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Division of Molecular Biology & Human Genetics

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?Anxiety disorders

 

Neuropsychiatric Genetics Group Publications 

Rust, C, Malan-Muller, S, van den Heuvel, LL, Tonge, D, Seedat, S, Pretorius, E, Hemmings, SMJ (2023). Platelets bridging the gap between gut dysbiosis and neuroinflammation in stress-linked disorders: A narrative review. Journal of Neuroimmunology, 382, 578155. https://doi.org/10.1016/j.jneuroim.2023.578155

Swart, PC, Du Plessis, M, Rust, C, Womersley, JS, van den Heuvel, LL, Seedat, S, Hemmings, SMJ (2023). Identifying genetic loci that are associated with changes in gene expression in PTSD in a South African cohort. Journal of Neurochemistry. https://doi.org/10.1111/jnc.15919

O'Hare MA, van Rooyen K, Swart PC, Hemmings SMJ. Get the scoop on mental health and poop! Academy of Science of South Africa (ASSAf) (2022) Quest: Science for South Africa, 18(4). Available at: http://hdl.handle.net/20.500.11911/263

Womersley JS, Roeh S, Martin L, Ahmed-Leitao F, Sauer S, Rex-Haffner M, Hemmings SMJ, Binder EB, Seedat S. FKBP5 intron 7 methylation is associated with higher anxiety proneness and smaller right thalamus volume in adolescents. Brain Struct Funct. 2022 Nov;227(8):2809-2820. doi: 10.1007/s00429-022-02577-9. Epub 2022 Oct 5. PMID: 36197505.?

Ryklief Z, Suliman S, Hemmings SMJ, van den Heuvel LL, Seedat S. Rates of and factors associated with atopy and allergies in posttraumatic stress disorder as compared to controls (2022). J Psychosom Res. Jul;158:110938. doi: 10.1016/j.jpsychores.2022.110938. Epub 2022 May 11. PMID: 35580455

N?thling J, Abrahams N, Jewkes R, Mhlongo S, Lombard C, Hemmings SMJ, Seedat S. Risk and protective factors affecting the symptom trajectory of posttraumatic stress disorder post-rape. J Affect Disord. (2022) Jul 15;309:151-164. doi: 10.1016/j.jad.2022.04.032. Epub 2022 Apr 13. PMID: 35427719

Hemmings, S.M.J., Swart, P., Womersely, J.S., Ovenden, E.S., van den Heuvel, L.L., McGregor, N.W., Meier, S., Bardien, S., Abrahams, S., Tromp, G., Emsley, R., Carr, J., Seedat, S. RNA-seq analysis of gene expression profiles in posttraumatic stress disorder, Parkinson's disease and schizophrenia identifies roles for common and distinct biological pathways (2022) Discover Mental Health, published online 03/03/2022 https://rdcu.be/cIbR5 

Roomaney, A.A., Womersley, J.S., Swart, P.C., Spies, G., Seedat, S., Hemmings, S.M.J. Childhood trauma and genetic variation in the DAT 40-bp VNTR contribute to HIV-associated neurocognitive disorders (2022) IBRO Neuroscience Reports, 12, pp. 45-54. DOI: 10.1016/j.ibneur.2021.12.003 

Malan-Muller, S., Valles-Colomer, M., Foxx, C.L., Vieira-Silva, S., van den Heuvel, L.L., Raes, J., Seedat, S., Lowry, C.A., Hemmings, S.M.J. Exploring the relationship between the gut microbiome and mental health outcomes in a posttraumatic stress disorder cohort relative to trauma-exposed controls (2022) European Neuropsychopharmacology, 56, pp. 24-38.  DOI: 10.1016/j.euroneuro.2021.11.009 

N?thling, J., Abrahams, N., Toikumo, S., Suderman, M., Mhlongo, S., Lombard, C., Seedat, S., Hemmings, S.M.J. Genome-wide differentially methylated genes associated with posttraumatic stress disorder and longitudinal change in methylation in rape survivors (2021) Translational Psychiatry, 2021 Nov 19;11(1):594. DOI: 10.1038/s41398-021-01608-z 

Muniz Carvalho, C., Wendt, F.R., Pathak, G.A., Maihofer, A.X., Stein, D.J., Sumner, J.A., Hemmings, S.M.J., Nievergelt, C.M., Koenen, K.C., Gelernter, J., Belangero, S.I., Polimanti, R. Disentangling sex differences in the shared genetic architecture of posttraumatic stress disorder, traumatic experiences, and social support with body size and composition (2021) Neurobiology of Stress, 2021 May;46(6):1071-1077. DOI: 10.1016/j.ynstr.2021.100400 

Womersley, J.S., Spies, G., Tromp, G., Seedat, S., Hemmings, S.M.J. Longitudinal telomere length profile does not reflect HIV and childhood trauma impacts on cognitive function in South African women (2021) Journal of NeuroVirology, 27 (5), pp. 735-749. Cited 1 time. DOI: 10.1007/s13365-021-01009-4 

Sumner, J.A., Maihofer, A.X., Michopoulos, V., Rothbaum, A.O., Almli, L.M., Andreassen, O.A., Ashley-Koch, A.E., Baker, D.G., Beckham, J.C., Bradley, B., Breen, G., Coleman, J.R.I., Dale, A.M., Dennis, M.F., Feeny, N.C., Franz, C.E., Garrett, M.E., Gillespie, C.F., Guffanti, G., Hauser, M.A., Hemmings, S.M.J., Jovanovic, T., Kimbrel, N.A., Kremen, W.S., Lawford, B.R., Logue, M.W., Lori, A., Lyons, M.J., Maples-Keller, J., Mavissakalian, M.R., McGlinchey, R.E., Mehta, D., Mellor, R., Milberg, W., Miller, M.W., Morris, C.P., Panizzon, M.S., Ressler, K.J., Risbrough, V.B., Rothbaum, B.O., Roy-Byrne, P., Seedat, S., Smith, A.K., Stevens, J.S., van den Heuvel, L.L., Voisey, J., Young, R.M., Zoellner, L.A., Nievergelt, C.M., Wolf, E.J. Examining Individual and Synergistic Contributions of PTSD and Genetics to Blood Pressure: A Trans-Ethnic Meta-Analysis (2021) Frontiers in Neuroscience, 2021 Jun 23;15:678503. DOI: 10.3389/fnins.2021.678503 

Swart, P.C., van den Heuvel, L.L., Lewis, C.M., Seedat, S., Hemmings, S.M.J. A Genome-Wide Association Study and Polygenic Risk Score Analysis of Posttraumatic Stress Disorder and Metabolic Syndrome in a South African Population (2021) Frontiers in Neuroscience, Jun 10;15:677800 DOI: 10.3389/fnins.2021.677800 

Kalungi, A., Womersley, J.S., Kinyanda, E., Joloba, M.L., Ssembajjwe, W., Nsubuga, R.N., Seedat, S., Hemmings, S.M.J. The 5-HTTLPR-rs25531 S-A-S-A Haplotype and Chronic Stress Moderate the Association Between Acute Stress and Internalizing Mental Disorders Among HIV+ Children and Adolescents in Uganda (2021) Frontiers in Genetics, 12, Cited 1 time. DOI: 10.3389/fgene.2021.649055

Maihofer, A.X., Choi, K.W., Coleman, J.R.I., Daskalakis, N.P., Denckla, C.A., Ketema, E., Morey, R.A., Polimanti, R., Ratanatharathorn, A., Torres, K., Wingo, A.P., Zai, C.C., Aiello, A.E., Almli, L.M., Amstadter, A.B., Andersen, S.B., Andreassen, O.A., Arbisi, P.A., Ashley-Koch, A.E., Austin, S.B., Avdibegovi?, E., Borglum, A.D., Babi?, D., B?kvad-Hansen, M., Baker, D.G., Beckham, J.C., Bierut, L.J., Bisson, J.I., Boks, M.P., Bolger, E.A., Bradley, B., Brashear, M., Breen, G., Bryant, R.A., Bustamante, A.C., Bybjerg-Grauholm, J., Calabrese, J.R., Caldas-de-Almeida, J.M., Chen, C.-Y., Dale, A.M., Dalvie, S., Deckert, J., Delahanty, D.L., Dennis, M.F., Disner, S.G., Domschke, K., Duncan, L.E., D?ubur Kulenovi?, A., Erbes, C.R., Evans, A., Farrer, L.A., Feeny, N.C., Flory, J.D., Forbes, D., Franz, C.E., Galea, S., Garrett, M.E., Gautam, A., Gelaye, B., Gelernter, J., Geuze, E., Gillespie, C.F., Go?i, A., Gordon, S.D., Guffanti, G., Hammamieh, R., Hauser, M.A., Heath, A.C., Hemmings, S.M.J., Hougaard, D.M., Jakovljevi?, M., Jett, M., Johnson, E.O., Jones, I., Jovanovic, T., Qin, X.-J., Karstoft, K.-I., Kaufman, M.L., Kessler, R.C., Khan, A., Kimbrel, N.A., King, A.P., Koen, N., Kranzler, H.R., Kremen, W.S., Lawford, B.R., Lebois, L.A.M., Lewis, C., Liberzon, I., Linnstaedt, S.D., Logue, M.W., Lori, A., Lugonja, B., Luykx, J.J., Lyons, M.J., Maples-Keller, J.L., Marmar, C., Martin, N.G., Maurer, D., Mavissakalian, M.R., McFarlane, A., McGlinchey, R.E., McLaughlin, K.A., McLean, S.A., Mehta, D., Mellor, R., Michopoulos, V., Milberg, W., Miller, M.W., Morris, C.P., Mors, O., Mortensen, P.B., Nelson, E.C., Nordentoft, M., Norman, S.B., O'Donnell, M., Orcutt, H.K., Panizzon, M.S., Peters, E.S., Peterson, A.L., Peverill, M., Pietrzak, R.H., Polusny, M.A., Rice, J.P., Risbrough, V.B., Roberts, A.L., Rothbaum, A.O., Rothbaum, B.O., Roy-Byrne, P., Ruggiero, K.J., Rung, A., Rutten, B.P.F., Saccone, N.L., Sanchez, S.E., Schijven, D., Seedat, S., Seligowski, A.V., Seng, J.S., Sheerin, C.M., Silove, D., Smith, A.K., Smoller, J.W., Sponheim, S.R., Stein, D.J., Stevens, J.S., Teicher, M.H., Thompson, W.K., Trapido, E., Uddin, M., Ursano, R.J., van den Heuvel, L.L., Van Hooff, M., Vermetten, E., Vinkers, C., Voisey, J., Wang, Y., Wang, Z., Werge, T., Williams, M.A., Williamson, D.E., Winternitz, S., Wolf, C., Wolf, E.J., Yehuda, R., Young, K.A., Young, R.M., Zhao, H., Zoellner, L.A., Haas, M., Lasseter, H., Provost, A.C., Salem, R.M., Sebat, J., Shaffer, R.A., Wu, T., Ripke, S., Daly, M.J., Ressler, K.J., Koenen, K.C., Stein, M.B., Nievergelt, C.M. Enhancing Discovery of Genetic Variants for Posttraumatic Stress Disorder Through Integration of Quantitative Phenotypes and Trauma Exposure Information (2021) Biological Psychiatry, Sep 28:S0006-3223(21)01632-2 . Cited 1 time. DOI: 10.1016/j.biopsych.2021.09.020?

 Xulu, K.R., Womersley, J.S., Sommer, J., Hinsberger, M., Elbert, T., Weierstall, R., Kaminer, D., Malan-Müller, S., Seedat, S., Hemmings, S.M.J. DNA methylation and psychotherapy response in trauma-exposed men with appetitive aggression (2021) Psychiatry Research, 295, Cited 1 time. DOI: 10.1016/j.psychres.2020.113608 

Spies, G., Mokaya, J., Steadman, J., Schuitmaker, N., Kidd, M., Hemmings, S.M.J., Carr, J.A., Kuivaniemi, H., Seedat, S. Attitudes among South African university staff and students towards disclosing secondary genetic findings (2021) Journal of Community Genetics, 12 (1), pp. 171-184. Cited 1 time. DOI: 10.1007/s12687-020-00494-0

Smith, A.K., Ratanatharathorn, A., Maihofer, A.X., Naviaux, R.K., Aiello, A.E., Amstadter, A.B., Ashley-Koch, A.E., Baker, D.G., Beckham, J.C., Boks, M.P., Bromet, E., Dennis, M., Galea, S., Garrett, M.E., Geuze, E., Guffanti, G., Hauser, M.A., Katrinli, S., Kilaru, V., Kessler, R.C., Kimbrel, N.A., Koenen, K.C., Kuan, P.-F., Li, K., Logue, M.W., Lori, A., Luft, B.J., Miller, M.W., Naviaux, J.C., Nugent, N.R., Qin, X., Ressler, K.J., Risbrough, V.B., Rutten, B.P.F., Stein, M.B., Ursano, R.J., Vermetten, E., Vinkers, C.H., Wang, L., Youssef, N.A., Marx, C., Grant, G., Stein, M., Qin, X.-J., Jain, S., McAllister, T.W., Zafonte, R., Lang, A., Coimbra, R., Andaluz, N., Shutter, L., George, M.S., Brancu, M., Calhoun, P.S., Dedert, E., Elbogen, E.B., Fairbank, J.A., Hurley, R.A., Kilts, J.D., Kirby, A., Marx, C.E., McDonald, S.D., Moore, S.D., Morey, R.A., Naylor, J.C., Rowland, J.A., Swinkels, C., Szabo, S.T., Taber, K.H., Tupler, L.A., Van Voorhees, E.E., Yoash-Gantz, R.E., Basu, A., Brick, L.A., Dalvie, S., Daskalakis, N.P., Ensink, J.B.M., Hemmings, S.M.J., Herringa, R., Ikiyo, S., Koen, N., Kuan, P.F., Montalvo-Ortiz, J., Nispeling, D., Pfeiffer, J., Qin, X.J., Ressler, K.J., Schijven, D., Seedat, S., Shinozaki, G., Sumner, J.A., Swart, P., Tyrka, A., Van Zuiden, M., Wani, A., Wolf, E.J., Zannas, A., Uddin, M., Nievergelt, C.M. Epigenome-wide meta-analysis of PTSD across 10 military and civilian cohorts identifies methylation changes in AHRR (2020) Nature Communications, 11 (1), art. no. 5965, . Cited 13 times. DOI: 10.1038/s41467-020-19615-x

Womersley, J.S., Hemmings, S.M.J., Ziegler, C., Gutridge, A., Ahmed-Leitao, F., Rosenstein, D., Domschke, K., Seedat, S. Childhood emotional neglect and oxytocin receptor variants: Association with limbic brain volumes (2020) World Journal of Biological Psychiatry, 21 (7), pp. 513-528. Cited 9 times. DOI: 10.1080/15622975.2019.1584331  

Muniz Carvalho C, Wendt FR, Maihofer AX, Stein DJ, Stein MB, Sumner JA, Hemmings SMJ, Nievergelt CM, Koenen KC, Gelernter J, Belangero SI, Polimanti R. Dissecting the genetic association of C-reactive protein with PTSD, traumatic events, and social support. Neuropsychopharmacology. 2020 Mar 16. doi: 10.1038/s41386-020-0655-6. PMID: 32179874

Malan-Müller S, de Souza VBC, Daniels WMU, Seedat S, Robinson MD, Hemmings SMJ. Shedding Light on the Transcriptomic Dark Matter in Biological Psychiatry: Role of Long Noncoding RNAs in D-cycloserine-Induced Fear Extinction in Posttraumatic Stress Disorder. OMICS. 2020 Jun;24(6):352-369. doi: 10.1089/omi.2020.0031. Epub 2020 May 21. PMID: 32453623.

Lind MJ, Brick LA, Gehrman PR, Duncan LE, Gelaye B, Maihofer AX, Nievergelt CM, Nugent NR, Stein MB, Amstadter AB; Psychiatric Genomics Consortium Posttraumatic Stress Disorder. Molecular genetic overlap between posttraumatic stress disorder and sleep phenotypes. Sleep. 2020 Apr 15;43(4):zsz257. doi:
10.1093/sleep/zsz257. PMID: 31802129; PMCID: PMC7157187.

Womersley, J.S., Spies, G., Seedat, S., Hemmings, S.M.J. Childhood trauma interacts with ApoE to influence neurocognitive function in women living with HIV (2019) Journal of NeuroVirology, 25 (2), pp. 183-193. Cited 2 times. DOI: 10.1007/s13365-018-0700-y 

Scheepers IM, Cryan JF, Bastiaanssen TFS, Rea K, Clarke G, Jaspan HB, Harvey BH, Hemmings SMJ, Santana L, van der Sluis R, Malan-Müller S, Wolmarans W. Natural compulsive-like behaviour in the deer mouse (Peromyscus maniculatus bairdii) is associated with altered gut microbiota composition. Eur J Neurosci. 2020 Mar;51(6):1419-1427. doi: 10.1111/ejn.14610. Epub 2019 Nov 21. PMID: 31663195.

N?thling J, Malan-Müller S, Abrahams N, Hemmings SMJ, Seedat S. Epigenetic alterations associated with childhood trauma and adult mental health outcomes: A systematic review. World J Biol Psychiatry. 2020 Sep;21(7):493-512. doi: 10.1080/15622975.2019.1583369. Epub 2019 Apr 2. PMID: 30806160.

Womersley JS, Martin L, van der Merwe L, Seedat S, Hemmings SMJ. Genetic variation in neuropeptide Y interacts with childhood trauma to influence anxiety sensitivity.  Anxiety, Stress & Coping (accepted)

Slabbert I, Greene MC, Womersley JS, Olateju OI, Soboka M, Lemieux AM. Women and substance use disorders in low- and middle-income countries: a call for advancing research equity in prevention and treatment. Subst Abuse. 2020;41(1):6-10.

Kalungi A, Kinyanda E, Womersley JS, Joloba ML, Ssembajjwe W,  Namugabwe Nsubuga R,  Kaleebu P,   Levin J,  Kidd M,  Seedat S, Hemmings SMJ. TERT rs2736100 and TERC rs16847897 genotypes moderate the association between internalizing mental disorders and accelerated telomere length attrition among HIV+ children and adolescents in Uganda. BMC Medical Genetics (accepted)

Womersley, J.S., Clauss, L.B., Varathan, O., Engelbrecht, S., Hemmings, S.M.J., Seedat, S., Spies, G. The effect of childhood trauma, ApoE genotype and HIV-1 viral protein R variants on change in cognitive performance (2019) BMC Research Notes, 12 (1), Dec 27;12(1):828. DOI: 10.1186/s13104-019-4869-9

Scheepers IM, Cryan JF, Bastiaanssen TFS, Rea K, Clarke G, Jaspan HB, Harvey BH, Hemmings SMJ, Santana L, van der Sluis R, Malan-Müller S, Wolmarans W. Natural compulsive-like behaviour in the deer mouse (Peromyscus maniculatus bairdii) is associated with altered gut microbiota composition. Eur J Neurosci. 2019 Oct 29. doi: 10.1111/ejn.14610. PubMed PMID: 31663195.

Nievergelt CM, Maihofer AX, Klengel T, Atkinson EG, Chen CY, Choi KW, Coleman JRI, Dalvie S, Duncan LE, Gelernter J, Levey DF, Logue MW, Polimanti R, ProvostAC, Ratanatharathorn A, Stein MB, Torres K, Aiello AE, Almli LM, Amstadter AB,Andersen SB, Andreassen OA, Arbisi PA, Ashley-Koch AE, Austin SB, Avdibegovic E, Babi? D, B?kvad-Hansen M, Baker DG, Beckham JC, Bierut LJ, Bisson JI, Boks MP,Bolger EA, B?rglum AD, Bradley B, Brashear M, Breen G, Bryant RA, Bustamante AC, Bybjerg-Grauholm J, Calabrese JR, Caldas-de-Almeida JM, Dale AM, Daly MJ,Daskalakis NP, Deckert J, Delahanty DL, Dennis MF, Disner SG, Domschke K,Dzubur-Kulenovic A, Erbes CR, Evans A, Farrer LA, Feeny NC, Flory JD, Forbes D,Franz CE, Galea S, Garrett ME, Gelaye B, Geuze E, Gillespie C, Uka AG, Gordon SD,Guffanti G, Hammamieh R, Harnal S, Hauser MA, Heath AC, Hemmings SMJ, HougaardDM, Jakovljevic M, Jett M, Johnson EO, Jones I, Jovanovic T, Qin XJ, Junglen AG, Karstoft KI, Kaufman ML, Kessler RC, Khan A, Kimbrel NA, King AP, Koen N, Kranzler HR, Kremen WS, Lawford BR, Lebois LAM, Lewis CE, Linnstaedt SD, Lori A, Lugonja B, Luykx JJ, Lyons MJ, Maples-Keller J, Marmar C, Martin AR, Martin NG,Maurer D, Mavissakalian MR, McFarlane A, McGlinchey RE, McLaughlin KA, McLean SA,McLeay S, Mehta D, Milberg WP, Miller MW, Morey RA, Morris CP, Mors O, Mortensen PB, Neale BM, Nelson EC, Nordentoft M, Norman SB, O'Donnell M, Orcutt HK,Panizzon MS, Peters ES, Peterson AL, Peverill M, Pietrzak RH, Polusny MA, RiceJP, Ripke S, Risbrough VB, Roberts AL, Rothbaum AO, Rothbaum BO, Roy-Byrne P,Ruggiero K, Rung A, Rutten BPF, Saccone NL, Sanchez SE, Schijven D, Seedat S,Seligowski AV, Seng JS, Sheerin CM, Silove D, Smith AK, Smoller JW, Sponheim SR, Stein DJ, Stevens JS, Sumner JA, Teicher MH, Thompson WK, Trapido E, Uddin M,Ursano RJ, van den Heuvel LL, Van Hooff M, Vermetten E, Vinkers CH, Voisey J,Wang Y, Wang Z, Werge T, Williams MA, Williamson DE, Winternitz S, Wolf C, WolfEJ, Wolff JD, Yehuda R, Young RM, Young KA, Zhao H, Zoellner LA, Liberzon I,Ressler KJ, Haas M, Koenen KC. International meta-analysis of PTSD genome-wide association studies identifies sex- and ancestry-specific genetic risk loci. Nat Commun. 2019 Oct 8;10(1):4558. doi: 10.1038/s41467-019-12576-w. PubMed PMID:31594949; PubMed Central PMCID: PMC6783435.

Kalungi A, Womersley JS, Kinyanda E, Joloba ML, Ssembajjwe W, Nsubuga RN, Levin J, Kaleebu P, Kidd M, Seedat S, Hemmings SMJ. Internalizing Mental Disorders and Accelerated Cellular Aging Among Perinatally HIV-Infected Youth in Uganda. Front Genet. 2019 Aug 2;10:705. doi: 10.3389/fgene.2019.00705. eCollection 2019. PubMed PMID: 31428136; PubMed Central PMCID: PMC6688656.
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Awany D, Allali I, Dalvie S, Hemmings S, Mwaikono KS, Thomford NE, Gomez A, Mulder N, Chimusa ER. Host and Microbiome Genome-Wide Association Studies: Current State and Challenges. Front Genet. 2019 Jan 22;9:637. doi: 10.3389/fgene.2018.00637. eCollection 2018. Review.

Slabbert I, Greene MC, Womersley JS, Olateju OI, Soboka M, Lemieux AM. Women and substance use disorders in low- and middle-income countries: a call for advancing research equity in prevention and treatment. Subst Abuse (Accepted)

Peterson RE, Kuchenbaecker K, Walters RK, Chen CY, Popejoy AB, Periyasamy S, Lam M, Iyegbe C, Strawbridge RJ, Brick L, Carey CE, Martin AR, Meyers JL, Su J, Chen J, Edwards AC, Kalungi A, Koen N, Majara L, Schwarz E, Smoller JW, Stahl EA, Sullivan PF, Vassos E, Mowry B, Prieto ML, Cuellar-Barboza A, Bigdeli TB, Edenberg HJ, Huang H, Duncan LE. Genome-wide Association Studies in Ancestrally Diverse Populations: Opportunities, Methods, Pitfalls, and Recommendations. Cell.

Martin, L., Hemmings, S.M.J., Kidd, M., Seedat, S. No gene-by-environment interaction of BDNF Val66Met polymorphism and childhood maltreatment on anxiety sensitivity in a mixed race adolescent sample (2018) European Journal of Psychotraumatology, May 22;9(1):1472987. Cited 4 times. DOI: 10.1080/20008198.2018.1472987

Jacobs, S., Moxley, K., Womersley, J.S., Spies, G., Hemmings, S.M.J., Seedat, S.HPA-axis genes as potential risk variants for neurocognitive decline in trauma-exposed, HIV-positive females (2018) Neuropsychiatric Disease and Treatment, 14, pp. 2497-2504. Cited 3 times.DOI: 10.2147/NDT.S166992

Hemmings SMJ, Xulu K, Sommer J, Hinsberger M, Malan-Muller S, Tromp G, Elbert T, Weierstall R, Seedat S. Appetitive and reactive aggression are differentially associated with the STin2 genetic variant in the serotonin transporter gene. Sci Rep. 2018 Apr;8;6714. doi:10.1038/s41598-018-25066-8. 

McGregor NW, Dimatelis JJ, Van Zyl PJ, Hemmings SMJ, Kinnear C, Russell VA, Stein DJ, Lochner C. A translational approach to the genetics of anxiety disorders. Behav Brain Res. 2018 Apr;2;341:91-97. doi: 10.1016/j.bbr.2017.12.030.

Howells FM, Womersley JS. Progress in neuroscience in Africa: editorial. Metab Brain Dis. 2018 Apr;33(2):357-358. doi: 10.1007/s11011-018-0213-7.

Womersley JS, Martin LI, van der Merwe L, Seedat S, Hemmings SMJ. Hypothalamic-pituitary-adrenal axis variants and childhood trauma influence anxiety sensitivity in South African adolescents.Metab Brain Dis. 2018 Apr;33(2):601-613. doi: 10.1007/s11011-017-0138-6.

?Malan-Muller S, Valles-Colomer M, Raes J, Lowry CA, Seedat S, Hemmings SMJ. The Gut Microbiome and Mental Health: Implications for Anxiety- and Trauma-Related Disorders. OMICS. 2018 Feb;22(2):90-107. doi: 10.1089/omi.2017.0077. 

Venter R, Derendinger B, de Vos M, Pillay S, Dolby T, Simpson J, Kitchin N, Ruiters A, van Helden PD, Warren RM, Theron G. Mycobacterial genomic DNA from used Xpert MTB/RIF cartridges can be utilised for accurate second-line genotypic drug susceptibility testing and spoligotyping. Sci Rep. 2017 Nov 1;7(1):14854. doi: 10.1038/s41598-017-14385-x.

Womersley JS, Seedat S, Hemmings SMJ.Childhood maltreatment and HIV-associated neurocognitive disorders share similar pathophysiology: a potential sensitisation mechanism? (2017) Metabolic Brain Disease, 32 (5), pp. 1717-1733. Cited 7 times. DOI: 10.1007/s11011-017-0062-9 

Hemmings SMJ, Malan-Müller S, van den Heuvel LL, Demmitt BA, Stanislawski MA, Smith DG, Bohr AD, Stamper CE, Hyde ER, Morton JT, Marotz CA, Siebler PH, Braspenning M, Van Criekinge W, Hoisington AJ, Brenner LA, Postolache TT, McQueen MB, Krauter KS, Knight R, Seedat S, Lowry CA. The Microbiome in Posttraumatic Stress Disorder and Trauma-Exposed Controls: An Exploratory Study. Psychosom Med. 2017 Oct;79(8):936-946. doi: 10.1097/PSY.0000000000000512.

International Obsessive Compulsive Disorder Foundation Genetics Collaborative (IOCDF-GC) and OCD Collaborative Genetics Association Studies (OCGAS).Revealing the complex genetic architecture of obsessive-compulsive disorder using meta-analysis.Mol Psychiatry. 2017 Aug 1. doi: 10.1038/mp.2017.154.?

Malan-Müller S, Fairbairn L, Hart S, Daniels WMU, Jalali Sefid Dashti M, Kidd M, Seedat S, Gamieldien J, Hemmings SMJ.The role of microRNAs in the therapeutic action of D-cycloserine in a post-traumatic stress disorder animal model: an exploratory study.Psychiatr Genet. 2017 Aug;27(4):139-151. doi: 10.1097/YPG.0000000000000176.

Kalungi A, Seedat S, Hemmings SMJ, van der Merwe L, Joloba ML, Nanteza A, Nakassujja N, Birabwa H, Serwanga J, Kaleebu P, Kinyanda E. Association between serotonin transporter gene polymorphisms and increased suicidal risk among HIV positive patients in Uganda.BMC Genet. 2017 Jul 25;18(1):71. doi: 10.1186/s12863-017-0538-y. 

Swart PC, Currin CB, Russell VA, Dimatelis JJ. Early ethanol exposure and vinpocetine treatment alter learning- and memory-related proteins in the rat hippocampus and prefrontal cortex.J Neurosci Res. 2017 May;95(5):1204-1215. doi: 10.1002/jnr.23894. 

Sumner JA, Duncan LE, Wolf EJ, Amstadter AB, Baker DG, Beckham JC, Gelaye B, Hemmings S, Kimbrel NA, Logue MW, Michopoulos V, Mitchell KS, Nievergelt C, Rothbaum A, Seedat S, Shinozaki G, Vermetten E. Letter to the Editor: Posttraumatic stress disorder has genetic overlap with cardiometabolic traits. Psychol Med. 2017 Aug;47(11):2036-2039. doi: 10.1017/S0033291717000733. 

Dias S, Hemmings S, Muller C, Louw J, Pheiffer C. MicroRNA Expression Varies according to Glucose Tolerance, Measurement Platform, and Biological Source.Biomed Res Int. 2017;2017:1080157. doi: 10.1155/2017/1080157. Epub 2017 Apr 26. 

Zass LJ, Hart SA, Seedat S, Hemmings SM,Malan-Müller S. Neuroinflammatory genes associated with post-traumatic stress disorder: implications for comorbidity.Psychiatr Genet. 2017 Feb;27(1):1-16. doi: 10.1097/YPG.0000000000000143. 

Malan-Müller S, Hemmings SM.The Big Role of Small RNAs in Anxiety and Stress-Related Disorders.Vitam Horm. 2017;103:85-129. doi: 10.1016/bs.vh.2016.08.001. 

Brombacher TM, Nono JK, De Gouveia KS, Makena N, Darby M, Womersley J, Tamgue O, Brombacher F. IL-13-Mediated Regulation of Learning and Memory.J Immunol. 2017 Feb 15. pii: 1601546. doi: 10.4049/jimmunol.1601546. 

McGregor NW, Hemmings SM, Erdman L, Calmarza-Font I, Stein DJ, Lochner C. Modification of the association between early adversity and obsessive-compulsive disorder by polymorphisms in the MAOA, MAOB and COMT genes.Psychiatry Res. 2016 Dec 30;246:527-532. doi: 10.1016/j.psychres.2016.10.044. 

van den Heuvel L, Suliman S, Malan-Müller S, Hemmings S, Seedat S. Brain-derived neurotrophic factor Val66met polymorphism and plasma levels in road traffic accident survivors.Anxiety Stress Coping. 2016 Nov;29(6):616-29. doi:10.1080/10615806.2016.1163545. 

Lowry CA, Smith DG, Siebler PH, Schmidt D, Stamper CE, Hassell JE Jr, Yamashita PS, Fox JH, Reber SO, Brenner LA, Hoisington AJ, Postolache TT, Kinney KA, Marciani D, Hernandez M, Hemmings SM, Malan-Muller S, Wright KP, Knight R, Raison CL, Rook GA. The Microbiota, Immunoregulation, and Mental Health: Implications for Public Health.Curr Environ Health Rep. 2016 Sep;3(3):270-86. doi: 10.1007/s40572-016-0100-5. 

Suliman S, Anthonissen L, Carr J, du Plessis S, Emsley R, Hemmings SM, Lochner C, McGregor N, van den Heuvel L, Seedat S. Posttraumatic Stress Disorder, Overweight, and Obesity: A Systematic Review and Meta-analysis.Harv Rev Psychiatry. 2016 Jul-Aug;24(4):271-93. doi: 10.1097/HRP.0000000000000106. 

Womersley JS, Mpeta B, Dimatelis JJ, Kellaway LA, Stein DJ, Russell VA. Developmental stress elicits preference for methamphetamine in the spontaneously hypertensive rat model of attention-deficit/hyperactivity disorder. Behav Brain Funct. 2016 Jun 17;12(1):18. doi: 10.1186/s12993-016-0102-3. 

Lochner C, McGregor N, Hemmings S, Harvey BH, Breet E, Swanevelder S, Stein DJ. Symmetry symptoms in obsessive-compulsive disorder: clinical and genetic correlates.Rev Bras Psiquiatr. 2016 Mar;38(1):17-23. doi: 10.1590/1516-4446-2014-1619. 

Aas M, Blokland GA, Chawner SJ, Choi SW, Estrada J, Forsingdal A, Friedrich M,Ganesham S, Hall L, Haslinger D, Huckins L, Loken E, Malan-Müller S, Martin J, Misiewicz Z, Pagliaroli L, Pardi?as AF, Pisanu C, Quadri G, Santoro ML, Shaw AD, Ranlund S, Song J, Tesli M, Tropeano M, van der Voet M, Wolfe K, Cormack FK, DeLisi L. Summaries of plenary, symposia, and oral sessions at the XXII World Congress of Psychiatric Genetics, Copenhagen, Denmark, 12-16 October 2014.Psychiatr Genet. 2016 Feb;26(1):1-47. doi: 10.1097/YPG.0000000000000112. 

Malan-Müller S, Fairbairn L, Daniels WM, Dashti MJ, Oakeley EJ, Altorfer M, Kidd M, Seedat S, Gamieldien J, Hemmings SM.Molecular mechanisms of D-cycloserine in facilitating fear extinction: insights from RNAseq.Metab Brain Dis. 2016 Feb;31(1):135-56. doi: 10.1007/s11011-015-9727-4. 

McGregor NW, Lochner C, Stein DJ, Hemmings SM.Polymorphisms within the neuronal cadherin (CDH2) gene are associated with obsessive-compulsive disorder (OCD) in a South African cohort.Metab Brain Dis. 2016 Feb;31(1):191-6. doi: 10.1007/s11011-015-9693-x. 

Malan-Müller S, Kilian S, van den Heuvel LL, Bardien S, Asmal L, Warnich L, Emsley RA, Hemmings SM, Seedat S. A systematic review of genetic variants associated with metabolic syndrome in patients with schizophrenia.Schizophr Res. 2016 Jan;170(1):1-17. doi: 10.1016/j.schres.2015.11.011. 

Khumalo NP, Shaboodien G, Hemmings SM, Moolman-Smook JC, Stein DJ. Pathologic grooming (acne excoriee, trichotillomania, and nail biting) in 4 generations of a single family.JAAD Case Rep. 2016 Jan 30;2(1):51-3. doi: 10.1016/j.jdcr.2015.11.002. 

Hemmings SM, Martin LI, van der Merwe L, Benecke R, Domschke K, Seedat S. Serotonin transporter variants play a role in anxiety sensitivity in South African adolescents.World J Biol Psychiatry. 2016;17(1):66-75. doi: 10.3109/15622975.2015.1102324. 

Mirimin L, Kitchin N, Impson DN, Clark PF, Richard J, Daniels SR, Roodt-Wilding R. Genetic and Morphological Characterization of Freshwater Shrimps (Caridina africana Kingsley, 1882) Reveals the Presence of Alien Shrimps in the Cape Floristic Region, South Africa.J Hered. 2015 Nov-Dec;106(6):711-8. doi: 10.1093/jhered/esv063. Epub 2015 Aug 21. 

Womersley JS, Uys JD. S-Glutathionylation and Redox Protein Signaling in Drug Addiction. Prog Mol Biol Transl Sci. 2016;137:87-121. doi: 10.1016/bs.pmbts.2015.10.001. 

Womersley JS, Kellaway LA, Stein DJ, Gerhardt GA, Russell VA. Effect of cocaine on striatal dopamine clearance in a rat model of developmental stress and attention-deficit/hyperactivity disorder.Stress. 2016;19(1):78-82. doi:10.3109/10253890.2015.1096925. 

Gerhardt GA, Miller EM, Womersley J. Tribute to: Dr. Vivienne Russell, Ph.D. on Attention-Deficit/Hyperactivity Disorder (ADHD).J Neurosci Methods. 2015 Aug 30;252:1. doi: 10.1016/j.jneumeth.2015.05.007. 

Womersley JS, Dimatelis JJ, Russell VA. Proteomic analysis of maternal separation-induced striatal changes in a rat model of ADHD: The spontaneously hypertensive rat.J Neurosci Methods. 2015 Aug 30;252:64-74. doi:10.1016/j.jneumeth.2015.01.031. 

Dimatelis JJ, Hsieh JH, Sterley TL, Marais L, Womersley JS, Vlok M, Russell VA. Impaired Energy Metabolism and Disturbed Dopamine and Glutamate Signalling in the Striatum and Prefrontal Cortex of the Spontaneously Hypertensive Rat Model of Attention-Deficit Hyperactivity Disorder.J Mol Neurosci. 2015 Jul;56(3):696-707. doi: 10.1007/s12031-015-0491-z. 

Yu D, Mathews CA, Scharf JM, Neale BM, Davis LK, Gamazon ER, Derks EM, Evans P, Edlund CK, Crane J, Fagerness JA, Osiecki L, Gallagher P, Gerber G, Haddad S, Illmann C, McGrath LM, Mayerfeld C, Arepalli S, Barlassina C, Barr CL, Bellodi L, Benarroch F, Berrió GB, Bienvenu OJ, Black DW, Bloch MH, Brentani H, Bruun RD, Budman CL, Camarena B, Campbell DD, Cappi C, Silgado JC, Cavallini MC, Chavira DA, Chouinard S, Cook EH, Cookson MR, Coric V, Cullen B, Cusi D, Delorme R, Denys D, Dion Y, Eapen V, Egberts K, Falkai P, Fernandez T, Fournier E, Garrido H, Geller D, Gilbert DL, Girard SL, Grabe HJ, Grados MA, Greenberg BD, Gross-Tsur V, Grünblatt E, Hardy J, Heiman GA, Hemmings SM, Herrera LD, Hezel DM, Hoekstra PJ, Jankovic J, Kennedy JL, King RA, Konkashbaev AI, Kremeyer B, Kurlan R, Lanzagorta N, Leboyer M, Leckman JF, Lennertz L, Liu C, Lochner C, Lowe TL, Lupoli S, Macciardi F, Maier W, Manunta P, Marconi M, McCracken JT, Mesa Restrepo SC, Moessner R, Moorjani P, Morgan J, Muller H, Murphy DL, Naarden AL, Nurmi E, Ochoa WC, Ophoff RA, Pakstis AJ, Pato MT, Pato CN, Piacentini J, Pittenger C, Pollak Y, Rauch SL, Renner T, Reus VI, Richter MA, Riddle MA, Robertson MM, Romero R, Rosário MC, Rosenberg D, Ruhrmann S, Sabatti C, Salvi E, Sampaio AS, Samuels J, Sandor P, Service SK, Sheppard B, Singer HS, Smit JH, Stein DJ, Strengman E, Tischfield JA, Turiel M, Valencia Duarte AV, Vallada H, Veenstra-VanderWeele J, Walitza S, Wang Y, Weale M, Weiss R, Wendland JR, Westenberg HG, Shugart YY, Hounie AG, Miguel EC, Nicolini H, Wagner M, Ruiz-Linares A, Cath DC, McMahon W, Posthuma D, Oostra BA, Nestadt G, Rouleau GA, Purcell S, Jenike MA, Heutink P, Hanna GL, Conti DV, Arnold PD, Freimer NB, Stewart SE, Knowles JA, Cox NJ, Pauls DL. Cross-disorder genome-wide analyses suggest a complex genetic relationship between Tourette's syndrome and OCD.Am J Psychiatry. 2015 Jan;172(1):82-93. doi:  10.1176/appi.ajp.2014.13101306. 

McGrath LM, Yu D, Marshall C, Davis LK, Thiruvahindrapuram B, Li B, Cappi C, Gerber G, Wolf A, Schroeder FA, Osiecki L, O'Dushlaine C, Kirby A, Illmann C, Haddad S, Gallagher P, Fagerness JA, Barr CL, Bellodi L, Benarroch F, Bienvenu OJ, Black DW, Bloch MH, Bruun RD, Budman CL, Camarena B, Cath DC, Cavallini MC, Chouinard S, Coric V, Cullen B, Delorme R, Denys D, Derks EM, Dion Y, Rosário MC, Eapen V, Evans P, Falkai P, Fernandez TV, Garrido H, Geller D, Grabe HJ, Grados MA, Greenberg BD, Gross-Tsur V, Grünblatt E, Heiman GA, Hemmings SM, Herrera LD, Hounie AG, Jankovic J, Kennedy JL, King RA, Kurlan R, Lanzagorta N, Leboyer M, Leckman JF, Lennertz L, Lochner C, Lowe TL, Lyon GJ, Macciardi F, Maier W, McCracken JT, McMahon W, Murphy DL, Naarden AL, Neale BM, Nurmi E, Pakstis AJ, Pato MT, Pato CN, Piacentini J, Pittenger C, Pollak Y, Reus VI, Richter MA, Riddle M, Robertson MM, Rosenberg D, Rouleau GA, Ruhrmann S, Sampaio AS, Samuels J, Sandor P, Sheppard B, Singer HS, Smit JH, Stein DJ, Tischfield JA, Vallada H, Veenstra-VanderWeele J, Walitza S, Wang Y, Wendland JR, Shugart YY, Miguel EC, Nicolini H, Oostra BA, Moessner R, Wagner M, Ruiz-Linares A, Heutink P, Nestadt G, Freimer N, Petryshen T, Posthuma D, Jenike MA, Cox NJ, Hanna GL, Brentani H, Scherer SW, Arnold PD, Stewart SE, Mathews CA, Knowles JA, Cook EH, Pauls DL, Wang K, Scharf JM. Copy number variation in obsessive-compulsive disorder and tourette syndrome: a cross-disorder study.J Am Acad Child Adolesc Psychiatry. 2014 Aug;53(8):910-9. doi: 10.1016/j.jaac.2014.04.022. 

Malan-Müller S, Seedat S, Hemmings SM. Understanding posttraumatic stress disorder: insights from the methylome.Genes Brain Behav. 2014 Jan;13(1):52-68. doi: 10.1111/gbb.12102. 

Hemmings SM, Lochner C, van der Merwe L, Cath DC, Seedat S, Stein DJ. BDNF Val66Met modifies the risk of childhood trauma on obsessive-compulsive disorder. J Psychiatr Res. 2013 Dec;47(12):1857-63. doi: 10.1016/j.jpsychires.2013.08.012. 

Davis LK, Yu D, Keenan CL, Gamazon ER, Konkashbaev AI, Derks EM, Neale BM, Yang J, Lee SH, Evans P, Barr CL, Bellodi L, Benarroch F, Berrio GB, Bienvenu OJ, Bloch MH, Blom RM, Bruun RD, Budman CL, Camarena B, Campbell D, Cappi C, Cardona Silgado JC, Cath DC, Cavallini MC, Chavira DA, Chouinard S, Conti DV, Cook EH, Coric V, Cullen BA, Deforce D, Delorme R, Dion Y, Edlund CK, Egberts K, Falkai P, Fernandez TV, Gallagher PJ, Garrido H, Geller D, Girard SL, Grabe HJ, Grados MA, Greenberg BD, Gross-Tsur V, Haddad S, Heiman GA, Hemmings SM, Hounie AG, Illmann C, Jankovic J, Jenike MA, Kennedy JL, King RA, Kremeyer B, Kurlan R, Lanzagorta N, Leboyer M, Leckman JF, Lennertz L, Liu C, Lochner C, Lowe TL, Macciardi F, McCracken JT, McGrath LM, Mesa Restrepo SC, Moessner R, Morgan J, Muller H, Murphy DL, Naarden AL, Ochoa WC, Ophoff RA, Osiecki L, Pakstis AJ, Pato MT, Pato  CN, Piacentini J, Pittenger C, Pollak Y, Rauch SL, Renner TJ, Reus VI, Richter MA, Riddle MA, Robertson MM, Romero R, Rosàrio MC, Rosenberg D, Rouleau GA, Ruhrmann S, Ruiz-Linares A, Sampaio AS, Samuels J, Sandor P, Sheppard B, Singer HS, Smit JH, Stein DJ, Strengman E, Tischfield JA, Valencia Duarte AV, Vallada H, Van Nieuwerburgh F, Veenstra-Vanderweele J, Walitza S, Wang Y, Wendland JR, Westenberg HG, Shugart YY, Miguel EC, McMahon W, Wagner M, Nicolini H, Posthuma D, Hanna GL, Heutink P, Denys D, Arnold PD, Oostra BA, Nestadt G, Freimer NB, Pauls DL, Wray NR, Stewart SE, Mathews CA, Knowles JA, Cox NJ, Scharf JM. Partitioning the heritability of Tourette syndrome and obsessive compulsive disorder reveals differences in genetic architecture.PLoS Genet. 2013 Oct;9(10):e1003864. doi: 10.1371/journal.pgen.1003864. 

Malan-Müller S, Hemmings SM, Spies G, Kidd M, Fennema-Notestine C, Seedat S. Shorter telomere length - A potential susceptibility factor for HIV-associated neurocognitive impairments in South African women.PLoS One. 2013;8(3):e58351. doi:  10.1371/journal.pone.0058351. 

Suliman S, Hemmings SM, Seedat S. Brain-Derived Neurotrophic Factor (BDNF) protein levels in anxiety disorders: systematic review and meta-regression analysis.Front Integr Neurosci. 2013 Jul 29;7:55. doi: 10.3389/fnint.2013.00055. 

Stewart SE, Yu D, Scharf JM, Neale BM, Fagerness JA, Mathews CA, Arnold PD, Evans PD, Gamazon ER, Davis LK, Osiecki L, McGrath L, Haddad S, Crane J, Hezel D, Illman C, Mayerfeld C, Konkashbaev A, Liu C, Pluzhnikov A, Tikhomirov A, Edlund CK, Rauch SL, Moessner R, Falkai P, Maier W, Ruhrmann S, Grabe HJ, Lennertz L, Wagner M, Bellodi L, Cavallini MC, Richter MA, Cook EH Jr, Kennedy JL, Rosenberg D, Stein DJ, Hemmings SM, Lochner C, Azzam A, Chavira DA, Fournier E, Garrido H, Sheppard B, Uma?a P, Murphy DL, Wendland JR, Veenstra-VanderWeele J, Denys D, Blom R, Deforce D, Van Nieuwerburgh F, Westenberg HG, Walitza S, Egberts K, Renner T, Miguel EC, Cappi C, Hounie AG, Concei??o do Rosário M, Sampaio AS, Vallada H, Nicolini H, Lanzagorta N, Camarena B, Delorme R, Leboyer M, Pato CN, Pato MT, Voyiaziakis E, Heutink P, Cath DC, Posthuma D, Smit JH, Samuels J, Bienvenu OJ, Cullen B, Fyer AJ, Grados MA, Greenberg BD, McCracken JT, Riddle MA, Wang Y, Coric V, Leckman JF, Bloch M, Pittenger C, Eapen V, Black DW, Ophoff RA, Strengman E, Cusi D, Turiel M, Frau F, Macciardi F, Gibbs JR, Cookson MR, Singleton A; North American Brain Expression Consortium., Hardy J; UK Brain Expression Database., Crenshaw AT, Parkin MA, Mirel DB, Conti DV, Purcell S, Nestadt G, Hanna GL, Jenike MA, Knowles JA, Cox N, Pauls DL. Genome-wide association study of obsessive-compulsive disorder.Mol Psychiatry. 2013 Jul;18(7):788-98. doi: 10.1038/mp.2012.85. 

Malan-Müller S, Hemmings SM, Seedat S. Big effects of small RNAs: a review of microRNAs in anxiety. Mol Neurobiol. 2013 Apr;47(2):726-39. doi: 10.1007/s12035-012-8374-6. 

Hemmings SM, Martin LI, Klopper M, van der Merwe L, Aitken L, de Wit E, Black GF, Hoal EG, Walzl G, Seedat S. BDNF Val66Met and DRD2 Taq1A polymorphisms interact to influence PTSD symptom severity: a preliminary investigation in a South African population.Prog Neuropsychopharmacol Biol Psychiatry. 2013 Jan 10;40:273-80. doi: 10.1016/j.pnpbp.2012.10.011. 

Botha M, Grace L, Bugarith K, Russell VA, Kidd M, Seedat S, Hemmings SM. The impact of voluntary exercise on relative telomere length in a rat model of developmental stress.BMC Res Notes. 2012 Dec 27;5:697. doi: 10.1186/1756-0500-5-697. 

Warwick JM, Carey PD, Cassimjee N, Lochner C, Hemmings S, Moolman-Smook H, Beetge E, Dupont P, Stein DJ. Dopamine transporter binding in social anxiety disorder: the effect of treatment with escitalopram.Metab Brain Dis. 2012 Jun;27(2):151-8. doi: 10.1007/s11011-012-9280-3. 

Malan S, Hemmings S, Kidd M, Martin L, Seedat S. Investigation of telomere length and psychological stress in rape victims.Depress Anxiety. 2011 Dec 21;28(12):1081-5. doi: 10.1002/da.20903. 

Womersley JS, Hsieh JH, Kellaway LA, Gerhardt GA, Russell VA. Maternal separation affects dopamine transporter function in the spontaneously hypertensive rat: an in vivo electrochemical study.Behav Brain Funct. 2011 Dec 1;7:49. doi: 10.1186/1744-9081-7-49. 

Boardman L, van der Merwe L, Lochner C, Kinnear CJ, Seedat S, Stein DJ, Moolman-Smook JC, Hemmings SM. Investigating SAPAP3 variants in the etiology of obsessive-compulsive disorder and trichotillomania in the South African white population.Compr Psychiatry. 2011 Mar-Apr;52(2):181-7. doi: 10.1016/j.comppsych.2010.05.007. 

Lochner C, Serebro P, van der Merwe L, Hemmings S, Kinnear C, Seedat S, Stein DJ. Comorbid obsessive-compulsive personality disorder in obsessive-compulsive disorder (OCD): a marker of severity.Prog Neuropsychopharmacol Biol Psychiatry. 2011 Jun 1;35(4):1087-92. doi: 10.1016/j.pnpbp.2011.03.006.i 

Katerberg H, Lochner C, Cath DC, de Jonge P, Bochdanovits Z, Moolman-Smook JC, Hemmings SM, Carey PD, Stein DJ, Sondervan D, Boer JA, van Balkom AJ, Polman A, Heutink P. The role of the brain-derived neurotrophic factor (BDNF) val66met variant in the phenotypic expression of obsessive-compulsive disorder (OCD).Am J Med Genet B Neuropsychiatr Genet. 2009 Dec 5;150B(8):1050-62. doi: 10.1002/ajmg.b.30930. 

Lochner C, Hemmings SM, Kinnear CJ, Nel D, Hemmings SM, Seedat S, Moolman-Smook JC, Stein DJ. Cluster analysis of obsessive-compulsive symptomatology: identifying obsessive-compulsive disorder subtypes.Isr J Psychiatry Relat Sci. 2008;45(3):164-76. 

Lochner C, Seedat S, Hemmings SM, Moolman-Smook JC, Kidd M, Stein DJ. Investigating the possible effects of trauma experiences and 5-HTT on the dissociative experiences of patients with OCD using path analysis and multiple regression.Neuropsychobiology. 2007;56(1):6-13. 

Hemmings SM, Kinnear CJ, Van der Merwe L, Lochner C, Corfield VA, Moolman-Smook JC, Stein DJ. Investigating the role of the brain-derived neurotrophic factor (BDNF) val66met variant in obsessive-compulsive disorder (OCD).World J Biol Psychiatry. 2008;9(2):126-34. 

Stein DJ, Hemmings S, Moolman-Smook H, Audenaert K. 5-HT2A: its role in frontally mediated executive function and related psychopathology.CNS Spectr. 2007 Jul;12(7):512-6. 

Lochner C, Hemmings S, Seedat S, Kinnear C, Schoeman R, Annerbrink K, Olsson M, Eriksson E, Moolman-Smook J, Allgulander C, Stein DJ. Genetics and personality traits in patients with social anxiety disorder: a case-control study in South Africa.Eur Neuropsychopharmacol. 2007 Apr;17(5):321-7. 

Hemmings SM, Kinnear CJ, Lochner C, Seedat S, Corfield VA, Moolman-Smook JC, Stein DJ. Genetic correlates in trichotillomania--A case-control association study in the South African Caucasian population.Isr J Psychiatry Relat Sci. 2006;43(2):93-101. 

Hemmings SM, Stein DJ. The current status of association studies in obsessive-compulsive disorder.Psychiatr Clin North Am. 2006 Jun;29(2):411-44. 

Lochner C, Kinnear CJ, Hemmings SM, Seller C, Niehaus DJ, Knowles JA, Daniels W, Moolman-Smook JC, Seedat S, Stein DJ. Hoarding in obsessive-compulsive disorder: clinical and genetic correlates.J Clin Psychiatry. 2005 Sep;66(9):1155-60. 

Lochner C, Hemmings SM, Kinnear CJ, Niehaus DJ, Nel DG, Corfield VA, Moolman-Smook JC, Seedat S, Stein DJ. Cluster analysis of obsessive-compulsive spectrum disorders in patients with obsessive-compulsive disorder: clinical and genetic correlates.Compr Psychiatry. 2005 Jan-Feb;46(1):14-9. 

Hemmings SM, Kinnear CJ, Lochner C, Niehaus DJ, Knowles JA, Moolman-Smook JC,Corfield VA, Stein DJ. Early- versus late-onset obsessive-compulsive disorder: investigating genetic and clinical correlates.Psychiatry Res. 2004 Sep 30;128(2):175-82. 

Lochner C, Hemmings SM, Kinnear CJ, Moolman-Smook JC, Corfield VA, Knowles JA, Niehaus DJ, Stein DJ. Corrigendum to "gender in obsessive-compulsive disorder: clinical and genetic findings". Eur Neuropsychopharmacol. 2004 Oct;14(5):437-45. 

Lochner C, Seedat S, Hemmings SM, Kinnear CJ, Corfield VA, Niehaus DJ, Moolman-Smook JC, Stein DJ. Dissociative experiences in obsessive-compulsive disorder and trichotillomania: clinical and genetic findings.Compr Psychiatry. 2004 Sep-Oct;45(5):384-91. 

Hemmings SM, Kinnear CJ, Niehaus DJ, Moolman-Smook JC, Lochner C, Knowles JA, Corfield VA, Stein DJ. Investigating the role of dopaminergic and serotonergic candidate genes in obsessive-compulsive disorder.Eur Neuropsychopharmacol. 2003 Mar;13(2):93-8. ?