Abstract
Prior studies in predominantly European (Caucasian) populations have discovered common genetic variants (single nucleotide polymorphisms, SNPs) associated with leukocyte telomere length (LTL), but whether these same variants affect LTL in non-Caucasian populations are largely unknown. We investigated whether six genetic variants previously associated with LTL (TERC (rs10936599), TERT (rs2736100), NAF1 (7675998), OBFC1 (rs9420907), ZNF208 (rs8105767), and RTEL1 (rs755017)) are correlated with telomere length (TL) in peripheral blood mononuclear cells (PBMCs) in a cohort of Africans living with and without HIV and undergoing evaluation for tuberculosis (TB). We found OBFC1 and the genetic sum score of the effect alleles across all six loci to be associated with shorter TL (adjusted for age, gender, HIV status, and smoking pack-years (pā<ā0.02 for both OBFC1 and the genetic sum score). In an analysis stratified by HIV status, the genetic sum score is associated with LTL in both groups with and without HIV. On the contrary, a stratified analysis according to TB status revealed that in the TB-positive subgroup, the genetic sum score is not associated with LTL, whereas the relationship remains in the TB-negative subgroup. The different impacts of HIV and TB on the association between the genetic sum score and LTL indicate different modes of modification and suggest that the results found in this cohort with HIV and TB participants may not be applied to the African general population. Future studies need to carefully consider these confounding factors.
This is a preview of subscription content, access via your institution
Relevant articles
Open Access articles citing this article.
-
Telomere length and outcome of treatment for pulmonary tuberculosis in a gold mining community
Scientific Reports Open Access 17 February 2021
Access options
Subscribe to this journal
Receive 12 print issues and online access
$259.00 per year
only $21.58 per issue
Rent or buy this article
Get just this article for as long as you need it
$39.95
Prices may be subject to local taxes which are calculated during checkout

References
Pfeiffer V, Lingner J. Replication of telomeres and the regulation of telomerase. Cold Spring Harb Perspect Biol. 2013;5:a010405.
Blackburn EH. Telomeres and telomerase. Keio J Med. 2000;49:59ā65.
Blackburn EH. Telomeres and telomerase: their mechanisms of action and the effects of altering their functions. FEBS Lett. 2005;579:859ā62.
Sethi I, Bhat GR, Singh V, Kumar R, Bhanwer AJ, Bamezai RN, et al. Role of telomeres and associated maintenance genes in type 2 diabetes mellitus: a review. Diabetes Res Clin Pract. 2016;122:92ā100.
Maubaret CG, Salpea KD, Romanoski CE, Folkersen L, Cooper JA, Stephanou C, et al. Association of TERC and OBFC1 haplotypes with mean leukocyte telomere length and risk for coronary heart disease. PLoS ONE. 2013;8:e83122.
Cordoba-Lanus E, Cazorla-Rivero S, Espinoza-Jimenez A, de-Torres JP, Pajares MJ, Aguirre-Jaime A, et al. Telomere shortening and accelerated aging in COPD: findings from the BODE cohort. Respir Res. 2017;18:59.
Wolthers KC, Bea G, Wisman A, Otto SA, de Roda Husman AM, Schaft N, et al. T cell telomere length in HIV-1 infection: no evidence for increased CD4+ T cell turnover. Science. 1996;274:1543ā7.
Sokalski KM, Chu J, Mai AY, Qiu AQ, Albert AY, Zanet DL, et al. Endocrine abnormalities in HIV-infected women are associated with peak viral load - the children and women: antiretrovirals and markers of aging (CARMA) cohort. Clin Endocrinol. 2016;84:452ā62.
Haldane V, Legido-Quigley H, Chuah FLH, Sigfrid L, Murphy G, Ong SE, et al. Integrating cardiovascular diseases, hypertension, and diabetes with HIV services: a systematic review. AIDS Care. 2017;30:1ā13.
Presti RM, Flores SC, Palmer BE, Atkinson JJ, Lesko CR, Lau B, et al. Mechanisms underlying HIV associated non-infectious lung disease. Chest. 2017;152:1053ā60
Broer L, Codd V, Nyholt DR, Deelen J, Mangino M, Willemsen G, et al. Meta-analysis of telomere length in 19,713 subjects reveals high heritability, stronger maternal inheritance and a paternal age effect. Eur J Hum Genet. 2013;21:1163ā8.
Codd V, Nelson CP, Albrecht E, Mangino M, Deelen J, Buxton JL, et al. Identification of seven loci affecting mean telomere length and their association with disease. Nat Genet. 2013;45:422ā7, 27e1-2.
Ellehoj H, Bendix L, Osler M. Leucocyte telomere length and risk of cardiovascular disease in a cohort of 1,397 danish men and women. Cardiology. 2016;133:173ā7.
Machiela MJ, Hsiung CA, Shu XO, Seow WJ, Wang Z, Matsuo K, et al. Genetic variants associated with longer telomere length are associated with increased lung cancer risk among never-smoking women in Asia: a report from the female lung cancer consortium in Asia. Int J Cancer. 2015;137:311ā9.
Rode L, Bojesen SE, Weischer M, Vestbo J, Nordestgaard BG. Short telomere length, lung function and chronic obstructive pulmonary disease in 46,396 individuals. Thorax. 2013;68:429ā35.
Rode L, Nordestgaard BG, Bojesen SE. Peripheral blood leukocyte telomere length and mortality among 64,637 individuals from the general population. J Natl Cancer Inst. 2015;107:djv074.
Telomeres Mendelian Randomization C, Haycock PC, Burgess S, Nounu A, Zheng J, Okoli GN, et al. Association between telomere length and risk of cancer and non-neoplastic diseases: a mendelian randomization study. JAMA Oncol. 2017;3:636ā51.
Hansen ME, Hunt SC, Stone RC, Horvath K, Herbig U, Ranciaro A, et al. Shorter telomere length in Europeans than in Africans due to polygenetic adaptation. Hum Mol Genet. 2016;25:2324ā30.
Li CY, Yu Q, Ye ZQ, Sun Y, He Q, Li XM, et al. A nonsynonymous SNP in human cytosolic sialidase in a small Asian population results in reduced enzyme activity: potential link with severe adverse reactions to oseltamivir. Cell Res. 2007;17:357ā62.
Hamad R, Tuljapurkar S, Rehkopf DH. Racial and socioeconomic variation in genetic markers of telomere length: a cross-sectional study of U.S. older adults. EBioMedicine. 2016;11:296ā301.
Njajou OT, Blackburn EH, Pawlikowska L, Mangino M, Damcott CM, Kwok PY, et al. A common variant in the telomerase RNA component is associated with short telomere length. PLoS ONE. 2010;5:e13048.
Auld E, Lin J, Chang E, Byanyima P, Ayakaka I, Musisi E, et al. HIV infection is associated with shortened telomere length in ugandans with suspected tuberculosis. PLoS ONE. 2016;11:e0163153.
Lin J, Epel E, Cheon J, Kroenke C, Sinclair E, Bigos M, et al. Analyses and comparisons of telomerase activity and telomere length in human T and B cells: insights for epidemiology of telomere maintenance. J Immunol Methods. 2010;352:71ā80.
Cawthon RM. Telomere measurement by quantitative PCR. Nucleic Acids Res. 2002;30:e47.
Pathai S, Lawn SD, Gilbert CE, McGuinness D, McGlynn L, Weiss HA, et al. Accelerated biological ageing in HIV-infected individuals in South Africa: a case-control study. AIDS. 2013;27:2375ā84.
Zanet DL, Thorne A, Singer J, Maan EJ, Sattha B, Le Campion A, et al. Association between short leukocyte telomere length and HIV infection in a cohort study: no evidence of a relationship with antiretroviral therapy. Clin Infect Dis 2014;58:1322ā32.
Zhang C, Doherty JA, Burgess S, Hung RJ, Lindstrom S, Kraft P, et al. Genetic determinants of telomere length and risk of common cancers: a Mendelian randomization study. Hum Mol Genet. 2015;24:5356ā66.
Zhan Y, Hagg S. Telomere length shortening in Alzheimerās disease: procedures for a causal investigation using single nucleotide polymorphisms in a mendelian randomization study. Methods Mol Biol. 2018;1750:293ā306.
Luu HN, Long J, Wen W, Zheng Y, Cai Q, Gao YT, et al. Association between genetic risk score for telomere length and risk of breast cancer. Cancer Causes Control. 2016;27:1219ā28.
Iles MM, Bishop DT, Taylor JC, Hayward NK, Brossard M, Cust AE, et al. The effect on melanoma risk of genes previously associated with telomere length. J Natl Cancer Inst. 2014;106:dju267.
Effros RB, Allsopp R, Chiu CP, Hausner MA, Hirji K, Wang L, et al. Shortened telomeres in the expanded CD28-CD8+ cell subset in HIV disease implicate replicative senescence in HIV pathogenesis. AIDS. 1996;10:F17ā22.
Bestilny LJ, Gill MJ, Mody CH, Riabowol KT. Accelerated replicative senescence of the peripheral immune system induced by HIV infection. AIDS. 2000;14:771ā80.
Chan J, Mehta S, Bharrhan S, Chen Y, Achkar JM, Casadevall A, et al. The role of B cells and humoral immunity in Mycobacterium tuberculosis infection. Semin Immunol. 2014;26:588ā600.
Jasenosky LD, Scriba TJ, Hanekom WA, Goldfeld AE. T cells and adaptive immunity to mycobacterium tuberculosis in humans. Immunol Rev. 2015;264:74ā87.
Hodes RJ, Hathcock KS, Weng NP. Telomeres in T and B cells. Nat Rev Immunol. 2002;2:699ā706.
Shen Q, Zhang Z, Yu L, Cao L, Zhou D, Kan M, et al. Common variants near TERC are associated with leukocyte telomere length in the Chinese Han population. Eur J Hum Genet. 2011;19:721ā3.
Liu Y, Cao L, Li Z, Zhou D, Liu W, Shen Q, et al. A genome-wide association study identifies a locus on TERT for mean telomere length in Han Chinese. PLoS One. 2014;9:e85043.
Bojesen SE, Pooley KA, Johnatty SE, Beesley J, Michailidou K, Tyrer JP, et al. Multiple independent variants at the TERT locus are associated with telomere length and risks of breast and ovarian cancer. Nat Genet. 2013;45:371ā84. 84e1-2
Zeiger AM, White MJ, Eng C, Oh SS, Witonsky J, Goddard PC, et al. Genetic determinants of telomere length in African American youth. Sci Rep. 2018;8:13265.
Acknowledgements
This work was supported by the National Institutes of Health (grant numbers R01 HL128156, R01 HL090335, K24 HL087713, and D43 TW009607). The funding sources played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; and in the decision to submit the article for publication. We wish to acknowledge the participants of this study, the hospital staff at Mulago National Referral Hospital in Kampala, Uganda, and the following individuals: Alfred Andama, Catherine Nabakiibi, Sylvia Kaswabuli, Robert Ssebunya, Dr. Irene Ayakaka, Dr. Wallen Tumwine, Priscilla Bbosa, Yusef Magezi, Josephine Zawedde, Dr. Elizabeth Blackburn, Colin Huang, Serena Fong, Stephen Stone, Elizabeth Auld, Alisa Malki, Marlena Hartman-Filson, Maggie McGing, and Mathew Sommers.
Author information
Authors and Affiliations
Consortia
Corresponding author
Ethics declarations
Conflict of interest
JL is a co-founder and scientific advisor to Telomere Diagnostic Inc. The company played no role in this study. Other authors declare that they have no conflict of interest.
Additional information
Publisherās note: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Supplementary information
Rights and permissions
About this article
Cite this article
Wang, S., Chang, E., Byanyima, P. et al. Association between common telomere length genetic variants and telomere length in an African population and impacts of HIV and TB. J Hum Genet 64, 1033ā1040 (2019). https://doi.org/10.1038/s10038-019-0646-9
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1038/s10038-019-0646-9
This article is cited by
-
Telomere length and outcome of treatment for pulmonary tuberculosis in a gold mining community
Scientific Reports (2021)