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Genetically Inferred Telomere Length and Testicular Germ Cell Tumor Risk

Derek W Brown, Qing Lan, Nathaniel Rothman, John Pluta, Kristian Almstrup, Marlene D Dalgaard, Mark H Greene, Tom Grotmol, Chey Loveday, Stephen M Schwartz, Clare Turnbull, Fredrik Wiklund, Peter A Kanetsky, Katherine L Nathanson, Katherine A McGlynn, Mitchell J Machiela, Testicular Cancer Consortium

5 Citations (Scopus)

Abstract

BACKGROUND: Studies evaluating the association between peripheral blood leukocyte telomere length (LTL) and testicular germ cell tumor (TGCT) risk have produced conflicting results.

METHODS: Using available genotype data from the Testicular Cancer Consortium (TECAC), polygenic risk score and Mendelian randomization analyses of genetic variants previously associated with LTL were used to assess potential etiologic associations between telomere length and TGCT risk.

RESULTS: Genetically inferred telomere length was not associated with TGCT risk among 2,049 cases and 6,921 controls with individual-level genotype data (OR, 1.02; 95% confidence interval, 0.97-1.07). Mendelian randomization analyses using summary statistic data further indicated no evidence for an association between telomere length and TGCT risk among all available TECAC participants (3,558 cases and 13,971 controls).

CONCLUSIONS: Our analyses in the largest molecular genetic testicular cancer study to date provide no evidence for an association between genetically inferred peripheral blood LTL and TGCT risk.

IMPACT: The lack of evidence for an overall association indicates that peripheral blood LTL is likely not a strong biomarker for TGCT risk.

Original languageEnglish
JournalCancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
Volume30
Issue number6
Pages (from-to)1275-1278
Number of pages4
ISSN1055-9965
DOIs
Publication statusPublished - Jun 2021

Keywords

  • Case-Control Studies
  • Genetic Predisposition to Disease
  • Humans
  • Male
  • Mendelian Randomization Analysis
  • Neoplasms, Germ Cell and Embryonal/epidemiology
  • Risk Assessment/statistics & numerical data
  • Risk Factors
  • Telomere/metabolism
  • Telomere Homeostasis/genetics
  • Testicular Neoplasms/epidemiology

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