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Related Concept Videos

The Retinoblastoma Gene01:20

The Retinoblastoma Gene

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Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
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Related Experiment Video

Updated: Jun 18, 2026

Cell Population Analyses During Skin Carcinogenesis
06:53

Cell Population Analyses During Skin Carcinogenesis

Published on: August 21, 2013

GLI1 genotypes do not predict basal cell carcinoma risk: a case control study.

Andrea Watson1, Paul Kent, Murad Alam

  • 11Department of Pediatrics, University of Minnesota - Duluth, Minnesota, USA. Awatson1@smdc.org

Molecular Cancer
|December 2, 2009
PubMed
Summary

Genetic variations in the GLI1 oncogene do not appear to increase basal cell carcinoma risk, even when considering sun exposure history. Further research is needed to understand BCC development fully.

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Area of Science:

  • Oncology
  • Dermatology
  • Genetics

Background:

  • Basal cell carcinoma (BCC) development involves interactions between UV radiation and genetic factors.
  • The GLI1 oncogene is implicated in tumor genesis.
  • Investigating GLI1 polymorphisms as potential risk factors for BCC is crucial.

Purpose of the Study:

  • To determine if GLI1 polymorphisms are risk factors for BCC.
  • To assess the combined effect of GLI1 genotypes and sun exposure patterns on BCC risk.
  • To evaluate functional differences among GLI1 haplotypes.

Main Methods:

  • Genotyping of GLI1 at c.2798 and c.3298 in 201 BCC patients and 201 controls.
  • Comparison of genotype and haplotype frequencies between cases and controls.
  • Analysis of interactions between GLI1 haplotypes and various sun exposure parameters.

Main Results:

  • No significant differences in GLI1 genotype or haplotype frequencies were observed between BCC patients and controls.
  • A potential, though not statistically significant, reduced odds of trunk BCC in carriers of the c.3298GC genotype compared to CC.
  • No evidence of interaction between GLI1 haplotypes and sun exposure patterns (skin type, sunburning, sunbathing, intermittency).
  • No significant differences in transcriptional activation or cell transforming ability among GLI1 haplotypes.

Conclusions:

  • GLI1 genotypes, individually or combined with sun exposure patterns, do not appear to influence basal cell carcinoma risk.
  • The studied GLI1 polymorphisms and haplotypes are unlikely to be major determinants of BCC susceptibility.