Related Experiment Video
Updated: May 15, 2026

14:40
Expression Analysis of Mammalian Linker-histone Subtypes
Published on: March 19, 2012
High HIF-1α expression genotypes in oral lichen planus
Carlos Alberto de Carvalho Fraga1, Lucas Rodrigues Alves, Luciano Marques-Silva
1Department of Dentistry, Universidade Estadual de Montes Claros, Montes Claros, Brazil.
Clinical Oral Investigations
|January 22, 2013
Summary
Specific gene variations in hypoxia-inducible factor-1 (HIF-1)α are linked to an increased risk of developing oral lichen planus (OLP). These HIF-1α polymorphisms may influence the progression and chronicity of OLP lesions.
Area of Science:
- Genetics and Molecular Biology
- Oral Pathology
- Immunology
Background:
- Oral lichen planus (OLP) is a chronic inflammatory condition affecting oral mucosa.
- The role of hypoxia-inducible factor-1 (HIF-1)α in OLP pathogenesis is not fully understood.
- Genetic variations in HIF-1α may influence susceptibility and disease progression.
Purpose of the Study:
- To investigate the association between C1772T and G1790A polymorphisms of the HIF-1α gene and the risk of OLP.
- To explore the potential role of HIF-1α in the development and chronicity of OLP.
Main Methods:
- Restriction fragment length polymorphism (RFLP) analysis was employed.
- Genotyping of HIF-1α C1772T and G1790A polymorphisms was performed.
- Case-control study involving 32 OLP patients and 88 healthy controls.
Main Results:
- The CC, TT, GA, and AA genotypes of HIF-1α were found at higher frequencies in OLP patients.
- Significant associations between OLP risk and C and A, as well as T and A haplotypes of HIF-1α were observed.
- Allelic imbalance patterns differed between normal samples and chronic OLP lesions.
Conclusions:
- C1772T and G1790A polymorphisms in the HIF-1α gene are associated with an increased risk of OLP.
- HIF-1α likely plays a role in the chronicity of oral mucosal lesions in OLP.
- Further research into the HIF-1α pathway is warranted for developing novel OLP therapeutic strategies.
Related Concept Videos
Non-LTR Retrotransposons
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
Pleiotropy
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...