Related Experiment Video
Updated: Apr 14, 2026

07:02
Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus KSHV
Published on: September 14, 2010
13.2K
Mitochondrial haplogroups and control region polymorphisms in Kaposi's sarcoma patients
Somayeh Jalilvand1, Zabihollah Shoja2, Sayed Mahdi Marashi1
1Virology Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
Journal of Medical Virology
|April 17, 2015
Summary
Mitochondrial DNA (mtDNA) haplogroups, specifically the UK cluster, may protect against Kaposi
Area of Science:
- Mitochondrial genetics and cancer biology
- Immunology and infectious disease pathogenesis
Background:
- Inflammation and reactive oxygen species (ROS) are implicated in Kaposi's sarcoma (KS) development.
- Mitochondria, as primary ROS producers, are hypothesized to play a role in KS pathogenesis.
- Limited research exists on mitochondrial DNA (mtDNA) variations and haplogroups in KS.
Purpose of the Study:
- To investigate mtDNA variants and haplogroups in Iranian KS patients.
- To determine the association between mtDNA haplogroups and KS development.
Main Methods:
- Genotyping of mitochondrial DNA (mtDNA) was performed.
- Analysis included 45 Iranian KS patients and 48 age- and sex-matched Iranian controls.
Main Results:
- A significant positive correlation was found between the UK mtDNA haplogroup cluster and a reduced risk of KS.
- The UK cluster appears to be a protective factor against KS development in the studied population.
Conclusions:
- The UK mtDNA haplogroup, potentially a superhaplogroup UK, may confer protection against Kaposi's sarcoma.
- Reduced ATP and ROS production associated with this haplogroup might inhibit KSHV reactivation, a key step in KS pathogenesis.
Related Concept Videos
Non-LTR Retrotransposons
14.1K
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...
14.1K
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
127
Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
127

