ArticleFrontiers in oncology2026
Genome-wide association study identifies and validates genetic variation in the RIG-I/MAVS signaling pathway associated with HIV-related Kaposi sarcoma in children and adults.
Article in Frontiers in oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Immune deficiency and infection with human herpesvirus-8 (HHV-8) are established component causes of Kaposi sarcoma (KS), but they are insufficient to cause disease in most people at risk. Therefore, we hypothesized that genetic variation may contribute to KS risk in children and adults, as well as contribute to its unique epidemiology in sub-Saharan Africa. Methods: To test this hypothesis, we conducted a two-phase genome-wide association study (GWAS): a discovery study in perinatally HIV-infected children (45 KS cases, 91 controls), followed by validation of significant results in a sample of adults living with HIV (215 cases, 262 controls). After standard quality control, we tested single-nucleotide variants for association with KS. Results: In children, the top signal was a missense variant in the mitochondrial antiviral-signaling ( Discussion: These findings provide the first pediatric evidence of germline susceptibility to KS and suggest RIG-I/MAVS as a candidate pathway for host risk. Further replication and functional studies are needed to clarify the mechanism underlying the risk associated with
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