Elongin C (ELOC/TCEB1)-associated von Hippel–Lindau disease
[Paper-level Aggregated] PMCID: PMC9402235
Evidence Type(s): Oncogenic, Diagnostic, Predictive
Justification: Oncogenic: The de novo pathogenic variant NM_005648.4(ELOC):c.236A>G (p.Tyr79Cys) is associated with VHL-independent renal tumorigenesis and has been previously described as a somatic variant in renal cell carcinomas (RCCs) without VHL inactivation, indicating its role in cancer development. Diagnostic: The identification of the NM_005648.4(ELOC):c.236A>G (p.Tyr79Cys) variant in a proband with VHL disease suggests that genetic testing for ELOC variants should be performed in individuals with suspected VHL disease, thereby aiding in diagnosis. Predictive: The presence of the NM_005648.4(ELOC):c.236A>G (p.Tyr79Cys) variant has implications for predicting the development of VHL disease and associated renal tumors, as it mimics the effects of pVHL deficiency on hypoxic signaling.
Gene→Variant (gene-first): HIF1A(3091):Tyr79 HIF1A(3091):Y79 HIF1A(3091):c.236A>G HIF1A(3091):p.Tyr79Cys ELOC(6921):c.261_272del RET(5979):c.274G>A ELOC(6921):c.311T>A KRT7(3855):c.74A>T KRT7(3855):p.Asp25Val VAV1(7409):p.Glu92Lys ELOC(6921):p.Leu104Gln ELOC(6921):p.Thr88_Pro91del
Genes: HIF1A(3091) ELOC(6921) RET(5979) KRT7(3855) VAV1(7409)
Variants: Tyr79 Y79 c.236A>G p.Tyr79Cys c.261_272del c.274G>A c.311T>A c.74A>T p.Asp25Val p.Glu92Lys p.Leu104Gln p.Thr88_Pro91del