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| Gene | RAD51C |
| Variant | L134S |
| Impact List | missense |
| Protein Effect | loss of function - predicted |
| Gene Variant Descriptions | RAD51C L134S lies within the Rad51b, Rad51d, and Xrcc3-interacting region of the Rad51c protein (UniProt.org). L134S demonstrates a partial reduction in the ability to rescue survival of RAD51C-deficient cells upon mitomycin c and PARP inhibitors treatment, reduced Rad51 foci formation in cell culture, a modest increase in sensitivity to topoisomerase II inhibitors and hydroxyurea, defective replication fork protection, and increased chromosome breaks in patient cells and in cultured cells (PMID: 36562461), and decreased survival in a high-throughput cell culture assay (PMID: 39299233), and therefore, is predicted to lead to a loss of Rad51c protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
RAD51C mutant RAD51C inact mut RAD51C L134S |
| Transcript | NM_058216.3 |
| gDNA | chr17:g.58695186T>C |
| cDNA | c.401T>C |
| Protein | p.L134S |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_058216.3 | chr17:g.58695186T>C | c.401T>C | p.L134S | RefSeq | GRCh38/hg38 |
| XM_006722001.5 | chr17:g.58695186T>C | c.401T>C | p.L134S | RefSeq | GRCh38/hg38 |
| XM_006722002.5 | chr17:g.58695186T>C | c.401T>C | p.L134S | RefSeq | GRCh38/hg38 |
| XM_047436505.1 | chr17:g.58695186T>C | c.401T>C | p.L134S | RefSeq | GRCh38/hg38 |
| NM_002876.4 | chr17:g.58695186T>C | c.401T>C | p.L134S | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| RAD51C L134S | Advanced Solid Tumor | predicted - sensitive | Talazoparib | Preclinical - Cell culture | Actionable | In a preclinical study, Talzenna (talazoparib) moderately inhibited proliferation of cells expressing RAD51C L134S in culture (PMID: 36562461). | 36562461 |