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| Gene | RAD51C |
| Variant | R193* |
| Impact List | nonsense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | RAD51C R193* results in a premature truncation of the Rad51c protein at amino acid 193 of 376 (UniProt.org). R193* confers a loss of function to the Rad51c protein as demonstrated by impairment of homologous recombination repair in cultured cells and reduced interaction with Xrcc3 and Rad51b in yeast assays (PMID: 28588062). |
| Associated Drug Resistance | |
| Category Variants Paths |
RAD51C mutant RAD51C inact mut RAD51C R193* |
| Transcript | NM_058216.3 |
| gDNA | chr17:g.58703201C>T |
| cDNA | c.577C>T |
| Protein | p.R193* |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| XM_047436505.1 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722002.4 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722002 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722001.4 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722001.5 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| NM_058216 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| NM_058216.2 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722001 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| NM_058216.3 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| XM_006722002.5 | chr17:g.58703201C>T | c.577C>T | p.R193* | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| RAD51C R193* | ovarian carcinoma | predicted - sensitive | Rucaparib | Case Reports/Case Series | Actionable | In a clinical case study, an ovarian carcinoma patient harboring a RAD51C R193* germline mutation demonstrated a partial response when treated with Rubraca (rucaparib) (PMID: 28588062). | 28588062 |
| RAD51C R193* | ovarian cancer | sensitive | Niraparib + TNG348 | Preclinical - Pdx | Actionable | In a preclinical study, treatment with the combination of TNG348 and Zejula (niraparib) resulted in greater inhibition of tumor growth than either agent alone in a patient-derived xenograft (PDX) model of ovarian cancer harboring RAD51C R193* (PMID: 39886906). | 39886906 |