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| Gene | PALB2 |
| Variant | R594K |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | PALB2 R594K does not lie within any known functional domains of the Palb2 protein (UniProt.org). R594K has not been characterized in the scientific literature and therefore, its effect on Palb2 protein function is unknown (PubMed, May 2026). |
| Associated Drug Resistance | |
| Category Variants Paths |
PALB2 mutant PALB2 R594K |
| Transcript | NM_024675.4 |
| gDNA | chr16:g.23630373C>T |
| cDNA | c.1781G>A |
| Protein | p.R594K |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001407299.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_001407301.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| XM_017023672.2 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_001407298.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_024675.3 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_024675.4 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| XM_017023673.2 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_001407300.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_001407302.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| NM_001407297.1 | chr16:g.23630373C>T | c.1781G>A | p.R594K | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| PALB2 mutant | uveal melanoma | not applicable | N/A | Guideline | Risk Factor | Germline PALB2 mutations are associated with familial uveal melanoma and increased risk of developing uveal melanoma (NCCN.org). | detail... |
| PALB2 mutant | pancreatic adenocarcinoma | sensitive | Fluorouracil + Irinotecan + Leucovorin + Oxaliplatin | Guideline | Actionable | FOLFIRINOX is included in guidelines as a preferred neoadjuvant therapy for pancreatic adenocarcinoma patients harboring PALB2 mutations with resectable/borderline resectable disease and as a preferred first-line therapy for patients with locally advanced or metastatic disease with good performance status (ECOG 0 -1) (NCCN.org). | detail... |
| PALB2 mutant | ovarian cancer | not applicable | N/A | Guideline | Risk Factor | Germline PALB2 mutations are associated with increased risk of developing ovarian cancer (NCCN.org). | detail... |
| PALB2 mutant | pancreatic cancer | predicted - sensitive | Talazoparib | Case Reports/Case Series | Actionable | In a Phase I trial, Talzenna (talazoparib) treatment resulted in an objective response rate of 20.0% (2/10, 2 partial responses) and a clinical benefit rate of 30.0% in patients with pancreatic cancer, including a partial response in one patient harboring a PALB2 mutation (PMID: 28242752; NCT01286987). | 28242752 |
| PALB2 mutant | prostate cancer | not applicable | N/A | Guideline | Risk Factor | Germline PALB2 mutations are associated with increased risk of developing prostate cancer (NCCN.org). | detail... |
| PALB2 mutant | pancreatic adenocarcinoma | sensitive | Cisplatin + Gemcitabine | Guideline | Actionable | Platinol (cisplatin) in combination with Gemzar (gemcitabine) is included in guidelines as a preferred neoadjuvant therapy for pancreatic adenocarcinoma patients harboring PALB2 mutations with resectable/borderline resectable disease, as a preferred first-line therapy in patients with locally advanced or metastatic disease with good performance status (ECOG 0 -1), and as subsequent therapy for patients with locally advanced, metastatic, or recurrent diseases (NCCN.org). | detail... |
| PALB2 mutant | breast cancer | not applicable | N/A | Guideline | Risk Factor | Germline PALB2 mutations are associated with increased risk of developing breast cancer (NCCN.org). | detail... |
| PALB2 mutant | pancreatic adenocarcinoma | sensitive | Rucaparib | Guideline | Actionable | Rubraca (rucaparib) is included in guidelines as maintenance therapy following prior platinum-based therapy for patients with metastatic pancreatic adenocarcinoma harboring germline or somatic PALB2 mutations (NCCN.org). | detail... |
| PALB2 mutant | pancreatic cancer | not applicable | N/A | Guideline | Risk Factor | Germline PALB2 mutations are associated with increased pancreatic cancer susceptibility (NCCN.org). | detail... |