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| Gene | PTEN |
| Variant | N48I |
| Impact List | missense |
| Protein Effect | loss of function - predicted |
| Gene Variant Descriptions | PTEN N48I lies within the phosphatase tensin-type domain of the Pten protein (UniProt.org). N48I results in reduced phosphatase activity in a yeast assay (PMID: 29706350), and therefore, is predicted to lead to a loss of Pten protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
PTEN mutant PTEN inact mut PTEN N48I |
| Transcript | NM_000314.8 |
| gDNA | chr10:g.87894088A>T |
| cDNA | c.143A>T |
| Protein | p.N48I |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000314.8 | chr10:g.87894088A>T | c.143A>T | p.N48I | RefSeq | GRCh38/hg38 |
| NM_000314.6 | chr10:g.87894088A>T | c.143A>T | p.N48I | RefSeq | GRCh38/hg38 |
| NM_000314 | chr10:g.87894088A>T | c.143A>T | p.N48I | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| PTEN N48I | urinary bladder cancer | decreased response | Pictilisib | Preclinical - Cell culture | Actionable | In a preclinical study, Pictilisib (GDC-0941) demonstrated limited inhibition of Akt phosphorylation and growth in bladder cancer cells harboring PTEN N48I in culture (PMID: 28808038). | 28808038 |