rs9561778 is a SNP in the ATP-binding cassette, sub-family C (CFTR/MRP), member 4 ABCC4 gene.

A stepwise case-control study of ~400 breast cancer Japanese patients receiving cyclophosphamide-based combination chemotherapy, roughly divided equally between those having or not having serious adverse drug reactions (ADRs), concluded that carriers of rs9561778(T) allele had a ~2x higher risk of ADRs. The ADRs for these patients tended to be gastrointestinal toxicity and leukopenia/neutropenia.[R]

 

 

 

 

 

rs9561778

Parent Gene: ABCC4

Importance: 1
Less common allele: T = 16%
More common allele: = None
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