1/100 - 1/2000. Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol.
FunctionAntiapoptotic factor that may have a role in protein assembly. Negatively regulates ACIN1. By binding to ACIN1, it suppresses ACIN1 cleavage from CASP3 and ACIN1-mediated DNA fragmentation. Also known to efficiently suppress E2F1-induced apoptosis. Its depletion enhances the cytotoxic action of the chemotherapeutic drugs.
Tissue specificityExpressed in all tissues tested, including heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas. Highest levels in heart, pancreas and placenta. Highly expressed in several cancers. Preferentially expressed in squamous cell carcinoma versus adenocarcinoma in non-small cell lung cancer.
Sequence similaritiesBelongs to the API5 family.
DomainTwo regions, an N-terminal (aa 96-107) and a C-terminal (aa 274-311) are required for binding FGF2.
Cellular localizationCytoplasm and Nucleus. Cytoplasm. Mainly nuclear. Can also be cytoplasmic.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of human breast carcinoma (left) and mouse teratoma (right) tissues labelling Apoptosis inhibitor 5 with ab99307 at 1/1000 (0.2µg/mg) and 1/200 (1 µg/mg). Detection: DAB.
Western blot - Apoptosis inhibitor 5 antibody (ab99307)
All lanes : Anti-Apoptosis inhibitor 5 antibody (ab99307) at 0.04 µg/ml
Lane 1 : HeLa whole cell
lysate at 50 µg Lane 2 : HeLa whole cell
lysate at 15 µg Lane 3 : HeLa whole cell
lysate at 5 µg Lane 4 : 293T whole cell
lysate at 50 µg Lane 5 : NIH 3T3 whole cell
lysate at 50 µg
ab99307, at 0.4 µg/ml, staining Apoptosis inhibitor 5 in HeLa whole cell lysate immunoprecipitated using ab99307 at 3 µg/mg lysate (1 mg/IP; 20% of IP loaded/lane). Detection: Chemiluminescence with an exposure time of 1 second.
References for Anti-Apoptosis inhibitor 5 antibody (ab99307)
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