This Survivin (60.11) antibody is useful for Immunocytochemistry (PMID: 21976248) /Immunofluorescence, Immunohistochemistry on paraffin-embedded sections and Western blot. By WB, this antibody recognizes a band at ~16.5 kDa representing Survivin. Flow Cytometry and ELISA were reported in scientific literature.
Survivin (BIRC5 or IAP4) is the smallest member of inhibitors of apoptosis proteins (X-linked IAP/XIAP, c-IAP1, c-IAP2, IAP-like protein-2/ ILP2, melanoma IAP/ ML-IAP, Livin, NAIP, and survivin) and besides its anti-apoptotic functions; survivin also regulates processes such as cell cycle, migration, metastasis etc. Highly critical in fetal development, survivin is generally no longer present in adult tissues; however, its re-expression occurs in cancers wherein it drives proliferation, metastasis, poor prognosis, and decreased patient survival. Survivin contains only one copy of a modified baculovirus IAP repeat (BIR, a domain required for caspases inactivation) which is used for homodimerization and for its interaction with other chromosome passenger proteins. Phosphorylation/mutation of Thr-48 in the BIR domain affects survivin's dual ability to inhibit apoptosis and regulate cell division. Under apoptotic stimuli involving mitochondria, survivin forms a complex with XIAP, thus increasing the stability of XIAP and its inhibitory activity against caspases. The survivin binding to mitochondrial Smac/DIABLO leads to a delayed Smac/DIABLO release in the cytoplasm resulting in prolonged cell survival. Survivin-HBXIP complex can bind to pro-caspase-9 for exerting prevention of mitochondrial apoptosis activation. For facilitating correct cell division, survivin recognize/complex with phospho-histone-H3 and associates with the chromosome passenger proteins (Aurora B, INCENP, and borealin) and this new complex is recruited to the mitotic centromers where it assists/ensure proper chromosomal segregation. Moreover, at the centrosomes of dividing cells, survivin binds to Cdk1 which is critical for cells to enter mitosis.
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FAQs for Survivin (2)
In the immunohistochemistry paraffin section protocol....the PBS buffer....should it be at certain pH?
For IHC application, different labs cites the pH of PBS buffer in the range of 7.1 - 7.6 but most commonly used pH is pH 7.4 (this is what we use in our lab). You may use this PBS (pH 7.4) for making permeablization buffer, antibody diluent buffers and for making wash buffer. For more on the protocol that we use in our lab and for IHC-P troubleshooting suggestions, you may visit: IHC-P Protocol and IHC-P Troubleshooting.
I was wondering what does Format 7C mean as far as anitbodies go?
7C is a fluorophore - it is useful for FLOW. The details of the fluor are (A=425, E=500)
Survivin is thrivin' The survivin anti-apoptotic protein is the smallest member of a large family of proteins such as X-linked IAP, c-IAP1 and 2, IAP-like protein-2, melanoma IAP, Livin, and NAIP. Survivin regulates basic physiological events such as the cell cycle, tumor... Read full blog post.
Livin: On a Prayer Livin is a member of the inhibitor of apoptosis proteins (IAP) family that regulates programmed cell death. The Livin protein contains a single baculovirus IAP repeat (BIR) essential for function, along with a COOH-terminal RING-type zinc finger domai... Read full blog post.
Survivin: Infographic Survivin is involved in promoting cell proliferation and is an inhibitor of apoptosis. Survivin has a critical role in cancer proliferation and neural development. It may have an impact on neural cell proliferative responses following brain injury.... Read full blog post.
TrkB: Bridging Ontogenesis and Oncogenesis Tropomyosin receptor kinase B (TrkB) is a member of the Trk receptor tyrosine kinases family consisting of TrkA, TrkB and TrkC. The sequence of these family members is highly conserved. Interaction of brain-derived neurotrophic factor (BDNF) with its... Read full blog post.
Caspase 7: The Cell's Suicide Switch Caspase 7 (also known as CASP7, Mch3, ICE-LAP3, CMH-1) is a member of caspase family of cysteine proteases. It is an apoptosis-related cystein peptidase encoded by the CASP7 gene in humans. CASP7 homologous sequences have been identified in nearly all... Read full blog post.
TrkB: Docking for Neurotrophins and Beyond. Tropomyosin receptor kinase B (TrkB) is a member of the Trk receptor tyrosine kinases family consisting of TrkA, TrkB and TrkC. The sequence of these family members is highly conserved. TrK's are activated by several neurotrophins, which are small pro... Read full blog post.