Rabbit Polyclonal Astrin/Deepest antibody. Suitable for ICC/IF and reacts with Human samples. Immunogen corresponding to Recombinant Fragment Protein within Human Sperm-associated antigen 5 aa 900 to C-terminus.
IgG
Rabbit
pH: 7
Preservative: 0.01% Thimerosal (merthiolate)
Constituents: 20% Glycerol (glycerin, glycerine), 1.21% Tris, 0.75% Glycine
Liquid
Polyclonal
ICC/IF | |
---|---|
Human | Tested |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/100.00000 - 1/1000.00000 | Notes - |
Select an associated product type
Essential component of the mitotic spindle required for normal chromosome segregation and progression into anaphase (PubMed:11724960, PubMed:12356910, PubMed:27462074). Required for chromosome alignment, normal timing of sister chromatid segregation, and maintenance of spindle pole architecture (PubMed:17664331, PubMed:27462074). In complex with SKAP, promotes stable microtubule-kinetochore attachments. May contribute to the regulation of separase activity. May regulate AURKA localization to mitotic spindle, but not to centrosomes and CCNB1 localization to both mitotic spindle and centrosomes (PubMed:18361916, PubMed:21402792). Involved in centriole duplication. Required for CDK5RAP2, CEP152, WDR62 and CEP63 centrosomal localization and promotes the centrosomal localization of CDK2 (PubMed:26297806). In non-mitotic cells, upon stress induction, inhibits mammalian target of rapamycin complex 1 (mTORC1) association and recruits the mTORC1 component RPTOR to stress granules (SGs), thereby preventing mTORC1 hyperactivation-induced apoptosis (PubMed:23953116). May enhance GSK3B-mediated phosphorylation of other substrates, such as MAPT/TAU (PubMed:18055457).
Sperm-associated antigen 5, Astrin, Deepest, Mitotic spindle-associated protein p126, MAP126, SPAG5
Rabbit Polyclonal Astrin/Deepest antibody. Suitable for ICC/IF and reacts with Human samples. Immunogen corresponding to Recombinant Fragment Protein within Human Sperm-associated antigen 5 aa 900 to C-terminus.
IgG
Rabbit
pH: 7
Preservative: 0.01% Thimerosal (merthiolate)
Constituents: 20% Glycerol (glycerin, glycerine), 1.21% Tris, 0.75% Glycine
Liquid
Polyclonal
Affinity purification Immunogen
Blue Ice
1-2 weeks
+4°C
-20°C
Upon delivery aliquot
Avoid freeze / thaw cycle
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This supplementary information is collated from multiple sources and compiled automatically.
Astrin also known as SPAG5 or Deepest is a protein important for cell division. It has a molecular mass of approximately 45 kDa. Researchers find Astrin primarily in the cytosol and preferably expressed in proliferating cells. Astrin plays a significant role in spindle stabilization during mitosis binding to microtubules to ensure proper chromosome segregation. This protein has become a focus of study due to its critical functions during cell cycle progression.
Astrin facilitates kinetochore-microtubule attachment participating in the mitotic spindle assembly complex. This complex ensures chromosome alignment and segregation which is critical in cellular replication. Since precise regulation of this process is necessary for genetic stability Astrin's function is indispensable. Its presence influences the structural integrity of dividing cells linking it to the stability of genetic information passed to daughter cells after division.
Astrin operates within the spindle assembly checkpoint and cell cycle pathways. The spindle assembly checkpoint pathway ensures that cells do not progress to anaphase until all chromosomes are properly attached to the spindle apparatus. In synergy with proteins like Ndc80 and KNL1 Astrin maintains attachment integrity. Its interactions with these proteins ensure accurate chromosome segregation protecting against chromosomal instability which can lead to aneuploidy.
Astrin's role connects it to conditions like cancer and developmental disorders. Overexpression of Astrin has associations with tumor progression since its function affects cell proliferation. In the context of cancer proteins like Aurora B also influence Astrin's activity. The misregulation of this pathway can lead to faulty chromosomal alignment and segregation contributing to oncogenesis. Such insights make Astrin a potential biomarker and therapeutic target in cancer research.
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This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
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Immunofluorescent analysis of HeLa cells (fixed in 100% methanol for 5 mins) labeling Astrin/Deepest with ab184142 at 1/500 dilution (green). Blue: Hoechst 33342 staining.
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