Genetic Strategies: Knockdown Validated: OS9 Antibody [NB100-519] - Contribution and interaction of OS-9 for degradation of SHH proteins. Cells stably expressing the N278A-HA precursor were depleted of OS-9 by ...read more
Western Blot: OS9 Antibody [NB100-519] - Detection of OS-9.1 and OS-9.2 in total HEK293 cells, HEK293 cells expressing OS-9.1 or OS-9.2 by western analysis.
Immunohistochemistry: OS9 Antibody [NB100-519] - Staining of OS9 in mouse smooth muscle.
Immunoprecipitation: OS9 Antibody [NB100-519] - Immunoprecipitation of OS-9.1 and OS-9.2 in total HEK293 cells, HEK293 cells expressing OS-9.1 or OS-9.2.
This OS9 antibody is useful for Immunocytochemistry/Immunofluorescence, Immunohistochemistry on paraffin-embedded sections, Immunoprecipitation and Western blot. In WB, bands can be seen at ~75 kDa representing isoform 1 and at ~70 kDa representing isoform 2.
OS9 (protein OS-9 or amplified in osteosarcoma 9) is a lectin/glycoprotein that functions in ER quality control and ER-associated degradation (ERAD pathway) of newly synthesized proteins. TRPV4 is its major target and OS9 also interact with GRP94, DERL2, HSP90B1, CREB3, ERLEC1, HSPA5 etc., forms a part of HRD1 ubiquitin ligase complex (SYVN1/HRD1 and SEL1L) which is involved in retrotranslocation of misfolded proteins from ER to cytosol for ubiquitin dependent degradation. OS9 is essential for recognizition of terminally misfolded non-glycosylated proteins or improperly folded glycoproteins, binding with them for their retention in ER, and transferring them to ubiquitination machinery for degradation. Moreover, it has also been shown to specifically protect some proteins from degradation process before maturation, ensuring their biological functionality. Because OS9 is implicated in protein quality control, it is closely related to ER stress, and gets up-regulated in response to ER stress. Recently, it has been shown to highly express in adipocytes wherein it regulated lipid storage, and its overexpression is also observed in sarcomas especially in osteosarcoma OSA-CL and rhabdomyosarcoma RH30 cell lines.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
OS9: Taking proteins to the ER finish line The OS9 protein is a lectin/glycoprotein that maintains endoplasmic reticulum (ER) quality control and ER-associated degradation (the so-called ERAD pathway) of newly synthesized proteins. It is essential for the recognition of terminally misfolded no... Read full blog post.
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