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Anti-HSPA5 Antibody 6H4.2G7
Also for HSPA5 (NM_005347)
|His-tagged human GRP78|
|Human. Other species not yet tested.
|PBS pH7.4, 50% glycerol, 0.09% sodium azide |
|Protein G Purified
|Detects a protein with a mass of ~78kDa corresponding to GRP78
|Homo sapiens heat shock 70kDa protein 5 (glucose-regulated protein, 78kDa) (HSPA5)|
|BIP; GRP78; HEL-S-89n; MIF2|
|GRP78 is a ubiquitously expressed, 78-kDa glucose- regulated protein, and is commonly referred to as an immunoglobin chain binding protein (BiP). The BiP proteins are categorized as stress response proteins because they play an important role in the proper folding and assembly of nascent protein and in the scavenging of misfolded proteins in the endoplasmic reticulum lumen. Translation of BiP is directed by an internal ribosomal entry site (IRES) in the 5 nontranslated region of the BiP mRNA. BiP IRES activity increases when cells are heat stressed .GRP78 is also critical for maintenance of cell homeostasis and the prevention of apoptosis . Luo et al. have provided findings that suggest GRP78 is essential for embryonic cell growth and pluripotent cell survival .In terms of diseases, GRP78 has been shown to be a reliable biomarker of hypoglycemia, to serve a neuroprotective function in neurons exposed to glutamate and oxidative stress , and its protein levels are reduced in the brains of Alzheimers patients . Also, the induction of the GRP78 protein that results in severe glucose and oxygen deprivation could possible lead to drug resistance to anti-tumor drugs .|
MAPK signaling pathway
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0.5 µg/ml of TA309343 was sufficient for detection of Grp78 in 10ug of HeLa cell lysate by ECL immunoblot analysis.
IHC analysis of Grp78 using the antibody