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GRP78 (78kD Glucose-regulated Protein, GRP-78, Immunoglobulin Heavy Chain-binding Protein, BiP, HSPA5)

Cat no: 136783

GRP78 (78kD Glucose-regulated Protein, GRP-78, Immunoglobulin Heavy Chain-binding Protein, BiP, HSPA5)

GRP78 is a ubiquitously expressed, 78kD 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 (1). GRP78 is also critical for maintenance of cell homeostasis and the prevention of apoptosis (2). Luo et al. have provided findings that suggest GRP78 is essential for embryonic cell growth and pluripotent cell survival (3). 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 (4), and its protein levels are reduced in the brains of Alzheimer

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SPECIFICATIONS

Catalog Number

136783

Size

25ug

Applications

ELISA, WB

Hosts

Rabbit

Reactivities

Hum, Mouse, Rat, Can

Form

Supplied as a liquid in PBS, 0.09% sodium azide, 50% glycerol.

P Type

Pab

Purity

Purified by Protein A affinity chromatography.

References

1. Cho, S. et al. (2007). Mol Cell Biol 27(1): 368-83. 2. Yang, Y. et al. (1998) J Biol Chem 273: 25552-25555. 3. Luo, S. et al (2006) 26 (15): 5688-97. 4. Yu, Z. et al. (1999) Exp Neurol. 15: 302-314. 5. Koomagi, R. et al. (1999) Anticancer Res. 19:4333- 4336. 6. Laquerre, S. et al. (1998) J. Virology 72: 4940-4949. 7. Dong, D. et al. (2005) Cancer Res 65(13): 5785-91.

Additional Info

Recognizes human GRP78 at ~78kD. Species Crossreactivity: Mouse, rat and canine.

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