Anti-OASIS (CREB3L1); clone 10H1

Application

Anti-OASIS (CREB3L1), clone 10H1, Cat. No. MABE1151, is a highly specific mouse monoclonal antibody that targets Cyclic AMP-responsive element-binding protein 3-like protein 1 and has been tested in Immunohistochemistry (Paraffin) and Western Blotting.

Immunohistochemistry Analysis: A 1:50 dilution from a representative lot detected OASIS (CREB3L1) in human pancreas and human tonsil tissues.

Immunohistochemistry Analysis: A representative lot detected OASIS (CREB3L1) in Immunohistochemistry applications (Denard, B., et. al. (2015). PLoS One. 10(6):e0129233).

Western Blotting Analysis: A representative lot detected OASIS (CREB3L1) in Western Blotting applications (Denard, B., et. al. (2015). PLoS One. 10(6):e0129233; Chen, Q., et. al. (2016). Mol Cell. 63(4):567-78).

General description

Cyclic AMP-responsive element-binding protein 3-like protein 1 (UniProt: Q96BA8; also known as cAMP-responsive element-binding protein 3-like protein 1, Old astrocyte specifically-induced substance, OASIS) is encoded by the CREB3L1 (also known as OASIS, PSEC0238) gene (Gene ID: 90993) in human. OASIS is a single-pass type II membrane protein that serves as a transcription factor and is involved in
unfolded protein response (UPR). It binds the DNA consensus sequence 5′-GTGXGCXGC-3′. It has a cytoplasmic domain (aa 1-374), a helical domain (aa 375-395), and a luminal domain (aa 396-519). In the absence of endoplasmic reticulum (ER) stress, it is inserted into ER membranes, with N-terminal DNA-binding and transcription activation domains oriented toward the cytosolic face of the membrane. However, in response to ER stress, it is transported to the Golgi, where it is cleaved in a site-specific manner by resident proteases S1P/MBTPS1 and S2P/MBTPS2. The released N-terminal cytosolic domain is translocated to the nucleus to effect transcription of specific target genes. OASIS also plays a critical role in bone formation through the transcription of COL1A1, and possibly COL1A2, and the secretion of bone matrix proteins. It directly binds to the UPR element (UPRE)-like sequence in an osteoblast-specific COL1A1 promoter region and induces its transcription. OASIS is also required to protect astrocytes from ER stress-induced cell death. In astrocytes, it binds to the cAMP response element (CRE) of the BiP/HSPA5 promoter and participate in its transcriptional activation. Mutations in CREB3L1 gene are reported to cause osteogenesis imperfecta, a connective tissue disorder characterized by low bone mass, bone fragility and susceptibility to fractures after minimal trauma.

Immunogen

KLH-conjugated linear Peptide corresponding to 35 amino acids from the N-terminal region of human OASIS (CREB3L1).

Other Notes

Concentration: Please refer to lot specific datasheet.

Physical form

Format: Purified

Quality

Evaluated by Immunohistochemistry in human prostate cancer tissue.

Immunohistochemistry Analysis: A 1:50 dilution of this antibody detected OASIS (CREB3L1) in human prostate cancer tissue sections.

Specificity

Clone 10H1 detects Cyclic AMP-responsive element-binding protein 3-like protein 1 (CREB3L1) in human tissues. it targets an epitope within 35 amino acids from the N-terminal region.

Target description

57.00 kDa calculated.