OASIS (old astrocyte specifically-induced substance) is a 57‑60 kDa member of the CREB/ATF family of transcription factors. Human OASIS is 519 amino acids (aa) in length. It is an ER transmembrane protein with a cytosolic N-terminus (aa 1‑374) and a luminal C‑terminus. The N-terminus contains one b-Zip region (aa 292‑353). Misfolded proteins in the ER induce proteolytic cleavage of OASIS. The released 66 kDa N-terminus translocates to the nucleus to activate stress response genes. There is one alternate splice form that shows a deletion of aa 112‑198. Over aa 1‑111, human OASIS shares 96% aa sequence identity with mouse OASIS.
Human OASIS/CREB3L1 Antibody
R&D Systems | Catalog # AF4080
Scientific images may be resized, cropped, or adjusted for brightness or contrast for presentation purposes. These updates are limited to presentation and do not affect the underlying scientific interpretation of the data. Where available, additional source data may be provided upon request.
Key Product Details
Species Reactivity
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Met1-Asp111
Accession # Q96BA8
Specificity
Clonality
Host
Isotype
Scientific Data Images for Human OASIS/CREB3L1 Antibody
Detection of Human OASIS/CREB3L1 by Western Blot.
Western blot shows lysates of human brain tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human OASIS/CREB3L1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4080) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for OASIS/CREB3L1 at approximately 57 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.Detection of Human OASIS/CREB3L1 by Immunohistochemistry
CREB3L1 is required for metastasis and is upregulated in the metastases of breast cancer patients. a A quantification of circulating tumor cells (CTCs) per ml of blood from NOD/SCID mice 7 weeks after being transplanted with MDA.MB.231-Luc-LM2 cells transduced with shRNAs targeting LacZ or CREB3L1, n = 5. b Lung metastases of the animals in a were quantified (top) by radiance of the whole lung in each animal, n = 5. Total radiance was also imaged (bottom). c Lung metastases of the animals in a was gauged by immunohistochemistry staining for GFP-positive cancer cells in lung sections. GFP area per field was quantified (top) and imaged (bottom), n = 10,10,9 for Ctrl, sh1, and sh2, respectively (scale bar: 40 µm). d Expression of CREB3L1 in 529 primary breast cancer tissues and 45 breast cancer metastases (GSE20565, GSE20685, GSE7904, and GSE3744) shown as a box-and-whiskers plot. e Immunohistochemical staining for CREB3L1 in a tissue microarray containing primary breast cancer tissues (left, n = 50) and breast cancer metastases in lymph nodes (middle, n = 50). Nuclear CREB3L1 levels were quantified (right). Scale bar: 40 µm. Data are represented as mean ± SEM or the mean alone. * indicates p < 0.05; ** indicates p < 0.01 (Student’s t-test) Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/29057869), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Human OASIS/CREB3L1 Antibody
Western Blot
Sample: Human brain tissue
Formulation, Preparation, and Storage
Purification
Reconstitution
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: OASIS/CREB3L1
Long Name
Alternate Names
Gene Symbol
UniProt
Additional OASIS/CREB3L1 Products
Product Documents for Human OASIS/CREB3L1 Antibody
Certificate of Analysis
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Product Specific Notices for Human OASIS/CREB3L1 Antibody
For research use only
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Citations for Human OASIS/CREB3L1 Antibody
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
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