Human OASIS/CREB3L1 Antibody

R&D Systems | Catalog # AF4080

R&D Systems
Discontinued Product
AF4080 has been discontinued. View all OASIS/CREB3L1 products.

Key Product Details

Species Reactivity

Validated:

Human

Cited:

Rat

Applications

Validated:

Western Blot

Cited:

Immunohistochemistry

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
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Product Specifications

Immunogen

E. coli-derived recombinant human OASIS/CREB3L1
Met1-Asp111
Accession # Q96BA8

Specificity

Detects human OASIS/CREB3L1 in direct ELISAs and Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human OASIS/CREB3L1 Antibody

Detection of Human OASIS/CREB3L1 antibody by Western Blot.

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

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

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Human brain tissue

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: OASIS/CREB3L1

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.

Long Name

Old Astrocyte Specifically Induced Substance

Alternate Names

BBF-2 Homolog, CREB3L1

Entrez Gene IDs

90993 (Human); 26427 (Mouse); 362165 (Rat)

Gene Symbol

CREB3L1

UniProt

Additional OASIS/CREB3L1 Products

Product Documents for Human OASIS/CREB3L1 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human OASIS/CREB3L1 Antibody

For research use only

Citations for Human OASIS/CREB3L1 Antibody

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