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AdipoGen Life Sciences
APRIL (human) (H98) (multimeric) (rec.)
Product Details | |
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Synonyms | MultimericAPRIL™; ACRP30headless:APRIL; ACRP30headless:CD256; ACRP30headless:TNFSF13; ACRP30headless:A-proliferation-inducing Ligand: |
Product Type | Protein |
Properties | |
Source/Host | CHO cells |
Sequence |
The extracellular domain of human APRIL (aa 98-233) is fused at the N-terminus to human ACRP30headless (aa 16-108) and a FLAG®-tag. |
Crossreactivity |
Human Mouse |
Specificity |
Binds to human and mouse BCMA and TACI. Does not bind to proteoglycans. |
Biological Activity |
Stimulates B cell proliferation. |
MW | ~32kDa (SDS-PAGE) |
Purity | ≥95% (SDS-PAGE) |
Endotoxin Content | <0.01EU/μg purified protein (LAL test; Lonza). |
Concentration |
10µg vial: 0.1mg/ml after reconstitution. 100µg vial: 1mg/ml after reconstitution. |
Reconstitution | Reconstitute with 100μl sterile water. |
Formulation | Lyophilized. Contains PBS + 0.5% Trehalose. |
Other Product Data |
UniProt link O75888: APRIL (human) FLAG is a registered trademark of Sigma-Aldrich Co. |
Shipping and Handling | |
Shipping | BLUE ICE |
Short Term Storage | +4°C |
Long Term Storage | -20°C |
Handling Advice |
After reconstitution, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles. Centrifuge lyophilized vial before opening and reconstitution. PBS containing at least 0.1% BSA should be used for further dilutions. |
Use/Stability |
Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C. |
Documents | |
MSDS | Download PDF |
Product Specification Sheet | |
Datasheet | Download PDF |
APRIL is a cytokine that belongs to the TNF superfamily and binds to TACI and BCMA. It is implicated in the regulation of tumor cell growth, is involved in monocyte/macrophage-mediated immunological processes and functions as an important survival factor for plasmablasts and bone marrow plasma cells.
MultimericAPRIL™ is a high activity construct in which two trimeric APRIL ligands are artificially linked via the collagen domain of ACRP30. This construct very effectively stimulates proliferation B cell. A basic amino acid sequence (QKQKKQ) close to the N-terminus of APRIL is required for binding to negatively charged sulfated glycosaminoglycan side chains of proteoglycans. Proteoglycans mediate binding of APRIL to tumor cells as well as primary lymphoid cells.
- Human Secretory IgM Emerges from Plasma Cells Clonally Related to Gut Memory B Cells and Targets Highly Diverse Commensals: G. Magri, et al.; Immunity 47, 118 (2017)