Siglec-8 Fc Chimera Protein, Human,UA BIOSCIENCE_specification/price/image

Product Detail
Company Profile

Product Specification

Species	Human
Synonyms	Siglec8, SAF2, SAF2SAF-2, SAF-2, CD329 antigen, CDw329
Amino Acid Sequence	Met17-Ala363, with C-terminal hIgG1 Fc
Expression System	HEK293
Molecular Weight	72-75kDa (Reducing)
Purity	＞95% by SDS-PAGE
Endotoxin	<0.1EU/μg
Conjugation	Unconjugated
Physical Appearance	Lyophilized Powder
Storage Buffer	PBS, pH7.4.
Reconstitution	Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability & Storage	· 12 months from date of receipt, lyophilized powder stored at -20 to -80℃. · 3 months, -20 to -80℃ under sterile conditions after reconstitution. · 1 week, 2 to 8℃ under sterile conditions after reconstitution. · Please avoid repeated freeze-thaw cycles.
Reference	1. Bradford A Youngblood, John Leung, Rustom Falahati, Jason Williams, Julia Schanin, Emily C Brock, Bhupinder Singh, Alan T Chang, Nenad Tomasevic, Christopher R Bebbington. Discovery, Function, and Therapeutic Targeting of Siglec-8. Cells. 2020 Dec 24;10(1):19.

Background

Siglecs (sialic acid-binding immunoglobulin-like lectins) are single-pass cell surface receptors that have inhibitory activities on immune cells. Among these, Siglec-8 is a CD33-related family member selectively expressed on human mast cells and eosinophils, and at low levels on basophils. These cells can participate in inflammatory responses by releasing mediators that attract or activate other cells, contributing to the pathogenesis of allergic and non-allergic diseases. Since its discovery in 2000, initial in vitro studies have found that the engagement of Siglec-8 with a monoclonal antibody or with selective polyvalent sialoglycan ligands induced the cell death of eosinophils and inhibited mast cell degranulation. Anti-Siglec-8 antibody administration in vivo to humanized and transgenic mice selectively expressing Siglec-8 on mouse eosinophils and mast cells confirmed the in vitro findings, and identified additional anti-inflammatory effects.

AntBio is a biotechnology group company dedicated to serving life sciences, aiming to help scientists accelerate research and improve work efficiency. AntBio provides comprehensive and high-quality reagent tools for basic research, drug development, and diagnosis, including research grade antibodies, proteins, biochemical reagents, and assay kits. These research tools are widely used in different segments of life science research. The group company currently consists of three brands, Absin, Starter-Bio and UA-Bio.