Detection of BTLA in Human Whole Blood Lymphocytes by Flow Cytometry. Human whole blood lymphocytes were stained with Mouse Anti-Human CD19 Fluorescein‑conjugated Monoclonal Antibody (Catalog # FAB4867F) and either (A) Goat Anti-Human BTLA APC‑conjugated Antigen Affinity-purified Polyclonal Antibody (Catalog # FAB3354A) or (B) Normal Goat IgG Allophycocyanin Control (Catalog # IC108A). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
B and T Lymphocyte Attenuator (BTLA) also known as CD272, is a 70kDa type I transmembrane glycoprotein of the CD28 family of T cell costimulatory molecules. BTLA functions as a coinhibitor on activated T cells and on B cells and dendritic cells. The extracellular domain (ECD) of this Ig superfamily protein contains one V‑type Ig-like domain, which interacts with the herpesvirus entry mediator (HVEM/TNFSF14). The amino acid sequence of the ECD of human BTLA shares only 34% identity to that of mouse BTLA. One human BTLA variant lacking the transmembrane sequence has been reported.
B- And T-Lymphocyte Attenuator
Entrez Gene IDs:
151888 (Human); 208154 (Mouse)
B and T lymphocyte associated; B and T lymphocyte attenuator; B- and T-lymphocyte attenuator; B- and T-lymphocyte-associated protein; BTLA; BTLA1; CD272 antigen; CD272; FLJ16065; MGC129743
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