Western blot shows lysate of U937 human histiocytic lymphoma cell line. PVDF membrane was probed with 2 µg/mL of Goat Anti-Human B7‑H2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF165) followed by ...read more
U937 human histiocytic lymphoma cell line was stained with Goat Anti-HumanB7‑H2 Antigen Affinity‑purified Polyclonal Antibody (Catalog # AF165, filled histogram) or isotype control antibody (Catalog # AB-108-C, ...read more
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.
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.
Reconstitute at 0.2 mg/mL in sterile PBS.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for B7-H2/ICOSLG Antibody [Unconjugated]
B7H2B7 homolog 2
B7-H2B7-related protein 1
B7RP1B7-like protein Gl50
GL50transmembrane protein B7-H2 ICOS ligand
inducible T-cell co-stimulator ligand
Human B7-H2, also called B7RP-1, B7h, LICOS, and GL50, is a 60 kDa member of the B7 family of immune costimulatory proteins, which includes B7-1, B7-2, B7-H1 (PD-L1), PD-L2, and B7-H3. B7 proteins are members of the immunoglobulin (Ig) superfamily, the extracellular domains contain 2 Ig-like domains and all members have short cytoplasmic domains. Family members share about 20‑25% amino acid identity. Within the extracellular domain, human B7-H2 shares 49% and 54% amino acid sequence identity with human and rat B7-H2, respectively. B7-H2 has been identified as the ligand for ICOS, a member of the CD28 family of costimulatory receptors. Human B7-H2 is a 309 amino acid (aa) protein with a putative 18 aa signal peptide, a 239 aa extracellular domain, an 18 aa transmembrane region, and a 33 aa cytoplasmic domain. Human B7-H2 is expressed constitutively on resting B cells, dendritic cells, and at low levels on monocytes. The B7-H2/ICOS interaction appears to play roles in T cell dependent B cell activation and Th differentiation.
Coyle, A.J. and J.C. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
Ling, V. et al. (2000) J. Immunol. 164:1653.
Wang, S. et al. (2000) Blood 96:2808.
Brodie, D. et al. (2000) Curr. Biol. 10:333.
Mages, H.W. et al. (2000) Eur. J. Immunol. 30:1040.
Swallow, M.M. et al. (1999) Immunity 11:423.
Yoshinaga, S.K. et al. (1999) Nature 402:827.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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