TIGIT Protein, Human, Recombinant (hFc)

TIGIT Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 39.2 kDa and the accession number is Q495A1-1.

TIGIT Protein, Human, Recombinant (hFc)

パッケージサイズ	在庫状況	単価(税別)
50 μg	在庫あり	￥ 45,500
100 μg	約5 days	￥ 80,500
200 μg	約5 days	￥ 142,500
500 μg	約5 days	￥ 303,000

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生物学的情報	1. Immobilized human CD155a-His at 10μg/mL (100μL/well) can bind human TIGIT-Fc, the EC50 of human TIGIT-Fc is 0.03-0.2μg/mL. 2.Loaded Recombinant Human TIGIT Protein, hFc Tag on ProA Biosensor, can bind Recombinant Human CD155/PVR Protein, His Tag with an affinity constant of 0.18 uM as determined in BLI assay (Routinely tested).
説明	TIGIT Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 39.2 kDa and the accession number is Q495A1-1.

Species	Human
Expression Host	HEK293 Cells
Tag	C-hFc
Accession Number	Q495A1-1
別名	WUCAM, VSTM3, VSIG9, T cell immunoreceptor with Ig and ITIM domains
Construction	The Human TIGIT (NP_776160.2) (Met1-Pro141) was expressed with the Fc region of Human IgG1 at the C-terminus.
Protein Purity	≥ 95% as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
分子量	39.2 kDa (predicted)

Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at-80℃. For reconstituted proteinsolutions, the solution can be stored at -20°c to -80'c for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	TIGIT, also known as V-set and transmembrane domain-containing protein 3 (VSTM3) or V-set and immunoglobulin domain-containing protein 9 (VSIG9) is a new surface protein containing an immunoglobulin variable domain, a transmembrane domain and an immunoreceptor tyrosine-based inhibitory motif (ITIM). TIGIT is expressed on regulatory, memory, activated T cells and NK cells. It binds PVR with high affinity, and PVRL2 with lower affinity, but not PVRL3. Knockdown of TIGIT with siRNA in human memory T cells did not affect T cell responses, however, TIGIT inhibits NK cytotoxicity directly through its ITIM. TIGIT suppresses T cell activation by promoting the generation of mature immunoregulatory dendritic cells. The binding of PVR to TIGIT on human dendritic cells enhanced the production of IL-1 and diminished the production of IL-12p4. Also, TIGIT counter inhibits the NK-mediated killing of tumor cells and protects normal cells from NK-mediated cytotoxicity thus providing an "alternative self" mechanism for MHC class I inhibition.Cancer ImmunotherapyCo-inhibitory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint TargetsImmunotherapyTargeted Therapy

参考文献

1. Ota T.,et al.,(2004), Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat. Genet. 36:40-45. 2. Bechtel S.,et al., (2007), The full-ORF clone resource of the German cDNA consortium.BMC Genomics 8:399-399. 3. Yu X., Harden K.,et al.,(2009), The surface protein TIGIT suppresses T cell activation by promoting the generation of mature immunoregulatory dendritic cells. Nat. Immunol. 10:48-57.

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TIGIT Protein, Human, Recombinant (hFc)

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