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ICOS ligand Protein, Human, Recombinant (hFc)

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ICOS ligand Protein, Human, Recombinant (hFc)

Catalog No. TMPY-03525

ICOS ligand Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 53.7 kDa and the accession number is O75144-1.

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Pack Size	Price	Availability	Quantity
100 μg	$498	7-10 days
1 mg	$3,910	7-10 days

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Biological Description

Biological Information	Immobilized Recombinant Human ICOS Ligand / B7-H2 / ICOSLG Protein (Fc Tag) at 2 μg/ml (100 μl/well) can bind Recombinant Human ICOS / AILIM / CD278 Protein (His & Fc Tag), the EC50 is 8-30 ng/mL.
Description	ICOS ligand Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 53.7 kDa and the accession number is O75144-1.
Species	Human
Expression System	HEK293 Cells
Tag	C-hFc
Accession Number	O75144-1
Synonyms	inducible T-cell co-stimulator ligand,ICOS ligand,CD275,B7H2,ICOS-L,B7-h2,B7RP1,ICOSL,GL50,LICOS,B7RP-1,ICOSLG
Construction	The Human ICOSLG (O75144-1) (Met1-Ser258) was expressed with the Fc region of Human IgG1 at the C-terminus.
Protein Purity	> 95 % as determined by SDS-PAGE
Molecular Weight	53.7 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, pH 7.4. 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°C. For reconstituted protein solutions, 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	Inducible co-stimulator ligand (ICOSL), also known as B7-H2, is a member of the B7 family of co-stimulatory molecules related to B7-1 and B7-2. It is a transmembrane glycoprotein with extracellular IgV and IgC domains and binds to ICOS on activated T cells, thus delivers a positive costimulatory signal for optimal T cell function. The structural features of ICOSL are crucial for its costimulatory function. The present study shows that ICOSL displays a marked oligomerization potential, resembling more like B7-1 than B7-2. B7-H2-dependent signaling may play an active role in a proliferative response rather than in cytokine and chemokine production. The CD28/B7 and ICOS/B7-H2 pathways are both critical for costimulating T cell immune responses. Deficiency in either pathway results in defective T cell activation, cytokine production, and germinal center formation.Cancer ImmunotherapyCo-stimulatory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint Detection: AntibodiesImmune Checkpoint Detection: ELISA AntibodiesImmune Checkpoint Detection: FCM AntibodiesImmune Checkpoint Detection: WB AntibodiesImmune Checkpoint TargetsImmunotherapyTargeted Therapy