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As opposed to inhibitory pathways that attenuate the immune system, co-stimulatory molecules augment immunological responses against malignant cells. Malignant cells often inhibit co-stimulatory pathways to promote tumor genesis. As stimulatory checkpoint molecules, such as OX40, GITR, ICOS, 4-1BB and CD40, play key roles in regulating the effector functions of T cells, activating co-stimulatory pathways may improve checkpoint inhibition efficacy, and lead to durable antitumor responses.
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in mouse, cleaved into 2 chains of membrane form (1-260 a.a.) and soluble form (112-260 a.a.) which serves as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Mouse (HEK293, His) has a total length of 149 amino acids (M112-L260), is expressed in HEK392 cells with N-terminal 6*His-tag.
Poliovirus Receptor; Nectin-Like Protein 5; NECL-5; CD155; PVR; PVS
Human
HEK293
PVR/CD155 Protein, Human (HEK293, His) is a recombinant Human PVR expressed in HEK 293 cells with a His tag at the N-terminus. PVR, Human plays a role in cancer cell invasion and migration.
B-lymphocyte activation marker BLAST-1 BCM1 surface antigen; Leukocyte antigen MEM-102; SLAM family member 2; SLAMF2; Signaling lymphocytic activation molecule 2; TCT.1; CD48; BCM1; BLAST1;
Human
HEK293
SLAMF2/CD48 protein is a GPI-anchored glycoprotein that regulates immune cell function by interacting with CD2 and CD244. SLAMF2/CD48 Protein, Human (HEK293, hFc) is the recombinant human-derived SLAMF2/CD48 protein, expressed by HEK293 , with C-hFc labeled tag.
The CD80 protein plays a key role in T lymphocyte activation, promoting proliferation and cytokine production through CD28 binding. In contrast, interaction with CTLA-4 inhibits T cell activation. B7-1/CD80 Protein, Human (HEK293, His) is the recombinant human-derived B7-1/CD80 protein, expressed by HEK293 , with C-6*His labeled tag.
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in human, cleaved into 2 chains of membrane form (1-261 a.a.) and soluble form (113-261 a.a.) which serves as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Human (HEK293, hFc-Flag) has a total length of 248 amino acids (M13-L261), is expressed in HEK392 cells with N-terminal hFc- and Flag-tag.
The CD28 protein is critical for T cell activation, enhancing proliferation, cytokine production, and survival. When linked to TCR/CD3 and CD40L, CD28 promotes the production of IL4 and IL10, thereby regulating immune responses. CD28 Protein, Human/Cynomolgus/Rhesus Macaque (Biotinylated, HEK293, Fc-Avi) is the recombinant human, cynomolgus-derived CD28 protein, expressed by HEK293 , with C-Avi, C-hFc labeled tag.
B7-H6, a distinctive monomeric protein, uniquely triggers NCR3-dependent natural killer (NK) cell activation, specifically interacting with NCR3 while avoiding engagement with other NK cell-activating receptors (NCR1, NCR2, and KLRK1). This specificity underscores B7-H6's unique role in initiating NK cell responses through the NCR3 pathway within the intricate network of NK cell activation mechanisms. B7-H6 Protein, Human (HEK293, Fc) is the recombinant human-derived B7-H6 protein, expressed by HEK293 , with C-hFc labeled tag.
CD200 Protein stimulates T-cell proliferation and regulates myeloid cell activity in tissues. It interacts with CD200R1 through their Ig-like domains, indicating its role in immune response modulation and maintaining cellular homeostasis. CD200 Protein, Human (HEK293, Fc) is the recombinant human-derived CD200 protein, expressed by HEK293 , with C-hFc labeled tag.
CD200 protein functions as a costimulator of T-cell proliferation and is implicated in the potential regulation of myeloid cell activity across various tissues.Through their N-terminal Ig-like domains, CD200 interacts with CD200R1, establishing a molecular interaction that likely contributes to the modulation of immune responses and cellular activities.CD200 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD200 protein, expressed by HEK293 , with C-His labeled tag.
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in human, cleaved into 2 chains of membrane form (1-261 a.a.) and soluble form (113-261 a.a.) which serves as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Human (His) has a total length of 144 amino acids (E108-L261), is expressed in E. coli cells with C-terminal His-tag.
4-1BB (CD137; TNFRSF9), a receptor of TNFSF9/4-1BBL, belongs to the tumor necrosis factor (TNF) receptor superfamily. 4-1BB is helpful for T cell activation and development, and also induces peripheral mononuclear cell proliferation and migration to the tumor microenvironment. 4-1BB is also involved in enhancing Nrf2 and NF-κB pathway mediated apoptosis of endothelial cells. Human 4-1BB protein is a surface glycoprotein with a transmembrane domain (187-213 a.a.). 4-1BB/TNFRSF9 Protein, Human (CHO, Fc) is the extracellular part (L24-Q186) of 4-1BB protein, produced by HEK293 cells with C-terminal hFc-tag.
rHuB7-1/CD80, Fc Chimera; BB1; CD28LG; CD28LG1; LAB7
Human
HEK293
B7-1/CD80 Protein, Human (HEK293, Fc) is a polypeptide chain with the C-termimal human IgG1 Fc fragment produced in HEK293 cells. CD80 is a costimulatory molecule known for its role in T-cell activation and also in regulating normal and malignant B cellsactivity.
rHuB7-H2/ICOSLG, Fc Chimera; B7 homolog 2; B7RP-1; CD275
Human
HEK293
B7-H2/ICOSLG Protein, Human (HEK293, Fc) is a polypeptide chain containing the C-termimal human IgG1 Fc fragment produced in HEK293 cells. ICOSLG is a number of the B7 family of co-stimulatory molecules.
B7-H2/ICOSLG Protein, Human (HEK293, His) is a polypeptide chain containing the C-termimal His tag produced in HEK293 cells. ICOSLG is a number of the B7 family of co-stimulatory molecules.
Nectin-2/CD112 protein has dual roles in T-cell signaling: as a costimulator with CD226, promoting proliferation and cytokine production, and as a coinhibitor with PVRIG, inhibiting proliferation. It also acts as a cell adhesion protein and a receptor for certain viruses. Nectin-2/CD112 Protein, Human (HEK293) is the recombinant human-derived Nectin-2/CD112 protein, expressed by HEK293 , with tag free.
Poliovirus receptor; Nectin-like protein 5; NECL-5; CD155; PVR; PVS
Human
HEK293
The PVR/CD155 protein plays a key role in initiating natural killer (NK) cell effector functions by binding to CD96 and CD226 receptors. These interactions form mature immune synapses that trigger adhesion, lytic granule secretion, interferon-γ (IFN-γ), and cytotoxicity of activated NK cells. PVR/CD155 Protein, Human (HEK293) is the recombinant human-derived PVR/CD155 protein, expressed by HEK293 , with tag free.
CD200R1 protein inhibits inflammatory responses by binding to CD200/OX2 cell surface glycoprotein and suppressing pro-inflammatory molecule expression. CD200R1 interacts with CD200 through their N-terminal Ig-like domains, providing a molecular mechanism for its role in regulating inflammation. CD200R1 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD200R1 protein, expressed by HEK293 , with C-His, C-6*His labeled tag.
B7-H6 Protein, Human (HEK293, His) suppresses the initiation of the “caspase cascade” and induces anti-apoptosis by STAT3 pathway activation to provoke tumorigenesis.
The CD200R1 protein is an inhibitory receptor that regulates key interactions by binding to the CD200/OX2 glycoprotein to limit inflammation by inhibiting TNF-α, interferon, and iNOS. Interestingly, CD200R1 displays comparable affinity and kinetics to the human herpesvirus 8 K14 viral CD200 homologue, reflecting its host CD200 interaction. CD200R1 Protein, Human (HEK293, Fc) is the recombinant human-derived CD200R1 protein, expressed by HEK293 , with C-hFc labeled tag.
The CD200R1 protein is an inhibitory receptor that regulates key interactions by binding to the CD200/OX2 glycoprotein to limit inflammation by inhibiting TNF-α, interferon, and iNOS. Interestingly, CD200R1 displays comparable affinity and kinetics to the human herpesvirus 8 K14 viral CD200 homologue, reflecting its host CD200 interaction. CD200R1 Protein, Human (Biotinylated, HEK293, His-Avi) is the recombinant human-derived CD200R1 protein, expressed by HEK293 , with C-Avi, C-His labeled tag.
