cd4 t cells

Super-chelating agent& MRI contrast agent

4'-alpha-C-Allyl-2',3'-bis(O-t-butyldimethylsilyl)uridine is a Nucleoside Derivative - 4'-Modified nucleoside; Protected nucleoside w/NH2/OH open.

1,4-Anhydro-2,3-O-isopropylidene-5-O-t-butyldiphenylsilyl-4-thio-D-ribitol is a Carbohydrate Derivative.

(2S,3S)-N-t-Boc-3-amino-1,2-epoxy-4-phenylbutane is a useful organic compound for research related to life sciences. The catalog number is T66307 and the CAS number is 98737-29-2.

Nucleoside Derivative –4’-Modified nucleosides; Protected nucleosides with NH2/OH group

t-Butyl (3R,5S)-7-[2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl]-3,5-isopropylidenedioxy-6-heptenoate is a useful organic compound for research related to life sciences. The catalog number is T66069 and the CAS number is 147489-06-3.

2',3'-Bis(O-t-butyldimethylsilyl)-4',5'-Didehydro-5'-deoxyuridine is a Nucleoside Derivative - 5'-Modified nucleoside, Didehydro-nucleoside.

Nucleoside Derivatives - 7-Deaza-purine nucleoside; Halo-nucleoside; Scaffolds and Template

3'-O-t-Bulyldimethylsilyl-4'-C-hydroxymethylthymidine is a Nucleoside Derivative - 4'-Modified nucleoside.

3',5'-Bis(O-t-butyldimethylsilyl)-4'-C-hydroxymethyl thymidine is a Nucleoside Derivative - 4'-Modified nucleoside; Protected nucleoside w/NH2/OH open.

Nucleoside Derivatives - 4’-Modified nucleosides; Azido nucleosides; Protected nucleosides w/NH2/OH open

Anisperimus (LF 15-0195) is an immunosuppressant that enhances activation-induced T-cell death by promoting caspase-8 and caspase-10 activation at the DISC level, and prevents CNS autoimmunity by promoting the development of Foxp3-expressing regulatory CD4 T cells.

L-Leucyl-L-Leucine methyl ester hydrochloride (Leu-Leu-ome hydrochloride) is a lysosomal condensation product that cytotoxic towards natural killer cells and CD4+ and CD8+ T lymphocytes.

ML-209 is an antagonist of retinoic acid receptor-related orphan receptor γt (RORγt; IC50= 1.1 μM in a reporter assay).1It inhibits RORγt-induced transcription in HEK293T cells expressing the human receptor (IC50= 300 nM). ML-209 inhibits RORγt-dependent differentiation of isolated na?ve cord blood human CD4+T cells into Th17 T helper cells.

Benzoylmesaconine (Mesaconine 14-benzoate) is the most abundant component of Wutou decoction, which is widely used in China because of its therapeutic effect on rheumatoid arthritis. Benzoylmesconine has analgesic activity. Benzoylmesconine may improve the resistance of T6S-mice (or thermally injured mice) to the infection of HSV-1, through the induction of antagonistic CD4+ T cells against burn-associated type-2 T cells.

Ethyl Caffeate (ETHYL 3,4-DIHYDROXYCINNAMATE) suppressed the differentiation of naive CD4+ T cells into Th1 in vitro. Furthermore, Ethyl Caffeate intensely blocked the transcriptional expression in interferon-γ-related signaling, including IFN-γ, T-bet, STAT1, and STAT4.

Ferrichrome (iron-free) is a hydroxamate siderophore produced by various fungi (including U. sphaerogena) that facilitates iron chelation and uptake by these organisms and is also used by bacteria as a heterologous siderophore , including Pseudomonas aeruginosa and Vibrio parahaemolyticus. Ferrichrome (iron-free) (0.8 μM) inhibits concanavalin A-induced proliferation of mouse splenic monocytes and reduces the number of concanavalin A-stimulated CD4+ T cells. It also inhibits heme-catalyzed oxidation of LDL by hydrogen peroxide in a concentration-dependent manner.

RDN2150 (Compound 25), a ZAP-70 inhibitor with an IC50 of 14.6 nM, covalently binds to the C346 residue of ZAP-70, suppressing the expression of CD25 and CD69 and inhibiting the activation of CD4+ T cells, making it suitable for psoriasis research [1].

CFP10 (71–85) is an immunologically active peptide that induces IFN-γ production and cytotoxic T lymphocyte (CTL) activity in CD4+ and CD8+ T cells from individuals with diverse MHC class II and I expression profiles.

Priliximab (CEN 000029), an anti-CD4 humanized monoclonal antibody, binds to CD4 receptors on T cells, leading to a significant and sustained decrease in circulating CD4+ T cells. This property renders it useful in the study of rheumatoid arthritis (RA) [1].

Temsavir (BMS626529) is a novel attachment inhibitor that targets HIV-1 gp120 and prevents its binding to CD4+ T cells.

S1PL-IN-31 is a dual-function chemical compound acting as an inhibitor of sphingosine-1-phosphate (S1P) lyase with an IC50 value of 210 nM and as an antagonist of the Smoothened (Smo) receptor with an IC50 of 440 nM. Demonstrating therapeutic potential, this compound, at a dosage of 2 mg/kg per day, effectively mitigates cervical and thoracic lymphocyte infiltration and neuromuscular weakness in rats suffering from experimental autoimmune encephalomyelitis (EAE), a condition triggered by the MOG29-152 peptide from myelin oligodendrocyte glycoprotein. Additionally, it significantly decreases the total lymphocyte count, including reductions in subsets of CD4+ T cells, CD8+ T cells, and B cells. At a higher dosage of 100 mg/kg, S1PL-IN-31 elevates S1P levels within the heart and lymph nodes, while doses of 3 and 10 mg/kg per day notably lower heart rates in female rats, showcasing its multifaceted biological impacts and potential for clinical application.

ARN-6039 is an orally available inverse agonist of RORγ for Autoimmune Neuroinflammatory Demyelinating Disease. The activity of ARN-6039 against RORγ was demonstrated in a RORγ-activated IL-17A Prom/LUCPorter assay in HEK 293 cells (360 nM) and in IL-17 r

NY-ESO-1 (87-111) is a pan-MHC class II-restricted peptide that interacts with various HLA-DR and HLA-DP4 molecules, inducing activation of CD4+ T cells with Th1-type and Th-2/Th0-type responses, when presented in conjunction with HLA-DR and HLA-DP4 molecules.

Flavipin, an aryl hydrocarbon receptor (Ahr) agonist, activates Ahr downstream gene expression in mouse CD4+ T cells and CD11b+ macrophages. This compound disrupts the stabilizing effect of Arid5a on the newly identified target mRNA, Il23a 3′UTR. Additionally, Flavipin demonstrates significant antioxidant properties, evidenced by its DPPH free radical scavenging capability with an IC50 value of 7.2 μM, and exhibits potent α-glucosidase inhibitory activity with an IC50 value of 33.8 μM.

Naringenin chalcone (Isosalipurpol) has antiallergic activity Naringenin chalcone suppresses asthmatic symptoms by inhibiting Th2 cytokine production from CD4 T cells. Naringenin chalcone is a potent tomato flavonoid that improves adipocyte metabolic functions and exerts insulin-sensitizing effects by activating an adiponectin-related pathway. Naringenin chalcone exhibits anti-inflammatory properties by inhibiting the production of proinflammatory cytokines in the interaction between adipocytes and macrophages, may be useful for ameliorating the inflammatory changes in obese adipose tissue.

Tregalizumab, a humanized IgG1-type monoclonal antibody targeting CD4, selectively activates regulatory T cells (Tregs) with suppressive functions in vitro and has potential applications in researching autoimmune diseases (due to inadequate Treg activity) and allergies [1] [2] [3].

CAY10774 is an inhibitor of the protein-protein interaction between programmed cell death 1 (PD-1) and its ligand PD-L1 (IC50= 15 nM in a homologous time-resolved fret (HTRF) assay).1It increases the activation of Jurkat cells expressing PD-1 in co-culture with artificial antigen-presenting cells (aAPCs) expressing PD-L1 (EC50= 6.6 μM in a reporter assay). CAY10774 increases surface expression of PD-1 on primary human CD4+and CD8+T cells co-cultured with aAPCs. 1.Konieczny, M., Musielak, B., Kocik, J., et al.Di-bromo-based small-molecule inhibitors of the PD-1/PD-L1 immune checkpointJ. Med. Chem.63(19)11271-11285(2020)

7β,27-dihydroxy Cholesterol is an oxysterol and agonist of retinoic acid receptor-related orphan receptor γ (RORγ) and RORγt. [1] It activates RORγ- or RORγt-dependent signaling with EC50 values of 691 and 1,045 nM, respectively, in reporter assays using HEK293T cells expressing the recombinant human receptors. 7β,27-dihydroxy Cholesterol is selective for RORγ and RORγt over a panel of eight additional nuclear receptors at 30 µM. It increases IL-17A production in Th17-polarized isolated human na ve CD4+ T cells when used at a concentration of 300 nM. 7β,27-dihydroxy Cholesterol (60 mg/kg) increases IL-17A production in isolated mouse γδ T cells stimulated with 12-myristate 13-acetate and ionomycin .

Indinavir sulfate (L735524 sulfate) is a HIV protease inhibitor.It inhibits the HIV-1 protease with an IC50 value of 0.41 nM and Ki value of 0.24 nM.

BI8626 is a ubiquitin ligase HUWE1 inhibitor with protective effects against spontaneous desiccation syndrome in NOD/ShiLtj mice.BI8626 inhibits intracellular cholesterol and decreases the expression of phosphorylated ZAP-70, CD25, and other activation markers, and inhibits the proliferation of CD4 T-cells.

Rp-dGTPαS, an enantiomer of the dNTPαS nucleotide, serves as the substrate for SAMHD1, a critical regulator of cellular dNTP levels that curtails the replication of viruses (HIV-1, etc.) in CD4+ myeloid lineage and resting T cells. The SAMHD1 tetrameric complex facilitates the hydrolysis of Rp-dGQTPαS into 2'-deoxynucleosides and triphosphates [1].

JNJ-61803534 is a potent, orally active RORγt inverse agonist, demonstrating anti-inflammatory activity through inhibition of IL-17A production in human CD4+ T cells under Th17 differentiation conditions, with an IC50 of 9.6 nM.

ODN 2216 is a TLR9 (toll-like receptor 9) ligand or agonist that induces the production of large amounts of IFN-α and IFN-β. ODN 2216 can induce IFN-α using pDC (plasma cell-like DC) and IL-12 (p40) using DC (dendritic cells). ODN 2216 is capable of indirectly stimulating IFN-γ production by peripheral blood mononuclear cells (PBMC), mediated by IFN-α/β. ODN 2216 activates NK cells and induces IFN-γ production by TCR-triggered CD4+ T cells.

Fostemsavir Tris (BMS-663068 Tris) is the prodrug of BMS-626529,is a oral, safe and effective inhibitor of HIV-1 attachment. It inhibits human immunodeficiency virus type 1 (HIV-1) infection by binding to gp120 and interfering with the attachment of virus to CD4+ T-cells.

Ivuxolimab, an OX40 (also known as CD134; TNFRSF4) agonist monoclonal antibody, targets a costimulatory receptor found on activated CD4+ and CD8+ T cells. It demonstrates antitumor properties and may exhibit immunostimulatory activity [1].

TPP-1, a peptide inhibitor, targets the interaction between programmed cell death protein 1 (PD-1) and its ligand (PD-L1), binding specifically to PD-L1 with a dissociation constant (Kd) of 94.67 nM. At a concentration of 20 µM, TPP-1 effectively counteracts the PD-L1-induced suppression of IFN-γ production in anti-CD3-stimulated isolated human CD4+ T cells. Furthermore, TPP-1 demonstrates significant efficacy in reducing tumor volume in a mouse xenograft model of HL-60 leukemia. This model involved HL-60 cells co-cultured with anti-CD3-activated isolated human CD4+ T cells, with TPP-1 administration at a dosage of 4 mg/kg showing notable antitumor activity.

HOXB7 (8-25), a peptide fragment derived from homeobox B7 (HOXB7)—a key controller of cell growth and oncogene activator—facilitates antigen presentation when pulsed onto dendritic cells obtained from human peripheral blood mononuclear cells (PBMCs). This process promotes the activation and interferon-gamma (IFN-γ) production by CD4+ helper T cells, triggering targeted and broad-spectrum antitumor responses.

AKP-11 is a sphingosine-1-phosphate receptor 1 (S1P1) agonist with an EC50 of 0.047 μM for [35S]GTPγS binding to CHO-K1 cell membranes expressing human S1P1. It reduces S1P1 surface expression and enhances Akt and ERK phosphorylation in CHO cells with S1P1-HA at a 100 nM concentration. At doses of 1.3 and 3 mg/kg, AKP-11 lowers IFN-γ and IL-17 protein levels in the spinal cord and mitigates disease severity in a rat experimental autoimmune encephalomyelitis (EAE) model. Additionally, it decreases peripheral total lymphocyte and specific T cell subsets (CD4+, CD8+, and CD26L+ T cells) counts in both EAE rats and healthy controls at a 1.3 mg/kg dosage.

Feglymycin is a 13-amino acid peptide originally isolated from Streptomyces that has antibacterial and antiviral activities. It is active against Gram-positive bacteria (MICs = 32-64 μg/ml) and inhibits HIV viral replication in H9 cells (IC50 = ~5 μM). Feglymycin is also active against clinical isolates of HIV-1 from clades A-D, A/E, and G (EC50s = 0.5-6.7 μM). It interacts with gp120 and inhibits HIV-1 NL4.3 binding to human soluble CD4 (EC50 = 4.4 μM) and to CD4+ SupT1 T cells by 74.5% when used at a concentration of 10.5 μM. Feglymycin inhibits the E. coli peptidoglycan biosynthesis enzymes MurA and MurC (Kis = 3.4 and 0.3 μM, respectively) in a noncompetitive manner.

Prostratin, a protein kinase C activator, has been shown to exhibit promising therapeutic potential against other diseases such as cancer and Alzheimer's disease. Prostratin has the potential to be useful in the treatment of HIV as it could flush viral re