il-15-in-1

IL-15-IN-1 is a selective and potent Interleukin 15 (IL-15) inhibitor, effectively inhibiting the proliferation of IL-15-dependent cells (IC50: 0.8 μM).

Nanrilkefusp alfa (SO-C101; SOT101), a fusion protein, serves as a powerful and selective agonist of the IL-15 and IL-15Rα sushi + domain. It promotes the proliferation and activation of memory CD8 + T cells, natural killer (NK) cells, γ δ T cells, and NKT cells to inhibit tumor growth. Nanrilkefusp alfa demonstrates remarkable anti-metastatic effects in melanoma and effectively suppresses tumor progression in various mouse tumor models [1] [2].

STING agonist-23 (CF502) is a non-nucleotide, small-molecule stimulator of the STING pathway. Upon activation, it enhances the phosphorylation of STING, TBK1, and IRF3, leading to elevated levels of IFN-β, IL-6, CXCL-10, TNF-α, ISG-15, and CCL-5 in tumor cells. Moreover, STING agonist-23 demonstrates efficacy against SARS-CoV series strains [1].

STING agonist-23 (CF505) is a non-nucleotide, small-molecule compound that stimulates STING, enhancing the phosphorylation of STING, TBK1, and IRF3. It elevates the production of IFN-β, IL-6, CXCL-10, TNF-α, ISG-15, and CCL-5 in tumor cells and demonstrates efficacy against SARS-CoV strains [1].

NLRP3-IN-15 is a potent, selective inhibitor of the NLRP3 inflammasome, demonstrating efficacy by inhibiting IL-1β (interleukin-1 beta) release with an IC50 value of 0.114 μM. This compound is utilized in the research of inflammation.

NLRP3 IN 70 (compound 15) exhibited the potent NLRP3 inhibitory activity, effectively suppressing IL-1β secretion in THP-1 (IC50 = 23 nM).

Givinostat (ITF-2357) is an HDAC inhibitor with IC50 values of 198 nM for HDAC1 and 157 nM for HDAC3.

STING agonist-23 (CF510) is a non-nucleotide, small-molecule activator of the STING pathway. It initiates the phosphorylation of STING, TBK1, and IRF3, enhancing the production of IFN-β, IL-6, CXCL-10, TNF-α, ISG-15, and CCL-5 in tumor cells. Notably, it demonstrates activity against SARS-CoV series strains [1].

F1, an anti-inflammatory peptide, incorporates the HIV-1 Tat protein transduction domain linked with a 15-amino acid sequence from residues 46-60 of the inhibitor of NF-κB kinase-interacting peptide (IKIP). It effectively blocks LPS-induced phosphorylation of IκB kinase α (IKKα) and IKKβ, along with the nuclear translocation of NF-κB (p65) in mouse peritoneal macrophages at 5 µM concentration. F1, administered at 5 mg/kg in vivo, significantly reduces IL-6, TNF-α, and IL-1β serum levels and enhances survival in a mouse sepsis model induced by LPS.

STING agonist-23 (CF508), a non-nucleotide small-molecule STING agonist, activates STING, thereby enhancing the phosphorylation of STING, TBK1, and IRF3. This activation elevates the production of IFN-β, IL-6, CXCL-10, TNF-α, ISG-15, and CCL-5 in tumor cells. Moreover, STING agonist-23 demonstrates efficacy against SARS-CoV series strains [1].

PDE1-IN-5 (Compound 10c) is a selective PDE1C inhibitor with an IC50 of 15 nM, exhibiting anti-inflammatory properties through the inhibition of iNOS, TNF-α, IL-1α, IL-1β, and IL-6 expression induced by LPS. It has demonstrated efficacy in mitigating inflammatory bowel disease (IBD) symptoms in a dextran sodium sulfate (DSS)-induced colitis mouse model, suggesting its potential utility for IBD research [1].

COX-2 15-LOX-IN-4 (compound 5i) is a dual inhibitor with IC50 values of 0.075 μM for COX-2 and 1.97 μM for 15-LOX. It inhibits LPS-induced production of pro-inflammatory cytokines (IL-6, ROS) and exhibits targeted anti-inflammatory effects [1].

Inbakicept is a dimer of IL-15 receptor alpha sushi domain and immunoglobulin G1 (human Fc fragment) fusion protein, which is an IL-15 super agonist protein complex. Inbakicept binds to IL-15 antibody Nogapendekin alfa to form the complex Nogapendekin alfa inbakicept (ALT-803) in a 1:2 ratio. ALT-803 has potential anticancer and anti-tumor activities, which can be used to study breast cancer.

Benpyrine is a highly specific and orally active TNF-α inhibitor with a KD value of 82.1 μM and an IC50 value of 0.109 μM. It tightly binds to TNF-α, blocking its interaction with TNFR1, and has potential for TNF-α mediated inflammatory and autoimmune disease research [1].

HMGB1-IN-2 (compound 15) is a selective inhibitor of the highly conserved nuclear protein HMGB1, showing no inhibitory effect at an IC50 of 20.2 μM in RAW264.7 cells. At 30 μM, it reduces IL-1β, TNF-α, and caspase-1 p20 levels, inhibits NF-κB p65 phosphorylation, and provides anti-apoptotic effects. In vivo, 15 mg kg of HMGB1-IN-2 administered intraperitoneally alleviates kidney injury in a mouse model of septic acute kidney injury. Additionally, it inhibits Huh7 and A549 cells with IC50 values of 77.0 μM and 82.0 μM, respectively [1].

β-Carboline-1-carboxylic acid is an alkaloid that has been found in P. quassioides and has diverse biological activities. It reduces LPS-induced increases in MCP-1, TNF-α, IL-6, and IL-1β levels in RAW 264.7 cells when used at a concentration of 15 µg ml and inhibits the epithelial-to-mesenchymal transition (EMT) induced by TGF-β1 in A549 cells. β-Carboline-1-carboxylic acid induces cytotoxicity in CT26.WT, K562, and SGC-7901 cells (IC50s = 14.96, 22.11, and 19.7 µg ml, respectively) but not HepG2 or A549 cells (IC50s = 36.41 and 41.51 µg ml, respectively). It also inhibits cAMP phosphodiesterase with an IC50 value of 96 µM.

Anti-inflammatory agent 15 (compound 29) is a potent antimycobacterial agent used in tuberculosis (TB) research, inhibiting the growth of Mtb H37Rv and M299 with MIC50 values of 2.3 and 7.8 μM, respectively. This compound also suppresses the expression of iNOS, thereby inhibiting NO, TNF-α, and IL-1β production [1].

STING agonist-24 (CF504), a non-nucleotide small-molecule STING agonist, activates STING, leading to increased phosphorylation of STING, TBK1, and IRF3. It elevates levels of IFN-β, IL-6, CXCL-10, TNF-α, ISG-15, and CCL-5 in tumor cells, demonstrating activity against SARS-CoV series strains [1].

LL-37 is a cationic and α-helical antimicrobial peptide expressed in human bone marrow, testis, granulocytes, and gingival epithelium and is upregulated in psoriatic lesions. It inhibits growth of Gram-positive E. coli D21 and Gram-negative B. megatarium in a concentration-dependent manner and LL-37 expression is induced in A549 epithelial cells, alveolar macrophages, neutrophils, and monocyte-derived macrophages following M. tuberculosis infection. LL-37 binds sheep erythrocytes coated with S. minnesota Re-LPS and induces agglutination with a minimal agglutinating concentration (MAC) of 12.1 μg/ml. It is a chemoattractant for, and can induce calcium mobilization in, human monocytes, neutrophils, and T cells that naturally express formyl peptide receptor-like 1 (FPRL1) and FPRL1-transfected HEK293 cells. LL-37 (10-15 μM) pretreatment of dengue virus type 2 (DENV-2) reduces its infectivity as well as levels of viral genomic RNA and NS1 antigen. In vivo, LL-37 inhibits cecal ligation and puncture-induced caspase-1 activation and pyroptosis of peritoneal macrophages, reduces levels of the inflammatory cytokines IL-1β, IL-6, and TNF-α, and improves survival in polybacterial septic mice.

COX-2 15-LOX-IN-3 (compound 5k) is a dual inhibitor of COX-2 and 15-LOX with inhibitory concentrations (IC50) of 0.075 μM and 1.97 μM, respectively. This compound effectively suppresses LPS-induced production of pro-inflammatory cytokines (IL-6, ROS, and NO), exhibiting targeted anti-inflammatory effects [1].

JAK-IN-24, a JAK inhibitor, exhibits IC50 values of 0.534 nM and 24 nM in the presence of 4 μM and 1 mM ATP, respectively. Additionally, it effectively inhibits STAT5 phosphorylation induced by PBMC IL-15 with an IC50 of 86.171 nM.

NEK7-IN-1 (Compound I-15) is an inhibitor of NIMA-related kinase 7 (NEK7) with an IC50 of less than 100 nM. It also effectively inhibits the release of IL-1β, exhibiting an IC50 of less than 50 nM.