p38 MAPK Activator

Nodularin is a hepatotoxin, tumor promoter, and protein phosphatase inhibitor. Nodularin induces apoptosis (apoptosis) in normal cells (including caspase activation, upregulation of Bcl-XS, and upregulation of BAX/P53), triggers hyperphosphorylation of the MAPK/ERK, mTOR/S6K and p38 MAPK signaling pathways, and induces oxidative stress, endoplasmic reticulum membrane instability, peroxisome proliferation and increased lysosomal enzyme activity. Nodularin promotes DEN (HY-N7434)-initiated hepatocyte proliferation and adenoma formation, and inhibits proliferation, phagocytosis and chemotaxis of normal lymphocytes, oocyte maturation and vitellogenesis, as well as angiogenesis. Nodularin exhibits hepatotoxicity, reproductive and endocrine toxicity, and embryonic developmental toxicity in various animal models. Nodularin can be used in studies related to liver cancer, hepatotoxicity and reproductive endocrine toxicity.

Skatole (Standard) is the analytical standard of Skatole. This product is intended for research and analytical applications. Skatole (3-methylindole) is a heterocyclic compound naturally found in the feces of vertebrates and can be found in certain plants. Skatole can be produced by intestinal bacteria, inducing apoptosis of intestinal epithelial cells through activating aryl hydrocarbon receptors (AhR) and p38. Skatole has been used in specific products of the perfume industry or as a flavor additive in ice cream.

Antifungal agent 18 is an antifungal agent. Antifungal agent 18 shows a broad-spectrum antifungal activity against major human fungal pathogens. Antifungal agent 18 compromises fungal cell wall integrity by targeting the unfolded protein response (UPR), calcineurin, and MAPK pathways. Antifungal agent 18 shows antifungal activity in virto and vivo. Antifungal agent 18 can be used for the research of invasive fungal pathogens and cutaneous dermatophytes.

PROTAC HPK1 Degrader-3 is an orally active, PROTAC degrader that selectively targets HPK1, with a DC₅₀ of 21.26 nM. PROTAC HPK1 Degrader-3 induces HPK1 degradation via the ubiquitin-proteasome system and forms a stable ternary complex with HPK1 and CRBN. It inhibits the SLP76 and NF-κB signaling pathways, enhances MAPK signal transduction, reverses the immunosuppressive factor-mediated inhibition of T cell cytokine secretion, and promotes the secretion of T cell immune cytokines. PROTAC HPK1 Degrader-3 suppresses tumor growth and enhances anti-PD-L1-mediated antitumor activity. It can be used in studies related to malignant tumors, such as colorectal cancer.

Link N peptide is a proteoglycan aggregates activator in the extracellular matrix. Link N peptide can selectively activate the p38 mitogen-activated protein kinase (MAPK) pathway to promote the expression of type I and II collagens in human intervertebral disc cells. Link N peptide is promising for research of intervertebral disc degeneration-related diseases.

Dehydrocorydaline nitrate (13-Methylpalmatine nitrate) is an alkaloid. Dehydrocorydaline regulates protein expression of Bax, Bcl-2; activates caspase-7, caspase-8, and inactivates PARP. Dehydrocorydaline nitrate elevates p38 MAPK activation. Anti-inflammatory and anti-cancer activities.. Dehydrocorydaline nitrate shows strong anti-malarial effects (IC₅₀ =38 nM), and low cytotoxicity (cell viability > 90%) using P. falciparum 3D7 strain.

Nitrovin (Difurazon) hydrochloride is an orally active inhibitor of thioredoxin reductase 1 (TrxR1) with both antibacterial and anticancer activities. Nitrovin hydrochloride induces ROS generation and endoplasmic reticulum stress by targeting and inhibiting TrxR1, which in turn induces cytoplasmic vacuolation, activates MAPK, and inhibits Alix. Nitrovin hydrochloride induces paraptosis-like non-apoptotic cell death, thereby exerting significant cytotoxicity against cancer cells. Nitrovin hydrochloride is used for research on glioblastoma, liver cancer, and bacterial infections.

IS20 is a Prokineticin receptor 1 (PKR1) agonist. IS20 diminishes Doxorubicin (HY-15142A) mediated apoptosis and ROS production by activating Akt or MAPK pathways. IS20 protects the heart against Doxorubicin-induced cardiovascular toxicity and improves the survival rate and cardiac function in mouse models. IS20 does not alter the cytotoxicity and antitumor activity of acute DOX treatment in breast cancer cells and MDA-MB-231 xenograft mouse models. IS20 can be used for cancers research.

Q-Peptide is an angiopoietin-1 derived peptide (QHREDGS). Q-Peptide interacts with β1-integrin, binds to integrins on the surface of osteoblasts, and serves as an acyl donor substrate for Streptomyces mobaraensis transglutaminase. Q-Peptide activates Akt, MAPKp42/44, ILK, ERK1/2, and downregulates caspase-3/7. Q-Peptide inhibits cell apoptosis, enhances cell adhesion and migration, and promotes osteoblast differentiation, bone matrix deposition and mineralization. Q-Peptide can be used in studies related to myocardial infarction, bone regeneration, diabetic wound repair and human induced pluripotent stem cells.

Nickel(II) oxide (nickel monoxide) is a chemical warfare agent that can enter the body through the respiratory tract and other routes, distributing to organs such as the lungs and testes. The nanoparticle form of nickel(II) oxide (NiO NPs) exhibits antibacterial, anti-leishmanial, anti-diabetic, and anti-cancer activities. NiO NPs can be activated by ultraviolet and visible light, generating reactive oxygen species (ROS). Nickel(II) oxide induces oxidative stress by generating reactive oxygen species, activating the TGF-β1-mediated MAPK and PI3K/AKT pathways, disrupting the MMPs/TIMPs balance, and upregulating the expression of inflammatory factors (IL-1β, IL-6) and apoptosis-related molecules (Bax, caspase-3, p53), while inhibiting the activity of the anti-apoptotic molecule Bcl-2. Nickel(II) oxide induces cytotoxicity, promotes fibrosis, triggers inflammatory responses, and causes apoptosis. Nickel(II) oxide can be applied in research on the safety assessment of nanomaterials, such as in the context of pulmonary fibrosis and reproductive system toxicity.

ZEB85 is a human monoclonal antibody (mAb) targeting TrkB. ZEB85 activates TrkB and its downstream cascades, including the ERK, PLCγ, AKT, MAPK signaling pathways and cFOS expression, and enhances neuronal activity. ZEB85 prevents β-amyloid toxicity in cultured hippocampal neurons. ZEB85 is applicable to the research of Alzheimer's disease (AD).

Benzanthrone is an immunotoxic, pro-inflammatory Photosensitizer. Benzanthrone upregulates iNOS, COX-2 and inflammatory cytokines; activates ERK1/2, p38, JNK, AP-1 and NF-κB; inhibits Nrf2; and induces oxidative stress and DNA damage. Upon radiation exposure, Benzanthrone generates singlet oxygen and superoxide anion radicals, induces photohemolysis and lipid peroxidation, and alters the levels of skin xenobiotic enzymes. Benzanthrone exhibits differential genotoxicity in different cell lines. Benzanthrone possesses skin tumor-initiating and promoting activities. Benzanthrone can be used in skin tumor-related studies.

Fluazinam (Standard) is the analytical standard of Fluazinam (HY-B1839). This product is intended for research and analytical applications. Fluazinam is a broad spectrum pyridinamine fungal inhibitor. Fluazinam is an orally active dinitroaniline fungicide. Fluazinam induces phosphorylation of JNK, activates p38 pathway, decreases Bcl-2, activates caspase-3, decreases complex I activity, increases Autophagy and Apoptosis. Fluazinam has strong antifungal activity against F. fujikuroi and B. maydis. Fluazinam has a negative impact on Brachydanio rerio and worker bees.

L-Ornithine monohydrochloride,suitable for cell culture is a CaSR activator and p38 activator suitable for cell culture. L-Ornithine monohydrochloride,suitable for cell culture inhibits ROS and supports urea cycle function. L-Ornithine monohydrochloride,suitable for cell culture can be used to study kidney diseases involving proximal tubular cell damage caused by oxidative stress or crystallopathy, as well as research related to anxiety disorders.

RP-220 is a renalase peptide targeting NLRP3. RP220 has anti-inflammatory and anti-apoptotic activities. RP220 inhibits renal tubular epithelial cells apoptosis with alkaline insult by activating MAPK signaling pathway. RP220 significantly inhibits NLRP3 expression and reduces macrophage infiltration and kidney tissue damage in acute kidney injury (AKI) mice model. RP-220 can be uses for systemic lupus erythematosus (SLE) and its complication lupus nephritis (LN) research.

Isocryptotanshinone is a dual STAT3 and PTP1B (IC₅₀ = 56.1 μM) inhibitor. Isocryptotanshinone inhibits STAT3 by binding to the STAT3 SH2 domain to block phosphorylation and nuclear translocation^[1][2]. Isocryptotanshinone exerts its anti-proliferative effect via the induction of cell cycle arrest, apoptosis, and pro-death autophagy, through the regulation of STAT3, AKT/mTOR and MAPK signaling pathways. Isocryptotanshinone suppresses the xenograft gastric cancer (GC) tumor growth in BALB/c nude mice. Isocryptotanshinone can be used for cancer research, such as lung cancer, breast cancer and GC.

β-Zearalanol-d₄ is the deuterated-labeled β-Zearalenol (HY-N6741). β-Zearalenol is a zearalenone metabolite and Estrogen receptor binder (K_d = 0.406 nM) that induces apoptosis through activation of p53, JNK, and p38 kinases and the mitochondrial apoptosis pathway, while inhibiting CYP19A1 and inducing autophagy via SIRT1. β-Zearalenol is used in research on cardiotoxicity, mycotoxin-induced reproductive toxicity, and breast cancer.

IDB-001 is a human ribosomal peptidyl transferase center (PTC) inhibitor that induces conformational changes and blocks translational elongation in specific sequence contexts through complementary interactions with Asp/Glu residues in nascent polypeptides. IDB-001 preferentially stalls ribosomes at positions containing acidic peptide motifs, thereby inhibiting cancer cell proliferation, and activates the integrated stress response via eIF2α phosphorylation at high concentrations. In addition, IDB-001 mildly triggers ribotoxic stress responses through phosphorylation of JNK and p38. IDB-001 has been applied to mechanistic studies of triple-negative breast cancer.

7-Ketositosterol is an orally active inducer of apoptosis and ferroptosis. 7-Ketositosterol inhibits the phosphorylation of ERK1/2 and NF-κB, promotes the opening of the mitochondrial/apoptotic pathway, and induces ferroptosis in macrophages by increasing the levels of malondialdehyde, Fe²⁺ and ROS. 7-Ketositosterol upregulates the expression of gut microbiota-dependent PDLIM3, activates the p38MAPK/NF-κB signaling pathway, alters the composition of gut microbiota, increases the abundance of pathogenic bacteria, and exacerbates colitis in mice. 7-Ketositosterol can be used in studies related to breast cancer, liver cancer, and colitis.

Cyproheptadine hydrochloride sesquihydrate (Standard) is the analytical standard of Cyproheptadine hydrochloride sesquihydrate (HY-B1165). This product is intended for research and analytical applications. Cyproheptadine hydrochloride sesquihydrate acts as a p38 MAP kinase activator, CHK2 activator, histamine H1 receptor inhibitor and serotonin receptor inhibitor. Cyproheptadine hydrochloride sesquihydrate mediates cell cycle arrest via G1 phase arrest, G1/S transition arrest, G0/G1 phase arrest, reduced expression of cyclins D1/D2/D3, upregulated expression of HBP1, p16, p21, p27, and decreased phosphorylation of retinoblastoma protein. Cyproheptadine hydrochloride sesquihydrate induces Apoptosis by increasing PARP and cleaved PARP, as well as activating the mitochondrial caspase pathway. Cyproheptadine hydrochloride sesquihydrate inhibits tumor growth with extremely low toxicity to normal cells. Cyproheptadine hydrochloride sesquihydrate can be used in research related to hepatocellular carcinoma, multiple myeloma and acute myeloid leukemia.