Hepatic Fibrosis

Dimethyl 2-oxoglutarate (Dimethyl α-ketoglutarate) is a cell-permeable derivative of 2-oxoglutarate and tricarboxylic acid cycle metabolite with antioxidant properties. Dimethyl 2-oxoglutarate inhibits Autophagy. Dimethyl 2-oxoglutarate prevents mitochondrial damage and reduces ROS production. Dimethyl 2-oxoglutarate alleviates Carbon tetrachloride (HY-Y0298)-induced liver fibrosis. Dimethyl-2-oxoglutaric acid can be used in the research of diseases such as Alzheimer's disease, diabetes, and cardiomyopathy.

Rehmannioside D is an orally active Sirt7 modulator. Rehmannioside D upregulates Sirt7 expression, inhibits the level of acetylated p53, and blocks the activation of the p53 signaling pathway. Rehmannioside D alleviates liver injury, inflammatory response, collagen deposition and hepatocyte apoptosis. Rehmannioside D is applicable to research related to liver fibrosis.

Carbenoxolone is a blood-brain barrier-permeable Pannexin1 inhibitor, gap junction (Gap junction) blocker, and β-amyloid 42 inhibitor. Carbenoxolone modulates voltage-gated currents of wild-type and mutant Panx1, and inhibits stimulus-activated Panx1 channel function. Carbenoxolone interacts with stable residues of β-amyloid 42 peptides, fibrils and oligomers, thereby inhibiting their aggregation. Carbenoxolone alleviates liver fibrosis. Carbenoxolone exerts neuroprotective and nootropic effects. Carbenoxolone can be used in studies related to Alzheimer's disease and liver fibrosis.

Methyl cholate is a bile acid analog and a specific inhibitor of TcdB toxin from Clostridioides difficile. Methyl cholate exerts a stronger selective inhibitory effect on TcdB than on TcdA. Methyl cholate induces conformational stabilization by binding to a unique site of TcdB, thereby blocking the binding of the toxin to host receptors and its self-processing process. Methyl cholate effectively protects human fibroblasts from TcdB-induced cytopathic effects. Methyl cholate exhibits dose-dependent anti-hepatic fibrosis activity in both cellular and zebrafish models, and significantly reduces the expression levels of α-SMA and COL-I. Methyl cholate is suitable for in-depth research in the fields of Clostridioides difficile infection and hepatic fibrosis.

Hirudin (54-65) is a thrombin antagonist and YAP suppressor with anticoagulatory properties.Hirudin (54-65) blocks thrombin's anion binding site, acts on soluble and thrombus-bound thrombin.Hirudin (54-65) suppresses thrombin-induced profibrotic YAP activity, reduces YAP expression, nuclear translocation, and downstream effector signaling in vascular endothelial cells.Hirudin (54-65) ameliorates obstructive cholestasis, attenuates liver fibrosis symptoms, fibrosis-associated angiogenesis, and endothelial-to-mesenchymal transition.Hirudin (54-65) reduces liver inflammation and tissue hypoxia.Hirudin (54-65) promotes extracellular calcium influx through L-type calcium channels in canine coronary artery smooth muscle, mediates contraction.Hirudin (54-65) induces endothelium-independent contraction of canine coronary arterial segments; this response is not affected by indomethacin pretreatment.Hirudin (54-65) can be used for the research of liver obstructive cholestasis, liver fibrosis.

Oxoglaucine (O-Methylatheroline) is a natural product with multiple activities including autophagy activation, anti-inflammation, antibacterial activity, and immunoregulation. Oxoglaucine inhibits the TRPV5/calmodulin/CAMK-II pathway, suppresses TGFβ-induced Smad2 phosphorylation by upregulating Smad7, blocks Ca²⁺ influx, activates autophagy, alleviates apoptosis and inflammation, inhibits ROS production and the expression of fibrosis markers in hepatocytes, and regulates immune cell populations and responses. Oxoglaucine protects against infections caused by Candida albicans and Klebsiella pneumoniae, and exerts effects on adjuvant-induced arthritis. Oxoglaucine can be used in studies related to arthritis, liver fibrosis, bacterial infections, and fungal infections.

Antifibrotic agent 3 is an orally active antifibrotic agent. Antifibrotic agent 3 reduces hepatic stellate cell activation by downregulating the expression of Collagen I and α-SMA. Antifibrotic agent 3 inhibits liver fibrosis in bile duct ligation and carbon tetrachloride-induced liver fibrosis models. Antifibrotic agent 3 can be used for the research of liver fibrosis.

LT-1339-553 is a selective, orally active RIPK1 inhibitor with IC₅₀ values of 4.32, 95.74 and 84.33 nM against RIPK1, RIPK2 and RIPK3, respectively. LT-1339-553 exerts anti-necroptotic activity by inhibiting the AKT/PI3K/NF-κB pathway and the IL-17 pathway. LT-1339-553 reduces liver injury, inflammatory responses and collagen deposition. LT-1339-553 can be used in studies related to schistosomiasis-induced liver fibrosis.

Notoginsenoside R2 (20(S)-Notoginsenoside R2; Ginsenoside Ng-R2) is an orally active notoginsenoside. Notoginsenoside R2 activates P90RSK and Nrf2 via the MEK1/2-ERK1/2 pathway to inhibit 6-OHDA-induced apoptotic damage in nerve cells. Notoginsenoside R2 upregulates SOX8/β-catenin by reducing miR-27a, thereby suppressing Aβ_25-35-induced neuronal apoptosis and inflammatory responses. Notoginsenoside R2 alleviates lipid accumulation and mitochondrial dysfunction in diabetic nephropathy by inhibiting c-Src. Notoginsenoside R2 alleviates hepatic fibrosis by inducing hepatic stellate cell senescence and inhibiting the inflammatory microenvironment via JAK/STAT3 suppression. Notoginsenoside R2 can be used in research related to Parkinson's disease, Alzheimer's disease, diabetic nephropathy and hepatic fibrosis.

SNT-5382 is a lysyl oxidase family (LOX) inhibitor and anti-fibrotic agent. SNT-5382 binds to the LTQ cofactor of LOXL2 and inhibits the enzymatic activities of LOXL3, LOXL4, LOXL1, CYP2C9, and CYP2C19. SNT-5382 reduces cardiac and liver fibrosis as well as collagen crosslinks, and improves cardiac function. SNT-5382 can be used for the research of heart failure, myocardial infarction, and nonalcoholic steatohepatitis-related liver fibrosis.

Gomisin D is an orally active lignan that binds to PDGFRβ with a K_d of 10 μM. By targeting PDGFRβ to regulate signaling pathways, Gomisin D inhibits the activation and proliferation of hepatic stellate cells and promotes their apoptosis, thereby ameliorating hepatic fibrosis. Gomisin D exhibits multiple activities such as photoprotection, antimelanogenesis, antioxidant effects, and hypoglycemic activity. Gomisin D can be used in studies related to diabetes, Alzheimer's disease, and hepatic fibrosis.

Methylophiopogonone A is a homoisoflavonoid compound found in the tuberous roots of Ophiopogon japonicus. Methylophiopogonone A inhibits lipopolysaccharide-induced NO production in mouse microglia with an IC₅₀ of 19.2 μM. Methylophiopogonone A blocks the proliferation of LX-2 hepatic stellate cells and downregulates TGF-β1-induced expressions of type I collagen and α-SMA. Methylophiopogonone A blocks RELA/EGFR-mediated hepatic stellate cell activation, inhibits the MAPK12 pathway to reduce extracellular matrix accumulation, and simultaneously suppresses inflammatory signal transduction. Methylophiopogonone A can be used in studies related to chronic hepatitis B-associated hepatic fibrosis and neuroinflammation.

Physalin B is an orally active anti-inflammatory and anticancer agent. Physalin B can be isolated from Physalis alkekengi L. var. Franchetii. Physalin B inhibits the activation of the NF-κB, NLRP3 inflammasome, STAT3, PI3K/Akt and Hedgehog signaling pathways, regulates the phosphorylation levels of GSK-3β, p38 MAPK, ERK1/2 and JNK, and promotes the nuclear translocation of NRF2. Physalin B reduces the levels of pro-inflammatory cytokines and factors, induces mitochondrial reactive oxygen species (mito-ROS) production, Apoptosis, G2/M cell cycle arrest and incomplete Autophagy, alters cytoskeleton structure and alleviates oxidative stress. Physalin B reduces cancer cell viability, ameliorates liver and lung tissue damage and alleviates liver fibrosis. Physalin B can be used in research related to ulcerative colitis, breast cancer, acute lung injury, colon cancer, non-alcoholic steatohepatitis, liver fibrosis, lung cancer, pancreatic cancer, lymphoma, ovarian cancer, sarcoma and leukemia.

Ezurpimtrostat (GNS561) is an orally active PPT1 inhibitor, autophagy inhibitor, immunomodulator, anti-inflammatory agent, and anticancer agent. Ezurpimtrostat inhibits PPT1, dysregulates lysosomal function, redistributes mTOR, and induces apoptosis. Ezurpimtrostat reduces IFN‑α, CRP, immune complex deposition, and SARS‑CoV‑2 viral load. Ezurpimtrostat can be used for the study of systemic lupus erythematosus, SARS‑CoV‑2, hepatocellular carcinoma, fibrosis, and related disorders.

β-Patchoulene is an orally active anti-inflammatory, antioxidant, and anti-apoptotic agent. β-Patchoulene inhibits the NF-κB, TLR4, and cAMP/PKA/CREB signaling pathways; activates the Sirt1/Nrf2 and AMPK signaling pathways; and targets Fas/FasL, Caspase-3, ERK1/2, ROCK1/MLC2 for inhibition. β-Patchoulene regulates cytokine secretion, inflammatory cell infiltration, lipid peroxidation, cell polarization, gut microbiota, and lipid metabolism, restores barrier function, mitochondrial function, and cell viability, and exhibits repellent activity against Spodoptera exigua larvae. β-Patchoulene can be used in research related to various inflammatory, ischemic, fibrosis-associated diseases, as well as hepatocellular carcinoma.

T2 peptide-1 is a linear peptide derived from Lumican degradation. T2 peptide-1 exhibits activity against endometrial adhesion progression and ability to inhibit the Lumican−Collagen I interaction. T2 peptide-1 can be used for the research of liver fibrosis.

C11 peptide-1 is an antifibrotic agent that binds directly to Collagen I. C11 peptide-1 physically disrupts Collagen I interaction with Lumican. C11 peptide-1 reduces inflammatory infiltration and inhibits the ERK1/2 and Smad2/3 signaling pathways. C11 peptide-1 can be used for the research of liver fibrosis.

MT16-001 is a cell-permeable UCHL1 inhibitor with an IC₅₀ value of 580 nM. MT16-001 also exhibits considerable inhibitory activity against USP30, and shows selectivity for other UCH family deubiquitinases (DUBs) as well as the broader proteome. MT16-001 binds covalently to the cysteine residue at the active site of UCHL1, and forms covalent interactions with ALDH2, ALDH9A1 and GATD3A in intact cells. Meanwhile, as a cytotoxic agent, it displays a steep dose-response curve in human embryonic kidney cells. MT16-001 can be used for research on various cancers, liver fibrosis and pulmonary fibrosis.

Colchicine derivative-1 is a colchicine derivative. Colchicine derivative-1 exhibits cytotoxicity against various cells. Colchicine derivative-1 arrests cancer cells at the G2/M phase of the cell cycle. Colchicine derivative-1 increases the levels of MMP-2, MMP-8, MMP-9, IL-2, IL-6, IL-17A, IL-22, IL-4, and IL-5 in the blood, inhibits the gene expression of hepatic fibrinogen α, β, γ and TGF-β1, and alleviates hepatic fibrosis symptoms in mice. Colchicine derivative-1 has antifibrotic activity and can be used in studies related to hepatic fibrosis.

PRDX1-IN-4 is a PRDX1 inhibitor with an IC₅₀ of 122 nM against human targets and high subtype selectivity. PRDX1-IN-4 covalently binds to PRDX1 to promote ROS accumulation. PRDX1-IN-4 inhibits NLRP3 inflammasome activation, blocks hepatic stellate cell activation and reduces collagen deposition. PRDX1-IN-4 induces apoptosis in activated hepatic stellate cells. PRDX1-IN-4 has good safety profile, with no significant body weight loss or hepatotoxicity observed in mice at a dose of 20 mg/kg. PRDX1-IN-4 ameliorates CCl₄-induced liver injury and liver fibrosis in mice at a dose of 1 mg/kg. PRDX1-IN-4 can be used for the research of liver fibrosis.