TGF-beta/Smad Inhibitor

Carotuximab (TRC105) is a IgG1 monoclonal antibody that blocks endoglin (CD105) and its downstream Smad signaling pathway. Carotuximab has immunomodulatory and antineoplastic actions.

Micheliolide is a sesquiterpene lactone with anti-cancer and anti-inflammatory effects, which is derived from Michelia compressa and Michelia champaca. Micheliolide can attenuate high glucose-stimulated NF-κB activation, IκBα degradation, and the expression of MCP-1, TGF-β1, and FN in mouse mesangial cells. Micheliolide inhibits LPS (HY-D1056)-induced activation of NF-κB and PI3K/Akt/p70S6K pathways to play an anti-inflammatory role. Micheliolide inhibits dextran sodium sulphate (DSS) (HY-116282)-induced inflammatory intestinal disease, colitis-associated cancer and rheumatic arthritis.

BTYNB is a structure-specific nucleic acid binder and IGF2BP1 inhibitor (with an IC₅₀ of 5 μM against hBTYNB). BTYNB disrupts the IGF2BP1-RNA interaction and blocks its binding to oncogenic mRNAs such as c-Myc, MDM2, PD-L1. BTYNB completely blocks the INHBA-Smad2/3 pathway, disrupts the MYCN/IGF2BP1 loop, and thereby induces apoptosis and cell cycle arrest, effectively inhibiting the proliferation and survival of cancer cells. In addition, BTYNB acts as an immune activator and tumor microenvironment modulator, enhances T cell-mediated tumor killing, and produces significant synergistic effects with inhibitors of PD-1, BRD and BIRC5. BTYNB can be used in relevant research on various malignant tumors including ovarian cancer, neuroblastoma, leukemia and melanoma.

R-268712 is an orally active and selective ALK-5 inhibitor, with an IC₅₀ of 2.5 nM. R-268712 inhibits the phosphorylation of Smad3 in a dose-dependent manner with an IC₅₀ of 10.4 nM. R-268712 suppresses glomerulonephritis as well as glomerulosclerosis by inhibiting TGF-β signaling, which can be used in studies of renal fibrosis and cancer.

Fusaric acid is an orally active multi-pathway inhibitor with the activity of inducing oxidative stress and apoptosis. Fusaric acid can chelate divalent metal cations, damage mitochondrial membrane structure, and activate apoptosis-related proteases such as Caspase-3/7, -8, and -9. Fusaric acid also regulates Bax/Bcl-2 protein, inhibits fibrosis-related signaling pathways such as NF-κB, TGF-β₁/SMADs, and PI3K/AKT/mTOR, and reduces collagen deposition. Fusaric acid is also a dopamine β-hydroxylase inhibitor, which reduces endogenous levels of norepinephrine and epinephrine in the brain, heart, spleen, and adrenal glands. Fusaric acid can play a role in myocardial fibrosis and improve cardiac hypertrophy in heart disease, and can also be used in the study of esophageal cancer and liver cancer.

Hydronidone is an orally active pyridine derivative. Hydronidone is an inhibitor of phosphodiesterase-4 (PDE4) and cyclo-oxygenase (COX) as well as TGF-β. Hydronidone induces mitochondrial dysfunction and triggers apoptosis. Hydronidone can be used for liver fibrosis, anti-inflammation and anti-cancer study.

Disitertide (P144) diammonium is a peptidic transforming growth factor-beta 1 (TGF-β1) inhibitor specifically designed to block the interaction with its receptor. Disitertide diammonium is also a PI3K inhibitor and an apoptosis inducer.

Poricoic acid A can be isolated from Poria cocos. Poricoic acid A is an orally active anti-tumor agent. Poricoic acid A enhances melatonin inhibition of AKI-to-CKD transition by regulating Gas6/AxlNFκB/Nrf2 axis. Poricoic acid A also attenuatea fibroblast activation and abnormal extracellular matrix remodeling in renal fibrosis by activating AMPK and inhibiting Smad3. Poricoic acid A significantly reduces the magnitude of rise in serum creatinine and urea levels in rat model when combined with Melatonin. Poricoic acid A ameliorates renal fibrosis and podocyte injury by attenuating oxidative stress and inflammation through regulating NF-κB and Nrf2 in IRI rodent model in combination with Melatonin.

SY-LB-35 is a potent bone morphogenetic protein (BMP) receptor agonist. SY-LB-35 can stimulate significant increases in cell number and cell viability in the C2C12 myoblast cell line, and causes shifts towards the S and G2/M phases of the cell cycle. SY-LB-35 stimulates canonical Smad and non-canonical PI3K/Akt, ERK, p38 and JNK intracellular signaling pathways.

Landogrozumab (LY2495655) is an humanized anti-myostatin monoclonal antibody. Landogrozumab effectively improves muscle volume, hand grip strength and function. Landogrozumab can be used for the research of muscle wasting disease.

Lobeglitazone is a new type of thiazolidinedione. Lobeglitazone is the orally active agonist for PPAR with EC₅₀ of 137.4 nM and 546.3 nM for PPARγ and PPARα. Lobeglitazone is the inhibitor for ERK/JNK/Smad/NF-κB signaling pathway. Lobeglitazone exhibits anti-inflammatory, anti-diabetic, anti-fibrotic and anti-atherosclerotic properties.

CAY10526 is an inhibitor of Y-box binding protein 1 (YB-1) and microsomal prostaglandin E2 synthase 1 (mPGES1). CAY10526 inhibits the production of PGE₂ by suppressing YB-1 and mPGES1. CAY10526 induces cell apoptosis (apoptosis) and inhibits the JAK/STAT, TGF-β/Smad3 and PI3K/AKT signaling pathways. CAY10526 can be used in research related to melanoma, prostate cancer, esophageal adenocarcinoma, T-cell lymphoma, etc.

Jolkinolide B is a bioactive diterpene isolated from the roots of Euphorbia fischeriana Steud with oral activity. Jolkinolide B downregulates XIAP, cIAP1, cIAP2, and phosphorylated Akt, upregulates Smac, activates caspase-3 and caspase-9, and inhibits NF-κB, TGFβ/smad3 and JAK/STAT3 pathways. Jolkinolide B exerts comprehensive biological effects including inducing cancer cell apoptosis, suppressing inflammatory responses, improving lung function, alleviating hepatic steatosis and eliminating intracellular Mycobacterium tuberculosis. Jolkinolide B can be used for the research of leukemia, histiocytic lymphoma, asthma, metabolic dysfunction-associated steatotic liver disease and tuberculosis.

Kirenol is a diterpenoid compound, an orally active apoptosis inducer and signaling pathway regulator, with a K_d value of 5.47 μM against the target CK2. Kirenol promotes the cleavage of Bid into tBid, regulates the protein levels/phosphorylation of Bax, Bcl-2, p53 and p21, and induces caspase-independent apoptosis, S-phase cell cycle arrest, ROS accumulation and cytotoxicity in cancer cells. Kirenol activates the CK2/AKT and AMPK-mTOR-ULK1 pathways, inhibits the signaling of NF-κB, TGF-β/Smads and NLRP3 inflammasome, and regulates the GSK3β, BMP and Wnt/β-catenin pathways. Kirenol induces autophagy, mitophagy and osteoblast differentiation, promotes mitochondrial fusion, and exerts antioxidant, anti-inflammatory, antifibrotic, renoprotective, cardioprotective, neuroprotective and analgesic effects. Kirenol is applicable to research related to chronic myeloid leukemia, ischemic stroke, diabetic nephropathy, heart failure, acute lung injury and osteoporosis.

TGF-β1/Smad3-IN-1 (Compound 5aa) is an inhibitor of the TGF-β1/Smad3 signaling pathway(IC₅₀=1.07 μM). TGF-β1/Smad3-IN-1 possesses antifibrotic activity and oral potency.

Aloin (mixture of A&B) is an orally active anthraquinone derivative isolated from Aloe vera. Aloin (mixture of A&B) mitigates airway impairment and exerts neuroprotective, anti-inflammatory, antioxidant, antibacterial, antifungal, antiviral and antitumor effects. Aloin (mixture of A&B) inhibits Clostridium histolyticum collagenase, granulocyte matrix metalloproteinases and human 20S proteasome. Aloin (mixture of A&B) upregulates the Nrf2/HO-1 pathway, suppresses the TGF-β/Smad2/3 pathway. Aloin (mixture of A&B) reduces IL-4/IL-5/IL-13 levels, and reverses oxidative stress markers (MDA, SOD, GSH). Aloin (mixture of A&B) can be used for research on chronic ulcers, burns, wounds, inflammatory and degenerative disorders, asthma and neuroblastoma.

Pirfenidone (Standard) is the analytical standard of Pirfenidone. This product is intended for research and analytical applications. Pirfenidone (AMR69) is an antifibrotic agent that attenuates CCL2 and CCL12 production in fibrocyte cells. Pirfenidone has growth-inhibitory effect and reduces TGF-β2 protein levels in human glioma cell lines. Pirfenidone also has anti-inflammatory activities.

Livmoniplimab (ABBV-151) is a monoclonal antibody against GARP/TGF-β1 that can inhibit the release of active TGF-β1. Livmoniplimab has anti-tumor activity in colon cancer mice. Livmoniplimab can be used for the study of locally advanced or metastatic solid tumors.

Domagrozumab is an anti-myostatin humanized monoclonal antibody with a K_D value of 2.6 pM for human myostatin. Domagrozumab induces muscle anabolic activity. Domagrozumab can be used in research of duchenne muscular dystrophy (DMD).

Flavanomarein is a substance with cytoprotective, anti-inflammatory and antioxidant activities, with a K_a of 3.064e-5 M against human Syk. Flavanomarein enhances the phosphorylation level of AKT, regulates the expression of PKC-δ, P85α, PKC-β1, Sirt1, Bcl-2 and ICAD, and inhibits the nuclear translocation of NF-κB p65. Flavanomarein regulates EMT marker proteins, promotes the proliferation of HK-2 cells, and protects neuronal cells from 6-OHDA-induced neurotoxic damage. Flavanomarein can be used in studies related to Parkinson's disease and diabetic nephropathy.