TGF-beta/Smad

TGF-beta/Smad製品

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S1067 SB431542 SB431542 は強力かつ選択的 ALK5 阻害剤であり、cell-free assay における IC50 は 94 nM です。p38 MAPK などのキナーゼよりも ALK5 に対して 100 倍の選択性を有しています。
Nat Biotechnol, 2025, 10.1038/s41587-025-02833-3
Signal Transduct Target Ther, 2025, 10(1):271
Cell Stem Cell, 2025, S1934-5909(25)00330-3
SB431542-S1067Z01210140905.gif
S7306 Dorsomorphin Dihydrochloride Dorsomorphin 2HCl is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Also inhibits type Ⅰ BMP receptor activity. Dorsomorphin induces autophagy in cancer cell line.
J Clin Invest, 2025, e190215
Redox Biol, 2025, 81:103532
Redox Biol, 2025, 82:103606
Dorsomorphin-2HCl-S730601W0820161101.gif
S7840 Dorsomorphin Dorsomorphin is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Dorsomorphin selectively inhibits the BMP type I receptors ALK2, ALK3 and ALK6. Dorsomorphin is used in promoting specific cell differentiation and inducing cancer cell line autophagy. For animal testing, the water-soluble S7306 Dorsomorphin (Compound C) 2HCl is recommended.
Theranostics, 2025, 15(12):5931-5952
EMBO Mol Med, 2025, 17(10):2735-2761
Stem Cell Res Ther, 2025, 16(1):104
Dorsomorphin-S784001Z0520170214.gif
S2618 LDN-193189 LDN-193189 (DM3189) is a selective BMP signaling inhibitor, inhibits the ALK1, ALK2, ALK3 and ALK6 with IC50s of 0.8 nM, 0.8 nM, 5.3 nM and 16.7 nM in the kinase assay, respectively. LDN-193189 inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50s of 5 nM and 30 nM in C2C12 cells, respectively, exhibits 200-fold selectivity for BMP versus TGF-β. For animal testing, the water-soluble S7507 LDN-193189 2HCl is recommended.This product has poor solubility, animal experiments are available, cell experiments please choose carefully!
Cell Metab, 2025, S1550-4131(25)00334-1
Nat Commun, 2025, 16(1):4432
Theranostics, 2025, 15(14):7127-7153
LDN-193189-S2618Y0120141114.gif
S2230 Galunisertib (LY2157299) Galunisertib (LY2157299) is a potent TGFβ receptor I (TβRI) inhibitor with IC50 of 56 nM in a cell-free assay. Phase 2/3.
Signal Transduct Target Ther, 2025, 10(1):257
Exp Mol Med, 2025, 57(6):1324-1338
Biochem Pharmacol, 2025, 240:117082
LY2157299-S2230Z0120140828.gif
S2704 LY2109761 LY2109761 is a novel selective TGF-β receptor type I/II (TβRI/II) dual inhibitor with Ki of 38 nM and 300 nM in a cell-free assay, respectively; shown to negatively affect the phosphorylation of Smad2. LY2109761 blocks autophagy and induces apoptosis.
J Tissue Eng, 2025, 16:20417314251376104
Cancer Metab, 2025, 13(1):3
iScience, 2025, 28(2):111756
LY2109761-S2704Y0120141120.gif
S1476 SB525334 SB525334 is a potent and selective inhibitor of TGFβ receptor I (ALK5) with IC50 of 14.3 nM in a cell-free assay, 4-fold less potent to ALK4 than ALK5 and inactive to ALK2, 3, and 6.
J Control Release, 2025, S0168-3659(25)00029-X
Commun Biol, 2025, 8(1):152
Sci Rep, 2025, 15(1):25926
SB525334-S1476W0220141124.gif
S7507 LDN-193189 Dihydrochloride LDN-193189 (DM3189) 2HCl is a selective BMP signaling inhibitor, inhibits the ALK1, ALK2, ALK3 and ALK6 with IC50s of 0.8 nM, 0.8 nM, 5.3 nM and 16.7 nM in the kinase assay, respectively. LDN-193189 inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50s of 5 nM and 30 nM in C2C12 cells, respectively, exhibits 200-fold selectivity for BMP versus TGF-β.
Nat Commun, 2025, 16(1):5543
Adv Sci (Weinh), 2025, 12(2):e2406509
Adv Healthc Mater, 2025, e04817.
LDN-193189-S2618Y0120141114.gif
S7959 SIS3 HCl SIS3, a novel specific inhibitor of Smad3, inhibits TGF-β and activin signaling by suppressing Smad3 phosphorylation without affecting the MAPK/p38, ERK, or PI3-kinase signaling pathways.
Int J Biol Sci, 2025, 21(13):5922-5935
EMBO Rep, 2025, 26(12):3162-3186
Commun Biol, 2025, 8(1):471
SIS3-S795901W0720170810.gif
S7223 RepSox (E-616452) RepSox (E-616452, SJN 2511, ALK5 Inhibitor II) is a potent and selective inhibitor of the TGFβR-1/ALK5 with IC50 of 23 nM and 4 nM for ATP binding to ALK5 and ALK5 autophosphorylation in cell-free assays, respectively.
Cell, 2025, S0092-8674(25)00807-4
Cell Metab, 2025, S1550-4131(25)00334-1
Trends Biotechnol, 2025, 43(8):2029-2048
RepSox-S722301Y0120170504.gif
S2805 LY364947 LY364947 (HTS 466284) is a potent ATP-competitive inhibitor of TGFβR-I with IC50 of 59 nM in a cell-free assay, shows 7-fold selectivity over TGFβR-II.
Adv Sci (Weinh), 2024, 11(4):e2304987
Cell Rep Med, 2024, 5(2):101416
Cell Commun Signal, 2024, 22(1):242
LY364947-S2805W0120140829.gif
S2907 Pirfenidone Pirfenidone is an inhibitor for TGF-β production and TGF-β stimulated collagen production, reduces production of TNF-α and IL-1β, and also has anti-fibrotic and anti-inflammatory properties. Pirfenidone attenuates chemokine (CC motif) ligand-2 (CCL2) and CCL12 production with anti-fibrotic activity. Phase 3.
Biomed Pharmacother, 2025, 188:118216
Eur Respir J, 2024, 2300580
Phytomedicine, 2024, 135:156051
Pirfenidone-S2907Z0120150112.gif
S7146 DMH1 DMH1 is a selective BMP receptor inhibitor with IC50 of 107.9 nM for ALK2, exhibiting no inhibition on AMPK, ALK5, KDR (VEGFR-2) or PDGFR. DMH1 inhibits autophagy.
Cell Stem Cell, 2025, S1934-5909(25)00081-5
J Adv Res, 2025, S2090-1232(25)00553-3
Commun Biol, 2025, 8(1):1177
DMH1-S714601Z0420171213.gif
S2186 SB505124 SB505124 is a selective inhibitor of TGFβR for ALK4, ALK5 with IC50 of 129 nM and 47 nM in cell-free assays, respectively, also inhibits ALK7, but does not inhibit ALK1, 2, 3, or 6.
Cell Rep, 2025, 44(5):115675
Calcif Tissue Int, 2025, 116(1):57
Heliyon, 2024, 10(20):e39475
SB505124-S218601Y0220161125.gif
S2750 GW788388 GW788388 is a potent and selective inhibitor of ALK5 with IC50 of 18 nM in a cell-free assay, also inhibits TGF-β type II receptor and activin type II receptor activities, but does not inhibit BMP type II receptor.
Mol Carcinog, 2024, 10.1002/mc.23715
J Biol Chem, 2023, 299(4):103017
proquest, 2023,
GW788388-S275001Z0520170606.gif
S7692 A-83-01 A-83-01 is a potent inhibitor of TGF-β type I receptor (ALK5-TD) with IC50 of 12 nM. A-83-01 also inhibits the transcription induced by activin/nodal type I receptor (ALK4-TD) and nodal type I receptor (ALK7-TD) with IC50 of 45 nM and 7.5 nM, respectively.Solutions are unstable and should be fresh-prepared.
Cell, 2025, S0092-8674(25)00807-4
Nat Genet, 2025, 57(1):165-179
Nat Genet, 2025, 57(1):165-179
S7359 K02288 K02288 is a potent, and selective type I BMP receptor inhibitor with IC50 of 1.1, 1.8, 6.4 nM for ALK2, ALK1 and ALK6, showing weaker inhibition on other ALKs (3, 4, 5) and ActRIIA.
FEBS J, 2024, 291(2):272-291
J Neurooncol, 2024, 10.1007/s11060-024-04625-2
Nat Commun, 2022, 13(1):2844
K02288-S735901Z0320171213.gif
S7624 SD-208 SD-208 is a selective TGF-βRI (ALK5) inhibitor with IC50 of 48 nM, >100-fold selectivity over TGF-βRII.
J Cancer, 2024, 15(9):2448-2459
JCI Insight, 2023, 8(3)e166688
Cancers (Basel), 2023, 10.3390/cancers15205086
S7530 Vactosertib (TEW-7197) Vactosertib  (TEW-7197, EW-7197) is a highly potent, selective, and orally bioavailable TGF-β receptor ALK4/ALK5 inhibitor with IC50 of 13 nM and 11 nM, respectively. Phase 1.
Nat Commun, 2024, 15(1):7388
Cells, 2024, 13(10)879
Cells, 2024, 13(10)879
EW-7197-S753001Y0120170601.gif
S1576 Sulfasalazine Sulfasalazine is a sulfa derivative of mesalazine, used as an anti-inflammatory agent to treat bowel disease and rheumatoid arthritis. Sulfasalazine is a potent and specific inhibitor of nuclear factor kappa B (NF-κB), TGF-β and COX-2. Sulfasalazine induces ferroptosis, apoptosis and autophagy.
Med Oncol, 2024, 41(8):188
Adv Sci (Weinh), 2023, 10(20):e2300517
Proc Natl Acad Sci U S A, 2022, 119(36):e2117396119
S3552 SIS3 SIS3 is a cell-permeable inhibitor of Smad3 that selectively inhibits TGF-β1-dependent Smad3 phosphorylation and Smad3-mediated cellular signaling. SIS3 reduces TGF-β1-induced type 1 procollagen expression and myofibroblast differentiation in normal dermal fibroblasts as well as scleroderma fibroblasts.
J Virol, 2025, 99(9):e0043525
Life Sci Alliance, 2024, 7(6)e202302408
Front Bioeng Biotechnol, 2023, 11:1281157
S7658 Kartogenin Kartogenin (KGN) is an activator of the smad4/smad5 pathway, and promotes the selective differentiation of multipotent mesenchymal stem cells into chondrocytes.
Sci Rep, 2024, 14(1):15022
Pharmaceutics, 2023, 15(7)1949
Int J Mol Sci, 2022, 24(1)390
S6713 ITD-1 ITD-1 is a potent TGF-β inhibitor. It does not block the kinase activity of either type I (TGFBR1) or type II (TGFBR2) TGFβ receptors but potently blocks phosphorylation of the effector SMAD2/3 proteins induced by TGFβ2, and only minimally in response to Activin A.
World J Gastrointest Oncol, 2025, 17(1):97831
Redox Biol, 2024, 76:103349
Cell Oncol (Dordr), 2024, 10.1007/s13402-024-00989-9
S8144 Halofuginone Halofuginone (RU-19110) is the competitively inhibitor of prolyl-tRNA synthetase with Ki of 18.3 nM.It could also down-regulate Smad3 and blocked TGF-β signaling at 10 ng/ml in mammal.
Sci Adv, 2025, 11(28):eadw1883
Cell Rep, 2024, 43(9):114728
J Neurochem, 2024, 10.1111/jnc.16102
S7147 LDN-212854 LDN-212854 (BMP Inhibitor III) is a potent and selective BMP receptor inhibitor with IC50 of 1.3 nM for ALK2, about 2-, 66-, 1641-, and 7135-fold selectivity over ALK1, ALK3, ALK4, and ALK5, respectively.
EMBO Rep, 2024, 25(7):3090-3115
Am J Pathol, 2023, S0002-9440(23)00047-0
Am J Pathol, 2023, 193(5):532-547
S8772 LY 3200882 LY 3200882 is a potent, highly selective inhibitor of TGF-β receptor type 1 (TGFβRI). It potently inhibits TGFβ mediated SMAD phosphorylation in vitro in tumor and immune cells and in vivo in subcutaneous tumors in a dose dependent fashion.
J Inflamm Res, 2021, 14:2897-2911
Pediatr Rheumatol Online J, 2021, 19(1):72
Br J Cancer, 2020, 10.1038/s41416-020-01040-y
S7148 ML347 ML347 (LDN-193719) is a selective BMP receptor inhibitor with IC50 of 32 nM for ALK2, >300-fold selectivity over ALK3. Also inhibits ALK1 activity with IC50 of 46 nM.
Development, 2022, 149(20)dev192310
Biomolecules, 2020, 10(4)E519
Biomolecules, 2020, 29;10(4) pii: E519
S8700 TP0427736 HCl TP0427736 is a potent inhibitor of ALK5 kinase activity with an IC50 of 2.72 nM and this effect is 300-fold higher than the inhibitory effect on ALK3 (IC50 = 836 nM for ALK3). It also inhibits Smad2/3 phosphorylation in A549 cells induced by TGF-β1 with an IC50 value of 8.68 nM.
Commun Biol, 2023, 6(1):824
Nutrients, 2023, 16(1)64
Int J Mol Sci, 2023, 24(19)14444
S6654 SRI-011381 (C381) SRI-011381 (C381) is a novel agonist of the TGF-beta signaling pathway for treatment of Alzheimer's disease.C381 physically targets the lysosome, promotes lysosomal acidification, increases breakdown of lysosomal cargo, and improves lysosome resilience to damage.
Noncoding RNA Res, 2025, 13:1-14
SLAS Technol, 2024, 29(5):100190
Dis Model Mech, 2022, dmm.046979
S7627 LDN-214117 LDN-214117 is a potent and selective BMP type I receptor kinase ALK2 inhibitor with IC50 of 24 nM.
Cancer Res, 2024, 10.1158/0008-5472.CAN-23-2631
bioRxiv, 2023, 2023.06.14.544941
FASEB J, 2021, 35(3):e21263
S2308 Hesperetin Hesperetin is a bioflavonoid and, to be more specific, a flavanone.
J Transl Med, 2024, 22(1):208
Sci Rep, 2022, 12(1):7
Front Pharmacol, 2021, 12:735087
S7914 Isoxazole 9 (ISX-9) Isoxazole 9 (Isx-9) is a synthetic promotor of adult neurogenesis by triggering neuronal differentiation of adult neural stem/precursor cells (NSPCs). Isoxazole 9 (Isx-9) activates multiple pathways including TGF-β induced epithelial–mesenchymal transition (EMT) signaling, canonical and non-canonical Wnt signaling at different stages of cardiac differentiation.
iScience, 2025, 28(3):112015
Front Cell Dev Biol, 2025, 13:1513163
Cell Regen, 2025, 14(1):18
S8318 Alantolactone Alantolactone, a naturally occurring eudesmane-type sesquiterpene lactone (SL), could induce activin/SMAD3 signaling and disrupt Cripto-1/activin receptor type II A interaction.
Molecules, 2024, 29(8)1866
Molecules, 2024, 29(8)1866
Nat Commun, 2022, 13(1):107
Alantolactone-S831801X0120170810.gif
E2394 TGFβRI-IN-3 TGFβRI-IN-3 represents a highly selective TGFβR1 inhibitor that has potential applications in immuno-oncology, inhibits TGFβR1 at an IC50 of 0.79 nM with 2000-fold selectivity against MAP4K4.
Nutrients, 2024, 16(17)2991
JCI Insight, 2023, e161563
A2113 Anti-human/mouse TGF-β-InVivo The 1D11.16.8 monoclonal antibody reacts with mouse, human, rat, monkey, hamster, canine and bovine TGF-β (transforming growth factor beta) isoforms 1, 2 and 3.The 1D11.16.8 monoclonal antibody is a neutralizing antibody.
Cells, 2024, 13(10)879
Cells, 2024, 13(10)879
Cell Discov, 2023, 9(1):28
S5183 PD 169316 PD 169316 is a potent, selective and cell-permeable p38 MAP kinase inhibitor with IC50 of 89 nM. PD169316 abrogates signaling initiated by both TGFbeta and Activin A. PD169316 shows antiviral activity against Enterovirus71.
J Dairy Sci, 2025, S0022-0302(25)00833-1
PLoS One, 2021, 16(5):e0252541
F1624 TGF β1 Antibody [P22B16]
Cell Death Dis, 2025, 16(1):597
F0363 Smad2/3 Antibody [M18H19] SMAD2/3 Rabbit mAb recognizes endogenous levels of total Smad2/3 protein.
Cell Death Dis, 2025, 16(1):597
F0364 Smad3 Antibody [J9N13] SMAD3 Rabbit mAb recognizes endogenous levels of total Smad3 protein.
F1360 TGF-β Receptor III Antibody [M9F17] TGF-beta Receptor III Rabbit mAb detects endogenous levels of total TGF-β Receptor III protein.
F1016 TGFBI Antibody [P17H24] TGFBI Rabbit mAb detects endogenous levels of total TGFBI protein.
F0309 Smad2 Antibody [E24M24] Smad2 Rabbit mAb recognizes endogenous levels of total Smad2 protein.
F1689New Phospho-Smad2 (Ser255) Antibody [H13B7]
J Plast Surg Hand Surg, 2021, 55(5):284-293.
F0347 Phospho-Smad1/5/9 (S463/465, S463/465, S465/467) Antibody [L11J17]
F0308 Smad1 Antibody [N8K18] SMAD1 Rabbit mAb recognizes endogenous levels of total SMAD1 protein.
F0976 BMP4 Antibody [J12D21] BMP4 Rabbit mAb recognizes endogenous levels of total BMP4 protein.
Cancer Metab, 2023, 11(1):9
F1052 Smad5 Antibody [A13M1]
Cancer Metab, 2023, 11(1):9
Am J Cancer Res, 2021, 11(3):793-811
F2875New Phospho-Smad1/5/9 (S463/465/467) Antibody [K12G16] Phospho-Smad1 (Ser463/465)/ Smad5 (Ser463/465)/ Smad9 (Ser465/467),SMAD1 + SMAD5 + SMAD9 (phospho S463 + S465 + S467)
A2370 Elezanumab (Anti-RGMA) Elezanumab (Anti-RGMA) is a human monoclonal antibody that selectively targets repulsive guidance molecule A (RGMa). Elezanumab potently inhibited RGMa mediated BMP signalling via the SMAD1/5/8 pathway with IC50 of 97 pM. MW: 146.44 kD.
S3223 L-Quebrachitol L-Quebrachitol (L-QCT), a natural product isolated from many plants, promotes proliferation and cell DNA synthesis. L-Quebrachitol upregulates bone morphogenetic protein-2 (BMP-2) and runt-related transcription factor-2 (Runx2) and regulatory genes associated with mitogen-activated protein kinase (MAPK) and Wnt/β-catenin signaling pathway, while down-regulating the receptor activator of the nuclear factor-κB(NF-κB) ligand (RANKL) mRNA level.
E4798New SRI-011381 hydrochloride SRI-011381 hydrochloride is an agonist of the transforming growth factor-beta (TGF-β) signalling pathway and exhibits neuroprotective effects with the potential to treat Alzheimer's disease. It also increases fibronectin expression in the NIH‐3T3 cells stimulated by metformin.
E4432 3,3-Dimethyl-1-butanol 3,3-Dimethyl-1-butanol (Neohexanol) is an orally active inhibitor of trimethylamine (TMA) and trimethylamine N-oxide (TMAO). 3,3-dimethyl-1-butanol negatively inhibits the signalling pathways of p65 NF-κB and  TGF-β1/Smad3. 3,3-dimethyl-1-butanol has potential applications in cardiovascular disease (CVD).
S0523 SB 4 SB 4 is a potent and selective agonist of bone morphogenetic protein 4 (BMP4) signaling with EC50 of 74 nM. SB 4 enhances canonical BMP signaling and activates SMAD-1/5/9 phosphorylation. As an agonist of the BMP signaling pathway, SB4 can significantly upregulate the expression levels of classical BMP4 downstream target genes (such as DNA binding inhibitors Id1 and Id3).
S0752 AUDA AUDA (compound 43) is a potent inhibitor of soluble epoxide hydrolase (sEH) with IC50 of 18 nM and 69 nM for the mouse sEH and human sEH, respectively. AUDA has anti-inflammatory activity that reduces the protein expression of MMP-9, IL-1β, TNF-α and TGF-β. AUDA downregulates Smad3 and p38 signaling pathways.
A2422 Garetosmab (Anti-INHBA / Activin A) Garetosmab (Anti-INHBA / Activin A) is a fully human IgG4 monoclonal antibody that specifically inhibits activin A. Garetosmab can be used for fibrodysplasia ossificans progressiva (FOP) research. MW: 145.5 kD.
Nat Commun, 2025, 16(1):6577
F3338New Smad1 Antibody [K19G18]
S2234 BIBF-0775 BIBF-0775 is a selective inhibitor of transforming growth factor β Receptor I (TGFβRI,Alk5) with an IC50 of 34 nM.
E0769 Ginsenoside Rh4 Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways.
F2846New Phospho-Smad3 (Ser423/Ser425) Antibody [L3N2]
F2576New GDNF Antibody [M11F22]
A2694 Anti-TGFb1 (SRK181) Anti-TGFb1 (SRK181) is a monoclonal antibody directed against latent human transforming growth factor (TGF)-beta 1 with potential antineoplastic activity. MW : 150 kD.
A2695 Anti-TGFb1 (M7824) Anti-TGFb1 (M7824) is a bifunctional monoclonal antibody targeting programmed death ligand 1 (PD-L1) and transforming growth factor beta 1 (TGFb1). It exhibits anti-tumor efficacy against breast and colon carcinomas.
S0153 SJ000291942 SJ000291942 is a canonical bone morphogenetic proteins (BMP) signaling pathway activator.
S7710 R-268712 R-268712 is a potent and selective inhibitor of ALK5 with an IC50 of 2.5 nM.
Kidney360, 2025, 10.34067/KID.0000000852
S2932New BMS-986260 BMS - 986260は、免疫腫瘍学的薬剤であり、強力で選択的かつ経口活性のあるTGFβR1阻害剤(IC50 = 1.6 nM)です。BMS - 986260は、そのアイソザイムであるTGFβR2に対して、また調べた200種以上のキナーゼのパネルにおいても、TGFβR1に対して極めて高い選択性を示します。BMS - 986260は、MINKおよびNHLF細胞株におけるTGFβ介在性のpSMAD2/3の核移行をそれぞれ350 nMおよび190 nMのIC50で阻害します。
E1785 PF-06952229 PF-06952229(UNII-1KKS7U3X86) is a selective, orally available inhibitor of the serine/threonine kinase TGF-β receptor 1 (TGF-β-R1). It inhibits pSMAD2 in both tumor and immune cells, reducing TGF-β signalling and reversing EMT in vitro. It modulates the tumor immune microenvironment and shows antitumor activity in mouse models.
F2633New Phospho-Smad1 (Ser206) Antibody [D10B24]
F0031New Nestin Antibody [M9J9] Rodent Nestin protein confirmed with rat and mouse. Rat-401 is not reactive with human nestin protein.
F2851New Smad3 Antibody [H20E2]
F3678New SARA Antibody [N8F11]
A2336 Fresolimumab (Anti-TGFb1) Fresolimumab (Anti-TGFb1) is a pan-specific, recombinant, fully human monoclonal antibody directed against human transforming growth factor (TGF) beta 1, 2, and 3 with potential antineoplastic activity. MW : 145.5 KD.
S6807 TA-02 TA-02 is a p38 MAPK inhibitor with IC50 of 20 nM. TA-02 especially inhibits TGFBR-2.
S6654 SRI-011381 (C381) SRI-011381 (C381) is a novel agonist of the TGF-beta signaling pathway for treatment of Alzheimer's disease.C381 physically targets the lysosome, promotes lysosomal acidification, increases breakdown of lysosomal cargo, and improves lysosome resilience to damage.
Noncoding RNA Res, 2025, 13:1-14
SLAS Technol, 2024, 29(5):100190
Dis Model Mech, 2022, dmm.046979
E4798New SRI-011381 hydrochloride SRI-011381 hydrochloride is an agonist of the transforming growth factor-beta (TGF-β) signalling pathway and exhibits neuroprotective effects with the potential to treat Alzheimer's disease. It also increases fibronectin expression in the NIH‐3T3 cells stimulated by metformin.
S0523 SB 4 SB 4 is a potent and selective agonist of bone morphogenetic protein 4 (BMP4) signaling with EC50 of 74 nM. SB 4 enhances canonical BMP signaling and activates SMAD-1/5/9 phosphorylation. As an agonist of the BMP signaling pathway, SB4 can significantly upregulate the expression levels of classical BMP4 downstream target genes (such as DNA binding inhibitors Id1 and Id3).
S1067 SB431542 SB431542 は強力かつ選択的 ALK5 阻害剤であり、cell-free assay における IC50 は 94 nM です。p38 MAPK などのキナーゼよりも ALK5 に対して 100 倍の選択性を有しています。
Nat Biotechnol, 2025, 10.1038/s41587-025-02833-3
Signal Transduct Target Ther, 2025, 10(1):271
Cell Stem Cell, 2025, S1934-5909(25)00330-3
SB431542-S1067Z01210140905.gif
S7306 Dorsomorphin Dihydrochloride Dorsomorphin 2HCl is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Also inhibits type Ⅰ BMP receptor activity. Dorsomorphin induces autophagy in cancer cell line.
J Clin Invest, 2025, e190215
Redox Biol, 2025, 81:103532
Redox Biol, 2025, 82:103606
Dorsomorphin-2HCl-S730601W0820161101.gif
S7840 Dorsomorphin Dorsomorphin is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Dorsomorphin selectively inhibits the BMP type I receptors ALK2, ALK3 and ALK6. Dorsomorphin is used in promoting specific cell differentiation and inducing cancer cell line autophagy. For animal testing, the water-soluble S7306 Dorsomorphin (Compound C) 2HCl is recommended.
Theranostics, 2025, 15(12):5931-5952
EMBO Mol Med, 2025, 17(10):2735-2761
Stem Cell Res Ther, 2025, 16(1):104
Dorsomorphin-S784001Z0520170214.gif
S2618 LDN-193189 LDN-193189 (DM3189) is a selective BMP signaling inhibitor, inhibits the ALK1, ALK2, ALK3 and ALK6 with IC50s of 0.8 nM, 0.8 nM, 5.3 nM and 16.7 nM in the kinase assay, respectively. LDN-193189 inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50s of 5 nM and 30 nM in C2C12 cells, respectively, exhibits 200-fold selectivity for BMP versus TGF-β. For animal testing, the water-soluble S7507 LDN-193189 2HCl is recommended.This product has poor solubility, animal experiments are available, cell experiments please choose carefully!
Cell Metab, 2025, S1550-4131(25)00334-1
Nat Commun, 2025, 16(1):4432
Theranostics, 2025, 15(14):7127-7153
LDN-193189-S2618Y0120141114.gif
S2230 Galunisertib (LY2157299) Galunisertib (LY2157299) is a potent TGFβ receptor I (TβRI) inhibitor with IC50 of 56 nM in a cell-free assay. Phase 2/3.
Signal Transduct Target Ther, 2025, 10(1):257
Exp Mol Med, 2025, 57(6):1324-1338
Biochem Pharmacol, 2025, 240:117082
LY2157299-S2230Z0120140828.gif
S2704 LY2109761 LY2109761 is a novel selective TGF-β receptor type I/II (TβRI/II) dual inhibitor with Ki of 38 nM and 300 nM in a cell-free assay, respectively; shown to negatively affect the phosphorylation of Smad2. LY2109761 blocks autophagy and induces apoptosis.
J Tissue Eng, 2025, 16:20417314251376104
Cancer Metab, 2025, 13(1):3
iScience, 2025, 28(2):111756
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S1476 SB525334 SB525334 is a potent and selective inhibitor of TGFβ receptor I (ALK5) with IC50 of 14.3 nM in a cell-free assay, 4-fold less potent to ALK4 than ALK5 and inactive to ALK2, 3, and 6.
J Control Release, 2025, S0168-3659(25)00029-X
Commun Biol, 2025, 8(1):152
Sci Rep, 2025, 15(1):25926
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S7507 LDN-193189 Dihydrochloride LDN-193189 (DM3189) 2HCl is a selective BMP signaling inhibitor, inhibits the ALK1, ALK2, ALK3 and ALK6 with IC50s of 0.8 nM, 0.8 nM, 5.3 nM and 16.7 nM in the kinase assay, respectively. LDN-193189 inhibits the transcriptional activity of the BMP type I receptors ALK2 and ALK3 with IC50s of 5 nM and 30 nM in C2C12 cells, respectively, exhibits 200-fold selectivity for BMP versus TGF-β.
Nat Commun, 2025, 16(1):5543
Adv Sci (Weinh), 2025, 12(2):e2406509
Adv Healthc Mater, 2025, e04817.
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S7959 SIS3 HCl SIS3, a novel specific inhibitor of Smad3, inhibits TGF-β and activin signaling by suppressing Smad3 phosphorylation without affecting the MAPK/p38, ERK, or PI3-kinase signaling pathways.
Int J Biol Sci, 2025, 21(13):5922-5935
EMBO Rep, 2025, 26(12):3162-3186
Commun Biol, 2025, 8(1):471
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S7223 RepSox (E-616452) RepSox (E-616452, SJN 2511, ALK5 Inhibitor II) is a potent and selective inhibitor of the TGFβR-1/ALK5 with IC50 of 23 nM and 4 nM for ATP binding to ALK5 and ALK5 autophosphorylation in cell-free assays, respectively.
Cell, 2025, S0092-8674(25)00807-4
Cell Metab, 2025, S1550-4131(25)00334-1
Trends Biotechnol, 2025, 43(8):2029-2048
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S2805 LY364947 LY364947 (HTS 466284) is a potent ATP-competitive inhibitor of TGFβR-I with IC50 of 59 nM in a cell-free assay, shows 7-fold selectivity over TGFβR-II.
Adv Sci (Weinh), 2024, 11(4):e2304987
Cell Rep Med, 2024, 5(2):101416
Cell Commun Signal, 2024, 22(1):242
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S2907 Pirfenidone Pirfenidone is an inhibitor for TGF-β production and TGF-β stimulated collagen production, reduces production of TNF-α and IL-1β, and also has anti-fibrotic and anti-inflammatory properties. Pirfenidone attenuates chemokine (CC motif) ligand-2 (CCL2) and CCL12 production with anti-fibrotic activity. Phase 3.
Biomed Pharmacother, 2025, 188:118216
Eur Respir J, 2024, 2300580
Phytomedicine, 2024, 135:156051
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S7146 DMH1 DMH1 is a selective BMP receptor inhibitor with IC50 of 107.9 nM for ALK2, exhibiting no inhibition on AMPK, ALK5, KDR (VEGFR-2) or PDGFR. DMH1 inhibits autophagy.
Cell Stem Cell, 2025, S1934-5909(25)00081-5
J Adv Res, 2025, S2090-1232(25)00553-3
Commun Biol, 2025, 8(1):1177
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S2186 SB505124 SB505124 is a selective inhibitor of TGFβR for ALK4, ALK5 with IC50 of 129 nM and 47 nM in cell-free assays, respectively, also inhibits ALK7, but does not inhibit ALK1, 2, 3, or 6.
Cell Rep, 2025, 44(5):115675
Calcif Tissue Int, 2025, 116(1):57
Heliyon, 2024, 10(20):e39475
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S2750 GW788388 GW788388 is a potent and selective inhibitor of ALK5 with IC50 of 18 nM in a cell-free assay, also inhibits TGF-β type II receptor and activin type II receptor activities, but does not inhibit BMP type II receptor.
Mol Carcinog, 2024, 10.1002/mc.23715
J Biol Chem, 2023, 299(4):103017
proquest, 2023,
GW788388-S275001Z0520170606.gif
S7692 A-83-01 A-83-01 is a potent inhibitor of TGF-β type I receptor (ALK5-TD) with IC50 of 12 nM. A-83-01 also inhibits the transcription induced by activin/nodal type I receptor (ALK4-TD) and nodal type I receptor (ALK7-TD) with IC50 of 45 nM and 7.5 nM, respectively.Solutions are unstable and should be fresh-prepared.
Cell, 2025, S0092-8674(25)00807-4
Nat Genet, 2025, 57(1):165-179
Nat Genet, 2025, 57(1):165-179
S7359 K02288 K02288 is a potent, and selective type I BMP receptor inhibitor with IC50 of 1.1, 1.8, 6.4 nM for ALK2, ALK1 and ALK6, showing weaker inhibition on other ALKs (3, 4, 5) and ActRIIA.
FEBS J, 2024, 291(2):272-291
J Neurooncol, 2024, 10.1007/s11060-024-04625-2
Nat Commun, 2022, 13(1):2844
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S7624 SD-208 SD-208 is a selective TGF-βRI (ALK5) inhibitor with IC50 of 48 nM, >100-fold selectivity over TGF-βRII.
J Cancer, 2024, 15(9):2448-2459
JCI Insight, 2023, 8(3)e166688
Cancers (Basel), 2023, 10.3390/cancers15205086
S7530 Vactosertib (TEW-7197) Vactosertib  (TEW-7197, EW-7197) is a highly potent, selective, and orally bioavailable TGF-β receptor ALK4/ALK5 inhibitor with IC50 of 13 nM and 11 nM, respectively. Phase 1.
Nat Commun, 2024, 15(1):7388
Cells, 2024, 13(10)879
Cells, 2024, 13(10)879
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S1576 Sulfasalazine Sulfasalazine is a sulfa derivative of mesalazine, used as an anti-inflammatory agent to treat bowel disease and rheumatoid arthritis. Sulfasalazine is a potent and specific inhibitor of nuclear factor kappa B (NF-κB), TGF-β and COX-2. Sulfasalazine induces ferroptosis, apoptosis and autophagy.
Med Oncol, 2024, 41(8):188
Adv Sci (Weinh), 2023, 10(20):e2300517
Proc Natl Acad Sci U S A, 2022, 119(36):e2117396119
S3552 SIS3 SIS3 is a cell-permeable inhibitor of Smad3 that selectively inhibits TGF-β1-dependent Smad3 phosphorylation and Smad3-mediated cellular signaling. SIS3 reduces TGF-β1-induced type 1 procollagen expression and myofibroblast differentiation in normal dermal fibroblasts as well as scleroderma fibroblasts.
J Virol, 2025, 99(9):e0043525
Life Sci Alliance, 2024, 7(6)e202302408
Front Bioeng Biotechnol, 2023, 11:1281157
S6713 ITD-1 ITD-1 is a potent TGF-β inhibitor. It does not block the kinase activity of either type I (TGFBR1) or type II (TGFBR2) TGFβ receptors but potently blocks phosphorylation of the effector SMAD2/3 proteins induced by TGFβ2, and only minimally in response to Activin A.
World J Gastrointest Oncol, 2025, 17(1):97831
Redox Biol, 2024, 76:103349
Cell Oncol (Dordr), 2024, 10.1007/s13402-024-00989-9
S8144 Halofuginone Halofuginone (RU-19110) is the competitively inhibitor of prolyl-tRNA synthetase with Ki of 18.3 nM.It could also down-regulate Smad3 and blocked TGF-β signaling at 10 ng/ml in mammal.
Sci Adv, 2025, 11(28):eadw1883
Cell Rep, 2024, 43(9):114728
J Neurochem, 2024, 10.1111/jnc.16102
S7147 LDN-212854 LDN-212854 (BMP Inhibitor III) is a potent and selective BMP receptor inhibitor with IC50 of 1.3 nM for ALK2, about 2-, 66-, 1641-, and 7135-fold selectivity over ALK1, ALK3, ALK4, and ALK5, respectively.
EMBO Rep, 2024, 25(7):3090-3115
Am J Pathol, 2023, S0002-9440(23)00047-0
Am J Pathol, 2023, 193(5):532-547
S8772 LY 3200882 LY 3200882 is a potent, highly selective inhibitor of TGF-β receptor type 1 (TGFβRI). It potently inhibits TGFβ mediated SMAD phosphorylation in vitro in tumor and immune cells and in vivo in subcutaneous tumors in a dose dependent fashion.
J Inflamm Res, 2021, 14:2897-2911
Pediatr Rheumatol Online J, 2021, 19(1):72
Br J Cancer, 2020, 10.1038/s41416-020-01040-y
S7148 ML347 ML347 (LDN-193719) is a selective BMP receptor inhibitor with IC50 of 32 nM for ALK2, >300-fold selectivity over ALK3. Also inhibits ALK1 activity with IC50 of 46 nM.
Development, 2022, 149(20)dev192310
Biomolecules, 2020, 10(4)E519
Biomolecules, 2020, 29;10(4) pii: E519
S8700 TP0427736 HCl TP0427736 is a potent inhibitor of ALK5 kinase activity with an IC50 of 2.72 nM and this effect is 300-fold higher than the inhibitory effect on ALK3 (IC50 = 836 nM for ALK3). It also inhibits Smad2/3 phosphorylation in A549 cells induced by TGF-β1 with an IC50 value of 8.68 nM.
Commun Biol, 2023, 6(1):824
Nutrients, 2023, 16(1)64
Int J Mol Sci, 2023, 24(19)14444
S7627 LDN-214117 LDN-214117 is a potent and selective BMP type I receptor kinase ALK2 inhibitor with IC50 of 24 nM.
Cancer Res, 2024, 10.1158/0008-5472.CAN-23-2631
bioRxiv, 2023, 2023.06.14.544941
FASEB J, 2021, 35(3):e21263
E2394 TGFβRI-IN-3 TGFβRI-IN-3 represents a highly selective TGFβR1 inhibitor that has potential applications in immuno-oncology, inhibits TGFβR1 at an IC50 of 0.79 nM with 2000-fold selectivity against MAP4K4.
Nutrients, 2024, 16(17)2991
JCI Insight, 2023, e161563
S5183 PD 169316 PD 169316 is a potent, selective and cell-permeable p38 MAP kinase inhibitor with IC50 of 89 nM. PD169316 abrogates signaling initiated by both TGFbeta and Activin A. PD169316 shows antiviral activity against Enterovirus71.
J Dairy Sci, 2025, S0022-0302(25)00833-1
PLoS One, 2021, 16(5):e0252541
E4432 3,3-Dimethyl-1-butanol 3,3-Dimethyl-1-butanol (Neohexanol) is an orally active inhibitor of trimethylamine (TMA) and trimethylamine N-oxide (TMAO). 3,3-dimethyl-1-butanol negatively inhibits the signalling pathways of p65 NF-κB and  TGF-β1/Smad3. 3,3-dimethyl-1-butanol has potential applications in cardiovascular disease (CVD).
S0752 AUDA AUDA (compound 43) is a potent inhibitor of soluble epoxide hydrolase (sEH) with IC50 of 18 nM and 69 nM for the mouse sEH and human sEH, respectively. AUDA has anti-inflammatory activity that reduces the protein expression of MMP-9, IL-1β, TNF-α and TGF-β. AUDA downregulates Smad3 and p38 signaling pathways.
S2234 BIBF-0775 BIBF-0775 is a selective inhibitor of transforming growth factor β Receptor I (TGFβRI,Alk5) with an IC50 of 34 nM.
E0769 Ginsenoside Rh4 Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways.
S7710 R-268712 R-268712 is a potent and selective inhibitor of ALK5 with an IC50 of 2.5 nM.
Kidney360, 2025, 10.34067/KID.0000000852
S2932New BMS-986260 BMS - 986260は、免疫腫瘍学的薬剤であり、強力で選択的かつ経口活性のあるTGFβR1阻害剤(IC50 = 1.6 nM)です。BMS - 986260は、そのアイソザイムであるTGFβR2に対して、また調べた200種以上のキナーゼのパネルにおいても、TGFβR1に対して極めて高い選択性を示します。BMS - 986260は、MINKおよびNHLF細胞株におけるTGFβ介在性のpSMAD2/3の核移行をそれぞれ350 nMおよび190 nMのIC50で阻害します。
E1785 PF-06952229 PF-06952229(UNII-1KKS7U3X86) is a selective, orally available inhibitor of the serine/threonine kinase TGF-β receptor 1 (TGF-β-R1). It inhibits pSMAD2 in both tumor and immune cells, reducing TGF-β signalling and reversing EMT in vitro. It modulates the tumor immune microenvironment and shows antitumor activity in mouse models.
S6807 TA-02 TA-02 is a p38 MAPK inhibitor with IC50 of 20 nM. TA-02 especially inhibits TGFBR-2.
A2113 Anti-human/mouse TGF-β-InVivo The 1D11.16.8 monoclonal antibody reacts with mouse, human, rat, monkey, hamster, canine and bovine TGF-β (transforming growth factor beta) isoforms 1, 2 and 3.The 1D11.16.8 monoclonal antibody is a neutralizing antibody.
Cells, 2024, 13(10)879
Cells, 2024, 13(10)879
Cell Discov, 2023, 9(1):28
A2370 Elezanumab (Anti-RGMA) Elezanumab (Anti-RGMA) is a human monoclonal antibody that selectively targets repulsive guidance molecule A (RGMa). Elezanumab potently inhibited RGMa mediated BMP signalling via the SMAD1/5/8 pathway with IC50 of 97 pM. MW: 146.44 kD.
A2422 Garetosmab (Anti-INHBA / Activin A) Garetosmab (Anti-INHBA / Activin A) is a fully human IgG4 monoclonal antibody that specifically inhibits activin A. Garetosmab can be used for fibrodysplasia ossificans progressiva (FOP) research. MW: 145.5 kD.
Nat Commun, 2025, 16(1):6577
A2694 Anti-TGFb1 (SRK181) Anti-TGFb1 (SRK181) is a monoclonal antibody directed against latent human transforming growth factor (TGF)-beta 1 with potential antineoplastic activity. MW : 150 kD.
A2695 Anti-TGFb1 (M7824) Anti-TGFb1 (M7824) is a bifunctional monoclonal antibody targeting programmed death ligand 1 (PD-L1) and transforming growth factor beta 1 (TGFb1). It exhibits anti-tumor efficacy against breast and colon carcinomas.
A2336 Fresolimumab (Anti-TGFb1) Fresolimumab (Anti-TGFb1) is a pan-specific, recombinant, fully human monoclonal antibody directed against human transforming growth factor (TGF) beta 1, 2, and 3 with potential antineoplastic activity. MW : 145.5 KD.
S7658 Kartogenin Kartogenin (KGN) is an activator of the smad4/smad5 pathway, and promotes the selective differentiation of multipotent mesenchymal stem cells into chondrocytes.
Sci Rep, 2024, 14(1):15022
Pharmaceutics, 2023, 15(7)1949
Int J Mol Sci, 2022, 24(1)390
S7914 Isoxazole 9 (ISX-9) Isoxazole 9 (Isx-9) is a synthetic promotor of adult neurogenesis by triggering neuronal differentiation of adult neural stem/precursor cells (NSPCs). Isoxazole 9 (Isx-9) activates multiple pathways including TGF-β induced epithelial–mesenchymal transition (EMT) signaling, canonical and non-canonical Wnt signaling at different stages of cardiac differentiation.
iScience, 2025, 28(3):112015
Front Cell Dev Biol, 2025, 13:1513163
Cell Regen, 2025, 14(1):18
S3223 L-Quebrachitol L-Quebrachitol (L-QCT), a natural product isolated from many plants, promotes proliferation and cell DNA synthesis. L-Quebrachitol upregulates bone morphogenetic protein-2 (BMP-2) and runt-related transcription factor-2 (Runx2) and regulatory genes associated with mitogen-activated protein kinase (MAPK) and Wnt/β-catenin signaling pathway, while down-regulating the receptor activator of the nuclear factor-κB(NF-κB) ligand (RANKL) mRNA level.
S0153 SJ000291942 SJ000291942 is a canonical bone morphogenetic proteins (BMP) signaling pathway activator.
S6654 SRI-011381 (C381) SRI-011381 (C381) is a novel agonist of the TGF-beta signaling pathway for treatment of Alzheimer's disease.C381 physically targets the lysosome, promotes lysosomal acidification, increases breakdown of lysosomal cargo, and improves lysosome resilience to damage.
Noncoding RNA Res, 2025, 13:1-14
SLAS Technol, 2024, 29(5):100190
Dis Model Mech, 2022, dmm.046979
E4798New SRI-011381 hydrochloride SRI-011381 hydrochloride is an agonist of the transforming growth factor-beta (TGF-β) signalling pathway and exhibits neuroprotective effects with the potential to treat Alzheimer's disease. It also increases fibronectin expression in the NIH‐3T3 cells stimulated by metformin.
S0523 SB 4 SB 4 is a potent and selective agonist of bone morphogenetic protein 4 (BMP4) signaling with EC50 of 74 nM. SB 4 enhances canonical BMP signaling and activates SMAD-1/5/9 phosphorylation. As an agonist of the BMP signaling pathway, SB4 can significantly upregulate the expression levels of classical BMP4 downstream target genes (such as DNA binding inhibitors Id1 and Id3).
S2308 Hesperetin Hesperetin is a bioflavonoid and, to be more specific, a flavanone.
J Transl Med, 2024, 22(1):208
Sci Rep, 2022, 12(1):7
Front Pharmacol, 2021, 12:735087
S8318 Alantolactone Alantolactone, a naturally occurring eudesmane-type sesquiterpene lactone (SL), could induce activin/SMAD3 signaling and disrupt Cripto-1/activin receptor type II A interaction.
Molecules, 2024, 29(8)1866
Molecules, 2024, 29(8)1866
Nat Commun, 2022, 13(1):107
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F1689New Phospho-Smad2 (Ser255) Antibody [H13B7]
J Plast Surg Hand Surg, 2021, 55(5):284-293.
F2875New Phospho-Smad1/5/9 (S463/465/467) Antibody [K12G16] Phospho-Smad1 (Ser463/465)/ Smad5 (Ser463/465)/ Smad9 (Ser465/467),SMAD1 + SMAD5 + SMAD9 (phospho S463 + S465 + S467)
E4798New SRI-011381 hydrochloride SRI-011381 hydrochloride is an agonist of the transforming growth factor-beta (TGF-β) signalling pathway and exhibits neuroprotective effects with the potential to treat Alzheimer's disease. It also increases fibronectin expression in the NIH‐3T3 cells stimulated by metformin.
F3338New Smad1 Antibody [K19G18]
F2846New Phospho-Smad3 (Ser423/Ser425) Antibody [L3N2]
F2576New GDNF Antibody [M11F22]
S2932New BMS-986260 BMS - 986260は、免疫腫瘍学的薬剤であり、強力で選択的かつ経口活性のあるTGFβR1阻害剤(IC50 = 1.6 nM)です。BMS - 986260は、そのアイソザイムであるTGFβR2に対して、また調べた200種以上のキナーゼのパネルにおいても、TGFβR1に対して極めて高い選択性を示します。BMS - 986260は、MINKおよびNHLF細胞株におけるTGFβ介在性のpSMAD2/3の核移行をそれぞれ350 nMおよび190 nMのIC50で阻害します。
F2633New Phospho-Smad1 (Ser206) Antibody [D10B24]
F0031New Nestin Antibody [M9J9] Rodent Nestin protein confirmed with rat and mouse. Rat-401 is not reactive with human nestin protein.
F2851New Smad3 Antibody [H20E2]
F3678New SARA Antibody [N8F11]
E4798New SRI-011381 hydrochloride SRI-011381 hydrochloride is an agonist of the transforming growth factor-beta (TGF-β) signalling pathway and exhibits neuroprotective effects with the potential to treat Alzheimer's disease. It also increases fibronectin expression in the NIH‐3T3 cells stimulated by metformin.

TGF-beta/Smadシグナル伝達経路