Syk

Isoform-selective Products

Signaling Pathway

Syk Signaling Pathway

Syk Products

  • All (23)
  • Syk Inhibitors (23)
  • New Syk Products
Catalog No. Product Name Information Product Use Citations Product Validations
S2194 R406 R406(R406 besylate) is a potent Syk inhibitor with IC50 of 41 nM in cell-free assays, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. R406 induces apoptosis. Phase 1.
Nat Commun, 2024, 15(1):8890
J Clin Invest, 2024, e175147
J Exp Clin Cancer Res, 2024, 43(1):224
S1533 R406 (free base) R406 (free base) is a potent Syk inhibitor with IC50 of 41 nM in a cell-free assay, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. R406 (free base) triggers apoptosis. Phase 1.
J Transl Med, 2024, 22(1):283
FASEB J, 2024, 38(6):e23564
Cancer Res, 2023, 83(2):316-331
S8032 PRT062607 (P505-15) HCl PRT062607 (P505-15, BIIB057, PRT-2607) HCl is a novel, highly selective Syk inhibitor with IC50 of 1 nM in cell-free assays, >80-fold selective for Syk than Fgr, PAK5, Lyn, FAK, Pyk2, FLT3, MLK1 and Zap70.
Sci Rep, 2024, 14(1):7739
J Exp Med, 2023, 220(9)e20230054
J Exp Med, 2023, 220(9)e20230054
S7523 Entospletinib (GS-9973) Entospletinib (GS-9973) is an orally bioavailable, selective Syk inhibitor with IC50 of 7.7 nM in a cell-free assay and showed 13- to >1000-fold cellular selectivity for Syk over other kinases(including Jak2, ckit, Flt3, Ret, KDR) as assessed by target protein phosphorylation or functional response.
Cancer Res, 2023, 83(2):316-331
Front Immunol, 2023, 14:1279155
J Leukoc Biol, 2023, qiad025
S2625 Fostamatinib (R788) Fostamatinib (R788), a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. Phase 3.
J Thromb Haemost, 2024, S1538-7836(24)00479-3
Nat Commun, 2023, 14(1):7576
J Exp Med, 2023, 220(9)e20230054
S3026 Piceatannol Piceatannol, a natural stilbene, is a selective Syk inhibitor and ~10-fold selectivity versus Lyn.
ACS Appl Mater Interfaces, 2022, 14(21):24144-24159
Sci China Life Sci, 2022, 10.1007/s11427-022-2185-9
Cell Rep, 2022, 38(13):110567
S7634 Cerdulatinib (PRT062070) hydrochloride Cerdulatinib (PRT-062070, PRT2070) hydrochloride is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively. Also inhibits 19 other tested kinases with IC50 less than 200 nM.
Antimicrob Agents Chemother, 2024, 68(4):e0135023.
Int J Mol Sci, 2023, 24(17)13623
Cells, 2023, 12(3)453
S2206 Fostamatinib (R788) disodium Fostamatinib disodium (R788, Tamatinib Fosdium), a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM in a cell-free assay, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. Phase 3.
FASEB J, 2024, 38(6):e23564
Cancer Res, 2023, 83(16):2675-2689
Int J Hematol, 2022, 10.1007/s12185-021-03220-9
S7006 BAY-61-3606 BAY-61-3606 is a potent and selective inhibitor of Syk kinase (Ki = 7.5 nM). BAY-61-3606 induces cell cycle arrest and apoptosis.
Aging (Albany NY), 2024, 16(5):4363-4377
Open Life Sci, 2023, 18(1):20220678
Nat Commun, 2022, 13(1):6226
S7738 PRT-060318 2HCl PRT-060318 (PRT318) is a novel selective inhibitor of the Syk tyrosine kinase with an IC50 of 4 nM, as an approach to HIT treatment.
PLoS Pathog, 2024, 20(10):e1012674
Thromb Haemost, 2024, 10.1055/a-2311-0117
Res Pract Thromb Haemost, 2024, 8(7):102582
S3566 Cerdulatinib (PRT062070) Cerdulatinib (PRT062070, PRT2070) is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively, also inhibits19 other tested kinases with IC50 less than 200 nM.
NPJ Precis Oncol, 2024, 8(1):74
Int J Mol Sci, 2023, 24(17)13623
Cells, 2023, 12(9)1295
S8442 TAK-659 Hydrochloride TAK-659 Hydrochloride is a potent and selective inhibitor of spleen tyrosine kinase (SYK) with an IC50 value of 3.2 nM. It is selective against most other kinases, but potent toward both SYK and FLT3.
Int J Mol Sci, 2024, 25(18)9914
Int J Mol Sci, 2022, 23(23)14706
Am J Physiol Cell Physiol, 2021, 320(5):C902-C915
S4921 MNS (3,4-Methylenedioxy-β-nitrostyrene) MNS is a tyrosine kinase inhibitor, inhibits Syk, Src, p97 with IC50 of 2.5 μM, 29.3 μM and 1.7 μM, respectively.
Phytomedicine, 2019, 61:152859
J Biomol Struct Dyn, 2019, 10.1080/07391102.2019.1640133
Toxicol Res (Camb), 2016, 5(1):188-196
S4944 Fostamatinib disodium hexahydrate Fostamatinib (R788) disodium (Tamatinib Fosdium) hexahydrate, a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM in a cell-free assay.
Int J Hematol, 2022, 10.1007/s12185-021-03220-9
J Allergy Clin Immunol, 2021, S0091-6749(21)00979-9
ScholarsArchive@OSU, 2020, None
S7286 RO9021 RO9021 potently inhibits SYK kinase activity with an average IC50 of 5.6 nM and suppresses B-cell receptor signaling.
Int J Mol Sci, 2022, 23(23)14706
S6519 R112 R112 is an ATP-competitive spleen tyrosine kinase (Syk) inhibitor with Ki value of 96 nM.
S3226 Dehydroabietic acid Dehydroabietic acid (DAA, DHAA), a naturally occurring diterpene resin acid derived from coniferous plants such as Pinus and Picea, displays anti-inflammatory activity via suppression of Src-, Syk-, and TAK1-mediated pathways.
E1836New Cevidoplenib dimesylate Cevidoplenib dimesylate(SKI-O-703 dimesylate) is an orally available inhibitor of spleen tyrosine kinase (Syk) with potential anti-inflammatory and immunomodulating activities. It attenuates the progression of autoantibody-mediated autoimmune diseases by inhibiting both autoantibody-producing and autoantibody-sensing cells.
S0871 Gusacitinib (ASN-002) Gusacitinib (ASN-002) is a novel and potent dual inhibitor of spleen tyrosine kinase (SYK) and Janus kinases (JAK) with IC50 values of 5-46 nM in biochemical assays.
S9715 Lanraplenib (GS-SYK) Lanraplenib (GS-SYK)is a potent, highly selective and orally active inhibitor of Spleen Tyrosine Kinase (SYK) with IC50 of 9.5 nM. Lanraplenib inhibits SYK activity in platelets via the glycoprotein VI (GPVI) receptor without prolonging bleeding time (BT) in monkeys or humans.
Cell Rep, 2024, 43(10):114773
S8948 SRX3207 SRX3207 is an orally active dual inhibitor of Syk-PI3K with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 blocks tumor immunosuppression and increases anti-tumor immunity.
E0437 ZAP-180013 ZAP-180013 is a inhibitor of zeta-chain-associated protein kinase 70 (ZAP-70) with an IC50 of 1.8 μM.
E4580New Sovleplenib Sovleplenib(HMPL-523) is a highly potent and selective SYK inhibitor with IC50 of 0.025 μM, that exhibits anti-tumor activities in vitro and in vivo. Sovleplenib exhibits synergistic activities in combination with BTK, PI3Kδ, and Bcl2 family inhibitors in killing human-diffused large B cell lymphoma (DLBCL).
S2194 R406 R406(R406 besylate) is a potent Syk inhibitor with IC50 of 41 nM in cell-free assays, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. R406 induces apoptosis. Phase 1.
Nat Commun, 2024, 15(1):8890
J Clin Invest, 2024, e175147
J Exp Clin Cancer Res, 2024, 43(1):224
S1533 R406 (free base) R406 (free base) is a potent Syk inhibitor with IC50 of 41 nM in a cell-free assay, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. R406 (free base) triggers apoptosis. Phase 1.
J Transl Med, 2024, 22(1):283
FASEB J, 2024, 38(6):e23564
Cancer Res, 2023, 83(2):316-331
S8032 PRT062607 (P505-15) HCl PRT062607 (P505-15, BIIB057, PRT-2607) HCl is a novel, highly selective Syk inhibitor with IC50 of 1 nM in cell-free assays, >80-fold selective for Syk than Fgr, PAK5, Lyn, FAK, Pyk2, FLT3, MLK1 and Zap70.
Sci Rep, 2024, 14(1):7739
J Exp Med, 2023, 220(9)e20230054
J Exp Med, 2023, 220(9)e20230054
S7523 Entospletinib (GS-9973) Entospletinib (GS-9973) is an orally bioavailable, selective Syk inhibitor with IC50 of 7.7 nM in a cell-free assay and showed 13- to >1000-fold cellular selectivity for Syk over other kinases(including Jak2, ckit, Flt3, Ret, KDR) as assessed by target protein phosphorylation or functional response.
Cancer Res, 2023, 83(2):316-331
Front Immunol, 2023, 14:1279155
J Leukoc Biol, 2023, qiad025
S2625 Fostamatinib (R788) Fostamatinib (R788), a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. Phase 3.
J Thromb Haemost, 2024, S1538-7836(24)00479-3
Nat Commun, 2023, 14(1):7576
J Exp Med, 2023, 220(9)e20230054
S3026 Piceatannol Piceatannol, a natural stilbene, is a selective Syk inhibitor and ~10-fold selectivity versus Lyn.
ACS Appl Mater Interfaces, 2022, 14(21):24144-24159
Sci China Life Sci, 2022, 10.1007/s11427-022-2185-9
Cell Rep, 2022, 38(13):110567
S7634 Cerdulatinib (PRT062070) hydrochloride Cerdulatinib (PRT-062070, PRT2070) hydrochloride is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively. Also inhibits 19 other tested kinases with IC50 less than 200 nM.
Antimicrob Agents Chemother, 2024, 68(4):e0135023.
Int J Mol Sci, 2023, 24(17)13623
Cells, 2023, 12(3)453
S2206 Fostamatinib (R788) disodium Fostamatinib disodium (R788, Tamatinib Fosdium), a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM in a cell-free assay, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. Phase 3.
FASEB J, 2024, 38(6):e23564
Cancer Res, 2023, 83(16):2675-2689
Int J Hematol, 2022, 10.1007/s12185-021-03220-9
S7006 BAY-61-3606 BAY-61-3606 is a potent and selective inhibitor of Syk kinase (Ki = 7.5 nM). BAY-61-3606 induces cell cycle arrest and apoptosis.
Aging (Albany NY), 2024, 16(5):4363-4377
Open Life Sci, 2023, 18(1):20220678
Nat Commun, 2022, 13(1):6226
S7738 PRT-060318 2HCl PRT-060318 (PRT318) is a novel selective inhibitor of the Syk tyrosine kinase with an IC50 of 4 nM, as an approach to HIT treatment.
PLoS Pathog, 2024, 20(10):e1012674
Thromb Haemost, 2024, 10.1055/a-2311-0117
Res Pract Thromb Haemost, 2024, 8(7):102582
S3566 Cerdulatinib (PRT062070) Cerdulatinib (PRT062070, PRT2070) is an oral active, multi-targeted tyrosine kinase inhibitor with IC50 of 12 nM/6 nM/8 nM/0.5 nM and 32 nM for JAK1/JAK2/JAK3/TYK2 and Syk, respectively, also inhibits19 other tested kinases with IC50 less than 200 nM.
NPJ Precis Oncol, 2024, 8(1):74
Int J Mol Sci, 2023, 24(17)13623
Cells, 2023, 12(9)1295
S8442 TAK-659 Hydrochloride TAK-659 Hydrochloride is a potent and selective inhibitor of spleen tyrosine kinase (SYK) with an IC50 value of 3.2 nM. It is selective against most other kinases, but potent toward both SYK and FLT3.
Int J Mol Sci, 2024, 25(18)9914
Int J Mol Sci, 2022, 23(23)14706
Am J Physiol Cell Physiol, 2021, 320(5):C902-C915
S4921 MNS (3,4-Methylenedioxy-β-nitrostyrene) MNS is a tyrosine kinase inhibitor, inhibits Syk, Src, p97 with IC50 of 2.5 μM, 29.3 μM and 1.7 μM, respectively.
Phytomedicine, 2019, 61:152859
J Biomol Struct Dyn, 2019, 10.1080/07391102.2019.1640133
Toxicol Res (Camb), 2016, 5(1):188-196
S4944 Fostamatinib disodium hexahydrate Fostamatinib (R788) disodium (Tamatinib Fosdium) hexahydrate, a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM in a cell-free assay.
Int J Hematol, 2022, 10.1007/s12185-021-03220-9
J Allergy Clin Immunol, 2021, S0091-6749(21)00979-9
ScholarsArchive@OSU, 2020, None
S7286 RO9021 RO9021 potently inhibits SYK kinase activity with an average IC50 of 5.6 nM and suppresses B-cell receptor signaling.
Int J Mol Sci, 2022, 23(23)14706
S6519 R112 R112 is an ATP-competitive spleen tyrosine kinase (Syk) inhibitor with Ki value of 96 nM.
S3226 Dehydroabietic acid Dehydroabietic acid (DAA, DHAA), a naturally occurring diterpene resin acid derived from coniferous plants such as Pinus and Picea, displays anti-inflammatory activity via suppression of Src-, Syk-, and TAK1-mediated pathways.
E1836New Cevidoplenib dimesylate Cevidoplenib dimesylate(SKI-O-703 dimesylate) is an orally available inhibitor of spleen tyrosine kinase (Syk) with potential anti-inflammatory and immunomodulating activities. It attenuates the progression of autoantibody-mediated autoimmune diseases by inhibiting both autoantibody-producing and autoantibody-sensing cells.
S0871 Gusacitinib (ASN-002) Gusacitinib (ASN-002) is a novel and potent dual inhibitor of spleen tyrosine kinase (SYK) and Janus kinases (JAK) with IC50 values of 5-46 nM in biochemical assays.
S9715 Lanraplenib (GS-SYK) Lanraplenib (GS-SYK)is a potent, highly selective and orally active inhibitor of Spleen Tyrosine Kinase (SYK) with IC50 of 9.5 nM. Lanraplenib inhibits SYK activity in platelets via the glycoprotein VI (GPVI) receptor without prolonging bleeding time (BT) in monkeys or humans.
Cell Rep, 2024, 43(10):114773
S8948 SRX3207 SRX3207 is an orally active dual inhibitor of Syk-PI3K with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 blocks tumor immunosuppression and increases anti-tumor immunity.
E0437 ZAP-180013 ZAP-180013 is a inhibitor of zeta-chain-associated protein kinase 70 (ZAP-70) with an IC50 of 1.8 μM.
E4580New Sovleplenib Sovleplenib(HMPL-523) is a highly potent and selective SYK inhibitor with IC50 of 0.025 μM, that exhibits anti-tumor activities in vitro and in vivo. Sovleplenib exhibits synergistic activities in combination with BTK, PI3Kδ, and Bcl2 family inhibitors in killing human-diffused large B cell lymphoma (DLBCL).
E1836New Cevidoplenib dimesylate Cevidoplenib dimesylate(SKI-O-703 dimesylate) is an orally available inhibitor of spleen tyrosine kinase (Syk) with potential anti-inflammatory and immunomodulating activities. It attenuates the progression of autoantibody-mediated autoimmune diseases by inhibiting both autoantibody-producing and autoantibody-sensing cells.
E4580New Sovleplenib Sovleplenib(HMPL-523) is a highly potent and selective SYK inhibitor with IC50 of 0.025 μM, that exhibits anti-tumor activities in vitro and in vivo. Sovleplenib exhibits synergistic activities in combination with BTK, PI3Kδ, and Bcl2 family inhibitors in killing human-diffused large B cell lymphoma (DLBCL).

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