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Ripasudil free base

Catalog No. T7492   CAS 223645-67-8
Synonyms: K-115 (free base)

Ripasudil free base (K-115 (free base)) is a selective and potent ROCK inhibitor, is a novel and potent antiglaucoma agent.

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Ripasudil free base Chemical Structure
Ripasudil free base, CAS 223645-67-8
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5 mg Inquiry $ 162.00
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Biological Description
Chemical Properties
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Description Ripasudil free base (K-115 (free base)) is a selective and potent ROCK inhibitor, is a novel and potent antiglaucoma agent.
Targets&IC50 ROCK1:51 nM, ROCK2:19 nM, CaMKIIa:370 nM, PKC:27 μM, PKACa:2.1 μM
In vitro Ripasudil significantly reduced infiltrating cells and protein exudation in the aqueous humor, as well as the number of infiltrating cells in the ICB and adherent leukocytes in retinal vessels in EIU. Additionally, the protein level of MCP-1 in the aqueous humor and mRNA levels of IL-1β, IL-6, TNF-α, MCP-1, and intercellular adhesion molecule-1 in the ICB and retina were suppressed by ripasudil. The production of MCP-1 and nuclear translocation of NF-κB in RAW264.7 cells were also suppressed by ripasudil[1].
In vivo K-115 had selective and potent inhibitory effects on ROCKs.?In rabbits, topical instillation of K-115 significantly reduced IOP in a dose-dependent manner.?Maximum IOP reduction was observed 1 h after topical instillation, which was 8.55 ± 1.09 mmHg (mean ± SE) from the baseline IOP at 0.5%.?In monkeys, maximum IOP reduction was observed 2 h after topical instillation, which was 4.36 ± 0.32 mmHg from the baseline IOP at 0.4%, and was significantly stronger than that of 0.005% latanoprost.?Whole-head autoradiography showed that the radioactivity level was maximum at 15 min after instillation of [(14)C]K-115 in the ipsilateral eye.?Single instillation of 0.4% K-115 showed no effect on aqueous flow rate or uveoscleral outflow, but significantly increased conventional outflow facility by 2.2-fold compared to vehicle-treated eyes in rabbits[2].
Cell Research Endotoxin-induced uveitis was induced by footpad injection of lipopolysaccharide (LPS). Ripasudil was administered intraperitoneally 1 hour before and after LPS injection. The aqueous humor was collected 24 hours after injection, and the infiltrating cells, protein concentration, and levels of monocyte chemotactic protein-1 (MCP-1) were determined. Infiltrating cells in the iris ciliary body (ICB) and adherent leukocytes in retinal vessels were evaluated. The mRNA levels of IL-1β, IL-6, TNF-α, and MCP-1 in the retina and ICB were determined. A mouse macrophage cell line, RAW264.7, was stimulated with LPS in the presence or absence of ripasudil, and the expression of MCP-1 and nuclear translocation of nuclear factor (NF)-κB was analyzed[1].
Animal Research Kinase inhibition by K-115 was measured by biochemical assay.?IOP was monitored using a pneumatonometer in albino rabbits and monkeys after topical instillation of K-115.?The ocular distribution of [(14)C]K-115 was determined by whole-head autoradiography.?The aqueous flow rate was determined by fluorophotometry.?The total outflow facility and uveoscleral outflow were measured by two-level constant pressure perfusion and perfusion technique using fluorescein isothiocyanate-dextran, respectively[2].
Synonyms K-115 (free base)
Molecular Weight 323.39
Formula C15H18FN3O2S
CAS No. 223645-67-8

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

TargetMolReferences and Literature

1. Takatoshi U , Megumi H , Reiko Y , et al. The Anti-Inflammatory Effect of Ripasudil (K-115), a Rho Kinase (ROCK) Inhibitor, on Endotoxin-Induced Uveitis in Rats[J]. Investigative Opthalmology & Visual Science, 2017, 58(12):5584-. 2. Isobe T , Mizuno K , Kaneko Y , et al. Effects of K-115, a Rho-Kinase Inhibitor, on Aqueous Humor Dynamics in Rabbits[J]. Current Eye Research, 2014, 39(8):813-822.

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Keywords

Ripasudil free base 223645-67-8 Cell Cycle/Checkpoint Cytoskeletal Signaling Microbiology/Virology Stem Cells Antibacterial ROCK Ripasudil K115 Inhibitor ROK Rho-associated kinase K-115 inhibit Rho-associated protein kinase K-115 (free base) K 115 Rho-kinase inhibitor

 

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