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Crovalimab

カタログ番号GC72473

Crovalimab(SKY 59、RO 7112689)はpH依存性を有する新規ヒト化C 5抗体であり、pH 7.4と5.8でのKDはそれぞれ15.2 nMと16.8μMであった。

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Crovalimab 化学構造

Cas No.: 1917321-26-6

サイズ 価格 在庫数 個数
1 mg
$270.00
在庫あり
5 mg
$702.00
在庫あり

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Sample solution is provided at 25 µL, 10mM.

Description of Crovalimab

Crovalimab (SKY59; RO7112689) is a novel humanized antibody against C5 in a pH-dependent manner with KDs of 15.2 nM and 16.8 μM at pH 7.4 and 5.8, respectively. Crovalimab binds human FcRn with great affinity (KD: 17 μM at pH 6.0). Crovalimab can block cleavage of C5 by the C5 convertase and inhibite the activity of a C5 variant (p.Arg885His). Crovalimab inhibits C5b-9 formation significantly in all three complement pathways, the classical pathway (CP), lectin pathway (LP), and alternative pathway (AP). Crovalimab has the potential for paroxysmal nocturnal hemoglobinuria (PNH) and complement-mediated diseases research.

Crovalimab (SKY59; RO7112689; 0-100 μg/mL) inhibits haemolysis in classical pathway and reactive lysis systems[2].

Crovalimab (SKY59; RO7112689; 20 mg/kg; iv; only once at day 0) completely prevents accumulation of plasma C5 in cynomolgus monkeys. SKY59-IgG1 (SG115) shows slower clearance: 1.87 mL/day/kg[1].
Crovalimab (20 mg/kg; iv; a single dose) stably suppressed complement activity in plasma for 8 weeks[1].
Crovalimab (5 mg/kg by iv at day 0 and 2 mg/kg by sc at day 7, 21, 35, 49, and 63) causes over 20% of serum hemolytic activity in the cRBC lysis assay to correlate with events such as dysphagia and dramatic increases in lactate dehydrogenase (LDH) and alanine aminotransferase (ALT) levels[1].

References:
[1]. Taku Fukuzawa, et al. Long lasting neutralization of C5 by SKY59, a novel recycling antibody, is a potential therapy for complement-mediated diseases. Sci Rep. 2017 Apr 24;7(1):1080.
[2]. Wioleta M Zelek, et al. Characterizing a pH-switch anti-C5 antibody as a tool for human and mouse complement C5 purification and cross-species inhibition of classical and reactive lysis. Immunology. 2018 Nov;155(3):396-403.

Chemical Properties of Crovalimab

Cas No. 1917321-26-6 SDF
Formula M.Wt
溶解度 Storage
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.

Product Documents

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Average Rating: 5 ★★★★★ (Based on Reviews and 30 reference(s) in Google Scholar.)

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