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Ac-YVAD-CHO

CAS# 143313-51-3

Ac-YVAD-CHO

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Chemical structure

Ac-YVAD-CHO

3D structure

Chemical Properties of Ac-YVAD-CHO

Cas No. 143313-51-3 SDF Download SDF
PubChem ID 3034818 Appearance Powder
Formula C23H32N4O8 M.Wt 492.5
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in DMSO
Chemical Name (3S)-3-[[(2S)-1-[[(2S)-2-[[(2S)-2-acetamido-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylbutanoyl]amino]-1-oxopropan-2-yl]amino]-4-oxobutanoic acid
SMILES CC(C)C(C(=O)NC(=O)C(C)NC(CC(=O)O)C=O)NC(=O)C(CC1=CC=C(C=C1)O)NC(=O)C
Standard InChIKey KQCBPHUOVBKBPQ-SJVNDZIOSA-N
Standard InChI InChI=1S/C23H32N4O8/c1-12(2)20(23(35)27-21(33)13(3)24-16(11-28)10-19(31)32)26-22(34)18(25-14(4)29)9-15-5-7-17(30)8-6-15/h5-8,11-13,16,18,20,24,30H,9-10H2,1-4H3,(H,25,29)(H,26,34)(H,31,32)(H,27,33,35)/t13-,16-,18-,20-/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Ac-YVAD-CHO Dilution Calculator

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Ac-YVAD-CHO Molarity Calculator

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Preparing Stock Solutions of Ac-YVAD-CHO

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.0305 mL 10.1523 mL 20.3046 mL 40.6091 mL 50.7614 mL
5 mM 0.4061 mL 2.0305 mL 4.0609 mL 8.1218 mL 10.1523 mL
10 mM 0.203 mL 1.0152 mL 2.0305 mL 4.0609 mL 5.0761 mL
50 mM 0.0406 mL 0.203 mL 0.4061 mL 0.8122 mL 1.0152 mL
100 mM 0.0203 mL 0.1015 mL 0.203 mL 0.4061 mL 0.5076 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Ac-YVAD-CHO

Targeting caspase-1 by inhalation-therapy: effects of Ac-YVAD-CHO on IL-1 beta, IL-18 and downstream proinflammatory parameters as detected in rat endotoxaemia.[Pubmed:17384935]

Intensive Care Med. 2007 May;33(5):863-871.

OBJECTIVE: We set out to investigate whether the nebulized and inhaled specific caspase-1 inhibitor Ac-YVAD-CHO has the potential to attenuate the pulmonary and systemic release of the caspase-1-dependent cytokines interleukin-1 beta (IL-1 beta) and interleukin-18 (IL-18) as well as their downstream enzymes iNOS and COX-2 in rat experimental endotoxaemia. DESIGN AND SETTING: Controlled, randomized animal study in a university research facility. SUBJECT: Male Sprague-Dawley rats (n=32) were randomly treated as follows: Inhaled Ac-YVAD-CHO was administered in eight rats at a inhaled total dosage of 5 mg and in eight rats at a inhaled total dose of 0.5 mg before infusion of lipopolysaccharide (LPS; 5 mg/kg, i.v.). Eight animals received LPS only. Eight animals served as controls without endotoxaemia. MEASUREMENTS AND RESULTS: After 4h of endotoxaemia, levels of IL-1 beta, IL-18 and TNF-alpha in plasma and bronchoalveolar fluid (BALF) were analyzed. Nitric oxide (NO) release from alveolar macrophages was measured by Griess assay. Amounts of iNOS protein in alveolar macrophages and COX-2 protein in lung homogenates were determined by Western blotting. Significant reductions in release of IL-1 beta (-58%, p<0.05) and IL-18 (-51%, p<0.05) in plasma and IL-1 beta (-59%, p<0.05) in BALF were found in animals pretreated with inhaled caspase-1 inhibitor compared with animals without therapy. Expression of iNOS in alveolar macrophages and COX-2 in lung tissue was concurrently decreased in the treatment groups compared with control animals. CONCLUSIONS: Our data demonstrate that administration of the caspase-1 inhibitor Ac-YVAD-CHO by inhalation is able to reduce the pulmonary and systemic release of proinflammatory mediators in rat endotoxaemia. These results further underscore that inhalation may constitute an effective route of anti-inflammatory drug administration, beneficial in the clinical setting of ARDS.

Caspase-1 inhibitor Ac-YVAD-CHO attenuates quinolinic acid-induced increases in p53 and apoptosis in rat striatum.[Pubmed:15663890]

Acta Pharmacol Sin. 2005 Feb;26(2):150-4.

AIM: To study the effects of the caspase-1 inhibitor Ac-YVAD-CHO on quinolinic acid (QA)-induced apoptosis. METHODS: Rats were pre-treated with intrastriatal infusion of Ac-YVAD-CHO (2-8 microg) before intrastriatal injection of QA (60 nmol). Striatal total proteins, genomic DNA, and nuclear proteins were isolated. The effects of Ac-YVAD-CHO on QA-induced caspase-1 activity, internucleosomal DNA fragmentation, IkappaB-alpha degradation, NF-kappaB, and AP-1 activation, and increases in p53 protein levels were measured with enzyme assays, agarose gel electrophoresis, electrophoresis mobility shift assays, and Western blot analysis. RESULTS: Pre-treatment with Ac-YVAD-CHO inhibited QA-induced internucleosomal DNA fragmentation. Ac-YVAD-CHO inhibited QA-induced increases in caspase-1 activity and p53 protein levels, but had no effect on QA-induced IkappaB-alpha degradation, NF-kappaB or AP-1 activation. CONCLUSION: Caspase-1 is involved in QA-induced p53 upregulation but not IkappaB-alpha degradation. Inhibition of caspase-1 attenuates QA-induced apoptosis in rat striatum.

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