Molecular Weight(MW): 220.25
Mirin is a potent Mre11–Rad50–Nbs1 (MRN) complex inhibitor, and inhibits Mre11-associated exonuclease activity.
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Wildtype bone marrow-derived macrophages (BMDMs) were incubated with and without the MRN complex inhibitor mirin (administered dose of 100 μM) for 2 hours, then were treated with PM (100 μg/mL) for an additional 24 hours. (A) The relative levels of Cxcl1, Cxcl2 and Ifn-γ mRNA transcripts were determined using quantitative PCR. (B) The protein levels of Cxcl1, Cxcl2 and Ifn-γ in the culture supernatants were measured using ELISA. Data are presented as means ± SEMs across at least 3 independent experiments. *p < 0.05; **p < 0.01.
Aging, 2018, 10(4):549-560. Mirin purchased from Selleck.
HEK293 T cells were transfected with 3 μg Cas9/sgHPRT plasmid and 20 pmol ssODN. Five hours later, cells were treated with various concentrations of mirin. Twenty-four hours post-transfection, real-time PCR analysis was performed to measure the dose-dependent suppressive effects on HR and NHEJ pathways.
DNA Repair, 2018, 70:67-71. Mirin purchased from Selleck.
Purity & Quality Control
Choose Selective ATM/ATR Inhibitors
|Description||Mirin is a potent Mre11–Rad50–Nbs1 (MRN) complex inhibitor, and inhibits Mre11-associated exonuclease activity.|
Mirin inhibits DSB-induced ATM activation, the ATM-dependent phosphorylation of the downstream targets Nbs1 and Chk2 and the MRN-dependent autophosphorylation of ATM at Ser1981 in response to DSBs. Mirin also inhibits the G2 checkpoint in TOSA4 cells, and homology-dependent DNA repair in HEK293 cells.  In cells with integrated HPV16 (SiHa), Mirin sensitizes HPV episomes to PA25 resulting in a ∼5-fold reduction of the PA25 IC50.  Pretreatment with mirin also decreases cell viability and inhibits proliferating cell nuclear antigen expression in cisplatin-treated human embryonic kidney 293 cells. 
Nuclease assay:Reactions with oligonucleotide nonhairpin substrates contains 25 mM MOPS (pH 7.0), 60 mM KCl, 0.2% Tween 20, 2 mM DTT, 1 mM or 5 MnCl2 (or 5 mM MgCl2, or 5 mM CaCl2), 0.1 pmol of DNA substrate, and 0.3 pmol of Mre11 (or an equivalent amount of Mre11 complexed with Rad50) in a volume of 10 μl, and are incubated at 37°C for 30 min. SDS, EDTA, and proteinase K are then added to final concentrations of 0.2%, 5 mM, and 0.1 mg/ml, respectively, and incubated for another 15 min. 4 μl of each reaction is mixed with 4 μl of formamide loading buffer, and then loaded onto a sequencing gel containing 10% acrylamide and 7 M urea. After the run, each gel is analyzed using a phosphorimaging system. Reactions containing hairpin substrates are identical to those with nonhairpin substrates except that 3 pmol of Mre11 is added to reactions as indicated, and the reactions are incubated at room temperature overnight. Nonhomologous end-joining reactions contains 25 mM MOPS (pH 7.0), 60 mM KCl, 0.2% Tween 20, 2 mM DTT, 4 mM MgCl2, 2 mM MnCl2, 0.5 mM ATP, 4 ng of plasmid DNA, 10% polyethylene glycol, 0.01 pmol of human DNA ligase I, and 0.06 pmol of Mre11 or 0.1 units of E. coli exonuclease III (GIBCO-BRL), in a volume of 10 μl. After incubation at 37°C for 25 min, Tween 20 is added to a final concentration of 0.5%, and a 2.5 μl aliquot is amplified by PCR using primers DAR5 and DAR147. PCR products are cloned using the TA cloning kit and sequenced using an automated ABI Capillary Genetic Analyzer.
|In vitro||DMSO||44 mg/mL (199.77 mM)|
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:
Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)
*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).
Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )
* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).
Molecular Weight Calculator
Enter the chemical formula of a compound to calculate its molar mass and elemental composition:
Tip: Chemical formula is case sensitive. C10H16N2O2 c10h16n2o2
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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