2014年7月30日星期三

3-Methyladenine|cas 5142-23-4| DC Chem|Supplier|Price|Buy  

3-Methyladenine|cas 5142-23-4| DC Chem|Supplier|Price|Buy
DC Chemicals Supply: 3-Methyladenine, Cas: 5142-23-4 ,Cat No. DC7348, Purity>98%, In stock.

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3-Methyladenine|cas 5142-23-4, Synonym name: 3-MA, Chemical name: 3-methyl-3H-purin-6-amine, Molecule weight: 149.15, Molecule Formula: C6H7N5

3-Methyladenine is a selective PI3K inhibitor for Vps34 and PI3Kγ with IC50 of 25 μM and 60 μM; blocks class I PI3K consistently, whereas suppression of class III PI3K is transient, and also blocks autophagosome formation.

The slight preference for Vps34 prevention by 3-Methyladenine probably arises from a hydrophobic ring specific to Vps34, which encircles the 3-methyl group of 3-Methyladenine. [1] 3-Methyladenine has been reported to cause cancer cell death under both normal and starvation conditions. 3-Methyladenine could also suppress cell migration and invasion independently of its ability to inhibit autophagy, implying that 3-Methyladenine possesses functions other than autophagy suppression. 3-Methyladenine elicits caspase-dependent cell death that is independent of autophagy inhibition. Treatment with 5 mM 3-Methyladenine reduces the percentage of glucose-starved HeLa cells displaying GFP-LC3 puncta to 23%. The levels of LC3-I are increasing and the levels of LC3-II are decreasing between 12 and 48 hours in cells that are treated with 3-Methyladenine. Conversion of LC3-I to LC3-II is suppressed by 3-Methyladenine. Treatment of HeLa cells with 3-Methyladenine at 2.5 mM or 5 mM for one day does not affect cell viability, whereas treatment with 10 mM 3-Methyladenine for one day causes a 25.0% decrease in cell viability. Treatment of cells with 2.5, 5 or 10 mM 3-Methyladenine for two days causes 11.5%, 38.0% and 79.4% decrease in viability, respectively. 3-Methyladenine decreases cell viability in a time- and dose-dependent manner. 3-Methyladenine significantly shortens the duration of nocodazole-induced-prometaphase arrest. [2] Suppression of autophagy by 3-Methyladenine inhibits SU11274-induced cell death. [3] Prolonged treatment with 3-Methyladenine (up to 9 hours) induces significant LC3 I to II conversion in wild type MEFs. Prolonged treatment with 3-Methyladenine, but not wortmannin, markedly increases GFP-LC3 punctuation/aggregation. 3-Methyladenine-induced LC3 conversion and free GFP liberation are ATG7-dependent. 3-Methyladenine treatment leads to evident increase of p62 protein level. 3-Methyladenine increases the p62 level even in Atg5?/? MEFs as well as in cells with DOX-mediated deletion of ATG5. 3-Methyladenine inhibits class I and class III PI3K in different temporal patterns. 3-Methyladenine-induced LC3 I to LC3 II conversion is dramatically compromised in Tsc2?/? cells compared with wild type cells.3-Methyladenine disrupts the anti-autophagic function of mTOR complex 1. [4] 3-Methyladenine blocks autophagy through its effect on class III phosphatidylinositol 3-kinase (PI3K). 3-Methyladenine treatment does not alter the degree of hemorrhage compared with the subarachnoid hemorrhage (SAH) group. 3-Methyladenine pretreatment significantly aggravates neurological symptoms when compared with the SAH + vehicle group. Autophagy is decreased when 3-Methyladenine treatment is applied. Conversely, cleaved caspase-3 is markedly up-regulated in the SAH + 3-Methyladenine group. In line with the up-regulation of cleaved caspase-3 expression, the number of TUNEL-positive cells in the right cortex is significantly increased in the SAH + 3-Methyladenine group compared with the SAH + vehicle group. [5]

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