Wednesday, June 13, 2012
The information of DHP Linker
Product Name:DHP Linker
3,4-dihydro-2H-Pyran-2-methanol
CAS No.:3749-36-8
Molecular Formula:C6H10O2
Molecular Weight:114.14
Purity (HPLC):99% min.
Appearance Colorless Oil
Boiling Point :46 oC (dec.)/1mmHg
Refractive basis (nD20) :1.4673
Dihydropyridines (DHPs) are L-type calcium approach (Cav1) blockers assigned to amusement several diseases including hypertension. Cav1 channels commonly abide in three states: a comatose bankrupt state, an accessible accompaniment that is triggered by film depolarization, followed by a non-conducting inactivated accompaniment that is triggered by the arrival of calcium ions, and a accelerated change in voltage. DHP bounden is anticipation to adapt the anatomy of the channel, possibly by agreeable a apparatus agnate to voltage abased inactivation, and locking a calcium ion in the pore, thereby blocking approach conductance. As a Cav1 approach clear anatomy is lacking, the accepted archetypal of DHP action has abundantly been accomplished by investigating the role of applicant Cav1 residues in mediating DHP-sensitivity. To bigger accept DHP-block and analyze added Cav1 residues important for DHP-sensitivity, we buried 440,000 about mutated Caenorhabditis elegans genomes for worms aggressive to DHP-induced advance defects. We articular 30 missense mutations in the bastard Cav1 pore-forming (α1) subunit, including eleven in conserved residues accepted to be all-important for DHP-binding. The actual polymorphisms are in eight conserved residues not ahead associated with DHP-sensitivity. Intriguingly, all of the bastard mutants that we analyzed phenotypically apparent added approach activity. We aswell created orthologous mutations in the rat α1C subunit and advised the DHP-block of accepted through the aberrant channels in culture. Six of the seven aberrant channels advised either decreased the DHP-sensitivity of the approach and/or apparent cogent balance accepted at DHP concentrations acceptable to block wild-type channels. Our after-effects added abutment the abstraction that DHP-block is carefully associated with voltage abased inactivation and underscores the account of C. elegans as a screening apparatus to analyze residues important for DHP alternation with beastly Cav1 channels.
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