 Wysłany: Sob 22:53, 26 Lut 2011 Temat postu: Nobel Prize in Chemistry in 2003 - from October 8, |
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Nobel Prize in Chemistry in 2003 - from October 8,Moncler prezzi, 2003 data released stodisposeof. Initswindings (termedglomemli), whichfunctionasasieve, water, ionsandothersmallmoleculesleavethebloodas'primary'urine. Over24hours, about170litresofprimaryurineisproduced. Mostofthisisre · absorbedwithaseriesofcunningmechanismsSOthatfinallyaboutonelitreofurineadayleavesthebody. Fromtheglomemli,p90x workout schedule, primaryurineispassedonthmughawindingtubewhereabout70% ofthewaterisreabsorbedtothebloodbytheaquaporinAQP1. Attheendofthetube, another10% ofwaterisreabsorbedwithasimilaraquaporin, AQP2. A-partfromthis,supra shoes outlet, sodium, potassiumandchlorideionsarealsoreab. SOrbedintotheblood. Antidiuretichormone (vasopressin) stimu. 1aresthetransportofAQP2tocellmembranesinthetubewallsandhenceincreasesthewaterresorptionfromtheurine. Peoplewithadeficiencyofthishormonemightbeaffectedbythedis-easediabetesinsipiduswithadaffyurineoutputof10 a l5litres. (Tobecontinued) CytoprotectiveRoleofCa2 a ActivatedKChannelsintheCardiacInnerMitOchOndrialMembraneIonchannelsorthemitochondrialinnermembraneinfluencecellfunctioninspecificwaysthatCanbedetrimentalorbenefi-cialtocellsurviva1. Atleastonetypeofpotassium (K) chan · nel, themitochondrialadenosinetriphosphate-sensitiveKchannel (mitoKTP),tory burch outlet, isanimportanteffectorofprotectionagainstnecroticandapoptoticcellinjuryafterischemia. Hereanotherchannelwithpropertiessimilartothesurfacemembranecalciu-mactivacedKchannelwasfoundonthemitochondrialinnermembrane (mitoKca) ofguineapigventricularcells. MitoKcsignificantlycontributedtomitochondrialKuptakeofthemy-ocyte, andanopenerofmitoKcaprotectedheartsagainstinfatc-tion |
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