Asthegeneralpopulationandveteransage,theirheartswillundergodramaticchangesthatwillreducetheir capacitytoworkefficientlyandincreasetheirsusceptibilitytoinjury.Inaddition,thereareanumberofco- morbiditiessuchasdiabetesthatensuewithagethatwillfurtherimpacttheheartanditsadaptationtostress. Interventionsthathelptoprotecttheheartfrominjuryarelikelytobeusefulinpatientsathighriskfor cardiovascularevents.Alongwiththegeneralpopulation,asveteransage,therewillbeanincreasingburden ofhealthcareassociatedwithagethatleadtocardiovasculardysfunction.Thereareanumberofmolecular targetsthatmaybecriticalinprotectionofthemyocardiumtostressbutaunifyingfactorhasbeenelusive,and thusapharmacologictargetnotwelldefined.Itispossiblethatmultiplepathwaysofstressadaptationsharean interconnectedmediatorthatmaybetargetedtherapeutically.ThePatelLaboratoryhasbeenfocusedon identifyingnovelanduniquemediatorsthatregulateamultitudeofpathwaysandmaythereforebeviable therapeuticendpointsforcardiovasculardisease.ThelaboratoryhasaspecificinterestincaveolinandA- kinaseinteractingprotein.Thereisclearclinicalimplicationandneedforinterventionsthatlimittheseverityof injurythatoccurstothemyocardium,asthisisamajorriskfactortomorbidityandmortality.Interventionsthat helptoprotecttheheartarelikelytobeusefulinmanypatients.Also,thebasicnatureofthestudiesunderway inthePatelLaboratorytounderstandthefundamentalphysiologyofthecellmayalsobebroadlyapplicableto othersorgansanddiseasesystemsincludingbutnotlimitedtocancerbiology,neurodegeneration,nephrology, urology,musclephysiology,pulmonarydiseases,andthebiologyofaging. ThePatelLaboratoryhasbeenspecificallyinterestedinassessingtheimpactofcaveolae,membrane microdomainsenrichedinlipidsandthestructuralproteincaveolin,oncardiacphysiologyandpathophysiology foroveradecade.Ongoingandcollaborativestudieswithothernationalandinternationalinstitutionshas resultedinexpansioninmultipleorgansystemsandthepotentialtotranslatebasicfindingstoanumberof clinicalproblems.In2004Dr.Patelperformedaverysimpleexperimentwherecaveolaedisruptionshowed thatbothischemia-andopioid-inducedcardiacprotectionwaslost.Thissingleexperimentlaunchedfurther inquiryintodefiningtheroleofcaveolaeintheheartespeciallyasitrelatestodiseasepathology;?thiswasthe initialresearchfundedbyaScientistDevelopmentGrantfromtheAmericanHeartAssociation.Thelaboratory hassustainedandexpandedthisfocusovertheyearstouncoverfundamentalbiologytodefinetheroleof caveolaeincardiacdiseaseanddeveloptoolstotargetthistherapeutically.ThePatelLaboratoryhasalso uncoveredaspecific,critical,andinterconnectedroleofcaveolininregulatingcellularmetabolismthatisbeing appliedtomorecomplexstudiesrelatedtoneuroscience,cancer,diabetes,aging,andrenalbiology.

Public Health Relevance

AsthegeneralpopulationandVeteransage,theirheartswillundergodramaticchangesreducingtheir capacitytoworkefficientlyandincreasesusceptibilitytoinjury.Veteransalsoexperienceanumberofdiseases (i.e.,diabetes,kidneyfailure,liverdisease,etc.)thatwillallimpactdirectlyorsecondarilytodysfunctioninthe heart.TheresearchperformedinthePatelLaboratorydeterminestounderstandnovelmechanismsforstress adaptationintheheart.Thesemechanismswillallowidentificationtherapeuticsforheartdiseasetolimitthe morbidityandmortalitylinkedtocardiovasculardisease.Thereisclearclinicalimplicationandneedfor interventionslimitingseverityofinjurytothemyocardiumduringstressinthesettingofage.Interventionsthat helptoprotecttheheartmaybeusefulinpatientsundergoingsurgeryespeciallythoseathighriskfor cardiovascularevents.TheresearchhasthebroadpotentialtoimpacthealthyagingintheVeteranpopulation inanumberofareasincludingbutnotlimitedtocancerbiology,neurodegeneration,andvascularbiology.

Agency
National Institute of Health (NIH)
Institute
Veterans Affairs (VA)
Project #
1IK6BX005229-01
Application #
9994622
Study Section
Special Emphasis Panel (ZRD1)
Project Start
2020-04-01
Project End
2025-03-31
Budget Start
2020-04-01
Budget End
2021-03-31
Support Year
1
Fiscal Year
2020
Total Cost
Indirect Cost
Name
VA San Diego Healthcare System
Department
Type
DUNS #
073358855
City
San Diego
State
CA
Country
United States
Zip Code
92161