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LectureOnePhysiologyandPathologyendocrinehomeostasisparabiosisdepolarizationpancreasthrombusruptureatherosclerosisglucagonendothelialitmakesenzymesforthedigestionoffats,carbohydratesandproteinsthataresecretedintothelumenoftheduodenumitproducesglucagonfromalphacellsandamylinandinsulinfrombetacells,whichallgetsecretedintothebloodGLUT2transportersmetabolizedtoproduceATPATPsensitivepotassiumchannelsinthemembraneandclosethemdepolarizationsincethepotentialforpotassiumtoleavehasdecreasedacorrespondingnumberofcalciumvoltage-gatedchannelstoopenpre-synthesizedvesiclescontaininginsulinandamylinenterthebloodGLUT2exocytosis中国药科大学ChinaPharmaceuticalUniversitybindtoinsulinreceptorslocatedonmuscleandfatcellstranslocationoftheglucosetransporterGLUT4intothecellmembraneglucosetoleavethebloodtoenterthemuscleandfatcellsfatstoredasglycogenorbeutilizedtomakeATP中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversitystemorganismspermsubcellular中国药科大学ChinaPharmaceuticalUniversitymitochondrianutrientsembryonic中国药科大学ChinaPharmaceuticalUniversitycontractbonemarrow中国药科大学ChinaPharmaceuticalUniversity
Vocabularymedication[ˌmedɪˈkeɪʃn]药物anemia[əˈnimiə]贫血osteoporosis[ˌɒstiəʊpəˈrəʊsɪs]骨质疏松症fracture[ˈfræktʃə(r)]骨折GERD:gastroesophageal[gæstrəʊiˈsɒfədʒɪəl]refluxdisease胃食管返流病asthma[ˈæsmə]哮喘gravity[ˈɡrævəti]重力sphincter[ˈsfɪŋktə(r)]括约肌nicotine[ˈnɪkətiːn]尼古丁中国药科大学ChinaPharmaceuticalUniversityTrueorFalse1.Heartburnisamedicalconditionrelatedtotheheart.2.Medicationistheonlywaytostopheartburn.3.Medicationsforheartburncanbetakenforlongperiodwithoutanyadversereactions(不良反应).4.Chewingbeforeswallowingisagoodeatinghabit.5.Whatisportionsize?Trytogetsomecluesfromthepicture.中国药科大学ChinaPharmaceuticalUniversityServingSizeversusPortionSize(食物份量)(食物分量)中国药科大学ChinaPharmaceuticalUniversity1.Isstickingtomedicationsalwaysagoodwaytodealwithheartburn?Andwhy?No.Medicationscouldbeprettyharmfultopeople.Thesemedicineswork,buttheyareonlysupposedtobetakenforashortperiodoftime.Patientsthatoverusethesemedicationshaveahigherincidenceofanemia,osteoporosis,andhipfractures.中国药科大学ChinaPharmaceuticalUniversity2.AccordingtoDoctorJorgeRodriguez,whatwillcauseGERD?FoodingestionAcidproductionAcidrefluxfromstomachtoesophagusburningsensationirritationtorespiratorytractandtriggeringofasthmapre-cancersorcanceroftheesophagus3.WhatwillbetheconsequencesofGERD?中国药科大学ChinaPharmaceuticalUniversity4.Whatarethepossiblewaystostopheartburn?Don’tgotobedorliedownrightafteryoueat;PropthebedPortionsizeChewthefoodbeforeswallowingLoosenyourbeltandsitupstraightTakeyourtimetoeatDon’tgethunchedover(弯腰驼背)Nolate-nighteatingCutdownthestressReducetheconsumptionofalcoholandnicotine…中国药科大学ChinaPharmaceuticalUniversity
Vocabularyrejuvenate[rɪˈdʒuːvəneɪt]使年轻,使更有活力cognition[kɒɡˈnɪʃn]认知neurodegenerativedisease神经退行性疾病neuropathologist神经病理学家Alzheimer’sdisease[ˈæltshaɪməzdɪziːz]阿尔茨海默病dementia[dɪˈmenʃə]痴呆susceptibility[səˌseptəˈbɪləti](疾病)易感性bioinformatics[ˌbaɪəʊˌɪnfəˈmætɪks]生物信息学chronological[ˌkrɒnəˈlɒdʒɪkl]按时间顺序的,按时间计算的inflammation[ˌɪnfləˈmeɪʃn]炎症中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity1.Whatcanwelearnfromtheverybeginningofthespeechwhenthespeakertalksaboutthepaintingfromthe16thcentury—theFountainofYouth?Everyculture,everycivilizationhasdreamedoffindingeternalyouth.ThereseemstobeaFountainofYouthformice.
----oldmusclefromamousecanberejuvenated,
ifit’sexposedtoyoungbloodthrougha
commoncirculation;----similarrejuvenatingeffectscouldbeobserved
inthepancreas,theliverandtheheart;----anoldmouseexposedtoayoungblood
showsayoungerbrain,andabrainthat
functionsbetter中国药科大学ChinaPharmaceuticalUniversity2.Whatchangesoccurwhenpeoplegetolder?Cognitiveabilitiesaredeclining.Thesynapsesstarttodeteriorate,neuronsdieandthebrainstartstoshrink.Thesusceptibilityfortheseneurodegenerativediseasesincreases.中国药科大学ChinaPharmaceuticalUniversity3.Howwastheexperimentabouttheanalysisofbloodsamplesfromhealthyhumanbeingswiththeageof20–89conducted?Whatwasrevealedfromtheexperiment?Almost300bloodsamplesfromhealthyhumanbeingswerecollectedandover100ofcommunicationfactorsweremeasured.
Abouthalfofthesefactorschangedsignificantlybetweentheyoungestandtheoldestgroup.
Thereisagoodcorrelationbetweenthechronologicalageandthebiologicalagepreidctedfromthesefactors.
Thereareoutliersthatarefarfromthecorrelationcurve.中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity1.Whatdidtheresearchersfindoutintheexperimentusingthemodelofparabiosis?Andwhatarethereasonsfortheseresults?Therearemoreneuralstemcellsthatmakenewneuronsintheseoldbrains.Therearemoregenesexpressedthatareknowntobeinvolvedintheformationofnewmemories.Thereislessbadinflammation.Itmustbethesolublefactorsintheblood—plasma—thatcausedthesechanges.中国药科大学ChinaPharmaceuticalUniversity2.Whatdidtheresearchersdototestthememoryofoldmice?Andwhatdidtheresultsreveal?Abigtableisdesignedtohavelotsofholesinit,butonlyoneofholesisconnectedwithatubemountedunderneath.Micecanbetrainedtofindthissingleholesincetheywanttoescapefromthebrightlight.Thetimeittakesforthemousetofindthiswholeisameasurementofmemory.中国药科大学ChinaPharmaceuticalUniversityTheoldmousetreatedwithyounghumanplasmashowedabettermemory.Younghumanplasmaalsocontainssomethingthatcanrejuvenateoldbrain.Youngbloodfactorscanreverseaging.
Old-bloodfactorscanaccelerateaging.中国药科大学ChinaPharmaceuticalUniversity3.Whatdoyouthinkofagereversal?Pleasemakeabriefcomment.MaybetheFountainofYouthisactuallywithinus.Ifthesefactorscouldbeidentified,wecouldchemicallysynthesizethemandusethemtotreatdiseasesofaging,suchasAlzheimer’sdisease.Toimprovethequalityoflifefortheelderly.Toincreaselifeexpectancyofhumans.中国药科大学ChinaPharmaceuticalUniversityAssignments:PartITask3InterpretationPartIITask3HomeostasisPartIIITask1PathogenesisofAtherosclerosis中国药科大学ChinaPharmaceuticalUniversityLectureTwoMicrobiology中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversitymacrophagecytokineepidemicconjugationchromosome中国药科大学ChinaPharmaceuticalUniversity
colony
phageproteaseplaceboallergy中国药科大学ChinaPharmaceuticalUniversitybeingsmallestinsizeaffectingneworganismsviruseshavetoinvadebodycellformultiplicationbeingunabletosurviveoutsidethehostforlong中国药科大学ChinaPharmaceuticalUniversitydon’tcauseanydiseasedigestionyouhaveweakimmunitymostlysimpleandcomplaintssubsidebythemselvesareonlyeffectiveagainstbacterialinfectionwashingyourhands,coveringyourmouthwithtissuepaperorclothwheneveryoucoughorsneezetakingpropercareoflittlewoundsbydisinfectingthemVaccine中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversityprogenychromosomes,genomesself-transmissiblehorizontal中国药科大学ChinaPharmaceuticalUniversitycomplementaryextracellularCompetencygeneticrecombination中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity
Vocabularyspore[spɔː(r)]孢子germinate[ˈdʒɜːmɪneɪt]萌芽,开始生长incubator[ˈɪŋkjubeɪtə(r)](细菌)培养箱allergic[əˈlɜːdʒɪk]过敏的species[ˈspiːʃiːz]种genus[ˈdʒiːnəs]属rash[ræʃ]皮疹中国药科大学ChinaPharmaceuticalUniversity1.WhatdidFlemingfindwhenhereturnedtothelabaftervacation?HefoundaPetridishwascontaminatedbyacolonyofmoldandnobacteriagrewinthezonesurroundingthiscolonyofmold.Fleminghypothesizedthatthemoldwassecretingsomekindofcompoundthatcouldkillthebacteria.PenicilliumcolonyStaphylococciundergoinglysisNormalStaphylococcalcolony中国药科大学ChinaPharmaceuticalUniversity2.Howdoespenicillindestroybacteria?Penicillindisruptsthesynthesisofthecellwallandpreventsitfrombeingreconstructedatacriticalphase.Meanwhile,penicillinstimulatesthe
releaseofhighlyreactivemolecules
thatcauseadditionaldamage.Thetwomechanismsworktogethertomakethecell’sstructurebreak
downcompletely.中国药科大学ChinaPharmaceuticalUniversityBecausemethodsfortheisolationandmassiveproductionofpenicillinhadn’tbeensuccessfullydeveloped.3.WhydidpenicillinremainalaboratorycuriositymanyyearsafterFleming’sdiscovery?4.Whydomanypeoplehavethemisperceptionthattheyareallergictopenicillin?Manypatientsmistakenlyattributethedevelopmentofrashafterpenicillintreatmenttoallergy.Actually,themorelikelyculpritistheoriginalinfection,orareactionbetweentheinfectionandtheantibiotic.Genuinepenicillinallergiesrarelyoccur.中国药科大学ChinaPharmaceuticalUniversity
Vocabularyemergencyuseauthorization紧急使用授权(atoolthattheFDAcanusetomakeaproductavailableduringapandemicwithoutfullevidenceofsafetyandeffectiveness)Paxlovid帕克洛维nirmatrelvir奈玛特韦ritonavir利托那韦remdesivir瑞德西韦hospitaladmission[ˈhɒspɪtlədˈmɪʃn]入院、住院tolerate[ˈtɒləreɪt](对药物)耐受antiarrhythmic[‘,æntɪə’rɪðmɪk]抗心律失常药antipsychotic[æntɪsaɪkɒtɪk]抗精神病药中国药科大学ChinaPharmaceuticalUniversity1.ForthepurposeofdealingwithCOVID-19,whatdoyouthinkaretheadvantagesoforaldrugsovervaccines?EasyandconvenientstorageandtransportationSelf-administeredandpain-free
Thesimplest,mostconvenient,andsafestmeansofdrugadministration
Providetreatmentoptionwhenvaccinesfailtopreventtheinfection中国药科大学ChinaPharmaceuticalUniversity2.DoyouknowotherdrugcombinationsthatcanproducesynergisticeffectasinthecaseofPaxlovid?PaxlovidNirmatrelvir:apotentproteaseinhibitortargetingaproteasethatcutsproteinsneededbySARS-CoV-2forviralreplicationRitonavir:apotentinhibitorofP450thatisinvolvedinthemetabolismofnirmatrelvir中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversity中国药科大学ChinaPharmaceuticalUniversityAssignment:searchforthesynergisticmechanismoflevodopaandcarbidopacombinationforthetreatmentofParkinson'sdiseaseLevodopaisaprodrugofdopamine;Levodopaisabletocrosstheblood-brainbarrierandthenmetabolisedbydecarboxylasetodopamine;Carbidopaisadecarboxylaseinhibitorlikethatpreventslevodopametabolismuntilafterithascrossedtheblood-brainbarrier.中国药科大学ChinaPharmaceuticalUniversity3.WhatarethemajorclinicalbenefitsofPaxlovidaccordingtotheinterimdataofphase2andphase3studies?PatientswhotookPaxlovidwithinthreedaysofCOVIDsymptomshadan89%lowerriskofhospitaladmissionordeathwhencomparedtoaplacebogroup;Patientstreatedwithinfivedaysofsymptomonsethadsimilarreductionsintheriskofhospitaladmissionordeath;SimilarratesofadverseeventswerereportedforPaxlovid
andplacebogroups,indicatingthatthetreatmentwaswelltolerated;PatientswhoreceivedPaxlovidhadasignificantlylowerrateofseriousadverseevents.中国药科大学ChinaPharmaceuticalUniversity
Vocabularyedge(微弱的)优势staphylococcusaureus[ˌstæfɪləˈkɒkəs][ˈɔːrɪəs]金黄色葡萄球菌MRSA(methicillin-resistantstaphylococcusaureus)耐甲氧西林金黄色葡萄球菌salmonella[sælmənelə]沙门氏菌
E.coli[ˌiːˈkəʊlaɪ]大肠杆菌pneumonia[njuːˈməʊniə]肺炎
sepsis[ˈsepsɪs]脓毒症β-lactamantibiotics[ˈlæktæm]β-内酰胺类抗生素oxacillin[ˌɒksəˈsɪlɪn]苯唑西林
quinolone[ˈkwɪnəˌləʊn]喹诺酮类抗生素中国药科大学ChinaPharmaceuticalUniversityTrueorFalse1.Therearemoremicrobialcellsinaperson'sbodythanhumancells.2.Mostofthehugenumberofbacterialcellsinsideyoucancauseharmfulinfections.3.Allantibioticsareproducedfromnaturalsourceslikemold.4.Antibioticscankillorinhibitthegrowthofbacteria,andtheyarealsoharmfultohumancells.5.Someantibioticsstopworkingbecausetherearesomeproblemswiththeseantibioticsthemselves.6.Abacteriumoftenundergoesmutationsandmanyofthese
mutationsaremeaningful,forexample,makingitresistanttoacertainantibiotic.7.Reproductionistheonlywaytopasstheresistantgene.中国药科大学ChinaPharmaceuticalUniversity1.Howdobacteriabecomeresistantandhowdotheypasstheresistantgenes?----vertical(reproduction)----horizontal(DNAreleasedbydeadbacteriaispickedupbyanotherbacterium,conjugation/connectingthroughpilitosharethegenes)----mutations;----killingofnon-resistancebacteriainantibiotic-richenvironmentleavesmoreroomandresourcesfortheresistantonesCauses:Transferofresistantgenes:中国药科大学ChinaPharmaceutica
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