Secretin Acetate

Cov secretin acetateyog ib qho tseem ceeb endogenous polypeptide regulator dav faib nyob rau hauv tib neeg lub cev, nrog rau cov receptors tshwj xeeb qhia nyob rau hauv ntau lub hlwb tseem ceeb cheeb tsam ntawm lub hauv paus paj hlwb. Lub hauv paus anatomical thiab molecular no ua rau nws tuaj yeem koom nrog hauv kev tswj hwm ntawm lub hauv nruab nrab neural kev ua si thiab ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm lub paj hlwb.

Tau ntev, kev tshawb fawb txog nws tau nthuav dav ntxiv, thiab nws cov txiaj ntsig muaj peev xwm ntawm cov kab mob neurological tau maj mam nyiam cov neeg nyiam. Tsab ntawv xov xwm no tsom mus rau cov teebmeem thiab cov txheej txheem tshwj xeeb ntawm cov tshuaj no hauv ob hom kab mob neurological -autism spectrum disorder thiab Parkinson's disease, systematically elaborates on its intervention effect, tej zaum neural regulatory mechanism, thiab uas twb muaj lawm kev tshawb fawb txwv, aiming ntxiv kev nkag siab ntawm secretin's neural regulatory muaj nuj nqi thiab muab cov kev tshawb fawb txog cov kab mob.

 

Peb Cov Khoom Muag Khoom

 

Secretin COA

Cov secretin acetatethiab nws cov receptors tshwj xeeb tau muab faib rau ntau thaj tsam ntawm lub paj hlwb ntawm lub hauv paus paj hlwb, muab lub hauv paus anatomical rau lawv txoj kev koom tes hauv kev tswj hwm ntawm neural functions. Cov kws tshawb fawb tau ua ntau yam kev tshawb fawb hauv paus thiab soj ntsuam ntawm daim ntawv thov ntawm no peptide nyob rau hauv ob yam kab mob neurological: autism spectrum disorder thiab Parkinson tus kab mob. Ob qho tib si nws cov teebmeem thiab cov txheej txheem hauv qab tau ua tiav qhov kev tshawb pom, thiab tag nrho cov kev tshawb fawb cuam tshuam tau ua los ntawm nws tus kheej ntawm lwm yam kev tswj hwm lub cev xws li kev zom zaub mov thiab cov metabolism.

(I) Kev tswj hwm ntawm Neural Hluav Taws Xob Hluav Taws Xob hauv Cheeb Tsam Ua Haujlwm Hauv Lub Hlwb ntawm Central Nervous System-Specific Receptors

Secretin-cov receptors tshwj xeeb tau nthuav dav thoob plaws hauv lub hauv paus paj hlwb thiab tau qhia nyob rau hauv cov cheeb tsam tseem ceeb ntawm lub paj hlwb koom nrog kev tswj hwm kev coj noj coj ua, kev paub txog kev ua haujlwm, thiab cov lus teb rau lub siab, xws li prefrontal cortex, amygdala, thiab hippocampus. Nws tuaj yeem ncav cuag cov cheeb tsam ntawm lub hlwb los ntawm cov hlab ntsha lossis cov kev thauj mus los tshwj xeeb, khi rau lawv cov receptors tshwj xeeb, thiab tom qab ntawd hloov kho neuronal firing zaus, teeb liab kis lub zog, thiab synchronization hauv cheeb tsam sib thooj. Cov neeg mob autism spectrum teeb meem feem ntau pom muaj qhov txawv txav ntawm cov hluav taws xob neural hauv cov cheeb tsam ntawm lub hlwb. Lub luag haujlwm tswj hwm ntawm nws lub hom phiaj los kho qhov cuam tshuam txog kev ua haujlwm neuroelectrophysiological, muab lub hauv paus neuroelectrophysiological rau kev txhim kho kev sib raug zoo, kev xav, thiab kev txawj ntse.

(II) Kev Kho Mob ntawm Metabolic thiab Tso Tawm Qhov Tseem Ceeb ntawm Central Neurotransmitters

Kev tsis sib haum xeeb hauv central neurotransmitters yog ib qho tseem ceeb ntawm cov txheej txheem pathophysiological hauv kev puas siab puas ntsws spectrum. Nws tuaj yeem koom nrog kev tswj hwm ntau yam kev ua haujlwm ntawm lub cev ntawm cov neurotransmitters tseem ceeb hauv lub hauv paus paj hlwb, nrog rau lawv cov synthesis, tso tawm, presynaptic reuptake, thiab degradation. Los ntawm txoj cai tswjfwm no,Cov secretin acetatepab tswj kom muaj qhov sib npaug ntawm qhov sib npaug ntawm excitatory thiab inhibitory neurotransmitters, yog li txhim kho qhov txawv txav ntawm neural teeb liab kis tau los ntawm neurotransmitter dysregulation. Txhim khu kev ruaj ntseg hauv neural signal kis tau tus mob tuaj yeem pab txo cov tsos mob tseem ceeb xws li kev coj cwj pwm tsis zoo, kev xav tsis zoo, thiab kev tshem tawm hauv zej zog hauv cov neeg mob, sawv cev rau ib qho tseem ceeb neurotransmitter- theem mechanism rau nws cov txiaj ntsig kev kho mob.

(III) Kev Hloov Kho ntawm Neural Synaptic Plasticity thiab Remodeling ntawm Kab Mob Neural

Neural synaptic plasticity yog lub hauv paus tseem ceeb rau kev tsim kev sib txuas ntawm cov neurons thiab tsim ua haujlwm neural circuits. Cov neeg mob uas muaj autism spectrum teeb meem feem ntau pom muaj qhov txawv txav synaptic kev loj hlob thiab cuam tshuam kev sib txuas ntawm neural circuits. Secretin tuaj yeem koom nrog hauv kev tswj kev tsim, kev loj hlob, thiab pruning txheej txheem ntawm neural synapses, yog li txhim kho synaptic plasticity. Los ntawm kev txhim kho cov qauv synaptic thiab kev ua haujlwm, qhov no pab kho qhov txawv txav ntawm kev sib txuas ntawm neural circuits thiab rov tsim kho neural txoj hauv kev cuam tshuam nrog kev sib raug zoo, kev paub lus, thiab kev tswj kev xav. Cov txheej txheem no muab kev txhawb nqa theoretical rau lub peev xwm kho lub luag haujlwm ntawm nws los ntawm qhov kev xav ntawm neural txoj kev loj hlob thiab kev hloov kho ntawm neural circuit, uas kuj yog ib qho laj thawj tseem ceeb rau nws kev koom nrog hauv kev puas siab puas ntsws- ntsig txog kev tshawb fawb.

01.Neuroprotective Effects hauv Cellular Experiments (In Vitro Validation)

Hauv kev sim hauv vitro cellular, cov kws tshawb fawb feem ntau siv cov kab mob Parkinson-cov qauv ntawm cov kab mob neuronal (xws li dopaminergic neuronal cell kab lossis thawj dopaminergic neurons) thiab simulate cov txheej txheem pathological ntawm kev puas hlwb neuronal thiab apoptosis hauv Parkinson tus kab mob los ntawm kev ntxiv cov kab mob sib xyaw ua ke xws li MP6, MPT los yog MPT. Secretin intervention yog ces tswj. Cov txiaj ntsig kev sim qhia tau tias nws ua kom muaj txiaj ntsig zoo ntawm cov neurons puas, txo cov neuron morphological abnormalities tshwm sim los ntawm cov kab mob pathogenic (xws li neurite fragmentation thiab soma shrinkage), thiab txo qis qhov feem ntawm kev ua haujlwm dopaminergic neurons nyob rau hauv apoptosis. Qhov no tshwj xeeb tshaj yog tshwm sim raws li kev txo qis ntawm apoptosis-hais txog cov proteins thiab txo qis kev tsim ntawm apoptotic lub cev, ua kom cov txheej txheem kev puas tsuaj ntawm dopaminergic neurons. Tsis tas li ntawd, qee qhov kev tshawb fawb tau pom tias nws tuaj yeem txhawb kev noj zaub mov me ntsis ntawm cov neurons puas, txhim kho lawv txoj kev ua siab ntev rau cov kab mob stimuli, yog li muab kev txhawb zog hauv vitro theoretical txhawb rau tom ntej hauv vivo kev sim.

02.Neuroprotective Effects in Tsiaj Experiments (In Vivo Validation)

 

Hauv kev sim tsiaj hauv vivo, nas lossis nas feem ntau yog siv los tsim cov qauv kab mob Parkinson (xws li MPTP-mob cov qauv los yog 6-OHDA stereotactic txhaj nas qauv). Cov qauv no raug simulate cov yam ntxwv tseem ceeb ntawm tib neeg tus kab mob Parkinson, suav nrog cov kab mob degenerative ntawm dopaminergic neurons, lub cev muaj zog, thiab tsim cov kab mob sib txawv hauv lub hlwb. Tom qab tswj hwm Secretin cuam tshuam rau cov qauv tsiaj (feem ntau ntawm kev txhaj tshuaj intraperitoneal, txhaj tshuaj intravenous, lossis intracerebroventricular txhaj), kev soj ntsuam mus sij hawm ntev thiab kev ntsuam xyuas qhia tau hais tias nws ua kom pom tseeb cov teebmeem ntawm neuroprotective: Ua ntej, nws ua tau zoo slows cov txheej txheem degenerative ntawm dopaminergic neurons nyob rau hauv substantia los nigra smid parsin nce qib ntawm cov neurons. ntawm dopamine thiab nws cov metabolites hauv lub hlwb, thiab txhim kho kev ua haujlwm ntawm dopaminergic neural pathways.

Thib ob, nws txo qis kev ua haujlwm tsis zoo hauv cov qauv tsiaj, tshwj xeeb tshaj yog tshwm sim raws li kev txo qis kev tshee thiab amplitude hauv cov ceg, txhim kho cov tsos mob ntawm bradykinesia, thiab txhim kho cov qhab nia zoo hauv kev ntsuam xyuas xws li kev xeem ncej, rotarod test, thiab sib npaug beam xeem, pab cov qauv tsiaj ib nrab regain autonomous lub cev muaj zog. Thib peb, nws txo qis cov kev cuam tshuam hauv zos txawv txav hauv lub hauv nruab nrab paj hlwb, txo cov kev sib sau ntawm cov kab mob inflammatory hauv lub hlwb, inhibits qhov pib txuam ntawm cov kab mob pathological, alleviates microenvironmental cuam tshuam nyob ib ncig ntawm neurons, thiab muab cov xwm txheej ruaj khov rau kev ciaj sia ntawm dopaminergic neurons.

03.Molecular thiab cellular theem neuroprotective mechanisms

 

Ua kom muaj kev tiv thaiv -Kev puas tsuaj rau kev cuam tshuam los thaiv Dopaminergic Neuronal Apoptosis

Qhov no yog lub hauv paus molecular mechanism los ntawm qhov secretin exerts nws cov teebmeem neuroprotective hauv Parkinson tus kab mob. Nyob rau hauv pathological kev loj hlob ntawm tus kab mob Parkinson, txawv txav apoptosis ntawm dopaminergic neurons nyob rau hauv lub substantia nigra pars compacta ntawm lub midbrain yog ib qho tseem ceeb ntawm txoj kev loj hlob ntawm tus kab mob thiab yog ib qho tseem ceeb ua rau lub cev tsis muaj zog nyob rau hauv cov neeg mob. Nws tuaj yeem hla cov ntshav- lub hlwb thaiv ntawm cov hlab ntsha thiab khi rau cov receptors tshwj xeeb rau ntawm qhov chaw ntawm dopaminergic neuronal cell membranes. Qhov kev ua kom no ua rau muaj ntau yam kev tiv thaiv intracellular los tiv thaiv-kev puas tsuaj thiab tiv thaiv-apoptotic signaling pathways hauv neurons, nrog rau PI3K/Akt thiab ERK1/2 signaling pathways yog nws cov thawj tswj lub hom phiaj. Thaum ua haujlwm, cov txheej txheem no tau hloov kho cov kev ua haujlwm ntawm ntau yam kev ua haujlwm qis qis los ntawm kev hloov kho phosphorylation.

Ntawm ib sab, lawv txhim kho qhov kev ntxhov siab thiab kev puas tsuaj ntawm dopaminergic neurons lawv tus kheej, ntxiv dag zog rau lawv lub peev xwm los tiv thaiv exogenous pathogenic inducers xws li MPTP thiab 6-OHDA thiab txo cov kev puas hlwb ncaj qha los ntawm cov kab mob pathogenic. Ntawm qhov tod tes, lawv ncaj qha thaiv cov kab sib txuas ntawm cov cim apoptotic, inhibit qhov kev hloov pauv thiab kev qhia ntawm apoptosis-cov noob caj noob ces, thiab txo cov synthesis thiab activation ntawm apoptosis-txog cov proteins xws li tsev neeg caspase. Qhov no ua rau muaj kev cuam tshuam ntau dhau ntawm apoptosis ntawm dopaminergic neurons, tswj lawv cov qauv morphological thiab kev ua haujlwm ntawm lub cev, thiab ua rau cov kab mob pathological qeeb ntawm Parkinson tus kab mob.

 

Inhibition ntawm Neuroglial Cell Overactivation kom Optimize Central Nervous System Microenvironment

Kev ua kom tsis zoo ntawm cov hlwb neuroglial nyob rau hauv lub hauv nruab nrab paj hlwb yog ib qho tseem ceeb pathological yam exacerbating dopaminergic neuronal puas nyob rau hauv Parkinson tus kab mob. Thaum lub sij hawm pathological kev loj hlob ntawm Parkinson tus kab mob, microglia thiab astrocytes nyob rau hauv lub hlwb ua txawv txav, nkag mus rau hauv lub xeev ntawm overactivation. Cov kab mob glial no tau tso tawm ntau dhau los ua rau cov kab mob neurotoxic inflammatory mediators xws li TNF- , IL-1 , thiab TSIS TAU, ua rau cov lus teb mob ntev hauv lub hauv nruab nrab paj hlwb. Qhov no cuam tshuam rau microenvironment homeostasis xav tau rau dopaminergic neuronal ciaj sia taus thiab ua kom cov neuronal puas thiab poob. Los ntawm cov kev tswj hwm molecular tshwj xeeb, Secretin ua rau muaj kev cuam tshuam ntau dhau ntawm microglia thiab astrocytes, txo qhov tso tawm thiab tso tawm ntawm lawv cov neurotoxic inflammatory mediators.

Nyob rau tib lub sijhawm, nws txo qis qhov ua kom muaj zog ntawm qhov mob -txog cov kev taw qhia xws li NF-κB, txo qis cov lus teb mob ntev hauv lub hauv nruab nrab paj hlwb thiab txo cov kev puas tsuaj tsis tu ncua los ntawm cov neeg kho mob inflammatory rau dopaminergic neurons. Ntxiv thiab,secretin acetatetuaj yeem hloov kho astrocyte muaj nuj nqi los txhawb kev tso tawm ntawm cov tshuaj neurotrophic xws li lub hlwb - tau txais cov txiaj ntsig neurotrophic (BDNF) thiab glial cell kab - tau txais txiaj ntsig neurotrophic (GDNF). Qhov no muab cov khoom noj muaj txiaj ntsig zoo rau kev kho thiab ciaj sia ntawm dopaminergic neurons, ntxiv dag zog rau lub hauv paus paj hlwb microenvironment thiab tso lub hauv paus ruaj khov rau kev tiv thaiv neuronal.

Kev tswj ntawm Autophagy Pathways kom tshem tawm qhov txawv txav ntawm cov kab mob hauv lub hlwb

Qhov txawv txav, sib sau ua ke, thiab tsim ntawm Lewy lub cev los ntawm -synuclein hauv lub hlwb yog ib qho ntawm cov kab mob feem ntau ntawm Parkinson tus kab mob. Cov kab mob sib txawv no tsis tu ncua ua rau cov dopaminergic neurons, cuam tshuam cov teeb liab neural kis tau tus mob, thiab ntxiv kom txo qis ntawm neural muaj nuj nqi. Cov kev tshawb fawb kev sim uas twb muaj lawm qhia tau hais tias nws muaj peev xwm tswj tau cov kev ua ntawm autophagy txoj hauv kev nyob rau hauv dopaminergic neurons, txhim khu kev qha thiab kev ua ub no theem ntawm autophagy- cuam tshuam cov proteins (xws li Beclin-1 thiab LC3). Qhov no txhawb kev saib xyuas ntawm cov txheej txheem autophagy cellular ntawm ib txwm muaj physiological theem. Thaum ua haujlwm nruab nrab, txoj hauv kev autophagy tuaj yeem paub meej, encapsulate, thiab degrade abnormally accumulated -synuclein thiab puas organelles nyob rau hauv lub hlwb.

Qhov no txo ​​cov deposition thiab tsub zuj zuj ntawm tej yam teeb meem nyob rau hauv cov neurons, yog li alleviating lawv persistent lom puas tsuaj rau dopaminergic neurons thiab slowing lub degenerative hloov nyob rau hauv neural muaj nuj nqi. Cov txheej txheem no yog ib qho tseem ceeb ntxiv rau Secretin's neuroprotective teebmeem hauv Parkinson's kab mob, ntxiv refining nws multidimensional synergistic tiv thaiv molecular logic.

Cim npe nrov: Tuam Tshoj secretin acetate manufacturers, lwm tus neeg