KEVID-19: Mob ntsws mob hnyav cuam tshuam rau lub plawv los ntawm "kev hloov plawv macrophage" 

Nws paub tias Covid-19 nce qhov kev pheej hmoo ntawm lub plawv yuav nres, stroke, thiab Long Covid tab sis qhov tsis paub yog qhov kev puas tsuaj tshwm sim vim tus kab mob kis mus rau hauv lub plawv cov ntaub so ntswg nws tus kheej, los yog vim muaj kab mob. o pib los ntawm lub cev lub cev tiv thaiv kab mob. Hauv kev tshawb fawb tshiab, cov kws tshawb nrhiav pom tias tus kab mob SARS-CoV-2 tau nce tag nrho cov plawv macrophages thiab ua rau lawv hloov ntawm lawv txoj haujlwm ib txwm ua rau mob. Cov kab mob plawv macrophages ua rau puas tsuaj lub plawv thiab lwm yam ntawm lub cev. Cov kws tshawb fawb tseem pom tau tias thaiv lub cev tiv thaiv kab mob nrog cov tshuaj tiv thaiv kab mob tsis zoo hauv tus qauv tsiaj nres qhov ntws ntawm cov hlab plawv. macrophages thiab khaws cia lub plawv ua haujlwm qhia tias txoj hauv kev no muaj peev xwm kho tau. 

Nws paub tias COVID-19 ua rau muaj kev pheej hmoo ntawm lub plawv nres, mob stroke, thiab Ntev COVID. Tshaj li 50% ntawm cov neeg uas tau txais COVID-19 muaj qee qhov mob lossis puas rau lub plawv. Dab tsi tsis paub yog tias qhov kev puas tsuaj tshwm sim vim tus kab mob kis mus rau hauv lub plawv cov ntaub so ntswg nws tus kheej, los yog vim muaj kev mob tshwm sim los ntawm lub cev tiv thaiv kab mob. 

Ib txoj kev tshawb nrhiav tshiab pom qhov sib txuas ntawm kev raug mob ntsws loj hauv COVID-19 hnyav thiab qhov mob uas tuaj yeem ua rau mob plawv. Txoj kev tshawb no tsom mus rau lub cev tiv thaiv kab mob hu ua cardiac macrophages, uas ib txwm ua lub luag haujlwm tseem ceeb hauv kev ua kom cov ntaub so ntswg noj qab haus huv tab sis ua rau mob rau kev raug mob xws li mob plawv lossis mob plawv.  

Cov kws tshawb fawb tau tshuaj xyuas cov ntaub so ntswg plawv los ntawm 21 tus neeg mob uas tuag los ntawm SARS-CoV-2-associated acute respiratory distress syndrome (ARDS) thiab muab piv nrog cov qauv ntawm 33 tus neeg mob uas tuag los ntawm qhov tsis yog-COVID-19. Txhawm rau ua raws li qhov tshwm sim rau macrophages tom qab kis kab mob, cov kws tshawb fawb kuj tau kis cov nas nrog SARS-CoV-2.  

Nws tau pom tias tus kab mob SARS-CoV-2 tau nce tag nrho cov plawv macrophages hauv tib neeg thiab nas. Tus kab mob kuj ua rau lub plawv macrophages hloov ntawm lawv cov haujlwm ib txwm ua rau mob. Cov kab mob inflammatory macrophages ua rau lub plawv thiab tag nrho lub cev.    

Ib txoj kev tshawb fawb tau tsim nyob rau hauv cov nas los kuaj seb cov lus teb uas lawv pom tau tshwm sim vim SARS-CoV-2 tau kis mus rau lub plawv ncaj qha, lossis vim tias tus kab mob SARS-CoV-2 hauv lub ntsws yog qhov hnyav txaus los ua rau lub plawv macrophages ntau dua. Txoj kev tshawb no tau ua raws li cov cim qhia ntawm lub ntsws, tab sis tsis muaj tus kab mob tiag tiag. Nws tau pom tias txawm tias tsis muaj tus kab mob no, cov nas tau pom tias lub cev tiv thaiv kab mob muaj zog txaus los tsim tib lub plawv macrophage hloov pauv uas tau pom ob qho tib si hauv cov neeg mob uas tuag los ntawm COVID-19 thiab cov nas kis kab mob SARS-CoV-2. . 

Tus kab mob SARS-CoV-2 ncaj qha ua rau muaj kev puas tsuaj rau lub ntsws. Tom qab a Covid kev kis kab mob, ntxiv rau qhov kev puas tsuaj ncaj qha los ntawm tus kab mob, lub cev tiv thaiv kab mob tuaj yeem ua rau lwm yam kabmob los ntawm kev ua kom muaj zog ntawm lub cev.  

Interestingly, nws kuj pom tau hais tias thaiv lub cev tiv thaiv kab mob nrog ib tug neutralizing antibody nyob rau hauv cov nas nres qhov khiav ntawm inflammatory cardiac macrophages thiab khaws cia lub plawv muaj nuj nqi. Qhov no qhia tau tias txoj hauv kev no (viz. suppressing o tuaj yeem txo cov teeb meem) muaj peev xwm kho tau yog tias pom muaj kev nyab xeeb thiab ua tau zoo hauv kev sim tshuaj.  

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References:  

  1. NIH. Xov Xwm Tshaj Tawm - Mob ntsws mob hnyav thaum lub sij hawm COVID-19 tuaj yeem ua rau lub plawv puas. Tshaj tawm 20 Lub Peb Hlis 2024. Muaj nyob ntawm https://www.nih.gov/news-events/news-releases/severe-lung-infection-during-covid-19-can-cause-damage-heart 
  1. Grune J. thiab al 2024. Virus-Induced Acute Respiratory Distress Syndrome Ua rau Cardiomyopathy Los ntawm Eliciting Inflammatory Responses hauv plawv. Kev ncig. 2024; 0. Thawj zaug luam tawm 20 Lub Peb Hlis 2024. DOI: https://doi.org/10.1161/CIRCULATIONAHA.123.066433  

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THAUM MUAJ TEEB MEEM

Thov sau koj cov lus!
Thov sau koj lub npe ntawm no

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Kuv pom zoo rau cov nqe lus no.