Ib txoj hauv kev tshiab rau 'Repurpose' Cov Tshuaj Tseem Ceeb Rau COVID-19

Kev sib xyaw ua ke ntawm kev siv roj ntsha thiab kev suav ua ke los kawm txog kev sib cuam tshuam ntawm cov protein-protein (PPIs) ntawm tus kab mob thiab tus tswv tsev cov proteins txhawm rau txheeb xyuas thiab rov tsim cov tshuaj rau kev kho mob zoo ntawm COVID-19 thiab tej zaum yuav muaj lwm yam kab mob..

Cov tswv yim niaj hnub los daws cov kab mob kis tau yog tsim cov tshuaj tiv thaiv kab mob thiab tsim cov tshuaj tiv thaiv. Hauv kev kub ntxhov tam sim no uas tsis tau pom dua, lub ntiaj teb tab tom ntsib vim Covid-19 SARS-CoV-2 tus kab mob no, cov txiaj ntsig los ntawm ob qho tib si saum toj no zoo li nyob deb heev kom xa cov txiaj ntsig kev cia siab.

Ib pab pawg ntawm cov kws tshawb fawb thoob ntiaj teb tsis ntev los no (1) tau siv txoj hauv kev tshiab (raws li cov kab mob cuam tshuam nrog cov tswv) rau "rov ua dua" cov tshuaj uas twb muaj lawm txheeb xyuas cov tshuaj tshiab hauv kev txhim kho, uas tuaj yeem pab tiv thaiv COVID-19 kis tau zoo. Yuav kom nkag siab tias SARS-CoV-2 cuam tshuam nrog tib neeg li cas, cov kws tshawb fawb tau siv cov txuj ci lom neeg thiab kev suav ua ke los tsim "daim ntawv qhia" ntawm tib neeg cov proteins uas cov kab mob sib kis nrog thiab siv los ua kom muaj kab mob hauv tib neeg. Cov kws tshawb fawb tuaj yeem txheeb xyuas ntau dua 300 tib neeg cov proteins uas cuam tshuam nrog 26 cov kab mob kis tau siv hauv txoj kev tshawb no (2). Cov kauj ruam tom ntej yog txhawm rau txheeb xyuas qhov twg ntawm cov tshuaj uas twb muaj lawm nrog rau cov uas tab tom txhim kho uas yuav yog "rov kho dua"los kho tus kab mob COVID-19 los ntawm kev tsom cov tib neeg cov proteins.

Cov kev tshawb fawb tau coj mus rau kev txheeb xyuas ntawm ob chav kawm ntawm cov tshuaj uas tuaj yeem kho tau zoo thiab txo tus kab mob COVID-19: cov protein txhais lus inhibitors suav nrog zotatifin thiab ternatin-4 / plitidepsin, thiab cov tshuaj uas muaj lub luag haujlwm rau kev hloov pauv protein ntawm Sigma1 thiab Sigma 2 receptors sab hauv. cell suav nrog progesterone, PB28, PD-144418, hydroxychloroquine, cov tshuaj tiv thaiv kev puas siab puas ntsws haloperidol thiab cloperazine, siramesine, tshuaj tiv thaiv kev ntxhov siab thiab tshuaj tiv thaiv kev ntxhov siab, thiab cov tshuaj tiv thaiv kab mob clemastine thiab cloperastine.

Ntawm cov protein txhais lus inhibitors, cov tshuaj tiv thaiv kab mob muaj zog tshaj plaws hauv vitro tiv thaiv COVID-19 tau pom nrog zotatifin, uas tam sim no nyob rau hauv kev sim tshuaj kho mob qog noj ntshav, thiab ternatin-4 / plitidepsin, uas tau raug pom zoo los ntawm FDA rau kev kho mob ntau yam myeloma.

Ntawm cov tshuaj uas modulate Sigma1 thiab Sigma2 receptors, antipsychotic haloperidol, siv los kho tus mob schizophrenia, nthuav tawm cov tshuaj tiv thaiv kab mob tiv thaiv SARS-CoV-2. Ob lub zog tiv thaiv histamines, clemastine thiab cloperastine, kuj tau tso tawm cov tshuaj tiv thaiv kab mob, zoo li PB28. Cov tshuaj tiv thaiv kab mob tshwm sim los ntawm PB28 yog kwv yees li 20 npaug ntau dua li hydroxychloroquine. Hydroxychloroquine, ntawm qhov tod tes, pom tias, ntxiv rau kev tsom mus rau Sigma1 thiab -2 receptors, tseem khi rau cov protein hu ua hERG, paub txog kev tswj hluav taws xob hauv lub plawv. Cov txiaj ntsig no tuaj yeem pab piav qhia txog qhov muaj feem cuam tshuam nrog kev siv hydroxychloroquine thiab nws cov txiaj ntsig raws li kev kho muaj peev xwm rau COVID-19.

Txawm hais tias cov kev tshawb fawb saum toj no hauv vitro tau tsim cov txiaj ntsig tau zoo, 'cov pov thawj ntawm cov paj npleg' yuav nyob ntawm seb cov tshuaj muaj peev xwm molecules li cas hauv kev sim tshuaj thiab ua rau muaj kev pom zoo kho mob rau COVID-19 sai sai. Qhov tshwj xeeb ntawm txoj kev tshawb no yog tias nws nthuav peb txoj kev paub txog peb txoj kev nkag siab yooj yim ntawm tus kab mob cuam tshuam li cas nrog tus tswv tsev ua rau txheeb xyuas tib neeg cov protein cuam tshuam nrog cov kab mob sib kis thiab nthuav tawm cov ntsiab lus uas tej zaum yuav tsis pom tseeb los kawm hauv qhov chaw kis kab mob.

Cov ntaub ntawv no tau nthuav tawm los ntawm txoj kev tshawb no tsis tau tsuas yog pab cov kws tshawb fawb los txheeb xyuas cov neeg sib tw tshuaj muaj txiaj ntsig sai sai rau kev nrhiav kev sim tshuaj, tab sis tuaj yeem siv los nkag siab thiab cia siab tias cov txiaj ntsig ntawm cov kev kho mob twb tshwm sim hauv tsev kho mob thiab tseem tuaj yeem txuas ntxiv rau kev tshawb nrhiav tshuaj tiv thaiv lwm yam. kab mob thiab kab mob tsis kis kab mob.

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References:

1. Lub koom haum Pasteur, 2020. Qhia tias SARS-COV-2 hijacks tib neeg li cas; Cov ntsiab lus rau cov tshuaj uas muaj peev xwm tiv thaiv COVID-19 thiab cov tshuaj uas pab nws txoj kev loj hlob kis. Xov xwm tshaj tawm rau hnub tim 30 lub Plaub Hlis 2020. Muaj nyob online ntawm https://www.pasteur.fr/en/research-journal/press-documents/revealing-how-sars-cov-2-hijacks-human-cells-points-drugs-potential-fight-covid-19-and-drug-aids-its Tau txais los ntawm 06 May 2020.

2. Gordon, DE et al. 2020. A SARS-CoV-2 daim ntawv qhia kev sib cuam tshuam cov protein qhia pom cov hom phiaj rau kev siv tshuaj. Xwm (2020). DOI: https://doi.org/10.1038/s41586-020-2286-9

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Rajeev Soni
Rajeev Sonihttps://web.archive.org/web/20220523060124/https://www.rajeevsoni.org/publications/
Dr. Rajeev Soni (ORCID ID: 0000-0001-7126-5864) muaj Ph.D. nyob rau hauv Biotechnology los ntawm University of Cambridge, UK thiab muaj 25 xyoo ntawm kev ua hauj lwm thoob plaws lub ntiaj teb no nyob rau hauv ntau lub koom haum thiab multinationals xws li Lub koom haum tshawb fawb Scripps, Novartis, Novozymes, Ranbaxy, Biocon, Biomerieux thiab ua tus thawj coj soj ntsuam nrog US Naval Research Lab hauv kev tshawb nrhiav tshuaj, tshuaj ntsuam xyuas molecular, qhia cov protein, biologic manufacturing thiab kev lag luam.

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