Chinyorwa
Methylene blue nekuzvimba: zvinoyerwa neuchapupu
Methylene blue inogona kuderedza zvimwe zviratidzo zvekuzvimba mumamiriro emiedzo. Izvozvo hazviratidzi kuti mushonga wakajairika wekurapa kuzvimba muvanhu. Tsvakiridzo dzinoongororwa pano dzinotsigira kuti ine zvainoita pamashandiro emuviri, paine zvimwe zvakanakira mhuka uye zvishoma zvakawanikwa muvanhu mumamiriro akanyatsosiyana. Hadziratidzi kuti kutora methylene blue kunovandudza zviratidzo zvemazuva ose zvinonzi zvinokonzerwa “nekuzvimba kusingaperi.”
Mubvunzo unobatsira wakanyatsojeka ndeuyu: ndeipi nzira yekuzvimba yakashanduka, mumhando ipi yemuedzo, uye shanduko yacho yakavandudza mugumisiro unokosha kumurwere here? Kuwanda kwecytokine, chimiro chesero, uye nguva yekurapwa munzvimbo inochengetwa varwere vanoda kutarisirwa zvakanyanya zvinopindura mibvunzo yakasiyana. Ongororo yedu yakakura yezvakanakira methylene blue mutsvakiridzo yevanhu inoisa zvakawanikwa izvi pamwe chete nezvimwe zvinenge zvichifungidzirwa kuti inogona kushandiswa pautano.
Chii chinonzi mugumisiro wekuderedza kuzvimba?
Kuzvimba kunoronga mhinduro dzemuviri kuhutachiona nekukuvara. Kunogona kubatsira mukukonzera kukuvara, asi kumwe kuzvimba kunotsigirawo kudzivirira nekugadzirisa muviri. Saka kutaura kuti “kuzvimba kwaderera” hakuna kukwana kana kusina kutaurwa nzvimbo, chakazvikonzera, nguva, uye mugumisiro.
Cytokine ipuroteni inotumira mashoko pakati pemasero. Vatsvakiridzi vanogona kuyera kuwanda kwayo mumvura inoshandiswa kurima masero kana muropa. Pane kudaro, vanogona kuyera kugadzirwa kweenzayimu ine chekuita nekuzvimba, mamiriro ekushanda kwepuroteni inotumira mashoko, kana shanduko muchimiro chesero rekudzivirira muviri. Zviyero izvi zvinogona kuratidza zvinoitwa nemushonga pasina kuratidza kuti kurwadziwa, kuneta, kugona kufunga, kana kushanda kwechirwere zvavandudzika.
Lipopolysaccharide, inowanzopfupikiswa kuti LPS, chikamu chebhakitiriya chinoshandiswa kumutsa mhinduro yekuzvimba. Tsvakiridzo dzakawanda dzemethylene blue dzinoshandisa chinokonzera ichi chinogona kudzorwa. Muedzo wekushandisa LPS unobatsira pakuedza nzira yekushanda, asi hauenzaniswi nezvinhu zvose zvechirwere chisingaperi muvanhu. Muganhu mumwe chete uyu unoshandawo kana mushonga ukapiwa panguva imwe chete nechinokonzera kuzvimba: kudzivirira shanduko inokonzerwa nemuedzo kwakasiyana nekudzorera shure chirwere chatotanga.
Tafura yeuchapupu: muenzaniso, chinokonzera, chinoyerwa, kukosha
Tafura iyi inopfupisa tsvakiridzo dzakasarudzwa dzakanangana nekuyedza chaiko. Mutsara mumwe nomumwe unochengetedza musiyano pakati pezvakayerwa nevatsvakiridzi nezvingatarisirwa nemuverengi kuti zvinorehwa nezvakawanikwa.
| Tsvakiridzo nemuenzaniso wakashandiswa | Chinokonzera kuzvimba kana mamiriro acho | Mugumisiro wakayerwa nezvakawanikwa | Kukosha pakurapwa |
|---|---|---|---|
| Huang nevamwe, 2015: masero emacrophage emakonzo nemakonzo | LPS uye/kana interferon-gamma mumasero akarimwa; kuvapo kweendotoxin muropa remakonzo | Kugadzirwa kweinducible nitric oxide synthase, kana kuti iNOS, kwakaderera | Inotsigira kuti pane zvinoitwa paenzayimu ine chekuita nekuzvimba; haiyeri zviratidzo muvanhu |
| Ahn nevamwe, 2017: masero emacrophage nemasero evanhu eTHP-1 | Kumutswa kwekushanda kwemainflammasome akati wandei mumuedzo | Kuburitswa kweIL-1β nekushanda kwakabatana neinflammasome zvakaderera | Uchapupu hwenzira yekushanda; boka remasero evanhu anorimwa murabhoritari harisi muedzo muvarwere |
| Ahn nevamwe, 2017: makonzo | Muedzo weLPS; muedzo weListeria wakasiyana | Kurarama kwakavandudzika mushure meLPS uye IL-1β yakaderera munzvimbo yakapoteredza nhengo dzemudumbu mumamiriro emuedzo | Inosanganisira mugumisiro pamhuka unopfuura chiratidzo chinoyerwa chemuviri; hairatidzi kuvandudzika kwekurarama muvanhu |
| Li naYing, 2023: makonzo | Majekiseni eLPS akadzokororwa kwemazuva matatu | IL-6 yakaderera muserum, kushanda kweSTAT3 kwakaderera muuropi nemuganda, uye kuderera kweuremu kwakava kushoma | Inoratidza kutumirwa kwemashoko nemhinduro yemhuka yose; haina kuyera zviratidzo muvanhu kana kunyarara kwechirwere |
| Aburel nevamwe: masampuli emafuta ane chekuita nemwoyo netsinga dzeropa evanhu | Matishu akaunganidzwa pakuvhiyiwa kwevarwere 25 vane mwoyo usingashandi zvakanaka; akachengetwa murabhoritari mumamiriro akatarwa, kusanganisira kuaisira serotonin | Kugadzirwa kwemonoamine oxidase nezviyero zvekushushikana kwemasero kunokonzerwa neoxidation zvakaderera | Ine kukosha kumatishu evanhu, asi kushushikana kwemasero kunokonzerwa neoxidation hakusi chinhu chimwe nekuzvimba, uye varwere havana kurapwa mumuedzo uyu |
| Stelmashook nevamwe, 2026: masero eglia akarimwa kubva kucortex yeuropi hwemakonzo | Kusangana neLPS kwe24 hours | Paishandiswa methylene blue, microglia yaiva nemapazi akawanda uye chimiro chemuviri wesero chidiki pane paya paishandiswa LPS chete | Mugumisiro wechimiro chemasero, pasina uchapupu hwekuvandudzika kwekurangarira, maitiro, kana zviratidzo muvanhu |
| Memis nevamwe, 2002: varwere 30 vane sepsis yakakomba | Kuiswa kwemushonga mutsinga kwemaawa matanhatu zvichienzaniswa nemvura ine munyu mumuedzo une kugoverwa kwemapoka zvisina kusarudzwa | Hapana shanduko yakakosha muzviyero zvemacytokine muplasma yakawanikwa | Kuyedza muvanhu chaivo hakuna kusimbisa kuderera kwemacytokine pasi penzira yemuedzo iyoyo |
| Ibarra-Estrada nevamwe, 2023: varwere 91 vane septic shock vakaongororwa | Methylene blue yakaiswa mutsinga ichienzaniswa neplacebo, zvichiwedzerwa pakurapwa kwevarwere vanoda kutarisirwa zvakanyanya | Nguva yekushandiswa kwemishonga yevasopressor yakapfupika; macytokine haana kuyerwa | Zvakawanikwa zvakanangana nemamiriro ekurapwa ayo nzira yazvakashanda nayo haina kusimbiswa nekuyera zviratidzo zvekuzvimba |
Misiyano mitatu inoshandura kududzirwa kweuchapupu
Kuderera kwekutumirwa kwemashoko hakungorevi kushanda kuri nani
Tsvakiridzo yeiNOS ya2015 yakaongorora kuti methylene blue yakaderedza sei kugadzirwa kweenzayimu ine chekuita nemashandiro enitric oxide mumuviri. Izvi zvinobatsira kutsanangura imwe nzira inogona kushanda nayo mushonga. Hazviratidzi kuti kuderedza enzayimu iyoyo kungabatsira munhu wose ane mamiriro ekuzvimba.
Saizvozvowo, tsvakiridzo yemakonzo ya2023 yakabatanidza shanduko dzeIL-6 muropa nesh anduko dzekutumirwa kwemashoko mumatishu. Mugumisiro wayo wekuderera kweuremu unowedzera mashoko anobatsira pamusoro pemhuka yose. Kunyange zvakadaro, uremu panguva yekumutsa mhinduro yechimbichimbi mumuedzo hauna kuenzana nekugona kufunga, kunaka kweupenyu, kana kudzora chirwere chisingaperi kwenguva refu. Tsananguro yakadzama yemainflammasome, IL-6, uye STAT3 inotsanangura nzira idzi pasina kudzishandisa panzvimbo yemigumisiro pautano.
Chitarisiko chesero chimwe chete chezvinhu zvinoyerwa
Microglia masero ekudzivirira muviri ari muuropi nemuzongoza. Mapazi awo nemiviri yemasero zvinogona kushanduka zvichienderana nemamiriro akazvipoteredza. Mutsvakiridzo yemasero akarimwa ya2026, methylene blue yakashandura chitarisiko chemasero akaiswa LPS kuti chiwedzere kufanana nechemasero eboka rekuenzanisa.
Mufananidzo uri pabutiro unoratidza kuenzanisa uku nenzira yedhiagiramu. Hausi mufananidzo wakatorwa nemakorosikopu kana kuratidza muedzo wacho nemwero chaiwo wezviyero. Kuva nemapazi akawanda hakuratidzi pachako kuti sero rinodzivirira masero etsinga, rinobvisa zvinokonzera zvirwere nemazvo, kana kuvandudza kushanda kweuropi. Zvinotaurwa izvozvo zvinoda zvimwe zviyero. Ongororo yemicroglia, astrocytes, uye kuzvimba inonyatsoongorora mamiriro iwayo.
Matishu emunhu haasi munhu akarapwa
Tsvakiridzo yemafuta ane chekuita nemwoyo netsinga dzeropa yakashandisa masampuli kubva kuvanhu, zvichiita kuti ive nekukosha pamashandiro emuviri wemunhu. Vatsvakiridzi vakaisa methylene blue pamasampuli iwayo ari kunze kwemuviri kwe24 hours. Nzira iyi inogona kusimbisa mhinduro mumatishu akaongororwa, asi haibatanidzi kutorwa kwechinhu mumuviri, kuparadzirwa kwacho, kushandurwa kwacho nemuviri, uye kudyidzana kwenhengo.
Yakayerawo kushushikana kwemasero kunokonzerwa neoxidation nekugadzirwa kwemonoamine oxidase. Maitiro iwayo anogona kudyidzana nekuzvimba, asi kuderera kwemhando dzeokisijeni dzinokurumidza kuita nemamwe makemikari hakusi pachako uchapupu hwekuderedzwa kwechirwere chine kuzvimba. Musiyano uyu unokosha pakuverenga tsvakiridzo yemasero, mhuka, matishu, uye varwere.
Zvinoratidzwa nezvisingaratidzwi netsvakiridzo muvarwere
Sepsis inopa muedzo wakananga wepfungwa yekuti methylene blue inofanira kuderedza macytokine ane chekuita nekuzvimba muvanhu. Muedzo mudiki wevarwere vane sepsis yakakomba, une kugoverwa kwemapoka zvisina kusarudzwa, hauna kuwana shanduko yakakosha pamacytokine. Izvi hazviratidzi kuti hapana shanduko inogona kuitika neimwe nzira yekupa mushonga kana mune mamwe mamiriro. Zvinoratidza kuti sei zvakawanikwa zvakanaka mumasero zvisingafaniri kutorwa semigumisiro inoshanda kuvanhu vose.
Mumuedzo weseptic shock wa2023, nguva yepakati kusvika pakumisa mishonga yevasopressor yaiva 69 hours nemethylene blue uye 94 hours neplacebo. Mishonga iyi inotsigira kumanikidzwa kweropa. Mwero wekufa hauna kusiyana zvakakosha, uye tsvakiridzo yaiva diki zvikuru kuti ipe mhinduro yakasimba pamusoro pemugumisiro iwoyo. Vanyori vakataura zvakajeka kuti havana kuyera macytokine kuti vasimbise nzira yekushanda. Saka kubatsira kutenderera kweropa pakurapwa kwevarwere vanoda kutarisirwa zvakanyanya hakugoni kusimbisa kurapwa kwekuzvimba kwese, kana kupa chikonzero chekushandisa nzira iyoyo kumba.
Chii chingatsigira zvinotaurwa zvakakura pamusoro poutano?
Zvinotaurwa zvinogutsa zvinoda boka revarwere rakanyatsotsanangurwa, chinhu chakakodzera chekuenzanisa nacho, musanganiswa wemushonga nenzira yekuupa zvinogona kudzokororwa, uye mugumisiro wakadai sezviratidzo, kushanda kwemuviri, kushanda kwechirwere, kana matambudziko anobva pachirwere. Nguva yekutevera varwere inofanira kureba zvakakwana kuti iongorore rubatsiro rwuri kutaurwa pamwe nezvinokuvadza. Chiratidzo chinoyerwa chemuviri chine mugumisiro wakanaka chinogona kutsigira uchapupu ihwohwo; hachigoni kuhutsiva.
Zvinotaurwa pamusoro peMCAS nekusashivirira histamine zvinoda uchapupu hwakanangana nezvirwere izvozvo. Tsvakiridzo dzemacytokine dzakajairika hadzigoni kusimbisa kuti methylene blue inodzora zviratidzo zvemast-cell.
Pane zvakare njodzi chaiyo pakufungidzira kuti zvinoitika mumuedzo zvinoreva kurapwa kwakachengeteka. Mashoko azvino ekuUS ekunyorera ProvayBlue inoiswa mutsinga anonyora methemoglobinemia inowanikwa mushure mekuzvarwa semamiriro ainotenderwa kurapa, anoyambira nezveserotonin syndrome yakakomba kana ichishandiswa nemishonga inoshandisa serotonin uye maopioid, uye anorambidza kushandiswa kwayo kune vane kushomeka kweG6PD nekuda kwenjodzi yekupererwa neropa kunokonzerwa nekuparara kwemasero matsvuku eropa. Pfungwa yekuti inogona kuderedza kuzvimba haibvisi zvinoitwa izvi nemushonga.
Kuvaverengi vari kuongorora zvinotaurwa nezvechigadzirwa, bvunzai tsvakiridzo yakaitwa muvarwere inotsigira mugumisiro uri kuvimbiswa. Kana uchapupu huchingoperera pacytokine, sampuli yetishu, kana mufananidzo wesero, rubatsiro rwekurapwa rwuri kutaurwa runoramba rusina kusimbiswa.