Lero tikambirana za zinthu zoteteza thupi lathu: Ma antibodies a Polyclonal!

Kodi munamvapo mawu akuti 'Polyclonal Antibodies'? Mwina munamvapo dokotala akunena izi, kapena munawerenga m'buku kapena nyuzipepala kwinakwake. Ngakhale kuti izi zingawoneke ngati mawu asayansi komanso ovuta kumvetsetsa, kwenikweni ndi chinthu chofunikira kwambiri pa thanzi la thupi lathu komanso kutiteteza ku matenda. Chifukwa chake lero tikambirana za ma antibodies awa a polyclonal, momwe amagwirira ntchito mkati mwa thupi lathu, momwe amatithandizira, komanso zabwino ndi zoyipa zake, ngati kuti tikuuza mnzanu wabwino kapena wachibale. Mwakonzeka?

Mwachidule, kodi ma antibodies a polyclonal awa ndi chiyani?

Chabwino, choyamba tiyeni timvetse bwino lomwe ma Polyclonal Antibodies awa. Kodi mukukumbukira, pamene thupi lathu limadwala, ndiko kuti, pamene chinthu chonga kachilombo kalowa, timakhala ndi ziwalo zapadera m'thupi lathu zomwe zimalimbana nacho. Ndicho chimene timatcha ma antibodies. Izi zili ngati alonda ang'onoang'ono, kapena asilikali, m'thupi lathu. Mapuloteni awa otchedwa ma antibodies amapangidwa ndi thupi lathu makamaka kuti amenyane ndi matenda ndi majeremusi ndikutiteteza.

Tsopano ma antibodies awa amachokera ku mtundu winawake wa selo wotchedwa `(maselo a Plasma B)`. Mawu akuti `polyclonal'' amatanthauza `kuchokera ku mitundu yosiyanasiyana'' (poly = ambiri, clonal = mizere/mitundu). Izi zikutanthauza kuti, ma antibodies a polyclonal awa si amtundu womwewo, sachokera ku nkhungu imodzi. Ndi gulu la ma antibodies omwe amachokera ku mizere yosiyanasiyana ya maselo a plasma B (`mizere`), ndipo ndi osiyana pang'ono. Taganizirani ngati gulu la asilikali ochokera m'magulu osiyanasiyana a gulu lankhondo lomwelo.

Kenako ma antibodies onsewa, kapena asilikali osiyanasiyana, amazindikira mbali zosiyanasiyana za antigen yomweyo. Tsopano mukufunsa kuti, "Kodi antigen ndi chiyani?" Taganizirani izi ngati 'chizindikiro' kapena 'mbendera' yaying'ono pa kachilombo, mungu, kapena mapuloteni ena osadziwika omwe amalowa m'thupi mwathu. Poyang'ana chizindikirochi, chitetezo chathu cha mthupi, chitetezo cha thupi lathu, chimazindikira ngati ndi chathu ('ife') kapena mdani wachilendo ('osati ife'). Zili ngati yunifolomu ya mdani, kapena mbendera ya gulu lankhondo la mdani.

Kotero, ma antibodies a polyclonal awa ndi asilikali osiyanasiyana (ma antibodies) omwe amatha kuzindikira zizindikiro zosiyanasiyana, mawonekedwe osiyanasiyana (mwasayansi timawatcha awa kuti `epitopes` ) pa yunifolomu kapena mbendera ya mdani yemweyo (antigen). Kodi mukumvetsa? Zili ngati gulu la asilikali aluso omwe amatha kuukira mdani yemweyo kuchokera mbali zosiyanasiyana.

Anthu ndi nyama zina akadwala, ndiko kuti, akatenga matenda, ma antibodies amenewa amapangidwa mwachibadwa m'thupi lawo. Komabe, ma antibodies a polyclonal omwe amagwiritsidwa ntchito mu kafukufuku wa zamankhwala ndi mankhwala ena nthawi zambiri amapezeka kuchokera ku zinyama monga akalulu, nkhosa, ndi mbuzi. Nthawi zina, amapezekanso kuchokera ku magazi a anthu omwe achira matenda ena.

Kodi ma antibodies a polyclonal awa amagwira ntchito bwanji?

Tsopano tiyeni tiwone momwe ma antibodies a polyclonal awa amagwirira ntchito m'thupi lathu, momwe amamenyera. Mukalowetsa kachilombo, mabakiteriya, kapena kachilombo kena (tizilombo toyambitsa matenda) m'thupi lanu, chitetezo chanu cha mthupi chimapanga ma antibodies kuti chimenyane nawo.

Majeremusi amenewa ali ndi ma antigen omwe tidakambirana kale pamwamba pake. Ma antibodies (asilikali athu) amazindikira ma antigen awa ndipo amawamanga. Antibody iliyonse imamangirira ku antigen imodzi yokha. Mwa kuyankhula kwina, kiyi iliyonse imalumikiza loko imodzi yokha. Antibody ikamamangirira ku antigen, imatumiza chizindikiro ku chitetezo cha mthupi chonse, ndikunena kuti, "Nayi mdani, tsopano muwononge."

Koma, ngakhale pa antigen imodzi, pakhoza kukhala malo angapo pomwe antibody imagwirira, monga dzenje la kiyi la kamba. Timatcha malo enieni omangira awa `(epitopes)`. Chifukwa chake ma antibodies a polyclonal m'magazi anu, kapena mu mayankho okhazikika (`serums`) omwe amaperekedwa kuti alandire chithandizo chamankhwala, ndi gulu la ma antibodies osiyanasiyana. Ma antibodies aliwonsewa amatha kuzindikira ndikugwirizana ndi `(epitopes)` osiyanasiyana (malo osiyanasiyana omangira) pa antigen imeneyo. Mwanjira ina, zili ngati magulu angapo osiyanasiyana a asilikali omwe akugwira ntchito nthawi imodzi kuti agwire mdani yemweyo.

Tangoganizirani, pali mdani wamkulu. Ngati mungathe kugwira mdaniyo osati pamalo amodzi okha, komanso m'malo angapo nthawi imodzi, monga dzanja lake, mwendo, mutu, ndi kolala, mwayi wolamulira ndi kulepheretsa mdaniyo ndi waukulu kwambiri. Umu ndi momwe ma antibodies a polyclonal amagwirira ntchito. Mitundu yosiyanasiyana ya ma antibodies ('mizere') imapatsa chitetezo cha mthupi mwayi wambiri wozindikira, kuukira, ndikugwira majeremusi. Izi zimapangitsa chitetezo cha thupi lathu kukhala champhamvu kwambiri.

Kodi timagwiritsa ntchito ma antibodies a polyclonal chifukwa chiyani?

Ma antibodies amenewa, omwe timapanga mwachibadwa m'thupi lathu, amagwiritsidwanso ntchito ngati mankhwala pazifukwa zambiri zofunika. Tiyeni tiwone zomwe zili:

• Kuzindikira matenda: Pali mayeso ena a labotale omwe mwina mudamvapo, monga mayeso a ELISA ndi mayeso a Immunohistochemistry. Mayesowa amagwiritsa ntchito ma antibodies a polyclonal kuti azindikire matenda osiyanasiyana opatsirana (monga HIV, hepatitis) ndi khansa. Ndiko kuti, amatha kuzindikira ngati magazi ali ndi antigen yeniyeni ya matendawa.

• Kafukufuku wa sayansi: Ofufuza amagwiritsa ntchito ma antibodies a polyclonal awa kuti amvetse momwe matupi athu amagwirira ntchito, momwe maselo osiyanasiyana amagwirira ntchito, momwe matenda amatikhudzira, komanso kuti apeze mankhwala atsopano. Ali ngati zida zomwe zimathandiza asayansi "kuona" zinthu zosaoneka.

• Kuchiza kapena kupewa matenda opatsirana ndi matenda ena:Ma antibodies a polyclonal amatha kuchiza, ndipo nthawi zina, amaletsa kumwa mankhwala mopitirira muyeso, kulumidwa ndi njoka zapoizoni, ndi matenda ena okhudzana ndi magazi.

Kodi mankhwala omwe amagwiritsidwa ntchito ndi ma antibodies a polyclonal ndi ati?

Tiyeni tiwone bwino njira zina zochizira pogwiritsa ntchito ma antibodies a polyclonal:

• Mankhwala ena oletsa poizoni ali ndi ma antibodies a polyclonal. Izi zimapangidwa poika poizoni wa njoka pang'ono m'zinyama, monga akavalo, kenako n'kuyeretsa ma antibodies opangidwa ndi nyamazo. Njoka ikakuluma ndikukupatsani mankhwala oletsa poizoni, ma antibodies omwe ali mmenemo amapita kukachotsa poizoni wa njoka.

• Madzi a m'magazi osinthika: Mwina munamvapo izi panthawi ya mliri wa COVID-19. Pakabuka matenda ena opatsirana, madzi a m'magazi (gawo lamadzimadzi la magazi) omwe amatengedwa kuchokera m'magazi a anthu omwe achira matendawa amaperekedwa kwa odwala. Chifukwa madzi a m'magazi amenewo amakhala ndi ma antibodies a polyclonal omwe matupi awo amapanga motsutsana ndi matendawa. Ma antibodies amenewa akalowa m'thupi la wodwalayo, amathandiza kulimbana ndi matendawa.

• Katemera wa Digoxin: Uyu ndi katemera woperekedwa ngati munthu agwiritsa ntchito mopitirira muyeso mankhwala a mtima a digoxin. Katemerayu alinso ndi ma antibodies a polyclonal opangidwa motsutsana ndi molekyulu ya digoxin.

• Rho(D) immune globulin: Iyi imatchedwanso `RhIG`, ndipo nthawi zina imalembedwa kuti `Rh 0 (D)`. Izi zimaperekedwa kwa amayi apakati omwe ali ndi mtundu wa magazi wa `Rh-negative`. Chifukwa chake ndi chakuti ngati magazi a mayi ali `Rh-negative` ndipo magazi a mwana ali `Rh-positive`, thupi la mayi limatha kupanga ma antibodies motsutsana ndi magazi a mwana. Ngakhale izi sizingakhudze mwana woyamba, mwana wachiwiri wa `Rh-positive` akabadwa, ma antibodies amenewo amatha kuvulaza mwana. Izi zimatchedwa `(Rhesus isoimmunization)` (Rhesus incompatibility). Izi ndi zomwe katemera wa `Rho(D)` amaperekedwa kuti apewe. Amaperekedwanso ngati chithandizo cha `(Chronic immune thrombocytopenia)` kapena `(ITP)`, vuto lomwe ma platelet m'magazi amachepa.

Kodi kusiyana pakati pa ma antibodies a polyclonal ndi monoclonal ndi kotani?

Chabwino, tsopano mungakhale ndi funso laling'ono. Palinso mtundu wotchedwa 'Monoclonal Antibodies', kodi kusiyana kwake ndi kotani pakati pa ma antibodies awa ndi ma polyclonal antibodies? Onse awiri ndi ma antibodies, ndipo onse ndi ma antibodies omwe amawafuna. Koma pali kusiyana kofunikira.

Mwachidule:

• Ma antibodies a Polyclonal: Awa amachokera ku mitundu yosiyanasiyana ya maselo a B. Chifukwa chake amatha kuzindikira ndikugwirizanitsa ndi ma `(epitopes)` osiyanasiyana (malo omangirira) pa antigen yomweyo. Zili ngati gulu la asilikali omwe ali ndi zida zosiyanasiyana komanso zida zosiyanasiyana. Amaukira mdani yemweyo kuchokera mbali zosiyanasiyana.

• Ma antibodies a monoclonal: Awa ndi "makopi enieni" a antibody imodzi. Izi zikutanthauza kuti, amapangidwa ndi mzere umodzi wa maselo B. Chifukwa chake, amazindikira ndikugwirizana ndi "epitope" imodzi yokha. Monga asilikali opangidwa ndi clone omwe amagwiritsa ntchito chida chamtundu womwewo, amaukira cholinga chimodzi chokha.

Pazifukwa zachipatala, ma antibodies a polyclonal nthawi zambiri amapezeka kuchokera ku magazi a nyama monga akalulu, mbuzi, ndi nkhosa. Nthawi zina amapezekanso kuchokera kwa anthu (monga plasma ya odwala omwe achiritsidwa). Ma antibodies a monoclonal amayamba kupezeka kuchokera ku magazi a nyama kenako amapangidwanso mu labu. Pakadali pano, ma antibodies a monoclonal amagwiritsidwa ntchito nthawi zambiri kuposa ma antibodies a polyclonal mu chithandizo chamankhwala, makamaka matenda monga khansa, chifukwa ndi enieni kwambiri pakuwunikira kwawo.

Kodi ubwino wa ma antibodies a polyclonal ndi wotani?

Ndiye ubwino wa ma antibodies a polyclonal awa ndi wotani? N’chifukwa chiyani timawagwiritsabe ntchito?

• Mtengo wopangira mankhwalawa ndi wotsika. Ndi wotsika mtengo kupanga mankhwalawa kuposa kupanga ma antibodies a monoclonal.
• Izi zimatha kuzindikira ma antigen mu chitsanzo chomwe chili ndi mulingo wochepa kwambiri, ngakhale atakhala kuti ali ndi mulingo wochepa kwambiri. Chifukwa ma antibodies osiyanasiyana amagwira ntchito limodzi, ngakhale chimodzi chikasowa, pali mwayi waukulu kuti china chigwidwe.
• Mphamvu yonse yozindikira antigen ndi yokwera. Popeza pali ma antibodies ambiri omwe amatha kumangirira ku "epitopes" zosiyanasiyana, mwayi wozindikira antigen ndi wokwera, ngakhale mawonekedwe ake ali osiyana pang'ono.

Kodi pali zovuta zilizonse ndiye?

Pali ubwino ndi kuipa kwa ma antibodies awa a polyclonal. Ndi bwino kudziwa kuti ndi chiyani.

• Popeza izi zimachokera ku magwero achilengedwe (kaya magazi a anthu kapena a nyama), sizigwirizana kwambiri ndi mtundu ndi kapangidwe kake kuchokera ku gulu limodzi kupita ku lina, mosiyana ndi mankhwala opangidwa mu labotale. Izi zikutanthauza kuti pakhoza kukhala kusiyana pang'ono pakati pa kusakaniza kwa ma antibodies komwe kumapangidwa nthawi imodzi ndi kusakaniza komwe kumapangidwa nthawi ina. Chifukwa chake, mphamvu yake ingasiyanenso pang'ono.
• Ndi ma antibodies a monoclonal, pali chiopsezo chachikulu cha cross-reactivity. Izi zikutanthauza kuti, pali mwayi waukulu kuti antigen yomwe ikufunidwa ingamangirire ku antigen ina (yomwe sitikufuna). Izi zingayambitse mavuto mu mayeso kapena kafukufuku. Mwachitsanzo, zotsatira zabodza zitha kuchitika. Izi zikutanthauza kuti, munthu amene alibe matendawa akhoza kupeza zotsatira zomwe zimawoneka ngati ali ndi matendawa. Chifukwa chake, ngati zotsatira zabwino zibweranso, monga momwe zimakhalira ndi matenda opatsirana oopsa, madokotala angafunike kuchita mayeso ambiri kuti atsimikizire.
• Pamene ma antibodies ochokera ku ziweto agwiritsidwa ntchito pochiza matenda, pamakhala chiopsezo chachikulu cha ziwengo kapena zotsatira zina zoyipa, chifukwa mapuloteni a ziweto awa ndi achilendo m'thupi lathu.

Pomaliza, zinthu zofunika kwambiri zomwe muyenera kukumbukira

Kotero, mwina tsopano mukumvetsa kuti ma antibodies a polyclonal ndi gawo lofunika kwambiri la chitetezo chamthupi chathu, ndipo ndi ofunikira kwambiri mu sayansi ya zamankhwala pakufufuza, kuzindikira matenda, ndi njira zina zochiritsira.

Izi nthawi zambiri zimagwiritsidwa ntchito pofufuza ndi kuyesa matenda. Komabe, ngati muli ndi pakati ndipo muli ndi gulu la magazi lopanda Rh (dokotala wanu adzakuuzani za izi), ngati muli ndi matenda opatsirana oopsa (monga diphtheria), ngati mwalumidwa ndi njoka, kapena ngati muli ndi vuto monga matenda osatha a immunothrombocytopenia (ITP), mutha kupatsidwa chithandizo chokhala ndi ma antibodies a polyclonal.

Ngati muli ndi mafunso ena kapena nkhawa zokhudzana ndi izi, musazengereze kufunsa dokotala kapena namwino wanu. Adzakufotokozerani zinthuzi mwatsatanetsatane. Chifukwa kudziwa zambiri za thanzi lanu ndi chithandizo chomwe mumalandira ndi chimodzi mwa njira zabwino kwambiri zokhalira ndi thanzi labwino komanso chisangalalo!

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