Udindo wa machitidwe a PCR a nthawi yeniyeni mu zamankhwala ndi majini opangidwa ndi munthu payekha

Machitidwe a PCR (polymerase chain reaction) a nthawi yeniyeni akhala zida zofunika kwambiri m'magawo omwe akusintha mwachangu azachipatala ndi majini. Machitidwewa amathandiza ofufuza ndi asing'anga kusanthula zinthu za majini molondola kwambiri komanso mwachangu, zomwe zimapangitsa kuti pakhale njira zochiritsira zomwe zimapangidwira payekha komanso kumvetsetsa bwino matenda ovuta.

Machitidwe a PCR a nthawi yeniyeni, yomwe imadziwikanso kuti quantitative PCR (qPCR), nthawi yomweyo imakulitsa ndikuwerengera DNA kapena RNA mu chitsanzo. Ukadaulowu ndi wofunika kwambiri pamankhwala opangidwa ndi munthu payekha, komwe mankhwala amapangidwa molingana ndi majini a munthu. Mwa kupereka miyeso yolondola ya kuchuluka kwa majini, machitidwe a PCR a nthawi yeniyeni amathandizira kuzindikira ma biomarker omwe amatha kulosera momwe wodwala angayankhire ku chithandizo china. Mwachitsanzo, mu oncology, kuchuluka kwa majini ena kumatha kuwonetsa ngati wodwala angapindule ndi mankhwala omwe akufuna, potero kutsogolera zisankho zamankhwala ndikuwongolera zotsatira.

Kuphatikiza apo, machitidwe a PCR a nthawi yeniyeni amagwira ntchito yofunika kwambiri pakupanga majini, komwe angagwiritsidwe ntchito kutsimikizira zomwe zapezeka kuchokera ku ukadaulo wapamwamba wofufuza majini. Ngakhale kuti kupanga majini a m'badwo wotsatira (NGS) kungapereke chithunzithunzi chokwanira cha majini a munthu, kupanga majini a nthawi yeniyeni kungatsimikizire kupezeka ndi kuchuluka kwa majini enaake omwe amadziwika kudzera mukupanga majini. Kutsimikizira kumeneku ndikofunikira kwambiri kuti zitsimikizire kudalirika kwa deta ya majini, makamaka m'malo azachipatala komwe zisankho zimapangidwa kutengera chidziwitso cha majini.

Kusinthasintha kwa machitidwe a PCR a nthawi yeniyeni sikungokhudza khansa ndi majini okha. Amagwiritsidwanso ntchito pozindikira matenda opatsirana, komwe kuzindikira mwachangu komanso molondola kwa tizilombo toyambitsa matenda ndikofunikira kwambiri. Mwachitsanzo, panthawi ya mliri wa COVID-19, PCR ya nthawi yeniyeni idakhala muyezo wagolide wodziwira matenda a SARS-CoV-2. Kutha kuyeza kuchuluka kwa kachilombo ka wodwalayo sikungothandiza kuzindikira matendawa, komanso kungathandize njira zamankhwala komanso mayankho azaumoyo wa anthu.

Kuwonjezera pa kuzindikira matenda, machitidwe a PCR a nthawi yeniyeni angathandizenso kuyang'anira kupita patsogolo kwa matenda ndi momwe chithandizo chimagwirira ntchito. Poyesa kusintha kwa majini pakapita nthawi, madokotala amatha kuwona momwe wodwalayo akuyankhira bwino chithandizo. Kuwunika kumeneku ndikofunikira kwambiri pa matenda osatha, chifukwa njira zochiritsira zingafunike kusinthidwa kutengera kusintha kwa majini a wodwalayo.

Pamene ukadaulo ukupita patsogolo, kuphatikiza machitidwe a PCR a nthawi yeniyeni kukhala mankhwala opangidwa ndi munthu payekha komanso majini kwakulitsidwa kwambiri. Machitidwe amakono akuchulukirachulukira kukhala osavuta kugwiritsa ntchito, ndipo zinthu zodziyimira pawokha zimachepetsa magwiridwe antchito ndikuchepetsa kuthekera kwa zolakwika za anthu. Kuphatikiza apo, kupanga multiplex real-time PCR kumalola kuzindikira nthawi imodzi zolinga zingapo munthawi imodzi, zomwe zimawonjezera kwambiri kuchuluka kwa ntchito ndi magwiridwe antchito.