Alpha-fetoprotein (AFP) abu ne mai gina jiki wanda ya samar da kai tsaye a cikin hanta da kuma gastrointestinal tract of embryo.
Ta yaya AFP ya canza lokacin haihuwa?
An yi amfani dashi don ganewar asali na nau'i daban-daban na lahani a cikin tayi na tayi na tayi. A matakin farko na ci gaban, wannan sunadaran sun samo shi ne ta jiki mai launin rawaya. Tuni ya fara daga makon 5 na ciki, tayin zai fara samar da shi a kansa. Saboda haka, alpha-fetoprotein yana taka muhimmiyar kariya ga tayin, ba tare da yiwuwar kin amincewa da amfrayo ta jikin mahaifiyar ba.
Yayin maida hankali ga AFP a cikin amfrayo yana ƙaruwa, ƙaddamarwarsa tana ƙaruwa cikin jinin mahaifiyar. Sabili da haka, matakan gina jiki mafi kyau shine makonni 13-16 kawai. Wannan shine dalilin da ya sa AFP tare da tsauraran hali, mace tana yin kanta a wannan rana. Matsakaicin iyakar wannan sunadaran zai kai makon 32-34, bayan haka ya rage. Saboda haka, bayan shekara 1 matakin alpha-fetoprotein a cikin jiki na crumbs ya kai daidai adadinta.
Yaya aka yi nazarin AFP?
Sau da yawa, mata masu juna biyu, suna ba da jini ga AFP, ba su san abin da yake ba, kuma bisa ga haka, ba su san yawan ƙimar ba. Sanarwar kulawa da dama ga kasashe da dama a cikin irin wannan bincike shine MoM (na tsakiya). An ƙididdige shi ta hanyar kirga ƙimar da aka ƙayyade a cikin halayen furotin da aka riga aka kafa. A wannan yanayin, don wani lokaci na ciki yana da halayyar muhimmancinta. Halin na AFP a lokacin daukar ciki shine haɓakawa na haɓakar wannan furotin a cikin kewayon 0.5-2.5 MoM.
Idan akwai wani ƙari a ƙaddamar da AFP a sama da wannan al'ada, likitoci sunyi zaton cewa akwai nakasar a cikin tayin ko kuma abin da ke cikin jiki na mace mai ciki. Don haka, ana iya lura da irin wannan hoto lokacin da:
- yawan ciki ;
- necrosis na hanta;
- malformation na tayin neural na tayin;
- pathology na na baya na ciki bango;
- umnaryiya hernia a cikin tayin .
Yaushe ne bincike aka yi akan AFP?
Bugu da ƙari, cewa bincike don ƙayyade matakin AFP ana aiwatar da ita a lokacin daukar ciki, ana iya amfani dashi don ƙayyade cututtuka a cikin maza da ba mata masu ciki ba. Saboda haka, sau da yawa lokacin da ake tuhuma da ilimin ilmin halitta, matakin AFP yana taka muhimmiyar rawa, amma ba duk wanda ya wuce nazarin ya san abin da yake ba. Sabili da haka yawan karuwar wannan furotin a jiki zai iya haifuwa ta hanyar:
- ciwon daji na hanta, pancreas, colon;
- wani ƙanshin bronchus;
- cirrhosis na hanta;
- ilpatitis mai ciwo da sauri;
- na kullum renal rashin nasara.
Kamar yadda kake gani, jerin cututtuka da wannan bincike yake aiwatarwa yana da yawa.
Ta yaya za a ba da cikakken bincike akan AFP?
Rahotanni na AFP da kansu ba su da isasshen bayani. Saboda haka, ko da yaushe ya bayanai yana goyan bayan duban dan tayi. Sau da yawa a cikin ciki, tare da ƙaddamar da matakin alpha-fetoprotein, matakin ƙwayar hormones na ƙaddarar ya ƙaddara, wanda zai sa masanin ilimin likita ya tantance yanayin tsarin ƙwayar jikin tayin.
Don gudanar da wannan binciken, an ɗauke jini daga nau'in mace mai ciki. A lokaci guda, lokaci mafi kyau shine makonni 14-15, amma za'a iya yin shinge a cikin tazarar makonni 14-20 na ciki. Kamar yawancin gwaje-gwaje, an yi AFP a cikin komai a ciki, da safe. A wannan yanayin, bayan cin abinci na karshe ya kamata a dauki akalla sa'o'i 4-6.
Sabili da haka, bincike na AFP ya ba da damar tabbatar da ganewar tarin hankalin tayi.