Immunoglobulin A (IgA): menene menene kuma menene ma'anar sa lokacinda yake sama

Wadatacce

• Menene IgA don
• Abin da zai iya zama babban IgA
• Abin da zai iya zama low IgA

Immunoglobulin A, wanda aka fi sani da IgA, furotin ne wanda aka samo shi da yawa a cikin ƙwayoyin mucous, akasari a cikin lakar numfashi da na hanji, ban da ana samunsa a cikin ruwan nono, wanda ana iya ba da shi ga jariri yayin shayarwa da motsa ci gaban. na garkuwar jiki.

Wannan immunoglobulin yana da babban aikin kare kwayar kuma sabili da haka, lokacin da yake cikin ƙananan ƙwayoyi, zai iya taimakawa ci gaban cututtuka, wanda dole ne a gano shi kuma a bi shi bisa ga jagorancin likitan.

Menene IgA don

Babban aikin IgA shine kare jiki daga kamuwa da cututtuka kuma ana iya samun sa da farko ta hanyar shayarwa, wanda a cikin sa ake gabatar da rigakafin mama na yara ga jariri. Ana iya rarraba wannan furotin zuwa nau'i biyu bisa ga yanayinsa da halayensa, kuma yana iya samun ayyuka daban-daban waɗanda ke da mahimmanci don kare kwayar halitta:

• IgA 1, wanda ya kasance galibi a cikin magani kuma yana da alhakin kariya ta rigakafi, saboda yana iya kawar da gubobi ko wasu abubuwan da aka samar ta hanyar mamaye ƙwayoyin cuta;
• IgA 2, wanda yake a cikin ƙwayoyin mucous kuma ana samunsa hade da ɓangaren ɓoye. Wannan nau'in IgA yana da juriya ga yawancin sunadaran da kwayoyin cuta ke samarwa waɗanda ke da alhakin lalata ƙwayoyin ƙwayoyin halitta kuma, sabili da haka, ya dace da layin farko na kariya daga ƙwayoyin cuta masu shiga jikin kwayar halitta ta cikin ƙwayoyin mucous.

Immunoglobulin A ana iya samu a cikin hawaye, yau da nono, ban da kasancewa a cikin tsarin halittar jini, narkewar abinci da hanyoyin numfashi, kare wadannan tsarin daga kamuwa da cututtuka.

Duba kuma yadda tsarin rigakafi ke aiki.

Abin da zai iya zama babban IgA

Inara yawan IgA na iya faruwa yayin da aka sami canje-canje a cikin ƙwayoyin mucous, musamman ma a cikin ƙwayoyin mucous na hanji da na numfashi, tunda ana samun wannan immunoglobulin galibi a wannan wurin. Don haka, adadin IgA na iya ƙaruwa idan akwai cututtukan numfashi ko na hanji da kuma cikin hanta cirrhosis, alal misali, ban da akwai kuma ana iya samun canje-canje idan akwai kamuwa da cuta a cikin fata ko koda.

Yana da mahimmanci a gudanar da wasu gwaje-gwajen don gano dalilin babban IgA kuma, don haka, za'a iya farawa magani mafi dacewa.

Abin da zai iya zama low IgA

Raguwar yawan IgA da ke zagayawa yawanci kwayoyin ne kuma baya haifar da ci gaban alamomin da suka danganci wannan canjin, ana ɗaukarsa rashi lokacin da natsuwa da wannan rigakafin immunoglobulin bai kai 5 mg / dL a cikin jini ba.

Koyaya, ƙaramin adadin wannan kewaya immunoglobulin a cikin jiki na iya tallafawa ci gaban cututtuka, tunda ƙwayoyin mucous ba su da kariya. Don haka, ban da ragewa saboda dalilai na kwayoyin, raunin IgA na iya kasancewa idan akwai:

• Canje-canje na rigakafi;
• Asthma;
• Rashin lafiyar numfashi;
• Cystic fibrosis;
• Ciwon sankarar jini;
• Ciwon gudawa;
• Ciwon Malabsorption;
• Sabbin haihuwa tare da rubella;
• Mutanen da aka yi wa dashen kasusuwan kashi;
• Yaran da suka kamu da cutar ta Epstein-Barr.

A ka'ida, idan aka samu raguwar IgA, jiki yana kokarin rama wannan raguwar ta hanyar kara samar da IgM da IgG domin yaki da cutar da kuma kiyaye jiki. Yana da mahimmanci cewa, ban da ma'aunin IgA, IgM da IgG, ana yin takamaiman gwaje-gwaje don gano dalilin sauyawa kuma, don haka, fara maganin da ya dace. Ara koyo game da IgM da IgG.