{"id":72235,"date":"2018-05-02T10:19:35","date_gmt":"2018-05-02T10:19:35","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/gama-glutamil-transpeptidaza\/"},"modified":"2025-01-13T03:09:27","modified_gmt":"2025-01-13T03:09:27","slug":"gama-glutamil-transpeptidaza","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/diseases\/gama-glutamil-transpeptidaza\/","title":{"rendered":"Gama glutamil transpeptidaza"},"content":{"rendered":"<h2 id=\"sta-je-gama-glutamil-transpeptidaza\">\u0160ta je gama glutamil transpeptidaza?<\/h2>\n<p>Gama glutamil transpeptidaza (GGT), je enzim koji prenosi gama-glutamil funkcionalne grupe. \u00a0Gama glutamil transpeptidaza katalizuje prenos gama-glutamil dela glutationa do akseptora koji mo\u017ee biti aminokiselina, peptid ili voda i tako dolazi do stvaranja glutamata. GGT ima klju\u010dnnu ulogu u gama-glutamil ciklusu, procesu sinteze i degradacije glutationa i detoksikacije od lekova i ksenobiotika.<\/p>\n<p>&nbsp;<\/p>\n<p>Gama glutamil transpeptidaza nalazi se u \u0107elijskim membranama i mnogim tkivima uklju\u010duju\u0107i bubrege, \u017eu\u010dne puteve, pankreas, \u017eu\u010d, slezinu, srce, mozak, semene kesice, dok se male koli\u010dine nalaze u krvi. Ona je uklju\u010dena u transfer aminokiselina kroz \u0107elijsku membranu, kao i za metabolizam leukotriena.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"zasto-se-meri-nivo-gama-glutamil-transpeptidaze\">Za\u0161to se meri nivo gama glutamil transpeptidaze?<\/h2>\n<p>Merenje nivoa gama glutamil transpeptidaze uglavnom se koristi u dijagnostici oboljenja jetre i \u017eu\u010dnih piteva (kanala koji prenose \u017eu\u010d od jetre do \u017eu\u010di i crevnog trakta), ovaj test je zajedno sa ostalima od velike koristi u proveri funkcije jetre. Analiza se tako\u0111e koristi i za proveru o\u0161te\u0107enja jetre usled unosa prevelikih koli\u010dina toksi\u010dnih supstanci ili alkohola.<\/p>\n<p>&nbsp;<\/p>\n<p>Pove\u0107ana koncentracija GGT u serumu mo\u017ee da se uo\u010di kod nekih oboljenja jetre, \u017eu\u010dnih puteva i pankreasa. S tim u vezi, ima sli\u010dnu ulogu kao i alkalna fosfataza (ALP) u otkrivanju oboljenja \u017eu\u010dnih puteva. Naime, dva markera se relativno dobro povezuju, iako postoje sukobljena mi\u0161ljenja da li GGT ima bolju osetljivost. Generalno, merenje nivoa ALP se i dalje prvo koristi u otkrivanju poreme\u0107aja \u017eu\u010di. Glavna prednost GGT nad ALP je u potvrdi da povi\u0161ene vrednosti ALP proizilaze iz oboljenja \u017eu\u010di; nivo ALP mo\u017ee biti povi\u0161en i kod nekih oboljenja kostiju, dok sa GGT to nije slu\u010daj.<\/p>\n<p>&nbsp;<\/p>\n<p>Nivo gama glutamil transpeptidaze povi\u0161en je i zbog prevelikog unosa alkohola, me\u0111utim visok nivo GGT nije uvek povezan sa unosom prevelike koli\u010dine alkohola, i merenje odre\u0111enih serumskih oblika ovog enzima daje nam ne\u0161to preciznije podatke o uzroku.<\/p>\n<p>&nbsp;<\/p>\n<p>Normalne vrednosti variraju od 0 do 51 IU\/L, me\u0111utim to zavisi i od laboratorije kao i od vrste testa koji se koristi. Abnormalni rezultati mogu ukazati na sr\u010danu insuficijenciju, holestazu (zakr\u010denje \u017eu\u010dnih puteva), corizu jetre, hepatitis, ishemiju jetre (nedovoljno snabdevanje jetre krvlju), nekrozu jetre, tumor jetre, uzimanje hepatotoksi\u010dnih lekova, odumiranje tkiva jetre, o\u0161tenje srca i dijabetes.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"uzimanje-uzorka-za-analizu\">Uzimanje uzorka za analizu<\/h2>\n<p>Uzimanje uzorka za analizu obi\u010dno se obavlja u zdravstvenoj ustanovi u jutarnjim \u010dasovima. Nije potrebno obaviti posebne pripreme pred testiranje. Lekar \u0107e vas obavestiti da li je preporu\u010dljivo jesti pre davanja krvi na analizu. Trebalo bi da obavestite lekara o svim lekovima koje trenutno uzimate budu\u0107i da neki od njih mogu da uti\u010du na rezultate testiranja. Postoje izvesni lekovi i supstance koji pove\u0107avaju nivo GGT, poput alkohola, fenitoina i fenobarbitala. Me\u0111utim, postoje i lekovi koji smanjuju nivo GGT poput kontraceptivnih pilula i klofibrata.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"da-li-je-testiranje-bolno-i-stetno\">Da li je testiranje bolno i \u0161tetno?<\/h2>\n<p>Testiranje nije ni bolno ni \u0161tetno. Pacijent mo\u017ee da oseti lagani ubod prilikom ulaska igle u ruku tokom procesa va\u0111enja krvi za analizu.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"kako-se-izvodi-testiranje\">Kako se izvodi testiranje?<\/h2>\n<p>Testiranje se sastoji od uzimanja krvi za jednostavnu analizu.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72235","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gama glutamil transpeptidaza - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gama glutamil transpeptidaza - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je gama glutamil transpeptidaza? 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