{"id":72230,"date":"2018-05-02T10:11:51","date_gmt":"2018-05-02T10:11:51","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/haptoglobin-2\/"},"modified":"2025-01-13T03:09:22","modified_gmt":"2025-01-13T03:09:22","slug":"haptoglobin","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/diseases\/haptoglobin\/","title":{"rendered":"Haptoglobin"},"content":{"rendered":"<h2 id=\"sta-je-haptoglobin\">\u0160ta je haptoglobin?<\/h2>\n<p>Haptoglobin (ponekad skra\u0107eno Hp) je glikoprotein koji se sinteti\u0161e u jetri. Haptoglobin je tako\u0111e protein koji je enkodiran od strane HP gena kod ljudi. U krvnoj plazmi, uloga haptoglobina je da vezuje slobodni hemoglobin prisutan u krvi, a koji se otpu\u0161ta iz eritrocita sa velikim afinitetom is toga inhibira njegovu oksidativnu aktivnost. Onda \u0107e haptoglobin-hemoglobin kompleks biti odstranjen putem retikuloendotelialnog sistema, prete\u017eno putem slezine. U klini\u010dke svrhe testiranje haptoglobulina koristi se za pra\u0107enje i skrining intravaskularne hemoliti\u010dke anemije. Kod intravaskularne hemolize, slobodni hemoglobin bi\u0107e oslobo\u0111en u cirkulaciju i samim tim \u0107e se haptoglobin vezati za hemoglobin. Kod ekstravaskularne hemolize, kod koje postoji porast u otpu\u0161tanju hemoglobin u krv, haptoglobin se izlu\u010duje kako bi ga vezao za sebe i vratio u jetru. Me\u0111utim, haptoglobin nije pouzdan pokazatelj za razgrani\u010davanje da li se radi o intravaskularnoj ili ekstravaskularnoj hemolizi.<\/p>\n<p>&nbsp;<\/p>\n<p>Funkcija HP gena je da \u0161ifrira preproprotein da propusti i alfa i beta lance, koji se zapravo kombinuju u tetramer za proizvodnju haptoglobina. Haptoglobinova uloga je da vezuje slobodan hemoglobin u plazmi \u010dime se omogu\u0107ava enzimima za razgradnju da pristupe hemoglobin istovremeno spre\u010davaju\u0107i gubitak gvo\u017e\u0111a putem bubrega, \u010duvaju\u0107i tako bubrege od o\u0161te\u0107enja koje mo\u017ee biti uzrokovano hemoglobinom. Haptoglobin se uglavnom proizvodi u hepatocitima, ali se tako\u0111e mo\u017ee sintetisati u ostalim organima poput plu\u0107a, bubrega ili ko\u017ee.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"zasto-se-meri-nivo-haptoglobina\">Za\u0161to se meri nivo haptoglobina?<\/h2>\n<p>Merenje nivoa haptoglobina mo\u017ee da bude od koristi tokom pra\u0107enja hemoliti\u010dke anemije. Smanjena vrednost tako\u0111e mo\u017ee da uka\u017ee na sporiju razgradnju crvenih krvnih zrnaca koje nema veze sa anemijom. Na primer, razgradnja mo\u017ee biti uzrokovana ve\u0161ta\u010dkim sr\u010danim zaliscima ili abnormalnim nivoom hemoglobina, kao kod bolesti srpastih \u0107elija ili kod talasemije. Haptoglobin je poznat i kao reagens akutne faze. Njegov nivo raste tokom nekih akutnih stanja poput infekcije, povrede, razaranja tkiva, nekih oblika kancera, opekotina, operacija ili povreda. Njegova uloga je da ukloni o\u0161te\u0107ene \u0107elije i spasu va\u017ena jedinjenja poput gvo\u017e\u0111a. Nivoi haptoglobina mogu da se koriste za pra\u0107enje toka ovih stanja.<\/p>\n<p>&nbsp;<\/p>\n<p>Kada dolazi do aktivnog razaranja crvenih krvnih zrnaca, haptoglobin nestaje br\u017ee nego \u0161to se stvara, \u010dime se njegov nivo u krvi smanjuje.<\/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 lekovi mogu da uti\u010du na rezultate testiranja.<\/p>\n<p>Lekovi koji mogu dovesti do pojave vi\u0161eg nivoa haptoglobina su Androgeni i Kortikosteroidi. S druge strane lekovi koji mogu smanjiti nivo haptoglobina su isonijazid, nitrofurantoin, kontraceptivne pilule, hlorpromazin, kinidin, streptomycin, difenhidramin i indometacin. \u00a0Nemojte prestati da uzimate ove lekove pre konsultacije sa lekarom koji \u0107e vam dati dalje smernice. Mogu\u0107e je da \u0107e biti potrebna i istorija drugih bolesti ukoliko lekar to zatra\u017ei.<\/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","protected":false},"featured_media":0,"template":"","class_list":["post-72230","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>Haptoglobin - 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=\"Haptoglobin - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je haptoglobin? Haptoglobin (ponekad skra\u0107eno Hp) je glikoprotein koji se sinteti\u0161e u jetri. Haptoglobin je tako\u0111e protein koji je enkodiran od strane HP gena kod ljudi. U krvnoj plazmi, uloga haptoglobina je da vezuje slobodni hemoglobin prisutan u krvi, a koji se otpu\u0161ta iz eritrocita sa velikim afinitetom is toga inhibira njegovu oksidativnu aktivnost. 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Haptoglobin (ponekad skra\u0107eno Hp) je glikoprotein koji se sinteti\u0161e u jetri. Haptoglobin je tako\u0111e protein koji je enkodiran od strane HP gena kod ljudi. U krvnoj plazmi, uloga haptoglobina je da vezuje slobodni hemoglobin prisutan u krvi, a koji se otpu\u0161ta iz eritrocita sa velikim afinitetom is toga inhibira njegovu oksidativnu aktivnost. 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