{"id":72795,"date":"2020-11-04T10:10:59","date_gmt":"2020-11-04T10:10:59","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/haptoglobin-3\/"},"modified":"2025-01-13T03:17:30","modified_gmt":"2025-01-13T03:17:30","slug":"haptoglobin","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sl\/diseases\/haptoglobin\/","title":{"rendered":"Haptoglobin"},"content":{"rendered":"<h2 id=\"kaj-je-haptoglobin\">Kaj je haptoglobin?<\/h2>\n<p>Haptoglobin (v\u010dasih skraj\u0161ano kot Hp) je glikoprotein, ki ga v na\u0161ih telesih proizvajajo jetra. Haptoglobin je tudi protein, ki ga kodira HP-jev \u010dlovek. V krvni plazmi je delovanje haptoglobina vezano na prosti hemoglobin, prisoten v krvi, ki se spro\u0161\u010da iz eritrocitov z visoko afiniteto in s tem zavira njegovo oksidativno delovanje. Nato bo kompleks haptoglobin-hemoglobin odstranjen iz retikuloendotelnega sistema, ve\u010dinoma vranica. V klini\u010dnih okoli\u0161\u010dinah se test za haptoglobulin uporablja za spremljanje in pregledovanje intravaskularne hemoliti\u010dne anemije. Pri intravaskularni hemolizi se bo prosti hemoglobin sprostil v obtok in tako bo haptoglobin veza na hemoglobin. V primeru intravaskularne hemolize, pri kateri pride do pove\u010danja spro\u0161\u010danja hemoglobina v krvi, je zato haptoglobin pozvan, da ga pridobi in ga vrne nazaj v jetra. Vendar haptoglobin ni zanesljiv na\u010din za razlikovanje med intravaskularno in ekstravaskularno hemolizo.<\/p>\n<p>Ta funkcija genov je kodiranje predproteina, da dobita tako alfa kot beta verige, ki se dejansko zdru\u017eijo kot tetramer in proizvajajo haptoglobin. Haptoglobin deluje tako, da ve\u017ee prosti plazemski hemoglobin, kar omogo\u010da razgradnim encimom dostop do hemoglobina, hkrati pa prepre\u010duje izgubo \u017eeleza skozi ledvice in \u0161\u010diti ledvice pred po\u0161kodbami hemoglobina. Haptoglobin ve\u010dinoma proizvajajo hepatkoiti, proizvajajo pa ga lahko tudi druga tkiva telesa, kot so plju\u010da, ledvice in ko\u017ea.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"zakaj-meriti-raven-haptoglobina\">Zakaj meriti raven haptoglobina?<\/h2>\n<p>Pregled za merjenje ravni haptoglobina je lahko koristen pri postopkih spremljanja hemoliti\u010dne anemije. Zni\u017eane vrednosti lahko ka\u017eejo tudi na po\u010dasnej\u0161o vrsto uni\u010denja rde\u010dih celic, ki ni povezana z anemijo. Uni\u010denje lahko na primer povzro\u010dijo mehanske sr\u010dne zaklopke ali nenormalni hemoglobin, na primer bolezen srpastih celic ali talasemija. Haptoglobin je znan kot reaktant v akutni fazi. Njegova raven se pove\u010da v akutnih stanjih, kot so oku\u017eba, po\u0161kodba, uni\u010denje tkiva, nekateri raki, opekline, operacija ali travma. Njegov namen je odstraniti po\u0161kodovane celice in naplavine ter re\u0161evati pomemben material, kot je \u017eelezo. Ravni haptoglobina se lahko uporabljajo za spremljanje poteka teh stanj.<\/p>\n<p>Ko se rde\u010de krvne celice aktivno uni\u010dujejo, haptoglobin izgine hitreje, kot se ustvarja, in se zato ravni haptoglobina v krvi zni\u017eajo.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"standard-priprave\">Standard priprave<\/h2>\n<p>Vzor\u010denje obi\u010dajno opravijo zjutraj, ko obi\u0161\u010dete bolni\u0161nico. Postenje pred pregledom je potrebno in ga bo usklajeval zdravnik. Pomembno je tudi obvestiti zdravnika o vseh trenutnih zdravilih, ki jih jemljete, saj lahko vplivajo na rezultate pregleda. Zdravila, ki lahko zvi\u0161ajo raven haptoglobina, so androgeni in kortikosteroidi. Zdravila, ki utegnejo omiliti raven haptoglobina, so: izoniazid, nitrofurantoin, kontracepcijske tablete, klorpromazin, kinidin, streptomicin, difenhidramin in indometacin. Ne prenehajte jemati teh zdravil pred sestankom z zdravnikom, ki vam bo nato priporo\u010dil nadaljnje korake. \u010ce bo zdravnik to zahteval, bo morda potrebna predhodna zdravstvena anamneza.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"je-preiskava-boleca-ali-nevarna\">Je preiskava bole\u010da ali nevarna?<\/h2>\n<p>Pregled ni ne bole\u010d ne nevaren. Ko igla vstopi v roko, lahko bolnik ob\u010duti rahlo mravljin\u010denje.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"kako-se-opravlja-preiskava\">Kako se opravlja preiskava?<\/h2>\n<p>Preiskava se opravi s preprostim testom krvi.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-72795","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=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Haptoglobin - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Kaj je haptoglobin? Haptoglobin (v\u010dasih skraj\u0161ano kot Hp) je glikoprotein, ki ga v na\u0161ih telesih proizvajajo jetra. Haptoglobin je tudi protein, ki ga kodira HP-jev \u010dlovek. V krvni plazmi je delovanje haptoglobina vezano na prosti hemoglobin, prisoten v krvi, ki se spro\u0161\u010da iz eritrocitov z visoko afiniteto in s tem zavira njegovo oksidativno delovanje. 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Haptoglobin (v\u010dasih skraj\u0161ano kot Hp) je glikoprotein, ki ga v na\u0161ih telesih proizvajajo jetra. Haptoglobin je tudi protein, ki ga kodira HP-jev \u010dlovek. V krvni plazmi je delovanje haptoglobina vezano na prosti hemoglobin, prisoten v krvi, ki se spro\u0161\u010da iz eritrocitov z visoko afiniteto in s tem zavira njegovo oksidativno delovanje. 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