{"id":10854,"date":"2021-06-23T09:12:26","date_gmt":"2021-06-23T08:12:26","guid":{"rendered":"https:\/\/www.institutocefer.com\/blog\/que-es-la-fish-en-espermatozoides\/"},"modified":"2021-06-23T09:12:26","modified_gmt":"2021-06-23T08:12:26","slug":"que-es-la-fish-en-espermatozoides","status":"publish","type":"post","link":"https:\/\/www.institutocefer.com\/ca\/blog\/que-es-la-fish-en-espermatozoides\/","title":{"rendered":"Qu\u00e8 \u00e9s la FISH en espermatozoides?"},"content":{"rendered":"<p>L&#8217;estudi de FISH en espermatozoides consisteix a estudiar els cromosomes esperm\u00e0tics<br \/>\n<!--more--><\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">Contenidos<\/p><ul class=\"toc_list\"><li><a href=\"#Que_es_un_estudi_de_FISH_en_espermatozoides\">Qu\u00e8 \u00e9s un estudi de FISH en espermatozoides?<\/a><\/li><li><a href=\"#Com_es_fa_un_estudi_de_FISH_en_espermatozoides\">Com es fa un estudi de FISH en espermatozoides?<\/a><\/li><li><a href=\"#Quan_esta_indicat_demanar_un_estudi_de_FISH_a_espermatozoides\">Quan est\u00e0 indicat demanar un estudi de FISH a espermatozoides?<\/a><\/li><li><a href=\"#Es_poden_fer_servir_els_espermatozoides_una_vegada_estudiats\">Es poden fer servir els espermatozoides una vegada estudiats?<\/a><\/li><li><a href=\"#Quina_diferencia_hi_ha_entre_l8217estudi_de_FISH_en_espermatozous_i_l8217estudi_meiotic\">Quina difer\u00e8ncia hi ha entre l&#8217;estudi de FISH en espermatozous i l&#8217;estudi mei\u00f2tic?<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Que_es_un_estudi_de_FISH_en_espermatozoides\">Qu\u00e8 \u00e9s un estudi de FISH en espermatozoides?<\/span><\/h2>\n<p>La FISH en espermatozoides \u00e9s un estudi de cromosomes esperm\u00e0tics mitjan\u00e7ant la t\u00e8cnica d&#8217;hibridaci\u00f3 in situ fluorescent (FISH, de l&#8217;angles Fluorescence in situ Hybridization). Aquest estudi pret\u00e9n identificar alteracions produ\u00efdes durant la meiosi. En aquest post podreu saber m\u00e9s sobre la meiosi. Les c\u00e8l\u00b7lules humanes tenen 46 cromosomes (23 parells) excepte els \u00f2vuls i espermatozoides que pateixen un proc\u00e9s anomenat meiosi pel qual redueixen a la meitat la seva dotaci\u00f3 cromos\u00f2mica. Passen a tenir 23 cromosomes. D&#8217;aquesta manera, en ajuntar-se, creen un embri\u00f3 que torna a tenir 46 cromosomes, 23 aportats per l&#8217;espermatozoide del pare i 23 aportats per l&#8217;\u00f2vuls de la mare. Doncs b\u00e9, durant la meiosi masculina, es produeixen errors que poden afectar els cromosomes esperm\u00e0tics.<\/p>\n\t\t<div class=\"ic_cta_wrapper\">\n\t\t\t<div class=\"ic_cta_banner\">\n\t\t    <a \n\t\t\t\t\thref=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/3340378\/4d1b524a-240a-4458-ba43-987cba27db12\" \n\t\t\t\t\tonclick=\"ic_cta_track_click_4667()\" \n\t\t\t\t\tclass=\"ic-cta ic-cta-generic\" \n\t\t\t\t\ttitle=\"QUIERO INFORMACI\u00d3N PERSONALIZADA\" \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\ttarget=\"_blank\"\n\t\t\t\t\t\t\t\t\t>\n\t\t      <img src=\"https:\/\/www.institutocefer.com\/wp-content\/uploads\/2022\/07\/cta_informacion_personalizada.png\" alt=\"QUIERO INFORMACI\u00d3N PERSONALIZADA\">\n\t\t    <\/a>\n\t\t\t\t<script>\n\t\t\t\t\twindow.onload = function(e) {\n\t\t\t\t\t\tga('send', 'event', {\n\t\t\t\t\t\t\teventCategory: 'QUIERO INFORMACI\u00d3N PERSONALIZADA',\n\t\t\t\t\t\t\teventAction: 'view',\n\t\t\t\t\t\t\teventLabel: 'https:\/\/www.institutocefer.com\/ca\/wp-json\/wp\/v2\/posts\/10854',\n\t\t\t\t\t\t\tnonInteraction: true\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction ic_cta_track_click_4667() {\n\t\t\t\t\t\tga('send', 'event', {\n\t\t\t\t\t\t\teventCategory: 'QUIERO INFORMACI\u00d3N PERSONALIZADA',\n\t\t\t\t\t\t\teventAction: 'click',\n\t\t\t\t\t\t\teventLabel: 'https:\/\/www.institutocefer.com\/ca\/wp-json\/wp\/v2\/posts\/10854'\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\t\t\t\t<\/script>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n  \n<h2><span id=\"Com_es_fa_un_estudi_de_FISH_en_espermatozoides\">Com es fa un estudi de FISH en espermatozoides?<\/span><\/h2>\n<p>Un estudi de FISH consisteix a estudiar\u00a0 els cromosomes 13, 18, 21, X i Y de l&#8217;espermatozoide (s&#8217;estudien nom\u00e9s aquests perqu\u00e8 s\u00f3n els que poden produir embrions viables amb alteracions cromos\u00f2miques). Les alteracions en altres cromosomes produiran esterilitat, errades dimplantaci\u00f3 o avortaments. Alteracions en aquests cromosomes ens indiquen que la meiosi no s&#8217;est\u00e0 fent correctament. La t\u00e8cnica que es fa servir per estudiar els cromosomes esperm\u00e0tics \u00e9s la hibridaci\u00f3 in situ fluorescent. Consisteix a marcar amb colorants fluorescents els cromosomes. Es fa servir un color diferent per a cada cromosoma. Se solen comptar uns mil espermatozoides i se n&#8217;avalua el percentatge d&#8217;aquests que estan alterats.<\/p>\n<h2><span id=\"Quan_esta_indicat_demanar_un_estudi_de_FISH_a_espermatozoides\">Quan est\u00e0 indicat demanar un estudi de FISH a espermatozoides?<\/span><\/h2>\n<p>L&#8217;estudi de cromosomes esperm\u00e0tics est\u00e0 indicat en els casos seg\u00fcents:<\/p>\n<ul>\n<li><strong>Avortaments de repetici\u00f3.<\/strong> En els casos d\u201fantecedents de 2 o m\u00e9s avortaments<\/li>\n<li><strong>Errors d&#8217;implantaci\u00f3<\/strong>. Si s&#8217;han realitzat diverses t\u00e8cniques de reproducci\u00f3 assistida amb transfer\u00e8ncia d&#8217;embrions sense \u00e8xit, seria important ampliar l&#8217;estudi esperm\u00e0tic amb aquesta t\u00e8cnica.<\/li>\n<li><strong>Recomptes esperm\u00e0tics per sota 1 mili\u00f3.<\/strong> S\u201fha observat que en aquests casos la incid\u00e8ncia d\u201falteracions \u00e9s molt superior.<\/li>\n<li><strong>Esterilitat d&#8217;origen desconegut.<\/strong> Quan no sabem quin \u00e9s l&#8217;origen de l&#8217;esterilitat i volem ampliar l&#8217;estudi mascul\u00ed aquesta \u00e9s una t\u00e8cnica senzilla que ens aporta molta informaci\u00f3<\/li>\n<\/ul>\n<h2><span id=\"Es_poden_fer_servir_els_espermatozoides_una_vegada_estudiats\">Es poden fer servir els espermatozoides una vegada estudiats?<\/span><\/h2>\n<p>Per realitzar la t\u00e8cnica de FISH en espermatozous necessitem fixar-los en un portaobjectes i descondensar l&#8217;ADN esperm\u00e0tic. Aquest proc\u00e9s destrueix l&#8217;espermatozoide. Encara que podem identificar els espermatozoides que s\u00f3n normals, no els podem fer servir per a t\u00e8cniques de reproducci\u00f3 assistida.<\/p>\n\t\t<div class=\"ic_cta_wrapper\">\n\t\t\t<div class=\"ic_cta_banner\">\n\t\t    <a \n\t\t\t\t\thref=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/3340378\/4d1b524a-240a-4458-ba43-987cba27db12\" \n\t\t\t\t\tonclick=\"ic_cta_track_click_4667()\" \n\t\t\t\t\tclass=\"ic-cta ic-cta-generic\" \n\t\t\t\t\ttitle=\"QUIERO INFORMACI\u00d3N PERSONALIZADA\" \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\ttarget=\"_blank\"\n\t\t\t\t\t\t\t\t\t>\n\t\t      <img src=\"https:\/\/www.institutocefer.com\/wp-content\/uploads\/2022\/07\/cta_informacion_personalizada.png\" alt=\"QUIERO INFORMACI\u00d3N PERSONALIZADA\">\n\t\t    <\/a>\n\t\t\t\t<script>\n\t\t\t\t\twindow.onload = function(e) {\n\t\t\t\t\t\tga('send', 'event', {\n\t\t\t\t\t\t\teventCategory: 'QUIERO INFORMACI\u00d3N PERSONALIZADA',\n\t\t\t\t\t\t\teventAction: 'view',\n\t\t\t\t\t\t\teventLabel: 'https:\/\/www.institutocefer.com\/ca\/wp-json\/wp\/v2\/posts\/10854',\n\t\t\t\t\t\t\tnonInteraction: true\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction ic_cta_track_click_4667() {\n\t\t\t\t\t\tga('send', 'event', {\n\t\t\t\t\t\t\teventCategory: 'QUIERO INFORMACI\u00d3N PERSONALIZADA',\n\t\t\t\t\t\t\teventAction: 'click',\n\t\t\t\t\t\t\teventLabel: 'https:\/\/www.institutocefer.com\/ca\/wp-json\/wp\/v2\/posts\/10854'\n\t\t\t\t\t\t});\n\t\t\t\t\t}\n\t\t\t\t<\/script>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n  \n<h2><span id=\"Quina_diferencia_hi_ha_entre_l8217estudi_de_FISH_en_espermatozous_i_l8217estudi_meiotic\">Quina difer\u00e8ncia hi ha entre l&#8217;estudi de FISH en espermatozous i l&#8217;estudi mei\u00f2tic?<\/span><\/h2>\n<p>Totes dues proves intenten estudiar el funcionament de la meiosi. L&#8217;estudi mei\u00f2tic se sol fer en bi\u00f2psia testicular. \u00c9s un estudi m\u00e9s agressiu, per\u00f2 ofereix informaci\u00f3 de tots els cromosomes. L&#8217;estudi de FISH en espermatozous es realitza en semen ejaculat. L&#8217;estudi de FISH \u00e9s m\u00e9s limitat perqu\u00e8 analitza menys espermatozoides, per\u00f2 evita haver de fer una bi\u00f2psia testicular. La tend\u00e8ncia a la cl\u00ednica androl\u00f2gica \u00e9s realitzar proves menys agressives que ens aportin la suficient informaci\u00f3 per poder indicar el millor tractament.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;estudi de FISH en espermatozoides consisteix a estudiar els cromosomes esperm\u00e0tics<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[96],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u00e8 \u00e9s la FISH en espermatozoides? - Instituto Reproducci\u00f3n Cefer<\/title>\n<meta name=\"description\" content=\"L&#039;estudi de FISH a espermatozoides consisteix a estudiar els cromosomes esperm\u00e0tics mitjan\u00e7ant la t\u00e8cnica d&#039;hibridaci\u00f3 in situ fluorescent\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.institutocefer.com\/ca\/blog\/que-es-la-fish-en-espermatozoides\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u00e8 \u00e9s la FISH en espermatozoides? 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