{"id":4763,"date":"2015-02-23T11:04:21","date_gmt":"2015-02-23T10:04:21","guid":{"rendered":"http:\/\/histoweb.com\/?p=4763"},"modified":"2022-11-14T19:04:17","modified_gmt":"2022-11-14T18:04:17","slug":"c-kit-em-mastocitomas-felinos","status":"publish","type":"post","link":"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/","title":{"rendered":"c-Kit em mastocitomas felinos"},"content":{"rendered":"<p>A maior parte dos mastocitomas na esp\u00e9cie felina s\u00e3o considerados neoplasias de baixa agressividade a diferen\u00e7a do que sucede em c\u00e3es. Uma percentagem vari\u00e1vel destas les\u00f5es, no entanto, comporta-se como tumores malignos e podem gerar extens\u00e3o visceral a partir de les\u00f5es cut\u00e2neas at\u00e9 num 22% de casos. Excetuando o \u00edndice mit\u00f3tico, n\u00e3o h\u00e1 consenso sobre os crit\u00e9rios para reconhecer a este subgrupo de tumores de maior agressividade.<\/p>\n<p>Tendo em conta a vincula\u00e7\u00e3o que existe na esp\u00e9cie canina entre as muta\u00e7\u00f5es do gene c-Kit, que codifica para o receptor tirosina-quinasa em mast\u00f3citos, e o incremento da prolifera\u00e7\u00e3o celular e redu\u00e7\u00e3o da taxa de sobreviv\u00eancia, prop\u00f4s-se se a identifica\u00e7\u00e3o desta altera\u00e7\u00e3o molecular permite uma melhor interpreta\u00e7\u00e3o dos mastocitomas em gatos e reconhecer aqueles tumores mais agressivos. Ao igual que em c\u00e3es, os gatos tamb\u00e9m t\u00eam muta\u00e7\u00f5es de c-Kit. Agora bem, enquanto a distribui\u00e7\u00e3o da prote\u00edna est\u00e1 relacionada com o comportamento do tumor, a altera\u00e7\u00e3o do proto-oncogene n\u00e3o se corresponde com o desenvolvimento da neoplasia nem com o progn\u00f3stico como acontece em c\u00e3es. Este trabalho discute o papel dudoso que t\u00eam as altera\u00e7\u00f5es do receptor c-Kit em gatos.<\/p>\n<p><a href=\"http:\/\/vet.sagepub.com\/content\/50\/5\/797.full.pdf\">Prognostic significance of Kit receptor tyrosine kinase dysregulations in feline cutaneous mast cell tumors. <\/a>Sabattini S. Vet Pathol. 2013. 50(5):797-805<\/p>\n<p style=\"text-align: center;\">Archivo<\/p>\n<p><a href=\"\/pt-pt\/web-journal\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4197 size-medium\" src=\"https:\/\/histoweb.com\/wp-content\/uploads\/2014\/11\/logo-web-journal-300x62.jpg\" alt=\"logo web journal\" width=\"300\" height=\"62\" srcset=\"https:\/\/histoweb.com\/wp-content\/uploads\/2014\/11\/logo-web-journal-300x62.jpg 300w, https:\/\/histoweb.com\/wp-content\/uploads\/2014\/11\/logo-web-journal.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A maior parte dos mastocitomas na esp\u00e9cie felina s\u00e3o considerados neoplasias de baixa agressividade a diferen\u00e7a do que sucede em c\u00e3es. Uma percentagem vari\u00e1vel destas les\u00f5es, no entanto, comporta-se como tumores malignos e podem gerar extens\u00e3o visceral a partir de les\u00f5es cut\u00e2neas at\u00e9 num 22% de casos. Excetuando o \u00edndice mit\u00f3tico, n\u00e3o h\u00e1 consenso sobre [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4713,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-journal-pt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>c-Kit em mastocitomas felinos - Histoweb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"c-Kit em mastocitomas felinos - Histoweb\" \/>\n<meta property=\"og:description\" content=\"A maior parte dos mastocitomas na esp\u00e9cie felina s\u00e3o considerados neoplasias de baixa agressividade a diferen\u00e7a do que sucede em c\u00e3es. Uma percentagem vari\u00e1vel destas les\u00f5es, no entanto, comporta-se como tumores malignos e podem gerar extens\u00e3o visceral a partir de les\u00f5es cut\u00e2neas at\u00e9 num 22% de casos. Excetuando o \u00edndice mit\u00f3tico, n\u00e3o h\u00e1 consenso sobre [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\" \/>\n<meta property=\"og:site_name\" content=\"Histoweb\" \/>\n<meta property=\"article:published_time\" content=\"2015-02-23T10:04:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-14T18:04:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/histoweb.com\/wp-content\/uploads\/2015\/02\/bernice-cat-detailed-face_w725_h521.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"725\" \/>\n\t<meta property=\"og:image:height\" content=\"521\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Histovet\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Histovet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\"},\"author\":{\"name\":\"Histovet\",\"@id\":\"https:\/\/histoweb.com\/#\/schema\/person\/d78fc7be2f2d4a1a7ddbe14459fec354\"},\"headline\":\"c-Kit em mastocitomas felinos\",\"datePublished\":\"2015-02-23T10:04:21+00:00\",\"dateModified\":\"2022-11-14T18:04:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\"},\"wordCount\":243,\"publisher\":{\"@id\":\"https:\/\/histoweb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/histoweb.com\/wp-content\/uploads\/2015\/02\/bernice-cat-detailed-face_w725_h521.jpg\",\"articleSection\":[\"Artigos\"],\"inLanguage\":\"pt-PT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\",\"url\":\"https:\/\/histoweb.com\/pt-pt\/c-kit-em-mastocitomas-felinos\/\",\"name\":\"c-Kit em mastocitomas felinos - 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