{"id":2463,"date":"2026-07-10T16:07:22","date_gmt":"2026-07-10T14:07:22","guid":{"rendered":"https:\/\/www.amyloidosisalliance.org\/amiloidosis-hereditarias-raras\/"},"modified":"2026-10-22T15:23:16","modified_gmt":"2026-10-22T13:23:16","slug":"amiloidosis-hereditarias-raras","status":"publish","type":"page","link":"https:\/\/www.amyloidosisalliance.org\/es\/tipos-de-amiloidosis\/amiloidosis-hereditarias-raras\/","title":{"rendered":"Amiloidosis hereditarias raras"},"content":{"rendered":"\n<nav class=\"wp-block-group aa-breadcrumb aa-events-hero__crumb is-layout-flow wp-block-group-is-layout-flow\" aria-label=\"Breadcrumb\">\n\t\n\t<div class=\"aa-inner\"><a href=\"\/\">Inicio<\/a><span class=\"aa-breadcrumb__sep\">\u203a<\/span><span class=\"aa-breadcrumb__label\">Amiloidosis<\/span><span class=\"aa-breadcrumb__sep\">\u203a<\/span><a href=\"https:\/\/www.amyloidosisalliance.org\/types-of-amyloidosis\/\">Tipos de amiloidosis<\/a><span class=\"aa-breadcrumb__sep\">\u203a<\/span><a href=\"https:\/\/www.amyloidosisalliance.org\/es\/otros-tipos\/\">Otros tipos<\/a><span class=\"aa-breadcrumb__sep\">\u203a<\/span><span class=\"aa-breadcrumb__current\">Amiloidosis raras<\/span><\/div>\n\t\n<\/nav>\n\n<section class=\"wp-block-group aa-events-hero aa-events-hero--art aa-events-hero--rare is-layout-flow wp-block-group-is-layout-flow\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t<p class=\"aa-events-hero__kicker wp-block-paragraph\">Otros tipos<\/p>\n\t\t<h1 class=\"wp-block-heading\">Amiloidosis hereditarias raras<\/h1>\n\t\t<p class=\"wp-block-paragraph\">M\u00e1s all\u00e1 de la transtiretina, un peque\u00f1o n\u00famero de otras prote\u00ednas hereditarias pueden plegarse de forma an\u00f3mala y formar amiloide. Estas formas son extremadamente raras, no tienen ning\u00fan rasgo cl\u00ednico propio y los ri\u00f1ones son los m\u00e1s afectados. Identificar con exactitud la prote\u00edna no es un detalle te\u00f3rico: es lo que determina el tratamiento.<\/p>\n\t<\/div>\n\t\n\t\n\t<div class=\"wp-block-group aa-events-hero__art is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"\/wp-content\/themes\/amyloidosis-alliance\/assets\/images\/disease\/rare.svg\" alt=\"Esquema: varias prote&#xED;nas hereditarias diferentes se pliegan mal, se alinean y se apilan formando una fibrilla amiloide\"\/><\/figure>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<nav class=\"wp-block-group aa-anchorband is-layout-flow wp-block-group-is-layout-flow\" aria-label=\"Section navigation\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-columns aa-anchor-cols is-layout-flex wp-container-core-columns-is-layout-b2e659ba wp-block-columns-is-layout-flex\">\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">01<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#what\">\u00bfDe qu\u00e9 se trata?<\/a><\/p><\/div>\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">02<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#proteins\">Las prote\u00ednas<\/a><\/p><\/div>\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">03<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#symptoms\">S\u00edntomas<\/a><\/p><\/div>\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">04<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#diagnosis\">Diagn\u00f3stico<\/a><\/p><\/div>\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">05<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#treatment\">Tratamiento<\/a><\/p><\/div>\n\t\t\t<div class=\"wp-block-column aa-anchor-item is-layout-flow wp-block-column-is-layout-flow\"><p class=\"num wp-block-paragraph\">06<\/p><p class=\"lbl wp-block-paragraph\"><a href=\"#follow-up\">Seguimiento<\/a><\/p><\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/nav>\n\n<section class=\"wp-block-group aa-section aa-section--white aa-what is-layout-flow wp-block-group-is-layout-flow\" id=\"what\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">01<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">\u00bfDe qu\u00e9 se trata?<\/h2>\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-key-idea is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<p class=\"aa-key-idea__label wp-block-paragraph\">Idea clave<\/p>\n\t\t\t\t<p class=\"wp-block-paragraph\">Estas formas no pueden reconocerse en la exploraci\u00f3n cl\u00ednica. No tienen ning\u00fan rasgo cl\u00ednico propio. Solo la identificaci\u00f3n de la prote\u00edna indica al m\u00e9dico qu\u00e9 hacer.<\/p>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-what-cols is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-what-col is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<h4 class=\"wp-block-heading\">M\u00e1s all\u00e1 de la transtiretina<\/h4>\n\t\t\t\t<p class=\"wp-block-paragraph\">Junto a las amiloidosis por transtiretina, otras varias formas hereditarias se deben a mutaciones de prote\u00ednas completamente distintas. Cada mutaci\u00f3n altera el c\u00f3digo gen\u00e9tico de modo que una prote\u00edna se pliega mal, y la prote\u00edna mal plegada se deposita en forma de amiloide.<\/p>\n\t\t\t\t<p class=\"wp-block-paragraph\">La transtiretina sigue siendo, con mucho, la m\u00e1s frecuente de las formas hereditarias. Las dem\u00e1s formas descritas en esta p\u00e1gina son <strong>extremadamente raras<\/strong>.<\/p>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-what-col is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<h4 class=\"wp-block-heading\">Ning\u00fan rasgo propio<\/h4>\n\t\t\t\t<p class=\"wp-block-paragraph\">No presentan ning\u00fan signo cl\u00ednico distintivo. Nada en los s\u00edntomas orienta hacia una prote\u00edna m\u00e1s que hacia otra: por eso pasan tan f\u00e1cilmente desapercibidas, y por eso el laboratorio tiene la \u00faltima palabra.<\/p>\n\t\t\t\t<p class=\"wp-block-paragraph\">Los <strong>ri\u00f1ones<\/strong> son el principal \u00f3rgano diana. Qu\u00e9 otros \u00f3rganos se ven afectados depende por completo de la prote\u00edna que ha mutado.<\/p>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--cream aa-r-proteins-sec is-layout-flow wp-block-group-is-layout-flow\" id=\"proteins\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-centered-head is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">02<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">Las prote\u00ednas implicadas<\/h2>\n\t\t\t<div class=\"aa-divider-dot\"><\/div>\n\t\t\t<p class=\"wp-block-paragraph\">Todas se transmiten de forma autos\u00f3mica dominante. Cada una tiene su propio tropismo y, sobre todo, su propio tratamiento.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-r-proteins is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<div class=\"wp-block-group aa-rare-row is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-rare-row__name wp-block-paragraph\">AFib<\/p><p class=\"aa-rare-row__desc wp-block-paragraph\">Mutaci\u00f3n de la cadena alfa del fibrin\u00f3geno. Una enfermedad exclusivamente renal, y una de las formas hereditarias m\u00e1s frecuentes en Europa occidental. La prote\u00edna la produce el h\u00edgado, lo que abre una v\u00eda terap\u00e9utica que las dem\u00e1s formas no tienen.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-rare-row is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-rare-row__name wp-block-paragraph\">AApoAI<\/p><p class=\"aa-rare-row__desc wp-block-paragraph\">Mutaci\u00f3n de la apolipoprote\u00edna A-I. Afecta a los ri\u00f1ones, al h\u00edgado y a los nervios perif\u00e9ricos. Pueden estar implicados varios miembros de la familia de las apolipoprote\u00ednas: A-I, A-II, A-IV, C-II y C-III.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-rare-row is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-rare-row__name wp-block-paragraph\">ALys<\/p><p class=\"aa-rare-row__desc wp-block-paragraph\">Mutaci\u00f3n de la lisozima. Afectaci\u00f3n renal en primer plano, con dep\u00f3sitos tambi\u00e9n en el h\u00edgado. La prote\u00edna la producen varios tejidos, no solo el h\u00edgado, lo que lo cambia todo en cuanto a su tratamiento.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-rare-row is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-rare-row__name wp-block-paragraph\">AGel<\/p><p class=\"aa-rare-row__desc wp-block-paragraph\">Mutaci\u00f3n de la gelsolina. Provoca sobre todo neuropat\u00eda craneal y distrofia corneal reticular. M\u00e1s frecuente en Finlandia.<\/p><\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--white aa-tp-symptoms is-layout-flow wp-block-group-is-layout-flow\" id=\"symptoms\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-centered-head is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">03<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">S\u00edntomas<\/h2>\n\t\t\t<div class=\"aa-divider-dot\"><\/div>\n\t\t\t<p class=\"wp-block-paragraph\">Durante mucho tiempo no se nota nada, mientras los dep\u00f3sitos se acumulan en silencio. Los s\u00edntomas, cuando aparecen, son los de un ri\u00f1\u00f3n que lleva a\u00f1os fallando.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-organs aa-tp-organs--major is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<div class=\"wp-block-group aa-tp-organ is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Los ri\u00f1ones<\/h3><p class=\"aa-tp-organ__tag wp-block-paragraph\">El principal \u00f3rgano diana<\/p><p class=\"wp-block-paragraph\">La fase inicial es silenciosa: el amiloide se instala en el ri\u00f1\u00f3n sin dar se\u00f1ales. Despu\u00e9s aparecen la hinchaz\u00f3n de los tobillos, la tensi\u00f3n arterial alta, el cansancio, la palidez y la falta de aire, los s\u00edntomas generales de una insuficiencia renal avanzada.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-tp-organ is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Otros \u00f3rganos<\/h3><p class=\"aa-tp-organ__tag wp-block-paragraph\">Depende de la prote\u00edna<\/p><p class=\"wp-block-paragraph\">M\u00e1s all\u00e1 de los ri\u00f1ones, el cuadro cambia de una mutaci\u00f3n a otra: el h\u00edgado, los nervios perif\u00e9ricos, la c\u00f3rnea. Dos personas con los mismos s\u00edntomas pueden tener dos enfermedades diferentes.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-tp-organ is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\">Lo que muestran las pruebas<\/h3><p class=\"aa-tp-organ__tag wp-block-paragraph\">Antes de los s\u00edntomas<\/p><p class=\"wp-block-paragraph\">La presencia de prote\u00ednas en la orina, la proteinuria, suele ser la primera anomal\u00eda detectada. Una creatinina en aumento en la sangre indica que el ri\u00f1\u00f3n ya no filtra como deber\u00eda.<\/p><\/div>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-flags is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-tp-flags__photo is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-patient-and-a-clinician-reviewing-results-together-1024x683.jpg\" alt=\"Una paciente y un m&#xE9;dico revisando juntos unos resultados\" class=\"wp-image-687\" srcset=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-patient-and-a-clinician-reviewing-results-together-1024x683.jpg 1024w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-patient-and-a-clinician-reviewing-results-together-300x200.jpg 300w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-patient-and-a-clinician-reviewing-results-together-768x512.jpg 768w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-patient-and-a-clinician-reviewing-results-together-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-tp-flags__body is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<h3 class=\"wp-block-heading\">Cu\u00e1ndo consultar<\/h3>\n\t\t\t\t<p class=\"wp-block-paragraph\">Ninguno de estos signos es propio de la amiloidosis. Lo que debe hacer plantear la pregunta es su combinaci\u00f3n con antecedentes familiares de la enfermedad.<\/p>\n\t\t\t\t\n\t\t\t\t<ul class=\"wp-block-list aa-tp-flags__list\">\n\t\t\t\t\t<li>Hinchaz\u00f3n de los tobillos<\/li>\n\t\t\t\t\t<li>Tensi\u00f3n arterial alta<\/li>\n\t\t\t\t\t<li>Cansancio y palidez<\/li>\n\t\t\t\t\t<li>Falta de aire<\/li>\n\t\t\t\t\t<li>Prote\u00ednas en la orina<\/li>\n\t\t\t\t\t<li>Una creatinina en aumento en los an\u00e1lisis de sangre<\/li>\n\t\t\t\t\t<li>Amiloidosis en un progenitor, un hermano, una hermana o un hijo<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-group aa-tp-alert is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t\t<p class=\"wp-block-paragraph\">Durante mucho tiempo no se nota nada. Los dep\u00f3sitos se acumulan en el ri\u00f1\u00f3n en silencio, y la primera se\u00f1al suele ser un resultado de laboratorio.<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--cream aa-tp-dx is-layout-flow wp-block-group-is-layout-flow\" id=\"diagnosis\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-dx__body is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">04<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">C\u00f3mo se diagnostican<\/h2>\n\t\t\t<p class=\"aa-tp-dx__intro wp-block-paragraph\">Como nada en el cuadro cl\u00ednico distingue una de estas formas de otra, todo el diagn\u00f3stico se basa en el laboratorio y, en \u00faltima instancia, en un gen.<\/p>\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-tp-dx__steps is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<div class=\"wp-block-group aa-tp-dx__step is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-tp-dx__step-num wp-block-paragraph\">01<\/p><h4 class=\"wp-block-heading\">Antecedentes familiares<\/h4><p class=\"wp-block-paragraph\">Amiloidosis en los padres, los hermanos o los hijos. Varios miembros afectados orientan hacia una forma gen\u00e9tica, aunque un caso \u00fanico y aislado sigue siendo perfectamente posible.<\/p><\/div>\n\t\t\t\t<div class=\"wp-block-group aa-tp-dx__step is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-tp-dx__step-num wp-block-paragraph\">02<\/p><h4 class=\"wp-block-heading\">Encontrar el amiloide<\/h4><p class=\"wp-block-paragraph\">Una biopsia de una zona accesible: las gl\u00e1ndulas salivales, el tubo digestivo. Con mayor frecuencia es una biopsia renal, realizada sin que se sospeche en absoluto una amiloidosis, la que la pone de manifiesto. La tinci\u00f3n con rojo Congo confirma los dep\u00f3sitos.<\/p><\/div>\n\t\t\t\t<div class=\"wp-block-group aa-tp-dx__step is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-tp-dx__step-num wp-block-paragraph\">03<\/p><h4 class=\"wp-block-heading\">Tipificarla<\/h4><p class=\"wp-block-paragraph\">La inmunohistoqu\u00edmica, con anticuerpos espec\u00edficos de cada prote\u00edna, permite determinar cu\u00e1l se ha depositado.<\/p><\/div>\n\t\t\t\t<div class=\"wp-block-group aa-tp-dx__step is-layout-flow wp-block-group-is-layout-flow\"><p class=\"aa-tp-dx__step-num wp-block-paragraph\">04<\/p><h4 class=\"wp-block-heading\">La prueba gen\u00e9tica<\/h4><p class=\"wp-block-paragraph\">Es el m\u00e9todo de referencia. Identifica la prote\u00edna y, al identificarla, se\u00f1ala el tratamiento.<\/p><\/div>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-dx__photo is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-laboratory-technician-pipetting-samples-into-tubes-1024x643.jpg\" alt=\"Una t&#xE9;cnica de laboratorio pipeteando muestras en tubos\" class=\"wp-image-688\" srcset=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-laboratory-technician-pipetting-samples-into-tubes-1024x643.jpg 1024w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-laboratory-technician-pipetting-samples-into-tubes-300x188.jpg 300w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-laboratory-technician-pipetting-samples-into-tubes-768x482.jpg 768w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-laboratory-technician-pipetting-samples-into-tubes-1536x964.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--white aa-treating is-layout-flow wp-block-group-is-layout-flow\" id=\"treatment\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-centered-head is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">05<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">Tratamiento<\/h2>\n\t\t\t<div class=\"aa-divider-dot\"><\/div>\n\t\t\t<p class=\"wp-block-paragraph\">Por eso un diagn\u00f3stico preciso es tan importante.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-alert aa-tp-alert--wide is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"wp-block-paragraph\">Los s\u00edntomas pueden ser id\u00e9nticos de una forma rara a otra, mientras que los tratamientos son totalmente distintos. Establecer con exactitud de cu\u00e1l se trata cambia lo que se puede hacer.<\/p>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-treat-lead is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-tp-treat-lead__photo is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/surgeons-at-work-in-an-operating-theatre-1024x683.jpg\" alt=\"Cirujanos trabajando en un quir&#xF3;fano\" class=\"wp-image-689\" srcset=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/surgeons-at-work-in-an-operating-theatre-1024x683.jpg 1024w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/surgeons-at-work-in-an-operating-theatre-300x200.jpg 300w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/surgeons-at-work-in-an-operating-theatre-768x512.jpg 768w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/surgeons-at-work-in-an-operating-theatre-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\n\t\t\t<div class=\"wp-block-group aa-tp-treat-lead__body is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\t<h3 class=\"wp-block-heading\">Detener la producci\u00f3n en su origen<\/h3>\n\t\t\t\t<p class=\"wp-block-paragraph\">El tratamiento de fondo consiste en eliminar la producci\u00f3n de la prote\u00edna mutada. Solo es posible cuando la prote\u00edna la produce el h\u00edgado, porque un h\u00edgado se puede sustituir.<\/p>\n\t\t\t\t<p class=\"wp-block-paragraph\">La cadena alfa del fibrin\u00f3geno la produce el h\u00edgado, as\u00ed que un trasplante hep\u00e1tico act\u00faa sobre la causa. La lisozima la producen varios tejidos a la vez, y ning\u00fan trasplante puede eliminarlos todos. Misma insuficiencia renal, mismo aspecto al microscopio, conclusiones opuestas.<\/p>\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-treating-grid is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<div class=\"wp-block-group aa-treating-card is-layout-flow wp-block-group-is-layout-flow\"><span class=\"aa-icon-tile\"><svg aria-hidden=\"true\" focusable=\"false\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M4 3v10a4 4 0 0 0 8 0V7a3 3 0 0 1 6 0v8\"><\/path><circle cx=\"18\" cy=\"18\" r=\"3\"><\/circle><\/svg><\/span><h3 class=\"wp-block-heading\">Trasplante hep\u00e1tico<\/h3><p class=\"wp-block-paragraph\">Posible cuando la prote\u00edna mutada la produce el h\u00edgado, como ocurre con la cadena alfa del fibrin\u00f3geno. No es una opci\u00f3n para la lisozima, que producen varios tejidos.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-treating-card is-layout-flow wp-block-group-is-layout-flow\"><span class=\"aa-icon-tile\"><svg aria-hidden=\"true\" focusable=\"false\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12 22a7 7 0 0 0 7-7c0-2-1-3.9-3-5.5s-3.5-4-4-6.5c-.5 2.5-2 4.9-4 6.5S5 13 5 15a7 7 0 0 0 7 7z\"><\/path><\/svg><\/span><h3 class=\"wp-block-heading\">Di\u00e1lisis<\/h3><p class=\"wp-block-paragraph\">Cuando los ri\u00f1ones ya no pueden cumplir su funci\u00f3n, la di\u00e1lisis toma el relevo. Mantiene con vida, pero no act\u00faa sobre la causa.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-treating-card is-layout-flow wp-block-group-is-layout-flow\"><span class=\"aa-icon-tile\"><svg aria-hidden=\"true\" focusable=\"false\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.75\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/span><h3 class=\"wp-block-heading\">Trasplante renal<\/h3><p class=\"wp-block-paragraph\">A menudo posible, y a menudo decisivo. Pero sustituye el \u00f3rgano, no el origen: la enfermedad puede reaparecer en el ri\u00f1\u00f3n trasplantado.<\/p><\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--forest aa-tp-outlook is-layout-flow wp-block-group-is-layout-flow\" id=\"follow-up\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-outlook__photo is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-clinician-discussing-medical-imaging-with-a-patient-1024x683.jpg\" alt=\"Un m&#xE9;dico comentando im&#xE1;genes m&#xE9;dicas con un paciente\" class=\"wp-image-690\" srcset=\"https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-clinician-discussing-medical-imaging-with-a-patient-1024x683.jpg 1024w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-clinician-discussing-medical-imaging-with-a-patient-300x200.jpg 300w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-clinician-discussing-medical-imaging-with-a-patient-768x512.jpg 768w, https:\/\/www.amyloidosisalliance.org\/wp-content\/uploads\/2026\/09\/a-clinician-discussing-medical-imaging-with-a-patient-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-outlook__body is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">06<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">Seguimiento<\/h2>\n\t\t\t<h4 class=\"wp-block-heading\">Vigilar los ri\u00f1ones<\/h4>\n\t\t\t<p class=\"wp-block-paragraph\">El seguimiento se organiza en torno a la funci\u00f3n renal. Se mide, y se vuelve a medir, porque es lo que determina c\u00f3mo evolucionar\u00e1 la enfermedad y cu\u00e1ndo ser\u00e1 necesario un trasplante.<\/p>\n\t\t\t<h4 class=\"wp-block-heading\">Una evoluci\u00f3n impredecible<\/h4>\n\t\t\t<p class=\"wp-block-paragraph\">La evoluci\u00f3n de estas enfermedades no se puede prever. La funci\u00f3n renal puede disminuir lentamente a lo largo de muchos a\u00f1os, o r\u00e1pidamente. Precisamente esa imprevisibilidad hace que la vigilancia sea continua y no ocasional.<\/p>\n\t\t\t<p class=\"aa-tp-outlook__closing wp-block-paragraph\">Su rareza es la dificultad. Identificar la prote\u00edna es lo que convierte una enfermedad que nadie sabe tratar en una que se puede tratar.<\/p>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-section aa-section--white aa-tp-faq is-layout-flow wp-block-group-is-layout-flow\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-centered-head is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">FAQ<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">Preguntas frecuentes<\/h2>\n\t\t\t<div class=\"aa-divider-dot\"><\/div>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-acc is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t\n\t\t\t<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00bfSon hereditarias estas formas?<\/summary>\n\t\t\t<p class=\"wp-block-paragraph\">S\u00ed. Se transmiten de forma autos\u00f3mica dominante, como la amiloidosis ATTR hereditaria. Basta con una mutaci\u00f3n en uno de los progenitores. Dicho esto, un caso aislado en una familia sin antecedentes conocidos es perfectamente posible.<\/p>\n\t\t\t<\/details>\n\t\t\t\n\t\t\t\n\t\t\t<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00bfPor qu\u00e9 es tan importante la prote\u00edna exacta?<\/summary>\n\t\t\t<p class=\"wp-block-paragraph\">Porque los tratamientos no tienen casi nada en com\u00fan, mientras que los s\u00edntomas pueden ser indistinguibles. Un trasplante hep\u00e1tico act\u00faa sobre la causa de la forma por fibrin\u00f3geno y no puede hacer nada por la forma por lisozima. Dos pacientes cuyos ri\u00f1ones fallan de la misma manera necesitan dos respuestas diferentes, y solo el laboratorio puede decir cu\u00e1l.<\/p>\n\t\t\t<\/details>\n\t\t\t\n\t\t\t\n\t\t\t<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00bfPuedo hacerme la prueba?<\/summary>\n\t\t\t<p class=\"wp-block-paragraph\">Existe una prueba gen\u00e9tica y es el m\u00e9todo de referencia. En Francia est\u00e1 regulada: solo para adultos, precedida de entrevistas con un psic\u00f3logo, con entrega de los resultados al cabo de varias semanas. El cribado suele empezar por los hermanos y los hijos adultos. Las normas var\u00edan de un pa\u00eds a otro: su centro le indicar\u00e1 lo que se aplica donde usted vive.<\/p>\n\t\t\t<\/details>\n\t\t\t\n\t\t\t\n\t\t\t<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00bfQu\u00e9 \u00f3rgano se ve afectado?<\/summary>\n\t\t\t<p class=\"wp-block-paragraph\">El ri\u00f1\u00f3n, principalmente, en todas estas formas. M\u00e1s all\u00e1 de eso, depende de la prote\u00edna: el h\u00edgado, los nervios perif\u00e9ricos o la c\u00f3rnea tambi\u00e9n pueden verse afectados. Ninguna combinaci\u00f3n de s\u00edntomas permite identificar una forma m\u00e1s que otra.<\/p>\n\t\t\t<\/details>\n\t\t\t\n\t\t\t\n\t\t\t<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00bfUn trasplante renal cura la enfermedad?<\/summary>\n\t\t\t<p class=\"wp-block-paragraph\">No. Sustituye el \u00f3rgano que ha fallado, no la prote\u00edna que lo ha destruido, y la enfermedad puede reaparecer en el ri\u00f1\u00f3n trasplantado. Cuando la prote\u00edna mutada la produce el h\u00edgado, un trasplante hep\u00e1tico s\u00ed act\u00faa sobre la causa: una raz\u00f3n m\u00e1s por la que merece la pena esperar el diagn\u00f3stico exacto.<\/p>\n\t\t\t<\/details>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-tp-disclaimer is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"wp-block-paragraph\">Esta p\u00e1gina es informaci\u00f3n general destinada a pacientes, familias y profesionales sanitarios. No sustituye el consejo m\u00e9dico. Los itinerarios de prueba gen\u00e9tica, los criterios de acceso al trasplante y el acceso a tratamientos especializados var\u00edan de un pa\u00eds a otro. Hable siempre de su situaci\u00f3n con su propio equipo especializado.<\/p>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n\n<section class=\"wp-block-group aa-next aa-next--split is-layout-flow wp-block-group-is-layout-flow\">\n\t\n\t<div class=\"wp-block-group aa-inner is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\n\t\t<div class=\"wp-block-group aa-next__head is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<p class=\"aa-section-num wp-block-paragraph\">Continuar<\/p>\n\t\t\t<h2 class=\"wp-block-heading\">Otros tipos<\/h2>\n\t\t<\/div>\n\t\t\n\t\t\n\t\t<div class=\"wp-block-group aa-next__grid is-layout-flow wp-block-group-is-layout-flow\">\n\t\t\t<div class=\"wp-block-group aa-next-card is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.amyloidosisalliance.org\/types-of-amyloidosis\/localised-amyloidosis\/\">Amiloidosis localizada<\/a><\/h3><p class=\"wp-block-paragraph\">Dep\u00f3sitos limitados a un solo lugar, con un pron\u00f3stico generalmente mucho mejor.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-next-card is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.amyloidosisalliance.org\/types-of-amyloidosis\/attrv-amyloidosis\/\">ATTRv<\/a><\/h3><p class=\"wp-block-paragraph\">La otra amiloidosis hereditaria, con mucho la m\u00e1s frecuente.<\/p><\/div>\n\t\t\t<div class=\"wp-block-group aa-next-card is-layout-flow wp-block-group-is-layout-flow\"><h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.amyloidosisalliance.org\/types-of-amyloidosis\/aa-amyloidosis\/\">Amiloidosis AA<\/a><\/h3><p class=\"wp-block-paragraph\">No hereditaria, pero es la otra amiloidosis en la que el ri\u00f1\u00f3n es el m\u00e1s afectado.<\/p><\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n\t\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Inicio\u203aAmiloidosis\u203aTipos de amiloidosis\u203aOtros tipos\u203aAmiloidosis raras Otros tipos Amiloidosis hereditarias raras M\u00e1s all\u00e1 de la transtiretina, un peque\u00f1o n\u00famero de otras prote\u00ednas hereditarias pueden plegarse de forma an\u00f3mala y formar amiloide. Estas formas son extremadamente raras, no tienen ning\u00fan rasgo cl\u00ednico propio y los ri\u00f1ones son los m\u00e1s afectados. Identificar con exactitud la prote\u00edna no es [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":2475,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2463","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Amiloidosis hereditarias raras: las otras formas hereditarias<\/title>\n<meta name=\"description\" content=\"M\u00e1s all\u00e1 de la transtiretina, algunas otras prote\u00ednas hereditarias pueden formar amiloide. Estas formas son extremadamente raras y los ri\u00f1ones son los m\u00e1s afectados. 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