{"id":4414,"date":"2020-12-08T13:31:43","date_gmt":"2020-12-08T12:31:43","guid":{"rendered":"https:\/\/centroandaluzalfa1.org\/?p=4414"},"modified":"2021-01-20T19:22:08","modified_gmt":"2021-01-20T18:22:08","slug":"alpha-1-deficiency-as-a-hereditary-disease","status":"publish","type":"post","link":"https:\/\/centroandaluzalfa1.org\/en\/alpha-1-deficiency-as-a-hereditary-disease\/","title":{"rendered":"Alpha 1 deficiency as a hereditary disease"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4414\" class=\"elementor elementor-4414\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b9a2f23 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b9a2f23\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9d152b0\" data-id=\"9d152b0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fc811e elementor-widget elementor-widget-heading\" data-id=\"9fc811e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Alpha-1 antitrypsin deficiency is a rare inherited disease<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fedb20c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fedb20c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-4f86f28\" data-id=\"4f86f28\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f65c557 elementor-widget elementor-widget-text-editor\" data-id=\"f65c557\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>The AAT gene consists of two alleles, which are passed from parent to child by simple, autosomal, and codominant Mendelian inheritance.<\/b><\/p><p>Each child receives an allele from each of its parents. Normal alleles, present in 85-90% of individuals, are called M, and therefore a normal individual receives two M alleles (one from each parent), which form an MM genotype.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-da0154d\" data-id=\"da0154d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3246e68 elementor-widget elementor-widget-image\" data-id=\"3246e68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"657\" height=\"469\" src=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/06\/ni\u00f1os.png\" class=\"attachment-large size-large wp-image-4131\" alt=\"\" srcset=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/06\/ni\u00f1os.png 657w, https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/06\/ni\u00f1os-300x214.png 300w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b1923a1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b1923a1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fd14d79\" data-id=\"fd14d79\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3158cd1 elementor-widget elementor-widget-heading\" data-id=\"3158cd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Alleles<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6003d9 elementor-widget elementor-widget-text-editor\" data-id=\"b6003d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>The most frequent deficient alleles are called S and Z, and are found in 10% and 2% of the Spanish population, respectively. Alleles M, S, and Z respectively express about 100%, 40%, and 15% AAT.<\/b><\/p><p>In accordance with the foregoing, the vast majority of phenotypes found in practice are combinations of M, S and Z, that is: MM (normal genotype, exhibited by around 85% of Spaniards of Caucasian race), MS, SS, MZ, SZ and ZZ (5 deficient genotypes, found in the remaining 15% of Spaniards).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5792b3e elementor-widget elementor-widget-heading\" data-id=\"5792b3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The human genotype<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b291020 elementor-widget elementor-widget-text-editor\" data-id=\"b291020\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>MM genotypes express 100% AAT in blood, while MS, SS, MZ, SZ and ZZ express (roughly) 80%, 60%, 55%, 40% and 15%, respectively.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a244fb elementor-widget elementor-widget-heading\" data-id=\"0a244fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Characteristics of Alpha-1 Antitrypsin<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89a314a elementor-widget elementor-widget-heading\" data-id=\"89a314a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><i>What is?<\/i><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0bb0db7 elementor-widget elementor-widget-text-editor\" data-id=\"0bb0db7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"MsoNormal\" style=\"margin-bottom: 0cm; line-height: normal; mso-layout-grid-align: none; text-autospace: none;\">LAAT is a multifunctional protein, with multiple protease inhibitory properties and non-inhibitory qualities, which provide the human body with remarkable anti-inflammatory, immunomodulatory, anti-microbial and tissue repair capabilities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81247fc elementor-widget elementor-widget-image\" data-id=\"81247fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"698\" height=\"632\" src=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/alfa1-antitripsina.png\" class=\"attachment-large size-large wp-image-4407\" alt=\"\" srcset=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/alfa1-antitripsina.png 698w, https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/alfa1-antitripsina-300x272.png 300w\" sizes=\"(max-width: 698px) 100vw, 698px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aae3480 elementor-widget elementor-widget-heading\" data-id=\"aae3480\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><i>Severity<\/i><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-967683a elementor-widget elementor-widget-text-editor\" data-id=\"967683a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Severe AAT deficiency, defined by serum AAT levels below 35% of the expected mean value, or 60 mg \/ dL (measured by nephelometry), or 80 mg \/ dL (if the measurement is made by radial immunodiffusion, a technique in disuse) is an infrequent condition, generally related to ZZ genotypes, and much less frequently with various combinations of Z, S, rare and null alleles.<\/p><p><b>In fact, in clinical practice, 96% of the pathologies associated with AAT deficiency occur in homozygous ZZ, and the remaining 4% in heterozygous SZ, MZ and in the extremely infrequent rare and null genotypes.<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d11f142 elementor-widget elementor-widget-heading\" data-id=\"d11f142\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Assumptions of transmission of the AAT gene<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5adf1d elementor-widget elementor-widget-text-editor\" data-id=\"b5adf1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>Assumption 1:<\/h5><p>Both parents have MM genotypes; consequently, all their descendants inherit MM genotypes.<\/p><h5><span style=\"background-color: #ffffff;\">Assumption<\/span>\u00a02:<\/h5><p>Both parents are MZ; in this case, the offspring have a 25% chance of receiving an MM genotype, a 50% chance of inheriting an MZ, and a 25% chance of receiving a ZZ genotype.<\/p><h5><span style=\"background-color: #ffffff;\">Assumption<\/span>\u00a03:<\/h5><p>One parent is MZ and the other is MS; children can receive a MM (25%), MS (25%), MZ (25%), or SZ (25%) genotype.<\/p><h5><span style=\"background-color: #ffffff;\">Assumption<\/span>\u00a04:<\/h5><p>One parent is a carrier of an MZ genotype and the other of an SZ; children can inherit MS (25%), MZ (25%), SZ (25%), or ZZ (25%) genotypes.Both parents have MM genotypes; consequently, all their descendants inherit MM genotypes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e48f992 elementor-widget elementor-widget-image\" data-id=\"e48f992\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"482\" height=\"317\" src=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/gen.png\" class=\"attachment-large size-large wp-image-4409\" alt=\"\" srcset=\"https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/gen.png 482w, https:\/\/centroandaluzalfa1.org\/wp-content\/uploads\/2020\/12\/gen-300x197.png 300w\" sizes=\"(max-width: 482px) 100vw, 482px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c20671f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c20671f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87759e2\" data-id=\"87759e2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f69c036 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f69c036\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/centroandaluzalfa1.org\/noticias\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Read more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Alpha-1 antitrypsin deficiency is a rare inherited disease The AAT gene consists of two alleles, which are passed from parent to child by simple, autosomal, and codominant Mendelian inheritance. Each child receives an allele from each of its parents. Normal alleles, present in 85-90% of individuals, are called M, and therefore a normal individual receives [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2898,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[62],"tags":[],"class_list":["post-4414","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-others"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alpha 1 deficiency as a hereditary disease - Centro Andaluz Alfa-1<\/title>\n<meta name=\"description\" content=\"The AAT gene consists of two alleles, which are passed from parent to child by inheritance. Each child receives an allele from each of its parents. Normal alleles, present in 85-90% of individuals, are called M, and therefore a normal individual receives two M alleles (one from each parent), which form an MM genotype.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/centroandaluzalfa1.org\/en\/alpha-1-deficiency-as-a-hereditary-disease\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alpha 1 deficiency as a hereditary disease - Centro Andaluz Alfa-1\" \/>\n<meta property=\"og:description\" content=\"The AAT gene consists of two alleles, which are passed from parent to child by inheritance. Each child receives an allele from each of its parents. 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