{"id":103843,"date":"2021-10-21T00:00:00","date_gmt":"2021-10-21T00:00:00","guid":{"rendered":"https:\/\/docosan-blog.local\/blog\/uncategorized\/khang-the\/"},"modified":"2022-09-09T00:00:00","modified_gmt":"2022-09-09T00:00:00","slug":"khang-the","status":"publish","type":"post","link":"https:\/\/www.docosan.com\/blog\/kien-thuc-y-te\/khang-the\/","title":{"rendered":"Kh\u00e1ng th\u1ec3 l\u00e0 g\u00ec? Kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p class=\"has-gray-200-background-color has-background wp-block-paragraph\"><strong>Kh\u00e1ng th\u1ec3 l\u00e0 c\u00e1c protein ch\u1eef Y chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch. Ch\u00fang \u0111\u1ea3m nh\u1eadn vai tr\u00f2 li\u00ean k\u1ebft v\u1edbi c\u00e1c kh\u00e1ng nguy\u00ean, k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng b\u1ed5 th\u1ec3 v\u00e0 huy \u0111\u1ed9ng c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch nh\u1eb1m ti\u00eau di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n t\u1ea5n c\u00f4ng v\u00e0o c\u01a1 th\u1ec3 ch\u1ee7. H\u00e3y theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, <a href=\"https:\/\/www.docosan.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Docosan<\/a> s\u1ebd cho b\u1ea1n bi\u1ebft th\u00eam nhi\u1ec1u th\u00f4ng tin b\u1ed5 \u00edch kh\u00e1c.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u00e1ng th\u1ec3 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1ng th\u1ec3 l\u00e0 c\u00e1c protein ch\u1eef Y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c t\u1ebf b\u00e0o B ho\u1eb7c t\u1ebf b\u00e0o lympho B c\u1ee7a h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch. Ch\u00fang gi\u1eef nhi\u1ec7m v\u1ee5 x\u00e1c \u0111\u1ecbnh v\u00e0 v\u00f4 hi\u1ec7u qu\u00e1 c\u00e1c v\u1eadt l\u1ea1 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch chung.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2021\/10\/khang-the-3-1.jpg\" alt=\"Kh\u00e1ng th\u1ec3\" class=\"wp-image-32238\"\/><figcaption> Kh\u00e1ng th\u1ec3 l\u00e0 c\u00e1c protein h\u00ecnh ch\u1eef Y chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec c\u00f3 h\u00ecnh d\u1ea1ng nh\u01b0 m\u1ed9t ch\u1eef Y n\u00ean c\u00e1c kh\u00e1ng th\u1ec3 cho ph\u00e9p h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch \u0111i\u1ec1u ch\u1ec9nh ph\u1ea3n \u1ee9ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 m\u1ed1i \u0111e d\u1ecda nh\u1ea5t \u0111\u1ecbnh nh\u01b0 virus, vi khu\u1ea9n hay th\u1eadm ch\u00ed l\u00e0 t\u1ebf b\u00e0o ung th\u01b0. Nh\u1edd c\u00f3 c\u1ea5u t\u1ea1o \u0111\u1ed9c \u0111\u00e1o n\u00e0y \u0111\u00e3 cho ph\u00e9p ch\u00fang li\u00ean k\u1ebft \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c k\u00fd hi\u1ec7u h\u00f3a h\u1ecdc ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ed1i \u0111e d\u1ecda, t\u1eeb \u0111\u00f3 lo\u1ea1i b\u1ecf kh\u1ecfi h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u theo m\u1ed9t c\u00e1ch kh\u00e1c, virus, vi khu\u1ea9n hay c\u00e1c m\u1ea7m b\u1ec7nh kh\u00e1c (vi sinh v\u1eadt g\u00e2y b\u1ec7nh) \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 k\u1ebb x\u00e2m l\u01b0\u1ee3c (kh\u00e1ng nguy\u00ean). Kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch c\u1ee7a b\u1ea1n s\u1ebd li\u00ean k\u1ebft v\u1edbi m\u1ed9t kh\u00e1ng nguy\u00ean c\u1ee5 th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng ph\u00e2n t\u1eed ph\u00f9 h\u1ee3p v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 ti\u00eau di\u1ec7t ch\u00fang ho\u1eb7c g\u1eafn th\u1ebb \u0111\u1ec3 c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch kh\u00e1c nh\u1eadn ra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea3i tr\u1ea3i qua m\u1ed9t qu\u00e1 tr\u00ecnh r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 nhi\u1ec1u giai \u0111o\u1ea1n th\u00ec c\u00f3 th\u1ec3 m\u1edbi t\u1ea1o kh\u00e1ng th\u1ec3. Nh\u01b0ng ch\u1ee7 \u0111\u1ea3o nh\u1ea5t v\u1eabn c\u1ea7n tr\u1ea3i qua \u0111\u1ee7 3 giai \u0111o\u1ea1n sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#8211; Giai \u0111o\u1ea1n c\u00e2n b\u1eb1ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Giai \u0111o\u1ea1n c\u00e2n b\u1eb1ng v\u00e0 th\u1eddi gian c\u00e1c kh\u00e1ng nguy\u00ean c\u00e2n b\u1eb1ng gi\u1eefa m\u1ea1ch m\u00e1u v\u00e0 ngo\u00e0i m\u1ea1ch m\u00e1u th\u00f4ng qua vi\u1ec7c khuy\u1ebft t\u00e1n. Khi kh\u00e1ng nguy\u00ean d\u1eebng h\u1eb3n vi\u1ec7c khuy\u1ebft t\u00e1n th\u00ec giai \u0111o\u1ea1n n\u00e0y s\u1ebd ch\u1ea5m d\u1ee9t. Th\u00f4ng th\u01b0\u1eddng, qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra kh\u00e1 nhanh ch\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#8211; Giai \u0111o\u1ea1n chuy\u1ec3n h\u00f3a ph\u00e2n r\u00e3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede giai \u0111o\u1ea1n n\u00e0y, c\u00e1c enzym v\u00e0 t\u1ebf b\u00e0o c\u1ee7a c\u01a1 th\u1ec3 chuy\u1ec3n h\u00f3a kh\u00e1ng nguy\u00ean. Ph\u1ea7n l\u1edbn c\u00e1c kh\u00e1ng nguy\u00ean s\u1ebd b\u1ecb c\u00e1c \u0111\u1ea1i th\u1ef1c b\u00e0o v\u00e0 t\u1ebf b\u00e0o th\u1ef1c b\u00e0o kh\u00e1c b\u1eaft l\u1ea1i. Giai \u0111o\u1ea1n chuy\u1ec3n h\u00f3a ph\u00e2n r\u00e3 x\u1ea3y ra nhanh hay ch\u1eadm t\u00f9y v\u00e0o c\u00e1c ch\u1ea5t sinh mi\u1ec5n d\u1ecbch v\u00e0 c\u01a1 th\u1ec3 ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#8211; Giai \u0111o\u1ea1n lo\u1ea1i b\u1ecf mi\u1ec5n d\u1ecbch<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1ng th\u1ec3 v\u1eeba \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p s\u1ebd li\u00ean k\u1ebft v\u1edbi c\u00e1c kh\u00e1ng nguy\u00ean v\u00e0 t\u1ea1o th\u00e0nh li\u00ean k\u1ebft ph\u1ee9c h\u1ee3p kh\u00e1ng nguy\u00ean &#8211; kh\u00e1ng th\u1ec3. M\u1ed9t th\u1eddi gian ch\u00fang s\u1ebd b\u1ecb th\u1ef1c b\u00e0o v\u00e0 tho\u00e1i h\u00f3a. K\u1ebft qu\u1ea3 cu\u1ed1i c\u1ee7a giai \u0111o\u1ea1n n\u00e0y l\u00e0 kh\u00e1ng th\u1ec3 t\u1ed3n t\u1ea1i trong huy\u1ebft thanh v\u00e0 \u0111\u1ea3m nhi\u1ec7m \u0111\u00fang vai tr\u00f2 c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e2n lo\u1ea1i kh\u00e1ng th\u1ec3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ghi nh\u1eadn t\u1eeb nghi\u00ean c\u1ee9u khoa h\u1ecdc cho bi\u1ebft, c\u00f3 5 lo\u1ea1i kh\u00e1ng th\u1ec3 ch\u00ednh. M\u1ed7i lo\u1ea1i c\u00f3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ri\u00eang bi\u1ec7t c\u0169ng nh\u01b0 c\u00f3 m\u1ed9t v\u1ecb tr\u00ed li\u00ean k\u1ebft ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t kh\u00e1ng nguy\u00ean c\u1ee5 th\u1ec3 \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 ch\u1ed1ng l\u1ea1i b\u1ec7nh t\u1eadt:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2021\/10\/khang-the-2.jpg\" alt=\"Kh\u00e1ng th\u1ec3\" class=\"wp-image-32239\"\/><figcaption> C\u00f3 5 lo\u1ea1i kh\u00e1ng th\u1ec3 ch\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi nghi\u00ean c\u1ee9u ghi nh\u00e2n<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Immunoglobulin G (IgG)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Immunoglobulin G (IgG) chi\u1ebfm kho\u1ea3ng 75% t\u1ed5ng c\u00e1c kh\u00e1ng th\u1ec3 trong c\u01a1 th\u1ec3 ch\u1ee7. T\u00f9y thu\u1ed9c v\u00e0o kh\u00e1ng nguy\u00ean c\u1ee5 th\u1ec3, IgG c\u00f3 th\u1ec3 g\u1eafn th\u1ebb m\u1ea7m b\u1ec7nh \u0111\u1ec3 c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch v\u00e0 protein kh\u00e1c nh\u1eadn ra n\u00f3 ho\u1eb7c t\u1ef1 n\u00f3 th\u00fac \u0111\u1ea9y vi\u1ec7c gi\u1ea3i ph\u00f3ng \u0111\u1ec3 ti\u00eau di\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p hi\u1ebfm g\u1eb7p, IgG c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng kh\u00f4ng mong mu\u1ed1n \u1edf \u0111\u1ed1i t\u01b0\u1ee3ng m\u1eafc b\u1ec7nh t\u1ef1 mi\u1ec5n d\u1ecbch. Trong khi \u0111\u00f3, h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch v\u00f4 t\u00ecnh t\u1ea5n c\u00f4ng c\u00e1c t\u1ebf b\u00e0o v\u00e0 m\u00f4 c\u1ee7a ch\u00ednh n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Immunoglobulin A (IgA)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Immunoglobulin A (IgA) l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i kh\u00e1ng th\u1ec3 \u0111\u1ea7u ti\u00ean c\u1ee7a c\u01a1 th\u1ec3 ch\u1ed1ng l\u1ea1i nhi\u1ec5m tr\u00f9ng. Chi\u1ebfm kho\u1ea3ng 15% t\u1ed5ng c\u00e1c kh\u00e1ng th\u1ec3 trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi. N\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00e1c t\u1ebf b\u00e0o B, \u0111\u01b0\u1ee3c ti\u1ebft ra t\u1eeb l\u1edbp \u0111\u1eadm v\u00e0 m\u1ed9t l\u1edbp m\u1ecfng trong c\u00e1c m\u00f4 ni\u00eam m\u1ea1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi, Immunoglobulin A (IgA) \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y ch\u1ee7 y\u1ebfu \u1edf trong c\u00e1c m\u00f4 ni\u00eam m\u1ea1c. Ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e2m \u0111\u1ea1o, ru\u1ed9t, mi\u1ec7ng v\u00e0 c\u1ea3 trong tuy\u1ebfn n\u01b0\u1edbc b\u1ecdt, n\u01b0\u1edbc m\u1eaft, s\u1eefa m\u1eb9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh \u0111\u00f3, IgA c\u00f2n c\u00f3 li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng qu\u00e1 m\u1eabn c\u1ea3m \u1edf b\u1ec7nh nh\u00e2n b\u1ecb Celiac v\u00e0 m\u1ed9t s\u1ed1 r\u1ed1i lo\u1ea1n t\u1ef1 mi\u1ec5n d\u1ecbch kh\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Immunoglobulin M (IgM)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0 m\u1ed9t trong nh\u1eefng kh\u00e1ng th\u1ec3 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch thu nh\u1eadn \u0111\u1ec3 ch\u1ed1ng l\u1ea1i t\u00ecnh tr\u1ea1ng nhi\u1ec5m tr\u00f9ng. Immunoglobulin M (IgM) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00e1c t\u1ebf b\u00e0o B v\u00e0 li\u00ean k\u1ebft v\u1edbi m\u1ea7m b\u1ec7nh. \u0110\u1ed3ng th\u1eddi th\u00fac \u0111\u1ea9y c\u00e1c kh\u00e1ng th\u1ec3 v\u00e0 t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch kh\u00e1c ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u01a1 th\u1ec3 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t sinh v\u1eadt l\u00e2y nhi\u1ec5m, c\u00e1c qu\u1ea7n th\u1ec3 IgM t\u0103ng r\u1ea5t nhanh. Sau \u0111\u00f3 gi\u1ea3m m\u1ea1nh khi c\u00e1c kh\u00e1ng th\u1ec3 IgG ti\u1ebfp qu\u1ea3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh vi\u1ec7c k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch, m\u1ed9t t\u1eadp h\u1ee3p con c\u1ee7a IgM gi\u00fap t\u1ebf b\u00e0o B ghi nh\u1edb c\u00e1c t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh v\u00e0 v\u1ec1 sau s\u1ebd t\u1ef1 \u0111\u1ed9ng ti\u00eau h\u1ee7y t\u00e1c nh\u00e2n \u0111\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a, n\u1ebfu c\u01a1 th\u1ec3 b\u1ecb t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh x\u00e2m nh\u1eadp l\u1ea7n \u0111\u1ea7u th\u00ec h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch s\u1ebd ph\u1ea3n \u1ee9ng v\u00e0 ti\u00eau di\u1ec7t t\u00e1c nh\u00e2n \u0111\u00f3 nhanh h\u01a1n v\u00e0o nh\u1eefng l\u1ea7n sau do t\u1ebf b\u00e0o B \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Immunoglobulin E (IgE)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Immunoglobulin E l\u00e0 kh\u00e1ng th\u1ec3 ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 ph\u1ea3n \u1ee9ng d\u1ecb \u1ee9ng. Ch\u00fang \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00e1c t\u1ebf b\u00e0o B \u0111\u01b0\u1ee3c ti\u1ebft ra b\u1edfi h\u1ea1ch b\u1ea1ch huy\u1ebft ho\u1eb7c c\u00e1c m\u00f4 b\u1ea1ch huy\u1ebft n\u1eb1m g\u1ea7n v\u1ecb tr\u00ed c\u1ee7a ch\u1ea5t g\u00e2y d\u1ecb \u1ee9ng (m\u1ed9t ch\u1ea5t v\u00f4 l\u1ea1i g\u00e2y ra ph\u1ea3n \u1ee9ng d\u1ecb \u1ee9ng). Lo\u1ea1i kh\u00e1ng nguy\u00ean n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf trong m\u00e0n ni\u00eam m\u1ea1c, da v\u00e0 ph\u1ed5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi IgE li\u00ean k\u1ebft v\u1edbi ch\u1ea5t g\u00e2y d\u1ecb \u1ee9ng s\u1ebd g\u00e2y ra h\u00e0ng lo\u1ea1t ph\u1ea3n \u1ee9ng v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 gi\u1ea3i ph\u00f3ng histamin. Ch\u00ednh histamin l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra c\u00e1c tri\u1ec7u ch\u1ee9ng d\u1ecb \u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Immunoglobulin D (IgD)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1ng nguy\u00ean Immunoglobulin D \u0111\u00f3ng vai tr\u00f2 h\u1ebft s\u1ee9c quan tr\u1ecdng trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch m\u1eb7c d\u00f9 ch\u00fang ch\u1ec9 chi\u1ebfm kho\u1ea3ng 0,25% t\u1ed5ng kh\u00e1ng th\u1ec3 trong c\u01a1 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c kh\u00e1ng th\u1ec3 kh\u00e1c, IgD kh\u00f4ng th\u00edch c\u1ef1c l\u01b0u th\u00f4ng m\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 li\u00ean k\u1ebft v\u1edbi t\u1ebf b\u00e0o V \u0111\u1ec3 k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch. Song, m\u1ed9t kh\u00e1ng th\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u, IgD s\u1ebd k\u00edch th\u00edch gi\u1ea3i ph\u00f3ng IgM \u0111\u1ec3 ch\u1ed1ng c\u1ef1 l\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a kh\u00e1ng th\u1ec3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch c\u1ee7a c\u01a1 th\u1ec3 ch\u1ee7, kh\u00e1ng th\u1ec3 \u0111\u1ea3m nhi\u1ec7m 3 vai tr\u00f2 ch\u00ednh sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u00ean k\u1ebft v\u1edbi kh\u00e1ng nguy\u00ean<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd c\u00e1c v\u00f9ng bi\u1ebfn \u0111\u1ed5i m\u00e0 c\u00e1c globulin mi\u1ec5n d\u1ecbch c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n kh\u00e1ng nguy\u00ean t\u01b0\u01a1ng \u1ee9ng v\u00e0 g\u1eafn th\u1ebb m\u1ed9t c\u00e1ch \u0111\u1eb7c hi\u1ec7u. N\u1ebfu m\u1ed9t lo\u1ea1i virus hay vi khu\u1ea9n g\u00e2y b\u1ec7nh t\u1ea5n c\u00f4ng v\u00e0o c\u01a1 th\u1ec3&nbsp; th\u00ec vi khu\u1ea9n s\u1ebd s\u1eed d\u1ee5ng c\u00e1c ph\u00e2n t\u1eed b\u00e1m d\u00ednh l\u00e0 c\u00e1c adhesive trong khi \u0111\u00f3 virus s\u1eed d\u1ee5ng c\u00e1c protein c\u1ed1 \u0111\u1ecbnh tr\u00ean l\u1edbp v\u1ecf ngo\u00e0i. L\u00fac n\u00e0y, c\u00e1c kh\u00e1ng th\u1ec3 kh\u00e1ng c\u00e1c ph\u00e2n t\u1eed b\u00e1m d\u00ednh adhesive v\u00e0 protein capside nh\u1eb1m ng\u0103n ch\u1eb7n ch\u00fang t\u1ea5n c\u00f4ng v\u00e0o t\u1ebf b\u00e0o \u0111\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng b\u1ed5 th\u1ec3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch ho\u1ea1t h\u00f3a d\u00f2ng th\u00e1c b\u1ed5 th\u1ec3 l\u00e0 m\u1ed9t trong nh\u1eefng vai tr\u00f2 ch\u1ee7 \u0111\u1ea1o c\u1ee7a kh\u00e1ng th\u1ec3 nh\u1eb1m b\u1ea3o v\u1ec7 c\u01a1 th\u1ec3 kh\u1ecfi c\u00e1c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed5 th\u1ec3 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c protein huy\u1ebft t\u01b0\u01a1ng khi \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng ti\u00eau di\u1ec7t c\u00e1c m\u1ea7m b\u1ec7nh (ch\u1ee7 y\u1ebfu l\u00e0 vi khu\u1ea9n) t\u1ea5n c\u00f4ng b\u1eb1ng c\u00e1ch \u0111\u1ee5c l\u1ed7 tr\u00ean vi khu\u1ea9n, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho hi\u1ec7n t\u01b0\u1ee3ng th\u1ef1c b\u00e0o, thanh th\u1ea3i c\u00e1c ph\u1ee9c h\u1ee3p mi\u1ec5n d\u1ecbch v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 ph\u00f3ng th\u00edch c\u00e1c ph\u00e2n t\u1eed h\u00f3a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Huy \u0111\u1ed9ng c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1ng th\u1ec3 s\u1ebd li\u00ean k\u1ebft v\u1edbi c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch sau khi \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o kh\u00e1ng nguy\u00ean \u1edf \u0111\u1ea7u bi\u1ebfn \u0111\u1ed5i. Nh\u1edd \u0111\u00f3, c\u00e1c kh\u00e1ng th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng g\u1eafn v\u1edbi m\u1ed9t vi khu\u1ea9n v\u1edbi m\u1ed9t \u0111\u1ea1i th\u1ef1c b\u00e0o v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng th\u1ef1c b\u00e0o \u0111\u01b0\u1ee3c th\u1ef1c b\u00e0o. C\u00e1c t\u1ebf b\u00e0o lympho ti\u00eau di\u1ec7t t\u1ef1 nhi\u00ean c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng \u0111\u1ed9c t\u1ebf b\u00e0o v\u00e0 ly gi\u1ea3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ki\u1ec3m tra kh\u00e1ng th\u1ec3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean c\u1ea5u tr\u00fac ch\u1eef Y \u0111\u1ed9c \u0111\u00e1o c\u1ee7a kh\u00e1ng th\u1ec3 n\u00ean \u0111\u01b0\u1ee3c gi\u1edbi y h\u1ecdc hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh l\u00fd th\u00f4ng qua vi\u1ec7c x\u00e9t nghi\u1ec7m. C\u00e1c x\u00e9t nghi\u1ec7m kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c&nbsp;s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00e1ng th\u1ec3 \u0111\u1eb7c hi\u1ec7u trong m\u1ed9t m\u1eabu m\u00e1u t\u1eeb c\u01a1 th\u1ec3 ch\u1ee7.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2021\/10\/khang-the-4-1.jpg\" alt=\"Kh\u00e1ng th\u1ec3\" class=\"wp-image-32240\"\/><figcaption> V\u00ec c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o, c\u00e1c kh\u00e1ng th\u1ec3 \u0111\u01b0\u1ee3c gi\u1edbi y h\u1ecdc t\u1eadn d\u1ee5ng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 lo\u1ea1i b\u1ec7nh truy\u1ec1n nhi\u1ec5m v\u00e0 t\u1ef1 mi\u1ec5n d\u1ecbch \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh x\u00e9t nghi\u1ec7m kh\u00e1ng th\u1ec3 \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Covid-19<\/li><li>B\u1ec7nh Celiac<\/li><li>B\u1ea1ch h\u1ea7u<\/li><li>HIV<\/li><li>H. pylori<\/li><li>B\u1ec7nh c\u00fam<\/li><li>B\u1ec7nh lyme<\/li><li>Quai b\u1ecb<\/li><li>Ho g\u00e0<\/li><li>B\u1ec7nh b\u1ea1i li\u1ec7t<\/li><li>B\u1ec7nh suy gi\u1ea3m mi\u1ec5n d\u1ecbch nguy\u00ean ph\u00e1t<\/li><li>Rubella<\/li><li>Vi\u00eam gan si\u00eau vi<\/li><li>U\u1ed1n v\u00e1n v\u00e0 nhi\u1ec1u b\u1ec7nh l\u00fd kh\u00e1c<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c x\u00e9t nghi\u1ec7m kh\u00e1ng th\u1ec3 kh\u00f4ng ph\u00e1t hi\u1ec7n ra c\u00e1c m\u1ea7m b\u1ec7nh th\u1ef1c s\u1ef1 g\u00e2y ra nhi\u1ec5m tr\u00f9ng m\u00e0 ch\u00fang ch\u1ec9 ph\u00e1t hi\u1ec7n kh\u00e1ng th\u1ec3 t\u1ea1o ra \u0111\u00e1p \u1ee9ng v\u1edbi nhi\u1ec5m tr\u00f9ng. N\u1ebfu k\u1ebft qu\u1ea3 l\u00e0 \u00e2m t\u00ednh (-) th\u00ec \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c kh\u00f4ng c\u00f3 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a kh\u00e1ng th\u1ec3 \u0111\u00f3. Ng\u01b0\u1ee3c l\u1ea1i, k\u1ebft qu\u1ea3 l\u00e0 d\u01b0\u01a1ng t\u00ednh (+), x\u00e9t nghi\u1ec7m \u0111\u00e3 ph\u00e1t hi\u1ec7n ra kh\u00e1ng th\u1ec3 ho\u1eb7c kh\u00e1ng nguy\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f9y thu\u1ed9c v\u00e0o b\u1ec7nh l\u00fd c\u1ee5 th\u1ec3 m\u00e0 th\u1eddi gian \u0111\u1ec3 s\u1ea3n xu\u1ea5t kh\u00e1ng th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c. N\u1ebfu th\u1ef1c hi\u1ec7n qu\u00e1 s\u1edbm, x\u00e9t nghi\u1ec7m c\u00f3 th\u1ec3 cho ra \u00e2m t\u00ednh gi\u1ea3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qua c\u00e1c th\u00f4ng tin \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt trong b\u00e0i vi\u1ebft c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecdc hi\u1ec3u h\u01a1n c\u00e1c v\u1ea5n \u0111\u1ec1 xoay quanh kh\u00e1ng th\u1ec3. Hi\u1ec7n nay, gi\u1edbi y h\u1ecdc hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 v\u00e0 \u0111ang \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng vi\u1ec7c x\u00e9t nghi\u1ec7m kh\u00e1ng th\u1ec3 \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh l\u00fd.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><em>B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c tham kh\u1ea3o t\u1eeb c\u00e1c ngu\u1ed3n t\u01b0 li\u1ec7u \u0111\u00e1ng tin c\u1eady trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc c\u00f9ng tham v\u1ea5n y khoa t\u1eeb B\u00e1c s\u0129 Tr\u1ea7n B\u1ea3o Ng\u1ecdc. B\u00e0i vi\u1ebft mang t\u00ednh ch\u1ea5t tham kh\u1ea3o v\u00e0 Docosan khuy\u1ebfn kh\u00edch b\u1ec7nh nh\u00e2n h\u00e3y t\u00ecm v\u00e0 \u0111\u1eb7t l\u1ecbch h\u1eb9n v\u1edbi b\u00e1c s\u0129 c\u00f3 chuy\u00ean m\u00f4n \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb.<\/em><\/p>\n\n\n\n\n\n<ul class=\"wp-block-list\"><li>W<a href=\"https:\/\/www.healthline.com\/health\/infection\/antigen-vs-antibody#antigen\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">hat\u2019s the Difference Between Antigens and Antibodies?<\/a> &#8211; healthline.com<\/li><li><a href=\"https:\/\/www.verywellhealth.com\/antibody-isotypes-3132614\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">What Are the 5 Types of Antibodies?<\/a> &#8211; verywellhealth.com<\/li><\/ul>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1ng th\u1ec3 l\u00e0 c\u00e1c protein ch\u1eef Y chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch. Ch\u00fang \u0111\u1ea3m nh\u1eadn vai tr\u00f2 li\u00ean k\u1ebft v\u1edbi c\u00e1c kh\u00e1ng nguy\u00ean, k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng b\u1ed5 th\u1ec3 v\u00e0 huy \u0111\u1ed9ng c\u00e1c t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch nh\u1eb1m ti\u00eau di\u1ec7t c\u00e1c t\u00e1c nh\u00e2n t\u1ea5n c\u00f4ng v\u00e0o c\u01a1 th\u1ec3 ch\u1ee7. H\u00e3y [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":90175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[13],"tags":[],"class_list":["post-103843","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-y-te"],"acf":[],"featured_image_src":"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2021\/10\/khang-the-1-600x400.jpg","featured_image_src_square":"https:\/\/www.docosan.com\/blog\/wp-content\/uploads\/2021\/10\/khang-the-1-600x533.jpg","author_info":{"display_name":"T\u00e0i N\u1eef Linh H\u1ea3o","author_link":"https:\/\/www.docosan.com\/blog\/author\/hao-tai\/"},"_links":{"self":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts\/103843","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/comments?post=103843"}],"version-history":[{"count":0,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/posts\/103843\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/media\/90175"}],"wp:attachment":[{"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/media?parent=103843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/categories?post=103843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.docosan.com\/blog\/wp-json\/wp\/v2\/tags?post=103843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}