{"id":4400,"date":"2024-02-25T08:51:10","date_gmt":"2024-02-25T08:51:10","guid":{"rendered":"http:\/\/biogroupvietnam-worldpress.local\/service\/frequently-asked-questions-about-performing-a-cell-cluster-culture-cfu-assay\/"},"modified":"2025-09-29T13:07:33","modified_gmt":"2025-09-29T06:07:33","slug":"cac-cau-hoi-thuong-gap-ve-viec-thuc-hien-nuoi-cay-cum-te-bao-cfu-assay","status":"publish","type":"service","link":"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/cac-cau-hoi-thuong-gap-ve-viec-thuc-hien-nuoi-cay-cum-te-bao-cfu-assay\/","title":{"rendered":"C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 vi\u1ec7c th\u1ef1c hi\u1ec7n nu\u00f4i c\u1ea5y c\u1ee5m t\u1ebf b\u00e0o (CFU Assay)"},"content":{"rendered":"<p style=\"text-align:justify\">Nu\u00f4i c\u1ea5y c\u1ee5m t\u1ebf b\u00e0o (CFU) in vitro \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ee9c n\u0103ng c\u1ee7a t\u1ebf b\u00e0o g\u1ed1c, t\u1ebf b\u00e0o ti\u1ec1n th\u00e2n t\u1ea1o m\u00e1u (HSPC) v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 t\u01b0\u01a1ng quan t\u1ed1t v\u1edbi c\u00e1c m\u00f4 h\u00ecnh nu\u00f4i c\u1ea5y in vivo. T\u1ea1i \u0111\u00e2y, Ti\u1ebfn s\u0129 Jackie Damen (C\u1ed1 v\u1ea5n Khoa h\u1ecdc C\u1ea5p cao, STEMCELL Technologies) tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ) v\u1ec1 vi\u1ec7c th\u1ef1c hi\u1ec7n nu\u00f4i c\u1ea5y CFU t\u1ebf b\u00e0o g\u1ed1c t\u1ea1o m\u00e1u.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/cac-cau-hoi-thuong-gap-ve-viec-thuc-hien-nuoi-cay-cum-te-bao-cfu-assay\/#Chuan_bi_moi_truong\" >Chu\u1ea9n b\u1ecb m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/cac-cau-hoi-thuong-gap-ve-viec-thuc-hien-nuoi-cay-cum-te-bao-cfu-assay\/#Thiet_lap_va_nuoi_cay\" >Thi\u1ebft l\u1eadp v\u00e0 nu\u00f4i c\u1ea5y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/biogroupvietnam.com\/vi\/dich-vu\/cac-cau-hoi-thuong-gap-ve-viec-thuc-hien-nuoi-cay-cum-te-bao-cfu-assay\/#Xac_dinh_va_liet_ke_cac_cum_te_bao\" >X\u00e1c \u0111\u1ecbnh v\u00e0 li\u1ec7t k\u00ea c\u00e1c c\u1ee5m t\u1ebf b\u00e0o<\/a><\/li><\/ul><\/nav><\/div>\n<h2 style=\"text-align:justify\"><span class=\"ez-toc-section\" id=\"Chuan_bi_moi_truong\"><\/span><strong>Chu\u1ea9n b\u1ecb m\u00f4i tr\u01b0\u1eddng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align:justify\"><strong>T\u00f4i n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 n\u00e0o?<\/strong><\/p>\n<p style=\"text-align:justify\">D\u00f2ng s\u1ea3n ph\u1ea9m MethoCult\u2122 bao g\u1ed3m n\u1ec1n m\u00f4i tr\u01b0\u1eddng methylcellulose v\u00e0 c\u00e1c ch\u1ea5t b\u1ed5 sung v\u1edbi huy\u1ebft thanh v\u00e0 cytokine ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u1ee5m t\u1ebf b\u00e0o t\u1eeb t\u1ebf b\u00e0o g\u1ed1c t\u1ea1o m\u00e1u c\u1ee7a ng\u01b0\u1eddi ho\u1eb7c chu\u1ed9t. MethoCult \u2122 H4034 Optimum l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c t\u1ebf b\u00e0o nguy\u00ean s\u01a1 t\u1ee7y v\u00e0 h\u1ed3ng c\u1ea7u t\u1eeb t\u1ee7y x\u01b0\u01a1ng ng\u01b0\u1eddi (BM), m\u00e1u cu\u1ed1ng r\u1ed1n (CB) v\u00e0 t\u1ebf b\u00e0o \u0111\u01a1n nh\u00e2n m\u00e1u ngo\u1ea1i vi (PBMNCs). STEMCELL Technologies c\u0169ng cung c\u1ea5p c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00f4ng ch\u1ee9a huy\u1ebft thanh v\u00e0 c\u00e1c phi\u00ean b\u1ea3n kh\u00f4ng ch\u1ee9a cytokine, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao n\u00ean r\u00e3 \u0111\u00f4ng m\u00f4i tr\u01b0\u1eddng n\u1ec1n metylcellulose c\u1ee7a MethoCult \u2122 \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng ho\u1eb7c trong t\u1ee7 l\u1ea1nh thay v\u00ec \u1edf 37\u00b0C?<\/strong><\/p>\n<p style=\"text-align:justify\">MethoCult\u2122 n\u00ean \u0111\u01b0\u1ee3c r\u00e3 \u0111\u00f4ng \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00ec methylcellulose trong c\u00e1c s\u1ea3n ph\u1ea9m MethoCult\u2122 \u0111\u00f4ng l\u1ea1nh kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n \u201cv\u00f3n c\u1ee5c\u201d nh\u1ecf n\u1ebfu s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c r\u00e3 \u0111\u00f4ng nhanh \u1edf 37\u00b0C.<\/p>\n<p style=\"text-align:justify\">N\u1ebfu s\u1ea3n ph\u1ea9m v\u00f4 t\u00ecnh b\u1ecb r\u00e3 \u0111\u00f4ng \u1edf 37\u00b0C, h\u00e3y \u0111\u1eb7t chai MethoCult\u2122 tr\u00ean \u0111\u00e1 trong 1 &#8211; 2 gi\u1edd ho\u1eb7c trong t\u1ee7 l\u1ea1nh trong 2 &#8211; 3 gi\u1edd (c\u00e1c \u201cv\u00f3n c\u1ee5c\u201d s\u1ebd kh\u00f4ng tan \u1edf 37\u00b0C). L\u1eafc m\u1ea1nh chai trong 1 &#8211; 2 ph\u00fat tr\u01b0\u1edbc khi pha m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p style=\"text-align:justify\"><strong>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u00f4i tr\u01b0\u1eddng n\u1ec1n Metylcellulose c\u1ee7a MethoCult \u2122 khi s\u1eed d\u1ee5ng?<\/strong><\/p>\n<p style=\"text-align:justify\">N\u1ed3ng \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc polyme c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nh\u1edbt c\u1ee7a MethoCult \u2122. \u0110\u1ed1i v\u1edbi nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o, \u0111\u1ed9 nh\u1edbt c\u1ea7n \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 kh\u00f4ng h\u1ea1n ch\u1ebf chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a t\u1ebf b\u00e0o trong qu\u00e1 tr\u00ecnh ph\u00e2n chia t\u1ebf b\u00e0o. Do \u0111\u00f3, tr\u01b0\u1edbc khi l\u1ea5y MethoCult \u2122 t\u1eeb chai 100 ml, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tr\u1ed9n \u0111\u1ec1u chai sau khi r\u00e3 \u0111\u00f4ng.<\/p>\n<p style=\"text-align:justify\">H\u1ed7n h\u1ee3p dung d\u1ecbch t\u1ebf b\u00e0o \u0111\u1eadm \u0111\u1eb7c 10x \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ec3 th\u00eam v\u00e0o c\u00e1c ph\u1ea7n nh\u1ecf c\u1ee7a m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 \u0111\u1ec3 nu\u00f4i c\u1ea5y. Th\u00eam qu\u00e1 nhi\u1ec1u th\u1ec3 t\u00edch t\u1ebf b\u00e0o v\u00e0o MethoCult \u2122 c\u00f3 th\u1ec3 l\u00e0m lo\u00e3ng m\u00f4i tr\u01b0\u1eddng ban \u0111\u1ea7u.<\/p>\n<p style=\"text-align:justify\"><strong>M\u00f4i tr\u01b0\u1eddng MethoCult\u2122 c\u1ee7a t\u00f4i xu\u1ea5t hi\u1ec7n m\u00e0u v\u00e0ng ho\u1eb7c t\u00edm sau khi r\u00e3 \u0111\u00f4ng. T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 c\u00f3 m\u00e0u v\u00e0ng ho\u1eb7c t\u00edm sau khi r\u00e3 \u0111\u00f4ng. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng \u0111\u1ed9 pH c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 b\u1ecb thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n ho\u1eb7c b\u1ea3o qu\u1ea3n nh\u01b0ng hi\u1ec7u su\u1ea5t kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng, mi\u1ec5n l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u1edf ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 khuy\u1ebfn ngh\u1ecb t\u1eeb -25 \u00b0 C \u0111\u1ebfn -15 \u00b0 C v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u01b0\u1edbc ng\u00e0y h\u1ebft h\u1ea1n ghi tr\u00ean nh\u00e3n. R\u00e3 \u0111\u00f4ng chai v\u00e0 l\u00e0m theo quy tr\u00ecnh \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 thi\u1ebft l\u1eadp x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU. \u0110\u1ed9 pH s\u1ebd t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh khi c\u00e1c m\u1eabu c\u1ea5y \u0111\u01b0\u1ee3c \u1ee7 trong \u0111i\u1ec1u ki\u1ec7n 5% CO2.<\/p>\n<p style=\"text-align:justify\"><strong>C\u00f3 c\u1ea7n thi\u1ebft ph\u1ea3i th\u00eam kh\u00e1ng sinh v\u00e0o m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">Kh\u00f4ng. Trong kh\u00ed \u0111\u00f3 ch\u00fang ta ph\u1ea3i \u0111\u1ea3m b\u1ea3o k\u1ef9 thu\u1eadt v\u00f4 tr\u00f9ng trong su\u1ed1t qu\u00e1 th\u1ef1c hi\u1ec7n nu\u00f4i c\u1ea5y. Tuy nhi\u00ean, n\u1ebfu mu\u1ed1n thu\u1ed1c kh\u00e1ng sinh (Penicillin\/Streptomycin) ho\u1eb7c thu\u1ed1c ch\u1ed1ng n\u1ea5m (Amphotericin B) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u00f4i tr\u01b0\u1eddng methylcellulose.<\/p>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao \u0111\u0129a nu\u00f4i c\u1ea5y c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh th\u1ea5p l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi CFU?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00e1c \u0111\u0129a c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh th\u1ea5p r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c t\u1ebf b\u00e0o k\u1ebft d\u00ednh nh\u01b0 nguy\u00ean b\u00e0o s\u1ee3i c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u1ee5m t\u1ebf b\u00e0o v\u00e0 che khu\u1ea5t h\u00ecnh \u1ea3nh c\u1ee7a c\u1ee5m t\u1ebf b\u00e0o. N\u00ean l\u1ef1a ch\u1ecdn \u0111\u0129a c\u00f3 \u0111\u1ed9 b\u00e1m d\u00ednh th\u1ea5p \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c t\u1ebf b\u00e0o k\u1ebft d\u00ednh.<\/p>\n<p style=\"text-align:justify\"><strong>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 ho\u00e0n ch\u1ec9nh \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c m\u1eabu c\u1ea5y ba l\u1ea7n l\u0103p l\u1ea1i (triplicate cultures) ho\u1eb7c hai l\u1ea7n l\u0103p l\u1ea1i (duplicate cultures)?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00f3 th\u1ec3 chu\u1ea9n b\u1ecb nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 t\u1eeb c\u00e1c chai 100 mL m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 ho\u00e0n ch\u1ec9nh. Vi\u1ec7c chi\u1ebft m\u00f4i tr\u01b0\u1eddng ra \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng b\u0103ng l\u1ea1nh &nbsp;v\u00e0 r\u00e3 \u0111\u00f4ng l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n.<\/p>\n<p style=\"text-align:justify\">Kh\u00f4ng s\u1eed d\u1ee5ng pipet h\u00fat huy\u1ebft thanh \u0111\u1ec3 ph\u00e2n ph\u1ed1i m\u00f4i tr\u01b0\u1eddng n\u1ec1n methylcellulose v\u00ec th\u1ec3 t\u00edch l\u1ea5y s\u1ebd kh\u00f4ng ch\u00ednh x\u00e1c. B\u01a1m ti\u00eam (3 mL ho\u1eb7c 6 mL) v\u00e0 Kim \u0111\u1ea7u c\u00f9n, 16 Gauge n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n ph\u1ed1i ch\u00ednh x\u00e1c m\u00f4i tr\u01b0\u1eddng methylcellulose nh\u1edbt. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu c\u1ea5y l\u1eb7p l\u1ea1i 2 l\u1ea7n, l\u1ea5y 3 mL m\u1ed7i \u1ed1ng. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu c\u1ea5y l\u1eb7p l\u1ea1i ba l\u1ea7n, l\u1ea5y 4 mL m\u1ed7i \u1ed1ng.<\/p>\n<h2 style=\"text-align:justify\"><span class=\"ez-toc-section\" id=\"Thiet_lap_va_nuoi_cay\"><\/span><strong>Thi\u1ebft l\u1eadp v\u00e0 nu\u00f4i c\u1ea5y<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao l\u00e0m suy gi\u1ea3m t\u1ebf b\u00e0o h\u1ed3ng c\u1ea7u l\u1ea1i quan tr\u1ecdng tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp nu\u00f4i c\u1ea5y CFU?<\/strong><\/p>\n<p style=\"text-align:justify\">L\u00e0m suy gi\u1ea3m t\u1ebf b\u00e0o h\u1ed3ng c\u1ea7u (RBC) l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp nu\u00f4i c\u1ea5y CFU v\u00ec s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a nhi\u1ec1u RBC trong m\u1eabu c\u00f3 th\u1ec3 g\u00e2y ra n\u1ec1n d\u1ea7y \u0111\u1eb7c, s\u1ea7n s\u00f9i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng nh\u01b0 kh\u1eb3 n\u0103ng quan s\u00e1t c\u00e1c c\u1ee5m t\u1ebf b\u00e0o.<\/p>\n<p style=\"text-align:justify\"><strong>T\u00f4i n\u00ean s\u1eed d\u1ee5ng l\u01b0\u1ee3ng t\u1ebf b\u00e0o l\u00e0 bao nhi\u00eau \u0111\u1ec3 b\u1eaft \u0111\u1ea7u nu\u00f4i c\u1ea5y CFU?<\/strong><\/p>\n<p style=\"text-align:justify\">\u0110\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c, c\u1ea7n c\u00f3 m\u1ed1i quan h\u1ec7 tuy\u1ebfn t\u00ednh gi\u1eefa s\u1ed1 l\u01b0\u1ee3ng t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u nu\u00f4i c\u1ea5y CFU v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ee5m t\u1ebf b\u00e0o mong mu\u1ed1n thu \u0111\u01b0\u1ee3c. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a qu\u00e1 nhi\u1ec1u c\u1ee5m t\u1ebf b\u00e0o g\u00e2y ra s\u1ef1 \u1ee9c ch\u1ebf s\u1ef1 t\u0103ng sinh c\u1ee7a c\u00e1c t\u1ebf b\u00e0o ti\u1ec1n th\u1ea7n do c\u1ea1n ki\u1ec7t ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft, thay \u0111\u1ed5i pH v\u00e0 s\u1ef1 trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a t\u1ebf b\u00e0o. Vi\u1ec7c c\u00e1c c\u1ee5m t\u1ebf b\u00e0o ch\u1ed3ng qu\u00e1 m\u1ee9c c\u0169ng g\u00e2y ra sai s\u1ed1 \u0111\u1ebfm v\u00ec kh\u00f3 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ee5m t\u1ebf b\u00e0o ri\u00eang l\u1ebb. Ho\u1eb7c qu\u00e1 \u00edt c\u1ee5m t\u1ebf b\u00e0o c\u00f3 th\u1ec3 mang l\u1ea1i d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea.<\/p>\n<p style=\"text-align:justify\">Sau \u0111\u00e2y l\u00e0 b\u1ea3ng n\u1ed3ng \u0111\u1ed9 t\u1ebf b\u00e0o c\u0169ng nh\u01b0 l\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111\u1ed5 \u0111\u0129a \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t v\u1edbi m\u00f4i tr\u01b0\u1eddng MethoCult:<\/p>\n<p style=\"text-align:center\"><strong>B\u1ea3ng 1. N\u1ed3ng \u0111\u1ed9 khuy\u1ebfn ngh\u1ecb \u0111\u1ed5 \u0111\u0129a cho m\u00f4i tr\u01b0\u1eddng MethoCult<\/strong><\/p>\n<p style=\"text-align:justify\">&nbsp;<\/p>\n<figure class=\"table\">\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align:center\"><strong>NGU\u1ed2N T\u1ebe B\u00c0O<\/strong><\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\"><strong>N\u1ed2NG \u0110\u1ed8 10X \u0110\u01af\u1ee2C CHU\u1ea8N B\u1eca<\/strong><\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\"><strong>N\u1ed2NG \u0110\u1ed8 \u0110\u1ed4 \u0110\u0128A<\/strong><br \/><strong>(t\u1ebf b\u00e0o tr\u00ean \u0111\u0129a 35 mm)*<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>BM, \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ammonium chloride<\/td>\n<td>\n<p style=\"text-align:center\">5 x 105<br \/>(2 x 105&nbsp;&#8211; 1 x 106)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">5 x 104<br \/>(2 x 104&nbsp;&#8211; 1 x 105)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>BM MNCs<\/td>\n<td>\n<p style=\"text-align:center\">2 x 105<br \/>(1 x 105&nbsp;&#8211; 5 x 105)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">2 x 104<br \/>(1 x 104&nbsp;&#8211; 5 x 104)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>CB MNCs<\/td>\n<td>\n<p style=\"text-align:center\">1 x 105<br \/>(5 x 104&nbsp;&#8211; 2 x 105)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">1 x 104<br \/>(5 x 103&nbsp;&#8211; 2 x 104)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>PB MNCs<\/td>\n<td>\n<p style=\"text-align:center\">2 x 106<br \/>(1 x 106&nbsp;&#8211; 2 x 106)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">2 x 105<br \/>(1 x 105&nbsp;&#8211; 2 x 105)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>MPB MNCs<\/td>\n<td>\n<p style=\"text-align:center\">2 x 105<br \/>(1 x 105- 5 x 105)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">2 x 104<br \/>(1 x 104- 5 x 104)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>Lin-depleted (CD34+<br \/>enriched BM, CB, MPB)<\/td>\n<td>\n<p style=\"text-align:center\">1 x 104<br \/>(5 x 103&nbsp;&#8211; 2 x 104)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">1000<br \/>(500 &#8211; 2000)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>CD34+ cells (BM, CB, MPB)<\/td>\n<td>\n<p style=\"text-align:center\">5 x 103<br \/>(1.5 x 103&nbsp;&#8211; 1 x 104)<\/p>\n<\/td>\n<td>\n<p style=\"text-align:center\">500<br \/>(150 &#8211; 1000)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>*Nh\u1eefng s\u1ed1 n\u00e0y \u00e1p d\u1ee5ng cho m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 c\u00f3 ch\u1ee9a c\u00e1c cytokine t\u00e1i t\u1ed5 h\u1ee3p. N\u1ed3ng \u0111\u1ed9 \u0111\u1ed5 \u0111\u0129a khuy\u1ebfn ngh\u1ecb cho m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 # 04431, 04531 cao h\u01a1n 1,5 \u0111\u1ebfn 2,5 l\u1ea7n, v\u00ec hi\u1ec7u qu\u1ea3 \u0111\u1ed5 \u0111\u0129a trong c\u00e1c m\u00f4i tr\u01b0\u1eddng n\u00e0y n\u00e0y c\u00f3 xu h\u01b0\u1edbng th\u1ea5p h\u01a1n.<\/p>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 kh\u00f4ng ph\u1ee7 to\u00e0n b\u1ed9 b\u1ec1 \u0111\u0129a nu\u00f4i c\u1ea5y?<\/strong><\/p>\n<p style=\"text-align:justify\">Do \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u00f3, MethoCult \u2122 kh\u00f4ng ph\u1ee7 ngay \u0111\u00e1y gi\u1ebfng v\u00e0 kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng l\u1ecfng, n\u00f3 s\u1ebd t\u1ea1o th\u00e0nh m\u00e1i v\u00f2m do s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t. \u0110\u1ec3 tr\u1ea3i c\u00e1c t\u1ebf b\u00e0o v\u00e0 MethoCult \u2122, h\u00e3y ph\u00e2n ph\u1ed1i \u0111\u1ec1u m\u00f4i tr\u01b0\u1eddng (1,1 mL) b\u1eb1ng c\u00e1ch nghi\u00eang v\u00e0 xoay nh\u1eb9 \u0111\u0129a \u0111\u1ec3 t\u1ea1o l\u1edbp \u0111\u1ec1u \u0111\u1ebfn m\u00e9p c\u1ee7a \u0111\u0129a.<\/p>\n<p style=\"text-align:justify\"><strong>N\u00ean \u0111\u1ee3i bao l\u00e2u sau khi vortex tr\u01b0\u1edbc khi \u0111\u1ed5 \u0111\u0129a c\u00e1c \u1ed1ng MethoCult \u2122 c\u00f3 t\u1ebf b\u00e0o v\u00e0o \u0111\u0129a nu\u00f4i c\u1ea5y?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00f3 th\u1ec3 \u0111\u1ed5 \u0111\u0129a MethoCult \u2122 v\u00e0 h\u1ed7n h\u1ee3p t\u1ebf b\u00e0o ngay khi c\u00e1c b\u1ecdt kh\u00ed g\u1ea7n nh\u01b0 b\u1ed1c l\u00ean tr\u00ean c\u00f9ng (kho\u1ea3ng 5 ph\u00fat sau khi vortex). V\u00ec \u0111\u00e2y l\u00e0 h\u1ed7n h\u1ee3p trong \u0111\u00f3 c\u00e1c t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y, c\u00e1c t\u1ebf b\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec3 trong \u1ed1ng trong v\u00e0i gi\u1edd \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, n\u1ebfu c\u1ea7n, m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee5m t\u1ebf b\u00e0o. Vortex nh\u1eb9 tr\u01b0\u1edbc khi \u0111\u1ed5 \u0111\u0129a n\u1ebfu \u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec3 trong m\u1ed9t th\u1eddi gian.<\/p>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 c\u00f3 v\u1ebb b\u1ecb l\u1ecfng v\u00e0 c\u00e1c c\u1ee5m t\u1ebf b\u00e0o n\u1ed5i ho\u1eb7c nh\u00f2e?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00f3 m\u1ed9t s\u1ed1 l\u00fd do ti\u1ec1m \u1ea9n khi\u1ebfn m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng v\u00e0 c\u00e1c c\u1ee5m t\u1ebf b\u00e0o b\u1ecb n\u1ed5i ho\u1eb7c nh\u00f2e:<\/p>\n<ul>\n<li>M\u00f4i tr\u01b0\u1eddng MethoCult \u2122 \u0111\u00e3 r\u00e3 \u0111\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9 tr\u01b0\u1edbc khi ph\u00e2n ph\u1ed1i v\u00e0o \u1ed1ng. Vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u00f4i tr\u01b0\u1eddng trong c\u00e1c \u1ed1ng (t\u1ee9c l\u00e0 m\u1ed9t s\u1ed1 \u1ed1ng s\u1ebd ch\u1ee9a m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p h\u01a1n v\u00e0 m\u1ed9t s\u1ed1 \u1ed1ng ch\u1ee9a m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 nh\u1edbt cao h\u01a1n).<\/li>\n<li>Th\u1ec3 t\u00edch t\u1ebf b\u00e0o qu\u00e1 l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o MethoCult \u2122. MethoCult \u2122 \u0111\u01b0\u1ee3c pha s\u1eb5n v\u1edbi \u0111\u1ed9 nh\u1edbt t\u1ed1i \u01b0u \u0111\u1ec3 h\u00ecnh th\u00e0nh c\u1ee5m t\u1ebf b\u00e0o theo t\u1ef7 l\u1ec7 1:10, do \u0111\u00f3, n\u1ebfu \u0111\u1ed9 pha lo\u00e3ng l\u1edbn h\u01a1n 1:10 s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c c\u1ee5m t\u1ebf b\u00e0o h\u00ecnh th\u00e0nh r\u1eddi r\u1ea1c v\u00e0 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n &#8216;th\u00e0nh d\u00f2ng&#8217; tr\u00ean \u0111\u0129a khi \u0111\u0129a \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111i. Ng\u01b0\u1ee3c l\u1ea1i, t\u1ef7 l\u1ec7 nh\u1ecf h\u01a1n 1:10 s\u1ebd d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e1c c\u1ee5m t\u1ebf b\u00e0o c\u1ef1c k\u1ef3 nh\u1ecf v\u00e0 xu\u1ea5t hi\u1ec7n c\u00e1c bong b\u00f3ng trong c\u1ee5m t\u1ebf b\u00e0o.<\/li>\n<li>C\u00e1c \u1ed1ng ch\u1ee9a t\u1ebf b\u00e0o v\u00e0 m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9 tr\u01b0\u1edbc khi \u0111\u1ed5 \u0111\u0129a.<\/li>\n<\/ul>\n<p style=\"text-align:justify\"><strong>&nbsp;T\u00f4i c\u00f3 th\u1ec3 l\u00e0m g\u00ec n\u1ebfu n\u1ec1n m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y b\u1ecb nhi\u1ec5m kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">Kh\u00f4ng, c\u00e1c n\u1ec1n m\u00f4i tr\u01b0\u1eddng nhi\u1ec5m kh\u00f4ng th\u1ec3 c\u1ee9u \u0111\u01b0\u1ee3c. M\u1ed9t khi \u0111\u00e3 nh\u00ecn th\u1ea5y s\u1ef1 nhi\u1ec5m th\u00ec kh\u00f4ng th\u1ec3 c\u1ee9u c\u00e1c m\u1eabu c\u1ea5y b\u1eb1ng c\u00e1ch b\u1ed5 sung kh\u00e1ng sinh. Vi khu\u1ea9n v\u00e0 n\u1ea5m men \u1ee9c ch\u1ebf s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee5m t\u1ebf b\u00e0o b\u1eb1ng c\u00e1ch l\u00e0m h\u00fat h\u1ebft ch\u1ea5t dinh d\u01b0\u1ee1ng ho\u1eb7c b\u1eb1ng c\u00e1ch gi\u1ea3i ph\u00f3ng c\u00e1c ch\u1ea5t \u0111\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p style=\"text-align:justify\">&nbsp;<strong>T\u1ea1i sao c\u00e1c n\u1ec1n m\u00f4i tr\u01b0\u1eddng b\u1ecb kh\u00f4? L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 bi\u1ebft li\u1ec7u n\u1ec1n m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111ang b\u1ecb m\u1ea5t n\u01b0\u1edbc hay kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1ea5t n\u01b0\u1edbc l\u00e0 do chu\u1ea9n b\u1ecb nu\u00f4i c\u1ea5y kh\u00f4ng \u0111\u00fang c\u00e1ch, c\u1ee5 th\u1ec3 l\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u0129a n\u01b0\u1edbc v\u00e0 \u0111\u1ed9 \u1ea9m qu\u00e1 th\u1ea5p trong t\u1ee7 \u1ea5m. S\u1ef1 m\u1ea5t n\u01b0\u1edbc c\u1ee7a m\u1eabu c\u1ea5y c\u00f3 th\u1ec3 x\u1ea3y ra n\u1ebfu \u0111\u1ed9 \u1ea9m cao (\u2265 95%) kh\u00f4ng \u0111\u01b0\u1ee3c duy tr\u00ec trong su\u1ed1t th\u1eddi gian nu\u00f4i c\u1ea5y, v\u00e0 ngay c\u1ea3 nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u0111\u1ed9 \u1ea9m c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u1ee5m t\u1ebf b\u00e0o.<\/p>\n<p style=\"text-align:justify\">Th\u00f4ng th\u01b0\u1eddng, m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y m\u1ea5t n\u01b0\u1edbc s\u1ebd xu\u1ea5t hi\u1ec7n l\u1ed1m \u0111\u1ed1m ho\u1eb7c v\u1ebft n\u1ee9t khi quan s\u00e1t d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi. N\u1ebfu nh\u00ecn v\u0129 m\u00f4 t\u1eeb m\u1ed9t b\u00ean, m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y c\u00f3 v\u1ebb m\u1ecfng h\u01a1n b\u00ecnh th\u01b0\u1eddng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 quan s\u00e1t th\u1ea5y m\u1eadt \u0111\u1ed9 s\u1ea7n s\u00f9i b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t c\u1ea1nh c\u1ee7a gi\u1ebfng. M\u1ea5t n\u01b0\u1edbc c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c c\u1ee5m t\u1ebf b\u00e0o (th\u01b0\u1eddng \u1edf v\u00f9ng m\u1ea5t n\u01b0\u1edbc r\u1ea5t s\u1ea7n s\u00f9i) v\u00e0\/ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng d\u01b0\u01a1ng t\u00ednh gi\u1ea3 (th\u01b0\u1eddng l\u00e0 c\u00e1c c\u1ee5m t\u1ebf b\u00e0o GM d\u1ecdc theo v\u00f9ng chuy\u1ec3n t\u1eeb v\u00f9ng m\u1ea5t n\u01b0\u1edbc sang v\u00f9ng b\u00ecnh th\u01b0\u1eddng).<\/p>\n<h2 style=\"text-align:justify\"><span class=\"ez-toc-section\" id=\"Xac_dinh_va_liet_ke_cac_cum_te_bao\"><\/span><strong>X\u00e1c \u0111\u1ecbnh v\u00e0 li\u1ec7t k\u00ea c\u00e1c c\u1ee5m t\u1ebf b\u00e0o<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align:justify\"><strong>T\u1ea1i sao s\u1ed1 l\u01b0\u1ee3ng c\u1ee5m t\u1ebf b\u00e0o kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u trong ba l\u1ea7n nu\u00f4i c\u1ea5y c\u1ee7a c\u00f9ng m\u1ed9t m\u1eabu?<\/strong><\/p>\n<p style=\"text-align:justify\">N\u1ebfu b\u1ea1n th\u1ea5y s\u1ed1 l\u01b0\u1ee3ng c\u1ee5m t\u1ebf b\u00e0o kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u trong ba l\u1ea7n nu\u00f4i c\u1ea5y c\u1ee7a c\u00f9ng m\u1ed9t m\u1eabu, c\u00f3 th\u1ec3 b\u1ea1n \u0111\u00e3 kh\u00f4ng vortex c\u00e1c m\u1eabu m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Sau khi th\u00eam c\u00e1c t\u1ebf b\u00e0o v\u00e0o m\u00f4i tr\u01b0\u1eddng MethoCult \u2122, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 ph\u1ea3i vortex \u00edt nh\u1ea5t 4 gi\u00e2y \u0111\u1ec3 t\u1ebf b\u00e0o ph\u00e2n b\u1ed1 \u0111\u1ec1u.<\/p>\n<p style=\"text-align:justify\"><strong>Vi\u1ec7c \u0111\u1ebfm c\u1ee7a c\u00e1c x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU c\u00f3 mang t\u00ednh ch\u1ee7 quan kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00f3, vi\u1ec7c \u0111\u1ebfm c\u00e1c x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU c\u00f3 th\u1ec3 mang t\u00ednh ch\u1ee7 quan. M\u1ed9t s\u1ed1 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 \u0111\u1eb7c bi\u1ec7t kh\u00f3 kh\u0103n g\u1eb7p ph\u1ea3i khi \u0111\u1ebfm c\u00e1c c\u1ee5m t\u1ebf b\u00e0o CFU l\u00e0 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a nhi\u1ec1u c\u1ee5m t\u1ebf b\u00e0o qu\u00e1 g\u1ea7n nhau ho\u1eb7c ch\u1ed3ng l\u00ean nhau, do \u0111\u00f3 l\u00e0m sai l\u1ec7ch t\u1ed5ng s\u1ed1 \u0111\u1ebfm CFU, d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u00e1nh gi\u00e1 sai m\u1eabu HSPC \u0111\u00f3.<\/p>\n<p style=\"text-align:justify\"><strong>T\u00f4i c\u1ea3m th\u1ea5y ch\u00f3ng m\u1eb7t khi \u0111\u1ebfm c\u1ee5m t\u1ebf b\u00e0o. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i c\u00f3 th\u1ec3 gi\u1ea3m b\u1edbt v\u1ea5n \u0111\u1ec1 n\u00e0y?<\/strong><\/p>\n<p style=\"text-align:justify\">Nh\u1eefng ng\u01b0\u1eddi m\u1edbi \u0111\u1ebfm c\u00e1c x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU th\u01b0\u1eddng c\u00f3 c\u1ea3m gi\u00e1c ch\u00f3ng m\u1eb7t. C\u00e1c c\u00e1ch \u0111\u1ec3 tr\u00e1nh \u0111i\u1ec1u n\u00e0y bao g\u1ed3m:<\/p>\n<ul>\n<li>Gi\u1edbi h\u1ea1n th\u1eddi gian s\u1eed d\u1ee5ng k\u00ednh hi\u1ec3n vi ch\u1ec9 c\u00f2n m\u1ed9t gi\u1edd m\u1ed7i l\u1ea7n \u0111\u1ec3 b\u1eaft \u0111\u1ea7u.<\/li>\n<li>\u0110\u1ebfm theo h\u00e0ng d\u1ecdc b\u1eb1ng c\u00e1ch di chuy\u1ec3n n\u00fam \u0111i\u1ec1u khi\u1ec3n l\u00ean v\u00e0 xu\u1ed1ng thay v\u00ec t\u1eeb b\u00ean n\u00e0y sang b\u00ean kia tr\u00ean \u0111\u0129a.<\/li>\n<li>B\u1eaft \u0111\u1ea7u ch\u1eadm: b\u1eaft \u0111\u1ea7u kh\u00f4ng \u0111\u1ebfm qu\u00e1 m\u1ed9t gi\u1edd. Khi \u0111\u00e3 th\u1ef1c h\u00e0nh nhi\u1ec1u, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 chuy\u1ec3n sang \u0111\u1ebfm c\u00e1c c\u1ee5m t\u1ebf t\u00e0o trong v\u00e0i gi\u1edd m\u1ed9t l\u1ea7n.<\/li>\n<li>Ngh\u1ec9 gi\u1ea3i lao! Ngay c\u1ea3 khi b\u1ea1n c\u1ea3m th\u1ea5y t\u1ef1 tin, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ngh\u1ec9 gi\u1ea3i lao m\u1ed7i gi\u1edd \u0111\u1ec3 v\u01b0\u01a1n vai v\u00e0 nh\u00ecn v\u00e0o kho\u1ea3ng kh\u00f4ng \u0111\u1ec3 th\u01b0 gi\u00e3n \u0111\u00f4i m\u1eaft c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p style=\"text-align:justify\"><strong>C\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p con c\u1ee7a d\u00f2ng b\u1ea1ch c\u1ea7u h\u1ea1t \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t b\u1eb1ng x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">D\u00f2ng b\u1ea1ch c\u1ea7u h\u1ea1t bao g\u1ed3m ba lo\u1ea1i t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh: b\u1ea1ch c\u1ea7u trung t\u00ednh, b\u1ea1ch c\u1ea7u \u01b0a ki\u1ec1m v\u00e0 b\u1ea1ch c\u1ea7u \u01b0a acid. C\u00e1ch duy nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1ef1c s\u1ef1 t\u1ea7n s\u1ed1 c\u1ee7a ch\u00fang trong m\u00e1u ngo\u1ea1i vi l\u00e0 d\u1ef1a tr\u00ean nhu\u1ed9m m\u00f4 h\u1ecdc v\u1edbi hematoxylin v\u00e0 eosin (H&amp;E) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i li\u00ean quan \u0111\u1ec3 ph\u00e2n bi\u1ec7t ba lo\u1ea1i n\u00e0y d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc, m\u00e0u s\u1eafc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a nh\u00e2n.<\/p>\n<p style=\"text-align:justify\">Trong m\u1ed9t x\u00e9t nghi\u1ec7m nu\u00f4i c\u1ea5y CFU, ng\u01b0\u1eddi ta ch\u1ec9 c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh \u0111\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh lo\u1ea1i t\u1ed5 ti\u00ean v\u00e0 kh\u00f4ng th\u1ec3 h\u00ecnh dung h\u00ecnh d\u1ea1ng c\u1ee7a nh\u00e2n. H\u00ecnh d\u1ea1ng c\u1ee7a nh\u00e2n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang.<\/p>\n<p style=\"text-align:justify\"><strong>T\u00f4i c\u00f3 th\u1ec3 \u0111\u1ec3 tr\u01b0\u1eddng nu\u00f4i c\u1ea5y CFU c\u1ee7a ng\u01b0\u1eddi l\u00e2u h\u01a1n 14 ng\u00e0y kh\u00f4ng?<\/strong><\/p>\n<p style=\"text-align:justify\">C\u00e1c m\u1eabu c\u1ea5y CFU c\u1ee7a ng\u01b0\u1eddi kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u00e2u h\u01a1n 14 ng\u00e0y. T\u1ea5t c\u1ea3 c\u00e1c m\u1eabu c\u1ea5y CFU c\u1ee7a ng\u01b0\u1eddi trong m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 ti\u00eau chu\u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 MethoCult \u2122 H4435 Enriched, n\u00ean \u0111\u01b0\u1ee3c t\u00ednh v\u00e0o kho\u1ea3ng ng\u00e0y 13-15.<\/p>\n<p style=\"text-align:justify\">C\u00e1c t\u1ebf b\u00e0o kh\u00f4ng th\u1ec3 \u1edf trong m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y l\u00e2u h\u01a1n ch\u1ee7 y\u1ebfu v\u00ec c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng trong m\u00f4i tr\u01b0\u1eddng s\u1ebd b\u1ecb c\u1ea1n ki\u1ec7t sau th\u1eddi gian n\u00e0y. T\u1ea5t c\u1ea3 c\u00e1c t\u1ebf b\u00e0o s\u1ebd b\u1eaft \u0111\u1ea7u ch\u1ebft, bao g\u1ed3m c\u1ea3 nh\u1eefng t\u1ebf b\u00e0o sinh tr\u01b0\u1edfng nguy\u00ean th\u1ee7y m\u00e0 b\u1ea1n mu\u1ed1n x\u00e1c \u0111\u1ecbnh.<\/p>\n<p style=\"text-align:justify\">Ngo\u00e0i ra, b\u1ea1n kh\u00f4ng n\u00ean ph\u00e2n t\u00edch c\u00e1c m\u1eabu c\u1ea5y CFU sau h\u01a1n 15 ng\u00e0y:<\/p>\n<ul>\n<li>C\u00e1c c\u1ee5m t\u1ebf b\u00e0o ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u00e0 th\u1ed1ng k\u00ea ch\u00ednh x\u00e1c do k\u1ebft qu\u1ea3 t\u0103ng tr\u01b0\u1edfng k\u00e9o d\u00e0i d\u1eabn \u0111\u1ebfn qu\u00e1 t\u1ea3i, h\u1ee3p nh\u1ea5t v\u00e0 ch\u1ed3ng ch\u00e9o<\/li>\n<li>C\u00e1c c\u1ee5m t\u1ebf b\u00e0o b\u1eaft \u0111\u1ea7u ch\u1ebft v\u00e0 ph\u00e2n h\u1ee7y, nh\u01b0 th\u01b0\u1eddng th\u1ea5y v\u1edbi c\u00e1c c\u1ee5m t\u1ebf b\u00e0o h\u1ed3ng c\u1ea7u nh\u1ecf.<\/li>\n<\/ul>\n<p style=\"text-align:justify\">Tuy nhi\u00ean, n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ebfm c\u00e1c m\u1eabu c\u1ea5y CFU trong khung th\u1eddi gian khuy\u1ebfn ngh\u1ecb (13 &#8211; ~ 15 ng\u00e0y) v\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng MethoCult \u2122 ti\u00eau chu\u1ea9n, n\u00ean chuy\u1ec3n c\u00e1c khay nu\u00f4i c\u1ea5y CFU sang t\u1ee7 \u1ea5m 33\u00b0C v\u1edbi 5% CO2 (\u0110\u1ed9 \u1ea9m 95%) th\u00eam 1 &#8211; 2 ng\u00e0y. Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n s\u1ebd kh\u00f4ng ng\u0103n ch\u1eb7n t\u1ebf b\u00e0o ch\u1ebft ho\u1eb7c \u1ee9c ch\u1ebf s\u1ef1 t\u0103ng sinh, nh\u01b0ng s\u1ebd h\u1ed7 tr\u1ee3 duy tr\u00ec h\u00ecnh th\u00e1i c\u1ee7a c\u1ee5m t\u1ebf b\u00e0o, do \u0111\u00f3, c\u00e1c c\u1ee5m t\u1ebf b\u00e0o v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ed1ng k\u00ea m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<p>&nbsp;(Ngu\u1ed3n t\u00e0i li\u1ec7u: C\u00f4ng ty STEMCELL Technologies &#8211; Canada)<\/p>\n","protected":false},"featured_media":5894,"parent":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-4400","service","type-service","status-publish","has-post-thumbnail","hentry","service-category-quy-trinh-huong-dan-su-dung"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 vi\u1ec7c th\u1ef1c 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