{"id":4073,"date":"2025-08-18T19:56:11","date_gmt":"2025-08-18T12:56:11","guid":{"rendered":"http:\/\/biogroupvietnam-worldpress.local\/product\/import-placeholder-for-265\/"},"modified":"2026-03-30T16:32:32","modified_gmt":"2026-03-30T09:32:32","slug":"moi-truong-stemspan-tao-te-bao-nk-tu-cd34","status":"publish","type":"product","link":"https:\/\/biogroupvietnam.com\/vi\/san-pham\/moi-truong-stemspan-tao-te-bao-nk-tu-cd34\/","title":{"rendered":"M\u00f4i Tr\u01b0\u1eddng StemSpan\u2122 T\u1ea1o T\u1ebf B\u00e0o NK T\u1eeb T\u1ebf B\u00e0o CD34+"},"content":{"rendered":"<h3><strong>T\u1ed5ng quan v\u1ec1 b\u1ed9 m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o NK<\/strong><\/h3>\n<p style=\"text-align: justify;\">Bi\u1ec7t h\u00f3a t\u1ebf b\u00e0o CD34+ \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb m\u00e1u cu\u1ed1ng r\u1ed1n (CB) v\u00e0 t\u1ee7y x\u01b0\u01a1ng (BM) th\u00e0nh t\u1ebf b\u00e0o gi\u1ebft t\u1ef1 nhi\u00ean (NK)\u2014m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng huy\u1ebft thanh ho\u1eb7c t\u1ebf b\u00e0o g\u1ed1c\u2014b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng B\u1ed9 m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o StemSpan\u2122 NK Cell Generation. B\u1ed9 s\u1ea3n ph\u1ea9m n\u00e0y th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u00e0ng ngh\u00ecn t\u1ebf b\u00e0o NK CD56+ trong c\u00e1c nu\u00f4i c\u1ea5y \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o b\u1eb1ng t\u1ebf b\u00e0o CB ng\u01b0\u1eddi CD34+.<\/p>\n<p style=\"text-align: justify;\">StemSpan\u2122 Lymphoid Progenitor Expansion Supplement (10X) ch\u1ee9a h\u1ed7n h\u1ee3p cytokine ng\u01b0\u1eddi t\u00e1i t\u1ed5 h\u1ee3p v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c \u0111\u01b0\u1ee3c b\u00e0o ch\u1ebf \u0111\u1ec3 th\u00fac \u0111\u1ea9y ch\u1ecdn l\u1ecdc s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 bi\u1ec7t h\u00f3a c\u1ee7a c\u00e1c t\u1ebf b\u00e0o CD34+ \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb m\u1eabu CB v\u00e0 BM ng\u01b0\u1eddi th\u00e0nh t\u1ebf b\u00e0o ti\u1ec1n th\u00e2n lymphoid khi s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng StemSpan\u2122 SFEM II v\u00e0 tr\u00ean b\u1ec1 m\u1eb7t nu\u00f4i c\u1ea5y c\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1edfi StemSpan\u2122 Lymphoid Differentiation Coating Material (100X). Sau \u0111\u00f3, StemSpan\u2122 NK Cell Differentiation Supplement (100X) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p StemSpan\u2122 SFEM II v\u00e0 UM729 (catalog #72332) cho ph\u00e9p bi\u1ec7t h\u00f3a c\u00e1c t\u1ebf b\u00e0o ti\u1ec1n th\u00e2n d\u00f2ng t\u1ee7y th\u00e0nh t\u1ebf b\u00e0o NK.<\/p>\n<p>\u0110\u1ec3 thu\u1eadn ti\u1ec7n linh ho\u1ea1t trong nghi\u00ean c\u1ee9u, t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ed9 s\u1ea3n ph\u1ea9m c\u0169ng c\u00f3 s\u1eb5n ri\u00eang l\u1ebb.<\/p>\n<h3><strong>\u1ee8ng d\u1ee5ng<\/strong><\/h3>\n<p>Nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o, Bi\u1ec7t h\u00f3a, T\u0103ng sinh<\/p>\n<h3><strong>Th\u00e0nh ph\u1ea7n b\u1ed9 kit<\/strong><\/h3>\n<ul>\n<li>StemSpan\u2122 NK Cell Generation Kit (Catalog #09960), bao g\u1ed3m:<\/li>\n<li>StemSpan\u2122 SFEM II (Catalog #09605), 100 mL<\/li>\n<li>StemSpan\u2122 Lymphoid Progenitor Expansion Supplement (10X) (Catalog #09915), 5 mL<\/li>\n<li>StemSpan\u2122 Lymphoid Differentiation Coating Material (100X) (Catalog #09925), 250 \u00b5L<\/li>\n<li>StemSpan\u2122 NK Cell Differentiation Supplement (100X) (Catalog #09950), 500 \u00b5L<\/li>\n<\/ul>\n<h3><strong>D\u1eef li\u1ec7u<\/strong><\/h3>\n<figure class=\"image\"><img fetchpriority=\"high\" decoding=\"async\" style=\"aspect-ratio: 914\/161;\" src=\"https:\/\/biogroupvietnam.com\/uploads\/qOlfYUW7dU6uVDQax2nr2Ag0h6JJXGZqfk6WtUaC.png\" width=\"914\" height=\"161\" \/><\/figure>\n<p style=\"text-align: center;\"><em>H\u00ecnh 1. Quy tr\u00ecnh nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o NK b\u1eb1ng StemSpan\u2122 NK Cell Generation<\/em><\/p>\n<p style=\"text-align: justify;\">T\u1ebf b\u00e0o CD34+ c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB \u0111\u01b0\u1ee3c c\u1ea5y v\u00e0o ng\u00e0y 0. M\u00f4i tr\u01b0\u1eddng n\u00ean \u0111\u01b0\u1ee3c b\u1ed5 sung sau 3 &#8211; 4 ng\u00e0y nu\u00f4i c\u1ea5y, sau \u0111\u00f3 thay \u0111\u1ed5i m\u1ed9t n\u1eeda m\u00f4i tr\u01b0\u1eddng hai l\u1ea7n sau m\u1ed7i 3 &#8211; 4 ng\u00e0y. V\u00e0o ng\u00e0y 14, c\u00e1c t\u1ebf b\u00e0o \u1edf giai \u0111o\u1ea1n ti\u1ec1n th\u00e2n lymphoid \u0111\u01b0\u1ee3c thu ho\u1ea1ch v\u00e0 c\u1ea5y l\u1ea1i \u0111\u1ec3 bi\u1ec7t h\u00f3a th\u00e0nh t\u1ebf b\u00e0o NK. Vi\u1ec7c b\u1ed5 sung v\u00e0 thay \u0111\u1ed5i m\u1ed9t n\u1eeda m\u00f4i tr\u01b0\u1eddng n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau m\u1ed7i 3 &#8211; 4 ng\u00e0y sau khi thu ho\u1ea1ch v\u00e0 c\u1ea5y l\u1ea1i, nh\u01b0 \u0111\u01b0\u1ee3c ch\u1ec9 ra trong h\u00ecnh. L\u01b0u \u00fd: Ch\u1ec9 n\u00ean th\u00eam UM729 v\u00e0o M\u00f4i tr\u01b0\u1eddng bi\u1ec7t h\u00f3a t\u1ebf b\u00e0o NK (NK Cell Differentiation Medium), nh\u01b0ng kh\u00f4ng ph\u1ea3i M\u00f4i tr\u01b0\u1eddng\u00a0t\u0103ng sinh\u00a0ti\u1ec1n th\u00e2n lymphoid (Lymphoid Progenitor Expansion Medium).<\/p>\n<figure class=\"image\"><img decoding=\"async\" style=\"aspect-ratio: 666\/300;\" src=\"https:\/\/biogroupvietnam.com\/uploads\/VDgRMySA51RBjmW206JBbYKeen5ybiOSF7yW7ajJ.png\" width=\"666\" height=\"300\" \/><\/figure>\n<p style=\"text-align: center;\"><em>H\u00ecnh 2. T\u1ea7n su\u1ea5t v\u00e0 n\u0103ng su\u1ea5t t\u1ebf b\u00e0o NK CD56+ sau 28 ng\u00e0y nu\u00f4i c\u1ea5y<\/em><\/p>\n<p style=\"text-align: justify;\">T\u1ebf b\u00e0o CD34+ c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB (m\u1edbi ph\u00e2n l\u1eadp ho\u1eb7c \u0111\u00f4ng l\u1ea1nh) \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y b\u1eb1ng StemSpan\u2122 NK Cell Generation Kit trong 28 ng\u00e0y nh\u01b0 \u0111\u00e3 m\u00f4 t\u1ea3. C\u00e1c t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c thu ho\u1ea1ch v\u00e0 ph\u00e2n t\u00edch bi\u1ec3u hi\u1ec7n (A, B) CD56 v\u00e0 (A) NKp46 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o t\u1ebf b\u00e0o d\u00f2ng ch\u1ea3y. C\u00e1c t\u1ebf b\u00e0o ch\u1ebft \u0111\u01b0\u1ee3c lo\u1ea1i tr\u1eeb b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00e1n \u00e1nh s\u00e1ng v\u00e0 nhu\u1ed9m m\u00e0u kh\u1ea3 n\u0103ng s\u1ed1ng. (B) T\u1ea7n su\u1ea5t trung b\u00ecnh c\u1ee7a c\u00e1c t\u1ebf b\u00e0o NK CD56+ kh\u1ea3 thi v\u00e0o ng\u00e0y 28 l\u00e0 77%, v\u1edbi ~9.000 t\u1ebf b\u00e0o CD56+ \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t tr\u00ean m\u1ed7i t\u1ebf b\u00e0o CD34+ \u0111\u1ea7u v\u00e0o c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB. Hi\u1ec3n th\u1ecb c\u00e1c gi\u00e1 tr\u1ecb trung b\u00ecnh v\u1edbi kho\u1ea3ng tin c\u1eady 95% (n = 45: 23 m\u1eabu t\u1ebf b\u00e0o CD34+ m\u1edbi ph\u00e2n l\u1eadp v\u00e0 22 m\u1eabu t\u1ebf b\u00e0o CD34+ \u0111\u00f4ng l\u1ea1nh). C\u00e1c t\u1ebf b\u00e0o CD34+ c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb BM c\u0169ng \u0111\u01b0\u1ee3c bi\u1ec7t h\u00f3a th\u00e0nh t\u1ebf b\u00e0o NK b\u1eb1ng StemSpan\u2122 NK Cell Generation Kit. N\u0103ng su\u1ea5t t\u1ebf b\u00e0o NK t\u1eeb HSPC BM th\u01b0\u1eddng th\u1ea5p h\u01a1n so v\u1edbi CB, trung b\u00ecnh ~75 tr\u00ean m\u1ed7i t\u1ebf b\u00e0o CD34+ \u0111\u1ea7u v\u00e0o (n = 3, d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb).<\/p>\n<figure class=\"image\"><img decoding=\"async\" style=\"aspect-ratio: 699\/435;\" src=\"https:\/\/biogroupvietnam.com\/uploads\/ClOHNlyMYHgSYcp4gD0nRN4Yq4k0PnHWHAbTAqyx.png\" width=\"699\" height=\"435\" \/><\/figure>\n<p style=\"text-align: center;\"><em>H\u00ecnh 3. Bi\u1ec3u hi\u1ec7n d\u1ea5u hi\u1ec7u b\u1ec1 m\u1eb7t t\u1ebf b\u00e0o tr\u00ean t\u1ebf b\u00e0o NK CD56+ sau 28 ng\u00e0y nu\u00f4i c\u1ea5y<\/em><\/p>\n<p style=\"text-align: justify;\">T\u1ebf b\u00e0o CD34+ c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y b\u1eb1ng StemSpan\u2122 NK Cell Generation Kit trong 28 ng\u00e0y. C\u00e1c t\u1ebf b\u00e0o bi\u1ec7t h\u00f3a \u0111\u01b0\u1ee3c thu ho\u1ea1ch v\u00e0 ph\u00e2n t\u00edch b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o t\u1ebf b\u00e0o d\u00f2ng ch\u1ea3y \u0111\u1ec3 bi\u1ec3u hi\u1ec7n CD56, NKp44, NKp30, NKG2D, CD94, CD16 v\u00e0 KIR. Nhu\u1ed9m ph\u00e2n t\u1eed KIR \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p hai d\u00f2ng kh\u00e1ng th\u1ec3, 180704 v\u00e0 HP-MA4, v\u00ec m\u1ed7i d\u00f2ng nh\u1eadn di\u1ec7n m\u1ed9t t\u1eadp h\u1ee3p con ri\u00eang bi\u1ec7t c\u1ee7a c\u00e1c ph\u00e2n t\u1eed KIR.<\/p>\n<figure class=\"image\"><img loading=\"lazy\" decoding=\"async\" style=\"aspect-ratio: 504\/354;\" src=\"https:\/\/biogroupvietnam.com\/uploads\/5VGQBPVXRt6VsKRfH9TeoOgpmK6uaE6lqWoJt3QJ.png\" width=\"504\" height=\"354\" \/><\/figure>\n<p style=\"text-align: center;\"><em>H\u00ecnh 4. T\u1ebf b\u00e0o NK nu\u00f4i c\u1ea5y th\u1ec3 hi\u1ec7n \u0111\u1ed9c t\u00ednh \u0111\u1ed1i v\u1edbi d\u00f2ng t\u1ebf b\u00e0o K562<\/em><\/p>\n<p style=\"text-align: justify;\">T\u1ebf b\u00e0o NK \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb t\u1ebf b\u00e0o CD34+ c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB trong 28 ng\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy tr\u00ecnh trong H\u00ecnh 1. V\u00e0o ng\u00e0y 28, c\u00e1c t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c thu ho\u1ea1ch, nhu\u1ed9m CD56 v\u00e0 \u0111\u1ebfm s\u1ed1 t\u1ebf b\u00e0o CD56+ s\u1ed1ng. T\u1ebf b\u00e0o K562 \u0111\u01b0\u1ee3c \u1ee7 v\u1edbi 8 \u03bcM calcein AM \u1edf 37\u00b0C trong 1 gi\u1edd v\u00e0 sau \u0111\u00f3 r\u1eeda hai l\u1ea7n. Sau \u0111\u00f3, t\u1ebf b\u00e0o NK CD56+ \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi 10.000 t\u1ebf b\u00e0o \u0111\u00edch K562 \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n calcein AM n\u00e0y theo t\u1ef7 l\u1ec7 T\u00e1c nh\u00e2n:M\u1ee5c ti\u00eau l\u00e0 5:1 trong c\u00e1c \u0111\u0129a 96 gi\u1ebfng \u0111\u00e1y ch\u1eef U v\u00e0 \u0111\u1ed3ng nu\u00f4i c\u1ea5y \u1edf 37\u00b0C trong 4 gi\u1edd. T\u1ebf b\u00e0o NK m\u00e1u ngo\u1ea1i vi (PB) tr\u01b0\u1edfng th\u00e0nh v\u00e0 c\u00e1c t\u1ebf b\u00e0o \u0111\u01a1n nh\u00e2n \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp b\u1eb1ng EasySep\u2122 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ed1i ch\u1ee9ng d\u01b0\u01a1ng v\u00e0 \u0111\u1ed1i ch\u1ee9ng \u00e2m t\u01b0\u01a1ng \u1ee9ng. T\u1ebf b\u00e0o NK PB \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y qua \u0111\u00eam v\u1edbi Ch\u1ea5t b\u1ed5 sung bi\u1ec7t h\u00f3a t\u1ebf b\u00e0o NK (NK Cell Differentiation Supplement) v\u00e0 SFEM II, trong khi t\u1ebf b\u00e0o \u0111\u01a1n nh\u00e2n PB ch\u1ec9 \u0111\u01b0\u1ee3c nu\u00f4i c\u1ea5y qua \u0111\u00eam trong SFEM II. \u0110\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 gi\u1ea3i ph\u00f3ng t\u1ef1 ph\u00e1t, c\u00e1c gi\u1ebfng \u0111\u1ed1i ch\u1ee9ng ch\u1ec9 ch\u1ee9a c\u00e1c t\u1ebf b\u00e0o \u0111\u00edch K562 \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n calcein AM \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp. C\u00e1c t\u1ebf b\u00e0o K562 \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng 1% Triton\u2122 X-100 \u0111\u1ec3 \u0111o m\u1ee9c gi\u1ea3i ph\u00f3ng t\u1ed1i \u0111a. Sau khi \u1ee7, c\u00e1c \u0111\u0129a \u0111\u01b0\u1ee3c ly t\u00e2m \u1edf t\u1ed1c \u0111\u1ed9 500 x g trong 5 ph\u00fat v\u00e0 100 \u03bcL d\u1ecbch n\u1ed5i \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o c\u00e1c \u0111\u0129a \u0111en v\u00e0 ph\u00e2n t\u00edch b\u1eb1ng m\u00e1y \u0111\u1ecdc vi \u0111\u0129a SpectraMax\u00ae (k\u00edch th\u00edch 485 nm\/ph\u00e1t x\u1ea1 530 nm). K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng % ly gi\u1ea3i \u0111\u1eb7c hi\u1ec7u: [(gi\u1ea3i ph\u00f3ng th\u1eed nghi\u1ec7m &#8211; gi\u1ea3i ph\u00f3ng t\u1ef1 ph\u00e1t) x 100] \/ (gi\u1ea3i ph\u00f3ng t\u1ed1i \u0111a &#8211; gi\u1ea3i ph\u00f3ng t\u1ef1 ph\u00e1t). C\u00e1c t\u1ebf b\u00e0o NK c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB CD34+ cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng ti\u00eau di\u1ec7t t\u01b0\u01a1ng t\u1ef1 \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ebf b\u00e0o \u0111\u00edch K562 so v\u1edbi c\u00e1c t\u1ebf b\u00e0o NK PB. Hi\u1ec3n th\u1ecb l\u00e0 gi\u00e1 tr\u1ecb trung b\u00ecnh \u00b1 SD (c\u00e1c t\u1ebf b\u00e0o NK c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb CB CD34+: n = 18, c\u00e1c t\u1ebf b\u00e0o NK PB v\u00e0 c\u00e1c t\u1ebf b\u00e0o \u0111\u01a1n nh\u00e2n: n = 7).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan v\u1ec1 b\u1ed9 m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o NK Bi\u1ec7t h\u00f3a t\u1ebf b\u00e0o CD34+ \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb m\u00e1u cu\u1ed1ng r\u1ed1n (CB) v\u00e0 t\u1ee7y x\u01b0\u01a1ng (BM) th\u00e0nh t\u1ebf b\u00e0o gi\u1ebft t\u1ef1 nhi\u00ean (NK)\u2014m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng huy\u1ebft thanh ho\u1eb7c t\u1ebf b\u00e0o g\u1ed1c\u2014b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng B\u1ed9 m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o<\/p>\n<div class=\"klb-readmore post-buttons\"><a class=\"button rounded primary\" 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