{"id":22638,"date":"2025-10-21T06:30:27","date_gmt":"2025-10-20T23:30:27","guid":{"rendered":"https:\/\/nopphatnguoi.vn\/blog\/khoa-hoc-phat-trien-phuong-phap-moi-tang-cuong-tri-lieu-tai-tao-xuong\/"},"modified":"2025-10-21T06:30:28","modified_gmt":"2025-10-20T23:30:28","slug":"khoa-hoc-phat-trien-phuong-phap-moi-tang-cuong-tri-lieu-tai-tao-xuong","status":"publish","type":"post","link":"https:\/\/nopphatnguoi.vn\/blog\/khoa-hoc-phat-trien-phuong-phap-moi-tang-cuong-tri-lieu-tai-tao-xuong\/","title":{"rendered":"Khoa h\u1ecdc ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p m\u1edbi t\u0103ng c\u01b0\u1eddng tr\u1ecb li\u1ec7u t\u00e1i t\u1ea1o x\u01b0\u01a1ng"},"content":{"rendered":"<div>\n<p>C&aacute;c nh&agrave; khoa h&#7885;c t&#7841;i Northwestern Medicine &#273;&atilde; &#273;&#7841;t &#273;&#432;&#7907;c m&#7897;t b&#432;&#7899;c ti&#7871;n quan tr&#7885;ng trong l&#297;nh v&#7921;c k&#7929; thu&#7853;t t&aacute;i t&#7841;o x&#432;&#417;ng v&#7899;i vi&#7879;c ph&aacute;t tri&#7875;n m&#7897;t ph&#432;&#417;ng ph&aacute;p m&#7899;i &#273;&#7875; t&#259;ng c&#432;&#7901;ng qu&aacute; tr&igrave;nh l&agrave;nh v&#7871;t th&#432;&#417;ng. Nghi&ecirc;n c&#7913;u n&agrave;y, &#273;&#432;&#7907;c c&ocirc;ng b&#7889; tr&ecirc;n t&#7841;p ch&iacute; Nature Communications, tr&igrave;nh b&agrave;y m&#7897;t k&#7929; thu&#7853;t ti&ecirc;n ti&#7871;n c&oacute; th&#7875; c&aacute;ch m&#7841;ng h&oacute;a thi&#7871;t k&#7871; c&#7911;a c&aacute;c implant ch&#7881;nh h&igrave;nh v&agrave; s&#7885; m&#7863;t.<\/p>\n<p>T&#7893;n th&#432;&#417;ng m&ocirc; do ch&#7845;n th&#432;&#417;ng l&agrave; m&#7897;t v&#7845;n &#273;&#7873; ph&#7893; bi&#7871;n v&agrave; ph&#7913;c t&#7841;p. &#272;&#7875; gi&#7843;i quy&#7871;t v&#7845;n &#273;&#7873; n&agrave;y, c&aacute;c nh&agrave; nghi&ecirc;n c&#7913;u &#273;&atilde; t&igrave;m ki&#7871;m gi&#7843;i ph&aacute;p gi&uacute;p ph&#7909;c h&#7891;i c&aacute;c khuy&#7871;t t&#7853;t b&#7857;ng c&aacute;ch s&#7917; d&#7909;ng m&ocirc; t&#7921; nhi&ecirc;n c&#7911;a c&#417; th&#7875;. Ti&#7871;n s&#297; Guillermo Ameer, gi&aacute;o s&#432; Daniel Hale Williams c&#7911;a K&#7929; thu&#7853;t Y sinh v&agrave; Ph&#7851;u thu&#7853;t t&#7841;i Northwestern Medicine, ng&#432;&#7901;i &#273;&#7913;ng &#273;&#7847;u Vi&#7879;n K&#7929; thu&#7853;t t&aacute;i t&#7841;o Querrey Simpson, cho bi&#7871;t: &#8220;&#272;&#7875; thay th&#7871; m&ocirc;, &#273;&ocirc;i khi ch&uacute;ng ta s&#7917; d&#7909;ng nh&#7921;a ho&#7863;c kim lo&#7841;i &#273;&#7875; l&#7845;p &#273;&#7847;y c&aacute;c khuy&#7871;t t&#7853;t th&#432;&#7901;ng h&igrave;nh th&agrave;nh khi m&ocirc; b&#7883; m&#7845;t. &#272;i&#7873;u m&agrave; ch&uacute;ng t&ocirc;i &#273;ang c&#7889; g&#7855;ng l&agrave;m v&#7899;i y h&#7885;c t&aacute;i t&#7841;o l&agrave; gi&uacute;p ph&#7909;c h&#7891;i khuy&#7871;t t&#7853;t &#273;&oacute; b&#7857;ng m&ocirc; t&#7921; nhi&ecirc;n &#8211; v&#7873; c&#417; b&#7843;n l&agrave; m&ocirc; c&#7911;a ch&iacute;nh b&#7841;n.&#8221;<\/p>\n<p>Tr&#432;&#7899;c &#273;&acirc;y, nh&oacute;m nghi&ecirc;n c&#7913;u c&#7911;a ti&#7871;n s&#297; Ameer &#273;&atilde; ph&aacute;t tri&#7875;n c&aacute;c implant s&aacute;ng t&#7841;o v&#7899;i b&#7873; m&#7863;t micropillar &#273;&#432;&#7907;c thi&#7871;t k&#7871; &#273;&#7897;c &#273;&aacute;o. C&aacute;c micropillar n&agrave;y c&oacute; kh&#7843; n&#259;ng bi&#7871;n d&#7841;ng v&#7853;t l&yacute; nh&acirc;n t&#7871; b&agrave;o c&#7911;a c&aacute;c t&#7871; b&agrave;o g&#7889;c trung m&ocirc; (MSCs) g&#7855;n v&agrave;o ch&uacute;ng. Tuy nhi&ecirc;n, nghi&ecirc;n c&#7913;u m&#7899;i n&agrave;y &#273;&atilde; ti&#7871;t l&#7897; m&#7897;t ph&aacute;t hi&#7879;n quan tr&#7885;ng: c&aacute;c t&#7871; b&agrave;o b&#7883; bi&#7871;n &#273;&#7893;i kh&ocirc;ng ch&#7881; thay &#273;&#7893;i s&#7889; ph&#7853;n n&#7897;i b&#7897; c&#7911;a ch&uacute;ng m&agrave; c&ograve;n b&#7855;t &#273;&#7847;u ti&#7871;t ra c&aacute;c protein t&#259;ng c&#432;&#7901;ng s&#7921; ph&aacute;t tri&#7875;n c&#7911;a x&#432;&#417;ng &#7903; c&aacute;c t&#7871; b&agrave;o l&acirc;n c&#7853;n.<\/p>\n<p>C&aacute;c nh&agrave; &#273;i&#7873;u tra &#273;&atilde; ph&acirc;n t&iacute;ch c&aacute;c implant &#273;&#432;&#7907;c t&#7841;o ra trong qu&aacute; tr&igrave;nh ph&aacute;t tri&#7875;n x&#432;&#417;ng v&agrave; ph&aacute;t hi&#7879;n ra r&#7857;ng khi MSCs tr&#7843;i qua s&#7921; bi&#7871;n d&#7841;ng nh&acirc;n do micropillar, ch&uacute;ng t&#259;ng ti&#7871;t ra c&aacute;c protein t&#7893; ch&#7913;c m&#7841;ng l&#432;&#7899;i ngo&#7841;i b&agrave;o &#8211; m&#7841;ng l&#432;&#7899;i c&#7845;u tr&uacute;c h&#7895; tr&#7907; m&ocirc;. Qu&aacute; tr&igrave;nh n&agrave;y th&uacute;c &#273;&#7849;y s&#7921; h&igrave;nh th&agrave;nh x&#432;&#417;ng &#7903; MSCs g&#7847;n &#273;&oacute;, ngay c&#7843; khi c&aacute;c t&#7871; b&agrave;o &#273;&oacute; kh&ocirc;ng tr&#7921;c ti&#7871;p ti&#7871;p x&uacute;c v&#7899;i implant.<\/p>\n<p>&#272;&#7875; ki&#7875;m tra ti&#7873;m n&#259;ng th&#7921;c t&#7871; c&#7911;a ph&aacute;t hi&#7879;n n&agrave;y, nh&oacute;m nghi&ecirc;n c&#7913;u &#273;&atilde; c&#7845;y gh&eacute;p c&aacute;c thi&#7871;t b&#7883; micropillar v&agrave;o chu&#7897;t v&#7899;i c&aacute;c khuy&#7871;t t&#7853;t x&#432;&#417;ng s&#7885;. K&#7871;t qu&#7843; cho th&#7845;y r&#7857;ng c&aacute;c MSCs bi&#7871;n d&#7841;ng nh&acirc;n tr&ecirc;n implant &#273;&atilde; t&#259;ng bi&#7875;u hi&#7879;n c&#7911;a Col1a2, m&#7897;t gen thi&#7871;t y&#7871;u cho s&#7843;n xu&#7845;t collagen v&agrave; h&igrave;nh th&agrave;nh ma tr&#7853;n x&#432;&#417;ng. &#272;i&#7873;u n&agrave;y d&#7851;n &#273;&#7871;n s&#7921; t&aacute;i t&#7841;o x&#432;&#417;ng t&#259;ng c&#432;&#7901;ng &#7903; khu v&#7921;c khuy&#7871;t t&#7853;t.<\/p>\n<p>Nh&#7919;ng ph&aacute;t hi&#7879;n n&agrave;y nh&#7845;n m&#7841;nh m&#7897;t hi&#7879;n t&#432;&#7907;ng &#273;&#432;&#7907;c g&#7885;i l&agrave; t&iacute;n hi&#7879;u matricrine, trong &#273;&oacute; c&aacute;c t&#7871; b&agrave;o &#7843;nh h&#432;&#7903;ng l&#7851;n nhau th&ocirc;ng qua c&aacute;c thay &#273;&#7893;i trong ma tr&#7853;n ngo&#7841;i b&agrave;o thay v&igrave; ti&#7871;p x&uacute;c tr&#7921;c ti&#7871;p ho&#7863;c c&aacute;c ph&acirc;n t&#7917; t&iacute;n hi&#7879;u truy&#7873;n th&#7889;ng. Ti&#7871;n s&#297; Ameer cho bi&#7871;t: &#8220;&#7902; &#273;&acirc;y, ch&uacute;ng t&ocirc;i &#273;&atilde; x&aacute;c &#273;&#7883;nh &#273;&#432;&#7907;c m&#7897;t c&#417; ch&#7871; m&agrave; qua &#273;&oacute; qu&aacute; tr&igrave;nh n&agrave;y c&oacute; th&#7875; th&uacute;c &#273;&#7849;y s&#7921; h&igrave;nh th&agrave;nh x&#432;&#417;ng m&#7899;i &#7903; c&aacute;c t&#7871; b&agrave;o g&#7847;n &#273;&oacute; kh&ocirc;ng tr&#7921;c ti&#7871;p ti&#7871;p x&uacute;c v&#7899;i micropillar.&#8221;<\/p>\n<p>Nghi&ecirc;n c&#7913;u n&agrave;y m&#7903; ra nh&#7919;ng h&#432;&#7899;ng &#273;i m&#7899;i cho vi&#7879;c thi&#7871;t k&#7871; c&aacute;c implant kh&ocirc;ng ch&#7881; h&#7895; tr&#7907; m&ocirc; m&#7897;t c&aacute;ch c&#7845;u tr&uacute;c m&agrave; c&ograve;n t&iacute;ch c&#7921;c h&#432;&#7899;ng d&#7851;n qu&aacute; tr&igrave;nh l&agrave;nh v&#7871;t th&#432;&#417;ng th&ocirc;ng qua giao ti&#7871;p t&#7871; b&agrave;o. Trong t&#432;&#417;ng lai, c&aacute;c nghi&ecirc;n c&#7913;u c&oacute; th&#7875; kh&aacute;m ph&aacute; c&aacute;ch ti&#7871;p c&#7853;n n&agrave;y c&oacute; th&#7875; &#273;&#432;&#7907;c &#273;i&#7873;u ch&#7881;nh cho c&aacute;c m&ocirc; kh&aacute;c, ch&#7859;ng h&#7841;n nh&#432; s&#7909;n. Ti&#7871;n s&#297; Ameer c&#361;ng cho bi&#7871;t: &#8220;M&#7845;t s&#7909;n l&agrave; m&#7897;t v&#7845;n &#273;&#7873; l&#7899;n, &#273;&#7863;c bi&#7879;t l&agrave; trong vi&ecirc;m kh&#7899;p. C&#417; th&#7875; kh&ocirc;ng th&#7875; t&#7921; t&aacute;i t&#7841;o s&#7909;n. Nh&#432;ng ch&uacute;ng t&ocirc;i c&oacute; nghi&ecirc;n c&#7913;u cho th&#7845;y r&#7857;ng ch&uacute;ng t&ocirc;i c&oacute; th&#7875; s&#7917; d&#7909;ng ph&#432;&#417;ng ph&aacute;p in 3D &#273;&#7875; gi&uacute;p qu&aacute; tr&igrave;nh &#273;&oacute;.&#8221;<\/p>\n<p>Nghi&ecirc;n c&#7913;u n&agrave;y &#273;&#432;&#7907;c h&#7895; tr&#7907; b&#7903;i gi&#7843;i th&#432;&#7903;ng Emerging Frontiers in Research and Innovation c&#7911;a Qu&#7929; Khoa h&#7885;c Qu&#7889;c gia s&#7889; 1830968, c&#361;ng nh&#432; kho&#7843;n t&agrave;i tr&#7907; EFMA-1830961. Ngo&agrave;i ra, c&ograve;n &#273;&#432;&#7907;c cung c&#7845;p b&#7903;i c&aacute;c kho&#7843;n t&agrave;i tr&#7907; c&#7911;a Vi&#7879;n Y t&#7871; Qu&#7889;c gia s&#7889; U54CA268084, R01CA228272 v&agrave; R01DE030480.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Northwestern Medicine \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng li\u1ec7u ph\u00e1p t\u00e1i t\u1ea1o x\u01b0\u01a1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea5y gh\u00e9p micropillar v\u1edbi c\u00e1c t\u1ebf b\u00e0o g\u1ed1c trung m\u00f4 (MSCs) b\u1ecb bi\u1ebfn d\u1ea1ng. C\u00e1c t\u1ebf b\u00e0o b\u1ecb bi\u1ebfn d\u1ea1ng ti\u1ebft ra c\u00e1c protein th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh x\u01b0\u01a1ng \u1edf MSCs g\u1ea7n \u0111\u00f3, ngay c\u1ea3 khi c\u00e1c t\u1ebf b\u00e0o \u0111\u00f3 kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi c\u1ea5y gh\u00e9p. Ph\u00e1t hi\u1ec7n n\u00e0y l\u00e0m n\u1ed5i b\u1eadt t\u00edn hi\u1ec7u matricrine, trong \u0111\u00f3 c\u00e1c t\u1ebf b\u00e0o \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau th\u00f4ng qua c\u00e1c thay \u0111\u1ed5i trong ma tr\u1eadn ngo\u1ea1i b\u00e0o ch\u1ee9 kh\u00f4ng ph\u1ea3i ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp ho\u1eb7c c\u00e1c ph\u00e2n t\u1eed t\u00edn hi\u1ec7u truy\u1ec1n th\u1ed1ng.<\/p>\n","protected":false},"author":1,"featured_media":22639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[3],"tags":[8995,1455,2418,17329,17330],"class_list":["post-22638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thoi-su","tag-cay-ghep","tag-khoa-hoc","tag-protein","tag-tai-tao-xuong","tag-te-bao-goc"],"_links":{"self":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/22638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/comments?post=22638"}],"version-history":[{"count":0,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/posts\/22638\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media\/22639"}],"wp:attachment":[{"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/media?parent=22638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/categories?post=22638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nopphatnguoi.vn\/blog\/wp-json\/wp\/v2\/tags?post=22638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}