{"id":6590,"date":"2012-10-12T03:11:46","date_gmt":"2012-10-11T20:11:46","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2105"},"modified":"2012-10-12T03:11:46","modified_gmt":"2012-10-11T20:11:46","slug":"nobel-hoa-hoc-2012-ven-man-bi-mat-te-bao","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nobel-hoa-hoc-2012-ven-man-bi-mat-te-bao\/","title":{"rendered":"Nobel H\u00f3a h\u1ecdc 2012: V\u00e9n m\u00e0n b\u00ed m\u1eadt t\u1ebf b\u00e0o"},"content":{"rendered":"<div class=\"TomTat clearfix\">\n<p>Hai nh\u00e0 khoa h\u1ecdc M\u1ef9 Robert Lefkowitz v\u00e0 Brian Kobilka nh\u1eadn gi\u1ea3i Nobel H\u00f3a h\u1ecdc 2012 nh\u1edd nh\u1eefng kh\u00e1m ph\u00e1 v\u1ec1 th\u1ee5 th\u1ec3 li\u00ean k\u1ebft v\u1edbi protein G (GPCR).<\/p>\n<p>\u0110\u0103ng ng\u00e0y\u00a012-10-2012\u00a0trong chuy\u00ean m\u1ee5c\u00a0<a href=\"http:\/\/antoansinhhoc.vn\/Chuyen-muc\/Tin-the-gioi\/260\/1\">Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<p>C\u00e1c th\u1ee5 th\u1ec3 n\u00e0y gi\u00fap t\u1ebf b\u00e0o c\u1ea3m nh\u1eadn v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1ec3 th\u00edch nghi v\u1edbi nh\u1eefng thay \u0111\u1ed5i c\u1ee7a m\u00f4i tr\u01b0\u1eddng. Tr\u00ean trang m\u1ea1ng Nobelprize.org, \u1ee6y ban Nobel \u0111\u00e1nh gi\u00e1: \u201cTrong m\u1ed9t th\u1eddi gian d\u00e0i, ph\u01b0\u01a1ng th\u1ee9c c\u00e1c t\u1ebf b\u00e0o c\u1ea3m nh\u1eadn m\u00f4i tr\u01b0\u1eddng t\u1eebng l\u00e0 \u0111i\u1ec1u b\u00ed m\u1eadt. Nh\u1edd v\u00e0o c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd, ch\u00fang ta \u0111\u00e3 hi\u1ec3u v\u1ec1 GPCR v\u00e0 c\u01a1 ch\u1ebf t\u00e1c \u0111\u1ed9ng qua l\u1ea1i gi\u1eefa h\u00e0ng t\u1ec9 t\u1ebf b\u00e0o c\u1ee7a c\u01a1 th\u1ec3\u201d.<\/p>\n<p>Protein G n\u1eb1m \u1edf m\u00e0ng t\u1ebf b\u00e0o v\u00e0 \u0111\u00f3ng vai tr\u00f2 ch\u00ednh y\u1ebfu trong vi\u1ec7c trao \u0111\u1ed5i th\u00f4ng tin gi\u1eefa c\u00e1c t\u1ebf b\u00e0o. C\u00e1c GPCR c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c h\u00e0ng ng\u00e0n th\u00f4ng tin b\u00ean ngo\u00e0i, nh\u01b0 m\u00f9i v\u1ecb, \u00e1nh s\u00e1ng, hormone, amino a x\u00edt&#8230; \u0111\u1ec3 k\u00edch th\u00edch qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eabn t\u00edn hi\u1ec7u \u1edf protein G, gi\u00fap t\u1ebf b\u00e0o c\u00f3 ph\u1ea3n \u1ee9ng th\u00edch h\u1ee3p.<\/p>\n<p>Ch\u1eb3ng h\u1ea1n, khi c\u1ea3m th\u1ea5y b\u1ecb \u0111e d\u1ecda, n\u00e3o b\u1ed9 ng\u01b0\u1eddi s\u1ebd truy\u1ec1n t\u00edn hi\u1ec7u xu\u1ed1ng tuy\u1ebfn th\u01b0\u1ee3ng th\u1eadn, tuy\u1ebfn n\u00e0y s\u1ebd ti\u1ebft ra nhi\u1ec1u lo\u1ea1i hormone nh\u01b0 adrenaline, cortisol g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u01a1 quan kh\u00e1c: \u0111\u01b0\u1eddng trong m\u00e1u t\u0103ng, m\u1ea1ch m\u00e1u gi\u00e3n, ph\u1ebf qu\u1ea3n m\u1edf r\u1ed9ng&#8230; \u0110\u1ec3 t\u1ebf b\u00e0o c\u1ee7a nh\u1eefng c\u01a1 quan kh\u00e1c nhau c\u00f3 th\u1ec3 \u201cph\u1ed1i h\u1ee3p\u201d nh\u1ecbp nh\u00e0ng nh\u01b0 th\u1ebf ch\u00ednh l\u00e0 nh\u1edd b\u1ed9 \u0111\u00f4i protein G v\u00e0 GPCR.<\/p>\n<table>\n<tbody>\n<tr>\n<td>Gi\u00e1o s\u01b0 Robert Lefkowitz (tr\u00e1i) v\u00e0 Brian Kobilka v\u1eeba \u0111\u01b0\u1ee3c vinh danh &#8211; \u1ea2nh: AFP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nhi\u1ec1u b\u1ec7nh nh\u01b0 ung th\u01b0, ti\u1ec3u \u0111\u01b0\u1eddng hay ch\u1ee9ng nghi\u1ec7n r\u01b0\u1ee3u \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng c\u00f3 li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng lo\u1ea1n n\u0103ng c\u1ee7a protein G v\u00e0 GPCR. Theo \u1ee6y ban Nobel, kho\u1ea3ng 50% d\u01b0\u1ee3c ph\u1ea9m hi\u1ec7n nay \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf d\u1ef1a tr\u00ean nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 GPCR, \u0111\u1eb7c bi\u1ec7t l\u00e0 thu\u1ed1c ch\u1ed1ng d\u1ecb \u1ee9ng v\u00e0 thu\u1ed1c an th\u1ea7n. Hi\u1ec3u r\u00f5 v\u1ec1 nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u1ea5u t\u1ea1o h\u00f3a h\u1ecdc c\u1ee7a nh\u1eefng th\u1ee5 th\u1ec3 n\u00e0y s\u1ebd gi\u00fap t\u00ecm ra nh\u1eefng lo\u1ea1i thu\u1ed1c hi\u1ec7u qu\u1ea3 cao h\u01a1n v\u00e0 \u00edt t\u00e1c d\u1ee5ng ph\u1ee5 h\u01a1n.<\/p>\n<p>Nh\u00e0 khoa h\u1ecdc Robert Lefkowitz, 69 tu\u1ed5i, l\u00e0 gi\u00e1o s\u01b0 h\u00f3a sinh c\u1ee7a \u0110H Duke (bang North Calorina) v\u00e0 Vi\u1ec7n Y h\u1ecdc Howard Hugues (ngo\u1ea1i \u00f4 th\u1ee7 \u0111\u00f4 Washington). C\u00f2n Gi\u00e1o s\u01b0 Brian Kobilka hi\u1ec7n \u0111ang nghi\u00ean c\u1ee9u v\u00e0 gi\u1ea3ng d\u1ea1y v\u1ec1 sinh l\u00fd h\u1ecdc ph\u00e2n t\u1eed v\u00e0 t\u1ebf b\u00e0o t\u1ea1i \u0110H Stanford (California). T\u1eeb n\u0103m 1968, Gi\u00e1o s\u01b0 Lefkowitz kh\u00f4ng ng\u1eebng n\u1ed7 l\u1ef1c \u201ctruy t\u00ecm d\u1ea5u v\u1ebft\u201d c\u1ee7a nhi\u1ec1u th\u1ee5 th\u1ec3 \u1edf m\u00e0ng t\u1ebf b\u00e0o, trong \u0111\u00f3 c\u00f3 th\u1ee5 th\u1ec3 c\u1ee7a adrenaline.<\/p>\n<p>Nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a \u00f4ng \u0111\u00e3 gi\u00fap Gi\u00e1o s\u01b0 Kobilka t\u00e1ch ra gien m\u00e3 h\u00f3a cho th\u1ee5 th\u1ec3 c\u1ee7a adrenaline v\u00e0o th\u1eadp ni\u00ean 1980. Khi ph\u00e2n t\u00edch gien n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n th\u1ee5 th\u1ec3 \u1edf m\u00e0ng t\u1ebf b\u00e0o c\u00f3 nhi\u1ec1u \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi th\u1ee5 th\u1ec3 m\u00e0 m\u1eaft d\u00f9ng \u0111\u1ec3 ti\u1ebfp nh\u1eadn \u00e1nh s\u00e1ng. T\u1eeb \u0111\u00f3, h\u1ecd hi\u1ec3u r\u1eb1ng nh\u1eefng th\u1ee5 th\u1ec3 n\u00f3i tr\u00ean \u0111\u1ec1u thu\u1ed9c m\u1ed9t nh\u00f3m chung, chuy\u00ean li\u00ean k\u1ebft v\u1edbi protein G.<\/p>\n<p><strong>Theo Lan Chi &#8211; http:\/\/www.thanhnien.com.vn<\/strong><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hai nh\u00e0 khoa h\u1ecdc M\u1ef9 Robert Lefkowitz v\u00e0 Brian Kobilka nh\u1eadn gi\u1ea3i Nobel H\u00f3a h\u1ecdc 2012 nh\u1edd nh\u1eefng kh\u00e1m ph\u00e1 v\u1ec1 th\u1ee5 th\u1ec3 li\u00ean k\u1ebft v\u1edbi protein G (GPCR). \u0110\u0103ng ng\u00e0y\u00a012-10-2012\u00a0trong chuy\u00ean m\u1ee5c\u00a0Tin th\u1ebf gi\u1edbi C\u00e1c th\u1ee5 th\u1ec3 n\u00e0y gi\u00fap t\u1ebf b\u00e0o c\u1ea3m nh\u1eadn v\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1ec3 th\u00edch nghi v\u1edbi nh\u1eefng thay \u0111\u1ed5i c\u1ee7a [&#8230;]\n","protected":false},"author":1,"featured_media":6446,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6590"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=6590"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6590\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6446"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}