{"id":8014,"date":"2023-07-17T15:23:59","date_gmt":"2023-07-17T07:23:59","guid":{"rendered":"https:\/\/www.huashu-tech.com\/?p=8014"},"modified":"2024-02-27T19:30:43","modified_gmt":"2024-02-27T11:30:43","slug":"designed-protein-switch-allows-unprecedented-control-over-living-cells","status":"publish","type":"post","link":"https:\/\/www.huashu-tech.com\/vi\/designed-protein-switch-allows-unprecedented-control-over-living-cells\/","title":{"rendered":"C\u00f4ng t\u1eafc protein \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u01b0a t\u1eebng c\u00f3 \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ebf b\u00e0o s\u1ed1ng"},"content":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u1ea1o ra c\u00f4ng t\u1eafc protein ho\u00e0n to\u00e0n nh\u00e2n t\u1ea1o \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ean trong t\u1ebf b\u00e0o s\u1ed1ng \u0111\u1ec3 s\u1eeda \u0111\u1ed5i \u2014 ho\u1eb7c th\u1eadm ch\u00ed ch\u1ec9 huy \u2014 m\u1ea1ch b\u00ean trong ph\u1ee9c t\u1ea1p c\u1ee7a t\u1ebf b\u00e0o.<\/p>\n

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C\u00f4ng t\u1eafc n\u00e0y c\u00f3 t\u00ean l\u00e0 LOCKR, vi\u1ebft t\u1eaft c\u1ee7a Latching, Orthogonal Cage\/Key pRotein.<\/p>\n

C\u00e1c b\u00e0i b\u00e1o \u0111i k\u00e8m \u0111\u0103ng ng\u00e0y 24\/7 tr\u00ean t\u1ea1p ch\u00ed\u00a0Thi\u00ean nhi\u00ean<\/i>\u00a0m\u00f4 t\u1ea3 thi\u1ebft k\u1ebf c\u1ee7a LOCKR v\u00e0 tr\u00ecnh di\u1ec5n m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng ngh\u1ec7. C\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt sinh h\u1ecdc do David Baker t\u1ea1i Vi\u1ec7n Thi\u1ebft k\u1ebf Protein UW v\u00e0 Hana El-Samad t\u1ea1i UC San Francisco d\u1eabn \u0111\u1ea7u.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y LOCKR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u201cl\u1eadp tr\u00ecnh\u201d \u0111\u1ec3 s\u1eeda \u0111\u1ed5i\u00a0bi\u1ec3u hi\u1ec7n gen<\/a>, chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng t\u1ebf b\u00e0o, l\u00e0m suy gi\u1ea3m c\u00e1c protein c\u1ee5 th\u1ec3 v\u00e0 ki\u1ec3m so\u00e1t\u00a0ch\u1ea5t \u0111\u1ea1m<\/a>\u00a0t\u01b0\u01a1ng t\u00e1c r\u00e0ng bu\u1ed9c. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng s\u1eed d\u1ee5ng LOCKR \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ch sinh h\u1ecdc m\u1edbi ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u1ea3m bi\u1ebfn t\u1ef1 \u0111\u1ed9ng. C\u00e1c m\u1ea1ch n\u00e0y ph\u00e1t hi\u1ec7n c\u00e1c t\u00edn hi\u1ec7u t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean trong ho\u1eb7c b\u00ean ngo\u00e0i t\u1ebf b\u00e0o v\u00e0 ph\u1ea3n h\u1ed3i b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi t\u1ebf b\u00e0o. \u0110i\u1ec1u n\u00e0y gi\u1ed1ng nh\u01b0 c\u00e1ch m\u1ed9t b\u1ed9 \u0111i\u1ec1u nhi\u1ec7t c\u1ea3m nh\u1eadn\u00a0nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh<\/a>\u00a0v\u00e0 ch\u1ec9 \u0111\u1ea1o h\u1ec7 th\u1ed1ng s\u01b0\u1edfi ho\u1eb7c l\u00e0m m\u00e1t t\u1ef1 t\u1eaft ngay khi \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 mong mu\u1ed1n.<\/p>\n

Sau khi \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p b\u1edfi m\u1ed9t t\u1ebf b\u00e0o, c\u00e1c c\u00f4ng t\u1eafc m\u1edbi n\u00e0y ch\u1ec9 c\u00f3 k\u00edch th\u01b0\u1edbc 8 nanomet \u1edf c\u1ea1nh d\u00e0i nh\u1ea5t c\u1ee7a ch\u00fang. C\u1ea7n h\u01a1n m\u1ed9t tr\u0103m tri\u1ec7u \u0111\u1ec3 trang tr\u1ea3i kho\u1ea3ng th\u1eddi gian \u1edf cu\u1ed1i c\u00e2u n\u00e0y.<\/p>\n

El-Samad, Gi\u00e1o s\u01b0 H\u00f3a sinh v\u00e0 L\u00fd sinh c\u1ee7a Gia \u0111\u00ecnh Kuo t\u1ea1i UCSF v\u00e0 \u0111\u1ed3ng t\u00e1c gi\u1ea3 c\u1ea5p cao c\u1ee7a b\u00e1o c\u00e1o cho bi\u1ebft: \u201cKh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ebf b\u00e0o b\u1eb1ng c\u00e1c protein thi\u1ebft k\u1ebf m\u1edf ra m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi c\u1ee7a sinh h\u1ecdc\u201d. \u201cC\u0169ng theo c\u00e1ch \u0111\u00f3\u00a0m\u1ea1ch t\u00edch h\u1ee3p<\/a>\u00a0\u0111\u00e3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p chip m\u00e1y t\u00ednh, nh\u1eefng c\u00f4ng t\u1eafc sinh h\u1ecdc linh ho\u1ea1t v\u00e0 n\u0103ng \u0111\u1ed9ng n\u00e0y c\u00f3 th\u1ec3 s\u1edbm m\u1edf kh\u00f3a kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ebf b\u00e0o s\u1ed1ng v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a ch\u00fang ta.\u201d<\/p>\n

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