{"id":3674,"date":"2020-03-23T14:37:09","date_gmt":"2020-03-23T07:37:09","guid":{"rendered":"http:\/\/new.vientebaogoc.edu.vn\/?post_type=blog_post&p=1167"},"modified":"2024-11-24T07:58:41","modified_gmt":"2024-11-24T00:58:41","slug":"giua-su-song-va-cai-chet-cac-nha-khoa-hoc-da-co-the-hoi-sinh-te-bao-trong-nao-lon-da-chet","status":"publish","type":"post","link":"https:\/\/sci.edu.vn\/home\/blog\/2020\/03\/23\/giua-su-song-va-cai-chet-cac-nha-khoa-hoc-da-co-the-hoi-sinh-te-bao-trong-nao-lon-da-chet\/","title":{"rendered":"Gi\u1eefa s\u1ef1 s\u1ed1ng v\u00e0 c\u00e1i ch\u1ebft: C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 h\u1ed3i sinh t\u1ebf b\u00e0o trong n\u00e3o l\u1ee3n \u0111\u00e3 ch\u1ebft"},"content":{"rendered":"\n

Trong m\u1ed9t nghi\u00ean c\u1ee9u nh\u1eb1m \u0111\u01b0a ra c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u1ec1 s\u1ef1 ch\u1ebft n\u00e3o, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o tr\u1edf l\u1ea1i v\u1edbi s\u1ef1 s\u1ed1ng – ho\u1eb7c g\u1ea7n nh\u01b0 v\u1eady. Nghi\u00ean c\u1ee9u n\u00e0y c\u00f3 th\u1ec3 n\u00f3i \u0111\u00e3 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi s\u00e2u s\u1eafc v\u1ec1 ranh gi\u1edbi gi\u1eefa s\u1ef1 s\u1ed1ng v\u00e0 c\u00e1i ch\u1ebft<\/em><\/strong><\/p>\n\n\n\n

.B\u1ed9 n\u00e3o c\u1ee7a l\u1ee3n \u0111\u00e3 b\u1ecb gi\u1ebft m\u1ed5 kh\u00f4ng l\u1ea5y l\u1ea1i \u0111\u01b0\u1ee3c d\u00f9 ch\u1ec9 m\u1ed9t ph\u1ea7n \u00fd th\u1ee9c: kh\u00f4ng c\u00f3 b\u1ea5t c\u1ee9 d\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y t\u00edn hi\u1ec7u \u0111i\u1ec7n ph\u1ed1i h\u1ee3p (ch\u00fang c\u1ea7n cho c\u00e1c ch\u1ee9c n\u0103ng cao h\u01a1n nh\u01b0 nh\u1eadn th\u1ee9c v\u00e0 tr\u00ed th\u00f4ng minh). Tuy nhi\u00ean, trong m\u1ed9t \u0111i\u1ec1u tr\u1ecb th\u1eed nghi\u1ec7m, c\u00e1c m\u1ea1ch m\u00e1u \u1edf n\u00e3o l\u1ee3n b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o n\u00e3o \u0111\u00e3 b\u1eaft \u0111\u1ea7u trao \u0111\u1ed5i ch\u1ea5t tr\u1edf l\u1ea1i, th\u1eadm ch\u00ed ph\u1ea3n \u1ee9ng v\u1edbi thu\u1ed1c. Khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u th\u00ed nghi\u1ec7m tr\u00ean c\u00e1c l\u00e1t m\u00f4 n\u00e3o, h\u1ecd ph\u00e1t hi\u1ec7n ra xung \u0111i\u1ec7n h\u00f3a \u1edf m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o th\u1ea7n kinh.
Th\u00ed nghi\u1ec7m c\u00f2n s\u01a1 khai v\u00e0 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a ngay l\u1eadp t\u1ee9c trong \u0111i\u1ec1u tr\u1ecb ch\u1ea5n th\u01b0\u01a1ng n\u00e3o \u1edf ng\u01b0\u1eddi. Nh\u01b0ng ch\u00ednh \u00fd t\u01b0\u1edfng cho r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a n\u00e3o c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i sau khi ch\u1ebft l\u1ea1i m\u00e2u thu\u1eabn v\u1edbi ni\u1ec1m tin v\u1ed1n c\u00f3 trong y h\u1ecdc v\u1ec1 n\u1ed9i t\u1ea1ng v\u00e0 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi mang t\u00ednh si\u00eau nhi\u00ean.
Nghi\u00ean c\u1ee9u v\u1eeba m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 \u0111\u00e3 x\u00e1c nh\u1eadn m\u1ed9t l\u1ea7n n\u1eefa r\u1eb1ng ch\u00fang ta bi\u1ebft qu\u00e1 \u00edt v\u1ec1 n\u00e3o c\u0169ng nh\u01b0 t\u00ecnh tr\u1ea1ng \u201cch\u1ebft n\u00e3o\u201d.<\/strong>
C\u00e1c nh\u00e0 sinh h\u1ecdc nh\u01b0 Ti\u1ebfn s\u0129 Farahany \u0111\u00e3 th\u1eadt s\u1ef1 b\u1ea5t ng\u1edd v\u00e0 b\u1ecb thu h\u00fat b\u1edfi ph\u00e1t hi\u1ec7n v\u1eeba \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature. \u201cN\u00f3 th\u1eadt s\u1ef1 r\u1ea5t b\u1ea5t ng\u1edd\u201d Jonathan Moreno, m\u1ed9t nh\u00e0 \u0111\u1ea1o \u0111\u1ee9c sinh h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Pennsylvania cho bi\u1ebft. \u201cN\u1ebfu c\u00f3 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd trong c\u1ed9ng \u0111\u1ed3ng v\u1ec1 \u0111\u1ea1o \u0111\u1ee9c khoa h\u1ecdc v\u00e0 y h\u1ecdc, th\u00ec ch\u00ednh l\u00e0 n\u00f3.\u201d Cho \u0111\u1ebfn b\u00e2y gi\u1edd, ng\u01b0\u1eddi ta v\u1eabn cho r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 n\u00e3o suy gi\u1ea3m nhanh ch\u00f3ng khi ngu\u1ed3n cung c\u1ea5p m\u00e1u b\u1ecb c\u1eaft \u0111\u1ee9t. C\u00e1c t\u1ebf b\u00e0o tr\u1edf n\u00ean x\u1ea5u \u0111i, v\u00e0 c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh b\u1ecb v\u1ee1 v\u1ee5n. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn lu\u00f4n tin r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i \u0111\u00f3 l\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c tr\u1eeb khi m\u00e1u \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i nhanh ch\u00f3ng.
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Yale \u0111\u00e3 mua \u0111\u01b0\u1ee3c \u0111\u1ea7u c\u1ee7a 32 con l\u1ee3n b\u1ecb gi\u1ebft \u0111\u1ec3 l\u1ea5y th\u1ecbt. Sau \u0111\u00f3, h\u1ecd c\u01b0a h\u1ed9p s\u1ecd v\u00e0 lo\u1ea1i b\u1ecf b\u1ed9 n\u00e3o. V\u00e0o th\u1eddi \u0111i\u1ec3m th\u00ed nghi\u1ec7m b\u1eaft \u0111\u1ea7u, b\u1ed9 n\u00e3o \u0111\u00e3 kh\u00f4ng c\u00f2n m\u00e1u v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng trong b\u1ed1n gi\u1edd. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 t\u00ean BrainEx nh\u1eb1m b\u01a1m m\u1ed9t dung d\u1ecbch v\u00e0o b\u1ed9 n\u00e3o c\u00f2n nguy\u00ean v\u1eb9n c\u1ee7a l\u1ee3n. H\u1ecd hy v\u1ecdng c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd gi\u00fap ch\u1ec9 ra c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb m\u1edbi cho \u0111\u1ed9t qu\u1ef5, ch\u1ea5n th\u01b0\u01a1ng s\u1ecd n\u00e3o v\u00e0 c\u00e1c b\u1ec7nh nh\u01b0 Alzheimer.
<\/p>\n\n\n\n

.B\u1ed9 n\u00e3o c\u1ee7a l\u1ee3n \u0111\u00e3 b\u1ecb gi\u1ebft m\u1ed5 kh\u00f4ng l\u1ea5y l\u1ea1i \u0111\u01b0\u1ee3c d\u00f9 ch\u1ec9 m\u1ed9t ph\u1ea7n \u00fd th\u1ee9c: kh\u00f4ng c\u00f3 b\u1ea5t c\u1ee9 d\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y t\u00edn hi\u1ec7u \u0111i\u1ec7n ph\u1ed1i h\u1ee3p (ch\u00fang c\u1ea7n cho c\u00e1c ch\u1ee9c n\u0103ng cao h\u01a1n nh\u01b0 nh\u1eadn th\u1ee9c v\u00e0 tr\u00ed th\u00f4ng minh). Tuy nhi\u00ean, trong m\u1ed9t \u0111i\u1ec1u tr\u1ecb th\u1eed nghi\u1ec7m, c\u00e1c m\u1ea1ch m\u00e1u \u1edf n\u00e3o l\u1ee3n b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o n\u00e3o \u0111\u00e3 b\u1eaft \u0111\u1ea7u trao \u0111\u1ed5i ch\u1ea5t tr\u1edf l\u1ea1i, th\u1eadm ch\u00ed ph\u1ea3n \u1ee9ng v\u1edbi thu\u1ed1c. Khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u th\u00ed nghi\u1ec7m tr\u00ean c\u00e1c l\u00e1t m\u00f4 n\u00e3o, h\u1ecd ph\u00e1t hi\u1ec7n ra xung \u0111i\u1ec7n h\u00f3a \u1edf m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o th\u1ea7n kinh.
Th\u00ed nghi\u1ec7m c\u00f2n s\u01a1 khai v\u00e0 kh\u00f4ng c\u00f3 \u00fd ngh\u0129a ngay l\u1eadp t\u1ee9c trong \u0111i\u1ec1u tr\u1ecb ch\u1ea5n th\u01b0\u01a1ng n\u00e3o \u1edf ng\u01b0\u1eddi. Nh\u01b0ng ch\u00ednh \u00fd t\u01b0\u1edfng cho r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a n\u00e3o c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i sau khi ch\u1ebft l\u1ea1i m\u00e2u thu\u1eabn v\u1edbi ni\u1ec1m tin v\u1ed1n c\u00f3 trong y h\u1ecdc v\u1ec1 n\u1ed9i t\u1ea1ng v\u00e0 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi mang t\u00ednh si\u00eau nhi\u00ean.
Nghi\u00ean c\u1ee9u v\u1eeba m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 \u0111\u00e3 x\u00e1c nh\u1eadn m\u1ed9t l\u1ea7n n\u1eefa r\u1eb1ng ch\u00fang ta bi\u1ebft qu\u00e1 \u00edt v\u1ec1 n\u00e3o c\u0169ng nh\u01b0 t\u00ecnh tr\u1ea1ng \u201cch\u1ebft n\u00e3o\u201d.<\/strong>
C\u00e1c nh\u00e0 sinh h\u1ecdc nh\u01b0 Ti\u1ebfn s\u0129 Farahany \u0111\u00e3 th\u1eadt s\u1ef1 b\u1ea5t ng\u1edd v\u00e0 b\u1ecb thu h\u00fat b\u1edfi ph\u00e1t hi\u1ec7n v\u1eeba \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature. \u201cN\u00f3 th\u1eadt s\u1ef1 r\u1ea5t b\u1ea5t ng\u1edd\u201d Jonathan Moreno, m\u1ed9t nh\u00e0 \u0111\u1ea1o \u0111\u1ee9c sinh h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Pennsylvania cho bi\u1ebft. \u201cN\u1ebfu c\u00f3 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd trong c\u1ed9ng \u0111\u1ed3ng v\u1ec1 \u0111\u1ea1o \u0111\u1ee9c khoa h\u1ecdc v\u00e0 y h\u1ecdc, th\u00ec ch\u00ednh l\u00e0 n\u00f3.\u201d Cho \u0111\u1ebfn b\u00e2y gi\u1edd, ng\u01b0\u1eddi ta v\u1eabn cho r\u1eb1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 n\u00e3o suy gi\u1ea3m nhanh ch\u00f3ng khi ngu\u1ed3n cung c\u1ea5p m\u00e1u b\u1ecb c\u1eaft \u0111\u1ee9t. C\u00e1c t\u1ebf b\u00e0o tr\u1edf n\u00ean x\u1ea5u \u0111i, v\u00e0 c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u1ebf b\u00e0o th\u1ea7n kinh b\u1ecb v\u1ee1 v\u1ee5n. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn lu\u00f4n tin r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i \u0111\u00f3 l\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c tr\u1eeb khi m\u00e1u \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i nhanh ch\u00f3ng.
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Yale \u0111\u00e3 mua \u0111\u01b0\u1ee3c \u0111\u1ea7u c\u1ee7a 32 con l\u1ee3n b\u1ecb gi\u1ebft \u0111\u1ec3 l\u1ea5y th\u1ecbt. Sau \u0111\u00f3, h\u1ecd c\u01b0a h\u1ed9p s\u1ecd v\u00e0 lo\u1ea1i b\u1ecf b\u1ed9 n\u00e3o. V\u00e0o th\u1eddi \u0111i\u1ec3m th\u00ed nghi\u1ec7m b\u1eaft \u0111\u1ea7u, b\u1ed9 n\u00e3o \u0111\u00e3 kh\u00f4ng c\u00f2n m\u00e1u v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng trong b\u1ed1n gi\u1edd. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 t\u00ean BrainEx nh\u1eb1m b\u01a1m m\u1ed9t dung d\u1ecbch v\u00e0o b\u1ed9 n\u00e3o c\u00f2n nguy\u00ean v\u1eb9n c\u1ee7a l\u1ee3n. H\u1ecd hy v\u1ecdng c\u00f4ng ngh\u1ec7 n\u00e0y s\u1ebd gi\u00fap ch\u1ec9 ra c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb m\u1edbi cho \u0111\u1ed9t qu\u1ef5, ch\u1ea5n th\u01b0\u01a1ng s\u1ecd n\u00e3o v\u00e0 c\u00e1c b\u1ec7nh nh\u01b0 Alzheimer.<\/p>\n\n\n\n

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N\u01a1 ron (xanh), t\u1ebf b\u00e0o h\u00ecnh sao (\u0111\u1ecf), nh\u00e2n t\u1ebf b\u00e0o (xanh l\u1ee5c) trong b\u1ed9 n\u00e3o c\u1ee7a l\u1ee3n. H\u00ecnh tr\u00e1i l\u00e0 t\u1ebf b\u00e0o n\u00e3o \u0111\u1ec3 kh\u00f4ng 10 ti\u1ebfng sau khi ch\u1ebft, h\u00ecnh b\u00ean ph\u1ea3i l\u00e0 t\u1ebf b\u00e0o n\u00e3o trong th\u00ed nghi\u1ec7m. \u1ea2nh: Stefano G. Daniele v\u00e0 Zvonimir Vrselja, \u0110\u1ea1i h\u1ecdc Y khoa Yale.<\/figcaption><\/figure>\n\n\n\n


C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 b\u01a1m dung d\u1ecbch v\u00e0o n\u00e3o l\u1ee3n trong s\u00e1u gi\u1edd. Dung d\u1ecbch n\u00e0y mang oxy \u0111\u1ebfn m\u00f4 v\u00e0 ch\u1ee9a c\u00e1c h\u00f3a ch\u1ea5t cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc theo d\u00f5i d\u00f2ng ch\u1ea3y c\u1ee7a n\u00f3 b\u1eb1ng si\u00eau \u00e2m. Ngo\u00e0i ra, n\u00f3 c\u0169ng ch\u1ee9a h\u00f3a ch\u1ea5t nh\u1eb1m ng\u0103n ch\u1eb7n t\u00edn hi\u1ec7u th\u1ea7n kinh. C\u00e1c nh\u00e0 khoa h\u1ecdc l\u00fd gi\u1ea3i r\u1eb1ng c\u00e1c t\u1ebf b\u00e0o n\u00e3o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t h\u01a1n – v\u00e0 qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t c\u1ee7a ch\u00fang d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i – n\u1ebfu c\u00e1c t\u1ebf b\u00e0o kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.
Nh\u01b0ng ch\u00ednh h\u1ecd c\u0169ng kh\u00f4ng mu\u1ed1n c\u00f3 b\u1ea5t c\u1ee9 c\u01a1 h\u1ed9i n\u00e0o cho b\u1ed9 n\u00e3o c\u00f3 th\u1ec3 t\u1ec9nh l\u1ea1i, d\u00f9 \u0111i\u1ec1u n\u00e0y g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 x\u1ea3y ra. N\u1ebfu h\u1ecd th\u1ea5y b\u1ea5t c\u1ee9 ho\u1ea1t \u0111\u1ed9ng n\u00e0o c\u1ee7a n\u00e3o cho th\u1ea5y n\u00f3 \u0111ang l\u1ea5y l\u1ea1i \u00fd th\u1ee9c, h\u1ecd s\u1ebd b\u01a1m th\u00eam thu\u1ed1c g\u00e2y m\u00ea \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh \u0111\u00f3.
Ngo\u1ea1i tr\u1eeb c\u00e1c b\u1ed9 n\u00e3o \u0111\u01b0\u1ee3c b\u01a1m dung d\u1ecbch BrainEx, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng ti\u1ebfn h\u00e0nh ki\u1ec3m tra nh\u1eefng b\u1ed9 n\u00e3o kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n d\u1ecbch ho\u1eb7c \u0111\u01b0\u1ee3c truy\u1ec1n d\u1ecbch gi\u1ea3. N\u00e3o trong c\u1ea3 hai nh\u00f3m kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c t\u1ebf b\u00e0o c\u1ee7a ch\u00fang \u0111\u00e3 b\u1ecb h\u1ee7y ho\u1ea1i.
Vi\u1ec7n Y t\u1ebf Qu\u1ed1c gia, n\u01a1i h\u1ed7 tr\u1ee3 nh\u00f3m nghi\u00ean c\u1ee9u, \u0111\u00e3 t\u1ed5 ch\u1ee9c m\u1ed9t cu\u1ed9c h\u1ecdp ng\u1eafn \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 \u00fd ngh\u0129a c\u1ee7a n\u00f3.<\/strong>
B\u00e1c s\u0129 Nenad Sestan, nh\u00e0 khoa h\u1ecdc th\u1ea7n kinh t\u1ea1i \u0110\u1ea1i h\u1ecdc Yale v\u00e0 \u0111\u1ed3ng th\u1eddi l\u00e0 ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u nghi\u00ean c\u1ee9u, cho bi\u1ebft: \u201c\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9 n\u00e3o s\u1ed1ng, m\u00e0 l\u00e0 b\u1ed9 n\u00e3o c\u00f3 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ebf b\u00e0o. Ch\u00fang t\u00f4i mu\u1ed1n ki\u1ec3m tra xem c\u00e1c t\u1ebf b\u00e0o trong b\u1ed9 n\u00e3o \u0111\u00e3 ch\u1ebft nh\u01b0ng v\u1eabn nguy\u00ean v\u1eb9n c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng hay kh\u00f4ng\u201d.
M\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u01b0\u1eddng nh\u01b0 \u0111\u00e3 ch\u1ebft sau khi \u1edf trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh k\u00e9o d\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p c\u1ee9u v\u00e0 b\u1ed9 n\u00e3o c\u1ee7a h\u1ecd ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng, \u00f4ng l\u01b0u \u00fd. N\u00e3o c\u1ee7a m\u1ed9t s\u1ed1 b\u1ec7nh nh\u00e2n \u0111\u1ed9t qu\u1ef5 \u0111\u00e3 ch\u1ebft \u0111\u01b0\u1ee3c 16 gi\u1edd v\u1edbi m\u1ed9t c\u1ee5c m\u00e1u \u0111\u00f4ng ch\u1eb7n m\u1ed9t ph\u1ea7n c\u1ee7a n\u00e3o \u0111\u00e3 l\u1ea5y l\u1ea1i ch\u1ee9c n\u0103ng sau khi c\u00e1c b\u00e1c s\u0129 lo\u1ea1i b\u1ecf c\u1ee5c m\u00e1u \u0111\u00f4ng n\u00e0y.
\u201c\u0110\u00e2y l\u00e0 m\u1ed9t ti\u1ebfn b\u1ed9 th\u1ef1c s\u1ef1\u201d, Andrea Beckel-Mitchener, ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ea7u b\u1ed9 ph\u1eadn nghi\u00ean c\u1ee9u n\u00e3o b\u1ed9 t\u1ea1i N.I.H cho bi\u1ebft. \u201c\u0110i\u1ec1u n\u00e0y ch\u01b0a t\u1eebng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y trong m\u1ed9t b\u1ed9 n\u00e3o c\u00f2n nguy\u00ean v\u1eb9n c\u1ee7a \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa.
Christine Grady, tr\u01b0\u1edfng khoa \u0111\u1ea1o \u0111\u1ee9c sinh h\u1ecdc t\u1ea1i trung t\u00e2m l\u00e2m s\u00e0ng c\u1ee7a N.I.H. cho r\u1eb1ng c\u00f4ng tr\u00ecnh \u0111\u00e3 \u201cl\u1ea7n \u0111\u1ea7u ti\u00ean cho th\u1ea5y c\u01a1 h\u1ed9i nghi\u00ean c\u1ee9u to\u00e0n b\u1ed9 n\u00e3o c\u1ee7a \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa \u1edf b\u00ean ngo\u00e0i c\u01a1 th\u1ec3 sau khi ch\u1ebft.\u201d
N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c t\u1ebf b\u00e0o v\u00e0 k\u1ebft n\u1ed1i gi\u1eefa ch\u00fang theo c\u00e1ch ch\u01b0a t\u1eebng c\u00f3 tr\u01b0\u1edbc \u0111\u00e2y, b\u00e0 n\u00f3i th\u00eam. K\u1ef9 thu\u1eadt n\u00e0y c\u0169ng c\u00f3 th\u1ec3 gi\u00fap m\u1edf r\u1ed9ng nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ea5n th\u01b0\u01a1ng n\u00e3o v\u00e0 s\u1eeda ch\u1eefa t\u1ebf b\u00e0o, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i thu\u1ed1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u00e3o.
C\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ea1o \u0111\u1ee9c \u0111\u01b0\u1ee3c \u0111\u1eb7t ra b\u1edfi nghi\u00ean c\u1ee9u v\u1ec1 h\u1ed3i sinh m\u00f4 n\u00e3o l\u00e0 g\u1ea7n nh\u01b0 ch\u01b0a t\u1eebng c\u00f3 tr\u01b0\u1edbc \u0111\u00e2y. Trong s\u1ed1 \u0111\u00f3 c\u00f3 c\u00e2u h\u1ecfi v\u1ec1 quy\u1ec1n l\u1ee3i c\u1ee7a \u0111\u1ed9ng v\u1eadt \u0111\u01b0\u1ee3c d\u00f9ng trong th\u00ed nghi\u1ec7m.
\u201c\u0110\u00e2y l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ho\u00e0n to\u00e0n m\u1edbi\u201d, Stephen R. Latham, m\u1ed9t nh\u00e0 \u0111\u1ea1o \u0111\u1ee9c sinh h\u1ecdc t\u1ea1i Yale cho bi\u1ebft. \u201c\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nghi\u00ean c\u1ee9u tr\u00ean \u0111\u1ed9ng v\u1eadt v\u00ec b\u1ed9 n\u00e3o \u0111\u1ebfn v\u1edbi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb m\u1ed9t \u0111\u1ed9ng v\u1eadt \u0111\u00e3 ch\u1ebft.\u201d
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u00e1c nh\u00e0 \u0111\u1ea1o \u0111\u1ee9c h\u1ecdc c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c li\u1ec7u m\u1ee5c \u0111\u00edch y h\u1ecdc c\u00f3 \u0111\u1ee7 \u0111\u1ec3 bi\u1ec7n minh cho s\u1ef1 \u0111au \u0111\u1edbn g\u00e2y ra cho m\u1ed9t b\u1ed9 n\u00e3o v\u1eabn c\u00f2n \u201cs\u1ed1ng m\u1ed9t ph\u1ea7n\u201d hay kh\u00f4ng?
\u201cM\u1eb7c d\u00f9 kh\u00f4ng c\u00f3 xung \u0111i\u1ec7n trong n\u00e3o, nh\u01b0ng ch\u00fang ta c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c n\u00f3\u201d, Ti\u1ebfn s\u0129 Farahany, m\u1ed9t nh\u00e0 sinh h\u1ecdc v\u00e0 gi\u00e1o s\u01b0 lu\u1eadt t\u1ea1i \u0111\u1ea1i h\u1ecdc Duke v\u00e0 c\u00e1c chuy\u00ean gia kh\u00e1c cho bi\u1ebft. Kh\u00f4ng th\u1ec3 bi\u1ebft \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu dung d\u1ecbch \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o n\u00e3o kh\u00f4ng ch\u1ee9a ch\u1ea5t \u1ee9c ch\u1ebf th\u1ea7n kinh.
B\u00e0 c\u0169ng \u0111\u1eb7t ra c\u00e2u h\u1ecfi: \u201cKhi \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t b\u1ed9 n\u00e3o m\u00e0 t\u1ebf b\u00e0o v\u1eabn c\u00f2n ho\u1ea1t \u0111\u1ed9ng, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p l\u00e0 g\u00ec? Ch\u00fang ta c\u00f3 th\u1ec3 coi n\u00f3 nh\u01b0 m\u1ed9t con v\u1eadt s\u1ed1ng hay \u0111\u1ed1i x\u1eed v\u1edbi n\u00f3 nh\u01b0 m\u1ed9t con v\u1eadt \u0111\u00e3 ch\u1ebft? Ch\u00fang ta n\u00ean nh\u00ecn nh\u1eadn th\u1ebf n\u00e0o v\u1ec1 \u201c\u00fd th\u1ee9c\u201d c\u1ee7a m\u1ed9t con l\u1ee3n?
Nghi\u00ean c\u1ee9u n\u00e0y c\u0169ng c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi vi\u1ec7c hi\u1ebfn t\u1ea1ng.<\/strong>
\u201c\u1ede Ph\u00e1p v\u00e0 T\u00e2y Ban Nha, n\u1ebfu m\u1ed9t ng\u01b0\u1eddi b\u1ecb \u0111au tim v\u00e0 m\u1ea5t m\u00e1u, nh\u00e2n vi\u00ean d\u1ecbch v\u1ee5 y t\u1ebf kh\u1ea9n c\u1ea5p c\u1ed1 g\u1eafng trong 30 ph\u00fat ho\u1eb7c l\u00e2u h\u01a1n \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i tr\u00e1i tim.\u201d Stuart Youngner, nh\u00e0 sinh h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Case Western Reserve, cho bi\u1ebft. N\u1ebfu h\u1ecd th\u1ea5t b\u1ea1i, nh\u00e2n vi\u00ean c\u1ea5p c\u1ee9u s\u1ebd b\u1ea3o qu\u1ea3n c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i t\u1ea1ng b\u1eb1ng m\u00e1y tr\u1ee3 tim di \u0111\u1ed9ng \u0111\u1ec3 b\u01a1m m\u00e1u v\u00e0o c\u01a1 th\u1ec3, h\u1ecd c\u0169ng ch\u00e8n m\u1ed9t qu\u1ea3 b\u00f3ng \u0111\u1ec3 ng\u0103n m\u00e1u l\u00ean n\u00e3o. B\u1eb1ng c\u00e1ch \u0111\u00f3, b\u1ec7nh nh\u00e2n c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh ng\u01b0\u1eddi hi\u1ebfn t\u1ea1ng v\u00ec n\u00e3o \u0111\u00e3 ch\u1ebft.
\u201cNh\u01b0ng khi gi\u1edd \u0111\u00e2y \u0111\u00e3 c\u00f3 dung d\u1ecbch BrainEx, t\u1ea1i sao ch\u00fang ta kh\u00f4ng th\u1eed d\u00f9ng n\u00f3 thay v\u00ec c\u1ed1 g\u1eafng l\u1ea5y n\u1ed9i t\u1ea1ng c\u1ee7a h\u1ecd?\u201d Ti\u1ebfn s\u0129 Youngner \u0111\u1eb7t ra c\u00e2u h\u1ecfi. M\u1ed9t h\u1ec7 th\u1ed1ng nh\u01b0 BrainEx r\u1ea5t c\u00f3 th\u1ec3 s\u1ebd khuy\u1ebfn kh\u00edch c\u00e1c b\u00e1c s\u0129 v\u00e0 nh\u00e2n vi\u00ean c\u1ea5p c\u1ee9u c\u1ed1 g\u1eafng nhi\u1ec1u h\u01a1n, trong th\u1eddi gian d\u00e0i h\u01a1n \u0111\u1ec3 h\u1ed3i s\u1ee9c cho b\u1ec7nh nh\u00e2n. K\u1ebft qu\u1ea3 r\u1ea5t c\u00f3 th\u1ec3 s\u1ebd l\u00e0 c\u00f3 \u00edt b\u1ec7nh nh\u00e2n ch\u1ebft n\u00e3o v\u00e0 \u00edt ng\u01b0\u1eddi hi\u1ebfn t\u1ea1ng h\u01a1n.\u201d
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng nh\u1ea5n m\u1ea1nh s\u1ebd m\u1ea5t nhi\u1ec1u n\u0103m tr\u01b0\u1edbc khi h\u1ed3i s\u1ee9c n\u00e3o \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m d\u00f9 ch\u1ec9 l\u00e0 s\u01a1 b\u1ed9 \u1edf ng\u01b0\u1eddi. Nh\u01b0ng b\u00e1c s\u0129 Farahany cho bi\u1ebft b\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 h\u1ed3i s\u1ee9c n\u00e3o s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t quy tr\u00ecnh y t\u1ebf ti\u00eau chu\u1ea9n. R\u1ea5t c\u00f3 th\u1ec3 \u0111i\u1ec1u \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay khi ch\u00fang ta c\u00f2n \u0111ang s\u1ed1ng.<\/p>\n\n\n\n

H\u1ea1nh Duy\u00ean<\/strong>
<\/p>\n\n\n\n

Ngu\u1ed3n: New York Times<\/p>\n\n\n\n

http:\/\/khoahocphattrien.vn\/khoa-hoc-thuong-thuc\/giua-su-song-va-cai-chet-cac-nha-khoa-hoc-da-co-the-hoi-sinh-te-bao-trong-nao-lon-da-chet\/2019042509498794p160c921.htm?fbclid=IwAR1wY_sCTi3jAt1evEIlkjjjCd1M-Ff3li0PoaowJO1n-dHFTyl7akMSiDU<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong m\u1ed9t nghi\u00ean c\u1ee9u nh\u1eb1m \u0111\u01b0a ra c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u1ec1 s\u1ef1 ch\u1ebft n\u00e3o, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 t\u1ebf b\u00e0o tr\u1edf l\u1ea1i v\u1edbi s\u1ef1 s\u1ed1ng – ho\u1eb7c g\u1ea7n nh\u01b0 v\u1eady. Nghi\u00ean c\u1ee9u n\u00e0y c\u00f3 th\u1ec3 n\u00f3i \u0111\u00e3 \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi s\u00e2u s\u1eafc v\u1ec1 ranh gi\u1edbi gi\u1eefa s\u1ef1 s\u1ed1ng […]<\/p>\n","protected":false},"author":293,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[161],"tags":[],"class_list":["post-3674","post","type-post","status-publish","format-standard","hentry","category-ban-tin"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/posts\/3674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/users\/293"}],"replies":[{"embeddable":true,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/comments?post=3674"}],"version-history":[{"count":1,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/posts\/3674\/revisions"}],"predecessor-version":[{"id":4481,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/posts\/3674\/revisions\/4481"}],"wp:attachment":[{"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/media?parent=3674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/categories?post=3674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sci.edu.vn\/home\/wp-json\/wp\/v2\/tags?post=3674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}