{"id":12680,"date":"2018-07-04T16:15:55","date_gmt":"2018-07-04T09:15:55","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=12680"},"modified":"2018-07-13T17:05:45","modified_gmt":"2018-07-13T10:05:45","slug":"nha-khoa-hoc-my-giai-thich-dot-chay-chat-beo-la-gi-va-tai-sao-goi-la-dot","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nha-khoa-hoc-my-giai-thich-dot-chay-chat-beo-la-gi-va-tai-sao-goi-la-dot\/","title":{"rendered":"Nh\u00e0 khoa h\u1ecdc M\u1ef9 gi\u1ea3i th\u00edch \u0111\u1ed1t ch\u00e1y ch\u1ea5t b\u00e9o l\u00e0 g\u00ec, v\u00e0 t\u1ea1i sao g\u1ecdi l\u00e0 “\u0111\u1ed1t”?"},"content":{"rendered":"

Th\u1eadm ch\u00ed, n\u00f3 c\u0169ng th\u1ea3i ra kh\u00ed CO2 nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a s\u1ef1 ch\u00e1y.<\/p>\n

Khi b\u1ea1n t\u1eadp th\u1ec3 d\u1ee5c v\u00e0 \u0103n ki\u00eang \u0111\u1ec3 \u201c\u0111\u1ed1t ch\u00e1y<\/i>\u201d ch\u1ea5t b\u00e9o, \u0111i\u1ec1u g\u00ec \u0111ang th\u1ef1c s\u1ef1 di\u1ec5n ra trong c\u01a1 th\u1ec3? Ch\u1ea5t b\u00e9o c\u00f3 ch\u00e1y th\u00e0nh tro hay kh\u00f4ng? D\u0129 nhi\u00ean l\u00e0 kh\u00f4ng, nh\u01b0ng qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 \u0111\u00e3 x\u1ea3y ra, khi\u1ebfn ng\u01b0\u1eddi ta g\u1ecdi n\u00f3 m\u1ed9t c\u00e1ch tr\u1eebu t\u01b0\u1ee3ng, r\u1eb1ng ch\u1ea5t b\u00e9o \u0111\u00e3 b\u1ecb \u201c\u0111\u1ed1t<\/i>\u201d.<\/div>\n
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Trong b\u00e0i vi\u1ebft n\u00e0y, ph\u00f3 gi\u00e1o s\u01b0 David Prologo \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Emory, Hoa K\u1ef3 s\u1ebd gi\u1ea3i th\u00edch cho b\u1ea1n \u201c\u0111\u1ed1t ch\u00e1y<\/i>\u201d ch\u1ea5t b\u00e9o ngh\u0129a l\u00e0 nh\u01b0 th\u1ebf n\u00e0o:<\/p>\n

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Nh\u00e0 khoa h\u1ecdc M\u1ef9 gi\u1ea3i th\u00edch \u0111\u1ed1t ch\u00e1y ch\u1ea5t b\u00e9o l\u00e0 g\u00ec, v\u00e0 t\u1ea1i sao g\u1ecdi l\u00e0 “\u0111\u1ed1t”?<\/p>\n<\/div>\n<\/div>\n

T\u1ea1i sao con ng\u01b0\u1eddi t\u00edch tr\u1eef ch\u1ea5t b\u00e9o?<\/strong><\/p>\n

C\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o b\u00ecnh th\u01b0\u1eddng t\u1ed3n t\u1ea1i trong c\u01a1 th\u1ec3, ch\u1ee7 y\u1ebfu \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng. Khi b\u1ea1n \u0103n qu\u00e1 nhi\u1ec1u d\u1eabn \u0111\u1ebfn d\u01b0 th\u1eeba calo, c\u01a1 th\u1ec3 s\u1ebd l\u00e0m ph\u00ecnh c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o hi\u1ec7n c\u00f3, \u0111\u1ed3ng th\u1eddi s\u1ea3n sinh ra th\u00eam nhi\u1ec1u t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o m\u1edbi. Ch\u00fang s\u1ebd t\u0103ng l\u00ean c\u1ea3 v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ed1 l\u01b0\u1ee3ng, d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 l\u00e0 c\u01a1 th\u1ec3 b\u1ea1n b\u00e9o ph\u00ecnh l\u00ean.<\/p>\n

Qu\u00e1 tr\u00ecnh th\u1eadm ch\u00ed s\u1ebd khi\u1ebfn ch\u1ea5t b\u00e9o l\u1eafng \u0111\u1ecdng trong c\u01a1 b\u1eafp, gan v\u00e0 c\u00e1c n\u1ed9i t\u1ea1ng kh\u00e1c, khi kh\u00f4ng gian l\u01b0u tr\u1eef ch\u00fang tr\u1edf n\u00ean ch\u1eadt ch\u1ed9i, \u0111\u1eb7c bi\u1ec7t n\u1eefa l\u00e0 khi b\u1ea1n c\u00f3 l\u1ed1i s\u1ed1ng \u00edt v\u1eadn \u0111\u1ed9ng.<\/p>\n

Trong th\u1eddi ti\u1ec1n s\u1eed, d\u1ef1 tr\u1eef ch\u1ea5t b\u00e9o l\u00e0 m\u1ed9t \u0111i\u1ec1u t\u1ed1t cho con ng\u01b0\u1eddi. N\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef d\u01b0\u1edbi d\u1ea1ng c\u00e1c g\u00f3i nh\u1ecf ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 axit b\u00e9o. V\u00e0o kho\u1ea3ng th\u1eddi gian thi\u1ebfu h\u1ee5t th\u1ee9c \u0103n, ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e0o m\u00e1u \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u cho c\u01a1 b\u1eafp v\u00e0 c\u00e1c c\u01a1 quan kh\u00e1c.<\/p>\n

Ch\u1ea5t b\u00e9o d\u1ef1 tr\u1eef c\u0169ng c\u1ea7n thi\u1ebft khi con ng\u01b0\u1eddi c\u1ea7n n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 tr\u1ed1n tho\u00e1t kh\u1ecfi c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt. T\u00edch tr\u1eef ch\u1ea5t b\u00e9o th\u1ef1c s\u1ef1 \u0111\u00e3 l\u00e0m t\u0103ng c\u01a1 h\u1ed9i s\u1ed1ng s\u00f3t trong nh\u1eefng t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n

Nh\u1eefng ng\u01b0\u1eddi ti\u1ec1n s\u1eed d\u1ef1 tr\u1eef nhi\u1ec1u m\u1ee1 c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong th\u1eddi gian l\u00e2u h\u01a1n m\u00e0 kh\u00f4ng c\u00f3 th\u1ee9c \u0103n, v\u00e0 c\u00f3 th\u00eam n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi k\u1ebb th\u00f9.<\/p>\n

Nh\u01b0ng l\u1ea7n cu\u1ed1i c\u00f9ng b\u1ea1n ch\u1ea1y tr\u1ed1n kh\u1edfi m\u1ed9t con th\u00fa \u0103n th\u1ecbt l\u00e0 khi n\u00e0o?<\/p>\n

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\"Ch\u1ea5t<\/div>\n
Ch\u1ea5t b\u00e9o t\u00edch tr\u1eef xung quanh n\u1ed9i t\u1ea1ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nguy hi\u1ec3m<\/div>\n<\/div>\n

Trong th\u1eddi hi\u1ec7n \u0111\u1ea1i, th\u1ef1c ph\u1ea9m d\u01b0 th\u1eeba v\u00e0 \u0111i\u1ec1u ki\u1ec7n s\u1ed1ng an to\u00e0n \u0111\u00e3 khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi t\u00edch l\u0169y qu\u00e1 nhi\u1ec1u ch\u1ea5t b\u00e9o. \u1ede M\u1ef9, h\u01a1n m\u1ed9t ph\u1ea7n ba d\u00e2n s\u1ed1 tr\u01b0\u1edfng th\u00e0nh \u0111\u00e3 b\u1ecb b\u00e9o ph\u00ec. S\u1ed1 ng\u01b0\u1eddi b\u00e9o ph\u00ec c\u0169ng t\u0103ng l\u00ean tr\u00ean to\u00e0n c\u1ea7u, c\u1ea3 \u1edf c\u00e1c n\u01b0\u1edbc ngh\u00e8o.<\/p>\n

V\u1ea5n \u0111\u1ec1 ch\u00ednh x\u1ea3y ra trong c\u01a1 th\u1ec3 khi\u1ebfn ch\u1ea5t b\u00e9o b\u1ecb d\u01b0 th\u1eeba l\u00e0 c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o adipocyte ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng. Ch\u00fang n\u1ea1p v\u00e0o n\u0103ng l\u01b0\u1ee3ng l\u01b0u tr\u1eef nhanh m\u1ed9t c\u00e1ch b\u1ea5t th\u01b0\u1eddng, \u0111\u1ed3ng th\u1eddi gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng qu\u00e1 ch\u1eadm.<\/p>\n

H\u01a1n n\u1eefa, vi\u1ec7c nh\u1eefng t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o t\u0103ng c\u1ea3 k\u00edch th\u01b0\u1edbc l\u1eabn s\u1ed1 l\u01b0\u1ee3ng t\u1ea1o ra m\u1ea5t c\u00e2n b\u1eb1ng hooc-m\u00f4n. M\u1ed9t s\u1ed1 hooc-m\u00f4n s\u1ea3n xu\u1ea5t t\u1eeb ch\u1ea5t b\u00e9o c\u00f3 n\u1ed3ng \u0111\u1ed9 cao, l\u00e0m t\u0103ng t\u00ecnh tr\u1ea1ng vi\u00eam, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a v\u00e0 g\u00f3p ph\u1ea7n g\u00e2y ra nhi\u1ec1u c\u0103n b\u1ec7nh kh\u00e1c nhau.<\/p>\n

\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh b\u1ec7nh l\u00fd ph\u1ee9c t\u1ea1p c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng d\u01b0 th\u1eeba ch\u1ea5t b\u00e9o v\u00e0 r\u1ed1i lo\u1ea1n ch\u1ee9c n\u0103ng, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 adiposopathy, v\u00e0 n\u00f3 l\u00e0m cho vi\u1ec7c \u0111i\u1ec1u tr\u1ecb b\u1ec7nh b\u00e9o ph\u00ec r\u1ea5t kh\u00f3 kh\u0103n.<\/p>\n

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T\u1ebf b\u00e0o ch\u1ea5t b\u00e9o adipocyte ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng b\u00ecnh th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn b\u00e9o ph\u00ec<\/p>\n<\/div>\n<\/div>\n

\u0110\u1ed1t ch\u00e1y ch\u1ea5t b\u00e9o di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

Khi m\u1ed9t ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u luy\u1ec7n t\u1eadp gi\u1ea3m b\u00e9o, \u0111\u1ed3ng th\u1eddi \u0103n ki\u00eang \u0111\u1ec3 gi\u1edbi h\u1ea1n l\u01b0\u1ee3ng calo n\u1ea1p v\u00e0o, c\u01a1 th\u1ec3 h\u1ecd s\u1ebd l\u00e0m hai vi\u1ec7c \u0111\u1ec3 \u201c\u0111\u1ed1t ch\u00e1y ch\u1ea5t b\u00e9o<\/i>\u201d.<\/p>\n

\u0110\u1ea7u ti\u00ean, n\u00f3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng l\u01b0u tr\u1eef trong c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o \u0111\u1ec3 cung c\u1ea5p cho ho\u1ea1t \u0111\u1ed9ng t\u1eadp luy\u1ec7n. Th\u1ee9 hai, n\u00f3 d\u1eebng vi\u1ec7c l\u01b0u tr\u1eef calo v\u00e0o c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o.<\/p>\n

B\u1ed9 n\u00e3o s\u1ebd b\u00e1o hi\u1ec7u c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o gi\u1ea3i ph\u00f3ng c\u00e1c ph\u00e2n t\u1eed axit b\u00e9o v\u00e0o m\u00e1u. C\u00e1c c\u01a1, ph\u1ed5i v\u00e0 tim nh\u1eadn c\u00e1c axit b\u00e9o n\u00e0y, ph\u00e2n gi\u1ea3i ch\u00fang ra v\u00e0 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a ch\u1ea5t b\u00e9o sau ph\u00e2n gi\u1ea3i c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf qua \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p, trong kh\u00ed carbon dioxide m\u00e0 b\u1ea1n th\u1edf ra ngo\u00e0i. V\u1eady l\u00e0 qu\u00e1 tr\u00ecnh “\u0111\u1ed1t” ch\u1ea5t b\u00e9o c\u0169ng th\u1ef1c s\u1ef1 th\u1ea3i ra m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a s\u1ef1 ch\u00e1y, \u0111\u00f3 l\u00e0 CO2.<\/p>\n

Ngo\u00e0i ra, c\u00e1c th\u00e0nh ph\u1ea7n th\u1ea3i b\u1ecf t\u1eeb qu\u00e1 tr\u00ecnh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft qua n\u01b0\u1edbc ti\u1ec3u. \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m r\u1ed7ng c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o v\u00e0 l\u00e0m cho ch\u00fang tr\u1edf n\u00ean v\u00f4 d\u1ee5ng.<\/p>\n

Tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c t\u1ebf b\u00e0o n\u00e0y kh\u00e1 ng\u1eafn, v\u00ec v\u1eady khi ch\u00fang ch\u1ebft, c\u01a1 th\u1ec3 s\u1ebd h\u1ea5p th\u1ee5 c\u00e1c t\u1ebf b\u00e0o \u0111\u00f3 v\u00e0 kh\u00f4ng s\u1ea3n sinh ra t\u1ebf b\u00e0o m\u1edbi \u0111\u1ec3 thay th\u1ebf ch\u00fang n\u1eefa.<\/p>\n

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\"Th\u1ef1c<\/div>\n
Th\u1ef1c s\u1ef1, b\u1ea1n th\u1edf ra m\u1ed9t ph\u1ea7n ch\u1ea5t b\u00e9o trong c\u01a1 th\u1ec3 m\u00ecnh<\/div>\n<\/div>\n

Khi b\u1ea1n ti\u1ebfp t\u1ee5c t\u1eadp luy\u1ec7n v\u00e0 \u0103n ki\u00eang, c\u01a1 th\u1ec3 d\u1ea7n d\u1ea7n s\u1ebd quen v\u1edbi vi\u1ec7c l\u1ea5y n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp (t\u1ee9c l\u00e0 calo) t\u1eeb th\u1ee9c \u0103n \u0111\u1ec3 d\u00f9ng cho ho\u1ea1t \u0111\u1ed9ng thay v\u00ec l\u01b0u tr\u1eef calo \u0111\u1ec3 d\u00f9ng v\u1ec1 sau. S\u1ed1 l\u01b0\u1ee3ng v\u00e0 c\u1ea3 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o c\u0169ng gi\u1ea3m, b\u1ea1n s\u1ebd g\u1ea7y \u0111i.<\/p>\n

Ch\u01b0a d\u1eebng l\u1ea1i \u1edf \u0111\u00f3, c\u00e1c l\u1ee3i \u00edch c\u00f2n \u0111\u1ebfn t\u1eeb vi\u1ec7c c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i ch\u1ea5t c\u01a1 b\u1ea3n, gi\u1ea3m vi\u00eam, t\u0103ng hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/p>\n

N\u00f3i t\u00f3m l\u1ea1i, khi b\u1ea1n ch\u0103m ch\u1ec9 luy\u1ec7n t\u1eadp, \u0103n u\u1ed1ng \u0111i\u1ec1u \u0111\u1ed9, c\u01a1 th\u1ec3 s\u1ebd t\u00e1i h\u1ea5p thu c\u00e1c t\u1ebf b\u00e0o ch\u1ea5t b\u00e9o th\u1eeba v\u00e0 lo\u1ea1i b\u1ecf ch\u00fang th\u00e0nh ch\u1ea5t th\u1ea3i. B\u1ea1n s\u1ebd g\u1ea7y h\u01a1n v\u00e0 kh\u1ecfe m\u1ea1nh h\u01a1n tr\u00ean nhi\u1ec1u kh\u00eda c\u1ea1nh, t\u1eeb c\u1ea5p \u0111\u1ed9 c\u01a1 th\u1ec3 cho \u0111\u1ebfn t\u1ebf b\u00e0o.<\/p>\n

Tham kh\u1ea3o\u00a0Theconversation<\/i><\/p>\n

B\u00c1O \u0110I\u1ec6N T\u1eec TR\u00cd TH\u1ee8C TR\u1eba<\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Th\u1eadm ch\u00ed, n\u00f3 c\u0169ng th\u1ea3i ra kh\u00ed CO2 nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a s\u1ef1 ch\u00e1y. Khi b\u1ea1n t\u1eadp th\u1ec3 d\u1ee5c v\u00e0 \u0103n ki\u00eang \u0111\u1ec3 \u201c\u0111\u1ed1t ch\u00e1y\u201d ch\u1ea5t b\u00e9o, \u0111i\u1ec1u g\u00ec \u0111ang th\u1ef1c s\u1ef1 di\u1ec5n ra trong c\u01a1 th\u1ec3? Ch\u1ea5t b\u00e9o c\u00f3 ch\u00e1y th\u00e0nh tro hay kh\u00f4ng? D\u0129 nhi\u00ean l\u00e0 kh\u00f4ng, nh\u01b0ng qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 […]<\/p>\n","protected":false},"author":18,"featured_media":12681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-12680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/12680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=12680"}],"version-history":[{"count":4,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/12680\/revisions"}],"predecessor-version":[{"id":12732,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/12680\/revisions\/12732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/12681"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=12680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=12680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=12680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}