ridicat de grasimi, intrucat modificarea genetica a dat organismului iluzia exercitiului fizic. „Aceasta este la ora actuala cea mai mare problema cu care se confrunta sportivii de performanta retrasi din activitate. Pentru ca organismul lor nu mai depune efort, majoritatea iau kilograme bune in greutate”, explica profesorul Ronald Evans de la Salk Institute din San Diego (California).
Echipa de oameni de stiinta condusa de Evans a reusit sa modifice la soarece o gena care in mod normal se activeaza doar atunci cand organismul este supus unui antrenament de rezistenta, „reprogramand-o” astfel incat sa fie activa permanent, ceea ce a crescut spectaculos atat capacitatile fizice ale cobailor, cat si tendintele lor de ardere a grasimilor, chiar si in lipsa miscarii. soarecii modificati genetic au reusit sa alerge de doua ori mai mult si mai repede decat cei normali. Gena modificata, PPAR-delta, influenteaza contractiile rapide si lente ale muschilor.
Cercetatorii mai vor sa afle daca modificarea genetica nu a redus cumva speranta de viata a soriceilor, dar deocamdata nu este vizibil nici un efect indezirabil.
Daca pana la aplicarea acestei descoperiri la om mai este cale lunga, profesorul Evans a retinut deja atentia mai multor laboratoare farmaceutice cu alte cercetari genetice vizand stimularea productiei de „colesterol bun”, ale caror rezultate sunt testate in prezent pe voluntari.
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_b2f802206437f37db4e1a68ad276b627.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_a6b90b8cc9dc52794c22c54202441581.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_551a9984090b3e3469f864f0375e40cd.jpg)
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_77b055df13f1704bc1b7fc2360d6b958.png)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_c3d03d1585ec819282261eb6b51e8f25.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/280_0c491f402d1f3db96545a36adc3c1434.jpg)
Alte știri
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/276_1fc1cf70c2097a08c34155809661f61d.png)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/206_65057e8ef829ca378b4c204326e47a22.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/278_cc3be885a7b78fca9b31169a61f95d9c.webp)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/50_3f76e8204d7e7c95431300dabc9a4abc.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/281_a22b1443b905f56da42292528d1fd6ce.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/153_54a945b7bcc4a42d382684dd041848ec.webp)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/233_a9b494f3fc5b7c63e23e49518de7a859.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/253_eb6ffc368512710baef73f59e97475e1.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/197_4a22f50844777c07997f2950c4af9748.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/284_8dcdcfd623d3d82ffe4780e063c22ac2.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/275_7f0b16ebab2b1809b31ac690110ef3c9.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/274_2c79aa4abf2331e1563b0777489410ae.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/274_c1167e9e73035572301ac3daa7917bcf.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/288_3a274935339ea7bb56a54b3acd9bba28.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/16_1dab9ba9bb964175646e3dc5d7dc8fc5.jpg)
Politic
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/289_dffee7bc71da2ccec76c46fb3785386d.png)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/206_a788cae48bb7db6f1d0a955107beca52.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/255_c346f3b4d749078c98f6777766050f66.webp)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/mu-plugins/rro-admin/assets/img/no-picture.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/204_629fbbbfd37c9a2667b76683290f552f.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/204_0a3a2d473c1b3c3debcf54988c121712.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/rita-branga-fosta-prim-procuroare-la-parchetul-de-pe-langa-judecatoria-podu-turcului.jpg)
:quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/prognoza-meteo-aprilie-mai-2026.png)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/287_8ce43bdb36ce696752bba1db10ab1739.jpeg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/287_4ca2a90a6843f260d687d82e63902556.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/denise-rifai-raed-arafat.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/sorin-bontea-chefi-la-cutite-antena-1.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/172_6248df911a5c642265b899d04e8fdb8d.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/172_8a42b0ebbbc50cd0a03eeaf110bb96b6.jpg)
:contrast(8):quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/179_3a65ef23db354ac092f7c2c1b42705e9.jpg)
:quality(75)/https://www.libertatea.ro/wp-content/uploads/feed/images/179_246042b34857f66661de2bdd7c770f01.png)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/bolojan-si-grindeanu-inquam-photos-octav-ganea-scaled-e1776630436620.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ilie-bolojan-nu-demisioneaza-chiar-daca-a-pierdut-sprijinul-politic-al-psd--ministrii-psd-isi-vor-da-demisia-pana-la-sedinta-de-joi-4-e1776709105594.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/muntii-dolomiti.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/cristina-demetrescu-horoscop-aprilie-2026.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/oameni-care-alearga-parc.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/01/chatgpt.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/03/image00007-scaled-e1776688061931.jpeg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2015/04/pastele-blajinilor.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/femeie-conduce-velier.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/moneda-colt-casa.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/san-marino-obiective-turistice.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ciprian-serban-facebook-copy-3.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/02/judecatori-curtea-de-apel-solicitare-nicusor-dan-.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/02/magazin-lidl-romania.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/deseuri-haine-second-hand.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/acord-liban-israel.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/nicusor-dan-referendum-profimedia.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/ilie-bolojan-premier-pnl-2-e1776627774263.jpg)
:contrast(8):quality(75)/https://static4.libertatea.ro/wp-content/uploads/2026/04/nicusor-dan-profimedia-1084720411.jpg)
Loghează-te în contul tău pentru a adăuga comentarii și a te alătura dialogului.