Virusul H1N1 atacă celulele pulmonare
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Noul virus gripal H1N1 infectează celulele aflate pulmonare de profunzime, contribuind la creşterea severităţii acestei maladii. Viruşii gripali pătrund în celule şi se fixează de anumite molecule, denumite receptori, amplasaţi pe pereţii externi ai celulelor. Odată intrat în celulă, virusul începe să se multiplice.
Viruşii sezonieri se fixează aproape exclusiv de celulele situate la nivelul nasului, gâtului şi căilor aeriene superioare, antrenând simptome caracteristice gripei, cum ar fi durerile de gât sau tusea seacă.
Studiul a fost efectuat de o echipă de medici de la Imperial College din Londra.
