Vijesti iz znanosti | Slashdot - Tehnološke i znanstvene vijesti za one koje zanimaju inovacije

Vijesti iz znanosti | Slashdotje autoritativni izvor najnovijih vijesti iz znanosti, tehnologije i softvera otvorenog koda. Stranica je platforma za raspravu o vrhunskim razvojima, istraživanjima i trendovima, namijenjena korisnicima koji su upućeni u tehnologiju, zaljubljenicima u tehnologiju i IT stručnjacima.

Tema web mjesta

Web stranica science.slashdot.org nudi materijale u sljedećim ključnim područjima:

• Znanost - vijesti iz svijeta biologije, medicine, fizike i kemije, uključujući istraživanja vodećih sveučilišta kao što je Sveučilište Columbia.
• Tehnologija - analitika, recenzije i analiza novih proizvoda u području računalnih sustava, mrežnih rješenja i digitalnih inovacija.
• Otvoreni izvor - Pokrivenost događaja oko Linuxa, slobodnog softvera i rasprave o načelima otvorenog razvoja.
• Inovacijski i istraživački projekti - informacije o obećavajućim znanstvenim otkrićima, na primjer, o potencijalu za stvaranje zaštite od virusa širokog spektra kod ljudi.

Ključni materijal: Genska terapija protiv svih virusa?

Među najznačajnijim objavama na stranici je članak o revolucionarnom pristupu zaštiti od virusa koji je razvio tim imunologa Dušana Bogunovića sa Sveučilišta Columbia. Studija objavljena u časopisu Science Translational Medicine pokazuje da umjetno ponovno stvaranje rijetkog genetskog stanja može ljudima pružiti gotovo univerzalnu zaštitu od virusa.

Ljudi s nedostatkom proteina ISG15 doživljavaju trajni blagi upalni odgovor, koji, suprotno očekivanjima, donosi ne samo rizike, već i jedinstvenu korist - sposobnost učinkovite borbe protiv svih poznatih virusa, uključujući gripu i SARS-CoV-2. Znanstvenici su otkrili da je ovaj učinak posljedica aktivacije 10 specifičnih proteina koji blokiraju replikaciju virusa.

Na temelju ovih podataka razvijena je eksperimentalna terapija temeljena na mRNA. To je kompleks od 10 mRNA zatvorenih u lipidnim nanočesticama koje se isporučuju u pluća metodom kapanja u nos. U ispitivanjima na miševima i hrčcima terapija je pokazala visoku učinkovitost: spriječila je replikaciju virusa i smanjila težinu bolesti. Štoviše, u kulturi stanica znanstvenici nisu mogli pronaći niti jedan virus koji bi mogao nadvladati zaštitu ove tehnologije.

Posebna prednost terapije je što ne izaziva dugotrajnu upalu, kao kod pacijenata s prirodnim nedostatkom ISG15, već samo kratkotrajno aktivira imunološki sustav. U isto vrijeme, osoba zadržava sposobnost formiranja vlastitog imuniteta na specifične patogene.

Filozofija stranice

Slashdot se predstavlja kao "izvor vijesti za one koje zanima tehnologija i sve što je važno". Stranica je namijenjena publici koja cijeni dubinu analize, znanstvenu strogost i otvorenu raspravu. Odražava pristup u kojem istraživanje provedeno bez unaprijed zamišljenih ciljeva može dovesti do revolucionarnih otkrića - kao u slučaju ISG15.

Kako stranica radi?

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