Como pessoas cegas podem voltar a enxergar?

Publicado por Andre Bello em

Um estudo publicado pela revista científica Nature, mostra que cientistas da Universidade de Utah e colaboradores da Califórnia, conseguiram reanimar células de neurônios sensíveis à luz em olhos de doadores de órgãos. Descobertas que podem transformar a pesquisa no sistema cérebro-visão.

É em nossos olhos que conseguimos perceber a luz, através dos fotorreceptores. A partir daí, bilhões de neurônios transmitem informações sensoriais através de sinais elétricos até o cérebro e sistema nervoso central. Até então a ciência acreditava que, quando danificados, os neurônios envolvidos nessa cadeia eram afetados de forma irreversível.

Porém, segundo a principal cientista do estudo, Fatima Abbas, é possível que “olhos obtidos em até cinco horas após a morte de um doador de órgãos ainda respondam à luz brilhante, luzes coloridas e até mesmo flashes de luz muito fracos”. O desafio para o transplante seria, então, o tempo.

Para superar a barreira do tempo, foi projetada uma engenhosa unidade de transporte especial que restaura a oxigenação e envio de outros nutrientes para os olhos do doador de órgãos.

O processo de pesquisa da equipe pode ser usado, não apenas para ajudar pessoas com problemas de visão, mas também para estudar outros tecidos no sistema nervoso central. É um avanço técnico transformador que pode levar a uma melhor compreensão das doenças neurodegenerativas.

E claro, nos dar uma nova perspectiva para a saúde e longevidade.

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Proviron is popular among TRT users because of its action as
an aromatase inhibitor. The draw back is that you could crash estradiol ranges
with out careful balancing. Males who’ve larger than required estradiol levels are the ones who will discover this profit most dear.

It comes with added benefits like elevated endurance and improved aerobic
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When it comes to selecting between Anavar and Superdrol, it finally comes all the method down to your particular person goals and preferences.

Winstrol helps to increase energy and endurance,
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Winstrol, also recognized as stanozolol, is an injectable
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So, stacking them collectively will produce better results than taking either of them alone, though adding tren to Anavar significantly increases cardiac dangers.
Anavar customers could or could not want to utilize PCT,
but when they do, they might solely require one of the above medicines.

Without PCT, testosterone levels could take several weeks to normalize.
Despite Anavar being a milder anabolic steroid than tren, it’s going
to cause higher elevations of ALT and AST enzymes, marking liver stress.

Tbol will help preserve these features whereas decreasing water in the course of the last weeks of the cycle.
Joints will really feel fantastic, and combined with the numerous energy improve,
you’ll find smashing through PRs more comfortable with less danger of joint ache or harm.
Women don’t use Tbol as typically as males or as often as females use
a quantity of other anabolic steroids like Anavar (which is usually the
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Turinabol will usually be the primary or solely anabolic compound
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Whereas there are methods to search out and verify the standard of AAS online, it is important to strategy this with warning,
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D-Bal from Loopy Bulk is the right legal various for Dianabol that may allow you to get exceptionally
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D-Bal is a pure formulation that has been used by
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References:

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