Просто о стволовых клетках | United States America (US)

Create: 2019-08-05 Update: 2024-05-17 18:18:43

Почему на месте отмирающих клеток появляются новые? Почему человек живет так долго?

Потому что в глубине тканей человека сокрыты стволовые клетки, которые производят новые клетки и поддерживают работу организма.

Ученые пошли дальше и научились редактировать генную структуру этих клеток, чтобы лечить генетические заболевания. Для этого клетки извлекают из организма, меняют в них геномы и помещают обратно. Даже человеку, далекому от медицины, ясно: процедура не из легких.

Гарвардские ученые подумали: раз так сложно извлечь и вживить клетки, может, стоит попробовать отредактировать клетки, не извлекая их.

Подумали и попробовали. И ведь получилось!

Эксперимент на мышах показал, что доставка специального редактирующего вируса в сами клетки работает в 30–60% случаев. Это прорыв!

Исследование показало, что редактирование стволовых клеток внутри организма возможно, а значит, это направление будет развиваться.

Пожелаем ученым успехов!

Просто о стволовых клетках

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Просто о стволовых клетках

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Should You Buy Bitcoin?

In general, many financial experts support their clients’ desire to buy cryptocurrency, but they don’t recommend it unless clients express interest. “The biggest concern for us is if someone wants to invest in crypto and the investment they choose doesn’t do well, and then all of a sudden they can’t send their kids to college,” says Ian Harvey, a certified financial planner (CFP) in New York City. “Then it wasn’t worth the risk.” The speculative nature of cryptocurrency leads some planners to recommend it for clients’ “side” investments. “Some call it a Vegas account,” says Scott Hammel, a CFP in Dallas. “Let’s keep this away from our real long-term perspective, make sure it doesn’t become too large a portion of your portfolio.” In a very real sense, Bitcoin is like a single stock, and advisors wouldn’t recommend putting a sizable part of your portfolio into any one company. At most, planners suggest putting no more than 1% to 10% into Bitcoin if you’re passionate about it. “If it was one stock, you would never allocate any significant portion of your portfolio to it,” Hammel says.

Почему на месте отмирающих клеток появляются новые? Почему человек живет так долго?

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