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Виктор Скаршевский

Промышленное производство сокращается

В теле человека обнаружен новый орган

27.08.18 - 09:52

Ученые не перестают изучать человеческий организм, и это приносит свои плоды – ученые из Австралии обнаружили у людей новый орган

Несмотря на современные технологии и открытия в области медицины, тело человека все еще покрыто тайнами. Ученые не перестают изучать человеческий организм, и это приносит свои плоды – ученые из Австралии обнаружили у людей новый орган.

Новый орган отвечает за быстрый иммунитет, а если быть точным – за хранение В-лимфоцитов, сообщает издание Nature Communication. Это долгоживущий подтип В-лимфоцитов, который отвечает за быстрый иммунный ответ и выработку большого количества иммуноглобулинов при реинфекции или повторном заражении тем же патогеном. Благодаря этому, иммунная система запоминает инфекционные агенты, что позволяет лучше справляться с ними в будущем.

Ученые давно предполагали, что такие клетки "памяти" где-то скрываются в организме человека. Ранее считалось, что они располагаются в лимфоузлах, но это предположение было ошибочным, хотя и недалеким от истины. При изучении лимфатических узлов, эксперты обнаружили над лимфоузлами небольшие образования, которые буквально напичканы В-клетками. Открытие удалось совершить благодаря использованию двухфазного лазерного микроскопа: именно его степень увеличения и визуализации позволили увидеть новую структуру, которая получила название "субкапсулярный пролиферативный очаг" (subcapsular proliferative foci). 

"Видеть то, как работают В-клетки просто невероятно! В новой структуре, которую удалось увидеть впервые, В-клетки памяти активируются, в ней образуются кластеры. Мы первые в мире увидели, как они двигаются, взаимодействуют с другими клетками иммунитета и видоизменяются прямо у нас на глазах!" – прокомментировал доктор Имоджен Моран.


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