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کدام یک از فرآیندهای زیر بیشتر احتمال دارد که در مهندسی بافت با استفاده از سلول‌های بنیادی جنینی (ESC) به تحریک تمایز سلولی در جهت بافت‌های خاص مانند استخوان یا غضروف منجر شود؟ 👩🏻💻👩🏻🔬🌿
Anonymous Quiz
1. استفاده از محیط کشت غنی‌شده با فاکتورهای رشد BMP (Bone Morphogenetic Proteins)
2. ایجاد شرایط هایپوکسی با فشار کم اکسیژن در محیط کشت
3. مهار مسیر سیگنال‌دهی Wnt به‌وسیله مهارکننده‌های خاص
4. استفاده از مواد هیدروژلی به عنوان داربست‌های سه‌بعدی بدون افزودن فاکتورهای رشد
These entities are reportedly operating nine Telegram channels with more than five million subscribers to whom they were making recommendations on selected listed scrips. Such recommendations induced the investors to deal in the said scrips, thereby creating artificial volume and price rise. As a result, the pandemic saw many newcomers to Telegram, including prominent anti-vaccine activists who used the app's hands-off approach to share false information on shots, a study from the Institute for Strategic Dialogue shows. Russians and Ukrainians are both prolific users of Telegram. They rely on the app for channels that act as newsfeeds, group chats (both public and private), and one-to-one communication. Since the Russian invasion of Ukraine, Telegram has remained an important lifeline for both Russians and Ukrainians, as a way of staying aware of the latest news and keeping in touch with loved ones. Following this, Sebi, in an order passed in January 2022, established that the administrators of a Telegram channel having a large subscriber base enticed the subscribers to act upon recommendations that were circulated by those administrators on the channel, leading to significant price and volume impact in various scrips. Now safely in France with his spouse and three of his children, Kliuchnikov scrolls through Telegram to learn about the devastation happening in his home country.
from fr
