📍 CRISPR ممكن يبهرك وبيشتغل كأنه “ مقص ” اه والله مقص تخيل إنك...

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Get a fresh perspective on facebook video mp4 by examining the key points covered in 📍 CRISPR ممكن يبهرك وبيشتغل كأنه “ مقص ” اه والله مقص تخيل إنك....


CRISPR
ممكن يبهرك وبيشتغل كأنه“مقص” اه والله مقص
تخيل إنك تقدر "تقص" جزء من الـ DNA وتستبدله بجزء جديد… وكأنك بتعدل كود في الكمبيوتر
تخيل معايا
كان العلماء دايمًا بيتعاملوا مع الجينات بحذر كأنهم بيحاولوا يصلحوا ساعة قديمة من غير ما يبوزوها...
لحد ما ظهر واحد من أعظم الاكتشافات: كريسبر
تخيل إن جوا كل خلية في جسمنا، فيه كتاب ضخم مكتوب فيه كل المعلومات اللي بتخليك إنت... إنت.
الكتاب ده هو الـDNA.
زمان لو حصل غلطة في الكتاب ده (يعني طفرة جينية أو مرض وراثي)، كان تصليحه شبه مستحيل.
إنما مع كريسبر... بقينا نقدر نفتح الصفحة اللي فيها الغلط، نحدد السطر، ونستخدم "مقص جزيئي" ونقص الغلطة بالظبط كدا
مش بس كده...
بعد ما نقص الغلطة، نقدر كمان نلزق مكانها جملة جديدة سليمة!
الفكرة بدأت لما العلماء اكتشفوا إن البكتيريا بتحارب الفيروسات بنفس الطريقة دي، بتخزن ذكريات عن العدو جواها علشان تدافع عن نفسها لو رجع تاني.
خدوا الفكرة وطوروها،
وبقينا احنا كمان نقدر نستخدمها علشان
نعالج أمراض وراثية زي فقر الدم المنجلي
نصحح طفرات ممكن تسبب سرطانات
نجرب علاجات جديدة للسرطان نفسه عن طريق تعديل الخلايا المناعية تخليها أقوى ضد الأورام
التقنية دي فتحت الباب لعلاج أمراض وراثية كتير بجد




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