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كل جديد >> دراسات علمية
تفاعلات الخلايا تكشف عن هجرة الخلايا السرطانية والتئام الجروح
اقترح باحثون في معهد العلوم والتكنولوجيا النمساوي ،وجامعة كيوتو اليابانية؛ نموذج نقل معلومات تستخدمه الخلايا عند التئام الجروح، بالاعتماد على تجارب مخبرية، ونشرت الدراسة أمس الأول الاثنين في دورية «نيتشر فيزيكس» . أوضح الباحثون أن العديد من الخلايا في أجسامنا تتحرك ويبدو أنها تعرف بطريقة ما إلى أين تتجه، ولكن من غير المعروف كيف يتعرفون على موقع وجهتهم، وهذا هو المفتاح لفهم ظواهر مهمة مثل تجديد الخلايا في أجسامنا، وهجرة الخلايا السرطانية، وخاصة كيف تلتئم الجروح. بنى الباحثون نموذجاً رياضياً لوصف التفاعلات داخل طبقة من الخلايا، على غرار طبقة من الجلد. تحتوي هذه الخلايا على إشارات كيميائية «بروتينات» تسمح لها…
تمت
عملية الاشتراك بنجاح
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