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الصحة
من قواقع البحر السامة: قد يكون لدينا إنسولين جيد لمرضى السكري
معظم الأشخاص ليس لديهم أسباب ليفكروا بالأنواع غير المدروسة من الحيوانات التي تعيش في قاع البحر. لكن أحد الأنواع المسمى «كونوس جيوغرافوس»، أثار بشكلٍ خاص اهتمام العلماء. يتغذى هذا النوع من قواقع البحر السامة على الأسماك عن طريق نفث أعمدة من سمٍ يصعق ويشل الفرائس، مما يعطيهم ما يكفي من الوقت ليفترسوا الضحية وهي حيّة. لكن السم قد يكون مفيداً للبشر أيضاً. يقول داني هنج-تشين تشو، وهو مؤلف دراسة تعمقت في التركيب الجزيئي للسم: «داخل السم، هناك مئات الجزئيات المختلفة، أحد الجزيئات يبدو مشابهاً جداً للأنسولين البشري». بعد المزيد من البحث، وجد الباحثون أن الإنسولين الموجود في السم يفعل فعله…
تمت
عملية الاشتراك بنجاح
عذراً،
عذرا،أنت مشترك مسبقاً بالنشرة البريدية