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Scientists Grow Mice Embryos in a Mechanical Womb


Scientists Grow Mouse Embryos in a Mechanical Womb
Biologists have long held that a fetus needs a living uterus to develop. Maybe not anymore.
Video
Mouse embryos, their beating hearts visible, grown outside the womb after four days.CreditCredit.By A. Aguilera-Castrejon Et Al., Nature 2021
March 17, 2021
The mouse embryos looked perfectly normal. All their organs were developing as expected, along with their limbs and circulatory and nervous systems. Their tiny hearts were beating at a normal 170 beats per minute.
But these embryos were not growing in a mother mouse. They were developed inside an artificial uterus, the first time such a feat has been accomplished, scientists reported on Wednesday. ....

Paul Tesar , Jacob Hanna , Alexander Meissner , Magdalena Zernicka Goetz , Weizmann Institute Of Science , Case Western Reserve University School Of Medicine , Max Planck Institute For Molecular Genetics , Weizmann Institute , Case Western Reserve University School , Max Planck Institute , Molecular Genetics , Human Tissue , Nature Journal , ஜாகோப் ஹன்னா , அலெக்சாண்டர் மைஸ்நர் , வெய்ஸ்மேன் நிறுவனம் ஆஃப் அறிவியல் , வழக்கு மேற்கு இருப்பு பல்கலைக்கழகம் பள்ளி ஆஃப் மருந்து , வெய்ஸ்மேன் நிறுவனம் , வழக்கு மேற்கு இருப்பு பல்கலைக்கழகம் பள்ளி , மூலக்கூறு ஜெநெடிக்ஸ் , மனிதன் திசு , இயற்கை இதழ் ,

Scientists brave enough to grow a spine


Scientists brave enough to grow a spine
Stem cells self-organise into trunk-like structures.
Comparison of nine-day-old mouse embryo grown in the womb (left) and a trunk-like-structure (right). The neural tube, which eventually makes the spinal cord, is in pink. All other tissues are blue. Credit: J Veenvliet, A Bolondi, MPI f. Mol. Genet
Growing an embryo outside the body may not be that far away.
German scientists report that they have successfully simulated an important phase of the process by growing mouse embryonic cells in a petri dish. The structure was the central trunk, which holds the developing neural tubes that will become the spinal cord. ....

Adriano Bolondi , Jess Veenvliet , Alexander Meissner , Bernhard Herrmann , Germany Max Plank Institute For Molecular Genetics , Max Plank Institute , Molecular Genetics , அலெக்சாண்டர் மைஸ்நர் , பெர்ன்ஹார்ட் ஹெர்மன் , ஜெர்மனி அதிகபட்சம் பிளாங் நிறுவனம் க்கு மூலக்கூறு ஜெநெடிக்ஸ் , அதிகபட்சம் பிளாங் நிறுவனம் , மூலக்கூறு ஜெநெடிக்ஸ் ,