Tag Archives: Human body

ROME – A ‘Scaffolding’ Covered with Stem Cells to Repair Hearts

Image by kevindooley via Flickr

A biodegradable tissue to repair hearts after a heart attacks or to cure congenital malformations. A tissue that acts like a porous, accordion-like medium onto which cardiac stem cells are ‘implanted’ has been created by scientists from the prestigious Massachusetts Institute of Technology in Boston (MIT). This “bioscaffolding” integrates perfectly with cardiac tissue and creates a biological “band-aid” that is slowly reabsorbed and repairs cardiac muscle.

Compared to similar previous attempts, explained George Engelmayr in “Nature Materials” magazine, the advantage of the “bioscaffolding” is that it faithfully mirrors cardiac tissue structurally and mechanically, and
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Transplants: human-pig embryos from stem cells

Scientists have for the first time grown embryos that contain a combination of pig and human stem cells, in a step toward one day growing transplantable organs, a study said on Thursday.

However, the research remains at a very early stage and proved more difficult than expected, the researchers reported in the peer-reviewed journal Cell.

“This is an important first step,” said lead investigator Juan Carlos Izpisua Belmonte, a professor in the Salk Institute of Biological Studies’ Gene Expression Laboratory.

“The ultimate goal is to grow functional and transplantable tissue or organs, but we are far away from that.”

Scientists implanted adult human
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Stem Cells Used to Create New Jaw Bone

Like Samson, researchers in the field of stem cells have used the jawbone to make a point. Dr. Gordana Vunjak-Novakovic and her team at Columbia University have manipulated adult stem cells to grow one of the most difficult sections of bone to replace, the temporomandibular joint. This jawbone was created by allowing pluripotent cells harvested from marrow to grow in a scaffold that was fashioned to mimic the TMJ’s shape.

It is the first accurate and anatomically sized bone created by stem cells in a lab. Dr. Vunjak-Novakovic hopes that this new creation will serve as a proof of concept
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Stem Cells help polio-affected man walk

(…) At the age of 29, Bhoir underwent a surgery to correct deformity in his legs. Although the limb length improved, there was no change in muscle strength. He then decided to consult Dr Pradeep Mahajan to be treated by stem cell therapy.

“A personalized treatment protocol was prepared comprising of 1 session of autologous cellular therapy combined with physiotherapy, yoga and diet modifications.

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