According to a scientific paper which will be shortly published in the renowned journal Cell Transplantation, human umbilical cord blood cells (HUCBCs) can be useful for hepatic regenerative medicine, as they can nest in the liver after carrying out a human-to-rat xenotransplant.
This work, carried out by Ana I. Álvarez-Mercado, María J. Sáez-Lara, María V. García-Mediavilla, Sonia Sánchez-Campos, Francisco Abadía, María Cabello-Donayre, Ángel Gil, Javier González-Gallego and Luis Fontana, did research into the regenerative potential of HUCBCs cells using a xenotransplant model from human to rat in which HUCBCs were injected through the hepatic portal vein of rats with hepatitis caused by D-galactosamine.
Successfully in rats
The scientists explain that the cell transplant carried out in rats caused an improvement both in the histological damage and in the hepatic function, as proved by the enzymatic activities of alanine transaminase, alkaline phosphatase, gama-glutamyl-transpherase and lactate dehydrogenase, as well as the concentrations of total and direct bilirubin.
The present treatment for terminal hepatic failure consists of a liver transplant. This method is, however, limited due to the lack of donor organs. In addition, there is not at present a specific treatment for the fibrosis caused by many hepatic diseases, so that receive a treatment for the complications of the disease. The development of such alternatives is therefore an essential objective for present research to improve suffering in many patients.
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The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.
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The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.
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