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Scientists develop an engineered cardiac tissue model to study the human heart

When it comes to finding cures for heart disease scientists have finally developed a tissue model for the human heart that can bridge the gap between animal models and human patients. Specifically, the researchers generated the tissue from human embryonic stem cells with the resulting muscle having significant similarities to human heart muscle.

Posted: Jan 30th, 2014

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Blood and lymphatic capillaries grown for the first time in the lab

Researchers at the University Children's Hospital Zurich and the University of Zurich have engineered skin cells for the very first time containing blood and lymphatic capillaries. They succeeded in isolating all the necessary types of skin cells from human skin tissue and engineering a skin graft that is similar to full-thickness skin.

Posted: Jan 30th, 2014

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Protein synthesis and chance

In the process of protein synthesis there is a 'stochastic' component, i.e., involving random chance, which influences the time the process takes. This aspect has been investigated by two research scientists.

Posted: Jan 29th, 2014

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Designer proteins provide new information about the body's signal processes

Researchers at the University of Copenhagen can radically alter the properties of proteins by redesigning their chemical structure. New fundamental research based on designer proteins highlights important communication processes in the human body. In the long term, this new knowledge may lead to pharmaceuticals with fewer side effects.

Posted: Jan 29th, 2014

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Researchers tune in to protein pairs

Scientists have created a way to interpret interactions among pairs of task-oriented proteins that relay signals. The goal is to learn how the proteins avoid crosstalk and whether they can be tuned for better performance.

Posted: Jan 27th, 2014

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Lab-grown, virus-free stem cells repair retinal tissue in mice

Investigators at Johns Hopkins report they have developed human induced-pluripotent stem cells (iPSCs) capable of repairing damaged retinal vascular tissue in mice. The stem cells, derived from human umbilical cord-blood and coaxed into an embryonic-like state, were grown without the conventional use of viruses, which can mutate genes and initiate cancers, according to the scientists.

Posted: Jan 24th, 2014

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Tracing unique cells with mathematics

Stem cells can turn into heart cells, skin cells can mutate to cancer cells; even cells of the same tissue type exhibit small heterogeneities. Scientists use single-cell analyses to investigate these heterogeneities. But the method is still laborious and considerable inaccuracies conceal smaller effects. Scientists have now found a way to simplify and improve the analysis by mathematical methods.

Posted: Jan 23rd, 2014

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Live feed into our bodies

A palm-top device developed by UCSB researchers provides real-time insight into how fast a living body metabolizes drugs, opening the door to highly personalized medicine.

Posted: Jan 22nd, 2014

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Insights into the structure of a protein transport assistant

Proteins are the molecular building blocks and machines of the cell and are involved in virtually every process of life. After protein production, many proteins are equipped with attachments such as sugar residues in order to perform their tasks properly. This process is directly coupled to the transport across a membrane. Employing various methods of structural biology, scientists have now gained insights into the architecture of the protein complex responsible for this process.

Posted: Jan 15th, 2014

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European network to carry out research on protein life cycle

The Proteostasis initiative, supported by the European Union (EU), is led by the Basque centre for research in biosciences, CIC bioGUNE, in collaboration with the Inbiomed foundation, and includes groups that carry out research on the degradation and modification of cellular proteins.

Posted: Jan 13th, 2014

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