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Biologists determine three-dimensional framework of molecule involved with HIV solve erection problem.

Biologists determine three-dimensional framework of molecule involved with HIV, cancer In a technical tour de force, structural biologists funded by the National Institutes of Health have determined the three-dimensional structure of a molecule involved with HIV infection and in lots of types of cancer. The high-quality framework sheds light on what the molecule features and may point to methods to control its activity, possibly locking out HIV and stalling cancer’s spread. The molecule, CXCR4, is component of a large category of proteins known as G-proteins coupled receptors solve erection problem .

recreational use

Biological scaffold for heart valves could be freeze-dried for later on use The biological scaffold that provides structure to a heart valve following its cellular materials has been removed could be freeze-dried and stored for afterwards use as a tissue-engineered replacement valve to take care of a failing heart, as described within an article in Tissue Engineering, Part C: Strategies, a peer-reviewed journal from Mary Ann Liebert, Inc. ( This article is available free of charge online at Shangping Wang and co-workers from Leibniz University, Corlife, and Hannover Medical College, Hannover, Germany, studied different approaches for freeze-drying porcine center valves.