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Scientists have made a major breakthrough in the study of embryonic development and how it can be impacted by external factors such as climate...
Researchers discover possible origin of neuroblastoma in the adrenal glands Neuroblastoma is a childhood cancer, most commonly affecting children aged between 2 -3 and can be fatal. Since the tumor cells resemble certain cells in the adrenal glands, a joint research group from MedUni Vienna's Center for Brain Research and the Swedish Karolinska Institute investigated the cellular origin of these cells and sympathetic neurons during the embryonic development of human adrenal glands. During the course of their investigations, they discovered a previously unknown cell type that might potentially...
MIT biologists find cell extrusion, a process that helps organisms eliminated unneeded cells, is triggered when cells can’t replicate their DNA during cell division. In humans, extrusion may serve as a way for the body to eliminate cancerous or precancerous cells.
Abstract Many of the most important resolution improvements in optical microscopy techniques are based on the reduction of scattering effects. The main benefit of polarimetry-based imaging to this end is the discrimination between scattering phenomena originating from complex systems and the experimental noise. The determination of the coherency matrix elements from the experimental Mueller matrix can take advantage of scattering measurements to obtain additional information on the structural organization of a sample. We analyze the contrast mechanisms extracted from (a) the coherency matrix ...
Researchers identify long-sought enzyme that prevents cancer Researchers have found a long-sought enzyme that prevents cancer by enabling the breakdown of proteins that drive cell growth, and that causes cancer when disabled. Publishing online in Nature on April 14, the new study revolves around the ability of each human cell to divide in two, with this process repeating itself until a single cell (the fertilized egg) becomes a body with trillions of cells. For each division, a cell must follow certain steps, most of which are promoted by proteins called cyclins. Led by researchers at NYU Gr...