Hormones may affect how brain listens, Emory study finds
... same for the songs and synthetic beeps, making no differentiation between the two. The most interesting result was the pattern of genomic responses across groups. "The main difference between estrogen-treated and untreated birds was not that estrogen increased the response to song. Rather, estrogen decreased the re...Expanding waistlines triggered by your genes
..., the research team also discovered that adipocyte differentiation in conventional two-dimensional (2-D) cell culture is different from three-dimensional (3-D) microenvironment taking place inside the complex body. In regular 2-D culture system, the MT1-MMP gene was not necessary, but it becomes a critical metabolic...UCSF Institute for Regeneration Medicine receives gift from Dolbys
... will help lay the groundwork for controlling cell differentiation and exploring the possibility of regenerating tiss...s on sonic hedgehog, which plays a key role in the differentiation of neural stem cells, will likely be based near scientists interested in treating brain diseases. "...Neural stem cell gene plays crucial role in eye development
...ne, SOX2, are a critical factor that regulates the differentiation of neural stem/progenitor cells in the eye. Their work appears in the current edition of the journal Genes & Development. The SOX2 gene is a member of class of master genes that encode for transcription factors. Transcription factors are proteins t...New study reveals signaling pathways required for expansion of pancreas stem cells
... that regulate gene expression. Ids (inhibition of differentiation factors) are a family of proteins implicated in a ...ndent factor PAX6, which is required for the final differentiation of pancreatic islet cells." The group's results indicate that BMP4 stimulation blocks the different...A tumour suppressor in mice and men
...d men (Cell, May 19 2006). Growth, separation, and differentiation of cells is one of the body's most well regulated processes. Even just a single cell escaping this regulation can lead to a tumour. Oncogenes are, in this sense, like ticking time bombs, which can cause cancer. Their activity is controlled in healthy...Research suggests cause of neurodegeneration in Huntington's disease
...t dies after birth. Certainly, it's essential for differentiation and survival of some neurons in the brain." In this latest paper, Dr. Li, Ms. Rong, and their colleagues used cellular models to show that HAP1 normally links to transport proteins, including the growth factor receptor tyrosine kinase (TrkA), in grow...Striking the right balance between excitation and inhibition
...ltiple roles of Notch, not only in controlling the differentiation of neurons but in determining their excitatory/inhibitory activity, he adds: "Given that we now have a detailed description of how Notch signaling provides a switch that controls the choice between two different neuronal fates, we can now look and se......spected that an environmental signal triggered the differentiation of immature natural killer cells into cells that could recognize and kill invading pathogens," says one of the senior authors, Greg Lemke, Ph.D., a professor in the Salk's Molecular Neurobiology Laboratory, "but we didn't know what it was." When co...Finding a cellular Neverland: How stem cells stay childlike
...le cell precursors, most likely goaded by a muscle differentiation factor known as BMP. But when those maturing cells were forced to produce Nanog, they reverted to their nave state and regained pluripotency. Atsushi Suzuki, PhD., a former postdoctoral fellow in the Belmonte lab, was the lead author of both that ...Pinning down a cancer threesome
...al cells do not require c-myc for survival, normal differentiation or cellular division. However, even more surprising was that these same mice were completely resistant to developing skin cancer, even though they carried the mutated Ras gene, known to drive tumor development. As expected, mice in the control group ...Neural stem cells derived from human embryonic stem cells carry abnormal gene expression
...y is a very important first step in looking at the differentiation process in neural stem cells," said Fan, senior au...normal cell function. This study suggests that the differentiation procedure used in the lab needs to be improved so all genes are properly regulated in the stem cells...Einstein's Dr. E. Richard Stanley receives 2006 E. Donnall Thomas Prize
...rowth factors in regulation of cell proliferation, differentiation and function. The Thomas Prize is one of numerous honors that Dr. Stanley has received throughout his career. Other notable honors include two Method to Extend Research in Time (MERIT) Awards from the National Institutes of Health, awarded in 1989 ...Expression of 'Blimp1' gene leads to the discovery of cells responsible for skin's sebaceous gland
...cells can control the balance of proliferation and differentiation in tissues."...When the going gets tough, slime molds start synthesizing
...author Robert Kay, Ph.D., a Dictyostelium cellular differentiation expert and groupleader at the MRC. "We wrote a paper and sent a version to Rob Kay and said, 'You don't know us, but here's what we do. Biochemically we have identified the machinery that makes the essential precursor for the bioactive DIF-1 molecule...Meet Europe's top neurobiologists in Leuven, Belgium
...elopment'; Sunday, 3 September, 'Specification and differentiation of neurons and glia'; Monday, 4 September, 'Formation and function of the neural circuits'; Tuesday, 5 September, 'Plasticity and behavior'; and Wednesday, 6 September, 'Neural dysfunction'. In addition to the 11 invited speakers (overviews of their ...Wiley partners with the International Society for Stem Cell Research
...of stem cells, as well as the processes underlying differentiation and development. Current Protocols in Stem Cell Biology will also include detailed methodologies for isolating, propagating, differentiating, and performing genetic manipulation of stem cells from a variety of organisms, including humans; alternative...Researchers map out networks that determine cell fate
...iming appears to be a common feature of blood cell differentiation and may in fact be a general feature of other developmental processes." "Understanding the genetic circuitry that orchestrates development of each specialized cell type," Singh added, "should enable us to manipulate it for our own purposes." The re......ells, by keeping them on hold and preventing their differentiation until the right time. Such pathways are usually switched on and off by external stimuli that help cells respond properly to the environment. Now Peggy Kirstetter and other members of Nerlov's lab have shown what happens when Wingless is too active in......s uterus, and later providing cues to direct their differentiation in a coordinated fashion when the time is ripe. The development of an embryo from a few seemingly identical stem cells is a truly awesome feat of nature. As they bathe in a chemical soup they've manufactured themselves, stem cells react to subtle c...