Growing pains: T. Rex was teenage giant
... an accurate picture of how T. rex accelerated its growth over a relatively few years to become gargantuan w...slower growth. The scientists did this by counting growth rings in the bones of T. rex and other members of its family and calculating the corresponding body ...Joslin Diabetes Center launches research section on developmental and stem cell biology
...hat regulate their capacities for self-renewal and growth and adapting to particular environments. Studies of developmental biology thus go hand-in-hand with stem cell biology, because they will identify the control circuits that govern how stem cells function. In addition, while the ability to study huma...Excess levels of nitrogen, phosphorus linked to deformed frogs
...to excessive ultraviolet radiation, which can slow growth rates, damage the immune system and create other bodily malformations. "We're showing that humans have probably created more deformed frogs through eutrophication by way of a series of complex interactions in the pond food web," Chase said. ...You are what you eat: New insight into autophagy
... role of autophagy in controlling cell growth. "As growth and autophagy are both tightly regulated by PI3K a...n of autophagy might be partly responsible for the growth inhibition observed when these signals are disrupted. In fact, we found just the opposite." Preventi...New hypoxic event found off Oregon coast
...uation, the high nutrient waters support even more growth than usual of microscopic marine plants, which ultimately sink and decay, leading to consumption of even more of the remaining oxygen in the water. "Hypoxic conditions such as this have been documented in other nearshore upwelling ocean regions of th...New prostate cancer gene identified
...o disorganization of cells and also encourages the growth and survival of prostate cancer cells. "This finding provides critical insight into the factors that cause prostate cancer, which can be used for development of additional diagnostics and therapeutics for prostate cancer," said Dr. Spyro Mousses, he...Study links high carbohydrate diet to increased breast cancer risk
...ted to elevated levels of insulin and insulin-like growth factor binding proteins in the blood. "Scientists...ls to proliferate. Insulin and an insulin-like growth factor also may contribute to higher circulating levels of biologically active estrogens, a risk fac...LBP-1a gene mutation linked to disruption of normal fetal development
... called LBP-1a in the mouse embryo prevents normal growth of blood vessels in the placenta. This finding sug...imilar defect in humans could play a role in fetal growth retardation, infant mortality and spontaneous abortion. These results, by investigators at St. Jude ......ill address the status of plants in the area's old growth forests as well as the roles of insects, mammals, and birds in reconstructing the environment post-eruption. The dramatic transformation of Spirit Lake as well as the eruption's consequences on fish and amphibians will be addressed by Charlie Crisafu...U-M scientists find common virus in human prostate tissue
...role in the transition from normal to uncontrolled growth of prostate cells." BK is a human virus in the ...n as T antigen," Imperiale says. "They induce cell growth and inactivate the p53 gene, preventing it from killing abnormal cells. So, it's a logical possibil...Parasitic cowbirds thrive with a less ruthless strategy than cuckoos
...18 different host species that, if you look at the growth of the cowbird chick, it does best in hosts who have about 1.8, or approximately two, nestmates growing up together with the cowbird chick," he said. Kilner had previously shown that the survival of cowbird chicks was greatest in nests of those host ...UCSD researchers are first to demonstrate molecular link between inflammation and cancer
...K beta was deleted, the cancer incidence and tumor growth in mice was decreased by nearly 80 percent. IKK be...ells by the carcinogen, results in increased tumor growth and suppression of apoptosis, whose role is to reduce cancer incidence," Karin added. "Our studies ...Molecular therapeutics advance fight against brain cancer
... to more precisely assess the full extent of tumor growth versus conventional imaging methods. "This novel a...currently investigating a variant of the epidermal growth factor receptor that is present in many primary glioblastomas to better understand the development o...Goals unlikely to protect Gulf of Mexico shrimp industry
...itrogen overload and its contribution to the rapid growth of oxygen-starved zones in some coastal waters as an emerging global issue. ...New discovery may help transplants survive
...A For the first time scientists have found that a growth factor called vascular endothelial growth factor receptor-3 (VEGFR-3), known to cause the growth of lymphatic vessels in the body, controls ho...Manatee population rising in some regions, likely stalled or declining in others
... documented survival, reproduction, and population growth rates of the endangered Florida manatee. The Flori... "Over the past 10 years, the annual population growth rate in two of the regions is healthy, one region appears to be declining, and one region is probabl...Activated signaling pathway may predict lung cancer patients' response to gefitinib
..., a cancer drug that interferes with the epidermal growth factor receptor (EGFR) pathway, is active in approximately 10% of NSCLC patients in whom standard therapy has failed. Although earlier studies have found that the expression of EGFR alone does not predict whether a patient will respond to gefitinib, ...Other highlights in the August 4 JNCI
...wide. Increased levels of insulin and insulin-like growth factor in metabolic syndrome have been linked to breast cancer, but the role of other biomarkers, such as HDL cholesterol is not known. Anne-Sofie Furberg, M.D., Ph.D., of the University of Troms in Norway, and colleagues analyzed data from a Norweg...... These mice experienced increase new blood vessel growth in stoke-damaged region. The CD34+ cells also produced growth factors to aid in neural regeneration. There was also evidence of migration of nerve progenitors in...... These mice experienced increase new blood vessel growth in stoke-damaged region. The CD34+ cells also produced growth factors to aid in neural regeneration. There was also evidence of migration of nerve progenitors in...