Discovery of how prolactin travels to gene's machinery helps explain its role in breast cancer
...t cancer -- and offer a new paradigm for how other hormones function, not just in breast cancer but in a numbe... from a distance, outside the cell (unlike steroid hormones which have the ability to leap across the cell membrane on their own, without any help). And indeed...Oral contraceptives increase C-reactive protein, an infIammatory biomarker
... research and past studies suggest that estrogenic hormones significantly affect pro-inflammatory pathways. Whether these changes have clinical significance remains to be determined. The present data also showed that CRP levels are higher in the luteal, or post-ovulatory phase, versus the follicular phase. ...DHEA supplement shows no effect on Alzheimer's disease
...adrenal glands. The body then converts it into the hormones estrogen and testosterone. DHEA as a supplement is made from plant chemicals. In the first randomized, double-blind trial of DHEA for Alzheimer's disease, researchers gave 58 Alzheimer's patients either 100 mg per day of DHEA or a placebo. Before the...New research tool allows perimenopausal women to assess their ovulation status
...of their menstrual cycle. Background Measuring hormones in a woman's urine has been demonstrated to be use...that collects and analyzes cycles of daily urinary hormones annually, thus providing both cross-sectional and longitudinal data. Unlike most previous studies in...As harmful as osteoporosis but less well known - New research better explains sarcopenia
...at 80C and subsequently used for the assessment of hormones and cytokines. Plasma insulin and free IGF-I concentrations were determined. Isometric grip muscle strength was assessed using a hand-held dynamometer following a standardized measurement protocol that has been shown to provide highly reliable data...Chemical in soy alters reproductive organs in male rats
...king the function of endogenous androgens the sex hormones necessary for males to develop a normal reproductive system and ultimately leading to the reproductive abnormalities and sexual dysfunction we saw in the exposed rats," added study co-author Sabra L. Klein, Ph.D., of the School of Public Health. "Ho...Researchers developing 'sentinel plants' to warn of bioterrorism
...ings -- including microbes, insects, chemicals and hormones -- via cellular proteins," Raina says. "These proteins, called receptor-like kinases (RLKs), have a sensing domain outside the cell membrane that binds molecules in the environment. This binding sends a signal inside the cell to the response domain, ...Receptor could be target for cancer therapy
...ects of prostaglandins, a family of locally acting hormones produced by the cyclooxygenase (COX) enzymes. COX enzymes are the targets of aspirin and other non-steroidal anti-inflammatory drugs, which work to relieve pain and inflammation by blocking the production of prostaglandins. The connection between CO...Pacific Northwest chemist wins national award for studies of biological systems
...te biological mixtures of proteins, carbohydrates, hormones and other compounds. His separations are based on what is called capillary liquid chromatography, tiny tubes packed with chemically sensitive "beads" that tease apart mixtures according to size, electrical charge and other molecular properties. Once ...MNI-McGill researcher first to discover that normal nerve cells can mimic viruses
...ted protein production could include production of hormones or growth factors....Pain and the brain: Sex, hormones & genetics affect brain's pain control system
...e. At AAAS, the team will report that gender, sex hormones like estrogen, and genes appear to play a big part...it turns out, one must look at the influences that hormones may have on these pain-control systems. For the 2002 paper, the researchers had only studied women i...Sex and gender scientists explore a revolution in evolution
...ucing sperm to producing eggs - due to a change in hormones triggered by external circumstances. In any coral reef, for example, about 25 percent of the fish have changed sex in their lifetime. Over 50 species of angelfish, wrasses, parrot fishes and groupers have changed from male to female or vice versa. Ot...Researchers discover possible new mechanism for high blood pressure
...have long known that certain signaling substances hormones and neurotransmitters in the body cause tiny arteries known as arterioles to constrict, causing blood pressure to rise. These substances also help regulate blood pressure by altering electrolyte and fluid levels in the kidneys. But the precise mecha...Neglect during infancy can affect children for years, scientists report
... system for handling stress, Gunnar has found. The hormones produced by the so-called hypothalamic-pituitary-adrenocortical, or "HPA," system, help the body respond to immediate stresses, such as responding to danger. But, they can have negative effects when produced over the long term, according to Gunnar. G...Obesity not a personal failing, but a battle against biology
...n and other scientists have identified a number of hormones and genes that play a role in appetite and weight. These hormones orchestrate the unconscious urge to eat, a basic biological drive that is difficult to fight with th...Mutation causes specific arrhythmia and sudden cardiac death
...pinephrine, one of the so-called "fight-or-flight" hormones that stimulate the heart. "Of the 14 mice with the mutation, two became unresponsive seconds after exercise, and eight died following exercise combined with the injection," Mohler said. "The effect was dramatic. None of the mice without the mutation ...Female hormones found to protect against harmful effects of fructose
...pertension. They also examined the role of the sex hormones in the response to a fructose diet in females and ...l sexual maturity. To determine whether female sex hormones were involved in preventing the effects of fructose on metabolism and blood pressure, the researcher...Kiss mistletoe goodbye this season for better tree health
...mulations to improve the effectiveness of the plan hormones will be implemented, Watson said. If successful, the research said, the method likely will be patented for use on mistletoe throughout the United States....Researchers find genes connected to seasonal reproductive clock in hamsters
...lp regulate levels of thyroid hormones in the hypothalamus, which is involved in ...roteins that help the hypothalamus take in thyroid hormones involved in the regulation of reproduction. In other words, the ...Stomaching flatfish: How hormones regulate flounder stomach development
...d by the sequential action of cortisol and thyroid hormones on cell proliferation and differentiation. In sum...s that are present in the stomach to the levels of hormones as the organ develops. She will also determine how cortisol and thyroid hormones act and interact wi...