Father's play the key role in transmitting
Researchers find that hormones and X-chromosomal genes may play a role in gender-...ately analyzed. Thus, both X-chromosomal genes and hormones may play a role in sex-specific susceptibility to endocrine autoimmunity.-...Researchers find a key to immunological development
... investigators in Dr. Kincades lab have found that hormones can be used as experimental tools for understanding how the various types of specialized blood cells are made from stem cells within bone marrow. His research teams efforts are supported by grants from the National Institutes of Health (NIH).......een determined. Examining gender characteristics, hormones and genes, and how they interact with immunology c...on. In all animals (including humans), sex steroid hormones affect gender-specific development at two distinct times. During perinatal (i.e., during prenatal an...New research identifies why men and women may differ in food choices
... compared to women. In another study, secretion of hormones under the influence of vagal innervation were studied. The release of the hormones were greater in men compared to women after a high fat meal. The author of the study, "Gender Diff...Women with rare lung disease found to also have high prevalence of meningiomas
...s. Anti-progestins (drugs that interfere with this hormones action) have even been used to treat meningiomas. "We cannot rule out the possibility that the high prevalence of meningiomas may be a result of both LAM and progesterone therapy," said Joel Moss, M.D., chief of NHLBIs Pulmonary-Critical Care Medici...Receptor-dependent protein activation without a receptor
...ntral role of this activation in cell responses to hormones and neurotransmitters makes G-proteins a major target for a wide range of powerful pharmaceuticals in humans. However, we now believe that a cellular mechanism exists which can activate these key proteins without extracellular stimulation. This funda...Sex differences in osmotic regulation of AVP and renal sodium handling
...and blood pressure. In addition to the role of sex hormones in reproduction, they also have an important effect on other physiological systems, which may explain differences in disease progression between men and women. The mechanisms underlying gender differences in blood pressure regulation remain unknown b...Handling stress: life and death decisions at the cellular level
...rs. The glucocorticoid receptor, GR, binds steroid hormones and helps to mediate the normal response to stress. Dr. Wasylyk and colleagues determined that under hypoxic conditions p53 and ligand-bound GR directly associate with one another in the cytoplasm of the cell. This p53/GR complex is then bound by ano...Finding of key blood sugar controller could yield new diabetes drugs
... PGC-1 is the key regulator that insulin and other hormones act on, the scientists believe future drugs might ...g." Gluconeogenesis in the liver is controlled by hormones produced in the pancreas, including glucagon and insulin. Normally, the liver turns itself on...APS hosts the "Genome and Hormone" Conference
...more and better information about how genetics and hormones influence human physiology. For the first time ever, experts in genetics, molecular biology, pharmacology, integrative physiology and clinical medicine will meet to assess genetic influences on responses to sex steroids. Clearly, this is a conferenc...Flaxseed may fight breast cancer in postmenopausal women
...developing breast cancer, reducing levels of these hormones is thought to be protective against breast cancer, according to the researchers. The exact mechanism by which flaxseed exerts its effect is not known. Flaxseed is considered the most concentrated food source of lignan, a type of plant hormone that i...Monsanto and researchers celebrate first anniversary of sharing rice genome sequence data
...rice as a model plant to study the action of plant hormones in rapid stem elongation, a response that helps the rice to grow out of the water when it becomes submerged. "Access to Monsanto's rice genome database has allowed us to supplement our own database of information and to complete several essential ex...Israeli teams grows heart cells and insulin producing cells from human embryonic stem cells
... Finally, we looked at how these cells respond to hormones like adrenaline, which causes heart muscles to contract faster." The cells passed all the tests with flying colors, demonstrating that they are indeed early-stage cardiomyocytes. It seems likely that if placed in an adult human heart, these cells w...Estrogen, soy boost recovery in hearts after surgery, studies show
...ind the specific proteins that are involved in the hormones activities, then we can develop designer drugs," he said. "Wed like to able to block undesirable actions, such as those involved in breast cancer, or stimulate activity that may help the heart function better or heal faster." Researchers examining t...Cardiovascular system holds a key to circadian clock
...scovery, which provides the first evidence for how hormones and vitamins can reset the human circadian clock, ...n a vascular clock, this signal may be blood borne hormones or metabolic signals." McNamara was using a genetic screen to identify new proteins that interact...Exercise effects dependent on time of day
... the systems regulating energy metabolism and some hormones differs according to when in the day exercise is p...ight elicited large increases in the levels of two hormones important for energy metabolism, cortisol and thyrotropin. Exercise at other times of day had much s...UNC, Penn State scientists find gene that controls water retention in plants
...n regulating the various signals such as light and hormones that control plant development. Their experiments showed they were right. But because the mutant plants wilted, they thought the gene probably also controlled water retention. Since Assmann specialized in that area of biology, Jones sent seeds to he......g down overall development. The whole complex of hormones involved in puberty is self-regulatory. The brain ...productive cells and steroid hormones. The steroid hormones contribute to the production of the reproductive cells and ensure communication between the brain an...Study looks at causes, consequences of sex differences
...production, has explored how fetal exposure to sex hormones -- the male hormone, testosterone, and the female,...vior, anatomy and physiology are influenced by the hormones they encounter in the womb. Litter-born animals such as rodents and pigs are exposed to sex hormone...Researchers find evidence of aging system that may promote long life
... with a mutant gene that suppresses the release of hormones that prompt rapid aging. ...ain-based pathway that affects general hormones that come from a pituitary-like system. The researchers studied a gene with function in...