Tag: "interplay" at biology news

Squirrels' evolutionary 'family tree' reveals major influence of climate, geology

...th geological evidence, they noted "an interesting interplay between global change and the way this particular group of animals diversified," Mercer said in an interview. "Just from looking at modern day taxa and where they're distributed, you wouldn't deduce that the earliest squirrel was in North America," a...

Pain and the brain: Sex, hormones & genetics affect brain's pain control system

...uroscientist Jon-Kar Zubieta, M.D., Ph.D. "And the interplay of gender, hormones, genetics and brain neurochemistry appears to induce our individual response to it." Zubieta and his colleagues at the U-M Mental Health Research Institute have spent several years using positron-emission tomography, or PET, brain...

Fertility study shows increased estrogen shortens window of implantation in mice

...il to dock successfully in the uterine lining. The interplay of signals between embryo and uterus during implantation is complex, yet recent findings by a group of Vanderbilt researchers may provide clues to better understand it. The group, led by S.K. Dey, Ph.D., Dorothy Overall Wells Professor of Pediatrics ...

The Fragile X syndrome protein as RNA distribution hub

... somewhere between genomics and proteomics is the interplay of RNA with RNA-binding proteins." Researchers also involved in these findings include: lead author Kevin Miyashiro of Penn's Department of Pharmacology; Andrea Beckel-Mitchener, T. Patrick Purk, Ivan Jeanne Wieler, Willam T. Greenough, of the Beck...

Scientists discover what makes human embryo attach to uterus

...bohydrates, so a continual sticking and unsticking interplay between the protein and carbohydrates can progressively slow the embryos progress along the uterine wall. When the embryo comes to rest, the stage is set for it to adhere to the uterine wall where it establishes a nourishing blood supply from the mot...

Influences of sex on gene expression discussed at annual conference

New discoveries on the interplay between genes and biological sex were the topic of discussions at the Third Annual Conference on Sex and Gene Expression (SAGE III), hosted by the Society for Women's Health Research, in San Jose, CA, April 4-7, 2002. The annual conference is a uniqu...

Fosrenol (TM) reduces damaging high levels of phosphate in end-stage kidney disease patients

...sphatemia. Hyperphosphatemia disrupts the delicate interplay between the body's levels of calcium, parathyroid hormone (PTH) and vitamin D. Over time, hyperphosphatemia can ultimately lead to calcification of the heart, lung and some arteries. This calcification may increase the incidence of cardiovascular d...

Pittsburgh researchers target genetic, environmental threats to maternal and fetal health

...ajor women's health problems regarding the dynamic interplay among fetal and maternal genetics and the costs of our earliest environmental exposures."...

Physics tip sheet #29 October 23, 2002

...ory described how the ridges appear because of the interplay of different effects. If there is some sort of bump on the icicle, as can randomly happen, it will tend to enlarge because the bump increases the area through which the icicle can dump the heat in water flowing over it into the colder air. So more wa...

NSF awards $37.9 million in grants to study biocomplexity in the environment

...scientists and engineers across the country. "The interplay between life and its environment is complex," explained NSF Director Rita Colwell. "The connections are not necessarily straightforward or easily discerned. These ribbons of interconnections, often difficult to tease apart, are what NSF's biocomple...

When mistreated children act out later in life: Brain gene may play a role, study says

...isk for antisocial behavior. It's the story of the interplay between a gene and the experience of maltreatment," Moffit said. Among the males in the study, those who had a variation of a certain gene and had experienced childhood maltreatment made up 12 percent of the whole male population. They made up 22 per...

Deformed frogs form when parasites and pesticides combine

...be a sentinel species that is warning us about the interplay between human-caused environmental change and disease susceptibility. Hopefully, people will listen."...

Wake Forest investigator shows new way that alcohol affects brain

...l effects on GABA synapses "may involve a complex interplay between pre- and post-synaptic processes and likely differs fundamentally from the effects of other modulators" of these inhibitory synapses. Weiner is one of only six plenary speakers at the five-day meeting....

Scientists find protein at the intersection of genetics, development, and environment

...s. It also provides a way to better understand the interplay between genetics and environment in the determination of physical characteristics." "The process of protein folding interacts with our biology and our environment in so many ways. We've just begun to grasp it. Its like holding a tiger by the tail," ...

Society for Women's Health Research sponsors 3rd Annual Conference on sex and gene expression

...ex & gene expression in the immune system, and the interplay of steroid hormones, apoptosis, and carcinogenesis. In addition, workshops highlighting steroid hormone effects and gene imprinting and parent of origin effects will be held. The following topics will be covered at the meeting: The Multiple Effects ...

Genetic causes of hypertension identified

...e the level of blood pressure is the result of the interplay between heredity and environment. Diagnosis and early treatment of hypertension are important because hypertension-related diseases are the leading causes of morbidity and mortality in industrialized countries. The researchers report that these gene ...

Cell interactions in spermatocyte apoptosis

.... have found that this response reflects a complex interplay between the developing germ cells and the neighboring somatic cells. Leydig cells, endogenous producers of testosterone and other steroids in the testis, are particularly important in this reaction, because they induce heme oxygenase-1 (HO-1) express...

'Night eating syndrome' may be related to the performance of the body -- not the mind

...e stress-induced biological response. However, the interplay between these two main regulators of biological functions is not well understood. Therefore, observations of irregular secretions of circadian neuroendocrine secretions inclusive of cortisol are of special interest, as the night eating syndrome most ...

New theory of the evolution of bird flight linked to parental care

...e precursors to birds began to fly, the ecological interplay of flight and parental care may have been mutually reinforced, continuing the evolution of both traits and accelerating the rate at which the physical features of the modern bird were acquired." The origin of bird flight is a fundamental issue in avi...

DNA arrays give clues to better vaccines

...eedings of the National Academy of Sciences. "The interplay between a persons immune mechanisms and a microbes attempts to circumvent these defenses represents a complex relationship. DNA arrays help researchers dissect this struggle by measuring the activity of many genes in the immune cells as they respond ...

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