Tag: "physiologists" at biology news

Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact

... the receptors actuallydo. "We've discovered what physiologists learned 100 years ago," Kelleysaid. "There are physiological feedback systems, but this is in thecontext of not the heart talking to the kidney, not the brain talking tothe heart, but in the context of the immune system talking with the endocrinesyst...

Measurement Technique Provides Snapshot Of Cell Physiology

...e cell has beendeveloped by a team of chemists and physiologists at the University of Illinois. The method -- which uses nanoliter sampling, capillary electrophoresisand fluorescence spectroscopy -- is direct, convenient and highly sensitive. "By combining a nanoliter-volume separation technique with an informati...

Researchers Discover Why Some Athletes' Performances Fail To Improve On A Live-High, Train-Low Regimen

...tern and Presbyterian Hospital of Dallas. Exercise physiologists have known for years that, in most cases, the bodyresponds to high altitude by producing more red blood cells to boost oxygenlevels. That formed the basis of Levine's original 1997 study performed incollaboration with Dr. James Stray-Gundersen, a for...

Genomics project aims to create a "virtual plant"

June 1, 2000 -- A group of plant physiologists is calling for a major scientific effort to understand the biological machinery of a plant in enough detail to construct a virtual plant that can be used to examine every aspect of a plant's development. In a report on The 2010 Project, which is ava...

Weight training may improve strength, health of older men

...ing intense weight training exercises,according to physiologists involved in studies of the health benefits ofweigh...n a study of 18 men ages 60 to 75, Ohio University physiologists foundthat subjects who participated in a 16-week, high-intensity resistencetraining program on avera...

Using lasers, biologists succeed in getting cells to change course

... sites of infection, Jacobson said. Muscle physiologists studying calcium developed the laser method to uncage compounds some 10 years ago, he said. The UNC researchers also are developing a promising complementary technique for inactivating specific molecules responsible for making cells move and stick to...

Subjects lying face up reveal a reduced ability for 'nasal air conditioning'

...d increase nasal cavity volume. A team of Chicago physiologists have hypothesized that decreasing nasal volume by placing subjects in the supine position would increase the ability of the nose to warm and humidify air compared with unaltered nasal volume in the upright position. The authors of the study, Supine P...

The body's production of melatonin may be the reason why the elderly can't get a good night's sleep

... build upon their past research efforts, a team of physiologists set out to examine the internal phase relationship between sleep-wake timing and the timing of another marker of circadian phase. The timing of the plasma melatonin rhythm is considered to be a more accurate marker of the status of the circadian timi...

An animal study raises additional concerns about the use of dexamethasone on premature infants

...nfants. An animal study, carried out by a team of physiologists from the University of Michigan, has demonstrated the long-term effects of dexamethasone on stress response and behavior later in life. Background Dexamethasone (dex) is a therapy that neonatologists use because it improves the function of premature ...

USF presents new research on hyperlipidemic children

... researchers and academicians as members. Clinical physiologists investigate the function of the human body, including the effects of genes, diseases, exercise, and metabolism. Their primary professional commitment is to understand the processes and functions so that promising in cures can be developed. The APS p...

Findings conclude sustained caffeine intake negates the benefits of creatine supplements

...he muscles' short-term fuel stores. Some exercise physiologists believe that caffeine might improve performance by increasing fat oxidation and conserving muscle glycogen. Creatine is used by athletes to increase lean body mass and improve performance in single and repetitive high-intensity, short-duration exerc...

Relative of snake venom toxin may aid in understanding nicotine addiction

... nicotinic receptors an important finding because physiologists had told us they werent really sure that a membrane-bound molecule like lynx-1 could even access the receptor, said Heintz. That finding really stimulated us to do an in-depth analysis of how lynx1 changed the properties of the receptors. She further...

A pilot study may offer promise of a marker for ovarian cancer

...er than those in healthy, non-pregnant women. Now, physiologists from the same institution have attempted to extend their original observations on ANP in gynecologic malignancy, in particular to examine the possible relationship between ANP and proANP-(1-30) levels in plasma and ascites fluid (serous fluid from th...

A popular Japanese plum, now available in the US, may help prevent the onset of cardiac disease

...which is produced during the plum processing. Two physiologists from Vanderbilt University and a collaborator from Wakayama University (Japan) have focused on mechanisms of bainiku-ekisu to prevent various diseases. In addition to the effect of bainiku-ekisu on blood fluidity, it may have a direct effect on the v...

Study identifies hypertension patients who can benefit from the little used diuretic amiloride

...highly suitable for the post-genomic era, enabling physiologists to interact with other basic scientists, engineers, bioinformatics experts, and clinicians in translating the wealth of genetic and molecular information into a better understanding of how the human body functions in health and disease....

Macarthur Award winning physiologist to present Scholander Award and lecture

...cores, and who is considered one of the preeminent physiologists of the 20th century. Dr. Block will present the Scholander Award Lecture. Following her lecture, Dr. Block will make the award to the young researcher presenting the most outstanding work at the upcoming meeting, "The Power of Comparative Physiolo...

JCI table of contents: October 1, 2002

...fish. This might not come as much of a surprise to physiologists who have long used animals to learn about basic mechanisms in organ function that are shared across vertebrates or mammals, but the extent of overlap is still impressive to most. In many areas of biomedical research, rats or mice are the animal mode...

Not all mammals vomit -- or how to study emesis in mice

...fish. This might not come as much of a surprise to physiologists who have long used animals to learn about basic mechanisms in organ function that are shared across vertebrates or mammals, but the extent of overlap is still impressive to most. In many areas of biomedical research, rats or mice are the animal mode...

The brain uses the same neural networks to engage in conscious and unconscious learning

...us procedural and declarative learning. A team of physiologists used an MRI to discover whether declarative learning does or does not prevent learning in procedural memory systems. They created conditions in which subjects were simultaneously learning different sequences under implicit or explicit instructions. ...

For spinal cord injury patients, new insights for rehabilitation therapy

...and physiological references urged a team of Dutch physiologists to assess leg and arm vascular resistance in SCI individuals. The authors of "Increased Vascular Resistance in Paralyzed Legs After Spinal Cord Injury is Reversible by Training," are Maria T. E. Hopman, Jan T. Groothuis, Marcel Flendrie, Karin H. L....

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