Tag: "adult" at biology news
Calcium channel involved in coronary artery relaxation
...-type calcium channels are not expressed in normal adult
heart muscle cells, they are expressed in the smooth muscle that surrounds the heart's blood vessels. This suggested that the problem might lie in the smooth muscle tissue." Chien-Chang Chen, Ph.D., UI postdoctoral fellow in Campbell's lab and first ...
Social mothers appear to be better mothers
... wild female baboons spend in the company of other adult
baboons, particularly while occupied with grooming...y to spend time within at least 15 feet of another adult
and to groom other females or to allow other females to pick dirt, ticks and other parasites from th...
Research on spleen cells could yield potential cure for Type 1 diabetes
...p into insulin-producing pancreatic islet cells in adult
animals, a breakthrough finding that could yield a...ach to replacing diseased organs and tissues using adult
precursor cells. "We have found that it is possible to rapidly regrow an adult
organelle without the...
Baboons identify each other by status and family
...thin the troop. Baboon groups contain a number of adult
females arranged in a linear dominance rank order. Each female's offspring acquire ranks immediately below those of their mother, with the youngest offspring holding higher ranks than their older siblings. The result is a social structure based sim...
Investigational cancer drug prevents abnormal brain growth, reverses seizures in lab mice
...o reversed abnormal growth in certain areas of the adult
mouse brain. In addition, CCI-779 reduced the frequency of seizures and the death rate in adult
mice that did not have cancer but suffered neurological deficits caused by abnormal growth of brain ...
OHSU researchers reveal relationship between weight gain and female hormones
...nt Elinor Sullivan and other colleagues studied 47 adult
female monkeys. Nineteen of the monkeys had their ... removal of the ovaries during an animal's healthy adult
life allows scientists to study hormone effects in a controlled manner and in the absence of other e...
Nicotine exposure in aging hearts
... atrial vulnerability to inducible AT/AF in normal adult
atria with no atrial disease. Limitations of the Study This study was done using Landendorff-perfused normal young and aged hearts with no other detectable confounding atrial disease. Applicability of these findings to human clinical settings may n...
Age-related decrease in physical ability may be in the genes
... controls posture, balance and muscle movement of adult
and aged mice. "A number of elderly people die each year from injuries related to falling," Rotter said. "Falling down implies a loss of both motor control and sense of balance, properties that are both associated with the cerebellum. We think there ...
Reading the brain
...he youngest age-group and were least active in the adult
group. Those regions include the bilateral precuneus and posterior cingulate located toward the back of the brain and the middle temporal gyrus on the surface of the left side of the brain. Other regions, including the anterior cingulate in the fron...
November science picks!
...imated in the thousands. Although the virus killed adult
white pelicans, the greatest losses were in juveniles in nesting colonies. Up to 100 percent of pre-fledgling pelicans died at some National Wildlife Refuges, with high temperatures and drought potentially contributing to the extensive losses. USGS w...
Red sea urchins found to live up to 200 years
... conditions or other variables, and once they near adult
size our research indicates they do not have growth spurts. With this species, it's pretty simple. The bigger they are, the older they are." The research was done with red sea urchins, Ebert said, but may be at least partly relevant to other sea urc...
Scientists unraveling lice genome to halt blood-sucking pest
...e are genetically similar. The grain-of-rice sized adult
body louse is six-legged and usually yellow to whi...men than men. Usually only a dozen or fewer active adult
head lice are on one person at a time, according to Richard Pollack, of the Harvard University Schoo...
Fruits offer powerful protection from skin cancer
...ressed in most human cancers, but absent in normal adult
tissues, and is considered a promising therapeutic target for novel anticancer therapies. Results of the study showed that resveratrol treatment significantly decreased UVB exposure-mediated up-regulation in the mRNA levels and protein expression of...
OHSU researchers discover molecular signaling system controlling aspects of embryonic development
...Weiss and colleagues have found the Jeb protein in adult
neurons, hinting that this signaling mechanism may...ependent study has found a Jeb-like molecule in an adult
worm (C. elegans), which appears to play a role in learning and memory. "The same molecules that reg...
Familiarity decides if wolf spider loves 'em or eats 'em
...rough the molting process. These influences affect adult
behavior and possibly the evolution of traits." Ma...ild. The research, "Subadult experience influences adult
mate choice in an arthropod: Exposed female wolf spiders prefer males of familiar pheontypes," was f...
UCLA study identifies stem cell in artery wall
...or the first time that specific cells found in the adult
artery wall have stem cell-like potential. Researc...Circulation. The study may lead to a new source of adult
stem cells, which may increase potential treatment options and avoid the controversial use of fetal ...
Exercise and healthy weight delay cancer even among women with highest genetic risk
...ene." The researchers determined the genotypes of adult
female relatives of the original breast cancer patients with mutations. The researchers also queried women about environmental factors that might have influenced their breast cancer risk. Of those factors, the ones that appeared protective were norma...
Landmark study offers new information about breast cancer genes
...se among teenagers on breast cancer development as adult
women: Exercise and appropriate weight during adolescence delayed the onset of breast cancer in women who carry the mutation. Findings that relate the date of birth of the subjects to the risk of breast cancer: Women in this study who carried the b...
U-M scientists find genetic 'fountain of youth' for adult stem cells
...tified a gene that controls the amazing ability of adult
stem cells to self-renew, or make new copies of th...mi-1 was required for self-renewal in two types of adult
stem cells neural stem cells from the central nervous system and neural crest stem cells from the p...
Retroviral protein triggers proliferation of immune cells
...into a chromosome. In some people the virus causes adult
T-cell leukemia/lymphoma, a cancer that responds poorly to treatment and that can cause death within six months of diagnosis. In others, it causes crippling and painful autoimmune-like disorders. Lairmore and a team of colleagues tested the function...
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