Tag: "adult" at biology news
Aged roaches experience perils of stiff joints, find Case researchers
...ach movement was much different from their younger adult
counterparts. Aging is complicated for the six-le...e 60-week-old adults to 95 percent for 65-week-old adult
roaches. Changes in the sticky pads that help roaches climb walls or on inclined surfaces also unde...
Science paper: Overharvesting of Brazil nuts leading to fewer trees
...ue comprehensively, comparing surveys of young and adult
Brazil nut trees in nearly two dozen Amazonian forest stands with current and historical data about nut harvests in each. The research was conducted in parts of the Brazilian, Peruvian and Bolivian Amazon. For the surveys, the scientists recorded ev...
Teenage pregnancy may put girls at risk for osteoporosis
...e to the existing data for pregnant adults. Unlike adult
women, however, girls must accrue forty percent of their total bone mass during adolescence. Girls who consumed more calcium during pregnancy showed less bone loss when tested post-partum than those with poor or average calcium intakes. A related stu...
'HapMap' scientists provide detailed plans
... will be from 30 "trios" -- sets of parents and an adult
child -- 45 samples from Japanese and 45 samples from Han Chinese will be from unrelated people. Chakravarti, who plans to use the freely available products of the HapMap to determine the genetic underpinnings of heart disease, diabetes and...
Dec. 17 JAMA study shows new 'biologic' drug reduces psoriasis symptoms, improves quality of life
...ind, placebo-controlled study of efalizumab on 556 adult
psoriasis patients at 30 centers in the U.S. and Canada. Patients received weekly injections of the drug or a placebo for three months. Researchers assessed the extent of the psoriasis on the head, upper and lower limbs, and trunk of each patient. ...
Alcoholics with antisocial personality disorder have blunted emotional reactivity
...and unpleasant events. New research has found that adult
male alcoholics with antisocial personality disord...ound abnormally low emotional responsiveness among adult
male alcoholics with antisocial personality disorder (ASPD). Study authors say these findings may r...
Nature and nurture in temperament
...h percentile on a population distribution of 2,149 adult
Finnish women and men, relative to participants who were not carrying the 2- or 5-repeat alleles. The genotype had no effects on NS when the childhood environment was more accepting....
New method of identifying and isolating stem cells developed
...s suggests possible commonalities in how different adult
stem cell types distinguish themselves from their own progeny," Fuchs explains. "Previously we knew of just a handful of proteins that distinguish skin stem cells from their progeny, and now we know of more than 100," says Fuchs. "The laboratory is n...
Mouse embryonic germ cells and male gametes created in the lab
... may offer insights to help scientists "reprogram" adult
cells to create different tissues needed by the bo...ess, which involves transferring the nucleus of an adult
cell into an egg, causes many of the parent-specific imprints to be lost. This loss is responsible ...
A little stress may be good for you
...xpression of all chaperones, was underexpressed in adult
animals, longevity was suppressed. When heat shock factor was overexpressed, lifespan increased. The results suggest that heat shock factor has significant beneficial effects to the organism as a whole. "The heat shock response is identical in al...
Atkins diet may reduce seizures in children with epilepsy
...r at least four months, two children and one young adult
were seizure-free and were able to reduce use of anti-convulsant medications. Findings of the study, scheduled for presentation today at the American Epilepsy Society Meeting in Boston, also showed that seizure control could be long-lasting on the di...
Researchers look to stem cell therapy and bone marrow transplants to find a cure for diabetes
...fferentiation. Recent research has indicated that adult
bone marrow is a potential source for cells with pluripotent differentiation capacity, or the ability to give rise to any number of differentiated cell lines. "Human bone marrow is an ideal source for stem cells because it is readily availa...
UIC researchers create tissue-engineered joint from stem cells
...ty of Illinois at Chicago have successfully turned adult
stem cells into bone and cartilage, forming the ba...like tissues was grown from a single population of adult
stem cells," said Jeremy Mao, director of the tissue engineering laboratory at UIC and associate pro...
First-ever UN University diploma offered to grads of online water-management course
...riculum is designed as an undergraduate course for adult
professionals, usually with undergraduate degrees but with little or no training in IWRM. It will be of greatest immediate benefit to engineers, district managers, government administrators and others responsible for water management at the national...
Gene may protect against heart disease rather than be harmful as previously thought
...es against heart disease, the number one killer of adult
men and women in the United States. "Right now, the main ways we have to prevent heart disease relate to cholesterol, blood pressure and other risk factors for heart attack," says Idel. "In the long term, our hope is that we will have a more complex ...
Cell death promotes learning growth
...ntroduce the notion that removing neurons from the adult
brain can be an important process in learning and memory and a novel mechanism through which neurogenesis may influence normal and pathological behaviors....
Researchers reveal early steps in clone development
.... "Instead of a sperm, the egg has to work with an adult
cell from the organism that is being cloned. We us... think that during cloning, the egg integrated the adult
cell as easily as it does the sperm. "However, once the first few steps of development occur, the re...
Urban black bears becoming couch potatoes, study says
...which can consist of everything from berries up to adult
deer. Instead, they are choosing to forage in dumpsters behind fast-food restaurants, shopping centers, and suburban homes, often eating their fill in far less time than it would take to forage or hunt prey. "Black bears in urban areas are putting ...
Scientists report on promising new approaches to induce cancer cell suicide
...d in a majority of human cancers but not in normal adult
tissues, making it a potential target for cancer therapies. LY2181308 is an anti-sense oligonucleotide that potently downregulated survivin expression in human cancer cells derived from lung, colon, breast, prostate, ovary, cervix, skin and brain. "...
Calcium channels control coronary artery relaxation
...ecause we knew that a T-channel was not present in adult
ventricular muscle," said Campbell. "So, it must have been caused by another abnormality, maybe in the blood vessels." When the researchers performed visual studies of the coronary arteries of the mice and measured their contractility, they found the...
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