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Tag: "childhood" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...ially wake up the reproductive hormones from their childhood hibernation. Within 30 minutes of kisspeptin being administered to male monkeys, LH, one of the hormones stimulated by GnRH secretion, was no longer dormant, with levels 25-times higher than its baseline of zero. In addition to Dr. Plant, other auth...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...atal. Those for whom symptoms first appear late in childhood live longer, but life expectancy remains greatly decreased. Although Pompe disease is a relatively rare disease, it is but one of a group of related "lysosomal storage diseases," which in total occur in about one in 5,000 births. The current study i...

Children's taste sensitivity and food choices influenced by taste gene

... bitter taste," comments Mennella. "It may be that childhood represents a time of heightened bitter taste sensitivity in some children, which lessens with age. Such a scenario would account for the increase of vegetable consumption that often occurs as children mature into adulthood. This is definitely an area...

Asthma gene clusters identified

...aid. Asthma is the most common chronic disease of childhood affecting 20 million Americans, according the Cent...en identified as being activated in acute forms of childhood asthma. Dr. Hershey said the findings open the door to the possibility of developing treatments bas...

US life expectancy about to decline, researchers say

...Ludwig said. "The rapidly escalating prevalence of childhood obesity and its most feared complication, Type 2 diabetes, raises the prospect of heart attack becoming a common condition of young adulthood." The authors expect that this study will raise awareness of the importance of increased funding for obesit...

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

... as a growing problem for a host of diseases, from childhood ear infections to malaria. Last year, the FDA published a report calling attention to inefficiencies in the drug and medical product development process, urging changes to make the process “more predictable and less costly.?The latest estimates put ...

Sickle cell and protection against malaria

..., they found that this protection increased during childhood up to age 10, and then declined. It is estimated that cases of malaria causes approximately a million deaths yearly, the overwhelming number of which are young children in sub-Saharan Africa. It has been known for many years that in those areas most...

New Estimates For The Causes Of Child Deaths Worldwide

...o look at the single most important determinant of childhood death -- which has to be poverty. Childhood mortality is strongly inversely correlated with per-capita health expenditure. In today's world, an Ethiopian child is over 30 times more likely than a western European to die before his or her fifth birthd...

Emergence of cancer as major cause of childhood death in developing countries is not being adequately addressed

...proving the cure rates of leukemia—the most common childhood cancer—as well as Burkitt lymphoma, Wilms tumor, Hodgkin disease and other curable malignancies. “We’ve found that recruiting local oncologists to serve as program directors gives the best results,?Ribeiro said. “The recruited oncologists serve as p...

Chromosome Deletion Predicts Aggressive Neuroblastoma

...mosome 11, the result is an aggressive form of the childhood cancer neuroblastoma. A new study suggests that detecting this genetic deletion during the initial evaluation of children with neuroblastoma may indicate to physicians that they should recommend a more aggressive regimen of chemotherapy to fight the ...

Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia

... for overcoming this cause of treatment failure in childhood ALL," explains Dr. Evans. ...

Measles Deaths Worldwide Drop By Nearly 40% Over Five Years

...e accomplished." Measles is an important cause of childhood deaths. Only a decade ago, measles killed millions of children each year and affected 30 million more, leaving many with life-long disabilities like blindness and brain damage. "In many places where families once lived in fear of losing their childr...

Cellular Defects in Premature Aging Disease are Reversible

... one step closer to understanding this devastating childhood disease and might provide insights into the normal aging process. HGPS is a rare inherited disease affecting about one in eight million children. While appearing normal at birth, infants with HGPS age rapidly after their first 18 months, and physica...

Gov't Creates Gene Database of Normal Human Tissues

... which accounts for 7 percent to 10 percent of all childhood cancers. Even though the tumor samples were taken from a variety of patients with different stages of cancer, the database kicked out a list of 19 genes that were consistently overexpressed compared to normal brain tissue. "All of these genes are in...

While on trail of dioxin, scientists pinpoint cancer target of green tea

...at Tulane, where she is looking into the causes of childhood leukemia. ...

Fragile US vaccine system needs improvement despite dramatic gains in health over past century

...nine of the twelve vaccine-preventable diseases of childhood have been in short supply. As of 2004 only four co... vaccines for seven of the preventable diseases of childhood are manufactured by only one company. The rising cost of vaccines, due partly to compliance with reg...

NIH renews network focused on how genes influence drug responses

...to anticancer drugs, including those used to treat childhood leukemia and colorectal cancer. (Mark Ratain, M.D., University of Chicago, and Mary V. Relling, Pharm.D., St. Jude Children's Research Hospital) Pharmacogenomics of Arrhythmia Therapy --$14 million provided by NHLBI to discover the common DN...

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections

...chemist and a doctor who specializes in infectious childhood diseases have joined forces to create an early detection method for a respiratory virus that is the most common cause of hospitalization among children under five. Respiratory syncytial virus (RSV) sends about 120,000 children to the hospital in the...

Hospitalizations because of chicken pox down dramatically since implementation of vaccine

... "?these findings do not conclusively confirm that childhood varicella vaccination is as cost-effective as orig...work time attributable to varicella. As with other childhood and adolescent vaccines that have recently been recommended (e.g., pneumococcal and meningococcal co...

Neanderthal teeth grew no faster than comparable modern humans'

...ancient Neanderthals might have had an accelerated childhood compared to that of modern humans but that seems f... a more-accepted tool for estimating the length of childhood among hominids, the finding is the latest evidence suggesting that Neanderthals may not have been as...

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