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Tag: "children" at biology news

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

...searchers that a gene called GPR54 is defective in children with a rare disorder that inhibits puberty's onset. To better understand what role GPR54 plays in the initiation of puberty, as well as learn about KiSS-1, which in earlier rodent studies had been identified as a molecule that activates a signal rece...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

... Over a period of four years, about a third of the children suffered from amebic colitis, an ulceration of the stomach lining. Petri says the genome data will help researchers find more about what makes some people innately resistant to infection by E. histolytica, and what acquired immune responses can prot...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

... the most commoncause of acquired heart disease in children in developed countries. In the first of two studi...o screen respiratory specimensfrom 895 symptomatic children under age 5 who had tested negative forother viral infections. They found 79 (9 percent) who were po...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...amine. Allergy experts estimate that 14 percent of children 6 to 19 years old are allergic to cats. The treatment comprises a molecule that loosely tethers a feline and a human protein together. The feline end is the notorious protein (called Fel d1) found in cat dander and saliva that causes so much misery ...

Mouse brain tumors mimic those in human genetic disorder

...ors with many of the same features as those seenin children with NF1, and studying those tumors has helped usu...ng clinical characteristics as tumordevelopment in children with NF1.First, the mice developed tumors along the optic nerve and opticchiasm, which transmit visu...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...rly success of enzyme replacement therapy for some children with Pompe disease, a need for gene therapy remain...apy might offer an alternative treatment for those children who fail to respond to enzyme replacement therapy, he said. Even for those that respond well to enzy...

Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine

... that is significantly more effective atprotecting children against the disease. The St. Jude researchersdeter...e a problem that now hinders ourability to protect children from this infection,?Tuomanen said.Current pneumonia vaccines designed to protect adults against mor...

New comparative toxicogenomics database

... that is significantly more effective atprotecting children against the disease. The St. Jude researchersdeter...e a problem that now hinders ourability to protect children from this infection,?Tuomanen said.Current pneumonia vaccines designed to protect adults against mor...

Genetically modified natural killer immune cells attack, kill leukemia cells

...Hospital, suggests a way to improve the outcome of children who receive treatment for acute lymphoblastic leuk...ing this strategy being added to the management of children with ALL," said Chihaya Imai, M.D., the postdoctoral student who did most of the work on this projec...

Placenta Is A Rich Source Of Blood Stem Cells

... center, where its discoveries have benefited both children and adults for over 136 years. More than 500 scien... sensitivity to the complex needs and diversity of children and families. Children's also is the primary pediatric teaching affiliate of Harvard Medical School....

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...This finding could help physicians predict whether children receiving such a transplant will experience either...or its pioneering work in finding cures and saving children with cancer and other catastrophic diseases. Founded by late entertainer Danny Thomas and based in M...

Simple drug has the potential to save many lives threatened by malaria

A simple drug, given to children with severe malaria before they reach hospital, ha...ers in this week's BMJ. Every year over a million children die of malaria in Africa. The majority of fatalities occur outside hospital, especially in rural are...

Bird Brains Show How Trial and Error May Contribute to Learning

... A similar brain pathway in humans may explain how children learn to talk by listening to themselves and others, and how adults learn and hone new motor skills, such as tennis. The process relies on feedback about what works and what doesn't, also called experience-dependent or performance-based learning. "T...

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

...aste receptor gene influences taste sensitivity of children and adults, accounting for individual differences ...netics. The findings may help to explain why some children are more attracted to sweet-tasting foods, as well as why taste and food preferences appear to chang...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

... and its contents, a number that will rise as more children are born premature. In the study, a team led by Staci Bilbo, PhD, injected a group of 49 rat pups on postnatal Day 4 either with the common intestinal bacteria E. coli, with salt water, or with nothing. In rats, Day 4 is like the third trimester in ...

Asthma gene clusters identified

...y of designing treatments specifically tailored to children who suffer from the severest forms of asthma. The...lysis of RNA isolated from the nasal epithelium of children who have an acute case of asthma or asthma stabilized with medication. The analysis revealed two dis...

US life expectancy about to decline, researchers say

... also predict that the rapid rise in obesity among children and teenagers in the past 30 years will have life-...e largest increases in obesity have occurred among children and minorities. Body weight is affected by many genetic, psychological and environmental factors th...

How the environment could be damaging men's reproductive health

...changes on sex ratio of offspring as the number of children born to these fishermen was small. "However, we t...ear the testes had descended fully in 51 of the 68 children (75%) who were followed up, reducing the overall rate of the condition from 5.7% to 1.4%. Dr Niels ...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...e studies that follow human drug abusers and their children over decades provide valuable information, animal studies can more quickly provide clues to the underlying mechanisms of damage and suggest ways to test new treatment or prevention strategies," said Benveniste. The imaging tools could also be used t...

Viral protein influences key cell-signaling pathway

...ntact with infected blood and by infected women to children through breast milk. HTLV-1, like its cousin HIV, inserts its genetic information permanently into the DNA of a T lymphocyte and remains there for the life of the cell. HTLV-1 infection is also lifelong. A hallmark of HTLV-1 infection is the prolife...

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