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Tag: "born" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...ng trouble falling asleep. Surprisingly, babies born to mothers classified as anxious or depressed whil...s. However, this sleep was less sweet; children born to mothers who were depressed or anxious during pregnancy experienced more sleep problems. For insta...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

...osis (LCA), comes at a time of hope for the people born with the disorder. Scientists at Moorfields Eye Hospital, London, recently announced the start of clinical trials for a gene therapy involving injecting genes into the eye of patients with LCA to restore their sight. The finding of the new LCA gene, ...

New vaccine prevents CMV infection and disease in mice

...ividual. However, two percent of all children are born with the virus passed on by the mother in utero, and 15 percent of those children will show symptoms such as hearing loss, mental retardation, motor or learning disabilities. Because the host’s natural immune system can protect from the disease but...

Newborn neurons like to hang with the 'in' crowd

...al stem cells that give rise to new neurons. Newly born neurons infected with virus were marked by a fluor... As a matter of fact, only about half of all newly born neurons manage to successfully integrate into the existing network of brain cells, at least in mice ...

Researchers publish first marsupial genome sequence

...s are unique among mammals because their young are born at an extremely early stage of development, attach to their mother's teats and complete their subsequent development while in a protective pouch. This makes the young readily available for early developmental research. There are many other areas ...

Switching genes to overdrive improves muscular dystrophy symptoms in mice

...s. In the United States, about 400 to 600 boys are born each year with DMD or Becker Muscular Dystrophy, a milder form of the disease. The cause is a mutation, either inherited or occurring spontaneously, that affects a muscle protein called dystrophin. Spiegelman, whose laboratory discovered PGC-1alph...

Pitt study notes decline in male births in the US and Japan

...rgh-led study found significantly fewer boys being born relative to girls in the U.S. and Japan, and that an increasing proportion of fetuses that die are male. They note that the decline in births is equivalent to 135,000 fewer white males in the U.S. and 127,000 fewer males in Japan over the past three ...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

... The study shows that male twins with a sister are born lighter than those with a brother, making them smaller than the optimal size for males. The research also shows that saigas are the supermums of the hoofed animal world with no other similar species investing more in their offspring during pregnancy...

New study challenges 'critical period' in childhood vision development

...alman, were introduced to a woman in India who was born blind due to dense congenital cataracts in both eyes. The woman lived as a blind child for 12 years before she received treatment. Now, twenty years after her surgery, the researchers found that she is able to discern between separate objects, dete...

Newborn brains grow vision and movement regions first

...ding by the UNC team is that boys, on average, are born with brains about 10 percent larger than the brains of girls. This is consistent with the pattern seen in adults, Gilmore said -- men typically have a brain about 10 percent larger than that seen in women. "What's interesting about this is it shows...

Researchers find gene mutation that causes infertility in male mice

... found that female mice with the Dmc1 mutation are born with fewer egg cells and can run out of eggs prematurely -- resulting in early menopause (or "mousapause" as the researchers humorously refer to the condition). To get their results, the researchers randomly induced mutations in the mouse genome an...

Autism gene identified by researchers at Yale working with a global research consortium

... of these genes, there is a higher chance of being born with autism or a more severe form of the disease. Autism is a complex brain disorder that inhibits a person’s ability to communicate and develop social relationships, and is often accompanied by extreme behavioral challenges. Autism Spectrum Diso...

Tumor-suppressor gene is critical for placenta development

...nter and human cancer genetics program. "People born with one mutated Rb gene have a higher risk of developing retinoblastoma. But are they also predisposed to miscarriage? Do Rb-related defects in the placenta cause learning or physical abnormalities? We are investigating these questions now." Scie...

Study to explore using magnets to correct 'sunken chest'

... The condition occurs in about one in 800 children born in the United States each year and is three times more common in boys than girls. A UCSF team developed the new procedure, in which a magnet attached to the child's breastbone is coupled with a second one outside the chest that creates a steady, c...

Prenatal cocaine's lasting cellular effects

... distinguish those children at birth from children born to anyone else," he said. "However, as those children age, they do develop deficits in their cognitive and emotional development." These children often exhibit attention and arousal problems, similar to children with attention deficit hyperactiv...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...as Napoleon's have a poor prognosis." Napoleon, born Aug. 15, 1769, ruled France in the late 1700s and early 1800s. He conquered much of Europe, but he was ultimately defeated at the battle of Waterloo in 1815. The British then exiled him to St. Helena, an island in the South Atlantic Ocean. He died...

Gene study shows three distinct groups of chimpanzees

...pulation were rare, with most of the hybrid chimps born in captivity. "We saw little evidence of migration between groups in the wild," said Celine Becquet, first author of the paper and a graduate student in Przeworski's laboratory. "Part of that could stem from the gaps in our samples, but we think m...

Largest genomic search finds genes that may contribute to autism

... thought to increase a child's likelihood of being born with autism or a more severe form of the disorder, just as there are genes that heighten a person's chances for inheriting breast cancer or heart disease. Autism is actually a spectrum of disorders that inhibits a person's ability to communicate a...

Like salty food? Chances are you had low blood sodium when you were born

A new study concludes that low birthweight babies born with low sodium (salt) in their blood serum will l...ear that very low serum sodium in pre-term and new born infants is a consistent and significant contributing factor for long-term sodium intake, a key marke...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...tal vaccine that reduces stillbirths among rodents born to mothers infected with cytomegalovirus (CMV)—a c...life. Estimates place the number of U.S. children born with CMV each year at about 40,000, and there is no vaccine or treatment for pregnant women who have...

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