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Tag: "pregnancy" at biology news

Hide and seek: Researchers discover a new way for infectious bacteria to enter cells

...s, listeriosis can be fatal, and infections during pregnancy can lead to miscarriage, stillbirth, premature delivery, or infection of the newborn. The research was conducted by Pascale Cossart, a Howard Hughes Medical Institute international research scholar, and her colleague Esteban Veiga at the Institut P...

New technique rapidly detects illness-causing bacteria

...ult shows up as a red line on a strip, much like a pregnancy test. Newly designed software gives researchers a ..., it turns the strip visibly red, much like with a pregnancy test. The entire process takes only 35 minutes, while traditional gene amplification techniques may...

Gene discovery sheds light on causes of rare disease, cancer

...s, listeriosis can be fatal, and infections during pregnancy can lead to miscarriage, stillbirth, premature delivery, or infection of the newborn. The research was conducted by Pascale Cossart, a Howard Hughes Medical Institute international research scholar, and her colleague Esteban Veiga at the Institut P...

Defect in gene causes 'neuralgic amyotrophy'

...uch as vaccination, infection, operation, and even pregnancy or childbirth. By virtue of their genetic predisposition, carriers of the hereditary form of HNA run greater risk of having an attack. Its re-occurrence, and the fact that the disease is provoked by environmental factors, make this disorder unique in...

Israeli scientists successfully transplant frozen-thawed ovaries in sheep

...nsplant might interfere with natural conception so pregnancy may require IVF techniques, but we have been able to demonstrate long-term intact organ cryopreservation with restored function following thawing and transplantation, in a large animal for around 36 months post-transplantation," said Dr Arav. "This a...

Lactose intolerance linked to ancestral environment

...ally in hot climates. Nausea and vomiting early in pregnancy also may protect women and their embryos from food-borne pathogens and other toxins." A Darwinian medicinal view complements traditional medicine, Sherman said, because if researchers can better understand why a symptom occurs, such as a fever, runn...

Scientists closer to new cancer detection method

...d like to see this assay become as convenient as a pregnancy test," said Chaoyong James Yang, a chemistry doctoral student in the Tan group and the first author of the paper. "Put the probe inside a few drops of body fluid or blood and a color change would be an indication of the existence of a cancer biomarke...

Studies on human genome variation provide insight into disease

...ight into human biology and disease. Predicting pregnancy success Successful human reproduction and the maintenance of early pregnancy are dependent on a cluster of genes on chromosome 19 called the Luteinizing Hormone/Chorionic Gonad...

Housecat-sized Siberian tiger cubs get collared

...ight into human biology and disease. Predicting pregnancy success Successful human reproduction and the maintenance of early pregnancy are dependent on a cluster of genes on chromosome 19 called the Luteinizing Hormone/Chorionic Gonad...

Chernobyl: The true scale of the accident

...f any effect on the number of stillbirths, adverse pregnancy outcomes, delivery complications or overall health of children. A modest but steady increase in reported congenital malformations in both contaminated and uncontaminated areas of Belarus appears related to better reporting, not radiation. Did the tr...

Cells from amniotic fluid used to tissue-engineer a new trachea

..., DC. Amniotic fluid is easily collected during pregnancy and contains unspecialized cells, known as mesenchymal stem cells, that can make many of the tissues needed to perform repairs, Fauza says. While tracheal defects are rare, they're life-threatening: babies born with incomplete, malformed or missing...

Womb needed for proper brain development

...opment. When a fetus's brain is developing during pregnancy in utero, very little patterned sensory stimulation reaches the brain, she explained. The eyelids are closed, the infant is bathed in fluid and minimal sounds are perceived. In contrast, once the premature infant is born, he is necessarily bombarded...

Study finds that nutritionally enhanced rice reduces iron deficiency

...ear causes more than 60,000 maternal deaths during pregnancy and childbirth. Recent statistics from the Micronutrients Initiative of Canada and the United Nations Children's Fund indicate that more than half of the developing world's children between 6 months and 2 years of age are iron-deficient during the c...

Birth defects: 8 million annually worldwide

...ionals to maximize the chances of having a healthy pregnancy and a healthy baby. Improvement Is Possible, March of Dimes Says Although poorer nations may lack resources for these recommended programs and their health services are already severely stretched, the March of Dimes report says major improvement...

Ultrasounds show mothers' drinking shrinks fetal brain

...ise in maternal-fetal health. Alcohol use during pregnancy is a leading preventable cause of birth defects an...ene with women at high-risk for an alcohol-exposed pregnancy is prior to pregnancy," says Louise Floyd of the Fetal Alcohol Prevention Team. "What we are hoping ...

Hyena mothers give their cubs a helpful dose of hormones

...t alpha females had higher androgen levels late in pregnancy when compared to the subordinate, pregnant females in the pack. Consequently, the cubs of the alpha females were more aggressive and exhibited more sexual play, characteristics that elevate the chances for life-success in both sexes. In hyena packs,...

Absence of critical protein linked to infertility

...r protein C/EBPb must be present in the uterus for pregnancy to occur. The study appears online this week at th...od supply and forms the placenta. For a successful pregnancy to occur, stromal cells of the uterus must be transformed into decidual cells, which secrete nutrien...

US woman gives birth to baby from world's first frozen donor egg bank

... to the waiting woman who wishes to experience the pregnancy and birth of her baby. "We're very happy this tec...rey Boldt, PhD, Scientific Director for CEI. The pregnancy rates with donor eggs are beginning to show success rates equivalent to pregnancy rates using eggs b...

First link of oral bacteria and preterm birth found in human

... prior to 30 weeks than those that happen later in pregnancy and can result in babies born with many health challenges and who struggle to thrive at their low-birth weights. According to 2003 statistics from the March of Dimes ( http://www.marchofdimes.com/prematurity/15341_10734.asp ), hospital charges for n...

Prenatal nicotine exposure reduces breathing response of newborns...

... prior to 30 weeks than those that happen later in pregnancy and can result in babies born with many health challenges and who struggle to thrive at their low-birth weights. According to 2003 statistics from the March of Dimes ( http://www.marchofdimes.com/prematurity/15341_10734.asp ), hospital charges for n...

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