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Tag: "mother" at biology news

First link of oral bacteria and preterm birth found in human

...higher risk for possible infections. Only the one mother had an infection. But Han points out that in this...turely is important for the health of the baby and mother and to drive down medical costs, said Han. The mother, who had the presence of Bergeyella, came to ...

Study fishes out new role for prostaglandins

...ndin production. Because they develop outside the mother and are transparent, zebrafish embryos provide a unique model in which to examine prostaglandin's role in development. Yong Cha, a graduate student in DuBois' lab and first author on the study, established a collaboration with zebrafish researcher S...

Congenital rubella syndrome nearly eradicated in the US

...e reported, only one of which was in a child whose mother had been born in the U.S. The remarkable success of the immunization program to eliminate rubella is due to joint efforts by the Centers for Disease Control and Prevention, various state and local health departments, the American Academy of Pediatri...

African amphibians make extreme parental sacrifice: The skin off their backs

... form of post-hatching parental care, in which the mother provides nutrition to her hatchlings via her skin, has never been seen before in amphibians, and may be unique among vertebrates to this group of amphibians," said Nussbaum, a professor of ecology and evolutionary biology and a curator in the U-M Mus...

Cholesterol gets 'thumbs up' for role in digit development

When a new mother counts her newborn's fingers and toes, she probably doesn't realize that cholesterol may be to thank for baby's complete set of 20 digits. Although cholesterol has a bad rap as the sticky, fatty substance responsible for clogging arteries, Vanderbi...

HIV/AIDS rates in Tijuana, Mexico increasing at alarming rate

...greeing to rapid screening and intervention. If a mother tests positive for HIV infection, antiretroviral medicine can be administered to reduce the risk of HIV infection from being passed on to her infant." Health officials in Mexico and the U.S. agree that expansion of free and voluntary HIV screening a...

Study uncovers placental microtransfusions lead to transmission of AIDS virus during childbirth

...e for a large part of the transmission of HIV from mother to baby," the scientist said. "To our knowledge, there have never been any data like this before." A report on the research appears today (Nov. 21) in the latest issue of the journal PloS Medicine. PloS is an acronym for Public Library of Science. ...

Divergent mating systems and parental conflict as a barrier to hybridization in flowering plants

... or after fertilization. Before fertilization, the mother has an interest in picking the best suited father from a larger pool, while all fathers have an interest in being picked. After fertilization, fathers have an interest in maximizing maternal investment in their progeny, while mothers will have an int...

Baby's genes affect mom's cholesterol levels

...ere present in the mothers. However, when both the mother and fetus expressed the same polymorphism, the results were not always as predicted. For example, a genetic variation that raises the levels of triglycerides and cholesterol when expressed in mothers may lower these levels when it is expressed simult...

Studies clarify risk factors for mother-to-child transmission of hepatitis C virus

...ll rate of transmission of the virus from infected mother to child was 6.2 percent in the European study and 3.6 percent in the U.S. study. "Our results strongly suggest that women should not be offered an elective caesarean section or discouraged from breastfeeding on the basis of hepatitis C infection a...

Did humans cause ecosystem collapse in ancient Australia?

...ings by analyzing ancient wombat teeth. "What your mother told you is true: You are what you eat," stated co-author of the study Marilyn Fogel of Carnegie. "Eggshells and teeth both contain evidence of these animals' diets in different forms of carbon. All three animals were plant eaters. Different types of...

Genetics links whale to two different ocean basins

...02 that had been first seen (and sampled) with its mother in Madagascar waters in 2000. Pomilla and her colleague, Dr. Howard Rosenbaum of WCS and AMNH, suspect that the whale could have been a three- to four-year old juvenile at the time of the second encounter with researchers. The only other documentati...

For first time, brain cells generated in a dish

...bly a different method may come up to identify the mother of all stem cells, but we're confident this is it." During experiments, scientists collected cells from mice and used chemicals to induce them to differentiate. During the process, they snapped images of the cells every five minutes for up to 30 hou...

Pregnant women at higher risk for HIV, Uganda study finds

...gs represent a public-health problem, both for the mother and possibly her unborn infant," said the study's lead author Ronald Gray, MD, the Robertson Professor of Reproductive Epidemiology in the Bloomberg School's Department of Population and Family Health Sciences. "We believe that it would be prudent to...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...y become a last resort treatment when an expectant mother is unwilling to stop smoking." Smoking during pregnancy can cause premature delivery, growth retardation and has been blamed for 5 percent to 10 percent of all fetal and neonatal deaths. Maternal smoking can also cause decreased pulmonary function a...

Newly discovered genetic disease sheds light on body's water balance

...dman took blood samples from each baby boy and his mother to search for the cause of the unique disorder. Th... a change from arginine to leucine (R137L) but the mother is normal, suggesting that the baby's mutation occurred spontaneously. The fact that the two affecte...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

...Without antiretroviral therapy for an HIV-infected mother or her baby, transmission of HIV-1 through breast milk occurs in approximately 9 to 16 percent of breastfed infants. In the developing world, many HIV-infected mothers breastfeed rather than use formula due to the high cost of formula, lack of a safe...

NASA probe could reveal comet life, scientists claim

...ill conduct their study through instruments on the mother spacecraft. The Cardiff scientists predict that Deep Impact will verify their theory that the outer crust of the comet will consist of asphalt-like material with permafrost beneath. The small icy fragments blasted out by the impact will include orga...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

...months with your newborn were tough, pity the poor mother dolphin or killer whale. Reporting in the June 30...tive 24 hours a day during their first month. The mother also has minimal sleep during this period, but unlike all other mammals always manages more sleep th...

Researchers pioneer new gene therapy technique using natural repair process

...pies of nearly every chromosome (one each from the mother and father) and they must duplicate these during cell division so that the subsequent cells will also have two each. The wounded chromosome takes advantage of the healthy copies created in preparation for division, and uses them as a template to repa...

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