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Maternal in Biological News

Maternal, paternal genes' tug-of-war may last well into childhood

... lack some genes from one parent suggests that maternal and paternal genes engage in a subtle tug-of-war ... disorders of genomic imprinting suggests that maternal and paternal genes may skirmish over the pace of ... leading to fetal overgrowth, while genes of maternal origin tend to have the opposite effect. This new ...

Does mom know when enough is enough?

... These were birth weight, gender, race/ethnicity, maternal age, education, country of origin, body mass ... For the 3 to 6 month period, birth weight, maternal BMI, infant weight gain from birth to 3 months, ... for the 6 to 12 month period, birth weight, maternal BMI, infant weight gain from 3 to 6 months, ...

Differences among exercisers and nonexercisers during pregnancy

... part of a larger study looking at the effect of maternal exercise on fetal development. The results ... There were no differences between groups based on maternal age, education levels, employment, number of children, fetal gender, and even maternal height. Although these groups were similar in ...

Effects of maternal exercise on fetal breathing movements

... have determined that, generally speaking, maternal exercise poses no significant risk to a fetus, ... study is now complete. Entitled The Effects of maternal Exercise on Fetal Breathing Movements, it was ... of the pilot project was to test the theory that maternal exercise imparts a cardiovascular benefit to the ...

Differences among exercisers and nonexercisers during pregnancy

... part of a larger study looking at the effect of maternal exercise on fetal development. The results ... There were no differences between groups based on maternal age, education levels, employment, number of children, fetal gender, and even maternal height. Although these groups were similar in ...

Effects of maternal exercise on fetal breathing movements

... have determined that, generally speaking, maternal exercise poses no significant risk to a fetus, ... study is now complete. Entitled The Effects of maternal Exercise on Fetal Breathing Movements, it was ... of the pilot project was to test the theory that maternal exercise imparts a cardiovascular benefit to the ...

Mothers of multiple births at increased odds of postpartum depression

... the relationship between multiple births and maternal depressive symptoms and found that multiple births increased the odds of maternal depression, and that few mothers with depressive ... the association between multiple births and maternal mental health, given the rapidly increasing ...

Lincoln Park Zoo scientists awarded National Institutes of Health grant

... chimpanzees and discover how stress relates to maternal behavior and ultimately to offspring stress, ... of the zoo's research is to better understand how maternal behavior influences infant health and development ... "We will use the behavioral data to determine maternal styles. Additionally, health data has been ...

UMMS researchers publish DNA identification of czar's children

... of mitochondrial DNA inherited through the maternal lines and linked the remains genetically to ... able to test the genetic connections through both maternal and paternal lineages," said Rogaev. Rogaev ... mitochondrial DNA sequences from other distant maternal relatives of Queen Victoria in their work. ...

JCI online early table of contents: Jan. 19, 2009

... that a developing fetus is highly susceptible to maternal consumption of excess fat, whether or not the mother is obese, and that a healthy maternal diet is most important for the obesity-related health of a developing fetus. TITLE: maternal high-fat diet triggers lipotoxicity in the fetal ...

New infant feeding and obesity research adds insight to ongoing issue

... stated, "This type of study design controls for maternal factors. Differences in the long-term effects of ... rather than the effects of feeding itself." maternal factors include maternal health ...

Maternal health problems in Myanmar widespread

... The maternal health care issues facing women in eastern Burma ... are also widespread and found to affect access to maternal health care. The findings are published in the ... explored strategies to increase access to maternal health interventions and examined the estimated ...

New technology aims to reduce maternal and neonatal deaths

... As one of the leading causes of maternal and neonatal deaths worldwide, preeclampsia does ... it is responsible for 18 per cent of all maternal deaths, 80,000 premature births and associated ... Victor Han, Canada Research Chair in Fetal and maternal Health, at the Schulich School of Medicine & ...

Exposing chicks to maternal stress leads to long-term reproductive success

... because it is widely accepted that exposure to maternal stress during pre-natal development can have ... stress hormone corticosterone affect maternal fitness in free-living European starlings ( ... manipulation on future reproductive success and maternal survival. Their results provide the first ...

Important new hair-loss gene discovered

... the first hair-loss gene inherited through the maternal line, which explained why hair-loss in men often reflects that of their maternal grandfathers. This newly discovered gene, on the ... the case of hair-loss men often take after their maternal grandfathers. However, the newly discovered gene ...

Almost 7 million pregnant in sub-Saharan Africa infected with hookworms; at risk of anaemia

... lobbying for the inclusion of deworming drugs in maternal health care packages. The study was conducted ... showed that hookworm was associated with maternal anaemia," says Brooker, "and that there are clear benefits of deworming for both maternal and child health." He adds, "In many developing ...

The epigenetics of increasing weight through the generations

... heavier and heavier? One hypothesis is that maternal obesity before and during pregnancy affects the ... of body weight regulatory mechanisms in her baby. maternal obesity could promote obesity in the next ... and his colleagues studied the effect of maternal obesity in three generations of genetically ...

Consumption of nut products during pregnancy linked to increased asthma in children

... many foods is that too much is never good." maternal consumption of allergenic foods during pregnancy ... "The only consistent association between the maternal intake of the investigated food groups during ... authors noted, there was a small effect of daily maternal fruit consumption during pregnancy on reducing ...

Too much or too little weight gain poses risks to pregnant mothers, babies

... that assessed the short- and long-term effects of maternal weight gain on pregnancy, mothers, fetuses, and ... key findings is a strong association between high maternal weight gain and increased fetal growth and infant ... to long term health effects for the child. High maternal weight gain also is associated with cesarean ...

Biology of Reproduction highlights

... A growing body of evidence suggests a maternal influence on sex determination: dominant human ... Kid? Or Mom? maternal cell microchimerism was first detected in ... of a study designed to establish number of maternal cells present, effects of stage of gestation and ...

Clues to ancestral origin of placenta emerge in Stanford study

... seems to be critical for fetal health and maternal heath," Baker said. Despite its major impact, ... may contribute to triggering the onset of maternal labor, and is suspected to be involved in a maternal condition called pre-eclampsia, which is a ...

Negligent, attentive mouse mothers show biological differences

... of mice that exhibit unusually high rates of maternal neglect, with approximately one out of every five ... and behavioral bases of naturally occurring maternal neglect, say UW-Madison zoology professor Stephen ... to influence females' behavior and shows that maternal care can be affected by non-genetic factors. ...

Exercise during pregnancy leads to a healthier heart in moms- and babies-to-be

... are contained in a new study entitled, Effects of maternal Exercise on the Fetal Heart. It was conducted by ... The Study The researchers hypothesized that maternal exercise during pregnancy can have a beneficial ... recordings were obtained from 24 weeks to term. maternal and fetal events were recorded in real time. ...

Mom's obesity during conception phase may set the stage for offspring's obesity risk

... gestational weight gain, limit the exposure of maternal obesity in utero, and control lactation ... To examine the long-term gestational effects of maternal obesity on the offspring, lean (n=7) and obese ... to ensure adequate caloric intake for pregnancy. maternal body weights were monitored three times a week ...

UT-Houston's Northrup and colleagues uncover genetic link to spina bifida

... between high glucose levels, either due to maternal diabetes or obesity and having a child with spina ... are more common in pregnancies complicated by maternal diabetes and maternal obesity, and our study suggests a mechanism for ...

Family ties that bind: Maternal grandparents are more involved in the lives of their grandchildren

... of Antwerp, Belgium, investigated how far maternal grandparents and paternal grandparents will go to ... contact with their grandchildren. They found that maternal grandparents were willing to travel further in ... that they are the biological father. Also, maternal grandparents were always more certain than ...

Evolutionary biology research on plant shows significance of maternal effects

... that plants grown in the same setting as their maternal plant performed almost 3 times better than those raised in a different environment indicating that maternal plants give cues to their offspring that help ... transmission of environmental information between maternal plants and their offspring. Galloway planted ...

Wasp genetics study suggests altruism evolved from maternal behavior

... have long noted the similarity between the maternal behaviors of some wasps and the nurturing and ... colonies and devote much of their early lives to maternal tasks. These wasps start out as single moms, ... becoming distinct from that seen during her maternal period. Toth noted that the P. metricus wasps ...

454 Sequencing uncovers a genetic basis for different social behaviors in wasp

... expression supports an evolutionary link between maternal behavior and eusociality," appears online (ahead ... been proposed that worker behavior evolved from maternal care behavior. The researchers explored this idea ... was more similar to foundresses, which show maternal care, than to queens and gynes, which do not. ...

Weight gain between first and second pregnancies associated with increased odds of male second child

... term a baby boy or girl. Our study suggests that maternal nutritional factors might play a role, said ... associated with both lower and higher sex ratios. maternal nutritional status had been studied, but there ... study wanted to test was whether the increase in maternal obesity in several industrialized countries could ...

Low vitamin D during pregnancy linked to pre-eclampsia

... is the leading cause of premature delivery and maternal and fetal illness and death worldwide, ... Foundation. Our results showed that maternal vitamin D deficiency early in pregnancy is a ... were selected for further study. Samples of maternal blood were taken prior to 22 weeks pregnancy and ...

Women with endometriosis need special care during pregnancy to avoid risk of premature birth

... "we were not surprised to find that women suffering from it were of higher maternal age and had fewer children. However, after adjusting for maternal age and other confounding factors, the strong association between ...

Female human embryos adjust the balance of X chromosomes before implantation

... when the X chromosome inherited from the father is turned off, while the maternal X chromosome remains turned on. As the cells carry on dividing and reach ... off again, but this time it is a random process and it can be either the maternal or paternal X chromosome that is switched off," explained Ms van den Berg, ...

Lack of happiness hormone serotonin in the brain causes impaired maternal behavior in mice

... brain slows the growth of mice after birth and is responsible for impaired maternal behavior later in life. This was the result of research conducted by Dr. ... give birth and produced enough milk to feed their pups, but their impaired maternal behavior led to poor survival of the offspring. The Tph2 gene was ...

Specific genetic cause of fetal alcohol-related developmental disorders found

... occur because alcohol consumption during pregnancy decreases the level of maternal thyroid hormones and, therefore, fetal thyroid hormones. "Specific ... this process, Dio3 normally originates from the father's gene, while the maternal gene is silenced by epigenetic control. But alcohol exposure changes the ...

The evolutionary foundation of genomic imprinting in lower vertebrates

... and a regulatory mechanism to keep a balance of supply and demand for maternal nutrients between mother and fetus in mammalian species. However, how ... that, unlike mammalian imprinting gene DMR, the unmethylated DMR of maternal allele could not resist methylation reprogramming and started de novo ...

Frogs reveal clues about the effects of alcohol during development

... to address the mechanism underlying the characteristics associated with maternal consumption of alcohol in early pregnancy. Alcohol consumption prevents ... to address the mechanism underlying the characteristics associated with maternal consumption of alcohol in early pregnancy. ...

Researchers take first look at the genetic dynamics of inbreeding depression

... general, an organism with two parents has two versions of every gene one maternal and one paternal. These different flavors of a gene are called alleles. If the maternal and paternal alleles differ, one of them usually dominates, conferring all ...

Smoking during pregnancy may impair thyroid function of mom and fetus

... during pregnancy is associated with potentially harmful changes in both maternal and fetal thyroid function, according to a new study accepted for ... with changes in the mothers' thyroid hormone levels." Optimal maternal thyroid function during pregnancy is vital for a successful pregnancy ...

Mothers pass on disease clues to offspring

... effect on immune response based on environmental cues with maternal perception of disease risk in the immediate environment potentially ... spread. Researchers then measured the effect of these 'ambient cues' on maternal physiology and behaviour, along with the social behaviour and immune ...
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