Current Placenta News and Events | Page 2

Current Placenta News and Events, Placenta News Articles.
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Even natural products can be harmful for the unborn child
Plant products ingested by pregnant women through their diet are broken down by the intestinal microbiota into chemical substances, some of which can cross the placental barrier and reach the fetus. These foreign substances can harm the unborn child, even if they are of 'natural origin'. Researchers at the Department for BioMedical Research (DBMR) at the University of Bern and Inselspital, University Hospital Bern, therefore warn against underestimating the effects of such substances. (2020-05-26)

BCN MedTech presents an automatic method to detect and segment the intrauterine cavity
Twin-to-twin transfusion syndrome (TTTS) occurs in around 10-15% of pregnancies with twins that share the same placenta. Typically, this syndrome appears before 24 weeks' gestation due to abnormal vascular communications located on the surface of the placenta. As a result, blood circulation is not balanced between the two twins, dramatically decreasing their chances of survival. (2020-05-22)

Placentas from COVID-19-positive pregnant women show injury
In the largest study to examine health of placentas in women who tested positive for COVID-19, findings show placentas from 16 women who tested positive for COVID-19 while pregnant showed evidence of injury, according to pathological exams completed directly following birth. (2020-05-22)

Study indicates the need to revise the protocol for detecting Zika in placenta
Brazilian researchers show that the virus can infect different placental regions and that collection and storage methods should be taken into consideration to ensure that the results are trustworthy and representative. (2020-05-20)

Survey: Half of Americans concerned about new moms, babies being in public amid COVID-19
A new national survey conducted by The Ohio State University Wexner Medical Center confirms these fears, finding that nearly 80% of respondents would be concerned about themselves or an expectant mother in their life in the midst of the current COVID-19 outbreak, with almost half expressing fear of going to a scheduled prenatal appointment. (2020-05-07)

First pregnancy complications linked to increased risk of future premature birth
Women whose first baby is born at full term, but who experience complications in pregnancy, have an increased risk of preterm delivery (before 37 weeks) in their next pregnancy, finds a study from Norway published by The BMJ today. (2020-04-29)

Review assesses stem cell therapy potential for treating preeclampsia
A review of using stem cells to treat preeclampsia, a dangerous condition in pregnancy, indicates that mesenchymal stem/stromal cells (MSCs), or their secreted vesicles, have the potential to be used as therapies that could progress to clinical trials. (2020-04-16)

Traditional vegetable diet lowers the risk of premature babies
It turns out we should follow our parent' advice when we're thinking about becoming parents ourselves, with a study finding eating the traditional 'three-vegies' before pregnancy lowers the risk of a premature birth. (2020-04-14)

Deadliest malaria strain protects itself from the immune system
The parasite causing the most severe form of human malaria uses proteins to make red blood cells sticky, making it harder for the immune system to destroy it and leading to potentially fatal blood clots. New research at the Crick has identified how the parasite may control this process. (2020-04-13)

PTSD strongly linked with heart disease in female veterans
Female veterans suffering from post-traumatic stress disorder (PTSD) were substantially more likely to have ischemic heart disease than those without PTSD in a study presented at the American College of Cardiology's Annual Scientific Session Together with World Congress of Cardiology (ACC.20/WCC). (2020-03-18)

Quitting smoking during the first trimester of pregnancy still puts the baby at risk
Although quitting smoking during the first trimester of pregnancy reduces the risk of low birth weight, it isn't enough to protect the unborn child from being born shorter and with smaller brain size, a new study from the University of Eastern Finland shows. The study looked at 1.4 million mother-child pairs in Finland. (2020-02-26)

MicroRNA regulates process vital to placenta growth in early pregnancy
A study by University of South Florida Health (USF Health) researchers discovered how a very large human non-protein coding gene regulates epithelial-to-mesenchymal transition (EMT) -- a process that contributes to placental implantation during early pregnancy, as well as cancer progression and spread. EMT plays a key role in proper placenta growth, critical to the health of the mother and her growing fetus. The USF Health team showed that robustly activating the chromosome 19 microRNA cluster using CRISPR technology inhibited EMT. (2020-02-25)

Think all BPA-free products are safe? Not so fast, scientists warn
Using 'BPA-free' plastic products could be as harmful to human health -- including a developing brain -- as those products that contain the controversial chemical, suggest scientists in a new study led by the University of Missouri and published in the Proceedings of the National Academy of Sciences. (2020-02-18)

Antioxidant in mushrooms may relieve features of 'pregnancy hypertension'
A new study in rats suggests that the natural antioxidant L-ergothioneine could alleviate the characteristics of pre-eclampsia. Researchers at DTU Biosustain work to produce L-ergothioneine biologically. (2020-02-17)

Bovine embryo completely regenerates placenta-forming cells
A calf was born from an embryo lacking cells which form a large part of the placenta, providing new insight into the regenerative capacity of mammalian embryos. (2020-02-07)

Malaria: Vaccine clinical trial for pregnant women yields promising results
Malaria infection during pregnancy represents a major public health problem in the regions endemic for the disease, substantially increasing the risks to mothers and their unborn children. A new vaccine known as PRIMVAC has undergone a clinical trial to study its safety and collect preliminary data on its ability to induce an immune response. (2020-02-04)

Human fetal lungs harbor a microbiome signature
The lungs and placentas of fetuses in the womb -- as young as 11 weeks after conception -- already show a bacterial microbiome signature, which suggests that bacteria may colonize the lungs well before birth. This first-time finding deepens the mystery of how the microbes or microbial products reach those organs before birth and what role they play in normal lung and immune system development. (2020-01-17)

Technique allows dolphin pregnancy exams to mirror those in humans
In a groundbreaking study just published in Veterinary Radiology & Ultrasound, scientists have developed a new ultrasound technique for evaluating dolphin fetuses at all stages of gestation. (2020-01-10)

Does inflammatory bowel disease carry certain risks during pregnancy?
Pregnant women with inflammatory bowel disease (IBD) are more likely to undergo delivery by Caesarean section and face certain risks during pregnancy, according to an analysis published in Alimentary Pharmacology & Therapeutics. (2020-01-08)

Are some antidepressants less risky for pregnant women?
About one in ten women in Québec will suffer from depression during pregnancy. Without treatment, the illness carries risks for both mother and child. Yet antidepressants are not without consequences for fetal development. The team of professor Cathy Vaillancourt at the Institut National de la Recherche Scientifique (INRS) is studying the effects of these drugs in order to identify the least harmful ones. (2020-01-08)

A mother's bugs
Newborn mice derive protective antibodies from their mothers' microbiota. Antibodies derived from mothers' microbiota ward off both localized and widespread systemic infections by the bacterium E. coli. Study points to the role of maternal microbes in offspring protection and neonatal immunity. Findings can inform development of microbe-based therapies against infectious diarrhea in infants. (2020-01-08)

Progesterone from an unexpected source may affect miscarriage risk
Progesterone signaling is key to a healthy pregnancy. An Austrian team's research suggests a link between recurrent miscarriage and disrupted progesterone synthesis. (2020-01-06)

Study: Water births are as safe as land births for mom, baby
A new study found that water births are no more risky than land births, and that women in the water group sustain fewer first and second-degree tears. (2019-12-10)

UConn researchers draw an evolutionary connection between pregnancy and cancer metastasis
Pregnancy might hold the key to understanding how cancer metastasizes in various mammals -- including humans, according to UConn and Yale researchers. (2019-12-05)

Research in sheep suggests possible early test for fetal heart health
Changes in heart rate, due to low oxygen conditions, experienced by the fetus during pregnancy, could be used to predict the future heart health of babies, shows research published in The Journal of Physiology today. (2019-12-04)

Study finds common cold virus can infect the placenta
For the first time, researchers have shown that a common cold virus can infect cells derived from human placentas, suggesting that it may be possible for the infection to pass from expectant mothers to their unborn children. (2019-12-02)

Placenta changes could mean male offspring of older moms more likely to develop heart problems
Changes occur in the placenta in older pregnant mothers leading to a greater likelihood of poor health in their male offspring, a study in rats has shown. Both male and female fetuses do not grow as large in older mothers, but there are sex-specific differences in changes to placental development and function. These are likely to play a central role in the increased likelihood of later-life heart problems and high blood pressure in males. (2019-11-28)

Using artificial intelligence to analyze placentas
A team of researchers has developed a novel solution that could produce accurate, automated and near-immediate placental diagnostic reports through computerized photographic image analysis. (2019-11-25)

Babies exposed to TNFi or tofacitinib in utero experience very few serious infections
A new study found that very few serious infections were seen in children born to mothers with chronic inflammatory diseases who used non-TNFi biologics or tofacitinib during pregnancy compared to children not exposed to these drugs and children exposed to TNFi biologics in utero. These findings are being presented this week at the 2019 ACR/ARP Annual Meeting. (2019-11-09)

NIH-funded study: Placenta imaging method may aid diagnosis of pregnancy complications
A new imaging technique to track maternal blood flow to the placenta has the potential to help diagnose several common complications in early pregnancy, according to a study funded by the National Institutes of Health. Researchers used the technique, referred to as pseudo-continuous arterial spin labeling magnetic resonance imaging (pCASL MRI), to identify women with reduced placental blood flow who later developed one or more complications. (2019-11-06)

Chromosomal aberrations created during in vitro fertilization do not endanger future baby
The process of in vitro fertilization (IVF) is often unsuccessful due to chromosomal changes that occur in an embryo fertilized in a test tube. So far, it was not known whether these changes also transfer to the baby, but an article published in the Nature Medicine journal shows that these genetically mutated cell lines are not inherited to the child. (2019-11-05)

Signaling waves determine embryonic fates
Embryonic stem cells begin to self-organize when they sense interacting waves of molecular signals that help them start -- and stop -- differentiating into patterns. These patterns ultimately guide cells as they become skin, bone, nerve, organs and blood. (2019-10-28)

Studies of autism spectrum disorder reveal new avenues of neuroscience research
Advances in the study of cognitive disorders, including Autism Spectrum Disorder (ASD), may pave the way for future treatments. The findings were presented at Neuroscience 2019, the annual meeting of the Society for Neuroscience and the world's largest source of emerging news about brain science and health. (2019-10-21)

Autism spectrum disorder risk linked to insufficient placental steroid
A study led by Children's National Hospital and presented during Neuroscience 2019 finds that loss of allopregnanolone, a key hormone supplied by the placenta, leads to long-term structural alterations of the cerebellum -- a brain region essential for smooth motor coordination, balance and social cognition -- and increases the risk of developing autism. (2019-10-20)

Placenta transit of an environmental estrogen
The human foetus is considered to be particularly sensitive to environmental contaminants. A team led by Benedikt Warth from the Faculty of Chemistry at the University of Vienna and Tina Bürki from the Swiss Materials Science and Technology Institute, Empa, has now been able to demonstrate for the first time how the widespread food estrogen zearalenone behaves in the womb. Using a new analytical method, it was shown that the xenoestrogen migrates through the placenta and is partially converted to other harmful substances. (2019-10-10)

Babies burdened by environmental estrogens in mothers' wombs
Early childhood life in the womb is particularly sensitive to the effects of environmental pollutants. A team from Empa and the University of Vienna has now for the first time been able to show how a pollutant from contaminated food - the environmental estrogen zearalenone - spreads in the womb and is metabolized into harmful metabolites. (2019-10-10)

Study in rats suggests special occasion drinking during pregnancy may cause harm
If you thought a glass or two of alcohol on special occasions was safe during pregnancy, think again. Research in the Journal of Physiology shows even small amounts of alcohol consumed during pregnancy can cause insulin-resistance, which increases the likelihood of diabetes, in male rat offspring. (2019-10-09)

Placenta pathology may clarify racial disparities in preemie health outcomes
African-American infants are twice as likely to die in the first year of life than white infants, for reasons that are complex and not well understood. Results from a recent study suggest that specific abnormalities in the placenta from African-American preterm births may hold clues to the physical mechanisms behind racial disparities in preemie health outcomes. (2019-10-03)

Scientists unlock secrets of maternal/fetal cellular communication during pregnancy
Researchers have unlocked mysteries surrounding how a pregnant mother's cells and her fetus' cells communicate throughout pregnancy. With this new information, The University of Texas Medical Branch at Galveston team and their colleagues in South Korea can develop new non-invasive methods of monitoring and improving the health of the fetus using this mode of communication. (2019-08-21)

Implantable 3D blastocyst-like embryonic structure generated from mouse stem cells
An international collaboration of researchers from the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan and the Gladstone Institute of Cardiovascular Disease in the USA have generated 3D blastocyst-like structures from stem cells. Published in the journal Stem Cell Reports, the study shows that the blastocyst-like structures very closely resemble actual blastocysts, and even induce proper changes in the uterus after being implanted in pseudo-pregnant mice. (2019-08-08)

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