In a new study, Yale researchers demonstrate Zika virus infection of cells derived
from human placentas.
And Celularity is a company that's commercializing cellular medicine derived
from the human placenta.
Mesenchymal stem cell - like cells derived
from human placenta can improve heart function in a mouse model of myocardial infarction
It comes
from the human placenta, or for health and safety reasons, it can be derived from sarasapogenin and diosgenin or soybeans.
Not exact matches
A fact sheet
from the US Environmental Protection Agency (EPA), indicates that about 90 % of exposure for
humans is due to eating contaminated food, since dioxins and furans typically accumulate in the fatty tissues of fish and animals that are exposed when these by - products are released into the water and air during manufacturing.2 Dioxin is not metabolized in our bodies, and is passed to our children through the
placenta and breastfeeding.3 Sodium Polyacrylate - Super Absorbent Polymers While actual contact with disposable diapers does not contribute to dioxin accumulation in your baby, your baby's bottom does come in contact with chemicals used to increase the absorbency of the diapers.
Note that some have such view for religious reasons, some have such view for purely scientific ones (e.g., for a fetus in a stage late enough that it would have survived in nICU if delivered prematurely, it's hard to make an argument that merely being attached to a
placenta and not to nICU life support somehow turns the fetus
from a live
human being to «perfectly fine to surgically excise part of mother's body».
To understand if cell sex might be an additional important factor influencing outcomes, the team incubated nanoparticles with
human amniotic stem cells (hAMSCs) which were extracted
from the amniotic layer of
placenta attached to male and female fetuses.
Researchers at the University of Pittsburgh and Magee - Womens Research Institute (MWRI) have devised a cell - based model of the
human placenta that could help explain how pathogens that cause birth defects, such as Zika virus, cross
from mother to unborn child.
Some scientists study cells, called primary
human trophoblasts, that are isolated
from placentas obtained after childbirth, but such cells do not divide, can be more difficult to obtain, and are more difficult to genetically manipulate to learn about biochemical pathways that have a role in placental function, Dr. Coyne said.
Humans and most other mammals, however, require a
placenta that can draw nutrients appropriately
from the mother's blood throughout an extended pregnancy.
In
human fetuses, antibodies
from the mother's egg and others that pass across the
placenta help build its developing immune system.
That plan is reflected in the title of a 26 February request for grant applications,
from NICHD and the National Institute of Biomedical Imaging and Bioengineering (NIBIB), that calls for «Paradigm - Shifting Innovations» in how to assess the
human placenta.
Figure 1: The blastocyst is a hollow sphere made of approximately 150 cells and contains three distinct areas: the trophoblast, which is the surrounding outer layer that contains the trophoblast stem cells and later becomes the
placenta, the blastocoel, which is a fluid - filled cavity within the blastocyst, and the inner cell mass, also known as the embryoblast, which can become the embryo proper, or fetus, and is where
human embryonic stem cells are isolated
from.
Fetal endothelial and mesenchymal progenitors
from the
human term
placenta: Potency and clinical potential.
Scientists at the University of Cambridge have for the first time shown that it is possible to derive
from a
human embryo so - called «naïve» pluripotent stem cells — one of the most flexible types of stem cell, which can develop into all
human tissue other than the
placenta.
The researchers believe this study may have implications for women stressed during pregnancy or treated clinically with glucocorticoids, if the mechanisms are similar in
humans, though it is unclear yet the extent to which changes in the ability of the
placenta to transport nutrients to the foetus exacerbate or protect the child
from the potential adverse effects of glucocorticoid overexposure during pregnancy.
Researchers at the Wellcome Sanger Institute and Newcastle University have collected genomic data
from over 250 thousand cells
from a range of donated developing
human tissues including liver, skin, kidney and
placenta.