In an emphatic letter published today in Science, 11 researchers argue that NIH should reverse its decision against funding studies in which scientists
implant human stem cells into early, nonhuman embryos.
Those issues emerged 17 years ago, when a Stanford colleague of Greely's proposed
implanting human stem cells into mouse brains to see what would happen when the former turned into neurons; the experiment has not yet happened.
A subset of
the implanted human stem cells matured into rotund, humanlike astrocytes in the animals» brains, taking over operations from the native mouse astrocytes.
Not exact matches
Benedict argued that non-conjugal reproduction such as in vitro fertilization had created «new problems» ¯ the freezing of
human embryos, for instance, and the selective abortion of medically
implanted embryos, together with pre-implantation diagnosis, embryonic
stem - cell research, and attempts at
human cloning.
Under the terms of the bill, the resultant embryo could only be stored for a maximum of 14 days to produce
stem cells for research and could not be
implanted in either a
human or animal uterus.
«I'm working with Professor Richard Oreffo and Dr Rahul Tare from the University's Centre for
Human Development,
Stem Cells and Regeneration who are trying to create and grow cartilage in the lab using a patients» own (autologous) stem cells to then be implanted back into the patient if they have a cartilage defect,» she expla
Stem Cells and Regeneration who are trying to create and grow cartilage in the lab using a patients» own (autologous)
stem cells to then be implanted back into the patient if they have a cartilage defect,» she expla
stem cells to then be
implanted back into the patient if they have a cartilage defect,» she explains.
This image shows an
implanted graft of cardiac cells derived from
human stem cells (green) meshed and beat with primates» heart cells (red).
By promoting DNA demethylation, high - dose vitamin C treatment induced
stem cells to mature, and also suppressed the growth of leukemia cancer
stem cells from
human patients
implanted in mice.
A fix for broken rat hearts Scientists this week successfully
implanted human embryonic
stem cells into rats that suffered heart attacks, coming a heartbeat closer to realizing the full potential of such therapy.
Prins investigated the effect of BPA on
human cells by
implanting human prostate
stem cells taken from deceased young - adult men into mice.
Prins took
human prostate
stem cells from deceased young adult male organ donors and
implanted the cells into mice, where they formed
human prostate tissue.
In a published study, the team of researchers
implanted human pluripotent
stem cells in a special line of pigs developed by Randall Prather, an MU Curators Professor of reproductive physiology.
Japanese
stem cell biologist Hiromitsu Nakauchi is pioneering a technique that ultimately aims to
implant human pluripotent cells into pig embryos to create replacement
human tissues and organs.
The epithelial
stem cells, when
implanted into immunocompromised mice, regenerated the different cell types of
human skin and hair follicles, and even produced structurally recognizable hair shaft, raising the possibility that they may eventually enable hair regeneration in people.
«This is the first
human trial of this novel
stem cell - based
implant, which is designed to replace a single - cell layer that degenerates in patients with dry age - related macular degeneration,» says lead author and surgeon for the study Dr. Amir H. Kashani, assistant professor of clinical ophthalmology at the Keck School of Medicine of USC.
Benedict argued that non-conjugal reproduction such as in vitro fertilization had created «new problems» ¯ the freezing of
human embryos, for instance, and the selective abortion of medically
implanted embryos, together with pre-implantation diagnosis, embryonic
stem - cell research, and attempts at
human cloning.
When the late blastocyst is
implanted in the uterine wall, at day 7 or 8 in
human development, the trophoblast
stem cells (in the trophoblast) quickly differentiate to form cells required for a firm implantation and, later, for the placenta.
An eye
implant made of a thin sheet of
human embryonic
stem cells could be considered as an effective treatment for a common form of vision loss.
In one approach, a one - cell - thick layer of RPE cells derived from
human embryonic
stem cells or adult RPE
stem cells is placed on a material that allows nutrients and waste materials to pass through and is
implanted in the eye.
The company has turned
human embryonic
stem cells into retinal pigment epithelial cells, which will be surgically
implanted into the eye.