Cells reprogrammed in living mice (green) can contribute to both the placenta and body tissues of a developing mouse.
Not exact matches
By treating biology as software and
reprogramming cells to treat diseases and other ailments, humans have already made tremendous progress
in medicine, Kurzweil said Sunday.
Bellicum is among the flurry of biotechs investing heavily into
cell therapies such as experimental chimeric antigen receptor T -
cell (CAR - T) treatments for cancer (this is the next - gen treatment that involves
reprogramming immune
cells to become cancer killers and has shown promise
in blood cancers, which Bellicum specializes
in).
About half of the patients
in a Kymriah study got cytokine - release syndrome, a response to the
reprogrammed cells running loose
in the body.
We're entering a new frontier
in medical innovation with the ability to
reprogram a patient's own
cells to attack a deadly cancer.
It is far more likely, however, that the egg -
cell cytoplasm with its stripping factor will
reprogram all the genetic material including the alterations made
in the donor nucleus that were intended to prevent the creation of the zygote.
The second biological objection is that «the egg -
cell cytoplasm» will «
reprogram all the genetic material including the alterations made
in the donor nucleus that were intended to prevent the creation of the zygote.»
The term «oocyte assisted
reprogramming» suggests that the egg
cell will merely assist
in reprogramming.
This hypothesis underestimates the opposing power of the egg
cell cytoplasm to
reprogram the genes
in the donor -
cell nucleus.
A few months ago, a team at Harvard succeeded
in reprogramming cells using a virus that did not integrate into the
cell's DNA.
In 2005, before a Congressional hearing in the U.S., Prof. George Q. Daley of Harvard spoke forcefully and influentially about the necessity for embryonic stem - cell research to go ahead, and dismissed suggestions that one could work instead with «induced pluripotent stem cells» («iPS», i.e. stem cells reprogrammed from some cells of a living adult
In 2005, before a Congressional hearing
in the U.S., Prof. George Q. Daley of Harvard spoke forcefully and influentially about the necessity for embryonic stem - cell research to go ahead, and dismissed suggestions that one could work instead with «induced pluripotent stem cells» («iPS», i.e. stem cells reprogrammed from some cells of a living adult
in the U.S., Prof. George Q. Daley of Harvard spoke forcefully and influentially about the necessity for embryonic stem -
cell research to go ahead, and dismissed suggestions that one could work instead with «induced pluripotent stem
cells» («iPS», i.e. stem
cells reprogrammed from some
cells of a living adult).
It also should relieve the worries of the scholars involved with the journal Communio ¯ the use of oocytes
in epigenetic
reprogramming was one of the major reasons they feared the resulting
cell was a disabled embryo.
He has more than fifteen years» experience
in the life science industry, including the product development, market development and commercialization of
cells, scaffolds,
cell reprogramming tools and
cell culture media for regenerative medicine and bioprocessing applications.
However,
in 2007 Professor Wilmut announced that he had decided to change to an alternative method of research pioneered
in Japan, known as direct
reprogramming or «de-differentiation», which could create human embryonic
cells without using human eggs or cloning human embryos.
In the direct
reprogramming, the researchers exposed the adult skin
cells to a specific mix of signaling molecules the scientists» past research had found would convert healthy skin
cells directly into a type of brain
cell called medium spiny neurons, without intermediate steps along the way.
To solve these problems, Hingtgen's group wanted to see whether they could skip a step
in the genetic
reprogramming process, which first transforms adult skin
cells into standard stem
cells and then turns those into neural stem
cells.
Mouse tumors injected directly with the
reprogrammed stem
cells shrank 20 - to 50-fold
in 24 — 28 days compared with nontreated mice.
«
In theory, we could model progression of the disease by
reprogramming skin
cells from patients at a range of ages, including before symptoms begin.
The MYC protein — which is one of the molecules used to
reprogram iPSCs from adult
cells — likely plays a role
in dictating which sites
in the genome are randomly methylated during the
reprogramming process, the researchers hypothesized.
To develop their «disease
in a dish» model, the team took skin
cells from patients with Allan - Herndon - Dudley syndrome and
reprogrammed them into induced pluripotent stem
cells, which then can be developed into any type of tissue
in the body.
Previous failures
in reprogramming primate
cells probably happened because the egg ran into roadblocks — portions of the body
cell's DNA known as
reprogramming - resistant regions, say study coauthor Mu - ming Poo, director of the Institute of Neuroscience at the Chinese Academy of Sciences
in Shanghai, and his colleagues.
Adding ascorbic acid to culture medium could help overcome the main roadblock
in reprogramming human, mouse
cells into iPS
cells
Partial
reprogramming of
cells within prematurely aging mice's bodies extended the rodents» average life span from 18 weeks to 24 weeks, researchers report December 15
in Cell.
Eventually, Lim hopes that
reprogrammed cells will measure glucose levels
in the pancreases of diabetics and trigger a biological insulin response, or even cure cancer.
Scientists use
cell reprogramming techniques to produce
cells in the lab so that they can study diseases.
Nevertheless, Vallier is concerned about the number of changes
in the
reprogrammed cell lines.
Reprogramming involves inducing the expression of four factors, called Yamanaka factors,
in cells.
In a groundbreaking study that provides scientists with a critical new understanding of stem cell development and its role in disease, UCLA researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research led by Dr. Kathrin Plath, professor of biological chemistry, have established a first - of - its - kind methodology that defines the unique stages by which specialized cells are reprogrammed into stem cells that resemble those found in the embry
In a groundbreaking study that provides scientists with a critical new understanding of stem
cell development and its role in disease, UCLA researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research led by Dr. Kathrin Plath, professor of biological chemistry, have established a first - of - its - kind methodology that defines the unique stages by which specialized cells are reprogrammed into stem cells that resemble those found in the emb
cell development and its role
in disease, UCLA researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research led by Dr. Kathrin Plath, professor of biological chemistry, have established a first - of - its - kind methodology that defines the unique stages by which specialized cells are reprogrammed into stem cells that resemble those found in the embry
in disease, UCLA researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem
Cell Research led by Dr. Kathrin Plath, professor of biological chemistry, have established a first - of - its - kind methodology that defines the unique stages by which specialized cells are reprogrammed into stem cells that resemble those found in the emb
Cell Research led by Dr. Kathrin Plath, professor of biological chemistry, have established a first - of - its - kind methodology that defines the unique stages by which specialized
cells are
reprogrammed into stem
cells that resemble those found
in the embry
in the embryo.
Further ahead, he is looking to an emerging technology known as induced pluripotent stem
cells (iPSCs),
in which adult
cells are
reprogrammed to be like embryonic stem
cells so they can transform into any type of
cell.
«Resistance to
reprogramming also helps to explain why
reprogramming takes place only
in a very small proportion of the starting
cells.»
Molecular characterization of the
cells that undergo
cell fate transition upon oncogenic Pik3ca expression demonstrated a profound oncogene - induced
reprogramming of these newly formed
cells and identified gene expression signatures, characteristic of the different
cell fate switches, which was predictive of the cancer
cell of origin, tumour type and clinical outcomes
in women with breast cancers.
A group
in Japan hopes to test a similar approach
in humans using stem
cells from
reprogrammed adult
cells within the next three years.
One called salinomycin stood out because it killed the
reprogrammed cells, but not healthy
cells, and was easy to obtain
in large quantities.
But the methods used to
reprogram cells can damage their DNA, and the iPS
cells may not behave
in exactly the same way as embryonic stem
cells.
The team induced expression of Yamanaka factors
in all
cells of the organism using their partial
reprogramming approach.
Ding's team took
cells called fibroblasts from the connective tissues of mouse fetuses and bathed them
in a cocktail of the four polyarginine - tagged proteins for 12 hours, then they removed the
reprogramming proteins for 36 hours, and repeated this cycle four times over.
Plath's team found that the changes that happen
in cells during
reprogramming occur
in a sequential stage - by - stage manner, and that importantly, the stages were the same across all the different
reprogramming systems and different
cell types analyzed.
In this study, partial reprogramming of cells in vitro reduced DNA damage accumulation and restored nuclear structur
In this study, partial
reprogramming of
cells in vitro reduced DNA damage accumulation and restored nuclear structur
in vitro reduced DNA damage accumulation and restored nuclear structure.
Scientists have rolled back time for live mice through systemic cellular
reprogramming, according to a study published December 15
in Cell.
While the process usually proceeds
in a one - way direction, artificially inducing the activity of key transcription factors can
reprogram differentiated
cells back into a stem - like state, a discovery honored with the 2012 Nobel prize.
The researcher Pia Cosma and her team have used the
cell fusion mechanism to
reprogram the neurons
in the retina.
This is how treatments based on a type of white blood
cell called T -
cells are curing some cancers, rather than just slowing their advance (see «Cancer meets its nemesis
in reprogrammed blood
cells «-RRB-.
In 2006, Japanese scientists figured out how to reprogram specialized cells, such as those in skin, so that they act like embryonic stem cell
In 2006, Japanese scientists figured out how to
reprogram specialized
cells, such as those
in skin, so that they act like embryonic stem cell
in skin, so that they act like embryonic stem
cells.
Unpublished results from the researchers hint that significantly fewer anomalies are seen
in iPS
cells created via virus - free
reprogramming strategies, such as ones that use proteins or small - molecule drugs.
Testing each of these factors for their ability to return differentiated tumor
cells to a stem - like state, identified a combination of four — POU3F2, SOX2, SALL2 and OLIG2 — that was able to
reprogram differentiated tumor
cells back into glioblastoma stem
cells, both
in vitro and
in an animal model.
The act of
reprogramming cells to make them as capable as ones from embryos apparently can result
in aberrant
cells that age and die abnormally, suggesting there is a long way to go to prove such
cells are really like embryonic stem
cells and can find use
in therapies.
They
reprogrammed the skin
cells, rejuvenating them into an embryolike state (using the four - gene approach described
in 2007).
This year those breakthroughs include tools for
reprogramming living
cells and rendering lab animals transparent; ways of powering electronics with sound waves and saliva; smartphone screens that correct for the flaws
in your vision; Lego - like atomic structures that could produce major advances
in superconductivity research; and others.
These techniques include: human tissue created by
reprogramming cells from people with the relevant disease (dubbed «patient
in a dish»); «body on a chip» devices, where human tissue samples on a silicon chip are linked by a circulating blood substitute; many computer modelling approaches, such as virtual organs, virtual patients and virtual clinical trials; and microdosing studies, where tiny doses of drugs given to volunteers allow scientists to study their metabolism
in humans, safely and with unsurpassed accuracy.
Research
in mice and human
cells suggests that a fasting - mimicking diet may
reprogram pancreas
cells that are unable to produce insulin and enable them to repair themselves and start making it.