Not exact matches
In the second half of 2017, the United States Food and Drug Administration (FDA) approved two immunotherapies that
use genetically engineered T
cells (CAR - T
cell therapy) to fight cancer.
These stem
cells would be
genetically identical to the patient from whom the original adult
cell was taken and could be
used for research and therapeutic purposes.
To make the HSCs, the Harvard group
used human skin
cells to create induced pluripotent stem
cells (iPSCs), adult
cells researchers
genetically reprogram to an embryonic - stem -
cell state, where they can grow into any kind of
cell.
The treatment, called CAR - T immunotherapy,
uses genetically engineered T
cells, immune system fighters usually tasked with identifying invaders in the body,...
Lexicon's solution is to create a bank of
genetically altered mouse
cells that can quickly be
used to develop knockout strains.
In optogenetics, light is
used to control
genetically modified
cells.
«We concluded that stem
cells used in cardiac therapy should be drawn from healthy donors or be better
genetically engineered for the patient.»
Researchers in optogenetics can control
genetically modified brain
cells using light but because of these modifications, the technique is not yet deemed safe to
use in humans.
They
use a near - infrared laser beam, which can penetrate deep — in this context, deep means a centimeter or two — into the tissue, where a nanoparticle turns the near - infrared light into blue light, and that directs the activity of
genetically engineered immune
cells.
Only stem
cells from healthy donors or
genetically engineered
cells should be
used in treating cardiac conditions.»
«This shows iPS
cells have a lot of problems, but that doesn't mean they don't have potential — just not with the established methodologies
used to create them,» says tissue engineer Anthony Atala, director of Wake Forest University Baptist Medical Center's Institute for Regenerative Medicine in Winston — Salem, N.C. «It's a solvable problem, but it looks as if one should look away from methods that don't
genetically modify the
cell.»
A technique that involves
genetically engineering brain
cells so that they fire in the presence of certain drugs has been
used to treat epilepsy in rats, and it could soon be tested in humans.
With materials and instructions from the kit, I will introduce CRISPR into the bacteria
cells, and
use it to rewrite a tiny part of their DNA, creating
genetically altered
cells that happily thrive on streptomycin.
Moreover, Dolly's birth did not prove that cloning could be
used to create animals from
cells that had been
genetically manipulated.
The tremors and other movement impairments of Parkinson's are triggered by the death of dopamine - producing
cells in the brain, so the investigators
used flies that had been
genetically engineered to have their dopamine
cells die off as they age.
The new product is made
using genetically engineered hamster
cells in fermenters, and requires a number of refining stages.
The laboratory process, described in the journal Scientific Reports, entails
genetically modifying a line of human embryonic stem
cells to become fluorescent upon their differentiation to retinal ganglion
cells, and then
using that
cell line for development of new differentiation methods and characterization of the resulting
cells.
In addition to
using normal breast cancer
cells in the experiments, the team also
used cancer
cells that had been
genetically engineered to lack either GSTO1 or RYR1.
You describe a technique to
use genetically tweaked red blood
cells to deliver drugs that would otherwise break down after...
* No sperm necessary: By combining
genetically altered
cells, Japanese scientists create a healthy baby mouse
using only female DNA.
Invasion assays
using Glioblastoma (GBM)
cells on the left lacking Id4, in comparison to the same
cells being
genetically engineered to express Id4 on the right.
With the help of optogenetics, the research group was able to deactivate specific
genetically altered brain
cells using light.
Using this test, the team found that
genetically - intact HIV hides in specific subsets of CD4 + T -
cells.
The treatment, called CAR - T immunotherapy,
uses genetically engineered T
cells, immune system fighters usually tasked with identifying invaders in the body, such as bacteria, viruses or foreign
cells.
Because the
cells used to seed the platform can come from anyone, the new tissues could be
genetically identical to the intended host, reducing the risk of organ rejection.
«A few years ago we recognized that stem
cells could be
used to continuously deliver these therapeutic toxins to tumors in the brain, but first we needed to
genetically engineer stem
cells that could resist being killed themselves by the toxins,» he said.
The team led by Dr Rubén López — of the UAB's Department of
Cell Biology, Physiology and Immunology and Institute of Neuroscience, and the Centre for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)--
used a
genetically modified mouse that produces the human form of IL - 37 to study the function of this protein.
Using cell models and
genetically engineered mice, the authors then could reproduce kidney disease changes upon expression of APOL1 gene variants, but the disease required the presence suPAR.
Discuss how mouse models can be
used to study human immune responses against leukemia (
using primary or
genetically modified leukemia
cells) and melanoma
In the new study, published yesterday in PLOS Biology, Heitman and colleagues set out to explore whether
genetically identical, unisexually reproducing C. neoformans
cells were
using aneuploidy to generate offspring that differed from themselves.
Scientists in Germany last year reported that they could transform adult mouse spermatogonial progenitors into
cells genetically resembling ESCs by
using a different growth medium for just a few weeks.
Two types of vaccines were
used for the study: one constructed with
genetically engineered DNA molecules that teach immune system
cells to recognize premalignant
cells expressing HPV16 E7 proteins, and one that is a non-infectious, engineered virus that targets and kills precancerous
cells marked by HPV16 and HPV18 E6 and E7 proteins.
Gorelick, the lead author, Halpern and Alice Hung of Carnegie, along with Luke Iwanowicz and Vicki Blazer of the Fish Health Branch of the U.S. Geological Survey,
used genetically modified zebrafish that show estrogen receptor activity on a
cell's DNA.
Schaal, dean of the faculty of arts and sciences at Washington University in St. Louis, called for more effective communication and public engagement by scientists in explaining their work, both to policy makers and to the general public, across a range of topics — climate change, evolution, stem
cells, and
use of
genetically modified organisms (GMOs) in agriculture.
A technique that involves
genetically engineering brain
cells so that they fire in the presence of certain drugs has been
used to treat an epilepsy - like condition in rats, and it could soon be trialled in humans.
Using a technique called optogenetics, they were able to turn on genetically engineered brain cells in rats using a blue light delivered directly to those cells via an optic f
Using a technique called optogenetics, they were able to turn on
genetically engineered brain
cells in rats
using a blue light delivered directly to those cells via an optic f
using a blue light delivered directly to those
cells via an optic fiber.
The study, «Modulating Behavior in C.elegans
Using Electroshock and Antiepileptic Drugs,» just published in PLOS One, has led the researchers to build on the current animal models for inducing seizures via electroconvulsion in the
genetically modifiable C.elegans that only has 302 brain
cells called neurons.
Through the
use of localization - based super-resolution microscopy, researchers are able to photoactivate, image and follow these
genetically encoded fluorescent proteins, one at a time, to study what is happening inside a
cell at the molecular level.
The embryo
used to derive an ES
cell is not
genetically identical to the donor of the
cell that is transformed into an iPS
cell, so researchers expect some discrepancies in gene activity.
But many in the field will be waiting for the next steps: testing whether the resulting mouse pups are
genetically normal, trying out the technique in other animals, and
using other and less controversial types of
cells — such as stem
cells that can be extracted and cryopreserved from adult testicular tissue — as the starting point.
Ploegh envisions the technique being
used to create a new type of personalized therapy in the future — your own
cells could be isolated,
used to create stem
cells that differentiate into erythroblasts,
genetically modified to carry a molecule, and reinjected into your body.
For their study, the Max Planck researchers
used genetically modified fish larvae, in which the targeted muscle
cells of the heart chamber were destroyed by the administration of a substance.
«By
using the patient's own skin
cells, we should be able to generate transplantable OPCs that are
genetically identical to the patient's natural OPCs,» Yang said.
We
used yeast — a system easily accessible
genetically — and asked the question how does one part of the
cell know what is going on in another part.
Simultaneously, they made
use of a
genetically encoded fluorescent protein to measure bipolar
cell output.
Doctors
use a technique called preimplantation genetic diagnosis (PGD), in which a single
cell is removed from the embryo and
genetically tested.
A study led by UCLA's Drs. Robert Prins and Linda Liau, both UCLA Jonsson Comprehensive Cancer Center members, looked at the impact of a combined treatment
using a chemotherapy drug called decitabine and
genetically modified immune
cells or T
cell immunotherapy.
No one thought that it would be possible to take a
cell from an adult mammal and
use it to grow another,
genetically identical clone.
The rescue of memories, which changed both the structure of neurons as well as the behavior of mice, was achieved
using optogenetics, a method for manipulating
genetically tagged
cells with precise bursts of light.
Moreover, examination of the role of Mcf1 can be dissected
genetically using mutants that either interfere with its endocytosis into target
cells, or Rac signalling mutants that hint at early and unexpected Mcf1 mediated effects on the phagocyte cytoskeleton.