Sentences with phrase «human stem»

Scientists have demonstrated a method for generating several key types of eye tissue from human stem cells in a way that mirrors whole eye development.

My lab is interested in the development of tissue models from human stem cell sources.

He found a way to transform certain types of human stem cells into kidney cells.

The study marked the first time the procedure worked successfully in human stem cells, though it is routinely used in mice.

The MS mice treated with human stem cells experience a reversal of symptoms.

They then used human stem cells derived from bone marrow that would normally become bone cells to test the effects of the nanoparticles on stem cell proliferation and differentiation.

Working with lab - grown human stem cells, scientists found that the virus selectively infected cells forming the brain's cortex, the thin outer layer of folded gray matter.

In the future, scientists may be able to modify human stem cell lines in the laboratory by using gene therapy or other techniques to overcome this immune rejection.

All funded projects currently use stem cells from mice, rats, or primates, or adult human stem cells.

The ability to control the differentiation of human stem cells could improve tissue repair or enable the growth of tissues and organs that could be used for repair.

To start with human stem cells will be a powerful way to understand what goes on in the development of human physiology.

These go to researchers trying to advance the field by tackling significant, unresolved issues in human stem cell biology.

What hurdles stand between the promise of human stem cell therapies and real treatments in the clinic?

Biomedical and scientific groups have begun an intense lobbying effort to persuade Congress to resist a conservative campaign aimed at blocking federal support for human stem cell research.

Belmonte uses very early - stage pig embryos, whose biological signals are capable of turning human stem cells into the «perfect human organs» he's after.

There has been much handwringing about the news that scientists injected human stem cells into pig embryos, creating a mostly - pig - but - a-little-bit-human chimera.

Federal officials are proposing to end a moratorium on funding for research that involves transplanting human stem cells into animal embryos, a controversial practice that produces organisms know as «chimeras.»

They prohibit breeding animals in which human stem cells might have become sperm or eggs, and they rule out primate - human experiments.

The work is part of a broader scientific bonanza that comes from coaxing human stem cells to self - assemble into balls of organlike tissue, known as organoids, that are usually no bigger than a lentil.

The researchers took human stem cells, exposed them to a strain of Zika and found that within three days, the virus had attacked specific kinds of cells critical to development of the brain's cortex.

«The use of nonhuman oocytes for SCNT is currently the only ethically justifiable option given the large numbers of eggs required to derive cloned human stem cell lines,» he said.

Ongoing attempts to create human stem cell lines using SCNT have yet to achieve success.

A glomerulus - on - a-chip lined by human stem cell - derived kidney cells could help model patient - specific kidney diseases and guide therapeutic discovery

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.

However, advancements in engineering human stem cells are now allowing researchers to grow mini-organs in labs, and gene - editing tools can be used to insert specific mutations into these cells.

► The U.S. National Institutes of Health (NIH) has put funding on hold for experiments that involve «mixing human stem cells into very early animal embryos and letting them develop» while it «reconsiders its rules» for this type of research, Gretchen Vogel reported Wednesday.

McCain would ban scientists from using donor eggs to create disease - specific stem cell lines or chimeric animals to see how human stem cells behave during development.

«Regenerative medicine relies on the ability to turn pluripotent human stem cells into specialized tissue stem cells that can engraft and function in patients,» said Irving Weissman, MD, the director of Stanford's Institute for Stem Cell Biology and Regenerative Medicine, and also of its Ludwig Cancer Center.

Separately, they also inserted human stem cells cultured using conventional methods, so that they could compare existing techniques to their new technique.

To produce the cells, the Salk scientists developed a combination of chemical signals that directed human stem cells in a laboratory dish to become spatially oriented.

To investigate whether stem cells - cells that can transform into any type of cell in the body - could help MND sufferers, scientists injected rats, bred to carry the most common form of MND, amyotrophic lateral sclerosis (AMS), with live human stem cells into their lower spines.

The human version of the cells, called region - selective pluripotent stem cells, or rsPSCs, can also grow inside a mouse, something other human stem cells can't do, says Jun Wu, a research associate involved in the work, published in May in Nature.

When human stem cells develop into beta cells in a dish, they only reach a precursor stage, unable to fully mature; this prevents them from effectively producing insulin in response to glucose.

Thomson, who in 1998 became the first scientist to extract human stem cells from embryos, says his group began seeking these factors four years ago, but chose to work with human cells.

«Cellular system makes the battle against a rare disease personal: Scientists develop the first human stem - cell based system to find drugs to fight mitochondrial disease.»

Researchers chemically reprogrammed human stem cells into small bundles of functional brain cells that mimic the developing brain.

One patient, described in a paper in The Lancet, survived for 2 years after receiving the artificial trachea, which incorporated human stem cells.

Her PhD is focused on developing a novel label - free imaging approach for assessing human stem cells and skeletal regeneration non-destructively and non-invasively.

They recoated the insides of the blood vessels by flowing human stem cells through the tubes attached to the artery and vein.

The Center for the Advancement of Science in Space (CASIS), a nonprofit organization that promotes research aboard the ISS, has awarded Dr. Zubair a $ 300,000 grant to send human stem cells into space to see if they grow more rapidly than stem cells grown on Earth.

Neither can regulation: Although the National Institutes of Health has a moratorium on funding research putting human stem cells into the early embryos of vertebrates, there is no such ban on implanting human organoids, and virtually no one outside the labs conducting organoid research has enough of an idea about what's going on to, say, call for a commission to study what should and should not be allowed.

Exosomes had not previously been studied as a way to induce human stem cell differentiation.

Researchers have long used a different monkey species to research stem cell transplants, but that species» biological characteristics means it can't be reliably used to find good donor matches to mimic human stem transplants.

Usually human stem cells that we grow in the lab have already begun to differentiate, but last year my team provided the first evidence that we can maintain them in a more naive state.

The finding could fundamentally change how we look at human stem cell tech: If chimeric monkeys require totipotent cells before they can come into being, it stands to reason that human embryonic stem cell therapy might also require totipotent stem cells to render cures.

Thorold Theunissen, a postdoctoral fellow in Jaenisch's lab and co-first author of the study, says «Our work provides a rigorous set of criteria for comparing naïve human stem cells to their counterparts in the early human embryo.