Sentences with phrase «stem cells in the tissues»

Studies have shown that the clinical success of transplantation depends on the number and percentage of limbal stem cells in tissue grafts.

They found a strong correlation between cancer incidence and the number of times the stem cells in the tissues divide.

Defining Adipose Tissue - Derived Stem Cells in Tissue and in Culture (June, 2010) in Histology Histopathology.

However, due to the lack of stem cells in these tissues, we will have to tinker a bit and grow the proper amount of the progenitors or mature cells and integrate them into the tissue.

Second, that sample is shipped to Vet - Stem where it is processed, and the stem cells in the tissue are concentrated into a number of injections.

Not exact matches

Animal cells are cultured from stem cells and incubated in a «bioreactor» into tissue that can be «harvested» and formed into familiar foods like meatballs, patties, and fish sticks.

The new tissue wasn't rejected since they stemmed from the mice's cells in the first place.

A seriously ill person in need of embryonic stem cells to repair damaged tissue.

The difficulties associated with obtaining nerve tissue at the correct stage of development and differentiation from aborted embryos means that foetal tissue transplantation is no longer in favour, but the creation of human embryos specifically as sources of stem cells, and the push to use «spare» embryos from IVF treatments is gatheringmomentum.

Whilst acknowledging that many questions remain unanswered in the debate between those who would advocate the use of stem cells taken from human embryos, and those experimenting on stem cells drawn from tissues of the adult human body, there is a lengthy discussion of the moral status of the human embryo as being a crucial matter in this regard.

Cord tissue is a small segment of the baby's umbilical cord, which is a rich source of different stem cells not found in cord blood

Stem cell research and diabetes Stem cell research is a relatively new area of investigation, believed by many in the scientific and medical communities to have important new potential for the treatment of many diseases and conditions particularly those like diabetes, which are characterised by severe damage to certain cells and tissues..

Scientists have long speculated that astrocytes, the cell type that controls many neuronal functions, give rise to neural stem cells in damaged brain tissue.

In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beatIn a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beatin the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats.

Stomach switch The key to turning pluripotent stem cells into stomach cells was a pathway of interactions that acts as a switch between growing tissues in the intestine and in the antrum, a part of the stomach near its outlet to the small intestine.

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.

Balls of brain tissue generated from stem cells are enabling us to understand the underlying differences between people who struggle to be sociable and those who have difficulty reining themselves in.

Stem cells in babies» urine seem to help regenerate kidney tissue, protecting it from toxic drugs and could pep up organs for transplantation

Orwig says there are some concerns that implanting stem cells could reintroduce cancer cells that may have been present in the original tissue.

The discovery is an important advance in the search for new medications to fight obesity, said senior investigator Shingo Kajimura, PhD, UCSF assistant professor of cell and tissue biology, with a joint appointment in the UCSF Diabetes Center and the Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research at Ucell and tissue biology, with a joint appointment in the UCSF Diabetes Center and the Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research at UCell Research at UCSF.

Beginning in the 1970s, physicians learned how to harvest skin stem cells from a patient with extensive burn wounds, grow them in the laboratory, then apply the lab - grown tissue to close and protect a patient's wounds.

However, centres in the US and Europe are already banking testicular tissue for boys in the hope that new stem - cell - based therapies will become available.

Adenovirus 36 has been found to encourage the transformation of adult stem cells in fatty tissue into fat cells as discussed on the daily Scientific American podcast 60 - Second Science on August 20th.

In past projects, scientists have tried to derive various types of differentiated cells from stem cells — such as bone, tissue, nerves or fat — directly from hiPSCs.

Stem cells have the potential to repair most tissues in the body.

This may be one of the most important facets of studying regeneration in these animals because they provide a completely different approach to tissue regeneration than that offered by stem cells.

One of the key questions in biology is to identify how tissues are repaired after trauma and understand how stem cells migrate, proliferate, and differentiate to repair tissue damage.

Then, to boost the number of cells, which is another hurdle in tissue engineering, the researchers mixed the chondrocytes with human mesenchymal stem cells from bone marrow.

In lab dishes, the blast cells formed tissues that resembled blood - forming stem cells as well as blood vessels, the group found.

What's more, when ordinary colon cancer cells were implanted near connective tissue in other mice, they transformed into cancer stem cells (Nature Cell Biology, DOI: 10.1038 / ncb2048).

Researchers say the finding could be harnessed in the future to make an «eye in a dish,» a tool that would be invaluable in coaxing stem cells to develop into ocular tissues.

Also limiting the use of therapeutic stem cells to date, self - renewal, a quality so vital to a fast - growing fetus, can also be a source of cancer risk when haphazard, unlimited cell multiplication results in the abnormal tissue growth seen in tumors.

The team found that connective - tissue cells adjacent to colon cancer stem cells secrete growth factors that activate a molecular pathway in other cells that is vital to maintaining stem - cell - like qualities.

Furthermore, the same team is applying new microgravity technology — originally developed by NASA for the International Space Station — to make large enough quantities of the stem cells to repair tissue damage in patients.

Yoshiki Sasai at the RIKEN Center for Developmental Biology in Kobe, Japan, and colleagues encouraged embryonic stem cells to develop into retinal cells, and then grew them alongside a protein matrix to promote the formation of tissue.

The research, published today in the Journal of Clinical Investigation, describes the role of TNF receptor - associated factor 6 (TRAF6), an adaptor protein and E3 ubiquitin ligase, in ensuring the vitality of stem cells that regenerate muscle tissue.

Analyzing tissue specimens from 10 people with stomach cancer, the researchers found evidence that those same mature cells in the stomach also had reverted to a stem cell - like state and had begun to change and divide rapidly.

The stem - cell - derived bone tissue helped repair cranial bone defects in mice without developing tumors or causing infection.

ERRORS have occurred in a type of stem cell that could be used instead of embryonic stem cells — and in tissues made from them.

Finally, the team grew the tissue in a three - dimensional system, which coaxed it into forming all the structures found in gut tissue, including the finger - like villi that protrude inwards to increase surface area, and recesses called crypts containing the intestinal stem cells that renew the gut lining weekly (Nature, DOI: 10.1038 / nature09691).

This work stems from a previous study by Varghese's group to understand how calcium phosphate minerals found in bone tissue induce stem cells to differentiate into osteoblasts.

Researchers at the University of California San Diego have discovered an easy and efficient way to coax human pluripotent stem cells to regenerate bone tissue — by feeding them adenosine, a naturally occurring molecule in the body.

Another challenge is producing stem - cell - derived tissues or organs that don't develop teratomas — tumors that contain a variety of tissues found in different organs — when transplanted.

Minuscule blobs of human brain tissue have come a long way in the four years since scientists in Vienna discovered how to create them from stem cells.

Back then, it wasn't clear whether the nuclear cloning that gave birth to Dolly was successful because it used rare adult stem cells present in adult tissues or because it used already specialized cells, as the cloners claimed.

Now, many research advocates are wondering how Price's mix of views might play out in the new administration's approach to a wide range of issues, including funding, research involving human embryonic stem cells and fetal tissue, and the appointment of a new NIH director.

By reactivating telomerase activity in stem - cell derived tissue transplants, Geron could provide patients with a life - time warranty on their new parts.

A promising alternative to hESCs emerged in 2006 when researchers produced so - called induced pluripotent stem cells (iPS) from ordinary tissue such as skin.

Wayne Hellstrom of Tulane University in New Orleans, Louisiana, and colleagues, extracted stem cells from fat and placed them onto layers of tissue taken from the lining of pig intestine.

Tomasetti searched the literature to find the numbers he needed, such as the size of the stem cell «compartment» in each tissue.