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Tag: "embryonic" at medical news

Insight Into Neural Stem Cells Has Implications For Designing Therapies

...ells. In theory you could activate these genes in embryonic stem cells in the culture dish to try to create the desired type of neuron". The Alvarez-Buylla lab has identified neural stem cells in the adult human brain, but it is not known if these cells are heterogeneous. If human brains show a similar regi...

Cocaine Exposure can Alter Neuronal Development in Zebrafish

...ronal development in zebrafish and acutely changed embryonic expression of genes regulating growth, neurotransmission and circadian system. Moreover, we found that the effects of the cocaine exposure were dependent on time of exposure, being more robust in the day, and were blocked or attenuated by the princ...

New Understanding on Growth of Human Stem Cells

...che , but the situation may be more complex. Human embryonic stem cells are perpetual machines that generate fu...r and Stem Cell Research Institute show that human embryonic stem (ES) cells can actually produce distinctive niche cells, which then release stem-cell nourishin...

White House Hid, Minimized Health Reports: Ex-surgeon General

...tain sensitive subjects in public. They included embryonic stem-cell research, something US President George W. Bush vehemently opposes and has refused to fund, the controversial morning-after pill and sex education. Senior administration officials also delayed the publication of a major study on passive s...

Boffin Identifies Gene Causing Otosclerosis

...nvolvement in otosclerosis: it plays a role during embryonic development of the ear and is expressed in otosclerotic bone. They used SNP (single nucleotide polymorphism) analysis, or looking at DNA sequence variations occurring in a single nucleotide, A, T, C or G, to study a large patient and control popula...

Genome Annotation by Mutation

...esearchers to make multiple manipulations in mouse embryonic stem cells, which means those cells are less likely to yield mice with the desired stretch of DNA disabled, Capecchi says. To quickly, cheaply mutate genes or none-gene DNA, Wu and Capecchi used short pieces of DNA known as loxP. Pieces of loxP act...

Bush Again Vetoes Embryonic Stem Cell Research Bill

...ll seeking to encourage potentially groundbreaking embryonic stem cell research, saying it violates the sancti...n he blocked a similar bill on federal support for embryonic stem cell research. The president, a devout Christian, said that using human embryos for scientific ...

Fishing for a Speedy Recovery After Chemotherapy or Marrow Transplant

...n mammalian models. When dmPGE2 was added to mouse embryonic stem cells in the lab, production of blood stem cells increased. In mice that underwent bone marrow transplant, treatment with dmPGE2 led to enhanced blood-stem-cell formation, and the stem cells remained present in the marrow more than six months af...

A New Milestone in Stem Cell Research

...sues that would result from use of stem cells from embryonic or foetal tissue. Current treatments aim to keep the patient alive with a heart that is working less efficiently than before the heart attack. Cardiac stem cell therapy aims to repair the damaged heart as it has the potential to replace the damaged...

60% of Infertile Couples are Okay With Allowing Unused Embryos for Stem Cell Research

...lical cord blood. Currently, federal funding for embryonic stem cell research is limited to research on stem cell lines derived from embryos before August 2001, and may not be used for any research in which an embryo is destroyed. Funding from private or state funding sources is growing, but is still insuffi...

A New Signaling Mechanism in Drosophila

... gene called torso-like during the early stages of embryonic development of the Drosophila fly. Two groups of cells activated the same torso-like gene separately and by different mechanisms when they were still in separate compartments inside the Drosophila ovary. Subsequently, the cells migrated until they me...

Genopole(R) is Organizing an Advanced Course on Stem Cells and Their Therapeutic Applications

...ists worldwide. Major topics to be covered include embryonic stem cells, mesenchymatic, hematopoetic, and organ stem cells and cloning. Stem cells, whether embryonic or tissue-specific, are seen today as extremely useful tools showing therapeutic promising approach ...

Indian-born Australian Scientist Wins Award for Stem Cell Research

...niversity of New South Wales, has produced a human embryonic stem cell line without the use of any animal produ...s not use animals in any way," says Sidhu. Human embryonic stem cell lines are derived from specialised cells. These cells come from embryos donated by inferti...

'Missing Link' Stem Cells may Shorten Path to Therapies

The discovery of a mouse embryonic stem cell startlingly similar to its human counter... "They are a missing link between mouse and human embryonic stem cells," Roger Pedersen, who headed a research team at Cambridge University, told AFP. The oth...

Pope Benedict Supports Adult Stem Cell Research

...rtion and genetic manipulation such as research on embryonic stem cells. Unlike embryonic stem cells, or primitive cells from early-stage embryos capable of developing into almost every tiss...

Mice can Produce Embryonic Stem Cells Similar to That of Humans

...l technology by discovering that mice can produce embryonic stem cells very similar to those found in human em...e breakthrough will help them understand how human embryonic stem cells work, although they will still need to use human cells at the stage of synthesising organ...

New Technique Dissects Stem Cells' Picky Likes, Dislikes

...ies of weeklong experiments, the team placed human embryonic stem (ES) cells onto the squares in the arrays, set the arrays in a culture plate and added a culture medium on top. What they found is that five of the 18 surfaces - each displaying just a single peptide from laminin - did as well as the mixture Mat...

Republican Presidential Candidates Discuss Abortion, Stem Cells as Part of First Debate

...ly candidates to support federal funding for human embryonic stem cell research. Giuliani offered support for funding such research if it is "not creating life in order to destroy it, as long as we're not having human cloning, and we limit it to that". Brownback voiced his opposition to the research, saying, "...

Life Expectancy Increased by Eating Less

... called 'pha-4' plays a role in gut development in embryonic worms, but in adults is associated with calorie-restricted longevity. Scientists say humans do have three genes very similar to pha-4. These genes say the researchers are related to glucagon, a pancreatic hormone that increases blood sugar concentr...

Hemangioblasts New Tool Of Stem Cell Technology

...d and arteries. They have been derived from human embryonic stem cells, and have been produced in substantial...a added. Hemangioblasts, which develop early in embryonic development, were first isolated from early human embryos, last month and the procedure was document...

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