Sentences with phrase «such as embryonic stem cells»

Not exact matches

Benedict argued that non-conjugal reproduction such as in vitro fertilization had created «new problems» ¯ the freezing of human embryos, for instance, and the selective abortion of medically implanted embryos, together with pre-implantation diagnosis, embryonic stem - cell research, and attempts at human cloning.
The NIH defines totipotent cells as the source of both embryonic stem cells and of trophoblast cells which give rise to extra-embryonic tissues such as the placenta.
research; since most of the reports have concentrated on justifying the creation of cloned human embryos for research into and treatment of neurodegenerative diseases such as Parkinson's, «stem - cells» has become synonymous with «embryonic stem - cells» in the public imagination.
Embryonic stem cells are produced during development by the same process of epigenetic programming that later will produce adult cells such as skin and brain.
(i) a woman's right to an abortion; (iii) medical immunization of teen girls (and boys) against HPV; (iv) assisted suicide; (vi) gay marriage; (vii) my right to view art and theatre deemed «offensive,» «blasphemous» or «obscene» Catholics; (viii) basic $ ex education for older school children; (ix) treating drug abuse as principally a medical issue; (x) population control; (xi) buying alcohol on a Sunday in many places; (xii) use of condoms and other contraceptives; (xiii) embryonic stem cell research; (xiv) little 10 year - old boys joining organizations such as the Boy Scouts of America, regardless of the religious views of their parents; and (xv) gays being allowed to serve openly in the military.
On Thursday, the United Nations» member states will consider two resolutions: One resolution would ban all human cloning methods, including efforts to use cloned embryonic stem cells to try and generate healthy tissues, or to treat degenerative diseases such as Parkinson's.
Human embryonic stem cells are at last being tested in common, potentially fatal diseases such as heart failure and diabetes
Although the U.S. government puts stringent restrictions on funding for research on embryonic stem cells, individual states such as California have set up institutes to perform that work and general stem cell studies.
Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.
In 2006, Japanese scientists figured out how to reprogram specialized cells, such as those in skin, so that they act like embryonic stem cells.
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.
Embryonic stem cells helped researchers develop other research tools, such as iPSCs, he pointed out.
Contributions from careful, sober - minded scientists can also help defuse controversy in fields that get headlines, such as climate change and embryonic stem cells.
In this way they act like embryonic stem cells and share their revolutionary therapeutic potential — and as such, they could eliminate the need for using and then destroying human embryos.
In the last few years, researchers have learned how to turn embryonic stem cells into all sorts of different cell types, such as skin cells, heart
Although embryonic stem cells are naturally pluripotent, iPS cells are created by scientists from existing adult cells, such as skin or blood.
There is evidence that chronic disabilities such as spinal cord lesions, diabetes, and Parkinson?s disease, where replacement of just one cell type restores tissue function, can be treated with differentiated embryonic stem cells.
Pluripotent stem cells include embryonic stem cells, which are derived from early embryos, and induced pluripotent stem cells, which are made by reprogramming cells taken from adult tissues such as skin.
Not only do many of the ethical challenges posed by embryonic stem cells remain, but the relative ease and low cost of iPS techniques, combined with the accessibility of cells, accelerate the need to address futuristic - sounding possibilities such as creating gametes for reproduction.
He has guided us through such issues as the organ donor market (he opposed the sale of kidneys to the highest bidder), the Terri Schiavo case (he opposed government intervention to keep her alive), and the stem cell wars (he supports embryonic stem cell research).
hESC researchers George Daley of Children's Hospital Boston and Sean Morrison of the University of Michigan told the panel why research on other types of stem cells, such as adult stem cells and so - called induced pluripotent stem cells (iPSCs), can't substitute for work on embryonic cells.
«Researchers are just now figuring out how adult somatic cells such as skin cells can be turned into embryonic stem cells.
Embryonic stem cells have the potential to develop into any cell type in the body, and many scientists would like to discover how to use them to treat intractable diseases such as diabetes or Parkinson's disease.
Neural crest cells are a type of stem cell; during vertebrate embryonic development, they eventually differentiate into specialized cells such as those that make facial skeleton cells or those that create pigment cells.
Human embryonic stem cells derived from affected embryos during a pre-implantation diagnostic (PGD), as well as the conversion of somatic cells, such as skin fibroblasts, into induced pluripotent stem cells by genetic manipulation, offer the unique opportunity to have access to a large spectrum of disease - specific cell models.
Benedict argued that non-conjugal reproduction such as in vitro fertilization had created «new problems» ¯ the freezing of human embryos, for instance, and the selective abortion of medically implanted embryos, together with pre-implantation diagnosis, embryonic stem - cell research, and attempts at human cloning.
Yamanaka and Takahashi began their search by studying embryonic stem cells in the hope of identifying the genes that underlie essential stem cell characteristics, such as pluripotency and proliferation, a cell's ability to replicate itself.
Pluripotent cells such as embryonic stem (ES) and induced pluripotent stem (iPS) cells are the starting point from which to generate organ specific cell types.
Current efforts, mostly conducted in animal models, involve attempting to derive and aggregate embryonic stem cells, exposing them to such factors as acetic acid, allowing them to differentiate, or specialize, and then sorting through these cells to extract the cell types of interest.
When derived from fetal membranes, such as chorionic and amniotic membranes, MSCs are considered an intermediate between human embryonic stem cells (hESCs) and adult stem cells.
Human pluripotent stem cells (hPSCs), including human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs), are known to be vulnerable to apoptosis upon various technical manipulation, such as single cell dissociation, freezing and thawing, etc., which hinder their use for clonal isolation in gene transfer, differentiation and FACS cell sorting.
Such an immunological exemption could alleviate many concerns about using cells for therapy that don't exactly match the recipient's immune system - such as existing embryonic stem cell lines that are not directly derived from the recipiSuch an immunological exemption could alleviate many concerns about using cells for therapy that don't exactly match the recipient's immune system - such as existing embryonic stem cell lines that are not directly derived from the recipisuch as existing embryonic stem cell lines that are not directly derived from the recipient.
Stem cell researchers from UCLA used a high resolution technique to examine the genome, or total DNA content, of a pair of human embryonic stem cell lines and found that while both lines could form neurons, the lines had differences in the numbers of certain genes that could control such things as individual traits and disease susceptibilStem cell researchers from UCLA used a high resolution technique to examine the genome, or total DNA content, of a pair of human embryonic stem cell lines and found that while both lines could form neurons, the lines had differences in the numbers of certain genes that could control such things as individual traits and disease susceptibilstem cell lines and found that while both lines could form neurons, the lines had differences in the numbers of certain genes that could control such things as individual traits and disease susceptibility.
Other bodies, such as GTAC and the MHRA, will then be involved in the regulation of any clinical trials involving either embryonic or fetal stem cells
She argues that early research into embryonic stem cells have shown them to be largely unhelpful, while research using adult stem cells has cured or improved the outcome for such diseases as lupus and multiple sclerosis.
As one example, using insights from embryonic development, Jessell has been able to convert embryonic stem cells into functioning motor neurons, facilitating the discovery of medicines to treat such diseases.
AST - OPC1, an oligodendrocyte progenitor cell population derived from human embryonic stem cells, has been shown in preclinical testing in animals and in vitro to have three potentially reparative functions that address the complex pathologies observed in demyelination disorders, such as spinal cord injuries, and multiple neurodegenerative diseases, including multiple sclerosis and white matter stroke.
Embryonic stem cells with identical genomes grow into distinctive tissues, such as heart, bone, and brain.
«This discovery will advance our understanding of stem cell epigenetics and chromatin structures, provide potential mechanisms on maintaining the hallmark properties of ES cells, and help researchers with the rich source of information to better understand some of the unique features — such as self - renewal and pluripotency — of human embryonic stem cells,» said Ng Huck Hui, Ph.D., senior group leader at GIS and a member of the Singapore team that conducted this research.
InvivoSciences makes engineered heart tissues from mouse embryonic stem cells and stem cells from differentiated adult tissues in humans, such as fat and skin.
Various cell types have been examined for use in RPE cell replacement including immortalized cell lines, such as the human RPE cell line, ARPE19 [2], sheets of adult RPE [3], foetal RPE [4], RPE derived from human embryonic stem cells (HESC - RPE)[5]--[10] and many non-RPE cells lines [11]--[15].
Patient - specific stem cells may offer an alternative to embryonic stem cells that will skirt the need for immunosuppressive therapy as well as the social and political ramifications of embryonic stem cell research, but their utility extends far beyond such groundbreaking advances and will assist future clinical practice and patient care.
• Despite the fact that U.S. scientists were the first to derive human embryonic stem cells, leadership in this area of research is shifting to other countries such as the United Kingdom, Singapore, South Korea, and Australia.
Many states, such as California, are pushing forward public funding for the rapidly growing field of research while Michigan has outlawed embryonic stem cell research.
Studies have identified transcription factors such as Stat3, Nanog, and Oct4 as being necessary for embryonic stem (ES) cell self - renewal and maintenance of pluripotency.
As you know, embryonic stem cells have the potential to be used to treat and better understand deadly and disabling diseases and conditions that affect more than 100 million Americans, such as cancer, heart disease, diabetes, Parkinson's, Alzheimer's, multiple sclerosis, spinal cord injury, and many otherAs you know, embryonic stem cells have the potential to be used to treat and better understand deadly and disabling diseases and conditions that affect more than 100 million Americans, such as cancer, heart disease, diabetes, Parkinson's, Alzheimer's, multiple sclerosis, spinal cord injury, and many otheras cancer, heart disease, diabetes, Parkinson's, Alzheimer's, multiple sclerosis, spinal cord injury, and many others.
Without these two technologies that you'll hear about in a moment, there would be no such thing as human embryonic stem cell research, and President Bush could have enjoyed his summer vacation in Crawford without having to agonize over the baptism of the infamous 64 stem cell lines.
* The role of the US in global efforts to address pollutants that are broadly dispersed across national borders, such as greenhouse gasses, persistent organic pollutants, ozone, etc...; * How they view a president's ability to influence national science policy in a way that will persist beyond their term (s), as would be necessary for example to address global climate change or enhancement of science education nationwide; * Their perspective on the relative roles that scientific knowledge, ethics, economics, and faith should play in resolving debates over embryonic stem cell research, evolution education, human population growth, etc... * What specific steps they would take to prevent the introduction of political or economic bias in the dissemination and use of scientific knowledge; * (and many more...)
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