Stem Cells Current Events

Stem Cells Current Events, Stem Cells News Articles.
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Stem cells 'by default'
In spite of considerable research efforts around the world, we still do not know the determining factors that confer stem cells their main particular features: capacity to self-renew and to divide and proliferate. The scientist Jordi Casanova, head of the (2012-04-12)

New studies question the treatment of female infertility with stem cells
It has been claimed that a treatment for female infertility will be available by stem cell therapy. But a new study by Swedish researchers from the University of Gothenburg and Karolinska Institutet published in Nature Medicine questions whether new egg cells can be produced using stem cells. (2015-11-03)

Researchers identify stem cell gene with unique role
Researchers at H. Lee Moffitt Cancer Center & Research Institute and the University of South Florida have identified a gene whose expression is shared by both the earliest stem cells--embryonic stem cells--and by tissue-specific stem cells in adults. The finding has implications for the control of stem cell growth. (2001-10-04)

Scientists isolate cancer stem cells
Cancer prevention researchers have discovered a protein marker that allows them to isolate cancer stem cells from regular cancer cells. By targeting this marker, scientists are developing new drugs to kill the stem cells and stop cancer from returning. (2008-09-11)

Yale researcher testifies in support of embryonic stem cell research
Yale researcher Diane Krause testified today before the Senate Appropriations Subcommittee urging Congress to continue federal funding for embryonic stem cell research. Krause, associate professor of laboratory medicine and pathology at Yale School of Medicine, has done extensive research on adult stem cells. She recently discovered adult stem cells in bone marrow that can create new liver, lung, gastrointestinal and skin cells, and possibly any other organ in the body. (2001-07-18)

Stem Cells and International Stem Cell Symposium present annual stem cells award
AlphaMed Press and Wiley-Blackwell, co-publishers of the peer-reviewed journal Stem Cells, announce that the annual Stem Cells Young Investigator Award, with co-sponsorship from the International Stem Cell Symposium, will be presented on Oct. 2, 2010, in Seoul, South Korea. (2010-09-28)

How blood can be rejuvenated
Our blood stem cells generate around a thousand billion new blood cells every day. But the blood stem cells' capacity to produce blood changes as we age. This leads to older people being more susceptible to anaemia, lowered immunity and a greater risk of developing certain kinds of blood cancer. Now for the first time, a research team at Lund University in Sweden has succeeded in rejuvenating blood stem cells with established reduced function in aging mice. The study is published in Nature Communications. (2017-02-23)

Stem cells stand up for themselves
Adult stem cells are not pampered pushovers. O'Reilly et al. report in the Aug. 25 issue of the Journal of Cell Biology that certain stem cells take charge of their surroundings, molding their environment to control their division and differentiation. (2008-08-25)

Research points to ways to improve the therapeutic potential of stem cells
Stem cells hold great promise for transforming medical care related to a diverse range of conditions, but the cells often lose some of their therapeutic potential when scientists try to grow and expand them in the laboratory. A new study, however, provides insights on the cellular mechanisms that might be targeted to help certain stem cells -- called human mesenchymal stem cells (hMSCs) -- maintain properties needed to make them clinically useful. (2016-10-11)

U of MN researchers identify new cord blood stem cell
Researchers at the University of Minnesota Medical School have discovered a new population of cells in human umbilical cord blood that have properties of primitive stem cells. (2006-02-13)

Adult mouse bone marrow stem cells can become cells of the nervous system
University of Minnesota researchers show that adult bone marrow stem cells can be induced to differentiate into cells of the midbrain. The findings, published in the online early edition of the Proceedings of the National Academy of Sciences, suggest that adult bone-marrow-derived stem cells may one day be useful for treating diseases of the central nervous system, including Parkinson's disease. (2003-08-18)

Dead feeder cells support stem cell growth
Stem cells naturally cling to feeder cells as they grow in petri dishes. Scientists have thought for years that this attachment occurs because feeder cells serve as a support system, providing stems cells with essential nutrients. But a new study that successfully grew stem cells with dead, or fixed, feeder cells suggests otherwise. (2015-04-24)

International stem cell symposium to be held at Imperial College London
An international symposium exploring the potential of stem cells for repair and regeneration is to be held at Imperial College London's Hammersmith campus on the 27-28 September 2004. (2004-09-01)

Stem cells born out of indecision
Scientists at the University of Copenhagen have gained new insight into embryonic stem cells and how blocking their ability to make choices explains why they stay as stem cells in culture. The results have just been published in the scientific journal Cell Reports. (2014-12-18)

Heart derived stem cells develop into heart muscle
Dutch researchers at University Medical Center Utrecht and the Hubrecht Institute have succeeded in growing large numbers of stem cells from adult human hearts into new heart muscle cells. A breakthrough in stem cell research. Until now, it was necessary to use embryonic stem cells to make this happen. The findings are published in the latest issue of the journal Stem Cell Research. (2008-04-23)

Immune system discovery could aid quest for stem cell therapies
Scientists have discovered how stem cells can develop resistance against viruses, a finding that could aid the development of stem cell therapies. (2019-05-14)

U of MN researchers use human embryonic stem cells to kill cancer cells
For the first time, stem cell researchers at the University of Minnesota have coaxed human embryonic stem cells to create cancer-killing cells in the laboratory, paving the way for future treatments for various types of cancers (or tumors). The research will be published in the Oct. 15 issue of the Journal of Immunology. (2005-10-11)

Stem cells which 'fool immune system' may provide vaccination for cancer
A study published in Stem Cells reveals the potential for human stem cells to provide a vaccination against colon cancer. (2009-10-07)

New U of T strategy will boost cord blood stem cells
A team of bioengineers led by the University of Toronto has discovered a way to increase the yield of stem cells from umbilical cord blood, to an extent which could broaden therapeutic use of these cells. (2005-10-18)

Adult stem cell types' heart repair potential probed
New research from New Zealand's University of Otago is providing fresh insights into how a patient's adult stem cells could best be used to regenerate their diseased hearts. The study, led by Department of Physiology researcher Dr. Rajesh Katare, is the first to compare the cardiac repair potential of three types of stem cells from an individual patient. (2016-11-24)

Ovarian cancer stem cells identified, characterized
Researchers at Yale School of Medicine have identified, characterized and cloned ovarian cancer stem cells and have shown that these stem cells may be the source of ovarian cancer's recurrence and its resistance to chemotherapy. (2008-04-17)

Transplanted bone marrow stromal cells lead to hepatocellular carcinoma?
The safety and efficacy of hepatic stem cells derived from bone marrow stromal cells should be adequately confirmed before any therapies are tested in humans. Hepatocarcinogenesis was induced with diethylnitrosamine. The liver was evaluated by immunohistochemistry and fluorescence in situ hybridisation. The results demonstrate that bone marrow stromal cells could differentiate into hepatocytes and hepatic stem cells derived from bone marrow stromal cells are not cellular origin of hepatocellular carcinoma. (2008-05-21)

Stem cells may help improve corneal wound healing
A new review is the first to directly examine the role of various stem cells in the healing of wounded cornea, the outermost part of the eye. (2017-07-31)

Key protein revealed as trigger for stem cell development
A natural trigger that enables stem cells to become any cell type in the body has been discovered by scientists. Researchers have identified a protein that kick-starts the process by which stem cells can develop to into different cells in the body, for instance liver or brain cells. (2013-02-07)

Anti-psychotic drug pushes cancer stem cells over the edge
An anti-psychotic drug used to treat schizophrenia appears to get rid of cancer stem cells by helping them differentiate into less threatening cell types. The discovery reported in the Cell Press journal Cell on May 24 comes after researchers screened hundreds of compounds in search of those that would selectively inhibit human cancer stem cells, and it may lead rather swiftly to a clinical trial. (2012-05-24)

New stem cell research removes reliance on human and animal cells
A new study, published today in the journal Applied Materials & Interfaces, has found a new method for growing human embryonic stem cells, that doesn't rely on supporting human or animal cells. (2014-02-05)

A Prkci gene keeps stem cells in check
When it comes to stem cells, too much of a good thing isn't wonderful: producing too many new stem cells may lead to cancer; producing too few inhibits the repair and maintenance of the body. In a paper published in Stem Cell Reports, USC researcher In Kyoung Mah from the lab of Francesca Mariani and colleagues at the University of California, San Diego, (UCSD) describe a key gene in maintaining this critical balance between producing too many and too few stem cells. (2015-10-30)

New stem cell maintenance protein found
Scientists have identified a critical, new stem cell protein - a marked advance in the elucidation of the molecular blueprint of stem cells. Drs. Robert Tsai and Ronald McKay at the NIH have discovered a novel gene, called nucleostemin, whose encoded protein is necessary for maintaining the proliferative capacity of embryonic and adult stem cells, and possibly some types of cancer cells. Their report is published in the December 1 issue of the scientific journal Genes & Development. (2002-11-30)

Super-potent blood stem cells discovered in human embryos
In research recently published in Stem Cell Reports, Andrejs Ivanovs, Alexander Medvinsky (a.medvinsky@ed.ac.uk) and colleagues from the University of Edinburgh discovered that HSCs from early human embryos, when HSCs are just starting to form, are more robust at expanding than those from the cord blood. (2020-09-17)

ViaCell Inc., the world's largest umbilical cord blood research and banking company comments on Bush administration's decision
ViaCell, Inc., a fully-integrated cellular therapy company committed to enabling the development of additional therapeutic applications for umbilical cord blood stem cells, commended the Bush Administration's decision to support additional funding for alternative sources of stem cells. Umbilical cord blood is considered an attractive alternative source and is an abundant and non-controversial store of neonatal stem cells.ViaCell has pioneered a platform technology, Selective Amplification™, that enables the expansion of the umbilical cord blood stem cell population. (2001-08-10)

Regulating hematopoietic stem cell homeostasis and leukemogenesis
In the April 15 issue of G&D, Dr. Richard Flavell and colleagues identify the c-Cbl protein as a critical repressor of hematopoietic stem cell self-renewal. In addition to establishing a key role for protein ubiquitylation in HSC development, this finding posits c-Cbl as a potential target in research into stem cell engineering as well as cell-based leukemia treatments. (2008-04-14)

Stem cells in the brain: Limited self-renewal
Stem cells in the brain can produce neurons and are consequently seen as a hope for treatment. A team of researchers from the Helmholtz Zentrum MĂĽnchen and LMU Munich has now discovered that the self-renewal rate of the stem cells is however limited, explaining why their number drops over the course of a lifetime. This work now sets the basis for further investigation of the signalling pathways that maintain the stem cells. (2015-03-11)

Stem cell research aids understanding of cancer
An international team of researchers led by renowned stem cell scientist professor Martin Pera has discovered a novel marker that plays an important role in our understanding of how cancer develops in the liver, pancreas and esophagus. (2012-07-19)

New insights into mechanisms regulating gene expression in embryonic stem cells
Researchers from Turku, Finland, have discovered new information about the mechanisms which maintain gene activity in human embryonic stem cells. The observed mechanism is essential for the self-renewal of stem cells. The two research groups who made the discovery, led by Senior Researcher, Docent Riikka Lund and Academy Professor Riitta Lahesmaa, work at the Turku Centre for Biotechnology. The study was conducted in co-operation with researchers from Aalto University, the University of Tampere and Karolinska Institutet. (2017-05-31)

Attacking bowel cancer on 2 fronts
Stem cells in the intestine, which when they mutate can lead to bowel cancers, might also be grown into transplant tissues to combat the effects of those same cancers, the UK National Stem Cell Network annual science meeting will hear today. (2011-03-30)

Blood stem cells study could pave the way for new cancer therapy
People with leukaemia could be helped by new research that sheds light on how the body produces its blood supply. (2016-03-10)

'Educating' patients' immune cells may help combat diabetes
New research reveals that a treatment called Stem Cell Educator therapy is safe and effective for treating type 1 and type 2 diabetes. (2017-07-07)

Stem cell transplant repairs damaged gut in mouse model of inflammatory bowel disease
A source of gut stem cells that can repair a type of inflammatory bowel disease when transplanted into mice has been identified by researchers at the Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute at the University of Cambridge and at BRIC, the University of Copenhagen, Denmark. (2013-10-17)

Scientists can now differentiate between healthy cells and cancer cells
A new study by McMaster University researchers has provided insight into how scientists might develop therapies and drugs that more carefully target cancer, while sparing normal healthy cells. (2009-01-05)

First genome-wide expression analysis yields better understanding of how leukemia develops
In a collaborative study published Feb. 9, 2009, in the Proceedings of the National Academy of Sciences, scientists performed a genome-wide expression analysis comparing highly enriched normal blood stem cells and leukemic stem cells, and identified several new pathways that have a key role in cancer development. (2009-02-09)

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