Fly Lifespan Lengthened By Eliminating GermlineNew research by Brown University biologists shows that fruit flies live longer when they don't produce germline stem cells - the cells that create eggs and sperm.The work suggests a provocative general principle at work: Signals from reproductive tissue directly control lifespan and metabolism in the whole organism.
Heart Cells Made From Embryonic Stem CellsA group of scientists from Canada and the US has successfully used embryonic stem cells to produce heart progenitor cells which are able to make three major types of cell essential for a healthy heart. The researchers said this discovery represents a significant step in the development of human heart tissue for use in heart repair and drug testing.
Multipotential Stem Cells Could Be Provided By Menstrual BloodResearchers seeking new and more abundant sources of stem cells for use in regenerative medicine have identified a potentially unlimited, noncontroversial, easily collectable, and inexpensive source - menstrual blood.Stromal stem cells - cells that are present in connective tissues - have recently been identified in endometrial tissues of the uterus.
A Stem Cell Type Supposed To Be Crucial For Angiogenesis And Cancer Growth Does Not Exist?It is widely believed that tumor angiogenesis and cancer growth critically depend on circulating endothelial precursor cells, mobilized from the bone marrow. The recent study from researchers at the University of Helsinki, Finland, and Stanford University, US, now suggests that a stem cell type supposed to be crucial for blood vessel formation and cancer growth does not actually exist.
Pope At U.N. Speaks Against Science That He Says Violates 'Order Of Creation'Pope Benedict XVI on Friday at the United Nations General Assembly spoke against technology and science that he said violates the "order of creation," which seemed to refer to stem cell research and cloning, Long Island Newsday reports (Schuster/Dowdy, Long Island Newsday, 4/19).
Vanderbilt Burn Expertise To Assist Federal Battlefield Injuries ProjectVanderbilt University Medical Center is one of three clinical sites testing new products to replace burned skin as part of a massive federal grant program announced Thursday. The collaborative effort is expected to boost treatment options for soldiers injured in war zones.The Armed Forces Institute of Regenerative Medicine (AFIRM) consists of two academic groups, or consortiums, working with the U.S.
Disfigured Wounded US Soldiers To Get New Skin, Ears And FingersThe US Department of Defense has announced the launch of a five year collaborative program to make use of cutting edge medical technology to treat service members who are badly disfigured from injuries received while serving in wars.
Louisiana House Approves Bill Banning Use Of State Funds For Therapeutic CloningThe Louisiana House on Tuesday approved a measure (HB 370) that would prohibit the use of state or federal funds for research on human somatic cell nuclear transfer, the Baton Rouge Advocate reports (Shuler, Baton Rouge Advocate, 4/16).
Fully Differentiated Cells Can Be Reprogrammed To Induced Pluripotent Stem CellsFully mature, differentiated B cells can be reprogrammed to an embryonic-stem-cell-like state, without the use of an egg according to a study published in the April 18 issue of Cell.In previous research, induced pluripotent stem (IPS) cells have been created from fibroblasts, a specific type of skin cells that may differentiate into other types of skin cells.
In Just 6 Weeks New Type Of Drug Shrinks Primary Breast Cancer Tumors SignificantlyA drug that targets the cell surface receptors that play an important role in many types of cancer can bring about significant tumour regression in breast cancer after only six weeks of use, a scientist told the 6th European Breast Cancer Conference (EBCC-6). Dr.
Mesoblast Limited Announce Long-Lasting And Sustained Effect By Allogeneic Cells In Knee Osteoarthritis Preclinical TrialsAustralia's adult stem cell company, Mesoblast Limited (ASX: MSB; USOTC: MBLTY), announced successful long-term results in its osteoarthritis preclinical trials. A single injection of its proprietary allogeneic, or "off-the-shelf", adult stem cells into arthritic knees provided sustained protection against cartilage destruction and degeneration for up to nine months.
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