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Stem Cells

Where is a natural product that has stem cell enhancers in it?  Click on this link and type in "stem cells" in the top right search engine .  Call 888.800.7070 West Coast time zone and mention Michael White of breathing.com for a 20% discount on ALL OTHER E3live products.

More Frequently Asked Stem Cell Questions


Basic Questions
  1. What are human embryonic stem cells?
    Stem cells are cells that have the remarkable potential to develop into many different cell types in the body. Serving as a sort of repair system for the body, they can theoretically divide without limit to replenish other cells for as long as the person or animal is still alive. When a stem cell divides, each "daughter" cell has the potential to either remain a stem cell or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, or a brain cell.

    A more detailed primer on stem cells can be found at http://stemcells.nih.gov/info/basics.

  2. What classes of stem cells are there?
    There are three classes of stem cells: totipotent, multipotent, and pluripotent.
    • A fertilized egg is considered totipotent, meaning that its potential is total; it gives rise to all the different types of cells in the body.
    • Stem cells that can give rise to a small number of different cell types are generally called multipotent.
    • Pluripotent stem cells can give rise to any type of cell in the body except those needed to develop a fetus.
  3. Where do stem cells come from?
    Pluripotent stem cells are isolated from human embryos that are a few days old. Cells from these embryos can be used to create pluripotent stem cell "lines" —cell cultures that can be grown indefinitely in the laboratory. Pluripotent stem cell lines have also been developed from fetal tissue obtained from fetal tissue (older than 8 weeks of development).
  4. Why do scientists want to use stem cell lines?
    Once a stem cell line is established from a cell in the body, it is essentially immortal, no matter how it was derived. That is, the researcher using the line will not have to go through the rigorous procedure necessary to isolate stem cells again. Once established, a cell line can be grown in the laboratory indefinitely and cells may be frozen for storage or distribution to other researchers.

    Stem cell lines grown in the lab provide scientists with the opportunity to "engineer" them for use in transplantation or treatment of diseases. For example, before scientists can use any type of tissue, organ, or cell for transplantation, they must overcome attempts by a patient's immune system to reject the transplant. In the future, scientists may be able to modify human stem cell lines in the laboratory by using gene therapy or other techniques to overcome this immune rejection. Scientists might also be able to replace damaged genes or add new genes to stem cells in order to give them characteristics that can ultimately treat diseases.

Healthcare Questions
  1. Why are doctors and scientists so excited about human embryonic stem cells?
    Stem cells have potential in many different areas of health and medical research. To start with, studying stem cells will help us to understand how they transform into the dazzling array of specialized cells that make us what we are. Some of the most serious medical conditions, such as cancer and birth defects, are due to problems that occur somewhere in this process. A better understanding of normal cell development will allow us to understand and perhaps correct the errors that cause these medical conditions.

    Another potential application of stem cells is making cells and tissues for medical therapies. Today, donated organs and tissues are often used to replace those that are diseased or destroyed. Unfortunately, the number of people needing a transplant far exceeds the number of organs available for transplantation. Pluripotent stem cells offer the possibility of a renewable source of replacement cells and tissues to treat a myriad of diseases, conditions, and disabilities including Parkinson's and Alzheimer's diseases, spinal cord injury, stroke, burns, heart disease, diabetes, osteoarthritis and rheumatoid arthritis.

  2. Have human embryonic stem cells been used successfully to treat any human diseases yet?
    Scientists have only been able to do experiments with human embryonic stem cells (hESC) since 1998, when a group led by Dr. James Thomson at the University of Wisconsin developed a technique to isolate and grow the cells. Moreover, federal funds to support hESC research have only been available since August 9, 2001, when President Bush announced his decision on federal funding for hESC research. Because many academic researchers rely on federal funds to support their laboratories, they are just beginning to learn how to grow and use the cells. Thus, although hESC are thought to offer potential cures and therapies for many devastating diseases, research using them is still in its early stages.

    Adult stem cells such as blood-forming stem cells in bone marrow (called hematopoietic stem cells, or HSCs) are currently the only type of stem cell commonly used to treat human diseases. Doctors have been transferring HSCs in bone marrow transplants for over 40 years. More advanced techniques of collecting, or "harvesting", HSCs are now used in order to treat leukemia, lymphoma and several inherited blood disorders.

    The clinical potential of adult stem cells has also been demonstrated in the treatment of other human diseases that include diabetes and advanced kidney cancer. However, these newer uses have involved studies with a very limited number of patients.

  3. What will be the best type of stem cell to use for therapy?
    Pluripotent stem cells, while having great therapeutic potential, face formidable technical challenges. First, scientists must learn how to control their development into all the different types of cells in the body. Second, the cells now available for research are likely to be rejected by a patient's immune system. Another serious consideration is that the idea of using stem cells from human embryos or human fetal tissue troubles many people on ethical grounds.

    Until recently, there was little evidence that multipotent adult stem cells could change course and provide the flexibility that researchers need in order to address all the medical diseases and disorders they would like to. New findings in animals, however, suggest that even after a stem cell has begun to specialize, it may be more flexible than previously thought.

    There are currently several limitations to using adult stem cells. Although many different kinds of multipotent stem cells have been identified, adult stem cells that could give rise to all cell and tissue types have not yet been found. Adult stem cells are often present in only minute quantities and can therefore be difficult to isolate and purify. There is also evidence that they may not have the same capacity to multiply as embryonic stem cells do. Finally, adult stem cells may contain more DNA abnormalities—caused by sunlight, toxins, and errors in making more DNA copies during the course of a lifetime. These potential weaknesses might limit the usefulness of adult stem cells.

  4. I have Parkinson's Disease. Is there a clinical trial that I can participate in that uses stem cells as therapy?
    The public may search a database of NIH-sponsored clinical trials at www.clinicaltrials.gov. Enter the search terms of interest (in this case, Parkinson's Disease and stem cells) to search for applicable clinical trials.
  5. Where can I donate umbilical cord stem cells?
    NIH cannot accept donated umbilical cord stem cells from the general public. The National Marrow Donor Program maintains a Web page on donating cord blood at http://www.marrow.org/NMDP/cord_blood_bank_list.html, and the International Cord Blood Society has one at http://www.cordblood.org/public/insights.
Research and Policy Questions
  1. Which research is best to pursue?
    The development of stem cell lines that can produce many tissues of the human body is an important scientific breakthrough. This research has the potential to revolutionize the practice of medicine and improve the quality and length of life. Given the enormous promise of stem cells therapies for so many devastating diseases, NIH believes that it is important to simultaneously pursue all lines of research and search for the very best sources of these cells.
  2. Why not use adult stem cells instead of using human embryonic stem cells in research?
    Human embryonic stem cells are thought to have much greater developmental potential than adult stem cells. This means that embryonic stem cells may be pluripotent—that is, able to give rise to cells found in all tissues of the embryo except for germ cells rather than being merely multipotent—restricted to specific subpopulations of cell types, as adult stem cells are thought to be.
  3. What are the NIH Guidelines on the utilization of stem cells derived from human fetal tissue (embryonic germ cells)?
    The Federal Register Announcement National Institutes of Health Guidelines for Research Using Human Pluripotent Stem Cells pdf
     published August 25, 2000, was "superceded as it pertains to embryonic stem cell research" on November 14, 2001). However, Section II. B, titled "Utilization of Human Pluripotent Stem Cells Derived from Human Fetal Tissue," still governs human embryonic germ cell research. In addition, Section III, titled "Areas of Research Involving Human Pluripotent Stem Cells That Are Ineligible for NIH Funding," governs both human embryonic stem cell and human embryonic germ cell research.
  4. May individual states pass laws to permit human embryonic stem cell research?
    Individual states have the authority to pass laws to permit human embryonic stem cell research using state funds. Unless Congress passes a law that bans it, states may pay for research using human embryonic stem cell lines that are not eligible for federal funding.
  5. Where can I find information about patents obtained for stem cells?
    The U.S. Patent and Trademark Office offers a full-text search of issued patents and published applications. Try searching for "stem cell" or "stem cells."
  6. Where is a natural product that has stem cells in it?  Follow this link and type in "stem cells" in the top right search engine
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The breathing improvement techniques, practices and products outlined in this publication are extremely gentle, and should, if carried out as described, be beneficial
to your overall physical and psychological health. If you have any serious medical or psychological problem, however, such as heart disease, high blood pressure,
cancer, mental illness, or recent abdominal or chest surgery, you should consult your health professional before undertaking these practices.

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