Stem Cell Research –information for today’s Catholics.
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Transcript of Stem Cell Research –information for today’s Catholics.
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Stem Cell Research–information for today’s Catholics
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Terms to know• Stem cells• Embryonic stem cells• Adult stem cells
• Cells that, when they divide, produce cells that have the potential to be many different types of cell, ie. Nerve, blood, bone, etc.
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Terms to know• Stem cells• Embryonic stem cells• Adult stem cells
• Stem cells found in a pre-born human being.
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Terms to know• Stem cells• Embryonic stem cells• Adult stem cells
• Stem cells found in a human being that has been born already. They don’t have to be an “adult” or a specific age.
October 8, 2012 --The Nobel Prize honoring Sir John B. Gurdon and Shinya Yamanaka was announced. They found a way to make iPS cells from other human cells.
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All stem cells are pluripotent.
• Pluripotent means having the ability to generate almost any kind of cell.
• Current Clinical Trials of Adult Stem Cells• Cancers—Lymphomas, multiple myeloma,
leukemias, breast cancer, neuroblastoma, renal cell carcinoma, ovarian cancer
• Autoimmune diseases—multiple sclerosis, systemic lupus, rheumatoid arthritis, scleroderma, scleromyxedema, Crohn’s disease
• Anemias (incl. sickle cell anemia)• Immunodeficiencies—including human gene
therapy• Bone/cartilage deformities—children with
osteogenesis imperfecta• Corneal scarring-generation of new corneas to
restore sight• Stroke—neural cell implants in clinical trials• Repairing cardiac tissue after heart attack
—bone marrow or muscle stem cells from patient
• Parkinson’s—retinal stem cells, patient’s own neural stem cells, injected growth factors
• Growth of new blood vessels—e.g., preventing gangrene
• Gastrointestinal epithelia—regenerate damaged ulcerous tissue
• Skin—grafts grown from hair follicle stem cells, after plucking a few hairs from patient
• Wound healing—bone marrow stem cells stimulated skin healing
• Spinal cord injury—clinical trials currently in Portugal, Italy, S. Korea
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ESCR involves killing an embryo to harvest its stem cells.
ESCR uses human cloning (SCNT) to obtain embryos
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The Church’s teaching on stem cell research-
•Supports adult stem cell research.
•Opposes embryonic stem cell research.
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There are many BIOLOGICAL reasons not to use embryonic stem cells, too.
Yankee pitcher treated injury with stem cells
•Protein markers/rejection•Tumor formation•Genetic instability
New Blood vessels for a diseased heart
Currently, there are 72 treatments /curesusing adult stem cells, but no one (aftermore than 25 years of research) has everbeen helped with embryonic stem cells.
asc treatment for spinal cord injury
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Some scientists argue that we should use “leftover” embryos for ESCR.
• Instead, how about not creating embryos outside of the marital act in the first place?
IVF IS IMMORAL, TOO!!!
• All life is sacred…..Human dignity is not conditional.
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The U.S. is the world leader in ESC research – ESCR is not, and never has been, against the law IN THE U.S.•1998 -2004, the United States alone published
46% of all papers published worldwide on hESCR – by far the single largest contributor.
•Over 30 European countries have banned human cloning (necessary for expansion of ESC research)--- NOT the U.S.!
•Missouri – Amendment 2
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• Southeast Kansas Craigslist ad
ESCR involves discrimination against women, and putting women at risk for injury, sterility and death.
ESC researchers need eggs.College women, poor women, minorities need money.
• Scientists need eggs. People need money, esp. college-aged.
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Why does the U.S. continue to do ESC research if ASC research is more promising?
•More potential for profit. PATENTS
• Image of “fountain of youth”…
• Interest groups, political agendas, “Hollywood”
•Culture of death