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Adult Stem Cell Results & Embryonic Stem Cell Ethics Video Adult Stem Cell Research: Making a Difference Today from Rosenberg Communications, Inc. The Gerard Health Foundation has produced a powerful video on adult stem cell research, showing its advantages over embryonic stem cell research. The public domain video offers useful, yet often ignored, information about adult stem cell research. We believe the information you'll see in the video is essential to making an informed judgment about the debate over this research. This film is consistent with the teachings of the Roman Catholic Church, which state that the ablation of the inner cell mass (ICM) of the blastocyst, which critically and irremediably damages the human embryo, curtailing its development, is a gravely immoral act and consequently is gravely illicit. No end believed to be good, such as the use of stem cells for the preparation of other differentiated cells to be used in what look to be promising therapeutic procedures, can justify an intervention of this kind. A good end does not make right an action which in itself is wrong. An adult stem cell is an undifferentiated cell found among differentiated cells in a tissue or organ, can renew itself, and can differentiate to yield the major specialized cell types of the tissue or organ. The primary roles of adult stem cells in a living organism are to maintain and repair the tissue in which they are found. Some scientists now use the term somatic stem cell instead of adult stem cell. Unlike embryonic stem cells, which are defined by their origin (the inner cell mass of the blastocyst), the origin of adult stem cells in mature tissues is unknown. Research on adult stem cells has recently generated a great deal of excitement. Scientists have found adult stem cells in many more tissues than they once thought possible. This finding has led scientists to ask whether adult stem cells could be used for transplants. In fact, adult blood forming stem cells from bone marrow have been used in transplants for 30 years. Certain kinds of adult stem cells seem to have the ability to differentiate into a number of different cell types, given the right conditions. If this differentiation of adult stem cells can be controlled in the laboratory, these cells may become the basis of therapies for many serious common diseases. The history of research on adult stem cells began about 40 years ago. In the 1960s, researchers discovered that the bone marrow contains at least two kinds of stem cells. One population, called hematopoietic stem cells, forms all the types of blood cells in the body. A second population, called bone marrow stromal cells, was discovered a few years later. Stromal cells are a mixed cell population that generates bone, cartilage, fat, and fibrous connective tissue. Also in the 1960s, scientists who were studying rats discovered two regions of the brain that contained dividing cells, which become nerve cells. Despite these reports, most scientists believed that new nerve cells could not be generated in the adult brain. It was not until the 1990s that scientists agreed that the adult brain does contain stem cells that are able to generate the brain's three major cell types—astrocytes and oligodendrocytes, which are non-neuronal cells, and neurons, or nerve cells. Public domain film from: From http://h1.ripway.com/rosenbergComm/. (public domain). Tags: ASC, Bush, ESC, ICM, Obama, SCNT, adult, blastocyst, blood, catholic, cell, cells, church, cloning, cord, destroy, destruction, differentiate, differentiation, embryo, embryonic, embryos, ethics, human, injuries, injury, inner, killing, life, mass, moral, morality, morals, murder, nerve, nuclear, organ, pro-life, procedure, procedures, prolife, regenerating, regeneration, research, roman, science, scientific, skin, somactic, spinal, stem, stem-cell, stem-cells, teachings, therapeutic, therapies, therapy, transfer, treatment, umbilical, undifferentiated 1 Downloads - Last from: (Your Blog here!) |
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Morality without God? - Part 1 In this video, I describe a few of the problems with theistic based morality and suggest how one can be moral and a non-believer. My discussion is broken into two parts. So, if you find this first video interesting, please continue with part two. Tags: atheism, atheist, blasphemy, christ, christian, evolution, god, morality, morals, religion, theism 1 Downloads - Last from: (Your Blog here!) |
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Morality without God? - Part 2 In this video, I describe a few of the problems with theistic based morality and suggest how one can be moral and a non-believer. Tags: atheism, atheist, christian, christianity, god, morality, religion 1 Downloads - Last from: (Your Blog here!) |
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True News 13: Statism is Dead - Part 3 - The Matrix You do not live in a country. Take the red pill. Freedomain Radio - http://www.freedomainradio.com Text: http://fdrurl.com/Matrix Text: http://freedomain.blogspot.com/2008/11/true-news-13-statism-is-dead-part-3.html Tags: ethics, freedomain, libertarian, matrix, morality, objectivist, philosophy, radio, religion, virtue 1 Downloads - Last from: (Your Blog here!) |
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The Resurgence of Big Government - Ayn Rand Center - 1 of 2 http://www.aynrandcenter.org Dr. Yaron Brook, president of the Ayn Rand Center for Individual Rights, examines the causes and consequences of the resurgence of big government in America. Part two is here: http://www.youtube.com/watch?v=tavLfhX-z2I Tags: Adam, Alan, August, Ayn, Fed, Freidman, Friedrich, Greenspan, Hayek, JP, Jean-Baptiste, Ludwig, McCain, Milton, Mises, Morgan, Oxley, Rand, Sarbanes, Say, Smith, Von, altruism, atlas, bank, bankers, banking, banks, barack, brook, business, capitalism, center, crisis, economics, elections, ethics, federal, financial, free, government, individual, institute, john, markets, money, morality, obama, objectivism, objectivist, presidential, profit, regulation, reserve, rights, self-interest, shrugged, socialism, spending, wealth, yaron 1 Downloads - Last from: (Your Blog here!) |
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Bioethics Of Human Genetic Engineering - Documentary Video In Vivo : Selected Stories of Genetic Engineering (1996)- Robert Wyrod This experimental documentary examines the frontiers of human genetic engineering. It explores the ethical terrain of the emerging field of human gene therapy research and includes original interviews with the leading scientists working in this area. Director: Robert Wyrod Producer: Robert Wyrod Keywords: genetic; engineering; gene therapy; DNA; experimental; clone; molecular Contact Information: robertwyrod@gmail.com Creative Commons license: Attribution-Noncommercial 3.0 Human genetic engineering is the genetic engineering of humans by modifying the genotype of the unborn individual to control what traits it will possess when born.[1] Humans do not need gene therapy to survive, though it may prove helpful to treat certain diseases. Special gene modification research has been carried out on groups such as the 'bubble children' - those whose immune systems do not protect them from the bacteria and irritants all around them. The first clinical trial of human gene therapy began in 1990, but (as of 2008) is still experimental. Other forms of human genetic engineering are still theoretical, or restricted to fiction stories. Recombinant DNA research is usually performed to study gene expression and various human diseases. Some drastic demonstrations of gene modification have been made with mice and other animals, however; testing on humans is generally considered off-limits. In some instances changes are usually brought about by removing genetic material from one organism and transferring them into another species. There are two main types of genetic engineering. Somatic modifications involve adding genes to cells other than egg or sperm cells. For example, if a person had a disease caused by a defective gene, a healthy gene could be added to the affected cells to treat the disorder. The distinguishing characteristic of somatic engineering is that it is non-inheritable, e.g. the new gene would not be passed to the recipients offspring. Germline engineering would change genes in eggs, sperm, or very early embryos. This type of engineering is inheritable, meaning that the modified genes would appear not only in any children that resulted from the procedure, but in all succeeding generations. This application is by far the more consequential as it could open the door to the perpetual and irreversible alteration of the human species. There are two techniques researchers are currently experimenting with: Viruses are good at injecting their DNA payload into human cells and reproducing it. By adding the desired DNA to the DNA of non-pathogenic virus, a small amount of virus will reproduce the desired DNA and spread it all over the body. Manufacture large quantities of DNA, and somehow package it to induce the target cells to accept it, either as an addition to one of the original 23 chromosomes, or as an independent 24th human artificial chromosome. Human genetic engineering means that some part of the genes or DNA of a person are changed. It is possible that through engineering, people could be given more arms, bigger brains or other structural alterations if desired. A more common type of change would be finding the genes of extraordinary people, such as those for intelligence, stamina, longevity, and incorporating those in embryos. Human genetic engineering holds the promise of being able to cure diseases and increasing the immunity of people to viruses. An example of such a disease is cystic fibrosis, a genetic disease that affects lungs and other organs. Researchers are currently trying to map out and assign genes to different body functions or disease. When the genes or DNA sequence responsible for a disease is found, theoretically gene therapy should be able to fix the disease and eliminate it permanently. However, with the complexity of interaction between genes and gene triggers, gene research is currently in its infancy. Computer modeling and expression technology could be used in the future to create people from scratch. This would work by taking existing DNA knowledge and inserting DNA of "superior" body expressions from people, such as a bigger heart, stronger muscles, etc and implanting this within an egg to be inserted into a female womb. The visual modeling of this process may be very much like the videogame Spore, where people are able to manipulate the physical attributes of creatures and then "release them" in the digital world. Tags: DNA, RNA, adult, bioethics, biological, biology, biomolecular, biotech, biotechnology, cell, cells, chromosome, chromosomes, clone, cloning, code, concerns, danger, disease, diseases, embryo, embryonic, engineered, engineering, ethical, ethics, experiments, gene, genes, genetic, genetically, genome, genotype, human, illegal, legal, map, mapping, material, modifications, modified, morality, morals, pair, pathogenic, recombinant, research, retrograde, revolution, safety, somatic, stem, therapy, traits, unethical, viruses 1 Downloads - Last from: http://downthisvideo.com/tag/bioethics (Your Blog here!) |
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