• The Catholic Church has always held that stem-cell research and therapies are morally acceptable, as long as they don't involve the creation and destruction of human embryos. (archstl.org)
  • I've been working with mammalian embryos for over 40 years, with some work in my lab specifically focusing on various methods of cloning cattle and other livestock species. (wptv.com)
  • Sometimes the process of cloning by somatic cell nuclear transfer still produces abnormal embryos, most of which die. (wptv.com)
  • These scientists destroyed the embryos and derived stem cell lines. (nationalrighttolifenews.org)
  • Most embryos…formed one or two pronuclei at the time of removal from TSA, whereas a slightly higher portion of embryos cleaved…suggesting that some SCNT embryos did not exhibit visible pronuclei at the time of examination… Most cleaved embryos developed to the eight-cell stage…but few progressed to compact morula…and blastocyst. (nationalrighttolifenews.org)
  • Activation of embryonic genes and transcription from the transplanted somatic cell nucleus are required for development of SCNT embryos beyond the eight-cell stage…Therefore, these results are consistent with the premise that our modified SCNT protocol supports reprogramming of human somatic cells to the embryonic state. (nationalrighttolifenews.org)
  • A story in News.Com.Au-which runs stories from several Australian newspapers celebrates the cloning breakthrough because it means no embryos are used in the process! (nationalrighttolifenews.org)
  • But it is an important step in research because it doesn't require the use of embryos in creating the type of stem cell capable of transforming into any other type of cell in the body. (nationalrighttolifenews.org)
  • The Los Angeles Times has waded in to the junk biology game, assuring us that no embryos are threatened in human cloning-WHEN THE WHOLE POINT OF HUMAN CLONING IS TO CREATE AN EMBRYO! (nationalrighttolifenews.org)
  • Some prohibit only cloning for reproductive purposes and allow the creation of cloned human embryos for research, whereas others prohibit the creation of cloned embryos for any purpose. (who.int)
  • The end may be in sight for the debate over "harvesting" human embryos for their stem-cells in the pursuit of possible medical cures. (stanguthrie.com)
  • Apparently adult stem cells--those cells gotten from human body tissues and not embryos--have the potential to be just as versatile for medical research as ESCs--but without the need to kill nascent human life. (stanguthrie.com)
  • What these scientists can now do is essentially to take any type of cell and turn it into the equivalent of an embryonic stem cell-without needing embryos or egg cells. (stanguthrie.com)
  • In humans, a major roadblock in achieving successful SCNT leading to embryonic stem cells has been the fact that human SCNT embryos fail to progress beyond the eight-cell stage. (news-medical.net)
  • They derived several human embryonic stem cell lines from these cloned embryos whose DNA was an exact match to the adult cell that donated the DNA. (news-medical.net)
  • Embryonic cloning involves separating the cells of an embryo to create several identical embryos. (twig-usa.com)
  • When a fertilised egg separates into two or more embryos with almost identical DNA, these twins are created. (geminigenetics.com)
  • The video clarifies the scientific process that led to Dolly's creation, explores how media and political leaders responded to the birth with surprise and fear, and how Dolly influenced the ongoing debate over the use of human embryos in stem cell research. (retroreport.org)
  • How public and political anxiety over cloning in the late 1990s led to decades of debate over the use of human embryos. (retroreport.org)
  • How did the Japanese scientist Shinya Yamanaka sidestep the ethical issues surrounding the use of human embryos in stem cell research? (retroreport.org)
  • Scientists today can only attempt to recreate life into their own image by experimenting with stem cells taken from aborted embryos obtained a few days after conception---killing millions of young life solely to develop new organs, blood, medications, and other hosts of evil experimentation in destroying God's creation. (savedandloved.com)
  • After many divisions in culture, this single cell forms a blastocyst (an early stage embryo with about 100 cells) with almost identical DNA to the original donor who provided the adult cell - a genetic clone. (eurostemcell.org)
  • That's why Father Pacholczyk, director of education at the National Catholic Bioethics Center in Philadelphia, said that the efforts to help people understand the immorality of embryo reserch, including human cloning, must focus on humanizing the issue and appreciating our own embryonic origins, not just on the desired results of embryonic or other types of stem-cell research. (archstl.org)
  • When the one-cell embryo duplicates its genetic material, both cells of the now two-cell embryo are genetically identical. (wptv.com)
  • But there was no way to easily know all the characteristics of the animal that would result from a cloned embryo or fetus. (wptv.com)
  • creates a cloned embryo. (nationalrighttolifenews.org)
  • A cloned embryo-like a natural embryo-is an individual organism, a member of its (in this case, human) species. (nationalrighttolifenews.org)
  • After that, the question becomes not whether to clone, but what to do with the embryo that was created through the cloning process. (nationalrighttolifenews.org)
  • Clone" and "embryo" are words to be avoided. (stanguthrie.com)
  • For instance, he wonders-just an intellectual puzzle, he assures me, that he would never want to do-What would happen if scientists injected human stem cells into a monkey embryo? (discovermagazine.com)
  • Nearly all the cells in the stalled embryo had turned into brain cells, simply because a single protein had been stopped. (discovermagazine.com)
  • Blastocyst -A preimplantation embryo of about 150 cells. (cellmedicine.com)
  • Embryonic germ cells -Cells found in a specific part of the embryo/fetus called the gonadal ridge that normally develop into mature gametes. (cellmedicine.com)
  • Embryonic stem cells -Primitive (undifferentiated) cells from the embryo that have the potential to become a wide variety of specialized cell types. (cellmedicine.com)
  • These cells give rise to the embryonic disk of the later embryo and, ultimately, the fetus. (cellmedicine.com)
  • But it is perhaps not auspicious to quote him for purposes of the scientific debates on human cloning, because Ramsey agreed with and supported the scientific myth of the "pre-embryo" 47 made famous by Jesuit Richard McCormick and frog embryologist Clifford Grobstein. (lifeissues.net)
  • Perhaps Ramsey would give other extraordinarily powerful arguments as to why human cloning is unethical, but he obviously would not be able to base it on his unscientific "pre-embryo" position. (lifeissues.net)
  • Otherwise, such a treaty would not recognize the inherent human nature of the early human embryo or fetus until after birth , and thus cloning them and using them for research - both "therapeutic" and "reproductive" -- would not be banned, and women undergoing "infertility treatments" could surely be put in danger. (lifeissues.net)
  • Again, Saunders is referring to SCNT as "THE" cloning procedure, when there are many other ways to clone a human being as well, and he is scientifically mis-defining the product of SCNT (i.e., the cloned human embryo). (lifeissues.net)
  • Cloning also entails organs and tissues production through cell implantation in cultures with the real embryo that will be born. (premiumessays.net)
  • The embryo that is used to produce stem cells has an arguable moral status. (premiumessays.net)
  • As such, when a person opts to clone their embryo in order to produce stem cells that can be used for therapeutic purposes that will prolong life, they violate one of these moral principles which entail protecting human life as a duty. (premiumessays.net)
  • However, one may also wonder whether more weight should be accorded the second principle that prohibits embryo's use in generating stem cells because it violates value and respect for the embryo which is the start of a human being. (premiumessays.net)
  • A look at natural cloning and the main artificial cloning techniques devised by man, including embryo transplant and fusion cell cloning. (twig-usa.com)
  • The resulting embryo is then implanted into a surrogate mother, resulting in the birth of an animal genetically identical to the body cell donor. (geminigenetics.com)
  • Therapeutic cloning involves the creation of an early-stage embryo (blastocyst) and the removal of stem cells from the developing embryo. (geminigenetics.com)
  • An electrical impulse is then applied to the egg cell to stimulate it to become an embryo. (geminigenetics.com)
  • Though pet cloning may be considered a relatively new technology, the process of cloning as defined above is first documented in 1885, where Hans Adolf Eduard Driesch demonstrated artificial embryo twinning on a sea-urchin. (geminigenetics.com)
  • 2. Nuclear transfer is a technique used to duplicate genetic material by creating an embryo through the transfer and fusion of a diploid cell in an enucleated female oocyte.2 Cloning has a broader meaning than nuclear transfer as it also involves gene replication and natural or induced embryo splitting (see Annex 1). (who.int)
  • To produce Dolly, the cloned blastocyst was transferred into the womb of a recipient ewe, where it developed and when born quickly became the world's most famous lamb. (eurostemcell.org)
  • In therapeutic cloning, the blastocyst is not transferred to a womb. (eurostemcell.org)
  • Instead, embryonic stem cells are isolated from the cloned blastocyst. (eurostemcell.org)
  • The blastocyst consists of a sphere made up of an outer layer of cells (the trophectoderm), a fluid-filled cavity (the blastocoel), and a cluster of cells on the interior (the inner cell mass). (cellmedicine.com)
  • Human embryonic stem cell -A type of pluripotent stem cell derived from the inner cell mass of the blastocyst. (cellmedicine.com)
  • Inner cell mass -The cluster of cells inside the blastocyst. (cellmedicine.com)
  • In SCNT they take the nucleolus out of an egg cell, replace it with the nucleolus of a somatic cell (body cell with two complete sets of chromosomes), and make the egg cell divide into a blastocyst ("What Is Cloning? (bartleby.com)
  • Cloning, or somatic cell nuclear transfer (SCNT), is the technique used to produce Dolly the sheep, the first animal to be produced as a genetic copy of another adult. (eurostemcell.org)
  • It became a hot topic in 1996 when Dolly the sheep was cloned via a process called somatic cell nuclear transfer. (archstl.org)
  • It's been 20 years since scientists in Scotland told the world about Dolly the sheep , the first mammal successfully cloned from an adult body cell. (wptv.com)
  • This has led to a lot of interest in SCNT, which is best known as the method used to pioneer whole animal cloning technology, such as Dolly the sheep. (news-medical.net)
  • He stayed on to earn his Ph.D. in molecular biology at Cambridge, training under the legendary geneticist John Gurdon, whose breakthroughs in the 1950s and 1960s were key to the experiments performed by Ian Wilmut, a Gurdon student who cloned Dolly the sheep in 1997. (discovermagazine.com)
  • The cloning of 'Dolly The Sheep' in 1996 by the Rosalind Institute in Scotland, UK, is the most recognised example of reproductive cloning. (geminigenetics.com)
  • Once the SCNT is done, the cloning is over. (nationalrighttolifenews.org)
  • The cloning is completed when the SCNT is accomplished. (nationalrighttolifenews.org)
  • Successful somatic-cell nuclear transfer (SCNT) depends on the quality, availability and maturation of the animal's unfertilized oocytes. (nature.com)
  • For SCNT, the chromosomes of the unfertilized canine oocytes were removed by micromanipulation, and a single donor cell was transferred into each enucleated oocyte. (nature.com)
  • One cloning technology that has been developed for mammalian and human cells is somatic cell nuclear transfer (SCNT). (news-medical.net)
  • SCNT is a method of cloning mammalian cells that can be used to create personalized embryonic stem cells from an adult animal or human. (news-medical.net)
  • But SCNT can also be used to clone human cells for transplant or other therapies. (news-medical.net)
  • This was the first successful reprogramming of human somatic cells into embryonic stem cells using a cloning technique, SCNT. (news-medical.net)
  • Another successful attempt at human SCNT was made using cells from two adult males. (news-medical.net)
  • The American Medical Association (AMA) defines human cloning as genetically identical organism's production through a process of somatic cell's nuclear transfer (SCNT). (premiumessays.net)
  • SCNT refers to a process that entails transferring somatic cells of an existing organism into the oocyte where the nucleus came from (National Human Genome Research Institute Para 1). (premiumessays.net)
  • Somatic cell nuclear transfer (SCNT) is a type of cloning that has to be done in a lab. (bartleby.com)
  • Another long-term hope for therapeutic cloning is that it could be used to generate cells that are genetically identical to a patient. (eurostemcell.org)
  • To date, no human embryonic stem cell lines have been derived using therapeutic cloning, so both these possibilities remain very much in the future. (eurostemcell.org)
  • The therapeutic potential of cloned human cells has been demonstrated by another study using human oocytes to reprogram adult cells of a type 1 diabetic. (news-medical.net)
  • Although attempts have not yet been made to create a therapeutic transplant from embryonic stem cells, the methods have been developed to allow the creation of functional, mature cells using human cell cloning technology. (news-medical.net)
  • This paper's main objective is to support the argument that embryo's cloning for one's self to serve as the stem cells' source for purposes of therapy should be considered morally permissible for people who want to prolong lives via this type of therapeutic option . (premiumessays.net)
  • Therapeutic cloning refers to the production of embryonic stem cells for medicinal reasons, for example regenerative medicine and tissue replacement. (geminigenetics.com)
  • 5. In 2001, France and Germany requested the United Nations General Assembly to develop international conventions on human reproductive cloning, therapeutic cloning and research on stem cells. (who.int)
  • Thus, one could know the characteristics of the animal being cloned. (wptv.com)
  • General Assembly the following year,3 and the World Medical Association's Resolution on Cloning, endorsed in 1997, have confronted the issue but lack binding legal force. (who.int)
  • WHA50.37 of 1997 argues that human cloning is ethically unacceptable and contrary to human integrity and morality. (who.int)
  • In February 1997 the cloning of a sheep sent shock waves around the globe and triggered fears of overreach by scientists. (retroreport.org)
  • Elaboration of an international convention against reproductive cloning of human beings has been under consideration in the United Nations since December 2001 when the subject was included in the agenda of the fifty- sixth session as a supplementary agenda item at the request of France and Germany. (who.int)
  • 2. Over the years, the international community has tried without success to build a consensus on an international convention against the reproductive cloning of human beings. (who.int)
  • 3. Creating awareness among ministries of health in the African Region will provide them with critical and relevant information on the reproductive cloning of human beings and its implications to the health status of the general population. (who.int)
  • 7. The WHO Regional Committee for Africa is invited to review this document for information and guidance concerning reproductive cloning of human beings. (who.int)
  • 3. Media reports on nuclear transfer are usually about one form, reproductive nuclear transfer, also known as reproductive cloning of human beings . (who.int)
  • And since they are genetically identical to the person who provided the original sample, they are technically embryonic cell clones of that person. (stanguthrie.com)
  • Differentiation -The process whereby an unspecialized early embryonic cell acquires the features of a specialized cell such as a heart, liver, or muscle cell. (cellmedicine.com)
  • These stem cells are genetically matched to the donor organism, holding promise for studying genetic disease. (eurostemcell.org)
  • Scientists were initially interested in somatic-cell nuclear transfer as a means of determining whether genes remain functional even after most of them have been switched off as the cells in a developing organism assume their specialized functions as blood cells, muscle cells, and so forth. (who.int)
  • Microenvironment -The molecules and compounds such as nutrients and growth factors in the fluid surrounding a cell in an organism or in the laboratory, which are important in determining the characteristicsof the cell. (cellmedicine.com)
  • A new organism is created by asexual reproduction using a duplicate of a single cell from the parent organism. (geminigenetics.com)
  • This is the most known form of cloning and involves creating a genetically identical replica of a whole organism. (geminigenetics.com)
  • The process of reproductive cloning involves the nucleus of a somatic (body) cell from a donor organism to be cloned being transferred into an egg cell whose nucleus (genetic material) has been removed. (geminigenetics.com)
  • A clone is an organism that is a genetic copy of an existing one. (who.int)
  • God personally created all life from the ground, dust, debunking that life came from a single cell organism in the waters. (savedandloved.com)
  • In contrast, Dolly was produced by what's called somatic cell nuclear transfer. (wptv.com)
  • By my calculations, Dolly was the single success from 277 tries at somatic cell nuclear transfer. (wptv.com)
  • Somatic-cell nuclear transfer, the technique by which Dolly was created, was first used 40 years ago in research with tadpoles and frogs. (who.int)
  • The nucleus of an adult somatic cell (such as a skin cell) is removed and transferred to an enucleated egg, which is then stimulated with electric current or chemicals to activate cell division. (who.int)
  • if it implants and the pregnancy goes to term, the resulting individual will carry the same nuclear genetic material as the donor of the adult somatic cell. (who.int)
  • Figure 1: Dog cloned by somatic-cell nuclear transfer. (nature.com)
  • A type of cloning that occurs naturally is when identical twins are born ("What Is Cloning? (bartleby.com)
  • Cloning occurs naturally in asexual reproduction in plants and animals, and in human reproduction when genetically identical twins are produced. (twig-usa.com)
  • Clones are genetically identical and occur naturally in asexual reproduction in bacteria and in plants. (twig-usa.com)
  • There are also naturally occurring clones among animal populations. (geminigenetics.com)
  • As well as their distinctive white markings and long curved horns, these cattle are special because they are now considered a herd of naturally occurring clones. (geminigenetics.com)
  • Snuppy is genetically identical to the donor Afghan hound. (nature.com)
  • By transferring adult cell DNA into an embryonic stem cell, it is possible to create a line of immortal embryonic cells that are able to develop into any type of adult cell, genetically identical to the donor. (news-medical.net)
  • Fusion cell cloning involves removing the nucleus of an egg and replacing this with a cell nucleus of a donor. (twig-usa.com)
  • Dolly was an important milestone, inspiring scientists to continue improving cloning technology as well as to pursue new concepts in stem cell research. (wptv.com)
  • Scientists have used cloning technology to transform human skin cells into embryonic stem cells, an experiment that may revive the controversy over human cloning. (nationalrighttolifenews.org)
  • The method described on Wednesday by Oregon State University scientists in the journal Cell, would not likely be able to create human clones, said Shoukhrat Mitalipov, senior scientist at the Oregon National Primate Research Center. (nationalrighttolifenews.org)
  • 1. Cloning is an umbrella term traditionally used by scientists to describe different processes for duplicating biological material. (who.int)
  • How scientists created the first clone of an adult mammal. (retroreport.org)
  • This long-sought technique may eventually let doctors create replacement cells for a wide variety of tissues from bits of a patient's own skin. (nationalrighttolifenews.org)
  • Cloning of human cells is a technology that holds the potential to cure many diseases and provide a source of exactly matched transplant tissues and organs. (news-medical.net)
  • Astrocyte -One of the large neuroglia cells of neural tissues. (cellmedicine.com)
  • Cell-based therapies -treatment in which stem cells are induced to differentiate into the specific cell type required to repair damaged or depleted adult cell populations or tissues. (cellmedicine.com)
  • Some cells differentiate to become stem cells which produce tissues and tissues develop to become organs (National Human Genome Research Institute Para 2). (premiumessays.net)
  • Numerous biological components, including genes, cells, tissues, and even complete creatures like sheep, have been cloned by researchers, and now cat, dog and equine cloning is widely and reliably available via international companies such as our partner, ViaGen Pets & Equine. (geminigenetics.com)
  • Recent studies have documented frequent evolution of clones carrying common cancer mutations in apparently normal tissues, which are implicated in cancer development1-3. (bvsalud.org)
  • However, our knowledge is still missing with regard to what additional driver events take place in what order, before one or more of these clones in normal tissues ultimately evolve to cancer. (bvsalud.org)
  • Replacing the pre-existing mammary epithelium in the following years, these clones occupied a large area within the premenopausal breast tissues by the time of cancer diagnosis. (bvsalud.org)
  • In most countries, it is illegal to attempt reproductive cloning in humans. (eurostemcell.org)
  • The Ethical Debate Concerning Cloning In the year that has elapsed since the announcement of Dolly's birth, there has been much discussion of the ethical implications of cloning humans. (bartleby.com)
  • However, the idea of cloning humans is a highly charged topic. (bartleby.com)
  • Humans and other mammals may produce natural clones, commonly referred to as identical twins. (geminigenetics.com)
  • Those fears led President Clinton to ban the use of federal funds for cloning humans. (retroreport.org)
  • Retrieved on December 04, 2023 from https://www.news-medical.net/life-sciences/Cloning-Human-Cells.aspx. (news-medical.net)
  • The stem cells could be studied in the laboratory to help researchers understand what goes wrong in diseases like these. (eurostemcell.org)
  • The endgame was never meant to be armies of genetically identical livestock: Rather, researchers continue to refine the techniques and combine them with other methods to turbocharge traditional animal breeding methods as well as gain insights into aging and disease. (wptv.com)
  • In this process, researchers remove the genetic material from an egg and replace it with the nucleus of some other body cell. (wptv.com)
  • The researchers stopped well short of creating a human clone. (nationalrighttolifenews.org)
  • US researchers have reported a breakthrough in stem cell research, describing how they have turned human skin cells into embryonic stem cells for the first time. (nationalrighttolifenews.org)
  • Asexual reproduction is a natural method used by certain plants, bacteria, and single-celled creatures to create genetically identical offspring, i.e. clones. (geminigenetics.com)
  • Although many species produce clonal offspring in this fashion, Dolly, the lamb born in 1996 at a research institute in Scotland, was the first asexually produced mammalian clone. (who.int)
  • Dolly was an exact genetic copy of that sheep - a clone. (wptv.com)
  • She lived to six and a half years, when she was eventually put down after a contagious disease spread through her flock, infecting cloned and normally reproduced sheep alike. (wptv.com)
  • The surrogate mum carries the cloned pet for the gestation period and once ready, gives birth to the clone who will be an identical genetic twin to the original pet whose skin sample was used to make the nucleus of the donor egg cell. (geminigenetics.com)
  • The Church also supports research and therapies using adult stem cells, which are cells that come from any person who has been born - including umbilical cord blood, bone marrow, skin and other organs. (archstl.org)
  • The laboratory of Rudolf Jaenisch at MIT has taken in the lead in developing therapies with this new technique in mice, demonstrating a cure for a mouse version of sickle cell anemia and alleviating the symptoms of Parkinson's disease in mice. (stanguthrie.com)
  • These cells have been sought after as potential therapies for diseases ranging from heart disease to Parkinson's to cancer. (news-medical.net)
  • They had been working for years to find a process to use clone cells in developing drugs and therapies to fight deadly diseases. (retroreport.org)
  • The subject of human cloning has been around for much of the 20th century and beyond. (archstl.org)
  • A decade later, cloning came to the forefront in Missouri with the narrow passage of Amendment 2, a ballot initiative in 2006 that constitutionally protects embryonic stem-cell research and human cloning. (archstl.org)
  • The junk biology is flying in the media's descriptions of the now accomplished human cloning. (nationalrighttolifenews.org)
  • I now see that the old dishonest game is well afoot: Biotech types and media pretending that human cloning isn't really human cloning unless a baby is born. (nationalrighttolifenews.org)
  • The team at OHSU [Oregon Health and Science University], which disclosed its work in a paper published online by Cell, created embryonic stem cells by replacing the nucleus in an unfertilized human egg with the nucleus from a skin cell, then harvesting the resulting stem cells. (nationalrighttolifenews.org)
  • To date, some 35 countries have adopted laws forbidding human cloning. (who.int)
  • In June 2006, a Japanese group led by Shinya Yamanaka reported the first successful result with mouse skin cells, and between November 2007 and January 2008, Yamanaka's group and two American groups led by James Thomson and George Daley at Harvard University all reported the successful reprogramming of human skin cells into a state that is indistinguishable from human embryonic cells. (stanguthrie.com)
  • The adult cell nuclei were transferred into metaphase-II stage human oocytes, producing a karyotypically normal diploid embryonic stem cell line from each of the adult male donor cells. (news-medical.net)
  • Ramsey's statement could thus not apply to the issue of human cloning to begin with. (lifeissues.net)
  • b) But there is a more fundamental reason why Ramsey's statement might not apply to the issue of human cloning. (lifeissues.net)
  • a) It would seem that Saunders uses the "potential" argument here quite appropriately, but it is critical that the term be understood properly in order to deflect any misunderstandings or misinterpretations - especially if the term were to be used in any U. N. treaty on human cloning. (lifeissues.net)
  • If the term "potential" were to be incorporated into a U. N. treaty on human cloning, it would be necessary to clarify its use as referring to an already existing human being/person. (lifeissues.net)
  • Should Human Cloning Be Pursued? (bartleby.com)
  • Cloning can also occur in human reproduction, when a fertilized egg cell breaks in half, resulting in identical twins. (twig-usa.com)
  • After being free from human interference and the addition of new cattle for over 1000 years, this UK Native breed are considered so genetically similar that they are in fact, genetic clones of each other. (geminigenetics.com)
  • General Assembly the adoption of a declaration on human cloning by which Member States were called upon to prohibit all forms of human cloning inasmuch as they are incompatible with human dignity and the protection of human life. (who.int)
  • WHA50.37, which states "the use of cloning for the replication of human individuals is ethically unacceptable and contrary to human integrity and morality. (who.int)
  • Are identical human twins actually fully identical? (retroreport.org)
  • Among the changes to CTCL classification were the addition of primary cutaneous acral CD8 + T-cell lymphoma as a new provisional entity. (medscape.com)
  • The term "clone", from the Greek word for twig, denotes a group of identical entities. (who.int)
  • Although the simple use of the word 'clone' may have negative connotations, many people have resigned themselves to the idea of cloning cows that produce more milk or using a cloned mouse for use in controlled experimentation. (bartleby.com)
  • Long-term self-renewal -The ability of stem cells to renew themselves by dividing into the same non-specialized cell type over long periods (many months to years) depending on the specific type of stem cell. (cellmedicine.com)
  • For example, stem cells could be generated using the nuclear transfer process described above, with the donor adult cell coming from a patient with diabetes or Alzheimer's. (eurostemcell.org)
  • 7. "[footnote 16]: The cloning procedure supplies the oocyte with a complete set of chromosomes, all of which are contained in the nucleus which is transferred into the denucleated oocyte. (lifeissues.net)
  • Here we describe the cloning of two Afghan hounds by nuclear transfer from adult skin cells into oocytes that had matured in vivo . (nature.com)
  • Thus, the clone would be genetically identical to the nucleus donor only if the egg came from the same donor or from her maternal line. (who.int)
  • Is Dolly an exact clone of the nucleus donor? (retroreport.org)
  • Cell culture -Growth of cells in vitro on an artificial medium for experimental research. (cellmedicine.com)
  • Artificial cloning techniques include: embryonic cloning and fusion cell cloning. (twig-usa.com)
  • Dolly was the culmination of hundreds of cloning experiments that, for example, showed diploid embryonic and fetal cells could be parents of offspring. (wptv.com)
  • Baby Groot is therefore a perfect genetic clone of Big Groot. (ladbible.com)
  • Hematopoietic stem cell -A stem cell from which all red and white blood cells develop. (cellmedicine.com)
  • Paroxysmal nocturnal hemoglobinuria (PNH) was previously classified as purely an acquired hemolytic anemia due to a hematopoietic stem cell mutation defect. (medscape.com)
  • Most type II PNH cells (total lack of GPI-linked protein) are due to a frame shift mutation occurring in the early hematopoietic progenitor cells, resulting in same mutation in all blood cell lines. (medscape.com)
  • In Dolly's case, the cell came from the mammary gland of an adult ewe. (eurostemcell.org)
  • What was special about Dolly is that her "parents" were actually a single cell originating from mammary tissue of an adult ewe. (wptv.com)
  • When the cloning process is used in this way, to produce a living duplicate of an existing animal, it is commonly called reproductive cloning. (eurostemcell.org)
  • The fact that the DNA of a fully differentiated (adult) cell could be stimulated to revert to a condition comparable to that of a newly fertilized egg and to repeat the process of embryonic development demonstrates that all the genes in differentiated cells retain their functional capacity, although only a few are active. (who.int)
  • This continuous process allows a population of cells to increase in number or maintain its numbers. (cellmedicine.com)
  • This process allows people to clone living things of any sort. (bartleby.com)
  • Pet cloning is the process where a genetically identical twin is created of your original animal companion. (geminigenetics.com)
  • the cloning process was far more complicated than was widely understood. (retroreport.org)
  • In this procedure, the nucleus of an egg cell is removed and replaced by the nucleus of a cell from another adult. (eurostemcell.org)
  • As such, cloning refers to a procedure via which the production of a baby with a genetic factor that is identical to that of the parents occurs. (premiumessays.net)
  • These germ cells are the only ones in the body that have their genetic material all jumbled up and in half the quantity of every other kind of cell. (wptv.com)
  • Identical results had been extracted from homozygous Compact disc3? (tech-strategy.org)
  • Cells are fundamentally defined not by where they come from, but by their program of gene activity. (stanguthrie.com)
  • On e of the wardens protecting these animals in Chillingham Cattle Park, Denene Crossley, states how "being isolated, they've managed to essentially purify their gene pool, to the point where they're natural clones of each other. (geminigenetics.com)
  • Molecular cloning refers to the production of multiple copies of a DNA fragment or gene. (geminigenetics.com)
  • Gene cloning refers to the identification and duplication of a single gene or a DNA segment, for the intention of investigating its function or creating a particular protein. (geminigenetics.com)
  • Adult stem cell -An undifferentiated cell found in a differentiated tissue that can renew itself and (with certain limitations) differentiate to yield all the specialized cell types of the tissue from which it originated. (cellmedicine.com)
  • Why was it more challenging to clone mammals than it was to clone a frog? (retroreport.org)
  • In sexual reproduction, clones are created when a fertilized egg splits to produce identical (monozygous) twins with identical genomes. (who.int)
  • The word "cloning" refers to a variety of procedures that may be used to create biological copies that are genetically identical to the original. (geminigenetics.com)
  • After being inserted into the egg, the adult cell nucleus is reprogrammed by the host cell. (eurostemcell.org)
  • The cloning method is based on the fact that cytoplasmic factors in mature, metaphase II oocytes are able to reset the identity of a transplanted adult cell nucleus to an embryonic state. (news-medical.net)