Produce cloned human cell stem cell by cloning clone cells. Medical search. Frequent questions

Dr Hwang, 52, gained worldwide fame after producing the world's first cloned human embryos and stem cells tailored to be used on individuals. (bbc.co.uk)
Human cloning science offers the possibility that stem cells harvested from cloned embryos could be used to treat diseases like Parkinson's, diabetes and heart disease. (bbc.co.uk)
However, opponents argue that creating and experimenting with human embryos is unethical. (bbc.co.uk)
There are no international laws governing the use of cells and embryos, but scientists said a tough regulatory climate - like that in force in the UK - could prevent such abuses or misunderstandings. (bbc.co.uk)
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)
At the same time, labs in a variety of countries have successfully cloned human embryos for the purpose of producing stem cells that can be used in medical therapies. (pewresearch.org)
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)
And now Washington joins the infamous list with Senate Bill 5594, a thoroughly disingenuous piece of legislation that purports to outlaw the cloning of human beings, but by manipulating language and redefining terms, actually permits human cloning and gestation of the resulting cloned embryos through the ninth month. (cbc-network.org)
A year before Dolly, he successfully cloned two lambs (Megan and Morag) whose cells were taken from sheep embryos. (yahoo.com)
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 stem cells suits human needs, does not cause harm and can be obtained from both adult and fetal does not conflict with religious beliefs, it has tissues, umbilical cord and early embryos. (who.int)
Unicellular for those cells that are derived from human organisms are primed to replicate (clone) pre-embryos, which seem to have a high themselves by nature. (who.int)

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)
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)
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)
Dolly, a Finn Dorset sheep, was introduced to the public in 1997 after scientists at the Roslin Institute at the University of Edinburgh in Scotland implanted the cell nucleus from a sheep into an egg that was subsequently fertilized to create a clone. (pewresearch.org)
1 No one has ever cloned a human being , though scientists have cloned animals other than Dolly , including dogs, pigs, cows, horses and cats. (pewresearch.org)
Still, a majority of adults (60%) say cloning animals like Dolly is morally wrong, compared with 34% who say it's morally acceptable. (pewresearch.org)
It became a hot topic in 1996 when Dolly the sheep was cloned via a process called somatic cell nuclear transfer. (archstl.org)
The resulting egg was implanted in the womb of a third sheep, and the result was Dolly, the first clone of a mammal. (usf.edu)
Dolly, the first mammal to be genetically cloned from adult cells, poses for the camera in 1997 at the Roslin Institute in Edinburgh, Scotland. (usf.edu)
Sir Ian Wilmut, the scientist who led the team that cloned Dolly the sheep in 1996, has died at 79. (yahoo.com)
Dolly was the first successful cloning of a mammal from an adult somatic cell, demonstrating the viability of somatic cell nuclear transfer (SCNT). (yahoo.com)
While Dolly proved that cells could be used to create a copy of the animal they came from, Wilmut's next experiment proved that they could also be altered. (yahoo.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)
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)
However, his results and improved methods inspired researchers at The Roslin Institute to use nuclear transfer to clone sheep and produce Dolly the Sheep, the first animal to be cloned from an adult cell. (ed.ac.uk)
Together, Gurdon's and the Dolly team's successes introduced the concept of reprogramming the DNA of specialized cells to be able to make new organisms or new stem cells. (ed.ac.uk)
In the now-famous "Dolly" experiments, cells from a sheep (donor cells) were fused with unfertilized sheep eggs from another sheep (recipient cells) from which the natural genetic material was removed by microsurgery. (msdmanuals.com)
As expected, Dolly was an exact genetic copy of the original sheep from which the donor cells were taken, not of the sheep that provided the eggs. (msdmanuals.com)

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)
In therapeutic cloning, the blastocyst is not transferred to a womb. (eurostemcell.org)
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)
If the cloned human organism is to be experimented upon and destroyed, the process is often called "therapeutic cloning. (cbc-network.org)
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)
In particular, scientific developments in areas such as iPS cells open new possibilities of research and, at mid term, of therapeutic applications, but they also bring new ethical challenges and problems requiring further reflection and debate. (lifeissues.net)
This led to the development of therapeutic cloning as a source for genetically matching replacement cells for patients with degenerative diseases. (ed.ac.uk)
However, therapeutic cloning depends on the availability of human eggs, which are in very limited supply. (ed.ac.uk)
Therapeutic cloning possesses enormous potential for revolutionizing medical and thera- peutic techniques. (who.int)
This is therapeutic cloning. (who.int)
This cell then has therapeutic cloning: the global the capacity to divide and grow into an exact replica of the original from whom the debate somatic cell was taken. (who.int)

That is what New Jersey legislators did when they passed and then Governor James McGreevey signed S-1909 last year, a law that was sold to the public as outlawing human cloning but which actually permits the creation of cloned human life, and its implantation and gestation up to and including the very moment prior to the emergence of the cloned baby from the birth canal. (cbc-network.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)
And the MSM (mainstream media), who remain desperately committed to push embryonic stem cell research despite its failures, dangers, and immoral foundations, may soon be reeling at the fall of one of their heroes. (blogspot.com)
embryonic stem cell research has not had a good year. (blogspot.com)

In 2013, scientists reported a successful SCNT procedure by modifying the protocol for specific human oocyte biology. (news-medical.net)
1. Cloning is an umbrella term traditionally used by scientists to describe different processes for duplicating biological material. (who.int)
Eighteen years ago, scientists in Scotland took the nuclear DNA from the cell of an adult sheep and put it into another sheep's egg cell that had been emptied of its own nucleus. (usf.edu)
So ideally scientists would like to be able to extract DNA from the cells of older people - not just cells from infants - to create therapies for adult diseases. (usf.edu)
In the 18 years since researchers cloned a sheep, scientists have found another way to produce cloned human cell lines. (usf.edu)
In principle, scientists could produce a series of cell lines that would allow a close match for the majority of would-be cell recipients - just as transplant surgeons currently seek a close match for organ donors. (usf.edu)
Scientists cloned another Jersey calf using the same "standard cell-culturing techniques as compared to the method most commonly u. (echeat.com)
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)
The con- is removed and replaced by a nucleus of cept of human cloning has long been in the another cell type, the stem cell will then imagination of many scientists, scholars and be reprogrammed to produce the product fiction writers [ 1 ]. (who.int)

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 primary cloning technique is called "somatic cell nuclear transfer" (SCNT). (cbc-network.org)
If the authors of this bill really meant what they appear to have written, their legislation would ban all human cloning, since as we have seen, biologically, a new human organism, that is, a new human being, comes into existence with the completion of SCNT. (cbc-network.org)
This is junk biology since implanting isn't the act of asexual reproduction: SCNT cloning is. (cbc-network.org)
Somatic cell nuclear transfer (SCNT) is a type of cloning that has to be done in a lab. (bartleby.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)

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)
Instead, embryonic stem cells are isolated from the cloned blastocyst. (eurostemcell.org)

A Korean institute Wednesday, Dec. 27, said that its DNA tests proved Prof. Hwang Woo-suk at Seoul National University (SNU) had successfully cloned a dog. (blogspot.com)
Dolly's successful birth in 1996 marked the first time a mammal was successfully cloned from an adult cell. (yahoo.com)
Last year, Hwang's team said it successfully cloned a human embryo from embryonic stem cells. (blogspot.com)
However, Korean television station MBC has conducted interviews with an unnamed member of Hwang's research team who says the cells were never cloned successfully. (blogspot.com)
In 2006, Shinya Yamanaka and Kazutoshi Takahashi successfully reprogrammed specialised cells into induced pluripotent (iPS) cells. (ed.ac.uk)

These stem cells are genetically matched to the donor organism, holding promise for studying genetic disease. (eurostemcell.org)
The National Institutes of Health defines a human embryo as "the developing organism from the time of fertilization until the end of the eighth week of gestation. (archstl.org)
At that point - and this is important to understand - there is no more cloning to be done since a new human organism now exists. (cbc-network.org)
Or to put it the other way around, cloning, not implantation, is what produces a new and distinct human organism. (cbc-network.org)
A clone is an organism that is a genetic copy of an existing one. (who.int)
XI - embryonic stem cells: embryonic cells that are capable of modifying the cells of any organism tissue. (hinxtongroup.org)
… "embryo" means a human organism during the first 56 days of its development following fertilization or creation, excluding any time during which its development has been suspended, and includes any cell derived from such an organism that is used for the purpose of creating a human being. (hinxtongroup.org)
Reproductive cloning is performed with the express intent of creating another organism. (echeat.com)
This observation led to the belief that the DNA in specialised cells was 'fixed' and could not be used to produce a new organism. (ed.ac.uk)
However, cloning need not only be used to create a whole organism. (msdmanuals.com)
Whether a cell used for a clone produces a specific type of tissue, a specific organ, or an entire organism depends on the potential of the cell-that is, how highly the cell has developed into a particular type of tissue. (msdmanuals.com)
For example, certain cells called stem cells have the potential to produce a wide variety of tissue types or even possibly an entire organism. (msdmanuals.com)

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)
These cells have been sought after as potential therapies for diseases ranging from heart disease to Parkinson's to cancer. (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)
Father Tad Pacholczyk is convinced that embryonic stem cells will someday cure diseases. (archstl.org)
While stem-cell research holds enormous potential for treating or even curing some diseases, the cloning of a human being is morally and ethically unacceptable…Any attempt to clone a human being is in direct conflict with the public policies of this state. (cbc-network.org)
Dolly's birth set off a huge outpouring of ethical concern - along with hope that the same techniques, applied to human cells, could be used to treat myriad diseases. (usf.edu)
He strived to create modified sheep that would produce milk with proteins that could treat human diseases. (yahoo.com)
The use of various types of stem cells for research purposes to make disease "models" in the lab for regenerative medicine and for "therapies" to cure sick patients for diseases is constantly in the news. (lifeissues.net)

The second way to reproduce is a strictly human invention - known as "asexual" reproduction - or more commonly, cloning. (cbc-network.org)
Cloning of a human being" means asexual reproduction by implanting or attempting to implant the product of nuclear transplantation [e.g., an embryo] into a uterus or substitute for a uterus with the purpose of producing a human being. (cbc-network.org)

WHA50.37 of 1997 argues that human cloning is ethically unacceptable and contrary to human integrity and morality. (who.int)
Polly, born in 1997, was the first genetically modified cloned mammal. (yahoo.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)

Twenty years ago today, the world's first clone made from the cells of an adult mammal made her public debut. (pewresearch.org)

There are now two ways to create new mammalian life, including humans. (cbc-network.org)

A cloning pioneer regarded as a hero in his South Korean homeland has resigned and apologised for using human eggs from his own researchers. (bbc.co.uk)
Researchers have determined that several steps in the protocol were critical for human cellular reprogramming. (news-medical.net)
In a 2013 Pew Research Center poll , half of all adults surveyed (50%) said that by 2050 researchers will be able to use cloning to bring back extinct species, with 48% predicting such a development won't occur. (pewresearch.org)
hero" is the right word for how Hwang Woo-suk is revered by the media -- and by a large section of the Korean public who have bought into the false promises of embryonic stem cell and cloning researchers. (blogspot.com)
A Korean television station whose investigative report was the nail in the coffin that prompted human cloning scientist Hwang Woo-suk to admit he lied about egg donations his researchers made says he may have lied about the results of his research as well. (blogspot.com)

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)
In this fashion, mice or other laboratory animals that exhibit particular traits can be created for specialized studies, or herds of farm animals (such as goats, sheep or cows) can be created that produce pharmaceutically useful proteins in their milk. (who.int)

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)
Those were spindle removal, donor cell fusion, and cytoplast activation. (news-medical.net)
The mitochondrial DNA of the stem cells, however, matched the donor egg's mitochondrial DNA. (news-medical.net)
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)
The resulting cells were pluripotent and could be differentiated into insulin-producing beta cells to restore the function of the pancreas in the donor. (news-medical.net)
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)
The nucleus of a body cell from the DNA donor is removed, and put into the place formerly occupied by the egg's nucleus. (cbc-network.org)
HumanPass Wednesday confirmed fingerprinting traces of Snuppy, Hwang's canine clone, matched those of its somatic cell donor, an Afghan hound named Tai, while they demonstrated disparate mitochondrial genotypes. (blogspot.com)
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)
However, an animal created through this technique would not be a precise genetic copy of the source of its nuclear DNA because each clone derives a small amount of its DNA from the mitochondria of the egg (which lie outside the nucleus) rather than from the donor of cell nucleus. (who.int)
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)
Then the genetic material from the donor cells was transferred into the unfertilized eggs. (msdmanuals.com)

It is the policy of Washington state that research involving the derivation and use of human embryonic stem cells, human embryonic germ cells, and human adult stem cells from any source, including somatic cell nuclear transplantation , is permitted upon full consideration of the ethical and medical implications of this research. (cbc-network.org)
This paper outlines the debates prompted through a reproduction mechanism involv- by progress in cloning research, with special ing male and female germ cells. (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)
And the other technique, which produces " induced pluripotent stem cells ," skips the step that requires a human egg cell, so some people find it less fraught, ethically. (usf.edu)

A type of cloning that occurs naturally is when identical twins are born ("What Is Cloning? (bartleby.com)
it will naturally not be long before we actively clone people as complete entities. (echeat.com)

Beyond this scientific interest, the commercial concern in animal cloning focuses on replicating large numbers of genetically identical animals, especially those derived from a progenitor that has been modified genetically. (who.int)
A clone is a group of genetically identical cells or organisms derived from a single cell or individual. (msdmanuals.com)

He'd like to see a library of cells created with those carefully chosen genes. (usf.edu)
His team spliced the host's genes with a human gene to create a sheep that would produce a protein missing from people with hemophilia. (yahoo.com)
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)
Gene Therapy Although gene therapy is defined as any treatment that changes gene function, it is often thought of as the insertion of normal genes into the cells of a person who lacks such normal genes because. (msdmanuals.com)
Genes and Chromosomes Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body or the code for functional ribonucleic. (msdmanuals.com)

Dolly's debut set off a firestorm about both the practical value and ethics of cloning, including the possibility of human cloning. (pewresearch.org)
A third view says that cloning will provide for the possibility of improvement by giving birth to children who are free of birth defects, because when any two people create a child through sex there is the possibility for genetic defects. (bartleby.com)
Gurdon's results surprised the scientific community and stirred talk of the possibility of cloning other animals, including humans. (ed.ac.uk)

The use of the technique of nuclear transfer for reproduction of human beings is surrounded by strong ethical concerns and controversies and is considered a threat to human dignity. (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)
more to this argument to quote Scripture that indicates Gods commandments that human beings venerate life. (echeat.com)
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)

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)
In this procedure, the nucleus of an egg cell is removed and replaced by the nucleus of a cell from another adult. (eurostemcell.org)
After being inserted into the egg, the adult cell nucleus is reprogrammed by the host cell. (eurostemcell.org)
In the case of asexually creating a human, the biotechnologist removes the nucleus from a mature human egg (an oocyte). (cbc-network.org)
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)
When the nucleus of a stem cell has been the technique of cloning. (who.int)
The basic techniques of of the implanted nucleus, when it fully cloning have been known for some time, and develops. (who.int)

It also means that finally getting the sheep technology to work with cells from adult humans may not turn out to be a turning point for this technology, after all. (usf.edu)
Specifically, many wondered: If they're doing sheep now, how long until they clone humans? (yahoo.com)
However, such simple techniques do not work with higher animals, such as sheep or humans. (msdmanuals.com)

The term applies not only to entire organisms but also to copies of molecules (such as DNA) and cells. (who.int)

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)
un tel dialogue prendra en considération non seulement les bienfaits scientifiques mais également les implications morales, éthiques et juridiques. (who.int)

Wilmut moved to the University of Edinburgh the following decade, focusing on using cloning to make stem cells for regenerative medicine. (yahoo.com)
According to MBC, the scientist "maintains that Hwang's team fabricated data because in reality it failed to clone a somatic cell and instead used a frozen embryo from the hospital to make stem cells. (blogspot.com)

As a result, the need to be able to directly reprogram adult cells developed. (ed.ac.uk)

Dr Hwang's breakthrough was seen as particularly important as the stem cells he created were a perfect match for the patient, which could mean treatments without the risk of the body rejecting them. (bbc.co.uk)
South Korea's health ministry also admitted that other women were paid thousands of dollars for their eggs, though this took place without Dr Hwang's knowledge and before a new law outlawed trading in human eggs. (bbc.co.uk)
Park Se-pill, head of Seoul-based fertility clinic Maria Biotech, said the tests can silence Hwang's critics who have suggested the dog might be a twin created from a split embryo rather than a clone. (blogspot.com)
After an investigative panel at SNU found last week that Hwang's team fabricated data for his purported exploit of making 11 tailor-made stem cells, his other works such as Snuppy were all cast under suspicion. (blogspot.com)
Only two of Hwang's 11 claimed stem-cell lines existed when he submitted his 2005 paper to the journal, Science, the university said on Dec. 23. (blogspot.com)
The stem cells in storage at Hwang's laboratories at the university were all derived from the fertility clinic MizMedi's blastocysts, which were generated by in vitro fertilization . (blogspot.com)
Hwang's stem cells should have been found to be nuclear transferred embryonic stem cells from patients' skin cells. (blogspot.com)

This mouse egg (top) is being injected with genetic material from an adult cell to ultimately create an embryo - and, eventually, embryonic stem cells. (usf.edu)

But what is not getting such wide reporting is the use of pluripotent stem cells (as well as many other types of cells and genetic engineering techniques) for reproductive purposes . (lifeissues.net)

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)

2 Eight-in-ten American adults (81%) say cloning a human being is not morally acceptable, according to a May 2016 Gallup poll . (pewresearch.org)
Just 13% of adults in 2016 say cloning is morally acceptable. (pewresearch.org)

Snuppy was cast under suspicion following revelations that the Korean scientist had fabricated his stem cell research. (blogspot.com)
This is an indisputable piece of evidence that Snuppy is a clone. (blogspot.com)
Prof. Kong Il-keun at Suncheon University who cloned six cats last summer concurs with Park but the embryologist expressed his regret since Hwang asked for the tests while the SNU team is reviewing the authenticity of Snuppy. (blogspot.com)

Earlier this month Gerald Schatten, a prominent American colleague of Dr Hwang, broke off their collaboration saying he was concerned by the way the group procured human eggs. (bbc.co.uk)
The research conducted by his team requires large numbers of human eggs, which are difficult to obtain. (bbc.co.uk)
Writing in the journal Cell Stem Cell , they say they started with nuclear DNA extracted from the skin cells of a middle-age man and injected it into human eggs donated by four women. (usf.edu)
Briggs and King were the first to perform cloning by nuclear transfer using eggs and cells from the Northern Leopard Frog, Rana pipiens . (ed.ac.uk)

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)
In four pages the sociobiological aspects of cloning are examined in a consideration of Social Darwinism, disease replication, r. (echeat.com)
However, it appears that the ability of the In its simplest form, cloning is defined stem cells to transform is limited, except as the exact replication of cells. (who.int)

Dec. 29, 2005 -- South Korean laboratories used by scientist Hwang Woo Suk no longer have any stem cells created from patients' tissues, the result of the researcher's landmark May 2005 paper, the Seoul National University said. (blogspot.com)
South Korean professor and cloning pioneer Hwang Woo-suk, is in yet more trouble. (blogspot.com)

Common myths about immoral clones and a world full of exact duplicates are refuted in this paper, which argues in favor of continu. (echeat.com)

The right to have children is understood in very different ways and people's ethics and values are put to the test each and everyday when they find out they not only must take care of themselves but the lives of another human being. (bartleby.com)

Professor Hwang Woo-suk was chairman of the World Stem Cell Hub, which opened this month, based in Seoul. (bbc.co.uk)
With this, Hwang demonstrated his team's technical prowess in cloning. (blogspot.com)
The university has been conducting a probe on Hwang and his research since Dec. 16, including genetic tests on stem cells being stored at the laboratories. (blogspot.com)

Several authors have attempted to outline some of the ethical objections to cloning while at the same time minimizing the role religion plays in this debate. (bartleby.com)
This technique is surrounded by strong ethical concerns and is considered a threat to human dignity. (who.int)
Cloning technology, however, is perceived as having the potential for reproductive cloning, which raises serious ethical and moral concerns. (who.int)

It is quite possible that the advances in human biology in the remainder of the twentieth century will be remembered as the most significant scientific achievement of the animal species known as Homo sapiens . (lifeissues.net)
One of the greatest controversies triggered tissue, a stem cell encoding for heart tissue by the rapid pace of evolution in biology, will eventually develop into heart tissue particularly in genomics and biotechnology, and so on. (who.int)

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)

Each of those two cells is able to divide indefinitely, "so from a small vial of those cells we could grow up as many cells as we would ever want," Lanza says. (usf.edu)

Gurdon used the technique of nuclear transfer to remove the DNA from a tadpole's intestinal cell and place it into an egg cell. (ed.ac.uk)

The term "clone", from the Greek word for twig, denotes a group of identical entities. (who.int)
In sexual reproduction, clones are created when a fertilized egg splits to produce identical (monozygous) twins with identical genomes. (who.int)

Retrieved on December 04, 2023 from https://www.news-medical.net/life-sciences/Cloning-Human-Cells.aspx. (news-medical.net)

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)

If it is to be brought to birth, the process is usually called "reproductive cloning. (cbc-network.org)
This process allows people to clone living things of any sort. (bartleby.com)
The process has been difficult to do with human cells. (usf.edu)
They repeated the process - this time starting with the genetic material extracted from the skin cells of a much older man. (usf.edu)
What we show for the first time is that you can actually take skin cells, from a middle-aged 35-year-old male, but also from an elderly, 75-year-old male" and use the DNA from those cells in this cloning process, Lanza says. (usf.edu)
Cellular cloning refers to a process in which "copies of a cell ar. (echeat.com)
The experiment by Robert Briggs and Thomas King suggested that the development of specialised cells was a one-way process that begins in the early stages of an embryo's development. (ed.ac.uk)

In Dolly's case, the cell came from the mammary gland of an adult ewe. (eurostemcell.org)

The professor said he was resigning from all public posts, including his chairmanship of the World Stem Cell Hub, which is designed to produce stem cell lines for disease research worldwide. (bbc.co.uk)
What is cloning, and what does it have to do with stem cell research? (eurostemcell.org)
This form of cloning is unrelated to stem cell research. (eurostemcell.org)
In a 2010 Pew Research Center survey , 48% of adults said that a human being would definitely or probably be cloned by 2050, compared with 49% who said such an event would not happen. (pewresearch.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)
The bill purports to promote stem-cell research, while outlawing the cloning of a human being. (cbc-network.org)
It brightens the prospects that his team retains the source technologies for stem cell research," Park said. (blogspot.com)
``The patient-matching stem cells no longer exist,'' Roe Jung Hye, dean of research of affairs at the university, said in an e-mailed statement. (blogspot.com)
In other words, the author relates legislation that allows for human cloning to take place in a research realm, as long as no clon. (echeat.com)
increased public sensitivity and awareness together with the development of national regulations of governance of human cloning and embryo research in general. (lifeissues.net)
An in-depth analysis aiming at re-defining this terminology according to the new developments in human embryo research would be highly beneficial . (lifeissues.net)
3. National regulations of governance of human cloning and embryo research in general adopted so far confirm the convergence of views of the refusal to adopt legislation or guidelines permitting reproductive cloning , while they still show variations on the legitimacy of human cloning carried out as part of research agendas. (lifeissues.net)

4 The public is divided about the prospect of using cloning to bring back to life species of animals that are currently extinct , such as the carrier pigeon or even the woolly mammoth. (pewresearch.org)
5 Fewer Americans are concerned with cloning animals than with the prospect of cloning humans , according to the same 2016 Gallup survey . (pewresearch.org)
Studies suggest that cloned higher animals (and thus humans) are more likely to have serious or fatal genetic defects than normally conceived offspring. (msdmanuals.com)

Creating a human by cloning is widely seen as unethical, is illegal in many countries, and is technically difficult. (msdmanuals.com)

The concept of cloning only came to the forefront of public attention approximately thirty years ago. (echeat.com)

It defines the term "cloning of a human being" inaccurately. (cbc-network.org)

Anatomy47

Organisms16

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Chemicals and Drugs53

Analytical, Diagnostic and Therapeutic Techniques and Equipment58

Phenomena and Processes77

Disciplines and Occupations4

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Creation of cloned human1

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19973

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