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The Creation of Human Embryonic Stem Cells by Cloning

Stem cell research lies at the cutting edge of advanced biology. But with the creation of human embryonic stem cells from adult tissues the game may have taken a different turn. The possibility of cloning human babies has become a part of reality.

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The Creation of Human Embryonic Stem Cells by Cloning
 
 

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The Creation of Human Embryonic Stem Cells by Cloning

The Creation of Human Embryonic Stem Cells by Cloning

Science makes the impossible possible. Researchers have employed the technique that led to the creation of Dolly the sheep to create embryonic stem cells. These in turn can be used to make any organs of the body via a complicated process of growth. A US-led team overcame some hurdles which had been faced up until now and created samples of master cells from cloned skin cells. While still in its nascent stages, this discovery could spell the difference between thinking and doing.

Stem cell research has always been a controversial topic since it requires female eggs as well as the creation and destruction of embryos for its basic materials of construction. According to the BBC News, the regeneration and replacement of damaged organs is the basic yield of this procedure. People with damaged hearts or cirrhosis of the liver can gain new organs thanks to stem cell cloning

Thus diseases that millions of people around the world are currently suffering from may be eliminated effectively via this biological technology. Back in 1996 when Dolly the Sheep was cloned it was already a bygone conclusion that this process was impossible in human beings. But they are not so sure of this today.

In case of Dolly, the cloned egg cell was set multiplying by a mild electric shock. But this had not worked in case of humans. Today the scientists have used caffeine as a solution to the premature development of the cloned embryonic cell.  Therapeutic cloning is just a beginning. Who knows where it may lead mankind?

There are those who warn of the dire consequences of this act of “playing God”. They say that by taking over what was Nature’s role in human affairs we are courting disaster on a massive level. Any benefits the process may have are outweighed by the drawbacks in the form of messing with Mother Nature’s sound wisdom.

An example would be a Caesarian Section. While commendable in all its life-saving capabilities, many scientists point out that a normal birth is the method Nature intended for a baby to come out of its mother’s womb. When you force a birth by operating on the mother you automatically traumatize the baby so that he or she will bear the scars for the rest of his or her life. This is a prime example of science overplaying its role in human matters. Stem cell cloning too carries its dangers and so scientists have to be vey careful unless they upset the balance of life.

Image Credit: Getty Images

 

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Dynamic culture of a thermosensitive collagen hydrogel improves tissue-engineered peripheral nerve

Source: Nanowerk Nanotechnology Spotlight

In a new study, a thermosensitive collagen hydrogel remained as a liquid when kept at temperatures below 10C and gelled when the temperature was increased to 37C in an incubator for 30 minutes, which was used as an extracellular matrix and combined with bone marrow mesenchymal stem cells to construct tissue-engineered peripheral nerve compo ...
Source: Nanowerk Nanotechnology Spotlight   Full article at: Nanowerk Nanotechnology Spotlight 1 week ago, 7:35am CDT
 


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Researchers gain rare insight into pregnancy-associated breast cancer

Source: News-Medical.net

During pregnancy, certain hormones trigger specialized mammary stem cells to create milk-producing cells essential to lactati ...
Source: News-Medical.net   Full article at: News-Medical.net Aug 13 2014, 2:01am CDT
 

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Gene editing: CRISPR corrects β-thalassaemia

Source: Nature

A common genetic blood disorder has been corrected in cultured stem cells by using a cutting-edge genome-editing technique.The disorder β-thalassaemia is characterized by reduced levels of haemoglobin due to mutations in the gene for β-globin (HBB). Yuet Kan and his colleagues ...
Source: Nature   Full article at: Nature Aug 13 2014, 12:00am CDT
 

Update: 2

UCSD mouse study looks at how breast cancer usurps the powers of mammary stem cells

Source: National Cancer Institute

Scientists at the University of California, San Diego School of Medicine and Moores Cancer Center have found that mammary stem cells associated with the pregnant mammary gland are r ...
Source: National Cancer Institute   Full article at: National Cancer Institute Aug 12 2014, 12:00am CDT
 

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Replication stress is a potent driver of functional decline in ageing haematopoietic stem cells

Source: Nature

Haematopoietic stem cells (HSCs) self-renew for life, thereby making them one of the few blood cells that truly age. Paradoxically, although HSCs numerically expand with age, their functional activity declines over time, resulting in degraded blood production and impaired engraftment following transplantation. While many drivers of HSC ageing have been proposed, the reason why HSC function degrades with age remains unknown. H ...
Source: Nature   Full article at: Nature Jul 30 2014, 12:00am CDT
 

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<a href="/latest_stories/all/all/20" rel="author">Sumayah Aamir</a>
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