Navigation Links
A need for new stem cell lines

According to researchers, existing stem cell lines could accrue genetic abnormalities over time and new stem cell lines will likely be needed. Dr. Burt Vogels, chairman of a key stem cell research committee of the National Research Council and Institute of Medicine said that every time a cell divide in a tissue culture it accumulates mutations. In aggregate those mutations may cause certain problems too.

Stem cells are unspecialized cells that can become any cell type with// specialized functions. They can be gleaned from several sources, such as placenta, umbilical cords and adult cells, but scientists say those derived from human embryos are most useful for therapeutic and research applications. If implanted in a patient, they could grow cells afresh, offering cures for intractable diseases like Parkinson's disease, Alzheimer's and diabetes.

One issues is that many of the existing lines were "cultured with animal cells and serum" creating the fear that pathogens in mice or cows could be transmitted to humans if the stem cells are used for therapeutic applications.

Another problem is that patient's immune system may attack the newly introduced stem cells. One way of sidestepping the problem is through a process known as somatic cell nuclear transfer or SCNT. That procedure, also known as therapeutic cloning, involves taking DNA from a cell belonging to a patient and inserting it into an egg whose nucleus has been removed. When the cell divides, it produces stem cells that can be put in the patient without causing an immune response.

But some lawmakers would like to see so-called therapeutic cloning -- which, unlike reproductive cloning, will never result in a birth -- outlawed. A proposed measure, would outlaw the act of therapeutically cloning a human embryo. It would also ban the importation of products derived from therapeutic cloning.

Vogels said such a ban could mean that regenerative medical application s will never occur and people with terrible diseases won't be healed. He also said that since much biomedical research is international, it's likely most useful lines and reagents will be developed outside the U.S..Therefore, a ban on importation would also curtail important research.


'"/>




Related medicine news :

1. New CPR Guidelines issued by Heart Association
2. Teen smoking declines
3. Risk of heart diseases due to loneliness
4. Cleanliness might lead to Asthma
5. New Guidelines Found To Benefit Cardiovascular Treatment
6. New guidelines for dealing with post traumatic stress disorder
7. Childhood leukemia linked to residence close to high voltage power lines
8. Obesity And Expanding Waistlines the next Epidemic in USA
9. Healthy Feeding Guidelines for Children Ages 0 to 24 Months Issued
10. Fragile X-Associated Tremor /Ataxia Syndrome Need Guidelines For Diagnostic Tests
11. Government Organisation Proposes Strict Guidelines For SubStandard Medical Devices
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/28/2017)... ... April 28, 2017 , ... Rob Lowe is a popular actor that ... his presence to an educational purpose as the host of the “Informed” series. The ... In a recent episode, the series focuses on thyroid cancer. , Although thyroid cancer ...
(Date:4/27/2017)... ... April 27, 2017 , ... ... in Incentives, Rewards, and Recognition: A Nudge Guide," a groundbreaking analysis of how ... Offering practical takeaways to apply immediately to IRR programs, the report highlights proven ...
(Date:4/27/2017)... ... April 27, 2017 , ... Last night, ... CAREGiverSM of the Year for her extraordinary compassion and lifelong dedication to serve ... American professional caregivers for the prestigious award each year – identifying a CAREGiver ...
(Date:4/27/2017)... ... 2017 , ... Are you investing in the safety of your friends and ... the summer. While most of us assume this type of accident will never happen ... people are taking the time to learn how to respond effectively or prevent these ...
(Date:4/26/2017)... ... ... Journal of Oral Implantology – Tooth loss is not simply an ... complications with speech, eating, and overcompensation of mouth due to the deficiency. To combat ... number of tooth replacements increase, it is imperative to design an implant that will ...
Breaking Medicine News(10 mins):
(Date:4/19/2017)... YORK , April 19, 2017 The Mobile ... to showcase a healthy CAGR during the forecast period ... type in the global digital mobile X-Ray devices market, which ... Mn in 2017, expanding at a CAGR of 7% over ... absolute $ opportunity of more than US$ 100 Mn in ...
(Date:4/19/2017)... DALLAS , April 19, 2017  Vanderbilt ... the first patients in Nashville , ... the Lower Esophageal Sphincter Stimulation for GERD (LESS GERD) ... designed to provide long-term reflux control by restoring normal ... affects nearly 65 million people in the ...
(Date:4/19/2017)...  New research provides evidence that an old drug may ... study released today that will be presented at the ... Boston , April 22 to 28, 2017. ... disease, the oral drug levodopa has long been considered the ... the disease progresses, the effects of the medication can partially ...
Breaking Medicine Technology: