منابع مشابه
US teenager's parents sue school over depression screening test.
The parents of an Indiana teenager have filed a suit in a federal court in the state's Northern District, charging that school officials violated their privacy rights and parental rights by subjecting their daughter to a mental health screening examination without their permission. The suit is seen as significant because President Bush has promoted a controversial plan to encourage widespread m...
متن کاملEpithelial Stem Cells: Turning over New Leaves
Most epithelial tissues self-renew throughout adult life due to the presence of multipotent stem cells and/or unipotent progenitor cells. Epithelial stem cells are specified during development and are controlled by epithelial-mesenchymal interactions. Despite morphological and functional differences among epithelia, common signaling pathways appear to control epithelial stem cell maintenance, a...
متن کاملUK battle over hybrid stem cells
British government plans to outlaw the creation of embryos which are part human, part animal are " unacceptable " and threaten to undermine the country's leading position in stem-cell science, a group of MPs reported last month. A report by the House of Commons science and technology committee called on ministers to scrap the proposed ban and accuses the government of basing its opposition to t...
متن کاملWhat are Stem Cells?
Stem cells are undifferentiated self regenerating multi potential cells. There are three types of stem cells categories by the ability to form after cells and correlated with the body’s development process. Totipotent: these stem cells can form an entire organism such as fertilized egg. Ploripotent: ploripotent cells are those that can form any cell in the body but cannot form an entire organ...
متن کاملSkin Stem Cells
The future development of medicine will greatly depend on research, knowledge and clinical application of stem cells. In recent years, stem cells especially; skin stem cells have been very interesting and amazing targets for study and scientific application in the following fields : 1- Cell-based therapy; 2- Regenerative medicine and tissue engineering; 3- Gene therapy; 4- Therapeutic cloning; ...
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ژورنال
عنوان ژورنال: Nature
سال: 2009
ISSN: 0028-0836,1476-4687
DOI: 10.1038/460019a