Title |
Proof of principle: quality control of therapeutic cell preparations using senescence-associated DNA-methylation changes
|
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Published in |
BMC Research Notes, April 2014
|
DOI | 10.1186/1756-0500-7-254 |
Pubmed ID | |
Authors |
Anne Schellenberg, Sébastien Mauen, Carmen Mareike Koch, Ralph Jans, Peter de Waele, Wolfgang Wagner |
Abstract |
Tracking of replicative senescence is of fundamental relevance in cellular therapy. Cell preparations - such as mesenchymal stromal cells (MSCs) - undergo continuous changes during culture expansion, which is reflected by impaired proliferation and loss of differentiation potential. This process is associated with epigenetic modifications: during in vitro culture, cells acquire senescence-associated DNA methylation (SA-DNAm) changes at specific sites in the genome. We have recently described an Epigenetic-Senescence-Signature that facilitates prediction of the state of cellular aging by analysis of DNAm at six CpG sites (associated with the genes GRM7, CASR, PRAMEF2, SELP, CASP14 and KRTAP13-3), but this has not yet been proven over subsequent passages and with MSCs isolated under good manufacturing practice (GMP) conditions. |
X Demographics
Geographical breakdown
Country | Count | As % |
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United States | 1 | 50% |
Unknown | 1 | 50% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 2 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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United Kingdom | 1 | 3% |
United States | 1 | 3% |
Sweden | 1 | 3% |
France | 1 | 3% |
Unknown | 31 | 89% |
Demographic breakdown
Readers by professional status | Count | As % |
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Researcher | 10 | 29% |
Student > Ph. D. Student | 9 | 26% |
Student > Master | 5 | 14% |
Other | 3 | 9% |
Student > Bachelor | 3 | 9% |
Other | 5 | 14% |
Readers by discipline | Count | As % |
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Biochemistry, Genetics and Molecular Biology | 14 | 40% |
Agricultural and Biological Sciences | 7 | 20% |
Medicine and Dentistry | 5 | 14% |
Pharmacology, Toxicology and Pharmaceutical Science | 2 | 6% |
Engineering | 2 | 6% |
Other | 5 | 14% |