Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Screening for transformed human mesenchymal stromal cells with tumorigenic potential

30.01.2014
Researchers at Erasmus University Medical Center Rotterdam, The Netherlands, led by Dr. Qiuwei Pan and Dr. Luc van der Laan, have discovered that spontaneous tumorigenic transformation of human mesenchymal stem/stromal cells (MSCs) can occur during cell culture expansion, although the frequency is relatively low and often only observed after extensive passage in culture. This report appears in the January 2014 issue of Experimental Biology and Medicine.

Currently, MSCs are being widely investigated as a potential treatment for various diseases. According to ClinicalTrials.gov, over 350 clinical trials using MSCs have been registered by the end of 2013 (with a search of: mesenchymal stem cells).

For cell transplantation, MSCs are often isolated from either the patient or from a third party donor, and then expanded in cell culture before therapeutic application. In fact, spontaneous transformation of primary cells in cell culture has been well-investigated over decades. Malignant transformation of murine and monkey MSCs has also recently been reported.

The current study confirmed that spontaneous tumorigenic transformation of human MSCs can occur during cell culture expansion. This potentially has large implications for the clinical application of ex vivo expanded MSCs. "Although this transformation is rare, we do need to carefully examine the presence of these aberrant cells in MSC cultures, before transplanting into patients", stresses the first author Dr. Pan. "We now have identified RNA molecule signatures that can be applied as a potential biomarker for the detection of these dangerous cells in long-term cultures", said senior author Dr. van der Laan. "However, further research is required to validate this biomarker in clinical grade cultures of MSCs that are used in clinical trials".

Dr. Steven R. Goodman, Editor-in-Chief of Experimental Biology and Medicine said "This study provides a possible method for testing the safety of expanded adult stem cells. We look forward to the validation of these RNA biomarkers".

Experimental Biology and Medicine is a journal dedicated to the publication of multidisciplinary and interdisciplinary research in the biomedical sciences. The journal was first established in 1903. Experimental Biology and Medicine is the journal of the Society of Experimental Biology and Medicine. To learn about the benefits of society membership visit http://www.sebm.org. If you are interested in publishing in the journal please visit http://ebm.sagepub.com/.

Dr. Qiuwei Pan | EurekAlert!
Further information:
http://www.sebm.org

Further reports about: Experimental Biology MSC RNA adult stem cell stem cells synthetic biology

More articles from Life Sciences:

nachricht An evolutionary heads-up – The brain size advantage
22.05.2015 | Veterinärmedizinische Universität Wien

nachricht Endocrine disrupting chemicals in baby teethers
21.05.2015 | Goethe-Universität Frankfurt am Main

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Basel Physicists Develop Efficient Method of Signal Transmission from Nanocomponents

Physicists have developed an innovative method that could enable the efficient use of nanocomponents in electronic circuits. To achieve this, they have developed a layout in which a nanocomponent is connected to two electrical conductors, which uncouple the electrical signal in a highly efficient manner. The scientists at the Department of Physics and the Swiss Nanoscience Institute at the University of Basel have published their results in the scientific journal “Nature Communications” together with their colleagues from ETH Zurich.

Electronic components are becoming smaller and smaller. Components measuring just a few nanometers – the size of around ten atoms – are already being produced...

Im Focus: IoT-based Advanced Automobile Parking Navigation System

Development and implementation of an advanced automobile parking navigation platform for parking services

To fulfill the requirements of the industry, PolyU researchers developed the Advanced Automobile Parking Navigation Platform, which includes smart devices,...

Im Focus: First electrical car ferry in the world in operation in Norway now

  • Siemens delivers electric propulsion system and charging stations with lithium-ion batteries charged from hydro power
  • Ferry only uses 150 kilowatt hours (kWh) per route and reduces cost of fuel by 60 percent
  • Milestone on the road to operating emission-free ferries

The world's first electrical car and passenger ferry powered by batteries has entered service in Norway. The ferry only uses 150 kWh per route, which...

Im Focus: Into the ice – RV Polarstern opens the arctic season by setting course for Spitsbergen

On Tuesday, 19 May 2015 the research icebreaker Polarstern will leave its home port in Bremerhaven, setting a course for the Arctic. Led by Dr Ilka Peeken from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) a team of 53 researchers from 11 countries will investigate the effects of climate change in the Arctic, from the surface ice floes down to the seafloor.

RV Polarstern will enter the sea-ice zone north of Spitsbergen. Covering two shallow regions on their way to deeper waters, the scientists on board will focus...

Im Focus: Gel filled with nanosponges cleans up MRSA infections

Nanoengineers at the University of California, San Diego developed a gel filled with toxin-absorbing nanosponges that could lead to an effective treatment for skin and wound infections caused by MRSA (methicillin-resistant Staphylococcus aureus), an antibiotic-resistant bacteria. This "nanosponge-hydrogel" minimized the growth of skin lesions on mice infected with MRSA - without the use of antibiotics. The researchers recently published their findings online in Advanced Materials.

To make the nanosponge-hydrogel, the team mixed nanosponges, which are nanoparticles that absorb dangerous toxins produced by MRSA, E. coli and other...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

International symposium: trends in spatial analysis and modelling for a more sustainable land use

20.05.2015 | Event News

15th conference of the International Association of Colloid and Interface Scientists

18.05.2015 | Event News

EHFG 2015: Securing health in Europe. Balancing priorities, sharing responsibilities

12.05.2015 | Event News

 
Latest News

Mesoporous Particles for the Development of Drug Delivery System Safe to Human Bodies

22.05.2015 | Materials Sciences

Computing at the Speed of Light

22.05.2015 | Information Technology

Development of Gold Nanoparticles That Control Osteogenic Differentiation of Stem Cells

22.05.2015 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>