The researchers, led by Dr Cristina Tufarelli, in the School of Graduate Entry Medicine and Health Sciences, discovered that the presence of this faulty genetic element — known as chimeric transcript LCT13 — is associated with the switching off of a known tumour suppressor gene (known as TFPI-2) whose expression is required to prevent cancer invasion and metastasis.
Their findings, published online this month in the journal Nucleic Acid Research, suggest that LCT13 may be involved in switching off TFPI-2.
This faulty genetic element was previously identified by Dr Tufarelli’s team as part of a group of chimeric transcripts which are produced by DNA sequences frequently regarded as ‘junk DNA’ called LINE-1 (L1).
The work reported now expands on the previous observation as it indicates that in addition to acting as potential diagnostic tools these rogue elements can play an active role in cancer.
Dr Tufarelli said: “This study has identified a novel way in which ‘junk DNA’ can interfere with the normal functioning of a cell. The next step will be to understand how these elements become switched on. This information will be important in the design of treatments aimed to prevent activation of these elements and cancer progression.”
A copy of the paper, Expression of a Large LINE-1 Driven Antisense RNA is Linked to Epigenetic Silencing of the Metastasis Suppressor Gene TFPI-2 in Cancer, is available to view online on the website for the journal Nucleic Acid Research.
— Ends —
Notes to editors: The University of Nottinghamhas 42,000 students at award-winning campuses in the United Kingdom, China and Malaysia. It was ‘one of the first to embrace a truly international approach to higher education’, according to the Sunday Times University Guide 2013. It is also one of the most popular universities among graduate employers, one of the world’s greenest universities, and winner of the Times Higher Education Award for ‘Outstanding Contribution to Sustainable Development’. It is ranked in the UK’s Top 10 and the World’s Top 75 universities by the Shanghai Jiao Tong and the QS World Rankings.
More than 90 per cent of research at The University of Nottingham is of international quality, according to the most recent Research Assessment Exercise. The University aims to be recognised around the world for its signature contributions, especially in global food security, energy & sustainability, and health. The University won a Queen’s Anniversary Prize for Higher and Further Education for its research into global food security.
More information is available from Dr Cristina Tufarelli on +44 (0)1332 724 645, email@example.com
Emma Thorne – Media Relations Manager
Email: firstname.lastname@example.org Phone: +44 (0)115 951 5793 Location: University Park