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Chemical imaging brings cancer tissue analysis into the digital age
Date:1/8/2014

ion of fully automated histological analysis."

Dr. Zoltan Takats, from the Department of Surgery and Cancer at Imperial College London, said: "This technology can change the fundamental paradigm of histology. Instead of defining tissue types by their structure, we can define them by their chemical composition. This method is independent of the user it's based on numerical data, rather than a specialist's eyes and it can tell you much more in one test than histology can show in many tests."

Professor Jeremy Nicholson, Head of the Department of Surgery and Cancer at Imperial College London, said: "There have been relatively few major changes in the way we study tissue sample pathology since the late 19th century, when staining techniques were used to show tissue structure. Such staining methods are still the mainstay of hospital histopathology; they have become much more sophisticated but they are slow and expensive to do and require considerable expertise to interpret.

"Multivariate chemical imaging that can sense abnormal tissue chemistry in one clean sweep offers a transformative opportunity in terms of diagnostic range, speed and cost, which is likely to impact on future pathology services and to improve patient safety."

The technology will also be useful in drug development. To study where a new drug is absorbed in the body, pharmaceutical scientists attach a radioactive label to the drug molecule, then look at where the radiation can be detected in a laboratory animal. If the label is detached when the drug is processed in the body, it is impossible to determine how and where the drug has been metabolised. MSI would allow researchers to look for the drug and any metabolic products in the body, without using radioactive labels.


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Contact: Sam Wong
sam.wong@imperial.ac.uk
44-207-594-2198
Imperial College London
Source:Eurekalert

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