Research at Oxford University’s Institute of Molecular Medicine has identified a novel therapeutic regimen for the treatment of cancer that provides significant advantages over the existing methods of cancer treatment.
There are already a number of regimens available for treatment of cancer, including chemotherapy, which is commonly used to treat a number of different types of cancer. In most cases chemotherapeutic agents are given at the maximum tolerated dose (MTD), but at such doses the treatments can only be given in short courses and often have unacceptable side effects. In recent years, the use of immunotherapy for tumours has also increased, but tumour cells have been shown to evade immunotherapy by mutating to avoid presentation of the specific tumour epitope to the immune system. It has previously been suggested that a combination of immunotherapy and chemotherapy may prove effective as a treatment. However, this has not proved ideal since conventional chemotherapy suppresses the immune system, thereby reducing the effectiveness of the immunotherapy.
Researchers in Oxford have now devised a novel therapeutic regimen that combines the advantages of both chemotherapy and immunotherapy whilst reducing the disadvantages of each. It has been shown that chemotherapeutic agents can have a beneficial effect at doses lower than the MTD (such a dosing regimen has become known as metronomic dosing). Metronomic dosing, whilst not being as aggressive as the MTD regimen, has fewer side effects and can be used for longer periods without a break. The researchers have identified a metronomic regimen that does not cause the severe immunosuppression of standard chemotherapy and so opens the possibility of combining immunotherapy and chemotherapy. Furthermore, they have shown that such a combination therapy is more effective at inhibiting tumour growth than either chemotherapy (at MTD or as a metronomic dose), or immunotherapy alone or than immunotherapy in combination with chemotherapy at MTD.
Jennifer Johnson | alfa
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The Institute of Semiconductor Technology and the Institute of Physical and Theoretical Chemistry, both members of the Laboratory for Emerging Nanometrology (LENA), at Technische Universität Braunschweig are partners in a new European research project entitled ChipScope, which aims to develop a completely new and extremely small optical microscope capable of observing the interior of living cells in real time. A consortium of 7 partners from 5 countries will tackle this issue with very ambitious objectives during a four-year research program.
To demonstrate the usefulness of this new scientific tool, at the end of the project the developed chip-sized microscope will be used to observe in real-time...
Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
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