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Researchers develop new system for effective cancer diagnosis and treatment

A research group consisting of scientists from NUST MISIS, the Technical University of Munich, Helmholtz Zentrum München, the University of Duisburg-Essen, and the University of Oldenburg has developed a system that allows doctors to both improve the accuracy of diagnosing malignant cells and to provide additional opportunities for cancer treatment. The magnetoferritin compound is the main element of this new system. The research article has been published in Advanced Functional Materials. The lack of accuracy ("contrast") in imaging is a common problem of non-invasive diagnosis. "Contrast agents", compounds that are introduced into the body before a diagnosis procedure to enhance the response and make affected cells more visible on a tomograph, can be used to solve this problem in magnetic resonance imaging (MRI). Paramagnetic gadolinium particles and superparamagnetic iron particles are among these agents. However, even in small quantities, these substances - alien to the human body - can potentially be dangerous. Magnetoferritin is a compound consisting of endogenous human protein (ferritin) and a magnetic nucleus. The development and testing of the compound was conducted following the existing protocol for the synthesis of magnetoferritin, but was improved for the effective capture of tumor cells. The high concentration of magnetoferritin in tumor tissue made it possible to obtain a hypoallergenic contrast agent that is perfectly compatible with the human body. News-Medical Search Menu 1 Researchers develop new system for effective cancer diagnosis and treatment Download PDF Copy Advertisement Reviewed by Kate Anderton, BScAug 24 2018 A research group consisting of scientists from NUST MISIS, the Technical University of Munich, Helmholtz Zentrum München, the University of Duisburg-Essen, and the University of Oldenburg has developed a system that allows doctors to both improve the accuracy of diagnosing malignant cells and to provide additional opportunities for cancer treatment. The magnetoferritin compound is the main element of this new system. The research article has been published in Advanced Functional Materials. The lack of accuracy ("contrast") in imaging is a common problem of non-invasive diagnosis. "Contrast agents", compounds that are introduced into the body before a diagnosis procedure to enhance the response and make affected cells more visible on a tomograph, can be used to solve this problem in magnetic resonance imaging (MRI). Paramagnetic gadolinium particles and superparamagnetic iron particles are among these agents. However, even in small quantities, these substances - alien to the human body - can potentially be dangerous. Related Stories Men who consume alcohol during adolescence are more likely to have prostate cancer Most of current and former cancer patients are mentally flourishing, shows new study Brain tumors trap immune cells needed to fight cancer in the bone marrow, finds research "The international research team, including Dr. Ulf Wiedwald, a visiting Professor at the NUST MISIS Biomedical Nanomaterials Laboratory, has developed a unique injection diagnosis system based on magnetoferritin. The developed system will significantly improve the quality of MRIs and optical diagnosis", -- said Alevtina Chernikova, Rector of NUST MISIS. Magnetoferritin is a compound consisting of endogenous human protein (ferritin) and a magnetic nucleus. The development and testing of the compound was conducted following the existing protocol for the synthesis of magnetoferritin, but was improved for the effective capture of tumor cells. The high concentration of magnetoferritin in tumor tissue made it possible to obtain a hypoallergenic contrast agent that is perfectly compatible with the human body. Advertisement "An intravenous injection of magnetoferritin has been proposed. Then, spreading with the blood flow, [the magnetoferritin] will be captured by the targeted tumor cells. As has been shown in a large number of studies, these cells actively capture transferrin - the protein responsible for transport of iron in blood. The same receptors are capable of capturing magnetoferritin as well. Once they get into the lysosomes of targeted cells, the magnetoferritin will further enhance the contrast signal", -- commented Dr. Wiedwald. The system will also allow doctors to conduct therapy on tumor formations. If cancerous cells are identified, they can be targeted by an electromagnetic field or light, which will lead to their heating and subsequent death.
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