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MRNA, a Revolution in Biomedicine.

ABSTRACT: The perspective of using messenger RNA (mRNA) as a therapeutic molecule first faced some uncertainties due to concerns about its instability and the feasibility of large-scale production. Today, given technological advances and deeper biomolecular knowledge, these issues have started to be addressed and some strategies are being exploited to overcome the limitations. Thus, the potential of mRNA has become increasingly recognized for the development of new innovative therapeutics, envisioning its application in immunotherapy, regenerative medicine, vaccination, and gene editing. Nonetheless, to fully potentiate mRNA therapeutic application, its efficient production, stabilization and delivery into the target cells are required. In recent years, intensive research has been carried out in this field in order to bring new and effective solutions towards the stabilization and delivery of mRNA. Presently, the therapeutic potential of mRNA is undoubtedly recognized, which was greatly reinforced by the results achieved in the battle against the COVID-19 pandemic, but there are still some issues that need to be improved, which are critically discussed in this review.

SUBMITTER: Baptista B

PROVIDER: S-EPMC8707022 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Some people with cancer suffer from muscle wasting, lose weight and feel tired. This process, termed cachexia, is a significant problem and can lead to a reduction in both quality and quantity of life. Cachexia is caused by interactions between the tumour and the patient. Historically, it was considered to be a purely end-stage phenomenon of advanced cancer, however, it is now known that early signs of cachexia can even influence the outcomes of patients with potentially curative pathology, including those planned for a surgical resection. This study aims to collect information, from patients who are at risk of cachexia, about body composition, physical activity, quality of life and the body’s immune response to cancer. Previously these measures have been most frequently studied in isolation, or at one single time-point, and are therefore likely to give an incomplete picture. A more holistic characterisation of surgical patients at risk of cancer cachexia, across their treatments, is currently lacking. Participants with cancer will be recruited to the study from surgical services in the United Kingdom (UK). A small number of ‘control’ patients without cancer, who are undergoing surgery for a benign condition, will also be recruited for comparison. Those recruited will have their height and weight measured, answer questionnaires about quality of life, undergo assessment of their physical function and levels of activity, have blood taken to analyse markers of inflammation and have their body composition measured by a variety of methods. A subgroup of patients will also undergo an additional magnetic resonance imaging (MRI) scan of their abdomen and thighs. At the time of their operation, participants will also have small biopsies of muscle, fat, tumour and urine taken for biochemical analysis. Patients with cancer, will be asked to return for three follow up appointments during the year after their operation where these assessments will be repeated.

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MRNA, a Revolution in Biomedicine.

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