Publications by authors named "R Mazars"

Article Synopsis
  • Scientists found that a specific part of our immune system, called the NLRP1 inflammasome, can detect a harmful substance called exotoxin A produced by a bacterium named Pseudomonas aeruginosa, which can cause chronic infections.
  • This exotoxin attacks a protein in our cells, leading to stress and activating the NLRP1 inflammasome, which can cause further cell damage.
  • In people with cystic fibrosis, the cells were more sensitive to this exotoxin, showing increased damage, but using certain inhibitors could help reduce this sensitivity.
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The coronavirus disease 2019 (COVID-19) pandemic continues to cause significant morbidity and mortality worldwide. Since a large portion of the world's population is currently unvaccinated or incompletely vaccinated and has limited access to approved treatments against COVID-19, there is an urgent need to continue research on treatment options, especially those at low cost and which are immediately available to patients, particularly in low- and middle-income countries. Prior in vitro and observational studies have shown that fluoxetine, possibly through its inhibitory effect on the acid sphingomyelinase/ceramide system, could be a promising antiviral and anti-inflammatory treatment against COVID-19.

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The constant development of health technologies, combined with the increase in the cost of treatment, means that States must continually make choices about the introduction of new technologies into their healthcare system and how they are to be funded. In France, the systematic participation of patients in these processes is one of the targets to be met in terms of healthcare democracy. Although, on an international level, patient involvement in these assessments is constantly growing, it is difficult to define due to the presence of unstabilised elements in terms of both terminology and assessment methods.

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Objective: To analyse pelvic autonomous innervation with magnetic resonance imaging (MRI) in comparison with anatomical macroscopic dissection on cadavers.

Material And Methods: Pelvic MRI was performed in eight adult human cadavers (five men and three women) using a total of four sequences each: T1, T1 fat saturation, T2, diffusion weighed. Images were analysed with segmentation software in order to extract nervous tissue.

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Aim: Curative surgery is the standard treatment for colorectal cancer. The ligation level of the inferior mesenteric artery (IMA) is still debated, as neither low tie (LT) nor high tie ligation (HT) has shown any benefit on the patients' overall survival. We examined whether LT is standardizable and easily reproducible from an anatomical point of view.

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