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Motor neuron diseases (MNDs) comprise a large and heterogeneous group of disorders in which the impairment of neuromuscular unity is the major pathological hallmark, causing severe morbidity to individuals, and frequently leading to death due to respiratory failure. The incidence of MNDs varies in different populations; however, the most prevalent, Amyotrophic Lateral Sclerosis, is estimated to occur globally in around 1/2 per 100 000. As of today, a myriad of pathogenic variants located at more than a hundred genes and loci have been associated with this complex group of entities. Functional studies aiming to understand their physiological impact, both using stem cell and animal models, hav...
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Macrophages are the most common immune cells present in adipose tissues. These adipose tissue macrophages (ATMs) have an important role in regulating homeostasis and contributing to the metabolically harmful chronic inflammation seen in some obese individuals. Macrophages are cells exhibiting plasticity, that is to alter their polarization between pro- and anti-inflammatory phenotypes, in response to stimuli in their microenvironments. There has been a deal of evidence supporting the heterogeneity of these ATM populations, however, research into their differential functionality, developmental origin, and phenotype warrants further research to reach a consensus. Further questions remain regar...