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Ex vivo effect of vascular wall stromal cells secretome on enteric ganglia

World Journal of Gastroenterology 2019年第33期25卷 4892-4903页

作者： Giovanni Dothel Chiara Bernardini Augusta Zannoni maria Rosaria Spirito Roberta Salaroli maria laura bacci Monica Forni Fabrizio De Ponti Department of Medical and Surgical Sciences University of BolognaBologna 40126Italy Department of Veterinary Medical Sciences University of BolognaBologna 40064Italy

BACKGROUND Mesenchymal stromal cell(MSC)-based therapy is currently under study to treat inflammatory bowel diseases.MSC bioactive products could represent a valid alternative to overcome issues associated with systemic whole-cell therapies.However,MSC anti-inflammatory mechanisms differ between rodents and humans,impairing the reliability of preclinical models.AIM To evaluate the effect of conditioned medium(CM)derived from porcine vascular wall MSCs(pVW-MSCs)on survival and differentiation of porcine and guinea pig enteric ganglia exposed to lipopolysaccharide(LPS).METHODS Primary cultures of enteric ganglia were obtained by mechanic and enzymatic digestion of ileum resections from guinea pigs(Cavia porcellus)(GPEG)and pigs(Suus scrofa)(PEG).pVW-MSCs were derived by enzymatic digestion from vascular wall resections of porcine aorta and tested by immunoflowcytometry for MSC immune profile.Enteric ganglia were treated with increasing concentrations of LPS,CM derived by pVW-MSCs or a combination of CM and LPS 1μg/mL.Cell count and morphometric analysis of HuD positive neurons and glial fibrillary acidic protein positive glial cells were performed by immunofluorecent staining of cultured ganglia.RESULTS PEG showed a higher number of neurons compared to GPEG.Overall,CM exerted a protective role on LPS-treated enteric ganglia.CM in combination with LPS increased the number of glial cells per ganglion in both cultures evoking glial cells differentiation in porcine cultures.CONCLUSION These findings suggest an immunomodulating activity of pVW-MSCs mediators on the enteric nervous system in inflammatory conditions.

关键词： Enteric nervous system Mesenchymal stromal cells Inflammatory bowel disease Ganglia Translational models

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Persistent dysexecutive syndrome after pneumococcal meningitis complicated by recurrent ischemic strokes:A case report

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World Journal of Clinical Cases 2023年第22期11卷 5344-5350页

作者： laura Abbruzzese Giulia Martinelli Giulia Salti Benedetta Basagni Alessio Damora Cristiano Scarselli Giulia Peppoloni Aleksandra Podgorska Giuliana Rosso Marco bacci Alba Rosa Alfano MAURO MANCUSO CRT Tuscany Rehabilitation ClinicMontevarchiArezzo 52025Italy Physical and Rehabilitative Medicine Unit NHS ASL-Tuscany South EstGrosseto 58100Italy Department of Internal Medicine and Medical Specialties UOC GeriatricsSapienza University of RomeRome 00185Italy

Meningitis is a possible complication of pneumococcal infection concerning acute otitis media and sinusitis.It might compromise cognitive function,both for the infection itself and the vascular events that sometimes follow the acute phase.CASE SUMMARY Here we describe the case of a 32-year-old female patient admitted to the emergency room due to extensive pneumococcal meningitis as a consequence of sinus outbreak.She presented with extensive laminar ischemic damage in the acute phase,resulting in severe cognitive and behavioural impairment.Four years of follow-up,through neuropsychological assessments and neuroradiological investigations,demonstrated the presence of subsequent vascular events,3 months and 2 years after onset.CONCLUSION The case is discussed in light of scientific knowledge of the long-term outcomes of this pathology in order to potentially improve diagnosis and promote better outcomes.

关键词： Pneumococcal meningitis Stroke,Cognitive and behavioural functioning Long-term outcome Case report

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