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Mucosal-associated invariant T (MAIT) cells are very abundant in humans and have antimicrobial specificity, but their functions remain unclear. MAIT cells are CD161(hi)IL-18Rα(+) and either CD4(-)CD8(-) (DN) or CD8αβ(int) T cells. We now show that they display an effector-memory phenotype (CD45RA(-)CD45RO(+)CD95(hi)CD62L(lo)), and their chemokine receptor(More)
BACKGROUND Desmoplastic small round cell tumors (DSRCT) have been only recently identified. METHODS The authors report DSRCT in two pediatric patients (an 8-year-old boy and 12-year-old boy). In both patients, the initial diagnosis was rhabdomyosarcoma. The resistance to standard chemotherapy and radiation therapy prompted the authors to review the(More)
In between innate and adaptive immunity, the recently identified innate-like mucosal-associated invariant T (MAIT) lymphocytes display specific reactivity to non-streptococcal bacteria. Whether they are involved in bacterial sepsis has not been investigated. We aimed to assess the number and the time course of circulating innate-like T lymphocytes (MAIT,(More)
Nineteen clinical cases of intestinal stricture due to neonatal necrotising enterocolitis and a review of available references are presented in this paper. Intestinal strictures are estimated to arise in 20% to 30% on neonatal enterocolitis. However the delay between the acute episode and the occurrence of the stenosis is variable; the depth and the extend,(More)
Rectoanal manometry and a rectometrographic study were carried out on 31 control subjects and 63 constipated children. A single contrast barium enema was performed on all constipated children and on 20 children for whom this x-ray study (made for a reason other than constipation) was considered normal. This study allowed the determining of four manometric(More)
Staphylococcus aureus causes chronic respiratory tract infections in patients with cystic fibrosis (CF). Using immunofluorescence and scanning and transmission electron microscopy we located S. aureus in lung specimens of three infected CF patients, in a nasal polyp of one CF patient, and in a suspension cell culture system of primary nasal epithelial cells(More)