Antoine Néel

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BACKGROUND Dendritic cells (DC) and regulatory cells (Treg) play pivotal roles in controlling both normal and autoimmune adaptive immune responses. DC are the main antigen-presenting cells to T cells, and they also control Treg functions. In this study, we examined the frequency and phenotype of DC subsets, and the frequency and function of Treg from(More)
During the last 20 years a program to develop and commercialize the Pinus patula × Pinus tecunumanii hybrid, as a replacement for P. patula, has been successfully implemented. The first crosses were initiated during the early 1990s and lead to establishment of field trials across a wide variety of sites. This work gained further impetus when it became(More)
Autoimmune pancreatitis (AIP) is a syndrome characterised by an enlarged pancreas with an irregular narrowing of the main pancreatic duct, a high serum IgG4 concentration and IgG4-positive plasma cell tissue infiltration. A wide variety of lesions have been associated with AIP, including pulmonary lesions. 1 Consequently, the terms " IgG4-positive(More)
A few reports suggest combination of ANCA-associated vasculitis (AAV) and neutrophilic dermatoses (ND). We aimed to describe the main characteristics of patients presenting with both AAV and ND in a French cohort and through a systematic literature review, and to discuss the possible common pathogenic process involved. We conducted a retrospective study of(More)
OBJECTIVE To describe characteristics, risk factors, and treatment outcome of progressive multifocal leukoencephalopathy (PML) complicating sarcoidosis. METHODS A retrospective chart and literature review was performed. Patients were identified through records from physicians of the Groupe Sarcoïdose Francophone. Each case was compared with 3 controls. (More)
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