André Ramon

ORCID: 0000-0002-7289-7916
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About
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Research Areas
  • Vasculitis and related conditions
  • Spondyloarthritis Studies and Treatments
  • Gout, Hyperuricemia, Uric Acid
  • Rheumatoid Arthritis Research and Therapies
  • Systemic Lupus Erythematosus Research
  • Otitis Media and Relapsing Polychondritis
  • Musculoskeletal synovial abnormalities and treatments
  • Myeloproliferative Neoplasms: Diagnosis and Treatment
  • Atherosclerosis and Cardiovascular Diseases
  • Psoriasis: Treatment and Pathogenesis
  • Sarcoidosis and Beryllium Toxicity Research
  • Coagulation, Bradykinin, Polyphosphates, and Angioedema
  • Bone and Joint Diseases
  • Autoimmune and Inflammatory Disorders Research
  • Advanced X-ray and CT Imaging
  • Inflammasome and immune disorders
  • Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Osteomyelitis and Bone Disorders Research
  • Immune Cell Function and Interaction
  • Renal Diseases and Glomerulopathies
  • Cell Adhesion Molecules Research
  • IgG4-Related and Inflammatory Diseases
  • Systemic Sclerosis and Related Diseases
  • Infectious Diseases and Tuberculosis
  • Spine and Intervertebral Disc Pathology

CHU Dijon Bourgogne
2018-2025

Inserm
2020-2025

Université de Bourgogne
2020-2025

Maison des Sciences de l’Homme de Dijon
2018-2024

Centre Hospitalier Universitaire de Besançon
2024

Infirmerie Protestante
2024

Université Bourgogne Franche-Comté
2021-2024

Université de franche-comté
2024

Methodology and Quality of Life Unit in Oncology
2023

Unit of Virus Host Cell Interactions
2022

To examine the course of interstitial lung disease associated with rheumatoid arthritis (RA-ILD) in France on treatment Janus kinase inhibitors (JAKis) using MAJIK-SFR registry. Prospective national multicentre observational study identifying patients RA-ILD from Pulmonary assessment data were collected at JAKi initiation and follow-up visits (6 months, 12 months a median 21 postinclusion), including chest high-resolution CT (HRCT), pulmonary function tests (forced vital capacity (FVC)...

10.1136/rmdopen-2024-005062 article EN cc-by-nc-nd RMD Open 2025-01-01

Abstract Objectives To investigate the performance of cranial PET/CT for diagnosis GCA. Methods All patients with a suspected GCA were prospectively enrolled in this study and had digital evaluation arteries if they not started glucocorticoids >72 h previously. The was retained after at least 6 months follow-up no other considered by clinician patient went into remission consecutive treatment. Cranial positive one arterial segment showed hypermetabolism similar to or greater than...

10.1093/rheumatology/keac430 article EN Lara D. Veeken 2022-07-22

Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are frequently overlapping conditions. Unlike in GCA, vascular inflammation is absent PMR. Therefore, serum biomarkers reflecting remodelling could be used to identify GCA cases of apparently isolated

10.1136/rmdopen-2024-004488 article EN cc-by-nc-nd RMD Open 2024-08-01

Tumor necrosis factor-alpha (TNFalpha) is a key pro-inflammatory cytokine implicated in the pathogenesis of numerous inflammatory and autoimmune diseases, including rheumatoid arthritis, bowel disease, neurodegenerative disorders such as Alzheimer Disease. Effective inhibition TNFalpha essential for mitigating disease progression improving patient outcomes. In this study, we present development comprehensive characterization potent humanized inhibitory nanobodies (TNFI-Nbs) derived from...

10.1101/2025.02.07.637018 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2025-02-07

Apart from life-threatening and/or functional emergencies, treatment of vascular lesions in giant cell arteritis (GCA) is medical. Revascularization may be considered if the lesion remains symptomatic or progressive despite optimal medical treatment, provided that there no disease-related inflammation, and always managed by a team trained experts. The main risk associated with aortic involvement (aortitis) development an aneurysm, most often thoracic aorta, after several years progression....

10.1016/j.jbspin.2025.105862 article EN cc-by Joint Bone Spine 2025-02-01

(1) Background: To determine which factors are associated with the volume of monosodium urate (MSU) crystal deposition quantified by dual-energy computed tomography (DECT) in urate-lowering therapy (ULT)-naive gout patients. (2) Methods: In this multicenter cross-sectional study, DECT scans knees and feet/ankles were prospectively obtained from ULT-naive Demographic, clinical (including history comorbidities), biological data collected, their association MSU was analyzed using bivariate...

10.3390/jcm9051295 article EN Journal of Clinical Medicine 2020-05-01

Vascular smooth muscle cells (VSMCs) have been shown to play a role in the pathogenesis of giant cell arteritis (GCA) through their capacity produce chemokines recruiting T and monocytes arterial wall ability migrate proliferate neointima where they acquire myofibroblast (MF) phenotype, leading vascular stenosis. This study aimed investigate if MFs could also impact T-cell polarization. Confocal microscopy was used analyze fresh fragments temporal artery biopsies (TABs). Healthy TAB sections...

10.1016/j.jaut.2023.103151 article EN cc-by-nc Journal of Autoimmunity 2023-12-01

Objectif: Elaborer des recommandations pour la prise en charge pratique courante malades atteints de pseudo polyarthrite rhizomélique (PPR). Méthodes: Suivant les procédures standardisées, une revue systématique littérature effectuée par 5 rhumatologues juniors supervisés, à partir questions retenues le comité pilotage (5 séniors) a servi base aux réunions travail puis réunion plénière sur journée avec groupe (15 membres), conduisant l'élaboration libellés et détermination force du degré...

10.1016/j.rhum.2024.06.004 article FR cc-by Revue du Rhumatisme 2024-06-06

Warm autoimmune hemolytic anemia (wAIHA) is a rare acquired disease mediated by antibodies targeting red blood cells. The involvement of CD4 T-helper cells has been scarcely explored, with most findings extrapolated from animal models. Here, we performed quantification both effector T lymphocytes (Teff) and regulatory (Treg), associated functional transcriptomic analyses Treg in human wAIHA. We observed shift Teff toward Th17 polarization concordant an increase serum interleukin-17...

10.3324/haematol.2023.282859 article EN cc-by-nc Haematologica 2023-08-03

A 48-year-old man with end-stage renal disease presented shortness of breath. Computed tomography the face revealed mandibular hypertrophy and a heterogeneous appearance bone, findings consistent osteitis fibrosa cystica.

10.1056/nejmicm1907828 article EN New England Journal of Medicine 2020-03-11

Diagnosis of axial spondyloarthritis (axSpA) is nowadays commonly made with the help pelvic radiography or magnetic resonance imaging (MRI). However, there an important inter-observer variability in radiography, and MRI subject to possible false positives not best modality for studying structural lesions. Conversely, computed tomography (CT) has excellent specificity appears be more effective than diagnosis ankylosing spondylitis (AS). its findings patients over 50 years age have yet been...

10.1038/s41598-023-45082-7 article EN cc-by Scientific Reports 2023-10-20

In gout, several types of dual-energy computed tomography (DECT) artifacts have been described (nail bed, skin, beam hardening, submillimeter and vascular artifacts), which can lead to overdiagnosis. The objective this study was determine the optimal DECT settings for post processing in order reduce frequency some common patients with suspected gout.Seventy-seven hospitalized gout (feet/ankles and/or knees) who received a imaging were included (final diagnosis 43 34 other rheumatic...

10.21037/qims-21-321 article EN Quantitative Imaging in Medicine and Surgery 2021-09-06

10.1016/j.jbspin.2019.12.002 article EN publisher-specific-oa Joint Bone Spine 2019-12-16
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