Jonathan Abraham Demma

ORCID: 0000-0003-3604-127X
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About
Contact & Profiles
Research Areas
  • Esophageal and GI Pathology
  • Hernia repair and management
  • Pelvic and Acetabular Injuries
  • Gastric Cancer Management and Outcomes
  • Ultrasound in Clinical Applications
  • Cardiac, Anesthesia and Surgical Outcomes
  • Gastrointestinal Tumor Research and Treatment
  • Abdominal Surgery and Complications
  • Hip and Femur Fractures
  • Diverticular Disease and Complications
  • MicroRNA in disease regulation
  • Cancer Genomics and Diagnostics
  • Phagocytosis and Immune Regulation
  • Electrospun Nanofibers in Biomedical Applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Global Health and Surgery
  • Anodic Oxide Films and Nanostructures
  • Gastroesophageal reflux and treatments
  • Renal and related cancers
  • Helicobacter pylori-related gastroenterology studies
  • Chemokine receptors and signaling
  • Cardiovascular and Diving-Related Complications
  • Cardiovascular Syncope and Autonomic Disorders
  • Hereditary Neurological Disorders
  • Metastasis and carcinoma case studies

Hadassah Medical Center
2017-2024

Hadassah Academic College
2011-2024

Royal London Hospital
2024

University College London
2024

Hebrew University of Jerusalem
2022-2023

Centre Hospitalier Universitaire de Lille
2022

Hôpital Claude Huriez
2022

Objective Cellular senescence limits tumourigenesis by blocking the proliferation of premalignant cells. Additionally, however, senescent cells can exert paracrine effects influencing tumour growth. Senescent are present in pancreatic intraepithelial neoplasia (PanIN) lesions, yet their on disease poorly characterised. It is currently unknown whether senolytic drugs, aimed at eliminating from could be beneficial development. Design To uncover functions and potential contribution to early...

10.1136/gutjnl-2020-321112 article EN cc-by-nc Gut 2021-03-01

Objectives Autocrine and paracrine chemokine/chemokine receptor-based interactions promote non-small-cell-lung-cancer (NSCLC) carcinogenesis. CCL20/CCR6 are involved in prostatic colonic malignancy pathogenesis. The expression function of its related Th-17 type immune response NSCLC is not yet defined. We sought to characterize the role CCL20/CCR6/IL-17 axis tumor growth. Methods A specialized histopathologist blindly assessed levels 49 tissue samples patients operated our department....

10.1371/journal.pone.0024856 article EN cc-by PLoS ONE 2011-09-15

Optimal clinical outcomes in cancer treatments could be achieved through the development of reliable, precise ex vivo tumor models that function as drug screening platforms for patient-targeted therapies. Microfluidic tumor-on-chip technology is emerging a preferred tool since it enables complex set-ups and recapitulation physiologically relevant physical microenvironment tumors. In order to overcome common hindrances encountered while using this technology, fully 3D-printed device was...

10.1038/s42003-023-05531-5 article EN cc-by Communications Biology 2023-11-13
Mehdi Boubaddi Hugo Teixeira Farinha Céline Lambert Bruno Pereira Guillaume Piessen and 95 more Monica Gualtierotti Thibault Voron Styliani Mantziari Denis Pezet Caroline Gronnier Jean‐Marc Regimbeau B. Brac Émilie Lermite J. Barbieux Elodie Cloche P. Guéroult Serban Puia-Negulsecu Olivier Degrandi Camille Joumaa M. Seel Damien Bouriez Soline Celarier Caroline Gronnier Denis Collet Jérémie Thereaux Coralie Roche Denis Pezet Julie Véziant Johan Gagnière Ophélie Bacœur-Ouzillou Camille Lecomte Flora Badon-Murgue Samer Al Mustafa A. Y. Sarkis G. Lescure Anne Gandon Clarisse Eveno Georges Dubreuilh Guillaume Piessen Laurent Arnalsteen Arnaud Pasquer Antoine Breton Maud Robert Gilles Poncet Diane Mège I. Sielezneff Jérôme Guiramand Olivıer Turrini C Chaussende Victor Ewassadja Rémy Chevalier Régis Souche Jean‐Michel Fabre Charlotte Ferrandis Thomas Bardol Lorenzo Ferre Gilles Manceau Mehdi Karoui Marc Pocard Dahbia Djelil Thibault Voron Jéremie H. Lefèvre Yann Parc François Paye Pierre Balladur David Fuks Anne de Carbonnières S. Bonnet Pierre Cattan Jonathan Abraham Demma Hélène Corte Nicolas Margot A. Rault Thomas Courvoisier-Clément Jean‐Pierre Faure Damien Bergeat Edouard Wasielewski Bernard Meunier Bertrand Le Roy Don-André Vincentelli Antoine Epin Thomas Solé Jérome Deheppe Axel Denneval Charlotte Pella S. P. Melnikov Guillaume Péré Nicolas Carrère Florent Genty Styliani Mantziari Francesco Abboretti Markus Schäfer Nicolas Demartines Monica Gualtierotti A Sanou Rodrigue Namékinsba Doamba Roland O Somé Abdelilah Souadka Amina Houmada Amine Souadka

10.1245/s10434-023-14496-y article EN Annals of Surgical Oncology 2023-11-16

Sarcoma classification is challenging and can lead to treatment delays. Previous studies used DNA aberrations machine-learning classifiers based on methylation profiles for diagnosis. We aimed classify sarcomas by analyzing signatures obtained from low-coverage whole-genome sequencing, which also identifies copy-number alterations. was extracted 23 suspected sarcoma samples sequenced an Oxford Nanopore sequencer. The methylation-based classifier, applied in the nanoDx pipeline, customized...

10.3390/cancers15164168 article EN Cancers 2023-08-18

Medical professionalism refers to attributes, values, behaviors, responsibilities and commitments of physicians that are congruent with the public’s expectations. An international workshop on medical took place at Dead Sea, Israel, December 11–12, 2016. The meeting brought together local professionals, others, as well experts, discuss definitions wrestle current challenges facing profession including its perceived status physician satisfaction, unprofessional behavior relation health care...

10.1186/s13584-017-0144-5 article EN cc-by Israel Journal of Health Policy Research 2017-04-03

Abstract Background Giant inguinal hernia (GIH) is a rare condition in the developed world, and literature scarce. Case reports describe different techniques an attempt to prevent abdominal compartment syndrome (ACS). We aimed review our experience with GIH repair. Method A retrospective of medical records all consecutive patients who underwent tension-free mesh repair using transverse incision between 2014 2021 at tertiary university referral center. In brief, technique included head-down...

10.1186/s12893-023-02084-6 article EN cc-by BMC Surgery 2023-06-27

BACKGROUND:Behcet’s disease (BD) is defined as vasculitis involving arteries and veins of any size affecting almost organ system. Abdominal manifestations BD are diverse nonspecific. Mucosal ulcerations can be seen in the gastrointestinal tract. Extensive ulcerations, especially ileocecal lesions, lead to perforation, strictures, fistulas, abscesses. Pneumatosis cystoides intestinale a rare benign condition characterized by multiple submucosal or subserosal, gas-filled cysts tract wall. coli...

10.12659/ajcr.937677 article EN American Journal of Case Reports 2022-09-22

Pathological diagnosis of sarcoma is based on histopathological features and immunohistochemical staining, as well fluorescence in situ hybridization (FISH), Sanger sequencing, massively parallel DNA methylation-based arrays. With this approach, up to 80–85% cases are classified. Nanopore sequencing a rapid, point care method for characterizing tumors' molecular landscape including single nucleotide variations, copy number alterations (CNA), translocations methylation. Using low coverage...

10.1016/j.esmoop.2024.102523 article EN cc-by-nc-nd ESMO Open 2024-03-01

Familial dysautonomia (FD) is a genetic disease of the autonomous and sensory nervous systems. Severe gastro-oesophageal reflux common one major complications. Some patients with FD develop megaoesophagus. Oesophageal malfunction, accompanied by oesophageal food secretion retention, results in recurrent aspiration other severe respiratory Through traditional case report, we wish to show how reverse tubing oesophagus can lead significant symptomatic improvement these patients. Moreover, this...

10.1136/bmjgast-2023-001285 article EN cc-by-nc BMJ Open Gastroenterology 2024-03-01

Hypercoagulability after trauma is a known entity. Following significant trauma, most guidelines advise anticoagulation treatment for venous thromboembolism (VTE) prophylaxis. VTE following minor convoyed with arterial or systemic embolization dictate the need to search uncommon source of thromboembolic complications. This report an unusual case pulmonary and emboli complicated by splenic abscess in patient Diabetes Mellitus as first presentation patent foramen ovale (PFO).

10.1016/j.tcr.2021.100479 article EN cc-by-nc-nd Trauma Case Reports 2021-04-21

Objective: To describe the management of pathogenic CDH1 variant carriers (pCDH1vc) within FREGAT (FRench Eso-GAsTric tumor) network. Primary objective focused on clinical outcomes and pathological findings, Secondary was to identify risk factor predicting postoperative morbidity (POM). Background: Prophylactic total gastrectomy (PTG) remains recommended option for gastric cancer in pCDH1vc with, however, endoscopic surveillance as an alternative. Methods: A retrospective observational...

10.1097/sla.0000000000005626 article EN Annals of Surgery 2022-07-20

Results A 20 y/o boy suffering from familial dysautonomia (FD) has been referred to the clinic due chronic cough, dyspnea, and desaturation secondary recurrent aspirations of esophageal content. He developed a megaesophagus, severe food secretion retention, leading pneumonia, cardiac compression on cross-sectional imaging exertional dyspnea. The patient was obliged manually remove secretions, using his own fingers. As rescue therapy, we replaced existing gastrostomy tube with...

10.1055/s-0043-1765477 article EN Endoscopy 2023-04-01

Abstract Background Giant inguinal hernia (GIH), defined as a descending below the inner-thigh midpoint in upright position, is rare. Case reports describe techniques which abdominal cavity prepared and care taken to prevent compartment syndrome (ACS). Our aim was analyze review our experience with GIH repair. Methods Retrospective single-institution, case-control, study included adults who underwent repair between 2014–2021 at an university referral center. Technique endo-tracheal...

10.1093/bjs/znac308.014 article EN British journal of surgery 2022-10-01
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