📇 Rhumatologue · DRAVEIL · (91) · Hospitalier

M Lakhdar KAÏDOUCHI

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3 raisons identifiées

Plateau technique de référence
Assistance publique – Hôpitaux de Paris (APHP) — équipements et expertise pointus pour les cas complexes
Auteur de référence en rhumatologie
50 articles scientifiques publiés — un praticien à la pointe de la recherche
Délais de RDV courts dans la région
73.2 rhumatos / 100 000 hab. — département bien doté

Rhumatologue

📍 DRAVEIL (91)HospitalierRPPS 10001751899

✨ Génération du profil synthétique IA en cours…

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GHU APHP HM SITE DUPUYTREN
1 R EUGENE DELACROIX, 91210 DRAVEIL
☎ 0169836363Activité de soin et de pharmacie

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Top publications · les plus citées

Breast tissue imaging atlas using ultra-fast confocal microscopy to identify cancer lesions

Virchows Archiv : an international journal of pathology · 2025

📚 6 citations🎯 RCR 2.73🔓 Open Access📄 PDF gratuit ↗

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Abstract New generation ultra-fast fluorescence confocal microscopy (UFCM) allows to image histological architecture of fresh breast tissue and may be used for ex vivo intraoperative analysis for margin status. The criteria to identify breast tumoral and non-tumoral tissues in UFCM images are still objects of investigation. The objective of the study was to create an atlas of ex vivo UFCM images of breast tissues and breast carcinomas based on the first extensive collection of large field-of-view UFCM breast images. One hundred sixty patients who underwent conserving surgery for breast cancer were included. Their fresh surgical specimens were sliced, stained with acridine orange, and imaged at high resolution with large-field-of-view UFCM. The resulting images were digitally false colored to resemble frozen sections. Each UFCM image was correlated with the corresponding definitive histology. Representative images of normal tissue, inflammation, benign lesions, invasive carcinoma (IC), and ductal carcinoma in situ (DCIS) were collected. A total of 320 large-field images were recorded from 58 IC of no special type, 44 invasive lobular carcinomas, 1 invasive mucinous carcinoma, 47 DCIS, 2 lobular carcinomas in situ, and 8 specimens without cancer. Representative images of the main components of the normal breast and the main types of ICs and DCIS were annotated to establish an UFCM atlas. UFCM enables the imaging of the fresh breast tissue sections. Main morphological criteria defined in traditional histopathology such as tissue architecture and cell features can be applied to describe UFCM images content. The generated atlas of the main normal or tumoral tissue features will support the adoption of this optical technology for the intraoperative examination of breast specimens in clinical practice as it can be used to train physicians on UFCM images and develop artificial intelligence algorithms. Further studies are needed to document rare breast lesions.

High expression of BTN3A1 is associated with clinical and immunological characteristics and predicts a poor prognosis in advanced human gliomas

Frontiers in immunology · 2024

📚 5 citations🔓 Open Access📄 PDF gratuit ↗

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IntroductionGliomas represent the most prevalent and aggressive tumors within the central nervous system. Despite the current standard treatments, the median survival time for glioblastoma patients remains dismal, hovering around 14 months. While attempts have been made to inhibit the PD-1/PD-L1 and CTLA-4/CD80-CD86 axes through immunotherapy, the outcomes have yet to demonstrate significant efficacy. The immune checkpoint Butyrophilin 3A1 (BTN3A1) can either be involved in advantageous or detrimental function depending on the cancer type.MethodsIn our study, we utilized a Moroccan cohort to delve into the role of BTN3A1 in gliomas. A transcriptomic analysis was conducted on 34 patients, which was then corroborated through a protein analysis in 27 patients and validated using the TCGA database (n = 667).ResultsOur results revealed an elevated expression of BTN3A1 in glioblastoma (grade 4), as evidenced in both the TCGA database and our cohort of Moroccan glioma patients. Within the TCGA cohort, BTN3A1 expression was notably higher in patients with wild-type IDH. We observed a positive correlation between BTN3A1 expression and immune infiltration of B cells, CD8+ T cells, naive CD4+ T cells, and M2 macrophages. Patients exhibiting increased BTN3A1 expression also presented elevated levels of TGF‐β, IL‐10, and TIM‐3 compared to those with reduced BTN3A1 expression. Notably, patients with high BTN3A1 expression were associated with a poorer prognosis than their counterparts with lower expression.ConclussionOur findings suggest that BTN3A1 might promote the establishment of an immunosuppressive microenvironment. Consequently, targeting BTN3A1 could offer novel therapeutic avenues for the management of advanced gliomas.

Improving the maternity experience for Black, African, Caribbean and mixed-Black families in an integrated care system: a multigroup community and interprofessional co-production prioritisation exercise using nominal group technique

BMJ quality & safety · 2025

📚 3 citations🔓 Open Access📄 PDF gratuit ↗

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Background Ethnic inequities in maternity care persist in England for Black, African, Caribbean and mixed-Black heritage families, resulting in poorer care experiences and health outcomes than other minoritised ethnic groups. Co-production using an integrated care approach is crucial for reducing these disparities and improving care quality and safety. Therefore, this study aimed to understand the alignment of health and local authority professional perspectives with community needs on how to improve maternity experiences for this ethnic group within a London integrated care system (ICS). Methods Between March and June 2024, five workshops were conducted with health professionals, local authorities, voluntary, community and social enterprise (VCSE) sector and the public from Black, African, Caribbean and mixed-Black heritage backgrounds across the North West London ICS. Using the nominal group technique (NGT), attendees prioritised ideas to improve the experience of maternity care for families from Black, African, Caribbean and mixed-Black heritage backgrounds, which were thematically synthesised using framework analysis. Results Fifty-four attendees, covering primary, secondary, regional and national health professionals, public health teams from three local authorities, VCSE sector and the public, generated 89 potential interventions across 11 themes. All attendees prioritised improving staff knowledge and capacity in culturally competent care and communication. Community-identified needs for advocacy mechanisms and mental health support throughout the maternity pathway were not reflected in professional priorities. Conclusion The study highlights the need for an integrated, community-centred approach beyond hospital settings when addressing ethnic inequities in maternity care, recognising key differences between community and professional priorities within an ICS. Leveraging lived experience expertise to lead the NGT community workshops was essential in building trust and buy-in of the overall prioritisation process.

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M Lakhdar KAÏDOUCHI

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Top publications · les plus citées

Publications scientifiques (50) — classées par pathologie

Transversal29

Case report / série11

Pédiatrie4

Revue générale4

Épidémiologie & registres2

Génétique1

Gériatrie1

IA en rhumatologie1

Pharmacovigilance1

Recommandations1

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