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  1. Article ; Online: Pharmacological and Parenteral Nutrition-Based Interventions in Microvillus Inclusion Disease

    Changsen Leng / Edmond H. H. M. Rings / Saskia N. de Wildt / Sven C. D. van IJzendoorn

    Journal of Clinical Medicine, Vol 10, Iss 22, p

    2021  Volume 22

    Abstract: Microvillus inclusion disease (MVID) is a rare inherited and invariably fatal enteropathy, characterized by severe intractable secretory diarrhea and nutrient malabsorption. No cure exists, and patients typically die during infancy because of treatment- ... ...

    Abstract Microvillus inclusion disease (MVID) is a rare inherited and invariably fatal enteropathy, characterized by severe intractable secretory diarrhea and nutrient malabsorption. No cure exists, and patients typically die during infancy because of treatment-related complications. The need for alternative treatment strategies is evident. Several pharmacological interventions with variable successes have been tried and reported for individual patients as part of their clinical care. Unfortunately, these interventions and their outcomes have remained hidden in case reports and have not been reviewed. Further, recent advances regarding MVID pathogenesis have shed new light on the outcomes of these pharmacological interventions and offer suggestions for future clinical research and trials. Hence, an inventory of reported pharmacological interventions in MVID, their rationales and outcomes, and a discussion of these in the light of current knowledge is opportune. Together with a discussion on MVID-specific pharmacokinetic, -dynamic, and -genetic concerns that pose unique challenges regarding pharmacological strategies, we envision that this paper will aid researchers and clinicians in their efforts to develop pharmacological interventions to combat this devastating disease.
    Keywords microvillus inclusion disease ; MYO5B ; myosin Vb ; congenital diarrheal disorder ; malabsorption ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2021-12-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Interleukin-23 receptor signaling impairs the stability and function of colonic regulatory T cells

    Justin Jacobse / Rachel E. Brown / Jing Li / Jennifer M. Pilat / Ly Pham / Sarah P. Short / Christopher T. Peek / Andrea Rolong / M. Kay Washington / Ruben Martinez-Barricarte / Mariana X. Byndloss / Catherine Shelton / Janet G. Markle / Yvonne L. Latour / Margaret M. Allaman / James E. Cassat / Keith T. Wilson / Yash A. Choksi / Christopher S. Williams /
    Ken S. Lau / Charles R. Flynn / Jean-Laurent Casanova / Edmond H.H.M. Rings / Janneke N. Samsom / Jeremy A. Goettel

    Cell Reports, Vol 42, Iss 2, Pp 112128- (2023)

    2023  

    Abstract: Summary: The cytokine interleukin-23 (IL-23) is involved in the pathogenesis of inflammatory and autoimmune conditions including inflammatory bowel disease (IBD). IL23R is enriched in intestinal Tregs, yet whether IL-23 modulates intestinal Tregs remains ...

    Abstract Summary: The cytokine interleukin-23 (IL-23) is involved in the pathogenesis of inflammatory and autoimmune conditions including inflammatory bowel disease (IBD). IL23R is enriched in intestinal Tregs, yet whether IL-23 modulates intestinal Tregs remains unknown. Here, investigating IL-23R signaling in Tregs specifically, we show that colonic Tregs highly express Il23r compared with Tregs from other compartments and their frequency is reduced upon IL-23 administration and impairs Treg suppressive function. Similarly, colonic Treg frequency is increased in mice lacking Il23r specifically in Tregs and exhibits a competitive advantage over IL-23R-sufficient Tregs during inflammation. Finally, IL-23 antagonizes liver X receptor pathway, cellular cholesterol transporter Abca1, and increases Treg apoptosis. Our results show that IL-23R signaling regulates intestinal Tregs by increasing cell turnover, antagonizing suppression, and decreasing cholesterol efflux. These results suggest that IL-23 negatively regulates Tregs in the intestine with potential implications for promoting chronic inflammation in patients with IBD.
    Keywords CP: Immunology ; Biology (General) ; QH301-705.5
    Subject code 610
    Language English
    Publishing date 2023-02-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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