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| http://dx.doi.org/10.29271/jcpsp.2022.08.1094 | DOI Listing |
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Bi-Hormonal Endocrine Cell Presence Within the Islets of Langerhans of the Human Pancreas Throughout Life.
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January 2025
Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 3K7, Canada.
Bi-hormonal islet endocrine cells have been proposed to represent an intermediate state of cellular transdifferentiation, enabling an increase in beta-cell mass in response to severe metabolic stress. Beta-cell plasticity and regenerative capacity are thought to decrease with age. We investigated the ontogeny of bi-hormonal islet endocrine cell populations throughout the human lifespan.
View Article and Find Full Text PDFMesenchymal stem cell conditioned medium improves hypoxic injury to protect islet graft function.
Zhong Nan Da Xue Xue Bao Yi Xue Ban
August 2024
Department of Radiology, Third Xiangya Hospital, Central South University, Changsha 410013, China.
Objectives: Islet transplantation is one of the most promising curative methods for type 1 diabetes mellitus (T1DM), but early hypoxic death of the graft post-transplantation impedes successful treatment. To improve the efficacy of islet transplantation and enhance islet cell resistance to hypoxia, reducing hypoxic injury before revascularization is crucial. Mesenchymal stem cells (MSCs) are known to regulate immune responses and protect against hypoxic damage through paracrine mechanisms.
View Article and Find Full Text PDFImpact of Tacrolimus, Sirolimus, Age, and Body Mass Index on the Occurrence of Skin Cancer and Islet Dysfunction After Transplantation.
Cell Transplant
January 2025
Department of Translational Research & Cellular Therapeutics, Arthur Riggs Diabetes & Metabolism Research Institute, City of Hope, Duarte, CA, USA.
Herein, we characterized the percentage of tacrolimus to the combined sirolimus and tacrolimus trough levels (tacrolimus %) observed during islet transplant-associated immune suppression therapy with post-transplant skin cancer. Although trough levels of tacrolimus and sirolimus were not different ( = 0.79, 0.
View Article and Find Full Text PDFTargeted delivery of cytotoxic proteins lipid-based nanoparticles to primary Langerhans cells.
Nanoscale
January 2025
Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria.
Targeted delivery has emerged as a critical strategy in the development of novel therapeutics. The advancement of nanomedicine hinges on the safe and precise cell-specific delivery of protein-based therapeutics to the immune system. However, major challenges remain, such as developing an efficient delivery system, ensuring specificity, minimizing off-target effects, and attaining effective intracellular localization.
View Article and Find Full Text PDFHigh resolution chest computed tomography responses for a cohort of adult with pulmonary Langerhans cell histiocytosis.
Ann Hematol
January 2025
Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China.
Langerhans cell histiocytosis (LCH) is a heterogeneous histiocytosis with various pulmonary manifestations and imaging. We aim to evaluate the pulmonary response of LCH by high resolution chest computed tomography (HRCT) through continuous follow-up.We conducted a retrospective analysis of 73 adult LCH patients with pulmonary involvement.
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