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Human PBMC-based humanized mice exhibit myositis features and serve as a drug evaluation model.
Inflamm Regen
January 2025
Oncology & Immunology Unit, Research Division, Mitsubishi Tanabe Pharma Corporation, Kanagawa, 227-0033, Japan.
Idiopathic inflammatory myopathies (IIMs) are a group of autoimmune disorders characterized by immune cell infiltration of muscle tissue accompanied by inflammation. Treatment of IIMs is challenging, with few effective therapeutic options due to the lack of appropriate models that successfully recapitulate the features of IIMs observed in humans. In the present study, we demonstrate that immunodeficient mice transplanted with human peripheral blood mononuclear cells (hPBMCs) exhibit the key pathologic features of myositis observed in humans and develop graft-versus-host disease.
View Article and Find Full Text PDFThe interaction of tPA with NMDAR1 drives neuroinflammation and neurodegeneration in α-synuclein-mediated neurotoxicity.
J Neuroinflammation
January 2025
Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA.
The thrombolytic protease tissue plasminogen activator (tPA) is expressed in the CNS, where it regulates diverse functions including neuronal plasticity, neuroinflammation, and blood-brain-barrier integrity. However, its role in different brain regions such as the substantia nigra (SN) is largely unexplored. In this study, we characterize tPA expression, activity, and localization in the SN using a combination of retrograde tracing and β-galactosidase tPA reporter mice.
View Article and Find Full Text PDFImpact of central corneal astigmatism on postoperative visual outcomes in patients undergoing trifocal intraocular lens implantation.
BMC Ophthalmol
January 2025
Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Xuhui District, Shanghai, 200031, China.
Background: To investigate the impact of central corneal astigmatism on postoperative visual outcomes in patients with trifocal intraocular lens (IOL) implantation.
Methods: This retrospective study included 278 eyes of 278 patients who underwent uneventful cataract surgery with implantation of the trifocal IOL (AT LISA tri 839MP). Patients were divided into two groups according to the total corneal refractive power (TCRP) in 3 mm zone centered on the corneal apex: low astigmatism group, TCRP ≤ 0.
Artificial dural regeneration matrix as a substitute for autologous tissue in indirect bypass in Moyamoya disease: Investigation of a rat model of chronic cerebral hypoperfusion.
Neurosurg Rev
January 2025
Department of Neurosurgery, Kumamoto University Hospital, 1-1-1 Honjo, 860-8556, Chuo-ku Kumamoto, Japan.
Indirect bypass using autologous tissue is effective in Moyamoya disease, especially among pediatric patients. This study aimed to evaluate the effectiveness of indirect bypass using DuraGen (absorbable artificial dura mater composed of collagen matrix), as a substitute for autologous tissue in a rat model of chronic cerebral hypoperfusion. Male Wistar rats were subjected to bilateral internal carotid artery occlusion and divided into three groups: a control group without bypass surgery, a group wherein indirect bypass was performed using the temporalis muscle (encephalo-myo-synangiosis [EMS] group), and a group wherein DuraGen was used (Dura group).
View Article and Find Full Text PDF[Functional disorders in chronic inflammatory bowel disease: the gut-brain axis].
Inn Med (Heidelb)
January 2025
Medizinische Klinik 2, Ludwig-Maximilians-Universität München, Marchioninistraße 15, 83477, München, Deutschland.
Background: In patients with inflammatory bowel diseases (IBD), functional complaints frequently persist after the clearing of inflammation and are clinically difficult to distinguish from symptoms of inflammation. In recent years, the influence of bidirectional communication between the gut and brain on gut physiology, emotions, and behavior has been demonstrated.
Research Questions: What mechanisms underlie the development of functional gastrointestinal complaints in patients with irritable bowel syndrome (IBS) and IBD? What therapeutic approaches arise from this?
Materials And Methods: Narrative review.
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