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sVEGFR3 alleviates myocardial ischemia/reperfusion injury through regulating mitochondrial homeostasis and immune cell infiltration.
Apoptosis
January 2025
Department of Cardiac Surgery, First Affiliated Hospital of Sun Yat-sen University, 58 Zhongshan II Rd, Guangzhou, 510080, China.
Recent studies have suggested that sVEGFR3 is involved in cardiac diseases by regulating lymphangiogenesis; however, results are inconsistent. The aim of this study was to investigate the function and mechanism of sVEGFR3 in myocardial ischemia/reperfusion injury (MI/RI). sVEGFR3 effects were evaluated in vivo in mice subjected to MI/RI, and in vitro using HL-1 cells exposed to oxygen-glucose deprivation/reperfusion.
View Article and Find Full Text PDFEx Vivo Fluorescence Confocal Microscopy for intraoperative evaluations of staple lines and surgical margins in specimens of the lung - a proof-of-concept study.
Mod Pathol
January 2025
Bielefeld University, Medical School and University Medical Center OWL, Lung Cancer Center Lippe, Department of Pathology, Klinikum Lippe Detmold, 32756 Detmold, Germany. Electronic address:
Intraoperative consultation is frequently used during the surgical treatment of lung tumors for the diagnosis of malignancy and the assessment of surgical margins. The latter is often problematic given the nature of the applied staple lines, which cannot be readily examined in frozen sections. Seventy-nine samples of surgical margins (71 staple lines and 8 open margins) from 52 lung specimens were examined using an ex vivo fluorescence confocal microscope (FCM).
View Article and Find Full Text PDFLabel-free quantitative imaging of conjunctival goblet cells.
Ocul Surf
January 2025
Division of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-gu, Pohang, Gyeongbuk, Republic of Korea, 37673; Department of Mechanical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-gu, Pohang, Gyeongbuk, Republic of Korea, 37673. Electronic address:
Purpose: To introduce and validate quantitative oblique back-illumination microscopy (qOBM) as a label-free, high-contrast imaging technique for visualizing conjunctival goblet cells (GCs) and assessing their functional changes.
Methods: qOBM was developed in conjunction with moxifloxacin-based fluorescence microscopy (MBFM), which was used for validating GC imaging. Initial validation was conducted with polystyrene beads, followed by testing on normal mouse conjunctiva under both ex-vivo and in-vivo conditions.
Spleen tyrosine kinase aggravates intestinal inflammation through regulating inflammatory responses of macrophage in ulcerative colitis.
Int Immunopharmacol
January 2025
Cheeloo College of Medicine, Shandong University, Jinan 250012, China; Department of Gastroenterology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining 272000, China. Electronic address:
Background: Ulcerative colitis (UC) is a persistent chronic, non-specific inflammatory disease, and macrophages play a crucial role in its pathogenesis. Spleen tyrosine kinase (Syk) is strongly associated with the pathogenesis of several inflammatory diseases. However, the role of Syk in the pathogenesis of UC is still obscure.
View Article and Find Full Text PDFA 2D cell segmentation protocol for monitoring multiple STAT signaling pathways by fluorescence microscopy.
STAR Protoc
January 2025
Gill Institute for Neuroscience, Program in Neuroscience, Department of Psychological and Brain Sciences Indiana University, Bloomington, IN 47405, USA. Electronic address:
Microscopic cell segmentation typically requires complex imaging, staining, and computational steps to achieve acceptable consistency. Here, we describe a protocol for the high-fidelity segmentation of the nucleus and cytoplasm in cell culture and apply it to monitor interferon-induced signal transducer and activator of transcription (STAT) signaling. We provide guidelines for sample preparation, image acquisition, and segmentation.
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