A cohort of 19 patients affected by chronic venous ulcers was recruited from our centre. A 4-mm punch biopsy from wound bed was taken before application of ALA 20% gel and repeated one hour after the first PDT irradiation. We observed a significant and progressive reduction of wounds mean volumes right after three ALA-PDT sessions (once per week; 4479.9 +/- 345.5 mm vs 34599 +/- 190.3 mm, p < .01). On immunofluorescence staining from biopsy specimens, we observed a change in all tested stains of post treatment specimens compared to pre-treatment ones. An increase of plasmacytoid dendritic cells (from 699 +/- 22 cells/0.018 mm to 1369 +/- 27 cells/0.018 mm, p < .0001); MHC-II expression (260.39 +/- 99.7 Red, Green, Blue [RGB 0-255] to 370.2 +/- 162.6 RGB (0-255), p < .01), TNF-alpha positive mast cells expression (49 +/- 0.3 cells/0.018 mm to 69 +/- 0.4 cells/0.018 mm, p < .001), TGF-beta expression (59.89 +/- 23.2 RGB (0-255)/cell vs 137.39 +/- 56.6 RGB (0-255)/cell, p < .01) and CD4+/CD25+ Treg cells (39 +/- 1 cells/0.018 mm vs 209 +/- 10 cells/0.018 mm, p < .001) was observed. An increase of TGF-beta was correlated in a statistical significant manner with a reduction of wounds' mean volumes.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.pdpdt.2017.12.012 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Mesenchymal stem cell therapy as a game-changer in liver diseases: review of current clinical trials.
Stem Cell Res Ther
January 2025
School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, 10F., Teaching & Research Building, Shuang-Ho Campus, No. 301, Yuantong Rd., Zhonghe Dist., Taipei, 235, Taiwan.
Chronic liver diseases, including cirrhosis and liver failure, remain formidable challenges due to their complex progression and limited therapeutic options. Mesenchymal stem cell (MSC) therapy has emerged as a game-changing approach, leveraging its potent immunomodulatory, anti-fibrotic, and regenerative capabilities, along with the ability to transdifferentiate into hepatocytes. This review delves into the latest advances in MSC-based treatments for chronic and end-stage liver diseases, as highlighted in current clinical trials.
View Article and Find Full Text PDFA mouse model of deep vein thrombosis by inferior vena cava hypoperfusion using ameroid constrictors.
Sci Rep
January 2025
Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, 2-3-2 Nakao, Asahi-ku, Yokohama, 241-8515, Kanagawa, Japan.
Traditional mouse models for deep vein thrombosis (DVT), frequently utilized in research focused on cancer-associated thrombosis (CAT), reliably induce thrombus formation by obstructing blood flow (BF) in the inferior vena cava (IVC), which does not occur in humans. Therefore, to develop a new DVT model for CAT studies, we implanted an ameroid constrictor (AC), a hygroscopic casein C-shape device, around the IVC and aorta of immunocompromised mice. We evaluated the thrombus 3 and 8 days post-AC implantation and compared it with the traditional model 2 days post-vena cava ligation.
View Article and Find Full Text PDFOptical coherence tomography angiography enables visualization of microvascular patterns in chronic venous insufficiency.
iScience
November 2024
Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.
Chronic venous insufficiency (CVI) is a global health concern with significant public health and individual impact. Currently available diagnostic methods cannot visualize microvenous pathologies that have shown to result in severe forms of CVI and also affect the skin. Optical coherence tomography angiography (OCTA) may close the CVI diagnostic gap by providing a fast, label-free, and non-invasive solution to visualize cutaneous microvasculature.
View Article and Find Full Text PDFFactors Affecting Outcomes of Percutaneous Transluminal Angioplasty for Central Vein Occlusive Disease in the University of the Philippines-Philippine General Hospital: A 10-Year Experience.
Acta Med Philipp
November 2024
Division of Thoracic, Cardiac and Vascular Surgery, Department of Surgery, College of Medicine and Philippine General Hospital, University of the Philippines Manila.
Objective: To describe the treatment outcomes of patients who underwent Percutaneous Transluminal Angioplasty (PTA) for Central Vein Occlusive Disease (CVOD) in end-stage kidney disease and determine the association between patient profile and treatment outcomes.
Methods: A single-institution, retrospective review of patients aged 18 and above with end-stage kidney disease who underwent PTA for CVOD in the University of the Philippines - Philippine General Hospital (UP-PGH) from January 1, 2013, to December 31, 2022, was performed. These patients' demographic and clinical profiles were evaluated using means, frequencies, and percentages.
Open Distal Venous Arterialization Technique as an Opportunity for Patients With Critical Limb Ischemia: A Latin American Experience.
Vasc Endovascular Surg
January 2025
Vascular Surgery Department, Hospital Militar Central, Bogotá, Colombia.
Background: Chronic limb-threatening ischemia (CLTI) leads to decreased quality of life and increased disease burden, resulting in progressive patient deterioration, limb amputation, and mortality.
Objectives: This study aims to present the outcomes of a Latin American experience using the open distal venous arterialization (DVA) technique for no-option limb salvage in a high volume CLTI center.
Methods: A retrospective case series study was performed including patients from 2018 to 2022 using a population from Bogotá, Colombia.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!