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To determine the possible role of matrix metallopeptidase (MMP)-8 and MMP-9 in the development of chronic subdural hematoma (CSDH), we investigated their expression in CSDH. In our previous study, we analyzed hematoma fluid and peripheral blood of 83 patients with CSDH, including 17 postoperative patients. Based on these results, we included 50 people in the normal group and analyzed 20 markers in the peripheral blood of each person. In order to identify representative markers, it was assessed by using overall differential gene expression. The concentration of MMP-8 was significantly higher in the normal group than that in the preoperative and postoperative groups. The concentration of MMP-9 was significantly lower in the normal group than in both preoperative and postoperative groups. Immunohistochemistry confirmed the expression of MMP-8 and MMP-9 in CSDH membranes. In conclusion, our results provide evidence of the expression of MMP-8 and MMP-9 in CSDH. In addition, the expression of MMP-8 and MMP-9 suggests angiogenesis in CSDH formation.
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http://dx.doi.org/10.3389/fneur.2022.988854 | DOI Listing |
Phytomedicine
August 2025
School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei 071002, China; Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding, Hebei 071002, China; Engineering Research Center of Ecological Safety and Conservation in Beijing-T
Background: Leonurus japonicus (Chinese motherwort) is a medicinal plant that is widely used in Asia. The fermentation of plant materials can produce bioactive compounds through a series of biochemical reactions that alter the substrate's chemical composition. However, research on the effective components of l.
View Article and Find Full Text PDFBr J Anaesth
August 2025
Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Imperial College London, London, UK; Department of Critical Care, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK. Electronic address:
Background: Circulating neutrophil-derived extracellular vesicles (NEVs) may contribute to the pathophysiology of acute kidney injury by causing glomerular endothelial inflammation.
Methods: NEVs were first isolated from ex vivo, lipopolysaccharide stimulation of whole blood taken from healthy volunteers (median age [interquartile range {IQR}]: 32 [26–42] yr; 47% female), and also from plasma of COVID-19 patients with acute respiratory distress syndrome (median age [IQR]: 59 [52–66] yr; 45% female). NEVs were incubated for 4 h in a co-culture of peripheral blood mononuclear cells and either human umbilical vein endothelial cells or renal glomerular endothelial cells.
Sci Rep
August 2025
Department of Physical Therapy for Surgery , Faculty of Physical Therapy, South Valley University, Qena, 83523, Egypt.
Purpose: The purpose of this study was to compare the modulation effects of Microcurrent Therapy (MT) and Low-Level Laser Therapy (LLLT) on Matrix Metalloproteinases (MMPs) and tissue inhibitors of Metalloproteinases (TIMPs) expressions during healing of surgical wounds using appendectomy wound as a model.
Methods: Ninety patients who recently underwent appendectomy were randomly divided into 3 main groups of equal numbers. All cases in the three groups received ordinary medical therapy.
J Infect Dis
August 2025
Centre for Tropical Medicine and Global health, Nuffield Department of Medicine, Oxford University, Oxford UK.
We characterised cerebral infarctions in children with TBM and explored their relationship with systemic inflammatory mediators using targeted transcriptomic analysis. Children with TBM had baseline MRI scans and whole blood RNA sequencing for matrix metalloproteinases (MMP-8, MMP-9, TIMP-1), cytokines (IL-10, IL-1β, TNF-α, IFN-γ), and growth factors (VEGF). 22(73%) children had mild disease; 19 (63%) had cerebral infarctions, which were commonly acute (9; 47%), multiple (14; 74%) and bilateral (12; 63%), occurring in cerebral hemispheres (12; 59%), basal ganglia (10; 53%) and thalamus (5; 26%).
View Article and Find Full Text PDFUnlabelled: The pleiotropy of minocycline (MINO), including anti-inflammatory, antioxidant, anti-migratory, anti-MMP, and neuroprotective effects, has been extensively reported. A novel non-antibiotic minocycline derivative, 10-butyl ether minocycline (BEM), was synthesized to retain the pleiotropy of minocycline while minimizing side effects such as antibiotic resistance and gut dysbiosis. Previously, we showed that BEM reduced alcohol consumption in dependent murine and porcine models of Alcohol Use Disorder (AUD).
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