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Local Administration of (-)-Epigallocatechin-3-Gallate as a Local Anesthetic Agent Inhibits the Excitability of Rat Nociceptive Primary Sensory Neurons.
Cells
January 2025
Laboratory of Food and Physiological Sciences, Department of Life and Food Sciences, School of Life and Environmental Sciences, Azabu University, 1-17-71, Fuchinobe, Chuo-ku, Sagamihara 252-5201, Kanagawa, Japan.
While the impact of (-)-epigallocatechin-3-gallate (EGCG) on modulating nociceptive secondary neuron activity has been documented, it is still unknown how EGCG affects the excitability of nociceptive primary neurons in vivo. The objective of the current study was to investigate whether administering EGCG locally in rats reduces the excitability of nociceptive primary trigeminal ganglion (TG) neurons in response to mechanical stimulation in vivo. In anesthetized rats, TG neuronal extracellular single unit recordings were made in response to both non-noxious and noxious mechanical stimuli.
View Article and Find Full Text PDFCharacterization of key flavor compounds in cinnamon bark oil extracts using principal component analysis.
Food Res Int
January 2025
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China. Electronic address:
Cinnamon is a widely used spice, known for its distinctive flavor and aromatic properties. Due to its lignified structure, the release of flavor components typically requires prolonged stewing (1-2 h). To simulate the release of flavor components during stewing, this study employed corn oil for extraction, avoiding the use of organic solvents.
View Article and Find Full Text PDFCytotoxic, Antioxidant, and Anti-Genotoxic Properties of Combretastatin A4 in Human Peripheral Blood Mononuclear Cells: A Comprehensive In Vitro Study.
Biomolecules
November 2024
Department of Pathobiology, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia.
Despite significant advances in drug discovery and the promising antitumor potential of combretastatin A4 (CA-4), which selectively targets rapidly dividing cancer cells, CA-4's effects on non-dividing human cells, such as peripheral blood mononuclear cells (PBMCs), remain unclear. The aim of this study is to evaluate the in vitro bioactivity of CA-4 in human PBMCs, focusing on its antigenotoxic and antioxidant properties, while comparing its cytotoxic potency against PBMCs, cancer cell lines (JAR and HeLa), and the normal trophoblast cell line HTR-8/SVneo. Cell viability and metabolic activity were evaluated using the MTT assay.
View Article and Find Full Text PDFNa-K-ATPase/GLT-1 interaction participates in EGCG protection against cerebral ischemia-reperfusion injury in rats.
Phytomedicine
January 2025
Hebei Key Laboratory of Critical Disease Mechanism and Intervention, Department of Pathophysiology, Neuroscience Research Center, The Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, 361 Zhongshan East Road, Shijiazhuang 050017, China. Electronic address:
Background: In China, stroke is the primary cause of adult death and disability. Because of the increased rate of blood vessel reperfusion, it is important to prevent cerebral ischemia-reperfusion injury, in which glutamate (Glu) excitotoxicity plays a critical role. The most important Glu transporter, GLT-1, is essential for the regulation of Glu, which is dependent on Na-K-ATPase (NKA)-induced ion concentration gradient differences.
View Article and Find Full Text PDFEffect of nanogold incorporation into polymethyl methacrylate denture bases on microbial activity in implant-retained mandibular overdentures.
Int J Implant Dent
January 2025
Lecturer at removable prosthodontic department, Faculty of dental medicine for Girls, Al-Azhar University, Cairo, Egypt.
Article Synopsis
- A clinical trial tested the effectiveness of adding nanogold particles to denture bases made of polymethyl methacrylate (PMMA) against standard acrylic bases, focusing on their impact on bacterial growth.
- Twenty-two male patients with no teeth received either traditional acrylic dentures or those enhanced with nanogold, and microbial growth was measured over time around the implants.
- Results showed that dentures with nanogold significantly reduced bacteria counts (Candida albicans, Escherichia coli, and Streptococcus mutans) at 2, 4, and 6 months compared to traditional dentures, suggesting a promising improvement in oral hygiene.
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