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Torres-Sánchez ED, Salazar-Flores J, Gómez-Sandoval JR, Lomeli-Martinez SM. Membrane Fluidity and Oxidative Stress in Patients with Periodontitis. APPLIED SCIENCES 2023; 13:4546. [DOI: 10.3390/app13074546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Periodontitis leads to the destruction of dental tissue through polymicrobial interactions, inflammation, and increased oxidative stress. The aim of this study was to measure the levels of nitrates (NO3−), malondialdehyde (MDA), and membranal fluidity (MF) in the gingival tissue of subjects with or without periodontitis. A total of 120 participants from the Dentistry School of the University of Guadalajara were investigated. The study was approved by the ethics committee of our institution, with the registration number of CI-01221. The clinical parameters measured were probing depth (PD), clinical attachment level (CAL), and bleeding on probing (BoP). NO3− was measured using the Greiss reaction, while MDA was determined colorimetrically with the FR12 Kit (Oxford Biomedical Research). Membrane fluidity (MF) was measured using the quotient Ie/Im according to the method of Ortiz and collaborators. The Student t-test, Spearman correlation, and chi-square are used to calculate the results. The results showed higher levels of PD, CAL, and BoP in patients. There was a positive correlation between MF and PD. Moreover, MDA was positively correlated with PD and CAL. Increases in PD resulted in higher levels of NO3−, MDA, and MF. Similarly, increases in CAL resulted in higher levels of MDA and MF in patients. We conclude that PD and CAL facilitated the progression of periodontitis through increases in MDA and MF.
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Affiliation(s)
- Erandis Dheni Torres-Sánchez
- Department of Medical and Life Sciences, Centro Universitario de la Ciénega, University of Guadalajara, Ocotlán 47810, Jalisco, Mexico
| | - Joel Salazar-Flores
- Department of Medical and Life Sciences, Centro Universitario de la Ciénega, University of Guadalajara, Ocotlán 47810, Jalisco, Mexico
| | - Juan Ramón Gómez-Sandoval
- Periodontics Specialty Program, Department of Integrated Dentistry Clinics, Centro Universitario de Ciencias de la Salud, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
| | - Sarah M. Lomeli-Martinez
- Department of Medical and Life Sciences, Centro Universitario de la Ciénega, University of Guadalajara, Ocotlán 47810, Jalisco, Mexico
- Periodontics Specialty Program, Department of Integrated Dentistry Clinics, Centro Universitario de Ciencias de la Salud, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
- Institute of Research in Dentistry, Department of Integral Dental Clinics, Centro Universitario de Ciencias de la Salud, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
- Department of Wellbeing and Sustainable Development, Centro Universitario del Norte, Universidad de Guadalajara, Colotlán 46200, Jalisco, Mexico
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Wu W, Li WX, Huang CH. Phospholipase A 2, a nonnegligible enzyme superfamily in gastrointestinal diseases. Biochimie 2021; 194:79-95. [PMID: 34974145 DOI: 10.1016/j.biochi.2021.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 12/25/2021] [Accepted: 12/28/2021] [Indexed: 11/16/2022]
Abstract
Gastrointestinal tract is important for digestion, absorption, detoxification and immunity. Gastrointestinal diseases are mainly caused by the imbalance of protective and attacking factors in gastrointestinal mucosa, which can seriously harm human health. Phospholipase A2 (PLA2) is a large family closely involved in lipid metabolism and is found in almost all human cells. A growing number of studies have revealed that its metabolites are deeply implicated in various inflammatory pathways and also regulates the maintenance of numerous biological events such as dietary digestion, membrane remodeling, barrier action, and host immunity. In addition to their phospholipase activity, some members of the superfamily also have other catalytic activities. Based on the in-depth effects of phospholipase A2 on bioactive lipid metabolism and inflammatory cytokines, PLA2 and its metabolites are likely to be involved in the pathogenesis, development or prevention of gastrointestinal diseases. Therefore, this review will focus on the physiological and pathogenic roles of several important PLA2 enzymes in the gastrointestinal tract, and reveals the potential of PLA2 as a therapeutic target for gastrointestinal diseases.
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Affiliation(s)
- Wei Wu
- Queen Mary School, Medical Department, Nanchang University, Nanchang, Jiangxi, China
| | - Wen-Xuan Li
- Queen Mary School, Medical Department, Nanchang University, Nanchang, Jiangxi, China
| | - Chun-Hong Huang
- School of Basic Medical Sciences, 330006, Nanchang University, Nanchang, Jiangxi, China.
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