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de Abreu LM, da Silva CR, Bortoleto ALF, Nunes GB, Mingoti GZ. Development and validation of a minimally invasive protocol for assessing oxidative stress markers in exfoliated oral cells. Cytopathology 2024; 35:266-274. [PMID: 38009485 DOI: 10.1111/cyt.13337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/13/2023] [Accepted: 11/09/2023] [Indexed: 11/29/2023]
Abstract
OBJECTIVES This study aimed to develop and validate a minimally invasive protocol for characterizing oxidative stress markers in exfoliated oral cells. MATERIALS AND METHODS Exfoliated oral cells were collected from healthy volunteers. The protocol included the utilization of specific fluorescent probes to measure intracellular reactive oxygen species (ROS), mitochondrial membrane potential (ΔΨm) and reduced glutathione (GSH). Cells from each volunteer were divided into the positive and negative control groups, which were, respectively, exposed or not to hydrogen peroxide (H2 O2 ) aiming to induce the oxidative stress. Measurements of cell fluorescence were performed using a microscope equipped with epifluorescence. RESULTS The results showed that cells exposed to H2 O2 exhibited significantly higher intracellular expression of ROS compared to unexposed cells (positive control: 3851.25 ± 1227.0 vs, negative control: 1106.07 ± 249.6; p = 0.0338). On the contrary, cells exposed to H2 O2 displayed decreased expression of ΔΨm (p = 0.0226) and GSH (p = 0.0289) when compared to the negative control group (ΔΨm positive control: 14634.39 ± 1529.0 vs, negative control: 18897.60 ± 2338.0; and GSH positive control: 9011.08 ± 1900.0 vs, negative control: 15901.79 ± 2745.0). CONCLUSIONS The developed protocol proved to be effective in detecting and quantifying oxidative stress biomarkers, such as ROS, ΔΨm and GSH, in exfoliated oral cells. This minimally invasive approach offers a promising method to assess oxidative stress expression and may be clinically relevant in the evaluation of oral diseases associated with oxidative stress.
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Affiliation(s)
- Lukas Mendes de Abreu
- Oral Oncology Center, School of Dentistry, Campus Araçatuba, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Cintia Rodrigues da Silva
- Graduate Program in Veterinary Medicine, School of Agrarian And Veterinary Sciences, Campus Jaboticabal, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Ana Laura Ferreira Bortoleto
- Oral Oncology Center, School of Dentistry, Campus Araçatuba, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
| | - Giovana Barros Nunes
- Graduate Program in Veterinary Medicine, School of Agrarian And Veterinary Sciences, Campus Jaboticabal, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Gisele Zoccal Mingoti
- Oral Oncology Center, School of Dentistry, Campus Araçatuba, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
- Graduate Program in Veterinary Medicine, School of Agrarian And Veterinary Sciences, Campus Jaboticabal, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
- School of Veterinary Medicine, Laboratory of Reproductive Physiology, Campus Araçatuba, São Paulo State University (UNESP), Araçatuba, São Paulo, Brazil
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Gómez-Cabrera AS, González-Santiago AE, Rodríguez-Mora JF, Zúñiga-González GM, Gómez-Meda BC, Baptista-Rosas RC, Castañeda-Arellano R, Mercado-Sesma AR, Zúñiga LY, Sánchez-Parada MG. Amelioration of Cytogenotoxic Damage in Drug Abusers Supplemented with Folic Acid. Biomedicines 2024; 12:352. [PMID: 38397954 PMCID: PMC10886587 DOI: 10.3390/biomedicines12020352] [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: 12/30/2023] [Revised: 01/27/2024] [Accepted: 01/27/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Cytogenotoxic damage caused by the consumption of legal and illegal drugs in drug abusers has been demonstrated, primarily due to alterations in their antioxidant capacity, cellular repair mechanisms, and increased production of free radicals. Folic acid shows antioxidant activity by acting as a reducing agent, neutralizing present free radicals, and reducing genomic damage. METHODS The intervention involved administering 15 mg of folic acid, divided into three doses per day, to a group of 44 drug abusers. The frequency of nuclear abnormalities (NAs) was determined; micronuclei (MNs), nuclear buds (NBUDs), binucleated cells (BNs), abnormally condensed chromatin (CC), karyorrhexis (KX), pyknotic nuclei (PNs), and karyolysis (KL) were determined at different pre-treatment (baseline) and post-treatment time points at 15 and 30 days. Additionally, a group of 44 healthy individuals was used as the control group. RESULTS We observed a statistically significant decrease in the frequency of NAs in the drug abuser group (28.45 ± 17.74 before supplementation vs. 11.18 ± 7.42 at 15 days and 9.11 ± 10.9 at 30 days of supplementation). Specifically, it decreased the frequency of NBUDs, BNs, CC, KX, and PNs (p < 0.05). CONCLUSION Our study demonstrates a clear improvement in cytogenotoxic damage in drug abusers supplemented with folic acid.
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Affiliation(s)
- Alejandro Salvador Gómez-Cabrera
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico; (A.S.G.-C.); (J.F.R.-M.)
| | - Ana Elizabeth González-Santiago
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico; (A.S.G.-C.); (J.F.R.-M.)
| | - José Francisco Rodríguez-Mora
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico; (A.S.G.-C.); (J.F.R.-M.)
| | - Guillermo Moisés Zúñiga-González
- Laboratorio de Mutagénesis, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara 44340, Jalisco, Mexico;
| | - Belinda Claudia Gómez-Meda
- Instituto de Genética Humana Dr. Enrique Corona Rivera, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico;
| | - Raúl Cuauhtémoc Baptista-Rosas
- Departamento de Ciencias de la Salud-Enfermedad como Proceso Individual, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico (R.C.-A.); (L.Y.Z.)
- Unidad de Intervención de Medicina Crítica, Hospital General de Occidente, Secretaría de Salud Jalisco, Zapopan 45170, Jalisco, Mexico
| | - Rolando Castañeda-Arellano
- Departamento de Ciencias de la Salud-Enfermedad como Proceso Individual, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico (R.C.-A.); (L.Y.Z.)
| | - Arieh Roldán Mercado-Sesma
- Departamento de Ciencias de la Salud-Enfermedad como Proceso Individual, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico (R.C.-A.); (L.Y.Z.)
| | - Laura Yareni Zúñiga
- Departamento de Ciencias de la Salud-Enfermedad como Proceso Individual, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico (R.C.-A.); (L.Y.Z.)
| | - María Guadalupe Sánchez-Parada
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá 45425, Jalisco, Mexico; (A.S.G.-C.); (J.F.R.-M.)
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González-Santiago AE, Gómez-Cabrera AS, Baptista-Rosas RC, Zúñiga-González GM, Gómez-Meda BC, Navarro AAS, Sánchez-Parada MG. Cytogenotoxicity effects in addicts with multidrug consumption. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2024; 65:84-95. [PMID: 38353119 DOI: 10.1002/em.22584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/08/2024] [Accepted: 01/14/2024] [Indexed: 04/11/2024]
Abstract
Drug abuse is considered a global health problem with serious social impact. In recent decades, changes in drug consumption patterns have shown a clear rising trend in the use of multiple drugs. Although the buccal micronucleus cytome (BMCyt) assay has evaluated cytotoxicity in drug abuse, there has not been an approach that takes into account this pattern of multiple drug use. Therefore, in this study, we evaluate for the first time the cytogenotoxic effects in multidrug users, and its correlation with the amount consumed and years of abuse. This study was conducted on 166 individuals by the BMCyt assay. A total of 83 individuals with a history of multiple licit (alcohol and tobacco) and at least one illicit drug abuse (marijuana, methamphetamines, cocaine, and/or inhalants), and 83 healthy individuals, non-drug abusers were analyzed. The results showed that drug abusers had higher frequencies of nuclear abnormalities nuclear buds, binucleated cells, pyknotic nuclei (PNs), karyorrhexis (KX), and abnormally condensed chromatin when compared with healthy controls. Moreover, results suggests that the use of licit and illicit drugs is related to cytogenotoxic damage, as was shown by an upward trend in the frequency of nuclear abnormalities identified in groups 1 (alcohol + tobacco + at least one illicit drug) and 2 (tobacco + at least one illicit drug). Furthermore, a positive correlation was found in the different groups, between the years and the amount of consumption of some drugs (alcohol, methamphetamine, and tobacco) with cytotoxicity markers such as KL, KX, and PNs.
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Affiliation(s)
- Ana Elizabeth González-Santiago
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, Jalisco, Mexico
| | - Alejandro Salvador Gómez-Cabrera
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, Jalisco, Mexico
| | - Raúl Cuauhtémoc Baptista-Rosas
- Departamento de Ciencias de la Salud-Enfermedad como Proceso Individual, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, Jalisco, Mexico
- Unidad de intervención de Medicina Crítica, Hospital General de Occidente, Secretaría de Salud Jalisco, Zapopan, Jalisco, Mexico
| | - Guillermo Moisés Zúñiga-González
- Laboratorio de Mutagénesis, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico
| | - Belinda Claudia Gómez-Meda
- Instituto de Genética Humana Dr. Enrique Corona Rivera, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | - Ana Alondra Sobrevilla Navarro
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, Jalisco, Mexico
| | - María Guadalupe Sánchez-Parada
- Departamento de Ciencias Biomédicas, División de Ciencias de la Salud, Centro Universitario de Tonalá, Universidad de Guadalajara, Tonalá, Jalisco, Mexico
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Khowal S, Naqvi SH, Monga S, Jain SK, Wajid S. Assessment of cellular and serum proteome from tongue squamous cell carcinoma patient lacking addictive proclivities for tobacco, betel nut, and alcohol: Case study. J Cell Biochem 2018; 119:5186-5221. [PMID: 29236289 DOI: 10.1002/jcb.26554] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 11/30/2017] [Indexed: 02/06/2023]
Abstract
The intriguing molecular pathways involved in oral carcinogenesis are still ambiguous. The oral squamous cell carcinoma (OSCC) ranks as the most common type constituting more than 90% of the globally diagnosed oral cancers cases. The elevation in the OSCC incidence rate during past 10 years has an alarming impression on human healthcare. The major challenges associated with OSCC include delayed diagnosis, high metastatic rates, and low 5-year survival rates. The present work foundations on reverse genetic strategy and involves the identification of genes showing expressional variability in an OSCC case lacking addictive proclivities for tobacco, betel nut, and/or alcohol, major etiologies. The expression modulations in the identified genes were analyzed in 16 patients comprising oral pre-cancer and cancer histo-pathologies. The genes SCCA1 and KRT1 were found to down regulate while DNAJC13, GIPC2, MRPL17, IG-Vreg, SSFA2, and UPF0415 upregulated in the oral pre-cancer and cancer pathologies, implicating the genes as crucial players in oral carcinogenesis.
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Affiliation(s)
- Sapna Khowal
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Samar H Naqvi
- Molecular Diagnostics, Genetix Biotech Asia (P) Ltd., New Delhi, India
| | - Seema Monga
- Department of ENT, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi, India
| | - Swatantra K Jain
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
- Department of Biochemistry, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi, India
| | - Saima Wajid
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
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Antoniazzi RP, Lago FB, Jardim LC, Sagrillo MR, Ferrazzo KL, Feldens CA. Impact of crack cocaine use on the occurrence of oral lesions and micronuclei. Int J Oral Maxillofac Surg 2018; 47:888-895. [PMID: 29336931 DOI: 10.1016/j.ijom.2017.12.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 10/15/2017] [Accepted: 12/07/2017] [Indexed: 11/15/2022]
Abstract
The aim of this study was to investigate the occurrence of oral lesions and micronuclei in crack cocaine users. A cross-sectional study was conducted involving 106 crack users and 106 non-users matched for age, sex, and tobacco use. Socio-demographic characteristics, the consumption of psychoactive substances, and the occurrence of fundamental lesions were investigated. Cellular changes in the oral mucosa (karyolysis, karyorrhexis, 'broken egg' events, and micronuclei) were determined by exfoliative cytology for 54 participants in each group. Crack users had a greater occurrence of fundamental lesions (P=0.001). Furthermore, they had higher mean occurrences of micronuclei (17.25 vs. 3.80), karyolysis (12.39 vs. 9.46), and karyorrhexis (30.39 vs. 10.11) (number per 1000 cells) than non-users (all P<0.05). No difference between the groups was found with regard to broken egg events (P>0.05). After controlling for confounding variables, fundamental lesions were 2.02-fold more frequent and micronuclei were 3.54-fold more frequent in crack users. Crack use was found to be associated with clinical and cellular changes in the oral mucosa. These findings can contribute to the planning of health care for individuals who are dependent on street drugs.
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Affiliation(s)
- R P Antoniazzi
- School of Dentistry, Centro Universitário Franciscano, Santa Maria, Rio Grande do Sul, Brazil; Health and Life Sciences Programme, Centro Universitário Franciscano, Santa Maria, Rio Grande do Sul, Brazil.
| | - F B Lago
- School of Dentistry, Centro Universitário Franciscano, Santa Maria, Rio Grande do Sul, Brazil
| | - L C Jardim
- Health and Life Sciences Programme, Centro Universitário Franciscano, Santa Maria, Rio Grande do Sul, Brazil
| | - M R Sagrillo
- Biomedicine Programme, Centro Universitário Franciscano, Santa Maria, Rio Grande do Sul, Brazil
| | - K L Ferrazzo
- Department of Stomatology, School of Dentistry, Universidade Federal de Santa Maria (UFSM), Santa Maria, Rio Grande do Sul, Brazil
| | - C A Feldens
- Postgraduate Programme in Dentistry, Lutheran University of Brazil, Canoas, Rio Grande do Sul, Brazil
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Benvindo-Souza M, Assis RA, Oliveira EAS, Borges RE, Santos LRDS. The micronucleus test for the oral mucosa: global trends and new questions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27724-27730. [PMID: 29152700 DOI: 10.1007/s11356-017-0727-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 11/08/2017] [Indexed: 06/07/2023]
Abstract
This study reviews global trends in the publication of papers on the micronucleus test of the exfoliated cells of the oral mucosa in mammals as an approach for environmental biomonitoring. This test has been widely used due to its precision for the detection of chromosome damage. Our temporal analysis showed a significant increase (p < 0.05) in the publication of papers on the oral mucosa over the past 33 years. Brazil was the country that published most papers (24% of the total), followed by India (16%), the USA (10%), Mexico (7%), and Turkey (6%). A further 30 countries contributed the other 37% of the papers. Overall, 99% of the micronucleus studies involved human subjects, and only 1% involved other mammals. As many wild mammals are subject to the same environmental pressures as humans, in particular chemical pollution, it seems likely that many species are equally susceptible to genotoxicogical damage. We emphasize the importance of applying this technique to the analysis of the oral mucosa of wild mammals, as well as the evaluation of its effectiveness, as observed in humans, and the expansion of the available approaches to the monitoring of environmental quality.
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Affiliation(s)
- Marcelino Benvindo-Souza
- Laboratório de Biologia Animal, Instituto Federal Goiano, IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, GO, CEP 75.901-970, Brazil
| | - Rhayane Alves Assis
- Laboratório de Biologia Animal, Instituto Federal Goiano, IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, GO, CEP 75.901-970, Brazil
| | - Eliane Andreia Santos Oliveira
- Laboratório de Biologia Animal, Instituto Federal Goiano, IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, GO, CEP 75.901-970, Brazil
| | - Rinneu Elias Borges
- Departamento de Biologia, Universidade de Rio Verde, UniRV, Fazenda Fontes do Saber, Rio Verde, GO, CEP: 75.901-970, Brazil
| | - Lia Raquel de Souza Santos
- Laboratório de Biologia Animal, Instituto Federal Goiano, IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, GO, CEP 75.901-970, Brazil.
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Kreling PF, Aida KL, Massunari L, Caiaffa KS, Percinoto C, Bedran TBL, Spolidorio DMP, Abuna GF, Cilli EM, Duque C. Cytotoxicity and the effect of cationic peptide fragments against cariogenic bacteria under planktonic and biofilm conditions. BIOFOULING 2016; 32:995-1006. [PMID: 27538256 DOI: 10.1080/08927014.2016.1218850] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Accepted: 07/25/2016] [Indexed: 06/06/2023]
Abstract
This study evaluated the cytotoxicity and effect of fragments derived from three oral cationic peptides (CP): LL-37, D6-17 and D1-23 against cariogenic bacteria under planktonic and biofilm conditions. For cytotoxicity analysis, two epithelial cell lines were used. The minimum inhibitory concentration and the minimal bactericidal concentration were determined for the CP fragments and the control (chlorhexidine-CHX) against cariogenic bacteria. The fractional inhibitory concentration was obtained for the combinations of CP fragments on Streptococcus mutans. Biofilm assays were conducted with the best antimicrobial CP fragment against S. mutans. The results indicated that D6-17 was not cytotoxic. D1-23, LL-37 and CHX were not cytotoxic in low concentrations. D1-23 presented the best bactericidal activity against S. mutans, S. mitis and S. salivarius. Combinations of CP fragments did not show a synergic effect. D1-23 presented a higher activity against S. mutans biofilm than CHX. It was concluded that D1-23 showed a substantial effect against cariogenic bacteria and low cytotoxicity.
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Affiliation(s)
- Paula Fernanda Kreling
- a Department of Pediatric Dentistry and Public Health, Araçatuba Dental School , UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
| | - Kelly Limi Aida
- a Department of Pediatric Dentistry and Public Health, Araçatuba Dental School , UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
| | - Loiane Massunari
- b Department of Restorative Dentistry (Endodontics) , Araçatuba Dental School, UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
| | - Karina Sampaio Caiaffa
- b Department of Restorative Dentistry (Endodontics) , Araçatuba Dental School, UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
| | - Célio Percinoto
- a Department of Pediatric Dentistry and Public Health, Araçatuba Dental School , UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
| | - Telma Blanca Lombardo Bedran
- c Department of Physiology and Pathology , Araraquara Dental School, UNESP - Universidade Estadual Paulista , Araraquara , São Paulo , Brazil
| | - Denise Madalena Palomari Spolidorio
- c Department of Physiology and Pathology , Araraquara Dental School, UNESP - Universidade Estadual Paulista , Araraquara , São Paulo , Brazil
| | - Gabriel Flores Abuna
- d Department of Dental Materials , Piracicaba Dental School, UNICAMP - Universidade de Campinas , Piracicaba , São Paulo , Brazil
| | - Eduardo Maffud Cilli
- e Department of Biochemistry and Chemical Technology , Institute of Chemistry, UNESP - Universidade Estadual Paulista , Araraquara , São Paulo , Brazil
| | - Cristiane Duque
- a Department of Pediatric Dentistry and Public Health, Araçatuba Dental School , UNESP - Universidade Estadual Paulista , Araçatuba , São Paulo , Brazil
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