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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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Dhillon VS, Deo P, Fenech M. Effect of Selenium and Lycopene on Radiation Sensitivity in Prostate Cancer Patients Relative to Controls. Cancers (Basel) 2023; 15:cancers15030979. [PMID: 36765936 PMCID: PMC9913686 DOI: 10.3390/cancers15030979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/28/2023] [Accepted: 02/02/2023] [Indexed: 02/05/2023] Open
Abstract
Almost half of prostate cancer (PC) patients receive radiation therapy as primary curative treatment. In spite of advances in our understanding of both nutrition and the genomics of prostate cancer, studies on the effects of nutrients on the radiation sensitivity of PC patients are lacking. We tested the hypothesis that low plasma levels of selenium and lycopene have detrimental effects on ionising radiation-induced DNA damage in prostate cancer patients relative to healthy individuals. The present study was performed in 106 PC patients and 132 age-matched controls. We found that the radiation-induced micronucleus (MN) and nuclear buds (NBuds) frequencies were significantly higher in PC patients with low selenium (p = 0.008 and p = 0.0006 respectively) or low lycopene (p = 0.007 and p = 0.0006 respectively) levels compared to the controls. The frequency of NBuds was significantly higher (p < 0.0001) in PC patients who had low levels of both selenium and lycopene compared to (i) controls with low levels of both selenium and lycopene and (ii) PC patients with high levels of both selenium and lycopene (p = 0.0001). Our results support the hypothesis that low selenium and lycopene levels increase the sensitivity to radiation-induced DNA damage and suggest that nutrition-based treatment strategies are important to minimise the DNA-damaging effects in PC patients receiving radiotherapy.
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Affiliation(s)
- Varinderpal S. Dhillon
- Health and Biomedical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- Correspondence: (V.S.D.); (M.F.)
| | - Permal Deo
- Health and Biomedical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
| | - Michael Fenech
- Health and Biomedical Innovation, Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia
- Genome Health Foundation, North Brighton 5048, Australia
- Correspondence: (V.S.D.); (M.F.)
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Alshana U, Altun B, Ertaş N, Çakmak G, Kadioglu E, Hisarlı D, Aşık E, Atabey E, Çelebi CR, Bilir N, Serçe H, Tuncer AM, Burgaz S. Evaluation of low-to-moderate arsenic exposure, metabolism and skin lesions in a Turkish rural population exposed through drinking water. CHEMOSPHERE 2022; 304:135277. [PMID: 35688195 DOI: 10.1016/j.chemosphere.2022.135277] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/03/2022] [Accepted: 06/05/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND There is no human data regarding the exposure, metabolism and potential health effects of arsenic (As) contamination in drinking water in the Central Anatolian region of Turkey. METHODS Residents in ten villages with drinking water of total As (T-As) level >50 μg L-1 and 10-50 μg L-1 were selected as an exposed group (n = 420) and <10 μg L-1 as an unexposed group (n = 185). Time-weighted average-As (TWA-As) intake was calculated from T-As analysis of drinking water samples. Concentrations of T-As in urine and hair samples, urinary As species [i.e., As(III), As(V), MMA(V) and DMA(V], and some micronutrients in serum samples of residents of the study area were determined. Primary and secondary methylation indices (PMI and SMI, respectively) were assessed from urinary As species concentrations and the presence of skin lesion was examined. RESULTS TWA-As intake was found as 75 μg L-1 in the exposed group. Urinary and hair T-As and urinary As species concentrations were significantly higher in the exposed group (P < 0.05). The PMI and SMI values revealed that methylation capacities of the residents were efficient and that there was no saturation in As metabolism. No significant increase was observed in the frequency of skin lesions (hyperpigmentation, hypopigmentation, keratosis) of the exposed group (P > 0.05). Only frequency of keratosis either at the hand or foot was higher in individuals with hair As concentration >1 μg g-1 (P < 0.05). CONCLUSIONS Individuals living in the study area were chronically exposed to low-to-moderate As due to geological contamination in drinking water. No significant increase was observed in the frequency of skin lesions. Because of the controversy surrounding the health risks of low-to-moderate As exposure, it is critical to initiate long-term follow-up studies on health effects in this region.
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Affiliation(s)
- Usama Alshana
- Gazi University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey
| | - Beril Altun
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Nusret Ertaş
- Gazi University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey
| | - Gonca Çakmak
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Ela Kadioglu
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey
| | - Deniz Hisarlı
- Middle East Technical University, Department of Biochemistry, Ankara, Turkey
| | - Elif Aşık
- Middle East Technical University, Department of Biotechnology, Ankara, Turkey
| | - Eşref Atabey
- General Directorate of Mineral Research and Exploration, Ankara, Turkey
| | | | - Nazmi Bilir
- Hacettepe University, Faculty of Medicine, Department of Public Health, Ankara, Turkey
| | - Hakan Serçe
- Ürgüp State Hospital, Turkish Ministry of Health, Nevşehir, Turkey
| | - A Murat Tuncer
- Turkish Ministry of Health, Cancer Control Department, Ankara, Turkey
| | - Sema Burgaz
- Gazi University, Faculty of Pharmacy, Department of Toxicology, Ankara, Turkey.
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Mitigation of Iron Irradiation-Induced Genotoxicity and Genomic Instability by Postexposure Dietary Restriction in Mice. BIOMED RESEARCH INTERNATIONAL 2021; 2021:2888393. [PMID: 34926683 PMCID: PMC8677402 DOI: 10.1155/2021/2888393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/05/2021] [Indexed: 11/17/2022]
Abstract
Background and Purpose. Postexposure onset of dietary restriction (DR) is expected to provide therapeutic nutritional approaches to reduce health risk from exposure to ionizing radiation (IR) due to such as manned space exploration, radiotherapy, or nuclear accidents as IR could alleviate radiocarcinogenesis in animal models. However, the underlying mechanisms remain largely unknown. This study is aimed at investigating the effect from postexposure onset of DR on genotoxicity and genomic instability (GI) induced by total body irradiation (TBI) in mice. Materials and Methods. Mice were exposed to 2.0 Gy of accelerated iron particles with an initial energy of 500 MeV/nucleon and a linear energy transfer (LET) value of about 200 keV/μm. After TBI, mice were either allowed to free access to a standard laboratory chow or treated under DR (25% cut in diet). Using micronucleus frequency (MNF) in bone marrow erythrocytes, induction of acute genotoxicity and GI in the hematopoietic system was, respectively, determined 1 and 2 months after TBI. Results and Conclusions. TBI alone caused a significant increase in MNF while DR alone did not markedly influence the MNF. DR induced a significant decrease in MNF compared to the treatment by TBI alone. Results demonstrated that postexposure onset of DR could relieve the elevated MNF induced by TBI with high-LET iron particles. These findings indicated that reduction in acute genotoxicity and late GI may be at least a part of the mechanisms underlying decreased radiocarcinogenesis by DR.
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Psyrri A, Gkotzamanidou M, Papaxoinis G, Krikoni L, Economopoulou P, Kotsantis I, Anastasiou M, Souliotis VL. The DNA damage response network in the treatment of head and neck squamous cell carcinoma. ESMO Open 2021; 6:100075. [PMID: 33714009 PMCID: PMC7957155 DOI: 10.1016/j.esmoop.2021.100075] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/31/2021] [Accepted: 02/03/2021] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND We sought to determine whether DNA damage response (DDR)-related aberrations predict therapeutic benefit in cisplatin-treated head and neck squamous cell carcinoma (HNSCC) patients and how DDR pathways are modulated after treatment with olaparib alone or in combination with cisplatin or durvalumab. PATIENTS AND METHODS Oxidative stress, abasic sites and DDR-related parameters, including endogenous DNA damage, DNA repair mechanisms and apoptosis rates, were evaluated in HNSCC cell lines and peripheral blood mononuclear cells from 46 healthy controls (HC) and 70 HNSCC patients at baseline and following treatment with cisplatin-containing chemoradiation or nivolumab or enrolled in the OPHELIA phase II trial (NCT02882308; olaparib alone, olaparib plus cisplatin, olaparib plus durvalumab). RESULTS HNSCC patients at diagnosis exhibited deregulated DDR-related parameters and higher levels of oxidative stress and abasic sites compared with HC (all P < 0.05). Accordingly, nucleotide excision repair (NER; ERCC1, ERCC2/XPD, XPA, XPC) and base excision repair (APEX1, XRCC1) genes were downregulated in patients versus HC whereas double-strand breaks repair (MRE11A, RAD50, RAD51, XRCC2) and mismatch repair (MLH1, MSH2, MSH3) genes were overexpressed. Corresponding results were obtained in cell lines (all P < 0.001). Excellent correlations were observed between individual ex vivo and in vivo/therapeutic results, with cisplatin non-responders showing higher levels of endogenous DNA damage, augmented oxidative stress and abasic sites, increased NER capacities and reduced apoptosis than responders (all P < 0.05). Also, longer progression-free survival correlated with lower NER capacity (P = 0.037) and increased apoptosis (P = 0.029). Interestingly, treatment with olaparib-containing regimens results in the accumulation of cytotoxic DNA damage and exerts an extra antitumor effect by elevating oxidative stress (all P < 0.05). Nivolumab induced no significant changes in the DDR parameters examined. CONCLUSIONS Aberrations in DDR signals are implicated in the response to HNSCC chemotherapy and can be exploited as novel therapeutic targets, sensitive/effective non-invasive biomarkers as well as for the design of novel clinical trials.
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Affiliation(s)
- A Psyrri
- Section of Medical Oncology, Department of Internal Medicine, Faculty of Medicine, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - M Gkotzamanidou
- Section of Medical Oncology, Department of Internal Medicine, Faculty of Medicine, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - G Papaxoinis
- Agios Savvas Anticancer Hospital, Athens, Greece
| | - L Krikoni
- Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece
| | - P Economopoulou
- Section of Medical Oncology, Department of Internal Medicine, Faculty of Medicine, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - I Kotsantis
- Section of Medical Oncology, Department of Internal Medicine, Faculty of Medicine, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - M Anastasiou
- Section of Medical Oncology, Department of Internal Medicine, Faculty of Medicine, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - V L Souliotis
- Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece; First Department of Propaedeutic Internal Medicine and Joint Rheumatology Program, National and Kapodistrian University of Athens, Athens, Greece.
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Bolognesi C, Bruzzone M, Ceppi M, Marcon F. Micronuclei and upper body cancers (head, neck, breast cancers) a systematic review and meta-analysis. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2021; 787:108358. [PMID: 34083052 DOI: 10.1016/j.mrrev.2020.108358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 11/10/2020] [Accepted: 11/18/2020] [Indexed: 12/24/2022]
Abstract
A systematic review and a meta-analysis were performed on 19 studies on head and neck cancer (HNC) and 21 studies on breast cancer (BC) to evaluate the application of micronucleus (MN) assay as a predictive and prognostic test for cancer risk. In these studies the MN test was applied in peripheral lymphocytes and buccal cells of patients and healthy subjects with family history of cancer. The meta-analysis on MN applied in buccal cells of HNC patients was performed on two subgroups of studies. A significant increase of MN frequency in patients compared to healthy controls was observed for the subgroup on oral cancer (243 cases/370 controls, meta-MR = 4.71 95 %CI:2.75-8.06) and HNC (204 patients/163 controls metaMR=2.28 95 %CI:2.02-2.58). A metaMR = 3.27 (95 %CI:1.41-7.59) was obtained for MN applied in peripheral lymphocytes on HNC (160 cases/160 controls). For BC, the analysis of MN in peripheral lymphocytes showed significantly higher values in patients (n = 761) than in controls (n = 788) (meta-MR1.90 95 % CI:1.44-2.49). No statistically significant increase of baseline MN was detected in studies on groups of healthy subjects with BC family history (n = 224) or with BRCA1/2 mutations (n = 101) with respect to the controls. After ex-vivo challenge with ionizing radiation, the meta-analysis revealed a slightly statistically significant increase in MN only in BC patients (n = 614) compared to controls (n = 622)(meta-MR = 1.11 95 %CI:1.02-1.21); no increase was observed in healthy subjects with BC family history carrying or not BRCA1/2 mutations. Significant difference between BC patients (n = 183) and controls (n = 165) was observed by the meta-analysis of data on MN in buccal cells (MR = 3.89 95 %CI:1.54-9.78). The MN assay in buccal cells has some perspective of clinical application in HNC.
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Affiliation(s)
- Claudia Bolognesi
- Environmental Carcinogenesis Unit, Ospedale Policlinico San Martino, Genoa, Italy.
| | - Marco Bruzzone
- Unit of Clinical Epidemiology, IRCCS Ospedale Policlinico San Martino, 16131 Genoa, Italy
| | - Marcello Ceppi
- Unit of Clinical Epidemiology, IRCCS Ospedale Policlinico San Martino, 16131 Genoa, Italy
| | - Francesca Marcon
- Dept. Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy
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Gashi G, Bahtiri E, Podrimaj-Bytyqi A, Morina L, Gashi L, Shabanaj L, Elezaj IR. Genomic instability in peripheral blood lymphocytes of patients diagnosed with high-grade squamous intraepithelial lesions: CIN 2 versus CIN 3. Mutat Res 2020; 854-855:503202. [PMID: 32660826 DOI: 10.1016/j.mrgentox.2020.503202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/14/2020] [Accepted: 05/27/2020] [Indexed: 12/11/2022]
Abstract
Cancer is a genomic disease associated with accumulation of genetic damage. Cancer-initiating events, such as chromosome breakage, loss and rearrangement, can be used as biomarkers to evaluate individual cancer risk. Cytokinesis-block micronucleus cytome (CBMN - Cyt) assay parameters in peripheral blood lymphocytes (PBL) of thirty four patients diagnosed with high-grade squamous intraepithelial lesions (HSIL) and fifteen healthy women were measured. The genomic instability of patients diagnosed with HSIL were investigated in order to compare differences between the two subgroups of HSIL (CIN 2 and CIN 3). The micronucleus (MN) frequencies in PBL, as well as the frequencies of nucleoplasmic bridges (NPB) and nuclear buds (NBUD) were higher in patients than in controls (Mann- Whitney test, p < 0.05). These results provide evidence that CBMN cytome assay in peripheral blood lymphocytes may be used to identify individuals who are at high risk of developing cervical cancer. Since the extent of DNA damage varies between CIN 2 and CIN 3, these findings support the CIN grading system.
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Affiliation(s)
- Goneta Gashi
- Department of Pathology, Faculty of Medicine, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo.
| | - Elton Bahtiri
- Department of Pharmacology, Faculty of Medicine, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
| | - Arjeta Podrimaj-Bytyqi
- Department of Pathology, Faculty of Medicine, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
| | - Luan Morina
- University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Luljeta Gashi
- Department of Radiology, Faculty of Medicine, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
| | - Leujeta Shabanaj
- Department of General Medicine, Faculty of Medicine, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
| | - Isa R Elezaj
- Department of Biology, Faculty of Natural Sciences, University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
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Bonassi S, Fenech M. Micronuclei and Their Association with Infertility, Pregnancy Complications, Developmental Defects, Anaemias, Inflammation, Diabetes, Chronic Kidney Disease, Obesity, Cardiovascular Disease, Neurodegenerative Diseases and Cancer. THE MICRONUCLEUS ASSAY IN TOXICOLOGY 2019. [DOI: 10.1039/9781788013604-00038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Micronuclei (MN) are a strong cytogenetic indicator of a catastrophic change in the genetic structure and stability of a cell because they originate from either chromosome breaks or whole chromosomes that have been lost from the main nucleus during cell division. The resulting genetic abnormalities can to lead to cellular malfunction, altered gene expression and impaired regenerative capacity. Furthermore, MN are increased as a consequence of genetic defects in DNA repair, deficiency in micronutrients required for DNA replication and repair and exposure to genotoxic chemicals and ultraviolet or ionising radiation. For all of these reasons, the measurement of MN has become one of the best-established methods to measure DNA damage in humans at the cytogenetic level. This chapter is a narrative review of the current evidence for the association of increased MN frequency with developmental and degenerative diseases. In addition, important knowledge gaps are identified, and recommendations for future studies required to consolidate the evidence are provided. The great majority of published studies show a significant association of increased MN in lymphocytes and/or buccal cells with infertility, pregnancy complications, developmental defects, anaemias, inflammation, diabetes, cardiovascular disease, kidney disease, neurodegenerative diseases and cancer. However, the strongest evidence is from prospective studies showing that MN frequency in lymphocytes predicts cancer risk and cardiovascular disease mortality.
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León-Mejía G, Luna-Rodríguez I, Trindade C, Oliveros-Ortíz L, Anaya-Romero M, Luna-Carrascal J, Navarro-Ojeda N, Ruiz-Benitez M, Franco-Valencia K, Da Silva J, Henriques JAP, Muñoz-Acevedo A, Quintana-Sosa M. Cytotoxic and genotoxic effects in mechanics occupationally exposed to diesel engine exhaust. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 171:264-273. [PMID: 30612014 DOI: 10.1016/j.ecoenv.2018.12.067] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 12/02/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
Diesel engine exhaust (DEE), which is the product of diesel combustion, is considered carcinogenic in humans. It comprises toxic gases, polycyclic aromatic hydrocarbons (PAHs) and particulate matter which can reach the pulmonary parenchyma and trigger various diseases, including cancer. The aim of the present study was to evaluate the potential cytotoxic and genotoxic effects of DEE exposure on peripheral blood and buccal epithelial cells in mechanics occupationally exposed to DEE. We recruited 120 exposed mechanics and 100 non-exposed control individuals. Significant differences were observed between the two groups in terms of percentage of tail DNA and damage index (DI) in the alkaline comet assay; levels of biomarkers by cytokinesis-block micronucleus cytome (CBMN-Cyt) assay; frequency of micronucleus (MN), nucleoplasmic bridge (NPB), nuclear bud (NBUD) and apoptotic cells (APOP) and levels of biomarkers for micronucleus, karyorrhexis (KRX), karyolysis (KRL) and condensed chromatin (CC) by the buccal micronucleus cytome (BM-Cyt) assay. A significant and positive correlation was found between the frequency of MN in lymphocytes and buccal cells in the exposed group. Also, there was a significant correlation between age and percentage of tail DNA and DI in the comet assay, APOP and MN in the CBMN-Cyt assay and NBUD and MN in the BM-Cyt assay. Additionally, we found a positive and significant correlation of MN frequency in lymphocytes and buccal cells and age and MN frequency in lymphocytes with the time of service (years). Regarding lifestyle-related factors, a significant correlation was observed between meat and vitamin consumption and NBUD formation on CBMN-Cyt and between meat consumption and MN formation on CBMN-Cyt. Of the BM-Cyt biomarkers, there was a correlation between alcohol consumption and NBUD formation and between binucleated cell (BN), pyknosis (PYC), CC and KRL occurrence and family cancer history. These results are the first data in Colombia on the cytotoxic and genotoxic effects induced by continuous exposure to DEE and thus showed the usefulness of biomarkers of the comet, CBMN-Cyt and BM-Cyt assays for human biomonitoring and evaluation of cancer risk in the exposed populations.
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Affiliation(s)
- Grethel León-Mejía
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia.
| | - Ibeth Luna-Rodríguez
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Cristiano Trindade
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Ludis Oliveros-Ortíz
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Marco Anaya-Romero
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Jaime Luna-Carrascal
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Nebis Navarro-Ojeda
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Martha Ruiz-Benitez
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Karen Franco-Valencia
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia
| | - Juliana Da Silva
- Laboratório de Genética Toxicológica, Universidade Luterana do Brasil (ULBRA), Canoas, RS, Brazil
| | - João Antônio Pêgas Henriques
- Departamento de Biofísica, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Amner Muñoz-Acevedo
- Grupo de Investigación en Química y Biología, Universidad del Norte, Barranquilla, Colombia
| | - M Quintana-Sosa
- Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Barranquilla, Colombia.
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11
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Lionetto MG, Caricato R, Giordano ME. Pollution Biomarkers in Environmental and Human Biomonitoring. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/1875318301909010001] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Environmental pollutants generate harmful conditions for living organisms, including humans. This accounts for the growing interest to early warning tools for detection of adverse biological responses to pollutants in both humans and wildlife. Molecular and cellular biomarkers of pollution meet this requirement. A pollution biomarker is defined as an alteration in a biological response occurring at molecular, cellular or physiological levels which can be related to exposure to or toxic effects of environmental chemicals.Pollution biomarkers have known a growing development in human and environmental biomonitoring representing a valuable tool for early pollutant exposure detection or early effect assessment (exposure/effect biomarkers).The review discusses the recent developments in the use of pollution biomarker in human and environmental biomonitoring and analyzes future perspectives in the application of this tool such as their potentiality for bridging human and environmental issued studies.
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12
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The frequencies of micronuclei, nucleoplasmic bridges and nuclear buds as biomarkers of genomic instability in patients with urothelial cell carcinoma. Sci Rep 2018; 8:17873. [PMID: 30552338 PMCID: PMC6294807 DOI: 10.1038/s41598-018-35903-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 11/09/2018] [Indexed: 01/30/2023] Open
Abstract
Bladder urothelial cell carcinoma (UCC) is an increasingly prevalent cancer worldwide, and thus, gaining a better understanding of its identifiable risk factors is a global priority. This study addressed this public health need with the understanding that cancer-initiating events, such as chromosome breakage, loss and rearrangement, can be reasonably used as biomarkers to evaluate an individual’s cancer risk. Overall, forty bladder cancer patients and twenty controls were evaluated for genomic instability. To the best of the investigators’ knowledge, this is the first study to perform micronucleus (MN) assays simultaneously in urothelial exfoliated cells (UEC), buccal exfoliated cells (BEC), and peripheral blood lymphocytes (PBL) in first-diagnosed, non-smoker bladder UCC patients. Additionally, the frequency of nucleoplasmic bridges (NPBs) and nuclear buds (NBUDs) in PBL was evaluated. The MN frequencies in UEC, BEC, and PBL, as well as the frequencies of NPBs and NBUDs, were significantly higher in patients than in controls. In conclusion, MN assays, particularly in UEC, may be used to identify individuals who are at high risk of developing UCC, as single or as additional triage test to UroVysion FISH test. Our results further validate the efficacy of biomarkers, such as MN, NPBs, and NBUDs, as predictors of genomic instability.
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Salimi M, Eskandari E. Association of Elevated Peripheral Blood Micronucleus Frequency and Bmi-1 mRNA Expression with Metastasis in
Iranian Breast Cancer Patients. Asian Pac J Cancer Prev 2018; 19:2723-2730. [PMID: 30360597 PMCID: PMC6291066 DOI: 10.22034/apjcp.2018.19.10.2723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Background: In order to find cytogenetic and molecular metastasis biomarkers detectable in peripheral blood the spontaneous genomic instability expressed as micronuclei and Bmi-1 expression in peripheral blood of breast cancer (BC) patients were studied in different stages of the disease compared with unaffected first-degree relatives (FDRs) and normal control. Methods: The Cytokinesis Block Micronuclei Cytome (CBMN cyt) and nested real-time Reverse Transcription-Polymerase Chain Reaction (RT-PCR) assays, were respectively used to measure genomic instability and Bmi-1 gene expression in 160 Iranian individuals comprised of BC patients in different stages of the disease, unaffected FDRs and normal control groups. Result: The frequency of micronuclei and Bmi-1 expression were dramatically higher in distant metastasis compared with non-metastatic BC. In spite of micronucleus frequency with no association with lymph node (LN) involvement and hormone receptor status, the Bmi-1 expression level was higher in LN positive and triple negative patients. Conclusion: Our results indicate that increased genomic instability expressed as micronuclei and higher Bmi-1 expression in peripheral blood are associated with metastasis in breast cancer. Therefore implementation of micronucleus assay and Bmi-1 expression analysis in blood as possible cytogenetic and molecular biomarkers in clinical level may potentially enhance the quality of management of patients with breast cancer.
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Affiliation(s)
- Mahdieh Salimi
- Department of Medical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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Aykanat B, Demircigil GC, Buyan N, Baskin E, Gulleroglu K, Fidan K, Bayrakci US, Dalgic A, Karakayali H, Haberal M, Burgaz S. Micronuclei and other nuclear anomalies in buccal epithelial cells of children with chronic kidney disease. Arh Hig Rada Toksikol 2016; 67:317-325. [DOI: 10.1515/aiht-2016-67-2851] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 11/01/2016] [Indexed: 01/16/2023] Open
Abstract
Abstract
The objective of this study was to reveal the likely genomic instability in children with chronic kidney disease (CKD) using micronucleus (MN) assay on buccal epithelial cells (BEC). We investigated the frequencies of micronuclei and other nuclear anomalies, such as nuclear buds, binucleated cells, condensed chromatin, and karyorrhectic and pyknotic cells in BEC. Children with CKD were grouped as follows: children in the pre-dialysis (PreD) stage (N=17), children on regular haemodialysis (HD) (N=14), and children who have undergone transplantation (Tx) (N=17). As a control group, twenty age- and gender-matched healthy children were selected. The MN frequency in BEC of all groups of children with CKD was significantly elevated (5- to 7-fold) as compared to the control group (p<0.001). In contrast, the frequencies of nuclear buds were not significantly higher in the study groups compared to the control group. The frequencies of binucleated cells and condensed chromatin cells were significantly higher in all subgroups of children with CKD relative to the control group (p<0.001). Our results show that the BEC of pediatric PreD, HD, and Tx patients with CKD display increased cytogenetic, cytokinetic, and cytotoxic effects. They also point to the sensitivity and usefulness of the BEC MN assay in the assessment of genetic susceptibility of patients with CKD.
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Affiliation(s)
- Banu Aykanat
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | | | - Necla Buyan
- Department of Pediatric Nephrology, Gazi University, Ankara, Turkey
| | - Esra Baskin
- Faculty of Medicine, Gazi University, Department of Pediatric Nephrology, Ankara, Turkey
| | - Kaan Gulleroglu
- Faculty of Medicine, Gazi University, Department of Pediatric Nephrology, Ankara, Turkey
| | - Kibriya Fidan
- Faculty of Medicine, Gazi University, Department of Pediatric Nephrology, Ankara, Turkey
| | - Umut Selda Bayrakci
- Faculty of Medicine, Gazi University, Department of Pediatric Nephrology, Ankara, Turkey
| | - Aydin Dalgic
- Department of General Surgery, Gazi University, Ankara, Turkey
| | - Hamdi Karakayali
- Department of General Surgery, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Mehmet Haberal
- Department of General Surgery, Faculty of Medicine, Baskent University, Ankara, Turkey
| | - Sema Burgaz
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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15
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Nersesyan A, Chobanyan N. Re: Micronucleus testing as a cancer detector: endometrial hyperplasia to carcinoma. Arch Gynecol Obstet 2016; 294:885-6. [PMID: 27435472 DOI: 10.1007/s00404-016-4157-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 07/13/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Armen Nersesyan
- Department of Internal Medicine 1, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Naira Chobanyan
- Behavioral and Clinical Medicine, American University of the Caribbean School of Medicine, DeVry Education Group, Chicago, IL, USA. .,DeVry Education Group, Chicago, IL, USA.
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16
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Bolognesi C, Bonassi S, Knasmueller S, Fenech M, Bruzzone M, Lando C, Ceppi M. Clinical application of micronucleus test in exfoliated buccal cells: A systematic review and metanalysis. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2015; 766:20-31. [DOI: 10.1016/j.mrrev.2015.07.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 07/29/2015] [Accepted: 07/30/2015] [Indexed: 10/23/2022]
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17
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Jara-Ettinger AC, López-Tavera JC, Zavala-Cerna MG, Torres-Bugarín O. Genotoxic Evaluation of Mexican Welders Occupationally Exposed to Welding-Fumes Using the Micronucleus Test on Exfoliated Oral Mucosa Cells: A Cross-Sectional, Case-Control Study. PLoS One 2015; 10:e0131548. [PMID: 26244938 PMCID: PMC4526553 DOI: 10.1371/journal.pone.0131548] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 06/03/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND An estimated 800,000 people worldwide are occupationally exposed to welding-fumes. Previous studies show that the exposure to such fumes is associated with damage to genetic material and increased cancer risk. In this study, we evaluate the genotoxic effect of welding-fumes using the Micronucleus Test on oral mucosa cells of Mexican welders. MATERIAL AND METHODS We conducted a cross-sectional, matched case-control study of n = 66 (33 exposed welders, and 33 healthy controls). Buccal mucosa smears were collected and stained with acridine orange, observed under 100x optical amplification with a fluorescence lamp, and a single-blinded observer counted the number of micronuclei and other nuclear abnormalities per 2,000 observed cells. We compared the frequencies of micronuclei and other nuclear abnormalities, and fitted generalised linear models to investigate the interactions between nuclear abnormalities and the exposure to welding-fumes, while controlling for smoking and age. RESULTS Binucleated cells and condensed-chromatin cells showed statistically significant differences between cases and controls. The frequency of micronuclei and the rest of nuclear abnormalities (lobed-nuclei, pyknosis, karyolysis, and karyorrhexis) did not differ significantly between the groups. After adjusting for smoking, the regression results showed that the occurrence of binucleated cells could be predicted by the exposure to welding-fumes plus the presence of tobacco consumption; for the condensed-chromatin cells, our model showed that the exposure to welding-fumes is the only reliable predictor. CONCLUSIONS Our findings suggest that Mexican welders who are occupationally exposed to welding-fumes have increased counts of binucleated and condensed-chromatin cells. Nevertheless, the frequencies of micronuclei and the rest of nuclear abnormalities did not differ between cases and controls. Further studies should shed more light on this subject.
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Affiliation(s)
| | | | | | - Olivia Torres-Bugarín
- Faculty of medicine, International Program, Universidad Autónoma de Guadalajara, Zapopan, Jalisco, Mexico
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18
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Kalaev VN, Artyukhov VG, Nechaeva MS. Micronucleus test of human oral cavity buccal epithelium: Problems, achievement, perspectives. CYTOL GENET+ 2014. [DOI: 10.3103/s0095452714060061] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Buchynska L, Brieieva O, Glushchenko N, Vorobyova L, Bilyk O. DNA repair deficiency in peripheral blood lymphocytes of endometrial cancer patients with a family history of cancer. BMC Cancer 2014; 14:765. [PMID: 25315979 PMCID: PMC4216360 DOI: 10.1186/1471-2407-14-765] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 10/09/2014] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Individual susceptibility to endogenous and/or exogenous DNA damage depends on DNA repair efficiency and can be evaluated using the comet assay with bleomycin as genotoxic agent. The aim of the study was to evaluate baseline and bleomycin-induced DNA damage and DNA repair capacity in peripheral blood lymphocytes (PBLs) of endometrial cancer (EC) patients considering a family history of cancer. METHODS DNA damage was analyzed in PBLs of 45 EC patients compared to a control group of 10 healthy women, using the comet assay. The level of DNA damage was determined by the% tail DNA. RESULTS The level of baseline DNA damage in PBLs of EC patients was significantly higher (% DNA in tail 9.31 ± 15.32) than in healthy women (% DNA in tail 3.41 ± 4.71) (P <0.01). PBLs of EC patients repaired less bleomycin-induced DNA damage (removed% DNA in tail 63.94 ± 20.92) than PBLs of healthy individuals (removed% DNA in tail 80.24 ± 3.03) (P <0.001). Efficiency of DNA repair in PBLs of EC patients depended on the family history of cancer. The amount of restored damaged DNA was significantly lower (removed% DNA in tail 36.24 ± 14.05%) in EC patients with a family history of cancer compared to patients with sporadic EC (removed% DNA in tail 64.91 ± 19.36%) (P <0.004). CONCLUSIONS Lymphocytes of EC patients are characterized by an increased basal level of DNA damage as well as deficiency in DNA repair. DNA repair is less efficient in PBLs of EC patients with a family history of cancer compared to patients with sporadic cancer.
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Affiliation(s)
- Lyubov Buchynska
- />R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - Olga Brieieva
- />R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - Nadiia Glushchenko
- />R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | | | - Olena Bilyk
- />R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
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Katarkar A, Mukherjee S, Khan MH, Ray JG, Chaudhuri K. Comparative evaluation of genotoxicity by micronucleus assay in the buccal mucosa over comet assay in peripheral blood in oral precancer and cancer patients. Mutagenesis 2014; 29:325-334. [DOI: 10.1093/mutage/geu023] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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21
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Choudhury JH, Ghosh SK. Gene-environment interaction and susceptibility in head and neck cancer patients and in their first-degree relatives: a study of Northeast Indian population. J Oral Pathol Med 2014; 44:495-501. [DOI: 10.1111/jop.12249] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2014] [Indexed: 11/30/2022]
Affiliation(s)
| | - Sankar Kumar Ghosh
- Department of Biotechnology; Assam University (A Central University); Silchar Assam India
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22
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Maffei F, Zolezzi Moraga JM, Angelini S, Zenesini C, Musti M, Festi D, Cantelli-Forti G, Hrelia P. Micronucleus frequency in human peripheral blood lymphocytes as a biomarker for the early detection of colorectal cancer risk. Mutagenesis 2014; 29:221-5. [DOI: 10.1093/mutage/geu007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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23
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Mullner E, Brath H, Nersesyan A, Nitz M, Petschnig A, Wallner M, Knasmuller S, Wagner KH. Nuclear anomalies in exfoliated buccal cells in healthy and diabetic individuals and the impact of a dietary intervention. Mutagenesis 2013; 29:1-6. [DOI: 10.1093/mutage/get056] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Cytogenetic abnormality in exfoliated cells of buccal mucosa in head and neck cancer patients in the Tunisian population: impact of different exposure sources. BIOMED RESEARCH INTERNATIONAL 2013; 2013:905252. [PMID: 23957010 PMCID: PMC3727183 DOI: 10.1155/2013/905252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Accepted: 06/11/2013] [Indexed: 12/12/2022]
Abstract
Chromosome/DNA instability could be one of the primary causes of malignant cell transformation. The objective of the present study was to evaluate the spontaneous genetic damages in exfoliated cells of buccal mucosa of head and neck cancer (HNC) by counting micronucleus (MN) and binucleated (BN) cells frequencies. MN and BN frequencies were significantly increased in HNC patients compared with controls (5.53 ± 3.09/1000 cells, 5.63 ± 2.99/1000 cells versus 2.36 ± 2.11/1000 cells, 3.09 ± 1.82/1000 cells, P < 0.001). Regarding the gender and the age, the frequencies of the MN and BN were significantly higher than those of controls (P < 0.01). The evaluation of the MN and BN frequencies revealed a significant increase (P < 0.001) in the cases in relation to the control group after controlling the risk factors (tobacco smoking and chewing and occupational exposure) of HNC. Moreover, MN and BN frequencies were significantly increased in smokers and chewers compared with nonsmokers and nonchewers among patients (P < 0.05). MN frequency was significantly (P = 0.014) different between patients occupationally exposed (6.99 ± 3.40/1000 cells) and nonexposed (4.70 ± 2.48/1000 cells) among HNC group. The logistic regression model illustrated that HNC was significantly associated with frequencies of MN (OR = 8.63, P < 0.0001) and BN (OR = 5.62, P = 0.001). Our results suggest that increased chromosome/DNA instabilities may be associated with HNC.
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Antigenotoxic effect of lipoic acid against mitomycin-C in human lymphocyte cultures. Cytotechnology 2012; 65:553-65. [PMID: 23132681 DOI: 10.1007/s10616-012-9504-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 09/24/2012] [Indexed: 12/14/2022] Open
Abstract
Antitumor agents are used in therapy against many forms of human cancer. One of these is mitomycin-C (MMC). As with many agents, it can interact with biological molecules and can induce genetic hazards in non-tumor cells. One of the possible approaches to protect DNA from this damage is to supply antioxidants that can remove free radicals produced by antitumor agents. Lipoic acid (LA) is known as one of the most powerful antioxidants. The aim of this study was to investigate antigenotoxic effects of LA against MMC induced chromosomal aberrations (CA), sister chromatid exchanges (SCE) and micronucleus (MN) formation in human lymphocytes. Lymphocytes were treated with 0.2 μg MMC/heparinized mL for 48 h. Three different concentrations (0.5, 1, 2 μg/mL) of LA were used together with MMC in three different applications; 1 h pre-treatment, simultaneous treatment and 1 h post-treatment. A negative, a positive and a solvent control were also included. In all the cultures treated with MMC + LA, the frequency of abnormal cells and CA/cell significantly decreased compared to MMC. Statistically significant reduction was also observed in SCE/cell and MN frequencies in all treatments. These results demonstrated anticlastogenic and antimutagenic effects of LA against MMC induced genotoxicity. LA showed the most efficient effect during 1 h pretreatment. On the other hand, MMC + LA treatments induced significant reduction in mitotic index than that of MMC treatment alone. These results are encouraging that LA can be a possible chemopreventive agent in tumorigenesis in both cancer patients and in health care persons handling anti-cancer drugs.
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Kadioglu E, Kocabas NA, Demircigil GC, Coskun E, Ozcagli E, Durmaz E, Karahalil B, Burgaz S, Sardas S. Assessment of individual susceptibility to baseline DNA and cytogenetic damage in a healthy Turkish population: evaluation with lifestyle factors. Genet Test Mol Biomarkers 2012; 16:1157-64. [PMID: 22905990 DOI: 10.1089/gtmb.2012.0038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Cytogenetic biomarkers are most frequently used well-established endpoints in human population studies with their sensitivity for measuring exposure to genotoxic agents. They have an important role as early predictors of cancer risk. Identification of individual genotypes of metabolic gene polymorphisms helps to understand the modulation of cancer susceptibility by environmental exposures, such as cigarette smoking and other lifestyle factors. AIM To evaluate individual susceptibility to chemicals, we determined individual DNA damage related to glutathione S-transferase (GST) genotypes (GSTM1, GSTT1, and GSTP1) in a Turkish population. METHODS Peripheral blood lymphocytes (PBL) and DNA samples of 127 subjects were analyzed for the presence of DNA damage, using single-cell gel electrophoresis (the Comet assay), and for cytogenetic parameters (chromosomal aberrations [CAs], bleomycin-induced CA, and a cytokinesis-blocked micronucleus assay), and the polymerase chain reaction/restriction fragment length polymorphism method, respectively. RESULTS Individuals carrying a GSTT1-null allele showed higher frequencies of CA and micronucleus (MN) (p=0.026, p=0.003, respectively), whereas the GSTM1-null and GSTP1 mutant genotypes did not show any differences in cytogenetic parameters. Our findings demonstrated that none of the lifestyle factors (smoking, alcohol drinking, dietary habits, vitamin intake, and physical activity), except for vitamin intake (p=0.002), were significantly associated with the studied cytogenetic parameters. CONCLUSION Our results suggest that the GSTT1 gene polymorphism may influence the baseline cytogenetic frequency in a healthy population.
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Affiliation(s)
- Ela Kadioglu
- Department of Toxicology, University of Gazi, Ankara, Turkey
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