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Kaur K, Verma H, Gangwar P, Jangid K, Dhiman M, Kumar V, Jaitak V. Design, synthesis, in silico and biological evaluation of new indole based oxadiazole derivatives targeting estrogen receptor alpha. Bioorg Chem 2024; 147:107341. [PMID: 38593531 DOI: 10.1016/j.bioorg.2024.107341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/11/2024]
Abstract
A series of new indole-oxadiazole derivatives was designed and synthesized to develop potential anti-breast cancer agents. The compounds exhibited significant inhibitory activity with IC50 values ranging from 1.78 to 19.74 μM against ER-positive human breast cancer (BC) cell lines T-47D and MCF-7. Among them, compounds (5a, 5c, 5e-5h, 5j-5o) displayed superior activity against ER-α dominant (ratio of ER-α/ER-β is 9/1) T-47D cells compared to the standard drug bazedoxifene (IC50 = 12.78 ± 0.92 μM). Compounds 5c and 5o exhibited remarkable anti-proliferative activity with IC50 values of 3.24 ± 0.46 and 1.72 ± 1.67 μM against T-47D cells, respectively. Further, compound 5o manifested 1589-fold higher ER-α binding affinity (213.4 pM) relative to bazedoxifene (339.2 nM) in a competitive ER-α binding assay, while compound 5c showed a binding affinity of 446.6 nM. The Western blot analysis proved that both compounds influenced the ER-α protein's expression, impeding its subsequent transactivation and signalling pathway within T-47D cells. Additionally, a molecular docking study suggests that compounds 5c and 5o bind in such a fashion that induces conformational changes in the protein, culminating in their antagonistic effect. Also, pharmacokinetic profiles showed that all compounds have drug-like properties. Further, molecular dynamic (MD) simulations and density functional theory (DFT) analysis confirmed the stability, conformational behaviour, reactivity, and biological feasibility of compounds 5c and 5o. In conclusion, based on our findings, compounds 5c and 5o, which exhibit significant ER-α antagonistic activity, can act as potential lead compounds for developing anti-breast cancer agents.
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Affiliation(s)
- Kamalpreet Kaur
- Department of Pharmaceutical Sciences and Natural Products. Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Harkomal Verma
- Department of Zoology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Prabhakar Gangwar
- Department of Zoology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Kailash Jangid
- Department of Chemistry, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Monisha Dhiman
- Department of Microbiology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Vinod Kumar
- Department of Chemistry, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Vikas Jaitak
- Department of Pharmaceutical Sciences and Natural Products. Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India.
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Zhang Q, Tian L, Hu Y, Jiang W, Wang X, Chen L, Cheng S, Ying J, Jiang B, Zhang L. Aristolochic acid I aggravates oxidative stress-mediated apoptosis by inhibiting APE1/Nrf2/HO-1 signaling. Toxicol Mech Methods 2024; 34:20-31. [PMID: 37621060 DOI: 10.1080/15376516.2023.2250429] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/16/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023]
Abstract
Nephrotoxicity induced by aristolochic acid I (AAI) is related to redox stress and apoptosis. Apurinic/apyrimidine endonuclease 1 (APE1) has antioxidant and anti-apoptotic effects. This study investigated the potential role of APE1 in AAI-induced nephrotoxicity. Renal injury was successfully induced in C57BL/6J mice by intraperitoneal injection of AAI every other day for 28 days. Expressions of APE1, nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase 1 (HO-1) in renal tissues of the model mice was inhibited, accompanied by oxidative damage and apoptosis. Similar results were obtained in vitro in human proximal tubular (HK-2) cells damaged by AAI. In the presence of a low concentration of the APE1 inhibitor E3330, expression of Nrf2 and HO-1 proteins in HK-2 cells was decreased and AAI-induced apoptosis was aggravated. Overexpression of APE1 in HK-2 cells promoted the expression of Nrf2 and HO-1, and alleviated apoptosis and renal injury induced by AAI. The collective findings demonstrate that AAI can inhibit the induction of oxidative stress and apoptosis by the APE1/Nrf2/HO-1 axis, leading to AAI renal injury. Targeting APE1 may be an effective therapeutic strategy to treat AA nephrotoxicity.
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Affiliation(s)
- Qi Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Lei Tian
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yongkang Hu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Wenjuan Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xian Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Langqun Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Siyu Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jiahui Ying
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Baoping Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liang Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Shehata SA, Toraih EA, Ismail EA, Hagras AM, Elmorsy E, Fawzy MS. Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk. Cancers (Basel) 2023; 15:4525. [PMID: 37760496 PMCID: PMC10526315 DOI: 10.3390/cancers15184525] [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: 04/30/2023] [Revised: 06/18/2023] [Accepted: 06/22/2023] [Indexed: 09/29/2023] Open
Abstract
Lung cancer (LC) is the second-most prevalent tumor worldwide. According to the most recent GLOBOCAN data, over 2.2 million LC cases were reported in 2020, with an estimated new death incident of 1,796,144 lung cancer cases. Genetic, lifestyle, and environmental exposure play an important role as risk factors for LC. E-cigarette, or vaping, products (EVPs) use has been dramatically increasing world-wide. There is growing concern that EVPs consumption may increase the risk of LC because EVPs contain several proven carcinogenic compounds. However, the relationship between EVPs and LC is not well established. E-cigarette contains nicotine derivatives (e.g., nitrosnornicotine, nitrosamine ketone), heavy metals (including organometal compounds), polycyclic aromatic hydrocarbons, and flavorings (aldehydes and complex organics). Several environmental toxicants have been proven to contribute to LC. Proven and plausible environmental carcinogens could be physical (ionizing and non-ionizing radiation), chemicals (such as asbestos, formaldehyde, and dioxins), and heavy metals (such as cobalt, arsenic, cadmium, chromium, and nickel). Air pollution, especially particulate matter (PM) emitted from vehicles and industrial exhausts, is linked with LC. Although extensive environmental exposure prevention policies and smoking reduction strategies have been adopted globally, the dangers remain. Combined, both EVPs and toxic environmental exposures may demonstrate significant synergistic oncogenicity. This review aims to analyze the current publications on the importance of the relationship between EVPs consumption and environmental toxicants in the pathogenesis of LC.
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Affiliation(s)
- Shaimaa A. Shehata
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt; (S.A.S.); (A.M.H.)
| | - Eman A. Toraih
- Division of Endocrine and Oncologic Surgery, Department of Surgery, School of Medicine, Tulane University, New Orleans, LA 70112, USA;
- Genetics Unit, Department of Histology and Cell Biology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Ezzat A. Ismail
- Department of Urology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt;
| | - Abeer M. Hagras
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Suez Canal University, Ismailia 41522, Egypt; (S.A.S.); (A.M.H.)
| | - Ekramy Elmorsy
- Department of Pathology, Faculty of Medicine, Northern Border University, Arar 73213, Saudi Arabia;
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Manal S. Fawzy
- Department of Biochemistry, Faculty of Medicine, Northern Border University, Arar 73213, Saudi Arabia
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Elhaj R, Reynolds JM. Chemical exposures and suspected impact on Gulf War Veterans. Mil Med Res 2023; 10:11. [PMID: 36882803 PMCID: PMC9993698 DOI: 10.1186/s40779-023-00449-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 02/24/2023] [Indexed: 03/09/2023] Open
Abstract
Gulf War Illness (GWI) encompass a spectrum of maladies specific to troops deployed during the Persian Gulf War (1990-1991). There are several hypothesized factors believed to contribute to GWI, including (but not limited to) exposures to chemical agents and a foreign environment (e.g., dust, pollens, insects, and microbes). Moreover, the inherent stress associated with deployment and combat has been associated with GWI. While the etiology of GWI remains uncertain, several studies have provided strong evidence that chemical exposures, especially neurotoxicants, may be underlying factors for the development of GWI. This mini style perspective article will focus on some of the major evidence linking chemical exposures to GWI development and persistence decades after exposure.
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Affiliation(s)
- Rami Elhaj
- Center for Cancer Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, 60064, USA
| | - Joseph M Reynolds
- Center for Cancer Biology, Immunology and Infection, Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL, 60064, USA.
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Bitencourt de Morais Valentim JM, Fagundes TR, Okamoto Ferreira M, Lonardoni Micheletti P, Broto Oliveira GE, Cremer Souza M, Geovana Leite Vacario B, da Silva JC, Scandolara TB, Gaboardi SC, Zanetti Pessoa Candiotto L, Mara Serpeloni J, Rodrigues Ferreira Seiva F, Panis C. Monitoring residues of pesticides in food in Brazil: A multiscale analysis of the main contaminants, dietary cancer risk estimative and mechanisms associated. Front Public Health 2023; 11:1130893. [PMID: 36908412 PMCID: PMC9992878 DOI: 10.3389/fpubh.2023.1130893] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 01/27/2023] [Indexed: 02/24/2023] Open
Abstract
Introduction Pesticides pose a risk for cancer development and progression. People are continuously exposed to such substances by several routes, including daily intake of contaminated food and water, especially in countries that are highly pesticide consumers and have very permissive legislation about pesticide contamination as Brazil. This work investigated the relationship among pesticides, food contamination, and dietary cancer risk. Methods Analyzed two social reports from the Brazilian Government: the Program for Analysis of Residues of Pesticides in Food (PARA) and The National Program for Control of Waste and Contaminants (PNCRC). Results and discussion First, we characterized the main pesticide residues detected over the maximum limits allowed by legislation or those prohibited for use in food samples analyzed across the country. Based on this list, we estimated the dietary cancer risks for some of the selected pesticides. Finally, we searched for data about dietary cancer risks and carcinogenic mechanisms of each pesticide. We also provided a critical analysis concerning the pesticide scenario in Brazil, aiming to discuss the food contamination levels observed from a geographical, political, and public health perspective. Exposures to pesticides in Brazil violate a range of human rights when food and water for human consumption are contaminated.
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Affiliation(s)
| | - Tatiane Renata Fagundes
- Department of Biological Sciences, Universidade Estadual do Norte do Paraná (UENP), Jacarezinho, Brazil
| | - Mariane Okamoto Ferreira
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Blumenau, Brazil
| | | | | | - Milena Cremer Souza
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina, Brazil
| | | | | | | | - Shaiane Carla Gaboardi
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Blumenau, Brazil
- Instituto Federal Catarinense, Blumenau, Brazil
| | | | - Juliana Mara Serpeloni
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina, Brazil
| | - Fábio Rodrigues Ferreira Seiva
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina, Brazil
- Department of Biological Sciences, Universidade Estadual do Norte do Paraná (UENP), Jacarezinho, Brazil
| | - Carolina Panis
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina, Brazil
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Blumenau, Brazil
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Gupta KB, Dhiman M, Mantha AK. Gliadin induced oxidative stress and altered cellular responses in human intestinal cells: An in‐vitro study to understand the cross‐talk between the transcription factor Nrf‐2 and multifunctional APE1 enzyme. J Biochem Mol Toxicol 2022; 36:e23096. [DOI: 10.1002/jbt.23096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 03/31/2022] [Accepted: 04/25/2022] [Indexed: 12/17/2022]
Affiliation(s)
- Kunj Bihari Gupta
- Department of Microbiology, School of Biological Sciences Central University of Punjab Bathinda Punjab India
| | - Monisha Dhiman
- Department of Microbiology, School of Biological Sciences Central University of Punjab Bathinda Punjab India
| | - Anil Kumar Mantha
- Department of Zoology, School of Biological Sciences Central University of Punjab Bathinda Punjab India
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Guo N, Chen Y, Zhang Y, Deng Y, Zeng F, Li X. Potential Role of APEX1 During Ferroptosis. Front Oncol 2022; 12:798304. [PMID: 35311089 PMCID: PMC8927806 DOI: 10.3389/fonc.2022.798304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/02/2022] [Indexed: 11/25/2022] Open
Abstract
Ferroptosis is a recently discovered category of programmed cell death. It is much different from other types of cell death such as apoptosis, necrosis and autophagy. The main pathological feature of ferroptosis is the accumulation of iron-dependent lipid peroxidation. The typical changes in the morphological features of ferroptosis include cell volume shrinkage and increased mitochondrial membrane area. The mechanisms of ferroptosis may be mainly related to lipid peroxidation accumulation, imbalance in amino acid antioxidant system, and disturbance of iron metabolism. Besides, hypoxia-inducible factor (HIF), nuclear factor-E2-related factor 2 (Nrf2), and p53 pathway have been demonstrated to be involved in ferroptosis. At present, the molecular mechanisms of ferroptosis pathway are still unmapped. In this review, an outlook has been put forward about the crucial role of apurinic/apyrimidinic endodeoxyribonuclease 1 (APEX1) in the regulation of ferroptosis. APEX1 plays an important role in the regulation of intracellular redox balance and can be used as a potential inhibitor of ferroptotic cell death. Bioinformatics analysis indicated that the mRNA level of APEX1 is decreased in cases of ferroptosis triggered by erastin. Besides, it was found that there was a significant correlation between APEX1 and genes in the ferroptosis pathway. We have discussed the possibility to employ APEX1 inducers or inhibitors in the regulation of ferroptosis as a new strategy for the treatment of various human diseases.
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Affiliation(s)
- Nan Guo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou, China
| | - Yan Chen
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yuhong Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou, China
| | - Yonghao Deng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou, China
| | - Fancai Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou, China
| | - Xiang Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou, China
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Lin X, Zhang Z, Wu B, Liu J. Temporal variability of organophosphate insecticide metabolites over one year in Chinese adults. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149041. [PMID: 34328903 DOI: 10.1016/j.scitotenv.2021.149041] [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: 04/28/2021] [Revised: 07/10/2021] [Accepted: 07/10/2021] [Indexed: 06/13/2023]
Abstract
Organophosphate (OP) insecticides widely used worldwide are a class of non-persistent pollutants with a short biological half-life. Most OP insecticides are rapidly metabolized in the human body to six dialkyl phosphate metabolites (DAPs), of which urinary concentrations are usually used to assess OP insecticide exposures. In this study, to understand the reliability of a single measurement of OP insecticide metabolites in representing a true longer-term average exposure, we investigated the temporal variability of urinary DAPs over one year in 114 Chinese adults aged 18-30. The detection rates for all six DAP metabolites exceeded 98%. The intraclass correlation coefficients (ICCs) of DAPs indicated poor (ICC < 0.4) to fair (ICC = 0.4-0.75) reproducibility in spot urine samples over one week, month, or year. Log-transformed DAP metabolites requested 2-12 spot urine samples per subject to offer a reliable estimate of OP insecticide exposures over several months or one year. The sensitivity and specificity for predicting subjects with the one-year average OP insecticide exposure in the highest tertile with one, two, or three urine samples varied from 0.25 to 0.991, 0.491 to 0.966, respectively. We recommend at least 3 spot urine samples for the assessment of one-year OP insecticide exposure by using log-transformed DAPs. This study offers a reference for an appropriate evaluation of a relatively long-period exposure to OP insecticides in biomonitoring and epidemiological studies.
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Affiliation(s)
- Xuan Lin
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhe Zhang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Binbin Wu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jing Liu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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