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Wu C, Du X, Liu H, Chen X, Ge K, Meng R, Zhang Z, Zhang H. Advances in polychlorinated biphenyls-induced female reproductive toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170543. [PMID: 38309369 DOI: 10.1016/j.scitotenv.2024.170543] [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: 11/24/2023] [Revised: 01/26/2024] [Accepted: 01/27/2024] [Indexed: 02/05/2024]
Abstract
Polychlorinated biphenyls (PCBs) are a class of endocrine-disrupting chemicals (EDCs) widely present in the environment. PCBs have been of concern due to their anti/estrogen-like effects, which make them more toxic to the female reproductive system. However, there is still a lack of systematic reviews on the reproductive toxicity of PCBs in females, so the adverse effects and mechanisms of PCBs on the female reproductive system were summarized in this paper. Our findings showed that PCBs are positively associated with lower pregnancy rate, hormone disruption, miscarriage and various reproductive diseases in women. In animal experiments, PCBs can damage the structure and function of the ovaries, uterus and oviducts. Also, PCBs could produce epigenetic effects and be transferred to the offspring through the maternal placenta, causing development retardation, malformation and death of embryos, and damage to organs of multiple generations. Furthermore, the mechanisms of PCBs-induced female reproductive toxicity mainly include receptor-mediated hormone disorders, oxidative stress, apoptosis, autophagy, and epigenetic modifications. Finally, we also present some directions for future research on the reproductive toxicity of PCBs. This detailed information provided a valuable reference for fully understanding the reproductive toxicity of PCBs.
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Affiliation(s)
- Chunrui Wu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xingde Du
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Haohao Liu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xinghai Chen
- Department of Chemistry and Biochemistry, St Mary's University, San Antonio, TX, USA
| | - Kangfeng Ge
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Ruiyang Meng
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Zongxin Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Huizhen Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, Henan, China.
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Hu J, Ye F, Zhang S, Li H, Bao Q, Gan J, Ye Q, Wang W. Multi-dimensional visualization of ingestion, biological effects and interactions of microplastics and a representative POP in edible jellyfish. ENVIRONMENT INTERNATIONAL 2023; 178:108028. [PMID: 37343326 DOI: 10.1016/j.envint.2023.108028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/05/2023] [Accepted: 06/08/2023] [Indexed: 06/23/2023]
Abstract
Due to their ubiquity and potential risks, microplastics (MPs) and nanoplastics (NPs) are concerning environmental issues. Yet there are still significant knowledge gaps in understanding the tissue-specific accumulation and dynamic change of MPs and NPs in the aquatic organism and how these micro/nano-scale emerging contaminants interact with other environmental pollutants such as persistent organic pollutants (POPs). Here, in vivo imaging systems (IVIS), radioisotope tracing, and histological staining were innovatively used to reveal the fate and toxicity of fluorescently-labeled MPs/NPs and 14C-labeled 2,4,4'-trichlorobiphenyl (PCB28) in edible jellyfish Rhopilema esculentum. These contaminants' ingestion, biological effects, and interactions were visualized at cellular, tissue, and whole-body multidimensional levels. Both MPs and NPs were shown to be preferentially accumulated in the mouthlets of oral arms, and most ingested MPs/NPs were present in the extracellular environment instead of being internalized into the mesoglea. Moreover, the presence of MPs or NPs in the seawater significantly inhibited the bioaccumulation of PCB28 in the jellyfish tissue, thus alleviating physiological alteration, gastric damage, and apoptosis caused by PCB28. This study provides a multi-dimensional visualization strategy to display the distribution and biological effects of typical pollutants in marine organisms and offers new insights for understanding the impacts of MPs/NPs and POPs on marine ecosystems.
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Affiliation(s)
- Jirong Hu
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Feiyang Ye
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Sufen Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Hao Li
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Qian Bao
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Jay Gan
- Department of Environmental Sciences, University of California, Riverside, CA 92521, USA
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Wei Wang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
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Miletić M, Kmetič I, Kovač V, Šimić B, Petković T, Štrac DŠ, Pleadin J, Murati T. Resveratrol ameliorates ortho- polychlorinated biphenyls' induced toxicity in ovary cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27812-6. [PMID: 37256397 DOI: 10.1007/s11356-023-27812-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 05/17/2023] [Indexed: 06/01/2023]
Abstract
Polychlorinated biphenyls (PCBs) can induce chronic oxidative stress, inflammation, and cell death, leading to coronary heart disease, endothelial dysfunction, neurotoxicity, cancer, obesity, type 2 diabetes, reproductive dysfunction, etc. The aim of this study was to investigate possible protective effect of resveratrol (2.5-20 μM) in ovarian cells exposed to PCBs. An emphasis was on identifying mechanisms of resveratrol action upon distinct structure of the individual PCB congener-planar dioxin-like PCB 77 and non-planar di-ortho-substituted PCB 153. Multiple toxicity endpoint analysis was performed. Cell viability/proliferation was assessed by Trypan Blue exclusion method, Neutral Red, Kenacid Blue, and MTT bioassays. The level of oxidative stress was measured by fluorescent probes, and flow cytometry was applied to evaluate the mode of cell death. Resveratrol applied alone did not affect cell proliferation and viability in doses up to 20 µM, although significant antioxidative activity was observed. Toxic effects of ortho-PCB 153 (cytotoxicity, oxidative stress, and cell death) were mitigated by resveratrol. On the contrary pre-incubation with resveratrol did not result in cell viability protection when planar PCB 77 was applied. This indicates that resveratrol efficacy may be linked to specific structure of the individual congener, suggesting nutritional modulation of environmental insults caused by ortho-PCBs. We point out the importance of resveratrol dosage considering that synergistic cytotoxic effect with both PCB congeners is observed at concentrations ≥ 10 μM.
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Affiliation(s)
- Marina Miletić
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia
| | - Ivana Kmetič
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia.
| | - Veronika Kovač
- Laboratory for Organic Chemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia
| | - Branimir Šimić
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia
| | - Tea Petković
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia
| | - Dubravka Švob Štrac
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička St. 54, 10000, Zagreb, Croatia
| | - Jelka Pleadin
- Laboratory for Analytical Chemistry, Department of Veterinary Public Health, Croatian Veterinary Institute, Savska St. 143, 10000, Zagreb, Croatia
| | - Teuta Murati
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St. 6, 10000, Zagreb, Croatia
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Hawthorne B, Lund K, Freggiaro S, Kaga R, Meng J. The mechanism of the cytotoxic effect of Panax notoginseng extracts on prostate cancer cells. Biomed Pharmacother 2022; 149:112887. [PMID: 35367754 DOI: 10.1016/j.biopha.2022.112887] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 11/02/2022] Open
Abstract
INTRODUCTION Panax notoginseng (Burkill) F.H. commonly referred to as Sanqi, is a Chinese herb that has long been used to treat various conditions including blood disorders and cardiovascular diseases. While Panax notoginseng has been used as an anti-cancer medicinal herb in recent years, how it achieves this therapeutic effect has not been thoroughly elucidated. The purpose of this study was to reveal more about the mechanism of the cytotoxic effect of Panax notoginseng on prostate cancer (PCa) cells. METHODS Ethanol extract of Panax notoginseng root was authenticated using high-performance liquid chromatography (HPLC). The cytotoxic activity of this herb against PCa cells was determined using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) method, flow cytometry, and enzyme-linked immunosorbent assay (ELISA). RESULTS The assessment of cellular metabolic activity demonstrated that Panax notoginseng reduces the viability of LNCaP and 22Rv1 cells in a dose-dependent manner. Annexin-V binding flow cytometry assay showed that Panax notoginseng induces apoptosis in PCa cells. Cell cycle analysis by quantification of DNA content using flow cytometry showed that Panax notoginseng arrests the cell cycle at the G2/M phase in both LNCaP and 22Rv1 cells. Moreover, ELISA demonstrated that Panax notoginseng-treated PCa cells secrete significantly less tumor-promoting cytokine interleukin-4 (IL-4) to the supernatant compared with controls. CONCLUSIONS These results provide evidence for the cytotoxic effects of Panax notoginseng on PCa cell lines. This botanical is a promising candidate for the complementary and integrative medicine treatment of PCa and further studies are indicated to determine the anti-cancer mechanism of Panax notoginseng.
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Affiliation(s)
- Benjamin Hawthorne
- School of Naturopathic Medicine, Bastyr University, 14500 Juanita Drive NE, Kenmore, WA 98028, USA
| | - Kaleb Lund
- School of Naturopathic Medicine, Bastyr University, 14500 Juanita Drive NE, Kenmore, WA 98028, USA
| | - Sydney Freggiaro
- School of Naturopathic Medicine, Bastyr University, 14500 Juanita Drive NE, Kenmore, WA 98028, USA
| | - Risa Kaga
- School of Natural Health Arts & Sciences, Bastyr University, 14500 Juanita Drive NE, Kenmore, WA 98028, USA
| | - Jing Meng
- School of Natural Health Arts & Sciences, Bastyr University, 14500 Juanita Drive NE, Kenmore, WA 98028, USA.
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Ortho-substituted PCB 153: effects in CHO-K1 cells. Arh Hig Rada Toksikol 2021; 72:326-332. [PMID: 34985836 PMCID: PMC8785106 DOI: 10.2478/aiht-2021-72-3588] [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: 09/01/2021] [Accepted: 11/01/2021] [Indexed: 11/20/2022] Open
Abstract
Non-planar di-ortho-substituted PCB 153 (2,2’,4,4’,5,5’-hexachlorobiphenyl), one of the most abundant PCB congeners in the environment and in biological and human tissues, has been identified as potential endocrine disruptor affecting the reproductive and endocrine systems in rodents, wildlife, and humans. The aim of this study was to gain a deeper insight into its mode/mechanism of action in Chinese hamster ovary K1 cells (CHO-K1). PCB 153 (10–100 μmol/L) inhibited CHO-K1 cell proliferation, which was confirmed with four bioassays (Trypan Blue, Neutral Red, Kenacid Blue, and MTT), of which the MTT assay proved the most sensitive. PCB 153 also induced ROS formation in a dose-dependent manner. Apoptosis was seen after 6 h of exposure to PCB 153 doses ≥50 μmol/L, while prolonged exposure resulted in the activation of the necrotic pathway. PCB 153-induced disturbances in normal cell cycle progression were time-dependent, with the most significant effects occurring after 72 h.
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Yang Y, Huang W, Yuan L. Effects of Environment and Lifestyle Factors on Premature Ovarian Failure. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1300:63-111. [PMID: 33523430 DOI: 10.1007/978-981-33-4187-6_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Premature ovarian insufficiency (POI) or primary ovarian failure is defined as a cessation of the menstrual cycle in women younger than 40 years old. It is strictly defined as more than 4 months of oligomenorrhea or amenorrhea in a woman <40 years old, associated with at least two follicle-stimulating hormone (FSH) levels >25 U/L in the menopausal range, detected more than 4 weeks apart. It is estimated that POI was affected 1 and 2% of women. Although 80% of POI cases are of unknown etiology, it is suggested that genetic disorder, autoimmune origin, toxins, and environmental factors, as well as personal lifestyles, may be risk factors of developing POI. In this section, we will discuss the influences of environmental and lifestyle factors on POI. Moreover updated basic research findings regarding how these environmental factors affect female ovarian function via epigenetic regulations will also be discussed.
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Affiliation(s)
- Yihua Yang
- Guangxi Reproductive Medical Center, the First Affiliated Hospital of Guangxi Medical University, Nanning, China.
| | - Weiyu Huang
- Guangxi Reproductive Medical Center, the First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lifang Yuan
- Guangxi Reproductive Medical Center, the First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Murati T, Miletić M, Pleadin J, Šimić B, Kmetič I. Cell membrane-related toxic responses and disruption of intercellular communication in PCB mechanisms of toxicity: A review. J Appl Toxicol 2020; 40:1592-1601. [PMID: 32648282 DOI: 10.1002/jat.4019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 02/06/2023]
Abstract
An understanding of polychlorinated biphenyl (PCB) congener-specific effects on cell membrane and intercellular communication is important within the studies of PCB absorption, organ-related PCB accumulation and exertion of toxic responses. Toxic potential of PCBs is linked to various deleterious effects on human health, including neurotoxicity, immunotoxicity, reproductive toxicity and genotoxicity and, recently in 2016 International Agency for Research on Cancer (IARC) has upgraded the classification of PCBs to Group 1 "Carcinogenic to humans." Proposed mechanisms of aforementioned PCBs adverse effects at cellular membrane level are: (i) downregulation of gap junction intercellular communication and/or connexins; (ii) compromised membrane integrity; and (iii) altered tight junction barrier function. This study, based on an extensive literature survey, shows the progress in scientific research of each of these three levels with the aim of pointing out the earliest toxic events of PCBs, which can result in serious cell/tissue/organ damage.
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Affiliation(s)
- Teuta Murati
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Marina Miletić
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Jelka Pleadin
- Laboratory for Analytical Chemistry, Department of Veterinary Public Health, Croatian Veterinary Institute, Zagreb, Croatia
| | - Branimir Šimić
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Ivana Kmetič
- Laboratory for Toxicology, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
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Murati T, Šimić B, Pleadin J, Vukmirović M, Miletić M, Durgo K, Kniewald J, Kmetič I. Reduced cytotoxicity in PCB-exposed Chinese Hamster Ovary (CHO) cells pretreated with vitamin E. Food Chem Toxicol 2017; 99:17-23. [DOI: 10.1016/j.fct.2016.11.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 09/22/2016] [Accepted: 11/15/2016] [Indexed: 12/17/2022]
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Divergent Effects of Dioxin- or Non-Dioxin-Like Polychlorinated Biphenyls on the Apoptosis of Primary Cell Culture from the Mouse Pituitary Gland. PLoS One 2016; 11:e0146729. [PMID: 26752525 PMCID: PMC4709048 DOI: 10.1371/journal.pone.0146729] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 12/20/2015] [Indexed: 11/25/2022] Open
Abstract
Polychlorinated biphenyls (PCBs) can disrupt the endocrine function, promote neoplasms and regulate apoptosis in some tissues; however, it is unknown whether PCBs can affect the apoptosis of pituitary cells. The study evaluated the effect of PCBs on the apoptosis of normal pituitary cells and the underlying mechanisms. Primary cell cultures obtained from mouse pituitary glands were exposed to Aroclor 1254 or selected dioxin-like (PCB 77, PCB 126) or non-dioxin-like (PCB 153, PCB 180) congeners. Apoptosis was evaluated by Annexin V staining, DNA fragmentation, and TUNEL assay. Both the expression and activity of caspases were analyzed. Selective thyroid hormone receptor (TR) or aryl-hydrocarbon receptor (AhR) or CYP1A1 antagonist were used to explore the mechanisms underlying PCBs action. Our results showed that Aroclor 1254 induced the apoptosis of pituitary cells as well as the final caspase-3 level and activity through the extrinsic pathway, as shown by the increased caspase-8 level and activity. On the other hand, the intrinsic pathway evaluated by measuring caspase-9 expression was silent. The selected non-dioxin-like congeners either increased (PCB 180) or reduced (PCB 153) pituitary cell apoptosis, affecting the extrinsic pathway (PCB 180), or both the extrinsic and intrinsic pathways (PCB 153), respectively. In contrast, the dioxin-like congeners (PCB 77 and PCB 126) did not affect apoptosis. The anti-apoptotic phenotype of PCB 153 was counteracted by a TR or a CYP1A1 antagonist, whereas the pro-apoptotic effect of PCB 180 was counteracted by an AhR antagonist. The induced apoptosis of Aroclor 1254 or PCB 180 was associated with a reduction of cell proliferation, whereas the decreased apoptosis due to PCB 153 increased cell proliferation by 30%. In conclusion, our data suggest that non-dioxin-like PCBs may modulate apoptosis and the proliferation rate of pituitary cells that have either pro- or anti-apoptotic effects depending on the specific congeners. However, the impact of PCBs on the process of pituitary tumorigenesis remains to be elucidated.
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