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Guo J, Yang Z, Wang J, Liang N, Shi Y, Zhong J, Zhang X, Hu Y, Nashun B. Oral exposure to phenanthrene during gestation disorders endocrine and spermatogenesis in F1 adult male mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 280:116566. [PMID: 38850701 DOI: 10.1016/j.ecoenv.2024.116566] [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: 03/04/2024] [Revised: 05/29/2024] [Accepted: 06/05/2024] [Indexed: 06/10/2024]
Abstract
Phenanthrene (Phe), a typical low-molecular-weight polycyclic aromatic hydrocarbon (PAH) of three benzene rings, is one of the most abundant PAHs detected in daily diets. Pregnant women and infants are at great risk of Phe exposure. In the present study, Phe was administered to pregnant mice at a dose of 0, 60, or 600 μg/kg body weight six times, and the F1 male mice showed significant reproductive disorders: the testicular weight and testis somatic index were significantly reduced; the levels of serum testosterone, GnRH and SHBG were increased, while the FSH levels were reduced; histological analysis showed that the amount of Sertoli cells and primary spermatocytes in seminiferous tubules was increased, while the amount of secondary spermatocytes and spermatids were decreased in Phe groups. The protein levels of PCNA and androgen receptor were reduced. Differently expressed genes in the testis screened by RNA sequence were enriched in antioxidant capacity, reproduction et al.. Further biochemical tests confirmed that the antioxidant capacity in the F1 testis was significantly inhibited by treatment with Phe during pregnancy. Those results suggested that gestational Phe exposure disordered hypothalamic-pituitary-gonadal (HPG) hormones on the one hand, and on the other hand reduced testicular antioxidant capacity and further arrested cell cycle in F1 adult male mice, which co-caused the inhibition of spermatogenesis.
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Affiliation(s)
- Jiaojiao Guo
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China; Inner Mongolia Engineering Technology Research Center of Germplasm Resources Conservation and Utilization, Hohhot, China.
| | - Zongxuan Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Jun Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Nan Liang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Yunshu Shi
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Jiameng Zhong
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Xu Zhang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Yu Hu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Buhe Nashun
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China.
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2
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Zhang C, Ma Y, Liu W, Ma S, Chen Z, Hao X, Sun Z, Wang Z. Transcriptomic and proteomic features of a mouse model of sperm DNA damage induced by benzo(a)pyrene. Reprod Toxicol 2024; 126:108596. [PMID: 38641015 DOI: 10.1016/j.reprotox.2024.108596] [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: 12/28/2023] [Revised: 04/05/2024] [Accepted: 04/16/2024] [Indexed: 04/21/2024]
Abstract
This study replicated a mouse model of sperm DNA damage induced by benzo(a)pyrene (BaP), and the transcriptomic and proteomic features of the model were examined to clarify the pathways related to BaP-induced damage to sperm DNA. Male mice in the BaP group were subjected to BaP at a dosage of 100 mg/kg/d or an equivalent quantity of saline solution in the control group for 60 days. Subsequently, the DNA fragmentation index (DFI) in sperm was assessed using a sperm chromatin structure assay (SCSA). RNA-seq and data-independent acquisition (DIA) were used to identify the mRNA and protein expression patterns in the testis. The sperm DFI significantly increased in the BaP group. Compared to the control group, the BaP group exhibited differential expression of 240 genes (referred to as DEGs) and 616 proteins (referred to as DEPs). These molecules included Aldh1a1, Cyb5r3, Fads1, Oxsm, Rcn3, and Prss45. Pathways in cancer, the PI3K-Akt signaling pathway, metabolic pathways, and the MAPK signaling pathway were the primary areas where these genes showed enrichment. BaP can damage the DNA of sperm and affect metabolism, the PI3K-Akt pathway, and pathways associated with cancer signaling.
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Affiliation(s)
- Chenming Zhang
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China; The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan 450003, China
| | - Yunfeng Ma
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China
| | - Wenbang Liu
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China
| | - Sicheng Ma
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China
| | - Zhelin Chen
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China
| | - XiaoHui Hao
- Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China
| | - Zixue Sun
- Henan Province Hospital of Traditional Chinese Medicine, 6 Dongfeng Road, Zhengzhou, Henan 450000, China.
| | - Zulong Wang
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan 450003, China.
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3
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Xu Q, Hu L, Miao W, Fu Z, Jin Y. Parental exposure to 3-methylcholanthrene before gestation adversely affected the endocrine system and spermatogenesis in male F1 offspring. Reprod Toxicol 2022; 110:161-171. [PMID: 35487396 DOI: 10.1016/j.reprotox.2022.04.007] [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: 02/01/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 10/18/2022]
Abstract
The compound 3-methylcholanthrene (3-MC) is an environmental pollutant belonging to the PAHs, which reportedly have the potential to disrupt the endocrine systems of animals. In the present study, 4-week-old male and female mice were given 3-MC through their diet at a dose of 0.5mg/kg of chow for 6 weeks before pregnancy. The first filial (F1) generation offspring of exposed or unexposed parental mice were sacrificed at the age of 5 or 10 weeks (F1-5W or F1-10W), and the potential effects on the F0 and F1 offspring were evaluated. The results showed that the serum and testicular testosterone (T) levels and the genes involved in T synthesis in F0 males and male F1-5W individuals born from female mice exposed to 3-MC were significantly decreased. In addition, histological analysis suggested that exposure to 3-MC significantly disrupted testicular morphology in F0 mice and in the offspring of female mice exposed to 3-MC. Further investigation revealed that genes involved in spermatogenesis, such as Phosphoglycerate kinase 2 (Pgk2), Glial cell derived neurotrophic factor (Gdnf), Myeloblastosis oncogene (Myb), DEAD box helicase 4 (Ddx4) and KIT proto-oncogene receptor tyrosine kinase (Kit), were suppressed in these mice. However, the adverse effects of parental 3-MC exposure on the adolescent mice were mitigated when they grew to adulthood, which was verified by studies on F1-10W mice. Our results suggest that female exposure to 3-MC has the potential to disrupt the endocrine system and spermatogenesis in male offspring; nevertheless, the adverse effects might be mitigated with age.
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Affiliation(s)
- Qihao Xu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China
| | - Lingyu Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China
| | - Wenyu Miao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China
| | - Yuanxiang Jin
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, Zhejiang, China.
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4
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Yahyazadeh R, Baradaran Rahimi V, Yahyazadeh A, Mohajeri SA, Askari VR. Promising effects of gingerol against toxins: A review article. Biofactors 2021; 47:885-913. [PMID: 34418196 DOI: 10.1002/biof.1779] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 08/04/2021] [Indexed: 12/11/2022]
Abstract
Ginger is a medicinal and valuable culinary plant. Gingerols, as an active constituent in the fresh ginger rhizomes of Zingiber officinale, exhibit several promising pharmacological properties. This comprehensive literature review was performed to assess gingerol's protective and therapeutic efficacy against the various chemical, natural, and radiational stimuli. Another objective of this study was to investigate the mechanism of anti-inflammatory, antioxidant, and antiapoptotic properties of gingerol. It should be noted that the data were gathered from in vivo and in vitro experimental studies. Gingerols can exert their protective activity through different mechanisms and cell signaling pathways. For example, these are mitogen-activated protein kinase (MAPK), nuclear factor-kappa B (NF-kB), Wnt/β-catenin, nuclear factor erythroid 2-related factor 2/antioxidant response element (Nrf2/ARE), transforming growth factor beta1/Smad3 (TGF-β1/Smad3), and extracellular signal-related kinase/cAMP-response element-binding protein (ERK/CREB). We hope that more researchers can benefit from this review to conduct preclinical and clinical studies, treat cancer, inflammation, and attenuate the side effects of drugs and industrial pollutants.
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Affiliation(s)
- Roghayeh Yahyazadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ahmad Yahyazadeh
- Department of Histology and Embryology, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Seyed Ahmad Mohajeri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Reza Askari
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Sciences in Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Persian Medicine, School of Persian and Complementary Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Tao LP, Li X, Zhao MZ, Shi JR, Ji SQ, Jiang WY, Liang QJ, Lei YH, Zhou YY, Cheng R, Shi Z, Deng W, Zhu J, Zhang SY. Chrysene, a four-ring polycyclic aromatic hydrocarbon, induces hepatotoxicity in mice by activation of the aryl hydrocarbon receptor (AhR). CHEMOSPHERE 2021; 276:130108. [PMID: 33711793 DOI: 10.1016/j.chemosphere.2021.130108] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 02/22/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are a group of persistent organic global environmental pollutants and cause harmful effects on human health. Here, we evaluated adverse effects of chrysene, which is a four-ring PAH and an important member of 16 priority PAHs, on the liver. Chrysene was detected in some common raw and cooked Chinese food samples. Hepatotoxicity including increased relative liver weight, hepatocyte swelling and degeneration, and elevated serum alanine aminotransferase (ALT) levels were observed in chrysene-exposed C57BL/6 mice. Glutamine treatment effectively ameliorated chrysene-induced mice liver injury by decreasing serum ALT levels. Chrysene induced mice hepatic glutathione depletion and oxidative DNA damage with increased 8-hydroxy-2'-deoxyguanosine (8-OHdG) levels. Hepatic expression levels of the aryl hydrocarbon receptor (AhR), AhR-related target genes including CYP1A1, CYP1A2 and CYP1B1, and AhR nuclear translocator (ARNT) were significantly increased in chrysene-exposed C57BL/6 mice. Chrysene induced mice hepatic mRNA levels of the nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-mediated phase II detoxifying and antioxidant enzymes including NQO1, UGT1A1, UGT1A6, SULT1A1, GSTm1, GSTm3, Catalase (CAT), GPx1, and SOD2. We found that chrysene had toxic effects including increased relative liver weight and elevated serum ALT levels on AhR+/+ mice but not AhR-/- mice. Chrysene significantly induced hepatic mRNA levels of CYP1A1 and CYP1A2 in AhR+/+ mice but not AhR-/- mice. To our knowledge, this study is the first to demonstrate that hepatotoxicity causes by chrysene is dependent on AhR, and Nrf2 plays an important regulation role in protection against oxidative liver injury induced by chrysene.
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Affiliation(s)
- Li-Ping Tao
- Department of Gastroenterology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Xue Li
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Ming-Zhu Zhao
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Jing-Ru Shi
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Si-Qi Ji
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Wen-Yuan Jiang
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Qiu-Ju Liang
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yu-Hang Lei
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yi-Yao Zhou
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Rong Cheng
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhe Shi
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Wenhai Deng
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Jiayin Zhu
- Laboratory of Animal Center, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Shu-Yun Zhang
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.
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6
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Owumi SE, Popoola O, Otunla MT, Okuu UA, Najophe ES. Benzo-a-pyrene-induced reproductive toxicity was abated in rats co-treated with taurine. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1949617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Solomon E. Owumi
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Opeoluwa Popoola
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Moses T. Otunla
- ChangeLab, Cancer Research and Molecular Biology Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
| | - Uche A. Okuu
- Cancer Immunology and Biotechnology, The University of Nottingham, Nottingham, UK
| | - Eseroghene S. Najophe
- Nutrition and Industrial Biochemistry Research Laboratory, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
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da Silva Moreira S, de Lima Inocêncio LC, Jorge BC, Reis ACC, Hisano H, Arena AC. Effects of benzo(a)pyrene at environmentally relevant doses on embryo-fetal development in rats. ENVIRONMENTAL TOXICOLOGY 2021; 36:831-839. [PMID: 33350577 DOI: 10.1002/tox.23085] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 06/12/2023]
Abstract
Studies have demonstrated that Benzo(a)Pyrene (BaP), a polycyclic aromatic hydrocarbon ubiquituous in the environment, can cause teratogenic effects. Since the majority of studies used in vitro models or high doses of BaP, this study evaluated the teratogenicity, reproductive and developmental performance of low doses of BaP through maternal and fetus examination after daily oral administration of BaP (0; 0.1; 1.0 or 10 μg/kg) to pregnant Wistar rats from Gestational day (GD) 6 to GD 15 (the organogenesis period). Pregnant rats did not exhibit clinical signs of toxicity during the exposure period. However, dams exposed to the lowest dose of BaP showed a reduction in the erythrocytes number and in the creatinine levels. The groups exposed to 0.1 and 1.0 μg/kg presented a decrease in placental efficiency, as well as an increase in placental weight. After fetal examination, the treated group with the lowest dose showed a reduced relative anogenital distance, while the curve of normal distribution of weight was changed in the highest dose group. In addition, anomalies evidenced by changes in the renal size and degree of fetal ossification were observed in treated-fetus. In conclusion, treatment with BaP during organogenesis at this dose level is detrimental to the normal development of fetuses.
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Affiliation(s)
- Suyane da Silva Moreira
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
| | - Leonardo Cesar de Lima Inocêncio
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
| | - Bárbara Campos Jorge
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
| | - Ana Carolina Casali Reis
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
| | | | - Arielle Cristina Arena
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
- Center of Toxicological Assistance (CEATOX), Institute of Biosciences of Botucatu, Universidade Estadual Paulista-Botucatu (UNESP), São Paulo, Brazil
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Jorge BC, Reis ACC, Sterde ÉT, Balin PDS, Scarano WR, Hisano H, Arena AC. Exposure to benzo(a)pyrene from juvenile period to peripubertal impairs male reproductive parameters in adult rats. CHEMOSPHERE 2021; 263:128016. [PMID: 33297042 DOI: 10.1016/j.chemosphere.2020.128016] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/11/2020] [Accepted: 08/12/2020] [Indexed: 06/12/2023]
Abstract
Benzo(a)pyrene (BaP) is a persistent organic pollutant and endocrine disruptor that can compromise the steroidogenesis process by interacting with the StAR protein, causing adverse effects on male reproduction. However, consequences of prepubertal BaP exposure and its impacts on adult life are yet unknown. This study investigated the effects of BaP exposure from the juvenile period to peripubertal on reproductive parameters in adult male rats. Males were exposed to 0; 0.1; 1 or 10 μg/kg/day of BaP from post-natal (PND) 23 to PND 53 (by gavage). The lowest dose of BaP was able to compromise the male copulatory behavior, as evidenced by the delay in the first mount, intromission and ejaculation. Furthermore, BaP-treated groups showed lower sperm quality (disrupted motility and morphology) and quantity, reduced relative weights of the thyroid and seminal gland. Serum testosterone levels and the Leydig cells nuclei volume were decreased by BaP exposure whereas the StAR expression was increased. Histopathological changes in the testis also were detected in the males exposed to BaP. These results showed that prepubertal BaP-exposure adversely influenced the male reproductive system in the adult life, indicating that a comprehensive risk assessment of BaP-exposure on prepubertal period is necessary.
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Affiliation(s)
- Bárbara Campos Jorge
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil
| | - Ana Carolina Casali Reis
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil
| | - Érika Tissiana Sterde
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil
| | - Paola da Silva Balin
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil
| | - Wellerson Rodrigo Scarano
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil
| | | | - Arielle Cristina Arena
- Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil; Center of Toxicological Assistance (CEATOX), Institute of Biosciences of Botucatu, Univ. Estadual Paulista - Botucatu (UNESP), São Paulo, Brazil.
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9
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Tajima H, Tajiki-Nishino R, Watanabe Y, Fukuyama T. Direct activation of aryl hydrocarbon receptor by benzo[a]pyrene elicits T-helper 2-driven proinflammatory responses in a mouse model of allergic dermatitis. J Appl Toxicol 2019; 39:936-944. [PMID: 30748024 DOI: 10.1002/jat.3782] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 12/12/2022]
Abstract
The aryl hydrocarbon receptor (AhR) is a ligand-dependent transcription factor that binds to various environmental chemicals and contributes to numerous toxicological effects. However, the direct effects of AhR on the development of allergic diseases are not fully understood. The main aim of this study was to elucidate the action of AhR in the development of cutaneous allergies. Initially, the potential for a direct relationship between AhR and the immune cells was investigated in vitro, using murine bone marrow-derived dendritic cells, human epidermal keratinocytes, and the mixed leukocyte reaction assay. Benzo[a]pyrene (BaP) and 6-formylindolo[3,2-b]carbazole were used as selective ligands for the AhR. Pretreatment with BaP and/or 6-formylindolo[3,2-b]carbazole significantly induced cytokine release by activated keratinocytes and T-cell proliferation, whereas interleukin-12 production in bone marrow-derived dendritic cells was reduced by AhR activation. To confirm the in vitro results, in vivo experiments were also performed in T-helper (Th)2-type hapten toluene-2,4-diisocyanate- and Th1-type hapten dinitrochlorobenzene-induced mouse models of allergic dermatitis. Mice were orally administered BaP at 48, 24 and 4 hours before the final allergen challenge. In the Th2 model, ear-swelling response and scratching behavior were promoted by BaP exposure, which supported the observed significant increases in local cytokine secretion. The infiltration of helper T cells, B cells and dendritic cells into the auricular lymph node was significantly enhanced by BaP administration, although Th1-type immune responses were not influenced by AhR activation. Our findings demonstrate that AhR activation directly activates keratinocytes and T cells, which leads to the exacerbation of Th2-type cutaneous allergy.
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Affiliation(s)
- Hitoshi Tajima
- Toxicology Division, Institute of Environmental Toxicology, 4321, Uchimoriya-machi, Joso-shi, Ibaraki, 303-0043, Japan
| | - Risako Tajiki-Nishino
- Toxicology Division, Institute of Environmental Toxicology, 4321, Uchimoriya-machi, Joso-shi, Ibaraki, 303-0043, Japan
| | - Yuko Watanabe
- Toxicology Division, Institute of Environmental Toxicology, 4321, Uchimoriya-machi, Joso-shi, Ibaraki, 303-0043, Japan
| | - Tomoki Fukuyama
- Toxicology Division, Institute of Environmental Toxicology, 4321, Uchimoriya-machi, Joso-shi, Ibaraki, 303-0043, Japan.,Laboratory of Veterinary Pharmacology, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara-shi, Kanagawa, 252-5201, Japan
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10
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Ji X, Chou X, Ge Z, Ding F, Gao H, Wu Q. Benzo[a
]pyrene-decreased gap junctional intercellular communication via calcium/calmodulin signaling increases apoptosis in TM4 cells. J Appl Toxicol 2018; 38:1091-1103. [DOI: 10.1002/jat.3618] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 02/07/2018] [Accepted: 02/07/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Xiaoli Ji
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
| | - Xin Chou
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
| | - Zehe Ge
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
| | - Fan Ding
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
| | - Hui Gao
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
| | - Qing Wu
- School of Public Health; Fudan University and Key Laboratory of Public Health Safety, Ministry of Education; 130 Dong An Road Shanghai 200032 China
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11
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Yang P, Wang YX, Sun L, Chen YJ, Liu C, Huang LL, Lu WQ, Zeng Q. Urinary metabolites of polycyclic aromatic hydrocarbons, sperm DNA damage and spermatozoa apoptosis. JOURNAL OF HAZARDOUS MATERIALS 2017; 329:241-248. [PMID: 28178639 DOI: 10.1016/j.jhazmat.2017.01.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 01/24/2017] [Accepted: 01/30/2017] [Indexed: 06/06/2023]
Abstract
Inconsistent results between polycyclic aromatic hydrocarbons (PAHs) exposure and adverse male reproductive health have been reported in humans. To assess whether PAH exposure is associated with declined sperm function. Ten monohydroxylated PAHs (OH-PAHs) metabolites were analyzed in repeated urine samples from an infertility clinic. We used multivariable linear models to estimate the associations of urinary OH-PAH metabolites with sperm DNA damage (n=405) and spermatozoa apoptosis (n=366). The shapes of dose-dependent associations of exposure measurements with outcomes were further evaluated by restricted cubic splines. Multiple comparisons were adjusted by false discovery rate (FDR). We found that urinary 9-hydroxyfluorene (9-OHFlu) was associated with increased tail length and comet length (p for trend=0.05 and 0.01, respectively), and that urinary 9-hydroxyphenanthrene (9-OHPh) was associated with decreased percentage of Annexin V-/PI- spermatozoa (p for trend=0.04). Also, suggestive associations of urinary 9-OHPh and ∑OHFlu with increased comet length, and urinary 9-OHFlu and 2-OHPh with decreased percentage of Annexin V-/PI- spermatozoa were observed (all p for trends <0.10). Further, these dose-dependent associations were confirmed in restricted cubic splines. Our results suggest that environmental exposure to fluorene and phenanthrene are associated with declined sperm function.
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Affiliation(s)
- Pan Yang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yi-Xin Wang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Li Sun
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Ying-Jun Chen
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chong Liu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Li-Li Huang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wen-Qing Lu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Qiang Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
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12
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Reddy KP, Reddy PS. Testicular and epididymal toxicity induced by benzo(a)pyrene, alcohol, and their combination in Wistar rats. Toxicol Res (Camb) 2016; 5:420-433. [PMID: 30090357 PMCID: PMC6062366 DOI: 10.1039/c5tx00420a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Accepted: 11/18/2015] [Indexed: 11/21/2022] Open
Abstract
Alcoholism and cigarette smoking are pervasive problems that have been implicated in human health. In this study, independent and combinative toxicities of alcohol and benzo(a)pyrene (BaP) were tested for reproductive toxicity in rats. Male Wistar rats were exposed to BaP (100 μg per kg body weight) on alternative days and alcohol (2 g per kg body weight per day) daily, either individually or in combination for 60 days. Exposure to BaP or alcohol significantly decreased the fertility index and reduced the number of implantations associated with elevated pre- and post-implantation losses. The relative weights of testes, epididymis, seminal vesicles, and prostate gland were significantly decreased in BaP or alcohol administered rats. Exposure to BaP or alcohol significantly decreased daily sperm production, sperm density, percentages of motile, viable, HOS-tail swelled sperm, testicular 3β- and 17β-hydroxysteroid dehydrogenase activity levels, mRNA levels of steroidogenic acute regulatory protein, and serum testosterone levels. Further, in silico studies revealed the binding of BaP at the hydrophobic tunnel of StAR protein. Additional studies disclosed stable interactions of BaP with the amide group of ASN150 and the hydroxyl group of THR263 by forming three hydrogen bonds. Our results also showed that treatment of rats with BaP or alcohol caused a marked increase in levels of superoxide anions, hydrogen peroxide, and lipid peroxidation in testis and epididymis. Conversely, glutathione levels and activity levels of superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase in testis as well as epididymis decreased significantly in the experimental rats. Under the same conditions, increased fragmented DNA levels were observed in sperm. The results of the present study indicate that exposure to BaP or alcohol adversely affected the male reproductive functions, which may be, at least in part, due to androgen deficiency and/or oxidative stress-related mechanisms. Consistently, the present results also showed higher reproductive toxicity upon exposure to combinations of BaP and alcohol than upon their individual treatments. Therefore, this combination was classified as additive and synergistic responses of BaP and alcohol.
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Affiliation(s)
- K Pratap Reddy
- Department of Biotechnology , Sri Venkateswara University , Tirupati - 517502 , India
- Department of Zoology , Sri Venkateswara University , Tirupati - 517502 , India . ; ; Tel: +91-9247593000
| | - P Sreenivasula Reddy
- Department of Zoology , Sri Venkateswara University , Tirupati - 517502 , India . ; ; Tel: +91-9247593000
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13
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Beal MA, Rowan-Carroll A, Campbell C, Williams A, Somers CM, Marchetti F, Yauk CL. Single-molecule PCR analysis of an unstable microsatellite for detecting mutations in sperm of mice exposed to chemical mutagens. Mutat Res 2015; 775:26-32. [PMID: 25863182 DOI: 10.1016/j.mrfmmm.2015.03.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/16/2015] [Accepted: 03/22/2015] [Indexed: 12/15/2022]
Abstract
Single-molecule PCR (SM-PCR) analysis of long and repetitive DNA sequences, known as expanded simple tandem repeats (ESTRs), has been the most efficient method for studying germline mutation induction in endogenous sequences to date. However, the long length of these sequences makes mutation detection imprecise and laborious, and they have been characterized only in mice. Here, we explore the use of unstable microsatellite sequences that can be typed with high precision by capillary electrophoresis as alternative loci for detecting germline mutations. We screened 24 microsatellite loci across inbred mouse strains and identified Mm2.2.1 as the most polymorphic microsatellite locus. We then optimized SM-PCR of Mm2.2.1 to detect mutations in sperm. SM-PCR analysis of sperm from untreated B6C3F1 and Muta(™)Mouse samples revealed mutation frequencies that are consistent with rates derived from family pedigree analysis (∼ 5 × 10(-3)). To determine whether this locus can be used to detect chemically induced germline mutations, Muta(™)Mouse males were exposed by oral gavage to a single dose of 100mg/kg of N-ethyl-N-nitrosourea (ENU) or to 100mg/kg of benzo(a)pyrene (BaP) for 28 days alongside vehicle treated controls. Sperm were collected 10 weeks post-ENU exposure to sample sperm exposed as spermatogonial stem cells and 6 weeks post-BaP exposure to sample sperm that were dividing spermatogonia when the exposure was terminated. Both treatments resulted in a significant (approximately 2-fold) increase in mutation frequency in sperm compared to the control animals. The work establishes the utility of this microsatellite for studying mutation induction in the germ cells of mice. Because microsatellites are found in virtually every species, this approach holds promise for other organisms, including humans.
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Affiliation(s)
- Marc A Beal
- Carleton University, Ottawa, Ontario K1S 5B6, Canada; Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
| | - Andrea Rowan-Carroll
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
| | - Caleigh Campbell
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
| | - Andrew Williams
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
| | | | - Francesco Marchetti
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
| | - Carole L Yauk
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario K1A 0K9, Canada.
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14
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Reddy KP, Girish BP, Reddy PS. Reproductive and paternal mediated developmental toxicity of benzo(a)pyrene in adult male Wistar rats. Toxicol Res (Camb) 2015. [DOI: 10.1039/c4tx00121d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this study, we evaluated reproductive toxic effects of benzo(a)pyrene (BaP) in adult male Wistar rats.
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Affiliation(s)
- K. Pratap Reddy
- Department of Biotechnology
- Sri Venkateswara University
- Tirupati – 517502
- India
- Department of Zoology
| | - B. P. Girish
- Department of Biotechnology
- Sri Venkateswara University
- Tirupati – 517502
- India
- Department of Zoology
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