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He F, Mu X, Zhang Y, Wang Y, Geng J, Geng Y, Ma Y, Yin X, Gao R, Chen X, He J. Late gestational exposure to fenvalerate impacts ovarian reserve in neonatal mice via YTHDF2-mediated P-body assembly. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 925:171790. [PMID: 38508253 DOI: 10.1016/j.scitotenv.2024.171790] [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: 01/05/2024] [Revised: 03/12/2024] [Accepted: 03/16/2024] [Indexed: 03/22/2024]
Abstract
Fenvalerate (FEN), a type II pyrethroid pesticide, finds extensive application in agriculture, graziery and public spaces for pest control, resulting in severe environmental pollution. As an environmental endocrine disruptor with estrogen-like activity, exposure to FEN exhibited adverse effects on ovarian functions. Additionally, the presence of the metabolite of FEN in women's urine shows a positive association with the risk of primary ovarian insufficiency (POI). In mammals, the primordial follicle pool established during the early life serves as a reservoir for storing all available oocytes throughout the female reproductive life. The initial size of the primordial follicle pool and the rate of its depletion affect the occurrence of POI. Nevertheless, there is very limited research about the impact of FEN exposure on primordial folliculogenesis. In this study, pregnant mice were orally administrated with 0.2, 2.0 and 20.0 mg/kg FEN from 16.5 to 18.5 days post-coitus (dpc). Ovaries exposed to FEN exhibited the presence of large germ-cell cysts that persist on 1 days post-parturition (1 dpp), followed by a significant reduction in the total number of oocytes in pups on 5 dpp. Moreover, the levels of m6A-RNA and its associated proteins METTL3 and YTHDF2 were significantly increased in the ovaries exposed to FEN. The increased YTHDF2 promoted the assembly of the cytoplasmic processing bodies (P-body) in the oocytes, accompanied with altered expression of transcripts. Additionally, when YTHDF2 was knocked-down in fetal ovary cultures, the primordial folliculogenesis disrupted by FEN exposure was effectively restored. Further, the female offspring exposed to FEN displayed ovarian dysfunctions reminiscent of POI in early adulthood, characterized by decreases in ovarian coefficient and female hormone levels. Therefore, the present study revealed that exposure to FEN during late pregnancy disrupted primordial folliculogenesis by YTHDF2-mediated P-body assembly, causing enduring adverse effects on female fertility.
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Affiliation(s)
- Fei He
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Xinyi Mu
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China; School of Basic Medicine, Chongqing Medical University, Chongqing 400016, PR China
| | - Yan Zhang
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Yongheng Wang
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China; School of Basic Medicine, Chongqing Medical University, Chongqing 400016, PR China
| | - Jianwei Geng
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China; School of Basic Medicine, Chongqing Medical University, Chongqing 400016, PR China
| | - Yanqing Geng
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China; School of Basic Medicine, Chongqing Medical University, Chongqing 400016, PR China
| | - Yidan Ma
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Xin Yin
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Rufei Gao
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Xuemei Chen
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China
| | - Junlin He
- Department of Health Toxicology, School of Public Health, Chongqing Medical University, Chongqing 400016, PR China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing 400016, PR China.
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Cui K, Wang J, Ma G, Guan S, Liang J, Fang L, Ding R, Li T, Dong Z, Wu X, Zheng Y. Residue levels, processing factors and risk assessment of pesticides in ginger from market to table. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134268. [PMID: 38608592 DOI: 10.1016/j.jhazmat.2024.134268] [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: 02/26/2024] [Revised: 03/29/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
Ginger is consumed as a spice and medicine globally. However, pesticide residues in ginger and their residue changes during processing remain poorly understood. Our results demonstrate that clothianidin, carbendazim and imidacloprid were the top detected pesticides in 152 ginger samples with detection rates of 17.11-27.63%, and these pesticides had higher average residues of 44.07-97.63 μg/kg. Although most samples contained low levels of pesticides, 66.45% of the samples were detected with pesticides, and 38.82% were contaminated with 2-5 pesticides. Peeling, washing, boiling and pickling removed different amounts of pesticides from ginger (processing factor range: 0.06-1.56, most <1). By contrast, pesticide residues were concentrated by stir-frying and drying (0.50-6.45, most >1). Pesticide residues were influenced by pesticide physico-chemical parameters involving molecular weight, melting point, degradation point and octanol-water partition coefficient by different ginger processing methods. Chronic and acute dietary risk assessments suggest that dietary exposure to pesticides from ginger consumption was within acceptable levels for the general population. This study sheds light on pesticide residues in ginger from market to processing and is of theoretical and practical value for ensuring ginger quality and safety.
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Affiliation(s)
- Kai Cui
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Jian Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Guoping Ma
- Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China
| | - Shuai Guan
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Jingyun Liang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Liping Fang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Ruiyan Ding
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Teng Li
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Zhan Dong
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, People's Republic of China; Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China.
| | - Xiaohu Wu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
| | - Yongquan Zheng
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
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Xiao S, Du J, Yuan G, Luo X, Song L. Granulosa Cells-Related MicroRNAs in Ovarian Diseases: Mechanism, Facts and Perspectives. Reprod Sci 2024:10.1007/s43032-024-01523-w. [PMID: 38594585 DOI: 10.1007/s43032-024-01523-w] [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: 10/29/2023] [Accepted: 03/19/2024] [Indexed: 04/11/2024]
Abstract
MicroRNAs (miRNAs) are a class of short single-stranded, noncoding RNAs that affect the translation of mRNAs by imperfectly binding to homologous 3'UTRs. Research on miRNAs in ovarian diseases is constantly expanding because miRNAs are powerful regulators of gene expression and cellular processes and are promising biomarkers. miRNA mimics, miRNA inhibitors and molecules targeting miRNAs (antimiRs) have shown promise as novel therapeutic agents in preclinical development. Granulosa cells (GCs) are supporting cells for developing oocytes in the ovary. GCs regulate female reproductive health by producing sex hormones and LH receptors. Increasing research has reported the relevance of miRNAs in GC pathophysiology. With in-depth studies of disease mechanisms, there are an increasing number of studies on the biomolecular pathways of miRNAs in gynecology and endocrinology. In the present review, we summarize the different functions of GC-related microRNAs in various ovarian disorders, such as polycystic ovary syndrome, premature ovarian insufficiency, premature ovarian failure and ovarian granulosa cell tumors.
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Affiliation(s)
- Shengmin Xiao
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, People's Republic of China
| | - Juan Du
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, People's Republic of China
| | - Guanghui Yuan
- Department of Oncology, Hejiang Hospital of Traditional Chinese Medicine, Luzhou, 611137, People's Republic of China
| | - Xiaohong Luo
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, People's Republic of China.
| | - Linjiang Song
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, People's Republic of China.
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Liess M, Gröning J. Latent pesticide effects and their mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168368. [PMID: 37952673 DOI: 10.1016/j.scitotenv.2023.168368] [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: 09/20/2023] [Revised: 11/02/2023] [Accepted: 11/04/2023] [Indexed: 11/14/2023]
Abstract
Short pulses of toxicants can cause latent effects that occur long after the contamination event and are currently unpredictable. Here, we introduce an analytical framework for mechanistically predicting latent effects considering interactive effects of multiple stressors and hormetic effect compensation. We conducted an extensive investigation using high temporal resolution microcosm data of the mayfly Cloeon dipterum exposed to the pyrethroid pesticide esfenvalerate for 1 h. For 6 pesticide concentrations and 3 food levels we identified daily general stress information and predicted their synergistic interactions using the Stress Addition Model (SAM). Our analysis revealed that, especially at low concentrations, latent effects contributed most to the overall effect. At low concentrations ranging from 1/100 to 1/10,000 of the acute LC50, resulting in a 30-15 % mortality, latent effects prevailed, accounting for 92 % to 100 % of the observed effects. Notably, the concentration causing 15 % mortality 29 days post-exposure was 1000 times lower than the concentration causing the same mortality 4 days post-exposure, emphasizing the time-dependent nature of this Latent-Effect-Amplification (LEA). We identified both acute mortality and latent effects of pesticides on emergence. Furthermore, we observed pesticide-induced compensation mechanisms at both individual and population levels, transforming the initial monotonic concentration-response relationship into a hormetic, tri-phasic response pattern. Combining these processes enabled a quantification of the underlying causes of latent effects. Our findings highlight that short-term pesticide exposures can lead to latent effects of particular significance, especially at low effect concentrations.
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Affiliation(s)
- Matthias Liess
- UFZ - Helmholtz Centre for Environmental Research, Dept. System-Ecotoxicology, Permoserstrasse 15, D-04318 Leipzig, Germany; RWTH Aachen University, Institute for Environmental Research (Biology V), Worringerweg 1, 52074 Aachen, Germany.
| | - Jonas Gröning
- UFZ - Helmholtz Centre for Environmental Research, Dept. System-Ecotoxicology, Permoserstrasse 15, D-04318 Leipzig, Germany; RPTU Kaiserslautern-Landau, Institute for Environmental Sciences, Fortstr. 7, 76829 Landau, Germany
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Kovac L, Speckmann T, Jähnert M, Gottmann P, Fritsche L, Häring HU, Birkenfeld AL, Fritsche A, Schürmann A, Ouni M. Identification of MicroRNAs Associated with Prediabetic Status in Obese Women. Int J Mol Sci 2023; 24:15673. [PMID: 37958657 PMCID: PMC10648886 DOI: 10.3390/ijms242115673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/23/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
MicroRNAs (miRNAs) recently emerged as means of communication between insulin-sensitive tissues to mediate diabetes development and progression, and as such they present a valuable proxy for epigenetic alterations associated with type 2 diabetes. In order to identify miRNA markers for the precursor of diabetes called prediabetes, we applied a translational approach encompassing analysis of human plasma samples, mouse tissues and an in vitro validation system. MiR-652-3p, miR-877-5p, miR-93-5p, miR-130a-3p, miR-152-3p and let-7i-5p were increased in plasma of women with impaired fasting glucose levels (IFG) compared to those with normal fasting glucose and normal glucose tolerance (NGT). Among these, let-7i-5p and miR-93-5p correlated with fasting blood glucose levels. Human data were then compared to miRNome data obtained from islets of Langerhans and adipose tissue of 10-week-old female New Zealand Obese mice, which differ in their degree of hyperglycemia and liver fat content. Similar to human plasma, let-7i-5p was increased in adipose tissue and islets of Langerhans of diabetes-prone mice. As predicted by the in silico analysis, overexpression of let-7i-5p in the rat β-cell line INS-1 832/12 resulted in downregulation of insulin signaling pathway components (Insr, Rictor, Prkcb, Clock, Sos1 and Kcnma1). Taken together, our integrated approach highlighted let-7i-5p as a potential regulator of whole-body insulin sensitivity and a novel marker of prediabetes in women.
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Affiliation(s)
- Leona Kovac
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
| | - Thilo Speckmann
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
| | - Markus Jähnert
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
| | - Pascal Gottmann
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
| | - Louise Fritsche
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich, University of Tübingen, 72074 Tübingen, Germany
| | - Hans-Ulrich Häring
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich, University of Tübingen, 72074 Tübingen, Germany
- Department of Internal Medicine IV, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Andreas L. Birkenfeld
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich, University of Tübingen, 72074 Tübingen, Germany
- Department of Internal Medicine IV, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Andreas Fritsche
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
- Institute of Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich, University of Tübingen, 72074 Tübingen, Germany
- Department of Internal Medicine IV, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Annette Schürmann
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
- Institute of Nutritional Sciences, University of Potsdam, 14558 Nuthetal, Germany
| | - Meriem Ouni
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; (L.K.); (M.J.); (P.G.); (M.O.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany; (L.F.); (H.-U.H.); (A.L.B.); (A.F.)
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Ruomeng B, Meihao O, Siru Z, Shichen G, Yixian Z, Junhong C, Ruijie M, Yuan L, Gezhi X, Xingyu C, Shiyi Z, Aihui Z, Fang B. Degradation strategies of pesticide residue: From chemicals to synthetic biology. Synth Syst Biotechnol 2023; 8:302-313. [PMID: 37122957 PMCID: PMC10130697 DOI: 10.1016/j.synbio.2023.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 04/04/2023] Open
Abstract
The past 50 years have witnessed a massive expansion in the demand and application of pesticides. However, pesticides are difficult to be completely degraded without intervention hence the pesticide residue could pose a persistent threat to non-target organisms in many aspects. To aim at the problem of the abuse of pesticide products and excessive pesticide residues in the environment, chemical and biological degradation methods are widely developed but are scaled and insufficient to solve such a pollution. In recent years, bio-degradative tools instructed by synthetic biological principles have been further studied and have paved a way for pesticide degradation. Combining the customized design strategy and standardized assembly mode, the engineering bacteria for multi-dimensional degradation has become an effective tool for pesticide residue degradation. This review introduces the mechanisms and hazards of different pesticides, summarizes the methods applied in the degradation of pesticide residues, and discusses the advantages, applications, and prospects of synthetic biology in degrading pesticide residues.
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Allethrin Promotes Apoptosis and Autophagy Associated with the Oxidative Stress-Related PI3K/AKT/mTOR Signaling Pathway in Developing Rat Ovaries. Int J Mol Sci 2022; 23:ijms23126397. [PMID: 35742842 PMCID: PMC9224321 DOI: 10.3390/ijms23126397] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 02/04/2023] Open
Abstract
The increased concern regarding the reduction in female fertility and the impressive numbers of women undergoing fertility treatment support the existence of environmental factors beyond inappropriate programming of developing ovaries. Among these factors are pyrethroids, which are currently some of the most commonly used pesticides worldwide. The present study was performed to investigate the developmental effects of the pyrethroid-based insecticide allethrin on ovarian function in rat offspring in adulthood. We mainly focused on the roles of oxidative stress, apoptosis, autophagy and the related pathways in ovarian injury. Thirty-day-old Wistar albino female rats were intragastrically administered 0 (control), 34.2 or 68.5 mg/kg body weight allethrin after breeding from Day 6 of pregnancy until delivery. We found that allethrin-induced ovarian histopathological damage was accompanied by elevations in oxidative stress and apoptosis. Interestingly, the number of autophagosomes in allethrin-treated ovaries was higher, and this increase was correlated with the upregulated expression of genes and proteins related to the autophagic marker LC-3. Furthermore, allethrin downregulated the expression of PI3K, AKT and mTOR in allethrin-treated ovaries compared with control ovaries. Taken together, the findings of this study suggest that exposure to the pyrethroid-based insecticide allethrin adversely affects both the follicle structure and function in rat offspring during adulthood. Specifically, allethrin can induce excessive oxidative stress and defective autophagy-related apoptosis, probably through inactivation of the PI3K/AKT/mTOR signaling pathway, and these effects may contribute to ovarian dysfunction and impaired fertility in female offspring.
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