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Lu H, Wang X, Zhang X, Yu W, Guo X, Wang R, Xie C, Ma J, Wang S. ZnT 9 Involvement in Estradiol-Modulated Zinc Homeostasis of the Human Follicular Microenvironment. Biol Trace Elem Res 2024; 202:1901-1909. [PMID: 37578601 DOI: 10.1007/s12011-023-03804-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/05/2023] [Indexed: 08/15/2023]
Abstract
Female subfertility has been a growing concern for reproductive health. Assisted reproductive technologies make pregnancy possible, but the outcome rate is still suboptimal. Zinc is an essential factor for fertility and development. Zinc levels in follicular fluids were measured by electrochemical method, and we found that zinc in the follicular fluids was related to high-quality embryo rate (R = 0.39, p = 0.01). Basal estradiol levels and estradiol levels on the day of HCG injection were negatively correlated with zinc concentrations in the follicular fluid (R = - 0.53, p < 0.001; R = - 0.32, p < 0.05), and estradiol promoted ZnT 9 protein expression in cumulus granulosa cells in vitro and in vivo. When the zinc level was at 3.63-3.85 μg/mL, follicular fluid samples had the highest SOD activity. Therefore, zinc played an important role in improving oocyte development by increasing antioxidant capacity. Our results suggested that estradiol affected zinc homeostasis in follicles by controlling the expression of ZnT 9, which in turn influenced the potential of oocytes to develop into good-quality embryos. This study to provide tangible improvements to patient outcomes will make it a focus of both scientific and translational efforts in the future.
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Affiliation(s)
- Hui Lu
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Xueying Wang
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Xiujia Zhang
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Wenbo Yu
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Xiaoli Guo
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Ruhua Wang
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Congcong Xie
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Jing Ma
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China
| | - Shusong Wang
- Hebei Key Laboratory of Reproductive Medicine, Hebei Reproductive Health Hospital, Hebei Institute of Reproductive Health Science and Technology, Xinhua District, No. 480 Heping Road, Shijiazhuang, 050071, China.
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Fan YG, Wu TY, Zhao LX, Jia RJ, Ren H, Hou WJ, Wang ZY. From zinc homeostasis to disease progression: Unveiling the neurodegenerative puzzle. Pharmacol Res 2024; 199:107039. [PMID: 38123108 DOI: 10.1016/j.phrs.2023.107039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/16/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
Zinc is a crucial trace element in the human body, playing a role in various physiological processes such as oxidative stress, neurotransmission, protein synthesis, and DNA repair. The zinc transporters (ZnTs) family members are responsible for exporting intracellular zinc, while Zrt- and Irt-like proteins (ZIPs) are involved in importing extracellular zinc. These processes are essential for maintaining cellular zinc homeostasis. Imbalances in zinc metabolism have been linked to the development of neurodegenerative diseases. Disruptions in zinc levels can impact the survival and activity of neurons, thereby contributing to the progression of neurodegenerative diseases through mechanisms like cell apoptosis regulation, protein phase separation, ferroptosis, oxidative stress, and neuroinflammation. Therefore, conducting a systematic review of the regulatory network of zinc and investigating the relationship between zinc dysmetabolism and neurodegenerative diseases can enhance our understanding of the pathogenesis of these diseases. Additionally, it may offer new insights and approaches for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Yong-Gang Fan
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China.
| | - Ting-Yao Wu
- First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Ling-Xiao Zhao
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Rong-Jun Jia
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Hang Ren
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Wen-Jia Hou
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China
| | - Zhan-You Wang
- Key Laboratory of Medical Cell Biology of Ministry of Education, Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China.
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Willekens J, Runnels LW. Impact of Zinc Transport Mechanisms on Embryonic and Brain Development. Nutrients 2022; 14:2526. [PMID: 35745255 PMCID: PMC9231024 DOI: 10.3390/nu14122526] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/09/2022] [Accepted: 06/09/2022] [Indexed: 12/04/2022] Open
Abstract
The trace element zinc (Zn) binds to over ten percent of proteins in eukaryotic cells. Zn flexible chemistry allows it to regulate the activity of hundreds of enzymes and influence scores of metabolic processes in cells throughout the body. Deficiency of Zn in humans has a profound effect on development and in adults later in life, particularly in the brain, where Zn deficiency is linked to several neurological disorders. In this review, we will summarize the importance of Zn during development through a description of the outcomes of both genetic and early dietary Zn deficiency, focusing on the pathological consequences on the whole body and brain. The epidemiology and the symptomology of Zn deficiency in humans will be described, including the most studied inherited Zn deficiency disease, Acrodermatitis enteropathica. In addition, we will give an overview of the different forms and animal models of Zn deficiency, as well as the 24 Zn transporters, distributed into two families: the ZIPs and the ZnTs, which control the balance of Zn throughout the body. Lastly, we will describe the TRPM7 ion channel, which was recently shown to contribute to intestinal Zn absorption and has its own significant impact on early embryonic development.
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Affiliation(s)
| | - Loren W. Runnels
- Department of Pharmacology, Rutgers-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA;
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