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Li Z, Xian H, Ye R, Zhong Y, Liang B, Huang Y, Dai M, Guo J, Tang S, Ren X, Bai R, Feng Y, Deng Y, Yang X, Chen D, Yang Z, Huang Z. Gender-specific effects of polystyrene nanoplastic exposure on triclosan-induced reproductive toxicity in zebrafish (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 932:172876. [PMID: 38692326 DOI: 10.1016/j.scitotenv.2024.172876] [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: 12/07/2023] [Revised: 02/20/2024] [Accepted: 04/27/2024] [Indexed: 05/03/2024]
Abstract
Nanoplastics (NPs) and triclosan (TCS) are ubiquitous emerging environmental contaminants detected in human samples. While the reproductive toxicity of TCS alone has been studied, its combined effects with NPs remain unclear. Herein, we employed Fourier transform infrared spectroscopy and dynamic light scattering to characterize the coexposure of polystyrene nanoplastics (PS-NPs, 50 nm) with TCS. Then, adult zebrafish were exposed to TCS at environmentally relevant concentrations (0.361-48.2 μg/L), with or without PS-NPs (1.0 mg/L) for 21 days. TCS biodistribution in zebrafish tissues was investigated using ultra-performance liquid chromatography coupled with triple quadrupole mass spectrometry. Reproductive toxicity was assessed through gonadal histopathology, fertility tests, changes in steroid hormone synthesis and gene expression within the hypothalamus-pituitary-gonad-liver (HPGL) axis. Transcriptomics and proteomics were applied to explore the underlying mechanisms. The results showed that PS-NPs could adsorb TCS, thus altering the PS-NPs' physical characteristics. Our observations revealed that coexposure with PS-NPs reduced TCS levels in the ovaries, livers, and brains of female zebrafish. Conversely, in males, coexposure with PS-NPs increased TCS levels in the testes and livers, while decreasing them in the brain. We found that co-exposure mitigated TCS-induced ovary development inhibition while exacerbated TCS-induced spermatogenesis suppression, resulting in increased embryonic mortality and larval malformations. This co-exposure influenced the expression of genes linked to steroid hormone synthesis (cyp11a1, hsd17β, cyp19a1) and attenuated the TCS-decreased estradiol (E2) in females. Conversely, testosterone levels were suppressed, and E2 levels were elevated due to the upregulation of specific genes (cyp11a1, hsd3β, cyp19a1) in males. Finally, the integrated analysis of transcriptomics and proteomics suggested that the aqp12-dctn2 pathway was involved in PS-NPs' attenuation of TCS-induced reproductive toxicity in females, while the pck2-katnal1 pathway played a role in PS-NPs' exacerbation of TCS-induced reproductive toxicity in males. Collectively, PS-NPs altered TCS-induced reproductive toxicity by disrupting the HPGL axis, with gender-specific effects.
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Affiliation(s)
- Zhiming Li
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Hongyi Xian
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Rongyi Ye
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Yizhou Zhong
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Boxuan Liang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Yuji Huang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Mingzhu Dai
- Hunter Biotechnology, Inc., Hangzhou 310051, China
| | - Jie Guo
- Hunter Biotechnology, Inc., Hangzhou 310051, China
| | - Shuqin Tang
- College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Xiaohu Ren
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ruobing Bai
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Yu Feng
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Yanhong Deng
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Xingfen Yang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Da Chen
- College of Environment and Climate, Guangdong Provincial Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Zhu Yang
- State Key Laboratory of Environmental and Biological Analysis, Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Department of Biology, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region, China
| | - Zhenlie Huang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou 510515, China; Department of Cardiovascular Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
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Ding F, Liu Y, Chen J, Li Y, Guo X, Wu J, Liu Q. Proton pump inhibitors affect sperm parameters by regulating aquaporins. Heliyon 2023; 9:e17911. [PMID: 37539124 PMCID: PMC10395288 DOI: 10.1016/j.heliyon.2023.e17911] [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: 05/04/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 08/05/2023] Open
Abstract
Proton pump inhibitors (PPIs) were one of the most commonly used drugs in daily life. The adverse effects of long-term use of PPIs have aroused widespread controversy. It was of great significance to explore the molecular mechanism of sperm abnormality caused by PPIs. The PPI group was given omeprazole by gavage for 28 days. After the omeprazole intervention, the caudal epididymis was dissected to obtain sperms, and the sperm was counted through the microscope, as the acrosomal integrity was observed through PNA-FITC staining. The expression of aquaporins were detected by immunofluorescence and western blot in the testis, epididymis and spermatozoa. The liver cytochrome enzyme was evaluated by immunohistochemistry and western blot. We detected the serum estrogen level by ELISA, and the level of alanine transaminase (ALT) were detected through microplate method. The sperm count in PPI group was less than control group (p < 0.05), and the sperm acrosin integrity in PPI group was lower than control group (p < 0.05). In the testis, the expression of aquaporin 3 and aquaporin 8 in PPI group was higher than control group (p < 0.05), while the expression of aquaporin 7 was lower than control group (p < 0.05). In the epididymal and sperm, the expression of aquaporin 3 and aquaporin 7 in PPI group was higher than control group (p < 0.05), while the expression of aquaporin 8 in PPI group was lower than control group (p < 0.05). Meanwhile, the liver cytochrome enzyme in PPI group were lower than control group (p < 0.05), and estrogen and ALT in PPI group were higher than control group (p < 0.05). PPI may lead to the up-regulation of estrogen by inhibiting the activity of cytochrome enzyme, and then lead to the dysfunction of sperm parameters and acrosin integrity by affecting aquaporins function.
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Affiliation(s)
- Fadian Ding
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Yuxin Liu
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
| | - Jintong Chen
- Department of Gastroenterology, 1st Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China
| | - Youzhu Li
- Department of Reproductive Medicine, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, No. 6 Guchengxi Road, Si Ming, Xiamen, 361003, China
| | - Xinxin Guo
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
| | - Jianmin Wu
- Department of Geriatric Medicine, The First Affiliated Hospital of, Fujian Medical University, Fuzhou, China
| | - Qicai Liu
- Center of Reproductive Medicine, The First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, Fujian, China
- Vanke School of Public Health, Tsinghua University, Beijing, 100084, China
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Importance of Water Transport in Mammalian Female Reproductive Tract. Vet Sci 2023; 10:vetsci10010050. [PMID: 36669051 PMCID: PMC9865491 DOI: 10.3390/vetsci10010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/26/2022] [Accepted: 12/30/2022] [Indexed: 01/13/2023] Open
Abstract
Aquaporins (AQPs) are involved in water homeostasis in tissues and are ubiquitous in the reproductive tract. AQPs are classified into classical aquaporins (AQP0, 1, 2, 4, 5, 6 and 8), aquaglycerolporins (AQP3, 7, 9, and 10) and superaquaporins (AQP11 and 12). Nine AQPs were described in the mammalian female reproductive tract. Some of their functions are influenced by sexual steroid hormones. The continuous physiological changes that occur throughout the sexual cycle, pregnancy and parturition, modify the expression of AQPs, thus creating at every moment the required water homeostasis. AQPs in the ovary regulate follicular development and ovulation. In the vagina and the cervix, AQPs are involved mainly in lubrication. In the uterus, AQPs are mostly mediated by estradiol and progesterone to prepare the endometrium for possible embryo implantation and fetal development. In the placenta, AQPs are responsible for the fluid support to the fetus to maintain fetal homeostasis that ensures correct fetal development as pregnancy goes on. This review is focused on understanding the role of AQPs in the mammalian female reproductive tract during the sexual cycle of pregnancy and parturition.
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Zhang H, Yang B. Aquaporins in Reproductive System. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1398:179-194. [PMID: 36717494 DOI: 10.1007/978-981-19-7415-1_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
AQP0-12, a total of 13 aquaporins are expressed in the mammalian reproductive system. These aquaporins mediate the transport of water and small solutes across biofilms for maintaining reproductive tract water balance and germ cell water homeostasis. These aquaporins play important roles in the regulation of sperm and egg cell production, maturation, and fertilization processes. Impaired AQP function may lead to diminished male and female fertility. This review focuses on the distribution, function, and regulation of AQPs throughout the male and female reproductive organs and tracts. Their correlation with reproductive success, revealing recent advances in the physiological and pathophysiological roles of aquaporins in the reproductive system.
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Affiliation(s)
- Hang Zhang
- School of Basic Medical Sciences, Peking University, Beijing, China
| | - Baoxue Yang
- School of Basic Medical Sciences, Peking University, Beijing, China.
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Ismail NH, Ibrahim SF, Mokhtar MH, Yahaya A, Zulkefli AF, Ankasha SJ, Osman K. Modulation of vulvovaginal atrophy (VVA) by Gelam honey in bilateral oophorectomized rats. Front Endocrinol (Lausanne) 2023; 14:1031066. [PMID: 36923220 PMCID: PMC10010262 DOI: 10.3389/fendo.2023.1031066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 02/02/2023] [Indexed: 03/03/2023] Open
Abstract
INTRODUCTION Vulvovaginal atrophy (VVA) is a common condition in post-menopausal women. Symptoms of VVA include dyspareunia, vaginal dryness, vaginal and/or vulvar itching, burning and soreness, dysuria and vaginal bleeding accompanying sexual activity. These symptoms are physiological responses to hypoestrogenicity, inducing atrophy of the vagina epithelia and sudden reduction in mucous production. Prevailing therapy for VVA is hormone replacement therapy (HRT), notably estrogen, progesterone or a combination of the two. However, using HRT is associated with an increased incidence of breast and endometrial cancer, venous thromboembolism in the lungs and legs, stroke and cardiovascular complications. METHODS This study evaluated Malaysian Gelam honey as a nutraceutical alternative to estrogen HRT (ERT) in alleviating VVA. A total of 24 female 8-weekold Sprague Dawley rats underwent bilateral oophorectomy. A minimum of 14 days elapsed from the time of surgery and administration of the first dose of Gelam honey to allow the female hormones to subside to a stable baseline and complete recovery from surgery. Vaginal tissues were harvested following a 2-week administration of Gelam honey, the harvested vagina tissue underwent immunohistochemistry (IHC) analysis for protein localization and qPCR for mRNA expression analysis. RESULTS Results indicated that Gelam honey administration had increased the localization of Aqp1, Aqp5, CFTR and Muc1 proteins in vaginal tissue compared to the menopause group. The effect of Gelam honey on the protein expressions is summarized as Aqp1>CFTR>Aqp5>Muc1. DISCUSSION Gene expression analysis reveals Gelam honey had no effect on Aqp1 and CFTR genes. Gelam honey had up-regulated Aqp5 gene expression. However, its expression was lower than in the ERT+Ovx group. Additionally, Gelam honey up-regulated Muc1 in the vagina, with an expression level higher than those observed either in the ERT+Ovx or SC groups. Gelam honey exhibits a weak estrogenic effect on the genes and proteins responsible for regulating water in the vaginal tissue (Aqp1, Aqp5 and CFTR). In contrast, Gelam honey exhibits a strong estrogenic ability in influencing gene and protein expression for the sialic acid Muc1. Muc1 is associated with mucous production at the vaginal epithelial layer. In conclusion, the protein and gene expression changes in the vagina by Gelam honey had reduced the occurrence of vaginal atrophy in surgically-induced menopause models.
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Affiliation(s)
- Nur Hilwani Ismail
- Faculty of Applied Sciences, School of Biological Sciences, Universiti Teknologi MARA, Shah Alam, Malaysia
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Siti Fatimah Ibrahim
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mohd Helmy Mokhtar
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Azyani Yahaya
- Department of Pathology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Aini Farzana Zulkefli
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Sheril June Ankasha
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Khairul Osman
- Centre of Diagnostic, Therapeutic & Investigative Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Bangi, Malaysia
- *Correspondence: Khairul Osman,
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Angulo J, Hannan JL. Cardiometabolic Diseases and Female Sexual Dysfunction: Animal Studies. J Sex Med 2022; 19:408-420. [DOI: 10.1016/j.jsxm.2021.12.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 01/21/2023]
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Ribeiro JC, Alves MG, Yeste M, Cho YS, Calamita G, Oliveira PF. Aquaporins and (in)fertility: More than just water transport. Biochim Biophys Acta Mol Basis Dis 2020; 1867:166039. [PMID: 33338597 DOI: 10.1016/j.bbadis.2020.166039] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/31/2022]
Abstract
Aquaporins (AQPs) are a family of channel proteins that facilitate the transport of water and small solutes across biological membranes. They are widely distributed throughout the organism, having a number of key functions, some of them unexpected, both in health and disease. Among the various diseases in which AQPs are involved, infertility has been overlooked. According to the World Health Organization (WHO) infertility is a global public health problem with one third of the couples suffering from subfertility or even infertility due to male or female factors alone or combined. Thus, there is an urgent need to unveil the molecular mechanisms that control gametes production, maturation and fertilization-related events, to more specifically determine infertility causes. In addition, as more couples seek for fertility treatment through assisted reproductive technologies (ART), it is pivotal to understand how these techniques can be improved. AQPs are heterogeneously expressed throughout the male and female reproductive tracts, highlighting a possible regulatory role for these proteins in conception. In fact, their function, far beyond water transport, highlights potential intervention points to enhance ART. In this review we discuss AQPs distribution and structural organization, functions, and modulation throughout the male and female reproductive tracts and their relevance to the reproductive success. We also highlight the most recent advances and research trends regarding how the different AQPs are involved and regulated in specific mechanisms underlying (in)fertility. Finally, we discuss the involvement of AQPs in ART-related processes and how their handling can lead to improvement of infertility treatment.
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Affiliation(s)
- João C Ribeiro
- Department of Anatomy, and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal; QOPNA & LAQV, Department of Chemistry, University of Aveiro, Portugal
| | - Marco G Alves
- Department of Anatomy, and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, E-17003 Girona, Spain; Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, E-17003 Girona, Spain
| | - Yoon S Cho
- Centro di Procreazione Medicalmente Assistita, Ospedale Santa Maria, Bari, Italy
| | - Giuseppe Calamita
- Dept. of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "Aldo Moro", Bari, Italy
| | - Pedro F Oliveira
- QOPNA & LAQV, Department of Chemistry, University of Aveiro, Portugal.
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Kordowitzki P, Kranc W, Bryl R, Kempisty B, Skowronska A, Skowronski MT. The Relevance of Aquaporins for the Physiology, Pathology, and Aging of the Female Reproductive System in Mammals. Cells 2020; 9:cells9122570. [PMID: 33271827 PMCID: PMC7760214 DOI: 10.3390/cells9122570] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/23/2020] [Accepted: 11/29/2020] [Indexed: 12/26/2022] Open
Abstract
Aquaporins constitute a group of water channel proteins located in numerous cell types. These are pore-forming transmembrane proteins, which mediate the specific passage of water molecules through membranes. It is well-known that water homeostasis plays a crucial role in different reproductive processes, e.g., oocyte transport, hormonal secretion, completion of successful fertilization, blastocyst formation, pregnancy, and birth. Further, aquaporins are involved in the process of spermatogenesis, and they have been reported to be involved during the storage of spermatozoa. It is noteworthy that aquaporins are relevant for the physiological function of specific parts in the female reproductive system, which will be presented in detail in the first section of this review. Moreover, they are relevant in different pathologies in the female reproductive system. The contribution of aquaporins in selected reproductive disorders and aging will be summarized in the second section of this review, followed by a section dedicated to aquaporin-related proteins. Since the relevance of aquaporins for the male reproductive system has been reviewed several times in the recent past, this review aims to provide an update on the distribution and impact of aquaporins only in the female reproductive system. Therefore, this paper seeks to determine the physiological and patho-physiological relevance of aquaporins on female reproduction, and female reproductive aging.
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Affiliation(s)
- Paweł Kordowitzki
- Department of Basic and Preclinical Sciences, Institute for Veterinary Medicine, Nicolaus Copernicus University, 87-100 Torun, Poland;
- Institute of Animal Reproduction and Food Research of Polish Academy of Sciences, 10-243 Olsztyn, Poland
| | - Wiesława Kranc
- Department of Anatomy, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (W.K.); (R.B.); (B.K.)
| | - Rut Bryl
- Department of Anatomy, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (W.K.); (R.B.); (B.K.)
| | - Bartosz Kempisty
- Department of Anatomy, Poznan University of Medical Sciences, 60-781 Poznan, Poland; (W.K.); (R.B.); (B.K.)
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
- Department of Veterinary Surgery, Institute for Veterinary Medicine, Nicolaus Copernicus University, 87-100 Torun, Poland
| | - Agnieszka Skowronska
- Department of Human Physiology and Pathophysiology, School of Medicine, Collegium Medicum, University of Warmia and Mazury, Warszawska Street 30, 10-082 Olsztyn, Poland;
| | - Mariusz T. Skowronski
- Department of Basic and Preclinical Sciences, Institute for Veterinary Medicine, Nicolaus Copernicus University, 87-100 Torun, Poland;
- Correspondence: ; Tel.: +48-56-611-2231
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Im JW, Lee CY, Kim DH, Bae HR. Differential Expressions of Aquaporin Subtypes in Female Reproductive Tract of Mice. Dev Reprod 2020; 24:177-185. [PMID: 33110949 PMCID: PMC7576970 DOI: 10.12717/dr.2020.24.3.177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/07/2020] [Accepted: 09/18/2020] [Indexed: 11/17/2022]
Abstract
Although many aquaporin (AQP) transcripts have been demonstrated to express in
the female reproductive tract, the defined localizations and functions of AQP
subtype proteins remain unclear. In this study, we investigated the expression
of AQP1, AQP3, AQP5, AQP6, and AQP9 proteins in female reproductive tract of
mouse and characterized their precise localizations at the cellular and
subcellular levels. Immunofluorescence analyses for AQP1, AQP3, AQP6, and AQP9
showed that these proteins were abundantly expressed in female reproductive
tract and that intense immunoreactivities were observed in mucosa epithelial
cells with a subtype-specific pattern. The most abundant aquaporin in both
vagina and uterine cervix was AQP3. Each of AQP1, AQP3, AQP6, and AQP9 exhibited
its distinct distribution in stratified squamous or columnar epithelial cells.
AQP9 expression was predominant in oviduct and ovary. AQP1, AQP3, AQP6, and AQP9
proteins were mostly seen in apical membrane of ciliated epithelial cells of the
oviduct as well as in both granulosa and theca cells of ovarian follicles. Most
of AQP subtypes were also expressed in surface epithelial cells and glandular
cells of endometrium in the uterus, but their expression levels were relatively
lower than those observed in the vagina, uterine cervix, oviduct and ovary. This
is the first study to investigate the expression and localization of 5 AQP
subtype proteins simultaneously in female reproductive tract of mouse. Our
results suggest that AQP subtypes work together to transport water and glycerol
efficiently across the mucosa epithelia for lubrication, proliferation, energy
metabolism and pH regulation in female reproductive tract.
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Affiliation(s)
- Ji Woo Im
- Dept. of Physiology, College of Medicine, Dong-A University, Busan 49201, Korea
| | - Chae Young Lee
- Dept. of Physiology, College of Medicine, Dong-A University, Busan 49201, Korea
| | - Dong-Hwan Kim
- Human Life Research Center, Dong-A University, Busan 49315, Korea
| | - Hae-Rahn Bae
- Dept. of Physiology, College of Medicine, Dong-A University, Busan 49201, Korea.,Human Life Research Center, Dong-A University, Busan 49315, Korea
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Tan NAS, Giribabu N, Karim K, Nyamathulla S, Salleh N. Intravaginal treatment with Marantodes pumilum (Kacip Fatimah) ameliorates vaginal atrophy in rats with post-menopausal condition. JOURNAL OF ETHNOPHARMACOLOGY 2019; 236:9-20. [PMID: 30771519 DOI: 10.1016/j.jep.2019.02.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 02/12/2019] [Accepted: 02/12/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Marantodes pumilum (MP) (Kacip Fatimah) is used to maintain the well-being of post-menopausal women. However, its role in ameliorating post menopause-related vaginal atrophy (VA) is unknown. AIMS To investigate the ability of intravaginal MP gel treatment to ameliorate VA in sex-steroid deficient condition, mimicking post-menopause. METHODS Ovariectomized female Sprague-Dawley rats received MP (100 μg/ml, 250 μg/ml and 500 μg/ml) and estriol (E) gels intravaginally for seven consecutive days. Rats were then euthanized and vagina was harvested and subjected for histological and protein expression and distribution analyses. Vaginal ultrastructure was observed by transmission electron microscopy (TEM). RESULTS Thickness of vaginal epithelium increased with increasing intravaginal MP doses. Additionally, increased in expression and distribution of proliferative protein i.e. PCNA, tight junction protein i.e. occludin, water channel proteins i.e. AQP-1 and AQP-2 and proton extruder protein i.e. V-ATPase A1 were observed in the vagina following intravaginal MP and E gels treatment. Intravaginal MP and E gels also induced desmosome formation and approximation of the intercellular spaces between the vaginal epithelium. CONCLUSIONS Intravaginal MP was able to ameliorate features associated with VA; thus, it has potential to be used as an agent to treat this condition.
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Affiliation(s)
- Nur Amanina Syariff Tan
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Nelli Giribabu
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Kamarulzaman Karim
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Shaik Nyamathulla
- Department of Pharmacy, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Naguib Salleh
- Department of Physiology, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia.
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Identification of Estrogen Response Element in Aquaporin-3 Gene that Mediates Estrogen-induced Cell Migration and Invasion in Estrogen Receptor-positive Breast Cancer. Sci Rep 2015. [PMID: 26219409 PMCID: PMC4518221 DOI: 10.1038/srep12484] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Accumulating evidence suggests that aquaporins (AQPs) may facilitate tumor development. The molecular pathways connecting the pathological functions of AQPs are unclear and need to be better defined. This study aimed to investigate whether AQP3, one of the AQPs expressed highly in breast cancer, had any clinical implication in estrogen-receptor (ER) positive breast cancer, and explore the regulatory mechanisms of AQP3 in estrogen-related breast cancer progression. Here we show that AQP3 is an important enforcer of migration and invasion in breast cancer. We, for the first time, reported that ER-positive breast cancer tissues obtained from premenopausal patients had higher AQP3 expression when compared to those obtained from postmenopausal patients. Estrogen directly upregulates AQP3 by activating ERE in the promoter of the AQP3 gene. The upregulation of AQP3 can influence the expression of molecules related to epithelial-mesenchymal transition and the reorganization of actin-cytoskeleton, resulting in enhancement of cell migration and invasion in ER-positive breast cancer cells.
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