Expression of aldose reductase in mouse endometrial epithelial cells and its role in sperm capacitation
Copyright © 2023 Elsevier Inc. All rights reserved..
The survival, motility and capacitation of sperm in the female reproductive tract are important prerequisites for fertilization. The uterus is the main location for sperm capacitation. One of the most important physiological functions of the endometrial epithelium is to create a suitable uterine environment under the regulation of ovarian hormones, to ensure sperm capacitation. The composition of uterine fluid directly affects sperm capacitation. Fructose is an important component of semen that supports sperm viability and motility. Aldose reductase, a rate-limiting enzyme in the polyol pathway, metabolizes sorbitol and fructose, thereby supplying cells with necessary energy for functional activities. Existing studies have reported the presence aldose reductase in the endometrium, leading us to hypothesize that its expression in endometrial epithelium might promote sperm capacitation by maintaining the uterine environment. Yet, the mechanism of regulation has not been clarified. In this study, we investigated the expression of aldose reductase in mouse endometrial epithelium and its potential role in sperm capacitation. We initially investigated the periodic characteristics of glucose, fructose and sorbitol in uterine fluid. We then studied the temporal and spatial characteristics of aldose reductase in the endometrial epithelium. Next, we examined the effect of aldose reductase on glucose, fructose and sorbitol in uterine fluid. Finally, we explored the effect of aldose reductase on sperm capacitation and fertilization. The results showed that glucose and fructose content in uterine fluid and the expression of aldose reductase fluctuated periodically during physiological periods. Inhibition of aldose reductase in the endometrial epithelium interfered with sperm capacitation and fertilization by reducing the fructose levels in the uterine fluid. To conclude, the aldose reductase-mediated polyol pathway in endometrial epithelial cells is essential to maintain an appropriate fructose environment in the uterine fluid for sperm capacitation and fertilization.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:209 |
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| Enthalten in: |
Theriogenology - 209(2023) vom: 01. Okt., Seite 243-250 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lei, Yi [VerfasserIn] |
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| Links: |
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| Themen: |
30237-26-4 |
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| Anmerkungen: |
Date Completed 21.08.2023 Date Revised 02.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.theriogenology.2023.06.031 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM359809529 |
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| 520 | |a Copyright © 2023 Elsevier Inc. All rights reserved. | ||
| 520 | |a The survival, motility and capacitation of sperm in the female reproductive tract are important prerequisites for fertilization. The uterus is the main location for sperm capacitation. One of the most important physiological functions of the endometrial epithelium is to create a suitable uterine environment under the regulation of ovarian hormones, to ensure sperm capacitation. The composition of uterine fluid directly affects sperm capacitation. Fructose is an important component of semen that supports sperm viability and motility. Aldose reductase, a rate-limiting enzyme in the polyol pathway, metabolizes sorbitol and fructose, thereby supplying cells with necessary energy for functional activities. Existing studies have reported the presence aldose reductase in the endometrium, leading us to hypothesize that its expression in endometrial epithelium might promote sperm capacitation by maintaining the uterine environment. Yet, the mechanism of regulation has not been clarified. In this study, we investigated the expression of aldose reductase in mouse endometrial epithelium and its potential role in sperm capacitation. We initially investigated the periodic characteristics of glucose, fructose and sorbitol in uterine fluid. We then studied the temporal and spatial characteristics of aldose reductase in the endometrial epithelium. Next, we examined the effect of aldose reductase on glucose, fructose and sorbitol in uterine fluid. Finally, we explored the effect of aldose reductase on sperm capacitation and fertilization. The results showed that glucose and fructose content in uterine fluid and the expression of aldose reductase fluctuated periodically during physiological periods. Inhibition of aldose reductase in the endometrial epithelium interfered with sperm capacitation and fertilization by reducing the fructose levels in the uterine fluid. To conclude, the aldose reductase-mediated polyol pathway in endometrial epithelial cells is essential to maintain an appropriate fructose environment in the uterine fluid for sperm capacitation and fertilization | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Aldose reductase | |
| 650 | 4 | |a Endometrial epithelial cells | |
| 650 | 4 | |a Intrauterine environment | |
| 650 | 4 | |a Polyol pathway | |
| 650 | 4 | |a Sperm capacitation | |
| 650 | 7 | |a Aldehyde Reductase |2 NLM | |
| 650 | 7 | |a EC 1.1.1.21 |2 NLM | |
| 650 | 7 | |a Fructose |2 NLM | |
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| 650 | 7 | |a Glucose |2 NLM | |
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| 700 | 1 | |a Nie, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Long, Yun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Dan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yi-Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xue-Qin |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Miao-Miao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Huan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jin-Hu |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Dong-Zhi |e verfasserin |4 aut | |
| 700 | 1 | |a Yue, Li-Min |e verfasserin |4 aut | |
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