Aquaporins contribute to vacuoles formation in Nile grass type II diabetic rats
© 2023. The Author(s) under exclusive licence to The Japanese Society for Clinical Molecular Morphology..
Regulation of ion and water microcirculation within the lens is tightly controlled through aquaporin channels and connexin junctions. However, cataracts can occur when the lens becomes cloudy. Various factors can induce cataracts, including diabetes which is a well-known cause. The most common phenotype of diabetic cataracts is a cortical and/or posterior subcapsular opacity. In addition to the three main types and two subtypes of cataracts, a vacuole formation is frequently observed; however, their origin remains unclear. In this study, we focused on the aquaporins and connexins involved in diabetes-induced cataracts and vacuoles in Nile grass type II diabetes. The results showed that the expression of aquaporin 0 and aquaporin 5 increased, and that of connexin 43 decreased in diabetic rat lenses. Additionally, aquaporin 0 and 5 were strongly localized in peripheral of vacuoles, suggesting that aquaporins are involved in vacuoles formation. Transillumination photography revealed large vacuoles at the tip of the Y-suture in the anterior capsule of the diabetic lens, and several small vacuoles were observed in the posterior capsule. Within the vacuoles, cytoplasmic degradation and aggregation of fibrous material were observed. Our findings suggest that aquaporins are potential candidate proteins for preventing vacuole formation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:56 |
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| Enthalten in: |
Medical molecular morphology - 56(2023), 4 vom: 26. Dez., Seite 274-287 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Aihara, Kana [VerfasserIn] |
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| Links: |
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| Themen: |
Aquaporins |
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| Anmerkungen: |
Date Completed 20.11.2023 Date Revised 29.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00795-023-00365-w |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM359939546 |
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| 520 | |a © 2023. The Author(s) under exclusive licence to The Japanese Society for Clinical Molecular Morphology. | ||
| 520 | |a Regulation of ion and water microcirculation within the lens is tightly controlled through aquaporin channels and connexin junctions. However, cataracts can occur when the lens becomes cloudy. Various factors can induce cataracts, including diabetes which is a well-known cause. The most common phenotype of diabetic cataracts is a cortical and/or posterior subcapsular opacity. In addition to the three main types and two subtypes of cataracts, a vacuole formation is frequently observed; however, their origin remains unclear. In this study, we focused on the aquaporins and connexins involved in diabetes-induced cataracts and vacuoles in Nile grass type II diabetes. The results showed that the expression of aquaporin 0 and aquaporin 5 increased, and that of connexin 43 decreased in diabetic rat lenses. Additionally, aquaporin 0 and 5 were strongly localized in peripheral of vacuoles, suggesting that aquaporins are involved in vacuoles formation. Transillumination photography revealed large vacuoles at the tip of the Y-suture in the anterior capsule of the diabetic lens, and several small vacuoles were observed in the posterior capsule. Within the vacuoles, cytoplasmic degradation and aggregation of fibrous material were observed. Our findings suggest that aquaporins are potential candidate proteins for preventing vacuole formation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Aquaporins | |
| 650 | 4 | |a Connexin | |
| 650 | 4 | |a Diabetes cataract | |
| 650 | 4 | |a Electron microscopy of the crystalline lens | |
| 650 | 4 | |a Nile grass rat | |
| 650 | 4 | |a Vacuoles | |
| 650 | 7 | |a Connexins |2 NLM | |
| 650 | 7 | |a Aquaporins |2 NLM | |
| 700 | 1 | |a Nakazawa, Yosuke |e verfasserin |4 aut | |
| 700 | 1 | |a Takeda, Shun |e verfasserin |4 aut | |
| 700 | 1 | |a Hatsusaka, Natsuko |e verfasserin |4 aut | |
| 700 | 1 | |a Onouchi, Takanori |e verfasserin |4 aut | |
| 700 | 1 | |a Hiramatsu, Noriko |e verfasserin |4 aut | |
| 700 | 1 | |a Nagata, Mayumi |e verfasserin |4 aut | |
| 700 | 1 | |a Nagai, Noriaki |e verfasserin |4 aut | |
| 700 | 1 | |a Funakoshi-Tago, Megumi |e verfasserin |4 aut | |
| 700 | 1 | |a Yamamoto, Naoki |e verfasserin |4 aut | |
| 700 | 1 | |a Sasaki, Hiroshi |e verfasserin |4 aut | |
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