Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages

Objective By observing and comparing the changes in renal corpuscles at the largest longitudinal section in male Mongolian gerbils of different ages, this study preliminarily explored potential patterns of renal corpuscle changes, providing foundational data for the selection of male Mongolian gerbi...

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Main Authors: LI Meng, CHEN Bai'an, LU Jing
Format: Article
Language:zho
Published: Editorial Office of Laboratory Animal and Comparative Medicine 2024-10-01
Series:Shiyan dongwu yu bijiao yixue
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Online Access:https://www.slarc.org.cn/dwyx/CN/10.12300/j.issn.1674-5817.2024.011
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author LI Meng
CHEN Bai'an
LU Jing
author_facet LI Meng
CHEN Bai'an
LU Jing
author_sort LI Meng
collection DOAJ
description Objective By observing and comparing the changes in renal corpuscles at the largest longitudinal section in male Mongolian gerbils of different ages, this study preliminarily explored potential patterns of renal corpuscle changes, providing foundational data for the selection of male Mongolian gerbils for research on the pathogenic mechanisms and drug screening of nephropathy. Methods Kidney samples were collected from male Mongolian gerbils aged 12, 48, and 72 weeks. After making longitudinal cuts along the largest coronal plane in the middle, kidney tissue sections were prepared. Following HE staining, panoramic electronic tissue sections were scanned, and images of renal corpuscles at the largest longitudinal plane were captured using CaseViewer. The areas of renal corpuscles and their glomeruli and renal vesicles were measured. Statistical analysis was performed using IBM SPSS Statistics 27, and figures were created using GraphPad Prism 8. Results Compared with the 12-week group, both the area of renal corpuscle (P=0.029) and glomerulus (P=0.001) significantly increased in the 48-week group, while there was no significant change in the area of renal vesicle (P=0.478). The proportion of glomerular area within the renal corpuscle showed an increasing trend but the difference was not statistically significant (P=0.163). Compared to the 48-week group, the areas of renal corpuscle, glomerulus, and renal vesicle were all significantly larger in the 72-week group (P<0.001), but the proportion of glomerular area within renal corpuscle decreased significantly (P<0.001). Conclusion The renal corpuscles in male Mongolian gerbils continued to increase from 12 to 72 weeks of age. There might be a certain pattern in this process of enlargement, where the trends of glomerular and renal corpuscle enlargement were relatively consistent. However, the enlargement of renal vesicles appeared to lag behind that of the renal corpuscle. It was speculated that the enlargement of renal corpuscles was mainly caused by the passive enlargement of renal vesicles due to glomerular enlargement. The enlargement of renal corpuscles might be achieved through multiple cycles of "glomerular enlargement - triggering renal vesicle enlargement".
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spelling doaj-art-3232e3e564674ea4ad1a9af829cd53c32025-01-06T05:07:29ZzhoEditorial Office of Laboratory Animal and Comparative MedicineShiyan dongwu yu bijiao yixue1674-58172024-10-0144548749410.12300/j.issn.1674-5817.2024.0111674-5817(2024)05-0487-08Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different AgesLI Meng0CHEN Bai'an1LU Jing2Department of Experimental Animals, Capital Medical University, Beijing100069, ChinaDepartment of Experimental Animals, Capital Medical University, Beijing100069, ChinaDepartment of Experimental Animals, Capital Medical University, Beijing100069, ChinaObjective By observing and comparing the changes in renal corpuscles at the largest longitudinal section in male Mongolian gerbils of different ages, this study preliminarily explored potential patterns of renal corpuscle changes, providing foundational data for the selection of male Mongolian gerbils for research on the pathogenic mechanisms and drug screening of nephropathy. Methods Kidney samples were collected from male Mongolian gerbils aged 12, 48, and 72 weeks. After making longitudinal cuts along the largest coronal plane in the middle, kidney tissue sections were prepared. Following HE staining, panoramic electronic tissue sections were scanned, and images of renal corpuscles at the largest longitudinal plane were captured using CaseViewer. The areas of renal corpuscles and their glomeruli and renal vesicles were measured. Statistical analysis was performed using IBM SPSS Statistics 27, and figures were created using GraphPad Prism 8. Results Compared with the 12-week group, both the area of renal corpuscle (P=0.029) and glomerulus (P=0.001) significantly increased in the 48-week group, while there was no significant change in the area of renal vesicle (P=0.478). The proportion of glomerular area within the renal corpuscle showed an increasing trend but the difference was not statistically significant (P=0.163). Compared to the 48-week group, the areas of renal corpuscle, glomerulus, and renal vesicle were all significantly larger in the 72-week group (P<0.001), but the proportion of glomerular area within renal corpuscle decreased significantly (P<0.001). Conclusion The renal corpuscles in male Mongolian gerbils continued to increase from 12 to 72 weeks of age. There might be a certain pattern in this process of enlargement, where the trends of glomerular and renal corpuscle enlargement were relatively consistent. However, the enlargement of renal vesicles appeared to lag behind that of the renal corpuscle. It was speculated that the enlargement of renal corpuscles was mainly caused by the passive enlargement of renal vesicles due to glomerular enlargement. The enlargement of renal corpuscles might be achieved through multiple cycles of "glomerular enlargement - triggering renal vesicle enlargement".https://www.slarc.org.cn/dwyx/CN/10.12300/j.issn.1674-5817.2024.011male mongolian gerbilrenal corpusclesglomerulusrenal vesicle
spellingShingle LI Meng
CHEN Bai'an
LU Jing
Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
Shiyan dongwu yu bijiao yixue
male mongolian gerbil
renal corpuscles
glomerulus
renal vesicle
title Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
title_full Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
title_fullStr Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
title_full_unstemmed Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
title_short Morphological Changes of Renal Corpuscles in Male Mongolian Gerbils at Different Ages
title_sort morphological changes of renal corpuscles in male mongolian gerbils at different ages
topic male mongolian gerbil
renal corpuscles
glomerulus
renal vesicle
url https://www.slarc.org.cn/dwyx/CN/10.12300/j.issn.1674-5817.2024.011
work_keys_str_mv AT limeng morphologicalchangesofrenalcorpusclesinmalemongoliangerbilsatdifferentages
AT chenbaian morphologicalchangesofrenalcorpusclesinmalemongoliangerbilsatdifferentages
AT lujing morphologicalchangesofrenalcorpusclesinmalemongoliangerbilsatdifferentages