Subretinal microglia support donor photoreceptor survival in rd1 mice

Abstract Purpose To investigate the potential relationship between subretinal microglia and transplanted donor photoreceptors. Methods Photoreceptor precursors were transplanted into wild-type mice and rd1 mice by trans-scleral injection. Immunohistochemistry was employed to detect microglia and mac...

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Main Authors: Qinjia Ren, Fang Lu, Ruwa Hao, Yingying Chen, Chen Liang
Format: Article
Language:English
Published: BMC 2024-11-01
Series:Stem Cell Research & Therapy
Subjects:
Online Access:https://doi.org/10.1186/s13287-024-04052-0
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author Qinjia Ren
Fang Lu
Ruwa Hao
Yingying Chen
Chen Liang
author_facet Qinjia Ren
Fang Lu
Ruwa Hao
Yingying Chen
Chen Liang
author_sort Qinjia Ren
collection DOAJ
description Abstract Purpose To investigate the potential relationship between subretinal microglia and transplanted donor photoreceptors. Methods Photoreceptor precursors were transplanted into wild-type mice and rd1 mice by trans-scleral injection. Immunohistochemistry was employed to detect microglia and macrophages. PlX5622 feed was used to achieve microglia depletion and microglia repopulation. RNA-seq and qPCR were utilized to evaluate gene expression. Confocal microscopy was used to observe the interaction between microglia and donor photoreceptors. Results Donor photoreceptors survived in rd1 mice but not in wild-type mice after trans-scleral injection. The microglial cells closely interacted with donor cells. While donor cells failed to survive in rd1 mice after microglia depletion, they could survive following microglia repopulation. The RNA-seq analysis showed a pro-neurodevelopmental effect of sub-retinal microglia/RPE tissue in rd1 mice. Conclusions Subretinal microglia supported donor photoreceptor survival in rd1 mice.
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spelling doaj-art-9b232ab1995a458993bce370532d819e2025-08-20T02:33:00ZengBMCStem Cell Research & Therapy1757-65122024-11-0115111010.1186/s13287-024-04052-0Subretinal microglia support donor photoreceptor survival in rd1 miceQinjia Ren0Fang Lu1Ruwa Hao2Yingying Chen3Chen Liang4Department of Ophthalmology, West China Hospital, Sichuan UniversityDepartment of Ophthalmology, West China Hospital, Sichuan UniversityDepartment of Ophthalmology, West China Hospital, Sichuan UniversityDepartment of Ophthalmology, West China Hospital, Sichuan UniversityDepartment of Ophthalmology, West China Hospital, Sichuan UniversityAbstract Purpose To investigate the potential relationship between subretinal microglia and transplanted donor photoreceptors. Methods Photoreceptor precursors were transplanted into wild-type mice and rd1 mice by trans-scleral injection. Immunohistochemistry was employed to detect microglia and macrophages. PlX5622 feed was used to achieve microglia depletion and microglia repopulation. RNA-seq and qPCR were utilized to evaluate gene expression. Confocal microscopy was used to observe the interaction between microglia and donor photoreceptors. Results Donor photoreceptors survived in rd1 mice but not in wild-type mice after trans-scleral injection. The microglial cells closely interacted with donor cells. While donor cells failed to survive in rd1 mice after microglia depletion, they could survive following microglia repopulation. The RNA-seq analysis showed a pro-neurodevelopmental effect of sub-retinal microglia/RPE tissue in rd1 mice. Conclusions Subretinal microglia supported donor photoreceptor survival in rd1 mice.https://doi.org/10.1186/s13287-024-04052-0Subretinal microgliaPhotoreceptor transplantationInherited retinal degeneration
spellingShingle Qinjia Ren
Fang Lu
Ruwa Hao
Yingying Chen
Chen Liang
Subretinal microglia support donor photoreceptor survival in rd1 mice
Stem Cell Research & Therapy
Subretinal microglia
Photoreceptor transplantation
Inherited retinal degeneration
title Subretinal microglia support donor photoreceptor survival in rd1 mice
title_full Subretinal microglia support donor photoreceptor survival in rd1 mice
title_fullStr Subretinal microglia support donor photoreceptor survival in rd1 mice
title_full_unstemmed Subretinal microglia support donor photoreceptor survival in rd1 mice
title_short Subretinal microglia support donor photoreceptor survival in rd1 mice
title_sort subretinal microglia support donor photoreceptor survival in rd1 mice
topic Subretinal microglia
Photoreceptor transplantation
Inherited retinal degeneration
url https://doi.org/10.1186/s13287-024-04052-0
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AT ruwahao subretinalmicrogliasupportdonorphotoreceptorsurvivalinrd1mice
AT yingyingchen subretinalmicrogliasupportdonorphotoreceptorsurvivalinrd1mice
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