Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model

Summary: This protocol outlines a two-clone genetic mosaic approach in Drosophila to study cell signaling using the FLP/FRT (Flippase/Flippase recombination target) and Gal4/UAS (upstream activating sequence)/Gal80 systems. We generated a stable transgenic line expressing human Aβ42, and then we cro...

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Main Authors: Aditi Singh, Prajakta Deshpande, Ankita Sarkar, Catherine Yeates, Anuradha Venkatakrishnan Chimata, Madhuri Kango-Singh, Amit Singh
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:STAR Protocols
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666166725003995
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author Aditi Singh
Prajakta Deshpande
Ankita Sarkar
Catherine Yeates
Anuradha Venkatakrishnan Chimata
Madhuri Kango-Singh
Amit Singh
author_facet Aditi Singh
Prajakta Deshpande
Ankita Sarkar
Catherine Yeates
Anuradha Venkatakrishnan Chimata
Madhuri Kango-Singh
Amit Singh
author_sort Aditi Singh
collection DOAJ
description Summary: This protocol outlines a two-clone genetic mosaic approach in Drosophila to study cell signaling using the FLP/FRT (Flippase/Flippase recombination target) and Gal4/UAS (upstream activating sequence)/Gal80 systems. We generated a stable transgenic line expressing human Aβ42, and then we crossed it with a GFP-marked FRT line to produce mosaic clones via heat-shock-induced recombination. Then we dissected, stained, and imaged the eye discs to visualize wild-type and mutant clones. Image analysis with Fiji/ImageJ and statistical quantification in GraphPad Prism enable the study of cell competition and intercellular signaling mechanism(s) in human diseases.For complete details on the use and execution of this protocol, please refer to Yeates et al. and Tare et al.1,2 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
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issn 2666-1667
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spelling doaj-art-4e9c8588ea7f457799860bb67e6f74492025-08-20T03:59:37ZengElsevierSTAR Protocols2666-16672025-09-016310399310.1016/j.xpro.2025.103993Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease modelAditi Singh0Prajakta Deshpande1Ankita Sarkar2Catherine Yeates3Anuradha Venkatakrishnan Chimata4Madhuri Kango-Singh5Amit Singh6Department of Biology, University of Dayton, Dayton, OH 45469, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USA; Premedical Program, University of Dayton, Dayton, OH, USA; Integrative Science and Engineering (ISE), University of Dayton, Dayton, OH, USA; Center for Genomic Advocacy (TCGA), Indiana State University, Terre Haute, IN, USADepartment of Biology, University of Dayton, Dayton, OH 45469, USA; Premedical Program, University of Dayton, Dayton, OH, USA; Integrative Science and Engineering (ISE), University of Dayton, Dayton, OH, USA; Corresponding authorSummary: This protocol outlines a two-clone genetic mosaic approach in Drosophila to study cell signaling using the FLP/FRT (Flippase/Flippase recombination target) and Gal4/UAS (upstream activating sequence)/Gal80 systems. We generated a stable transgenic line expressing human Aβ42, and then we crossed it with a GFP-marked FRT line to produce mosaic clones via heat-shock-induced recombination. Then we dissected, stained, and imaged the eye discs to visualize wild-type and mutant clones. Image analysis with Fiji/ImageJ and statistical quantification in GraphPad Prism enable the study of cell competition and intercellular signaling mechanism(s) in human diseases.For complete details on the use and execution of this protocol, please refer to Yeates et al. and Tare et al.1,2 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.http://www.sciencedirect.com/science/article/pii/S2666166725003995Cell BiologyDevelopmental biologyGeneticsMicroscopy
spellingShingle Aditi Singh
Prajakta Deshpande
Ankita Sarkar
Catherine Yeates
Anuradha Venkatakrishnan Chimata
Madhuri Kango-Singh
Amit Singh
Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
STAR Protocols
Cell Biology
Developmental biology
Genetics
Microscopy
title Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
title_full Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
title_fullStr Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
title_full_unstemmed Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
title_short Protocol for a two-clone system to study signaling interactions among neuronal cells in a pre-clinical Alzheimer’s disease model
title_sort protocol for a two clone system to study signaling interactions among neuronal cells in a pre clinical alzheimer s disease model
topic Cell Biology
Developmental biology
Genetics
Microscopy
url http://www.sciencedirect.com/science/article/pii/S2666166725003995
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