Drosophila Tumors
Drosophila Tumors - Related Videos
08:14
Induction and Diagnosis of Tumors in Drosophila Imaginal Disc Epithelia
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Cited by 10 •
2017
Mosaic clone analysis in Drosophila imaginal disc epithelia is a powerful model system to study the genetic and cellular mechanisms of tumorigenesis. Here we describe a protocol to induce tumors in Drosophila wing imaginal discs using the GAL4-UAS system, and introduce a diagnosis method to classify the tumor phenotypes.
10:31
The Drosophila Imaginal Disc Tumor Model: Visualization and Quantification of Gene Expression and Tumor Invasiveness Using Genetic Mosaics
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Cited by 11 •
2016
This protocol demonstrates how to generate fluorescently marked, genetically defined clonal tumors in the Drosophila eye/antennal imaginal discs (EAD). It describes how to dissect the EAD and brain from the third instar larvae and how to process them to visualize and quantify gene expression changes and tumor invasiveness.
07:23
A Protocol for Genetic Induction and Visualization of Benign and Invasive Tumors in Cephalic Complexes of Drosophila melanogaster
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Cited by 5 •
2013
Cooperation between an activated oncogene like RASV12 and mutations in cell polarity genes like scribbled, result in tumor growth in Drosophila where tumor cells also display invasive behaviors. Here a simple protocol for the induction and observation of the benign and invasive tumors is presented.
07:57
Thawing, Culturing, and Cryopreserving Drosophila Cell Lines
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Cited by 13 •
2019
Drosophila cell lines are important reagents for both fundamental and biomedical research. This article provides protocols for thawing, subculturing, and the cryopreservation of commonly used Drosophila cell lines to assist researchers in incorporating the use of these reagents in their research.
05:06
Tumor Allotransplantation in Drosophila melanogaster with a Programmable Auto-Nanoliter Injector
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Cited by 10 •
2021
This protocol provides detailed guidance for the initial and continued generational allotransplantation of Drosophila tumors into the abdomen of adult hosts for studying various aspects of neoplasia. Using an autoinjector apparatus, researchers can achieve improved efficiency and tumor yields compared to those achieved by traditional, manual methods.
FAQs
The central mechanistic effect is a disruption of signaling that normally coordinates cell division, survival, differentiation, and tissue organization. When these controls become unbalanced, investigators can observe abnormal tissue growth or neoplastic transformation as experimental outcomes. These readouts help connect a specific genetic alteration with changes in tumor-related cellular behavior.
Experimental alterations in oncogenes and tumor-suppressor genes provide different entry points for examining cancer mechanisms. Their effects can disturb pathways controlling proliferation, survival, differentiation, or tissue organization, allowing researchers to study how genetic changes influence tumor development. This approach also helps identify which regulatory processes may represent relevant therapeutic targets.
Tumor behavior is not examined only as an intrinsic property of altered cells. Drosophila models also support investigation of interactions between transformed cells and the tissues around them. This context is important because abnormal growth can be studied alongside changes in tissue organization, helping researchers examine how local surroundings influence neoplastic development.
Their value in medicine comes from the use of conserved disease pathways as a bridge between experimental genetics and human cancer research. Investigators can examine how altered regulatory mechanisms produce tumor-related outcomes in the fly, then use those findings to support research on comparable pathways, potential targets, and disease mechanisms relevant to human cancer.
Researchers establish these models through mutations or targeted alterations affecting oncogenes and tumor-suppressor genes. They then assess the resulting tissue response, including measurable overgrowth or neoplastic transformation. This workflow links a defined genetic intervention to a tumor-related phenotype and creates a system for examining the signaling processes associated with that outcome.
These models are useful when a study needs a genetically tractable system in which tumor-related outcomes can be examined after defined genetic changes. Their application in drug screening allows investigators to evaluate candidate interventions in the context of disrupted cancer pathways. Findings may help prioritize compounds or mechanisms for further therapeutic investigation.
The models can provide evidence about how oncogenic or tumor-suppressor alterations affect cell division, survival, differentiation, and tissue organization. They also support investigation of transformed-cell interactions with surrounding tissues. Together, these outcomes can clarify cancer mechanisms, reveal conserved disease pathways, and contribute to identifying potential therapeutic targets relevant to medicine.