Related Experiment Video
Updated: Jan 30, 2026
07:13
Quantitative Analysis of Neuronal Dendritic Arborization Complexity in Drosophila
Published on: January 7, 2019
14.7K
Quantitative Analysis of Neuronal Dendritic Arborization Complexity in Drosophila
Shanshan Wang1, Rudolph E Tanzi2, Airong Li3
1Genetics and Aging Research Unit, Department of Neurology, Massachusetts General Hospital, Mass General Institute of Neurodegenerative Disease; Department of Geriatric Neurology, Nanlou Clinical Division, PLA General Hospital.
Journal of Visualized Experiments : Jove
|January 22, 2019
Summary
This study details a method for quantifying dendritic arborization complexity in Drosophila neurons. The protocol aids in understanding neural development and its links to neurological disorders.
Area of Science:
- Neuroscience
- Developmental Biology
- Genetics
Background:
- Dendritic morphology is crucial for neural development and synaptic organization.
- Drosophila larval dendritic arborization (da) neurons provide a model for studying neural morphogenesis.
- Class IV da neurons exhibit complex branching patterns essential for neural function.
Purpose of the Study:
- To present a protocol for quantitative analysis of neuronal dendritic arborization complexity (NDAC).
- To characterize the effects of SOX5 gene silencing on class IV da neuron morphology.
- To advance understanding of neural development and its relation to neurological disorders.
Main Methods:
- Larval dissection and sample preparation.
- Confocal microscopy for high-resolution imaging of neuronal structures.
- ImageJ software for quantitative analysis of dendritic parameters (length, surface area, branch number, branching structure).
Main Results:
- Established a reproducible workflow for NDAC analysis in Drosophila.
- Quantified the impact of SOX5 silencing on class IV neuronal dendritic complexity.
- Provided a foundation for further research into gene function in neural development.
Conclusions:
- The presented protocol enables detailed analysis of dendritic arborization.
- Understanding da neuronal development mechanisms can inform research on neurological disorders.
- This work contributes to the study of gene function in nervous system development.
Related Concept Videos
01:23Neurons: The Cell Body and the Dendrites
7.1K
A typical nerve cell comprises three main components: the cell body, dendrites, and the axon. The cell body, also known as the soma or perikaryon, serves as the central biosynthetic hub housing a nucleus surrounded by cytoplasm containing organelles commonly found in most cells. Notably, Nissl bodies, clusters of the rough endoplasmic reticulum and free ribosomes responsible for protein synthesis, are distinctive features of the neuronal cell body. As neurons age, aggregates of a brown pigment...
7.1K
01:12Quantitative Analysis
1.4K
Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the...
1.4K
01:21Mass Spectrometry: Complex Analysis
1.8K
Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
GC–MS is a powerful hyphenated method commonly used in forensics and environmental...
1.8K
02:41Protein Complex Assembly
16.7K
Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types. Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
Many viruses self-assemble into a fully functional unit using the infected host cell to...
16.7K
01:57Protein Complexes with Interchangeable Parts
2.9K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
2.9K
01:29Complex Numbers
303
The real number system cannot represent the square root of a negative number, which restricts solutions for certain equations, such as quadratics with negative discriminants. To address this, the complex number system was developed, introducing the imaginary unit i, where i = √(-1). This extension allows for the representation of all roots, including those involving negative radicands.A complex number is written in the form x + yi, where x and y are real numbers. Here, x represents the...
303