Ppl1 Neuron Counting

PPL1 neuron counting is the quantitative measurement of neurons in the protocerebral posterior lateral 1 cluster, a defined group of dopaminergic cells in the Drosophila brain. The process typically uses genetic or immunohistochemical labeling to mark PPL1 neurons, followed by fluorescence microscopy and systematic identification of individual cell bodies while avoiding duplicate counts. This approach provides a reproducible readout of neuronal abundance and supports comparisons across genotypes, developmental stages, treatments, or experimental conditions. In neuroscience, PPL1 neuron counts help evaluate how genetic changes and environmental influences affect dopaminergic circuits linked to behavior, learning, motivation, and other brain functions.

Ppl1 Neuron Counting - Related Videos

Education

JoVE Science Education - Basic Biology

Using a Hemacytometer to Count Cells

0 Views •

2023

Many biomedical experiments require manipulation of a known quantity of cells, in order to achieve accurate, reproducible, and statistically-relevant data. Therefore, learning how to count cells is a particularly essential technique for any successful biomedical scientist. The most common way to count cells is by using a hemacytometer - an instrument that bears two laser-etched grids, which aid in the enumeration of an aliquot cells under a simple light microscope. This data can then be used to...

Research

JoVE Journal - Biology

Knowing What Counts: Unbiased Stereology in the Non-human Primate Brain

0 Views •

Cited by 22 •

2009

The anatomical organization of the primate brain can provide important insights into normal and pathological conditions in humans. Unbiased stereology is a method for accurately and efficiently estimating the total neuron number (or other cell type) in a given reference space1.

Counting and Determining the Viability of Cultured Cells

0 Views •

Cited by 19 •

2008

Determining the number of cells in culture is important in standardization of culture conditions and in performing accurate quantitation experiments. In this video, we demonstrate how cells are counted using a hemacytometer.

Counting Human Neural Stem Cells

0 Views •

Cited by 14 •

2007

Knowledge of the exact number of viable cells is required for many tissue culture manipulations. This protocol describes how to differentiate between live and dead cells and quantify cells using a hemacytometer. Although it describes counting human neural stem/precursor cells (hNSPCs), it can be used for other cell types.

Automated Quantification and Analysis of Cell Counting Procedures Using ImageJ Plugins

0 Views •

Cited by 90 •

2016

This paper describes the quantification of hemocytometer and migration/invasion micrographs through two new open-source ImageJ plugins Cell Concentration Calculator and migration assay Counter. Furthermore, it describes image acquisition and calibration protocols as well as discusses in detail the input requirements of the plugins.

View All Results

FAQs

Related Topics