Related Experiment Video
Updated: Jan 31, 2026

06:17
Depletion of Specific Cell Populations by Complement Depletion
Published on: February 5, 2010
22.7K
Complementing Tau: New Data Show that the Complement System Is Involved in Degeneration in Tauopathies
Caitlin Davies1, Tara L Spires-Jones1
1UK Dementia Research Institute and Centre for Discovery Brain Sciences, University of Edinburgh, 1 George Square, Edinburgh EH8 9JZ, UK.
Neuron
|December 21, 2018
Summary
The complement system, part of innate immunity, drives tau-mediated neurodegeneration in mouse models of tauopathy. These studies reveal new mechanisms linking immune responses to brain disorders.
Area of Science:
- Neuroscience
- Immunology
- Genetics
Background:
- Innate immunity's role in neurodegenerative diseases is gaining recognition.
- The complement system is a key component of innate immunity.
- Tau pathology is a hallmark of several neurodegenerative disorders, including tauopathies.
Purpose of the Study:
- To investigate the mechanisms by which the complement system contributes to tau-mediated neurodegeneration.
- To explore the link between innate immune responses and the progression of tauopathy.
Main Methods:
- Utilized mouse models of tauopathy.
- Investigated the function of the complement system in the context of tau pathology.
- Analyzed the impact of complement activation on neurodegenerative processes.
Main Results:
- Demonstrated that the complement system actively influences tau-mediated degeneration.
- Identified specific mechanisms through which complement components affect neuronal damage in tauopathy models.
Conclusions:
- The complement system plays a significant role in the pathogenesis of tauopathies.
- Targeting the complement system may offer therapeutic strategies for neurodegenerative disorders characterized by tau pathology.
Related Concept Videos
Complement System
10.6K
The complement system is a group of approximately 20 plasma proteins that strengthen the body's defenses against infections through opsonization, inflammation, and cell lysis. Opsonization involves coating pathogens with complement proteins, making them more recognizable and facilitating phagocyte engulfment. Certain complement proteins induce inflammation that attracts immune cells to the site of infection. Cell lysis involves the destruction of pathogens through the formation of a...
10.6K
Complementation Tests
6.2K
A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
6.2K
Kendall's Tau Test
1.2K
Kendall's tau test, also known as the Kendall rank coefficient test, is a nonparametric method for assessing association between two variables. This test is particularly useful for identifying significant correlations when the distributions of the sample and population are unknown. Developed in 1938 by the British statistician Sir Maurice George Kendall, the tau coefficient (denoted as τ) serves as a rank correlation coefficient, with values ranging from -1 to +1.
A τ value of +1 indicates...
A τ value of +1 indicates...
1.2K
Antigens Involved in Adaptive Immunity
1.5K
An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
Complete Antigens
Complete antigens possess both immunogenicity and...
1.5K
How Data are Classified: Categorical Data
44.5K
A variable, usually notated by capital letters such as X and Y, is a characteristic or measurement that can be determined for each member of a population. Data are the actual values of variables. They may be numbers, or they may be words. Datum is a single value.
Data are classified based on whether they are measurable or not. Categorical data cannot be measured; instead, it can be divided into categories. For example, if Y denotes a person's party affiliation, some examples of Y include...
Data are classified based on whether they are measurable or not. Categorical data cannot be measured; instead, it can be divided into categories. For example, if Y denotes a person's party affiliation, some examples of Y include...
44.5K
How Data are Classified: Numerical Data
38.0K
Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
38.0K

