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Related Concept Videos

Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining, normally used to...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
Alzheimer Disease ll: Pathophysiology01:23

Alzheimer Disease ll: Pathophysiology

Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...
Microtubule Associated Proteins (MAPs)01:42

Microtubule Associated Proteins (MAPs)

Microtubule function and architecture are regulated by an array of specialized proteins called microtubule-associated proteins or MAPs. These proteins are widespread across different organisms and have conserved protein motifs, like the multi-TOG domain for tubulin binding found in the CLASP family of MAPs. Some MAPs are lineage-specific based on their conserved domains. Their functions depend upon the cytoskeletal architecture and cell type they are located within. In-plant cells, a specific...

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Related Experiment Video

Updated: Jun 10, 2026

In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein
09:22

In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein

Published on: January 2, 2015

Intra- and extracellular protein interactions with tau.

F Hernández1, J Avila

  • 1Centro de Biología Molecular “Severo Ochoa” (CSIC-UAM), Spain.

Current Alzheimer Research
|August 4, 2010
PubMed
Summary

Tau protein interactions are key in neurons and can lead to disease. This review explores tau

Area of Science:

  • Neuroscience
  • Cell Biology
  • Protein Biochemistry

Background:

  • Tau protein is primarily found in neurons and interacts with microtubules.
  • Tau can bind to other proteins and itself, forming polymers relevant to diseases.
  • Tau exists in various cellular locations, including outside the cell.

Purpose of the Study:

  • To review the diverse interactions of tau protein.
  • To examine tau's interactions both within and outside the cell.
  • To identify conserved regions of tau involved in these interactions.

Main Methods:

  • Literature review of tau protein interactions.
  • Analysis of tau's binding partners and polymerization.
  • Examination of evolutionary conservation of tau interaction regions.

More Related Videos

In Vitro Assay for Studying the Aggregation of Tau Protein and Drug Screening
09:49

In Vitro Assay for Studying the Aggregation of Tau Protein and Drug Screening

Published on: November 20, 2018

Assay for Phosphorylation and Microtubule Binding Along with Localization of Tau Protein in Colorectal Cancer Cells
12:55

Assay for Phosphorylation and Microtubule Binding Along with Localization of Tau Protein in Colorectal Cancer Cells

Published on: October 10, 2017

Related Experiment Videos

Last Updated: Jun 10, 2026

In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein
09:22

In Vitro Aggregation Assays Using Hyperphosphorylated Tau Protein

Published on: January 2, 2015

In Vitro Assay for Studying the Aggregation of Tau Protein and Drug Screening
09:49

In Vitro Assay for Studying the Aggregation of Tau Protein and Drug Screening

Published on: November 20, 2018

Assay for Phosphorylation and Microtubule Binding Along with Localization of Tau Protein in Colorectal Cancer Cells
12:55

Assay for Phosphorylation and Microtubule Binding Along with Localization of Tau Protein in Colorectal Cancer Cells

Published on: October 10, 2017

Main Results:

  • Tau engages in numerous interactions within and outside neurons.
  • Different tau protein regions mediate distinct interactions.
  • Some tau interaction sites are highly conserved across species.

Conclusions:

  • Tau's complex interaction network is crucial for neuronal function and dysfunction.
  • Understanding tau interactions provides insights into neurodegenerative diseases.
  • Evolutionary conservation highlights functionally important tau interaction domains.