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Related Concept Videos

Single-pass Transmembrane Proteins01:25

Single-pass Transmembrane Proteins

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Integral membrane proteins are tightly associated with the cell membrane and play a crucial role in cell communication, signaling, adhesion, and transport of the molecules. Some integral membrane proteins are present only in the membrane monolayer. For example, the enzyme fatty acid amide hydrolase is present in the cytoplasmic side of the membrane monolayer. In contrast, another type of integral membrane protein, also known as a transmembrane protein, spans across the membrane. Transmembrane...
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Single-Strand DNA Binding Proteins01:03

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For successful DNA replication, the unwinding of double-stranded DNA must be accompanied by stabilization and protection of the separated single strands of the DNA. This crucial task is performed by single-strand DNA-binding (SSB) proteins. They bind to the DNA in a sequence-independent manner, which means that the nitrogenous bases of the DNA need not be present in a specific order for binding of SSB proteins to it. The binding of SSB proteins straightens single-stranded DNA (ssDNA) and makes...
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Insertion of Single-pass Transmembrane Proteins in the RER01:26

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Integral membrane proteins are proteins adhered to the lipid bilayer of a cell organelle or membrane. They can be of two types: transmembrane integral proteins that span the lipid bilayer and monotopic proteins that are attached to either side of the membrane but do not pass through it.
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Protein-Drug Binding: Determination Methods01:22

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Determining protein-drug binding can be achieved through indirect and direct methods, each providing valuable insights into the interaction between proteins and drugs.
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Protein Networks02:26

Protein Networks

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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.
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Classification of Titrimetric Analysis Based on Reaction Types01:01

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Titrimetric analysis in solution chemistry involves measuring the volume of solutions and is often called volumetric analysis. The standard solution of known concentration in the burette is called the titrant, whereas the solution of unknown concentration in the flask is called the analyte, or titrand. Titrimetric analyses can be classified into four types based on the reactions between the titrant and analyte.
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Green Fluorescent Protein-based Expression Screening of Membrane Proteins in Escherichia coli
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Fluorescence imaging-based methods for single-cell protein analysis.

Siwen Wang1, Fei Ji1, Zhonghan Li1

  • 1Department of Chemistry, University of California, Riverside, Riverside, CA, 92521, USA.

Analytical and Bioanalytical Chemistry
|March 12, 2019
PubMed
Summary
This summary is machine-generated.

Single-cell protein analysis reveals cell differences using advanced fluorescence technologies. These methods improve multiplexing and dynamic measurements, addressing challenges in biological heterogeneity.

Keywords:
Dynamic measurementsFluorescenceMultiplexed assaysProtein analysisSingle-cell

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • Biological systems exhibit significant protein heterogeneity.
  • Single-cell analysis is crucial for understanding subpopulations and their unique biological signatures.
  • Recent advancements in single-cell protein analysis technologies have emerged.

Purpose of the Study:

  • To highlight fluorescence-based technologies for single-cell protein analysis.
  • To focus on methods enhancing multiplexing and dynamic measurements.
  • To analyze limitations and challenges in current techniques.

Main Methods:

  • Review of fluorescence-based single-cell protein analysis technologies.
  • Focus on advancements in multiplexing capabilities.
  • Emphasis on methods enabling dynamic measurements of protein activity.

Main Results:

  • Significant progress in fluorescence-based single-cell protein analysis over the past five years.
  • Development of techniques for increased multiplexing and dynamic measurements.
  • Identification of limitations and ongoing challenges in the field.

Conclusions:

  • Fluorescence-based methods are advancing single-cell protein analysis.
  • Further innovation is needed to overcome current limitations.
  • Transformative platforms are anticipated for future biological insights.