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Related Concept Videos

Immunoprecipitation01:20

Immunoprecipitation

5.5K
Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...
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Chromatin Immunoprecipitation- ChIP02:36

Chromatin Immunoprecipitation- ChIP

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Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or histone proteins. It also helps determine the type of histone modifications such as acetylation, phosphorylation, or methylation.
Types of ChIP
ChIP can be divided into two types - X-ChIP and N-ChIP. X-ChIP involves in vivo cross-linking of histones and regulatory proteins to DNA, fragmenting the DNA by sonication, and isolating the protein-DNA...
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Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

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Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
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Immunogold Electron Microscopy01:20

Immunogold Electron Microscopy

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Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.
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Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

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Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
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Immunoprecipitation: Variations, Considerations, and Applications.

John Noone1,2, Robert G Wallace3, Keith D Rochfort4

  • 1School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.

Methods in Molecular Biology (Clifton, N.J.)
|August 30, 2023
PubMed
Summary
This summary is machine-generated.

Immunoprecipitation (IP) is a powerful technique for isolating specific proteins from complex mixtures. This review details IP principles, influencing factors, and adaptable workflows for protein purification and characterization.

Keywords:
Affinity chromatographyAntibodyBatch immunoprecipitationCentrifugationColumn immunoprecipitationFractionationImmunocomplexImmunoprecipitation

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Proteomics

Background:

  • Immunoprecipitation (IP) is an affinity chromatography method for protein enrichment and purification.
  • It utilizes specific antibodies immobilized on a solid support to isolate target proteins from complex biological mixtures.
  • IP has significantly advanced protein characterization and understanding of protein behavior.

Conclusions:

  • Immunoprecipitation (IP) is a fundamental technique in protein characterization.
  • Understanding IP principles and optimizing experimental factors are crucial for success.
  • Adaptable IP workflows facilitate efficient purification and analysis of target proteins from cellular proteomes.