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Related Concept Videos

Transcription Factors02:16

Transcription Factors

82.9K
Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
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Factors Affecting Solubility04:01

Factors Affecting Solubility

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Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:
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Cell Specific Gene Expression01:58

Cell Specific Gene Expression

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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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Transcription Elongation Factors02:35

Transcription Elongation Factors

14.1K
Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene.
The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA...
14.1K
Factors Affecting Drug Distribution: Miscellaneous Factors01:19

Factors Affecting Drug Distribution: Miscellaneous Factors

1.0K
Drug distribution in the human body is a complex process influenced by various individual factors, including age, pregnancy, obesity, diet, body water composition, pH levels, and specific disease conditions.
Age plays a significant role due to differences in body composition among different age groups. Infants, for instance, have a higher proportion of total body water and lower albumin levels, a protein that binds drugs in the bloodstream. This unique composition in infants enhances the...
1.0K
What is Gene Expression?01:42

What is Gene Expression?

197.0K
Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
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Related Experiment Video

Updated: Feb 11, 2026

Analyzing Tumor Gene Expression Factors with the CorExplorer Web Portal
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Analyzing Tumor Gene Expression Factors with the CorExplorer Web Portal

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(IR)Factor for NAIP Expression.

Sivapriya Kailasan Vanaja1, Vijay A K Rathinam1

  • 1Department of Immunology, UConn Health School of Medicine, 263 Farmington Ave., Farmington, CT 06030, USA.

Cell
|May 5, 2018
PubMed
Summary

Interferon regulatory factor 8 (IRF8) controls the expression of NAIP proteins, which are essential for detecting bacteria. This finding highlights IRF8's role in innate immunity and bacterial sensing.

Area of Science:

  • Immunology
  • Molecular Biology
  • Genetics

Background:

  • Interferon regulatory factor 8 (IRF8) is a key transcription factor regulating immune cell development.
  • The innate immune system relies on pattern recognition receptors to detect microbial invaders.
  • NAIP (NLR family, apoptosis inhibitory protein) proteins are crucial for sensing bacterial components.

Purpose of the Study:

  • To elucidate the role of IRF8 in regulating the expression of NAIP proteins.
  • To understand how IRF8 contributes to the innate immune response against bacterial infections.

Main Methods:

  • Gene expression analysis
  • Transcription factor binding assays
  • Cellular assays for bacterial sensing

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Hemogenic Reprogramming of Human Fibroblasts by Enforced Expression of Transcription Factors
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Hemogenic Reprogramming of Human Fibroblasts by Enforced Expression of Transcription Factors

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Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets
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Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets

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Related Experiment Videos

Last Updated: Feb 11, 2026

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Hemogenic Reprogramming of Human Fibroblasts by Enforced Expression of Transcription Factors

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Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets
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Main Results:

  • IRF8 directly governs the constitutive expression of genes encoding NAIP proteins.
  • This regulation is critical for the innate immune system's ability to sense bacteria.
  • IRF8-mediated NAIP expression is essential for effective bacterial clearance.

Conclusions:

  • IRF8 plays a vital role in innate immunity by controlling NAIP-mediated bacterial sensing.
  • Targeting the IRF8-NAIP axis could offer new strategies for combating bacterial infections.