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Related Concept Videos

mRNA Stability and Gene Expression02:51

mRNA Stability and Gene Expression

The structure and stability of mRNA molecules regulates gene expression, as mRNAs are a key step in the pathway from gene to protein. In eukaryotes, the half-life of mRNA varies from a few minutes up to several days. mRNA stability is essential in growth and development. The absence of the proteins regulating its stability, such as tristetraprolin in mice, can cause systemic issues, including bone marrow overgrowth, inflammation, and autoimmunity.
Cis-acting Elements involved in mRNA stability
mRNA Stability and Gene Expression02:51

mRNA Stability and Gene Expression

The structure and stability of mRNA molecules regulates gene expression, as mRNAs are a key step in the pathway from gene to protein. In eukaryotes, the half-life of mRNA varies from a few minutes up to several days. mRNA stability is essential in growth and development. The absence of the proteins regulating its stability, such as tristetraprolin in mice, can cause systemic issues, including bone marrow overgrowth, inflammation, and autoimmunity.
Cis-acting Elements involved in mRNA stability
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,...
What is Gene Expression?01:36

What is Gene Expression?

A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised  of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then processed and...
What is Gene Expression?01:42

What is Gene Expression?

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...
Constitutive and Regulated Gene Expression01:27

Constitutive and Regulated Gene Expression

Gene expression in prokaryotes is governed by constitutive and regulated systems, allowing cells to balance the production of essential proteins with adaptive responses to environmental changes.Constitutive Gene ExpressionConstitutive, or housekeeping, genes are continuously expressed as they encode proteins vital for fundamental cellular processes. These include enzymes for glycolysis, ribosomal components for protein synthesis, and proteins involved in DNA replication. Their constant...

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Related Experiment Video

Updated: Jun 27, 2026

Assessing Cellular Stress and Inflammation in Discrete Oxytocin-secreting Brain Nuclei in the Neonatal Rat Before and After First Colostrum Feeding
09:12

Assessing Cellular Stress and Inflammation in Discrete Oxytocin-secreting Brain Nuclei in the Neonatal Rat Before and After First Colostrum Feeding

Published on: November 14, 2018

Effects of Colostrinin on gene expression-transcriptomal network analysis.

Peter Szaniszlo1, Peter German, Gyorgy Hajas

  • 1Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas 77555, USA.

International Immunopharmacology
|November 19, 2008
PubMed
Summary
This summary is machine-generated.

Colostrinin (CLN), derived from colostrum, reduces oxidative stress and shows potential in treating neurological diseases like Alzheimer's. This study reveals CLN's complex gene expression effects, suggesting broad therapeutic applications.

Related Experiment Videos

Last Updated: Jun 27, 2026

Assessing Cellular Stress and Inflammation in Discrete Oxytocin-secreting Brain Nuclei in the Neonatal Rat Before and After First Colostrum Feeding
09:12

Assessing Cellular Stress and Inflammation in Discrete Oxytocin-secreting Brain Nuclei in the Neonatal Rat Before and After First Colostrum Feeding

Published on: November 14, 2018

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Neuroscience

Background:

  • Colostrinin (CLN) is a proline-rich polypeptide mixture from colostrum.
  • CLN exhibits antioxidant, anti-apoptotic, and neurotrophic properties.
  • CLN has shown a stabilizing effect on cognitive function in Alzheimer's disease patients.

Purpose of the Study:

  • To analyze CLN-induced gene expression changes using high-density oligonucleotide arrays and transcriptomal network analysis.
  • To identify molecular networks modulated by CLN that underlie its biological effects.
  • To predict potential therapeutic applications of CLN based on its impact on gene networks.

Main Methods:

  • High-density oligonucleotide arrays for gene expression profiling.
  • Transcriptomal network analysis to identify affected molecular pathways.
  • Analysis of differentially expressed genes in CLN-treated cells.

Main Results:

  • CLN induced complex, multiphasic gene expression changes.
  • 58 molecular networks were affected, with 27 containing at least 10 differentially expressed genes.
  • CLN modulated networks related to oxidative state, immune response, cell differentiation, and neurodegeneration.

Conclusions:

  • CLN-modulated gene networks provide molecular mechanisms for its known effects.
  • CLN may influence pathways involved in allergy, asthma, Alzheimer's, and other neurological diseases.
  • CLN may also modulate adipocytokine networks relevant to diabetes, obesity, and cardiovascular disorders, suggesting broad therapeutic potential.