Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Overview of Exosomes01:36

Overview of Exosomes

Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
Exocytosis00:50

Exocytosis

Exocytosis is a process that releases molecules outside the cell. Like other bulk transport mechanisms, exocytosis requires energy.
Exocytosis is the opposite of endocytosis, which brings molecules inside the cell. Sometimes, the released materials are signaling molecules. For example, neurons typically use exocytosis to release neurotransmitters. Cells also use exocytosis to insert proteins such as ion channels into their cell membranes, secrete proteins for use in the extracellular matrix, or...
Exocytosis00:51

Exocytosis

Exocytosis is used to release material from cells. Like other bulk transport mechanisms, exocytosis requires energy.
Regulation of Expression Occurs at Multiple Steps02:24

Regulation of Expression Occurs at Multiple Steps

Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Regulatory mechanisms driven by functional 3'-UTR variants in alcohol use disorder and related traits.

Genome biology·2026
Same author

Therapeutic Targeting of Microglial Hexokinase-2 Recalibrates Inflammasome Activation and Improves Functional Recovery After Traumatic Brain Injury.

bioRxiv : the preprint server for biology·2026
Same author

Basic Science and Pathogenesis.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same author

Basic Science and Pathogenesis.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same author

PLCG2 modulates TREM2 expression and signaling in response to Alzheimer's disease pathology.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same author

Modeling aging and retinal degeneration with mitochondrial DNA mutation burden.

Aging cell·2024

Related Experiment Video

Updated: Jun 26, 2026

Formulating and Characterizing an Exosome-based Dopamine Carrier System
06:08

Formulating and Characterizing an Exosome-based Dopamine Carrier System

Published on: April 4, 2022

MAP'ing CNS development and cognition: an ERKsome process.

Ivy S Samuels1, Sulagna C Saitta, Gary E Landreth

  • 1Department of Neurosciences, Case Western Reserve University, Cleveland, OH 44106, USA.

Neuron
|February 3, 2009
PubMed
Summary
This summary is machine-generated.

Mutations in the ERK MAP kinase pathway disrupt brain development, leading to cognitive deficits and autism spectrum disorder. This review explores the brain

More Related Videos

Harnessing the Power of MicroRNA Cargoes in Small Extracellular Vesicles Released from Fresh-Frozen Human Brain Sections
07:55

Harnessing the Power of MicroRNA Cargoes in Small Extracellular Vesicles Released from Fresh-Frozen Human Brain Sections

Published on: November 8, 2024

Related Experiment Videos

Last Updated: Jun 26, 2026

Formulating and Characterizing an Exosome-based Dopamine Carrier System
06:08

Formulating and Characterizing an Exosome-based Dopamine Carrier System

Published on: April 4, 2022

Harnessing the Power of MicroRNA Cargoes in Small Extracellular Vesicles Released from Fresh-Frozen Human Brain Sections
07:55

Harnessing the Power of MicroRNA Cargoes in Small Extracellular Vesicles Released from Fresh-Frozen Human Brain Sections

Published on: November 8, 2024

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • The ERK MAP kinase signaling cascade is crucial for normal brain function, including development, learning, and memory.
  • Alterations in this pathway are increasingly linked to human developmental disorders.
  • These disorders often manifest with impaired cognitive abilities and autism spectrum disorder.

Purpose of the Study:

  • To review recent research on the biological roles of ERK signaling in the brain.
  • To elucidate how disruptions in ERK signaling may cause cognitive deficits in developmental syndromes.
  • To provide insights into the neurobiological underpinnings of these conditions.

Main Methods:

  • Literature review of recent studies on ERK signaling in the brain.
  • Analysis of research linking ERK pathway mutations to human developmental syndromes.
  • Synthesis of findings on the neurobiological functions of ERKs.

Main Results:

  • ERK signaling is vital for multiple aspects of brain function.
  • Specific mutations or deletions in the ERK pathway are associated with cognitive impairments.
  • These impairments are observed in human developmental syndromes linked to ERK pathway dysregulation.

Conclusions:

  • Understanding ERK's role in the brain is key to explaining cognitive deficits in related syndromes.
  • Further research into ERK signaling pathways can inform therapeutic strategies.
  • This pathway represents a significant area for investigating neurodevelopmental disorders.