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Related Concept Videos

Overview of Cell Death01:30

Overview of Cell Death

Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the 20th century...
Cellular Injury IlI: Cellular Death01:11

Cellular Injury IlI: Cellular Death

Cell death is the irreversible loss of cellular structure and function, representing the final stage of severe injury. It plays a key role in both normal physiology and disease.Types of Cell DeathThe two main types are necrosis and apoptosis, though others like necroptosis and pyroptosis also exist.Necrosis:Necrosis is an unregulated form of cell death caused by severe injury such as trauma, toxins, or ischemia. It is characterized by cell swelling, membrane loss, rupture, and leakage of...
Cellular Injury IV: Necrosis01:16

Cellular Injury IV: Necrosis

Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
Autophagic Cell Death01:18

Autophagic Cell Death

Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and pro-apoptotic...
Necrosis01:16

Necrosis

Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Cerebellum: Anatomical Regions01:17

Cerebellum: Anatomical Regions

The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...

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Related Experiment Video

Updated: Jun 23, 2026

Modeling Neuronal Death and Degeneration in Mouse Primary Cerebellar Granule Neurons
10:36

Modeling Neuronal Death and Degeneration in Mouse Primary Cerebellar Granule Neurons

Published on: November 6, 2017

Remote cell death in the cerebellar system.

M T Viscomi1, F Florenzano, L Latini

  • 1Experimental Neurorehabilitation Lab, Santa Lucia Foundation IRCCS, 00143 Rome, Italy.

Cerebellum (London, England)
|April 24, 2009
PubMed
Summary

Focal central nervous system (CNS) lesions cause remote cell death in connected brain regions. Understanding these mechanisms may reveal neuroprotective strategies for CNS pathologies.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Pathology

Background:

  • Functional impairment after central nervous system (CNS) lesions depends on damage to remote, functionally connected regions.
  • This is crucial in the cerebellar system, involving cerebellar cortex, deep cerebellar nuclei, and precerebellar stations.
  • Diffuse degeneration post-lesion correlates with poor outcomes in stroke, multiple sclerosis, and brain trauma.

Purpose of the Study:

  • To understand mechanisms of remote cell death in cerebellar circuits after focal CNS damage.
  • To identify potential neuroprotective approaches for CNS pathologies.
  • To analyze the neuroprotective effects of inflammation-modulating drugs.

Main Methods:

  • Review of studies on degenerative mechanisms in the inferior olive and pontine nuclei after focal cerebellar damage.

More Related Videos

Organotypic Cerebellar Cultures: Apoptotic Challenges and Detection
11:57

Organotypic Cerebellar Cultures: Apoptotic Challenges and Detection

Published on: May 17, 2011

Related Experiment Videos

Last Updated: Jun 23, 2026

Modeling Neuronal Death and Degeneration in Mouse Primary Cerebellar Granule Neurons
10:36

Modeling Neuronal Death and Degeneration in Mouse Primary Cerebellar Granule Neurons

Published on: November 6, 2017

Organotypic Cerebellar Cultures: Apoptotic Challenges and Detection
11:57

Organotypic Cerebellar Cultures: Apoptotic Challenges and Detection

Published on: May 17, 2011

  • Analysis of pharmacological approaches tested in these models.
  • Focus on inflammation-modulating drugs for neuroprotection.

    • Main Results:

    • Focal CNS lesions can trigger a cascade of cell death in connected, remote areas.
    • Mechanisms of this remote degeneration are being elucidated through studies on specific cerebellar circuit components.
    • Pharmacological interventions, particularly those modulating inflammation, show promise.

    Conclusions:

    • Understanding remote cell death mechanisms is key to developing neuroprotective therapies for CNS injuries.
    • Targeting inflammation may offer a viable strategy to mitigate secondary damage after focal CNS lesions.
    • Further research into cerebellar circuit degeneration can inform treatments for various neurological conditions.