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Alzheimer Disease ll: Pathophysiology

Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...
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Related Experiment Video

Updated: Jun 9, 2026

Lipidomics and Transcriptomics in Neurological Diseases
09:58

Lipidomics and Transcriptomics in Neurological Diseases

Published on: March 18, 2022

Sphingolipids in neurodegeneration.

Norman J Haughey1

  • 1Department of Neurology, Richard T. Johnson Division of Neuroimmunology and Neurological Infections, The Johns Hopkins University School of Medicine, Meyer 6-109, 600 North Wolfe Street, Baltimore, MD 21287, USA. nhaughe1@jhmi.edu

Neuromolecular Medicine
|August 26, 2010
PubMed
Summary
This summary is machine-generated.

Sphingolipids are crucial for brain function and signaling. Research is advancing our understanding of how sphingolipid metabolism impacts neurodegenerative diseases like Alzheimer's and Multiple Sclerosis.

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A Pipeline to Investigate the Structures and Signaling Pathways of Sphingosine 1-Phosphate Receptors
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Last Updated: Jun 9, 2026

Lipidomics and Transcriptomics in Neurological Diseases
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Published on: March 18, 2022

A Pipeline to Investigate the Structures and Signaling Pathways of Sphingosine 1-Phosphate Receptors
12:27

A Pipeline to Investigate the Structures and Signaling Pathways of Sphingosine 1-Phosphate Receptors

Published on: June 8, 2022

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Biochemistry

Background:

  • Sphingolipids are abundant in the brain, but their roles in neural function are not fully understood.
  • Previously considered structural components, many sphingolipids are now recognized as active signaling molecules.
  • Advances in technology are enhancing the study of sphingolipids in neural regulation.

Purpose of the Study:

  • To review emerging technologies for sphingolipid analysis.
  • To explore sphingolipid metabolic pathways.
  • To examine the role of sphingolipid dysfunction in neurodegeneration.

Main Methods:

  • Review of current literature and technological advancements.
  • Analysis of sphingolipid metabolism and signaling pathways.
  • Examination of sphingolipid involvement in neurodegenerative disease pathogenesis.

Main Results:

  • New technologies facilitate detailed sphingolipid analysis.
  • Sphingolipid metabolism is critical for normal neural activity.
  • Dysfunctional sphingolipid metabolism is implicated in neurodegenerative disorders.

Conclusions:

  • Sphingolipids play active roles in neural signaling and function.
  • Understanding sphingolipid metabolism is key to addressing neurodegenerative diseases.
  • This special issue highlights advancements in sphingolipid research for neurological health.