Related Experiment Video
Updated: May 7, 2025
09:50
Use of Synaptic Zinc Histochemistry to Reveal Different Regions and Laminae in the Developing and Adult Brain
Published on: October 29, 2017
7.1K
Unlocking the brain's zinc code: implications for cognitive function and disease.
Soheila Sabouri1, Marzieh Rostamirad1, Robert E Dempski1
1Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, MA, United States.
Frontiers in Biophysics
|January 6, 2025
Summary
Zinc transporters (ZnT and ZIP) regulate brain zinc levels, crucial for neuronal health. Imbalances are linked to neurodegeneration and Alzheimer
Area of Science:
- Neuroscience
- Molecular Biology
- Biochemistry
Background:
- Neuronal zinc homeostasis is maintained by ZnT (SLC30) and ZIP (SLC39) transporter families.
- Dysfunctional zinc transport alters intracellular zinc, impacting neuronal health and function.
- Altered zinc levels are implicated in neurodegenerative diseases like Alzheimer's disease.
Purpose of the Study:
- To review recent advancements in understanding neuronal zinc homeostasis.
- To explore the role of zinc dyshomeostasis in neurological disorders.
- To discuss therapeutic strategies and zinc's function as a neurotransmitter.
Main Methods:
- Literature review of recent studies on zinc transporters and neuronal function.
- Analysis of the impact of zinc dyshomeostasis on neuropathologies.
- Examination of zinc's modulatory effects on plasma membrane proteins and signaling pathways.
Main Results:
- ZnT and ZIP transporters critically regulate cytosolic zinc levels in neurons.
- Zinc imbalances contribute to neurodegeneration and Alzheimer's disease pathogenesis.
- Zinc influences ion channels, receptors, and signaling pathways essential for neuronal survival and development.
Conclusions:
- Maintaining zinc homeostasis is vital for neuronal health and preventing neurological disorders.
- Therapeutic interventions targeting zinc transport may offer new treatment avenues.
- Zinc plays a significant role in neurotransmission and brain function.
Related Concept Videos
01:30Ligand-Gated Ion Channel Receptor: Gating Mechanism
2.0K
Ligand-gated ion channels are transmembrane proteins that play a vital role in intercellular communication and functions of the nervous system. They allow the influx of ions across the membrane once the neurotransmitter binds, allowing the subsequent transmission of electrical excitation across the neurons. Other ligand-gated ion channels, like the γ-aminobutyric acid (GABA) receptor, permit anions like chloride into the cells on the binding of the GABA molecule. Their entry into the cell...
2.0K
00:49The Blood-brain Barrier
46.2K
Overview
46.2K
01:04Glial Cells
85.5K
Overview
85.5K
01:30Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
84
Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function.
84
01:03Long-term Depression
2.4K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...
Calcium Ion Concentration Mechanism
If over...
2.4K
01:01Neuroplasticity
238
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
238