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ATP Synthase: Mechanism01:48

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In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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ATP Synthase: Structure01:18

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ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...
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The P-type pumps are a large family of integral membrane transporter ATPases. They are divided into five major types based on substrate specificity, from I to V.
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ATP13A2 (PARK9) and basal ganglia function.

Kristina M Croucher1,2, Sheila M Fleming1

  • 1Department of Pharmaceutical Sciences, Northeast Ohio Medical University, Rootstown, OH, United States.

Frontiers in Neurology
|January 22, 2024
PubMed
Summary
This summary is machine-generated.

Mutations in ATP13A2 (a lysosomal protein) cause neurodegenerative diseases by impairing basal ganglia function. Environmental toxins like heavy metals exacerbate this dysfunction, highlighting gene-environment interactions.

Keywords:
Kufor-Rakeb SyndromeParkinson’s diseasealpha-synucleinironmanganesemitochondrianeuronal ceroid lipofuscinosiszinc

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Area of Science:

  • Neuroscience
  • Genetics
  • Toxicology

Background:

  • ATP13A2 is a lysosomal protein crucial for polyamine transport.
  • Loss-of-function mutations in ATP13A2 are linked to various neurodegenerative disorders.
  • These disorders include Parkinson's disease, Kufor-Rakeb Syndrome, and ALS, often impacting the basal ganglia.

Purpose of the Study:

  • To review the role of ATP13A2 in basal ganglia function and dysfunction.
  • To explore common pathological mechanisms in ATP13A2-related disorders.
  • To examine the contribution of gene x environment interactions to basal ganglia dysfunction.

Main Methods:

  • Literature review of ATP13A2 function and associated neurodegenerative conditions.
  • Analysis of the basal ganglia's vulnerability to environmental factors.
  • Investigation of links between ATP13A2 impairment and heavy metal toxicity.

Main Results:

  • ATP13A2 mutations are associated with a spectrum of neurodegenerative diseases.
  • The basal ganglia are frequently affected, showing vulnerability to environmental toxins.
  • Impaired ATP13A2 function is linked to toxicity from manganese, iron, and zinc.

Conclusions:

  • ATP13A2 plays a critical role in maintaining basal ganglia health.
  • Gene x environment interactions, particularly with heavy metals, are implicated in ATP13A2-related neurodegeneration.
  • Understanding these mechanisms is key to addressing complex neurodegenerative conditions.