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Related Experiment Video

Updated: Nov 11, 2025

Cytosolic Calcium Measurements in Renal Epithelial Cells by Flow Cytometry
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Cellular and mitochondrial calcium communication in obstructive lung disorders.

Shakti Sagar1, Himanshi Kapoor2, Nisha Chaudhary3

  • 1CSIR-Institute of Genomics & Integrative Biology, New Delhi, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.

Mitochondrion
|March 26, 2021
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Summary

Mitochondrial calcium signalling is crucial in Chronic Respiratory Diseases (CRD). Dysregulation of calcium in mitochondria contributes to asthma and COPD, offering potential therapeutic targets.

Keywords:
Airway remodellingAsthmaCOPDCalcium homeostasisMitochondria

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Area of Science:

  • Cell Biology
  • Mitochondrial Biology
  • Respiratory Medicine

Background:

  • Calcium (Ca2+) signaling regulates cellular functions and fate.
  • Mitochondrial Ca2+ accumulation is implicated in Chronic Respiratory Diseases (CRD) like Asthma and Chronic Obstructive Pulmonary Disease (COPD).
  • Aberrant intracellular Ca2+ increases lead to mitochondrial reactive oxygen species (ROS) generation and apoptosis.

Purpose of the Study:

  • To review the role of cytoplasmic and mitochondrial Ca2+ signaling in CRD.
  • To highlight the dysregulation of mitochondrial Ca2+ homeostasis in asthma and COPD.
  • To explore potential therapeutic interventions based on understanding Ca2+ signaling.

Main Methods:

  • Literature review of existing research on Ca2+ signaling in CRD.
  • Analysis of the role of mitochondria in Ca2+ buffering and cellular metabolism.
  • Examination of the link between disrupted Ca2+ balance and airway disease pathophysiology.

Main Results:

  • Mitochondria play a key role in cellular Ca2+ buffering, influencing metabolism and ATP production.
  • Disrupted Ca2+ homeostasis in cells contributes to apoptosis or necrosis.
  • Aberrant mitochondrial Ca2+ handling is a significant factor in the development of CRD.

Conclusions:

  • Mitochondrial Ca2+ signaling is a critical regulator in CRD, including asthma and COPD.
  • Understanding the dysregulation of mitochondrial Ca2+ homeostasis can guide the development of novel therapies.
  • Targeting mitochondrial Ca2+ pathways may offer new treatment strategies for respiratory diseases.