Interactive Roles of CaMKII/Ryanodine Receptor Signaling and Inflammation in Lung Diseases

Lan Wang1,2, Roman G Ginnan1, Yong-Xiao Wang3

  • 1Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA.

Insights

Calcium/calmodulin-dependent protein kinase II (CaMKII) and ryanodine receptors (RyRs) are crucial in lung diseases. Understanding their complex signaling in response to reactive oxygen species (ROS) may reveal new therapeutic targets for pulmonary conditions.

Area of Science:

  • Pulmonary Medicine
  • Molecular Biology
  • Biochemistry

Background:

  • Calcium/calmodulin-dependent protein kinase II (CaMKII) is a key kinase implicated in pulmonary pathologies.
  • CaMKII signaling influences vascular disease, asthma, and cancer in the lungs.
  • CaMKII and ryanodine receptors (RyRs) are involved in redox modulation and inflammation.

Purpose of the Study:

  • To review the roles of CaMKII and RyRs in lung diseases.
  • To elucidate the signaling complex between CaMKII, RyRs, and reactive oxygen species (ROS).
  • To understand how this complex connects prooxidant conditions to pathological effects in pulmonary disease.

Main Methods:

  • Literature review of studies on CaMKII, RyRs, and ROS in pulmonary contexts.
  • Analysis of CaMKII's activation by ROS and its regulation of RyR activity.
  • Examination of the involvement of CaMKII and RyRs in inflammatory processes.

Main Results:

  • CaMKII is activated by ROS, which modulates RyR activity, essential for Ca2+-dependent processes in lung diseases.
  • Both CaMKII and RyRs play roles in the inflammatory response within the pulmonary system.
  • The precise role of the CaMKII/RyR complex in pulmonary physiology under ROS remains unclear.

Conclusions:

  • The CaMKII/RyR signaling complex is vital for pulmonary biology, affecting cell survival, cell cycle control, and inflammation.
  • Understanding the interplay between ROS and the CaMKII/RyR complex is critical for treating lung diseases.
  • Targeting CaMKII/RyR signaling may offer novel therapeutic strategies for both rare and common pulmonary diseases.

Related Concept Videos

Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
3.6K
The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
10.0K
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
3.5K
Calmodulin-dependent Signaling01:16

Calmodulin-dependent Signaling

Calmodulin (CaM) is a calcium-binding protein in eukaryotes that controls various calcium-regulated cellular processes. It has four calcium-binding sites that bind calcium to form the calcium-calmodulin ( Ca2+-CaM) complex. GPCR stimulation increases the calcium levels in the cells that bind to CaM and induces a conformational change.
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
5.5K
Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
14.7K
COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
1.5K