Mitochondria number and intracellular organization can vary in an energy-dependent form for distinct types of airway epithelial cells ( Figure 1 ), idiopathic pulmonary fibrosis (IPF) ( Figure 2 ), and asthma ( Figure 3 ) ( Figure 1 Figure 2 Figure 3 The centrality of mitochondrial dysfunction in the context of chronic respiratory diseases has been studied extensively in diseases that affect the trachea, bronchi, bronchioles ( Mitochondrial Morphology Structurally, mitochondria differ from other organelles in that their internal compartment (matrix) is kept apart from the cell cytoplasm through inner and outer membranes, separated by an intermembrane space, and all of these components play a fundamental role in their biochemical reactions ( In primary type II alveolar epithelial cells (AECII) in patients with COPD, abnormalities in the mitochondrial morphology have been reported, including loss of cristae and swollen and fragmented mitochondria ( In vitro long-term exposure to cigarette smoke extract (CSE) in cultured human airway epithelial cells resulted in similar mitochondrial abnormalities ( However, mitochondrial changes in COPD are not restricted exclusively to lung parenchyma or airway cells

Heated tobacco sticks are tightly packed cylinders of tobacco, wrapped in a paper-like material and depending on the type of stick, with specific internal components
When I woke up the next morning the whole thing looked bruised
As the health risks of smoking are serious, you should give up cigarettes as early as possible