Moreover, our data show that similar mitochondrial changes are present in bronchial epithelium from severe ex-smoking COPD patients in comparison to healthy controls, with depletion of cristae, increased branching, elongation and swelling of the mitochondria, increased Mn-SOD, PINK1 and PPARGC1, but not OPA1 mRNA expression and increased OXPHOS Complex VF1 levels
in particular, LC has been well-established in the literature
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First, the numbers of current e-cigarette users was relatively small, which may have limited the statistical power, particularly in the subgroup analyses, underscoring the need for future studies that explore other subgroups reflecting socioeconomic and psychosocial status
First there was a tobacco industry survey taken in the early 1950s, which included only one menthol brand Kool in its poll of customer preferences