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Exploring the relationship between insulin resistance, liver health, and restrictive lung diseases in type 2 diabetes.
J. Pers. Med. 15:340 (2025)
Background: Restrictive lung disease (RLD) is a potential complication in type 2 diabetes (T2D), but its relationship with insulin resistance and liver-related metabolic dysfunction remains unclear. This study evaluated the association between lung function and metabolic markers in T2D and retrospectively assessed whether metabolic improvements from dietary intervention were accompanied by changes in lung function. Methods: This cross-sectional analysis included 184 individuals (101 with T2D, 33 with prediabetes, and 50 glucose-tolerant individuals). Lung function parameters-vital capacity (VC), total lung capacity by plethysmography (TLC-B), and diffusion capacity for carbon monoxide (TLCO)-were assessed alongside metabolic markers including HOMA2-IR, fatty liver index (FLI), NAFLD score, and Fibrosis-4 index (FIB-4). In a subset of 54 T2D participants, lung function was reassessed after six months following either a fasting-mimicking diet (FMD, n = 14), Mediterranean diet (n = 13), or no dietary intervention (n = 27). Results: T2D participants had significantly lower VC and TLC-B compared to glucose-tolerant and prediabetic individuals, with 18-21% falling below clinical thresholds for RLD. Lung volumes were negatively correlated with HOMA2-IR, FLI, NAFLD score, and FIB-4 across the cohort and within the T2D group. Although the FMD intervention led to significant improvements in HOMA2-IR and FLI, no corresponding changes in lung function were observed over the six-month period. Conclusions: Restrictive lung impairment in T2D is associated with insulin resistance and markers of liver steatosis and fibrosis. While short-term dietary interventions can improve metabolic parameters, their effect on lung function may require a longer duration or additional interventions and targeted follow-up. These findings highlight the relevance of pulmonary assessment in individuals with metabolic dysfunction.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Fli ; Homa-ir ; Masld ; Mediterranean Diet ; Fasting-mimicking-diet ; Insulin Resistance ; Intermittent Fasting Diet ; Restrictive Lung Disease ; Type 2 Diabetes
ISSN (print) / ISBN
2075-4426
e-ISSN
2075-4426
Journal
Journal of Personalized Medicine
Quellenangaben
Volume: 15,
Issue: 8,
Article Number: 340
Publisher
MDPI
Publishing Place
Basel, Switzerland
Reviewing status
Peer reviewed
Institute(s)
Institute of Diabetes and Cancer (IDC)