4.7 Article

Leukocyte Telomere Length and Neuregulin-4 Levels in Female Patients with Acromegaly: The Relationship between Disease Activity and Body Fat Distribution

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JOURNAL OF CLINICAL MEDICINE
卷 12, 期 12, 页码 -

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MDPI
DOI: 10.3390/jcm12124108

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acromegaly; leukocyte telomere length; neuregulin-4; fat distribution

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The study aimed to investigate the relationship between leukocyte telomere length (LTL) and serum neuregulin-4 levels and their association with disease activity, co-morbidities, and body fat distribution in female acromegaly patients. The results showed that there was no significant difference in LTL between acromegaly and control groups, but neuregulin-4 levels were significantly higher in acromegaly patients. There were no differences in LTL, T/S ratio, and neuregulin-4 levels between active and controlled acromegaly groups. Neuregulin-4 was positively correlated with fasting glucose, triglyceride, and lean body mass in the acromegaly group, and there was a negative correlation between LTL and neuregulin-4 in the control group.
The study aimed to examine leukocyte telomere length (LTL) and serum neuregulin-4 levels and their relationship with disease activity, co-morbidities and body fat distribution in female acromegaly patients. Forty female patients with acromegaly and thirty-nine age and body mass index (BMI) similar healthy female volunteers were included in the study. Patients were classified into two groups: active acromegaly (AA) and controlled acromegaly (CA). The quantitative polymerase chain reaction (PCR) method was used to study LTL, and T/S ratio < 1 was accepted as shortened telomere length. Neuregulin-4 was studied by ELISA. There was no difference in median LTL between acromegaly and the control group (p = 0.530). The percentage of T/S < 1 in patients with acromegaly (60.0%) was similar to that of the control group (43.6%) (p = 0.144). However, serum neuregulin-4 was significantly higher in patients with acromegaly than those in the control group (p = 0.037). There were no significant differences concerning LTL, percentage of T/S < 1 and neuregulin-4 levels between active and controlled acromegaly groups (p > 0.05). Neuregulin-4 correlated positively with fasting glucose, triglyceride (TG), triglyceride/glucose (TyG) index, and lean body mass in the acromegaly group. A negative correlation was observed between LTL and neuregulin-4 in the control group (p = 0.039). When the factors affecting neuregulin-4 were evaluated by multivariate linear regression analysis with an enter method, TG (& beta;: 0.316, p = 0.025) was independently and positively associated with neuregulin-4. Our findings indicate that acromegaly is associated with unchanged LTL and high neuregulin-4 levels in female patients. However, the relationship between acromegaly, the aging process, and neuregulin-4 involves complex mechanisms, and further studies are needed.

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