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Xiaoyi Qi Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China
Medical College, Shantou University, Shantou, China

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Liangxian Qiu Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China

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Shijia Wang Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China

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Xiongbiao Chen Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China

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Qianwen Huang Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China

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Yixuan Zhao Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China
Medical College, Shantou University, Shantou, China

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Kunfu Ouyang Department of Cardiovascular Surgery, Peking University Shenzhen Hospital, School of Chemical Biology and Biotechnology, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen, China

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Yanjun Chen Departments of Cardiology, Peking University Shenzhen Hospital, Shenzhen, China

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Background

Heart failure (HF) is a complex and multifactorial syndrome caused by impaired heart function. The high morbidity and mortality of HF cause a heavy burden of illness worldwide. Non-thyroidal illness syndrome (NTIS) refers to aberrant serum thyroid parameters in patients without past thyroid disease. Observational studies have indicated that NTIS is associated with a higher risk of all-cause mortality in HF. This meta-analysis aimed to investigate the association between NTIS and HF prognosis.

Methods

Medline, Embase, Web of Science, and the Cochrane database were searched for any studies reporting an association between NTIS and HF prognosis from inception to 1 July 2022. A meta-analysis was then performed. The quality of studies was assessed using the Newcastle–Ottawa Scale. The heterogeneity of the results was assessed with I 2 and Cochran's Q statistics. Sensitivity analysis and publication bias analysis were also conducted.

Results

A total of 626 studies were retrieved, and 18 studies were finally included in the meta-analysis. The results showed that NTIS in HF patients was significantly associated with an increased risk of all-cause mortality and major cardiovascular events (MACE), but not with in-hospital mortality. The stability of the data was validated by the sensitivity analysis. There was no indication of a publication bias in the pooled results for all-cause mortality and MACE.

Conclusions

This meta-analysis showed that NTIS was associated with a worse outcome in HF patients. However, the association between NTIS and in-hospital mortality of HF patients requires further investigation.

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Shuang Wan Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China
Department of Endocrinology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China

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Chengcheng Zheng Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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Tao Chen Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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Lu Tan Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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Jia Tang Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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Haoming Tian Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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Yan Ren Adrenal Center, Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu, China

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We applied 24-h Holter monitoring to analyze the characteristics of arrhythmias and heart rate variability in Chinese patients with primary aldosteronism (PA) and compared them with age-, sex-, and blood pressure-matched primary hypertension (PH) patients. A total of 216 PA patients and 261 PH patients were enrolled. The nonstudy data were balanced using propensity score matching (PSM), and the risk variables for developing arrhythmias were then analyzed using logistic regression analysis. Before PSM, the proportion of PA patients with combined atrial premature beats and prolonged QT interval was higher than the corresponding proportion in the PH group. After PSM, the PA group had a larger percentage of transient atrial tachycardia and frequent atrial premature beats, and it had higher heart rate variability metrics. The proportion of unilateral PA combined with multiple ventricular premature beats was higher than that of bilateral PA. Older age, grade 3 hypertension, and hypokalemia were independent risk factors for the emergence of arrhythmias in PA patients. PA patients suffer from a greater prevalence of arrhythmias than well-matched PH patients.

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Shenghe Luo College of Pharmacy, Yanbian University, Yanji, China

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Yunhui Zuo Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
Department of Cardiology, Yanbian University Hospital, Yanji, China

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Xiaotian Cui Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China

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Meiping Zhang Department of Cardiology, Yanbian University Hospital, Yanji, China

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Honghua Jin Department of Pharmacy, Yanbian University Hospital, Yanji, China

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Lan Hong Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China

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To observe the effects of liraglutide (analog of glucagon-like peptide 1 (GLP-1)) on atrial natriuretic peptide (ANP) secretion and atrial dynamics, an ex vivo isolated rat atrial perfusion model was used to determine atrial ANP secretion and pulse pressure. DPP-4−/− mice were also established in vivo. ANP levels were determined by radioimmunoassay; GLP-1 content was determined by Elisa. The expression levels of GLP-1 receptor (GLP-1R), PI3K/AKT/mTOR, piezo 1, and cathepsin K were analyzed by Western blot. In the clinical study, patients with acute coronary syndrome (ACS) had low levels of plasma GLP-1 but relatively high levels of plasma ANP. In ex vivo (3.2 nmol/L) and in vivo (30 μg/kg) models, liraglutide significantly decreased ANP levels and atrial pulse pressure. Exendin9–39 alone (GLP-1R antagonist) reversibly significantly increased ANP secretion, and the reduction effect of liraglutide on the secretion of ANP was significantly alleviated by Exendin9–39. Exendin9–39 demonstrated slightly decreased atrial pulse pressure; however, combined liraglutide and Exendin9–39 significantly decreased atrial pulse pressure. Ly294002 (PI3K/AKT inhibitor) inhibited the increase of ANP secretion by liraglutide for a short time, while Ly294002 didn't counteract the decrease in pulse pressure by liraglutide in atrial dynamics studies. Liraglutide increased the expression of GLP-1R and PI3K/AKT/mTOR in isolated rat atria and the hearts of mice in vivo, whereas Exendin9–39 reversibly reduced the expression of GLP-1R and PI3K/AKT/mTOR. Piezo 1 was significantly decreased in wild type and DPP-4−/− mouse heart or isolated rat atria after being treated with liraglutide. Cathepsin K expression was only decreased in in vivo model hearts. Liraglutide can inhibit ANP secretion while decreasing atrial pulse pressure mediated by GLP-1R. Liraglutide probably plays a role in the reduction of ANP secretion via the PI3K/AKT/mTOR signaling pathway. Piezo 1 and cathepsin K may be involved in the liraglutide mechanism of reduction.

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Willem de Ronde Department of Internal Medicine, Spaarne Gasthuis, Haarlem, the Netherlands

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Diederik L Smit Department of Internal Medicine, Spaarne Gasthuis, Haarlem, the Netherlands

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This review summarizes 10 years experience with male abusers of anabolic androgenic steroids (AAS). The typical user of AAS is male, aged between 20 and 40 and lifting weights. Illegal AAS are cheap and easily obtained via internet or local suppliers. AAS are mostly used in cycles with a duration between 6 and 18 weeks. Most AAS cycles contain multiple agents, used simultaneously in a dose vastly exceeding a substitution dose. A variety of other performance and image-enhancing drugs are commonly used, including human growth hormone, thyroid hormone, tamoxifen, clomiphene citrate and human chorionic gonadotrophin. Short-term clinical and biochemical side effects are well established. Long-term side effects are uncertain, but may include heart failure, mood-and anxiety disorders, hypogonadism and subfertility. We share our views on the management of common health problems associated with AAS abuse.

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Melinda Kertész Department of Medicine and Nephrology-Diabetes Centre, Medical School, University of Pécs, Pécs, Baranya, Hungary

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Szilárd Kun Department of Medicine and Nephrology-Diabetes Centre, Medical School, University of Pécs, Pécs, Baranya, Hungary

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Eszter Sélley Department of Medicine and Nephrology-Diabetes Centre, Medical School, University of Pécs, Pécs, Baranya, Hungary

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Zsuzsanna Nagy Department of Medicine and Nephrology-Diabetes Centre, Medical School, University of Pécs, Pécs, Baranya, Hungary

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Tamás Kőszegi Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Baranya, Hungary

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István Wittmann Department of Medicine and Nephrology-Diabetes Centre, Medical School, University of Pécs, Pécs, Baranya, Hungary

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Background

Type 2 diabetes is characterized, beyond the insulin resistance, by polyhormonal resistance. Thyroid hormonal resistance has not yet been described in this population of patients. Metformin is used to decrease insulin resistance, and at present, it is assumed to influence the effect of triiodothyronine, as well.

Methods

In this open-label, pilot, hypothesis-generating, follow-up study, 21 patients were included; all of them were euthyroid with drug naïve, newly diagnosed type 2 diabetes. Before and after 4 weeks of metformin therapy, fructosamine, homeostasis model assessment for insulin resistance (HOMA-IR), thyroid hormones, T3/T4 ratio, and TSH, as well as blood pressure and heart rate using ambulatory blood pressure monitor were measured. We also conducted an in vitro study to investigate the possible mechanisms of T3 resistance, assessing T3-induced Akt phosphorylation among normal (5 mM) and high (25 mM) glucose levels with or without metformin treatment in a human embryonal kidney cell line.

Results

Metformin decreased the level of T3 (P < 0.001), the ratio of T3/T4 (P = 0.038), fructosamine (P = 0.008) and HOMA-IR (P = 0.022). All these changes were accompanied by an unchanged TSH, T4, triglyceride, plasma glucose, bodyweight, blood pressure, and heart rate. In our in vitro study, T3-induced Akt phosphorylation decreased in cells grown in 25 mM glucose medium compared to those in 5 mM. Metformin could not reverse this effect.

Conclusion

Metformin seems to improve T3 sensitivity in the cardiovascular system in euthyroid, type 2 diabetic patients, the mechanism of which may be supracellular.

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Chaiho Jeong Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Bongseong Kim Department of Medical Statistics, Soongsil University of Korea, Seoul, Republic of Korea

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Jinyoung Kim Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Hansang Baek Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Mee Kyoung Kim Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Tae-Seo Sohn Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Ki-Hyun Baek Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Ki-Ho Song Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Hyun-Shik Son Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Kyungdo Han Department of Medical Statistics, Soongsil University of Korea, Seoul, Republic of Korea

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Hyuk-Sang Kwon Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

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Objective

Real-world-based population data about the optimal low-density lipoprotein cholesterol (LDL-C) level for preventing cardiovascular disease in very high-risk populations is scarce.

Methods

From 2009 to 2012, 26,922 people aged ≥ 40 years with type 2 diabetes mellitus (T2DM) who had a history of percutaneous coronary intervention (PCI) were analyzed. Data from the Korean National Health Insurance System were used. They were followed up to the date of a cardiovascular event or the time to death, or until December 31, 2018. Endpoints were recurrent PCI, newly stroke or heart failure, cardiovascular death, and all-cause death. Participants were divided into the following categories according to LDL-C level: <55 mg/dL, 55–69 mg/dL, 70–99 mg/dL, 100–129 mg/dL, 130–159 mg/dL, and ≥ 160 mg/dL.

Results

Compared to LDL-C < 55 mg/dL, the hazard ratios (HR) for re-PCI and stroke increased linearly with increasing LDL-C level in the population < 65 years. However, in ≥ 65 years old, HRs for re-PCI and stroke in LDL-C = 55–69 mg/dL were 0.97 (95% CI: 0.85–1.11) and 0.96 (95% CI: 0.79–2.23), respectively. The optimal range with the lowest HR for heart failure and all-cause mortality were LDL-C = 70–99 mg/dL and LDL-C = 55–69 mg/dL, respectively, in all age groups (HR: 0.99, 95% CI: 0.91–1.08 and HR: 0.91, 95% CI: 0.81–1.01).

Conclusion

LDL-C level below 55 mg/dL appears to be optimal in T2DM patients with established cardiovascular disease aged < 65 years, while an LDL-C level of 55–69 mg/dL may be optimal for preventing recurrent PCI and stroke in patients over 65 years old.

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Caroline Culen University Clinic of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Diana-Alexandra Ertl University Clinic of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Katharina Schubert University Clinic of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Lisa Bartha-Doering University Clinic of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Gabriele Haeusler University Clinic of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria

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Turner syndrome (TS), although considered a rare disease, is the most common sex chromosome abnormality in women, with an incident of 1 in 2500 female births. TS is characterized by distinctive physical features such as short stature, ovarian dysgenesis, an increased risk for heart and renal defects as well as a specific cognitive and psychosocial phenotype. Given the complexity of the condition, patients face manifold difficulties which increase over the lifespan. Furthermore, failures during the transitional phase to adult care result in moderate health outcomes and decreased quality of life. Guidelines on the optimal screening procedures and medical treatment are easy to find. However, recommendations for the treatment of the incriminating psychosocial aspects in TS are scarce. In this work, we first reviewed the literature on the cognitive and psychosocial development of girls with TS compared with normal development, from disclosure to young adulthood, and then introduce a psychosocial approach to counseling and treating patients with TS, including recommendations for age-appropriate psychological diagnostics. With this work, we aim to facilitate the integration of emphasized psychosocial care in state-of-the-art treatment for girls and women with TS.

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Merete Gedde-Dahl
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Espen Thiis-Evensen
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Andreas Myklebust Tjølsen Section of Gastroenterology, University of Oslo School of Medicine, Department of Transplantation Medicine, Oslo University Hospital, Rikshospitalet, Postboks 4953, Nydalen, 0424 Oslo, Norway

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Kjerstin Skrede Mordal
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Morten Vatn
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Deidi S Bergestuen
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Neuroendocrine tumors (NETs) arising in the small intestine are known to produce vasoactive substances, including serotonin, that may result in the carcinoid syndrome (flushing, diarrhea, bronchoconstriction, and carcinoid heart disease). Measurement of the serotonin breakdown product 5-hydroxyindoleacetic acid (5-HIAA) in urine is important in diagnosing and monitoring of patients with intestinal NETs. Our aim was to compare 5-HIAA measurement in 24-h urine sampling with overnight (∼8-h) sampling in patients with known NETs, or at follow-up of patients potentially cured for their NETs. Twenty-four-hour and overnight urine samples were collected from 34 patients and analyzed for urinary 5-HIAA (U5-HIAA) using HPLC. Comparison of the overnight sampling values with the 24-h values showed no difference, P=0.45, and there was a significant direct correlation between the two samples using linear regression (R=0.97, P<0.001). U5-HIAA sample collection during a nightly interval of ∼8 h appears to have the same accuracy as the 24-h collection in this group of patients.

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Julie Smith Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark

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Jan Fahrenkrug Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark

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Henrik L Jørgensen Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark

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Christina Christoffersen Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark
Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark

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Jens P Goetze Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark
Department of Clinical Biochemistry (KB3014), Department of Technology, Department of Clinical Biochemistry, Department of Biomedical Sciences, Department of Clinical Medicine, Rigshospitalet, University of Copenhagen, 9 Blegdamsvej, DK-2100 Copenhagen, Denmark

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Disruption of the circadian rhythm can lead to obesity and cardiovascular disease. In white adipose tissue, activation of the natriuretic peptide receptors (NPRs) stimulates lipolysis. We have previously shown that natriuretic peptides are expressed in a circadian manner in the heart, but the temporal expression profile of their cognate receptors has not been examined in white adipose tissue. We therefore collected peri-renal white adipose tissue and serum from WT mice. Tissue mRNA contents of NPRs – NPR-A and NPR-C, the clock genes Per1 and Bmal1, and transcripts involved in lipid metabolism were quantified at 4-h intervals: in the diurnal study, mice were exposed to a period of 12 h light followed by 12 h darkness (n=52). In the circadian study, mice were kept in darkness for 24 h (n=47). Concomitant serum concentrations of free fatty acids, glycerol, triglycerides (TGs), and insulin were measured. Per1 and Bmal1 mRNA contents showed reciprocal circadian profiles (P<0.0001). NPR-A mRNA contents followed a temporal pattern (P=0.01), peaking in the dark (active) period. In contrast, NPR-C mRNA was expressed in an antiphase manner with nadir in the active period (P=0.007). TG concentrations in serum peaked in the active dark period (P=0.003). In conclusion, NPR-A and NPR-C gene expression is associated with the expression of clock genes in white adipose tissue. The reciprocal expression may thus contribute to regulate lipolysis and energy homeostasis in a diurnal manner.

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Natasha Bergmann Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Søren Ballegaard Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Pernille Holmager Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Per Bech Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Åke Hjalmarson Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Finn Gyntelberg Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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Jens Faber Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark
Department of Endocrinology, Ull Care A/S, Psychiatric Research Unit, The Cardiovascular Institute, The National Research Center for the Working Environment, Faculty of Health and Medical Sciences, Herlev University Hospital, Herlev, Denmark

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The aim of this study was to test i) whether patients having diabetes and ischemic heart disease (IHD), i.e., patients suffering from two chronic diseases, demonstrate a higher degree of chronic stress when compared with patients suffering from IHD alone, and ii) whether suffering from the two chronic diseases results in an elevation in specific elements of the chronic stress concept. A total of 361 participants with IHD were included, of whom 47 suffered from concomitant diabetes. Stress was measured by pressure pain sensitivity (PPS) and by the following questionnaires: the Major Depression Inventory (MDI), the SF-36 Quality of Life questionnaire (SF-36 QOL), the WHO-5 Well-being Index, and the clinical stress signs (CSSs) scale. Participants with diabetes and IHD had a higher MDI score, a lower SF-36 physical component summary score, and a lower score of several sub-measurements of the SF-36 mental component score when compared with patients with IHD without diabetes. No significant differences were observed regarding stress measured by the PPS measure, the WHO-5 Well-being Index, or the number of CSSs. In conclusion, the combination of diabetes and IHD seems to be associated with increased depressive symptoms, lower overall physical QOL, and reduced mental QOL on several sub-elements of the questionnaire. This should be recognized in the management of patients with double diagnoses.

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