2018
DOI: 10.28982/josam.443902
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Melatonin, leptin, and ghrelin levels in nurses working night shifts

Abstract: Aim: The levels of several hormones including melatonin, leptin, and ghrelin are regulated by circadian rhythm. Deregulated hormone levels due to disruption of circadian rhythm may result in medical conditions like metabolic syndrome (MetS). The aim of this cross-sectional study was to investigate the associations among circadian rhythm, melatonin, leptin, ghrelin and metabolic syndrome by determining melatonin levels of healthy nurses who were working on night-shift for at least 3 months and of those on day-s… Show more

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Cited by 3 publications
(5 citation statements)
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“…They found that nurses working ≥3 consecutive nights had lower evening MT6s levels and earlier peak melatonin production compared with day‐only workers. A cross‐sectional Turkish study involving 25 nurses working rotating shifts and 25 working day shifts who had at least 3 months in the same shift showed rotating shift nurses had lower evening MT6s (273.98 pg/ml) compared with day shift nurses (534.11 pg/ml; Söylemez et al., 2014).…”
Section: Discussionmentioning
confidence: 99%
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“…They found that nurses working ≥3 consecutive nights had lower evening MT6s levels and earlier peak melatonin production compared with day‐only workers. A cross‐sectional Turkish study involving 25 nurses working rotating shifts and 25 working day shifts who had at least 3 months in the same shift showed rotating shift nurses had lower evening MT6s (273.98 pg/ml) compared with day shift nurses (534.11 pg/ml; Söylemez et al., 2014).…”
Section: Discussionmentioning
confidence: 99%
“…The devastating impact of shift work has increased research interest in sleep biomarkers, particularly melatonin, which is considered the ‘gatekeeper’ of circadian clocks (Söylemez, Sivri, Şimşek, Polat, & Çakır, 2014). Melatonin is secreted naturally by the pineal gland and is a key driver of the biological rhythm, which increases at night/during darkness hours and decreases in the early morning hours to prepare the body for wakefulness (Su et al., 2017).…”
Section: Introductionmentioning
confidence: 99%
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“…According to some studies, night-shift work affects circadian rhythms and is a risk factor for obesity and a number of chronic diseases [ 56 ]. They found that healthy premenopausal nurses working the night shift had significantly lower morning melatonin and non-significantly lower leptin and higher ghrelin, BMI, HOMA-index, and biochemical indicators (serum glucose, insulin, HDL-cholesterol, LDL-cholesterol, triglycerides) compared to these parameters in nurses working the day shift.…”
Section: Relationship Between Melatonin Leptin and Ghrelinmentioning
confidence: 99%
“…Polycystic ovary syndrome (PCOS) is a common endocrine disease. Various chronic diseases are associated with PCOS, such as diabetes mellitus and metabolic syndrome [1]. The etiology of PCOS remains unclear, although the evidence indicates a multifactorial origin on the basis of genetic predisposition [2].…”
Section: Introductionmentioning
confidence: 99%