The association of low serum dehydroepiandrosterone sulfate (DHEAS) levels with age, lifestyle, general health status indicators, and specific diseases was investigated in 436 men and 544 women of 65-97 yr old. In both sexes low serum DHEAS levels were associated with age, alcohol intake, number of current medications, and decreased thyroid function. Low DHEAS was also associated with low serum albumin in men and low systolic blood pressure in women. Compared to healthy men (n=106) age-adjusted serum DHEAS levels were significantly lower in men with atrial fibrillation, chronic obstructive lung disease, dementia, parkinsonism, cancer, diabetes, hypothyroidism, and in institutionalized men. Compared to healthy women (n=100) age-adjusted serum DHEAS levels were significantly lower in women with occlusive arterial disease, chronic obstructive lung disease, and osteoporosis. After controlling for differences in lifestyle and general health status parameters, low DHEAS levels remained statistically associated only with atrial fibrillation in men and osteoporosis in women, and it cannot be excluded that these association were spurious, due to multiple comparisons. These data suggest that in elderly people low serum DHEAS levels are more a non-specific indicator of aging and health status than a risk indicator of specific diseases.
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http://dx.doi.org/10.1016/s0531-5565(01)00232-7 | DOI Listing |
Physiol Behav
December 2024
Ankara University, Faculty of Medicine, Department of Physiology, Ankara, Turkey.
Polycystic ovary syndrome (PCOS) is one of the most common endocrine and metabolic disorders . This study aimed to investigate the effects of high-intensity interval training (HIIT) on insulin resistance, oxidative stress, soleus muscle function, and myokine levels in a PCOS rat model. Female rats were assigned to four groups: Control, PCOS, PCOS+Exercise, and Exercise (n=15 each).
View Article and Find Full Text PDFEnviron Pollut
December 2024
Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China. Electronic address:
Bisphenol F (BPF) is an environmental endocrine disruptor capable of crossing the placental barrier and affecting the growth and development of offspring. Despite its potential impact, systematic research about effects of BPF on the reproductive function of male offspring remains limited. In this study, pregnant female mice were exposed to BPF at doses of 40, 400, and 4000 μg/kg during gestation and lactation, respectively, to evaluate its impact on testicular damage, testosterone levels, and spermatogenesis of male offspring (F1 generation), and further explore the mechanisms using transcriptomics.
View Article and Find Full Text PDFBone
December 2024
Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin 300052, China. Electronic address:
Background: Differences in bone metabolism between patients with adrenal Cushing's syndrome (ACS) and Cushing's disease (CD) have been noted, but the impact of steroid hormones on bone metabolism remains underexplored. The purpose of this study is to explore the differences in bone metabolism between the two subtypes of Cushing's syndrome and the correlation between hormones synthesized by the adrenal reticulum and bone metabolism.
Method: This retrospective study included 75 premenopausal women, consisting of 33 patients with CD and 42 patients with ACS.
Hereditas
December 2024
Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, No. 1, Dongjiaomin Lane, Dongcheng District, Beijing, 100730, China.
Background: Age-related macular degeneration (AMD) is the leading cause of visual impairment in the elderly population. Accumulating evidence has revealed the possible association between metabolites and AMD. This study aimed to assess the effect of plasma metabolites on AMD and its two subtypes using a bidirectional two-sample Mendelian randomization approach.
View Article and Find Full Text PDFBMC Genomics
December 2024
Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China.
Background: The ovary is a central organ in the reproductive system that produces oocytes and synthesizes and secretes steroid hormones. Healthy development and regular cyclical change in the ovary is crucial for regulating reproductive processes. However, the key genes and metabolites that regulate ovarian development and pregnancy have not been fully elucidated.
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