1996
DOI: 10.1016/s0024-3205(96)00586-3
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Vitamin D receptor gene expression in human pituitary gland

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Cited by 82 publications
(51 citation statements)
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“…Bilateral orchiectomy has been shown to be associated with a significant reduction in 25(OH)D levels despite adequate T replacement therapy (33), leading to the suggestion that the microsomal form of 25-hydroxylase (CYP2R1) expressed in Leydig cells may play a physiologically important role in vitamin D activation. The VDR and 1a-hydroxylase (CYP27B1) have also been shown to be expressed in virtually all cell types within the anterior pituitary (14) and hypothalamus (13). Whether vitamin D plays any role in regulating gene expression and hormone secretion in these component structures of the HPT axis remains unknown.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Bilateral orchiectomy has been shown to be associated with a significant reduction in 25(OH)D levels despite adequate T replacement therapy (33), leading to the suggestion that the microsomal form of 25-hydroxylase (CYP2R1) expressed in Leydig cells may play a physiologically important role in vitamin D activation. The VDR and 1a-hydroxylase (CYP27B1) have also been shown to be expressed in virtually all cell types within the anterior pituitary (14) and hypothalamus (13). Whether vitamin D plays any role in regulating gene expression and hormone secretion in these component structures of the HPT axis remains unknown.…”
Section: Discussionmentioning
confidence: 99%
“…Recently, Wehr et al (11) observed a positive, crosssectional association between T and 25(OH)D together with a concordant pattern of seasonal variation for both hormones. The authors hypothesise that serum vitamin D levels may impact directly on gonadal functioning, with biological plausibility stemming from the presence of vitamin D receptor (VDR) in the testis (12), hypothalamus (13) and pituitary gland (14). Previous work in our group has shown that multilevel functional alterations in the HPT axis are linked to distinct risk factors, such as obesity and comorbidity that interact with age to contribute to declining T levels (8).…”
Section: Introductionmentioning
confidence: 99%
“…The recent interest in the role of vitamin D as a sleep modulator is based on studies in both animal models and humans, indicating the neuronal expression of CYP27B1 and VDR in different brain areas, especially in regions that also regulate the sleep-wake cycle, such as the hypothalamus (Stumpf & O'Brien 1987, Pérez-Fernandez et al 1997, Prüfer et al 1999, Eyles et al 2005.…”
Section: Vitamin D and Sleepmentioning
confidence: 99%
“…Ана-логичным образом плацента беременной женщины экс-прессирует CYP27B1 (кодирует 1α-гидроксилазу) и РВД [21,22]. Кроме того, РВД обнаружены в гипофизе [23] и эндометрии у женщин [19]. Эндометрий отвечает за экс-траренальный синтез активной формы витамина Д, что доказано исследованием Vigano et al [24] при измерении уровня 1,25(OH) 2 Д 3 в надосадочной жидкости эндометри-альных клеток, обработанных витамином Д. Авторы также показали, что активная форма гена 1α-гидроксилазы экс-прессируется в стромальных клетках эндометрия у жен-щин независимо от фазы цикла, но значительно повыша-ется в ранний децидуальный период [24].…”
Section: экспрессия рвд в женских репродуктивных тканяхunclassified