Physiological effects and mechanisms of action of endocrine disrupting chemicals that alter estrogen signaling

Derek V. Henley, Kenneth S. Korach

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A large number of natural and synthetic chemicals have been identified that are reported to disrupt the normal functioning of the endocrine system and produce untoward effects in hormone-responsive target tissues and organs in both humans and animals. These chemicals are broadly referred to as endocrine disrupting chemicals (EDCs) and consist of numerous physically …

Impact of environmental endocrine disrupting chemicals on the development of obesity

Retha R. Newbold

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Environmental chemicals with hormone-like activity can disrupt programming of endocrine signaling pathways during development and result in adverse effects, some of which may not be apparent until much later in life. Recent reports link exposure to environmental endocrine disrupting chemicals during development with adverse health consequences …

Sex determination and disorders of sex development according to the revised nomenclature and classification in 46,XX individuals

Eleni Kousta, Asteroula Papathanasiou, Nicos Skordis

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There have been considerable advances concerning understanding of the early and later stages of ovarian development; a number of genes have been implicated and their mutations have been associated with developmental abnormalities …

The differential impact of volatile and intravenous anaesthetics in humans

Nicholas J. Sarlis, Christian A. Koch

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We read with interest the contribution by Dr. Kostopanagiotou and colleagues describing the differential impact of volatile and intravenous anaesthetics on select hormonal and immune parameters of the stress response in the swine. We would like to highlight earlier human data of ours (some of which unpublished to date) as well as from others that are pertinent to this interesting line of research and generally supportive of the authors’ conclusions …

Neuroendocrine dysfunction in patients recovering from subarachnoid hemorrhage

Vladimir Jovanovic, Sandra Pekic, Marko Stojanovic, Goran Tasic, Branko Djurovic, Ivan Soldatovic, Mirjana Doknic, Dragana Miljic, Marina Djurovic, Milica Medic-Stojanoska, Vera Popovic

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OBJECTIVE: Subarachnoid hemorrhage (SAH) is a recently identified risk factor for hypopituitarism, particularly growth hormone (GH) and corticotrophins deficiencies. The aim of our study was to identify possible predictor(s) for neuroendocrine dysfunction in SAH survivors. DESIGN: Pituitary function was evaluated in 93 patients …

Combined therapy with L-Thyroxine and L-Triiodothyronine compared to L-Thyroxine alone in the treatment of primary hypothyroidism

Valentine V. Fadeyev, Tatyana B. Morgunova, Galina A. Melnichenko, Ivan I. Dedov

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Objective: The objective of this study was to compare various parameters in patients with hypothyroidism receiving either monotherapy with L-Thyroxine (L-T4) or combination therapy with L-T4 and L-Triiodothyronine (L-T3). Design: We conducted a randomized, controlled trial in 36 premenopausal women with hypothyroidism …

High rates of obesity prevalence in adults living in Central Greece: Data from the ARGOS Study

George N. Koukoulis, Christina Sakka, Fotis Katsaros, Maria Goutou, Sofia Tsirona, Efthimia Tsiapali, Aristea Piterou, Ioannis Stefanidis, Nikolaos Stathakis

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OBJECTIVE: To investigate the prevalence of obesity in adults of a large region of Central Greece. DESIGN: The target group was adults aged 18 to 79 years who were residents of the region of Thessaly for at least one year. A sample of 852 individuals stratified for sex and age were included. Each subject underwent a thorough physical examination and body mass index …

Relationship between serum zinc levels, thyroid hormones and thyroid volume following successful iodine supplementation

Sibel Ertek, Arrigo FG Cicero, Oya Caglar, Gurbuz Erdogan

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OBJECTIVE: Zinc is essential for many biochemical processes and also for cell proliferation. Thyroid hormones influence zinc metabolism by affecting zinc absorption and excretion. Additionally, zinc deficiency affects thyroid function. The aim of the present study was to evaluate a possible association of zinc levels with thyroid volume …

Optic neuropathy following radiotherapy for Cushing?s disease: case report and literature review

Nikiforos Ballian, Ioannis I. Androulakis, Klio Chatzistefanou, Christianna Samara, Konstantinos Tsiveriotis, Gregory A. Kaltsas

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Radiation-induced optic neuropathy is a rare adverse effect of radiotherapy applied for the treatment of pituitary adenomas. We report a patient with a recurrent adrenocorticotrophin secreting pituitary adenoma who received external beam irradiation after failing surgical and medical therapy …

Cinacalcet in hyperparathyroidism secondary to X-linked hypophosphatemic rickets: case report and brief literature review

Maria P. Yavropoulou, Kalliopi Kotsa, Anna Gotzamani Psarrakou, Αlexandra Papazisi, Τheoni Tranga, Stelios Ventis, John G. Yovos

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X-linked dominant hypophosphatemic rickets (XLH) is the most prevalent genetic form of hypophosphatemic rickets. Standard treatment of XLH patients includes long-term administration of phosphate and calcitriol. Treated patients usually respond well to the conventional therapy and demonstrate amelioration of rachitic symptoms and improved growth …