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Endocrine Disorders Research

05:58 EDT 19th August 2018 | BioPortfolio

Gestational chronodisruption leads to persistent changes in the rat fetal and adult adrenal clock and function.

Light at night is essential to a 24/7 society, but it has negative consequences on health. Basically, light at night induces an alteration of our biological clocks, known as chronodisruption also during pregnancy. Here we explored the developmental impact of gestational chronodisruption (chronic photoperiod shift -CPS-) on adult and fetal adrenal biorhythms and function. We found that gestational ...

Olaparib tablets for the treatment of germline BRCA-mutated metastatic breast cancer.

Introduction Germline BRCA mutations (gBRCAm) are diagnosed in approximately 5% of unselected breast cancer patients. Olaparib is a new treatment option for patients with a gBRCAm who have metastatic HER2-negative breast cancer. Areas Covered Olaparib is an oral poly (ADP-ribose) polymerase inhibitor that has been shown in phase I-III clinical trials to have single-agent efficacy in breast cancer ...

Endocrine Deficiency as a Function of Radiation Dose to the Hypothalamus and Pituitary in Pediatric and Young Adult Patients With Brain Tumors.

Purpose There are sparse data defining the dose response of radiation therapy (RT) to the hypothalamus and pituitary in pediatric and young adult patients with brain tumors. We examined the correlation between RT dose to these structures and development of endocrine dysfunction in this population. Materials and Methods Dosimetric and clinical data were collected from children and young adults (< 2...

Traumatic brain injury and stroke: does recovery differ?

Traumatic brain injury and stroke often lead to cognitive, neurological and psychological disorders, which can result in many difficulties. Despite the existence of various disorders, improving cognitive capacities may be possible for these two pathologies.

The opioid system in stress-induced memory disorders: From basic mechanisms to clinical implications in posttraumatic stress disorder and Alzheimer's disease.

Cognitive and emotional impairment are a serious consequence of stress exposure and are core features of neurological and psychiatric conditions that involve memory disorders. Indeed, acute and chronic stress are high-risk factors for the onset of posttraumatic stress disorder (PTSD) and Alzheimer's disease (AD), two devastating brain disorders associated with memory dysfunction. Besides the sympa...

Ribociclib plus letrozole and concomitant palliative radiotherapy for metastatic breast cancer.

Ribociclib is a CDK4-6 inhibitor recently approved by the Food and Drug Administration (FDA) and the European Medicines Agency (EMA) as first-line treatment for metastatic breast cancer (MBC). The pivotal trial showed a significant improvement in progression-free survival when compared to endocrine therapy alone. However, having a challenging toxicity profile in comparison with exclusive endocrine...

Prenatal maternal anxiety and children's brain structure and function: A systematic review of neuroimaging studies.

Maternal anxiety disorders are common during pregnancy and postpartum, and are associated with increased behaviour problems and risk of mental health difficulties in children. Understanding alterations in brain structure and function associated with maternal anxiety may help elucidate potential mechanisms via which high maternal anxiety could affect children.

Hydrogen sulfide inhalation-induced immune damage is involved in oxidative stress, inflammation, apoptosis and the Th1/Th2 imbalance in broiler bursa of Fabricius.

Hydrogen sulfide (HS) is widely accepted to be a signaling molecule that exhibits some potentially beneficial therapeutic effects at physiological concentrations. At elevated levels, HS is highly toxic and has a negative effect on human health and animal welfare. Studies have shown that HS exposure induces an immune function in mice, but there are few studies of the effect of continuous HS exposur...

4-Bromodiphenyl ether delays pubertal Leydig cell development in rats.

Polybrominated diphenyl ethers are a class of brominated flame retardants that are potential endocrine disruptors. 4-Bromodiphenyl ether (BDE-3) is the most abundant photodegradation product of higher polybrominated diphenyl ethers. However, whether BDE-3 affects Leydig cell development during puberty is still unknown. The objective of this study was to explore effects of BDE-3 on the pubertal dev...

Metabolomics changes in patients with PAPP-A2 deficiency in response to rhIGF1 treatment.

Mutations in the pregnancy-associated plasma protein A2 (PAPP-A2) gene have recently been shown to cause postnatal growth failure in two prepubertal patients from a non-consanguineous Spanish family due to the resulting decrease in IGF1 bioavailability. Although a specific pharmacological treatment of this entity is yet to be established, both children received progressive subcutaneous doses (40 t...

A rare cause of cryptorchidism, the persistence of müllerian ducts syndrome.

The Persistent Müllerian Ducts Syndrome (PMDS) is a rare congenital syndrome. It is one of abnormalities of genito-sexual development that is found on the normally virilized boy (46XY). It is characterized by the development of both Wolf structures and Müller duct. The pathophysiology can be explained by an action deficit of the anti-müllerian hormone (AMH). Its clinical presentations vary depe...

Giant adrenal cyst.

Adrenal cysts are a rare entity which makes their treatment somewhat tough. Discovered in a fortuitous way or in the course of explorations for very aspecific symptoms, it is necessary to decide on a case-by-case basis, and after a careful clinical examination, whether the lesion is to be treated through surgery or if a follow-up iconography is sufficient. Three main parameters will influence this...

Paradigm shift in management of patients with vertigo and imbalance.

Dizziness is one of the most common causes of medical visits. Management of the dizzy patient may be challenging both for the general practitioner, in emergency departments, and special clinics, as behind a seemingly homogeneous clinical presentation several very different etiologies may occur. Research of the last two century enriched our knowledge about physiology and pathophysiology of the vest...

Do emotional responses to food images differ within different types of eating disorders?

To investigate emotional responses to food images in women with eating disorders (EDs) and healthy controls (HCs); and in underweight individuals post weight-restoration.

Monitoring of Metabolic, Cardiac, and Endocrine Indicators in Youth Treated With Antipsychotics as Reported by Health Care Professionals.

It is unclear how youth treated with antipsychotics are monitored. The purpose of this study was to assess monitoring of metabolic, cardiac, and endocrine indicators in youth (

Activation of Nrf2 in the liver is associated with stress resistance mediated by suppression of the growth hormone-regulated STAT5b transcription factor.

The transcription factor Nrf2 (encoded by Nfe2l2) induces expression of numerous detoxifying and antioxidant genes in response to oxidative stress. The cytoplasmic protein Keap1 interacts with and represses Nrf2 function. Computational approaches were developed to identify factors that modulate Nrf2 in a mouse liver gene expression compendium. Forty-eight Nrf2 biomarker genes were identified using...

Characterization and expression of a long neuropeptide F (NPF) receptor in the Chagas disease vector Rhodnius prolixus.

In this study, a long neuropeptide F receptor of the blood-feeding hemipteran, Rhodnius prolixus (RhoprNPFR) has been cloned and characterized. Approximately 70% of the RhoprNPFR deduced protein sequence is identical to that of other hemipteran NPFRs. RhoprNPFR has seven highly-conserved transmembrane domains, two cysteine residues in the 2nd and 3rd extracellular loops that likely form a disulfid...

The prognostic value of serum thyroid-stimulating hormone level post-lobectomy in low- and intermediate-risk papillary thyroid carcinoma.

This study was undertaken to determine the optimal thyroid-stimulating hormone (TSH) value associated with structural recurrence in patients with low-risk or intermediate-risk papillary thyroid carcinoma (PTC) who underwent thyroid lobectomy.

Personal care products use and phthalate exposure levels among pregnant women.

Fetuses are susceptible to phthalates, known endocrine disrupting chemicals, within sensitive windows of development. It is crucial to determine the major sources of phthalates to reduce exposure. This study aims to examine the associations between usage patterns of personal care products (PCPs) and urinary levels of phthalate metabolites across pregnancy in a multi-hospital based birth cohort.

Acute exposure of zebrafish embryo (Danio rerio) to flutolanil reveals its developmental mechanism of toxicity via disrupting the thyroid system and metabolism.

Flutolanil, an amide fungicide, had been detected frequently in aquatic environments; it is thus potentially a great risk to aquatic organisms and human health. Therefore, we investigated the developmental toxicity and the potential mechanism of thyroid endocrine disruption induced by flutolanil based on H NMR metabolomics analysis using a zebrafish model. Hatching of zebrafish embryo exposed to f...

HTRA2 Defect: A Recognizable Inborn Error of Metabolism with 3-Methylglutaconic Aciduria as Discriminating Feature Characterized by Neonatal Movement Disorder and Epilepsy-Report of 11 Patients.

Neonatal-onset movement disorders, especially in combination with seizures, are rare and often related to mitochondrial disorders. 3-methylglutaconic aciduria (3-MGA-uria) is a marker for mitochondrial dysfunction. In particular, consistently elevated urinary excretion of 3-methylglutaconic acid is the hallmark of a small but growing group of inborn errors of metabolism (IEM) due to defective phos...

The Neurobiological Basis of Sleep and Sleep Disorders.

The functions of sleep remain a mystery. Yet they must be important since sleep is highly conserved, and its chronic disruption is associated with various metabolic, psychiatric, and neurodegenerative disorders. This review will cover our evolving understanding of the mechanisms by which sleep is controlled and the complex relationship between sleep and disease states.

Calcium-sensing receptor in nutrient sensing: an insight into the modulation of intestinal homoeostasis.

The animal gut effectively prevents the entry of hazardous substances and microbes while permitting the transfer of nutrients, such as water, electrolytes, vitamins, proteins, lipids, carbohydrates, minerals and microbial metabolites, which are intimately associated with intestinal homoeostasis. The gut maintains biological functions through its nutrient-sensing receptors, including the Ca-sensing...

Psychosomatic disorders in ancient Greek medicine.

The concept of psychosomatic disorders, as defined by modern medicine, was difficult to be perceived by the ancient Greek physicians. Two main reasons contributed to this. One was that physicians in Greek antiquity had formed the idea that the mental illnesses that were recognized at that time, namely mania, melancholy, frenzy, caros, lethargy, apoplexy, but even epilepsy, was the result of a dist...

Cytokines, cortisol, and nitric oxide as salivary biomarkers in oral lichen planus: a systematic review.

The etiopathogenesis of oral lichen planus (OLP) is still not fully elucidated, and it is believed that its development could involve a neuro-immune-endocrine profile. This systematic review investigated the relationship between cytokines, cortisol, and nitric oxide (NO) in the saliva of OLP patients. An electronic search was conducted in Pubmed/Medline, Scopus, LIVIVO, and Web of Science database...

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