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Schizophrenia hormone

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https://www.readbyqxmd.com/read/28925886/the-microbiota-gut-brain-axis-in-neuropsychiatric-disorders-pathophysiological-mechanisms-and-novel-treatments
#1
Yong-Ku Kim, Cheolmin Shin
BACKGROUND: The human gut microbiome comprise a huge number of microorganisms with co-evolutionary associations with humans. It has been repeatedly revealed that bidirectional communication exists between the brain and the gut and involves neural, hormonal, and immunological pathways. Evidences from neuroscience researches over the past few years suggest that microbiota is essential for the development and maturation of brain systems that are associated to stress responses. METHOD: This review provides that the summarization of the communication among microbiota, gut and brain and the results of preclinical and clinical studies on gut microbiota used in treatments for neuropsychiatric disorders...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28830897/tsh-and-prl-side-effect-markers-in-aripiprazole-treatment-adjunctive-aripiprazole-induced-thyrotropin-oversuppression-in-a-young-man-with-schizophrenia
#2
Hidenobu Ohta, Satoru Inoue, Koichiro Hara, Akihiko Watanabe
A 26-year-old Japanese man was admitted to our unit with exacerbated paranoid schizophrenia. Prior to his admission, daily administration of olanzapine had been sufficient to maintain a partial remission of his schizophrenia, but due to an exacerbation of his delusions, he had then also been prescribed aripiprazole, which had been followed by no improvement in symptoms and a gradual further exacerbation of auditory delusions. Physical examinations, brain MRI and neurophysiological assessment were unremarkable...
August 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28728797/-prevalence-of-hypothyroidism-in-major-psychiatric-disorders-in-hospitalised-patients-in-montserrat-hospital-during-the-period-march-to-october-2010
#3
Pedro Vargas Navarro, Edgar Antonio Ibañez Pinilla, Alejandra Galeano España, Ana María Noguera Bravo, Sandra Milena Pantoja, Ana María Suárez Acosta
INTRODUCTION: Hypothyroidism results from inadequate production of thyroid hormone. It is known that there is a relationship between the major psychiatric disorders and hypothyroidism. OBJECTIVE: To determine the prevalence of hypothyroidism in patients admitted due to major psychiatric disorders in Montserrat Hospital during the period from March to October 2010. MATERIAL AND METHODS: A descriptive cross-sectional study was conducted on 105 patients admitted to Montserrat Hospital with a primary diagnosis of major psychiatric disorder (major depression, bipolar affective disorder, generalised panic disorder, panic disorder, mixed anxiety-depressive disorder, and schizophrenia) in the aforementioned period...
July 2017: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/28724123/assessment-of-insulin-resistance-among-drug-naive-patients-with-first-episode-schizophrenia-in-the-context-of-hormonal-stress-axis-activation
#4
Johann Steiner, Maximus Berger, Paul C Guest, Henrik Dobrowolny, Sabine Westphal, Kolja Schiltz, Zoltán Sarnyai
No abstract text is available yet for this article.
September 1, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28703738/abnormally-increased-secretion-in-olfactory-neuronal-precursors-from-a-case-of-schizophrenia-is-modulated-by-melatonin-a-pilot-study
#5
Montserrat G Cercós, Tania Galván-Arrieta, Marcela Valdés-Tovar, Héctor Solís-Chagoyán, Jesús Argueta, Gloria Benítez-King, Citlali Trueta
The alterations that underlie the pathophysiology of schizophrenia (SCZ) include the dysregulation of structural and functional properties of neurons. Among these, the secretion of neurotransmitters and hormones, which plays a key role for neuronal communication and development, is altered. Neuronal precursors from the human olfactory epithelium have been recently characterized as a reliable model for studying the etiopathogenesis of neuropsychiatric diseases. Our previous work has shown that melatonin enhances the development of morphological and functional features of cloned olfactory neuronal precursors (ONPs) from a healthy subject...
July 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28702774/do-fsh-lh-ratio-and-gonadal-hormone-levels-predict-clinical-improvement-in-postmenopausal-schizophrenia-women
#6
Alexandre González-Rodríguez, Miquel Bernardo, Rafael Penadés, Bárbara Arias, Victoria Ruiz Cortés, Mary V Seeman, Rosa Catalán
Menopause is a process characterized by a decline in estrogen levels and is therefore a period of biological vulnerability for psychotic relapse in women with schizophrenia. Our goal was to correlate not only gonadal hormone levels but also follicle-stimulating hormone (FSH) and luteinizing hormone (LH) levels with improvement in specific clinical symptoms. Thirty-seven acutely ill postmenopausal schizophrenia women with a newly initiated, clinically determined change in antipsychotic medication participated in a 12-week prospective observational outcome study...
July 12, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/28681245/an-overview-on-d-amino-acids
#7
REVIEW
Giuseppe Genchi
More than half a century ago researchers thought that D-amino acids had a minor function compared to L-enantiomers in biological processes. Many evidences have shown that D-amino acids are present in high concentration in microorganisms, plants, mammals and humans and fulfil specific biological functions. In the brain of mammals, D-serine (D-Ser) acts as a co-agonist of the N-methyl-D-aspartate (NMDA)-type glutamate receptors, responsible for learning, memory and behaviour. D-Ser metabolism is relevant for disorders associated with an altered function of the NMDA receptor, such as schizophrenia, ischemia, epilepsy and neurodegenerative disorders...
July 5, 2017: Amino Acids
https://www.readbyqxmd.com/read/28674745/selective-enhancement-of-nmda-receptor-mediated-locomotor-hyperactivity-by-male-sex-hormones-in-mice
#8
Maarten van den Buuse, Jac Kee Low, Perrin Kwek, Sally Martin, Andrea Gogos
RATIONALE: Altered glutamate NMDA receptor function is implicated in schizophrenia, and gender differences have been demonstrated in this illness. OBJECTIVES: This study aimed to investigate the interaction of gonadal hormones with NMDA receptor-mediated locomotor hyperactivity and PPI disruption in mice. RESULTS: The effect of 0.25 mg/kg of MK-801 on locomotor activity was greater in male mice than in female mice. Gonadectomy (by surgical castration) significantly reduced MK-801-induced hyperlocomotion in male mice, but no effect of gonadectomy was seen in female mice or on amphetamine-induced locomotor hyperactivity...
July 3, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28673758/estrogens-and-the-cognitive-symptoms-of-schizophrenia-possible-neuroprotective-mechanisms
#9
REVIEW
Claire McGregor, Alexander Riordan, Janice Thornton
Schizophrenia is a complex neuropsychiatric illness with marked sex differences. Women have later onset and lesser symptoms, which has led to the hypothesis that estrogens are protective in schizophrenia. Cognitive dysfunction is a hallmark of the disease and the symptom most correlated with functional outcome. Here we describe a number of mechanisms by which estrogens may be therapeutic in schizophrenia, with a focus on cognitive symptoms. We review the relationship between estrogens and brain derived neurotrophic factor, neuroinflammation, NMDA receptors, GABA receptors, and luteinizing hormone...
June 30, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/28670953/the-probable-role-of-adrenomedullin-and-nitric-oxide-in-childhood-attention-deficit-hyperactivity-disorder
#10
Börte Gürbüz Özgür, Hatice Aksu, Mustafa Yılmaz, Sevcan Karakoç Demirkaya
BACKGROUND: The role of adrenomedullin hormone, which has been shown to be associated with many psychiatric disorders, in the etiology of ADHD and its relation to disease is not yet known. AIM: In this study, it was aimed to compare plasma adrenomedullin and nitric oxide (NO) levels of newly diagnosed, treatment-naive patients with ADHD with healthy children. METHODS: A total of 45 children with ADHD and 45 healthy children were included. The Schedule for Affective Disorders and Schizophrenia Present and Lifetime Version (K-SADS), a semi-structured interview, was applied to all cases by child and adolescent psychiatrist...
July 2, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28595931/aripiprazole-induced-adverse-metabolic-alterations-in-polyi-c-neurodevelopmental-model-of-schizophrenia-in-rats
#11
Katerina Horska, Jana Ruda-Kucerova, Eva Drazanova, Michal Karpisek, Regina Demlova, Tomas Kasparek, Hana Kotolova
Schizophrenia appears to be linked to higher incidence of metabolic syndrome even in the absence of antipsychotic treatment. Atypical antipsychotics substantially differ in their propensity to induce metabolic alterations. Aripiprazole is considered to represent an antipsychotic drug with low risk of metabolic syndrome development. The aim of this study was to evaluate metabolic phenotype of neurodevelopmental polyI:C rat model and assess metabolic effects of chronic aripiprazole treatment with regard to complex neuroendocrine regulations of energy homeostasis...
September 1, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28587815/the-role-of-estradiol-in-schizophrenia-diagnosis-and-symptoms-in-postmenopausal-women
#12
Sienna Searles, Jenna A Makarewicz, Julie A Dumas
Schizophrenia is one of the most common mental illnesses in our society, affecting up to 1% of the population. There has been an increase in the number of people who are living longer with schizophrenia and people are being diagnosed later in life, with the majority of those later diagnoses being in women. In addition, there is a spike in diagnoses after women go through menopause, suggesting an important role for gonadal steroids in the disease. This paper examined aspects of aging and schizophrenia in the context of hormonal changes in women...
June 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28571801/hypothesis-exosomal-micrornas-as-potential-biomarkers-for-schizophrenia
#13
Vijaya Raghavan, Manish Bhomia, Isabel Torres, Sanjeev Jain, Kevin K Wang
Schizophrenia is a serious mental disorder with lifelong morbidity and increased mortality. Currently, the diagnosis of the disorder is based on patient history and clinical examination, but it has a low inter-rater reliability and validity. Various biological variables, such as event related potentials, hormonal levels, brain ventricular volume and hippocampal size, have been put forth as objective markers to diagnose schizophrenia, but none with the desired sensitivity and specificity. It has been shown that microRNAs play a vital role in gene regulation in schizophrenia and have been proposed as possible biomarkers for the disease...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28567321/neuropsychiatric-manifestations-in-a-patient-with-panhypopituitarism
#14
Oluwole Jegede, Ajouka Jeyakumar, Thyarapan Balakumar, Alyssa Raghu, Katherine I Chang, Katarina Soewono, Mario Gustave, Ayodeji Jolayemi
We present a case of an incidental diagnosis of panhypopituitarism in a 68-year-old African American man admitted to our psychiatric inpatient unit with symptoms suggestive of schizophrenia. The case was unusual as a first-episode psychosis given the patient's age. In the course of his admission, the patient's clinical condition deteriorated culminating in a sudden altered mental status which prompted a transfer to the medical floors and further investigations. A head CT scan and a pituitary MRI revealed a near total resection of the pituitary while laboratory investigations revealed hyponatremia and a grossly low hormone profile...
2017: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/28541645/raloxifene-plus-antipsychotics-versus-placebo-plus-antipsychotics-in-severely-ill-decompensated-postmenopausal-women-with-schizophrenia-or-schizoaffective-disorder-a-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Mark Weiser, Linda Levi, Shimon Burshtein, Michal Hagin, Valentin P Matei, Delia Podea, Ioana Micluția, Alexandru Tiugan, Bogdan Păcală, Iosif Gabos Grecu, Adam Noy, Daisy Zamora, John M Davis
OBJECTIVE: Several single-center studies have found raloxifene, an estrogen agonist, to be effective in ameliorating symptoms of schizophrenia in stable patients as augmentation of antipsychotics. This multicenter study assessed whether raloxifene plus antipsychotic treatment, in comparison to placebo plus antipsychotics, improves symptoms or cognition in severely ill decompensated schizophrenia patients. METHODS: In this 16-week, double-blind, randomized, placebo-controlled study, 200 severely ill, decompensated postmenopausal women who met DSM-IV-TR criteria for schizophrenia or schizoaffective disorder were recruited from January 2011 to December 2012 and were randomized to receive either raloxifene 120 mg/d plus antipsychotics or placebo plus antipsychotics...
July 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28509122/severe-hyponatremia-in-a-patient-with-schizophrenia-associated-with-prolonged-consciousness-disturbance
#16
Kunihiko Yasuda, Takatsugu Iwashita, Yosuke Tayama, Yuko Makino, Ayumu Watanabe, Tatsuro Sano, Taisuke Shimizu, Tomonari Ogawa, Koichi Kanozawa, Hajime Hasegawa
Hyponatremia presents with various central nervous system symptoms during its course and treatment. We treated a patient who presented with a prolonged consciousness disorder and was suspected of having complications of neuroleptic malignant syndrome and osmotic demyelination syndrome (ODS) during the treatment for his hyponatremia, which was caused by syndrome of inappropriate secretion of antidiuretic hormone (SIADH). The patient was a 30-year-old Japanese man who had been under treatment for schizophrenia...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28500770/the-role-of-melatonin-in-the-neurodevelopmental-etiology-of-schizophrenia-a-study-in-human-olfactory-neuronal-precursors
#17
Tania Galván-Arrieta, Citlali Trueta, Montserrat G Cercós, Marcela Valdés-Tovar, Salvador Alarcón, Julian Oikawa, Horacio Zamudio-Meza, Gloria Benítez-King
Dim light exposure of the mother during pregnancy has been proposed as one of the environmental factors that affect the fetal brain development in schizophrenia. Melatonin circulating levels are regulated by the environmental light/dark cycle. This hormone stimulates neuronal differentiation in the adult brain. However, little is known about its role in the fetal human brain development. Olfactory neuronal precursors (ONPs) are useful for studying the physiopathology of neuropsychiatric diseases because they mimic all the stages of neurodevelopment in culture...
May 13, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28473946/fahr-s-syndrome-misdiagnosed-as-schizophrenia-a-case-report
#18
Syeda Naqvi, Samiullah Arshad, Rida Hanif, Khaled Abdelmaqsoud Hamed Elfert
Fahr's syndrome is a rare disease entity which presents with multiple neurological symptoms like movement disorder or cognitive impairment. We describe a case of a young male patient who presented with symptoms mimicking schizophrenia. He failed to improve despite medical management. He developed an episode of seizure which prompted us to make a computed tomography (CT) scan of the brain, revealing bilateral calcification of basal ganglia, despite normal serum calcium and parathyroid hormone (PTH) levels. This case experience explains the need to rule out all pathological causes of hallucinations before making a diagnosis of schizophrenia...
March 2, 2017: Curēus
https://www.readbyqxmd.com/read/28393090/gender-specific-hippocampal-whole-genome-transcriptome-data-from-mice-lacking-the-cav2-3-r-type-or-cav3-2-t-type-voltage-gated-calcium-channel
#19
Anna Papazoglou, Christina Henseler, Andreas Lundt, Carola Wormuth, Julien Soos, Karl Broich, Dan Ehninger, Marco Weiergräber
Voltage-gated Ca(2+) channels are of central relevance in mediating numerous intracellular and transcellular processes including excitation-contraction coupling, excitation secretion-coupling, hormone and neurotransmitter release and gene expression. The Cav2.3 R-type Ca(2+) channel is a high-voltage activated channel which plays a crucial role in neurotransmitter release, long-term potentiation and hormone release. Furthermore, Cav2.3 R-type channels were reported to be involved in ictogenesis, epileptogenesis, fear behavior, sleep, pre-and postsynaptic integration and rhythmicity within the hippocampus...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28353231/multiplex-immunoassay-profiling-of-serum-in-psychiatric-disorders
#20
Laurie Stephen, Emanuel Schwarz, Paul C Guest
Multiplex immunoassays allow for the rapid profiling of biomarker proteins in biological fluids, using less sample and labour than in single immunoassays. This chapter details the methods to develop and manufacture a 5-plex immunoassay for the Luminex® platform. Although assay development is not included here, the same methods can be used to covalently couple antibodies to the Luminex beads and to label antibodies for the screening of sandwich pairs, if needed. An example will be given for the analysis of five hormones (glucagon-like peptide 1, growth hormone, insulin, leptin and thyroid-stimulating hormone) in serum samples from schizophrenia patients and controls...
2017: Advances in Experimental Medicine and Biology
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