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https://www.readbyqxmd.com/read/28100688/the-use-of-oxytocin-to-improve-feeding-and-social-skills-in-infants-with-prader-willi-syndrome
#1
Maïthé Tauber, Kader Boulanouar, Gwenaelle Diene, Sophie Çabal-Berthoumieu, Virginie Ehlinger, Pascale Fichaux-Bourin, Catherine Molinas, Sandy Faye, Marion Valette, Jeanne Pourrinet, Catie Cessans, Sylvie Viaux-Sauvelon, Céline Bascoul, Antoine Guedeney, Patric Delhanty, Vincent Geenen, Henri Martens, Françoise Muscatelli, David Cohen, Angèle Consoli, Pierre Payoux, Catherine Arnaud, Jean-Pierre Salles
BACKGROUND AND OBJECTIVES: Patients with Prader-Willi syndrome (PWS) display poor feeding and social skills as infants and fewer hypothalamic oxytocin (OXT)-producing neurons were documented in adults. Animal data demonstrated that early treatment with OXT restores sucking after birth. Our aim is to reproduce these data in infants with PWS. METHODS: We conducted a phase 2 escalating dose study of a short course (7 days) of intranasal OXT administration. We enrolled 18 infants with PWS under 6 months old (6 infants in each step) who received 4 IU of OXT either every other day, daily, or twice daily...
January 18, 2017: Pediatrics
https://www.readbyqxmd.com/read/28094877/hypothalamus-specific-re-introduction-of-snord116-into-otherwise-snord116-deficient-mice-increased-energy-expenditure
#2
Y Qi, L Purtell, M Fu, L Zhang, S Zolotukhin, L Campbell, H Herzog
The Snord116 gene cluster has been recognized as a critical contributor to the Prader-Willi Syndrome (PWS) with mice lacking Snord116 displaying many classical PWS phenotypes including low postnatal body weight, reduced bone mass and increased food intake. However, these mice do not develop obesity due to increased energy expenditure. To understand the physiological function of Snord116 better and potentially rescue the altered metabolism of Snord116(-/-) mice, we used an adeno-associated viral (AAV) approach to reintroduce the Snord116 gene product into the hypothalamus in Snord116(-/-) mice at different ages...
January 17, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/28094169/a-12-week-randomized-controlled-trial-of-twice-daily-intranasal-oxytocin-for-social-cognitive-deficits-in-people-with-schizophrenia
#3
L Fredrik Jarskog, Cort A Pedersen, Jacqueline L Johnson, Robert M Hamer, Shane W Rau, Tonya Elliott, David L Penn
Social cognition is impaired in people with schizophrenia and these deficits are strongly correlated with social functioning. Oxytocin is a hypothalamic peptide that contributes to maternal infant bonding and has diverse pro-social effects in adults. This study tested the hypothesis that 12weeks of intranasal oxytocin will improve social cognitive function in outpatients with schizophrenia and schizoaffective disorder. Sixty-eight eligible participants were randomized to oxytocin (24IU twice daily) or placebo...
January 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28086774/androgenic-effects-of-aqueous-and-methanolic-extracts-of-ficus-asperifolia-in-male-wistar-rats
#4
Pierre Watcho, Hermine Meli Watio, Modeste Wankeu-Nya, Esther Ngadjui, Patrick Deeh Defo, Pepin Alango Nkeng-Efouet, Telesphore Benoit Nguelefack, Albert Kamanyi
BACKGROUND: Androgen deficiency is a clinical syndrome resulting from the inability of the testes to produce physiological levels of testosterone due to a disturbance occurring at one or more levels of the hypothalamic-pituitary-testicular axis. The present study was undertaken to evaluate the androgenic properties of aqueous and methanolic extracts of Ficus asperifolia on normal and castrated immature rats. METHODS: Normal rats were treated either per os with aqueous or methanolic extract of Ficus asperifolia (100 mg/kg or 500 mg/kg b...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28065687/restless-legs-syndrome-and-cardiovascular-disease-a-research-roadmap
#5
REVIEW
Daniel J Gottlieb, Virend K Somers, Naresh M Punjabi, John W Winkelman
In this paper, we first critically appraise the epidemiologic literature examining the association of restless legs syndrome (RLS) with cardiovascular disease (CVD) and then consider whether lessons learned from the study of cardiovascular consequences of other sleep disorders might inform a research agenda to examine the potential mechanisms of cardiovascular morbidity of RLS. Cross-sectional and longitudinal studies are both mixed as to whether there is a meaningful association of RLS and CVD. On the other hand, numerous cross-sectional and longitudinal observational studies have shown a strong association of obstructive sleep apnea (OSA) with CVD risk...
October 27, 2016: Sleep Medicine
https://www.readbyqxmd.com/read/28061975/the-place-of-stress-and-emotions-in-the-irritable-bowel-syndrome
#6
S Pellissier, B Bonaz
Our emotional state can have many consequences on our somatic health and well-being. Negative emotions such as anxiety play a major role in gut functioning due to the bidirectional communications between gut and brain, namely, the brain-gut axis. The irritable bowel syndrome (IBS), characterized by an unusual visceral hypersensitivity, is the most common disorder encountered by gastroenterologists. Among the main symptoms, the presence of current or recurrent abdominal pain or discomfort associated with bloating and altered bowel habits characterizes this syndrome that could strongly alter the quality of life...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28058714/a-phytotherapic-approach-to-reduce-sperm-dna-fragmentation-in-patients-with-male-infertility
#7
Marco Capece, Giuseppe Romeo, Antonio Ruffo, Leo Romis, Salvatore Mordente, Giovanni Di Lauro
INTRODUCTION: Infertility affects 50 to 80 million (between 8 and 12% of couples). Male factor is a cause of infertility in almost half of the cases, mainly due to oligoasthenoteratozoospermia. DNA fragmentation is now considered an important factor in the aetiology of male infertility. We studied the effects on semen analysis and on DNA fragmentation of in vivo admnistration of Myo-Inositol and Tribulus Terrestris plus Alga Ecklonia plus Biovis (Tradafertil; Tradapharma Sagl, Swizerland) in men with previously diagnosed male infertility...
December 28, 2016: Urologia
https://www.readbyqxmd.com/read/28053584/effect-of-cynomorium-total-flavone-on-depression-model-of-perimenopausal-rat
#8
Mingsan Miao, Xiaoli Yan, Lin Guo, Pengfei Li
PURPOSE: To observe the effect of cynomorium total flavone on the depression model of perimenopausal rat and to analyze the action characteristics of cynomorium total flavone on depression of rat with perimenopausal syndrome. METHOD: Duplicate the model of rat with perimenopausal depression based on the combined method of incomplete castration and chronic stimulation, and keep drug administration for 35d. And then measure related behavior indicators and the change of biochemical index level in serum and brains; measure the estrogen/androgen receptor (ER/AR) in related tissues and the ERmRNA expression in hypothalamus...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28050466/a-rare-case-of-ovarian-hyperstimulation-syndrome-in-a-preterm-infant
#9
Asieh Mosallanejad, Shahrzad Tabatabai, Marjan Shakiba, Mohammad Reza Alaei, Hedieh Saneifard
Ovarian hyperstimulation syndrome is a rare disease among preterm infants. This syndrome was first described in 1985 in four infants with a gestational age of <30 weeks. Several explanations for this syndrome have been suggested namely the immaturity of Hypothalamic-Pituitary-Gonadal (HPG) axis, lack of negative feedback, increased sensitivity of Follicle Stimulating Hormone (FSH) receptors due to mutation and high level of estradiol. In this report, a case of hyperstimulation syndrome in a newborn with gestational age of 30 weeks is presented and the probable mechanisms in the literature are discussed...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045396/hypothalamic-inflammation-in-obesity-and-metabolic-disease
#10
Alexander Jais, Jens C Brüning
Over the last years, hypothalamic inflammation has been linked to the development and progression of obesity and its sequelae. There is accumulating evidence that this inflammation not only impairs energy balance but also contributes to obesity-associated insulin resistance. Elevated activation of key inflammatory mediators such as JNK and IκB kinase (IKK) occurs rapidly upon consumption of a high-fat diet, even prior to significant weight gain. This activation of hypothalamic inflammatory pathways results in the uncoupling of caloric intake and energy expenditure, fostering overeating and further weight gain...
January 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28035585/effect-of-exercise-on-ovulation-a-systematic-review
#11
REVIEW
Osnat Hakimi, Luiz-Claudio Cameron
BACKGROUND: Infertility has been described as a devastating life crisis for couples, and has a particularly severe effect on women, in terms of anxiety and depression. Anovulation accounts for around 30% of female infertility, and while lifestyle factors such as physical activity are known to be important, the relationship between exercise and ovulation is multi-factorial and complex, and to date there are no clear recommendations concerning exercise regimes. OBJECTIVES: The objective of this review was to systematically assess the effect of physical activity on ovulation and to discuss the possible mechanisms by which exercise acts to modulate ovulation in reproductive-age women...
December 29, 2016: Sports Medicine
https://www.readbyqxmd.com/read/28029028/the-recovery-of-hypothalamic-pituitary-adrenal-axis-is-rapid-in-subclinical-cushing-syndrome
#12
Hee Kyung Kim, Jee Hee Yoon, Yun Ah Jeong, Ho Cheol Kang
BACKGROUND: In subclinical Cushing syndrome (SC), it is assumed that glucocorticoid production is insufficient to cause a clinically recognizable syndrome. Differences in hormonal levels or recovery time of the hypothalamic-pituitary-adrenocortical (HPA) axis after adrenalectomy between patients with overt Cushing syndrome (OC) and SC remain unknown. METHODS: Thirty-six patients (10 with OC and 26 with SC) with adrenal Cushing syndrome who underwent adrenalectomy from 2004 to 2014 were reviewed retrospectively...
December 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28027925/impact-of-prebiotics-on-metabolic-and-behavioral-alterations-in-a-mouse-model-of-metabolic-syndrome
#13
Lourdes Fernández de Cossío, Célia Fourrier, Julie Sauvant, Amandine Everard, Lucile Capuron, Patrice D Cani, Sophie Layé, Nathalie Castanon
Mounting evidence shows that the gut microbiota, an important player within the gut-brain communication axis, can affect metabolism, inflammation, brain function and behavior. Interestingly, gut microbiota composition is known to be altered in patients with metabolic syndrome (MetS), who also often display neuropsychiatric symptoms. The use of prebiotics, which beneficially alters the microbiota, may therefore be a promising way to potentially improve physical and mental health in MetS patients. This hypothesis was tested in a mouse model of MetS, namely the obese and type-2 diabetic db/db mice, which display emotional and cognitive alterations associated with changes in gut microbiota composition and hippocampal inflammation compared to their lean db/+ littermates...
December 24, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28013434/the-effect-of-local-injection-of-methylprednisolone-acetate-on-the-hypothalamic-pituitary-adrenal-axis-among-patients-with-greater-trochanteric-pain-syndrome
#14
George Habib, Shada Elias, Muhanned Abu-Elhaija, Fahed Sakas, Fadi Khazin, Suheil Artul, Adel Jabbour, Haneen Jabaly-Habib
Greater trochanteric pain syndrome (GTPS) is a common clinical entity for which the most effective treatment is local corticosteroid injection (LCI). There are no studies on the effect of LCI among patients with GTPS on the hypothalamic-pituitary-adrenal axis. The present study recruited nonselected patients diagnosed with GTPS. After consenting, participants received low dose (1 μg) of adrenocorticotropin hormone (ACTH) stimulation test at 09:00. Immediately following the test, participants received a LCI of 80 mg of methylprednisolone acetate at the greater trochanteric region...
December 24, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/28011002/anthony-sclafani-consummate-scientist
#15
Joseph R Vasselli, Gerard P Smith
In this article we review the scientific contributions of Anthony Sclafani, with specific emphasis on his early work on the neural substrate of the ventromedial hypothalamic (VMH) hyperphagia-obesity syndrome, and on the development of diet-induced obesity (DIO). Over a period of 20 years Sclafani systematically investigated the neuroanatomical basis of the VMH hyperphagia-obesity syndrome, and ultimately identified a longitudinal oxytocin-containing neural tract contributing to its expression. This tract has since been implicated in mediating the effects of at least two gastrointestinal satiety factors...
December 20, 2016: Appetite
https://www.readbyqxmd.com/read/28004416/changeability-of-the-fully-methylated-status-of-the-15q11-2-region-in-induced-pluripotent-stem-cells-derived-from-a-patient-with-prader-willi-syndrome
#16
Hironobu Okuno, Kazuhiko Nakabayashi, Kousei Abe, Takayuki Ando, Tsukasa Sanosaka, Jun Kohyama, Wado Akamatsu, Manabu Ohyama, Takao Takahashi, Kenjiro Kosaki, Hideyuki Okano
Prader-Will syndrome (PWS) is characterized by hyperphagia, growth hormone deficiency and central hypogonadism caused by the dysfunction of the hypothalamus. Patients with PWS present with methylation abnormalities of the PWS-imprinting control region in chromosome 15q11.2, subject to parent-of-origin-specific methylation and controlling the parent-of-origin-specific expression of other paternally expressed genes flanking the region. In theory, the reversal of hypermethylation in the hypothalamic cells could be a promising strategy for the treatment of PWS patients, since cardinal symptoms of PWS patients are correlated with dysfunction of the hypothalamus...
December 21, 2016: Congenital Anomalies
https://www.readbyqxmd.com/read/27999413/neuroprotection-via-reduction-in-stress-altered-menstrual-patterns-as-a-marker-for-stress-and-implications-for-long-term-neurologic-health-in-women
#17
REVIEW
David Prokai, Sarah L Berga
Individuals under chronic psychological stress can be difficult to identify clinically. There is often no outwardly visible phenotype. Chronic stress of sufficient magnitude not only impacts reproductive function, but also concomitantly elicits a constellation of neuroendocrine changes that may accelerate aging in general and brain aging in particular. Functional hypothalamic amenorrhea, a phenotypically recognizable form of stress, is due to stress-induced suppression of endogenous gonadotropin-releasing hormone secretion...
December 20, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27988272/the-impact-of-postnatal-leuprolide-acetate-treatment-on-reproductive-characteristics-in-a-rodent-model-of-polycystic-ovary-syndrome
#18
Lady Katerine Serrano Mujica, Kalyne Bertolin, Alessandra Bridi, Werner Giehl Glanzner, Vitor Braga Rissi, Flávia de Los Santos de Camargo, Renato Zanella, Osmar Damian Prestes, Rafael Noal Moresco, Alfredo Quites Antoniazzi, Paulo Bayard Dias Gonçalves, Melissa Orlandin Premaor, Fabio Vasconcellos Comim
In this study, a GnRH agonist, leuprolide acetate (LA), was given as a single depot injection before 48 h of life to Wistar female rats allotted to prenatal (E16-18) and postnatal androgenization (day 5 of life) by the use of testosterone propionate, looking for reproductive endpoints. Remarkably, a single injection of LA increased the estrus cycles in the postnatal group (PostN) from 0% to 25% of the estrus cycles in the postnatal LA treated group (PostN L). LA also reduced the serum testosterone levels and cysts and atretic follicles in PostN L in contrast with rats (>100 days) from the PostN group (p = 0...
December 14, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27982500/growth-hormone-igf-1-axis-longitudinal-evaluation-in-clinically-isolated-syndrome-patients-on-interferon-%C3%AE-1b-therapy-stimulation-tests-and-correlations-with-clinical-and-radiological-conversion-to-multiple-sclerosis
#19
R Lanzillo, C Di Somma, M Quarantelli, A Carotenuto, C Pivonello, M Moccia, A Cianflone, A Marsili, G Puorro, F Saccà, C V Russo, C De Luca Picione, F Ausiello, A Colao, V Brescia Morra
BACKGROUND AND PURPOSE: Growth hormone (GH)/insulin-like growth factor 1 (IGF-1) axis abnormalities in multiple sclerosis (MS) suggest their role in its pathogenesis. Interferon β (IFN-β) efficacy could be mediated also by an increase of IGF-1 levels. A 2-year longitudinal study was performed to estimate the prevalence of GH and/or IGF-1 deficiency in clinically isolated syndrome (CIS) patients and their correlation with conversion to MS in IFN treated patients. METHODS: Clinical and demographic features of CIS patients were collected before the start of IFN-β-1b...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27982202/a-boy-with-prader-willi-syndrome-unmasking-precocious-puberty-during-growth-hormone-replacement-therapy
#20
Natasha G Ludwig, Rafael F Radaeli, Mariana M X Silva, Camila M Romero, Alexandre J F Carrilho, Danielle Bessa, Delanie B Macedo, Maria L Oliveira, Ana Claudia Latronico, Tânia L Mazzuco
Prader-Willi syndrome (PWS) is a genetic disorder frequently characterized by obesity, growth hormone deficiency, genital abnormalities, and hypogonadotropic hypogonadism. Incomplete or delayed pubertal development as well as premature adrenarche are usually found in PWS, whereas central precocious puberty (CPP) is very rare. This study aimed to report the clinical and biochemical follow-up of a PWS boy with CPP and to discuss the management of pubertal growth. By the age of 6, he had obesity, short stature, and many clinical criteria of PWS diagnosis, which was confirmed by DNA methylation test...
November 2016: Archives of Endocrinology and Metabolism
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