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https://www.readbyqxmd.com/read/28428639/obestatin-stimulates-glucose-induced-insulin-secretion-through-ghrelin-receptor-ghs-r
#1
Geetali Pradhan, Chia-Shan Wu, Jong Han Lee, Preeti Kanikarla, Shaodong Guo, Vijay K Yechoor, Susan L Samson, Yuxiang Sun
Orexigenic hormone ghrelin and anorexic hormone obestatin are encoded by the same preproghrelin gene. While it is known that ghrelin inhibits glucose-stimulated insulin secretion (GSIS), the effect of obestatin on GSIS is unclear. Ghrelin's effect is mediated by its receptor Growth Hormone Secretagogue Receptor (GHS-R), but the physiologically relevant receptor of obestatin remains debatable. Here we have investigated the effect of obestatin on GSIS in vitro, in vivo and ex vivo, and tested whether obestatin regulates insulin secretion through GHS-R...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424379/-risk-factors-of-eating-disorders-in-the-narratives-of-fashion-models
#2
Nikolett Bogár, Ferenc Túry
INTRODUCTION: The risk of eating disorders is high in populations who are exposed to slimness ideal, so among fashion models. The present qualitative study evaluates the risk factors of eating disorders in a group of fashion models with semistructured interview. Moreover, the aim of the study was to examine the impact of professional requirements on the health of models. METHODS: The study group was internationally heterogeneous. The models were involved by personal professional relationship...
2017: Psychiatria Hungarica: A Magyar Pszichiátriai Társaság Tudományos Folyóirata
https://www.readbyqxmd.com/read/28413180/role-of-hormone-sensitive-lipase-in-leptin-promoted-fat-loss-and-glucose-lowering
#3
Mikio Takanashi, Yoshino Taira, Sachiko Okazaki, Satoru Takase, Takeshi Kimura, Cheng Cheng Li, Peng Fei Xu, Akari Noda, Ichiro Sakata, Hidetoshi Kumagai, Yuichi Ikeda, Yoko Iizuka, Naoya Yahagi, Hitoshi Shimano, Jun-Ichi Osuga, Shun Ishibashi, Takashi Kadowaki, Hiroaki Okazaki
AIM: Myriad biological effects of leptin may lead to broad therapeutic applications for various metabolic diseases, including diabetes and its complications; however, in contrast to its anorexic effect, the molecular mechanisms underlying adipopenic and glucose-lowering effects of leptin have not been fully understood. Here we aim to clarify the role of hormone-sensitive lipase (HSL) in leptin's action. METHODS: Wild-type (WT) and HSL-deficient (HSLKO) mice were made hyperleptinemic by two commonly-used methods: adenovirus-mediated overexpression of leptin and continuous subcutaneous infusion of leptin by osmotic pumps...
April 12, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28407568/the-relation-between-anorexic-symptoms-in-women-and-their-reports-of-trustworthiness-in-interactions-with-close-persons
#4
Ken J Rotenberg, Kelley Edwards
The study examined the relation between women's anorexic symptoms and their reports of trustworthiness in interactions with close persons. Ninety-eight females (mean age=24years-10months) completed the anorexic symptom subscale of the SEDS and reported (ascribed) the extent to which they showed reliability, emotional, and honesty trustworthiness behaviors in interactions with their mother, father, and close friend. Negative linear relations were found between anorexic symptoms and ascribed: (a) trustworthiness with close friends; (b) reliability trustworthiness; and (c) at a trend level, honesty trustworthiness...
March 31, 2017: Eating Behaviors
https://www.readbyqxmd.com/read/28379218/further-pharmacological-characterization-of-eltoprazine-focus-on-its-anxiolytic-anorexic-and-adverse%C3%A2-effect-potential
#5
Andreas Gravius, Andrzej Dekundy, Anita Vanaga, Lutz Franke, Wojciech Danysz
Eltoprazine, a drug that had previously been developed for aggression, has recently been investigated for L-DOPA-induced dyskinesia in animal models of Parkinson´s disease (PD) and in dyskinetic PD patients. Much less is known about effects of eltoprazine in other therapeutic indications. Indeed, the pharmacological profile of eltoprazine might suggest its effects on anxiety and food intake, but also adverse effect potential, which is the focus of the present study. Given for 2 weeks either as infusion or as twice-daily treatment, eltoprazine produced a decrease in food intake and body weight at doses leading to 200-500 nM plasma concentrations...
2017: Acta Neurobiologiae Experimentalis
https://www.readbyqxmd.com/read/28324785/-ub006-a-new-fatty-acid-synthase-inhibitor-and-cytotoxic-agent-without-anorexic-side-effects
#6
Kamil Makowski, Joan Francesc Mir, Paula Mera, Xavier Ariza, Guillermina Asins, Fausto G Hegardt, Laura Herrero, Jordi García, Dolors Serra
C75 is a synthetic anticancer drug that inhibits fatty acid synthase (FAS) and shows a potent anorexigenic side effect. In order to find new cytotoxic compounds that do not impact food intake, we synthesized a new family of C75 derivatives. The most promising anticancer compound among them was UB006 ((4SR,5SR)-4-(hydroxymethyl)-3-methylene-5-octyldihydrofuran-2(3H)-one). The effects of this compound on cytotoxicity, food intake and body weight were studied in UB006 racemic mixture and in both its enantiomers separately...
March 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28298497/anorexia-nervosa-and-bone-densitometry
#7
Havilah Adkins
Anorexia nervosa is a psychological disorder with extensive physical complications that require care and monitoring from a diverse team of health care professionals. Although it can affect people of various ages and both sexes, anorexia most frequently occurs in adolescent girls during a crucial period of skeletal development. This article presents an overview of anorexia nervosa, followed by focused discussions of its effects on bone development, treatment of bone loss, and the radiologic technologist's role in caring for anorexic patients...
March 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28294987/sensory-neuronopathy-revealing-severe-vitamin-b12-deficiency-in-a-patient-with-anorexia-nervosa-an-often-forgotten-reversible-cause
#8
Jérôme Franques, Laurent Chiche, Stéphane Mathis
Vitamin B12 (B12) deficiency is known to be associated with various neurological manifestations. Although central manifestations such as dementia or subacute combined degeneration are the most classic, neurological manifestations also include sensory neuropathies. However, B12 deficiency is still rarely integrated as a potential cause of sensory neuronopathy. Moreover, as many medical conditions can falsely normalize serum B12 levels even in the context of a real B12 deficiency, some cases may easily remain underdiagnosed...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28293285/body-image-drawings-dissociate-ethnic-differences-and-anorexia-in-adolescent-girls
#9
Galit Goldzak-Kunik, Micah Leshem
OBJECTIVES: To distinguish between ethnic differences among segregated schoolgirls and restrictive anorexia nervosa using a simple culture-fair test of body image (BI) figure drawings. METHODS: Several responses to BI figure drawings by 178 adolescent schoolgirls from three ethnically distinct and segregated schools and communities in Israel, Jewish secular (JS), Jewish Haredi (H), and Christian Arab (C), and a group of 14 severely restricting anorexic girls (AN)...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/28292761/optimization-of-tolerability-and-efficacy-of-dual-amylin-and-calcitonin-receptor-agonist-kbp-089-through-dose-escalation-and-combination-with-a-glp-1-analogue
#10
Sofie Gydesen, Kim Vietz Andreassen, Sara Toftegaard Hjuler, Lars I Hellgren, Morten Asser Karsdal, Kim Henriksen
Amylin and GLP-1 agonism induce a well-known anorexic effect at dose initiation, which is managed by dose escalation. In this study, we investigated how to optimize tolerability, while maintaining efficacy of KBP-089. Furthermore, we tested the GLP-1 add-on potential of KBP-089 in HFD rats. KBP-089 potently activated both the amylin and calcitonin receptors in vitro, demonstrated a prolonged receptor activation, and potently reduced acute food intake. HFD rats dosed every or every second day obtained equal weight loss at study end, albeit with an uneven reduction in both food intake and bodyweight in rats dosed every second day...
March 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28285245/a-disconnection-between-nutritional-status-in-terms-of-body-mass-index-and-phase-angle-and-psychopathology-in-anorexia-nervosa
#11
Fortunato Federico, Demartini Benedetta, Maffoni Claudia, Apicella Emanuela, Leonardi Valentina, Mendolicchio Leonardo
The aim of our study was to investigate the relationship between nutritional status (body mass index and phase angle) and psychological symptoms at admission and discharge in a residential population of anorexic patients. We also aimed to determine the evolution of the above psychological symptoms and nutrition rehabilitation from admission to discharge. Thirty-six consecutive patients were included. The evaluation was performed using the following measures at admission and discharge: body mass index, phase angle, Eating Disorders Inventory-3, Multiphasic Personality Inventory-2 and Body Uneasiness...
February 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28284109/distorted-body-representations-in-anorexia-nervosa
#12
REVIEW
Stephen Gadsby
In this paper, I discuss empirical evidence regarding anorexic patients' distorted body representations. I fit this evidence into a broader framework for understanding how the spatial content of the body is tracked and represented. This framework is motivated by O'Shaughnessy's (1980) long-term body image hypothesis. This hypothesis posits a representation that tracks changes in the spatial content of the body and supplies this content to other body representations. I argue that a similar kind of body representation might exist and, in the case of anorexia, be distorted...
March 8, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28260238/perception-of-peripersonal-and-interpersonal-space-in-patients-with-restrictive-type-anorexia
#13
Jean-Louis Nandrino, Claire Ducro, Tina Iachini, Yann Coello
This study examines whether the perception of peripersonal action-space and interpersonal social-space is modified in patients with restrictive-type anorexia in two experimental conditions using videos. First, participants stopped the video of an approaching stimulus when they felt the distance to be comfortable for interacting with it (first-person perspective). Second, participants stopped the video when an observed individual approaching a stimulus, or being approached by it, was at a comfortable distance (third-person perspective)...
March 5, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28259036/intrapersonal-interpersonal-and-physical-space-in-anorexia-nervosa-a-virtual-reality-and-repertory-grid-investigation
#14
Sabrina Cipolletta, Clelia Malighetti, Silvia Serino, Giuseppe Riva, David Winter
Anorexia nervosa (AN) is an eating disorder characterized by severe body image disturbances. Recent studies from spatial cognition showed a connection between the experience of body and of space. The objectives of this study were to explore the meanings that characterize AN experience and to deepen the examination of spatiality in relational terms, through the study of how the patient construes herself and her interpersonal world. More specifically this study aimed (1) to verify whether spatial variables and aspects of construing differentiate patients with AN and healthy controls (HCs) and are related to severity of anorexic symptomatology; (2) to explore correlations between impairments in spatial abilities and interpersonal construing...
February 28, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28228474/changes-in-ambient-temperature-elicit-divergent-control-of-metabolic-and-cardiovascular-actions-by-leptin
#15
Jussara M do Carmo, Alexandre A da Silva, Damian G Romero, John E Hall
Interactions of hypothalamic signaling pathways that control body temperature (BT), blood pressure (BP), and energy balance are poorly understood. We investigated whether the chronic BP and metabolic actions of leptin are differentially modulated by changes in ambient temperature (TA ). Mean arterial pressure (MAP), heart rate (HR), BT, motor activity (MA), and oxygen consumption (Vo2) were measured 24 h/d at normal laboratory TA (23°C), at thermoneutral zone (TNZ, 30°C) for mice or during cold exposure (15°C) in male wild-type mice...
February 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28162848/altered-functionality-of-the-corticotrophin-releasing-hormone-receptor-2-in-the-hypothalamic-paraventricular-nucleus-of-hyperphagic-maternally-separated-rats
#16
V Alcántara-Alonso, M I Amaya, G Matamoros-Trejo, P de Gortari
Early-life stress induces endocrine and metabolic alterations that increase food intake and overweight in adulthood. The stress response activates the corticotropin-releasing hormone (CRH) and urocortins' (Ucns) system in the hypothalamic paraventricular nucleus (PVN). These peptides induce anorexic effects through CRH-R2 receptor activation; however, chronic stressed animals develop hyperphagia despite of high PVN CRH expression. We analyzed this paradoxical behavior in adult rats subjected to maternal separation (MS) for 180min/daily during post-natal days 2-14, evaluating their body weight gain, food intake, serum corticosterone and vasopressin concentrations, PVN mRNA expression of CRH-R1, CRH-R2, CRH, Ucn2, Ucn3, vasopressin and CRH-R2 protein levels...
February 1, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28159059/the-association-between-anorexia-of-aging-and-physical-frailty-results-from-the-national-center-for-geriatrics-and-gerontology-s-study-of-geriatric-syndromes
#17
Kota Tsutsumimoto, Takehiko Doi, Hyuma Makizako, Ryo Hotta, Sho Nakakubo, Keitaro Makino, Takao Suzuki, Hiroyuki Shimada
OBJECTIVES: The present study examined the association between anorexia of aging and physical frailty among older people. STUDY DESIGN: An observational, cross-sectional cohort design was used with a sample of 4417 elderly Japanese citizens living in a community setting. MAIN OUTCOME MEASURES: Frailty was operationalized as the following frailty components: slowness, weakness, exhaustion, low level of physical activity, and weight loss. Participants were grouped as non-frail, pre-frail, and frail, and categorized as anorexic or not using questionnaire cutoff scores...
March 2017: Maturitas
https://www.readbyqxmd.com/read/28133071/-primary-malignant-melanoma-of-the-gallbladder
#18
Daisuke Ujiie, Kotaro Miyamoto, Hisashi Onozawa, Nobuhiro Hoshi, Koichi Nakayama, Kojiro Urazumi, Seiichi Takenoshita, Takashi Kusakabe
Primary malignant melanoma of the gallbladder is a rare disease, and 37 cases have been reported in the literature.The current patient was a 78-year-old man who was admitted with a pelvic tumor and left leg edema due to compression of the external iliac vein by the pelvic tumor.The edema improved following resection of the tumor, which was diagnosed at pathology as a malignant melanoma.After surgery, the patient became anorexic and complained of discomfort in the upper right abdomen.A whole body FDG-PET scan demonstrated significant uptake in the gallbladder and in the lymph nodes of the lower abdomen...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28104434/effects-of-human-opiorphin-on-food-intake-and-water-intake-in-mice-following-central-administration
#19
Yong Chen, Xiao-Zhu Tian, Lu Bai, Ze-Qi Liu, Xing-Peng Xiao, Pu Liu, Xiang-Kai Li
Human opiorphin plays an important pharmacological functions in rats or mice. The present study was performed to investigate effects and underlying mechanism of central injected opiorphin on food intake and water intake in mice. Intracerebroventricularly (i.c.v.) administered opiorphin (5-20μg/kg) dose-dependently suppressed food intake in fasted mice, but had no influence on food intake in freely feeding mice. The cumulative food intake was significantly decreased at 60min after injection of 10 and 20μg/kg opiorphin and the food intake was significantly reduced during the 20-60min period after treatment...
January 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28093305/role-of-leptin-in-conditioned-place-preference-to-high-fat-diet-in-leptin-deficient-ob-ob-mice
#20
Yoshiyuki Shimizu, Cheol Son, Daisuke Aotani, Hidenari Nomura, Takatoshi Hikida, Kiminori Hosoda, Kazuwa Nakao
Leptin is an adipocyte-derived anorexic hormone that exerts its effects via the hypothalamus and other brain regions, including the reward system. Leptin-deficient ob/ob mice that present morbid obesity, hyperphagia, insulin resistance, and infertility are one of the most investigated mouse models of obesity. Conditioned place preference (CPP) paradigm is a standard behavioral model to evaluate the rewarding value of substrates. While leptin is reported to decrease the CPP of lean mice for high fat diet (HFD), it is unknown how CPP toward HFD is affected by leptin replacement in the pathophysiological condition of ob/ob mice...
January 14, 2017: Neuroscience Letters
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