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appetite control

Rika Fukumori, Yoji Masuda, Ayaka Takeuchi, Rina Yanai, Khurchabiling Atchalalt, Borjigin Sarentonglaga, Kazuko Ogata, Mio Yamaguchi, Asuka Hara, Akane Sato, Toshihisa Sugino, Yoshikazu Nagao
The aim of this study was to investigate how intra-duodenal infusions of fatty acids (FA) affect appetite-related gut peptides such as glucagon-like peptide-1 (GLP-1) and ghrelin in sheep. We hypothesized that these peptides can be highly reactive to unsaturated long-chain FA, because they are well known to decrease DMI. Four ewes were fitted with a duodenal cannula and a jugular vein catheter for a 6-h duodenal infusion of the nine FA (C8:0, C10:0, C12:0, C14:0, C16:0, C18:0, C18:1, C18:2, C18:3) and water (control)...
March 14, 2018: Journal of Animal Science
Sudha S Shankar, R Ravi Shankar, Lori A Mixson, Deborah L Miller, Barnali Pramanik, Amy K O'Dowd, Donna M Williams, Clay B Frederick, Chan R Beals, S Aubrey Stoch, Helmut O Steinberg, David E Kelley
Oxyntomodulin (OXM), an enteroendocrine hormone, causes appetite suppression, increased energy expenditure, and weight loss in obese humans via activation of GLP-1 and glucagon receptors. However, the effects of OXM on glucose homeostasis remain ill-defined. To address this gap, we evaluated the effects of an intravenous (IV) infusion of native OXM on insulin secretory rates (ISR) and glycemic excursion in a graded glucose infusion (GGI) procedure in two separate randomized, placebo-controlled, single dose crossover trials in 12 overweight and obese subjects without diabetes, and in 12 obese subjects with Type 2 diabetes (T2DM) respectively, using the GLP-1 analog, liraglutide as a comparator in the T2DM...
March 15, 2018: Diabetes
Francesco Plotti, Corrado Terranova, Stella Capriglione, Stefania Crispino, Alessandra Li Pomi, Carlo de Cicco Nardone, Roberto Montera, Pierluigi Benedetti Panici, Roberto Angioli, Giuseppe Scaletta
AIMS: The aim of this study was to evaluate long-term quality of life and urinary and sexual function in long-term cervical cancer survivors previously treated with radical hysterectomy (RH) type C2/type III. METHODS: All patients who presented at Campus Bio-Medico of Rome for RH type C2/type III for cervical cancer were considered eligible for this retrospective study protocol. We included exclusively patients with complete response to primary treatment with at least 36 months of follow up...
March 14, 2018: International Journal of Gynecological Cancer
Emma D Spikol, Eric Glasgow
Transcriptional control of oxytocinergic cell development influences social, sexual, and appetite related behaviors, and is implicated in disorders such as autism and Prader-Willi syndrome. Mediator 12 (Med12) is a transcriptional coactivator required for multiple facets of brain development including subsets of serotonergic and dopaminergic neurons. We surveyed hormone gene expression within the hypothalamo-pituitary axis of med12 mutant zebrafish embryos with a focus on oxytocin ( oxt ) expression. Some transcripts, such as oxt , vasopressin ( avp ) and corticotrophin releasing hormone ( crh ) are undetectable in the med12 mutant, while others are upregulated or downregulated to varying degrees...
March 12, 2018: Biology Open
Khadega A Abuelgasim, Yousef Alsharhan, Tariq Alenzi, Abdulaziz Alhazzani, Yosra Z Ali, Abdul Rahman Jazieh
BACKGROUND: A significant proportion of cancer patients use complementary and alternative medicine (CAM) along with conventional therapies (CT), whereas a smaller proportion delay or defer CT in favor of CAM. Previous studies exploring CAM use among cancer patients in the Middle East region have shown discrepant results. This study investigates the prevalence and pattern of CAM use by Saudi cancer patients. It also discusses the possible benefits and harm related to CAM use by cancer patients, and it explores the beliefs patients hold and their transparency with health care providers regarding their CAM use...
March 12, 2018: BMC Complementary and Alternative Medicine
Kimberly R Warren, Heidi J Wehring, Fang Liu, Robert P McMahon, Shuo Chen, Charlene Chester, Deanna L Kelly
Overweight and obesity in schizophrenia are prevalent, affecting half to three-quarters of people with schizophrenia. Hyperphagia and increased meal size have also been implicated as significant contributors to the weight gain problem. Oxytocin has shown to play a role in appetite control in humans and is considered an anorexigenic peptide. This two-day, within-subjects, challenge study involved the examination of satiety after administration of 24 IU oxytocin (intranasal) vs. placebo in participants with a DSM-IV diagnosis of schizophrenia (N = 16)...
March 7, 2018: Physiology & Behavior
Harpreet Singh, Amanda J Walker, Laleh Amiri-Kordestani, Joyce Cheng, Shenghui Tang, Pamela Balcazar, Kimberly Barnett-Ringgold, Todd R Palmby, Xianhua Cao, Nan Zheng, Qi Liu, Jingyu Yu, William F Pierce, Selena R Daniels, Rajeshwari Sridhara, Amna Ibrahim, Paul G Kluetz, Gideon M Blumenthal, Julia A Beaver, Richard Pazdur
On July 17, 2017, the Food and Drug Administration (FDA) approved neratinib (NERLYNX, Puma Biotechnology, Inc) for the extended adjuvant treatment of adult patients with early-stage HER2-overexpressed/amplified breast cancer, to follow adjuvant trastuzumab-based therapy. Approval was based on data from ExteNET, a randomized, double-blind, placebo-controlled multicenter trial. Women with early-stage HER2-positive breast cancer and within two years of completing adjuvant trastuzumab were randomized to neratinib (n=1420) or placebo (n=1420) for one year...
March 9, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Jonathan P Fadok, Milica Markovic, Philip Tovote, Andreas Lüthi
The central nucleus of the amygdala (CEA) is a striatum-like structure orchestrating a diverse set of adaptive behaviors, including defensive and appetitive responses [1-3]. Studies using anatomical, electrophysiological, imaging and optogenetic approaches revealed that the CEA network consists of recurrent inhibitory circuits comprised of precisely connected functionally and genetically defined cell types that can select and control specific behavioral outputs [3,4,5• ,6• ,7-9,11,12]. While bivalent functionality of the CEA in adaptive behavior has been clearly demonstrated, we are just beginning to understand to which degree individual CEA circuit elements are functionally segregated or overlapping...
March 6, 2018: Current Opinion in Neurobiology
Maryam Razzaghy-Azar, Mitra Nourbakhsh, Mona Nourbakhsh
BACKGROUND: Cyproheptadine HCl (CyproH) is an appetite stimulating drug and while it was prescribed for a patient with growth hormone insensitivity syndrome (GHIS) for increasing appetite, his height growth was surprisingly increased. Therefore the aim of this study was to investigate the effect of CyproH on growth parameters of the patients with GHIS. PATIENTS AND DESIGN: Twenty patients were enrolled in two prospective cohorts at two different times. Fifteen cases were observed for 1...
March 9, 2018: Clinical Endocrinology
Paula P Perissinotti, María Celeste Rivero-Echeto, Edgar Garcia-Rill, Verónica Bisagno, Francisco J Urbano
Leptin is an adipose-derived hormone that controls appetite and energy expenditure. Leptin receptors are expressed on extra-hypothalamic ventrobasal (VB) and reticular thalamic (RTN) nuclei from embryonic stages. Here, we studied the effects of pressure-puff, local application of leptin on both synaptic transmission and action potential properties of thalamic neurons in thalamocortical slices. We used whole-cell patch-clamp recordings of thalamocortical VB neurons from wild-type (WT) and leptin-deficient obese (ob/ob) mice...
March 8, 2018: Brain Structure & Function
Stefano Cinque, Francesca Zoratto, Anna Poleggi, Damiana Leo, Luca Cerniglia, Silvia Cimino, Renata Tambelli, Enrico Alleva, Raul R Gainetdinov, Giovanni Laviola, Walter Adriani
Alterations in dopamine neurotransmission are generally associated with diseases such as attention-deficit/hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD). Such diseases typically feature poor decision making and lack of control on executive functions and have been studied through the years using many animal models. Dopamine transporter (DAT) knockout (KO) and heterozygous (HET) mice, in particular, have been widely used to study ADHD. Recently, a strain of DAT KO rats has been developed (1)...
2018: Frontiers in Psychiatry
Christopher G Guglielmo
Migratory birds are physiologically specialized to accumulate massive fat stores (up to 50-60% of body mass), and to transport and oxidize fatty acids at very high rates to sustain flight for many hours or days. Target gene, protein and enzyme analyses and recent -omic studies of bird flight muscles confirm that high capacities for fatty acid uptake, cytosolic transport, and oxidation are consistent features that make fat-fueled migration possible. Augmented circulatory transport by lipoproteins is suggested by field data but has not been experimentally verified...
March 7, 2018: Journal of Experimental Biology
Vitor Barreto Paravidino, Mauro Felippe Felix Mediano, Inácio Crochemore M Silva, Andrea Wendt, Fabrício Boscolo Del Vecchio, Fabiana Alves Neves, Bruno de Souza Terra, Erika Alvarenga Corrêa Gomes, Anibal Sanchez Moura, Rosely Sichieri
BACKGROUND: Physical exercise interventions have been extensively advocated for the treatment of obesity; however, clinical trials evaluating the effectiveness of exercise interventions on weight control show controversial results. Compensatory mechanisms through a decrease in energy expenditure and/or an increase in caloric consumption is a possible explanation. Several physiological mechanisms involved in the energy balance could explain compensatory mechanisms, but the influences of physical exercise on these adjustments are still unclear...
March 7, 2018: Trials
Sandeep S Dhawan, Shuang Xia, David S Tait, Christoffer Bundgaard, Ellen Bowman, Verity J Brown
RATIONALE: Delivering orally bioavailable drugs to rodents is an important component to investigating that route of administration in novel treatments for humans. However, the traditional method of oral gavage requires training, is stressful, and can induce oesophageal damage in rodents. OBJECTIVES: To demonstrate a novel administrative technique-palatable gelatine tablets-as a stress-free route of oral delivery. METHODS: Twenty-four male Lister hooded rats were sacrificed for brain tissue analysis at varying time-points after jelly administration of 30 mg/kg of the wake-promoting drug modafinil...
March 6, 2018: Psychopharmacology
Kai K Lie, Ole K Tørresen, Monica Hongrø Solbakken, Ivar Rønnestad, Ave Tooming-Klunderud, Alexander J Nederbragt, Sissel Jentoft, Øystein Sæle
BACKGROUND: The ballan wrasse (Labrus bergylta) belongs to a large teleost family containing more than 600 species showing several unique evolutionary traits such as lack of stomach and hermaphroditism. Agastric fish are found throughout the teleost phylogeny, in quite diverse and unrelated lineages, indicating stomach loss has occurred independently multiple times in the course of evolution. By assembling the ballan wrasse genome and transcriptome we aimed to determine the genetic basis for its digestive system function and appetite regulation...
March 6, 2018: BMC Genomics
Edyta Wernio, Dariusz Jagielak, Jolanta Anna Dardzińska, Ewa Aleksandrowicz-Wrona, Jan Rogowski, Agnieszka Gruszecka, Sylwia Małgorzewicz
Severe aortic stenosis (AS) is associated with the reduction of muscle mass and may be associated with deterioration of nutritional status. Furthermore, malnourished cardiac patients are characterized by a higher risk of postoperative complications and mortality. The aim of this study was the evaluation and comparison of nutritional status, appetite and body composition in older people with severe aortic stenosis before aortic valve replacement and healthy elderly volunteers. One hundred and one patients, aged >65 years old with severe AS were included in the study...
March 5, 2018: Nutrients
Sirimon Reutrakul, Eve Van Cauter
A large body of epidemiologic evidence has linked insufficient sleep duration and quality to the risk of obesity, insulin resistance and type 2 diabetes. To address putative causal mechanisms, this review focuses on laboratory interventions involving several nights of experimental sleep restriction, fragmentation or extension and examining metabolically relevant outcomes. Sleep restriction has been consistently shown to increase hunger, appetite and food intake, with the increase in caloric intake in excess of the energy requirements of extended wakefulness...
March 3, 2018: Metabolism: Clinical and Experimental
Hagop M Kantarjian, Yun Su, Elias J Jabbour, Helen Bhattacharyya, Eric Yan, Joseph C Cappelleri, David I Marks
BACKGROUND: Inotuzumab ozogamicin (InO), an anti-CD22 antibody-calicheamicin conjugate, demonstrated superior clinical activity versus standard-of-care (SOC) chemotherapies for relapsed/refractory B-cell acute lymphoblastic leukemia in the phase 3 randomized controlled INO-VATE trial. The authors assessed patient-reported outcomes (PROs) from that study. METHODS: Patients were randomized to receive either InO (1.8 mg/m2 per cycle for ≤6 cycles) or SOC (fludarabine/cytarabine [ara-C]/granulocyte colony-stimulating factor, or ara-C plus mitoxantrone, or high-dose ara-C for ≤4 cycles) and completed the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire and the EuroQoL 5 Dimensions Questionnaires at baseline, on day 1 of each cycle, and at the end of treatment...
March 6, 2018: Cancer
Kensei Yamaguchi, Kazumasa Fujitani, Fumio Nagashima, Yasushi Omuro, Nozomu Machida, Tomohiro Nishina, Toshiko Koue, Mika Tsujimoto, Kaijiro Maeda, Taroh Satoh
BACKGROUND: Ramucirumab, a monoclonal antibody vascular endothelial growth factor receptor-2 antagonist, given as monotherapy improved survival in a global phase 3 study (REGARD) of patients with gastric cancer. However, REGARD did not include Japanese patients. This study evaluated the efficacy and safety of ramucirumab monotherapy in Japanese patients with advanced gastric cancer. METHODS: This multicenter, open-label, nonrandomized phase 2 study (Clinicaltrials...
March 5, 2018: Gastric Cancer
Sarah Robins, Maia Kokoeva
<br>There is increasing evidence that glia act not only as neuronal support cells, but that they can also influence physiological outcomes via effects on neural signalling. The role of NG2-glia in this regard is especially enigmatic, as they are known to interact with neural circuits but their precise functions other than as oligodendrocyte progenitor cells remain elusive. Here we summarise recent evidence suggesting that NG2-glia play a role in the maintenance of energy homeostasis, most notably via the support of leptin sensing neural circuits...
March 5, 2018: Neuroendocrinology
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