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Metabolic disorder

Carlos Fernandez-Patron, Zamaneh Kassiri, Dickson Leung
Matrix metalloproteinase-2 (MMP-2) is a 72-kDa zinc- and calcium-dependent endopeptidase with intracellular and extracellular functions ranging from the modulation of extracellular matrix remodeling to cell growth and migration, angiogenesis, inflammation, and metabolism. An upregulation of MMP-2 activity has the potential to deregulate lipid metabolism through the cleavage of numerous metabolic mediators including plasma lipoproteins and cell surface receptors of lipoproteins. Paradoxically, MMP-2 deficiency induces inflammation and deregulates metabolism...
September 15, 2016: Comprehensive Physiology
Han Na Kwon, Hyunjung Lim
Serum vitamin D status has been associated with prediabetes and metabolic syndrome. Evidence for the increased risk of metabolic disorders in individuals with prediabetes and a low vitamin D status is limited and uncertain. Furthermore, it has not been confirmed whether this possible relationship occurs in the Korean population. The aim of this study was to assess serum vitamin D status and to examine the relationship between serum vitamin D levels and metabolic risk factors in Korean adults with prediabetes...
2016: PloS One
Roberto Serpe, Laura Demurtas, Marco Puzzoni, Clelia Madeddu, Mario Scartozzi
The cancer anorexia-cachexia syndrome (CACS) is considered a multifactorial syndrome that leads a general decline of the cancer patient conditions, prognosis and survival, and characterized by progressive loss of body mass and functional impairment, due to marked energy metabolism imbalance and immunological disorders. It is the cause of death in almost one out of five advanced cancer patients. CACS is also accompanied with loss of quality of life, reduced response and tolerance to anticancer therapies and affected outcome...
October 2016: Recenti Progressi in Medicina
Alencar Kolinski Machado, Ana Cristina Andreazza, Tatiane Morgana da Silva, Aline Augusti Boligon, Vanusa do Nascimento, Gustavo Scola, Angela Duong, Francine Carla Cadoná, Euler Esteves Ribeiro, Ivana Beatrice Mânica da Cruz
Neuropsychiatric diseases, such as bipolar disorder (BD) and schizophrenia (SCZ), have a very complex pathophysiology. Several current studies describe an association between psychiatric illness and mitochondrial dysfunction and consequent cellular modifications, including lipid, protein, and DNA damage, caused by cellular oxidative stress. Euterpe oleracea (açaí) is a powerful antioxidant fruit. Açaí is an Amazonian palm fruit primarily found in the lowlands of the Amazonian rainforest, particularly in the floodplains of the Amazon River...
2016: Oxidative Medicine and Cellular Longevity
Stephanie M Cossette, Vijesh J Bhute, Xiaoping Bao, Leanne M Harmann, Mark A Horswill, Indranil Sinha, Adam Gastonguay, Shabnam Pooya, Michelle Bordas, Suresh N Kumar, Shama P Mirza, Sean Palecek, Jennifer Strande, Ramani Ramchandran
BACKGROUND: -Cardiac metabolism is critical for the functioning of the heart, and disturbance in this homeostasis is likely to influence cardiac disorders or cardiomyopathy. Our lab has previously shown that sucrose non-fermenting related kinase (SNRK) enzyme, which belongs to the AMP-activated kinase (AMPK) family, was essential for cardiac metabolism in mammals. Snrk global homozygous knockout (KO) mice die at postnatal day 0, and conditional deletion of Snrk in cardiomyocytes (Snrk cmcKO) leads to cardiac failure, and death by 8-10 months...
October 25, 2016: Circulation. Cardiovascular Genetics
Christina M Jacobsen
Sclerostin, a known inhibitor of the low density lipoprotein related protein 5 and 6 (LRP5 and LRP6) cell surface signaling receptors, is integral in the maintenance of normal bone mass and strength. Patients with loss of function mutations in SOST or missense mutations in LRP5 that prevent Sclerostin from binding and inhibiting the receptor, have significantly increased bone mass. This observation leads to the development of Sclerostin neutralizing therapies to increase bone mass and strength. Anti-Sclerostin therapy has been shown to be effective at increasing bone density and strength in animal models and patients with osteoporosis...
October 22, 2016: Bone
Brit Long, Alex Koyfman
BACKGROUND: Stroke is a leading cause of death and disability and most commonly presents with focal neurologic deficit within a specific vascular distribution. Several other conditions may present in a similar manner. OBJECTIVES: This review provides emergency providers with an understanding of stroke mimics, use of thrombolytics in these mimics, and keys to differentiate true stroke from mimic. DISCUSSION: Stroke has significant morbidity and mortality, and the American Heart Association emphasizes rapid recognition and aggressive treatment for patients with possible stroke-like symptoms, including thrombolytics...
October 22, 2016: Journal of Emergency Medicine
David J Bond, Ana C Andreazza, John Hughes, Taj Dhanoa, Ivan J Torres, Jan-Marie Kozicky, L Trevor Young, Raymond W Lam, Lakshmi N Yatham
OBJECTIVE: There is a bidirectional relationship between obesity and mood disorders, with each increasing the risk of developing the other. This relationship suggests that they have overlapping pathophysiologic mechanisms. Adipose tissue-derived hormones, or adipokines, regulate appetite and metabolism and have activity in limbic brain regions, making them potential shared etiologic factors between elevated body mass index (BMI) and mood disorders. However, the precise relationships between BMI, mood, and adipokines are unknown...
October 25, 2016: Journal of Clinical Psychiatry
R E Frye, S Rose, J Chacko, R Wynne, S C Bennuri, J C Slattery, M Tippett, L Delhey, S Melnyk, S G Kahler, D F MacFabe
Propionic acid (PPA) is a ubiquitous short-chain fatty acid, which is a major fermentation product of the enteric microbiome. PPA is a normal intermediate of metabolism and is found in foods, either naturally or as a preservative. PPA and its derivatives have been implicated in both health and disease. Whereas PPA is an energy substrate and has many proposed beneficial effects, it is also associated with human disorders involving mitochondrial dysfunction, including propionic acidemia and autism spectrum disorders (ASDs)...
October 25, 2016: Translational Psychiatry
Amy C Arnold, Emily M Garland, Jorge E Celedonio, Satish R Raj, Naji N Abumrad, Italo Biaggioni, David Robertson, James M Luther, Cyndya A Shibao
CONTEXT: Dopamine β-hydroxylase (DBH) deficiency is a rare genetic disorder characterized by failure to convert dopamine into norepinephrine. These patients have absence of sympathetic adrenergic function, predisposing to orthostatic hypotension. DBH deficient mice exhibit hyperinsulinemia, lower plasma glucose levels, and insulin resistance due to loss of tonic sympathetic inhibition of insulin secretion. The impact of DBH deficiency on glucose homeostasis in humans is unknown. CASE DESCRIPTION: We describe the metabolic profile of an adolescent female DBH deficient patient...
October 25, 2016: Journal of Clinical Endocrinology and Metabolism
Paula Honório de Melo Martimiano, André de Sa Braga Oliveira, Véronique Ferchaud-Roucher, Mikaël Croyal, Audrey Aguesse, Isabelle Grit, Khadija Ouguerram, Sandra Lopes de Souza, Bertrand Kaeffer, Francisco Bolaños-Jiménez
Early malnutrition is a risk factor for depression and schizophrenia. Since the offspring of malnourished dams exhibit increased brain levels of serotonin (5-HT), a tryptophan-derived neurotransmitter involved in the pathophysiology of these mental disorders, it is believed that the deleterious effects of early malnutrition on brain function are due in large part to altered serotoninergic neurotransmission resulting from impaired tryptophan (Trp) metabolism. However, tryptophan is also metabolized through the kynurenine (KYN) pathway yielding several neuroactive compounds including kynurenic (KA), Qinolinic (QA) and Xanthurenic (XA) acids...
October 25, 2016: Journal of Neurochemistry
Shao-Hua Xie, Jesper Lagergren
The Chinese famine in 1958-1962 was one of the worst in human history, but its potential influence on cancer risks is uncertain. Using cancer incidence data in Shanghai, China, during 1983-2007, we calculated age-specific incidence rates of gastrointestinal cancers in birth cohorts exposed to the Chinese famine in different periods of life and a non-exposed reference cohort. Age-period-cohort regressions estimated the overall relative risks of gastrointestinal cancers in each birth cohort. A total of 212,098 new cases of gastrointestinal cancer were identified during the study period (129,233 males and 82,865 females), among whom 18,146 had esophageal cancer, 71,011 gastric cancer, 55,864 colorectal cancer, 42,751 liver cancer, 9,382 gallbladder cancer, and 14,944 had pancreatic cancer...
October 25, 2016: International Journal of Cancer. Journal International du Cancer
Chong Kun Cheon
The Prader-Willi syndrome (PWS) is a human imprinting disorder resulting from genomic alterations that inactivate imprinted, paternally expressed genes in human chromosome region 15q11-q13. This genetic condition appears to be a contiguous gene syndrome caused by the loss of at least 2 of a number of genes expressed exclusively from the paternal allele, including SNRPN, MKRN3, MAGEL2, NDN and several snoRNAs, but it is not yet well known which specific genes in this region are associated with this syndrome...
September 2016: Annals of Pediatric Endocrinology & Metabolism
Min-Jae Lee, Dong-Ho Park, Ju-Hee Kang
Exosomes are extracellular vesicles that contain molecules that regulate the metabolic functions of adjacent or remote cells. Recent in vitro, in vivo and clinical studies support the hypothesis that exosomes released from various cell types play roles in the progression of metabolic disorders including type 2 diabetes. Based on this concept and advances in other diseases, the proteins, mRNA, microRNA and lipids in exosomes isolated from biological fluids have been proposed as biomarkers in metabolic disorders...
September 2016: Annals of Pediatric Endocrinology & Metabolism
Tarek K Motawi, Olfat G Shaker, Nancy N Shahin, Nancy M Ahmed
BACKGROUND: According to the WHO report in 2015, obesity is the fifth leading cause of death worldwide, and the prevalence of Egyptian female obesity is 37.5 %. Since obesity is highly influenced by genetics, and adipose tissue renin-angiotensin system is over-activated in obesity, the effect of angiotensin-converting enzyme (ACE) insertion/deletion (I/D) polymorphism on obesity and related disorders was studied in several populations, because of its effect on ACE activity. Our objective was to study the association of ACE I/D polymorphism with obesity and certain related disorders, namely hypertension, insulin resistance and metabolic syndrome, in Egyptian females...
2016: Nutrition & Metabolism
Vaida Petrauskiene, Ruta Vaiciuniene, Inga Arune Bumblyte, Vytautas Kuzminskis, Edita Ziginskiene, Saulius Grazulis, Egle Jonaitiene
BACKGROUND: Vascular calcification (VC) is one of the factors associated with cardiovascular mortality in hemodialysis (HD) patients. Recommendations concerning screening for VC differ. Possible ability to prevent and reversibility of VC are major subjects on debate whether screening for VC could improve outcomes of renal patients. The objective of the study was to evaluate the significance of simple vascular calcification score (SVCS) based on plane radiographic films and to test its association with non-fatal cardiovascular events in patients on chronic HD...
October 21, 2016: Néphrologie & Thérapeutique
Xiaoli Wang, Xiangyun Chang, Yurong Zhu, Huan Wang, Kan Sun
BACKGROUND: Vitamin D status is related to obesity-related metabolic disorders. We investigated the risk of 25-hydroxyvitamin D [25(OH)D] deficiency among different metabolic phenotypes. METHODS: This prospective cross-sectional study evaluated 1,292 individuals who were ≥40 years old. Participants were classified as metabolically healthy and normal weight (MHNW), metabolically obese but normal weight (MONW), metabolically healthy but obese (MHO) or metabolically unhealthy and obese (MUO)...
October 2016: American Journal of the Medical Sciences
Mehrnaz Riazian, Elnaz Khorrami, Elham Alipoor, Sina Moradmand, Mehdi Yaseri, Mohammad Javad Hosseinzadeh-Attar
BACKGROUND: Apelin, the endogenous ligand of orphan receptor APJ (gene symbol APLNR), is an adipokine that was suggested to have a direct correlation with obesity. This peptide might play a role in obesity-related disorders, especially in the cardiovascular system. Currently, few data are available on levels and potential metabolic functions of apelin in different cardiac diseases including atrial fibrillation (AF) and coronary artery disease (CAD), which have common underlying pathophysiological mechanisms...
October 2016: American Journal of the Medical Sciences
Jeanette Reffstrup Christensen, Thomas Viskum Gjelstrup Bredahl, Jenny Hadrévi, Gisela Sjøgaard, Karen Søgaard
BACKGROUND: Several RCT studies have aimed to reduce either musculoskeletal disorders, sickness presenteeism, sickness absenteeism or a combination of these among females with high physical work demands. These studies have provided evidence that workplace health promotion (WHP) interventions are effective, but long-term effects are still uncertain. These studies either lack to succeed in maintaining intervention effects or lack to document if effects are maintained past a one-year period...
October 24, 2016: BMC Public Health
Ebru Fındıklı, Mustafa Gökçe, Vedat Nacitarhan, Mehmet Akif Camkurt, Hüseyin Avni Fındıklı, Selçuk Kardaş, Merve Coşgun Şahin, Mehmet Fatih Karaaslan
Objective: That treatment with second-generation antipsychotics (SGAs) causes metabolic side effects and atherosclerosis in patients with schizophrenia and bipolar disorder (BD) is well-known. Increased arterial stiffness is an important marker of arteriosclerosis and has been identified as an independent risk factor for cardiovascular diseases. We measured pulse wave velocity (PWV) as a marker of arteriosclerosis in patients with schizophrenia and BD who use SGAs. Methods: Patients and controls were collected from our psychiatry outpatient clinics or family medicine...
November 30, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
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