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metabolic disorders

Lanfang Tian, Siyuan Chen, Haiyan Liu, Mingzhang Guo, Wentao Xu, Xiaoyun He, Yunbo Luo, Xiaozhe Qi, Hongxia Luo, Kunlun Huang
Hepcidin, one kind of antimicrobial peptides, is one of the promising alternatives to antibiotics with broad spectrum of antimicrobial activity. Hepcidins cloned from different kinds of fishes have been produced using exogenous expression systems, and their in vitro antimicrobial effects have been verified. However their in vivo effects on gut microbiota and gut health of hosts remain unclear. Here we performed a safety study of hepcidin so that it can be used to reduce microbial contaminations in the food and feed...
2016: PloS One
Durga Mahor, Anu Priyanka, Gandham S Prasad, Krishan Gopal Thakur
Consumption of foods and beverages with high purine content increases the risk of hyperuricemia, which causes gout and can lead to cardiovascular, renal, and other metabolic disorders. As patients often find dietary restrictions challenging, enzymatically lowering purine content in popular foods and beverages offers a safe and attractive strategy to control hyperuricemia. Here, we report structurally and functionally characterized purine nucleoside phosphorylase (PNP) from Kluyveromyces lactis (KlacPNP), a key enzyme involved in the purine degradation pathway...
2016: PloS One
Xingkang Jiang, Changwen Zhang, Shiyong Qi, Shanqi Guo, Yue Chen, E Du, Hongtuan Zhang, Xiaoming Wang, Ranlu Liu, Baomin Qiao, Kuo Yang, Zhihong Zhang, Yong Xu
Although we and other studies indicated ZNF217 expression was increased in prostate cancer (PCa), the factors mediating its misregulated expression and their oncogenic activity remain largely unexplored. Recent evidence demonstrated that ferroportin (FPN) reduction lead to decreased iron export and increased intercellular iron that consequently aggravates the oncogenic effects of iron. In the present study, ZNF217 was identified as a transcriptional repressor that inhibits FPN expression. Increased of ZNF217 expression led to decreased FPN concentration, coupled with resultant intracellular iron retention, increased iron-related cellular activities and enhanced tumor cell growth...
October 19, 2016: Oncotarget
Leszek Szablewski, Anna Sulima
It is known fact that diabetes mellitus (DM) affects blood cells. Changes in the erythrocyte membrane, disorder in hemoglobin oxygen-binding and modification in mechanical characteristics, are effects of hyperglycemia on red blood cells. Altered susceptibility infection of patients with diabetes has been ascribed to a depression in the function of polymorphonuclear leukocytes. Neutrophil function in case of patients with diabetes with good glucose control is slightly different than in the case of healthy ones...
October 21, 2016: Biological Chemistry
Gregory Plotnikoff, Melissa Barber
INTRODUCTION: Single-disorder or single-organ-system clinical practice guidelines are often of limited usefulness in guiding effective management of patients with chronic multidimensional signs and symptoms. The presence of multiple long-standing medical problems in a given patient despite intensive medical effort suggests that addressing systemic core imbalances could complement more narrowly focused approaches. CASE PRESENTATION: A 72-year-old man experiencing longstanding depression, fatigue, irritable bowel syndrome, and chronic pain in the context of additional refractory illnesses was assessed and treated, guided by a system-oriented approach to underlying core imbalances termed functional medicine...
October 14, 2016: Permanente Journal
Kleopatra Schulpis, Maria Kalogerakou, Ioannis Monopolis
No abstract text is available yet for this article.
December 2016: Minerva Pediatrica
Peter J Meikle, Scott A Summers
Obesity, insulin resistance, type 2 diabetes mellitus and cardiovascular disease form a metabolic disease continuum that has seen a dramatic increase in prevalence in developed and developing countries over the past two decades. Dyslipidaemia resulting from hypercaloric diets is a major contributor to the pathogenesis of metabolic disease, and lipid-lowering therapies are the main therapeutic option for this group of disorders. However, the fact that dysfunctional lipid metabolism extends far beyond cholesterol and triglycerides is becoming increasingly clear...
October 21, 2016: Nature Reviews. Endocrinology
Connie F Matthiesen, Anne-Helene Tauson
BACKGROUND: Malnutrition in fetal life and during suckling have in some animal studies resulted in adaptive changes related to the fat and glucose metabolism, which in the long term might predispose the offspring for metabolic disorders such as obesity later in life. The objective was to study the effect of fetal life malnutrition in male mink on the gene expression of leptin and adiponectin in different adipose tissue sites. RESULTS: Thirty-two male mink, strict carnivore species, exposed to low (FL) or adequate (FA) protein provision the last 16...
October 20, 2016: Acta Veterinaria Scandinavica
Nahid Alimoradi, Mohammad Reza Ashrafi-Kooshk, Mohsen Shahlaei, Shabnam Maghsoudi, Hadi Adibi, Ross P McGeary, Reza Khodarahmi
Purple acid phosphatases (PAPs) are binuclear metallo-hydrolases that have been isolated from various mammals, plants, fungi and bacteria. In mammals, PAP activity is associated with bone resorption and can lead to bone metabolic disorders such as osteoporosis; thus human PAP is an attractive target to develop anti-osteoporotic drugs. The aim of the present study was to investigate inhibitory effect of synthesized diethylalkylsulfonamido(4-methoxyphenyl)methyl)phosphonate/phosphonic acid derivatives as potential red kidney bean PAP (rkbPAP) inhibitors accompanied by experimental and molecular modeling assessments...
October 21, 2016: Journal of Enzyme Inhibition and Medicinal Chemistry
Muhammad Rafehi, Joachim C Burbiel, Isaac Y Attah, Aliaa Abdelrahman, Christa E Müller
The Gq protein-coupled, ATP- and UTP-activated P2Y2 receptor is a potential drug target for a range of different disorders, including tumor metastasis, inflammation, atherosclerosis, kidney disorders, and osteoporosis, but pharmacological studies are impeded by the limited availability of suitable antagonists. One of the most potent and selective antagonists is the thiouracil derivative AR-C118925. However, this compound was until recently not commercially available and little is known about its properties...
October 20, 2016: Purinergic Signalling
Alba Di Pardo, Enrico Amico, Vittorio Maglione
Huntington Disease (HD) is a genetic neurodegenerative disorder characterized by broad types of cellular and molecular dysfunctions that may affect both neuronal and non-neuronal cell populations. Among all the molecular mechanisms underlying the complex pathogenesis of the disease, alteration of sphingolipids has been identified as one of the most important determinants in the last years. In the present study, besides the purpose of further confirming the evidence of perturbed metabolism of gangliosides GM1, GD1a, and GT1b the most abundant cerebral glycosphingolipids, in the striatal and cortical tissues of HD transgenic mice, we aimed to test the hypothesis that abnormal levels of these lipids may be found also in the corpus callosum white matter, a ganglioside-enriched brain region described being dysfunctional early in the disease...
2016: Frontiers in Neuroscience
Vani P Sanon, Yehuda Handelsman, Son V Pham, Robert Chilton
IN BRIEF Congenital lipodystrophy is a rare genetic disorder characterized by a near-complete absence of fat cells, hypoleptinemia leading to a voracious appetite, and marked insulin resistance. This article focuses on the known cardiovascular manifestations of patients with congenital lipodystrophy, including cardiomyopathy, cardiac arrhythmias, and accelerated atherosclerosis arising from a markedly deranged metabolic milieu. Future research that targets leptin deficiency (metreleptin) and apoC3 mRNA (antisense oligonucleotide) could open a window for potential pharmacological treatment of this challenging disorder...
October 2016: Clinical Diabetes: a Publication of the American Diabetes Association
Stefano Fiorucci, Angela Zampella, Giuseppe Cirino, Mariarosaria Bucci, Eleonora Distrutti
Bile acids are end product of cholesterol metabolism generated in the liver and released in the intestine. In addition to their role in nutrient absorption, bile acids are increasingly recognized as regulatory signals which exert their function beyond the intestine by activating a network of membrane and nuclear receptors. The best characterized of these bile acid activated receptors, GPBAR1 (also known as TGR5) and the Farnesosid-x-receptor (FXR) have also been detected in the vascular system and their activation mediate the vasodilatory effects of bile acids in the systemic and splanchnic circulation...
October 7, 2016: American Journal of Physiology. Heart and Circulatory Physiology
Terry C Lairmore
BACKGROUND: The last 200 years have seen remarkable achievements in the art and clinical practice of surgery. These advances include the introduction of antisepsis, anesthesia, vascular anastomosis, antimicrobials, organ transplantation, and the widespread application of minimally invasive operative procedures. Very recently, a surgical procedure has been shown to cure diabetes, representing the most effective treatment of a metabolic disorder by surgeons. METHODS: The author reviewed the major surgical milestones in the modern surgical era and prepared this monograph for presentation as the Claude H...
September 30, 2016: American Journal of Surgery
Q H Chen, X K Yang, D H Hu
Patients with severe burn are characterized by strong oxidative stress and intense inflammatory response, which will cause metabolic disorder. Therefore, nutrition therapy is very important for severe burn. Nutrition therapy includes enteral nutrition (EN) and parenteral nutrition, and EN has the unique advantages. In recent years, more and more researchers focused on the EN for severe burn injuries, but there were still some confusing problems needing to solve. This article reviews the recent research about nutrition therapy for severe burn, including the route of feeding, energy requirements, and supplements of protein, carbohydrates, and microelements, and so on, so as to clarify some confusing questions about nutrition therapy for severe burn in clinical practice...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
Nihal Ocak, Melahat Dirican, Alparslan Ersoy, Emre Sarandol
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of mortality and morbidity in patients with chronic kidney disease (CKD) including kidney transplant recipients (KTR). Secondary lipid metabolism disorders, endothelial dysfunction, and inflammation enhance the risk of CVD development in these patients. The aim of the present study was to investigate the lipid profile, adiponectin, leptin, nitric oxide (NO), and high sensitivity C-reactive protein (hs-CRP) levels in KTR and to compare these parameters with those of the patients with chronic renal failure (CRF), hemodialysis (HD) patients, and healthy controls...
October 20, 2016: Renal Failure
Petros Petrikis, Vassiliki A Boumba, Alexandros T Tzallas, Paraskevi V Voulgari, Dimitra T Archimandriti, Petros Skapinakis, Venetsanos Mavreas
Insulin-like growth factor 1 (IGF-1) plays an important role in neurogenesis and synaptogenesis and may be implicated in schizophrenia, although data so far have been inconclusive. The aim of our study was to compare levels of IGF-1 in drug-naïve patients with a first episode of schizophrenia and related disorders with matched healthy controls. Forty drug naïve first-episode patients with schizophrenia and related disorders and forty healthy subjects matched for age, gender, body mass index (BMI) and smoking status were enrolled in the study...
September 28, 2016: Psychiatry Research
H Jęśko, R P Strosznajder
Sirtuins (SIRT1 to -7) are unique histone deacetylases (HDACs) whose activity depends on NAD+, thus making them capable of sensing the cellular metabolic status. Sirtuins orchestrate the stress response and damage repair, and are able to modulate the course of ageing and neurodegenerative diseases. Despite their classification as HDACs, sirtuins deacetylate a vast number of targets in many cellular compartments, and some display additional enzymatic activities including mono(ADP-ribosyl)ation. SIRTs interact with multiple signalling proteins, transcription factors and enzymes including p53, FOXOs (forkhead box subgroup O), PPARs (peroxisome proliferator-activated receptors), NF-B, and DNA-PK (DNA-dependent protein kinase)...
2016: Folia Neuropathologica
Gregory D M Potter, Debra J Skene, Josephine Arendt, Janet E Cade, Peter J Grant, Laura J Hardie
Circadian (∼ 24 hour) timing systems pervade all kingdoms of life, and temporally optimize behaviour and physiology in humans. Relatively recent changes to our environments, such as the introduction of artificial lighting, can disorganize the circadian system, from the level of the molecular clocks that regulate the timing of cellular activities to the level of synchronization between our daily cycles of behaviour and the solar day. Sleep/wake cycles are intertwined with the circadian system, and global trends indicate that these too are increasingly subject to disruption...
October 20, 2016: Endocrine Reviews
Frank A Scannapieco, Summar Amin, Marc Salme, Mine Tezal
PURPOSE: To describe factors associated with the utilization of dental services in a long-term care facility (LTCF) in Western New York. METHODS AND MATERIALS: A descriptive cross-sectional study reviewed the dental and medical records of residents of an LTCF discharged between January 1, 2008 and December 30, 2012. Information on demographic and health variables at admission was extracted from electronic health records. Information on oral health variables was extracted from patient charts...
October 20, 2016: Special Care in Dentistry
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