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https://www.readbyqxmd.com/read/28110453/update-on-the-diagnosis-and-treatment-of-cholangiocarcinoma
#1
REVIEW
Bryan Doherty, Vinod E Nambudiri, William C Palmer
PURPOSE OF REVIEW: Cholangiocarcinoma is a rare biliary adenocarcinoma associated with poor outcomes. Cholangiocarcinoma is subdivided into extrahepatic and intrahepatic variants. Intrahepatic cholangiocarcinoma is then further differentiated into (1) peripheral mass-forming tumors and (2) central periductal infiltrating tumors. We aimed to review the currently known risk factors, diagnostic tools, and treatment options, as well as highlight the need for further clinical trials and research to improve overall survival rates...
January 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28110119/interleukin-15-activates-akt-to-protect-astrocytes-from-oxygen-glucose-deprivation-induced-cell-death
#2
Gilbert Aaron Lee, Yein-Gei Lai, Ray-Jade Chen, Nan-Shih Liao
Astrocytes play a pivotal role in neuronal survival under the condition of post-ischemic brain inflammation, but the relevant astrocyte-derived mediators of ischemic brain injury remain to be defined. IL-15 supports survival of multiple lymphocyte lineages in the peripheral immune system, but the role of IL-15 in inflammatory disease of the central nervous system is not well defined. Recent research has shown an increase of IL-15-expressing astrocytes in the ischemic brain. Since astrocytes promote neuron survival under cerebral ischemia by buffering excess extracellular glutamate and producing growth factors, recovery of astrocyte function could be of benefit for stroke therapy...
January 18, 2017: Cytokine
https://www.readbyqxmd.com/read/28109835/gut-microbiota-a-player-in-aging-and-a-target-for-anti-aging-intervention
#3
REVIEW
Alexander M Vaiserman, Alexander K Koliada, Francesco Marotta
Aging-associated alterations in composition, diversity and functional features of intestinal microbiota are well-described in the modern literature. They are suggested to be caused by an age-related decline in immune system functioning (immunosenescence) and a low-grade chronic inflammation (inflammaging), which accompany many aging-associated pathologies. The microbiota-targeted dietary and probiotic interventions have been shown to favorably affect the host health and aging by an enhancement of antioxidant activity, improving immune homeostasis, suppression of chronic inflammation, regulation of fat deposition and metabolism and prevention of insulin resistance...
January 18, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28109823/divergent-regulation-of-insulin-like-growth-factor-binding-protein-genes-in-cultured-atlantic-salmon-myotubes-under-different-models-of-catabolism-and-anabolism
#4
Daniel Garcia de la Serrana, Eduardo N Fuentes, Samuel A M Martin, Ian A Johnston, Daniel J Macqueen
Much attention has been given to insulin-like growth factor (Igf) pathways that regulate the balance of skeletal muscle protein synthesis and breakdown in response to a range of extrinsic and intrinsic signals. However, we have a less complete understanding of how the same signals modulate muscle mass upstream of such signalling, through a family of functionally-diverse Igf-binding proteins (Igfbps) that modify the availability of Igfs to the cell receptor Igf1r. We exposed cultured myotubes from Atlantic salmon (Salmo salar L...
January 18, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28109806/momordica-charantia-polysaccharides-ameliorate-oxidative-stress-hyperlipidemia-inflammation-and-apoptosis-during-myocardial-infarction-by-inhibiting-the-nf-%C3%AE%C2%BAb-signaling-pathway
#5
Mohammad Raish
The polysaccharide extract of Momordica charantia has various biological activities; however, its effect on endothelial dysfunction in myocardial infarction remains unclear. To elucidate this, myocardial infarction was induced in rats using isoproterenol (ISP). Pretreatment with M. charantia polysaccharides (MCP; 150 or 300mg/kg) for 25days significantly inhibited increases in heart weight, the heart-weight-to-body-weight ratio, and infarction size, and ameliorated the increased serum levels of aspartate transaminase, creatine kinase, lactate dehydrogenase, total cholesterol, triglycerides, very-low-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol...
January 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28109619/obesity-and-heart-failure-focus-on-the-obesity-paradox
#6
REVIEW
Salvatore Carbone, Carl J Lavie, Ross Arena
The escalating prevalence of obesity has been linked to substantial increases in both metabolic and cardiovascular disease. Nevertheless, the direct effects of obesity on cardiovascular health and function require further exploration. In particular, the relationship between obesity and cardiac function has received intense scrutiny. Although obesity increases the risk for development of heart failure (HF), it appears to exert a protective effect in patients in whom HF has already been diagnosed (the "obesity paradox")...
January 5, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28109602/strategies-to-gain-body-condition-score-in-pasture-based-dairy-cows-during-late-lactation-and-the-far-off-nonlactating-period-and-their-interaction-with-close-up-dry-matter-intake
#7
J R Roche, A Heiser, M D Mitchell, M A Crookenden, C G Walker, J K Kay, M Vailati Riboni, J J Loor, S Meier
In pasture-based systems, cows are generally thinner at the end of lactation than cows fed total mixed rations and, as a result, over-feeding of metabolizable energy (ME) during the far-off nonlactating period is a standard management policy to achieve optimum calving body condition score (BCS). An alternative would be to manage cows to gain BCS through late lactation, such that cows ended lactation close to optimum calving BCS and maintenance of BCS through to calving. We sought to quantify the effect of moderate or excessive ME intakes during the far-off nonlactating period in cows that had been managed to gain or maintain BCS through late lactation and whether the far-off management strategy interacted with close-up level of feeding...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109591/udder-firmness-as-a-possible-indicator-for-clinical-mastitis
#8
A Rees, C Fischer-Tenhagen, W Heuwieser
Swelling of the mammary gland is an important sign to detect clinical mastitis (CM) in dairy cows. The overall objective of this study was to evaluate if udder firmness can be used as a cow-side indicator for mastitis and to evaluate how CM affects firmness within 14 d after diagnosis. A dynamometer was used to objectively determine udder firmness before and after milking in 45 cows with CM and 95 healthy cows. Udder firmness of both hind quarters was measured daily on 3 locations (upper, middle, lower measuring point) from the day of mastitis diagnosis until d 7 and again on d 14...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109400/tumor-infiltrating-lymphocytes-in-gastrointestinal-tumors-controversies-and-future-clinical-implications
#9
REVIEW
Cinzia Solinas, Grazia Pusole, Laura Demurtas, Marco Puzzoni, Roberta Mascia, Gilberto Morgan, Riccardo Giampieri, Mario Scartozzi
Chronic inflammation following infections, autoimmune diseases or exposure to environmental irritants plays a crucial role in tumor development and influences the host immune response to neoplastic cells. The presence of an anti-tumor immune infiltrate is often associated with better outcomes in gastro-intestinal primary cancers, particularly in those with high microsatellite instability (MSI-H). Immunotherapeutic drugs inhibiting the PD-1 and PD-L1 pathway showed promising results in the treatment of these patients in the metastatic setting...
February 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28109291/systemic-nocardiosis-in-a-dog-caused-by-nocardia-cyriacigeorgica
#10
Yesari Eroksuz, Nafia Canan Gursoy, Tolga Karapinar, Burak Karabulut, Canan Akdeniz Incili, Zeynep Yerlikaya, Zulal Asci Toraman, Mehmet Ozkan Timurkan, Hatice Eroksuz
BACKGROUND: Systemic nocardiosis due to Nocardia cyriacigeorgica has not been reported in dogs. CASE PRESENTATION: Light and electron microscopy, microbiological culture and molecular identification (PCR) were used to diagnose systemic nocardiosis caused by Nocardia cyriacigeorgica in a 3-month-old husky dog. The postmortem changes included multifocal to coalescing, sharply circumscribed pyogranulomatous inflammation and abscess formation in lungs, liver, myocardium, spleen, kidneys, brain, and hilar lymph nodes...
January 21, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28109289/plantamajoside-from-plantago-asiatica-modulates-human-umbilical-vein-endothelial-cell-dysfunction-by-glyceraldehyde-induced-ages-via-mapk-nf-%C3%AE%C2%BAb
#11
Won-Rak Son, Mi-Hyun Nam, Chung-Oui Hong, Yoonsook Kim, Kwang-Won Lee
BACKGROUND: Plantago asiatica has been traditionally used for traditional medicine around East Asia. Plantamajoside (PM), which is isolated from this plant, is known for biological properties including anti-inflammation and antioxidant activity. To demonstrate the biological activity of PM against endothelial dysfunction induced by advanced glycation end-products (AGEs), a cellular inflammatory mechanism system was evaluated in human umbilical vein endothelial cells (HUVECs). METHODS: We obtained PM through previous research in our laboratory...
January 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28109186/interleukin-1-as-a-mediator-of-fatigue-in-disease-a-narrative-review
#12
REVIEW
Megan E Roerink, Marieke E van der Schaaf, Charles A Dinarello, Hans Knoop, Jos W M van der Meer
Fatigue is commonly reported in a variety of illnesses, and it has major impact on quality of life. Previously, it was thought that fatigue originates in the skeletal muscles, leading to cessation of activity. However, more recently, it has become clear that the brain is the central regulator of fatigue perception. It has been suggested that pro-inflammatory cytokines, especially interleukin-1 alpha (IL-1α) and interleukin-1 beta (IL-1β), play a prominent role in the development of central fatigue, and several studies have been performed to elucidate the connection between inflammation and these central processes...
January 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28109180/the-intrauterine-renin-angiotensin-system-sex-specific-effects-on-the-prevalence-of-spontaneous-preterm-birth
#13
Kirsty G Pringle, Tamas Zakar, Eugenie R Lumbers
Preterm birth (PTB) is the single largest cause of death in infants and young children. The rate of PTB is significantly higher in male infants, particularly those that are born very preterm. Here we present evidence to suggest that the decidual renin-angiotensin system may play a role in inhibiting inflammation and maintaining the integrity of the fetal membranes during pregnancy, and that sex-specific alterations in the intrauterine RAS could contribute to the increased risk of PTB in male babies. Women carrying female fetuses have high levels of expression of decidual prorenin at term...
January 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28108991/mucosal-immune-tolerance-at-the-ocular-surface-in-health-and-disease
#14
REVIEW
Jeremías G Galletti, Mauricio Guzmán, Mirta N Giordano
The ocular surface is constantly exposed to environmental irritants, allergens and pathogens, against which it can mount a prompt immune response to preserve its integrity. But to avoid unnecessary inflammation, the ocular surface's mucosal immune system must also discriminate between harmless and potentially dangerous antigens, a seemingly complicated task. Despite its unique features, the ocular surface is a mucosal lining, and as such, it shares some homeostatic and pathophysiological mechanisms with other mucosal surfaces...
January 20, 2017: Immunology
https://www.readbyqxmd.com/read/28108937/glycyrrhizin-ameliorates-experimental-colitis-through-attenuating-interleukin-17-producing-t-cell-responses-via-regulating-antigen-presenting-cells
#15
Xiangyu Chen, Dai Fang, Lingyun Li, Liyong Chen, Qirui Li, Feili Gong, Min Fang
Glycyrrhizin, a component of Chinese medicine licorice root, has the ability to inhibit the functions of high-mobility group box 1 (HMGB1). While glycyrrhizin is known to have anti-inflammatory activities, the underlying mechanisms by which glycyrrhizin inhibits inflammation during the development of trinitrobenzenesulfonic acid (TNBS)-induced experimental colitis are not well understood. This study systemically examined the regulatory effects of glycyrrhizin on inflammatory response in TNBS-induced murine colitis and explored the potential mechanisms involved in this process...
January 21, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28108813/relationship-between-il-27-and-coronary-arterial-lesions-in-children-with-kawasaki-disease
#16
Feifei Si, Yao Wu, Fang Gao, Siqi Feng, Ruixi Liu, Qijian Yi
Kawasaki disease (KD) arises due to the disorder of the inflammation response and faulty immune regulation. Interleukin-27 (IL-27) is a novel cytokine with both pro-inflammatory and anti-inflammatory effects. This study investigated the relationship between serum levels of IL-27, Interleukin-17A (IL-17A), Interleukin-10 (IL-10), Interleukin-6 (IL-6), Interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and coronary artery lesions (CALs) in patients with KD. We obtained blood samples from 81 children with KD before intravenous immunoglobulin (IVIG) therapy...
January 20, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28108375/the-role-of-pattern-recognition-receptors-in-lung-sarcoidosis
#17
Esmaeil Mortaz, Ian M Adcock, Atefhe Abedini, Arda Kiani, Mehdi Kazempour-Dizaji, Masoud Movassaghi, Johan Garssen
Sarcoidosis is a granulomatous disorder of unknown etiology. Infection, genetic factors, autoimmunity and an aberrant innate immune system have been explored as potential causes of sarcoidosis. The etiology of sarcoidosis remains unknown, and it is thought that it might be caused by an infectious agent in a genetically predisposed, susceptible host. Inflammation results from recognition of evolutionarily conserved structures of pathogens (Pathogen-associated molecular patterns, PAMPs) and/or from reaction to tissue damage associated patterns (DAMPs) through recognition by a limited number of germ line-encoded pattern recognition receptors (PRRs)...
January 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28108341/molecular-cloning-genomic-structure-polymorphism-analysis-and-recombinant-expression-of-a-%C3%AE-1-antitrypsin-like-gene-from-swamp-eel-monopterus-albus
#18
Wei Li, Quanhe Wang, Shaobin Li, Ao Jiang, Wenxiu Sun
Alpha-1-antitrypsin (AAT) is a highly polymorphic glycoprotein antiprotease, involved in the regulation of human immune response. Beyond some genomic characterization and a few protein characterizations, the function of teleost AAT remains uncertain. In this study we cloned an AAT-like gene from a swamp eel liver identifying four exons and three introns, and the full-length cDNA. The elucidated swamp eel AAT amino acid sequence showed high homology with known AATs from other teleosts. The swamp eel AAT was examined both in ten healthy tissues and in four bacterially-stimulated tissues resulting in up-regulation of swamp eel AAT at different times...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28108140/steroid-treatment-in-ocular-tuberculosis-a-double-edged-sword
#19
S Souissi, T David, L Beral
INTRODUCTION: We report the case of a Caribbean patient with an atypical presentation of bilateral tuberculous chorioretinopathy. PATIENT AND METHODS: A 57-year-old woman, with hypertension and non-insulin dependent diabetes, was referred to our center for a sudden loss of vision in the right eye to hand motions. Ophthalmic examination revealed only right papilledema. Brain magnetic resonance imaging was normal. Laboratory examination revealed no signs of inflammation...
January 17, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28108129/cardiovascular-impact-in-patients-undergoing-maintenance-hemodialysis-clinical-management-considerations
#20
REVIEW
Srisakul Chirakarnjanakorn, Sankar D Navaneethan, Gary S Francis, W H Wilson Tang
Patients undergoing maintenance hemodialysis develop both structural and functional cardiovascular abnormalities. Despite improvement of dialysis technology, cardiovascular mortality of this population remains high. The pathophysiological mechanisms of these changes are complex and not well understood. It has been postulated that several non-traditional, uremic-related risk factors, especially the long-term uremic state, which may affect the cardiovascular system. There are many cardiovascular changes that occur in chronic kidney disease including left ventricular hypertrophy, myocardial fibrosis, microvascular disease, accelerated atherosclerosis and arteriosclerosis...
January 4, 2017: International Journal of Cardiology
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