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Zhi-Hua Wan, Guo-Hao Li, Yong-Lian Guo, Wen-Zhou Li, Lin Chen, Yuan-Jie Zhang
BACKGROUND: Cavernous nerve injury (CNI) causes fibrosis and loss of smooth muscle cells (SMCs) in the corpus cavernosum and leads to erectile dysfunction, and lysyl oxidase (LOX) activation has been found to play an important role in fibrotic diseases. AIM: To evaluate the role of LOX in penile fibrosis after bilateral CNI (BCNI). METHODS: Rats underwent BCNI or a sham operation and were treated with vehicle or β-aminopropionitrile, a specific LOX activity inhibitor...
March 2018: Journal of Sexual Medicine
Bernhard Michalke, Matthias F Kramer, Randolf Brehler
BACKGROUND: Aluminium is associated with disorders and is the commonly used vaccine adjuvant. Understanding the mechanisms of how Al is transported, metabolized or of its toxicity depends on the knowledge of Al-interactions with bioligands, i.e. Al-species. Al-speciation in serum is difficult because of low concentration and the risk of exogenous Al contamination. Furthermore, Al-measurements may be hampered according to various interferences. This study aims for developing quality controlled protocols for reliable Al- and Al-species determination and for investigating probable differences in Al (-speciation) after Al-containing subcutaneous immunotherapy (SIT)...
February 21, 2018: Journal of Trace Elements in Medicine and Biology
Jeremy T Howard, Melissa S Ashwell, Ronald E Baynes, James D Brooks, James L Yeatts, Christian Maltecca
In livestock, the regulation of drugs used to treat livestock has received increased attention and it is currently unknown how much of the phenotypic variation in drug metabolism is due to the genetics of an animal. Therefore, the objective of the study was to determine the amount of phenotypic variation in fenbendazole and flunixin meglumine drug metabolism due to genetics. The population consisted of crossbred female and castrated male nursery pigs ( n = 198) that were sired by boars represented by four breeds...
2018: Frontiers in Genetics
Cho-Hsueh Lee, Kun-Tai Kang, Shuenn-Nan Chiu, I-Sheng Chang, Wen-Chin Weng, Pei-Lin Lee, Wei-Chung Hsu
Importance: Hypertension in childhood may continue into adulthood and lead to adverse cardiovascular outcomes. Evidence suggests that adenotonsillectomy for childhood obstructive sleep apnea (OSA) may be associated with blood pressure (BP) improvement. However, how adenotonsillectomy is associated with BP in hypertensive and nonhypertensive children with OSA remains unclear. Objective: To investigate disparities in BP changes after adenotonsillectomy in hypertensive and nonhypertensive children with OSA...
February 15, 2018: JAMA Otolaryngology—Head & Neck Surgery
Gabriele Babini, Jacopo Morini, Sofia Barbieri, Giorgio Baiocco, Giovanni Battista Ivaldi, Marco Liotta, Paola Tabarelli de Fatis, Andrea Ottolenghi
The protocol adopted in this work aims at unraveling how X-rays perturb the functioning of the intestinal barrier, focusing on the interplay between colorectal tumor cells and the immune system. Colorectal carcinoma is among the most common type of cancer, typically treated by surgery, chemotherapy, and radiotherapy. Advantages of radiotherapy in targeting the tumor are well known. However, even limited exposures of healthy tissues are of great concern, particularly regarding the effects on the intestinal barrier and the immune system...
January 30, 2018: Journal of Visualized Experiments: JoVE
Stefano Fogli, Marzia Del Re, Eleonora Rofi, Chiara Posarelli, Michele Figus, Romano Danesi
Clinical efficacy of intravitreal anti-VEGF drugs has been widely demonstrated in several angiogenesis-driven eye diseases including diabetic macular edema and the neovascular form of age-related macular degeneration. Pegaptanib, ranibizumab, and aflibercept have been approved for use in the eye, whereas bevacizumab is widely used by ophthalmologists to treat patients "off-label". These drugs are active in the nanomolar to picomolar range; however, caution is required when establishing the rank order of affinity and potency due to in vitro inter-experimental variation...
February 5, 2018: Eye
David C Rees, Susan Robinson, Jo Howard
Sickle cell disease is one of the commonest serious inherited diseases in the world, and red cell transfusion is still one of the few effective treatments for acute and chronic complications. Transfusion corrects anaemia and dilutes out the number of red cells able to cause vaso-occlusion and vascular damage. Urgent red cell transfusions are used to correct acute anaemia, treat acute chest syndrome and patients with acute neurological symptoms. We use elective transfusions preoperatively for moderate risk surgery, and in some pregnant women...
January 29, 2018: British Journal of Haematology
Rahul S Kamath, Deepthi Sudhakar, Julianna G Gardner, Vagish Hemmige, Hossam Safar, Daniel M Musher
Background: Infections of skin and soft tissue (SSTI) commonly cause visits to hospital emergency departments (EDs). The Infectious Diseases Society of America (IDSA) has published guidelines for the management of SSTI, but it is unclear how closely these guidelines are followed in practice. Methods: We reviewed records of patients seen in the ED at a large tertiary care hospital to determine guidelines adherence in 4 important areas: the decision to hospitalize, choice of antibiotics, incision and drainage (I&D) of abscesses, and submission of specimens for culture...
January 2018: Open Forum Infectious Diseases
I Aznar, K Frankena, S J More, J O'Keeffe, G McGrath, M C M de Jong
In the UK and Ireland, Bacille Calmette-Guérin (BCG) vaccination of badgers has been suggested as one of a number of strategies to control or even eradicate Mycobacterium bovis infection in badgers. In this manuscript, we present the results of a badger field trial conducted in Ireland and discuss how the novel trial design and analytical methods allowed the effects of vaccination on protection against infection and, more importantly, on transmission to be estimated. The trial area was divided into three zones North to South (A, B and C) where vaccination coverages of 0, 50 and 100%, respectively, were applied...
January 1, 2018: Preventive Veterinary Medicine
Li Li, Vivian Barry, Stephane Daffis, Congrong Niu, Erik Huntzicker, Dorothy M French, Igor Mikaelian, Robert E Lanford, William E Delaney, Simon P Fletcher
BACKGROUND & AIMS: GS-9620, an oral agonist of toll-like receptor 7 (TLR7), is in clinical development for the treatment of chronic hepatitis B (CHB). GS-9620 was previously shown to induced prolonged suppression of serum viral DNA and antigens in the chimpanzee and woodchuck models of CHB. Here we investigated the immunomodulatory mechanisms underlying these antiviral effects. METHODS: Archived liver biopsies and paired PBMC samples from a previous chimpanzee study were analyzed by RNA-Seq, qRT-PCR, immunohistochemistry (IHC) and in situ hybridization (ISH)...
December 14, 2017: Journal of Hepatology
M Levcikova, J Breza, J Luha, J Dubravicky, E Kovacova, J Fillo
INTRODUCTION: TRT in men with testosterone deficiency syndrome (TDS) had multiple positive effects and restore a quality of life of affected men. Polyglobulia is the most common dose-limiting adverse effect of TRT, but the mechanisms of TRT-mediated erythropoesis remain unclear. In this study, we evaluated long term haematological side effects of TRT: polyglobulia, elevated hemoglobin (Hb) and haematocrit (Ht). METHODS: In a cross-sectional descriptive study, the authors treated 69 men with TDS and the average age 59 years and the follow-up period 81...
2017: Bratislavské Lekárske Listy
Bianca Pane, Valerio Gazzola, Giovanni Spinella, Paola Bagnato, Federica Grillo, Valerio Gaetano Vellone, Domenico Palombo
BACKGROUND: Ischemia/reperfusion (I/R) injury represents one of the most severe complications in vascular surgery where cross-clamping of the aorta and subsequent visceral ischemia are a recurrent issue. The literature describes a family of nuclear receptors, that is, peroxisome proliferator-activated receptors (PPARs), in particular PPARγ isoform, which are important modulators of vascular inflammation resulting from I/R injury. The aim of our study is to evaluate how PPARγ agonist administration could reduce local and systemic inflammatory response after I/R injury during aortic supraceliac clamping in animal model...
November 29, 2017: Annals of Vascular Surgery
M A Popot, M Jacobs, P Garcia, B Loup, J Guyonnet, P L Toutain, L Bailly-Chouriberry, Y Bonnaire
BACKGROUND: Tiludronate is a bisphosphonate drug marketed to treat different bone conditions in horses. OBJECTIVES: The goal of this study was to measure the plasma concentrations of tiludronate in a population of race and sport horses under field conditions, and using pharmacokinetic population modelling, to estimate detection times for doping control. STUDY DESIGN: Prospective cohort. METHODS: This study was conducted under field conditions on 39 race or sport horses diagnosed with bone conditions based on a lameness examination and treated with tiludronate...
December 1, 2017: Equine Veterinary Journal
Yimei Wang, Li Jin, Ying Song, Mao Zhang, Dan Shan, Yuli Liu, Meng Fang, Fengxiang Lv, Rui-Ping Xiao, Yan Zhang
Aims: Ischemic heart disease is a leading cause of morbidity and mortality worldwide. Although timely restoration of coronary blood flow (reperfusion) is the most effective therapeutics of myocardial infarction, reperfusion causes further cardiac damage, i.e. ischemia-reperfusion (I/R) injury. β-arrestins (Arrbs) have been traditionally defined as negative regulators of G protein-coupled receptor (GPCR) signalling, but recent studies have shown that they are essential for G protein-independent, GPCR-mediated biased signalling...
November 1, 2017: Cardiovascular Research
(no author information available yet)
No abstract text is available yet for this article.
October 5, 2017: Blood
Michael A Ellison, Christy M Gearheart, Christopher C Porter, Daniel R Ambruso
The cytokine interferon-γ (IFN-γ) is approved as a drug to treat chronic granulomatous disease (CGD) and osteopetrosis and is also used in hyperimmunoglobulin E syndromes. Patients with CGD have defects in proteins of the NOX2 NADPH oxidase system. This leads to reduced production of microbicidal ROS by PMNs and recurrent life threatening infections. The goal of this study was to better understand how IFN-γ might support phagocyte function in these diseases, and to obtain information that might expand potential uses for IFN-γ...
2017: PloS One
M Boutinaud, N Isaka, E Gandemer, P Lamberton, S Wiart, A I De Prado Taranilla, L M Sordillo, V Lollivier
The inhibition of prolactin release using cabergoline, a dopamine agonist, is an effective strategy to accelerate the changes in mammary secretion composition after drying-off. The objective of this study was to determine how cabergoline may affect mammary tissue remodeling during early involution. Holstein dairy cows were treated with either a single i.m. administration of 5.6 mg of cabergoline (Velactis, Ceva Santé Animale, Libourne, France, n = 7) or placebo (n = 7) at the time of drying-off. Mammary biopsy samples were collected 1 wk before drying-off (d -6), after 30 h of milk accumulation (d 1), and again 8 d following drying-off (d 8) to determine changes in gene expression, lactoferrin content, and cell turnover...
September 27, 2017: Journal of Dairy Science
Andreea Milasan, Gabriel Jean, François Dallaire, Jean-Claude Tardif, Yahye Merhi, Mary Sorci-Thomas, Catherine Martel
BACKGROUND: Subcutaneously injected lipid-free apoA-I (apolipoprotein A-I) reduces accumulation of lipid and immune cells within the aortic root of hypercholesterolemic mice without increasing high-density lipoprotein-cholesterol concentrations. Lymphatic vessels are now recognized as prerequisite players in the modulation of cholesterol removal from the artery wall in experimental conditions of plaque regression, and particular attention has been brought to the role of the collecting lymphatic vessels in early atherosclerosis-related lymphatic dysfunction...
September 22, 2017: Journal of the American Heart Association
Hideki Shimaoka, Shinsuke Takeno, Kenji Maki, Takahide Sasaki, Suguru Hasegawa, Yuichi Yamashita
Current therapy for rheumatoid arthritis (RA) relies on global suppression of the immune response or specific blockade of inflammatory cytokines. However, it is unclear how immunosuppressants affect patients with cancer. Therefore, in the present study, the effect of three biological agents, tofacitinib, anti-mouse IL-6 receptor antibody (MR16-1) and etanercept, which are used for the treatment of RA diseases, on a tumor-bearing mouse model was investigated. The effect of the three agents was examined using a mouse lung-metastasis model with the murine colon 26 cancer cell line...
September 2017: Oncology Letters
William R Strohl
As of May 1, 2017, 74 antibody-based molecules have been approved by a regulatory authority in a major market. Additionally, there are 70 and 575 antibody-based molecules in phase III and phase I/II clinical trials, respectively. These total 719 antibody-based clinical stage molecules include 493 naked IgGs, 87 antibody-drug conjugates, 61 bispecific antibodies, 37 total Fc fusion proteins, 17 radioimmunoglobulins, 13 antibody fragments, and 11 immunocytokines. New uses for these antibodies are being discovered each year...
August 18, 2017: Protein & Cell
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