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clinical micro review

Varun K Phadke, Rachel J Friedman-Moraco, Brian C Quigley, Alton B Farris, J P Norvell
BACKGROUND: Herpesvirus infections often complicate the clinical course of patients with inflammatory bowel disease; however, invasive disease due to herpes simplex virus is distinctly uncommon. METHODS: We present a case of herpes simplex virus colitis and hepatitis, review all the previously published cases of herpes simplex virus colitis, and discuss common clinical features and outcomes. We also discuss the epidemiology, clinical manifestations, diagnosis, and management of herpes simplex virus infections, focusing specifically on patients with inflammatory bowel disease...
October 2016: Medicine (Baltimore)
M B Rehman, B V Tudrej, J Soustre, M Buisson, P Archambault, D Pouchain, H Vaillant-Roussel, F Gueyffier, J-L Faillie, M-C Perault-Pochat, C Cornu, R Boussageon
BACKGROUND: Guidelines for type 2 diabetes (T2D) recommend reducing HbA1c through lifestyle interventions and glucose-lowering drugs (metformin, then combination with dipeptidyl peptidase-4 inhibitors [DPP-4Is] among other glucose-lowering drugs). However, no double-blind randomized clinical trial (RCT) compared with placebo has so far demonstrated that DDP-4Is reduce micro- and macrovascular complications in T2D. Moreover, the safety of DPP-4Is (with increased heart failure and acute pancreatitis) remains controversial...
October 10, 2016: Diabetes & Metabolism
Dimitrios Zardavas, Konstantinos Tryfonidis, Theodora Goulioti, Martine Piccart
INTRODUCTION: The potential of molecular targeted therapy to improve the clinical outcomes of patients with early-stage breast cancer (BC) as adjuvant therapy has been first demonstrated through endocrine treatment. The introduction of HER2 blockade, through the successful clinical development of trastuzumab, changed the natural history of HER2-positive BC subtype. AREAS COVERED: There are ongoing efforts to augment further the use of targeted agents as adjuvant treatment in BC, hoping that early introduction of targeted therapy blocking key oncogenic drivers of micro-residual disease, will significantly improve clinical outcomes...
October 14, 2016: Expert Review of Anticancer Therapy
A K Keränen, M Haapea, T Rissanen
Purpose: To assess the visibility of breast micro-calcifications using ultrasonography (US) and the accuracy and clinical usefulness of vacuum-assisted biopsy (VAB) using US guidance (USVAB) as compared to stereotactic guidance (SVAB). Materials and Methods: The study material comprised 158 retrospectively reviewed micro-calcification cases examined with US before VAB. The pre-biopsy US positivity frequency distributions were calculated, and the sensitivity, specificity and accuracy of VAB determined by comparing VAB histology with the surgical pathology or a 12-month follow-up...
October 2016: Ultraschall in der Medizin
Feifei Pu, Fengxia Chen, Zengwu Shao
MicroRNAs are a group of small non-coding RNAs that play a complex role in post-transcriptional gene expression and can be used for diagnosis, prognosis, and targeted treatment. Despite advances in diagnosis and treatment of chondrosarcoma, its underpinning molecular mechanisms still remain elusive. Given the recent increasing knowledge base of micro RNA (miRNA) roles in neoplasia, both as oncogenes and tumor suppressor genes, this review will focus on discussing the available data on expression profiles and potential roles of miRNA in chondrosarcoma...
October 11, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Jean-Baptiste Charrier, Nathan Moreau
INTRODUCTION: Facial symmetry has always been a longstanding objective of orthognathic surgery. Patients that present significant facial asymmetry desire functional dental occlusion but also seek to enhance their facial esthetics. In that regard, different surgical techniques have been proposed to enhance facial recontouring. MATERIALS AND METHODS: Through a clinical case report and a literature review, this article explores the use of allopastic microporous titanium implants in volumetric corrections of the face...
September 2016: L' Orthodontie Française
Freek R van de Schoor, Vincent L Aengevaeren, Maria T E Hopman, David L Oxborough, Keith P George, Paul D Thompson, Thijs M H Eijsvogels
Myocardial fibrosis (MF) is a common phenomenon in the late stages of diverse cardiac diseases and is a predictive factor for sudden cardiac death. Myocardial fibrosis detected by magnetic resonance imaging has also been reported in athletes. Regular exercise improves cardiovascular health, but there may be a limit of benefit in the exercise dose-response relationship. Intense exercise training could induce pathologic cardiac remodeling, ultimately leading to MF, but the clinical implications of MF in athletes are unknown...
October 6, 2016: Mayo Clinic Proceedings
Xiao-Lei Wang, Lin Tao, Xian-Li Zhou, Hong Wei, Jia-Wei Sun
OBJECTIVES: Breast cancer is a heterogeneous disease consisting of distinct histopathological subtypes with different clinical outcomes. In this article, we identified the automated breast volume scanning (ABVS) and shear wave velocity (SWV) characteristics of different pathological types of breast carcinoma. METHODS: A retrospective review of both ABVS and SWV imaging of 118 consecutive breast masses was performed. The imaging features of both techniques were assessed with reference to histopathological results...
October 5, 2016: Breast: Official Journal of the European Society of Mastology
Kjell E Oberg, Steven Wj Lamberts
Acromegaly is a hormonal disorder that arises when the pituitary gland secretes excess growth hormone (GH), which in turn stimulates a concomitant increase in serum insulin-like growth factor 1 (IGF-1) levels. Gastroenteropancreatic neuroendocrine tumours (GEP-NET) constitute a heterogeneous group of tumours that can secrete serotonin and a variety of peptide hormones that may cause characteristic symptoms known as carcinoid syndrome, or other symptoms and hormonal hypersecretion syndromes depending on the tumour's site of origin...
October 3, 2016: Endocrine-related Cancer
Yong Soo Hur, Eun Kyung Ryu, San Hyun Yoon, Kyung Sil Lim, Won Don Lee, Jin Ho Lim
OBJECTIVE: This study was conducted to compare the effects of static culture, dynamic culture, and the combination of dynamic culture with specialized surfaces involving co-culture on human embryonic development. Embryos cultured using conventional static culture (SC) techniques served as a control group. We compared dynamic culture using micro-vibration culture (MVC) and micro-vibration with co-culture (MCoC), in which autologous cumulus cells were used as a specialized surface. METHODS: We conducted a chart review of patients who were treated between January 2011 and November 2014 in order to compare embryonic development rates and pregnancy rates among the groups...
September 2016: Clinical and Experimental Reproductive Medicine
Caroline Wilson, Hannah Brown, Ingunn Holen
Multiple factors influence the survival of disseminated breast tumour cells (DTCs) in bone. Whilst gene signature studies have identified genes that predict a propensity of tumours to metastasise to bone, the bone environment is key in determining the fate of these tumour cells. Breast cancer cells locate to specific niches within the bone that support their survival, regulated by host factors within the bone microenvironment including bone cells, cells of the bone micro vasculature, immune cells and the extracellular matrix...
September 29, 2016: Endocrine-related Cancer
Consolato Sergi, Oana Caluseriu, Hunter McColl, David D Eisenstat
On the occasion of the 100(th) anniversary of Dr. Harald Hirschsprung's death, there is a worldwide significant research effort towards identifying and understanding the role of genes and biochemical pathways involved in the pathogenesis as well as the use of new therapies for the disease harboring his name (Hirschsprung disease, HSCR). HSCR (aganglionic megacolon) is a frequent diagnostic and clinical challenge in perinatology and pediatric surgery, and a major cause of neonatal intestinal obstruction. HSCR is characterized by the absence of ganglia of the enteric nervous system, mostly in the distal gastrointestinal tract (GIT)...
September 28, 2016: Pediatric Research
Daniel Peckham, Thomas Scambler, Sinisa Savic, Michael F McDermott
Immune-mediated autoinflammatory diseases are occupying an increasingly prominent position among the pantheon of debilitating conditions that afflict mankind. This review focuses on some of the key developments which have occurred since the original description of autoinflammatory disease in 1999, and focuses on underlying mechanisms that trigger autoinflammation. The monogenic autoinflammatory disease range has expanded considerably during that time, and now includes a broad spectrum of disorders, including relatively common conditions such as cystic fibrosis and subsets of systemic lupus erythematosus...
September 29, 2016: Journal of Pathology
May Griffith, Mohammad M Islam, Joel Edin, Georgia Papapavlou, Oleksiy Buznyk, Hirak K Patra
Biomaterials are now being used or evaluated clinically as implants to supplement the severe shortage of available human donor organs. To date, however, such implants have mainly been developed as scaffolds to promote the regeneration of failing organs due to old age or congenital malformations. In the real world, however, infection or immunological issues often compromise patients. For example, bacterial and viral infections can result in uncontrolled immunopathological damage and lead to organ failure. Hence, there is a need for biomaterials and implants that not only promote regeneration but also address issues that are specific to compromised patients, such as infection and inflammation...
2016: Frontiers in Bioengineering and Biotechnology
Ji-Hye Kim, Cheonga Yee, Jin-Yi Kuk, Suk-Joo Choi, Soo-Young Oh, Cheong-Rae Roh, Jong-Hwa Kim
Pregnant women with antiphospholipid syndrome (APS) carry a high risk of arterial or venous thrombosis. Such thrombotic conditions occur more frequently in patients with triple positivity to antiphospholipid antibodies or with high antibody titers. Hepatic infarction is a rare complication in pregnant women with APS, and it sometimes mimics HELLP syndrome. This report describes a preeclamptic pregnant woman with APS who had high titers of three antiphospholipid antibodies. She experienced severe epigastric pain with elevated liver enzymes; in addition, she had tachycardia and tachypnea...
September 2016: Obstetrics & Gynecology Science
Sihem Ait-Oudhia, Meric Ayse Ovacik, Donald E Mager
Pharmacokinetic (PK) and pharmacodynamic (PD) models seek to describe the temporal pattern of drug exposures and their associated pharmacological effects produced at micro- and macro-scales of organization. Antibody-based drugs have been developed for a large variety of diseases, with effects exhibited through a comprehensive range of mechanisms of action. Mechanism-based PK/PD and systems pharmacology models can play a major role in elucidating and integrating complex antibody pharmacological properties, such as nonlinear disposition and dynamical intracellular signaling pathways triggered by ligation to their cognate targets...
September 23, 2016: MAbs
Carrie S Shemanko
Prolactin and prolactin receptor signaling and function are complex in nature and intricate in function. Basic, pre-clinical and translational research has opened up our eyes to the understanding that prolactin and prolactin receptor signaling function differently within different cellular contexts and microenvironmental conditions. Its multiple roles in normal physiology are subverted in cancer initiation and progression, and gradually we are teasing out the intricacies of function and therapeutic value. Recently, we observed that prolactin has a role in accelerating the time to bone metastasis in breast cancer patients and identified the mechanism by which prolactin stimulated breast cancer cell-mediated lytic osteoclast formation...
November 2016: Journal of Molecular Endocrinology
Mohammad Rahimi-Madiseh, Afsaneh Malekpour-Tehrani, Mahmoud Bahmani, Mahmoud Rafieian-Kopaei
Diabetes mellitus can damage the eyes, kidneys, nerves and heart. Microvascular and macrovascular disorders are the leading causes of morbidity and mortality in diabetic patients. Hyperglycemia can increase the indicators of lipid peroxidation and oxidative stress in which free radicals have the main role in the pathogenesis of these complications. Therefore, antioxidants which combat oxidative stress should be able to prevent and repair free radicals induced damages. Although free radicals contribute to kidney damage, atherosclerosis, diabetes, heart disease, nephrotoxicity and hepatotoxicity; however, clinical trials do not uniquely confirm a substantial impact on diabetic damage...
September 2016: Asian Pacific Journal of Tropical Medicine
Kathene C Johnson-Henry, Thomas R Abrahamsson, Richard You Wu, Philip M Sherman
Necrotizing enterocolitis (NEC) is a devastating intestinal disease in preterm infants characterized by barrier disruption, intestinal microbial dysbiosis, and persistent inflammation of the colon, which results in high mortality rates. Current strategies used to manage this disease are not sufficient, although the use of human breast milk reduces the risk of NEC. Mother's milk is regarded as a fundamental nutritional source for neonates, but pasteurization of donor breast milk affects the composition of bioactive compounds...
September 2016: Advances in Nutrition
Gianmarco De Donato, Giulia Mazzitelli, Umberto Ruzzi, Mariagnese Mele, Marco Tadiello, Giovanni Giannace, Francesco Setacci, Giuseppe Galzerano, Carlo Setacci
Data from randomized controlled trials (RCTs) demonstrated significant differences between carotid artery stenting (CAS) and carotid endarterectomy (CEA) in terms of early neurological outcomes (from 0 to 30 days), although mid- and long-term neurological results are indistinguishable. CAS in symptomatic standard risk patients is coupled with a higher risk of any stroke, and death or any stroke at 30 days, while the rates of disabling or major stroke do not vary remarkably between treatments. Since the micro-embolization through the stent struts is the primary suspected cause of suspected early postoperative neurological complications (i...
December 2016: Journal of Cardiovascular Surgery
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