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https://www.readbyqxmd.com/read/29043608/limitations-of-high-throughput-methods-for-mirna-expression-profiles-in-non-functioning-pituitary-adenomas
#1
O Darvasi, P M Szabo, K Nemeth, K Szabo, S Spisak, I Liko, S Czirjak, K Racz, P Igaz, A Patocs, Henriett Butz
Microarray, RT-qPCR based arrays and next-generation-sequencing (NGS) are available high-throughput methods for miRNA profiling (miRNome). Analytical and biological performance of these methods were tested in identification of biologically relevant miRNAs in non-functioning pituitary adenomas (NFPA). miRNome of 4 normal pituitary (NP) and 8 NFPA samples was determined by these platforms and expression of 21 individual miRNAs was measured on 30 (20 NFPA and 10 NP) independent samples. Complex bioinformatics was used...
October 18, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29041845/relationship-between-oxidative-stress-and-erectile-function
#2
Thierry Roumeguère, Pierre Van Antwerpen, Henda Fathi, Alexandre Rousseau, Luc Vanhamme, Thierry Franck, Carla Costa, Annamaria Morelli, Christophe Lelubre, Claude Hauzeur, Martine Raes, Didier Serteyn, Eric Wespes, Michel Vanhaeverbeek, Karim Zouaoui Boudjeltia
The aim of this study was to investigate markers of inflammation and oxidative stress in the corpus cavernosum (CC) and to compare levels of inflammatory markers recorded in CC to venous blood from the arm to examine the potential impact of inflammatory parameters on erectile function and endothelial dysfunction in vitro. Ninety-seven patients with no complaint of erectile dysfunction (ED) at inclusion were prospectively included and completed the Erectile Function domain of the IIEF questionnaire. Several parameters, including lipids, MPO-dependent oxidized LDL (Mox-LDL), IL-8, IL-18, were measured...
October 17, 2017: Free Radical Research
https://www.readbyqxmd.com/read/29040332/the-developmental-programme-for-genesis-of-the-entire-kidney-is-recapitulated-in-wilms-tumour
#3
Ryuji Fukuzawa, Matthew R Anaka, Ian M Morison, Anthony E Reeve
Wilms tumour (WT) is an embryonal tumour that recapitulates kidney development. The normal kidney is formed from two distinct embryological origins: the metanephric mesenchyme (MM) and the ureteric bud (UB). It is generally accepted that WT arises from precursor cells in the MM; however whether UB-equivalent structures participate in tumorigenesis is uncertain. To address the question of the involvement of UB, we assessed 55 Wilms tumours for the molecular features of MM and UB using gene expression profiling, immunohistochemsitry and immunofluorescence...
2017: PloS One
https://www.readbyqxmd.com/read/29038991/pathophysiological-and-therapeutic-implications-in-patients-with-atrial-fibrillation-and-heart-failure
#4
REVIEW
Felix Hohendanner, F R Heinzel, F Blaschke, B M Pieske, W Haverkamp, H L Boldt, A S Parwani
Heart failure and atrial fibrillation are common and responsible for significant mortality of patients. Both share the same risk factors like hypertension, ischemic heart disease, diabetes, obesity, arteriosclerosis, and age. A variety of microscopic and macroscopic changes favor the genesis of atrial fibrillation in patients with preexisting heart failure, altered subcellular Ca(2+) homeostasis leading to increased cellular automaticity as well as concomitant fibrosis that are induced by pressure/volume overload and altered neurohumoral states...
October 16, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/29035975/breath-hydrogen-testing-in-east-and-southeast-asia
#5
Chu Kion Yao, Natural Hoi Sing Chu, Victoria Ping Yi Tan
Breath hydrogen tests are popular, noninvasive tests for the assessment of carbohydrate fermentation in patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD). There is limited information regarding the utility of breath hydrogen and methane tests in IBS and FD patients in East and Southeast Asia. This review aims to summarize current literature about common indications of breath testing in this region, the genesis of functional gastrointestinal symptoms by provocative breath testing and provide suggestions for correct use...
October 13, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29035123/physiopathology-and-genetics-in-aspirin-exacerbated-respiratory-disease
#6
Gandhi F Pavón-Romero, Fernando Ramírez-Jiménez, Marco Alejandro Roldán-Alvarez, Luis M Terán, Ramcés Falfán-Valencia
INTRODUCTION: Aspirin-exacerbated respiratory disease (AERD) is a clinical entity characterized by hypersensitivity to aspirin leading to asthma and chronic rhinosinusitis with nasosinusal polyposis. The pathophysiology of the disease involves disruption at the level of arachidonic acid metabolism. Therefore, genetic association studies have been focused on the genes coding this pathway. As other mechanisms involved in the genesis of the disease were elucidated, the corresponding genes were also explored...
October 16, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29033811/altered-local-spatiotemporal-consistency-of-resting-state-bold-signals-in-patients-with-generalized-tonic-clonic-seizures
#7
Shuai Ma, Sisi Jiang, Rui Peng, Qiong Zhu, Hongbin Sun, Jianfu Li, Xiaoyan Jia, Ilan Goldberg, Liang Yu, Cheng Luo
The purpose of this study was to evaluate the spatiotemporal Consistency of spontaneous activities in local brain regions in patients with generalized tonic-clonic seizures (GTCS). The resting-state fMRI data were acquired from nineteen patients with GTCS and twenty-two matched healthy subjects. FOur-dimensional (spatiotemporal) Consistency of local neural Activities (FOCA) metric was used to analyze the spontaneous activity in whole brain. The FOCA difference between two groups were detected using a two sample t-test analysis...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/29032492/stent-unzipping-using-an-ultra-high-pressure-balloon-in-vitro-and-animal-experiments
#8
Kazuto Fujimoto, Takanari Fujii, Yoshihito Hata, Suguru Tarui, Yoshinori Miyahara, Kozo Ishino, Hideshi Tomita
As a child grows, limitations to the maximum dilatable stent diameter (MDD) will result in stenosis associated with size mismatch. If an implanted stent can be intentionally fractured along its length, a process called "unzipping," it may eventually be redilated to adult vessel size. Few studies have addressed how a stent can be unzipped using an ultra-high-pressure balloon (UHB) with the smallest balloon diameter. Eleven commercially available stents, three Liberté stents (LS), six genesis renal stents (GS), and two express vascular SD stents (ES), were tested for in vitro unzipping...
October 14, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29031790/what-are-purkinje-cells-and-do-they-have-a-role-in-the-genesis-of-atrial-fibrillation
#9
EDITORIAL
Robert H Anderson
No abstract text is available yet for this article.
October 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29029162/aberrant-global-and-jagged-mediated-notch-signaling-disrupts-segregation-between-wt1-expressing-and-steroidogenic-tissues-in-zebrafish
#10
Chih-Wei Chou, Jamie Lin, Yun-Jin Jiang, Yi-Wen Liu
Though the zebrafish interrenal tissue has been used as a model for steroidogenesis and genesis of the adrenal gland, its specification and morphogenesis is still largely unclear. In this study, we explored how the WT1-expressing cells are segregated from the SF-1-expressing steroidogenic cells in the zebrafish model. The interrenal tissue precursors expressing ff1b, the equivalent of mammalian SF-1, are derived from wt1-expressing pronephric primordia in the zebrafish embryo. Through histochemistry and in situ hybridization, we demonstrated that the size of functionally-differentiated interrenal tissue was significantly increased upon a global inhibition of the Notch signaling pathway, which was accompanied by a disrupted segregation between the wt1- and ff1b-expressing cells...
September 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/29028533/triclosan-caffeic-acid-hybrids-synthesis-leishmanicidal-trypanocidal-and-cytotoxic-activities
#11
Elver Otero, Elisa García, Genesis Palacios, Lina M Yepes, Miguel Carda, Raúl Agut, Iván D Vélez, Wilson I Cardona, Sara M Robledo
The synthesis, cytotoxicity, anti-leishmanial and anti-trypanosomal activities of twelve triclosan-caffeic acid hybrids are described herein. The structure of the synthesized products was elucidated by a combination of spectrometric analyses. The synthesized compounds were evaluated against amastigotes forms of L. (V) panamensis, which is the most prevalent Leishmania species in Colombia, and against Trypanosoma cruzi, which is the pathogenic species to humans. Cytotoxicity was evaluated against human U-937 macrophages...
September 29, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29027858/role-of-the-temporal-pole-in-temporal-lobe-epilepsy-seizure-networks-an-intracranial-electrode-investigation
#12
Taylor J Abel, Royce W Woodroffe, Kirill V Nourski, Toshio Moritani, Aristides A Capizzano, Patricia Kirby, Hiroto Kawasaki, Matthew Howard, Mary Ann Werz
OBJECTIVE A convergence of clinical research suggests that the temporal pole (TP) plays an important and potentially underappreciated role in the genesis and propagation of seizures in temporal lobe epilepsy (TLE). Understanding its role is becoming increasingly important because selective resections for medically intractable TLE spare temporopolar cortex (TPC). The purpose of this study was to characterize the role of the TPC in TLE after using dense electrocorticography (ECoG) recordings in patients undergoing invasive monitoring for medically intractable TLE...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29026272/incidence-of-diabetes-mellitus-and-neoplasia-in-japanese-short-statured-children-treated-with-growth-hormone-in-the-genetics-and-neuroendocrinology-of-short-stature-international-study-genesis
#13
Susumu Yokoya, Tomonobu Hasegawa, Keiichi Ozono, Hiroyuki Tanaka, Susumu Kanzaki, Toshiaki Tanaka, Kazuo Chihara, Nan Jia, Christopher J Child, Katsuichiro Ihara, Jumpei Funai, Noriyuki Iwamoto, Yoshiki Seino
The primary goal of the Genetics and Neuroendocrinology of Short Stature International Study (GeNeSIS) was to assess the safety and effectiveness of Humatrope(®), a GH preparation, in the treatment of pediatric patients with short stature. We report our findings in the GH-treated Japanese pediatric population focusing on the incidence of type 2 diabetes (T2D) and occurrence of neoplasms. A total of 2,345 Japanese patients were assessed for safety. During a mean observation period of 3.2 yr, T2D occurred in 3 patients (0...
2017: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/29024842/peritoneal-carcinomatosis-like-implants-of-extramedullary-hematopoiesis-an-insolite-occurrence-during-splenectomy-for-myelofibrosis
#14
Marco Casaccia, Rosario Fornaro, Marco Frascio, Denise Palombo, Cesare Stabilini, Emma Firpo, Ezio Gianetta
INTRODUCTION: Primary myelofibrosis (MF) is a myeloproliferative neoplasm that results in debilitating constitutional symptoms, splenomegaly, and cytopenias. In patients with symptomatic splenomegaly, splenectomy remains a viable treatment option for MF patients with medically refractory symptomatic splenomegaly that precludes the use of ruxolitinib. CASE PRESENTATION: We present the clinical case of a patient who was admitted to our Department to perform a splenectomy in MF as a therapeutic step prior to an allogeneic stem cell transplantation (ASCT)...
October 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29024284/how-do-people-with-long-term-mental-health-problems-negotiate-relationships-with-network-members-at-times-of-crisis
#15
Sandra Walker, Anne Kennedy, Ivaylo Vassilev, Anne Rogers
BACKGROUND: Social network processes impact on the genesis and management of mental health problems. There is currently less understanding of the way people negotiate networked relationships in times of crisis compared to how they manage at other times. OBJECTIVE: This paper explores the patterns and nature of personal network involvement at times of crises and how these may differ from day-to-day networks of recovery and maintenance. METHOD: Semi-structured interviews with 25 participants with a diagnosis of long-term mental health (MH) problems drawn from recovery settings in the south of England...
October 10, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/29023935/exosome-mir-335-as-a-novel-therapeutic-strategy-in-hepatocellular-carcinoma
#16
Fang Wang, Tian Hongwei, Ling Li, Klaus Piontek, Masazumi Sakaguchi, Florin M Selaru
Hepatocellular Cancer (HCC) is a common and deadly cancer. Most cases of HCC arise in a cirrhotic/fibrotic liver, raising the possibility that the environment plays a paramount role in cancer genesis. Previous studies from our group and others have shown that, in desmoplastic cancers, there is a rich intercellular communication between activated, cancer-associated fibroblasts (CAF) and cancer cells. Moreover, Extracellular Vesicles (EVs), or exosomes, were identified asan important arm of this intercellular communication platform...
October 10, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29022185/biological-pathological-functions-of-the-cxcl12-cxcr4-cxcr7-axes-in-the-pathogenesis-of-bladder-cancer
#17
REVIEW
Alireza Nazari, Hossein Khorramdelazad, Gholamhossein Hassanshahi
CXC chemokine ligand 12 (CXCL12) is an important member of the CXC subfamily of chemokines, and has been extensively studied in various human body organs and systems, both in physiological and clinical states. Ligation of CXCL12 to CXCR4 and CXCR7 as its receptors on peripheral immune cells gives rise to pleiotropic activities. CXCL12 itself is a highly effective chemoattractant which conservatively attracts lymphocytes and monocytes, whereas there exists no evidence to show attraction for neutrophils. CXCL12 regulates inflammation, neo-vascularization, metastasis, and tumor growth, phenomena which are all pivotally involved in cancer development and further metastasis...
October 11, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29021084/association-between-epstein-barr-virus-ebv-and-cervical-carcinoma-a-meta-analysis
#18
REVIEW
Marcos Antonio Pereira de Lima, Pedro Januário Nascimento Neto, Lívia Peixoto Moreira Lima, Jucier Gonçalves Júnior, Antonio Gilvan Teixeira Junior, Ilara Parente Pinheiro Teodoro, Heberty Tarso Facundo, Cláudio Gleidiston Lima da Silva, Marcos Venício Alves Lima
Human papillomavirus (HPV) has been implicated as a major factor in cervical carcinogenesis. However, many pieces of evidence gathered over the last two decades suggest Epstein-Barr virus (EBV) plays a secondary role in this process. The purpose of the present meta-analysis was to determine whether the presence of EBV infection increases the risk of cervical carcinoma. Based on 25 articles, the analysis yielded a 33.44% overall pooled prevalence of EBV. The pooled prevalence was higher in patients with carcinoma (43...
October 9, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29021003/seasonality-in-multiple-maternities
#19
Johan Fellman
In the 19th century, a series of international statistical congresses introduced common rules for the national demographic registers. This activity contributed to the genesis of statistical research. During the history of twin research, Hellin's law has played a central role because it is an approximately correct association between the rates of multiple maternities. However, it has been mathematically proven that Hellin's law cannot hold exactly. The majority of all studies of Hellin's law are based on empirical rates of multiple maternities...
October 12, 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/29019819/a-research-of-pyogenic-granuloma-genesis-factor-with-immunohistochemical-analysis
#20
Si Hyun Park, Jun Ho Lee, Min Sung Tak, Hyun Ju Lee, Hwan Jun Choi
Pyogenic granuloma (PG) is a type of vascular tumor for which the growth mechanism is poorly understood. Estrogen and progesterone may influence vascular malformations by increasing neovascularization in the lesions. Pregnancy tumor is a term for PG that occurs on the gingival mucosa of pregnant women in response to local irritation or injury. The etiology and pathogenesis of this phenomenon are not fully understood. Hormonal imbalance has been hypothesized to be responsible for the development of gingival hyper-reactive inflammatory responses...
October 10, 2017: Journal of Craniofacial Surgery
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