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https://www.readbyqxmd.com/read/29327527/role-and-relevance-of-blood-pressure-variability-in-hypertension-related-co-morbidities
#1
Ashok Kumar, B C Kalmath, Georgi Abraham, Johann Christopher, Pln Kaparthi, Louie Fischer, Neeta Deshpande, N K Mishra, Praveen Raj, Rajesh Javerani, Ramesh Goyal, Reefa Dsouza, Shashank R Joshi
Despite maintaining mean blood pressure at optimal levels, cardiovascular complications still occur in hypertensive patients. Blood pressure variability (BPV) has been implicated as a prominent factor responsible for incurring this additional risk. In this review we attempted to generate a consensus on the importance of BPV in the hypertension management and to evaluate different therapeutic options available to reduce BPV. Panel comprising of 11 leading experts from India in different areas of clinical practice (including nephrology, diabetes and endocrinology, cardiology, and critical care medicine) was convened...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29321485/role-of-diffusion-weighted-imaging-in-the-discrimination-of-benign-and-metastatic-parotid-area-lymph-nodes-in-patients-with-nasopharyngeal-carcinoma
#2
Chuanben Chen, Zhizhong Lin, Youping Xiao, Penggang Bai, Qiuyuan Yue, Yunbin Chen, Lisha Chen
To assess the utility of apparent diffusion coefficient (ADC) determined on diffusion-weighted MR imaging (DWI) to differentiate between benign and malignant parotid area lymph nodes (PLN) in nasopharyngeal carcinoma (NPC) patients. Thirty-nine consecutive NPC patients with a total of 40 enlarged, biopsied PLNs underwent DWI examination. ADC values for benign and malignant PLNs were measured and compared. Receiver operating characteristic (ROC) curve analysis was to evaluate the optimal threshold level of ADC values for metastatic PLNs...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29305677/coupling-interval-variability-of-premature-ventricular-contractions-in-patients-with-different-underlying-pathology-an-insight-into-the-arrhythmia-mechanism
#3
Lennart J de Vries, Mihran Martirosyan, Ron T van Domburg, Sip A Wijchers, Tamas Géczy, Tamas Szili-Torok
PURPOSE: Coupling interval (CI) variability of premature ventricular contractions (PVCs) is influenced by the underlying arrhythmia mechanism. The aim of this study was to compare CI variability of PVCs in different myocardial disease entities, in order to gain insight into their arrhythmia mechanism. METHODS: Sixty-four patients with four underlying pathologies were included: idiopathic (n = 16), non-ischemic dilated cardiomyopathy (NIDCM) (n = 16), familial cardiomyopathy (PLN/LMNA) (n = 16), and post-MI (n = 16)-associated PVCs...
January 5, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29289551/role-of-tubulointerstitial-lesions-in-predicting-renal-outcome-among-pediatric-onset-lupus-nephritis-a-retrospective-cohort-study
#4
Chao-Yi Wu, Hui-Ping Chien, Huang-Yu Yang, Tsung-Chieh Yao, Min-Hua Tseng, Mei-Chin Yu, Kuo-Wei Yeh, Jing-Long Huang
BACKGROUND: Raising evidence suggested a prognostic utility of tubulointerstitial lesions in lupus nephritis (LN). The exact prevalence of tubulointerstitial abnormalities and its predictive value among pediatric onset systemic lupus erythematous (pSLE) cases, however, remained unknown. METHODS: Sixty-seven pSLE subjects diagnosed with LN with initial renal samples available were enrolled and followed for an average of 6.49 ± 3.06 years. Renal histology was evaluated according to the International Society of Nephrology/Renal Pathology Society classification, National Institute of Health classification and tubulointerstitial activity index (TIAI)...
December 15, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29284899/myometrium-invasion-tumour-size-and-lymphovascular-invasion-as-a-prognostic-factor-in-dissemination-of-pelvic-lymphatics-at-endometrial-carcinoma
#5
Nenad Lucic, Dragica Draganovic, Sanja Sibincic, Vesna Ecim-Zlojutro, Snjezana Milicevic
Objective: The aim of this work is to show the importance of the depth of myometrium invasion, tumour size and lymphovascular invasion as prognostic factors in dissemination of lymphatic nodes at endometrial carcinoma (CE). Materials and methods: In the period from 2010 to 2015 at the University Clinic for Gynecology and Obstetrics in Banja Luka, 221 endometrial cancer surgeries were done (laparatomy 184-83%, laparascopy 37-16,74%). Patients who had uterus bleeding in peri/postmenopause or those whose endometrium thickness was bigger than 5 mm which was established by ultrasound, or those who had in their cavum uteri pathological (PH) diagnosis, underwent fractional curettage (FC) or hysteroscopy in order to obtain pathohistological endometrium diagnosis...
October 2017: Medical Archives
https://www.readbyqxmd.com/read/29277680/liposome-induced-immunosuppression-and-tumor-growth-is-mediated-by-macrophages-and-mitigated-by-liposome-encapsulated-alendronate
#6
Robin Rajan, Manoj K Sabnani, Vikram Mavinkurve, Hilary Shmeeda, Hossein Mansouri, Sandrine Bonkoungou, Alexander D Le, Laurence M Wood, Alberto A Gabizon, Ninh M La-Beck
Liposomal nanoparticles are the most commonly used drug nano-delivery platforms. However, recent reports show that certain pegylated liposomal nanoparticles (PLNs) and polymeric nanoparticles have the potential to enhance tumor growth and inhibit antitumor immunity in murine cancer models. We sought herein to identify the mechanisms and determine whether PLN-associated immunosuppression and tumor growth can be reversed using alendronate, an immune modulatory drug. By conducting in vivo and ex vivo experiments with the immunocompetent TC-1 murine tumor model, we found that macrophages were the primary cells that internalized PLN in the tumor microenvironment and that PLN-induced tumor growth was dependent on macrophages...
December 22, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29243576/a-novel-polymer-lipid-hybrid-nanoparticle-for-the-improvement-of-topotecan-hydrochloride-physicochemical-properties
#7
Emanuelle Jesus Silva, Leonardo Gomes Souza, Luis Antonio Dantas Silva, Stephania Fleury Taveira, Raquel Ciffarello Guilger, Luciano Morais Liao, Luiz Henrique Keng Queiroz Junior, Mabio Joao Santana, Ricardo Neves Marreto
BACKGROUND: Topotecan (TPT) is a water-soluble derivate of camptothecin, which undergoes ring-opening hydrolysis in neutral solutions, leading to stability loss and poor cellular uptake. Lipid nanoencapsulation can improve TPT stability, and polymer-lipid hybrid nanoparticles (PLN) are interesting alternatives to improve TPT nanoencapsulation. OBJECTIVE: This study seeks to prepare complexes between the cationic TPT and the negatively charged dextran sulfate (DS) with a view of improving drug loading, chemical stability and release control...
December 14, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/29215597/application-of-pharmacokinetics-modelling-to-predict-human-exposure-of-a-cationic-liposomal-subunit-antigen-vaccine-system
#8
Raj K S Badhan, Swapnil Khadke, Yvonne Perrie
The pharmacokinetics of a liposomal subunit antigen vaccine system composed of the cationic lipid dimethyldioctadecylammonium bromide (DDA) and the immunostimulatory agent trehalose 6,6-dibehenate (TDB) (8:1 molar ratio) combined with the Ag85B-ESAT-6 (H1) antigen were modelled using mouse in-vivo data. Compartment modelling and physiologically based pharmacokinetics (PBPK) were used to predict the administration site (muscle) and target site (lymph) temporal concentration profiles and factors governing these...
December 7, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/29201138/implementation-and-use-of-cloud-based-electronic-lab-notebook-in-a-bioprocess-engineering-teaching-laboratory
#9
Erin M Riley, Holly Z Hattaway, P Arthur Felse
Background: Electronic lab notebooks (ELNs) are better equipped than paper lab notebooks (PLNs) to handle present-day life science and engineering experiments that generate large data sets and require high levels of data integrity. But limited training and a lack of workforce with ELN knowledge have restricted the use of ELN in academic and industry research laboratories which still rely on cumbersome PLNs for recordkeeping. We used LabArchives, a cloud-based ELN in our bioprocess engineering lab course to train students in electronic record keeping, good documentation practices (GDPs), and data integrity...
2017: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29177607/building-healthy-start-grantees-capacity-to-achieve-collective-impact-lessons-from-the-field
#10
Kimberly Bradley, Karuna S Chibber, Naima Cozier, Peggy Vander Meulen, Colleen Ayres-Griffin
Purpose While Healthy Start has emphasized the need for multi-sectorial community engagement and collaboration since its inception, in 2014 Healthy Start adopted Collective Impact (CI) as a framework for reducing infant mortality. This paper describes the development of a peer-focused capacity-building strategy that introduced key elements of CI and preliminary findings of Healthy Start grantees' progress with using CI as an approach to collaboration. Description The Collective Impact Peer Learning Networks (CI-PLNs) consisted of eight 90-min virtual monthly meetings and one face-to-face session that reviewed CI pre-conditions and conditions...
November 24, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/29173803/1h-detected-mas-solid-state-nmr-experiments-enable-the-simultaneous-mapping-of-rigid-and-dynamic-domains-of-membrane-proteins
#11
T Gopinath, Sarah E D Nelson, Gianluigi Veglia
Magic angle spinning (MAS) solid-state NMR (ssNMR) spectroscopy is emerging as a unique method for the atomic resolution structure determination of native membrane proteins in lipid bilayers. Although 13C-detected ssNMR experiments continue to play a major role, recent technological developments have made it possible to carry out 1H-detected experiments, boosting both sensitivity and resolution. Here, we describe a new set of 1H-detected hybrid pulse sequences that combine through-bond and through-space correlation elements into single experiments, enabling the simultaneous detection of rigid and dynamic domains of membrane proteins...
December 2017: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/29171088/comparison-of-single-averaged-and-pooled-urine-protein-creatinine-ratios-in-proteinuric-dogs-undergoing-medical-treatment
#12
S Shropshire, J Quimby, R Cerda
BACKGROUND: Monitoring urine protein:creatinine ratios (UPC) in dogs with protein-losing nephropathy (PLN) is challenging because of day-to-day variation in UPC results. HYPOTHESIS/OBJECTIVES: Determine whether single, averaged, or pooled samples from PLN dogs receiving medical treatment yield comparable UPCs, regardless of degree of proteinuria. ANIMALS: Twenty-five client-owned PLN dogs receiving medical treatment. METHODS: UPC ratios were prospectively measured in each dog utilizing 3 methods: single in-hospital sample (day 3), average sample (days 1-3), and pooled sample (equal pooling of urine from days 1-3)...
November 24, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29170662/salmonella-in-peripheral-lymph-nodes-of-healthy-cattle-at-slaughter
#13
Hattie E Webb, Dayna M Brichta-Harhay, Mindy M Brashears, Kendra K Nightingale, Terrance M Arthur, Joseph M Bosilevac, Norasak Kalchayanand, John W Schmidt, Rong Wang, Sophie A Granier, Tyson R Brown, Thomas S Edrington, Steven D Shackelford, Tommy L Wheeler, Guy H Loneragan
To more fully characterize the burden of Salmonella enterica in bovine peripheral lymph nodes (PLN), PLN (n = 5,450) were collected from healthy cattle at slaughter in 12 commercial abattoirs that slaughtered feedlot-fattened (FF) cattle exclusively (n = 7), cattle removed (or culled) from breeding herds (n = 3), or both FF and cull cattle (n = 2). Qualitative and quantitative methods were used to estimate prevalence and concentration of Salmonella in PLN. Isolates were subjected to a variety of phenotypic, serological, and molecular assays...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29156859/relationship-of-paratracheal-lymph-nodes-with-the-progression-of-chronic-autoimmune-thyroiditis-5-year-follow-up-results
#14
Gülhan Akbaba, Dilek Berker, Serhat Işık, Narin Nasıroğlu İmga, Ferit Kerim Küçükler, Yasemin Tütüncü, Serdar Güler
Background/aim: To examine changes in paratracheal lymph nodes (PLNs) and the relationship with the course of the disease in patients with chronic autoimmune thyroiditis (CAT) 5 years after diagnosis. Materials and methods: A total of 169 patients with newly diagnosed CAT and 53 healthy subjects were included in the study. All patients underwent ultrasonographic (US) examinations of the thyroid, paratracheal regions, and examined thyroid function tests. Eighty-four patients who were euthyroid at baseline and who were contacted 5 years after the diagnosis were reevaluated by US and thyroid function tests...
August 23, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29150445/the-antiapoptotic-protein-hax-1-mediates-half-of-phospholamban-s-inhibitory-activity-on-calcium-cycling-and-contractility-in-the-heart
#15
Philip A Bidwell, Kobra Haghighi, Evangelia G Kranias
The antiapoptotic protein HS-associated protein X-1 (HAX-1) localizes to sarcoplasmic reticulum (SR) in the heart and interacts with the small membrane protein phospholamban (PLN), inhibiting the cardiac sarco/endoplasmic reticulum calcium ATPase (SERCA2a) in the regulation of overall calcium handling and heart muscle contractility. However, because global HAX-1 deletion causes early lethality, how much endogenous HAX-1 contributes to PLN's inhibitory activity on calcium cycling is unknown. We therefore generated a cardiac-specific and inducible knockout mouse model...
November 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29140729/gene-expression-and-gene-associations-during-the-development-of-heart-failure-with-preserved-ejection-fraction-in-the-dahl-salt-sensitive-model-of-hypertension
#16
Jeffrey Yim, Hyokeun Cho, Simon W Rabkin
Gene expression and associations were examined in a model of heart failure with preserved ejection fraction (HFpEF), a condition with minimal effective treatment. Genes with at least two studies showing significant changes in Dahl rat with heart failure were examined by meta-analysis. Significantly increased in expression were iNOS, p47phox, ADM, ANP, OPN, ACE, MCP-1, GP91PHOX, ICAM-1, TGF-β1, CTGF, ET-1, p22phox, ETB, BNP, ETA, MMP13, Col1a1, MMP2, TIMP1, Col3a1, Il-1β, β-MHC, ECE1, MMP14, AGT, and MMP9...
November 15, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29127315/human-gingiva-derived-mesenchymal-stem-cells-ameliorate-streptozoticin-induced-t1dm-in-mice-via-suppression-of-t-effector-cells-and-up-regulating-treg-subsets
#17
Wei Zhang, Li Zhou, Junlong Dang, Ximei Zhang, Julie Wang, Yanming Chen, Jichao Liang, Dongqing Li, Jilin Ma, Jia Yuan, Weiwen Chen, Homayoun H Zadeh, Nancy Olsen, Song Guo Zheng
There is yet no cure for type 1 diabetes (T1DM) so far. A significant body of evidence has demonstrated that bone marrow-derived mesenchymal stem cells (BMSCs) showed great potential in controlling T1DM. But there exists much difficulty in using BMSCs as a clinical therapy. We here test whether a new population of mesenchymal stem cells from human gingiva (GMSCs), which has many advantages over BMSCs, can delay or prevent progress of T1DM. GMSCs were adoptively transferred to multiple low-dose streptozotocin (STZ)-induced T1DM...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29124488/t-helper-1-immune-response-in-metastatic-lymph-nodes-of-pancreatic-ductal-adenocarcinoma-a-marker-for-prolonged-survival
#18
Eran Nizri, Neta Sternbach, Shoshi Bar-David, Amir Ben-Yehuda, Fabian Gerstenhaber, Tali Ofir, Ido Wolf, Gilad Weiner, Guy Lahat, Joseph Klausner
BACKGROUND: Although lymph node (LN) metastases is considered a grave prognostic sign in pancreatic ductal adenocarcinoma (PDAC), patients with positive lymph nodes (PLN) constitute a heterogeneous group. Our purpose was to identify morphological and immune parameters in the primary tumor and in PLN of resected PDAC patients, which could further stratify these patients to different subgroups. METHODS: We retrospectively evaluated histological and immunohistochemical characteristics of 66 patients with PDAC who were operated at our institution...
November 9, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29119312/when-signalling-goes-wrong-pathogenic-variants-in-structural-and-signalling-proteins-causing-cardiomyopathies
#19
Mehroz Ehsan, He Jiang, Kate L Thomson, Katja Gehmlich
Cardiomyopathies are a diverse group of cardiac disorders with distinct phenotypes, depending on the proteins and pathways affected. A substantial proportion of cardiomyopathies are inherited and those will be the focus of this review article. With the wide application of high-throughput sequencing in the practice of clinical genetics, the roles of novel genes in cardiomyopathies are recognised. Here, we focus on a subgroup of cardiomyopathy genes [TTN, FHL1, CSRP3, FLNC and PLN, coding for Titin, Four and a Half LIM domain 1, Muscle LIM Protein, Filamin C and Phospholamban, respectively], which, despite their diverse biological functions, all have important signalling functions in the heart, suggesting that disturbances in signalling networks can contribute to cardiomyopathies...
November 8, 2017: Journal of Muscle Research and Cell Motility
https://www.readbyqxmd.com/read/29097999/clostridium-butyricum-cgmcc0313-1-protects-against-autoimmune-diabetes-by-modulating-intestinal-immune-homeostasis-and-inducing-pancreatic-regulatory-t-cells
#20
Lingling Jia, Kai Shan, Li-Long Pan, Ninghan Feng, Zhuwu Lv, Yajun Sun, Jiahong Li, Chengfei Wu, Hao Zhang, Wei Chen, Julien Diana, Jia Sun, Yong Q Chen
Recent evidence indicates that indigenous Clostridium species induce colonic regulatory T cells (Tregs), and gut lymphocytes are able to migrate to pancreatic islets in an inflammatory environment. Thus, we speculate that supplementation with the well-characterized probiotics Clostridium butyricum CGMCC0313.1 (CB0313.1) may induce pancreatic Tregs and consequently inhibit the diabetes incidence in non-obese diabetic (NOD) mice. CB0313.1 was administered daily to female NOD mice from 3 to 45 weeks of age. The control group received an equal volume of sterile water...
2017: Frontiers in Immunology
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