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https://www.readbyqxmd.com/read/29159203/varicella-zoster-virus-infected-cerebrovascular-cells-produce-a-proinflammatory-environment
#1
Dallas Jones, C Preston Neff, Brent E Palmer, Kurt Stenmark, Maria A Nagel
Objective: To test whether varicella zoster virus (VZV) infection of human brain vascular cells and of lung fibroblasts directly increases proinflammatory cytokine levels, consistent with VZV as a causative agent in intracerebral VZV vasculopathy and giant-cell arteritis (GCA). Methods: Conditioned supernatant from mock- and VZV-infected human brain vascular adventitial fibroblasts (HBVAFs), human perineurial cells (HPNCs), human brain vascular smooth muscle cells (HBVSMCs), and human fetal lung fibroblasts (HFLs) were collected at 72 hours postinfection and analyzed for levels of 30 proinflammatory cytokines using the Meso Scale Discovery Multiplex ELISA platform...
September 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/29157841/acute-management-of-high-energy-lisfranc-injuries-a-simple-approach
#2
Dolfi Herscovici, Julia M Scaduto
INTRODUCTION: The aims of this study were to (1) describe the use of the K-wire for the initial management of high-energy Lisfranc dislocations or fracture dislocations, (2) to evaluate whether this standalone technique allowed for adequate reduction of these injuries, (3) to evaluate whether reductions were maintained until definitive fixation was performed, (4) and to determine if it contributed to any increase in complications prior to or after definitive fixation. PATIENTS AND METHODS: A retrospective review was performed on all patients who presented with tarsometatarsal injuries from January 2005 through June 2015...
November 16, 2017: Injury
https://www.readbyqxmd.com/read/29155927/specialized-fungal-parasites-reduce-fitness-of-their-lichen-hosts
#3
Sonia Merinero, Yngvar Gauslaa
Background and aims: Understanding to what extent parasites affect host fitness is a focus of research on ecological interactions. Fungal parasites usually affect the functions of vascular plants. However, parasitic interactions comprising effects of fungal parasites on the fitness of lichen hosts are less well known. This study assesses the effects of the abundance of two highly specialized gall-forming fungi on growth of their two respective lichen hosts and tests whether these fungal parasites reduce lichen fitness...
November 16, 2017: Annals of Botany
https://www.readbyqxmd.com/read/29155693/clostridium-perfringens-panophthalmitis-after-intravitreal-anti-vascular-endothelial-growth-factor-injection
#4
Swarupa Kancherla, Ahmara Ross, Susan T Stefko, Joseph N Martel
PURPOSE: This report describes a fulminant infection with Clostridium perfringens after an intravitreal anti-vascular endothelial growth factor injection. METHODS: This is a retrospective case review. RESULTS: Our patient's rapid infection eventually led to enucleation, despite broad-spectrum antibiotic therapy. CONCLUSION: Reporting rare causes and common clinical findings of C. perfringens ocular infection may lead to earlier detection and intervention...
November 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29155268/new-5-factor-modified-frailty-index-using-american-college-of-surgeons-nsqip-data
#5
Sneha Subramaniam, Jeffrey J Aalberg, Rainier P Soriano, Celia M Divino
BACKGROUND: The modified frailty index (mFI-11) is a NSQIP based 11-factor index that has been proven to adequately reflect frailty and predict mortality and morbidity. These 11 factors, made of 16 variables, map to the original 70 item Canada Study of Health and Aging Frailty Index. In the past years, certain NSQIP variables have been removed from the database; as of 2015, only 5 out of the original 11 factors remain. The predictive power and usefulness of these five factors in an index (mFI-5) have not been proven in past literature...
November 16, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29152379/interplay-of-neuronal-and-non-neuronal-genes-regulates-intestinal-daf-16-mediated-immune-response-during-fusarium-infection-of-caenorhabditis-elegans
#6
Papri Nag, Pooja Rani Aggarwal, Sudip Ghosh, Kanika Narula, Rajul Tayal, Nidhi Maheshwari, Niranjan Chakraborty, Subhra Chakraborty
Although precisely controlled innate immune response is governed by conserved cellular events in phylogenetically diverse hosts, the underlying molecular mechanisms by which this process is regulated against a multi-host pathogen remain unknown. Fusarium oxysporum is a model multi-host pathogen, known to be associated with neuronal stress in humans and vascular wilt in plants. The interaction between innate immune and neuronal pathways is the basis of many diverse biological responses. How these processes are coordinated in response to fungal disease is not well understood...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/29151910/role-and-importance-of-the-expression-of-transcription-factor-foxc2-in-cervical-cancer
#7
Jing Wang, Xiujuan Yue
The aim of the present study was to investigate the relationship between the expression of transcription factor forkhead box C2 (FOXC2) and the clinical features of cervical cancer. A total of 66 patients with cervical cancer, 42 patients with cervical intraepithelial neoplasia (CIN) and 25 patients with cervical inflammation were enrolled. The positive expression rates and expression levels of mRNA of FOXC2, E-cadherin, N-cadherin, vascular endothelial growth factor (VEGF), stromal cell-derived factor-1 (SDF-1), Notch protein and lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1) in cervical tissues were detected using immunohistochemistry and RT-PCR...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29151798/how-to-deal-with-penile-carcinoma-inguinal-metastases-invading-femoral-vessels
#8
Marius Fodor, Bogdan Petrut, Lucian Fodor
Penile cancer accounts for 1-10% of men neoplastic diseases and 30-60% of patients have inguinal metastases at the time of diagnosis. Inguinal metastases of penile cancer with femoral vessel involvement could lead to vascular fistula and hemorrhagic shock. We present 3 consecutive patients with inguinal metastases of penile cancer complicated by infection and hemorrhage from femoral vessels invaded by the tumor. Simultaneous extra-anatomical axillo-femoral bypass graft, wide excision of tumor and groin defect reconstruction was used to achieve "tumor-free" oncologic aim and to save the lower limb...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29150938/regulation-of-calcification-in-human-aortic-smooth-muscle-cells-infected-with-high-glucose-treated-porphyromonas-gingivalis
#9
Te-Chuan Chen, Chien-Tsong Lin, Shao-Ju Chien, Shun-Fu Chang, Cheng-Nan Chen
Porphyromonas (P.) gingivalis infection leading to the periodontitis has been associated with the development of systemic diseases, including cardiovascular diseases and diabetes. However, the effect of a high concentration of glucose (HG) on the invasion efficiency of P. gingivalis and the consequent modulation of pathogenesis in vascular cells, especially in the vascular smooth muscle cells (VSMCs), remains unclear. Hence, the aim of this study was to investigate whether treating P. gingivalis with HG could change its invasion capability and result in VSMC calcification and the underlying mechanism...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150518/molecular-characterization-of-an-endozoicomonas-like-organism-causing-infection-in-king-scallop-pecten-maximus-l
#10
Irene Cano, Ronny van Aerle, Stuart Ross, David W Verner-Jeffreys, Richard K Paley, Georgina Rimmer, David Ryder, Patrick Hooper, David Stone, Stephen W Feist
One of the fastest growing fisheries in the UK is the king scallop Pecten maximus L., also currently rated as the second most valuable. Mass mortality events in scallops have been reported world-wide, often with the causative agent(s) remaining uncharacterized. In May 2013 and 2014, two mass mortality events affecting king scallops were recorded in the Lyme Bay Marine Protected Area (MPA), in South West England. Histopathological examination showed gill epithelial tissues infected with intracellular microcolonies of bacteria (IMC), resembling rickettsia-like organisms (RLOs), often with bacteria released in vascular spaces...
November 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29149434/enhancement-of-therapeutic-dna-vaccine-potency-by-melatonin-through-inhibiting-vegf-expression-and-induction-of-antitumor-immunity-mediated-by-cd8-t-cells
#11
Sanaz Baghban Rahimi, Alireza Mohebbi, Gelareh Vakilzadeh, Peyvand Biglari, Soodeh Razeghi Jahromi, Seyed Reza Mohebi, Sadegh Shirian, Ali Gorji, Amir Ghaemi
To be effective, therapeutic cancer vaccines should stimulate both an effective cell-mediated and a robust cytotoxic CD8+ T-cell response against human papillomavirus (HPV)-infected cells to treat the pre-existing tumors and prevent potential future tumors. In this study, the therapeutic experiments were designed in order to evaluate antitumor effect against the syngeneic TC-1 tumor model. The anti-tumor efficacy of a HPV-16 E7 DNA vaccine adjuvanted with melatonin (MLT) was evaluated in a C57BL/6 mouse tumor model by measuring tumor growth post vaccination and the survival rate of tumor-bearing mice, analyzing the specific lymphocyte proliferation responses in control and vaccinated mice by MTT assay...
November 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29148022/hemodialysis-versus-peritoneal-dialysis-an-observational-study-in-two-international-centers
#12
Renhua Lu, Carla Estremadoyro, Xiaohuan Chen, Mingli Zhu, Leonardo C Ribeiro, Yucheng Yan, Alessandra Brendolan, Wei Fang, Carlo Crepaldi, Zhaohui Ni, Leyi Gu, Claudio Ronco
INTRODUCTION: Given that it is difficult to randomize end-stage renal disease (ESRD) patients to either hemodialysis (HD) or peritoneal dialysis (PD), differences between these renal replacement therapy (RRT) modalities are of major interest and remain controversial. METHODS: All data on maintenance dialysis patients during 2009 to 2013 in the Renji Hospital in Shanghai, China and in the San Bortolo Hospital in Vicenza, Italy were selected. Patients who changed their therapy from HD to PD or PD to HD during this study were excluded...
November 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29148007/how-to-treat-arteriovenous-graft-infection-total-versus-partial-graft-excision
#13
Suh Min Kim, Seung-Kee Min, Sanghyun Ahn, Sang-Il Min, Jongwon Ha, Jung Kee Chung
INTRODUCTION: Arteriovenous graft (AVG) infection can result in life-threatening sepsis and loss of vascular access. A retrospective study was performed to establish an appropriate treatment strategy for AVG infection. METHODS: A total of 50 cases of AVG infection were treated between January 2005 and June 2016. The surgical methods used were total graft excision (TGE) (n = 34), or partial graft excision (PGE) with interposition graft (n = 16). RESULTS: Infection was noted at a puncture site (n = 22), a prior incision for surgery or endovascular therapy (n = 20), and abandoned (currently unused) grafts (n = 5)...
November 11, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29147813/noninvasive-induction-of-angiogenesis-in-tissues-by-external-suction-sequential-optimization-for-use-in-reconstructive-surgery
#14
G Giatsidis, L Cheng, A Haddad, K Ji, J Succar, L Lancerotto, J Lujan-Hernandez, P Fiorina, H Matsumine, D P Orgill
In reconstructive surgery, tissues are routinely transferred to repair a defect caused by trauma, cancer, chronic diseases, or congenital malformations; surgical transfer intrinsically impairs metabolic supply to tissues placing a risk of ischemia-related complications such as necrosis, impaired healing, or infection. Pre-surgical induction of angiogenesis in tissues (preconditioning) can limit postsurgical ischemic complications and improve outcomes, but very few preconditioning strategies have successfully been translated to clinical practice due to the invasiveness of most proposed approaches, their suboptimal effects, and their challenging regulatory approval...
November 17, 2017: Angiogenesis
https://www.readbyqxmd.com/read/29147641/severity-of-acute-zika-virus-infection-a-prospective-emergency-room-surveillance-study-during-the-2015-2016-outbreak-in-suriname
#15
Pieter Vroon, Jimmy Roosblad, Fauzia Poese, Jan Wilschut, John Codrington, Stephen Vreden, Rens Zonneveld
Acute Zika virus (ZIKV) infection is usually mild and self-limiting. Earlier, we reported three cases of fatal acute ZIKV infection in patients without typical signs of ZIKV, but rather with criteria of systemic inflammation response syndrome (SIRS). To follow up these observations, we prospectively included patients at the emergency room with temperature instability and suspected to have acute ZIKV infection, SIRS, or both. A total of 102 patients were included of whom N = 21 (21%) were suspected of acute ZIKV infection, N = 56 (55%) of acute ZIKV infection with SIRS criteria, and N = 25 (24%) of SIRS alone...
2017: IDCases
https://www.readbyqxmd.com/read/29144021/quantitative-extracellular-matrix-proteomics-suggests-cell-wall-reprogramming-in-host-specific-immunity-during-vascular-wilt-caused-by-fusarium-oxysporum-in-chickpea
#16
Eman Elagamey, Kanika Narula, Arunima Sinha, Sudip Ghosh, Magdi A E Abdellatef, Niranjan Chakraborty, Subhra Chakraborty
Extracellular matrix (ECM) is the unique organelle that perceives stress signals and reprograms molecular events of host cell during patho-stress. However, our understanding of how ECM dictates plant immunity is largely unknown. Vascular wilt caused by the soil borne filamentous fungus Fusarium oxysporum is a major impediment for global crop productivity. To elucidate the role of ECM proteins and molecular mechanism associated with cell wall mediated immunity, the temporal changes of ECM proteome was studied in vascular wilt resistant chickpea cultivar upon F...
November 16, 2017: Proteomics
https://www.readbyqxmd.com/read/29143659/effect-of-heartworm-disease-and-heartworm-associated-respiratory-disease-hard-on-the-right-ventricle-of-cats
#17
Randolph L Winter, A Ray Dillon, Russell C Cattley, Byron L Blagburn, D Michael Tillson, Calvin M Johnson, William R Brawner, Elizabeth G Welles, Sharon Barney
BACKGROUND: Dirofilaria immitis infection occurs in dogs and cats, both of which species are clinically affected by mature adult infections. Cats are uniquely affected by immature-adult infections with an inflammatory pulmonary disease called Heartworm-Associated Respiratory Disease (HARD). D. immitis infection causes pulmonary parenchymal and vascular pathology in the dog and cat. Dogs develop pulmonary hypertension and cor pulmonale, whereas the development of pulmonary hypertension is rare in the cat...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143319/the-full-spectrum-of-castleman-disease-273-patients-studied-over-20%C3%A2-years
#18
Eric Oksenhendler, David Boutboul, David Fajgenbaum, Adrien Mirouse, Claire Fieschi, Marion Malphettes, Laetitia Vercellino, Véronique Meignin, Laurence Gérard, Lionel Galicier
The spectrum of Castleman disease (CD) has considerably extended since its first description in 1956. Recently, an international collaborative working group has reached consensus on the diagnostic criteria and classification of CD. We herein report 273 patients with lymph node histopathology consistent with CD and investigate the newly established diagnostic criteria. Twenty of these patients with Castleman-like histopathology were removed from analyses, because they were diagnosed with an exclusionary disorder (18 with haematological malignancy)...
November 16, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/29142978/severe-adverse-effects-associated-with-corticosteroid-treatment-in-patients-with-iga-nephropathy
#19
Qingqing Cai, Xinfang Xie, Jinwei Wang, Sufang Shi, Lijun Liu, Yuqing Chen, Jicheng Lv, Hong Zhang
Introduction: Few data are available on the risk of SAEs in corticosteroid users in IgAN populations. We describe the prevalence and risk factors of corticosteroid-related SAEs in a Chinese cohort. Methods: A total of 1034 IgAN patients were followed up in our renal center from 2003 to 2014. Prevalence of corticosteroid use and corticosteroid-related SAEs were noted. Logistic regression was used to search for risk factors of SAEs in corticosteroid users. Results: Of the 369 patients with steroids therapy, 46 patients (12...
July 2017: KI Reports
https://www.readbyqxmd.com/read/29142942/complement-activation-induces-neutrophil-adhesion-and-neutrophil-platelet-aggregate-formation-on-vascular-endothelial-cells
#20
Magdalena Riedl, Damien G Noone, Meraj A Khan, Fred G Pluthero, Walter H A Kahr, Nades Palaniyar, Christoph Licht
Introduction: Atypical hemolytic uremic syndrome is a thrombotic microangiopathy, which is linked to hereditary or autoimmune defects in complement activators or regulators present in blood and on vascular endothelial cells. Acute thrombotic microangiopathy episodes are typically preceded by infections, which by themselves would not be expected to manifest HUS. Thus, it is possible that the host immune response contributes to the precipitation of aHUS. However, the mechanisms involved are not fully understood...
January 2017: KI Reports
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