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https://www.readbyqxmd.com/read/28931218/aberrant-humoral-immune-responses-in-neurosyphilis-cxcl13-cxcr5-play-a-pivotal-role-for-b-cell-recruitment-to-the-cerebrospinal-fluid
#1
Qian Yu, Yuanyuan Cheng, Yuanyuan Wang, Cuini Wang, Haikong Lu, Zhifang Guan, Jian Huang, Weiming Gong, Mei Shi, Liyan Ni, Juan Wu, Ruirui Peng, Pingyu Zhou
Background: Previous studies documented that humoral immune responses participated in neurological damage in neurosyphilis patients. However, the mechanisms that trigger and maintain humoral immunity involved in neurosyphilis remain unknown. Methods: Using flow cytometry, expression of B cells was measured in neurosyphilis and non-neurosyphilis. Expression of immunoglobulin indices and chemokine ligand CXCL13 was detected by enzyme-linked immunosorbent assay. The migration and inhibition assays were evaluated by modified chamber assays...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931099/-treatment-of-chemotherapy-induced-febrile-neutropenia-in-solid-tumors
#2
Gabriella Gálffy
One of the most dangerous complications of bone marrow suppression due to chemotherapy is febrile neutropenia. The treatment of the affected patients is a multidisciplinary task. In addition to chemotherapy, adequate G-CSF therapy as a primary and secondary prophylaxis can be used to prevent a large part of febrile neutropenic events. Before each chemotherapy cycle, the risk of febrile neutropenia should be evaluated, taking into account the chemotherapeutic combination and patient-specific parameters. Appropriate antibiotic and G-CSF therapy initiated in the course of febrile neutropenia is essential for the success of the therapy...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28930915/microvesicle-subsets-in-sepsis-due-to-community-acquired-pneumonia-compared-to-faecal-peritonitis
#3
Hazem M S Lashin, Suchita Nadkarni, Silvia Oggero, Hefin R Jones, Julian C Knight, Charles J Hinds, Mauro Perretti
RATIONALE: Microvesicles (MV) act as a non-soluble means of inter-cellular communication, with effector roles in disease pathogenesis and potentially as biomarkers. Previously, we reported that neutrophil MV expressing alpha-2-macroglobulin (A2MG) are protective in experimental sepsis and associate with survival in a small cohort of patients with sepsis due to community acquired pneumonia (CAP). OBJECTIVES: To characterise MV profiles in sepsis due to CAP or faecal peritonitis (FP) and determine their relation to outcome...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930847/guillain-barr%C3%A3-like-axonal-polyneuropathy-associated-with-toscana-virus-infection-a-case-report
#4
Eugenia Rota, Nicola Morelli, Paolo Immovilli, Paola De Mitri, Donata Guidetti
RATIONALE: Numerous cases of post-infectious Guillain-Barré syndrome (GBS) have been reported in the literature. Toscana virus (TOSV) is an arthropod-borne emerging pathogen in the Mediterranean area. PATIENT CONCERNS: A 40-year-old male patient was admitted to hospital for acute facial weakness, associated to numbness paraesthesias at lower and upper limbs. The neurological examination revealed facial diplegia and reduced tendon reflexes. The nerve conduction studies documented an acute motor and sensory axonal neuropathy (AMSAN); the lumbar puncture detected albuminocytologic dissociation...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930774/high-levels-of-cerebrospinal-fluid-chemokines-point-to-the-presence-of-neuroinflammation-in-peripheral-neuropathic-pain-a-cross-sectional-study-of-two-cohorts-of-patients-compared-to-healthy-controls
#5
Emmanuel Bäckryd, Anne-Li Lind, Måns Thulin, Anders Larsson, Björn Gerdle, Torsten Gordh
Animal models suggest that chemokines are important mediators in the pathophysiology of neuropathic pain. Indeed, these substances have been called "gliotransmitters", a term that illustrates the close interplay between glial cells and neurons in the context of neuroinflammation and pain. However, evidence in humans is scarce. The aim of the study was to determine a comprehensive cerebrospinal fluid (CSF) inflammatory profile for neuropathic pain patients. Our hypothesis was that we would thereby find indications of a postulated on-going process of central neuroinflammation...
September 18, 2017: Pain
https://www.readbyqxmd.com/read/28930747/quantification-of-bisoprolol-and-metoprolol-in-simultaneous-human-serum-and-cerebrospinal-fluid-samples
#6
Ali Sigaroudi, Martina Kinzig, Oliver Wahl, Christoph Stelzer, Michael Schroeter, Uwe Fuhr, Ulrike Holzgrabe, Fritz Sörgel
BACKGROUND: Bisoprolol and metoprolol are moderately lipophilic, beta(1)-selective betablockers reported to cause adverse effects in the central nervous system (CNS), such as sleep disturbance, suggesting that both drugs may reach relevant concentrations in the brain. CNS beta(2)-receptor blockade has been suspected to be related to such effects. The higher molecular size of bisoprolol (325 Dalton) and the higher beta(1)-selectivity compared to metoprolol (267 Dalton) would suggest a lower rate of CNS effects...
September 21, 2017: Pharmacology
https://www.readbyqxmd.com/read/28929964/-investigation-of-bacterial-and-viral-etiology-in-community-acquired-central-nervous-system-infections-with-molecular-methods
#7
Hasip Kahraman, Alper Tünger, Şebnem Şenol, Hörü Gazi, Meltem Avcı, Bahar Örmen, Nesrin Türker, Sabri Atalay, Şükran Köse, Sercan Ulusoy, Meltem Işıkgöz Taşbakan, Oğuz Reşat Sipahi, Tansu Yamazhan, Zeynep Gülay, Sema Alp Çavuş, Hüsnü Pullukçu
In this multicenter prospective cohort study, it was aimed to evaluate the bacterial and viral etiology in community-acquired central nervous system infections by standart bacteriological culture and multiplex polymerase chain reaction (PCR) methods. Patients hospitalized with central nervous system infections between April 2012 and February 2014 were enrolled in the study. Demographic and clinical information of the patients were collected prospectively. Cerebrospinal fluid (CSF) samples of the patients were examined by standart bacteriological culture methods, bacterial multiplex PCR (Seeplex meningitis-B ACE Detection (Streptococcus pneumoniae, Neisseria meningitidis, Haemophilus influenzae, Listeria monocytogenes, Group B streptococci) and viral multiplex PCR (Seeplex meningitis-V1 ACE Detection kits herpes simplex virus-1 (HSV1), herpes simplex virus-2 (HSV2), varicella zoster virus (VZV), cytomegalovirus (CMV), Epstein Barr virus (EBV) and human herpes virus 6 (HHV6)) (Seeplex meningitis-V2 ACE Detection kit (enteroviruses))...
July 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28929378/external-ventricular-drains-after-subarachnoid-hemorrhage-is-less-more
#8
David Y Chung, Stephan A Mayer, Guy A Rordorf
External ventricular drains (EVD) are essential in the early management of hydrocephalus and elevated intracranial pressure after subarachnoid hemorrhage (SAH). Once in place, management of the EVD is thought to influence long-term patient outcomes, rates of ventriculitis, incidence of delayed cerebral ischemia, need for a ventriculoperitoneal shunt, and intensive care unit (ICU) and hospital length of stay. The available evidence supports adopting early clamp trials and intermittent cerebrospinal fluid (CSF) drainage...
September 19, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28929372/clinical-equivalence-with-g-csf-biosimilars-methodologic-approach-in-a-neo-adjuvant-setting-in-non-metastatic-breast-cancer
#9
REVIEW
A Krendyukov, M Schiestl, N Höbel, M Aapro
Biosimilars are biological medicines that have been shown to be similar to a reference biological medicine that has already been approved for use. Development of biosimilars is based on a "totality of evidence" approach that involves a series of steps by which biosimilars must demonstrate similarity to a reference product in all aspects of the drug and eliminate any remaining uncertainties. Clinical studies are then considered confirmatory and are performed to show that there are no clinically meaningful differences compared with the reference product in a sensitive patient population...
September 20, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28929079/spontaneous-recurrent-csf-rhinorrhoea-a-rare-case-and-review-of-literature
#10
Nishit Shah, C E Deopujari, Sunita Chhapola Shukla
Cerebrospinal fluid (CSF) rhinorrhoea is the leakage of CSF through the communication between the subarachnoid space and the nasal cavity. Surgical repair is indicated in all cases of spontaneous leaks, recurrent leaks, leaks that do not stop after conservative management and cases with history of meningitis. We present a rare case of spontaneous (delayed onset post traumatic) CSF rhinorrhoea with multiple defect sites, which was treated with an endonasal endoscopic repair. The patient was asymptomatic for 9 years after surgery, and then presented with a spontaneous left frontal recess CSF leak, which was closed using endonasal approach...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28928418/novel-and-classical-human-astroviruses-in-stool-and-cerebrospinal-fluid-comprehensive-screening-in-a-tertiary-care-hospital-switzerland
#11
Samuel Cordey, Diem-Lan Vu, Marie-Celine Zanella, Lara Turin, Aline Mamin, Laurent Kaiser
Classical human astroviruses (HAstV) are the third most common cause of non-bacterial acute gastroenteritis. Due to the lack of routine molecular assays, novel HAstV are underdiagnosed and the magnitude of their contribution to clinical disease remains unknown. To better understand their prevalence and the susceptible patient profile, we conducted a comprehensive screening of novel and classical HAstV in stool and cerebrospinal fluid (CSF) samples collected for clinical care in a tertiary care hospital using a specially designed rRT-PCR panel for the detection of novel (MLB1-3 and VA1-4) and classical HAstV...
September 20, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28927817/development-and-evaluation-of-a-two-step-multiplex-taqman-real-time-pcr-assay-for-detection-quantification-of-different-genospecies-of-borrelia-burgdorferi-sensu-lato
#12
Mónica Nunes, Ricardo Parreira, Teresa Carreira, João Inácio, Maria Luísa Vieira
Nowadays, at least four clinically important B. burgdorferi sensu lato (s.l.) genospecies (B. afzelii, B. garinii, B. burgdorferi sensu stricto (s.s.) and B. lusitaniae) circulate in Portugal. Each genospecies has a different tropism that resuls in a diverse array of clinical manifestations. The standard diagnostic procedure used is normally simple, nevertheless, during the "window-period" phase, in which specific antibodies cannot yet be detected, diagnosis becomes difficult, and calls for reliable, sensitive and specific laboratory methods, such as molecular tests...
September 11, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28927758/evaluation-of-proinflammatory-and-immunosuppressive-cytokines-in-blood-and-bone-marrow-of-healthy-hematopoietic-stem-cell-donors
#13
Wojciech Fidyk, Iwona Mitrus, Agnieszka Ciomber, Andrzej Smagur, Agata Chwieduk, Magdalena Głowala-Kosińska, Sebastian Giebel
INTRODUCTION: Cytokine composition of bone marrow microenvironment in comparison to blood is poorly explored. The goal of this study was to investigate the levels of cytokines present in peripheral blood and bone marrow of healthy hematopoietic stem cells donors. The data obtained on this subject with addition to cytometric analysis can provide new insight into the hematopoietic stem cells microenvironment. METHODOLOGY: Study consisted of cytokine concentration analysis performed by ELISA tests of peripheral blood of healthy peripheral blood stem cells donors and bone marrow of healthy bone marrow donors...
September 15, 2017: Cytokine
https://www.readbyqxmd.com/read/28927234/metabolic-profiling-of-central-nervous-system-disease-in-trypanosoma-brucei-rhodesiense-infection
#14
Sabrina D Lamour, Vincent P Alibu, Elaine Holmes, Jeremy M Sternberg
Background: The progression of Human African Trypanosomiasis from the early hemolymphatic stage to the late meningoencephalitic stage is of critical diagnostic importance as it determines the choice of potentially toxic drug regimens. Current diagnostic criteria involving analysis of cerebrospinal fluid (CSF) for parasites and/or pleiocytosis are sensitive, but recent evidence suggests that specificity may be poor. Methods: We used an untargeted global metabolic profiling approach for the discovery of novel candidate stage diagnostic markers in CSF from Trypanosoma brucei rhodesiense patients using 1H nuclear magnetic resonance (NMR) spectroscopy...
September 12, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28927211/a-pivotal-randomized-clinical-trial-evaluating-the-safety-and-effectiveness-of-a-novel-hydrogel-dural-sealant-as-an-adjunct-to-dural-repair
#15
Michael J Strong, G Alexander West, Henry Woo, Daniel E Couture, John A Wilson, Lorenzo F Munoz, Charles L Rosen, Jeremy D Greenlee, Harry R van Loveren, Mark Iantosca, Clinton J Baird, Mark Smith, Matt McGirt, Jonathan Parish, Anthony L Asher
BACKGROUND: A watertight dural repair is critical to minimizing the risk of postoperative complications secondary to cerebrospinal fluid (CSF) leaks. OBJECTIVE: To evaluate the safety and efficacy of a novel hydrogel, Adherus Dural Sealant, when compared with control, DuraSeal Dural Sealant System, as an adjunct to standard methods of dural repair. METHODS: In this 17-center, prospective, randomized clinical trial designed as a noninferiority, single-blinded study, 124 patients received Adherus Dural Sealant (test sealant) and 126 received DuraSeal (control)...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28926186/levels-of-beta-trace-protein-in-optic-disc-pit-with-macular-detachment
#16
Karim Makdoumi, Torbjörn K Nilsson, Sven Crafoord
BACKGROUND: To report beta-trace protein (βTP) levels in the subretinal fluid (SRF) of four patients with a macular detachment associated with optic disc pit (ODP). METHODS: Four patients with a serous retinal detachment involving the macula was operated by pars plana vitrectomy (PPV) with C2 F6 gas tamponade and peeling of internal limiting membrane (ILM). Patients with a follow-up period exceeding one year postoperatively were included in the study. The SRF was drained using a fine cannula without laser photocoagulation, and the samples were analysed using particle-enhancing nephelometry...
September 19, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28926039/tuning-linkage-isomerism-and-magnetic-properties-of-bi-and-tri-metallic-cage-silsesquioxanes-by-cation-and-solvent-effects
#17
Alexey N Bilyachenko, Alexander A Korlyukov, Anna V Vologzhanina, Victor N Khrustalev, Alena N Kulakova, Jérôme Long, Joulia Larionova, Yannick Guari, Marina S Dronova, Ulyana S Tsareva, Pavel V Dorovatovskii, Elena S Shubina, Mikhail M Levitsky
Herein, the effect of replacement of the surrounding solvent and/or the partial substitution of sodium ions in the cage-like copper, sodium phenylsilsesquioxane [(PhSiO1.5)12(CuO)4(NaO0.5)4(n-BuOH)6] 1 with a globular structure was investigated; the synthesis of ten new derivatives of complex 1 was performed, and their crystal structures were determined. Solvate replacement of n-butanol in 1 with dimethyl sulfoxide, acetonitrile, 1,4-dioxane/EtOH, and 1,4-dioxane/PhCN afforded the complexes [(PhSiO1.5)12(CuO)4(NaO0...
September 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28924877/diagnostic-approach-to-neurotransmitter-monoamine-disorders-experience-from-clinical-biochemical-and-genetic-profiles
#18
Alice Kuster, Jean-Baptiste Arnoux, Magalie Barth, Delphine Lamireau, Nada Houcinat, Cyril Goizet, Bérénice Doray, Stéphanie Gobin, Manuel Schiff, Aline Cano, Daniel Amsallem, Christine Barnerias, Boris Chaumette, Marion Plaze, Abdelhamid Slama, Christine Ioos, Isabelle Desguerre, Anne-Sophie Lebre, Pascale de Lonlay, Laurence Christa
BACKGROUND AND AIM: To improve the diagnostic work-up of patients with diverse neurological diseases, we have elaborated specific clinical and CSF neurotransmitter patterns. METHODS: Neurotransmitter determinations in CSF from 1200 patients revealed abnormal values in 228 (19%) cases. In 54/228 (24%) patients, a final diagnosis was identified. RESULTS: We have reported primary (30/54, 56%) and secondary (24/54, 44%) monoamine neurotransmitter disorders...
September 18, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28924483/thyroidectomy-for-the-treatment-of-graves-thyrotoxicosis-in-thioamide-induced-agranulocytosis-and-sepsis
#19
Colin L Knight, Shamil D Cooray, Jaideep Kulkarni, Michael Borschmann, Mark Kotowicz
A 51 year old man presented with sepsis in the setting of thioamide-induced agranulocytosis. Empiric broad-spectrum antibiotics was followed by directed narrow-spectrum antibiotics, and his neutrophil count recovered with support from granulocyte-colony stimulating factor (G-CSF) analogue transfusions. After a brief period of multi-modal therapy for nine days including potassium iodide (Lugol's iodine), cholestyramine, propanolol and lithium to temper his persisting hyperthyroidism, a total thyroidectomy was performed while thyroid hormone levels remained at thyrotoxic levels...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28923424/depletion-of-regulatory-t-cells-by-anti-icos-antibody-enhances-anti-tumor-immunity-of-tumor-cell-vaccine-in-prostate-cancer
#20
Lijun Mo, Qianmei Chen, Xinji Zhang, Xiaojun Shi, Lili Wei, Dianpeng Zheng, Hongwei Li, Jimin Gao, Jinlong Li, Zhiming Hu
ICOS(+)Treg cells exert important immunosuppressive effects in tumor immunity. We adopt a combination approach of ICOS(+)Treg cells depletion with tumor cell vaccine to evaluate anti-tumor immunity in mouse prostate cancer model. Streptavidin (SA)-mGM-CSF surface-modified RM-1 cells were prepared as the vaccine and the mouse subcutaneous prostate tumor model was used to evaluate the immunity. Tumor growth, flow cytometry, immunohistochemistry, immunofluorescence and enzyme linked immunosorbent assay (ELISA) were performed to evaluate the therapeutic effects...
September 15, 2017: Vaccine
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