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https://www.readbyqxmd.com/read/28340200/cytokines-profile-in-immunocompetent-mice-during-trichosporon-asahii-infection
#1
Alexandra M Montoya, Gloria M González, Azalia M Martinez-Castilla, Sonia A Aguilar, Moises A Franco-Molina, Erika Coronado-Cerda, Adrián G Rosas-Taraco
Trichosporon asahii is an opportunistic yeastlike fungus commonly associated with systemic infections in immunocompromised patients. Neutropenia is recognized as the main risk factor in infections by T. asahii; however, little is known about the cytokine response during trichosporonosis. Here, we evaluated systemic and local cytokine production and histological damage in immunocompetent mice during systemic infection with T. asahii. We found a significant increased presence of G-CSF, TNF-α, IFN-γ, and IL-6 in sera samples...
March 15, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28334553/a-multi-matrix-hilic-ms-ms-method-for-the-quantitation-of-endogenous-small-molecule-neurological-biomarker-n-acetyl-aspartic-acid-naa
#2
Dewakar Sangaraju, Sheerin K Shahidi-Latham, Braydon L Burgess, Brian Dean, Xiao Ding
A multi-matrix hydrophilic interaction liquid chromatography tandem mass spectrometric method (HILIC-MS/MS) was developed for the quantitation of N-Acetyl Aspartic acid (NAA) using stable isotope labeled internal standard, D3-NAA in various biological matrices such as human plasma, human CSF, mouse plasma, brain and spinal cord. A high throughput 96-well plate format supported liquid extraction (SLE) procedure was developed and used for sample preparation. Mass spectrometric analysis of NAA was performed using selected reaction monitoring transitions in positive electrospray ionization mode...
March 14, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28332262/haploidentical-peripheral-blood-stem-cell-transplantation-without-irradiation-or-busulfan-after-reduced-intensity-conditioning-for-kmt2a-mll-rearranged-infant-b-cell-precursor-acute-lymphoblastic-leukemia-report-of-two-cases
#3
Ai Yoshimi, Keisuke Kato, Sho Hosaka, Ryoko Suzuki, Hiroko Fukushima, Tomohei Nakao, Chie Kobayashi, Takashi Fukushima, Kazutoshi Koike, Ryo Sumazaki, Masahiro Tsuchida
We present two infants with KMT2A(MLL)-gene-R-associated BCP-ALL, who received HLA haploidentical PBSCT after RIC. The patients developed ALL at age 6 months and 3 months, respectively. Case 1 underwent PBSCT at the second CR with detectable KMT2A-AFF1(MLL-AF4) fusion gene transcript at 11 months of age, and Case 2 at the first CR without KMT2A-MLLT1(MLL-ENL) fusion gene transcript at 8 months of age. Both patients received G-CSF-mobilized unmanipulated peripheral blood mononuclear cells from their HLA haploidentical mothers after administration of FLU, MEL, and ATG...
March 22, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28329096/diffuse-white-matter-signal-abnormalities-on-magnetic-resonance-imaging-are-associated-with-human-immunodeficiency-virus-type-1-viral-escape-in-the-central-nervous-system-among-patients-with-neurological-symptoms
#4
Ruthiran Kugathasan, Dami A Collier, Lewis J Haddow, Kate El Bouzidi, Simon G Edwards, Jonathan D Cartledge, Robert F Miller, Ravindra K Gupta
Background.: Human immunodeficiency virus type 1 (HIV-1) can replicate independently in extravascular compartments such as the central nervous system, resulting in either cerebrospinal fluid (CSF) discordance (viral load [VL] in CSF 0.5 log10 copies HIV-1 RNA greater than plasma VL) or escape (detection of HIV VL >50 copies/mL in CSF in patients with suppressed plasma VL <50 copies/mL). Both discordance and escape may be associated with neurological symptoms. We explored risk factors for CSF discordance and escape in patients presenting with diverse neurological problems...
March 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28328129/the-phenotypic-spectrum-of-congenital-zika-syndrome
#5
Miguel Del Campo, Ian M L Feitosa, Erlane M Ribeiro, Dafne D G Horovitz, André L S Pessoa, Giovanny V A França, Alfredo García-Alix, Maria J R Doriqui, Hector Y C Wanderley, Maria V T Sanseverino, João I C F Neri, João M Pina-Neto, Emerson S Santos, Islane Verçosa, Mirlene C S P Cernach, Paula F V Medeiros, Saile C Kerbage, André A Silva, Vanessa van der Linden, Celina M T Martelli, Marli T Cordeiro, Rafael Dhalia, Fernanda S L Vianna, Cesar G Victora, Denise P Cavalcanti, Lavinia Schuler-Faccini
In October 2015, Zika virus (ZIKV) outbreak the Brazilian Ministry of Health (MoH). In response, the Brazilian Society of Medical Genetics established a task force (SBGM-ZETF) to study the phenotype of infants born with microcephaly due to ZIKV congenital infection and delineate the phenotypic spectrum of this newly recognized teratogen. This study was based on the clinical evaluation and neuroimaging of 83 infants born during the period from July, 2015 to March, 2016 and registered by the SBGM-ZETF. All 83 infants had significant findings on neuroimaging consistent with ZIKV congenital infection and 12 had confirmed ZIKV IgM in CSF...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28324747/optimal-dose-reduction-of-folfirinox-for-preserving-tumour-response-in-advanced-pancreatic-cancer-using-cumulative-relative-dose-intensity
#6
Jong-Chan Lee, Jin Won Kim, Soyeon Ahn, Hyoung Woo Kim, Jongchan Lee, Young Hoon Kim, Kyu-Hyun Paik, Jaihwan Kim, Jin-Hyeok Hwang
BACKGROUND: FOLFIRINOX has increased efficacy but also toxicity. Despite various modified FOLFIRINOX regimens, how much reduction is acceptable remains unclear. This study aimed to find the optimal relative dose intensity (RDI, %) of FOLFIRINOX that preserves tumour responses in patients with advanced pancreatic cancer (PC). METHODS: We reviewed 201 patients with PC treated with first-line FOLFIRINOX during 2012-2015. We established a modified Hryniuk model (http://www...
March 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28324680/somatic-complications-of-epilepsy-surgery-over-25-years-at-a-single-center
#7
Inuka K Gooneratne, Shahidul Mannan, Jane de Tisi, Juan C Gonzalez, Andrew W McEvoy, Anna Miserocchi, Beate Diehl, Tim Wehner, Gail S Bell, Josemir W Sander, John S Duncan
INTRODUCTION: Epilepsy surgery is an effective treatment for refractory focal epilepsy. Risks of surgery need to be considered when advising individuals of treatment options. We describe the frequency and nature of physical adverse events associated with epilepsy surgery in a single center. MATERIAL AND METHODS: We reviewed the prospectively maintained records of adults who underwent epilepsy surgery at our center between 1990 and 2014 to identify peri/postsurgical adverse events...
March 1, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28323901/characterization-of-stromal-vascular-fraction-and-adipose-stem-cells-from-subcutaneous-preperitoneal-and-visceral-morbidly-obese-human-adipose-tissue-depots
#8
Karina Ribeiro Silva, Isis Côrtes, Sally Liechocki, João Regis Ivar Carneiro, Antônio Augusto Peixoto Souza, Radovan Borojevic, Clarissa Menezes Maya-Monteiro, Leandra Santos Baptista
BACKGROUND/OBJECTIVES: The pathological condition of obesity is accompanied by a dysfunctional adipose tissue. We postulate that subcutaneous, preperitoneal and visceral obese abdominal white adipose tissue depots could have stromal vascular fractions (SVF) with distinct composition and adipose stem cells (ASC) that would differentially account for the pathogenesis of obesity. METHODS: In order to evaluate the distribution of SVF subpopulations, samples of subcutaneous, preperitoneal and visceral adipose tissues from morbidly obese women (n = 12, BMI: 46...
2017: PloS One
https://www.readbyqxmd.com/read/28323004/fresh-or-cryopreserved-cd34-selected-mobilized-peripheral-blood-stem-and-progenitor-cells-for-the-treatment-of-poor-graft-function-following-allogeneic-hematopoietic-cell-transplantation
#9
Armin Ghobadi, Mark A Fiala, Giridharan Ramsingh, Feng Gao, Camille N Abboud, Keith Stockerl-Goldstein, Geoffrey L Uy, Brenda J Grossman, Peter Westervelt, John F DiPersio
CD34(+)-selected stem cell boost (SCB) without conditioning have recently been utilized for poor graft function (PGF) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) with promising results. Unfortunately, many patients have been unable to receive the boost infusion as their donors were unwilling or unable to undergo an additional stem cell collection. Therefore, we conducted this study utilizing either fresh or cryopreserved peripheral blood stem cell products to create CD34(+)-selected boost infusions for the treatment of PGF...
March 17, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28321384/operative-strategies-to-minimize-complications-following-resection-of-pituitary-macroadenomas
#10
Jayesh P Thawani, Ashwin G Ramayya, Jared M Pisapia, Kalil G Abdullah, John Y-K Lee, M Sean Grady
Introduction We sought to identify factors associated with increased length of stay (LOS) and morbidity in patients undergoing resection of pituitary macroadenomas. Methods We reviewed records of 203 consecutive patients who underwent endoscopic endonasal resection of a pituitary macroadenoma (mean age = 55.7 [16-88]) years, volume = 11.3 (1.0-134.3) cm(3). Complete resection was possible in 60/29.6% patients. Mean follow-up was 575 days. Multivariate logistic regression was performed using MATLAB...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28320832/g-csf-receptor-blockade-ameliorates-arthritic-pain-and-disease
#11
Ming-Chin Lee, James A McCubbin, Anne D Christensen, Daniel P Poole, Pradeep Rajasekhar, TinaMarie Lieu, Nigel W Bunnett, Sonia Garcia-Caraballo, Andelain Erickson, Stuart M Brierley, Reem Saleh, Adrian Achuthan, Andrew J Fleetwood, Robin L Anderson, John A Hamilton, Andrew D Cook
G-CSF or CSF-3, originally defined as a regulator of granulocyte lineage development via its cell surface receptor (G-CSFR), can play a role in inflammation, and hence in many pathologies, due to its effects on mature lineage populations. Given this, and because pain is an extremely important arthritis symptom, the efficacy of an anti-G-CSFR mAb for arthritic pain and disease was compared with that of a neutrophil-depleting mAb, anti-Ly6G, in both adaptive and innate immune-mediated murine models. Pain and disease were ameliorated in Ag-induced arthritis, zymosan-induced arthritis, and methylated BSA/IL-1 arthritis by both prophylactic and therapeutic anti-G-CSFR mAb treatment, whereas only prophylactic anti-Ly6G mAb treatment was effective...
March 20, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28320174/etiological-agents-of-viral-meningitis-in-children-from-a-dengue-endemic-area-southeast-region-of-brazil
#12
Danilo B de Oliveira, Talitah M Candiani, Ana Paula M Franco-Luiz, Gabriel M F Almeida, Jônatas S Abrahão, Maria Rios, Roney S Coimbra, Erna G Kroon
Meningitis is a disease with a global distribution that constitutes a worldwide burden, with viruses as the primary etiologic agents. The range of viral meningitis severity depends mainly on age, immune status and etiological agent. The aim of this work was to investigate the suspected cases of viral meningitis using molecular techniques to confirm the viral infection. The diagnosed virus was correlated with clinical findings and cytochemical parameters in cerebrospinal liquid (CSF) of patients. CSF of 70 children with the presumptive diagnosis of viral meningitis was analyzed by real time PCR (qPCR)...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28316374/the-role-of-il-17-and-related-cytokines-in-inflammatory-autoimmune-diseases
#13
REVIEW
Taku Kuwabara, Fumio Ishikawa, Motonari Kondo, Terutaka Kakiuchi
Interleukin-17 (IL-17) induces the production of granulocyte colony-stimulating factor (G-CSF) and chemokines such as CXCL1 and CXCL2 and is a cytokine that acts as an inflammation mediator. During infection, IL-17 is needed to eliminate extracellular bacteria and fungi, by inducing antimicrobial peptides such as defensin. This cytokine also plays an important role in chronic inflammation that occurs during the pathogenesis of autoimmune diseases and allergies such as human rheumatoid arthritis (RA) for which a mouse model of collagen-induced arthritis (CIA) is available...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28316120/synergistic-effects-of-g-csf-and-bone-marrow-stromal-cells-on-nerve-regeneration-with-acellular-nerve-xenografts
#14
Hua Jia, Ying Wang, Tao Wang, Yi Dong, Wei-Li Li, Jun-Ping Li, Wen-Zhi Ma, Xiao-Jie Tong, Zhong-Yi He
Peripheral nerve defects result in severe denervation presenting sensory and motor functional incapacitation. Currently, a satisfactory therapeutic treatment promoting the repair of injured nerves is not available. As shown in our previous study, acellular nerve xenografts (ANX) implanted with bone marrow stromal cells (BMSCs) replaced allografts and promoted nerve regeneration. Additionally, granulocyte-colony stimulating factor (G-CSF) has been proven to mobilize supplemental cells and enhance vascularization in the niche...
March 18, 2017: Synapse
https://www.readbyqxmd.com/read/28315356/the-effect-of-angiotensin-receptor-neprilysin-inhibitor-sacubitril-valsartan-on-central-nervous-system-amyloid-%C3%AE-concentrations-and-clearance-in-the-cynomolgus-monkey
#15
Heidi A Schoenfeld, Tim West, Philip B Verghese, Mary Holubasch, Neeta Shenoy, David Kagan, Chiara Buono, Wei Zhou, Marc DeCristofaro, Julie Douville, Geoffrey G Goodrich, Keith Mansfield, Chandra Saravanan, Frederic Cumin, Randy L Webb, Randall J Bateman
Sacubitril/valsartan (LCZ696) is the first angiotensin receptor neprilysin inhibitor approved to reduce cardiovascular mortality and hospitalization in patients with heart failure with reduced ejection fraction. As neprilysin (NEP) is one of several enzymes known to degrade amyloid-β (Aβ), there is a theoretical risk of Aβ accumulation following long-term NEP inhibition. The primary objective of this study was to evaluate the potential effects of sacubitril/valsartan on central nervous system clearance of Aβ isoforms in cynomolgus monkeys using the sensitive Stable Isotope Labeling Kinetics (SILK™)-Aβ methodology...
March 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28315060/results-of-a-phase-ib-trial-of-combination-immunotherapy-with-a-cd8-%C3%A2-t-cell-eliciting-vaccine-and-trastuzumab-in-breast-cancer-patients
#16
G Travis Clifton, Jennifer K Litton, Karen Arrington, Sathibalan Ponniah, Nuhad K Ibrahim, Victor Gall, Gheath Alatrash, George E Peoples, Elizabeth A Mittendorf
BACKGROUND: CD8+ T cell-eliciting vaccines are being investigated in breast cancer patients. Preclinical data showed that trastuzumab increases the susceptibility of tumor cells to lysis by vaccine-generated CD8+ T cells, suggesting potential benefit of a combination immunotherapy strategy. The current trial was undertaken to demonstrate the safety of this approach. METHODS: This study was designed as a dose-escalation trial enrolling clinically disease-free, human leukocyte antigen A2+ or A3+ , human epidermal growth factor receptor 2 (HER2)-positive breast cancer patients...
March 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28304218/comparative-effectiveness-of-flexible-versus-rigid-neuroendoscopy-for-endoscopic-third-ventriculostomy-and-choroid-plexus-cauterization-a-propensity-score-matched-cohort-and-survival-analysis
#17
Shelly Wang, Scellig Stone, Alexander G Weil, Aria Fallah, Benjamin C Warf, John Ragheb, Sanjiv Bhatia, Abhaya V Kulkarni
OBJECTIVE Endoscopic third ventriculostomy (ETV)/choroid plexus cauterization (CPC) has become an increasingly common technique for the treatment of infant hydrocephalus. Both flexible and rigid neuroendoscopy can be used, with little empirical evidence directly comparing the two. Therefore, the authors used a propensity score-matched cohort and survival analysis to assess the comparative efficacy of flexible and rigid neuroendoscopy. METHODS Individual data were collected through retrospective review of infants younger than 2 years of age, treated at 1 of 2 hospitals: 1) Boston Children's Hospital, exclusively utilizing flexible neuroendoscopy, and 2) Nicklaus Children's Hospital-Jackson Memorial Hospital, exclusively utilizing rigid neuroendoscopy...
March 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28301284/immunogenicity-and-protective-efficacy-of-recombinant-bacille-calmette-guerin-strains-expressing-mycobacterium-antigens-ag85a-cfp10-esat-6-gm-csf-and-il-12p70
#18
Fu-Ying Dai, Jun-Fang Wang, Xue-Li Gong, Lang Bao
OBJECTIVE: This study aimed to evaluate the immunogenicity and protective efficacy of recombinant bacille calmette-guerin (rBCG) strains expressing Ag85A (A), CFP10 (C), ESAT6 (E), IL-12p70 (I), and fusion protein GM-CSF (G). METHOD: rBCGs were established by integrating of A, C, E, I, G, AE, CE, IE, GC, GE and GCE into Mycobacterium bovis BCG-1173 and BCG-SH. The macro-effects of rBCGs on mice were evaluated by phenotype and weight. The immunogenicity of rBCGs was analyzed by lgG, lgG1 and lgG2a antibody titers, and IFN-γ and IL-4 contents through Enzyme-linked immunosorbent assay (ELISA)...
February 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28300164/role-of-purinergic-signaling-in-experimental-pneumococcal-meningitis
#19
Marco Zierhut, Susanne Dyckhoff, Ilias Masouris, Matthias Klein, Sven Hammerschmidt, Hans-Walter Pfister, Korcan Ayata, Marco Idzko, Uwe Koedel
Excessive neutrophilic inflammation contributes to brain pathology and adverse outcome in pneumococcal meningitis (PM). Recently, we identified the NLRP3 inflammasome/interleukin (IL)-1β pathway as a key driver of inflammation in PM. A critical membrane receptor for NLRP3 inflammasome activation is the ATP-activated P2 purinoceptor (P2R) P2X7. Thus, we hypothesized involvement of ATP and P2Rs in PM. The functional role of ATP was investigated in a mouse meningitis model using P2R antagonists. Brain expression of P2Rs was assessed by RT-PCR...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298911/autoantibodies-against-the-n-methyl-d-aspartate-receptor-subunit-nr1-untangling-apparent-inconsistencies-for-clinical-practice
#20
REVIEW
Hannelore Ehrenreich
This viewpoint review provides an integrative picture of seemingly contradictory work published on N-methyl-d-aspartate receptor 1 (NMDAR1) autoantibodies (AB). Based on the present state of knowledge, it gives recommendations for the clinical decision process regarding immunosuppressive treatment. Brain antigen-directed AB in general and NMDAR1-AB in particular belong to a preexisting autoimmune repertoire of mammals including humans. Specific autoimmune reactive B cells may get repeatedly (perhaps transiently) boosted by various potential stimulants (e...
2017: Frontiers in Immunology
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