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https://read.qxmd.com/read/30648038/recurrent-chemical-meningitis-due-to-parasellar-epidermoid-cyst
#1
Bhavesh Trikamji, Mark Morrow
Intracranial epidermoid cysts are exceedingly rare lesions that result from a disorder of gastrulation. They are seen only in the pediatric patient population. We describe a 44-year-old Hispanic woman who presented with acute confusion. The family reported two months of progressive headaches and two weeks of fever, blurred central vision, and restricted visual fields. On examination, the patient appeared ill, with a low-grade fever and stiff neck. Neurological testing was limited but grossly non-focal. Computerized tomography (CT) of the head and magnetic resonance imaging (MRI) of the brain showed a large cystic mass arising in the sella, where it displaced the normal pituitary gland...
October 25, 2018: Curēus
https://read.qxmd.com/read/30523748/phase-i-ii-study-of-stem-cell-transplantation-using-a-single-cord-blood-unit-expanded-ex-vivo-with-nicotinamide
#2
Mitchell E Horwitz, Stephen Wease, Beth Blackwell, David Valcarcel, Francesco Frassoni, Jaap Jan Boelens, Stefan Nierkens, Madan Jagasia, John E Wagner, Jurgen Kuball, Liang Piu Koh, Navneet S Majhail, Patrick J Stiff, Rabi Hanna, William Y K Hwang, Joanne Kurtzberg, Daniela Cilloni, Laurence S Freedman, Pau Montesinos, Guillermo Sanz
PURPOSE: Increasing the number of hematopoietic stem and progenitor cells within an umbilical cord blood (UCB) graft shortens the time to hematopoietic recovery after UCB transplantation. In this study, we assessed the safety and efficacy of a UCB graft that was expanded ex vivo in the presence of nicotinamide and transplanted after myeloablative conditioning as a stand-alone hematopoietic stem-cell graft. METHODS: Thirty-six patients with hematologic malignancies underwent transplantation at 11 sites...
December 4, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://read.qxmd.com/read/30500722/divergent-immune-responses-to-synthetic-and-biological-scaffolds
#3
Kaitlyn Sadtler, Matthew T Wolf, Sudipto Ganguly, Christopher A Moad, Liam Chung, Shoumyo Majumdar, Franck Housseau, Drew M Pardoll, Jennifer H Elisseeff
The immune system plays a critical role in wound healing and the response to biomaterials. Biomaterials-directed regenerative immunology is an immunoengineering strategy that targets the immune system to promote tissue repair. Biomaterial scaffolds employed in regenerative medicine can be broadly classified as biological (such as those derived from the tissue extracellular matrix) or synthetic. Here, we show in depth the divergent myeloid response to biological versus synthetic biomaterial scaffolds. While neutrophil depletion and changes in physical properties such as shape and mechanics can modulate the pro-inflammatory myeloid immune response to synthetic materials to a degree, the overall general divergent myeloid responses persist...
November 9, 2018: Biomaterials
https://read.qxmd.com/read/30480002/a-perplexing-case-of-pituitary-apoplexy-masquerading-as-recurrent-meningitis
#4
Madhura Myla, Jeremy Lewis, Alan Beach, Gresa Sylejmani, Mark R Burge
In this article, we present an exceptional case of pituitary apoplexy in which a patient presented with meningeal symptoms of headache, stiff neck, and nausea rather than the classical findings of ophthalmoplegia and/or vision loss. The patient has had 2 similar presentations with cerebrospinal fluid showing neutrophilic pleocytosis, as well as a computed tomography scan showing a prominent pituitary gland. On current presentation, the patient's vital signs were stable and the physical examination was remarkable for nuchal rigidity...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://read.qxmd.com/read/30477489/migration-through-a-small-pore-disrupts-inactive-chromatin-organization-in-neutrophil-like-cells
#5
Elsie C Jacobson, Jo K Perry, David S Long, Ada L Olins, Donald E Olins, Bryon E Wright, Mark H Vickers, Justin M O'Sullivan
BACKGROUND: Mammalian cells are flexible and can rapidly change shape when they contract, adhere, or migrate. The nucleus must be stiff enough to withstand cytoskeletal forces, but flexible enough to remodel as the cell changes shape. This is particularly important for cells migrating through confined spaces, where the nuclear shape must change in order to fit through a constriction. This occurs many times in the life cycle of a neutrophil, which must protect its chromatin from damage and disruption associated with migration...
November 26, 2018: BMC Biology
https://read.qxmd.com/read/30317798/-research-progress-in-prognostic-factors-of-hepatitis-b-virus-associated-end-stage-liver-disease
#6
X Feng, X F Shi
Hepatitis B remains a worldwide health problem with a high mortality rate associated with end-stage liver diseases. The Model for End-Stage Liver Disease and Child-Pugh score is still widely used as the prognostic model for liver cirrhosis and inflammatory reaction, B-type natriuretic peptide and portal vein thrombosis are independent risk factors. Many new models have been proposed for liver failure, including a new model HINAT ACLF. HINAT ACLF is better than its preceding models and increased neutrophil-to-lymphocyte ratio is a single factor to promote thyroid hormone, cholinesterase, and antiviral treatment response in this model...
August 20, 2018: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://read.qxmd.com/read/30295126/innate-inflammatory-bioregulation-and-clinical-effectiveness-of-whole-body-hyperthermia-balneotherapy-in-elderly-patients-with-osteoarthritis
#7
Isabel Gálvez, Silvia Torres-Piles, Eduardo Ortega
OBJECTIVES: Balneotherapy with mud application (mud therapy) is a common hydrothermal intervention for the treatment and rehabilitation of elderly patients with osteoarthritis, leading to anti-inflammatory effects. The main purpose of this investigation was to study a role for regulatory T cells in these anti-inflammatory effects. The second objective was to assess whether the neutrophil-mediated innate response is affected by these anti-inflammatory effects. METHODS: Thirty-six elderly patients with knee osteoarthritis underwent a 10-day cycle of balneotherapy at a spa center...
2018: International Journal of Hyperthermia
https://read.qxmd.com/read/29992540/serum-cardiovascular-risk-biomarkers-in-pre-pubertal-obese-children
#8
Albane B R Maggio, Nathalie J Farpour-Lambert, Yacine Aggoun, Katia Galan, Fabrizio Montecucco, François Mach, Maurice Beghetti
BACKGROUND: Childhood obesity is associated with premature cardiovascular complications. However, little is known about the effect of a family-based behavioural intervention on the relationship between arterial function, blood pressure and biomarkers in pre-pubertal children with obesity. DESIGN: This was a single centre randomized controlled trial (RCT) including 74 children randomized to a 6-month behavioural intervention to treat obesity. In 48 children (13 controls and 35 interventions), we assessed: serum level of cytokine (CCL2), adiponectin, and neutrophil product (MMP-8), as well as carotid intima-media thickness, flow-mediated dilation (FMD), nitroglycerin-mediated dilation; arterial stiffness (incremental elastic modulus, Einc), pulse wave velocity (PWV), resting and 24-hour blood pressure (BP)...
September 2018: European Journal of Clinical Investigation
https://read.qxmd.com/read/29968162/mechanochemical-modeling-of-neutrophil-migration-based-on-four-signaling-layers-integrin-dynamics-and-substrate-stiffness
#9
Shiliang Feng, Lüwen Zhou, Yan Zhang, Shouqin Lü, Mian Long
Directional neutrophil migration during human immune responses is a highly coordinated process regulated by both biochemical and biomechanical environments. In this paper, we developed an integrative mathematical model of neutrophil migration using a lattice Boltzmann-particle method built in-house to solve the moving boundary problem with spatiotemporal regulation of biochemical components. The mechanical features of the cell cortex are modeled by a series of spring-connected nodes representing discrete cell-substrate adhesive sites...
July 2, 2018: Biomechanics and Modeling in Mechanobiology
https://read.qxmd.com/read/29957839/physical-properties-of-the-photodamaged-human-skin-dermis-rougher-collagen-surface-and-stiffer-harder-mechanical-properties
#10
Yuan Shao, Zhaoping Qin, James Alexander Wilks, Rebecca Mutesi Balimunkwe, Gary J Fisher, John J Voorhees, Taihao Quan
Fragmentation of collagen fibrils and aberrant elastic material (solar elastosis) in the dermal extracellular matrix (ECM) is among the most prominent features of photodamaged human skin. These alterations impair the structural integrity and create a dermal microenvironment prone to skin disorders. The objective of this study was to determine the physical properties (surface roughness, stiffness and hardness) of the dermal ECM in photodamaged and subject-matched sun-protected human skin. Skin samples were sectioned and analysed by histology, atomic force microscopy and nanoindentation...
June 29, 2018: Experimental Dermatology
https://read.qxmd.com/read/29893798/a-randomized-placebo-controlled-trial-of-fidaxomicin-for-prophylaxis-of-clostridium-difficile-associated-diarrhea-in-adults-undergoing-hematopoietic-stem-cell-transplantation
#11
Kathleen M Mullane, Drew J Winston, Ajay Nooka, Michele I Morris, Patrick Stiff, Michael J Dugan, Henry Holland, Kevin Gregg, Javier A Adachi, Steven A Pergam, Barbara D Alexander, Erik R Dubberke, Natalya Broyde, Sherwood L Gorbach, Pamela S Sears
Background: Clostridium difficile-associated diarrhea (CDAD) is common during hematopoietic stem-cell transplantation (HSCT) and is associated with increased morbidity and mortality. We evaluated fidaxomicin for prevention of CDAD in HSCT patients. Methods: In this double-blind study, subjects undergoing HSCT with fluoroquinolone prophylaxis stratified by transplant type (autologous/allogeneic) were randomized to once-daily oral fidaxomicin (200 mg) or a matching placebo...
January 7, 2019: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://read.qxmd.com/read/29783937/enterococcus-gallinarum-meningitis-a-case-report-and-literature-review
#12
Bo Zhao, Mao Sheng Ye, Rui Zheng
BACKGROUND: As an opportunistic pathogen, E. gallinarum mainly leads to nosocomial infections, and it's multi-drug resistance has gained more and more attention. Central nervous system infections caused by E. gallinarum are rare, but have been reported more often in recent years. The previous cases were generally secondary to neurosurgery, especially ventriculoperitoneal shunts. In recent years, the cases largely occurred in patients with impaired immune function. The patient in our report may have had dual risk factors (immune impairment and an invasive surgical procedure)...
May 21, 2018: BMC Infectious Diseases
https://read.qxmd.com/read/29670351/cellular-interaction-of-a-layer-by-layer-based-drug-delivery-system-depending-on-material-properties-and-cell-types
#13
Mandy Brueckner, Steffen Jankuhn, Eva-Maria Jülke, Uta Reibetanz
Background: Drug delivery systems (DDS) and their interaction with cells are a controversial topic in the development of therapeutic concepts and approaches. On one hand, DDS are very useful for protected and targeted transport of defined dosages of active agents. On the other hand, their physicochemical properties such as material, size, shape, charge, or stiffness have a huge impact on cellular uptake and intracellular processing. Additionally, even identical DDS can undergo a completely diverse interaction with different cell types...
2018: International Journal of Nanomedicine
https://read.qxmd.com/read/29669944/neutrophil-subsets-and-their-gene-signature-associate-with-vascular-inflammation-and-coronary-atherosclerosis-in-lupus
#14
Philip M Carlucci, Monica M Purmalek, Amit K Dey, Yenealem Temesgen-Oyelakin, Simantini Sakhardande, Aditya A Joshi, Joseph B Lerman, Alice Fike, Michael Davis, Jonathan H Chung, Martin P Playford, Mohammad Naqi, Pragnesh Mistry, Gustavo Gutierrez-Cruz, Stefania Dell'Orso, Faiza Naz, Taufiq Salahuddin, Balaji Natarajan, Zerai Manna, Wanxia L Tsai, Sarthak Gupta, Peter Grayson, Heather Teague, Marcus Y Chen, Hong-Wei Sun, Sarfaraz Hasni, Nehal N Mehta, Mariana J Kaplan
BACKGROUND: Systemic lupus erythematosus (SLE) is associated with enhanced risk of atherosclerotic cardiovascular disease not explained by Framingham risk score (FRS). Immune dysregulation associated to a distinct subset of lupus proinflammatory neutrophils (low density granulocytes; LDGs) may play key roles in conferring enhanced CV risk. This study assessed if lupus LDGs are associated with in vivo vascular dysfunction and inflammation and coronary plaque. METHODS: SLE subjects and healthy controls underwent multimodal phenotyping of vascular disease by quantifying vascular inflammation (18F-fluorodeoxyglucose-PET/CT [18F-FDG-PET/CT]), arterial dysfunction (EndoPAT and cardio-ankle vascular index), and coronary plaque burden (coronary CT angiography)...
April 19, 2018: JCI Insight
https://read.qxmd.com/read/29627842/high-neutrophil-to-lymphocyte-ratio-is-a-significant-predictor-of-cardiovascular-and-all-cause-mortality-in-patients-undergoing-peritoneal-dialysis
#15
Xiangxue Lu, Shixiang Wang, Guizhi Zhang, Ruifang Xiong, Han Li
BACKGROUND/AIMS: Chronic inflammation is associated with increased risk of cardiovascular death in patients with end-stage renal disease (ESRD). Although elevated neutrophil-to-lymphocyte ratio (NLR), a novel inflammatory marker, has been shown to predict cardiovascular disease and all-cause mortality in the general population, limited evidence is available for its role in ESRD. METHODS: We enrolled 86 patients undergoing peritoneal dialysis (PD) for a 36-month follow-up to investigate the association between the NLR and arterial stiffness markers, namely, carotid-femoral pulse wave velocity (cfPWV) and carotid augmentation index (AIx), and mortality in PD patients...
2018: Kidney & Blood Pressure Research
https://read.qxmd.com/read/29528011/fgf23-ngal-and-endostatin-the-predictors-of-allograft-function-in-renal-transplant-recipients
#16
Bahar Gürlek Demirci, Siren Sezer, Saliha Uyanık Yıldırım, Meltem Kaynar Erdoğan, Emre Tutal, Özlem Özdemir, Gani Orazbayev, Mehmet Haberal
OBJECTIVES: Increased circulating levels of fibroblast growth factor 23, neutrophil gelatinase-associated lipocalin, and endostatin are independent risk factors for cardiovascular disease. Here, we evaluated correlations among these parameters and graft dysfunction and their relation with arterial stiffness. MATERIALS AND METHODS: This prospective study included 73 maintenance kidney transplant patients with stable allograft function who had received the transplant at least 36 months previously...
March 2018: Experimental and Clinical Transplantation
https://read.qxmd.com/read/29477778/cohort-controlled-comparison-of-umbilical-cord-blood-transplantation-using-carlecortemcel-l-a-single-progenitor-enriched-cord-blood-to-double-cord-blood-unit-transplantation
#17
Patrick J Stiff, Pau Montesinos, Tony Peled, Efrat Landau, Noga Rosenheimer Goudsmid, Julie Mandel, Nira Hasson, Esti Olesinski, Ela Glukhman, David A Snyder, Einat Galamidi Cohen, Orna Srur Kidron, Dalia Bracha, Dorit Harati, Keren Ben-Abu, Etty Freind, Laurence S Freedman, Yael C Cohen, Liraz Olmer, Raya Barishev, Vanderson Rocha, Eliane Gluckman, Mary M Horowitz, Mary Eapen, Arnon Nagler, Guillermo Sanz
Umbilical cord blood (UCB) transplantation has a high early mortality rate primarily related to transplanted stem cell dose. To decrease early mortality and enhance engraftment, a portion of selected cord blood units (20% to 50%) was expanded with cytokines and the copper chelator tetraethylenepentamine (carlecortemcel-L) and transplanted with the unmanipulated fraction after myeloablative conditioning. The primary endpoint was 100-day survival, which was compared with a contemporaneous double-unit cord blood transplantation (DUCBT) group...
July 2018: Biology of Blood and Marrow Transplantation
https://read.qxmd.com/read/29468621/fusarium-brain-abscess-in-a-patient-with-diabetes-mellitus-and-liver-cirrhosis
#18
Yu-Ju Chen, Chao-Liang Chou, Kuan-Ju Lai, Ya-Ju Lin Lin
PURPOSE: Invasive mycosis caused by the Aspergillus, Fusarium, and Mucor can be fetal, especially in the immunocompromised patients with central nervous system (CNS) involvement. Here we present a case of CNS Fusarium infection, and this is the first reported case of Fusarium brain abscess in Taiwan. CASE REPORT: A 65-year-old woman presented with fever and conscious disturbance for 3 days. Neurological examination showed stupor consciousness, neck stiffness, multiple cranial nerves palsy, and bilateral Babinski signs...
September 15, 2017: Acta Neurologica Taiwanica
https://read.qxmd.com/read/29288632/association-of-vascular-indices-with-novel-circulating-biomarkers-as-prognostic-factors-for-cardiovascular-complications-in-patients-with-type-2-diabetes-mellitus
#19
Katerina K Naka, Katerina Papathanassiou, Aris Bechlioulis, Konstantinos Pappas, Stelios Tigas, Dimitrios Makriyiannis, Sophia Antoniou, Nikolaos Kazakos, Alexandra Margeli, Ioannis Papassotiriou, Agathocles Tsatsoulis, Lampros K Michalis
BACKGROUND: The pathophysiology of atherosclerosis in type 2 diabetes mellitus (T2DM) is multifactorial. The association of vascular indices with circulating biomarkers of inflammation and insulin resistance and their role in the long-term cardiovascular prognosis in T2DM patients were currently investigated. PATIENTS AND METHODS: Patients with T2DM and poor glycemic control without known cardiovascular diseases (n=119) at baseline were enrolled and followed for about 9years...
March 2018: Clinical Biochemistry
https://read.qxmd.com/read/29240565/platelets-to-lymphocyte-ratio-is-a-good-predictor-of-liver-fibrosis-and-insulin-resistance-in-hepatitis-c-virus-related-liver-disease
#20
Ayman Alsebaey, Mostafa Elhelbawy, Imam Waked
BACKGROUND: Hepatitis C virus (HCV) is a global health problem that is complicated by liver fibrosis and insulin resistance (IR). AIM: The aim of this study was to validate neutrophils-to-lymphocytes ratio (NLR) and platelets-to-lymphocytes ratio (PLR) as indirect biomarkers of liver fibrosis and IR in HCV patients. PATIENTS AND METHODS: One hundred and fifty patients were enrolled. Physical examination, BMI, liver function tests, serum creatinine, complete blood count, serum HCV RNA count by PCR, and abdominal ultrasonography were performed...
February 2018: European Journal of Gastroenterology & Hepatology
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