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https://www.readbyqxmd.com/read/28819250/oblique-scanning-laser-microscopy-for-simultaneously-volumetric-structural-and-molecular-imaging-using-only-one-raster-scan
#1
Lei Zhang, Amalia Capilla, Weiye Song, Gustavo Mostoslavsky, Ji Yi
Multi-modal three dimensional (3D) optical imaging combining both structural sensitivity and molecular specificity is highly desirable in biomedical research. In this paper, we present a method termed oblique scanning laser microscopy (OSLM) to combine optical coherence tomography (OCT), for simultaneously volumetric structural and molecular imaging with cellular resolution in all three dimensions. Conventional 3D laser scanning fluorescence microscopy requires repeated optical sectioning to create z-stacks in depth...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811951/granulomatosis-with-polyangiitis-presenting-as-pyrexia-of-unknown-origin-leukocytosis-and-microangiopathic-haemolytic-anemia
#2
Sima Terebelo, Iona Chen
A 66-year-old woman presented to the Emergency Department with a florid sepsis-like picture, a two-week history of fever, relative hypotension with end organ ischemia (unexplained liver enzyme and troponin elevations), and nonspecific constitutional symptoms. She was initially found to have a urinary tract infection but, despite appropriate treatment, her fever persisted and her white blood cell count continued to rise. During her hospitalization the patient manifested leukocytosis to 47,000 WBC/μL, ESR 67 mm/hr (normal range 0-42 mm/hr), CRP 17...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/28798096/activation-of-tissue-plasminogen-activator-by-metastasis-inducing-s100p-protein
#3
Christopher Clarke, Stephane R Gross, Thamir M Ismail, Philip S Rudland, Morteta Al-Medhtiy, Michael Santangeli, Roger Barraclough
S100P protein in human breast cancer cells is associated with reduced patient survival and, in a model system of metastasis, it confers a metastatic phenotype upon benign mammary tumour cells. S100P protein possesses a C-terminal lysine residue. Using a multiwell in vitro assay, S100P is now shown for the first time to exhibit a strong, C-terminal-lysine-dependent activation of tissue plasminogen activator (tPA), but not of urokinase-catalysed plasminogen activation.  The presence of 10 mM calcium ions stimulates tPA activation of plasminogen 2-fold in an S100P-dependent manner...
August 10, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28782633/plasma-cell-deficiency-in-humans-with-heterozygous-mutations-in-sec61a1
#4
Desirée Schubert, Marie-Christine Klein, Sarah Hassdenteufel, Andrés Caballero-Oteyza, Linlin Yang, Michele Proietti, Alla Bulashevska, Janine Kemming, Johannes Kühn, Sandra Winzer, Stephan Rusch, Manfred Fliegauf, Alejandro A Schäffer, Stefan Pfeffer, Roger Geiger, Adolfo Cavalié, Hongzhi Cao, Fang Yang, Yong Li, Marta Rizzi, Hermann Eibel, Robin Kobbe, Amy L Marks, Brian P Peppers, Robert W Hostoffer, Jennifer M Puck, Richard Zimmermann, Bodo Grimbacher
BACKGROUND: Primary antibody deficiencies (PAD) are the most frequent primary immunodeficiencies in humans. The genetic causes for PADs are largely unknown. Sec61 translocon alpha 1 subunit (SEC61A1) is the major subunit of the Sec61 complex, which is the main polypeptide-conducting channel in the endoplasmic reticulum (ER) membrane. SEC61A1 is a target gene of XBP1s and strongly induced during plasma cell differentiation. OBJECTIVE: Characterization of a novel genetic defect and its pathological mechanism in eleven patients from two unrelated families with PAD...
August 3, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28780848/-clinical-characteristics-of-neuromyelitis-optica-spectrum-disorders-associated-with-syringomyelia
#5
Y G Wang, Y Q Wang, W Qiu, X Q Hu, Z Z Lu
Objective: To analyze the clinical characteristics of neuromyelitis optica spectrum disorders (NMOSD) associated with syringomyelia (SML). Methods: The clinical manifestations, laboratory parameters and imaging findings of 7 patients with NMOSD associated with SML during June 2008 to August 2016 from The Third Affiliated Hospital of Sun Yat-sen University were retrospectively analyzed. Results: Six patients were female and 1 was male, with ages ranging from 27-67 years, the course of the disease was 3-12 years, recurrence was 2-7 times, all the patients were cerebrospinal fluid oligoclonal bands (CSF OCB) negative, 5 patients were positive for aquaporin-4-antibody/NMO-IgG...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28780000/systemic-infusions-of-anti-interleukin-1%C3%AE-neutralizing-antibodies-reduce-short-term-brain-injury-after-cerebral-ischemia-in-the-ovine-fetus
#6
Xiaodi Chen, Virginia Hovanesian, Syed Naqvi, Yow-Pin Lim, Richard Tucker, John E Donahue, Edward G Stopa, Barbara S Stonestreet
Perinatal hypoxic-ischemic reperfusion (I/R)-related brain injury is a leading cause of neurologic morbidity and life-long disability in children. Infants exposed to I/R brain injury develop long-term cognitive and behavioral deficits, placing a large burden on parents and society. Therapeutic strategies are currently not available for infants with I/R brain damage, except for hypothermia, which can only be used in full term infants with hypoxic-ischemic encephalopathy (HIE). Moreover, hypothermia is only partially protective...
August 2, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28768265/prompt-response-to-prednisone-predicts-benign-course-in-musk-mg
#7
Ozlem Gungor-Tuncer, Vuslat Yilmaz, Alper Toker, Guher Saruhan-Direskeneli, Yesim Gulsen-Parman, Piraye Oflazer-Serdaroglu, Feza Deymeer
BACKGROUND: The difficult course of patients with myasthenia gravis (MG) with anti-muscle-specific tyrosine kinase antibodies (MuSK) has been emphasized. However, no clear information is available on patients who have a benign course. METHODS: This study was aimed at comparing patients with favorable (minimal manifestations [MM] or better) and unfavorable outcomes to determine whether excellent response to corticosteroid (CS) treatment within 3 months (good response-3 months) has any predictive effect on the prognosis...
July 28, 2017: European Neurology
https://www.readbyqxmd.com/read/28765707/design-synthesis-and-evaluation-of-vegfr-targeted-macromolecular-mri-contrast-agent-based-on-biotin-avidin-specific-binding
#8
Yongjun Liu, Xiaoyun Wu, Xiaohe Sun, Dan Wang, Ying Zhong, Dandan Jiang, Tianqi Wang, Dexin Yu, Na Zhang
Developing magnetic resonance imaging (MRI) contrast agents with high relaxivity and specificity was essential to increase MRI diagnostic sensitivity and accuracy. In this study, the MRI contrast agent, vascular endothelial growth factor receptor (VEGFR)-targeted poly (l-lysine) (PLL)-diethylene triamine pentacetate acid (DTPA)-gadolinium (Gd) (VEGFR-targeted PLL-DTPA-Gd, VPDG), was designed and prepared to enhance the MRI diagnosis capacity of tumor. Biotin-PLL-DTPA-Gd was synthesized first, then, VEGFR antibody was linked to biotin-PLL-DTPA-Gd using biotin-avidin reaction...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28761593/case-series-transplantation-of-kidneys-from-donors-with-renal-artery-aneurysm
#9
Mahmoud Alameddine, Zhobin Moghadamyeghaneh, Giselle Guerra, Mahmoud Morsi, Mohammed Osman, V J Chia, George W Burke, Linda Chen, Rodrigo Vianna, Ian Zheng, Javier González, Gaetano Ciancio
INTRODUCTION: With the present disparity between organ availability and recipient demands, we reported our experience in transplanting kidneys with renal artery aneurysm after back-table reconstruction. METHODS: Four patients were identified. The repair consisted of excision of the aneurysm with ostial closure, and for one of the cases, an ovarian vein patch was used. We reviewed the safety and outcomes of this procedure. All donors were asymptomatic before surgery and were diagnosed incidentally during living donor evaluation...
July 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28757123/molecular-and-biochemical-characterisation-and-recognition-by-the-immune-host-of-the-glyceraldehyde-3-phosphate-dehydrogenase-gapdh-of-the-abomasal-nematode-parasite-teladorsagia-circumcincta
#10
S Umair, C L G Bouchet, J S Knight, A Pernthaner, H V Simpson
A 1023 bp full length cDNA encoding Teladorsagia circumcincta GAPDH (TeciGAPDH) was cloned, expressed in Escherichia coli and the recombinant protein purified and its kinetic properties determined. A phylogenetic tree was constructed using helminth GAPDH sequences. The predicted protein consisted of 341 amino acids and was present as a single band of about 38 kDa on SDS-PAGE. Multiple alignments of the protein sequence of TeciGAPDH with homologues from other helminths showed that the greatest similarity (93%) to the GAPDH of Haemonchus contortus and Dictyocaulus viviparus, 82-86% similarity to the other nematode sequences and 68-71% similarity to cestode and trematode enzymes...
July 27, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28751187/immunotherapy-in-multiple-myeloma
#11
REVIEW
Charise Gleason, Donna D Catamero
OBJECTIVES: To review the use of monoclonal antibodies (mAbs) in the treatment of multiple myeloma (MM) and the management of most common side effects. DATA SOURCES: Review of journal articles related to mAbs in MM. CONCLUSION: The therapeutic options for MM have improved dramatically and the development of mAbs has been associated with improvement in clinical outcomes and favorable toxicity profiles. IMPLICATIONS FOR NURSING PRACTICE: With appropriate pre-medications and nursing management, mAbs are a well-tolerated treatment option for myeloma patients...
July 24, 2017: Seminars in Oncology Nursing
https://www.readbyqxmd.com/read/28747306/how-i-treat-new-agents-in-myeloma
#12
Philippe Moreau
At present, multiple classes of agents with distinct mechanisms of action are available for the treatment of patients with multiple myeloma (MM), including alkylators, steroids, immunomodulatory agents (IMiDs), proteasome inhibitors (PIs), histone deacetylase inhibitors (DACIs) and monoclonal antibodies (mAbs). Over the last 5 years, several new agents, such as the third-generation IMiD pomalidomide, the second generation PIs carfilzomib and ixazomib, the DACI panobinostat and two monoclonal antibodies, elotuzumab and daratumumab, have been approved, incorporated into clinical guidelines and have transformed our approach to the treatment of patients...
July 26, 2017: Blood
https://www.readbyqxmd.com/read/28745543/enhanced-adhesion-of-blood-platelets-to-intact-endothelium-of-mesenteric-vascular-bed-in-mice-with-streptozotocin-induced-diabetes-is-mediated-by-an-up-regulated-endothelial-surface-deposition-of-vwf-in-vivo-study
#13
Tomasz Przygodzki, Marcin Talar, Hassan Kassassir, Lukasz Mateuszuk, Jacek Musial, Cezary Watala
Numerous in vitro experiments have confirmed that a dysfunctional endothelium is characterized by, inter alia, a higher affinity for binding of platelets and leukocytes. However, there is still no direct evidence for greater interaction between platelets and intact endothelium in in vivo animal models of diabetes. Therefore, the present study examines the pro-adhesive properties of endothelium change in vivo as an effect of streptozotocin (STZ)-induced diabetes and the role of two key platelet receptors: GPIb-IX-V and GPIIb/IIIa...
July 26, 2017: Platelets
https://www.readbyqxmd.com/read/28744161/emerging-combination-therapies-for-the-management-of-multiple-myeloma-the-role-of-elotuzumab
#14
REVIEW
Wei-Chih Chen, Abraham S Kanate, Michael Craig, William P Petros, Lori A Hazlehurst
Treatment options for patients with multiple myeloma (MM) have increased during the past decade. Despite the significant advances, challenges remain on which combination strategies will provide the optimal response for any given patient. Defining optimal combination strategies and corresponding companion diagnostics, that will guide clinical decisions are required to target relapsed or refractory multiple myeloma (RRMM) in order to improve disease progression, survival and quality of life for patients with MM...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28740673/clinical-and-pathological-aspects-of-microscopic-thymoma-with-myasthenia-gravis-and-review-of-published-reports
#15
Mitsuro Fukuhara, Mitsunori Higuchi, Yuki Owada, Takuya Inoue, Yuzuru Watanabe, Takumi Yamaura, Satoshi Muto, Takeo Hasegawa, Hiroyuki Suzuki
BACKGROUND: Microscopic thymomas, defined as epithelial proliferations smaller than 1 mm in diameter, characteristically occur in patients with myasthenia gravis without macroscopic thymic epithelial tumors. However, some clinical and pathological aspects of this entity are still unclear. METHODS: This retrospective study includes five consecutive patients who had undergone extended thymectomy for myasthenia gravis at our institution from April 2007 to March 2016 and in whom microscopic thymomas were diagnosed by histopathological examination of the resected specimens...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28736182/immune-checkpoint-therapy-of-mesothelioma-pre-clinical-bases-and-clinical-evidences
#16
Luana Calabrò, Giovanni Luca Ceresoli, Armida D'Incecco, Arnaud Scherpereel, Joachim Aerts, Michele Maio
Treatment with immune-checkpoint blocking monoclonal antibody (mAb) is demonstrating a significant efficacy in different tumor types. Here, we discuss the impact of this promising approach in malignant mesothelioma (MM), a still dreadful disease in which medical treatment has been set on platinum based chemotherapy for decades with unsatisfactory results.
July 12, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28734992/endoscopic-muscle-biopsy-emb-of-the-duodenum-and-rectum-a-pilot-survival-study-in-a-porcine-model-to-detect-myenteric-neurons
#17
E Rajan, B Al-Bawardy, C J Gostout, L M Wong Kee Song, J L Deters, M A Knipschield, C E Bernard, G Farrugia
BACKGROUND AND AIMS: Small bowel and colorectal muscle biopsies require a surgical approach. Advancing our understanding of the pathophysiology of motility disorders, such as functional bowel disorders, intestinal pseudo-obstruction and slow transit constipation, is hindered by our inability to non-invasively obtain muscularis propria (MP) for evaluation of multiple cell types, including myenteric neurons. The aims of this study were to determine (1) technical feasibility, reproducibility and safety of performing duodenal endoscopic muscle biopsy (dEMB) and rectal endoscopic muscle biopsy (rEMB) using a clip-assist technique; and (2) presence of myenteric neurons in tissue samples...
July 19, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28734795/monoclonal-antibodies-in-multiple-myeloma-a-new-wave-of-the-future
#18
REVIEW
Daniel W Sherbenou, Tomer M Mark, Peter Forsberg
In 2015, 2 monoclonal antibodies were approved for the treatment of relapsed or refractory multiple myeloma (RRMM), elotuzumab and daratumumab. Elotuzumab is a monoclonal IgG-κ antibody directed against SLAMF7 (signaling lymphocytic activation molecule F7), a cell surface receptor involved in natural killer cell activation. Daratumumab is a monoclonal IgG-κ antibody that binds to CD38, a transmembrane protein found on the surface of myeloma cells and responsible for cellular adhesion and ectoenzymatic activity...
June 27, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28732547/crescentic-glomerular-nephritis-associated-with-rheumatoid-arthritis-a-case-report
#19
K Balendran, L D S U Senarathne, R D Lanerolle
BACKGROUND: Rheumatoid arthritis is a systemic disorder where clinically significant renal involvement is relatively common. However, crescentic glomerular nephritis is a rarely described entity among the rheumatoid nephropathies. We report a case of a patient with rheumatoid arthritis presenting with antineutrophil cytoplasmic antibody-negative crescentic glomerular nephritis. CASE PRESENTATION: A 54-year-old Sri Lankan woman who had recently been diagnosed with rheumatoid arthritis was being treated with methotrexate 10 mg weekly and infrequent nonsteroidal anti-inflammatory drugs...
July 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28731116/liquid-exfoliation-of-2d-mos2-nanosheets-and-their-utilization-as-a-label-free-electrochemical-immunoassay-for-subclinical-ketosis
#20
Satish K Tuteja, Todd Duffield, Suresh Neethirajan
We report the step-by-step fabrication of a 2D MoS2 nanostructure-based disposable electrochemical immunosensor to detect β-hydroxybutyrate (βHBA), a novel subclinical ketosis biomarker. The MoS2 nanosheets were exfoliated in the liquid phase by ultrasonication, and then followed by deposition on gold colloid modified screen-printed electrodes (Au-SPE). The MoS2-modified electrodes were thoroughly characterized by physical, electrochemical as well as spectroscopic techniques, and the obtained results indicate the successful and irreversible electrodeposition of MoS2 nanosheets...
August 3, 2017: Nanoscale
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