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Red cell pathology

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https://www.readbyqxmd.com/read/28230832/specific-interactions-between-lectins-and-red-blood-cells-of-chornobyl-cleanup-workers-as-indicator-of-some-late-radiation-effects
#1
I S Karpova
AIM: Growing interest in lectins is based on their diagnostic and pharmacological potential, especially the ability to inhibit proliferation and initiate apoptosis of cancer cells. In our research microplate lectinoassay able to detect carbohydrate containing structures (receptors) on erythrocyte surface have been proposed for Chornobyl cleanup workers (1986) monitoring. It was expected to reveal specific abnormalities associated with pathological condition arising as a result of late radiation effects...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28225499/primary-cutaneous-diffuse-large-b-cell-lymphoma-other-successfully-treated-by-the-combination-of-r-chop-chemotherapy-and-surgery-a-case-report-and-review-of-literature
#2
Jinjing Jia, Wensheng Li, Yan Zheng
RATIONALE: The occurrence of primary cutaneous diffuse large B cell lymphoma-other (PCDLBCL-O) has been rarely reported in the literature. Its diagnosis is based on histopathological and immunohistochemical examinations. To improve the clinical diagnosis and treatment for PCDLBCL-O, we report a case of PCDLBCL-O successfully treated by the combination of R-CHOP (A chemotherapy protocol consists of cyclophosphamide, doxorubicin, vincristine, prednisone plus Rituximab) chemotherapy and surgery...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28224046/eighth-international-chorea-acanthocytosis-symposium-summary-of-workshop-discussion-and-action-points
#3
Samuel S Pappas, Juan Bonifacino, Adrian Danek, William T Dauer, Mithu De, Lucia De Franceschi, Gilbert DiPaolo, Robert Fuller, Volker Haucke, Andreas Hermann, Benoit Kornmann, Bernhard Landwehrmeyer, Johannes Levin, Aaron M Neiman, Dobrila D Rudnicki, Ody Sibon, Antonio Velayos-Baeza, Jan J Vonk, Ruth H Walker, Lois S Weisman, Roger L Albin
Chorea-Acanthocytosis (ChAc) is a rare hereditary neurological disorder characterized by abnormal movements, red blood cell pathology, and progressive neurodegeneration. Little is understood of the pathogenesis of ChAc and related disorders (collectively Neuroacanthocytosis). The Eighth International Chorea-Acanthocytosis Symposium was held in May 2016 in Ann Arbor, MI, USA, and focused on molecular mechanisms driving ChAc pathophysiology. Accompanying the meeting, members of the neuroacanthocytosis research community and other invited scientists met in a workshop to discuss the current understanding and next steps needed to better understand ChAc pathogenesis...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28223716/preoperative-red-cell-distribution-width-and-neutrophil-to-lymphocyte-ratio-predict-survival-in-patients-with-epithelial-ovarian-cancer
#4
Zheng Li, Na Hong, Melissa Robertson, Chen Wang, Guoqian Jiang
Several parameters of preoperative complete blood count (CBC) and inflammation-associated blood cell markers derived from them have been reported to correlate with prognosis in patients with epithelial ovarian cancer (EOC), but their prognostic importance and optimal cutoffs are still needed be elucidated. Clinic/pathological parameters, 5-year follow-up data and preoperative CBC parameters were obtained retrospectively in 654 EOC patients underwent primary surgery at Mayo Clinic. Cutoffs for neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and monocyte-to-lymphocyte ratio (MLR) were optimized by receiver operating characteristic (ROC) curve...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219324/non-anti-coagulant-factors-associated-with-filter-life-in-continuous-renal-replacement-therapy-crrt-a-systematic-review-and-meta-analysis
#5
Matthew Brain, Elizabeth Winson, Owen Roodenburg, John McNeil
BACKGROUND: Optimising filter life and performance efficiency in continuous renal replacement therapy has been a focus of considerable recent research. Larger high quality studies have predominantly focussed on optimal anticoagulation however CRRT is complex and filter life is also affected by vascular access, circuit and management factors. We performed a systematic search of the literature to identify and quantify the effect of vascular access, circuit and patient factors that affect filter life and presented the results as a meta-analysis...
February 20, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28213912/diagnostic-red-flags-steroid-treated-malignant-cns-lymphoma-mimicking-autoimmune-inflammatory-demyelination
#6
Alonso Barrantes-Freer, Aylin Sophie Engel, Odir Antonio Rodríguez-Villagra, Anne Winkler, Markus Bergmann, Christian Mawrin, Tania Kuempfel, Hannah Pellkofer, Imke Metz, Annalen Bleckmann, Silvia Hernández-Durán, Sven Schippling, Elisabeth J Rushing, Stephan Frank, Markus Glatzel, Jakob Matschke, Christian Hartmann, Guido Reifenberger, Wolf Müller, Hans-Ulrich Schildhaus, Wolfgang Brück, Christine Stadelmann
The presence of inflammation and demyelination in a central nervous system (CNS) biopsy points towards a limited, yet heterogeneous group of pathologies, of which multiple sclerosis (MS) represents one of the principal considerations. Inflammatory demyelination has also been reported in patients with clinically suspected primary central nervous system lymphoma (PCNSL), especially when steroids had been administered prior to biopsy acquisition. The histopathological changes induced by corticosteroid treatment can range from mild reduction to complete disappearance of lymphoma cells...
February 18, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28213861/peri-operative-allogeneic-blood-transfusion-and-outcomes-after-radical-cystectomy-a-population-based-study
#7
D Robert Siemens, Melanie T Jaeger, Xuejiao Wei, Francisco Vera-Badillo, Christopher M Booth
INTRODUCTION: To describe factors associated with peri-operative blood transfusion (PBT) at radical cystectomy (RC) for patients with bladder cancer and evaluate its association on both early and late outcomes. METHODS: Electronic records of treatment and surgical pathology reports were linked to the population-based Ontario Cancer Registry to identify all patients who underwent RC between 2000 and 2008. Modified Poisson regression model was used to determine the factors associated with PBT...
February 17, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28213059/multidisciplinary-team-learning-in-the-management-of-the-morbidly-adherent-placenta-outcome-improvements-over-time
#8
Alireza A Shamshirsaz, Karin A Fox, Hadi Erfani, Steven L Clark, Bahram Salmanian, B Wycke Baker, Michael Coburn, Amir A Shamshirsaz, Zhoobin H Bateni, Jimmy Espinoza, Ahmed A Nassr, Edwina J Popek, Shiu-Ki Hui, Jun Teruya, Celestine Shauching Tung, Jeffery A Jones, Martha Rac, Gary A Dildy, Michael A Belfort
BACKGROUND: Morbidly adherent placenta (MAP) is a serious obstetric complication causing mortality and morbidity. OBJECTIVE: To evaluate whether outcomes of patients with morbidly adherent placenta improve with increasing experience within a well-established multidisciplinary team at a single referral center. STUDY DESIGN: All singleton pregnancies with pathology-confirmed MAP (including placenta accreta, increta or percreta) managed by a multidisciplinary team between January 2011 and August 2016 were included in this retrospective study...
February 14, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#9
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210641/atypical-plasmacytic-proliferation-in-a-case-of-c3-glomerulopathy-pathophysiology-demystified
#10
Osama Elfituri, Nathan Aardsma, Suman Setty, Frederick Behm, Kimberly Czech
An 11-year-old Hispanic female underwent evaluation of asymptomatic proteinuria and hematuria. The patient denied fever, edema, and gross hematuria. Urinalysis showed mild proteinuria, and a urine microscopic examination revealed red blood cells. Screening tests for glomerulonephritis revealed a low C3 and negative ANA, ASO, DNAse-B, and ANCA. Histological examination of a renal biopsy specimen showed glomeruli with endocapillary proliferation, a predominant C3 deposition in the capillary loops by immunofluorescence, and electron dense deposits in the mesangium, paramesangium, and capillary walls by electron microscopy consistent with a diagnosis of C3 glomerulopathy...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28203236/the-deubiquitinating-enzyme-cylindromatosis-dampens-cd8-t-cell-responses-and-is-a-critical-factor-for-experimental-cerebral-malaria-and-blood-brain-barrier-damage
#11
Ursula Schmid, Werner Stenzel, Josephin Koschel, Maria Raptaki, Xu Wang, Michael Naumann, Kai Matuschewski, Dirk Schlüter, Gopala Nishanth
Cerebral malaria is a severe complication of human malaria and may lead to death of Plasmodium falciparum-infected individuals. Cerebral malaria is associated with sequestration of parasitized red blood cells within the cerebral microvasculature resulting in damage of the blood-brain barrier and brain pathology. Although CD8(+) T cells have been implicated in the development of murine experimental cerebral malaria (ECM), several other studies have shown that CD8(+) T cells confer protection against blood-stage infections...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28201958/blood-infusion-and-the-risk-of-haemorrhage-in-patients-undergoing-cardiac-surgery-with-extracorporeal-circulation
#12
Manuel Luque-Oliveros, María Ángeles García-Carpintero, Omar Cauli
PURPOSE: Patients undergoing cardiac surgery with extracorporeal circulation (ECC) frequently present haemorrhages as a complication associated with high morbidity and mortality. One of the factors that influences this risk is the volume of blood infused during surgery. The objective of this study was to determine the optimal volume of autologous blood that can be processed during cardiac surgery with ECC. We also determined the number of salvaged red blood cells to be reinfused into the patient in order to minimize the risk of haemorrhage in the postoperative period...
February 13, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28195470/total-synthesis-confirms-the-molecular-structure-proposed-for-oxidized-levuglandin-d2
#13
Yu-Shiuan Cheng, Wenyuan Yu, Yunfeng Xu, Robert G Salomon
Levuglandins (LG)D2 and LGE2 are γ-ketoaldehyde levulinaldehyde derivatives with prostanoid side chains produced by spontaneous rearrangement of the endoperoxide intermediate PGH2 in the biosynthesis of prostaglandins. Covalent adduction of LGs with the amyloid peptide Aβ1-42 promotes formation of the type of oligomers that have been associated with neurotoxicity and are a pathologic hallmark of Alzheimer's disease. Within 1 min of their generation during the production of PGH2 by cyclooxygenation of arachidonic acid, LGs are sequestered by covalent adduction to proteins...
February 14, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28192917/simple-reagentless-quantification-of-total-bilirubin-in-blood-via-microfluidic-phototreatment-and-image-analysis
#14
Brandon L Thompson, Sarah L Wyckoff, Doris M Haverstick, James P Landers
Total bilirubin (T-Bil) is an important clinical diagnostic marker that is measured frequently by physicians to assist in the diagnosis, treatment, and monitoring of multiple medical conditions. The work demonstrated here utilizes the 48-year-old mechanism of phototherapy that is commonly implemented in the treatment of infants with exaggerated physiologic and pathologic jaundice but adapts it to the microfluidic level for the ultimate purpose of total bilirubin quantitation. After acquisition of a small volume of blood (<10 μL) and through subsequent separation (plasma + red blood cells), a 3 μL plasma sample was imaged by a portable scanner and analyzed through a custom algorithm for color intensity...
February 13, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28178290/prenatal-exposure-to-respiratory-syncytial-virus-alters-postnatal-immunity-and-airway-smooth-muscle-contractility-during-early-life-reinfections
#15
Paul M Brown, Terri J Harford, Vandana Agrawal, Belinda Yen-Lieberman, Fariba Rezaee, Giovanni Piedimonte
Maternal viral infections can have pathological effects on the developing fetus which last long after birth. Recently, maternal-fetal transmission of respiratory syncytial virus (RSV) was shown to cause postnatal airway hyperreactivity (AHR) during primary early-life reinfection; however, the influence of prenatal exposure to RSV on offspring airway immunity and smooth muscle contractility during recurrent postnatal reinfections remains unknown. Therefore, we sought to determine whether maternal RSV infection impairs specific aspects of cell-mediated offspring immunity during early-life reinfections and the mechanisms leading to AHR...
2017: PloS One
https://www.readbyqxmd.com/read/28165846/further-highlighting-on-the-prevention-of-oxidative-damage-by-polyphenol-rich-wine-extracts
#16
Sara Salucci, Sabrina Burattini, Francesco Maria Giordano, Simone Lucarini, Giuseppe Diamantini, Elisabetta Falcieri
Wine contains various polyphenols such as flavonoids, anthocyanins, and tannins. These molecules are responsible for the quality of wines, influencing their astringency, bitterness, and color and they are considered to have antioxidant activity. Polyphenols, extracted from grapes during the processes of vinification, could protect the body cells against reactive oxygen species level increase and could be useful to rescue several pathologies where oxidative stress represents the main cause. For that, in this study, red and white wine, provided by an Italian vinery (Marche region), have been analyzed...
February 6, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28135323/human-cord-blood-and-bone-marrow-cd34-cells-generate-macrophages-that-support-erythroid-islands
#17
Eyayu Belay, Brian J Hayes, C Anthony Blau, Beverly Torok-Storb
Recently, we developed a small molecule responsive hyperactive Mpl-based Cell Growth Switch (CGS) that drives erythropoiesis associated with macrophages in the absence of exogenous cytokines. Here, we compare the physical, cellular and molecular interaction between the macrophages and erythroid cells in CGS expanded CD34+ cells harvested from cord blood, marrow or G-CSF-mobilized peripheral blood. Results indicated that macrophage based erythroid islands could be generated from cord blood and marrow CD34+ cells but not from G-CSF-mobilized CD34+ cells...
2017: PloS One
https://www.readbyqxmd.com/read/28128382/reproducible-in-vitro-model-for-dystrophic-calcification-of-cardiac-valvular-interstitial-cells-insights-into-the-mechanisms-of-calcific-aortic-valvular-disease
#18
Heather A Cirka, Johana Uribe, Vivian Liang, Frederick J Schoen, Kristen L Billiar
Calcific aortic valvular disease (CAVD) is the most prevalent valvular pathology in the United States. Development of a pharmacologic agent to slow, halt, or reverse calcification has proven to be unsuccessful as still much remains unknown about the mechanisms of disease initiation. Although in vitro models of some features of CAVD exist, their utility is limited by the inconsistency of the size and time course of the calcified cell aggregates. In this study, we introduce and verify a highly reproducible in vitro method for studying dystrophic calcification of cardiac valvular interstitial cells, considered to be a key mechanism of clinical CAVD...
January 27, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28128288/the-spleen-microenvironment-influences-disease-transformation-in-a-mouse-model-of-kit-d816v-dependent-myeloproliferative-neoplasm
#19
Natalie Pelusi, Maike Kosanke, Tamara Riedt, Corinna Rösseler, Kristin Seré, Jin Li, Ines Gütgemann, Martin Zenke, Viktor Janzen, Hubert Schorle
Activating mutations leading to ligand-independent signaling of the stem cell factor receptor KIT are associated with several hematopoietic malignancies. One of the most common alterations is the D816V mutation. In this study, we characterized mice, which conditionally express the humanized KIT(D816V) receptor in the adult hematopoietic system to determine the pathological consequences of unrestrained KIT signaling during blood cell development. We found that KIT(D816V) mutant animals acquired a myeloproliferative neoplasm similar to polycythemia vera, marked by a massive increase in red blood cells and severe splenomegaly caused by excessive extramedullary erythropoiesis...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28120133/three-dimensional-laparoscopic-anatomical-segment-8-liver-resection-with-glissonian-approach
#20
Jae Yool Jang, Ho-Seong Han, Yoo Seok Yoon, Jai Young Cho, YoungRok Choi, Woohyung Lee, Hong Kyung Shin, Han Lim Choi
BACKGROUND: Anatomical liver resection has been reported to have oncologic benefit over nonanatomical resection in surgery for hepatocellular carcinoma (HCC). Basic concept of anatomical resection is preventing tumor spread through the portal or venous flow. Few cases have been reported for laparoscopic anatomical segment 8 resection because of its technical difficulties. This video shows operative techniques for laparoscopic anatomical resection of segment 8, exposing middle and right hepatic vein and inferior vena cava using three-dimensional video...
January 24, 2017: Annals of Surgical Oncology
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