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Red blood cells and pathology

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https://www.readbyqxmd.com/read/29408640/importance-of-frequency-and-morphological-characteristics-of-nodular-diabetic-glomerulosclerosis-in-diabetic-nephropathy
#1
Fumihiko Yasuda, Akiko Mii, Megumi Morita, Michiko Aoki, Masako Tagawa, Sae Aratani, Tomohiro Kaneko, Yukinao Sakai, Akira Shimizu
The Renal Pathology Society proposed a pathological classification for diabetic nephropathy (DN) (RPS 2010). We retrospectively examined the renal structural-functional relationships using the RPS 2010 classification in 49 DN cases. We also evaluated the importance of the percentage of glomeruli with nodular diabetic glomerulosclerosis and their morphological characteristics (cellular, cellular and extracellular matrix [ECM] or ECM types) in the pathology of DN. The classes of DN (RPS 2010) were significantly correlated with the duration of diabetes mellitus (DM), degree of proteinuria, a decreased estimated glomerular filtration rate (eGFR), and the stages of Japanese clinical DM and chronic kidney disease (CKD)...
February 1, 2018: Human Pathology
https://www.readbyqxmd.com/read/29408453/a-randomized-control-trial-to-establish-the-feasibility-and-safety-of-rapamycin-treatment-in-an-older-human-cohort-immunological-physical-performance-and-cognitive-effects
#2
Ellen Kraig, Leslie A Linehan, Hanyu Liang, Terry Q Romo, Qianqian Liu, Yubo Wu, Adriana D Benavides, Tyler J Curiel, Martin A Javors, Nicolas Musi, Laura Chiodo, Wouter Koek, Jonathan A L Gelfond, Dean L Kellogg
Inhibition of the mechanistic target of rapamycin (mTOR) pathway by rapamycin (RAPA), an FDA-approved immunosuppressive drug used as a clinical therapy to prevent solid organ allograft rejection, enhances longevity in mice. Importantly, RAPA was efficacious even when initiated in relatively old animals, suggesting that mTOR inhibition could potentially slow the progression of aging-associated pathologies in older humans (Harrison et al., 2009; Miller et al., 2011). However, the safety and tolerability of RAPA in older human subjects have not yet been demonstrated...
February 3, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29400110/scutellarin-ameliorates-nonalcoholic-fatty-liver-disease-through-the-ppar%C3%AE-pgc-1%C3%AE-nrf2-pathway
#3
Xiaoxue Zhang, Renpeng Ji, Huijun Sun, Jinyong Peng, Xiaodong Ma, ChangYuan Wang, Yufeng Fu, Liuchi Bao, Yue Jin
Nonalcoholic fatty liver disease (NAFLD) is characterised by excessive accumulation of hepatic lipids and oxidative injury of hepatocytes. Scutellarin is a flavonoid glycoside having antioxidative stress activity. Our current study aims to investigate the molecular mechanism of scutellarin ameliorating NAFLD. Scutellarin treatment was applied to male C57BL/6 mice maintained on a high-fat diet (HFD) and HepG2 cells challenged with oleic acid. The antioxidation biochemical indicators and lipid levels in the liver and cells were detected by kits...
February 5, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29397599/-the-clinical-characteristics-of-takayasu-s-arteritis-with-glomerulonephropathy
#4
Z Chen, Y J Yang, J Li, X P Tian
Objective: To investigate the clinical features of Takayasu's arteritis (TAK) with glomerulonephropathy and to improve physicians' understanding of this complication in patients with TAK. Methods: Clinical data were retrospectively collected including manifestations, laboratory tests, image findings and treatment of 8 patients diagnosed as Takayasu's arteritis with glomerulonephropathy from January 2002 to January 2017 in Peking Union Medical College Hospital. Results: Glomerulonephropathy was confirmed based on percutaneous renal biopsy...
February 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29397159/placental-pathology-in-neonatal-stroke-a-retrospective-case-control-study
#5
Miya E Bernson-Leung, Theonia K Boyd, Emily E Meserve, Amy R Danehy, Kush Kapur, Cameron C Trenor, Laura L Lehman, Michael J Rivkin
OBJECTIVE: To assess the association of placental abnormalities with neonatal stroke. STUDY DESIGN: This retrospective case-control study at 3 academic medical centers examined placental specimens for 46 children with neonatal arterial or venous ischemic stroke and 99 control children without stroke, using a standard protocol. Between-group comparisons used χ 2 and Fisher exact t test. Correlations used Spearman correlation coefficient. RESULTS: Case placentas were more likely than controls to meet criteria for ≥1 of 5 major categories of pathologic abnormality (89% vs 62%; OR, 5...
January 31, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29396875/interference-of-in-vitro-hemolysis-complete-blood-count
#6
Gabriela de Jonge, Talita L Dos Santos, Bruno R Cruz, Mackelly Simionatto, Jeanine I M Bittencourt, Everson A Krum, Mariane F Moss, Danielle Cristyane K Borato
BACKGROUND: Hemolysis may occur in vivo, under pathological conditions, or in vitro, related to pre-analytical errors. Hemolyzed samples may produce unreliable results, leading to errors in diagnostic and monitoring evaluations. This study aims to evaluate the interference of in vitro hemolysis on the interpretation of the parameters of the blood cell-counting performed by the impedance method. METHODS: Peripheral blood samples were collected in anticoagulant K2-EDTA and subsequently divided into three 1...
February 3, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29378352/atherothrombosis-and-thromboembolism-position-paper-from-the-second-maastricht-consensus-conference-on-thrombosis
#7
H M H Spronk, T Padro, J E Siland, J H Prochaska, J Winters, A C van der Wal, J J Posthuma, G Lowe, E d'Alessandro, P Wenzel, D M Coenen, P H Reitsma, W Ruf, R H van Gorp, R R Koenen, T Vajen, N A Alshaikh, A S Wolberg, F L Macrae, N Asquith, J Heemskerk, A Heinzmann, M Moorlag, N Mackman, P van der Meijden, J C M Meijers, M Heestermans, T Renné, S Dólleman, W Chayouâ, R A S Ariëns, C C Baaten, M Nagy, A Kuliopulos, J J Posma, P Harrison, M J Vries, H J G M Crijns, E A M P Dudink, H R Buller, Y M C Henskens, A Själander, S Zwaveling, O Erküner, J W Eikelboom, A Gulpen, F E C M Peeters, J Douxfils, R H Olie, T Baglin, A Leader, U Schotten, B Scaf, H M M van Beusekom, L O Mosnier, L van der Vorm, P Declerck, M Visser, D W J Dippel, V J Strijbis, K Pertiwi, A J Ten Cate-Hoek, H Ten Cate
Atherothrombosis is a leading cause of cardiovascular mortality and long-term morbidity. Platelets and coagulation proteases, interacting with circulating cells and in different vascular beds, modify several complex pathologies including atherosclerosis. In the second Maastricht Consensus Conference on Thrombosis, this theme was addressed by diverse scientists from bench to bedside. All presentations were discussed with audience members and the results of these discussions were incorporated in the final document that presents a state-of-the-art reflection of expert opinions and consensus recommendations regarding the following five topics: 1...
February 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29350086/hematoma-clearance-as-a-therapeutic-target-in-intracerebral-hemorrhage-from-macro-to-micro
#8
D Andrew Wilkinson, Richard F Keep, Ya Hua, Guohua Xi
Despite the absence of an intervention shown to improve outcomes in intracerebral hemorrhage, preclinical work has led to a greater understanding of the pathologic pathways of brain injury. Methods targeting hematoma clearance through both macroscopic (surgical) and microscopic (endogenous phagocytosis) means are currently under investigation, with multiple clinical trials ongoing. Macroscopic methods for removal involve both catheter- and endoscope-based therapies to remove the hematoma through minimally invasive surgery...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29348078/a-clinical-study-showing-altered-antioxidants-profile-in-patients-with-hypertension
#9
Abad Khan, Zafar Iqbal
We compared the plasma antioxidants level of normal control group with that of hypertensive patients in order to test the hypothesis "that antioxidants level has been diminished in hypertensive patients and that antioxidants are interconnected with each other making a network. The plasma and red blood cells antioxidants level of newly diagnosed hypertensive patients [(n=30), (mean age 53 years), (mean systolic BP 158 mmHg, mean diastolic BP 100 mmHg)] were compared to those of the control subjects [(n=30), (mean age 50 years), (mean systolic BP 126 mmHg, mean diastolic BP 90 mmHg)] using liquid chromatography linked with electrochemical detector (HPLC-ECD)...
January 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29347819/presence-of-rigid-red-blood-cells-in-blood-flow-interferes-with-the-vascular-wall-adhesion-of-leukocytes
#10
Mario Gutierrez, Margaret B Fish, Alexander W Golinski, Omolola Eniola-Adefeso
The symptoms of many blood diseases can often be attributed to irregularities in cellular dynamics produced by abnormalities in blood cells, particularly red blood cells (RBCs). Contingent on the disease and its severity, RBCs can be afflicted with increased membrane rigidity as seen in malaria and sickle cell disease. Despite this understanding, little experimental work has been conducted toward understanding the effect of RBC rigidity on cellular dynamics in physiologic blood flow. Though many have computationally modeled complex blood flow to postulate how RBC rigidity may disrupt normal hemodynamics, to date, there lacks a clear understanding of how rigid RBCs affect the blood cell segregation behavior in blood flow, known as margination, and the resulting change in the adhesion of white blood cells (WBCs)...
January 31, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29342997/-x-linked-inhibitor-of-apoptosis-deficiency-manifested-as-crohn-s-disease-a-case-report-and-literature-review
#11
L J Xu, Y Y Luo, J D Yu, J G Lou, Y H Fang, J Chen
Objective: To analyze the clinical characteristics of X-linked inhibitor of apoptosis (XIAP) deficient patients with clinical manifestation of Crohn's disease. Methods: Clinical manifestations, laboratory investigations, genetic testing and therapeutic interventions of one case of XIAP deficiency who was admitted to Department of Gastroenterology in Children's Hospital, Zhejiang University School of Medicine in May 2016 were summarized. PubMed and Chinese database for articles published from January 2016 to June 2017 were searched using the key words of'Crohn's disease'and'XIAP', and the relevant literature was reviewed...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29339043/the-relationship-between-red-cell-distribution-width-and-cancer-specific-survival-in-patients-with-renal-cell-carcinoma-treated-with-partial-and-radical-nephrectomy
#12
Marcin Życzkowski, Paweł Rajwa, Ewa Gabrys, Karolina Jakubowska, Ewelina Jantos, Andrzej Paradysz
INTRODUCTION: The aim of the study was to evaluate the influence of red cell distribution width (RDW) on cancer-specific survival (CSS) in patients who undergo nephrectomy for renal cell carcinoma (RCC). PATIENTS AND METHODS: A total number of 434 patients with pathologically proven RCC treated with radical or partial nephrectomy between 2003 and 2012 were identified in a single tertiary academic center. To evaluate the accuracy of RDW for CSS prediction, a receiver operating characteristic (ROC) curve was plotted...
December 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29324609/outcomes-of-planned-compared-with-urgent-deliveries-using-a-multidisciplinary-team-approach-for-morbidly-adherent-placenta
#13
Alireza A Shamshirsaz, Karin A Fox, Hadi Erfani, Steven L Clark, Amir A Shamshirsaz, Ahmed A Nassr, Nathan C Sundgren, Jeffery A Jones, Matthew L Anderson, Elias Kassir, Bahram Salmanian, Alexandra W Buffie, Shiu-Ki Hui, Jimmy Espinoza, Lynda A Tyer-Viola, Martha Rac, Niloofar Karbasian, Jerasimos Ballas, Gary A Dildy, Michael A Belfort
OBJECTIVE: To compare outcomes between planned and urgent cesarean hysterectomy for morbidly adherent placenta managed by a multidisciplinary team. METHODS: This is a retrospective case-control study of women with singleton pregnancies with antenatally suspected and pathologically confirmed morbidly adherent placenta who underwent cesarean hysterectomy between January 1, 2011, and February 30, 2017. Timing of delivery was classified as either planned (delivery at 34-35 weeks of gestation) or urgent (need for urgent delivery as a result of uterine contractions, bleeding, or both)...
February 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29315627/transfusion-support-for-transgender-men-of-childbearing-age
#14
James A Mays, Dina N Greene, Ryan A Metcalf, Monica B Pagano
BACKGROUND: To date, limited attention has been given to transgender recipients of blood components, particularly transgender men of childbearing age. Here, we highlight the essential information needed to provide transfusion support for this population. CASE REPORT: A 40-year-old transgender man, who retained his uterus and ovaries, presented with severe vaginal hemorrhage following biopsies for a cervical mass. He was admitted to the Gynecology unit and emergency blood was ordered...
January 7, 2018: Transfusion
https://www.readbyqxmd.com/read/29312621/elevated-red-blood-cell-distribution-width-predicts-poor-prognosis-in-hilar-cholangiocarcinoma
#15
Bei Li, Zhen You, Xian-Ze Xiong, Yong Zhou, Si-Jia Wu, Rong-Xing Zhou, Jiong Lu, Nan-Sheng Cheng
Background: Although the red blood cell distribution width (RDW) has been reported as a reliable predictor of prognosis in several types of cancer, the prognostic value of RDW in hilar cholangiocarcinoma (HC) has not been studied. Methods: A retrospective analysis of 292 consecutively recruited HC patients undergoing radical resection was conducted. The optimal cutoff value of RDW was determined by the receiver operating characteristic curve (ROC). Survival analysis by the Kaplan-Meier method, the difference between the clinico-pathologic variables and survival were evaluated by log-rank analysis...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29303771/short-and-medium-term-biological-variation-estimates-of-red-blood-cell-and-reticulocyte-parameters-in-healthy-subjects
#16
Sabrina Buoro, Anna Carobene, Michela Seghezzi, Barbara Manenti, Paola Dominoni, Aurelio Pacioni, Ferruccio Ceriotti, Cosimo Ottomano, Giuseppe Lippi
BACKGROUND: The integrated evaluation of traditional and innovative red blood cell (RBC) and reticulocyte parameters is a rapid, inexpensive and non-invasive diagnostic tools for differential diagnosis and follow-up of anemia and other pathological conditions needing bone marrow erythropoiesis assessment. Therefore, estimating the biological variation (BV) of these parameters is essential for evaluating the analytical performance of hematological analyzers, and for enabling accurate data interpretation and appropriate clinical management...
January 5, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29300196/mesenteric-oxygenation-changes-associated-with-necrotizing-enterocolitis-and-pneumoperitoneum-after-multiple-blood-transfusions-a-case-report
#17
Terri Marin, James E Moore
BACKGROUND: The multifactorial pathology and broad clinical presentation of necrotizing enterocolitis (NEC) development in premature infants make prediction of disease onset extremely challenging. Over the past decade, packed red blood cell (PRBC) transfusions have been temporally linked to the development of NEC in severely anemic preterm infants, although this issue is highly controversial. PURPOSE: In this case study, we describe events of an extremely low birth-weight infant who developed NEC complicated by pneumoperitoneum after receiving multiple PRBC transfusions...
January 3, 2018: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/29296731/human-and-murine-splenic-neutrophils-are-potent-phagocytes-of-igg-opsonized-red-blood-cells
#18
Sanne M Meinderts, Per-Arne Oldenborg, Boukje M Beuger, Thomas R L Klei, Johanna Johansson, Taco W Kuijpers, Takashi Matozaki, Elise J Huisman, Masja de Haas, Timo K van den Berg, Robin van Bruggen
Red blood cell (RBC) clearance is known to occur primarily in the spleen, and is presumed to be executed by red pulp macrophages. Erythrophagocytosis in the spleen takes place as part of the homeostatic turnover of RBCs to remove old RBCs. It can be strongly promoted by immunoglobulin G (IgG) opsonization of RBCs, a condition that can occur as a consequence of autoantibody or alloantibody formation. The purpose of our study was to investigate which phagocytes are involved in IgG-mediated RBC clearance in the human spleen...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29278889/erythromyeloid-derived-trem2-a-major-determinant-of-alzheimer-s-disease-pathology-in-down-syndrome
#19
Ruma Raha-Chowdhury, James W Henderson, Animesh Alexander Raha, Simon R W Stott, Romina Vuono, Simona Foscarin, Liam Wilson, Tiina Annus, Robert Fincham, Kieren Allinson, Vinod Devalia, Robert P Friedland, Anthony Holland, Shahid H Zaman
BACKGROUND: Down syndrome (DS; trisomy 21) individuals have a spectrum of hematopoietic and neuronal dysfunctions, and by the time they reach the age of 40 years, almost all develop Alzheimer's disease (AD) neuropathology which includes senile plaques and neurofibrillary tangles. Inflammation and innate immunity are key players in AD and DS. Triggering receptor expressed in myeloid cells-2 (TREM2) variants have been identified as risk factors for AD and other neurodegenerative diseases...
December 16, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29261747/sex-specific-reference-intervals-of-hematologic-and-biochemical-analytes-in-sprague-dawley-rats-using-the-nonparametric-rank-percentile-method
#20
Qili He, Guoming Su, Keliang Liu, Fangcheng Zhang, Yong Jiang, Jun Gao, Lida Liu, Zhongren Jiang, Minwu Jin, Huiping Xie
BACKGROUND: Hematologic and biochemical analytes of Sprague-Dawley rats are commonly used to determine effects that were induced by treatment and to evaluate organ dysfunction in toxicological safety assessments, but reference intervals have not been well established for these analytes. Reference intervals as presently defined for these analytes in Sprague-Dawley rats have not used internationally recommended statistical method nor stratified by sex. Thus, we aimed to establish sex-specific reference intervals for hematologic and biochemical parameters in Sprague-Dawley rats according to Clinical and Laboratory Standards Institute C28-A3 and American Society for Veterinary Clinical Pathology guideline...
2017: PloS One
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