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https://www.readbyqxmd.com/read/29471252/relationship-between-monocytes-to-lymphocytes-ratio-and-axial-spondyloarthritis
#1
Yukai Huang, Weiming Deng, Shaoling Zheng, Fan Feng, Zhixiang Huang, Qidang Huang, Xin Guo, Zhengping Huang, Xuechang Huang, Xia Pan, Tianwang Li
BACKGROUND: Axial spondyloarthritis (axSpA) is a progressive, chronic, inflammatory skeletal disorder affecting the spine and sacroiliac joints. Many studies have shown that neutrophils, lymphocytes, monocytes, platelets, and red blood cells (RBCs) play important roles in the inflammatory process of axSpA. Neutrophils to lymphocytes ratio (NLR) and red blood cell distribution width (RDW) have been reported to be simple and inexpensive markers to indicate the disease activity of axSpA...
February 19, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29468822/phycoerythrin-derived-tryptic-peptide-of-a-red-alga-pyropia-yezoensis-attenuates-glutamate-induced-er-stress-and-neuronal-senescence-in-primary-rat-hippocampal-neurons
#2
Jeong Hwan Oh, Eun-Young Kim, Taek-Jeong Nam
SCOPE: Glutamate-induced excitotoxicity involves in various neurodegenerative disorders. This study aimed to investigate whether a phycoerythrin-derived tryptic peptide of Pyropia yezoensis (PYP) reduces glutamate-induced excitotoxicity and neuronal senescence in primary rat hippocampal neurons. METHODS AND RESULTS: Glutamate exposure (100 μM) decreased cell viability and increased expression of endoplasmic reticulum (ER) stress response protein glucose-regulated protein 78 (GRP78) starting at 60 min following glutamate exposure, which was attenuated by PYP pretreatment (1 μg/mL)...
February 21, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29464179/leukocyte-cell-derived-chemotaxin-2-associated-renal-amyloidosis-a-case-report
#3
Gagandeep Kaur, Babitha Bijin, Kamron Saleem, Benjamin Sarsah, Bijin Thajudeen
Amyloidosis is a disorder characterized by the deposition of abnormal protein fibrils in tissues. Leukocyte cell-derived chemotaxin 2-associated amyloidosis is a recently recognized entity and is characterized by a distinctive clinicopathologic type of amyloid deposition manifested in adults by varying degrees of impaired kidney function and proteinuria. There are only a limited number of cases reported in the literature. We present a 64-year-old Hispanic female with a history of hypertension who was referred for chronic kidney disease management...
May 2017: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/29462032/perioperative-allogeneic-red-blood-cell-transfusion-associated-with-surgical-site-infection-after-total-hip-and-knee-arthroplasty
#4
Joshua S Everhart, John H Sojka, Joel L Mayerson, Andrew H Glassman, Thomas J Scharschmidt
BACKGROUND: Perioperative allogeneic red blood-cell transfusion is a suspected risk factor for surgical site infection (SSI) after total joint arthroplasty (TJA), but the interrelationships among SSI risk, transfusion dose, preoperative anemia, and the presence of coagulopathies have not been well described. METHODS: Data on SSI within 1 year after surgery as well as on transfusion with blood products within 30 days after surgery were obtained for 6,788 patients who had undergone primary or revision total hip or knee arthroplasty from 2000 to 2011 in a single hospital system...
February 21, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29461260/hemolysis-and-immune-regulation
#5
Hui Zhong, Karina Yazdanbakhsh
PURPOSE OF REVIEW: Hemolytic anemias caused by premature destruction of red blood cells occur in many disorders including hemoglobinopathies, autoimmune conditions, during infection or following reaction to drugs or transfusions. Recent studies which will be reviewed here have uncovered several novel mechanisms by which hemolysis can alter immunological functions and increase the risk of severe complications in hemolytic disorders. RECENT FINDINGS: Plasma-free heme can induce the formation of neutrophil extracellular traps (NETs) through reactive oxygen species signaling...
February 15, 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29458725/molecular-basis-and-genetic-modifiers-of-thalassemia
#6
REVIEW
Sachith Mettananda, Douglas R Higgs
Thalassemia is a disorder of hemoglobin characterized by reduced or absent production of one of the globin chains in human red blood cells with relative excess of the other. Impaired synthesis of β-globin results in β-thalassemia, whereas defective synthesis of α-globin leads to α-thalassemia. Despite being a monogenic disorder, thalassemia exhibits remarkable clinical heterogeneity that is directly related to the intracellular imbalance between α- and β-like globin chains. Novel insights into the genetic modifiers have contributed to the understanding of the correlation between genotype and phenotype and are being explored as therapeutic pathways to cure this life-limiting disease...
April 2018: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/29453764/comparative-analysis-of-human-ucb-and-adipose-tissue-derived-mesenchymal-stem-cells-for-their-differentiation-potential-into-brown-and-white-adipocytes
#7
Afrooz Rashnonejad, Gulinnaz Ercan, Cumhur Gunduz, Ali Akdemir, Yigit Ozer Tiftikcioglu
The differentiation potential of umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) into brown and white adipocytes in comparison to Adipose tissue derived MSCs (AD-MSCs) were investigated in order to characterize their potency for future cell therapies. MSCs were isolated from ten UCB samples and six liposuction materials. MSCs were differentiated into white and brown adipocytes after characterization by flow cytometry. Differentiated adipocytes were stained with Oil Red O and hematoxylin/eosin...
February 16, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29448966/exosomes-taken-up-by-neurons-hijack-the-endosomal-pathway-to-spread-to-interconnected-neurons
#8
Juan Carlos Polanco, Chuanzhou Li, Nela Durisic, Robert Sullivan, Jürgen Götz
In Alzheimer disease and related disorders, the microtubule-associated protein tau aggregates and forms cytoplasmic lesions that impair neuronal physiology at many levels. In addition to affecting the host neuron, tau aggregates also spread to neighboring, recipient cells where the misfolded tau aggregates, in a manner similar to prions, actively corrupt the proper folding of soluble tau, and thereby impair cellular functions. One vehicle for the transmission of tau aggregates are secretory nanovesicles known as exosomes...
February 15, 2018: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/29447888/pathogenesis-of-chronic-rhinosinusitis-in-patients-affected-by-%C3%AE-thalassemia-major-and-sickle-cell-anaemia-post-allogenic-bone-marrow-transplant
#9
F Martino, R Di Mauro, K Paciaroni, J Gaziev, C Alfieri, L Greco, R Floris, S Di Girolamo, M Di Girolamo
OBJECTIVES: Sickle cell anemia (SCA) and β -thalassemia major are well-recognized beta-globin gene disorders of red blood cells associated to mortality and morbidity included bone morbidities due to ineffective erythropoiesis and bone marrow expansion, which affect every part of the skeleton. While there are an abundance of described disease manifestations of the head and neck, the manner of paranasal sinuses involvement and its relations to β-thalassemia and SCA process was not studied yet...
March 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29446627/ultrabright-and-fluorogenic-probes-for-multicolor-imaging-and-tracking-of-lipid-droplets-in-cells-and-tissues
#10
Mayeul Collot, Tkhe-Kyong Fam, Pichandi Ashokkumar, Orestis Faklaris, Thierry Galli, Lydia Danglot, Andrey S Klymchenko
Lipid droplets (LDs) are intracellular lipid-rich organelles that regulate the storage of neutral lipids and were recently found to be involved in many physiological processes, metabolic disorders as well as diseases including obesity, diabetes and cancers. Herein we present a family of new fluorogenic merocyanine fluorophores based on an indolenine moiety and a dioxaborine barbiturate derivative. These so-called StatoMerocyanines (SMCy) span their fluorescence from yellow to the near infrared (NIR) in oil with an impressive fluorescence enhancement compared to aqueous media...
February 15, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29443098/a-novel-in-vitro-live-imaging-assay-of-astrocyte-mediated-phagocytosis-using-ph-indicator-conjugated-synaptosomes
#11
Youkyeong Gloria Byun, Won-Suk Chung
Astrocytes are the major cell type in the brain and directly contact synapses and blood vessels. Although microglial cells have been considered the major immune cells and only phagocytes in the brain, recent studies have shown that astrocytes also participate in various phagocytic processes, such as developmental synapse elimination and clearance of amyloid beta plaques in Alzheimer's disease (AD). Despite these findings, the efficiency of astrocyte engulfment and degradation of their targets is unclear compared with that of microglia...
February 5, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29439261/metabolomics-reveals-protection-of-resveratrol-in-diet-induced-metabolic-risk-factors-in-abdominal-muscle
#12
Guoyou Chen, Guozhu Ye, Xinbo Zhang, Xiaoxiao Liu, Yingfeng Tu, Zengjie Ye, Jincheng Liu, Qi Guo, Zhiguo Wang, Lin Wang, Sijun Dong, Yuhua Fan
BACKGROUND/AIMS: Abdominal obesity is recognized as the main reason of metabolic syndrome, which is closely related to disordered skeletal and/or abdominal muscle metabolic functions. Metabolomics is a comprehensive assessment system in biological metabolites. The aim of our present study is to investigate the diet-induced metabolic risk factors by metabolic in the abdominal muscles and clarify the relationship between atheroprotective effects of Resveratrol (Rev) and abdominal muscles metabolic components during the development of atherosclerosis...
February 7, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29432581/14q32-and-let-7-micrornas-regulate-transcriptional-networks-in-fetal-and-adult-human-erythroblasts
#13
Samuel Lessard, Mélissa Beaudoin, Stuart H Orkin, Daniel E Bauer, Guillaume Lettre
In humans, fetal erythropoiesis takes place in the liver whereas adult erythropoiesis occurs in the bone marrow. Fetal and adult erythroid cells are not only produced at different sites, but are also distinguished by their respective transcriptional program. In particular, whereas fetal erythroid cells express γ-globin chains to produce fetal hemoglobin (HbF), adult cells express β-globin chains to generate adult hemoglobin. Understanding the transcriptional regulation of the fetal-to-adult hemoglobin switch is clinically important as re-activation of HbF production in adult erythroid cells would represent a promising therapy for the hemoglobin disorders sickle cell disease and β-thalassemia...
February 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29423707/effect-of-reproductive-disorders-on-productivity-and-reproductive-efficiency-of-dromedary-she-camels-in-relation-to-cytokine-concentration
#14
O M El-Malky, T H Mostafa, A M Abd El-Salaam, M S Ayyat
This experiment was conducted to study the effect of reproductive disorders on reproductive efficiency and milk production in relation with pro-inflammatory cytokines in dromedary she-camels. Total of 20 late pregnant Maghrabi she-camels, aging 6-9 years, weighing 420-550 kg, and between the second and third parities were divided into two groups. Animals in the first group (n = 12) showed normal reproductive status (G1) at parturition, while those in the second one (n = 8) were suffered from reproductive disorders after parturition (G2)...
February 8, 2018: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29421700/synthesis-biological-evaluation-and-molecular-modeling-studies-of-phenyl-benzhydrylpiperazine-derivatives-as-potential-mao-inhibitors
#15
Bhupinder Kumar, Sheetal, Anil K Mantha, Vinod Kumar
Monoamine oxidase inhibitors (MAOIs) are potential drug candidates for the treatment of various neurological disorders like Parkinson's disease, Alzheimer's disease and depression. In the present study, two series of 4-substituted phenylpiperazine and 1-benzhydrylpiperazine (1-21) derivatives were synthesized and screened for their MAO-A and MAO-B inhibitory activity using Amplex Red assay. Most of the synthesized compounds were found selective for MAO-B isoform except compounds 3, 7, 8, 9 and 13 (MAO-A selective) while compound 11 was non-selective...
January 16, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29418070/children-with-sickle-cell-disease-migrating-to-the-united-states-from-sub-saharan-africa
#16
Courtney D Thornburg, Russell E Ware
Sickle cell disease (SCD) is an inherited red blood cell disorder that occurs worldwide and results in significant morbidity and mortality. In addition to affected children who are born in the US, an increasing number of children with SCD are migrating to the US with their families or through international adoption. Children arriving as immigrants or refugees have unique medical and psychosocial challenges that require a multidisciplinary team approach which takes into account the family's primary language, culture, and health beliefs...
February 8, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29417859/newborn-screening-for-hemoglobinopathies-and-red-cell-enzymopathies-in-tripura-state-a-malaria-endemic-state-in-northeast-india
#17
Dipti Upadhye, Rajat S Das, Jayanta Ray, Shukdeb Acharjee, Kanjaksha Ghosh, Roshan B Colah, Malay B Mukherjee
Hemoglobinopathies are a group of inherited single gene disorders. There are reports on hemoglobin (Hb) variants identified in the tribal and non-tribal populations of Tripura State in northeastern India. This study aimed to determine the spectrum of hemoglobinopathies and enzymopathies by newborn screening in Tripura State and assess the extent of neonatal jaundice. A total of 2400 cord blood samples were collected and analyzed by high performance liquid chromatography (HPLC). Further confirmation of any abnormal HPLC was done by DNA analysis...
February 8, 2018: Hemoglobin
https://www.readbyqxmd.com/read/29410160/sensing-adhesion-forces-between-erythrocytes-and-%C3%AE-fibrinogen-modulating-fibrin-clot-architecture-and-function
#18
Ana Filipa Guedes, Filomena A Carvalho, Marco M Domingues, Fraser L Macrae, Helen R McPherson, Nuno C Santos, Robert A S Ariёns
Plasma fibrinogen includes an alternatively spliced γ-chain variant (γ'), which mainly exists as a heterodimer (γAγ') and has been associated with thrombosis. We tested γAγ' fibrinogen-red blood cells (RBCs) interaction using atomic force microscopy-based force spectroscopy, magnetic tweezers, fibrin clot permeability, scanning electron microscopy and laser scanning confocal microscopy. Data reveal higher work necessary for RBC-RBC detachment in the presence of γAγ' rather than γAγA fibrinogen. γAγ' fibrinogen-RBCs interaction is followed by changes in fibrin network structure, which forms an heterogeneous clot structure with areas of denser and highly branched fibrin fibers...
February 1, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29406202/diagnosis-and-management-of-headache-in-older-adults
#19
REVIEW
Amaal J Starling
Headache is a common, disabling neurologic problem in all age groups, including older adults. In older adults, headache is most likely a primary disorder, such as tension-type headache or migraine; however, there is a higher risk of secondary causes, such as giant cell arteritis or intracranial lesions, than in younger adults. Thus, based on the headache history, clinical examination, and presence of headache red flags, a focused diagnostic evaluation is recommended, ranging from blood tests to neuroimaging, depending on the headache characteristics...
February 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29403210/prevalence-of-hemoglobin-variants-and-hemoglobinopathies-using-cation-exchange-high-performance-liquid-chromatography-in-central-reference-laboratory-of-india-a-report-of-65779-cases
#20
Sandeep Warghade, Jyothi Britto, Reshma Haryan, Tejaswi Dalvi, Rajesh Bendre, Pratiksha Chheda, Sunmeet Matkar, Yogita Salunkhe, Milind Chanekar, Nilesh Shah
CONTEXT: Hemoglobinopathies constitute the world's most common genetically inherited red blood cell disorder. Screening and accurate identification of hemoglobin (Hb) variants have become increasingly important in antenatal diagnosis and prevention of Hb disorders. AIM: The aim of this study was to screen and identify Hb fractions prevalent in the Central Reference Laboratory of India. MATERIALS AND METHODS: A total of 65,779 cases were screened for hemoglobinopathies on the bio-rad variant high-performance liquid chromatography (HPLC) system by beta-thalassemia short program...
January 2018: Journal of Laboratory Physicians
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