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https://www.readbyqxmd.com/read/27913514/understanding-red-blood-cell-alloimmunization-triggers
#1
Jeanne E Hendrickson, Christopher A Tormey
Blood group alloimmunization is "triggered" when a person lacking a particular antigen is exposed to this antigen during transfusion or pregnancy. Although exposure to an antigen is necessary for alloimmunization to occur, it is not alone sufficient. Blood group antigens are diverse in structure, function, and immunogenicity. In addition to red blood cells (RBCs), a recipient of an RBC transfusion is exposed to donor plasma, white blood cells, and platelets; the potential contribution of these elements to RBC alloimmunization remains unclear...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911288/the-effect-of-base-transceiver-station-waves-on-some-immunological-and-hematological-factors-in-exposed-persons
#2
Mohammad Taheri, Ghodratollah Roshanaei, Jamileh Ghaffari, Samira Rahimnejad, Behzad Nazel Khosroshahi, Mohsen Aliabadi, Mohammad Mahdi Eftekharian
BACKGROUND: Since the number of mobile subscribers has significantly increased in recent years, the installation and deployment of Base Transceiver Station (BTS) antennas sending and receiving signals has become common and inevitable in different regions. OBJECTIVE: In this study, we have tried to evaluate the effect of the waves on some immunological and hematological parameters in exposed individuals. In this study, the exposed and non-exposed individuals were used as the test and control groups, respectively...
November 25, 2016: Human Antibodies
https://www.readbyqxmd.com/read/27900155/normal-platelet-function-in-platelet-concentrates-requires-non-platelet-cells-a-comparative-in-vitro-evaluation-of-leucocyte-rich-type-1a-and-leucocyte-poor-type-3b-platelet-concentrates
#3
William R Parrish, Breana Roides, Julia Hwang, Michael Mafilios, Brooks Story, Samir Bhattacharyya
BACKGROUND: Therapeutic success of platelet-rich plasma (PRP) may vary based on the composition and preparation method. The objective of this study was to evaluate the cellular components of platelet concentrates produced by a leucocyte-rich (LR-PRP) and a leucocyte-poor PRP systems (LP-PRP). METHODS: Parameters evaluated included platelet recovery, platelet concentration, red blood cell (RBC) and white blood cell (WBC) composition, platelet growth factor release and stimulation of human tendon cell proliferation in vitro...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27897313/the-impact-of-fist-clenching-and-its-maintenance-during-venipuncture-on-routine-hematology-testing
#4
Gabriel Lima-Oliveira, Gian Cesare Guidi, Gian Luca Salvagno, Giuseppe Lippi
BACKGROUND: Prevention of a disturbance of the blood vessel allows phlebotomists to collect a blood specimen by venipuncture that will truly mirror the patient condition. This study was aimed to evaluate the impact of repeated fist clenching and maintenance of the fist during blood collection by venipuncture for routine hematology testing. METHODS: Blood were collected from 16 healthy volunteers with two separate sequential procedures, entailing standard venipuncture with hand opened throughout blood collection, or clenching the fist six times before venipuncture and maintaining the fist until completion of blood collection...
November 29, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27895254/can-eosinophil-count-platelet-count-and-mean-platelet-volume-be-a-positive-predictive-factor-in-penile-arteriogenic-erectile-dysfunction-etiopathogenesis
#5
Mehmet Giray Sönmez, Yunus Emre Göğer, Leyla Öztürk Sönmez, Arif Aydın, Mehmet Balasar, Cengiz Kara
Blood count parameters of patients referring with erectile dysfunction (ED) were examined in this study and it was investigated whether eosinophil count (EC), platelet count (PC), and mean platelet volume values among the suspected predictive parameters which may play a role in especially penile arteriogenic ED etiopathogenesis had a contribution on pathogenesis. Patients referring with ED complaint were evaluated. Depending on the medical story, ED degree was determined by measuring International Index of Erectile Function...
November 28, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27881012/elevated-aspartate-aminotransferase-and-monocyte-counts-predict-unfavorable-prognosis-in-patients-with-malignant-pleural-mesothelioma
#6
A Zhang, S Cao, S Jin, J Cao, J Shen, B Pan, R Zhu, Y Yu
Limited biomarkers predicting prognosis of malignant pleural mesothelioma (MPM) have been identified. The present study aims to assess potential laboratory prognostic factors of MPM. We retrospectively reviewed the clinical data of 105 patients with MPM. The overall survival and prognostic factors were assessed by Kaplan-Meier curves and Cox regression analysis. A receiver operating characteristic (ROC) curve analysis was performed to determine the optimal cut-off values. The mean age of the 105 patients (62 men, 43 women) was 56...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27876946/evaluation-of-clinical-biochemical-and-haematological-markers-in-natural-infection-of-canine-monocytic-ehrlichiosis
#7
Rahul Parashar, Vikrant Sudan, Amit Kumar Jaiswal, Ashish Srivastava, Daya Shanker
Caanine monocytic ehrlichiosis caused by Ehrlichia canis has gained wider significance owing to its potential to inflict significant deleterious effect on the health of companion animals. In the present study, 46 confirmed ehrlichiosis positive dogs were evaluated for the alterations in clinical, haematological and biochemical attributes. Depression, anorexia, pyrexia, anaemia, weakness, jaundice, melana, vomition and diarrhoea were the main clinical symptoms onserved. Haematological alterations included pancytopenia especially thrombocytopenia...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27859568/6-methylmercaptopurine-induced-leukocytopenia-during-thiopurine-therapy-in-ibd-patients
#8
Berrie Meijer, Joany E Kreijne, Sofia A W van Moorsel, Luc J J Derijks, Gerd Bouma, Chris J J Mulder, Dennis R Wong, C Janneke van der Woude, Adriaan A van Bodegraven, Nanne K H de Boer
BACKGROUND: Thiopurines have a favorable benefit-risk ratio in the treatment of inflammatory bowel disease (IBD). A feared adverse event of thiopurine therapy is myelotoxicity, mostly occurring due to toxic concentrations of the pharmacologically active metabolites 6-thioguaninenucleotides. In oncology, myelosuppression has also been associated with elevated 6-methylmercaptopurine (6-MMP). In this case-series, we provide a detailed overview of 6-MMP-induced myelotoxicity in IBD patients...
November 16, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27856945/microfluidic-cartridges-for-automated-point-of-care-blood-cell-counting
#9
Suzanne Smith, Phophi Madzivhandila, René Sewart, Ureshnie Govender, Holger Becker, Pieter Roux, Kevin Land
Disposable, low-cost microfluidic cartridges for automated blood cell counting applications are presented in this article. The need for point-of-care medical diagnostic tools is evident, particularly in low-resource and rural settings, and a full blood count is often the first step in patient diagnosis. Total white and red blood cell counts have been implemented toward a full blood count, using microfluidic cartridges with automated sample introduction and processing steps for visual microscopy cell counting to be performed...
November 17, 2016: Journal of Laboratory Automation
https://www.readbyqxmd.com/read/27831646/mechanism-of-feedback-regulation-of-neutrophil-inflammation-in-henoch-sch%C3%A3-nlein-purpura
#10
J-J Wu, Y-T Zhu, Y-M Hu
OBJECTIVE: The aim of this study is to investigate the role of complement-neutrophil feedback regulation of inflammatory response in Henoch-Schönlein purpura (HSP) through constructing an animal model of HSP. MATERIALS AND METHODS: Twenty-four SPF grade Japanese large-eared white rabbits were randomly divided into normal group and model group, 12 for each group. HSP model was constructed by challenging rabbits with gastric gavage of a decoction solution containing ginger, Piper longum L...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27809262/benzene-exposure-alters-expression-of-enzymes-involved-in-fatty-acid-%C3%AE-oxidation-in-male-c3h-he-mice
#11
Rongli Sun, Meng Cao, Juan Zhang, Wenwen Yang, Haiyan Wei, Xing Meng, Lihong Yin, Yuepu Pu
Benzene is a well-known hematotoxic carcinogen that can cause leukemia and a variety of blood disorders. Our previous study indicated that benzene disturbs levels of metabolites in the fatty acid β-oxidation (FAO) pathway, which is crucial for the maintenance and function of hematopoietic and leukemic cells. The present research aims to investigate the effects of benzene on changes in the expression of key enzymes in the FAO pathway in male C3H/He mice. Results showed that benzene exposure caused reduced peripheral white blood cell (WBC), red blood cell (RBC), platelet (Pit) counts, and hemoglobin (Hgb) concentration...
October 31, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27784384/-thrombocytopoietic-efficacy-of-pegylated-recombinant-human-interleukin-11-mutein-in-myelosuppressed-mice
#12
Shan-Shan Ma, Seong-Hyun Ho, Hong-Ling Wang, Li-Ya Nie, Song-Shan Xu
OBJECTIVE: To evaluate the effect of PEGylated IL-11 mutein (PEG-mIL 11) with different dose or injection frequency on thrombocytopenia in myelosuppressed mice and to compare its effect with mIL-11, so as to provide reference data for clinical use. METHODS: Myelosuppressive model with thrombocyopenia was produced in BALB/c mice by whole body (60)Co γ-ray irradiation in dose of administration 2.5 Gy followed by i.p. injections of carboplatin at 50 mg/kg. In study of injection frequency, 30 thrombocytopenic BALB/c mice were randomly divided into 5 groups: vehicle control group (once daily on d1, 4, 7), mIL-11 group [200 µg/(kg·d)×9 d], PEG-mIL 11 A group [111800 µg/(kg·d)×1 d (d 1)], PEG-mIL 11 B group 900 µg/(kg·d)×2 d (d 1,5), and PEG-mIL 11 C group [600 µg/(kg·d)×3 d (d 1,4,7)]...
October 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/27784174/cardiac-safety-of-systemic-therapy-in-breast-cancer-patients-with-high-risk-of-atherosclerosis-complications
#13
Arthur Matyszewski, Anna M Czarnecka, Paweł Stachowiak, Marta Nowakowska, Zdzisława Kornacewicz-Jach, Jarosław D Kasprzak, Cezary Szczylik
AIM: This study was designed to verify the efficacy of breast cancer treatment and its cardiac toxicity in population with significant cardiac comorbidities. MATERIALS & METHODS: Prospective observational study was conducted in 48 patients. RESULTS: The increase and dependence of echocardiographic parameter early/late were observed on hemoglobin level in all patients, and white blood cells and cholesterol in patients with diabetic were reported...
October 27, 2016: Future Oncology
https://www.readbyqxmd.com/read/27773843/using-tiletamine-zolazepam-xylazine-anesthesia-compared-to-co2-inhalation-for-terminal-clinical-chemistry-hematology-and-coagulation-analysis-in-mice
#14
Oksana N Khokhlova, Elena A Tukhovskaya, Irina N Kravchenko, Elena S Sadovnikova, Irina A Pakhomova, Elena A Kalabina, Alexander V Lobanov, Elvira R Shaykhutdinova, Alina M Ismailova, Arkady N Murashev
INTRODUCTION: It is important that the method of anesthesia of mice does not considerably alter the animal's physiological and metabolic status before terminal blood sampling taken in order to analyze clinical pathology parameters. METHODS: Hematology, hemostasis, and clinical chemistry parameters were compared in male and female BALB/c mice exposed to either tiletamine-zolazepam-xylazine (TZX) anesthesia or euthanasia in carbon dioxide (CO2) chamber to reveal an alternative method of anesthesia vs...
October 20, 2016: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27768581/the-structural-and-functional-changes-of-blood-cells-and-molecular-components-in-diabetes-mellitus
#15
Leszek Szablewski, Anna Sulima
It is known fact that diabetes mellitus (DM) affects blood cells. Changes in the erythrocyte membrane, disorder in hemoglobin oxygen-binding and modification in mechanical characteristics, are effects of hyperglycemia on red blood cells. Altered susceptibility infection of patients with diabetes has been ascribed to a depression in the function of polymorphonuclear leukocytes. Neutrophil function in case of patients with diabetes with good glucose control is slightly different than in the case of healthy ones...
October 21, 2016: Biological Chemistry
https://www.readbyqxmd.com/read/27751864/evaluation-of-the-lh780-hematology-analyzer-for-detection-and-therapeutic-monitoring-of-malaria-cross-reactivity-with-nucleated-rbcs
#16
Jung Yoon, Seung Gyu Yun, Jeeyong Kim, Yoo Na Jung, Young Eun Koh, Jeong Hun Nam, Eun Taek Han, Chae Seung Lim
We evaluated the diagnostic usefulness of the LH780 Coulter blood cell counter for detection and therapeutic monitoring of malaria including cross-reactivity with nucleated RBC (NRBC) samples. A total of 405 patients (43 patients with Plasmodium vivax malaria and the control group of 120 healthy subjects, 111 patients with fever, and 131 patients with NRBCs) were analyzed with routine CBC using the LH780. We analyzed the CBC results according to three selected parameters: an abnormal peak in the WBC histogram before 35fL, the presence of red dots in the nonwhite cell zone of 2D WBC Diff Dataplot, and platelet-related flags suggesting platelet clumps or giant platelets...
October 14, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27747711/growth-factor-and-pro-inflammatory-cytokine-contents-in-platelet-rich-plasma-prp-plasma-rich-in-growth-factors-prgf-advanced-platelet-rich-fibrin-a-prf-and-concentrated-growth-factors-cgf
#17
Hideo Masuki, Toshimitsu Okudera, Taisuke Watanebe, Masashi Suzuki, Kazuhiko Nishiyama, Hajime Okudera, Koh Nakata, Kohya Uematsu, Chen-Yao Su, Tomoyuki Kawase
BACKGROUND: The development of platelet-rich fibrin (PRF) drastically simplified the preparation procedure of platelet-concentrated biomaterials, such as platelet-rich plasma (PRP), and facilitated their clinical application. PRF's clinical effectiveness has often been demonstrated in pre-clinical and clinical studies; however, it is still controversial whether growth factors are significantly concentrated in PRF preparations to facilitate wound healing and tissue regeneration. To address this matter, we performed a comparative study of growth factor contents in PRP and its derivatives, such as advanced PRF (A-PRF) and concentrated growth factors (CGF)...
December 2016: Int J Implant Dent
https://www.readbyqxmd.com/read/27716986/evaluation-of-performance-of-veterinary-in-clinic-hematology-analyzers
#18
Mark Rishniw, Paul D Pion
BACKGROUND: A previous study provided information regarding the quality of in-clinic veterinary biochemistry testing. However, no similar studies for in-clinic veterinary hematology testing have been conducted. OBJECTIVE: The objective of this study was to assess the quality of hematology testing in veterinary in-clinic laboratories using results obtained from testing 3 levels of canine EDTA blood samples. METHODS: Clinicians prepared blood samples to achieve measurand concentrations within, below, and above their RIs and evaluated the samples in triplicate using their in-clinic analyzers...
October 7, 2016: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/27714019/continuous-plasma-extraction-under-viscoelastic-fluid-in-a-straight-channel-with-asymmetrical-expansion-contraction-cavity-arrays
#19
Dan Yuan, Jun Zhang, Ronald Sluyter, Qianbin Zhao, Sheng Yan, Gursel Alici, Weihua Li
In this paper, continuous plasma extraction under viscoelastic fluid in a straight channel with asymmetrical expansion-contraction cavity arrays (ECCA channel) is demonstrated by exploiting the Dean-flow-coupled elasto-inertial effects. First, the forces experienced by particles in the ECCA channel were discussed. Then, 4.8 μm diameter particles, which mimic the behaviour of red blood cells (RBCs), were used to study the effects of poly(ethylene oxide) (PEO) concentrations and flow rates on particle viscoelastic focusing...
October 5, 2016: Lab on a Chip
https://www.readbyqxmd.com/read/27713602/increased-platelet-to-lymphocyte-ratios-and-low-relative-lymphocyte-counts-predict-appropriate-shocks-in-heart-failure-patients-with-icds
#20
Kevser Gülcihan Balci, Mustafa Mücahit Balci, Ugur Arslan, Burak Açar, Orhan Maden, Hatice Selcuk, Timur Selcuk
BACKGROUND: Platelet-to-lymphocyte ratio (PLR) and relative lymphocyte count (L%) are commonly available tests that can be obtained from complete blood count. The aim of this study was to investigate the association between appropriate defibrillator therapy and PLR, and whether decreased lymphocyte count may predict appropriate implantable cardioverter defibrillator (ICD) shocks in heart failure (HF) patients. METHODS: A total of 147 patients with ischemic or non-ischemic HF who underwent ICD implantation for primary prevention were enrolled in this study...
September 2016: Acta Cardiologica Sinica
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