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https://www.readbyqxmd.com/read/28220348/proteasome-inhibitor-mg132-induces-thyroid-cancer-cell-apoptosis-by-modulating-the-activity-of-transcription-factor-foxo3a
#1
Wei Qiang, Fang Sui, Jingjing Ma, Xinru Li, Xiaojuan Ren, Yuan Shao, Jiazhe Liu, Haixia Guan, Bingyin Shi, Peng Hou
Proteasome inhibitors are promising antitumor drugs with preferable cytotoxicity in malignant cells and have exhibited clinical efficiency in several hematologic malignancies. P53-dependent apoptosis has been reported to be a major mechanism underlying. However, apoptosis can also be found in cancer cells with mutant-type p53, suggesting the involvement of p53-independent mechanism. Tumor suppressor forkhead Box O3 is another substrate of proteasomal degradation, which also functions partially through inducing apoptosis...
February 20, 2017: Endocrine
https://www.readbyqxmd.com/read/28208868/female-genital-tract-involvement-in-acute-lymphoblastic-leukemia-a-rare-case-report
#2
Vikram Narang, Amit Dhiman, Bhavna Garg, Neena Sood
Female Genital Tract (FGT) involvement with hematologic neoplasms is uncommon and the hematologic malignancies which involve the female genital organs are usually non-Hodgkin's lymphoma. Involvement of the uterus and cervix with Acute Lymphoblastic Leukaemia (ALL) is extremely rare, and ovarian involvement is even rarer. We report the case of a young lady who presented with tubo-ovarian mass, excessive post-operative bleeding (post-total abdominal hystrerctomy and bilateral salpingo-oophorectomy) and was diagnosed to have ALL with blood and tissue involvement by histopathology and flow cytometry...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28205462/atypical-chronic-myeloid-leukemia-in-a-german-shepherd-dog
#3
Christina L Marino, Jimmy N S N Tran, Tracy Stokol
A 4-y-old neutered male German Shepherd Dog was presented with a 3-d duration of lethargy, restlessness, and vomiting. Physical examination revealed generalized lymphadenopathy, pale mucous membranes, systolic heart murmur, dehydration, and fever. Hematologic abnormalities included moderate-to-marked leukocytosis, characterized by neutrophilia with a left shift to progranulocytes and 2% presumptive myeloid blasts, marked anemia that was nonregenerative, and marked thrombocytopenia. Dysplasia was evident in neutrophils and platelets...
February 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28194057/clinical-characteristics-and-prognosis-of-167-cases-of-acute-erythroleukemia
#4
Zhi-Qiang Ma, Ji-Hong Pan, Da-Xin Jing, Chong-Yan Xu
To observe the biological characteristic and the prognoses in patients with acute erythroleukemia (AEL). The results of 167 patients with newly diagnosed AEL, from January 2004 and June 2014 in the department of Hematology, Shandong Province Chinese Medicine Hospital, were reviewed by morphology, immunology, cytogenetics, molecular biology. Flow cytometry analysis indicated that CD13 (96.1 %), CD33 (95.1 %), CD117 (87.4 %) and CD34 (79.4 %) were highly expressed in AEL. 56 of 148 (37.8 %) AEL patients had a variety of cytogenetic abnormalities, 27 of 148 (18...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28185460/-daratumumab-hope-for-myeloma-patients-a-challenge-for-clinical-laboratories
#5
T Jelínek, M Kořístka, Z Čermáková, R Hájek
Monoclonal antibodies represent a standard part in the treatment of oncologic patients, but their efficacy in multiple myeloma used to be unsatisfactory. Daratumumab monotherapy was approved by the American FDA in 2015, after unprecedented results were obtained in a heavily pre-treated group of patients. In 2016 daratumumab was approved in combination with lenalidomide and dexamethasone, or bortezomib and dexamethasone, for the treatment of myeloma patients who have received at least one prior therapy.The toxicity of the drug is low, and is dominated by infusion-related reactions in more or less half of patients...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28183683/study-of-cd4-cd8-and-natural-killer-cells-cd16-cd56-in-children-with-immune-thrombocytopenic-purpura
#6
Farida Hussein El-Rashedi, Mahmoud Ahmed El-Hawy, Mohamed Ahmed Helwa, Sameh Said Abd-Allah
OBJECTIVE/BACKGROUND: To assess the percentage of CD4(+), CD8(+), and natural killer cells (CD16(+), CD56(+)) in children with immune thrombocytopenic purpura (ITP) at presentation and study their impact on disease chronicity. METHODS: This case-control study was conducted at the Pediatric Hematology and Oncology Unit, Menoufia University Hospital (tertiary care center in Egypt). The study was held on 30 children presenting with ITP; they were followed-up and classified into two groups: 15 children with acute ITP; and 15 children with chronic ITP...
February 1, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28176301/phenotypic-analysis-of-circulating-t-cell-subset-and-its-association-with-burden-of-skin-disease-in-patients-with-chronic-actinic-dermatitis-a-hematologic-and-clinicopathologic-study-of-20-subjects
#7
Toshihisa Hamada, Yumi Aoyama, Yoshinori Shirafuji, Keiji Iwatsuki
BACKGROUND: Chronic actinic dermatitis (CAD) is a recurrent photosensitive dermatitis that occurs predominantly on sun-exposed areas with unknown etiology. In severe cases, it may present with erythroderma, which is clinicopathologically analogous to cutaneous T-cell lymphoma. Typically, inflammatory infiltrates in the skin lesions are mainly CD8(+) reactive T cells. However, hematologic characteristics of CAD have not been fully elucidated. METHODS: Twenty patients with CAD ranging in age from 45 to 86 years (median, 64), including 17 males and three females (M/F ratio, 5...
February 7, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28174491/comprehensive-evaluation-of-nutritional-status-before-and-after-hematopoietic-stem-cell-transplantation-in-170-patients-with-hematological-diseases
#8
Peng Liu, Boshi Wang, Xia Yan, Jingjing Cai, Yu Wang
OBJECTIVE: To investigate the nutritional status of patients before and after hematopoietic stem cell transplantation (HSCT), and explore optimal methods for assessing nutritional status in patients with hematological diseases. METHODS: This cohort study enrolled 170 patients who were diagnosed with hematological diseases and underwent allogeneic HSCT in the Department of Hematology, Peking University People's Hospital between May 2011 and April 2013. We used fixed-point continuous sampling and four nutritional screening tools, Nutritional Risk Screening 2002 (NRS-2002), Mini Nutritional Assessment (MNA), Subjective Global Assessment (SGA) and Malnutrition Universal Screening Tools (MUST), in combination with body measurements, to extensively screen and evaluate nutritional risks and status in patients receiving HSCT before entering and after leaving laminar air flow rooms...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28161541/yupingfeng-powder-relieves-the-immune-suppression-induced-by-dexamethasone-in-mice
#9
Yuhua Li, Bin Zheng, Huajie Tian, Xiaotao Xu, Yang Sun, Qibing Mei, Xiaotian Lin, Li Liu
ETHNOPHARMACOLOGICAL RELEVANCE: Yupingfeng Powder (YPF), a Chinese medical formula, is used traditionally for allergic diseases and characterized by reducing allergy relapse. In the present study, we attempted to investigate the effect of YPF on the immunity of mice and the possible mechanisms. MATERIALS AND METHODS: An immunosuppressive mice model induced by Dexamethasone (Dex) was used. Blood samples, spleen and thymus were collected. Then, hematology parameters and organ weight were measured; Phenotypic analyses (CD4(+)/CD8(+)) of lymphocytes were performed using a flow cytometer; Phagocytosis of peritoneal macrophages were evaluated by particle tracers; Spleen lymphocytes were isolated, whose proliferation and apoptosis were assessed...
February 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28158274/alterations-of-erythrocyte-rheology-and-cellular-susceptibility-in-end-stage-renal-disease-effects-of-peritoneal-dialysis
#10
Nesrin Zeynep Ertan, Semra Bozfakioglu, Elif Ugurel, Mukaddes Sinan, Ozlem Yalcin
In this study, we investigated the effects of peritoneal dialysis on hemorheological and hematological parameters and their relations with oxidant and antioxidant status of uremic patients. Hemorheological parameters (erythrocyte deformability, erythrocyte aggregation, osmotic deformability, blood and plasma viscosity) were measured in patients with renal insufficiency undergoing peritoneal dialysis (PD) and volunteers. Erythrocyte deformability, osmotic deformability and aggregation in both autologous plasma and 3% dextran 70 were measured by laser diffraction ektacytometry...
2017: PloS One
https://www.readbyqxmd.com/read/28149019/serum-iron-folate-ferritin-and-cd4-count-in-hiv-seropositive-women
#11
Simmi Kharb, Manjulata Kumawat, Meenakshi Lallar, P S Ghalaut, Smiti Nanda
HIV infects cluster of differentiation 4 (CD4) T-lymphocytes, monocytes and macrophages resulting in decreased number and function of CD4 cells, changes that affect both cell mediated and humoral immunity. Hematological abnormalities are a common complication of human immune virus (HIV) infection and these abnormalities increase as the disease advances. Anemia is the most common haematological abnormality in HIV seropositive patients and its incidence is strongly associated with the progression of the disease...
March 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28143650/usefulness-of-bronchoalveolar-lavage-and-flow-cytometry-in-patients-with-hematological-malignancies-and-respiratory-failure
#12
Christelle Ferrà, Blanca Xicoy, Nerea Castillo, Mireia Morgades, Jordi Juncà, Felipe Andreo, Fuensanta Millá, Evarist Feliu, Josep-María Ribera
BACKGROUND AND OBJECTIVES: Strategies to improve the efficiency of bronchoalveolar lavage (BAL) are needed. We conducted a study to establish the diagnostic value of BAL in patients with hematological malignancies and pulmonary infiltrates. PATIENTS AND METHODS: The correlation of cytologic and flow cytometric study of BAL with the microbiological findings and the clinical evolution was determined. RESULTS: Seventy BAL were performed and flow cytometric study was analyzed in 23 of them...
January 28, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28131882/in-vitro-flow-through-assay-for-rapid-detection-of-endotoxin-in-human-sera-a-proof-of-concept
#13
Prasanta Kalita, Lakshmi M Chaturvedula, Venkataraman Sritharan, Shalini Gupta
An increase in endotoxin concentration in the bloodstream can trigger activation of innate immune response leading to septic shock. There is currently no method available for rapid endotoxin detection at a patient's bedside. We demonstrate a simple, portable and cost-effective strategy to measure endotoxin levels in human serum within 5min using a flow-through assay. A drop of serum containing LPS was spotted on an endotoxin-affinity membrane placed over high-wicking absorbent pads. Subsequent addition of polymyxin B sulfate drug-conjugated gold nanoparticles allowed concentration-dependent visualization of spots by the naked eye in the clinically-relevant range of 10pg/mL to 10ng/mL...
January 25, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28130849/methods-for-counting-residual-leukocytes-in-leukocyte-depleted-plasma-a-comparison-between-a-routine-hematology-instrument-the-nageotte-chamber-flow-cytometry-and-a-fluorescent-microscopy-analyzer
#14
Annika Petersson, Kim Ekblom
BACKGROUND: Counting very low levels of leukocytes is technically challenging but mandatory for quality control of leukocyte-depleted plasma. Established assays, such as flow cytometry and counting in the Nageotte chamber, are laborious and expensive. The aim of this study was to test two alternative assays, the cerebrospinal fluid program in the routine hematology analyzer ADVIA 2120 and a fluorescence microscopy analyzer, the ADAM-rWBC. STUDY DESIGN AND METHODS: Linearity, accuracy, and precision were established for the ADVIA 2120, the ADAM-rWBC analyzer and the Nageotte chamber with flow cytometry as the reference method...
January 28, 2017: Transfusion
https://www.readbyqxmd.com/read/28123303/vtd-melphalan-is-well-tolerated-and-results-in-very-high-rates-of-stringent-cr-and-mrd-negative-status-in-multiple-myeloma
#15
Kalyan Nadiminti, Kamal Kant Singh Abbi, Sarah L Mott, Lindsay Dozeman, Annick Tricot, Allyson Schultz, Sonya Behrends, Fenghuang Zhan, Guido Tricot
The addition of cytotoxic drugs to high-dose melphalan as a preparative regimen for autologous stem cell transplantation in multiple myeloma has not resulted in superior activity. Although novel agents have significantly improved outcome in multiple myeloma, their role in preparative regimens remains largely unknown. We have evaluated the toxicity and efficacy of combining bortezomib, thalidomide, and dexamethasone with high-dose melphalan. An institutional review board-approved retrospective analysis was performed on 100 consecutive patients receiving 153 transplants; 53 had tandem transplants; 64 patients received early transplants; and 36 had salvage transplantation...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28117428/focusing-and-alignment-of-erythrocytes-in-a-viscoelastic-medium
#16
Taesik Go, Hyeokjun Byeon, Sang Joon Lee
Viscoelastic fluid flow-induced cross-streamline migration has recently received considerable attention because this process provides simple focusing and alignment over a wide range of flow rates. The lateral migration of particles depends on the channel geometry and physicochemical properties of particles. In this study, digital in-line holographic microscopy (DIHM) is employed to investigate the lateral migration of human erythrocytes induced by viscoelastic fluid flow in a rectangular microchannel. DIHM provides 3D spatial distributions of particles and information on particle orientation in the microchannel...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28108645/whole-body-hyperthermia-but-not-skin-hyperthermia-accelerates-brain-and-locomotor-limb-circulatory-strain-and-impairs-exercise-capacity-in-humans
#17
Steven J Trangmar, Scott T Chiesa, Kameljit K Kalsi, Niels H Secher, José González-Alonso
Cardiovascular strain and hyperthermia are thought to be important factors limiting exercise capacity in heat-stressed humans, however, the contribution of elevations in skin (Tsk) versus whole body temperatures on exercise capacity has not been characterized. To ascertain their relationships with exercise capacity, blood temperature (TB), oxygen uptake (V̇O2), brain perfusion (MCA Vmean), locomotor limb hemodynamics, and hematological parameters were assessed during incremental cycling exercise with elevated skin (mild hyperthermia; HYPmild), combined core and skin temperatures (moderate hyperthermia; HYPmod), and under control conditions...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28103645/prognostic-impact-of-lymphocyte-subpopulations-in-peripheral-blood-after-hematopoietic-stem-cell-transplantation-for-hematologic-malignancies
#18
Sang Hyuk Park, Chan-Jeoung Park, Borae G Park, Mi-Hyun Bae, Bo-Hyun Kim, Young-Uk Cho, Seongsoo Jang, Ae Ja Park, Dae-Young Kim, Jung-Hee Lee, Je-Hwan Lee, Kyoo-Hyung Lee
BACKGROUND: We prospectively evaluated prognostic value of lymphocyte subpopulations in peripheral blood of allogeneic hematopoietic stem cell transplant (HSCT)-recipients. METHODS: 113 allogeneic HSCT (47 sibling matched, 37 unrelated matched, 29 haploidentical)-performed patients diagnosed as AML (n=66), ALL (n=28) and MDS (n=19) were prospectively enrolled. 14 lymphocyte subpopulations were quantified by flow cytometry of PB at specific time-points after HSCT, and their prognostic impacts were analyzed...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28103644/flow-cytometric-osmotic-fragility-test-increased-assay-sensitivity-for-clinical-application-in-pediatric-hematology
#19
Olga Ciepiela, Anna Adamowicz-Salach, Agata Zgodzińska, Magdalena Łazowska, Iwona Kotuła
BACKGROUND: Osmotic Fragility Test (OFT) is widely considered as a sensitive indicator of red blood cells' sensitivity to the hypotonic solution. It is often used as a screening test for the diagnosis of hereditary spherocytosis (HS). Nowadays, the osmotic fragility test based on flow cytometric analysis (FCM OF) is widely used in laboratory practice. The purpose of this study was to optimize the assay sensitivity and to validate its clinical application in the diagnostic screening of childhood anemias...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28101472/the-effects-of-hypoxia-on-u937-cell-line-in-mesenchymal-stem-cells-co-culture-system
#20
Mostafa Ejtehadifar, Karim Shamsasenjan, Parvin Akbarzadehlaleh, Sarah Zahedi, Narjes Kazemi
Purpose: Mesenchymal Stem Cells (MSCs) are the most important members of Bone Marrow (BM) milieu. MSCs affect different kinds of cells, particularly malignant cells of hematologic malignancies, but the effects of MSCs are unclear exactly. Here we analyzed the effects of derived Umbilical Cord Blood-MSCs on proliferation, cell death and some surface markers of U937 cell line in a Co-culture system with MSCs. Methods: Here we designed Co-culture systems as a model of BM milieu. We cultured U937 cells on UCB-MSCs and MSCs Conditioned Medium (C...
December 2016: Advanced Pharmaceutical Bulletin
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