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Flowcytometry

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https://www.readbyqxmd.com/read/29120579/expression-of-cd64-on-surface-of-circulating-monocytes-in-systemic-lupus-erythematosus-patients-relation-to-disease-activity-and-lupus-nephritis
#1
Yasser A Abd-Elhamid, Refaat M Eltanawy, Rasha M Fawzy, Nehad A Fouad, Ann M Atlm
CD64 is a type of integral membrane glycoprotein known as FC receptor that binds monomeric IgG-type antibodies with high affinity. It is more commonly known as FC gamma receptor 1 (FC?R1) and it is expressed on monocytes surface. The goal of this study was to investigate the association of CD64 expression on the surface of peripheral blood monocytes of systemic lupus erythematosus patients with disease activity, and lupus nephritis. 30 SLE patients were enrolled into this study. They were subdivided into: 15 SLE patients with lupus nephritis and 15 SLE patients without lupus nephritis...
January 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29103290/impact-of-applying-sex-sorted-semen-on-the-selection-proportion-of-the-sire-of-dams-selection-pathway-in-a-nucleus-program
#2
Sahereh Joezy-Shekalgorabi
Objectives: In a nucleus breeding scheme, the sire of dams pathway plays an important role in producing genetic improvement. Selection proportion is the key parameter for predicting selection intensity, through truncating the normal distribution. Semen sexing using flowcytometrie reduces the number of vials of sperm that can be obtained from a proved bull. In addition, a lower fertility of this kind of sperm is expected because of the lower sperm dosage in sex sorted semen. Both of these factors could affect the selection proportion in the sire of dams pathway (pSD)...
November 3, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/29076710/anaemia-and-iron-deficiency-in-pregnant-women-attending-an-antenatal-clinic-in-a-teaching-hospital-in-southern-sri-lanka
#3
D Senadheera, M Goonewardene, I Mampitiya
Introduction: In Sri Lanka the current prevalence of anaemia during pregnancy is estimated to be less than 20%. Objectives: To determine the rate of anaemia defined as hemoglobin concentration < 11 g/dl, and the rate of iron deficiency using the best cut off level of serum ferritin, in women presenting for antenatal care. Methods: Three hundred and fifty consecutive pregnant women with gestations between 12 to 20 weeks, presenting to the Academic Obstetric Unit at the Teaching Hospital Mahamodera, Galle, Sri Lanka from 10...
September 30, 2017: Ceylon Medical Journal
https://www.readbyqxmd.com/read/29069649/the-systemic-activation-of-programmed-death-1-pd-l1-axis-protects-systemic-lupus-erythematosus-model-from-nephritis
#4
Wenjun Liao, Hua Zheng, Sha Wu, Yanmei Zhang, Wei Wang, Zili Zhang, Chenfei Zhou, Hongjun Wu, Jie Min
BACKGROUND: Systemic lupus erythematosus (SLE) is characterized by abnormal activated T cells, autoreactive B cells, and massive cytokines. The CD4+ T cells determined B-cells differentiation and cytokines production. The programmed death 1 (PD-1) is the checkpoint immunoinhibitory receptor of activated T cells, and its engagement could exhaust T cells. In this study, we investigated the role of PD-1 systemic engagement with PD-L1-Ig in lupus-like nephritis in SLE mice. METHODS: The murine PD-L1-Ig was injected into SLE-prone mice...
October 26, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29054323/human-kidney-stone-matrix-latent-potential-to-restrain-com-induced-cytotoxicity-and-inflammatory-response
#5
Shifa Narula, Simran Tandon, Prakash Baligar, Shrawan Kumar Singh, Chanderdeep Tandon
Kidney stone disease is a multi-factorial disorder resulting from the interplay of various risk factors including lifestyle, environment and genetics along with metabolic activities inside the body. However, it is difficult to determine how these factors converge to promote stone disease. Extensive investigations of kidney stone composition at the molecular level have been carried out however; its impact on the complex mechanism of stone formation is still obscure. Hence, an in vitro study was designed to investigate the attenuation of calcium oxalate toxicity by human kidney stone matrix proteins on NRK-52E cells using flowcytometry, Western blotting, RT-PCR and immunofluorescence assays...
October 18, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28985996/tlr-induced-secretion-of-novel-cytokine-il-27-is-defective-in-newly-diagnosed-type-2-diabetic-subjects
#6
Haridoss Madhumitha, Viswanathan Mohan, Subash Babu, Vivekanandhan Aravindhan
Toll-like receptors (TLRs), the innate immune receptors, act as sentinels bridging both innate and adaptive arms of immunity. In the present study, we estimated TLR-induced secretion of IL-27, IL-12, IL-23, IL-8, IP-10, IL-17, IL-6 and TNF-α (by ELISA) and expression of Human Leukocyte Antigen- (Human Leukocyte Antigen - antigen D Related (HLA-DR), CD69, CD80 (also known asB7-1) (by flowcytometry) and Activating Transcription Factor 3(ATF3) (by qRT-PCR) in whole blood cultures of control and type-2 diabetic (both newly diagnosed/NDD and known/KDM) subjects...
October 3, 2017: Cytokine
https://www.readbyqxmd.com/read/28979325/protective-effect-of-hibiscus-sabdariffa-on-doxorubicin-induced-cytotoxicity-in-h9c2-cardiomyoblast-cells
#7
Azar Hosseini, Elham Bakhtiari, Seyed Hadi Mousavi
Doxorubicin (DOX) is an effective anticancer drug. But its clinical application is limited, because DOX induces apoptosis in cardiomyocytes and it leads to permanent degenerative cardiomyopathy and heart failure. Recent trainings showed that Hibiscus sabdariffa exhibit pharmacological actions such as potent antioxidant. So, in this study we explored the protective effect of H. sabdariffa extract on doxorubicin-induced cytotoxicity in H9c2 cells. Cell viability was quantified by MTT assay. Apoptotic cells were determined using PI staining of DNA fragmentation by flowcytometry (sub-G1 peak)...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28950208/exploration-of-cell-cycle-regulation-and-modulation-of-the-dna-methylation-mechanism-of-pelargonidin-insights-from-the-molecular-modeling-approach
#8
Natesan Karthi, Arumugasamy Karthiga, Thangaraj Kalaiyarasu, Antony Stalin, Vaiyapuri Manju, Sanjeev Kumar Singh, Ravi Cyril, Sang-Myeong Lee
Pelargonidin is an anthocyanidin isolated from plant resources. It shows strong cytotoxicity toward various cancer cell lines, even though the carcinogenesis-modulating pathway of pelargonidin is not yet known. One of our previous reports showed that pelargonidin arrests the cell cycle and induces apoptosis in HT29 cells. Flowcytometry and immunoblot analysis confirmed that pelargonidin specifically inhibits the activation of CDK1 and blocks the G2-M transition of the cell cycle. In addition, DNA fragmentation was observed along with induction of cytochrome c release-mediated apoptosis...
August 8, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28921810/bones-morphogenic-protein-4-and-retinoic-acid-combined-treatment-comparative-analysis-for-in-vitro-differentiation-potential-of-murine-mesenchymal-stem-cells-derived-from-bone-marrow-and-adipose-tissue-into-germ-cells
#9
Maryam H Shirzeily, Neda Khanlarkhani, Fardin Amidi, Farshad H Shirzeily, Fereydoon S Aval, Aligholi Sobhani
Nowadays, infertility is no longer considered as an unsolvable disorder due to progresses in germ cells derived from stem lineage with diverse origins. Technical and ethical challenges push researchers to investigate various tissue sources to approach more efficient gametes. The purpose of the current study is to investigate the efficacy of a combined medium, retinoic acid (RA) together with Bone Morphogenic Protein-4 (BMP4), on differentiation of Bone Marrow Mesenchymal Stem Cells (BMMSCs) and adipose-derived mesenchymal stem cells (ADMSCs) into germ cells...
September 18, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28904936/evaluation-of-urokinase-plasminogen-activator-receptor-soluble-urokinase-plasminogen-activator-receptor-and-%C3%AE-1-integrin-in-patients-with-hodgkin-s-lymphoma
#10
Shirin Kouhpayeh, Alireza Andalib, Marjan Gharagozloo, Mohammad Hossein Sanei, Nafiseh Esmaeil, Mohammad Reza Maracy
BACKGROUND: The objective of this study is to indicate the role of urokinase plasminogen activator receptor (uPAR), soluble uPAR (suPAR), and β1 integrin in tumor growth and invasion of lymph nodes from Hodgkin's lymphoma (HL) patients. MATERIALS AND METHODS: In this study, 25 lymph nodes from HL patients were analyzed for the expression of β1 integrin and uPAR on mononuclear cells using two-color flow cytometry and immunohistochemical analysis. Moreover, the levels of suPAR in the serum samples of HL patients were measured and compared with 32 healthy controls...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28887914/curcumin-attenuates-the-scurfy-induced-immune-disorder-a-model-of-ipex-syndrome-with-inhibiting-th1-th2-th17-responses-in-mice
#11
Gihyun Lee, Hwan-Suck Chung, Kyeseok Lee, Hyeonhoon Lee, Minhwan Kim, Hyunsu Bae
BACKGROUND: Immunodysregulation polyendocrinopathy enteropathy X-linked syndrome (IPEX) is a lethal autoimmune disease caused by mutations in the Foxp3 gene scurfin (scurfy). Immunosuppressive therapy for IPEX patients has been generally ineffective and has caused severe side effects, however curcumin has shown immune regulation properties for inflammatory diseases, such as rheumatoid arthritis, psoriasis, and inflammatory bowel diseases without side effects. OBJECTIVE: The aim of this study was to investigate whether curcumin would attenuate symptoms of IPEX in mouse model and would prolong its survival period...
September 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28852936/down-regulation-of-pax2-promotes-in-vitro-differentiation-of-podocytes-from-human-cd34-cells
#12
Manne Mudhu Sunitha, Lokanathan Srikanth, Pasupuleti Santhosh Kumar, Chodimella Chandrasekhar, Potukuchi Venkata Gurunadha Krishna Sarma
Podocytes are major kidney cells that help in glomerular filtration and any damage or loss is a major event in the progression of kidney diseases. Understanding podocytes development will help in designing therapeutic strategies against these renal diseases. Therefore, in vitro generation of podocytes from adult hematopoietic CD34(+) stem cells is explored in the present study. Apheretically, isolated human HSCs from peripheral blood showed the presence of CD34 surface glycoprotein through immunocytochemistry (ICC) and flowcytometry...
August 29, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28828595/the-egfr-inhibitor-gefitinib-enhanced-the-response-of-human-oral-squamous-cell-carcinoma-to-cisplatin-in-vitro
#13
Ashraf Khalil, Mark J Jameson
INTRODUCTION: The epidermal growth factor receptor (EGFR) is highly expressed in a variety of solid tumors including oral cavity squamous cell carcinoma (OSCC) and has been implicated in the resistance of these tumors to cisplatin. This study was performed to determine if the EGFR tyrosine kinase inhibitor gefitinib could enhance the cytotoxic effect of cisplatin on OSCC cells in vitro. METHODS: The expression of EGFR and the phosphorylation of its downstream signaling to ERK, and AKT pathway were detected by Western blotting...
August 21, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28817181/introduction-of-hsa-mir-103a-and-hsa-mir-1827-and-hsa-mir-137-as-new-regulators-of-wnt-signaling-pathway-and-their-relation-to-colorectal-carcinoma
#14
Ali Fasihi, Bahram M Soltani, Amir Atashi, Shirzad Nasiri
Wnt signaling is hyper-activated in most of human cancers including colorectal carcinoma (CRC). Therefore, the introduction of new regulators for Wnt pathway possesses promising diagnostic and therapeutic applications in cancer medicine. Bioinformatics analysis introduced hsa-miR-103a, hsa-miR-1827, and hsa-miR-137 as potential regulators of Wnt signaling pathway. Here, we intended to examine the effect of these human miRNAs on Wnt signaling pathway components, on the cell cycle progression in CRC originated cell lines and their expression in CRC tissues...
August 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28815581/t-helper-type-1-polarizing-%C3%AE-%C3%AE-t-cells-and-scavenger-receptors-contribute-to-the-pathogenesis-of-pemphigus-vulgaris
#15
Dayasagar Das, Vivek Anand, Sujay Khandpur, Vinod K Sharma, Alpana Sharma
γδ T cells and Scavenger receptors are key parts of the innate immune machinery, playing significant roles in regulating immune homeostasis at the epithelial surface. The roles of these immune components are not yet characterized for the autoimmune skin disorder Pemphigus vulgaris (PV). Phenotyping and frequency of γδ T cells estimated by flow cytometry have shown increased frequency of γδ T cells (6·7% versus 4·4%) producing interferon- γ (IFN-γ; 35·2% versus 26·68%) in the circulation of patients compared with controls...
August 16, 2017: Immunology
https://www.readbyqxmd.com/read/28806522/development-of-a-recombinant-multifunctional-biomacromolecule-for-targeted-gene-transfer-to-prostate-cancer-cells
#16
Arash Hatefi, Zahra Karjoo, Alireza Nomani
The objective of this study was to genetically engineer a fully functional single chain fusion peptide composed of motifs from diverse biological and synthetic origins that can perform multiple tasks including DNA condensation, cell targeting, cell transfection, particle shielding from immune system and effective gene transfer to prostate tumors. To achieve the objective, a single chain biomacromolecule (vector) consisted of four repeatative units of histone H2A peptide, fusogenic peptide GALA, short elastin-like peptide, and PC-3 cell targeting peptide was designed...
September 11, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28800701/a-new-indole-derivative-decreased-sall4-gene-expression-in-acute-promyelocytic-leukemia-cell-line-nb4
#17
Zahra Sheikhrezaei, Parisa Heydari, Alireza Farsinezhad, Ahmad Fatemi, Soudeh Khanamani Falahati-Pour, Shokoofeh Darakhshan, Mojgan Noroozi Karimabad, Ali Darekordi, Hossein Khorramdelazad, Gholamhossein Hassanshahi
Background: Acute myeloblastic leukemia (AML) is a clonal disorder due to bone marrow failure and uncontrolled proliferation of myeloid lineage. Acute promyelocytic leukemia (APL) is a subtype of AML. Heterocyclic compounds, such as indole, are considered as attractive candidates for cancer therapy, due to their abundance in nature and known biological activity. Sal-like protein (SALL4) is a zinc finger transcription factor involving in the multi-potency of stem cells, in the NB4 cell line...
August 12, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28792648/mait-cell-frequency-and-function-in-blood-and-liver-of-hcv-mono-and-hcv-hiv-co-infected-patients-with-advanced-fibrosis
#18
Boris J B Beudeker, Gertine W van Oord, Joop E Arends, Julian Schulze Zur Wiesch, Marieke S van der Heide, Robert J de Knegt, Annelies Verbon, Andre Boonstra, Mark A A Claassen
BACKGROUND & AIMS: Mucosal-associated invariant T (MAIT) cells are important innate T-cells with anti-microbial and immunoregulatory activity, recently found to be depleted in blood of patients with HIV and HCV mono-infections. In this study, we assessed the impact of HIV, HCV and HCV/HIV co-infection on circulating and intrahepatic MAIT-cells and correlations with liver fibrosis. METHODS: In this cross-sectional study, 9 healthy subjects, 9 HIV, 20 HCV and 22 HCV/HIV co-infected patients were included...
August 9, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28782391/in-vitro-expansion-of-cd-133-cells-derived-from-umbilical-cord-blood-in-poly-l-lactic-acid-plla-scaffold-coated-with-fibronectin-and-collagen
#19
Maryam Islami, Yousef Mortazavi, Masoud Soleimani, Samad Nadri
CONTEXT: Due to their renewal and potency, umbilical cord blood (UCB) stem cells have the ability to proliferate and serve as an attractive alternative source for bone marrow transplantation. However, insufficient number of haematopoietic stem cells (HSCs) in UCB is still a major constraint in clinical applications. OBJECTIVE: In vitro expansion of stem cells on fibronectin (Fn)-coated poly-L-lactic acid (PLLA) scaffold can be a proper way to overcome this limitation...
August 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28752543/exonal-switch-down-regulates-the-expression-of-cd5-on-blasts-of-acute-t-cell-leukaemia
#20
A K Rai, A Singh, A Saxena, T Seth, V Raina, D K Mitra
To date, CD5 expression and its role in acute T cell lymphoblastic leukaemia (T-ALL) have not been studied closely. We observed a significant reduction in surface expression of CD5 (sCD5) on leukaemic T cells compared to autologous non-leukaemic T cells. In this study, we have shown the molecular mechanism regulating the expression and function of CD5 on leukaemic T cells. A total of 250 patients suffering from leukaemia and lymphoma were immunophenotyped. Final diagnosis was based on their clinical presentation, morphological data and flow cytometry-based immunophenotyping...
December 2017: Clinical and Experimental Immunology
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