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https://www.readbyqxmd.com/read/28650582/synergistic-modulation-of-inflammatory-but-not-metabolic-effects-of-high-fat-feeding-by-ccr2-and-cx3cr1
#1
Hanrui Zhang, Christine C Hinkle, Sean M O'Neill, Jianting Shi, Jennifer Caughey, Emma Lynch, Gina Lynch, Mark Gerelus, Andrew S D Tsai, Rachana Shah, Jane F Ferguson, Rexford S Ahima, Muredach P Reilly
OBJECTIVE: The purpose of the study was to explore the impact of dual targeting of C-C motif chemokine receptor-2 (CCR2) and fractalkine receptor (CX3CR1) on the metabolic and inflammatory consequences of obesity induced by a high-fat diet (HFD). METHODS: C57BL/6J wild-type, Cx3cr1(-/-) , Ccr2(-/-) , and Cx3cr1(-/-) Ccr2(-/-) double-knockout male and female mice were fed a 45% HFD for up to 25 weeks starting at 12 weeks of age. RESULTS: All groups gained weight at a similar rate and developed a similar degree of adiposity, hyperglycemia, glucose intolerance, and impairment of insulin sensitivity in response to HFD...
June 26, 2017: Obesity
https://www.readbyqxmd.com/read/28645734/the-influence-of-temperature-treatment-before-cryopreservation-on-the-viability-and-potency-of-cryopreserved-and-thawed-cd34-and-cd45-cord-blood-cells
#2
Svenja Schwandt, Stefanie Liedtke, Gesine Kogler
BACKGROUND: Hematopoietic stem cell (HSC) viability and potency is crucial for qualified cord blood (CB) transplants. This study analyzes time and temperature condition before cryopreservation for the viability of CD34(+)/CD45(+) cells after cryopreservation. METHODS: Cell viabilities were determined by antibody co-staining with 7-aminoactinomycin D detecting necrotic cells, and subsequent flow cytometric analysis. Additionally, Annexin V staining for determination of apoptotic cells and colony-forming unit (CFU) assays for testing functional potency of HSCs were performed...
June 20, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28641661/-clinical-and-pathologic-features-of-myeloid-sarcoma
#3
Ya-Jun Jiang, Hong-Xia Wang, Wan-Chuan Zhuang, Hao Chen, Chang Zhang, Xiu-Mei Li, Gui-Hua Zhu, Yao He
OBJECTIVE: To explore the clinicopathologic features, differential diagnosis and therapy of myeloid sarcoma. METHODS: The clinical data including clinical manifestations, laboratorial tests, histopathologicical examination, immunohistochemistry and clinical prognosis of 10 patients with myeloid sarcoma were analyzed retrospectively. Among 10 patients, 5 male and 5 female, aged 23 to 71 years old (median = 36 years). RESULTS: 2 cases of myeloid sarcoma were secondary from chronic myeloid leukemia, and 1 cases of myeloid sarcoma occurred after the allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia, and the others lacked the anamnesis of malignancies...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28640869/development-of-an-automated-size-based-filtration-system-for-isolation-of-circulating-tumor-cells-in-lung-cancer-patients
#4
Satomi Yagi, Yasuhiro Koh, Hiroaki Akamatsu, Kuninobu Kanai, Atsushi Hayata, Nahomi Tokudome, Keiichiro Akamatsu, Katsuya Endo, Seita Nakamura, Masayuki Higuchi, Hisashige Kanbara, Masanori Nakanishi, Hiroki Ueda, Nobuyuki Yamamoto
Circulating tumor cells (CTCs), defined as tumor cells circulating in the peripheral blood of patients with solid tumors, are relatively rare. Diagnosis using CTCs is expected to help in the decision-making for precision cancer medicine. We have developed an automated microcavity array (MCA) system to detect CTCs based on the differences in size and deformability between tumor cells and normal blood cells. Herein, we evaluated the system using blood samples from non-small-cell lung cancer (NSCLC) and small-cell lung cancer (SCLC) patients...
2017: PloS One
https://www.readbyqxmd.com/read/28633599/mechanism-of-deltamethrin-induced-thymic-and-splenic-toxicity-in-mice-and-its-protection-by-piperine-and-curcumin-in-vivo-study
#5
Anoop Kumar, Dinakar Sasmal, Neelima Sharma
Deltamethrin (DLM) is a well-known pyrethroid insecticide which is widely used in the agriculture and home pest control due to restriction on the sale of organophosphate. DLM induced apoptosis is well known but its mechanism is still unclear. This study has been designed to find out its mechanism of apoptosis with the help of computational methods along with in vivo methods. The QikProp and ProTox results have shown that DLM has good oral absorption. The docking results reveal that DLM has a strong binding affinity toward the CD4, CD8, CD28 and CD45 receptors...
February 28, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28633489/effects-of-early-pregnancy-on-uterine-lymphocytes-and-endometrial-expression-of-immune-regulatory-molecules-in-dairy-heifers1
#6
Sreelakshmi Vasudevan, Manasi M Kamat, Sadhat S Walusimbi, Joy L Pate, Troy L Ott
Natural killer (NK) cells are essential for establishment of human and rodent pregnancies. The function of these and other cytotoxic T cells (CTL) is controlled by stimulatory and inhibitory signaling. A role for cytotoxic cells during early pregnancy in cattle has not been described, but regulation of their function at the fetal-maternal interface is thought to be critical for conceptus survival. The hypothesis that the relative abundance of CTL and expression of inhibitory signaling molecules is increased by the conceptus during early pregnancy was tested...
June 19, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28632647/high-osteogenic-potential-of-adipose-and-muscle-derived-mesenchymal-stem-cells-in-spinal-ossification-model-mice
#7
Xizhe Liu, Gentaro Kumagai, Kanichiro Wada, Toshihiro Tanaka, Toru Asari, Kazuki Oishi, Taku Fujita, Hiroki Mizukami, Ken-Ichi Furukawa, Yasuyuki Ishibashi
STUDY DESIGN: Basic experiments in a mouse model of ossification of the posterior longitudinal ligament (OPLL). OBJECTIVE: To assess the osteogenic potential of mesenchymal stem cells (MSCs) obtained from muscle and adipose tissue in Tiptoe-walking (ttw) mice, in which cervical OPLL compresses the spinal cord and causes motor and sensory dysfunction. SUMMARY OF BACKGROUND DATA: In humans, MSCs have been implicated in the pathogenesis of cervical OPLL...
June 19, 2017: Spine
https://www.readbyqxmd.com/read/28628650/the-human-cytomegalovirus-glycoprotein-pul11-acts-via-cd45-to-induce-t-cell-il-10-secretion
#8
Jasmin Zischke, Panagiota Mamareli, Claudia Pokoyski, Ildar Gabaev, Sabine Buyny, Roland Jacobs, Christine S Falk, Matthias Lochner, Tim Sparwasser, Thomas F Schulz, Penelope C Kay-Fedorov
Human Cytomegalovirus (HCMV) is a widespread pathogen, infection with which can cause severe disease for immunocompromised individuals. The complex changes wrought on the host's immune system during both productive and latent HCMV infection are well known. Infected cells are masked and manipulated and uninfected immune cells are also affected; peripheral blood mononuclear cell (PBMC) proliferation is reduced and cytokine profiles altered. Levels increase of the anti-inflammatory cytokine IL-10, which may be important for the establishment of HCMV infections and is required for the development of high viral titres by murine cytomegalovirus...
June 19, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28627746/hepatic-perivascular-mesenchymal-stem-cells-with-myogenic-properties
#9
Sudheer Shenoy P, Bipasha Bose
Pericytes are multipotent mesenchymal stem cells (MSCs) located on the walls of blood vessels in various organs and are characterized as CD146(+) cells.. In this study, we have first immunohistochemically detected such pericytes in the perivascular regions of liver from two mouse genotypes namely wild-type (WT) and myostatin null (Mstn(-/-) ). We further isolated such pericytes using sorting as CD146(+) CD34(-) CD56(-) CD45(-) cells. The main finding of this study involve the contrasting -fibrogenic versus myogenic behavior of liver pericytes from WTMstn(-/-) ) mouse respectively...
June 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28626365/emergence-of-cd43-expressing-hematopoietic-progenitors-from-human-induced-pluripotent-stem-cells
#10
Katharina U Kessel, Anika Bluemke, Hans R Schöler, Holm Zaehres, Peter Schlenke, Isabel Dorn
BACKGROUND: The ex vivo generation of human hematopoietic stem cells (HSCs) with long-term repopulating capacity and multi-lineage differentiation potential represents the holy grail of hematopoiesis research. In principle, human induced pluripotent stem cells (hiPSCs) provide the tool for both studying molecular mechanisms of hematopoietic development and the ex vivo production of 'true' HSCs for transplantation purposes and lineage-specific cells, e.g. red blood cells, for transfusion purposes...
June 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28622916/osteogenic-potential-of-platelet-rich-plasma-in-dental-stem-cell-cultures
#11
L Otero, N Carrillo, J L Calvo-Guirado, J Villamil, R A Delgado-Ruíz
The purpose of this study was to analyse the potential of platelet-rich plasma (PRP) culture media to induce osteogenic differentiation of periodontal ligament stem cells and dental pulp stem cells compared with four other methods of culture. Both types of cell were collected from 35 healthy patients and cultured in five different media (Dulbecco's modified eagle's medium (DMEM); DMEM and melatonin; DMEM and PRP; DMEM and ascorbic acid 200μmol; DMEM and l-ascorbate 2-phosphate 50μmol). Cells were characterised by flow cytometry...
June 13, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28620237/lea29y-expression-in-transgenic-neonatal-porcine-islet-like-cluster-promotes-long-lasting-xenograft-survival-in-humanized-mice-without-immunosuppressive-therapy
#12
L Wolf-van Buerck, M Schuster, F S Oduncu, A Baehr, T Mayr, S Guethoff, J Abicht, B Reichart, N Klymiuk, E Wolf, J Seissler
Genetically engineered pigs are a promising source for islet cell transplantation in type 1 diabetes, but the strong human anti-pig immune response prevents its successful clinical application. Here we studied the efficacy of neonatal porcine islet-like cell clusters (NPICCs) overexpressing LEA29Y, a high-affinity variant of the T cell co-stimulation inhibitor CTLA-4Ig, to engraft and restore normoglycemia after transplantation into streptozotocin-diabetic NOD-SCID IL2rγ(-/-) (NSG) mice stably reconstituted with a human immune system...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28618451/multicenter-comparison-of-cd34-myeloid-cell-count-by-flow-cytometry-in-low-risk-myelodysplastic-syndrome-is-it-feasible
#13
Patricia Font, Dolores Subirá, Sergio Matarraz, Celina Benavente, María Teresa Cedena, Marta Morado, Ana Pérez Corral, José María Bellón, José Luis Díez-Martín
BACKGROUND: Accuracy of bone marrow (BM) blast count in low-risk myelodysplastic syndromes (MDS) still remains a challenge though it is essential for prognosis. We investigated whether the enumeration of CD34+ myeloid cells by flow cytometry immunophenotyping (FCI) could be used as a consistent parameter for clinical MDS studies. METHODS: Six clinical centres entered the study and information on their FCI protocols was recorded. Sixty-seven flow cytometry listmodes from BM samples of patients with low-risk MDS with <5% BM blasts were exchanged among participants in two different rounds...
June 15, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28616907/-differentiation-of-cultivated-cd45-cd31-mouse-lung-side-population-cells-into-vascular-smooth-muscle-cells-in-vitro
#14
Ming-Jie Zhang, Zong-Ze Li, Yang Xu, Simon Xun Liang
OBJECTIVES: To investigate the characteristics of differentiation of lung side population cells (LSP cells)in vitro. METHODS: CD45(-)/CD31(+) LSP cells sorted by flow cytometry were taken from mouse lung tissues and cultured for 14 d. The cultured LSP cells were observed with colony formation assay and flow cytometryin vitro. The mRNA expressions of ATP-binding cassette transporter G2 (ABCG2), smooth muscle actin (SMA) and α-smooth muscle tropomyosin (α-SMT) in both freshly isolated LSP cells and cultured LSP cells were examined...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616217/is-chronic-kidney-disease-mineral-and-bone-disorder-associated-with-the-presence-of-endothelial-progenitor-cells-with-a-calcifying-phenotype
#15
Giuseppe Cianciolo, Irene Capelli, Maria Cappuccilli, Anna Scrivo, Chiara Donadei, Antonio Marchetti, Paola Rucci, Gaetano La Manna
Background: Chronic kidney disease-mineral and bone disorder (CKD-MBD) has been implicated in vascular calcification pathogenesis. CKD-MBD results in alterations in the number and function of circulating endothelial progenitor cells (EPCs), physiological regulators of angiogenesis and vessel repair, commonly defined as proangiogenic progenitor cells (PACs) by the antigen pattern CD34+CD133+KDR+CD45- and putative EPCs by the pattern CD34+CD133-KDR+CD45-. These cells might acquire a calcifying phenotype in CKD-MBD, expressing mineralization biomarkers...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28615666/a-sex-specific-reconstitution-bias-in-the-competitive-cd45-1-cd45-2-congenic-bone-marrow-transplant-model
#16
Salema Jafri, Stephen D Moore, Nicholas W Morrell, Mark L Ormiston
Allelic variants of the pan-haematopoietic cell marker CD45, identified as CD45.1 and CD45.2, have been established as a marker system to track haematopoietic cells following congenic mouse bone marrow transplants. Despite the frequent use of this model for studying the impact of genetic modifications on relative differentiation potential, it is now evident that a bias exists in CD45.1 versus CD45.2 cell reconstitution. While this bias has been demonstrated by reduced reconstitution potential in B cells of CD45...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615267/the-novel-association-of-circulating-tumor-cells-and-circulating-megakaryocytes-with-prostate-cancer-prognosis
#17
Lei Xu, Xueying Mao, Tianyu Guo, Pui Ying Chan, Greg Shaw, John Hines, Elzbieta Stankiewicz, Yuqin Wang, R Tim D Oliver, Amar Sabri Ahmad, Daniel Berney, Jonathan Shamash, Yong-Jie Lu
To develop an approach for the investigation of different subtypes of circulating tumor cells (CTCs) and other cells to evaluate their potential prognostic value of prostate cancer.<br /><br />Experimental Design: Malignancy of CTCs undergoing epithelial to mesenchymal transition (EMT) was confirmed by repeated Fluorescence in situ hybridization. Subgroups of CTCs in 81 patients with prostate cancer (43 castration resistant and 38 untreated localized) were correlated to disease aggressiveness parameters...
June 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28614787/nell-1-induces-sca-1-mesenchymal-progenitor-cell-expansion-in-models-of-bone-maintenance-and-repair
#18
Aaron W James, Jia Shen, Rebecca Tsuei, Alan Nguyen, Kevork Khadarian, Carolyn A Meyers, Hsin Chuan Pan, Weiming Li, Jin H Kwak, Greg Asatrian, Cymbeline T Culiat, Min Lee, Kang Ting, Xinli Zhang, Chia Soo
NELL-1 is a secreted, osteogenic protein first discovered to control ossification of the cranial skeleton. Recently, NELL-1 has been implicated in bone maintenance. However, the cellular determinants of NELL-1's bone-forming effects are still unknown. Here, recombinant human NELL-1 (rhNELL-1) implantation was examined in a clinically relevant nonhuman primate lumbar spinal fusion model. Prolonged rhNELL-1 protein release was achieved using an apatite-coated β-tricalcium phosphate carrier, resulting in a local influx of stem cell antigen-1-positive (Sca-1+) mesenchymal progenitor cells (MPCs), and complete osseous fusion across all samples (100% spinal fusion rate)...
June 15, 2017: JCI Insight
https://www.readbyqxmd.com/read/28612522/-the-mechanisms-of-trimetazidine-alleviating-the-oxidative-stress-in-adipose-derived-mesenchymal-stem-cells
#19
Mao-Han Tang, Yan-Jie Zhang, Yin Liu, Zhi-Guang Su
OBJECTIVES: To investigate the effects of trimetazidine (TMZ) on the oxidative stress injury in adipose-derived mesenchymal stem cells (ADSCs). METHODS: ADSCs derived from adipose tissue of SD rats were characterized by flow cytometry and multiline age differentiation. ADSCs apoptosis was induced by H2O2 in vitro , Dirrerent concentration of TMZ (250 μmol/L, 500 μmol/L) was used to protect ADSCs from apoptosis. The morphological features of apoptotic ADSCs were analyzed by Hoechst 33342, mitochondrial potential and structure was analyzed by JC-1 staining and electron microscope, respectively...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28612331/isolation-and-characterization-of-trophoblasts-from-enzymatic-explants-of-human-term-placenta
#20
Tamara D Kolokoltsova, Irina N Saburina, Irina M Zurina, Anastasia A Gorkun, Nastasia V Kosheleva, Vadim S Repin, Rimma A Poltavtseva, Gennady T Sukhikh
In the present study, we describe a new method of isolation and culture of human villous and extravillous trophoblasts from term placenta. The cultivation of trypsinized placental villous tissue explants, followed by the isolation of cells from outgrowth islets allows for obtaining a cytotrophoblast subpopulation that is free from contamination by other cell types. Compared to other methods, our protocol is mild, simple and effective, does not request costly reagents and provides isolation of the mononuclear cytotrophoblast cell populations free from contamination by other types of placental cells...
June 13, 2017: Human Cell
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