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https://www.readbyqxmd.com/read/28073413/-cellular-and-molecular-mechanisms-of-anti-inflammatory-effect-of-peroxisome-proliferator-activated-receptor-%C3%AE
#1
M J Jiao, L Zhou, F Ren, Y D Wang, C Shen, Z P Duan, C Y Zhao
Objective: To investigate the cellular and molecular mechanisms of the anti-inflammatory effect of peroxisome proliferator-activated receptor α (PPARα). Methods: Firstly, bone marrow-derived macrophages (BMDMs) were randomly divided into control group, LPS group, WY14643 10 μmol/L group, WY14643 25 μmol/L group, and WY14643 50 μmol/L group using a random number table. Secondly, BMDMs were randomly divided into LPS group, WY14643+LPS group, and 3-MA+WY14643+LPS group. Primary BMDMs were stimulated by LPS (20 ng/ml) to establish the cellular model of inflammation...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28072764/antitumour-activity-of-trabectedin-in-myelodysplastic-myeloproliferative-neoplasms
#2
Michela Romano, Matteo Giovanni Della Porta, Anna Gallì, Nicolò Panini, Simonetta Andrea Licandro, Ezia Bello, Ilaria Craparotta, Vittorio Rosti, Elisa Bonetti, Richard Tancredi, Marianna Rossi, Laura Mannarino, Sergio Marchini, Luca Porcu, Carlos M Galmarini, Alberto Zambelli, Marco Zecca, Franco Locatelli, Mario Cazzola, Andrea Biondi, Alessandro Rambaldi, Paola Allavena, Eugenio Erba, Maurizio D'Incalci
BACKGROUND: Juvenile myelomonocytic leukaemia (JMML) and chronic myelomonocytic leukaemia (CMML) are myelodysplastic myeloproliferative (MDS/MPN) neoplasms with unfavourable prognosis and without effective chemotherapy treatment. Trabectedin is a DNA minor groove binder acting as a modulator of transcription and interfering with DNA repair mechanisms; it causes selective depletion of cells of the myelomonocytic lineage. We hypothesised that trabectedin might have an antitumour effect on MDS/MPN...
January 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28064033/altered-gait-mechanics-and-elevated-serum-pro-inflammatory-cytokines-in-asymptomatic-patients-with-mri-evidence-of-knee-cartilage-loss
#3
Shannon N Edd, Julien Favre, Katerina Blazek, Patrick Omoumi, Jessica L Asay, Thomas P Andriacchi
OBJECTIVE: To test if sagittal plane gait mechanics parameters and serum inflammation levels differ between healthy asymptomatic subjects and asymptomatic subjects with magnetic resonance imaging (MRI) evidence of cartilage loss. DESIGN: Gait mechanics and resting serum tumor necrosis factor-α (TNFα) concentrations were measured for two groups of asymptomatic subjects recruited for a previous study: Pre-Osteoarthritis (OA) subjects had MRI evidence of partial- or full-thickness knee cartilage loss in at least one compartment (n=52 (30 female), 1...
January 4, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28060111/frequent-infections-hypotonia-and-anemia-in-a-breastfed-infant
#4
Fatma Kamoun, Rime Guirat, Fatma Megdich, Salma Ben Ameur, Choumous Kallel, Mongia Hachicha
Vitamin B12 deficiency may be responsible of serious hematologic and neurodevelopmental abnormalities. We report the case of an infant who was hospitalized because of recurrent infections, failure to thrive, hypotonia, and weakness. He was 8 months old and had been exclusively breastfed. Blood cell count showed pancytopenia with megaloblastic bone marrow. The serum IgG concentration was low. Vitamin B12 level was very low and associated with increased urinary methylmalonic acid. Cobalamin deficiency was caused by mother's unrecognized pernicious anemia...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28049042/aryl-hydrocarbon-receptor-activation-by-2-3-7-8-tetrachlorodibenzo-p-dioxin-impairs-human-b-lymphopoiesis
#5
Jinpeng Li, Ashwini S Phadnis-Moghe, Robert B Crawford, Norbert E Kaminski
The homeostasis of peripheral B cell compartment requires lifelong B lymphopoiesis from hematopoietic stem cells (HSC). As a result, the B cell repertoire is susceptible to disruptions of hematopoiesis. Increasing evidence, primarily from rodent models, shows that the aryl hydrocarbon receptor (AHR) regulates hematopoiesis. To study the effects of persistent AHR activation on human B cell development, a potent AHR agonist and known environmental contaminant, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) was utilized...
December 31, 2016: Toxicology
https://www.readbyqxmd.com/read/28046055/role-of-interleukin-17a-on-the-chemotactic-responses-to-ccl7-in-a-murine-allergic-rhinitis-model
#6
Yu-Lian Zhang, Doo Hee Han, Dong-Young Kim, Chul Hee Lee, Chae-Seo Rhee
BACKGROUND: The proinflammatory cytokine interleukin (IL)-17A is associated with eosinophil infiltration into the nasal mucosa in a mouse model of ovalbumin-induced allergic rhinitis. Chemotaxis of eosinophils is mediated primarily through C-C chemokine receptor type 3 (CCR3). However, the mechanism underlying the IL-17A-mediated enhancement of eosinophil recruitment via chemoattractants/chemokines remains unknown. OBJECTIVES: In this study, we assessed the contribution of IL-17A to eosinophil-related inflammation via the CCL7/CCR3 pathway in experimental allergic rhinitis...
2017: PloS One
https://www.readbyqxmd.com/read/28045930/the-ccl2-ccr2-axis-affects-transmigration-and-proliferation-but-not-resistance-to-chemotherapy-of-acute-myeloid-leukemia-cells
#7
Patricia Macanas-Pirard, Thomas Quezada, Leonardo Navarrete, Richard Broekhuizen, Andrea Leisewitz, Bruno Nervi, Pablo A Ramírez
Acute myeloid leukemia (AML) has a high mortality rate despite chemotherapy and transplantation. Both CXCR4/SDF-1 and VLA-4/VCAM1 axes are involved in leukemia protection but little is known about the role of CCL2/CCR2 in AML biology and protection against chemotherapy. We measured CCR2 expression in AML cell lines and primary AML cells by flow cytometry (FCM), real time PCR (RT-PCR) and western blot (WB). CCL2 production was quantified by solid phase ELISA in peripheral blood (PB) and bone marrow (BM) serum...
2017: PloS One
https://www.readbyqxmd.com/read/28043150/histone-deacetylase-inhibitors-in-plasma-cell-leukemia-treatment-effect-of-bone-marrow-microenvironment
#8
I Burianova, K Kuzelova, O Mitrovsky, I Spicka, P StOckbauer, M Zackova
In the presented study we analysed the effect of histone deacetylase inhibitors (HDACi) suberoylanilide hydroxamic acid (SAHA) and valproic acid (VPA) on human plasma cell leukemia (PCL) cell line UHKT-944 in the presence of bone marrow microenvironment (BMM). For the analysis, the cells were cultured alone, with bone marrow stromal cells (BMSCs), with extracellular matrix (ECM) components or with interleukin-6, and treated with varied concentrations of SAHA and VPA for 24/48 hours. To study the effect of HDACi, we investigated cell proliferation, apoptosis, cell cycle and changes in selected signalling pathways...
January 3, 2017: Neoplasma
https://www.readbyqxmd.com/read/28043032/kaempferol-slows-intervertebral-disc-degeneration-by-modifying-lps-induced-osteogenesis-adipogenesis-imbalance-and-inflammation-response-in-bmscs
#9
Jun Zhu, Haoyu Tang, Zhenhua Zhang, Yong Zhang, Chengfeng Qiu, Ling Zhang, Pinge Huang, Feng Li
Intervertebral disc (IVD) degeneration is a common disease that represents a significant cause of socio-economic problems. Bone marrow-derived mesenchymal stem cells (BMSCs) are a potential autologous stem cell source for the nucleus pulposus regeneration. Kaempferol has been reported to exert protective effects against both osteoporosis and obesity. This study explored the effect of kaempferol on BMSCs differentiation and inflammation. The results demonstrated that kaempferol did not show any cytotoxicity at concentrations of 20, 60 and 100μM...
December 30, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/28024508/-reconstruction-of-humanized-bone-marrow-niche-in-immunodeficiency-mouse
#10
Huan Chen, Zheng Tian, Bin Li, Hai-Yan Xing, Huan Li, Ke-Jing Tang, Min Wang, Qing Rao
OBJECTIVE: To reconstruct a human bone marrow niche in immunodeficiency mouse (NOD/SCID) so as to provide a model for observing the effect of abnormal BM niche on the occurence and development of leukemia. METHODS: Human platelet lysate(HPL) was obtained by repeated freezing and thawing of concentrated platelet. Bone marrow-derived mesenchymal stem cells were cultured in α-minimal essential medium (α-MEM) containing 10% HPL or 10% FBS. The morphology, cell phenotype, multilineage differentiation potential in vitro and proliferation capacity between the mesenchymal stem cells cultured with HPL or FBS were compared...
December 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28018908/partial-cranial-cruciate-ligament-tears-treated-with-stem-cell-and-platelet-rich-plasma-combination-therapy-in-36-dogs-a-retrospective-study
#11
Sherman O Canapp, Christopher S Leasure, Catherine Cox, Victor Ibrahim, Brittany J Carr
OBJECTIVE: To evaluate outcomes in 36 dogs with a partial cranial cruciate ligament (CCL) tear treated with autologous bone marrow aspirate concentrate (BMAC) or adipose-derived progenitor cells (ADPC) with platelet-rich plasma (PRP) combination. MATERIALS AND METHODS: Medical records of client-owned dogs diagnosed with an early partial (≤50%) tear of the craniomedial band of the CCL that was treated with BMAC-PRP or ADPC-PRP were reviewed from 2010 to 2015. Signalment, medical history, physical and orthopedic examination, objective temporospatial gait analyses, radiographs, day 0 and day 90 diagnostic arthroscopy findings, treatment, and outcome were among the data collected...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28017615/pharmacological-activation-of-aldehyde-dehydrogenase-2-promotes-osteoblast-differentiation-via-bone-morphogenetic-protein-2-and-induces-bone-anabolic-effect
#12
Monika Mittal, Subhashis Pal, Shyamsundar Pal China, Konica Porwal, Kapil Dev, Richa Shrivastava, Kanumuri Siva Rama Raju, Mamunur Rashid, Arun Kumar Trivedi, Sabyasachi Sanyal, Muhammad Wahajuddin, Smrati Bhaduria, Rakesh Maurya, Naibedya Chattopadhyay
Aldehyde dehydrogenases (ALDHs) are a family of enzymes involved in detoxifying aldehydes. Previously, we reported that an ALDH inhibitor, disulfiram caused bone loss in rats and among ALDHs, osteoblast expressed only ALDH2. Loss-of-function mutation in ALDH2 gene is reported to cause bone loss in humans which suggested its importance in skeletal homeostasis. We thus studied whether activating ALDH2 by N-(1, 3-benzodioxol-5-ylmethyl)-2, 6-dichlorobenzamide (alda-1) had osteogenic effect. We found that alda-1 increased and acetaldehyde decreased the differentiation of rat primary osteoblasts and expressions of ALDH2 and bone morphogenetic protein-2 (BMP-2)...
December 23, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28013349/pharmacology-and-toxicology-of-the-novel-investigational-agent-cantrixil-trx-e-002-1
#13
REVIEW
Muhammad Wasif Saif, Andrew Heaton, Kimberley Lilischkis, James Garner, David M Brown
PURPOSE: Recurrent, chemo-resistant ovarian cancer is thought to be due to a subgroup of slow-growing, drug-resistant cancer cells with stem-like properties and a high capacity for tumour repair. Cantrixil targets this sub-population of cells and is being developed as an intraperitoneal therapy to be used as first-line therapy in combination with carboplatin for epithelial ovarian cancer. The studies presented here justify further development. METHODS: A GLP dog CV study using a 4 × 4 Latin Square Crossover study was conducted using telemetric ECG recordings from dogs post IP administration to assess for cardiac abnormalities...
December 24, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28012152/erratum-to-bone-marrow-aspirate-concentrate-for-the-treatment-of-osteochondral-lesions-of-the-talus-a-systematic-review-of-outcomes
#14
Jorge Chahla, Mark E Cinque, Jason M Schon, Daniel J Liechti, Lauren M Matheny, Robert F LaPrade, Thomas O Clanton
No abstract text is available yet for this article.
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28009753/efficacy-and-safety-of-selective-arterial-embolization-in-the-treatment-of-aneurysmal-bone-cyst-of-the-mobile-spine-a-retrospective-observational-study
#15
Silvia Terzi, Alessandro Gasbarrini, Mario Fuiano, Giovanni Barbanti Brodano, Riccardo Ghermandi, Stefano Bandiera, Stefano Boriani
STUDY DESIGN: Retrospective observational study. OBJECTIVE: Our aim is to define the efficacy and safety of serial selective arterial embolization (SAE) in the treatment of aneurysmal bone cysts, to explore potential treatment alternatives and to define a therapeutic algorithm. SUMMARY OF BACKGROUND DATA: Aneurysmal bone cyst (ABC) is a benign lesion with unpredictable behavior. Its treatment is challenging especially in poorly accessible surgical areas, such as spine and pelvis...
December 22, 2016: Spine
https://www.readbyqxmd.com/read/28008262/kinetics-of-circulating-endothelial-progenitor-cells-in-patients-undergoing-carotid-artery-surgery
#16
Günay Kalender, Angela Kornberger, Milan Lisy, Andres Beiras-Fernandez, Ulrich A Stock
AIM: Endothelial progenitor cells (EPCs) are primitive cells found in the bone marrow and peripheral blood (PB). In particular, the potential of EPCs to differentiate into mature endothelial cells remains of high interest for clinical applications such as bio-functionalized patches for autologous seeding after implantation. The objective of this study was to determine EPCs' kinetics in patients undergoing carotid artery thromboendarterectomy (CTEA) and patch angioplasty. METHODS: Twenty CTEA patients were included (15 male, mean age 76 years)...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28006781/allogeneic-compact-bone-derived-mesenchymal-stem-cell-transplantation-attenuates-the-severity-of-idiopathic-pneumonia-syndrome-in-a-murine-bone-marrow-transplantation-model
#17
Shu-Kai Qiao, Han-Yun Ren, Yong-Jin Shi, Wei Liu
BACKGROUND/AIMS: Idiopathic pneumonia syndrome (IPS) is a serious and life-threatening lung complication following allogeneic hematopoietic stem cell transplantation (allo-HSCT) and currently no effective therapies exist. This study was designed to determine whether transplantation of allogeneic murine compact bone derived- mesenchymal stem cells (CB-MSCs) could prevent the development of IPS. METHODS: We tested the effects of CB-MSCs transplantation on IPS using an established murine model of C57BL/6 (H-2b)→BALB/c (H-2d)...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28004388/lcn2-overexpression-in-bone-enhances-the-hematopoietic-compartment-via-modulation-of-the-bone-marrow-microenvironment
#18
Delfina Costa, Elisa Principi, Edoardo Lazzarini, Fiorella Descalzi, Ranieri Cancedda, Patrizio Castagnola, Sara Tavella
Lipocalin-2 (LCN2) is a member of the lipocalin family whose expression is modulated in several conditions, including cell differentiation, innate immunity, stress and cancer. Although it is known that it is expressed in bone, its function in this tissue remains poorly studied. To this end, we took advantage of transgenic mice lines that expressed LCN2 driven by a bone specific type I collagen (LCN2-Tg). In the bone marrow (BM) of LCN2-Tg mice we observed an increased number of phenotypically long-term hematopoietic stem cells (LT-HSC) that also displayed a higher proliferation rate compared to wild type controls (Wt)...
December 22, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28002915/autologous-bone-marrow-concentrate-combined-with-platelet-rich-plasma-enhance-bone-allograft-potential-to-induce-spinal-fusion
#19
G Vadalà, A Di Martino, F Russo, M C Tirindelli, L De Felice, F Agostini, R Papalia, V Denaro
Bone marrow cells concentrate (BMCs) is a source of osteoprogenitor cells and platelet-rich plasma (PRP) is a source of growth factors. The objective of the study was to determine whether BMC and PRP could increase the potential of bone allograft to induce posterolateral-lumbar spinal fusion compared to the bone allograft alone. A prospective nonrandomized radiographic study has been conduced on 10 patients with posterolateral instrumented fusion for degenerative lumbar disease with 1-year follow-up using CT scan...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28002902/bone-marrow-concentrated-cells-and-stromal-vascular-fraction-cells-injections-for-osteoarthritis-treatment-a-systematic-review
#20
G Vadalà, R Papalia, L La Verde, F Russo, V Denaro, M A Rosa
The aim of this systematic review is to examine current clinical evidences supporting the intraarticular injection of bone marrow concentrate cells (BMC) and adipose-derived stromal vascular fraction cells (SVF) for the treatment of osteoarthritis (OA). The research was performed on PubMed (Medline), EMBASE and Cochrane Library considering the English literature. Only clinical trials have been included. The systematic research identified twelve clinical trials. Articles included in the study, were one of level II, four of level III, six of level IV and one level V...
October 2016: Journal of Biological Regulators and Homeostatic Agents
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