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Theresia M Westers, Eline M P Cremers, Uta Oelschlaegel, Ulrika Johansson, Peter Bettelheim, Sergio Matarraz, Alberto Orfao, Bijan Moshaver, Lisa Eidenschink Brodersen, Michael R Loken, Denise A Wells, Dolores Subira', Matthew Cullen, Jeroen G Te Marvelde, Vincent H J Van der Velden, Frank W M B Preijers, Sung-Chao Chu, Jean Feuillard, Estelle Guérin, Katherina Psarra, Anna Porwit, Leonie Saft, Robin Ireland, Timothy Milne, Marie C Béné, Birgit I Witte, Matteo G Della Porta, Wolfgang Kern, Arjan A van de Loosdrecht
Current recommendations for diagnosing myelodysplastic syndromes endorse flow cytometry as an informative tool. Most flow cytometry protocols focus on the analysis of progenitor cells and the evaluation of the maturing myelomonocytic lineage. However, one of the most frequently observed features of myelodysplastic syndromes is anemia, which may be associated with dyserythropoiesis. Therefore, analysis of changes in flow cytometry features of nucleated erythroid cells may complement current flow cytometry tools...
October 6, 2016: Haematologica
Hye Jin Kim, Hae Min Yoon, Oran Kwon, Won Jun Lee
PURPOSE: Pueraria lobata/rehmannia glutinosa (PR) and exercise have been receiving a lot of attention from postmenopausal women, as a result of the side effects of estrogen replacement therapy. However, the effects of PR and exercise on fatty acid transporters (FATPs), which play essential role in fatty acid transport, have not been studied. In this study, we evaluated the effects of PR and aerobic exercise on FATP1, FABPpm and FAT/CD36 expression in ovariectomized rat skeletal muscles...
September 2016: Journal of Exercise Nutrition & Biochemistry
Michael R Loken, Andrew P Voigt, Lisa Eidenschink Brodersen, Wayne Fritschle, Andrew J Menssen, Soheil Meshinchi, Denise A Wells
Five reference populations in bone marrow specimens were identified by flow cytometry using specific combinations of reagents in order define the variation of gene product expression intensities both within and between individuals. Mature lymphocytes, uncommitted progenitor cells, promyelocytes, mature monocytes and mature neutrophils can be reproducibly identified as distinct clusters of events in heterogeneous, maturing bone marrow specimens. Support Vector Machines were used to identify the reference populations in order to reduce subjective bias in manually defining boundaries of these populations since they were not discretely separated from the remainder of the cells...
October 18, 2016: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
Zhongyang Lu, Yanchun Li, Colleen W Brinson, Keith L Kirkwood, Maria F Lopes-Virella, Yan Huang
BACKGROUND: We reported that high-fat diet (HFD)-induced metabolic syndrome (MetS) exacerbates lipopolysaccharide (LPS)-stimulated periodontitis and palmitate, the major saturated fatty acid in the HFD, amplified LPS-stimulated gene expression in vitro. Since CD36 is a major receptor for fatty acids, we investigated periodontal CD36 expression in mice with periodontitis and MetS, and the role of CD36 in inflammatory genes in macrophages stimulated by palmitate. METHODS: MetS and periodontitis were induced in mice by HFD and periodontal injection of LPS, respectively...
October 18, 2016: Oral Diseases
Yoonjin Shin, Yangha Kim
The aim of this study was to investigate the association of CD36, a class B scavenger receptor, rs6969989 polymorphism with the serum lipid profiles in Korean women, together with their modulation by oily fish consumption. Subjects were participants from the Korean Genome Epidemiology Study (KoGES), which was initiated in 2001 as a large-scale. A total of 4,210 women aged 39 to 70 were included in this study. Data were collected using self-administered questionnaires, anthropometric measurements, and blood chemical analysis...
September 2016: Preventive Nutrition and Food Science
Jian Huang, Lei Zhao, Ping Yang, Zhen Chen, Ni Tang, Xiong Z Ruan, Yaxi Chen
Hepatitis B virus (HBV) is a hepatocyte-specific DNA virus whose gene expression and replication are closely associated with hepatic metabolic processes. Thus, a potential anti-viral strategy is to target the host metabolic factors necessary for HBV gene expression and replication. Recent studies revealed that fatty acid translocase CD36 is involved in the replication, assembly, storage, and secretion of certain viruses, such as hepatitis C virus (HCV) and human immunodeficiency virus (HIV). However, the relationship between CD36 and the HBV life cycle remains unclear...
2016: PloS One
Enrique Jurado-Ruiz, Lourdes M Varela, Amparo Luque, Genoveva Berná, Gladys Cahuana, Enrique Martinez-Force, Rocío Gallego-Durán, Bernat Soria, Baukje de Roos, Manuel Romero Gómez, Franz Martín
SCOPE: We evaluated the protective effect of extra virgin olive oil (EVOO) in high-fat diets (HFDs) on the inflammatory response and liver damage in a non-alcoholic fatty liver disease (NAFLD) mouse model. METHODS AND RESULTS: C57BL/6J mice fed a standard diet or a lard-based HFD (HFD-L) for 12 weeks to develop NAFLD. HFD fed mice were then divided into four groups and fed for 24 weeks with: HFD-L; HFD-EVOO; HFD-OL (phenolics-rich EVOO) and R (reversion; standard diet)...
October 17, 2016: Molecular Nutrition & Food Research
Rugmani Padmanabhan Iyer, Lisandra E de Castro Brás, Nicolle L Patterson, Manishabrata Bhowmick, Elizabeth R Flynn, Majdouline Asher, Presley L Cannon, Kristine Y Deleon-Pennell, Gregg B Fields, Merry L Lindsey
Matrix metalloproteinase-9 (MMP-9) is robustly elevated in the first week post-myocardial infarction (MI). Targeted deletion of the MMP-9 gene attenuates cardiac remodeling post-MI by reducing macrophage infiltration and collagen accumulation through increased apoptosis and reduced inflammation. In this study, we used a translational experimental design to determine whether selective MMP-9 inhibition early post-MI would be an effective therapeutic strategy in mice. We enrolled male C57BL/6J mice (3-6months old, n=116) for this study...
October 13, 2016: Journal of Molecular and Cellular Cardiology
Er-Wen Huang, Can-Zhao Liu, Si-Jia Liang, Zheng Zhang, Xiao-Fei Lv, Jie Liu, Jia-Guo Zhou, Yong-Bo Tang, Yong-Yuan Guan
BACKGROUND AND AIMS: Macrophage-derived foam cell formation (MFCF) is a crucial step in the pathogenesis of atherosclerosis. Uptake of oxidized low-density lipoprotein (oxLDL) by scavenger receptors is indispensable for MFCF. Endophilin-A2 has been reported to regulate clathrin-mediated endocytosis (CME). In this study, we tested the hypothesis that endophilin-A2 regulates oxLDL uptake and MFCF by mediating CME of oxLDL-scavenger receptor complexes. METHODS: In vitro MFCF was induced by oxLDL treatment...
October 6, 2016: Atherosclerosis
Taylor S Cohen, Omari Jones-Nelson, Meghan Hotz, Lily Cheng, Lloyd S Miller, JoAnn Suzich, C Kendall Stover, Bret R Sellman
Bacterial pneumonia, such as those caused by Staphylococcus aureus, is associated with an influx of inflammatory neutrophils into the lung tissue and airways. Regulation and clearance of recruited neutrophils is essential for preventing tissue damage by "friendly fire", a responsibility of macrophages in a process called efferocytosis. We hypothesized that S. aureus impairs efferocytosis by alveolar macrophages (AMs) through the activity of the secreted virulence factor alpha toxin (AT), which has been implicated in altering the antimicrobial function of AMs...
October 14, 2016: Scientific Reports
Taizen Nakase, Tatsuya Ishikawa, Hajime Miyata
Fragility of atheromatous plaque in the internal carotid artery can be a risk of brain infarction. The activation of macrophages by oxidative stress and the vulnerability of vascular endothelial cells have been reported to participate in the fragility of atheromatous plaque. Therefore, from the view point of prevention of brain infarction, we investigated the pathological factors which may influence the stabilization of atheromatous plaque. Patients undertaking carotid endoarterectomy (CEA) were continuously screened...
October 13, 2016: Neuropathology: Official Journal of the Japanese Society of Neuropathology
Neal K Bennett, Rebecca Chmielowski, Dalia S Abdelhamid, Jonathan J Faig, Nicola Francis, Jean Baum, Zhiping P Pang, Kathryn E Uhrich, Prabhas V Moghe
Neuroinflammation, a common neuropathologic feature of neurodegenerative disorders including Parkinson disease (PD), is frequently exacerbated by microglial activation. The extracellular protein α-synuclein (ASYN), whose aggregation is characteristic of PD, remains a key therapeutic target, but the control of synuclein trafficking and aggregation within microglia has been challenging. First, we established that microglial internalization of monomeric ASYN was mediated by scavenger receptors (SR), CD36 and SRA1, and was rapidly accompanied by the formation of ASYN oligomers...
October 4, 2016: Biomaterials
Christoph Tondera, Markus Laube, Jens Pietzsch
The EF-hand type calcium-binding protein S100A12 exerts numerous intra- and extracellular functions of (patho)physiological relevance. Therefore, receptors of S100A12 are of high interest for research and clinical applications. Beside the extensively studied receptor for advanced glycation endproducts (RAGE), G-protein coupled receptors and more recently, scavenger receptors are suggested to be putative S100A12 receptors. Own findings and further information from the literature predestined CD36, a class B scavenger receptor, as promising candidate...
October 12, 2016: Amino Acids
Xueyan Yang, Meihui Yin, Lan Yu, Meili Lu, Hongxin Wang, Futian Tang, Yingjie Zhang
We previously reported that simvastatin, an inhibitor of HMG-CoA reductase, inhibits atherosclerosis in rats. The present study was designed to investigate the effect of simvastatin on mouse peritoneal macrophage foam cell formation, the early feature of atherosclerosis, and explore its mechanisms. The results showed that simvastatin decreased cholesterol content and DiI-oxLDL (1,1'-didodecyl 3,3,3',3'-indocarbocyanine perchlorate - oxidized low-density lipoprotein) uptake, reduced the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in the medium, down-regulated the mRNA and protein expression of CD36 (a fatty acid receptor), and reduced the mRNA expressions of peroxisome proliferator-activated receptor gamma (PPARγ), TNF-α, and IL-6 in macrophages treated with oxLDL...
August 16, 2016: Canadian Journal of Physiology and Pharmacology
Latisha Love-Gregory, Aldi T Kraja, Fiona Allum, Stella Aslibekyan, Åsa K Hedman, Yanan Duan, Ingrid B Borecki, Donna K Arnett, Mark I McCarthy, Panos Deloukas, Jose M Ordovas, Paul N Hopkins, Elin Grundberg, Nada A Abumrad
CD36 variants influence fasting lipids and risk of metabolic syndrome, but their impact on postprandial lipids, an independent risk factor for cardiovascular disease, is unclear. We determined effects of SNPs within a ~410-kb region encompassing CD36 and its proximal and distal promoters on chylomicron remnants (CM) and LDL particles at fasting, 3.5 and 6 hours following a high-fat meal (GOLDN study, n=1117). Five promoter variants associated with CM, four with delayed triglyceride clearance and five with LDL particle number...
October 11, 2016: Journal of Lipid Research
Peng Ma, Ling Yao, Xuemei Lin, Tieguang Gu, Xianglu Rong, Robert Batey, Johji Yamahara, Jianwei Wang, Yuhao Li
Apple pomace is a by-product of the processing of apple for juice, cider or wine preparation. Rosemary is a herb commonly used as spice and flavoring agent in food processing. Evidence suggests that both apple pomace and rosemary have rich bioactive molecules with numerous metabolic effects. To provide more information for using apple pomace and rosemary as functional foods for management of metabolism-associated disorders, the present study investigated the insulin-sensitizing effect of a mixture of apple pomace and rosemary extract (AR)...
2016: American Journal of Translational Research
Lingman Ma, Lifen Qian, Qidi Ying, Yan Zhang, Changlin Zhou, Guanzhong Wu
Here, we investigated whether I4, which was initially developed as a hypoglycemic agent, possesses anti-atherosclerotic activity and attempted to elucidate the probable mechanism of action underlying this activity. ApoE(-/-) mice were fed a Western diet and simultaneously administered I4, glimepiride, or pioglitazone once daily for 12 weeks, and the atherosclerotic vascular lesions, lipid content, and expression levels of LOX-1, ICAM-1, VCAM-1 and Bax/Bcl-2 in mouse aortas were assessed. RAW264.7 macrophage-derived foam cells were obtained via ox-LDL stimulation to investigate the lipid-lowering, anti-atherosclerotic inflammation and anti-apoptotic effect of I4...
October 7, 2016: Molecular and Cellular Endocrinology
Elodie Martin, Céline Boucher, Bertrand Fontaine, Cécile Delarasse
Alzheimer's disease (AD) is a neurodegenerative disease characterized by formation of amyloid-β (Aβ) plaques, activated microglia, and neuronal cell death leading to progressive dementia. Recent data indicate that microglia and monocyte-derived macrophages (MDM) are key players in the initiation and progression of AD, yet their respective roles remain to be clarified. As AD occurs mostly in the elderly and aging impairs myeloid functions, we addressed the inflammatory profile of microglia and MDM during aging in TgAPP/PS1 and TgAPP/PS1dE9, two transgenic AD mouse models, compared to WT littermates...
October 8, 2016: Aging Cell
Miki Nishida, Minoru Ando, Yusuke Iwamoto, Ken Tsuchiya, Kosaku Nitta
BACKGROUND: Scavenger receptors (SRs) play a pivotal role in atherogenesis. The mechanism of atherosclerosis, which is specific to hemodialysis (HD) patients, was studied on the basis of SR gene expressions. METHODS: The gene expressions of SR type A (SR-A) and CD36 were studied in peripheral monocytes by real-time reverse transcription polymerase chain reaction. Data were compared between HD (n = 30) and age-matched control subjects (n = 10). Serum levels of macrophage colony-stimulating factor (M-CSF) were measured with enzyme-linked immunosorbent assay to test its role in SR expression...
May 2016: Nephron Extra
Bin Mao, Shu Huang, Xulin Lu, Wencui Sun, Ya Zhou, Xu Pan, Jinfeng Yu, Mowen Lai, Bo Chen, Qiongxiu Zhou, Song Mao, Guohui Bian, Jiaxi Zhou, Tatsutoshi Nakahata, Feng Ma
The development of human erythroid cells has been mostly examined in models of adult hematopoiesis, while their early derivation during embryonic and fetal stages is largely unknown. We observed the development and maturation of erythroblasts derived from human pluripotent stem cells (hPSCs) by an efficient co-culture system. These hPSC-derived early erythroblasts initially showed definitive characteristics with a glycophorin A(+) (GPA(+)) CD34(low)CD36(-) phenotype and were distinct from adult CD34(+) cell-derived ones...
October 4, 2016: Stem Cell Reports
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