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https://www.readbyqxmd.com/read/29244772/sphingosine-1-phosphate-receptor-1-expressed-in-myeloid-cells-slows-diet-induced-atherosclerosis-and-protects-against-macrophage-apoptosis-in-ldlr-ko-mice
#1
Leticia Gonzalez, Alexander S Qian, Usama Tahir, Pei Yu, Bernardo L Trigatti
We generated myeloid specific sphingosine-1-phosphate receptor 1 (S1pr1) deficient mice by crossing mice that had myeloid specific expression of Cre recombinase (lyzMCre) with mice having the S1pr1 gene flanked by loxP recombination sites. We transplanted bone marrow from these mice and control lyzMCre mice with intact macrophage S1pr1 gene expression into low-density lipoprotein (LDL) receptor gene (Ldlr) deficient mice. The resulting chimeras were fed a high fat atherogenic diet for nine or twelve weeks and evaluated for atherosclerosis development in the aortic sinus...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29244751/spirulina-extract-enhanced-a-protective-effect-in-type-1-diabetes-by-anti-apoptosis-and-anti-ros-production
#2
Jiyeong Lee, Arum Park, Mi Jeong Kim, Hee-Joung Lim, Young-Ah Rha, Hee-Gyoo Kang
Interest in the nutritional value and pharmacological activities of blue-green algae has gradually increased. Spirulina extracts show protective effects against apoptosis and inflammatory damage in various cell types. Here, we investigated the protective effects of extracts from Spirulina maxima in a cytokine-mediated type 1 diabetes model in vitro and in streptozotocin-induced diabetic Wistar rats in vivo. Interleukin-1β and interferon-gamma induced substantial cytotoxicity to RINm5F rat insulinoma cells, increasing nitric oxide (NO) production, nuclear factor-kappa B (NF-κB) activity, the expression of endoplasmic reticulum (ER) stress genes, and activation of mitogen-activated protein kinases and key genes related apoptosis...
December 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29244742/fibrinogen-gamma-chain-mutations-provoke-fibrinogen-and-apolipoprotein-b-plasma-deficiency-and-liver-storage
#3
Francesco Callea, Isabella Giovannoni, Sinan Sari, Esendagli Guldal, Buket Dalgic, Gulen Akyol, Tsuyoshi Sogo, Abdulrahman Al-Hussaini, Giuseppe Maggiore, Andrea Bartuli, Renata Boldrini, Paola Francalanci, Emanuele Bellacchio
p.R375W (Fibrinogen Aguadilla) is one out of seven identified mutations (Brescia, Aguadilla, Angers, Al du Pont, Pisa, Beograd, and Ankara) causing hepatic storage of the mutant fibrinogen γ. The Aguadilla mutation has been reported in children from the Caribbean, Europe, Japan, Saudi Arabia, Turkey, and China. All reported children presented with a variable degree of histologically proven chronic liver disease and low plasma fibrinogen levels. In addition, one Japanese and one Turkish child had concomitant hypo-APOB-lipoproteinemia of unknown origin...
December 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29244206/deficits-in-general-emotion-regulation-skills-evidence-of-a-transdiagnostic-factor
#4
Christian Aljoscha Lukas, David Daniel Ebert, Hugo Trevisi Fuentes, Franz Caspar, Matthias Berking
OBJECTIVE: Deficits in emotion regulation (ER) skills are discussed as a transdiagnostic factor contributing to the development and maintenance of various mental disorders. However, systematic comparisons of a broad range of ER skills across diagnostic groups that are based on comparable definitions and measures of ER are still rare. METHOD: Therefore, we conducted two studies assessing a broad range of ER skills with the Emotion Regulation Skills Questionnaire in individuals meeting criteria for mental disorders (N1  = 1448; N2  = 137) and in a general population sample (N = 214)...
December 15, 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29243782/evaluation-of-clinical-significance-of-endoglin-expression-during-breast-cancer-and-its-correlation-with-er-and-pcna
#5
J-L Guo, S-Q Gu, Y Li, X-Y Zhang
OBJECTIVE: The present study is aimed to investigate the expression of Endoglin during breast cancer. Moreover, its clinical pathological significance, as well as correlation with estrogen receptor (ER) and proliferating cell nuclear antigen (PCNA), were also studied. PATIENTS AND METHODS: qRT-PCR and Western blot assays were utilized to study PCNA mRNA, ER, Endoglin and protein expression. Immunohistochemistry analysis was conducted to determine the expression of Endoglin, ER, and PCNA protein in breast cancer tissue and adjacent cancer tissue...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243589/defective-stim-mediated-store-operated-ca2-entry-in-hepatocytes-leads-to-metabolic-dysfunction-in-obesity
#6
Ana Paula Arruda, Benedicte Mengel Pers, Günes Parlakgul, Ekin Güney, Ted Goh, Erika Cagampan, Grace Yankun Lee, Renata L Goncalves, Gökhan S Hotamisligil
Defective Ca2+ handling is a key mechanism underlying hepatic endoplasmic reticulum (ER) dysfunction in obesity. ER Ca2+ level is in part monitored by the store-operated Ca2+ entry (SOCE) system, an adaptive mechanism that senses ER luminal Ca2+ concentrations through the STIM proteins and facilitates import of the ion from the extracellular space. Here, we show that hepatocytes from obese mice displayed significantly diminished SOCE as a result of impaired STIM1 translocation, which was associated with aberrant STIM1 O-GlycNAcylation...
December 15, 2017: ELife
https://www.readbyqxmd.com/read/29243513/evaluation-of-health-care-costs-and-utilization-for-patients-with-gout-a-population-based-matched-cohort-study
#7
Yi-Yun Lee, Chao-Hsiun Tang, Jin-Hua Chen, Li-Na Kuo, Yu Ko
OBJECTIVES: To better understand the economic burden of gout patients in Taiwan, we conducted a nationwide retrospective study to compare the healthcare costs and utilization between gout and gout-free patients. METHODS: The Longitudinal Health Insurance Database (LHID) 2010 was used to identify gout cases and matched gout-free controls. Gout cases were defined as having (1) at least three instances of diagnoses of gout on medical claims or (2) one diagnosis of gout with at least one gout-related pharmacy claim in 2011...
December 15, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29243420/-application-progress-of-proteomic-in-pharmacological-study-of-chinese-medicinal-formulae
#8
REVIEW
Yu-Qian Liu, Shu-Yu Zhan, Yu-Er Ruan, Zhi-Yan Zuo, Xiao-Ming Ji, Shuai-Jie Wang, Bao-Yue Ding
Chinese medicinal formulae are the important means of clinical treatment in traditional Chinese medicine. It is urgent to use modern advanced scientific and technological means to reveal the complicated mechanism of Chinese medicinal formulae because they have the function characteristics of multiple components, multiple targets and integrated regulation. The systematic and comprehensive research model of proteomic is in line with the function characteristics of Chinese medicinal formulae, and proteomic has been widely used in the study of pharmacological mechanism of Chinese medicinal formulae...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29243418/-research-progress-of-pharmacokinetics-and-pharmacodynamics-of-total-glucosides-of-peony-in-hepatoprotective-effects
#9
REVIEW
Zhi-Yan Zuo, Shu-Yu Zhan, Xuan Huang, Bao-Yue Ding, Yu-Qian Liu, Yu-Er Ruan, Ning-Hua Jiang
Total glucosides of peony (TGP), containing the effective components of paeoniflorin (Pae), albiflorin (Alb) and so on, are effective parts of Radix Paeoniae Alba. And it possesses extensive pharmacological actions, one of which is hepatoprotective effect. In recent years, abundant of pharmacokinetics and pharmacodynamics research of TGP in hepatoprotective effects have been performed. However, the relative medicine of TGP in hepatoprotective effect has not been developed for clinical application. In order to provide reference for the development and rational clinical application of TGP, the research progresses of pharmacokinetics and pharmacodynamics of TGP in hepatoprotective effect were summarized in this paper...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29242231/the-er-membrane-protein-complex-is-a-transmembrane-domain-insertase
#10
Alina Guna, Norbert Volkmar, John C Christianson, Ramanujan S Hegde
Insertion of proteins into membranes is an essential cellular process. The extensive biophysical and topological diversity of membrane proteins necessitates multiple insertion pathways that remain incompletely defined. Here, we found that known membrane insertion pathways fail to effectively engage tail-anchored membrane proteins with moderately hydrophobic transmembrane domains. These proteins are instead shielded in the cytosol by calmodulin. Dynamic release from calmodulin allowed sampling of the endoplasmic reticulum (ER), where the conserved ER membrane protein complex (EMC) was shown to be essential for efficient insertion in vitro and in cells...
December 14, 2017: Science
https://www.readbyqxmd.com/read/29242050/mutant-fgfr3-associated-with-saddan-disease-causes-cytoskeleton-disorganization-through-plc%C3%AE-1-src-mediated-paxillin-hyperphosphorylation
#11
R Montone, M G Romanelli, A Baruzzi, F Ferrarini, E Liboi, P M-J Lievens
K650M/E substitutions in the Fibroblast growth factor receptor 3 (FGFR3) are associated with Severe Achondroplasia with Developmental Delay and Acanthosis Nigricans (SADDAN) and Thanatophoric Dysplasia type II (TDII), respectively. Both SADDAN and TDII present with affected endochondral ossification marked by impaired chondrocyte functions and growth plate disorganization. In vitro, K650M/E substitutions confer FGFR3 constitutive kinase activity leading to impaired biosynthesis and accumulation of immature receptors in endoplasmic reticulum (ER)/Golgi...
December 11, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29241571/rmr-receptor-membrane-ring-h2-type-1-and-2-show-different-promoter-activities-and-subcellular-localizations-in-arabidopsis-thaliana
#12
Alessandro Occhialini, Sophie Marc-Martin, Guillaume Gouzerh, Stefan Hillmer, Jean-Marc Neuhaus
Soluble vacuolar proteins reach their compartments of final accumulation through the binding with specific transmembrane cargo receptors. In Arabidopsis thaliana two different families of receptors have been characterized. The AtVSRs (Vacuolar Sorting Receptor), which are known to be involved in the protein sorting to lytic vacuoles (LV), and the AtRMRs (Receptor Membrane RING-H2), for which there is less evidence for a role in the traffic to the protein storage vacuole (PSV). In this study we investigated the localization and tissue expression of two RMRs (AtRMR1 and 2) in their species of origin, A...
January 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29241549/trafficking-mediated-sting-degradation-requires-sorting-to-acidified-endolysosomes-and-can-be-targeted-to-enhance-anti-tumor-response
#13
Vijay K Gonugunta, Tomomi Sakai, Vladislav Pokatayev, Kun Yang, Jianjun Wu, Nicole Dobbs, Nan Yan
STING is an endoplasmic reticulum (ER)-associated transmembrane protein that turns on and quickly turns off downstream signaling as it translocates from the ER to vesicles. How STING signaling is attenuated during trafficking remains poorly understood. Here, we show that trafficking-mediated STING degradation requires ER exit and function of vacuolar ATPase complex. Late-stage STING vesicles are sorted to Rab7-positive endolysosomes for degradation. Based on analysis of existing structures, we also identified the helix amino acid 281 (aa281)-297 as a motif required for trafficking-mediated STING degradation...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241533/a-small-molecule-oligosaccharyltransferase-inhibitor-with-pan-flaviviral-activity
#14
Andreas S Puschnik, Caleb D Marceau, Yaw Shin Ooi, Karim Majzoub, Natalie Rinis, Joseph N Contessa, Jan E Carette
The mosquito-borne flaviviruses include important human pathogens such as dengue, Zika, West Nile, and yellow fever viruses, which pose a serious threat for global health. Recent genetic screens identified endoplasmic reticulum (ER)-membrane multiprotein complexes, including the oligosaccharyltransferase (OST) complex, as critical flavivirus host factors. Here, we show that a chemical modulator of the OST complex termed NGI-1 has promising antiviral activity against flavivirus infections. We demonstrate that NGI-1 blocks viral RNA replication and that antiviral activity does not depend on inhibition of the N-glycosylation function of the OST...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241203/genome-wide-transcriptome-analysis-of-estrogen-receptor-positive-and-human-epithelial-growth-factor-receptor-2-positive-breast-cancers-by-ribonucleic-acid-sequencing
#15
Pengtao Chen, Wei Song, Liangli Liu
AIM: The aim is to identify complex pathogenesis of breast cancer subtypes and disclose the whole landscape of altered transcriptional activities in these cancers. METHODS: We downloaded raw expression data from public database, and performed transcriptome analysis of 8 estrogen receptor-positive (ER+) breast cancer tissue samples, 8 human epithelial growth factor receptor 2-positive (HER2+) breast cancer tissue samples, and 3 normal breast tissues by identification, functional annotation, and prediction of upstream regulators and cell-surface biomarkers of differentially expressed genes (DEGs)...
December 14, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29241198/fam3a-protects-against-glutamate-induced-toxicity-by-preserving-calcium-homeostasis-in-differentiated-pc12-cells
#16
Qing Song, Wen-Li Gou, Yu-Liang Zou
BACKGROUND/AIMS: Stroke is the leading cause of adult disability, and glutamate-induced dysregulation of intracellular Ca2+ homeostasis is a key mechanism. FAM3A is the first member of the family with sequence similarity 3 (FAM3) gene family, and its biological function remains largely unknown. We have recently reported that FAM3A exerts protective effects against oxidative stress and mitochondrial dysfunction in HT22 cells. METHODS: Here, we investigated the protective effects of FAM3A using a glutamate-induced neuronal injury model in nerve growth factor (NGF)-differentiated PC12 cells...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29240740/characteristics-of-and-differences-between-pasifika-women-and-new-zealand-european-women-diagnosed-with-breast-cancer-in-new-zealand
#17
Charis Brown, Chunhuan Lao, Ross Lawrenson, Sandar Tin Tin, Michelle Schaaf, Jacquie Kidd, Anne Allan-Moetaua, Josephine Herman, Reena Raamsroop, Ian Campbell, Mark Elwood
AIM: Breast cancer in New Zealand-based Pasifika women is a significant issue. Although Pasifika women have a lower incidence of breast cancer compared to New Zealand European women, they have higher breast cancer mortality and lower five-year survival. The aim of this study was to describe the characteristics and tumour biology of Pasifika women and to compare New Zealand European women to identify what factors impact on early (Stage 1 and 2) vs advanced stage (Stage 3 and 4) at diagnosis...
December 15, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29240698/sequential-growth-of-uniform-%C3%AE-nayf%C3%A2-%C3%AE-nalnf%C3%A2-ln-y-lu-yb-microcrystals-with-luminescent-properties-of-multicolor-tuning-and-dual-mode-emission
#18
Dandan Ju, Feng Song, Yingdong Han, Wenjing Cui, Aihua Zhou, Shujing Liu, Xueqin Wang, Ming Feng, Chengguo Ming
We synthesized the uniform core-shell microstructured compounds with hexagonal phase NaYF₄:Er/Yb microrods as the core and hexagonal phase NaLnF₄ (NaYbF₄, NaLuF₄:Yb/Tm, NaYF₄:Yb/Er, NaYF₄:Eu) as the shell based on the hydrothermal reaction. These microscale core-shell structures provided a platform for the spatially confining optical process while possessing high luminescence efficiency. The thickness of the shell could be controlled by adjusting the amounts of shell precursor, which significantly affected the intensity of the shell dopant ions emission and the emission color of core-shell upconversion luminescence (UCL)...
December 14, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29240405/re-so4-b-oh-4-h2o-re-so4-b-oh-4-h2o-2-and-re-so4-b-oh-4-h2o-%C3%A2-h2o-rare-earth-borate-sulfates-featuring-three-types-of-layered-structures
#19
Wen-Wen Wang, Xiang Xu, Jin-Tao Kong, Jiang-Gao Mao
Using hydrothermal reactions, three series of rare-earth borate-sulfates, namely, RE(SO4)[B(OH)4](H2O) (RE = La (1), Sm (2), Eu (3)), RE(SO4)[B(OH)4](H2O)2 (RE = Pr (4), Nd (5), Sm (6), Eu (7), Gd (8)), and RE(SO4)[B(OH)4](H2O)·H2O (RE = Tb (9), Dy (10), Ho (11), Er (12), Tm (13), Yb (14), Lu (15), Y (16)), have been synthesized, which represent the first rare-earth borate-sulfate mixed-anion compounds. All these compounds possess the same fundamental building anionic units of SO4 and B(OH)4 tetrahedra; however, they exhibit three different types of two-dimensional (2D) layered structures composed of 1D RE-B-O and RE-S-O chains...
December 14, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29240396/casting-a-wider-net-rational-synthesis-design-of-low-dimensional-bulk-materials
#20
Katherine A Benavides, Iain W H Oswald, Julia Y Chan
The discovery of novel magnetic and electronic properties in low-dimensional materials has led to the pursuit of hierarchical materials with specific substructures. Low-dimensional solids are highly anisotropic by nature and show promise in new quantum materials leading to exotic physical properties not realized in three-dimensional materials. We have the opportunity to extend our synthetic strategy of the flux-growth method to designing single crystalline low-dimensional materials in bulk. The goal of this Account is to highlight the synthesis and physical properties of several low-dimensional intermetallic compounds containing specific structural motifs that are linked to desirable magnetic and electrical properties...
December 14, 2017: Accounts of Chemical Research
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