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https://www.readbyqxmd.com/read/28829282/parthenolide-promotes-differentiation-of-osteoblasts-through-the-wnt-%C3%AE-catenin-signaling-pathway-in-inflammatory-environments
#1
Xufang Zhang, Qingpiao Chen, Jianwei Liu, Chen Fan, Qi Wei, Zetao Chen, Xueli Mao
Periodontitis is a progressive inflammatory disease initiated by bacterial biofilm adhering to the tooth surface. If left untreated, periodontitis may lead to tooth loss and destruction of the alveolar bone. Regaining the lost alveolar bone is a clinical challenge because of the limited differentiation ability of osteoblasts in inflammatory environments. We have previously shown the anti-inflammatory and antiosteoclastogenic activities of parthenolide (PTL) in human periodontal ligament-derived cells by inhibiting nuclear factor kappa B (NF-κB) signaling, indicating its potential for periodontitis treatment...
August 22, 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28828235/rna-sequencing-rna-seq-of-lymph-node-spleen-and-thymus-transcriptome-from-wild-peninsular-malaysian-cynomolgus-macaque-macaca-fascicularis
#2
Joey Ee Uli, Christina Seok Yien Yong, Swee Keong Yeap, Jeffrine J Rovie-Ryan, Nurulfiza Mat Isa, Soon Guan Tan, Noorjahan Banu Alitheen
The cynomolgus macaque (Macaca fascicularis) is an extensively utilised nonhuman primate model for biomedical research due to its biological, behavioural, and genetic similarities to humans. Genomic information of cynomolgus macaque is vital for research in various fields; however, there is presently a shortage of genomic information on the Malaysian cynomolgus macaque. This study aimed to sequence, assemble, annotate, and profile the Peninsular Malaysian cynomolgus macaque transcriptome derived from three tissues (lymph node, spleen, and thymus) using RNA sequencing (RNA-Seq) technology...
2017: PeerJ
https://www.readbyqxmd.com/read/28827748/calf-spleen-extractive-injection-protects-mice-against-cyclophosphamide-induced-hematopoietic-injury-through-g-csf-mediated-jak2-stat3-signaling
#3
Wenqian Lu, Dongxu Jia, Shengshu An, Ming Mu, Xinan Qiao, Yan Liu, Xin Li, Di Wang
Calf Spleen Extractive Injection (CSEI), extracted from the spleen of healthy cows (within 24 hours of birth), is a small-peptide-enriched extraction and often used as an ancillary agent in cancer therapy. This study evaluated the hematopoietic function of CSEI and its underlying mechanisms, principally in CHRF, K562 cells, BMNCs and a mouse model of cyclophosphamide (CTX)-induced hematopoietic suppression. CSEI promoted the proliferation and differentiation of CHRF and K562 cells, activated hematopoietic- and proliferation-related factors RSK1p90, ELK1 and c-Myc, and facilitated the expression of differentiation- and maturation-related transcription factors GATA-1, GATA-2...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28827657/pre-culture-sudan-black-b-treatment-suppresses-autofluorescence-signals-emitted%C3%A2-from-polymer-tissue-scaffolds
#4
Lin Qi, Erin K Knapton, Xu Zhang, Tongwen Zhang, Chen Gu, Yi Zhao
In tissue engineering, autofluorescence of polymer scaffolds often lowers the image contrast, making it difficult to examine cells and subcellular structures. Treating the scaffold materials with Sudan Black B (SBB) after cell fixation can effectively suppress autofluorescence, but this approach is not conducive to live cell imaging. Post-culture SBB treatment also disrupts intracellular structures and leads to reduced fluorescence intensity of the targets of interest. In this study, we introduce pre-culture SBB treatment to suppress autofluorescence, where SBB is applied to polymeric scaffold materials before cell seeding...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28827644/cardiac-injury-of-the-newborn-mammalian-heart-accelerates-cardiomyocyte-terminal-differentiation
#5
David C Zebrowski, Charlotte H Jensen, Robert Becker, Fulvia Ferrazzi, Christina Baun, Svend Hvidsten, Søren P Sheikh, Brian D Polizzotti, Ditte C Andersen, Felix B Engel
After birth cardiomyocytes undergo terminal differentiation, characterized by binucleation and centrosome disassembly, rendering the heart unable to regenerate. Yet, it has been suggested that newborn mammals regenerate their hearts after apical resection by cardiomyocyte proliferation. Thus, we tested the hypothesis that apical resection either inhibits, delays, or reverses cardiomyocyte centrosome disassembly and binucleation. Our data show that apical resection rather transiently accelerates centrosome disassembly as well as the rate of binucleation...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28827392/spermatogonial-kinetics-in-the-human
#6
Sara Di Persio, Rossana Saracino, Stefania Fera, Barbara Muciaccia, Valentina Esposito, Carla Boitani, Bartolomeo P Berloco, Francesco Nudo, Gustavo Spadetta, Mario Stefanini, Dirk G de Rooij, Elena Vicini
The human spermatogonial compartment is essential for daily production of millions of sperm. Despite this crucial role, the molecular signature, kinetic behavior and regulation of human spermatogonia are poorly understood. Using human testis biopsies with normal spermatogenesis and studying marker protein expression, for the first time we identified different subpopulations of spermatogonia. MAGE-A4 marks all spermatogonia, KIT marks all B spermatogonia and UCLH1 all Apale-dark (Ap-d) spermatogonia. We suggest that at the start of the spermatogenic lineage there are Ap-d spermatogonia that are GFRA1(High) likely including the spermatogonial stem cells...
August 21, 2017: Development
https://www.readbyqxmd.com/read/28827325/targeted-pet-imaging-strategy-to-differentiate-malignant-from-inflamed-lymph-nodes-in-diffuse-large-b-cell-lymphoma
#7
Jun Tang, Darin Salloum, Brandon Carney, Christian Brand, Susanne Kossatz, Ahmad Sadique, Jason S Lewis, Wolfgang A Weber, Hans-Guido Wendel, Thomas Reiner
Diffuse large B-cell lymphoma (DLBCL) is the most common lymphoma in adults. DLBCL exhibits highly aggressive and systemic progression into multiple tissues in patients, particularly in lymph nodes. Whole-body (18)F-fluodeoxyglucose positron emission tomography ([(18)F]FDG-PET) imaging has an essential role in diagnosing DLBCL in the clinic; however, [(18)F]FDG-PET often faces difficulty in differentiating malignant tissues from certain nonmalignant tissues with high glucose uptake. We have developed a PET imaging strategy for DLBCL that targets poly[ADP ribose] polymerase 1 (PARP1), the expression of which has been found to be much higher in DLBCL than in healthy tissues...
August 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28827286/anti-cancer-drug-hmba-acts-as-an-adjuvant-during-intracellular-bacterial-infections-by-inducing-type-i-ifn-through-sting
#8
Akshamal Mihiranga Gamage, Kok-Onn Lee, Yunn-Hwen Gan
The anti-proliferative agent hexamethylene bisacetamide (HMBA) belongs to a class of hybrid bipolar compounds developed more than 30 y ago for their ability to induce terminal differentiation of transformed cells. Recently, HMBA has also been shown to trigger HIV transcription from latently infected cells, via a CDK9/HMBA inducible protein-1 dependent process. However, the effect of HMBA on the immune response has not been explored. We observed that pretreatment of human peripheral blood mononuclear cells with HMBA led to a markedly increased production of IL-12 and IFN-γ, but not of TNF-α, IL-6, and IL-8 upon subsequent infection with Burkholderia pseudomallei and Salmonella enterica HMBA treatment was also associated with better intracellular bacterial control...
August 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28826774/advances-in-basic-and-clinical-immunology-2016
#9
Javier Chinen, Yousef Badran, Raif S Geha, Janet S Chou, Ari J Fried
Advances in basic immunology in 2016 included studies that further characterized the role of different proteins in the differentiation of effector T cells and B cells, including cytokines and proteins involved in actin cytoskeleton. The regulation of granule formation and secretion in cytotoxic cells was also further described by examining patients with familial hemophagocytic lymphohystiocytosis. The role of prenylation in mevalonate kinase deficiency leading to inflammation has been established. We reviewed advances in clinical immunology as well as new approaches of whole genome sequencing and genes newly reported to be associated with immunodeficiency, such as linker of activation of T cells (LAT), B cell lymphoma 11B (BCL11B), RLTPR, moesin and JAK1...
August 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28821990/upregulation-of-cd16-monocyte-subsets-in-systemic-lupus-erythematous-patients
#10
Ziyan Wu, Shulan Zhang, Lidan Zhao, Yunyun Fei, Li Wang, Jing Li, Xiaoting Wen, Xiaofeng Zeng, Fengchun Zhang, Yongzhe Li
Monocytes are an important component in the innate immune system. However, studies to date have failed to conclude whether their levels are altered in patients with systemic lupus erythematosus (SLE). We applied the cytodiff counting method and comprehensively measured the circulating levels of distinct white blood cell (WBC) subsets, including CD16+, CD16-, and total monocytes, in 61 SLE patients as well as in 203 age-matched healthy controls (HCs). The absolute number of CD16- monocytes, total monocytes, immature granulocytes, mature neutrophils, total neutrophils, and T cell blasts was significantly higher, that of non-cytotoxic T lymphocytes, cytotoxic T + NK lymphocytes, T + NK lymphocytes, total lymphocytes, basophils, and eosinophils significantly lower (all p < 0...
August 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28821965/increased-endocytosis-of-magnetic-nanoparticles-into-cancerous-urothelial-cells-versus-normal-urothelial-cells
#11
Jasna Lojk, Vladimir Boštjan Bregar, Klemen Strojan, Samo Hudoklin, Peter Veranič, Mojca Pavlin, Mateja Erdani Kreft
The blood-urine barrier is the tightest and most impermeable barrier in the body and as such represents a problem for intravesical drug delivery applications. Differentiation-dependent low endocytotic rate of urothelial cells has already been noted; however, the differences in endocytosis of normal and cancer urothelial cells have not been exploited yet. Here we analysed the endocytosis of rhodamine B isothiocyanate-labelled polyacrylic acid-coated cobalt ferrite nanoparticles (NPs) in biomimetic urothelial in vitro models, i...
August 18, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28821734/transcriptional-transitions-in-alphonso-mango-mangifera-indica-l-during-fruit-development-and-ripening-explain-its-distinct-aroma-and-shelf-life-characteristics
#12
Ashish B Deshpande, Krishanpal Anamika, Vineet Jha, Hemangi G Chidley, Pranjali S Oak, Narendra Y Kadoo, Keshav H Pujari, Ashok P Giri, Vidya S Gupta
Alphonso is known as the "King of mangos" due to its unique flavor, attractive color, low fiber pulp and long shelf life. We analyzed the transcriptome of Alphonso mango through Illumina sequencing from seven stages of fruit development and ripening as well as flower. Total transcriptome data from these stages ranged between 65 and 143 Mb. Importantly, 20,755 unique transcripts were annotated and 4,611 were assigned enzyme commission numbers, which encoded 142 biological pathways. These included ethylene and flavor related secondary metabolite biosynthesis pathways, as well as those involved in metabolism of starch, sucrose, amino acids and fatty acids...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821574/mosaic-loss-of-non-muscle-myosin-iia-and-iib-is-sufficient-to-induce-mammary-epithelial-proliferation
#13
Kim-Vy Nguyen-Ngoc, Vanesa L Silvestri, Dan Georgess, Amanda N Fairchild, Andrew J Ewald
The mammary epithelium elaborates through hormonally-regulated changes in proliferation, migration, and differentiation. Non-muscle myosin II (NMII) functions at the interface between contractility, adhesion, and signal transduction. It was therefore a plausible regulator of mammary morphogenesis. We tested the genetic requirement for NMIIA and NMIIB through deletion of the myosin heavy chains (NMHC) that confer specificity to the complex. Surprisingly, mosaic loss, but not ubiquitous loss, of NMHCIIA and IIB induced high levels of proliferation in 3D culture...
August 18, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28821562/gtse1-regulates-spindle-microtubule-dynamics-to-control-aurora-b-kinase-and-kif4a-chromokinesin-on-chromosome-arms
#14
Aaron R Tipton, Jonathan D Wren, John R Daum, Joseph C Siefert, Gary J Gorbsky
In mitosis, the dynamic assembly and disassembly of microtubules are critical for normal chromosome movement and segregation. Microtubule turnover varies among different mitotic spindle microtubules, dictated by their spatial distribution within the spindle. How turnover among the various classes of spindle microtubules is differentially regulated and the resulting significance of differential turnover for chromosome movement remains a mystery. As a new tactic, we used global microarray meta-analysis (GAMMA), a bioinformatic method, to identify novel regulators of mitosis, and in this study, we describe G2- and S phase-expressed protein 1 (GTSE1)...
August 18, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28821013/rictor-positively-regulates-b-cell-receptor-signaling-by-modulating-actin-reorganization-via-ezrin
#15
Lu Huang, Yongjie Zhang, Chenguang Xu, Xiaomei Gu, Linlin Niu, Jinzhi Wang, Xiaoyu Sun, Xiaoming Bai, Xingtian Xuan, Qubei Li, Chunwei Shi, Bing Yu, Heather Miller, Gangyi Yang, Lisa S Westerberg, Wanli Liu, Wenxia Song, Xiaodong Zhao, Chaohong Liu
As the central hub of the metabolism machinery, the mammalian target of rapamycin complex 2 (mTORC2) has been well studied in lymphocytes. As an obligatory component of mTORC2, the role of Rictor in T cells is well established. However, the role of Rictor in B cells still remains elusive. Rictor is involved in B cell development, especially the peripheral development. However, the role of Rictor on B cell receptor (BCR) signaling as well as the underlying cellular and molecular mechanism is still unknown. This study used B cell-specfic Rictor knockout (KO) mice to investigate how Rictor regulates BCR signaling...
August 2017: PLoS Biology
https://www.readbyqxmd.com/read/28820088/bacillus-praedii-sp-nov-isolated-from-purplish-paddy-soil
#16
Bo Liu, Guo-Hong Liu, Cetin Sengonca, Peter Schumann, Jie-Ping Wang, Yu-Jing Zhu, Qin-Ying Liu, Ming-Kuang Wang
A Gram-stain-positive, rod-shaped, endospore-forming, aerobic bacterium, designated strain FJAT-25547T, was isolated from the purplish paddy soil collected from Linshan Township, Yanting Prefecture of Sichuan Province in PR China (31° 16' N 105° 27' E). Growth was achieved aerobically at temperatures between 15 and 40 °C (optimum 30 °C), with between 0 and 10.0 % NaCl (w/v) (optimum 4 %) and in the range of pH 5.0-12.0 (optimum pH 9.0). The cell-wall peptidoglycan contained meso-diaminopimelic acid, and the main isoprenoid quinone was MK-7...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28818855/paradigm-of-biased-par1-protease-activated-receptor-1-activation-and-inhibition-in-endothelial-cells-dissected-by-phosphoproteomics
#17
Bart L van den Eshof, Arie J Hoogendijk, Pelle J Simpson, Floris P J van Alphen, Sara Zanivan, Koen Mertens, Alexander B Meijer, Maartje van den Biggelaar
OBJECTIVE: Thrombin is the key serine protease of the coagulation cascade and mediates cellular responses by activation of PARs (protease-activated receptors). The predominant thrombin receptor is PAR1, and in endothelial cells (ECs), thrombin dynamically regulates a plethora of phosphorylation events. However, it has remained unclear whether thrombin signaling is exclusively mediated through PAR1. Furthermore, mechanistic insight into activation and inhibition of PAR1-mediated EC signaling is lacking...
August 17, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28818099/biosemantics-guided-gene-expression-profiling-of-sj%C3%A3-gren-s-syndrome-a-comparative-analysis-with-systemic-lupus-erythematosus-and-rheumatoid-arthritis
#18
Nirav R Shah, Braxton D Noll, Craig B Stevens, Michael T Brennan, Farah B Mougeot, Jean-Luc C Mougeot
BACKGROUND: Sjögren's syndrome (SS) shares many clinical and pathological similarities with systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). These autoimmune diseases mostly affect women. In this study, concept profile analysis (CPA) and gene expression meta-analysis were used to identify genes potentially involved in SS pathogenesis. METHODS: Human genes associated with SS, SLE, and RA were identified using the CPA tool, Anni 2.1. The differential mRNA expression of genes common to SS and SLE (SS-SLE) was determined in female peripheral blood mononuclear cells (PBMCs) using NCBI-GEO2R...
August 17, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28817839/evaluating-the-effect-of-immune-cells-on-the-outcome-of-patients-with-mesothelioma
#19
Serena J Chee, Maria Lopez, Toby Mellows, Sharmali Gankande, Karwan A Moutasim, Scott Harris, James Clarke, Pandurangan Vijayanand, Gareth J Thomas, Christian H Ottensmeier
BACKGROUND: We systematically assessed the prognostic and predictive value of infiltrating adaptive and innate immune cells in a large cohort of patients with advanced mesothelioma. METHODS: A tissue microarray from 302 samples was constructed. Markers of adaptive immune response in T-cells (CD8(+), FOXP3(+), CD4(+), CD45RO(+), CD3(+)) and B-cells (CD20(+)), and of innate immune response; neutrophils (NP57(+)), natural killer cells (CD56(+)) and macrophages (CD68(+)) were evaluated...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28817638/the-transcriptional-profiling-of-human-in-vivo-generated-plasma-cells-identifies-selective-imbalances-in-monoclonal-gammopathies
#20
Luis M Valor, Beatriz Rodríguez-Bayona, Ana B Ramos-Amaya, José A Brieva, Antonio Campos-Caro
Plasma cells (PC) represent the heterogeneous final stage of the B cells (BC) differentiation process. To characterize the transition of BC into PC, transcriptomes from human naïve BC were compared to those of three functionally-different subsets of human in vivo-generated PC: i) tonsil PC, mainly consisting of early PC; ii) PC released to the blood after a potent booster-immunization (mostly cycling plasmablasts); and, iii) bone marrow CD138+ PC that represent highly mature PC and include the long-lived PC compartment...
2017: PloS One
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