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Transitional b cells

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https://www.readbyqxmd.com/read/28530155/an-oncolytic-adenovirus-encoding-decorin-and-gm-csf-inhibits-tumor-growth-in-a-colorectal-tumor-model-by-targeting-pro-tumorigenic-signals-and-via-immune-activation
#1
Zhao Liu, Yuefeng Yang, Xiaoyan Zhang, Hao Wang, Weidong Xu, Hua Wang, FengJun Xiao, Zhigang Bai, Hongwei Yao, Xuemei Ma, Lan Jin, Chu-Tse Wu, Prem Seth, Zhongtao Zhang, Lisheng Wang
In advanced and metastatic stages of colorectal cancer (CRC), reduced sensitivity to conventional strategies is still a major obstacle to successful treatments. Decorin is an important regulator in the development and progression of various cancers. To examine if CRC patients have altered decorin levels, expression of decorin and its target genes, Met and vascular endothelial growth factor A (VEGFA) were analyzed in their tumors. Compared to normal tissues, decorin expression was reduced in CRC patients' tumors, while, there were increased Met and VEGFA levels...
May 20, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28527355/antimycotic-activity-of-fengycin-c-biosurfactant-and-its-interaction-with-phosphatidylcholine-model-membranes
#2
Lina María González-Jaramillo, Francisco José Aranda, José Antonio Teruel, Valeska Villegas-Escobar, Antonio Ortiz
Lipopeptide biosurfactants constitute one of the most promising groups of compounds for the treatment and prevention of fungal diseases in plants. Bacillus subtilis strain EA-CB0015 produces iturin A, fengycin C and surfactin and it has been proven useful for the treatment of black Sigatoka disease in banana plants, an important pathology caused by the fungus Mycosphaerella fijiensis (Morelet). We have found that B. subtilis EA-CB0015 cell free supernatants and purified fractions inhibit M. fijiensis cellular growth...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28525556/transcriptome-of-the-gsh-depleted-lens-reveals-changes-in-detoxification-and-emt-signaling-genes-transport-systems-and-lipid-homeostasis
#3
Jeremy A Whitson, Xiang Zhang, Mario Medvedovic, Jenny Chen, Zongbo Wei, Vincent M Monnier, Xingjun Fan
Purpose: To understand the effects of glutathione (GSH)-deficiency on genetic processes that regulate lens homeostasis and prevent cataractogenesis. Methods: The transcriptome of lens epithelia and fiber cells was obtained from C57BL/6 LEGSKO (lens GSH-synthesis knockout) and buthionine sulfoximine (BSO)-treated LEGSKO mice and compared to C57BL/6 wild-type mice using RNA-Seq. Transcriptomic data were confirmed by qPCR and Western blot/ELISA on a subset of genes...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28524857/a-defined-metabolic-state-in-pre-b-cells-governs-b-cell-development-and-is-counterbalanced-by-swiprosin-2-efhd1
#4
Merle Stein, Sebastian Dütting, Dimitrios Mougiakakos, Michael Bösl, Kristin Fritsch, Dorothea Reimer, Sophia Urbanczyk, Tobit Steinmetz, Wolfgang Schuh, Aline Bozec, Thomas H Winkler, Hans-Martin Jäck, Dirk Mielenz
B-cell development in the bone marrow comprises proliferative and resting phases in different niches. We asked whether B-cell metabolism relates to these changes. Compared to pro B and small pre B cells, large pre B cells revealed the highest glucose uptake and ROS but not mitochondrial mass, whereas small pre B cells exhibited the lowest mitochondrial membrane potential. Small pre B cells from Rag1(-/-);33.C9 μ heavy chain knock-in mice revealed decreased glycolysis (ECAR) and mitochondrial spare capacity compared to pro B cells from Rag1(-/-) mice...
May 19, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28524679/transition-from-collisional-to-collisionless-regimes-in-interpenetrating-plasma-flows-on-the-national-ignition-facility
#5
J S Ross, D P Higginson, D Ryutov, F Fiuza, R Hatarik, C M Huntington, D H Kalantar, A Link, B B Pollock, B A Remington, H G Rinderknecht, G F Swadling, D P Turnbull, S Weber, S Wilks, D H Froula, M J Rosenberg, T Morita, Y Sakawa, H Takabe, R P Drake, C Kuranz, G Gregori, J Meinecke, M C Levy, M Koenig, A Spitkovsky, R D Petrasso, C K Li, H Sio, B Lahmann, A B Zylstra, H-S Park
A study of the transition from collisional to collisionless plasma flows has been carried out at the National Ignition Facility using high Mach number (M>4) counterstreaming plasmas. In these experiments, CD-CD and CD-CH planar foils separated by 6-10 mm are irradiated with laser energies of 250 kJ per foil, generating ∼1000  km/s plasma flows. Varying the foil separation distance scales the ion density and average bulk velocity and, therefore, the ion-ion Coulomb mean free path, at the interaction region at the midplane...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28524628/myenteric-neuroprotective-role-of-aspirin-in-acute-and-chronic-experimental-infections-with-trypanosoma-cruzi
#6
J Y Oda, M O Belém, T M Carlos, R Gouveia, B F C Luchetti, N M Moreira, C L Massocatto, S M Araújo, D M G Sant Ana, N C Buttow, P Pinge-Filho, E J A Araújo
BACKGROUND: Experimental and clinical studies have shown that myenteric neuron cell death during infection with Trypanosoma cruzi mainly occurs in the esophagus and colon, resulting in megaesophagus and megacolon, respectively. Evidence suggests that the cyclooxygenase enzyme (COX) is involved in the T. cruzi invasion process. The use of low-dose aspirin (ASA), a COX-1/COX-2 inhibitor, has been shown to reduce infection with T. cruzi. Therefore, in this study, we evaluated the effects of treatment with low-dose ASA on myenteric colonic neurons during murine infection with T...
May 19, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28522693/histone-h3-3k27m-represses-p16-to-accelerate-gliomagenesis-in-a-murine-model-of-dipg
#7
Francisco J Cordero, Zhiqing Huang, Carole Grenier, Xingyao He, Guo Hu, Roger E McLendon, Susan K Murphy, Rintaro Hashizume, Oren J Becher
Diffuse Intrinsic Pontine Glioma (DIPG) is a highly aggressive pediatric brainstem tumor genetically distinguished from adult GBM by the high prevalence of the K27M mutation in the histone H3 variant H3.3 (H3F3A). This mutation reprograms the H3K27me3 epigenetic landscape of DIPG by inhibiting the H3K27-specific histone methyltransferase EZH2. This globally reduces H3K27me2/3, critical repressive marks responsible for cell fate decisions, and also causes focal gain of H3K27me3 throughout the epigenome. To date the tumor-driving effects of H3...
May 18, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28521470/new-role-of-human-ribosomal-protein-s3-regulation-of-cell-cycle-via-phosphorylation-by-cyclin-dependent-kinase-2
#8
Se Hee Han, Ji Hyung Chung, Joon Kim, Key-Sun Kim, Ye Sun Han
Human ribosomal protein S3 (hRpS3) is a component of the 40S ribosomal subunit that associated in protein synthesis. hRpS3 has additional ribosomal functions such as DNA repair, transcription, metastasis, and apoptosis via interaction with numerous signaling molecules and has different modifications. Cyclin-dependent kinases (CDKs) are heterodimeric serine/threonine protein kinases that regulate cell cycle progression. Among its members, the Cdk1-cyclin B complex is known to control cell progression in the G2/M phase, while Cdk2-cyclin E/A complexes function in G1/S and S/G2 transition...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516273/a-comparative-study-of-ablation-boundary-sharpness-after-percutaneous-radiofrequency-cryo-microwave-and-irreversible-electroporation-ablation-in-normal-swine-liver-and-kidneys
#9
Francois H Cornelis, Jeremy C Durack, Simon Y Kimm, Thomas Wimmer, Jonathan A Coleman, Stephen B Solomon, Govindarajan Srimathveeravalli
PURPOSE: To compare ablation boundary sharpness after percutaneous radiofrequency ablation (RFA), cryoablation (CA), microwave ablation (MWA) and irreversible electroporation (IRE) ablation in normal swine liver and kidney. MATERIALS AND METHODS: Percutaneous CT-guided RFA (n = 5), CA (n = 5), MWA (n = 5) and IRE (n = 5) were performed in the liver and kidney of four Yorkshire pigs. Parameters were chosen to produce ablations 2-3 cm in diameter with a single ablation probe...
May 17, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28514754/a-hydrophobic-residue-in-the-tale-homeodomain-of-pbx1-promotes-epithelial-to-mesenchymal-transition-of-gastric-carcinoma
#10
Changyu He, Zhenqiang Wang, Li Zhang, Liyun Yang, Jianfang Li, Xuehua Chen, Jun Zhang, Qing Chang, Yingyan Yu, Bingya Liu, Zhenggang Zhu
Pre-B-cell leukemia homeobox 1 (PBX1) was originally identified as a proto-oncogene in human leukemia. Although this protein has been shown to contribute to cellular development and tumorigenesis, the role of PBX1 in gastric carcinoma (GC) remains unclear. In this study, we observed increased expression of PBX1 in GC tissues compared with adjacent normal tissues. This increase in PBX1 expression levels negatively correlated with HOXB9 mRNA expression and was also associated with malignancy and metastasis. PBX1 promoted proliferation and metastasis of GC cells both in vitro and in vivo...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28512262/alternative-promotion-and-suppression-of-metastasis-by-jnk2-governed-by-its-phosphorylation
#11
Sike Hu, Xiaoli Dong, Wenjuan Gao, Dwayne Stupack, Yanhua Liu, Rong Xiang, Na Li
Fos-related antigen 1 (Fra1) has been proposed as a gatekeeper of the mesenchymal-epithelial transition to epithelial-mesenchymal transition. Here, we showed that de-phosphorylated JNK2 increased the expression of Fra1 by promoting the expression of c-Jun and Jun-B. Conversely, phosphorylated JNK2 suppressed its expression via enhancing the ubiquitination of c-Jun and Jun-B. These data provided insights into the regulatory mechanism of JNK2 on the expression of Fra1. Our study thus demonstrated that the conversion of JNK2 from its phosphorylation to de-phosphorylation status promoted the switch of breast cancer cells from mesenchymal-epithelial transition to epithelial-mesenchymal transition...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28511643/long-noncoding-rna-expression-profile-in-hle-b-3-cells-during-tgf-%C3%AE-2-induced-epithelial-mesenchymal-transition
#12
Bingyu Zhang, Yang Chen, Meiyuan Qiu, Zhixiang Ding
BACKGROUND: Recent evidence has shown that long noncoding RNAs (lncRNAs) are involved in the process of epithelial-mesenchymal transition (EMT). However, little research has focused on the expression profile of lncRNAs during EMT in human lens epithelial cells (LECs) and their functions have not yet been described. METHODS: Dysregulated lncRNAs and mRNAs in normal human lens epithelial B-3(HLE B-3) cells and during transforming growth factor β2(TGF-β2)-induced EMT were analyzed via lncRNA microarray...
May 16, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28509342/morphological-and-molecular-characterization-of-bysmatrum-subsalsum-dinophyceae-from-the-western-mediterranean-sea-reveals-the-existence-of-cryptic-species
#13
Sílvia Anglès, Albert Reñé, Esther Garcés, Antonella Lugliè, Nicola Sechi, Jordi Camp, Cecilia Teodora Satta
Bysmatrum subsalsum is a cosmopolitan dinoflagellate species that inhabits marine and transitional habitats. Despite its wide distribution, information on the morphological variability, phylogeny and ecology of B. subsalsum is scarce. In this study, we provide morphological and molecular data on B. subsalsum strains and wild cells from different locations in the Mediterranean Basin. The dynamics of cell abundances and the associated environmental conditions during a field bloom are also described. Genetic sequences of B...
May 16, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28508029/a-b-cell-gene-signature-correlates-with-the-extent-of-gluten-induced-intestinal-injury-in-celiac-disease
#14
Mitchell E Garber, Alok Saldanha, Joel S Parker, Wendell D Jones, Katri Kaukinen, Kaija Laurila, Marja-Leena Lähdeaho, Purvesh Khatri, Chaitan Khosla, Daniel C Adelman, Markku Mäki
BACKGROUND & AIMS: Celiac disease (CeD) provides an opportunity to study autoimmunity and the transition in immune cells as dietary gluten induces small intestinal lesions. METHODS: Seventy-three celiac disease patients on a long-term, gluten-free diet ingested a known amount of gluten daily for 6 weeks. A peripheral blood sample and intestinal biopsy specimens were taken before and 6 weeks after initiating the gluten challenge. Biopsy results were reported on a continuous numeric scale that measured the villus-height-to-crypt-depth ratio to quantify gluten-induced intestinal injury...
July 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28506831/cryab-promotes-the-invasion-and-metastasis-of-colorectal-cancer-via-epithelial-mesenchymal-transition
#15
Chuanbing Shi, Xiaojun Yang, Xiaodong Bu, Ning Hou, Pingsheng Chen
Alpha B-crystallin (CRYAB, HSPB5) is a protein that was first discovered in the lens of the eye. It is a member of the small heat-shock protein family (sHsps). CRYAB functions primarily as a molecular chaperone to prevent the aggregation and degradation of damaged unfolded proteins due to cellular damage resulting from heat shock, radiation, oxidative stress, and other insults, thereby promoting cell survival and preventing apoptosis. In recent years, the role of CRYAB in tumorigenesis, tumor invasion, and metastasis has received increasing attention...
May 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28505405/structural-basis-for-xenosiderophore-utilization-by-the-human-pathogen-staphylococcus-aureus
#16
Nathaniel P Endicott, Eries Lee, Timothy Adam Wencewicz
Staphylococcus aureus produces a cocktail of metallophores (staphylopine, staphyloferrin A, and staphyloferrin B) to scavenge transition metals during infection of a host. In addition, S. aureus displays the extracellular surface lipoproteins FhuD1 and FhuD2 along with the ABC transporter complex FhuCBG to facilitate the use of hydroxamate xenosiderophores such as desferrioxamine B (DFOB) for iron acquisition. DFOB is used as a chelation therapy to treat human iron overload diseases and has been linked to an increased risk of S...
May 15, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28504929/evolution-of-an-intricate-j-protein-network-driving-protein-disaggregation-in-eukaryotes
#17
Nadinath B Nillegoda, Antonia Stank, Duccio Malinverni, Niels Alberts, Anna Szlachcic, Alessandro Barducci, Paolo De Los Rios, Rebecca C Wade, Bernd Bukau
Hsp70 participates in a broad spectrum of protein folding processes extending from nascent chain folding to protein disaggregation. This versatility in function is achieved through a diverse family of J-protein cochaperones that select substrates for Hsp70. Substrate selection is further tuned by transient complexation between different classes of J-proteins, which expands the range of protein aggregates targeted by metazoan Hsp70 for disaggregation. We assessed the prevalence and evolutionary conservation of J-protein complexation and cooperation in disaggregation...
May 15, 2017: ELife
https://www.readbyqxmd.com/read/28501572/quercetin-inhibited-epithelial-mesenchymal-transition-in-diabetic-rats-high-glucose-cultured-lens-and-sra01-04-cells-through-transforming-growth-factor-%C3%AE-2-phosphoinositide-3-kinase-akt-pathway
#18
Lei Du, Meng Hao, Chengcheng Li, Wenya Wu, Wenwen Wang, Zhongxuan Ma, Tingting Yang, Nan Zhang, Adelusi Temitope Isaac, Xia Zhu, Ying Sun, Qian Lu, Xiaoxing Yin
Diabetic cataract (DC), an identified life-threatening secondary complication of diabetes mellitus, has proven to be a dilemma because of its multifactorial caused and progression. An increasing number of studies have shown that in addition to the maillard reaction, enhanced polyol pathway, and oxidative insults, epithelial mesenchymal transition (EMT) is related to the prevalence of DC. Quercetin, a classic flavonoid with multiple pharmacological effects has been reported to possess therapeutic efficacy in the management and treatment of this disease...
May 10, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28499854/curcumin-loading-potentiates-the-chemotherapeutic-efficacy-of-selenium-nanoparticles-in-hct116-cells-and-ehrlich-s-ascites-carcinoma-bearing-mice
#19
Manisha Kumari, L Ray, M P Purohit, S Patnaik, A B Pant, Y Shukla, P Kumar, K C Gupta
The anticancer properties of selenium (Se) and curcumin nanoparticles in solo formulations as well as in combination with other therapeutic agents have been proved time and again. Exploiting this facet of the two, we clubbed their tumoricidal characteristics and designed curcumin loaded Se nanoparticles (Se-CurNPs) to achieve an enhanced therapeutic effect. We evaluated their therapeutic effects on different cancer cell lines and Ehrlich's ascites carcinoma mouse model. In vitro results showed that Se-CurNPs were most effective on colorectal carcinoma cells (HCT116) compared to the other cancer cell lines used and possessed pleiotropic anticancer effects...
May 9, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28498363/a-novel-microrna-regulator-of-prostate-cancer-epithelial-mesenchymal-transition
#20
Nathan Bucay, Divya Bhagirath, Kirandeep Sekhon, Thao Yang, Shinichiro Fukuhara, Shahana Majid, Varahram Shahryari, ZLaura Tabatabai, Kirsten L Greene, Yutaka Hashimoto, Marisa Shiina, Soichiro Yamamura, Yuichiro Tanaka, Guoren Deng, Rajvir Dahiya, Sharanjot Saini
The most frequent alteration in the prostate oncogenome is loss of chromosome (chr) 8p21 that has been associated with loss of NKX3.1 homeobox gene. Chr8p21 deletions increase significantly with tumor grade and are associated with poor prognosis in prostate cancer (PCa), suggesting critical involvement of this region in tumor progression. Recent studies suggest that apart from NKX3.1, this region harbors alternative tumor suppressors that are yet undefined. We proposed a novel, paradigm shifting hypothesis that this locus is associated with a miRNA gene cluster-miR-3622a/b- that plays a crucial suppressive role in PCa...
May 12, 2017: Cell Death and Differentiation
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