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https://www.readbyqxmd.com/read/28222462/decreased-frequencies-of-peripheral-blood-cd4-cd25-cd127-foxp3-in-patients-with-graves-disease-and-graves-orbitopathy-enhancing-effect-of-insulin-growth-factor-1-on-treg-cells
#1
Przemyslaw Pawlowski, Kamil Grubczak, Jerzy Kostecki, Elzbieta Ilendo-Poskrobko, Marcin Moniuszko, Malgorzata Pawlowska, Robert Rejdak, Joanna Reszec, Janusz Mysliwiec
Graves' orbitopathy (GO) is characterized by orbital T cell infiltration. We evaluated the regulatory T (Treg) cell fractions induced with IGF-1 in Graves' disease (GD) with and without GO. Peripheral blood mononuclear cells (PBMCs) were obtained from 13 patients with GD without eye manifestations; 10 patients with active GO; and 12 patients with nodular goiter (NG). All the patients from GD, GO, and NG were subclinical hyperthyroid. We analyzed the expression of Treg cell markers (CD4, CD25, CD127(-), Foxp3) on T cells and their ability to respond to IGF-1 stimulation...
February 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28222440/sumo-1-gene-silencing-inhibits-proliferation-and-promotes-apoptosis-of-human-gastric-cancer-sgc-7901-cells
#2
Lifang Jin, Kexin Shen, Tong Chen, Wei Yu, Huaiyu Zhang
BACKGROUND: It has been reported that blocking small ubiquitin-like modifier (SUMO) conjugation by silencing SUMO gene remarkably decreased tumor growth in vivo. However, few studies have examined the relationship between SUMO gene silencing and gastric cancer (GC). The study aims to explore the effects of SUMO-1 gene silencing on GC cell proliferation and apoptosis. METHODS: GC cells were cultured and divided into 5 groups: the blank group (without any transfection or treatment), the empty vector group (transfected with empty vector), the shRNA-SUMO-1-1 group (transfected with shRNA-SUMO-1-1 plasmid), the shRNA-SUMO-1-2 group (transfected with shRNA-SUMO-1-2 plasmid), and the shRNA-SUMO-1-3 group (transfected with shRNA-SUMO-1-3 plasmid)...
February 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222420/camalexin-induced-cell-membrane-scrambling-and-cell-shrinkage-in-human-erythrocytes
#3
Mustafa Almasry, Mohamed Jemaà, Morena Mischitelli, Florian Lang, Caterina Faggio
BACKGROUND/AIMS: The thaliana phytoalexin Camalexin has been proposed for the treatment of malignancy. Camalexin counteracts tumor growth in part by stimulation of suicidal death or apoptosis of tumor cells. Similar to apoptosis of nucleated cells, erythrocytes may enter suicidal death or eryptosis, which is characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the erythrocyte surface. Cellular mechanisms contributing to the complex machinery executing eryptosis include increase of cytosolic Ca2+ activity ([Ca2+]i), oxidative stress, ceramide, protein kinase C and caspases...
February 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222397/a-novel-approach-towards-design-synthesis-and-evaluation-of-some-schiff-base-analogues-of-2-aminopyridine-and-2-aminobezothiazole-against-hepatocellular-carcinoma
#4
Shinu Chacko, Subir Samanta
Hepatocellular carcinoma is the most common primary malignancy of the liver with poor prognosis. In this study novel, Schiff's bases of 2-aminopyridine (SSSC-26 to 31) and 2-aminobenzothiazole (SSSC-32 to 37) were designed, synthesised and evaluated for antioxidant potential using DPPH method, and anti-hepatocellular carcinoma property using diethylnitrosamine (DEN) induced hepatocellular carcinoma rat model. The in-silico pharmacokinetic, rule of five and toxicity studies reveals that all the leads have an excellent intrinsic quality and sufficient structural features necessary for an oral activity...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222387/baicalein-enhances-the-osteogenic-differentiation-of-human-periodontal-ligament-cells-by-activating-the-wnt-%C3%AE-catenin-signaling-pathway
#5
Li-Jiao Chen, Bi-Bo Hu, Xin-Lian Shi, Man-Man Ren, Wen-Bin Yu, Sheng-Dan Cen, Rong-Dang Hu, Hui Deng
OBJECTIVE: Periodontium regeneration is one of the most important processes for periodontitis therapy. Human periodontal ligament cells (hPDLCs) play a vital role in the repair and regeneration of periodontal tissues. Our study aimed to investigated the mechanisms underlying the promotion of hPLDCs osteogenic differentiation by baicalein. DESIGN: hPDLCs were obtained from periodontal ligament (PDL) tissues by primary culture. The MTT assay was used to determine the growth curves of hPDLCs treated with different concentrations of baicalein (1...
February 7, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28222374/diuron-causes-sinking-retardation-and-physiochemical-alteration-in-marine-diatoms-thalassiosira-pseudonana-and-skeletonema-marinoi-dohrnii-complex
#6
Mst Ruhina Margia Khanam, Yohei Shimasaki, Md Zahangir Hosain, Koki Mukai, Michito Tsuyama, Xuchun Qiu, Rumana Tasmin, Hiroshi Goto, Yuji Oshima
The present research investigated the effect of diuron on sinking rate and the physiochemical changes in two marine diatoms, Thalassiosira pseudonana (single-celled species) and Skeletonema marinoi-dohrnii complex (chain-forming species). The results revealed that the sinking rate of both diatoms exposed to diuron at a level of 50% effective concentration for growth (EC50) decreased significantly compared with the control. Photosynthetic performance (Fv/Fm and PIABS) of both diatoms also decreased significantly with diuron exposure...
February 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222255/stemness-signature-of-equine-marrow-derived-mesenchymal-stem-cells
#7
Morteza Zahedi, Abbas Parham, Hesam Dehghani, Hossein Kazemi Mehrjerdi
Background: Application of competent cells such as mesenchymal stem cells (MSCs) for treatment of musculoskeletal disorders in equine athletes is increasingly needed. Moreover, similarities of horse and human in size, load and types of joint injuries, make horse as a good model for MSCs therapy studies. This study was designed to isolate and characterize stemness signature of equine bone marrow-derived mesenchymal stem cells (BM-MSCs). Methods: BM of three mares was aspirated and the mononuclear cells (MNCs) were isolated using density gradient...
February 28, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28222245/translation-rewiring-at-the-heart-of-phenotype-switching-in-melanoma
#8
Eleonora Leucci, Pierre Close, Jean-Christophe Marine
During tumor progression cancer cells are constantly challenged by intrinsic oncogene-induced and extrinsic micro-environmental stress signals such as hypoxia, nutrient deprivation, oxidative and genotoxic stress. Under these suboptimal growth conditions cancer cells activate an Integrative Stress Response (ISR), which results in a transient decrease in energy consumption followed by a cellular adaptation phase and possibly recovery, if the environmental conditions become more favorable. Translation is a very high energy-consuming process; it is therefore not surprising that to minimize energy consumption cancer cells turn down global protein synthesis rates while reprograming translation towards specific transcripts required for survival and adaptation...
February 21, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28222218/reduced-inflammatory-responses-of-follicular-helper-t-cell-promote-the-development-of-regulatory-b-cells-after-roux-en-y-gastric-bypass
#9
Junfang Zhan, Liyu Huang, Haiyong Ma, Huan Chen, Yuan Yang, Sheng Tan, Wendy Song, Weiguo Zhao, Xiaojiang Dai
Bariatric surgery is currently the most effective strategy in treating severe obesity and its comorbidities, such as type 2 diabetes (T2D). However, the mechanism through which bariatric surgery mediates its benefits is not completely understood. Since obesity and T2D represent yet another inflammatory disease, and follicular helper T (Tfh) cells play important roles in inflammatory disorders, we investigated whether the Tfh activity was altered after Roux-en-Y gastric bypass (RYGB), one of the most common bariatric surgery procedures...
February 21, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28222166/correction-auranofin-inhibits-retinal-pigment-epithelium-cell-survival-through-reactive-oxygen-species-dependent-epidermal-growth-factor-receptor-mitogen-activated-protein-kinase-signaling-pathway
#10
Xiaodong Chen, Radouil Tzekov, Mingyang Su, Haiyan Hong, Wang Min, Aidong Han, Wensheng Li
[This corrects the article DOI: 10.1371/journal.pone.0166386.].
2017: PloS One
https://www.readbyqxmd.com/read/28222153/dissecting-nutrient-related-co-expression-networks-in-phosphate-starved-poplars
#11
Mareike Kavka, Andrea Polle
Phosphorus (P) is an essential plant nutrient, but its availability is often limited in soil. Here, we studied changes in the transcriptome and in nutrient element concentrations in leaves and roots of poplars (Populus × canescens) in response to P deficiency. P starvation resulted in decreased concentrations of S and major cations (K, Mg, Ca), in increased concentrations of N, Zn and Al, while C, Fe and Mn were only little affected. In roots and leaves >4,000 and >9,000 genes were differently expressed upon P starvation...
2017: PloS One
https://www.readbyqxmd.com/read/28222146/cytotoxic-effector-functions-of-t-cells-are-not-required-for-protective-immunity-against-fatal-rickettsia-typhi-infection-in-a-murine-model-of-infection-role-of-th1-and-th17-cytokines-in-protection-and-pathology
#12
Kristin Moderzynski, Liza Heine, Jessica Rauch, Stefanie Papp, Svenja Kuehl, Ulricke Richardt, Bernhard Fleischer, Anke Osterloh
Endemic typhus caused by Rickettsia (R.) typhi is an emerging febrile disease that can be fatal due to multiple organ pathology. Here we analyzed the requirements for protection against R. typhi by T cells in the CB17 SCID model of infection. BALB/c wild-type mice generate CD4+ TH1 and cytotoxic CD8+ T cells both of which are sporadically reactivated in persistent infection. Either adoptively transferred CD8+ or CD4+ T cells protected R. typhi-infected CB17 SCID mice from death and provided long-term control...
February 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28222105/stat3-cdc25a-dependent-cell-proliferation-promotes-embryonic-axis-extension-during-zebrafish-gastrulation
#13
Yinzi Liu, Diane S Sepich, Lilianna Solnica-Krezel
Cell proliferation has generally been considered dispensable for anteroposterior extension of embryonic axis during vertebrate gastrulation. Signal transducer and activator of transcription 3 (Stat3), a conserved controller of cell proliferation, survival and regeneration, is associated with human scoliosis, cancer and Hyper IgE Syndrome. Zebrafish Stat3 was proposed to govern convergence and extension gastrulation movements in part by promoting Wnt/Planar Cell Polarity (PCP) signaling, a conserved regulator of mediolaterally polarized cell behaviors...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28222099/morphological-study-of-tooth-development-in-podoplanin-deficient-mice
#14
Kenyo Takara, Naoki Maruo, Kyoko Oka, Chiaki Kaji, Yuji Hatakeyama, Naruhiko Sawa, Yukinari Kato, Junro Yamashita, Hiroshi Kojima, Yoshihiko Sawa
Podoplanin is a mucin-type highly O-glycosylated glycoprotein identified in several somatyic cells: podocytes, alveolar epithelial cells, lymphatic endothelial cells, lymph node stromal fibroblastic reticular cells, osteocytes, odontoblasts, mesothelial cells, glia cells, and others. It has been reported that podoplanin-RhoA interaction induces cytoskeleton relaxation and cell process stretching in fibroblastic cells and osteocytes, and that podoplanin plays a critical role in type I alveolar cell differentiation...
2017: PloS One
https://www.readbyqxmd.com/read/28222071/combination-of-the-histone-deacetylase-inhibitor-vorinostat-with-bevacizumab-in-patients-with-clear-cell-renal-cell-carcinoma-a-multicentre-single-arm-phase-i-ii-clinical-trial
#15
Roberto Pili, Glenn Liu, Sreenivasulu Chintala, Hendrick Verheul, Shabnam Rehman, Kristopher Attwood, Martin A Lodge, Richard Wahl, James I Martin, Kiersten Marie Miles, Silvia Paesante, Remi Adelaiye, Alejandro Godoy, Serina King, James Zwiebel, Michael A Carducci
BACKGROUND: Class II histone deacetylase (HDAC) inhibitors induce hypoxia-inducible factor-1 and -2α degradation and have antitumour effects in combination with vascular endothelial growth factor (VEGF) inhibitors. In this study, we tested the safety and efficacy of the HDAC inhibitor vorinostat and the VEGF blocker bevacizumab in metastatic clear-cell renal cell carcinoma (ccRCC) patients previously treated with different drugs including sunitinib, sorafenib, axitinib, interleukin-2, interferon, and temsirolimus...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28222044/endocrine-system-on-chip-for-a-diabetes-treatment-model
#16
Dao Thi Thuy Nguyen, Danny van Noort, In-Kyung Jeong, Sungsu Park
The endocrine system is a collection of glands producing hormones which, among others, regulates metabolism, growth and development. One important group of endocrine diseases is diabetes, which is caused by a deficiency or diminished effectiveness of endogenous insulin. By using a microfluidic perfused 3D cell-culture chip, we developed an 'endocrine system on chip' to potentially be able to screen drugs for the treatment of diabetes by measuring insulin release over time. Insulin-secreting β-cells are located in the pancreas, while L-cells, located in the small intestines, stimulate insulin secretion...
February 21, 2017: Biofabrication
https://www.readbyqxmd.com/read/28221986/induction-of-viable-but-nonculturable-salmonella-in-exponentially-grown-cells-by-exposure-to-a-low-humidity-environment-and-their-resuscitation-by-catalase
#17
Yuta Morishige, Atsushi Koike, Ai Tamura-Ueyama, Fumio Amano
Salmonella is a major cause of foodborne disease that sometimes occurs in massive outbreaks around the world. This pathogen is tolerant of low-humidity conditions. We previously described a method for induction of viable but nonculturable (VBNC) Salmonella enterica serovar Enteritidis by treatment with hydrogen peroxide (H2O2) and subsequent resuscitation with 0.3 mM sodium pyruvate. Here, we report a new method for the induction of the VBNC state in Salmonella Enteritidis cells, one involving dehydration. Exposure of Salmonella Enteritidis cells to dehydration stress under poor nutritional conditions (0...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221876/effect-of-magnesium-acetate-on-the-antimold-activity-of-lactobacillus
#18
Katarzyna Kycia, Anna Bzducha-Wróbel, Karolina Kraśniewska, Anna Chlebowska-Śmigiel, Małgorzata Gniewosz
The antimold activity of lactic acid bacteria (LAB) is used in food biopreservation. The aim of this study was to evaluate the effect of magnesium acetate added to de Man Rogosa Sharpe (MRS) medium on the antimold activity of three LAB strains ( Lactobacillus plantarum , Lactobacillus brevis , and Lactobacillus fermentum ) against molds contaminating food ( Aspergillus oryzae , Aspergillus niger , Penicillium chrysogenum , Fusarium avenaceum , and Rhizopus arrhizus ) and their ability to produce organic acids (acetic acid, lactic acid, and phenyllactic acid)...
January 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221867/osimertinib-in-pretreated-t790m-positive-advanced-non-small-cell-lung-cancer-aura-study-phase-ii-extension-component
#19
James Chih-Hsin Yang, Myung-Ju Ahn, Dong-Wan Kim, Suresh S Ramalingam, Lecia V Sequist, Wu-Chou Su, Sang-We Kim, Joo-Hang Kim, David Planchard, Enriqueta Felip, Fiona Blackhall, Daniel Haggstrom, Kiyotaka Yoh, Silvia Novello, Kathryn Gold, Tomonori Hirashima, Chia-Chi Lin, Helen Mann, Mireille Cantarini, Serban Ghiorghiu, Pasi A Jänne
Purpose Osimertinib is an irreversible epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) selective for both EGFR-TKI sensitizing ( EGFRm) and T790M resistance mutations. AURA (NCT01802632) is a phase I/II clinical trial to determine the dose, safety, and efficacy of osimertinib. This article reports the results from the phase II extension component. Patients and Methods Patients with EGFR-TKI-pretreated EGFRm- and T790M-positive advanced non-small-cell lung cancer (NSCLC) received once-daily osimertinib 80 mg...
February 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28221861/inhibiting-histone-deacetylase-as-a-means-to-reverse-resistance-to-angiogenesis-inhibitors-phase-i-study-of-abexinostat-plus-pazopanib-in-advanced-solid-tumor-malignancies
#20
Rahul Aggarwal, Scott Thomas, Nela Pawlowska, Imke Bartelink, Jennifer Grabowsky, Thierry Jahan, Amy Cripps, Armand Harb, Jim Leng, Anne Reinert, Ilaria Mastroserio, Thach-Giao Truong, Charles J Ryan, Pamela N Munster
Purpose This phase I trial evaluated epigenetic modulation of vascular endothelial growth factor (VEGF) and hypoxia-inducible factor by using a histone deacetylase abexinostat in combination with pazopanib to enhance response and reverse resistance. Patients and Methods Pazopanib was administered once a day on days 1 to 28 and abexinostat was administered orally twice a day on days 1 to 5, 8 to 12, and 15 to 19 (schedule A) or on days 1 to 4, 8 to 11, and 15 to 18 (schedule B). Dose escalation (3 + 3 design) in all solid tumors was followed by dose expansion in renal cell carcinoma (RCC)...
February 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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