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https://www.readbyqxmd.com/read/28542487/characterization-of-micrornas-expression-profiles-in-human-dental-derived-pluripotent-stem-cells
#1
Xiaobing Tan, Qingyuan Dai
Induced pluripotent stem cells (iPSCs) technology provides a powerful means to generate and regenerate unlimited pluripotent stem cells directly from body tissue cells. Stem cells from apical papilla (SCAP) and Dental pulp stem cells (DPSCs) are present in 'cell-rich zones' within the dental pulp region, which are capable of regenerating pulp and dentin tissues in vivo. In this study, we investigated the difference of miRNAs expression in SCAPs and DPSCs before and after the reprogramming. Using miRNA microarray, 134 and 265 differentially expressed miRNAs in DPSCs- and SCAP-iPSCs were up-regulated compared to these before reprogramming...
2017: PloS One
https://www.readbyqxmd.com/read/28539642/combinatory-evaluation-of-transcriptome-and-metabolome-profiles-of-low-temperature-induced-resistant-ascites-syndrome-in-broiler-chickens
#2
Shourong Shi, Yiru Shen, Shan Zhang, Zhenhua Zhao, Zhuocheng Hou, Huaijun Zhou, Jianmin Zou, Yuming Guo
To select metabolic biomarkers and differentially expressed genes (DEGs) associated with resistant-ascites syndrome (resistant-AS), we used innovative techniques such as metabolomics and transcriptomics to comparatively examine resistant-AS chickens and AS controls. Metabolomic evaluation of chicken serum using ultra-performance liquid chromatography-quadruple time-of-flight high-sensitivity mass spectrometry (UPLC-QTOF/HSMS) showed significantly altered lysoPC(18:1), PE(18:3/16:0), PC(20:1/18:3), DG(24:1/22:6/0:0), PS(18:2/18:0), PI(16:0/16:0), PS(18:0/18:1), PS(14:1/14:0), dihydroxyacetone, ursodeoxycholic acid, tryptophan, L-valine, cycloserine, hypoxanthine, and 4-O-Methylmelleolide concentrations on day 21 and LysoPC(18:0), LysoPE(20:1/0:0), LysoPC(16:0), LysoPE(16:0/0:0), hypoxanthine, dihydroxyacetone, 4-O-Methylmelleolide, LysoPC(18:2), and PC(14:1/22:1) concentrations on day 35, between the susceptible and resistant groups...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28536305/shaping-the-tumor-stroma-and-sparking-immune-activation-by-cd40-and-4-1bb-signaling-induced-by-an-armed-oncolytic-virus
#3
Emma Eriksson, Ioanna Milenova, Jessica Wenthe, Magnus Ståhle, Justyna Leja-Jarblad, Gustav Ullenhag, Anna Dimberg, Rafael Moreno, Ramon Alemany, Angelica Loskog
PURPOSE: Pancreatic cancer is a severe indication with short expected survival despite surgery and/or combination chemotherapeutics. Checkpoint blockade antibodies are approved for several cancer indications but pancreatic cancer has remained refractory. However, there are clinical data suggesting that stimulation of the CD40 pathway may be of interest for these patients. Oncolytic viruses armed with immunostimulatory genes represent an interesting approach. Herein we present LOAd703, a designed adenovirus armed with trimerized CD40L and 4-1BBL that activate the CD40 and 4-1BB pathways, respectively...
May 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28533545/treatment-effects-of-the-traditional-chinese-medicine-shenks-in-bleomycin-induced-lung-fibrosis-through-regulation-of-tgf-beta-smad3-signaling-and-oxidative-stress
#4
Haiyan Chu, Ying Shi, Shuai Jiang, Qicheng Zhong, Yongqiang Zhao, Qingmei Liu, Yanyun Ma, Xiangguang Shi, Weifeng Ding, Xiaodong Zhou, Jimin Cui, Li Jin, Gang Guo, Jiucun Wang
Pulmonary fibrosis is a kind of devastating interstitial lung disease due to the limited therapeutic strategies. Traditional Chinese medicine (TCM) practices have put forth Shenks as a promising treatment approach. Here, we performed in vivo study and in vitro study to delineate the anti-fibrotic mechanisms behind Shenks treatment for pulmonary fibrosis. We found that regardless of the prophylactic or therapeutic treatment, Shenks was able to attenuate BLM-induced-fibrosis in mice, down regulate extracellular matrix genes expression, and reduce collagen production...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28529481/topical-ophthalmic-formulation-of-trichostatin-a-and-surr9-c84a-for-quick-recovery-post-alkali-burn-of-corneal-haze
#5
Kislay Roy, Chun Hei Antonio Cheung, Rupinder K Kanwar, Rajat Sandhir, Jagat R Kanwar
Alkali burn injury is a true ocular emergency of the conjunctiva and cornea that requires immediate precision. Lack of an immediate therapy can lead to a substantial damage in the ocular surface and anterior segment further causing visual impairment and disfigurement. We explored the regenerative capability of dominant negative survivin protein (SurR9-C84A) and histone deacetylase inhibitor trichostatin-A (TSA) in vivo, in a rat alkali burn model. A topical insult in rat eyes with NaOH led to degradation of the conjunctival and corneal epithelium...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28525372/overexpression-of-a-novel-candidate-oncogene-kif14-correlates-with-tumor-progression-and-poor-prognosis-in-prostate-cancer
#6
Yixiang Zhang, Yeqing Yuan, Pei Liang, Zhaoxia Zhang, Xiaojing Guo, Ligang Xia, Yingying Zhao, Xing-Sheng Shu, Shengkun Sun, Ying Ying, Yingduan Cheng
Prostate cancer (PCa) is the second leading cause of death from cancer in men. The mechanism underlying tumorigenesis and development of PCa is largely unknown. Here, we identified Kinesin family member 14 (KIF14) as a novel candidate oncogene in PCa. We found that KIF14 was overexpressed in multiple PCa cell lines and primary PCa tissues. Knockdown of KIF14 in DU145 and PC3 prostate cancer cells suppressed cell proliferation, induced cell cycle arrest and apoptosis. Transcriptome analysis by RNA-sequencing demonstrated that KIF4 suppression led to transcriptional changes of genes involved in p53 and TGF-beta signaling pathway...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508471/needleless-emulsion-electrospinning-for-the-regulated-delivery-of-susceptible-proteins
#7
Matej Buzgo, Eva Filova, Andrea Mickova Staffa, Michala Rampichova, Miroslav Doupnik, Karolina Vocetkova, Vera Lukasova, Radka Kolcun, David Lukas, Alois Necas, Evzen Amler
In the present work, we developed a novel needleless emulsion electrospinning technique which improves the production rate of the core/shell production process. The nanofibers are based on PCL as a continuous phase combined with a droplet phase based on Pluronic F-68 (PF-68). The PCL-PF-68 nanofibers show a time-regulated release of active molecules. Needleless emulsion electrospinning was used to encapsulate diverse set of compounds to the core phase (i.e. 5-DTAF-PF68, horseradish peroxidase (HRP), TRITC-dextran, insulin growth factor I (IGF-I), transforming growth factor beta (TGF-beta) and basic fibroblast growth factor (bFGF))...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28507001/p38-mapk-as-an-essential-regulator-of-dorsal-ventral-axis-specification-and-skeletogenesis-during-sea-urchin-development-a-re-evaluation
#8
Maria Dolores Molina, Magali Quirin, Emmanuel Haillot, Felipe Jimenez, Aline Chessel, Thierry Lepage
Dorsal-ventral axis formation in the sea urchin embryo relies on the asymmetrical expression of the TGF-beta Nodal. The p38-MAPK pathway has been proposed to be essential for dorsal-ventral axis formation by acting upstream of nodal expression. Herein, we report that, in contrast to previous studies that used pharmacological inhibitors of p38, manipulating the activity of p38 by genetic means has no obvious impact on morphogenesis. Instead, we discovered that p38 inhibitors strongly disrupt specification of all germ layers by blocking signalling from the Nodal receptor and by interfering with the ERK pathway...
May 15, 2017: Development
https://www.readbyqxmd.com/read/28486014/tissue-tgf-%C3%AE-expression-following-conventional-radiotherapy-and-pulsed-low-dose-rate-radiation
#9
Joshua E Meyer, Niklas K Finnberg, Lili Chen, Dusica Cvetkovic, Bin Wang, Lanlan Zhou, Yanqun Dong, Mark A Hallman, Chang-Ming C Ma, Wafik S El-Deiry
The release of inflammatory cytokines has been implicated in the toxicity of conventional radiotherapy (CRT). Transforming growth factor β (TGF-β) has been suggested to be a risk marker for pulmonary toxicity following radiotherapy. Pulsed low-dose rate radiotherapy (PLDR) is a technique that involves spreading out a conventional radiotherapy dose into short pulses of dose with breaks in between to reduce toxicities. We hypothesized that the more tolerable toxicity profile of PLDR compared with CRT may be related to differential expression of inflammatory cytokines such as TGF-β in normal tissues...
May 9, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28474060/-changes-of-tgf-%C3%AE-1-expression-during-orthodontic-tooth-movement-in-rats-with-osteoporosis
#10
Ming-He Li, Yang Wang, Nan-Nan Liao, Jin-Yuan Li, Qing Dong
PURPOSES: To observe the expression and distribution of TGF-β1 in periodontal tissue under intervention of Strontium ranelate and Qianggu capsule during orthodontic tooth movement in rats, and explore the efficacy of the 2 drugs. METHODS: Seventy male SD rats of 3 months old were selected in the study, and randomly divided into control group, model control group, Strontium ranelate group, Qianggu capsule group, each group had 15 animals. Retinoic acid was given by gavage to animals in the control group, Strontium ranelate group, Qianggu capsule group for 2 weeks, and bone density was detected to determine successful establishment of osteoporosis model...
February 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28472080/transcriptome-analysis-of-muskrat-scented-glands-degeneration-mechanism
#11
Yimeng Li, Tianxiang Zhang, Juntong Zhou, Shuang Yang, Mengyuan Fan, Xiaoning Sun, Meishan Zhang, Shanghua Xu, Muha Cha, Xiaolong Hu, Lei Qi, Shaobi Lin, Shuqiang Liu, Defu Hu
The scented gland, a musk-secreting organ of male muskrats, shows clear seasonal changes. When entering the secreting season in March, scented glands gradually increase in size and active secretion starts. In September, scented glands become gradually smaller and secretion decreases. By November, scented glands are gradually replaced by adipose tissue. In this study, six healthy adult male muskrats were analysed: three from the secreting season (March) and three from the non-secreting season (November). Using RNA-Seq analysis, gene expression profiles of scented glands from both seasons were determined...
2017: PloS One
https://www.readbyqxmd.com/read/28468507/the-reduction-in-inflammation-and-impairment-in-wound-healing-by-using-strontium-chloride-hexahydrate
#12
Sibel Berksoy Hayta, Kasım Durmuş, Emine Elif Altuntaş, Esin Yıldız, Mehmet Hisarcıklıo, Melih Akyol
BACKGROUND: Numerous growth factors, cytokine, mitogen, and chemotactic factors are involved in wound healing. Even though inflammation is important for stimulation of proliferative phase, excessive inflammation also causes impairment in wound healing. Strontium salts suppress keratinocyte-induced TNF-alpha and interleukin 1 and 6 in in-vitro cultures. This study was conducted to determine the effects of administration of topical strontium chloride hexahydrate on wound healing through TNF-alpha and TGF-beta in surgical wound healing model of in-vivo rat skin...
May 3, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28467108/gremlin1-accelerates-hepatic-stellate-cell-activation-through-upregulation-of-tgf-beta-expression
#13
Yan-Qiong Zhang, Lin-Yan Wan, Xiao-Min He, Yi-Ran Ni, Chang Wang, Chang-Bai Liu, Jiang-Feng Wu
Gremlin1, the antagonist of bone morphogenetic protein-7 and one of the target genes of transforming growth factor (TGF)-β signal pathway, plays an important role in embryonic development and its expression decreases along with aging. To explore the expression of gremlin1 in liver fibrosis and the causal link between gremlin1 and hepatic stellate cell (HSC) activation, we detected the expression of gremlin1 in mice with hepatic fibrosis induced by porcine serum using real time quantitative PCR (RT-qPCR) and immunohistochemical staining...
May 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28466233/age-related-expression-of-tgf-beta-family-receptors-in-human-cumulus-oophorus-cells
#14
A Ribeiro, C Freitas, L Matos, A Gouveia, F Gomes, J L Silva Carvalho, H Almeida
PURPOSE: During ovarian follicle growth, local cellular interactions are essential for oocyte quality acquisition and successful fertilization. While cumulus cells (CCs) nurture oocytes, they also deliver oocyte-secreted factors (OSFs) that activate receptors on CCs. We hypothesized that disturbance of those interactions contributes to age-related lower reproductive success in women submitted to assisted reproductive technology treatments. METHODS: Women aged 27-48, without recognized personal reproductive disorder, were enrolled in the study and divided in <35- and ≥35-year-old groups...
May 2, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28466138/a-translational-approach-from-an-animal-model-identifies-cd80-as-a-candidate-gene-for-the-study-of-bone-phenotypes-in-postmenopausal-women
#15
L Panach, E Serna, J J Tarín, A Cano, M Á García-Pérez
This study represented a translational study that first compared gene expression of B cells of BM from ovariectomized and control mice, and then analyzed some of the differentially expressed genes in women. Results showed novel genetic associations with bone phenotypes and points to the CD80 gene as relevant in postmenopausal bone loss. INTRODUCTION: Osteoporosis is a multifactorial disease with a strong genetic component. However, to date, research into osteoporosis has only been able to explain a small part of its heritability...
May 2, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28464518/6q25-1-tab2-microdeletion-syndrome-congenital-heart-defects-and-cardiomyopathy
#16
Andrew Cheng, Mary Beth P Dinulos, Whitney Neufeld-Kaiser, Jill Rosenfeld, McKenna Kyriss, Suneeta Madan-Khetarpal, Hiba Risheg, Peter H Byers, Yajuan J Liu
Congenital heart defects (CHD) are the most frequent type of congenital anomaly and are often associated with genetic and chromosomal syndromes. Haploinsufficiency of TAB2 (TGF-beta activated kinase 1/MAP3K7 binding protein 2) has been proposed to cause valvular and cardiac outflow tract structural abnormalities. In this study, we describe 13 newly identified individuals with microdeletions of chromosome 6q25.1 that involve TAB2. One of the patients in our study cohort has the smallest deletion yet reported, affecting only TAB2...
May 2, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28452702/effect-of-doxycycline-on-epithelial-mesenchymal-transition-via-the-p38-smad-pathway-in-respiratory-epithelial-cells
#17
Jae-Min Shin, Ju-Hyung Kang, Seoung-Ae Lee, Il-Ho Park, Heung-Man Lee
PURPOSE: Doxycycline has antibacterial and anti-inflammatory effects, and it also suppresses collagen biosynthesis. This study aimed to confirm the effects and mechanism of doxycycline on transforming growth factor (TGF) beta 1 induced epithelial-mesenchymal transition and cell migration in A549 and primary nasal epithelial cells. METHODS: A 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyl-tetrazolium bromide assay and phalloidin-fluorescein isothiocyanate staining were used to evaluate cytotoxicity and cellular morphologic changes...
March 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28438834/rankl-cytokine-enhances-tnf-induced-osteoclastogenesis-independently-of-tnf-receptor-associated-factor-traf-6-by-degrading-traf3-in-osteoclast-precursors
#18
Zhenqiang Yao, Wei Lei, Rong Duan, Yanyun Li, Lu Luo, Brendan F Boyce
Cytokines, including receptor activator of nuclear factor kappa B ligand (RANKL) and TNF, induce increased osteoclast (OC) formation and bone loss in postmenopausal osteoporosis and inflammatory arthritides. RANKL and TNF can independently induce OC formation in vitro from WT OC precursors via TNF receptor-associated factor (TRAF) adaptor proteins, which bind to their receptors. Of these, only TRAF6 is required for RANKL-induced osteoclastogenesis in vitro. However, the molecular mechanisms involved remain incompletely understood...
April 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28425257/role-of-hygienic-factors-in-the-etiology-of-allergic-disorders-in-children
#19
Şule Yeşil, Ahmet Kan, Olkar Abdulmajed, Arzu Bakirtaş, Nedim Sultan, Sadık M Demirsoy
BACKGROUND/AIM: We investigated the role of body flora and chronic inflammatory infections in the etiology of allergic disorders in Turkish children. MATERIALS AND METHODS: Forty pediatric asthma patients with positive skin prick tests and 40 age-matched healthy subjects with negative skin prick tests were enrolled in this cross-sectional study. Serum H. pylori IgG, viral hepatitis serology, IL-10, and TGF-beta levels were measured. Stool and throat cultures were taken and tested for occurrence of microorganisms...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28424263/the-kielin-chordin-like-protein-kcp-attenuates-high-fat-diet-induced-obesity-and-metabolic-syndrome-in-mice
#20
Abdul Soofi, Katherine I Wolf, Margo P Emont, Nathan Qi, Gabriel Martinez-Santibanez, Edward Grimley, Wesam Ostwani, Gregory R Dressler
Obesity and its associated complications, such as insulin resistance and non-alcoholic fatty liver disease, are reaching epidemic proportions. In mice, the TGF-beta superfamily is implicated in the regulation of white and brown adipose tissue differentiation. The Kielin/chordin-like Protein (KCP) is a secreted regulator of the TGF-beta superfamily pathways that can inhibit both TGF-beta and activin signals while enhancing bone morphogenetic protein (BMP) signaling. However, KCP's effects on metabolism and obesity have not been studied in animal models...
April 19, 2017: Journal of Biological Chemistry
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