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https://www.readbyqxmd.com/read/28443456/calls-for-improvement-in-quality-of-hospital-food
#1
Chris Longhurst
A slug in a sandwich, a stone in a cottage pie and a Muslim patient being offered pork were among the hundreds of complaints made about NHS hospital food last year, Nursing Standard can reveal.
April 26, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28440207/epithelial-mesenchymal-transition-in-cancer-progression-preventive-phytochemicals
#2
Soorya Parathodi Illam, Arunaksharan Narayanankutty, Shaji Edappilly Mathew, Remya Valsalakumari, Rosemol M Jacob, Achuthan Chathrattil Raghavamenon
BACKGROUND: Epithelial-Mesenchymal Transition (EMT) is the conversion of epithelial cells into mesenchymal phenotype generally observed during embryogenesis and wound healing as well as in malignant transformation. Several signaling pathways and transcription factors associated with EMT have been explored. Dietary phytochemicals are multi-targeted agents that interfere with these pathways, assume preventive potential against pathologic EMT. OBJECTIVE: Present review aims to provide a detailed description on the nature, characteristics of EMT in physiological and pathophysiological conditions and the scope of phytochemicals in its prevention...
April 24, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28434939/calreticulin-is-required-for-tgf-%C3%AE-induced-epithelial-to-mesenchymal-transition-during-cardiogenesis-in-mouse-embryonic-stem-cells
#3
Fereshteh Karimzadeh, Michal Opas
Calreticulin, a multifunctional endoplasmic reticulum resident protein, is required for TGF-β-induced epithelial-to-mesenchymal transition (EMT) and subsequent cardiomyogenesis. Using embryoid bodies (EBs) derived from calreticulin-null and wild-type (WT) embryonic stem cells (ESCs), we show that expression of EMT and cardiac differentiation markers is induced during differentiation of WT EBs. This induction is inhibited in the absence of calreticulin and can be mimicked by inhibiting TGF-β signaling in WT cells...
April 13, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28434000/apolipoprotein-a1-inhibits-the-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-of-human-coronary-artery-endothelial-cells
#4
Juling Feng, Jingjing Zhang, Ampadu O Jackson, Xiao Zhu, Hainan Chen, Wen Chen, Qingjun Gui, Kai Yin
OBJECTIVE: Transforming growth factor β1 (TGF-β1) is the major cytokine for stimulating endothelial cells (ECs) to transdifferentiate to mesenchymal cells (MCs) in the process known as endothelial-to-mesenchymal transition (EndMT). Recently, TGF-β1-induced EndMT has been implicated in the pathogenesis of atherosclerosis (AS). It has been identified that apolipoprotein A1 (ApoA-I) obstructs TGF-β1-induced endothelial dysfunction, providing a protective effect for ECs and also anti-AS activity...
April 22, 2017: Cardiology
https://www.readbyqxmd.com/read/28433158/characterization-of-a-sulfated-galactoglucan-from-antrodia-cinnamomea-and-its-anticancer-mechanism-via-tgf%C3%AE-fak-slug-axis-suppression
#5
Mei-Kuang Lu, Tung-Yi Lin, Chun-Hao Hu, Chi-Hsein Chao, Chia-Chuan Chang, Hsien-Yeh Hsu
A sulfated 1,4-β-d-galactoglucan (B86-III) with 1,6-branches was isolated and identified from Antrodia cinnamomea. The repeating unit of B86-III was proposed based on one-dimensional 1D ((1)H, (13)C and DEPT-135) and 2D (DQF-COSY, TOCSY, HSQC and HMBC) NMR spectra. The conformation of the sugars was hypothesized to be a rare boat form instead of a (4)C1 chair form. The sulfate substitutions were suggested to be on the C-2 and C-3 positions, resulting in the following structure: B86-III inhibited the viability of H1975 lung cancer cells via cell apoptosis, including the activation of caspase 3 and PARP...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28431931/peroxiredoxin-5-promotes-the-epithelial-mesenchymal-transition-in-colon-cancer
#6
Hye-Mi Ahn, Jin-Woo Yoo, Seunghoon Lee, Hong Jun Lee, Hyun-Shik Lee, Dong-Seok Lee
Globally, colorectal cancer (CRC) is common cause of cancer-related deaths. The high mortality rate of patients with colon cancer is due to cancer cell invasion and metastasis. Initiation of the epithelial-to-mesenchymal transition (EMT) is essential for the tumorigenesis. Peroxiredoinxs (PRX1-6) have been reported to be overexpressed in various tumor tissues, and involved to be responsible for tumor progression. However, the exact role of PRX5 in colon cancer remains to be investigated enhancing proliferation and promoting EMT properties...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28423483/microrna-34a-targets-epithelial-to-mesenchymal-transition-inducing-transcription-factors-emt-tfs-and-inhibits-breast-cancer-cell-migration-and-invasion
#7
Saber Imani, Chunli Wei, Jingliang Cheng, Md Asaduzzaman Khan, Shangyi Fu, Luquan Yang, Mousumi Tania, Xianqin Zhang, Xiuli Xiao, Xianning Zhang, Junjiang Fu
MicroRNA-34a (miR-34a) plays an essential role against tumorigenesis and progression of cancer metastasis. Here, we analyzed the expression, targets and functional effects of miR-34a on epithelial to mesenchymal transition-inducing transcription factors (EMT-TFs), such as TWIST1, SLUG and ZEB1/2, and an EMT-inducing protein NOTCH1 in breast cancer (BC) cell migration and invasion and its correlation with tumorigenesis and clinical outcomes. Expression of miR-34a is downregulated in human metastatic breast cancers (MBC) compared to normal breast tissues and is negatively correlated with clinicopathological features of MBC patients...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422986/a-critical-like-collective-state-leads-to-long-range-cell-communication-in-dictyostelium-discoideum-aggregation
#8
Giovanna De Palo, Darvin Yi, Robert G Endres
The transition from single-cell to multicellular behavior is important in early development but rarely studied. The starvation-induced aggregation of the social amoeba Dictyostelium discoideum into a multicellular slug is known to result from single-cell chemotaxis towards emitted pulses of cyclic adenosine monophosphate (cAMP). However, how exactly do transient, short-range chemical gradients lead to coherent collective movement at a macroscopic scale? Here, we developed a multiscale model verified by quantitative microscopy to describe behaviors ranging widely from chemotaxis and excitability of individual cells to aggregation of thousands of cells...
April 2017: PLoS Biology
https://www.readbyqxmd.com/read/28415643/new-transcriptional-based-insights-into-the-pathogenesis-of-desmoplastic-small-round-cell-tumors-dsrcts
#9
Tiziana Negri, Silvia Brich, Fabio Bozzi, Chiara V Volpi, Ambra V Gualeni, Silvia Stacchiotti, Loris De Cecco, Silvana Canevari, Annunziata Gloghini, Silvana Pilotti
To gain new insights into desmoplastic small round cell tumors (DSRCTs) by means of gene expression profiling (GEP). Formalin-fixed, paraffin-embedded surgical specimens obtained from seven pretreated DSRCT patients were interrogated using GEP complemented by immunohistochemistry, a cancer stem cell array, and miRNA in situ hybridisation, including the combined chimera modules miRNA-200/ZEB1 and miRNA-34/SLUG. The chimera modules divided the cases into three classes that respectively recapitulated the traits of mesenchymal epithelial reverse transition (MErT), epithelial mesenchymal transition (EMT), and hybrid/partial EMT...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410212/hypoxia-induced-plod2-promotes-proliferation-migration-and-invasion-via-pi3k-akt-signaling-in-glioma
#10
Ye Song, Shihao Zheng, Jizhou Wang, Hao Long, Luxiong Fang, Gang Wang, Zhiyong Li, Tianshi Que, Yi Liu, Yilei Li, Xi'an Zhang, Weiyi Fang, Songtao Qi
Gliomas are the most common form of malignant primary brain tumors with poor 5-year survival rate. Dysregulation of procollagen-lysine, 2-oxoglutarate 5-dioxygenase 2 (PLOD2) was observed in gliomas, but the specific role and molecular mechanism of PLOD2 in glioma have not been reported yet. In this study, PLOD2 was found to be frequently up-regulated in glioma and could serve as an independent prognostic marker to identify patients with poor clinical outcome. Knockdown of PLOD2 inhibited proliferation, migration and invasion of glioma cells in vitro and in vivo...
March 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28409227/evolutionary-responses-to-climate-change-in-a-range-expanding-plant
#11
Mirka Macel, Tomáš Dostálek, Sonja Esch, Anna Bucharová, Nicole M van Dam, Katja Tielbörger, Koen J F Verhoeven, Zuzana Münzbergová
To understand the biological effects of climate change, it is essential to take into account species' evolutionary responses to their changing environments. Ongoing climate change is resulting in species shifting their geographical distribution ranges poleward. We tested whether a successful range expanding plant has rapidly adapted to the regional conditions in its novel range, and whether adaptation could be driven by herbivores. Furthermore, we investigated if enemy release occurred in the newly colonized areas and whether plant origins differed in herbivore resistance...
April 13, 2017: Oecologia
https://www.readbyqxmd.com/read/28405684/sphk1-modulates-cell-migration-and-emt-related-marker-expression-by-regulating-the-expression-of-p-fak-in-colorectal-cancer-cells
#12
Chun-Yan Xu, Shi-Quan Liu, Meng-Bin Qin, Chun-Feng Zhuge, Lin Qin, Nan Qin, Ming-Yu Lai, Jie-An Huang
Sphingosine kinase 1 (SphK1) plays an important role in colorectal carcinoma metastasis. However, whether SphK1 modulates epithelial-mesenchymal transition (EMT)-related marker expression and the underlying mechanisms remain unclear. In this study, in order to clarify this issue, we used various colorectal cancer (CRC) cell lines, Caco2, HT29, RKO and HCT116. Each of the cell lines was divided into 3 groups as follows: the control group, SKI-Ⅱ (SphK1 inhibitor) group and PF-562271 [focal adhesion kinase (FAK) inhibitor] group...
May 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28401486/dual-treatment-with-shikonin-and-temozolomide-reduces-glioblastoma-tumor-growth-migration-and-glial-to-mesenchymal-transition
#13
Diana Matias, Joana Balça-Silva, Luiz Gustavo Dubois, Bruno Pontes, Valéria Pereira Ferrer, Luciane Rosário, Anália do Carmo, Juliana Echevarria-Lima, Ana Bela Sarmento-Ribeiro, Maria Celeste Lopes, Vivaldo Moura-Neto
PURPOSE: Glioblastomas (GBM) comprise 17% of all primary brain tumors. These tumors are extremely aggressive due to their infiltrative capacity and chemoresistance, with glial-to-mesenchymal transition (GMT) proteins playing a prominent role in tumor invasion. One compound that has recently been used to reduce the expression of these proteins is shikonin (SHK), a naphthoquinone with anti-tumor properties. Temozolomide (TMZ), the most commonly used chemotherapeutic agent in GBM treatment, has so far not been studied in combination with SHK...
April 11, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28401001/cordycepin-induces-human-lung-cancer-cell-apoptosis-by-inhibiting-nitric-oxide-mediated-erk-slug-signaling-pathway
#14
Jung Hoo Hwang, Soo Jung Park, Won Gyu Ko, Seong-Mun Kang, Da Bin Lee, Junho Bang, Byung-Joo Park, Chung-Beum Wee, Dae Joon Kim, Ik-Soon Jang, Jae-Hong Ko
Nitric oxide (NO) is an important signaling molecule and a component of the inflammatory cascade. Besides, it is also involved in tumorigenesis. Aberrant upregulation and activation of the ERK cascade by NO often leads to tumor cell development. However, the role of ERK inactivation induced by the negative regulation of NO during apoptosis is not completely understood. In this study, treatment of A549 and PC9 human lung adenocarcinoma cell lines with cordycepin led to a reduction in their viability. Analysis of the effect of cordycepin treatment on ERK/Slug signaling activity in the A549 cell line revealed that LPS-induced inflammatory microenvironments could stimulate the expression of TNF-α, CCL5, IL-1β, IL-6, IL-8 and upregulate NO, phospho-ERK (p-ERK), and Slug expression...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28386362/b7-h3-regulates-migration-and-invasion-in-salivary-gland-adenoid-cystic-carcinoma-via-the-jak2-stat3-signaling-pathway
#15
Teng-Fei Fan, Wei-Wei Deng, Lin-Lin Bu, Tian-Fu Wu, Wen-Feng Zhang, Zhi-Jun Sun
B7 Homolog 3 (B7-H3), a newly identified member of the B7 family, is over-expressed in various human cancers and plays a vital role in tumor progression. To identify the expression pattern of B7-H3 in human salivary adenoid cystic carcinoma (AdCC) and its underlying mechanisms, we characterized B7-H3 expression in AdCC tissue microarrays using immunohistochemical staining, and analyzed potentially associated molecules. The results showed that B7-H3 was highly expressed in salivary AdCC, compared with normal salivary glands...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28386341/hoxb9-promotes-the-migration-and-invasion-via-tgf-%C3%AE-1-smad2-slug-signaling-pathway-in-oral-squamous-cell-carcinoma
#16
Mei Xue, Fei-Ya Zhu, Lin Chen, Kai Wang
HoxB9, as a HOX family member, is known to play important roles in embryonic development. Recent studies have shown that HoxB9 is involved in cancer progression. However, little is known about the role of HoxB9 and the underlying mechanisms that suppress oral squamous cell carcinoma (OSCC) progression. In the present study, we used immunohistochemical staining to demonstrate that HoxB9 is over-expressed in OSCC cells and found that high levels of HoxB9 were significantly associated with shorter overall survival in patients with OSCC...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28386330/geniposide-inhibited-endothelial-mesenchymal-transition-via-the-mtor-signaling-pathway-in-a-bleomycin-induced-scleroderma-mouse-model
#17
Qing Qi, Yueping Mao, Yongzhen Tian, Ke Zhu, Xushan Cha, Minghua Wu, Xiaodong Zhou
AIM: Geniposide is an iridoid glycoside isolated from the gardenia plant. It has multiple biological activities. The roles of geniposide in systemic sclerosis (SSc) and in endothelial-to-mesenchymal transition (EndMT) are unclear. We investigated the protective effects of geniposide in a bleomycin-induced SSc mouse model, and its potential mechanisms. METHODS: The effects of geniposide were evaluated as follows: (1) histological and immunochemical changes in mouse skin tissue; (2) changes in cellular morphology of human umbilical vein endothelial cells (HUVECs); (3) expression of endothelial cell biomarkers (E-Cadherin, CD31, and CD34), mesenchymal cell markers (FSP1, Collagen, and α-SMA), and key factors of EndMT (Slug, Snail, and Twist) using real time PCR, Western blot, and immunofluorescence; (4) tube formation in HUVECs; (5) mTOR signaling pathway transcription factors using Western blot analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28380418/expression-of-emt-markers-and-mode-of-surgery-are-prognostic-in-phyllodes-tumors-of-the-breast
#18
Xiaolong Feng, Lin Zhao, Honghong Shen, Xiaozhen Liu, Yang Yang, Shuhua Lv, Yun Niu
Phyllodes tumors of the breast are rare neoplasms that account for <1% of all mammary tumors and 2-3% of fibro-epithelial neoplasms of the breast. We evaluated the clinicopathological characteristics of a cohort of 246 Chinese patients in relation to the expression of epithelial-to-mesenchymal (EMT) markers in benign, borderline and malignant tumors and the prognostic value of different surgical regimens. We observed that survival outcomes correlated with the mode of surgical management in the three patient groups...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28379900/baicalin-inhibits-human-osteosarcoma-cells-invasion-metastasis-and-anoikis-resistance-by-suppressing-the-transforming-growth-factor-%C3%AE-1-induced-epithelial-to-mesenchymal-transition
#19
Yanmao Wang, Huimin Wang, Runhua Zhou, Wanrun Zhong, Shengdi Lu, Zhongliang Ma, Yimin Chai
The epithelial-mesenchymal transition (EMT) plays an important role in inducing cancer metastasis. Baicalin, a flavone derivative isolated from Scutellaria spp., shows a series of pharmacological and physiological activities. However, the possible role of baicalin in the EMT is unclear. In this study, we attempted to investigate the potential use of baicalin as an inhibitor of transforming growth factor-β1 (TGF-β1)-induced EMT in U2OS cells. We found that TGF-β1 induced the EMT to promote U2OS cells migration, invasion, and anoikis resistance...
April 4, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28371195/intratumoral-bidirectional-transitions-between-epithelial-and-mesenchymal-cells-in-triple-negative-breast-cancer
#20
Mizuki Yamamoto, Kota Sakane, Kana Tominaga, Noriko Gotoh, Takayoshi Niwa, Yasuko Kikuchi, Keiichiro Tada, Naoki Goshima, Kentaro Semba, Jun-Ichiro Inoue
Epithelial-mesenchymal transition (EMT) and its reverse process, MET, are crucial in several stages of cancer metastasis. EMT allows cancer cells to move to proximal blood vessels for intravasation. However, because EMT and MET processes are dynamic, mesenchymal cancer cells are likely to undergo MET transiently and subsequently re-undergo EMT to restart the metastatic process. Therefore, spatiotemporally-coordinated mutual regulation between EMT and MET could occur during metastasis. To elucidate such regulation, we chose HCC38, a human triple-negative breast cancer cell line, because HCC38 is composed of epithelial and mesenchymal populations at a fixed ratio even though mesenchymal cells proliferate significantly more slowly than epithelial cells...
April 1, 2017: Cancer Science
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