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https://www.readbyqxmd.com/read/28647190/matrine-inhibits-bladder-cancer-cell-growth-and-invasion-in%C3%A2-vitro-through-pi3k-akt-signaling-pathway-an-experimental-study
#1
Yu Yang, Jia-Xiang Guo, Zhi-Qiang Shao, Jiang-Ping Gao
OBJECTIVE: To study the inhibitory effect of matrine on bladder cancer cell growth and invasion in vitro through PI3K/AKT signaling pathway. METHODS: Human T24 bladder cancer cell lines were cultured and treated with different doses of matrine (0.25 mg/mL, 0.5 mg/mL and 1.0 mg/mL) as well as 20 μmol/L PI3K inhibitor LY294002 for 24 h, and the cell proliferation activity, the number of invasive cells as well as the expression of p-PI3K, p-AKT, proliferation genes and invasion genes were determined...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28645189/the-potential-role-of-retinoic-acid-receptor-%C3%AE-on-glomerulosclerosis-in-rats-and-podocytes-injury-is-associated-with-the-induction-of-mmp2-and-mmp9
#2
Xiuping Chen, Yuanhan Qin, Tianbiao Zhou, Ling Jiang, Fengying Lei, He Qin, Lei Zhang, Zhiqiang Zhou
Retinoic acid receptor α (RARα) plays a crucial role in kidney disease. However, the underlying mechanisms in glomerulosclerosis (GS) is still not clear. The roles of RARα in an adriamycin (ADR)-induced GS rat model and in ADR-induced podocyte injury in vitro were investigated. RARα was over-expressed in GS rats, and serum, urine and kidney samples were collected to detect the induction of the expression of the receptor. RARα expression was inhibited and/or over-expressed in cultured podocytes following injury, as demonstrated by morphometric assays, cell toxicity, and matrix metalloproteinase (MMP) enzymatic activity...
June 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28642874/combination-treatment-with-ppar%C3%AE-ligand-and-its-specific-inhibitor-gw9662-downregulates-bis-and-14-3-3-gamma-inhibiting-stem-like-properties-in-glioblastoma-cells
#3
Chang-Nim Im
PPARγ is a nuclear receptor that regulates differentiation and proliferation and is highly expressed in many cancer cells. Its synthetic ligands, such as rosiglitazone and ciglitazone, and its inhibitor GW9662, were shown to induce cellular differentiation, inhibit proliferation, and lead to apoptosis. Glioblastoma is a common brain tumor with poor survival prospects. Recently, glioblastoma stem cells (GSCs) have been examined as a potential target for anticancer therapy; however, little is known about the combined effect of various agents on GSCs...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28642362/regulation-of-rhoa-by-stat3-coordinates-glial-scar-formation
#4
Francois Renault-Mihara, Masahiko Mukaino, Munehisa Shinozaki, Hiromi Kumamaru, Satoshi Kawase, Matthieu Baudoux, Toshiki Ishibashi, Soya Kawabata, Yuichiro Nishiyama, Keiko Sugai, Kaori Yasutake, Seiji Okada, Masaya Nakamura, Hideyuki Okano
Understanding how the transcription factor signal transducer and activator of transcription-3 (STAT3) controls glial scar formation may have important clinical implications. We show that astrocytic STAT3 is associated with greater amounts of secreted MMP2, a crucial protease in scar formation. Moreover, we report that STAT3 inhibits the small GTPase RhoA and thereby controls actomyosin tonus, adhesion turnover, and migration of reactive astrocytes, as well as corralling of leukocytes in vitro. The inhibition of RhoA by STAT3 involves ezrin, the phosphorylation of which is reduced in STAT3-CKO astrocytes...
June 22, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28641616/-effect-of-lpxn-overexpression-on-the-proliferation-adhesion-and-invasion-of-thp-1-cells-and-its-mechamisms
#5
Hai-Ping Dai, Guo-Hua Zhu, Li-Li Wu, Qian Wang, Hong Yao, Qin-Rong Wang, Li-Jun Wen, Hui-Ying Qiu, Qun Shen, Su-Ning Chen, De-Pei Wu
OBJECTIVE: To explore the effect of LPXN overexpression on the proliferation, adhesion and invasion of THP-1 cells and its possible mechanism. METHODS: A THP-1 cell line with stable overexpression of LPXN was constucted by using a lentivirus method, CCK-8 was used to detect the proliferation of cells, adhesion test was used to evaluate adhesion ablity of cells to Fn. Transwell assay was used to detect the change of invasion capability. Western blot was used to detect expression of LPXN, ERK, pERK and integrin α4, α5, β1, the Gelatin zymography was applied to detect activity of MMP2/MMP9 secreted by the THP-1 cells...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28639940/genetic-specification-of-left-right-asymmetry-in-the-diaphragm-muscles-and-their-motor-innervation
#6
Camille Charoy, Sarah Dinvaut, Yohan Chaix, Laurette Morlé, Isabelle Sanyas, Muriel Bozon, Karine Kindbeiter, Bénédicte Durand, Jennifer M Skidmore, Lies De Groef, Motoaki Seki, Lieve Moons, Christiana Ruhrberg, James F Martin, Donna M Martin, Julien Falk, Valerie Castellani
The diaphragm muscle is essential for breathing in mammals. Its asymmetric elevation during contraction correlates with morphological features suggestive of inherent left-right (L/R) asymmetry. Whether this asymmetry is due to L versus R differences in the muscle or in the phrenic nerve activity is unknown. Here, we have combined the analysis of genetically modified mouse models with transcriptomic analysis to show that both the diaphragm muscle and phrenic nerves have asymmetries, which can be established independently of each other during early embryogenesis in pathway instructed by Nodal, a morphogen that also conveys asymmetry in other organs...
June 22, 2017: ELife
https://www.readbyqxmd.com/read/28632489/the-effects-of-platelet-gel-on-cultured-human-retinal-pigment-epithelial-cells
#7
Sahar Balagholi, Shaban Alizadeh, Abouzar Bagheri, Yashar Amizadeh, Mozhgan Rezaei Kanavi
The positive role of platelet gel (PG) in tissue regeneration is well known, however, other characteristics of PG still remain to be determined. We investigated cellular and molecular changes in cultured human retinal pigment epithelial (hRPE) cells when treated with different concentrations of PG named PG1, PG2, and PG3. hRPE cells were isolated from donor eyes of two newborn children, within 24 hours after their death. The cells were treated with three concentrations of PG for 7 days: 3 × 104/ml (PG1), 6 × 104/ml (PG2), and 9 × 104/ml (PG3)...
June 20, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28627651/sox4-promotes-melanoma-cell-migration-and-invasion-though-the-activation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway
#8
Qiong Cheng, Jinfeng Wu, Yaohua Zhang, Xiao Liu, Nan Xu, Fuguo Zuo, Jinhua Xu
SOX4 has been reported to be abnormally expressed in many types of cancer, including melanoma. However, its role in cell proliferation and metastasis remains controversial. In this study, SOX4 was downregulated or overexpressed in A375, A2058 and A875 melanoma cells by siRNA or lentivirus transfection, respectively. Cell metastasis was observed by Transwell assay. In an aim to elucidate the underlying mechanisms, we determined the expression of nuclear factor-κB (NF-κB) by real-time PCR assay and western blot analysis...
June 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28627611/epithelial-mesenchymal-transition-and-cancer-stem-cell-like-phenotype-induced-by-twist1-contribute-to-acquired-resistance-to-irinotecan-in-colon-cancer
#9
Yong Yang, Guoxin Wang, Dajian Zhu, Yanfeng Huang, Yong Luo, Pengfei Su, Xiaowu Chen, Qian Wang
Inherent and acquired chemoresistance reduce the effectiveness of irinotecan in the treatment of metastatic colorectal cancer (CRC). However, the molecular mechanisms underlying this resistance process are still unclear. Twist1 is one of the master transcription factors of epithelial-mesenchymal transition (EMT). Our previous study indicated that Twist1 is overexpressed in colon cancer tissues, and demonstrated that Twist1 plays a crucial role in the chemoresistance of CRC. In the present study, we further investigated how Twist1 contribute to acquired resistance to irinotecan in colon cancer...
June 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28621422/a-new-role-of-the-membrane-type-matrix-metalloproteinase-16-mmp16-mt3-mmp-in-neural-crest-cell-migration
#10
Lee Roth, Rotem Kalev-Altman, Efrat Monsonego-Ornan, Dalit Sela-Donenfeld
Neural crest cells (NCCs) are a transient population of neuroectodermal-originated cells that populate the dorsal neural tube (dNT), before migrating and giving rise to multiple cell lineages in the developing embryo. Prior to their migration, NCCs undergo epithelial-to-mesenchymal-transition (EMT) through which they lose cell contacts and detach from the dNT to invade their surrounding environment. Multiple signals and transcription factors have been identified to regulate these events. Yet, less is known regarding effectors that act downstream to execute the actual NCC separation and migration...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28617552/long-non-coding-rna-tug1-can-promote-proliferation-and-migration-of-pancreatic-cancer-via-emt-pathway
#11
C-F Qin, F-L Zhao
OBJECTIVE: This paper aimed to investigate the effect of long non-coding RNA TUG1 (lncRNA TUG1) on cell proliferation, as well as cell migration in pancreatic cancer. PATIENTS AND METHODS: The mRNA levels of Taurine-up-regulated gene 1 (TUG1) in three kinds of pancreatic cancer cells BxPC3, PaTu8988 and SW1990 was detected by RT-qPCR. Meantime, RT-qPCR was used to examine the mRNA levels of TUG1 in 20 cases of human pancreatic cancer tissues and its para-carcinoma tissues...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28616662/perifosine-enhances-bevacizumab-induced-apoptosis-and-therapeutic-efficacy-by-targeting-pi3k-akt-pathway-in-a-glioblastoma-heterotopic-model
#12
Sara Ramezani, Nasim Vousooghi, Fatemeh Ramezani Kapourchali, Mohammad Taghi Joghataei
Bevacizumab (BVZ) as an antiangiogenesis therapy leads to a transient therapeutic efficacy in high-grade glioma. However, the proapoptotic potential of BVZ has not been well elucidated, yet. There is also a tumor resistance to BVZ that is linked to post-treatment metalloproteinases and AKT activities. Herein, the association between therapeutic efficacy and putative proapoptotic activity of low-dose BVZ either alone or in combination with a specific inhibitor of AKT called perifosine (PRF), in a glioma model was investigated...
June 14, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28615299/ormeloxifene-suppresses-prostate-tumor-growth-and-metastatic-phenotypes-via-inhibition-of-oncogenic-%C3%AE-catenin-signaling-and-emt-progression
#13
Bilal Bin Hafeez, Aditya Ganju, Mohammed Sikander, Vivek K Kashyap, Zubair Bin Hafeez, Neeraj Chauhan, Shabnam Malik, Andrew E Massey, Manish K Tripathi, Fathi T Halaweish, Nadeem Zafar, Man M Singh, Murali M Yallapu, Meena Jaggi, Subhash C Chauhan
Ormeloxifene (ORM), is a clinically approved selective estrogen receptor modulator, which has also shown excellent anti-cancer activity, thus it can be an ideal repurposing pharmacophore. Herein, we report therapeutic effects of ORM on prostate cancer (PrCa) and elucidate a novel molecular mechanism of its anti-cancer activity. ORM treatment inhibited epithelial to mesenchymal transition (EMT) process as evident by repression of N-cadherin, Slug, Snail, and vimentin, MMPs (MMP2 and MMP3), β-catenin/TCF-4 transcriptional activity, and induced the expression of pGSK3β...
June 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28611301/lncrna-svugp2-suppresses-progression-of-hepatocellular-carcinoma
#14
Jiangfeng Hu, Chenlin Song, Bensong Duan, Xiaoyan Zhang, Dongliang Li, Liang Zhu, Hengjun Gao
Numerous studies indicate that long noncoding RNAs (lncRNAs) are dysregulated in hepatocellular carcinoma (HCC) and might serve as potential diagnostic biomarkers and therapeutic targets of HCC. Therefore, it is interesting to globally identify the lncRNAs altered in HCC. In our study, we used microarray to profile the levels of lncRNAs and mRNAs in three pairs of HCC and their adjacent noncancerous samples. We found lncRNA-SVUGP2, which is a splice variant of the UGP2 gene, was down-regulated in HCC samples and correlates with a better prognosis in patients with HCC...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28607447/fam83h-is-involved-in-the-progression-of-hepatocellular-carcinoma-and-is-regulated-by-myc
#15
Kyoung Min Kim, See-Hyoung Park, Jun Sang Bae, Sang Jae Noh, Guo-Zhong Tao, Jung Ryul Kim, Keun Sang Kwon, Ho Sung Park, Byung-Hyun Park, Ho Lee, Myoung Ja Chung, Woo Sung Moon, Karl G Sylvester, Kyu Yun Jang
Recently, the roles of FAM83H in tumorigenesis have been interested and increased expression of FAM83H and MYC in hepatocellular carcinoma (HCC) have been reported. Therefore, we investigated the expression and role of FAM83H in 163 human HCCs and further investigated the relationship between FAM83H and oncogene MYC. The expression of FAM83H is elevated in liver cancer cells, and nuclear expression of FAM83H predicted shorter survival of HCC patients. In HLE and HepG2 HCC cells, knock-down of FAM83H inhibited proliferation and invasive activity of HCC cells...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28598010/dleu1-contributes-to-ovarian-carcinoma-tumourigenesis-and-development-by-interacting-with-mir-490-3p-and-altering-cdk1-expression
#16
Li-Li Wang, Kai-Xuan Sun, Dan-Dan Wu, Yin-Ling Xiu, Xi Chen, Shuo Chen, Zhi-Hong Zong, Xiu-Bo Sang, Yao Liu, Yang Zhao
Recently, a large number of studies have focused on the important role of long non-coding RNAs (lncRNAs) in metabolism and development and have found that abnormal lncRNA expression is associated with the pathogenesis and development of many diseases. The lncRNA DLEU1 is involved in many solid tumours and haematological malignancies. However, its role in epithelial ovarian carcinoma (EOC) and the associated molecular mechanisms has not been reported. In this study, quantitative reverse transcription-PCR (qRT-PCR) demonstrated higher lncRNADLEU1 expression in EOC tissues than in normal tissues...
June 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28595793/selenium-modulates-mmp2-expression-through-the-tgf%C3%AE-1-smad-signalling-pathway-in-human-umbilical-vein-endothelial-cells-and-rabbits-following-lipid-disturbance
#17
Chenggui Xu, Guihua Lu, Qinglang Li, Juhong Zhang, Zhibin Huang, Xiuren Gao
BACKGROUND: A high-fat diet is a major risk factor for coronary heart diseases. Matrix metalloprotease (MMP) expression is changed in many cardiovascular diseases. Selenium, which is an important trace element in animals, has a close relationship with cardiovascular diseases. The TGFβ1/Smad signalling pathway is ubiquitous in diverse tissues and cells, and it is also associated with the occurrence and development of cardiovascular diseases. Therefore, in this study, we aimed to determine selenium's effect on lipid metabolism, atherosclerotic plaque formation, and MMP2 expression, as well as the underlying functional mechanism...
July 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28595731/single-nucleotide-polymorphisms-in-an-indian-cohort-and-association-of-cntn4-mmp2-and-sntb1-variants-with-oral-cancer
#18
Subuhi Yete, Sultan Pradhan, Dhananjaya Saranath
Oral cancer is a high incidence cancer in India primarily due to the prevalent tobacco/areca nut chewing habits and hence a major health concern. India constitutes 26% of the global oral cancer burden. Besides the well-established risk factors, the genomic constitution of an individual plays a role in oral cancer. The aim of the current study was to analyse genomic variants represented as single nucleotide polymorphisms (SNPs), analyse their prevalence and investigate risk association of allelotypes/genotypes to oral cancers...
August 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28593951/preventing-tissue-fibrosis-by-local-biomaterials-interfacing-of-specific-cryptic-extracellular-matrix-information
#19
Christine-Maria Horejs, Jean-Philippe St-Pierre, Juha R M Ojala, Joseph A M Steele, Patricia Barros da Silva, Angela Rynne-Vidal, Stephanie A Maynard, Catherine S Hansel, Clara Rodríguez-Fernández, Manuel M Mazo, Amanda Y F You, Alex J Wang, Thomas von Erlach, Karl Tryggvason, Manuel López-Cabrera, Molly M Stevens
Matrix metalloproteinases (MMPs) contribute to the breakdown of tissue structures such as the basement membrane, promoting tissue fibrosis. Here we developed an electrospun membrane biofunctionalized with a fragment of the laminin β1-chain to modulate the expression of MMP2 in this context. We demonstrate that interfacing of the β1-fragment with the mesothelium of the peritoneal membrane via a biomaterial abrogates the release of active MMP2 in response to transforming growth factor β1 and rescues tissue integrity ex vivo and in vivo in a mouse model of peritoneal fibrosis...
June 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28592924/suppression-of-endothelial-cell-migration-by-tumor-associated-macrophage-derived-exosomes-is-reversed-by-epithelial-ovarian-cancer-exosomal-lncrna
#20
Quanfeng Wu, Xiaoli Wu, Xiang Ying, Qinyi Zhu, Xinjing Wang, Lu Jiang, Xin Chen, Yueqian Wu, Xipeng Wang
OBJECTIVE: To study the mechanism by which epithelial ovarian cancer (EOC)-derived exosomes restore the migration of endothelial cells that is suppressed by TAM-derived exosomes. METHODS: Exosomes were isolated from TAMs in the ascites of patients with EOC. The effect of exosomes on the expression of endothelial cell miRNA was monitored by PCR. The miRNA mimics were transfected to explore their effects. Microarray data and literature searches were used to predict target genes and the impact of target gene pathways, and small interfering RNA was used to target these genes...
2017: Cancer Cell International
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