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Adam9

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https://www.readbyqxmd.com/read/29203614/copy-number-profiling-of-oncogenes-in-ductal-carcinoma-in-situ-of-the-male-breast
#1
Marijn Annette Vermeulen, Shusma Doebar, Carolien van Deurzen, John Martens, Paul J van Diest, Cathy B Moelans
Characterizing male breast cancer (BC) and unraveling male breast carcinogenesis is challenging because of the rarity of this disease. We investigated copy number status of 22 BC related genes in 18 cases of pure ductal carcinoma in situ (DCIS) and in 49 cases of invasive carcinoma (IC) with adjacent DCIS (DCIS-AIC) in males using multiplex ligation-dependent probe amplification (MLPA). Results were compared to female BC and correlated with survival. Overall, copy number ratio and aberration frequency including all 22 genes showed no significant difference between the 3 groups...
December 4, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29163713/microrna-154-adam9-axis-inhibits-the-proliferation-migration-and-invasion-of-breast-cancer-cells
#2
Chengwei Qin, Yanming Zhao, Chunzhi Gong, Zhenlin Yang
Breast cancer is the leading cause for cancer-associated mortality in women. Although great progress has been made in the earlier diagnosis and systemic therapy of patients with breast cancer in recent years, recurrence or distant metastasis continue to present major barriers to the successful treatment of breast cancer. Therefore, fully understanding the molecular mechanisms underlying the progression of breast cancer may be critical for the development of effective therapeutic strategies against breast cancer...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29142101/loss-of-adam9-expression-impairs-%C3%AE-1-integrin-endocytosis-focal-adhesion-formation-and-cancer-cell-migration
#3
Kasper J Mygind, Jeanette Schwarz, Pranshu Sahgal, Johanna Ivaska, Marie Kveiborg
The transmembrane protease ADAM9 is frequently upregulated in human cancers and it promotes tumour progression in mice. In vitro, ADAM9 regulates cancer cell adhesion and migration by interacting with integrins. Yet, how ADAM9 modulates integrin functions is not known. We here show that ADAM9 knockdown increases β1 integrin levels through mechanisms independent of its protease activity. In ADAM9-silenced cells, adhesion to collagen and fibronectin is reduced, suggesting an altered function of the accumulated integrins...
November 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/29119055/mir-488-suppresses-cell-proliferation-and-invasion-by-targeting-adam9-and-lncrna-hulc-in-hepatocellular-carcinoma
#4
Dengdi Hu, Dan Shen, Min Zhang, Nengmeng Jiang, Feng Sun, Shibo Yuan, Kaiming Wan
MicroRNAs (miRNAs) have been identified as regulators of tumor proliferation, invasion, and metastasis in hepatocellular carcinoma (HCC). In the current study, we determined the clinical significance and biological role of miR-488 in HCC. Our results demonstrated that the expression of miR-488 was notably downregulated in HCC tissues compared with paired adjacent normal tissues. Lower miR-488 expression was positively associated with tumor size, vascular invasion, and shorter overall survival (OS) in HCC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29118335/adam9-promotes-lung-cancer-progression-through-vascular-remodeling-by-vegfa-angpt2-and-plat
#5
Chen-Yuan Lin, Chia-Fong Cho, Shih-Ting Bai, Jing-Pei Liu, Ting-Ting Kuo, Li-Ju Wang, Yu-Sen Lin, Ching-Chan Lin, Liang-Chuan Lai, Tzu-Pin Lu, Chih-Ying Hsieh, Chin-Nan Chu, Da-Chuan Cheng, Yuh-Pyng Sher
Lung cancer has a very high prevalence of brain metastasis, which results in a poor clinical outcome. Up-regulation of a disintegrin and metalloproteinase 9 (ADAM9) in lung cancer cells is correlated with metastasis to the brain. However, the molecular mechanism underlying this correlation remains to be elucidated. Since angiogenesis is an essential step for brain metastasis, microarray experiments were used to explore ADAM9-regulated genes that function in vascular remodeling. The results showed that the expression levels of vascular endothelial growth factor A (VEGFA), angiopoietin-2 (ANGPT2), and tissue plasminogen activator (PLAT) were suppressed in ADAM9-silenced cells, which in turn leads to decreases in angiogenesis, vascular remodeling, and tumor growth in vivo...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29115634/galangin-increases-erk1-2-phosphorylation-to-decrease-adam9-expression-and-prevents-invasion-in-a172-glioma-cells
#6
Deqiang Lei, Fangcheng Zhang, Dongxiao Yao, Nanxiang Xiong, Xiaobing Jiang, Hongyang Zhao
Galangin (3,5,7‑trihydroxyflavone), is a natural flavonoid present in plants. Galangin is reported to exhibit anti‑cancer properties against various cancer types. The aim of the present study was to display the effects of galangin on glioma and its mechanism of action in A172 human glioma cancer cells. The results clearly indicated that treatment of galangin inhibited A172 cell migration and invasion under non‑toxic doses. A human proteinase array assay was conducted to elucidate the potential effects of galangin, and the obtained results demonstrated that treatment of galangin inhibited ADAM9 protein expression and mRNA expression, that are known to contribute to cancer progression...
October 27, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29055152/predominance-of-regorafenib-over-sorafenib-restoration-of-membrane-bound-mica-in-hepatocellular-carcinoma-cells
#7
Jun Arai, Kaku Goto, Anthony Stephanou, Yasushi Tanoue, Sayaka Ito, Ryosuke Muroyama, Yasuo Matsubara, Ryo Nakagawa, Sayuri Morimoto, Yoshimi Kaise, Lay Ahyoung Lim, Hitoshi Yoshida, Naoya Kato
BACKGROUND AND AIM: The multi-kinase inhibitor regorafenib (REG) was recently demonstrated to be effective in patients with sorafenib (SOR)-resistant hepatocellular carcinoma (HCC). Interestingly, SOR is known to enhance the accumulation of membrane-bound MHC class I polypeptide-related sequence A (mMICA) in HCC cells, and to block production of soluble MICA (sMICA), an immunological decoy. In addition, MICA is associated with HCC in patients with chronic hepatitis C. We have now compared the impact of REG and SOR on MICA in HCC cells, as well as the immunotherapeutic implications thereof...
October 21, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28961505/hyperforin-attenuates-aluminum-induced-a%C3%AE-production-and-tau-phosphorylation-via-regulating-akt-gsk-3%C3%AE-signaling-pathway-in-pc12-cells
#8
Wanyue Huang, Ping Cheng, Kaiyuan Yu, Yanfei Han, Miao Song, Yanfei Li
Aluminum (Al) is a neurotoxicant and cause β-amyloid (Aβ) peptides aggregation and tau hyperphosphorylation. Hyperforin (HF) is one of the major active constituents of the extracts of St. John's Wort (Hypericum perforatum), can treat Alzheimer's disease (AD) and other diseases involving peptide accumulation and cognition impairment. To determine the effects of HF on Al-induced Aβ formation and tau hyperphosphorylation, PC12 cells were cultured and treated with Al-malt (500μM) and/or HF (1μM). The results showed that HF treatment significantly attenuated Al-malt-induced Aβ1-42 production by reducing the expressions of APP, BACE1 and PS1, while increasing the expressions of sAPPα, ADAM9/10/17, and tau phosphorylation in PC12 cells...
September 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28928095/adam9-is-present-at-endothelial-cell-cell-junctions-and-regulates-monocyte-endothelial-transmigration
#9
William R English, Richard J Siviter, Martin Hansen, Gillian Murphy
We have found that A Disintegrin And Metalloproteinase-9 (ADAM9) localises to cell-cell junctions with VE-Cadherin in confluent endothelial monolayers. Co-cultures of cells separately transfected with ADAM9-EGFP or ADAM9-HA showed expression is required in two adjacent cells for localisation to cell-cell junctions suggesting the ADAM9 ectodomain may self-associate. A direct interaction between ADAM9 ectodomains was confirmed using recombinant proteins and an ELISA based method. As the ADAM9 ectodomain can also exist as a soluble form physiologically, we examined if this could inhibit endothelial functions dependent on cell-cell junctions...
November 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28762604/tmeff2-shedding-is-regulated-by-oxidative-stress-and-mediated-by-adams-and-transmembrane-serine-proteases-implicated-in-prostate-cancer
#10
Katarzyna Gaweł-Bęben, Nazim Ali, Vincent Ellis, Gloria Velasco, Zaruhi Poghosyan, Ann Ager, Vera Knäuper
TMEFF2 is a type I transmembrane protein with two follistatin (FS) and one EGF-like domain over-expressed in prostate cancer; however its biological role in prostate cancer development and progression remains unclear, which may, at least in part, be explained by its proteolytic processing. The extracellular part of TMEFF2 (TMEFF2-ECD) is cleaved by ADAM17 and the membrane-retained fragment is further processed by the gamma-secretase complex. TMEFF2 shedding is increased with cell crowding, a condition associated with the tumour microenvironment, which was mediated by oxidative stress signalling, requiring jun-kinase (JNK) activation...
August 1, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28713950/microrna%C3%A2-302a-suppresses-cell-proliferation-migration-and-invasion-in-osteosarcoma-by-targeting-adam9
#11
Xiaoming Yang, Yan Cui, Fuqiang Yang, Chao Sun, Xuejian Gao
Osteosarcoma (OS) is the most frequent malignant primary bone tumor arising from primitive bone‑forming mesenchymal cells in children and adolescents. The dysregulation of microRNAs (miRNAs) has been reported in OS, and these aberrantly expressed miRNAs are involved in the initiation and progression of OS. The aim of the present study was to investigate the expression and functions of miRNA‑302a (miR‑302a) in OS and its underlying mechanism. It was found that the expression of miR‑302a was reduced in OS tissues and cell lines...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28675123/adam9-expression-promotes-an-aggressive-lung-adenocarcinoma-phenotype
#12
Céline Mongaret Kossmann, Maxime Annereau, Audrey Thomas-Schoemann, Carole Nicco-Overney, Christiane Chéreau, Frédéric Batteux, Jérôme Alexandre, François Lemare
A disintegrin and metalloproteinase 9 (ADAM9) possesses potent metastasis-inducing capacities and is highly expressed in several cancer cells. Previous work has shown that ADAM9 participates in the adhesive-invasive phenotype in lung cancer cells in vitro. In this study, we evaluated whether ADAM9 expression plays a critical role in metastatic processes in vivo and in angiogenesis. We first found that high ADAM9 expression was correlated with poor lung adenocarcinoma patient prognosis on Prognoscan data base...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28673571/high-altitude-and-pre-eclampsia-adaptation-or-protection
#13
Sarah I Y Ahmed, Muntaser E Ibrahim, Eltahir A G Khalil
Adaptive genes of high altitude can also be protective in diseases like preeclampsia, hypertension, and diabetes mellitus, Alzheimer, Parkinson Disease and Cancer, which may result from deregulation of hypoxia pathway. The example of pre-eclampsia and normal pregnancy were studied to see if the hypoxia-induced disorders can be dragged towards adaptation. Here, we analyse the genetic variants that are known to be associated with adaptation to high altitude hypoxia. Our results demonstrated that the genetic variants of EPAS1, ADAM9, and EGLN1 increased approximately three-fold in the cases of preeclampsia compared to normal pregnancy...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28648644/quercetin-suppresses-the-metastatic-ability-of-lung-cancer-through-inhibiting-snail-dependent-akt-activation-and-snail-independent-adam9-expression-pathways
#14
Jer-Hwa Chang, Shu-Leung Lai, Wan-Shen Chen, Wen-Yueh Hung, Jyh-Ming Chow, Michael Hsiao, Wei-Jiunn Lee, Ming-Hsien Chien
Metastasis is the major cause of death from lung cancer. Quercetin, a widely distributed bioflavonoid, is well known to induce growth inhibition in a variety of human cancer cells, but how it affects lung cancer cell invasion and metastasis is unclear. Herein, we found that quercetin inhibited the migration/invasion of non-small cell lung cancer (NSCLC) cell lines and bone metastasis in an orthotopic A549 xenograft model by suppressing the Snail-mediated epithelial-to-mesenchymal transition (EMT). Moreover, survival times of animals were also prolonged after quercetin treatment...
October 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28639884/loss-of-tumor-suppressor-mir-126-contributes-to-the-development-of-hepatitis-b-virus-related-hepatocellular-carcinoma-metastasis-through-the-upregulation-of-adam9
#15
Le-Yang Xiang, Huo-Hui Ou, Xin-Cheng Liu, Zhan-Jun Chen, Xiang-Hong Li, Yu Huang, Ding-Hua Yang
Hepatocellular carcinoma is the most common histological type of primary liver cancer, which represents the second leading cause of cancer-related mortality. MiR-126 was reported to be downregulated in hepatocellular carcinoma tissues, compared with its levels in noncancerous tissues. However, baseline miR-126 expression levels in hepatitis B virus-related hepatocellular carcinoma patients who did not undergo pre-operational treatment remains unknown since hepatitis B virus infection and pre-operational transcatheter arterial chemoembolization were shown to upregulate miR-126 expression...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28537886/adam9-enhances-cdcp1-by-inhibiting-mir-1-through-egfr-signaling-activation-in-lung-cancer-metastasis
#16
Kuo-Liang Chiu, Yu-Sen Lin, Ting-Ting Kuo, Chia-Chien Lo, Yu-Kai Huang, Hsien-Fang Chang, Eric Y Chuang, Ching-Chan Lin, Wei-Chung Cheng, Yen-Nien Liu, Liang-Chuan Lai, Yuh-Pyng Sher
MicroRNAs (miRNAs), which are endogenous short noncoding RNAs, can regulate genes involved in important biological and pathological functions. Therefore, dysregulation of miRNAs plays a critical role in cancer progression. However, whether the aberrant expression of miRNAs is regulated by oncogenes remains unclear. We previously demonstrated that a disintegrin and metalloprotease domain 9 (ADAM9) promotes lung metastasis by enhancing the expression of a pro-migratory protein, CUB domain containing protein 1 (CDCP1)...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28326725/-analysis-of-salivary-protease-spectrum-in-chronic-periodontitis
#17
Li Qian, Zhou Xuedong, Fan Yaping, Yang Tengyu, Wu Songtao, Yu Yu, Chen Jiao, Zhang Ping, Feng Yun
OBJECTIVE: This study aimed to investigate the difference in salivary protease expression in patients with chronic periodontitis and normal individuals. METHODS: The stimulating saliva in patients with chronic periodontitis and normal individuals were collected. Protein chip technology was adapted to analyze salivary protease spectrum. RESULTS: Among the 34 proteases in the chip, disintegrin and metalloproteinase (ADAM)8, matrix metalloproteinase (MMP)-8, MMP-12, neprilysin/CD10, and uridylyl phosphate adenosine/urokinase showed a significantly increased concentration in the saliva of chronic periodontitis patients compared with those in the saliva of normal individuals (P<0...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28264989/characterization-of-the-catalytic-properties-of-the-membrane-anchored-metalloproteinase-adam9-in-cell-based-assays
#18
Thorsten Maretzky, Steven Swendeman, Elin Mogollon, Gisela Weskamp, Umut Sahin, Karina Reiss, Carl P Blobel
ADAM9 (A Disintegrin And Metalloprotease 9) is a membrane-anchored metalloproteinase that has been implicated in pathological retinal neovascularization and in tumor progression. ADAM9 has constitutive catalytic activity in both biochemical and cell-based assays and can cleave several membrane proteins, including epidermal growth factor and Ephrin receptor B4; yet little is currently known about the catalytic properties of ADAM9 and its post-translational regulation and inhibitor profile in cell-based assays...
April 13, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28260063/adam9-functions-as-a-promoter-of-gastric-cancer-growth-which-is-negatively-and-post-transcriptionally-regulated-by-mir-126
#19
Junqing Wang, Yunyun Zhou, Xiaochun Fei, Xuehua Chen, Jiqi Yan, Bingya Liu, Zhenggang Zhu
A disintegrin and metalloproteinase domain 9 (ADAM9) is a membrane-anchored protein implicated in cell-cell and cell-matrix interactions, including the process of tumorigenesis. However, the role of ADAM9 in gastric cancer (GC) has not been clearly illustrated. In the present study, we found aberrant overexpression of ADAM9 in both GC tissues and cell lines. The expression of ADAM9 was significantly correlated with patient clinicopathological features including tumor size, local invasion, lymph node metastasis and tumor‑node‑metastasis (TNM) stage...
April 2017: Oncology Reports
https://www.readbyqxmd.com/read/28218777/comparative-study-of-13-candidate-genes-applying-multi-reference-normalization-to-detect-the-expression-of-different-fineness-in-skin-tissues-of-wool-sheep
#20
COMPARATIVE STUDY
Y Z Tian, T Usman, K C Tian, J Di, X X Huang, X M Xu, H Tulafu, W W Wu, X F Fu, Y Bai, M Tuerxun, A Maimaiti
Fiber diameter is a useful indicator of wool traits and it is the main determinant of wool quality and value. A comparative study was conducted to analyze the abundance and expression of 13 candidate genes using expression profile microarray analysis and to identify novel molecular markers associated with wool traits to provide a molecular basis for improving wool quality in sheep. Genes associated with fineness of skin tissue were identified using a real-time reverse transcriptase-polymerase chain reaction method with 18SrRNA, β-Actin, and GAPDH used for multi-reference normalization...
February 16, 2017: Genetics and Molecular Research: GMR
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