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https://www.readbyqxmd.com/read/29673878/down-regulation-of-mir-373-increases-the-radiosensitivity-of-lung-cancer-cells-by-targeting-timp2
#1
Yinghua Guo, Yingxiao Jiang, Maozhong Sang, Chunli Xu
BACKGROUND: Radiotherapy is a widely used effective treatment for lung cancer in clinic. MicroRNAs (miRNAs) have been proved to play an important role in radiation response. This study aimed to explore the regulatory role and mechanism of miR-373 in lung cancer cell radiosensitivity. METHODS: qRT-PCR was used to analyze the expression of miR-373 in lung cancer tissues and cell lines. MiR-373 expression was overexpressed or knocked down by transfection with miR-373 mimic or inhibitor...
April 16, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29658596/microrna-616-promotes-the-progression-of-ovarian-cancer-by-targeting-timp2
#2
Zhongbo Chen, Jianqing Zhu, Yiming Zhu, Junjian Wang
MicroRNAs (miRNAs), a group of short (~20 nt) non‑coding RNAs, play critical roles in the development and progression of ovarian cancer (OC). The role of miR‑616, a recently identified cancer-associated miRNA, has never been examined in OC before. The present study demonstrated that the level of miR‑616 was increased in OC tissues. A high miR‑616 level was associated with poor tumor differentiation and advanced tumor-node-metastasis (TNM) stage. Survival analysis revealed that an elevated level of miR‑616 was associated with poor prognosis of OC patients as demonstrated by decreased overall survival (OS) and disease‑free survival (DFS)...
April 12, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29620263/tpx2-silencing-mediated-by-joint-action-of-microvesicles-and-ultrasonic-radiation-inhibits-the-migration-and-invasion-of-skov3-cells
#3
Dong Huang, Jianmin Chen, Cuiyu Yang, Minzhen Wang
Ovarian cancer, with its high morbidity, has one of the highest mortality rates among gynecological malignant tumors. Overexpression of targeting protein for Xklp2 (TPX2) has been identified in numerous malignant tumors. The present study sought to determine whether TPX2 silencing inhibited the growth and metastasis of ovarian cancer cells, and whether microvesicles‑ and ultrasonic radiation‑mediated small interfering (si)RNA‑TPX2 transfection may improve the therapeutic effect. The SKOV3 cell line, derived from papillary serous cytadenocarcinoma of the human ovary, was selected as a cell model...
March 28, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29567202/mating-induces-production-of-mmp2-in-the-llama-oviduct-analysis-of-mmp2-effect-on-semen
#4
Renato Zampini, Luciana M Sari, Martin E Argañaraz, Fernanda G Fumuso, Daniela E Barraza, María I Carretero, Silvana A Apichela
Ovulation of South American Camelids is induced by mating. After copulation, sperm are stored into the oviduct to be released near ovulation time. To study whether copulation induces matrix metalloproteinase-2 (MMP2) secretion in the oviduct, the occurrence of MMP2 in oviductal tissue and oviductal fluid (OF) from 24 h post-mated was compared with non-mated llama females. There was an incremental increase of MMP2 in the oviductal epithelial cells, and MMP2 activity in OF after copulation. Additionally, MMP2 activator (MMP14), inducer (EMMPRIN) and inhibitor (TIMP2) were present in the oviductal epithelial cells of both non-mated and post-mated females...
March 15, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29565489/high-expression-of-lncrna-gacat3-inhibits-invasion-and-metastasis-of-non-small-cell-lung-cancer-to-enhance-the-effect-of-radiotherapy
#5
X Yang, W Zhang, S-Q Cheng, R-L Yang
OBJECTIVE: To clarify the role of long non-coding RNA (lncRNA) GACAT3 in invasion and metastasis of non-small cell lung cancer (NSCLC) and its effect on radiotherapy. PATIENTS AND METHODS: The expression of GACAT3 and TIMP2 in cells and tissues of NSCLC were detected by quantitative Real-time PCR (qRT-PCR). The influence of GACAT3 on cell proliferation and the capacity of colony formation were estimated by MTT test and colony forming experiment respectively. Luciferase reporting assay was used to confirm the correlation between GACAT3 and TIMP2...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29544929/angiotensin-receptor-neprilysin-inhibition-provides-superior-cardioprotection-compared-to-angiotensin-converting-enzyme-inhibition-after-experimental-myocardial-infarction
#6
Andrew R Kompa, Jiayu Lu, Thomas J Weller, Darren J Kelly, Henry Krum, Thomas G von Lueder, Bing H Wang
BACKGROUND: Angiotensin receptor neprilysin inhibitor (ARNi) enhances beneficial natriuretic peptides by inhibiting their breakdown through neprilysin. Although the first-in-class ARNi sacubitril/valsartan (LCZ696) reduced mortality and morbidity in heart failure (HF) with reduced ejection fraction (EF) compared to angiotensin converting enzyme inhibitor (ACEi), mechanistic data on ARNi are scarce. ARNi may be superior to ACEi in attenuating adverse cardiac remodeling and dysfunction post-myocardial infarction (MI)...
May 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29541006/change-of-ranibizumab-induced-human-vitreous-protein-profile-in-patients-with-proliferative-diabetic-retinopathy-based-on-proteomics-analysis
#7
Chen Zou, Changjing Han, Minjie Zhao, Jingjing Yu, Lin Bai, Yuan Yao, Shuaixin Gao, Hui Cao, Zhi Zheng
Background: Preoperative treatment of anti-vascular endothelial growth factor (VEGF) agents is extensively used in proliferative diabetic retinopathy (PDR), but the molecular mechanism is not fully understood. The objective of this research is to observe change of protein profile induced by ranibizumab (an anti-VEGF agent) in vitreous humor from PDR patients and reveal the effects of anti-VEGF treatment on PDR. Methods: A proteomic method was used to identify differentially expressed proteins in vitreous humor...
2018: Clinical Proteomics
https://www.readbyqxmd.com/read/29502979/amelioration-of-cavernosal-fibrosis-and-erectile-function-by-lysyl-oxidase-inhibition-in-a-rat-model-of-cavernous-nerve-injury
#8
Zhi-Hua Wan, Guo-Hao Li, Yong-Lian Guo, Wen-Zhou Li, Lin Chen, Yuan-Jie Zhang
BACKGROUND: Cavernous nerve injury (CNI) causes fibrosis and loss of smooth muscle cells (SMCs) in the corpus cavernosum and leads to erectile dysfunction, and lysyl oxidase (LOX) activation has been found to play an important role in fibrotic diseases. AIM: To evaluate the role of LOX in penile fibrosis after bilateral CNI (BCNI). METHODS: Rats underwent BCNI or a sham operation and were treated with vehicle or β-aminopropionitrile, a specific LOX activity inhibitor...
March 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29491489/genome-wide-analysis-revealed-that-dznep-reduces-tubulointerstitial-fibrosis-via-down-regulation-of-pro-fibrotic-genes
#9
Imari Mimura, Yosuke Hirakawa, Yasuharu Kanki, Ryo Nakaki, Yutaka Suzuki, Tetsuhiro Tanaka, Hiroyuki Aburatani, Masaomi Nangaku
Tubulointerstitial fibrosis has been recently reported to be caused by the collapse of the epigenetic regulation of kidney diseases. We examined whether pharmacological inhibition of histone modification is effective against renal fibrosis. DZNep (3-deazaneplanocin A) was originally developed as an anti-cancer drug to inhibit the repressive histone mark, H3K27me3. We used a model of chronic tubulointerstitial fibrosis induced by unilateral ischaemia/reperfusion and administered DZNep intravenously to the mice for 8 weeks...
February 28, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29486611/anti-elastase-and-anti-collagenase-potential-of-lactobacilli-exopolysaccharides-on-human-fibroblast
#10
Mahdieh Shirzad, Javad Hamedi, Elahe Motevaseli, Mohammad Hossein Modarressi
Polysaccharides could be used as biodegradable and biocompatible polymers for scaffolds and carriers matrix. Numerous algal, fungi and herbal polysaccharides can attenuate degradation of skin matrix by the inhibition of elastase, collagenase and matrix metalloproteinases (MMPs). In this study, we investigate anti-elastase and anti-collagenase potential of Lactobacilli exopolysaccharides (LEPS) on normal human fibroblast. Among 60 Lactobacilli isolated from herbal plants and dairy products, selected LEPS showed high anti-collagenase (up to 100%), anti-elastase (up to 87%) and antioxidant activity (up to 60%)...
February 27, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29434787/expression-and-role-of-microrna-1271-in-the-pathogenesis-of-osteosarcoma
#11
Gongbiao Lu, Lin Du, Yi Guo, Baohua Xing, Jishou Lu, Yanchun Wei
The aim of the current study was to investigate the expression and role of microRNA (miR)-1271 in the pathogenesis of osteosarcoma, and the associated underlying mechanisms. Tissue samples from 45 patients with osteosarcoma were collected, while the 143B, MG-63 and U-2 OS osteosarcoma cell lines were also cultured. The expression levels of miR-1271 in the tissues and cells were detected with reverse transcription-quantitative polymerase chain reaction, and 143B osteosarcoma cells were subjected to miR-1271 manipulation...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29432996/lncrna-let-inhibits-cell-viability-migration-and-emt-while-induces-apoptosis-by-up-regulation-of-timp2-in-human-granulosa-like-tumor-cell-line-kgn
#12
Qingfang Han, Wenke Zhang, Jinlai Meng, Li Ma, Aihua Li
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine disease characterized by hyperandrogenism, irregular menses, and polycystic ovaries. Several long non-coding RNAs (lncRNAs) are aberrantly expressed in PCOS patients; however, little is known about the effects of the lncRNA-low expression in tumor (lncRNA-LET) on PCOS. We aimed to explore the effects of lncRNA-LET on human granulosa-like tumor cell line, KGN. METHODS: Expression of lncRNA-LET in normal IOSE80 cells and granulosa cells was determined by qRT-PCR...
February 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29424004/substrate-stiffness-regulated-migration-and-invasion-ability-of-adenoid-cystic-carcinoma-cells-via-rhoa-rock-pathway
#13
Dan Zhao, Qianshun Li, Mengting Liu, Wenjuan Ma, Tengfei Zhou, Changyue Xue, Xiaoxiao Cai
OBJECTIVES: Human salivary adenoid cystic carcinoma (SACC) is one of the most common malignant tumours of the salivary gland and has strong migratory and invasive ability, which often lead to poor prognosis and lower survival rate. Tumour tissue tends to stiffen during solid tumour progression. This study aimed to investigate the influence of various substrate stiffness on the migration and invasion of SACC. METHODS: Salivary adenoid cystic carcinoma cell line ACC2 cells were cultured on polydimethylsiloxane substrates (PDMS) with varying stiffness for investigating the effects of substrate stiffness on the activities of MMPs and TIMPs...
February 8, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29414815/lncrna-gas5-represses-osteosarcoma-cells-growth-and-metastasis-via-sponging-mir-203a
#14
Yang Wang, Daliang Kong
BACKGROUND/AIMS: LncRNA GAS5, a growth suppressor, has been reported to exert anti-tumor actions in various cancers, whereas the exact mechanism underling the anti-tumor action is still unclear. This study was aimed to investigate the effect of lncRNA GAS5 on osteosarcoma and tried to decode the underling mechanisms. METHODS: Expressions of lncRNA GAS5 in MG-63 cells were silenced by shRNA transfection, while were overexpressed by vector transfection. Cell viability, migration, invasion and apoptosis were respectively assessed by MTT, Transwell assay and flow cytometry...
January 31, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29385606/rare-variants-in-tissue-inhibitor-of-metalloproteinase-2-as-a-risk-factor-for-schizophrenia-evidence-from-familial-and-cohort-analysis
#15
Jibin John, Aditya Sharma, Prachi Kukshal, Triptish Bhatia, Vishwajit L Nimgaonkar, Smita N Deshpande, B K Thelma
Candidate gene and genome-wide association study based common risk variant identification is being complemented by whole exome sequencing (WES)/whole genome sequencing based rare variant discovery in elucidation of genetic landscape of schizophrenia (SZ), a common neuropsychiatric disorder. WES findings of de novo mutations in case-parent trios have further implied genetic etiology, but do not explain the high genetic risk in general populations. Conversely, WES in multiplex families may be an insightful strategy for the identification of highly penetrant rare variants in SZ and possibly enhance our understanding of disease biology...
January 29, 2018: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29375695/influence-of-cartilage-interstitial-fluid-on-gene-expression-in-cruciate-ligament-fibroblasts
#16
Anna Osiecka-Iwan, Stanisław Moskalewski, Anna Kosowska, Anna Hyc
Loading of articular cartilage during motion squeezes the fluid from the cartilage, termed cartilage interstitial fluid (CIF), which was found to influence gene expression in synovial membrane cells. After crucial ligaments damage, these cells are exposed to synovial fluid containing factors released from articular cartilage; the aim of the present study was to establish the influence of CIF and factors present in CIF (CIF-like cocktails) on crucial ligament fibroblasts. CIF was squeezed from articular-epiphyseal cartilage complexes of newborn rats...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29358859/astragaloside-iv-inhibits-pathological-functions-of-gastric-cancer-associated-fibroblasts
#17
Zhen-Fei Wang, Da-Guang Ma, Zhe Zhu, Yong-Ping Mu, Yong-Yan Yang, Li Feng, Hao Yang, Jun-Qing Liang, Yong-Yan Liu, Li Liu, Hai-Wen Lu
AIM: To investigate the inhibitory effect of astragaloside IV on the pathological functions of cancer-associated fibroblasts, and to explore the underlying mechanism. METHODS: Paired gastric normal fibroblast (GNF) and gastric cancer-associated fibroblast (GCAF) cultures were established from resected tissues. GCAFs were treated with vehicle control or different concentrations of astragaloside IV. Conditioned media were prepared from GNFs, GCAFs, control-treated GCAFs, and astragaloside IV-treated GCAFs, and used to culture BGC-823 human gastric cancer cells...
December 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29348861/primary-tumor-associated-expression-of-cxcr4-predicts-formation-of-local-and-systemic-recurrency-in-head-and-neck-squamous-cell-carcinoma
#18
Andreas Knopf, Leila Bahadori, Kristin Fritsche, Guido Piontek, Cord-Christian Becker, Percy Knolle, Achim Krüger, Henning Bier, Yin Li
Objectives: Despite modern treatment regimens, overall survival in head and neck squamous cell carcinomas (HNSCC) is less than 50% due to local and systemic disease recurrency. The current study aims to identify molecular markers in primary tumor specimens that predict the risk for local and systemic recurrency at the time of initial diagnosis. Methods: The study included clinic-pathological data of 1,057 HNSCC. MMP2/9, TIMP1/2, CXCR4, and CXCL12 immunohistochemistry was done in 150 randomly selected specimens...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29330297/characterization-and-evidence-of-the-mir-888-cluster-as-a-novel-cancer-network-in-prostate
#19
Tsuyoshi Hasegawa, Garrison J Glavich, Mary Pahuski, Aleena Short, O John Semmes, Lifang Yang, Vitold Galkin, Richard Drake, Aurora Esquela-Kerscher
Prostate cancer afflicts 1 in 7 men and is the second leading cause of male cancer-related deaths in the United States. MicroRNAs (miRNAs), an extensive class of approximately 22 nucleotide noncoding RNAs, are often aberrantly expressed in tissues and fluids from prostate cancer patients, but the mechanisms of how specific miRNAs regulate prostate tumorigenesis and metastasis are poorly understood. Here, miR-888 was identified as a novel prostate factor that promotes proliferation and migration. miR-888 resides within a genomic cluster of 7 miRNA genes ( mir-892c, mir-890, mir-888, mir-892a, mir-892b, mir-891b, mir-891a ) on human chromosome Xq27...
April 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29297546/genetic-polymorphism-in-mmp9-may-be-associated-with-anterior-open-bite-in-children
#20
Erika Calvano Küchler, Driely Barreiros, Raphaela Oliveira da Silva, Júlia Guimarães Barcellos de Abreu, Ellen Cardoso Teixeira, Raquel Assed Bezerra da Silva, Lea Assed Bezerra da Silva, Paulo Nelson Filho, Fábio Lourenço Romano, José Mauro Granjeiro, Lívia Azeredo Alves Antunes, Leonardo Santos Antunes
Anterior open bite (AOB) has a multifactorial etiology caused by the interaction of sucking habits and genetic factors. The aim of this study was to evaluate the association between AOB and polymorphisms in genes that encode Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs). Four hundred and seventy-two children that presented at least one sucking habit were evaluated. Children were examined clinically for the presence of AOB. Genomic DNA was extracted from saliva. Genotyping of the selected polymorphisms in MMP2, MMP3, MMP9, TIMP1 and TIMP2 was carried out by real-time PCR using the TaqMan method...
May 2017: Brazilian Dental Journal
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