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Cellular & Molecular Biology Letters

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https://read.qxmd.com/read/30766610/mir-219-5p-suppresses-cell-proliferation-and-cell-cycle-progression-in-esophageal-squamous-cell-carcinoma-by-targeting-ccna2
#1
Qiang Ma
Background: We investigated the potential regulatory role of miR-219-5p in esophageal squamous cell carcinoma (ESCC) and looked at the underlying mechanisms in ESCC. Methods: Real-time PCR was used to determine the levels of miR-219-5p in ESCC tissues and cell lines. The effects of miR-219-5p and cyclin A2 (CCNA2) on cell proliferation and cell cycle progression were evaluated using MTT, colony formation and flow cytometry assays with ESCC cell lines EC9706 and TE-9...
2019: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30675171/sirna-against-tsg101-reduces-proliferation-and-induces-g0-g1-arrest-in-renal-cell-carcinoma-involvement-of-c-myc-cyclin-e1-and-cdk2
#2
Chen Xu, Junhua Zheng
Objective: The tumor susceptibility gene 101 (TSG101) is closely associated with various tumor types, but its role in the pathogenesis of renal cell carcinoma (RCC) is still unknown. This study used RNA interference to silence the expression of TSG101 in RCC cell lines and explore the role of TSG101 in RCC. Methods: Immunohistochemistry and western blot were performed to detect the expression of TSG101 in 15 paired renal tumor samples. A small interfering RNA (siRNA) targeting TSG101 was transfected into A498 and 786-O cell lines...
2019: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30651744/anti-tumor-effects-and-mechanism-of-ga-13315-a-novel-gibberellin-derivative-in-human-lung-adenocarcinoma-an-in-vitro-and-in-vivo-study
#3
Lin Xie, Yajuan Chen, Jingbo Chen, Hongbin Zhang, Yedan Liao, Yonghong Zhou, Ling Zhou, Chen Qing
Objective: To investigate the anti-tumor effects and the mechanism of the compound 13-chlorine-3, 15-dioxy-gibberellic acid methyl ester (GA-13315) in lung adenocarcinoma in vitro and in vivo. Methods: The antiproliferative effect of GA-13313 on the A549 cell line was determined by MTT (3-[4, 5-dimethylthiazol-2-yl]-2, 5 diphenyl tetrazolium bromide) assay. A xenograft model of A549 was established to evaluate the anti-tumor effect and histopathological examination was performed to assess the toxicity of GA-13315...
2019: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30574165/3d-visualization-of-extracellular-vesicle-uptake-by-endothelial-cells
#4
Martyna Durak-Kozica, Zbigniew Baster, Karol Kubat, Ewa Stępień
Background: Extracellular vesicles are small vesicles that contain cytoplasmic and membrane components from their paternal cells. They enter target cells through uptake to transfer their biological cargo. In this study, we investigated the process of endothelial EV internalization and created a 3D visualization of their intracellular distribution. Methods and results: Two immortalized endothelial cell lines that express h-TERT (human telomerase) were used for EV release: microvascular TIME and macrovascular HUVEC...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30564277/the-suppressive-effect-of-co-inhibiting-pd-1-and-ctla-4-expression-on-h22-hepatomas-in-mice
#5
Leilei Liang, Keli Ge, Fengying Zhang, Yinlin Ge
Objective: We investigated the suppressive effect of siRNA-mediated co-inhibition of PD-1 and CTLA-4 expression on H22 hepatomas in mice. Methods: Murine H22 cells were cultured in vivo in ICR mice. An allograft tumor model was also established in another ICR mouse group. The tumor-bearing mice were randomly divided into four groups: control, single PD-1 siRNA, single  CTLA-4 siRNA, and double PD-1 + CTLA-4 siRNAs. The survival time and physiological condition of the mice were observed after the injection of the siRNAs and placebo...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30505323/latent-viruses-can-cause-disease-by-disrupting-the-competition-for-the-limiting-factor-p300-cbp
#6
REVIEW
Hanan Polansky, Hava Schwab
CBP and p300 are histone acetyltransferase coactivators that control the transcription of numerous genes in humans, viruses, and other organisms. Although two separate genes encode CBP and p300, they share a 61% sequence identity, and they are often mentioned together as p300/CBP. Zhou et al. showed that under hypoxic conditions, HIF1α and the tumor suppressor p53 compete for binding to the limiting p300/CBP coactivator. Jethanandani & Kramer showed that δEF1 and MYOD genes compete for the limited amount of p300/CBP in the cell...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30505322/the-diagnostic-value-and-pathogenetic-role-of-lncrna-atb-in-patients-with-osteoarthritis
#7
Xiliang Dang, Liping Lian, Dongsheng Wu
Background: In view of the roles of long non-coding RNAs (lncRNAs) in human diseases and the high incidence of osteoarthritis, we investigated the role of long non-coding RNA activated by transforming growth factor-β (lncRNA-ATB) in osteoarthritis and explored its diagnostic value for this disease. Methods: The study involved 98 patients with osteoarthritis and 76 healthy subjects. Blood was extracted from each participant and the expression of lncRNA-ATB in the serum was detected using quantitative Real Time -PCR...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30505321/identification-and-validation-of-nolc1-as-a-potential-target-for-enhancing-sensitivity-in-multidrug-resistant-non-small-cell-lung-cancer-cells
#8
Huaping Huang, Tangying Li, Mingjing Chen, Feng Liu, Haifeng Wu, Jie Wang, Jialiang Chen, Xi Li
Adjuvant chemotherapy has become the frequently adopted standard therapeutic approach for non-small cell lung cancer (NSCLC). However, the development of multidrug resistance (MDR) is a major obstacle contributing to the failure of chemotherapy. This study aimed to identify genes associated with MDR development that predict tumor response to chemotherapy in NSCLC. In the present study, a multidrug-resistant NSCLC cell sub-line, A549/MDR, was established from the A549/DDP cell line and characterized. The resistance index (RI) of this subline was calculated according to the IC50 of A549/MDR relative to the parental A549/DDP cells...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30459815/systematic-analysis-of-genes-involved-in-oral-cancer-metastasis-to-lymph-nodes
#9
Xing'an Zhang, Lanfang Zhang, Xiaoyao Tan, Ying Lin, Xinsheng Han, Huadong Wang, Huawei Ming, Qiujiang Li, Kang Liu, Gang Feng
Oral cancer remains a deadly disease worldwide. Lymph node metastasis and invasion is one of the causes of death from oral cancer. Elucidating the mechanism of oral cancer lymph node metastasis and identifying critical regulatory genes are important for the treatment of this disease. This study aimed to identify differentially expressed genes (gene signature) and pathways that contribute to oral cancer metastasis to lymph nodes. The GSE70604-associated study compared gene profiles in lymph nodes with metastasis of oral cancer to those of normal lymph nodes...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30410547/elevated-il-33-promotes-expression-of-mmp2-and-mmp9-via-activating-stat3-in-alveolar-macrophages-during-lps-induced-acute-lung-injury
#10
Yafeng Liang, Nengli Yang, Guoquan Pan, Bingxin Jin, Shufen Wang, Wei Ji
Background: Pulmonary inflammation and endothelial barrier permeability increase in acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) induced by pro-inflammatory cytokines and matrix metalloproteinases (MMPs). However, the relationship between pro-inflammatory cytokines and MMPs in ALI/ARDS remains poorly understood. Methods: A lipopolysaccharide (LPS)-induced ALI rat model was established through intratracheal instillation. The wet/dry ratios of lung tissues were measured, and bronchoalveolar lavage fluid (BALF) was collected to test protein concentrations, total cell/macrophage numbers, and pro-inflammatory cytokine levels...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30386383/an-integrated-approach-of-bioinformatic-prediction-and-in-vitro-analysis-identified-that-mir-34a-targets-met-and-axl-in-triple-negative-breast-cancer
#11
Shadan Hajalirezay Yazdi, Mahdi Paryan, Samira Mohammadi-Yeganeh
Background: Breast cancer is the most prevalent cancer among women, and AXL and MET are the key genes in the PI3K/AKT/mTOR pathway as critical elements in proliferation and invasion of cancer cells. MicroRNAs (miRNAs) are small non-coding RNAs regulating the expression of genes. Methods: Bioinformatic approaches were used to find a miRNA that simultaneously targets both AXL and MET 3'-UTRs. The expression of target miRNA was evaluated in triple-negative (MDA-MB-231) and HER2-overexpressing (SK-BR-3) breast cancer cell lines as well as normal breast cells, MCF-10A, using quantitative real-time PCR...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30337942/microcystin-lr-regulates-circadian-clock-and-antioxidant-gene-expression-in-cultured-rat-cardiomyocytes
#12
Yonghua Xu, Xiangmin Wang, Surong Jiang, Chen Men, Di Xu, Yan Guo, Jun Wu
Background: Microcystins are waterborne environmental toxins that induce oxidative stress and cause injuries in the heart. On the other hand, many physiological processes, including antioxidant defense, are under precise control by the mammalian circadian clock. Results: In the present study, we evaluated the effect of microcystin-LR (MC-LR) on the rhythmic expression patterns of circadian and antioxidant genes in rat cardiomyocytes using the serum shock technique...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30323846/angiogenesis-after-administration-of-basic-fibroblast-growth-factor-induces-proliferation-and-differentiation-of-mesenchymal-stem-cells-in-elastic-perichondrium-in-an-in-vivo-model-mini-review-of-three-sequential-republication-abridged-reports
#13
REVIEW
Toru Miyanaga, Yoshimichi Ueda, Aiko Miyanaga, Mikio Yagishita, Naoko Hama
To date, studies on mesenchymal tissue stem cells (MSCs) in the perichondrium have focused on in vitro analysis, and the dynamics of cartilage regeneration from the perichondrium in vivo remain largely unknown. We have attempted to apply cell and tissue engineering methodology for ear reconstruction using cultured chondrocytes. We hypothesized that by inducing angiogenesis with basic fibroblast growth factor (bFGF), MSCs or cartilage precursor cells would proliferate and differentiate into cartilage in vivo and that the regenerated cartilage would maintain its morphology over an extended period...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30305827/hypoxic-stabilization-of-mrna-is-hif-independent-but-requires-mtros
#14
Grey W Fortenbery, Brinda Sarathy, Kristen R Carraway, Kyle D Mansfield
Background: Tissue ischemia can arise in response to numerous physiologic and pathologic conditions. The cellular response to decreased perfusion, most notably a decrease in glucose and oxygen, is important for cellular survival. In response to oxygen deprivation or hypoxia, one of the key response elements is hypoxia inducible factor (HIF) and a key protein induced by hypoxia is vascular endothelial growth factor (VEGF). Under hypoxia, we and others have reported an increase in the half-life of VEGF and other hypoxia related mRNAs including MYC and CYR61; however, the mediator of this response has yet to be identified...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30305826/experimental-research-into-the-potential-therapeutic-effect-of-gyy4137-on-ovariectomy-induced-osteoporosis
#15
Zhong-Shi Xu, Feng Dai, Ji Chen, Meng Lv, Ji-Wu Cheng, Xiao-Ming Zhang, Bo-Wen Lin
Background: Evidence has shown that endogenous H2 S plays an important role in the physiological and pathophysiological processes of many organs. The study aimed to explore whether exogenous H2 S has a potential therapeutic effect on a rat ovariectomy-induced model of osteoporosis. Methods: The OVX osteoporosis model was established in female Sprague-Dawley rats by full bilateral ovariectomy. The rats were randomly divided into four groups, with the two experimental groups receiving an intraperitoneal injection of GYY4137 or sodium alendronate...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30258464/hypoxia-promotes-the-migration-and-invasion-of-human-hepatocarcinoma-cells-through-the-hif-1%C3%AE-il-8-akt-axis
#16
Maoyun Fei, Jianming Guan, Tao Xue, Lianjin Qin, Chengwu Tang, Ge Cui, Yao Wang, Hui Gong, Wenming Feng
Background: Hepatocellular carcinoma (HCC) is the fifth most common cancer and the third most common cause of cancer-related death worldwide. The 5-year survival rate remains low despite considerable research into treatments of HCC, including surgery, radiotherapy and chemotherapy. Many mechanisms within HCC still require investigation, including the influence of hypoxia, which has a crucial role in many cancers and is associated with metastasis. Hypoxia inducible factor-1α (HIF-1α) is known to regulate the expression of many chemokines, including interleukin-8 (IL-8), which is associated with tumor metastasis...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30250489/editorial-focus-entering-into-the-non-coding-rna-era
#17
REVIEW
Rafal Bartoszewski, Aleksander F Sikorski
Recent developments in high-throughput genotyping technologies have revealed the existence of several new classes of RNA that do not encode proteins but serve other cellular roles. To date, these non-coding RNAs (ncRNAs) have been shown to modulate both gene expression and genome remodeling, thus contributing to the control of both normal and disease-related cellular processes. The attraction of this research topic can be seen in the increasing number of submissions on ncRNAs to molecular biology journals, including Cellular Molecular Biology Letters (CMBL)...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30237810/systematic-identification-of-the-key-candidate-genes-in-breast-cancer-stroma
#18
Yanxia Wang, Hui Xu, Baoan Zhu, Zhenling Qiu, Zaijun Lin
Background: Tumor microenvironment, in particular the stroma, plays an important role in breast cancer cell invasion and metastasis. Investigation of the molecular characteristics of breast cancer stroma may reveal targets for future study. Methods: The transcriptome profiles of breast cancer stroma and normal breast stroma were compared to identify differentially expressed genes (DEGs). The method was analysis of GSE26910 and GSE10797 datasets. Common DEGs were identified and then analyses of enriched pathways and hub genes were performed...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30202418/lnc-dc-regulates-cellular-turnover-and-the-hbv-induced-immune-response-by-tlr9-stat3-signaling-in-dendritic-cells
#19
Lifan Zhuang, Jianhua Tian, Xinzhi Zhang, Hong Wang, Chenghui Huang
Background: Lnc-DC is a specific group of long non-coding (Lnc) RNAs in dendritic cells (DCs). Its function has been previously studied, and includes roles in dendritic cell differentiation and the progression of some diseases. In this study, we observed the critical role of Lnc-DC in regulating the differentiation, growth, and apoptosis of dendritic cells. Methods: We first isolated peripheral blood mononuclear cells to culture and induce into DCs, which were then co-cultured with hepatitis B virus (HBV)-secreting HepG2...
2018: Cellular & Molecular Biology Letters
https://read.qxmd.com/read/30202417/wnt-and-notch-signaling-pathways-as-activators-for-epidermal-growth-factor-receptor-in-esophageal-squamous-cell-carcinoma
#20
Mohammad Reza Abbaszadegan, Anali Riahi, Mohammad Mahdi Forghanifard, Meysam Moghbeli
Background: Esophageal squamous cell carcinoma (ESCC) is the most common histological type of esophageal cancer, with a poor prognosis. Deregulation of WNT and NOTCH signaling pathways is important in ESCC progression, which can be due to either malfunction of their components or crosstalk with other pathways. Therefore, identification of new crosstalk between such pathways may be effective to introduce new strategies for targeted therapy of cancer. A correlation study was performed to assess the probable interaction between growth factor receptors and WNT/NOTCH pathways via the epidermal growth factor receptor (EGFR) and Musashi1 (MSI1), respectively...
2018: Cellular & Molecular Biology Letters
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