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Journal of Cellular Biochemistry

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https://www.readbyqxmd.com/read/28643947/effect-of-tet1-regulating-mgmt-on-chemotherapy-resistance-of-oral-squamous-cell-carcinoma-stem-cells
#1
Wei Wang, Xin Li, Fan Wang, Xiang-Yu Sun
The study was to evaluate the effect of ten-eleven translocation 1 (TET1) regulating o6-methylguanine-DNA methyltransferase (MGMT) in chemotherapy resistance of oral squamous cell carcinoma (OSCC) stem cells. OSCC stem cells were divided into the blank, negative control (NC), TET1-siRNA, TET1-siRNA + MGMT-OE and MGMT-OE groups. Methylation-specific polymerase chain reaction (MSP), qRT-PCR and western blotting were conducted to detect the methylation status of MGMT, expressions of TET1, MGMT, ABCG2 and Oct-4...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28643946/activated-proline-rich-tyrosine-kinase-2-regulates-meiotic-spindle-assembly-in-the-mouse-oocyte
#2
Xiao-Qian Meng, Bing Cui, Dong Cheng, Hui Lyu, Li-Gang Jiang, Ke-Gang Zheng, Shu-Zhen Liu, Jie Pan, Cong Zhang, Jing Bai, Jun Zhou
Proline-rich tyrosine kinase 2 (PYK2), a member of the protein tyrosine kinase family, plays an important role in various cellular processes. PYK2 can be phosphorylated on tyrosine 402 by diverse stimuli at the cell surface, and recent studies have shown that this activated form of PYK2 is enriched in oocytes and required for fertilization. However, the subcellular localization and functions of activated PYK2 in oocytes remain elusive. In this study, we demonstrate that the localization of p-PYK2 undergoes dynamic changes during in vitro maturation of mouse oocytes...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28643849/prevalence-of-exposure-of-heavy-metals-and-their-impact-on-health-consequences
#3
Kanwal Rehman, Fiza Fatima, Iqra Waheed, Muhammad Sajid Hamid Akash
Even in the current era of growing technology, the concentration of heavy metals present in drinking water is still not within the recommended limits as set by the regulatory authorities in different countries of the world. Drinking water contaminated with heavy metals namely; arsenic, cadmium, nickel, chromium, mercury, chromium, zinc and lead is becoming a major health concern for public and health care professionals. Occupational exposure to heavy metals is known to occur by the utilization of these metals in various industrial processes and/or contents including color pigments and alloys...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28639399/tp73-as1-promotes-breast-cancer-cell-proliferation-through-mir-200a-mediated-tfam-inhibition
#4
Jia Yao, Feng Xu, Danhua Zhang, Wenjun Yi, Xianyu Chen, Gannong Chen, Enxiang Zhou
P73 antisense RNA 1T (TP73-AS1 or PDAM) is a long non-coding RNA, which can regulate apoptosis through regulation of p53 signaling-related anti-apoptotic genes. An abnormal change of TP73-AS1 expression was noticed in cancers. The effects of TP73-AS1 in breast cancer (BC) growth and the underlying mechanism remain unclear so far. In the present study, the effect of TP73-AS1 in BC cell lines and clinical tumor samples was detected so as to reveal its role and function. In the present study, TP73-AS1 was specifically upregulated in BC tissues and BC cell lines and was correlated to a poorer prognosis in patients with BC...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28639322/tnf-%C3%AE-induced-nod2-and-rip2-contribute-to-the-up-regulation-of-cytokines-induced-by-mdp-in-monocytic-thp-1-cells
#5
Xiaobin Chen, Zhilin Xiao, Xiumei Xie, Xueting Liu, Manli Jiang, Chuang Yuan, Li Yang, Jinyue Hu
Nucleotide-binding oligomerization domain containing 2 (NOD2)-induced signal transduction and cytokine production is regulated by a number of factors. However, the feedback effect of the pro-inflammatory TNF-α on NOD2-induced inflammation is not fully understood. In this study, we found unexpectedly that TNF-α up-regulated NOD2 ligand MDP-induced production of the CXC chemokines, including CXCL1, 2 and 8, and the pro-inflammatory cytokines, including IL-1β, IL-6 and TNF-α, in a dose-dependent manner at both mRNA and protein levels in monocytic THP-1 cells...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636278/rna-activation-a-diamond-in-the-rough-for-genome-engineers
#6
LETTER
Luis María Vaschetto
The ability to develop efficient and versatile technologies for manipulating gene expression is a fundamental issue both in biotechnology and therapeutics. The endogenous RNA interference (RNAi) pathway which mediates gene silencing was discovered at the end of the 20th century and it is nowadays considered as an essential strategy for knockdown of specific genes and for studying gene function. Remarkably, during the past decade, a RNA-induced mechanism of gene activation has also been reported. Likewise RNAi, the RNA activation (RNAa) process is also mediated by sequence-specific double-stranded RNA (dsRNA) molecules, and interesting resemblances between both RNA-based transcriptional mechanisms have been described...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636190/uchl1-promotes-invasion-of-breast-cancer-cells-through-activating-akt-signaling-pathway
#7
Yanhong Luo, Jianfeng He, Chunlin Yang, Matthew Orange, Xingcong Ren, Nick Blair, Tao Tan, Jin-Ming Yang, Hua Zhu
As a de-ubiquitin enzyme, ubiquitin C-terminal hydrolase (UCH)-L1 has been shown to be overexpressed in several human cancers. However, the function of UCH-L1 in invasion of breast cancers is still unclear. Here we report that the expression of UCH-L1 is significantly higher in cancer cells with higher invasive ability. While ectopic UCH-L1 expression failed to alter cell proliferation in MCF-7 cells, it caused a significant upregulation of cellular invasion. Furthermore, siRNA mediated knockdown of UCH-L1 led to suppression of invasion in UCH-L1 overexpressing MCF-7 cells...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636181/identification-of-biomarkers-for-early-diagnosis-of-acute-myocardial-infarction
#8
Wen-Han Ge, Yong Lin, Sen Li, Xuefeng Zong, Zhong-Chun Ge
Acute myocardial infarction (AMI) is a common disease with serious consequences in mortality and cost. Here we aim to screen the differentially expressed genes (DEGs) as biomarkers for early diagnosis of AMI. The microarray data of AMI was downloaded from Gene Expression Omnibus (GEO), including two independent types of research GSE66360 and GSE62646. The DEGs between control and processed samples were screened out by using limma package. Meanwhile, we performed functional analysis of GO terms and/or KEGG pathways to observe the enriched pathways of the DEGs...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636115/sirna-mediated-down-regulation-of-clic4-gene-inhibits-cell-proliferation-and-accelerates-cell-apoptosis-of-mouse-liver-cancer-hca-f-and-hca-p-cells
#9
Qiu-Yun Yu, Xin-Feng Zhou, Qing Xia, Jia Shen, Jia Yan, Jiu-Ting Zhu, Xiang Li, Ming Shu
This study explored the effects involved in silencing CLIC4 on apoptosis and proliferation of mouse liver cancer Hca-F and Hca-P cells. A CLIC4-target small interfering RNA (siRNA) was designed to compound into two individual complementary oligonucleotide chains. A process of annealing and connection to a pSilencer vector was followed by transfection with Hca-F and Hca-P cells. Quantitative real-time polymerase chain reaction and western blotting techniques were used to determine CLIC4 mRNA and protein expressions...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636101/knockdown-of-lncrna-meg3-inhibits-viability-migration-and-invasion-and-promotes-apoptosis-by-sponging-mir-127-in-osteosarcoma-cell
#10
Yang Wang, Daliang Kong
Osteosarcoma (OS) is one of the most common bone malignancies and occurs almost exclusively in children and adolescents. This study aimed to explore the role of lncRNA maternally expressed gene 3 (MEG3) in OS cells growth and metastasis, and to uncover the possible underlying mechanism. In this study, the expressions of MEG3 in five OS cell lines (MG63, OS-732, SaOS, G292, and 143B) and in a human osteoblast cell line hFOB1.19 were measured by qRT-PCR analysis. The expressions of MEG3, miR-127 and ZEB1 in OS-732 cells were overexpressed or suppressed by transfection...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28636082/salvianolic-acid-b-protects-against-acute-lung-injury-by-decreasing-trpm6-and-trpm7-expressions-in-a-rat-model-of-sepsis
#11
Chu-Wei Yang, Hui Liu, Xiang-Dong Li, Shao-Guang Sui, Yu-Fei Liu
This study aimed to investigate the protective effects of salvianolic acid B (SA-B) on acute lung injury (ALI) through decreasing the expressions of channel kinase's TRPM6 and TRPM7. Wistar Septic rat models were established by lipopolysaccharide (LPS), which were separated into the control, lipopolysaccharide (LPS), SA-B, SA-B + si-TRPM6, SA-B + si-TRPM7, si-TRPM6 and si-TRPM7 groups. Arterial blood gas, protein content, total white blood cell (WBC) count and the percentage of polymorphonuclear neutrophils (PMN%) were measured...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28628251/a-network-meta-analysis-of-short-and-long-term-efficacy-of-targeted-therapy-with-single-or-double-drug-regimens-in-the-treatment-of-stage-iii-iv-malignant-melanoma-based-on-16-randomized-controlled-trials
#12
Ting Xie, Chun-Yu Huang, Xu Kang, Jia-Sheng Luo, Xiao-Min Qin, Feng Han
For the treatment of stage III/IV malignant melanoma (MM), a network meta-analysis (NMA) was conducted to compare the short and long-term efficacy of targeted therapy with single or double-drug regimens. All conducted randomized controlled trials (RCTs) searched from PubMed and Cochrane Library were included in the study for direct and indirect comparison for MM. The odds ratio (OR) and surface under the cumulative ranking curves (SUCRA) value of the targeted therapy with single or double-drug regimens for treatment of stage III/IV MM were also analyzed...
June 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28628234/tumor-targeting-salmonella-typhimurium-a1-r-promotes-tumoricidal-cd8-t-cell-tumor-infiltration-and-arrests-growth-in-a-syngeneic-pancreatic-cancer-orthotopic-mouse-model
#13
Takashi Murakami, Yukihiko Hiroshima, Yong Zhang, Ming Zhao, Tasuku Kiyuna, Ho Kyoung Hwang, Kentaro Miyake, Yuki Homma, Ryutaro Mori, Ryusei Matsuyama, Takashi Chishima, Yasushi Ichikawa, Kuniya Tanaka, Michael Bouvet, Itaru Endo, Robert M Hoffman
The present study determined the effect of tumor-targeting Salmonella typhimurium (S. typhimurium) A1-R on CD8(+) tumor-infiltrating lymphocytes (TILs) in a syngeneic pancreatic cancer orthotopic mouse model. The effect of tumor-targeting Salmonella typhimurium A1-R on CD8(+) TILs was determined on Pan02 murine pancreatic adenocarcinoma cells implanted orthotopically on the pancreatic tail of C57BL/6 mice. Three weeks after orthotopic implantation, mice were randomized into G1: untreated control group (n = 8); and G2: Salmonella typhimurium A1-R treatment group (n = 8, 1 × 10(7) CFU/body, iv, weekly, 3 weeks)...
June 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28621436/development-of-a-cell-based-gene-therapy-approach-to-selectively-turn-off-bone-formation
#14
Pedro Alvarez-Urena, Banghe Zhu, Gabrielle Henslee, Corinne Sonnet, Eleanor Davis, Eva Sevick-Muraca, Alan Davis, Elizabeth Olmsted-Davis
Cell and gene therapy approaches are safer when they possess a system that enables the therapy to be rapidly halted. Human mesenchymal stem cells were transduced with an adenoviral vector containing the cDNA for bone morphogenetic protein 2 (AdBMP2) to induce bone formation. To make this method safer, a system to quickly kill these virally transduced cells was designed and evaluated. Cells were encapsulated inside poly(ethylene glycol) diacrylate (PEG-Da) hydrogels that are able to shield the cells from immunological destruction...
June 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28618057/the-role-of-serum-high-mobility-group-box-1-and-interleukin-6-levels-in-acute-pancreatitis-a-meta-analysis
#15
Nuo Li, Bao-Ming Wang, Shuang Cai, Peng-Liang Liu, Yan-Hui Wen
The purpose of this meta-analysis was to comprehensively investigate the correlation between high mobility group box 1 (HMGB1) and interleukin-6 (IL-6) in relation to acute pancreatitis. A highly regulated exploration of various electronic databases, supplemented by manual searching methods, was performed in an attempt to identify pertinent articles of a useful nature. Subsequently, high-quality cohort studies that were deemed to comply with the arduous inclusion and exclusion criteria were selected for our meta-analysis...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28618050/different-porosities-of-chitosan-can-influence-the-osteogenic-differentiation-potential-of-stem-cells
#16
Abdolreza Ardeshirylajmi, Mahdieh Delgoshaie, Samaneh Mirzaei, Arash Khojasteh
Scaffolds porosity has an important role in in vitro and in vivo differentiation process of stem cells with given the amount of space available to the cells to proliferate and differentiate. In the present study, chitosan with three porosities including 10, 15 and 20% that created by gelatin were used for investigation of the proliferation and osteogenic differentiation potential of adipose-derived stem cells (ADSCs). In order to be more like the scaffold to natural bone tissue, freeze-drying method was used in the scaffold preparation...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28618048/transcriptomic-profiling-in-human-decidua-of-severe-preeclampsia-detected-by-rna-sequencing
#17
Jing Tong, Weixiu Zhao, Hong Lv, Wei-Ping Li, Zi-Jiang Chen, Cong Zhang
Maternal decidua plays a critical role in implantation and placentation. Impaired decidualization causes failed intravascular trophoblast invasion and inadequate placentation and then increases the risk of preeclampsia (PE). RNA sequencing (RNA-Seq) has achieved great advances in the characterization and quantification of transcriptomes, is a powerful tool for new transcript discovery, genome annotation and expression profiling. In the present study, we conducted a RNA-Seq analysis to compare gene expression between decidua of PE (n = 3, early-onset severe PE, EOSPE; n = 3, late-onset severe PE, LOSPE) and normal pregnancies (n = 3)...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28618041/effect-of-various-ratios-of-co-cultured-atdc5-cells-and-chondrocytes-on-the-expression-of-cartilaginous-phenotype-in-microcavitary-alginate-hydrogel
#18
Yongchang Yao, Yuyang Huang, Dongyang Qian, Shujiang Zhang, Yi Chen, Bo Bai
The present study introduced a direct co-culture of mouse ATDC5 cells and primary porcine chondrocytes into a microcavitary hydrogel, which possessed advantages in promoting the growth of chondrocytes and retaining the phenotype. These two types of cells were encapsulated with gelatin microspheres in alginate hydrogels in either of the three ratios (3:1, 1:1, or 1:3 of ATDC5 cells to chondrocytes) and cultured in chondrogenic medium for 28 days. Simultaneously, the single encapsulation of ATDC5 cells or chondrocytes was set as a control...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28618037/hydrogen-peroxide-stimulates-exosomal-cathepsin-b-regulation-of-the-receptor-for-advanced-glycation-end-products-rage
#19
Charles A Downs, Viet D Dang, Nicholle M Johnson, Nancy Denslow, Abdel A Alli
Exosomes are nano-sized vesicles that are secreted into the extracellular environment. These vesicles contain various biological effector molecules that can regulate intracellular signaling pathways in recipient cells. The aim of this study was to examine a correlation between exosomal cathepsin B activity and the receptor for advanced glycation end-products (RAGE). Type 1 alveolar epithelial (R3/1) cells were treated with or without hydrogen peroxide and exosomes isolated from the cell conditioned media were characterized by NanoSight analysis...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28612427/simulation-based-investigation-of-deleterious-nssnp-s-in-atxn2-gene-and-its-structural-consequence-towards-spinocerebellar-ataxia
#20
Siddharth Sinha, Sharad Verma, Aditi Singh, Pallavi Somvanshi, Abhinav Grover
Spinocerebellar degeneration, termed as ataxia is a neurological disorder of central nervous system, characterized by limb in-coordination and a progressive gait. The patient also demonstrates specific symptoms of muscle weakness, slurring of speech, and decreased vibration senses. Expansion of polyglutamine trinucleotide (CAG) within ATXN2 gene with 35 or more repeats, results in spinocerebellar ataxia type-2. Protein ataxin-2 coded by ATXN2 gene has been reported to have a crucial role in translation of the genetic information through sequestering the histone acetyl transferases (HAT) resulting in a state of hypo-acetylation...
June 14, 2017: Journal of Cellular Biochemistry
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