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Journal of Cellular Biochemistry

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https://www.readbyqxmd.com/read/28731278/knockdown-of-long-non-coding-rna-meg3-protects-h9c2-cells-from-hypoxia-induced-injury-by-targeting-microrna-183
#1
Licheng Gong, Haiming Xu, Hong Chang, Yaliang Tong, Tao Zhang, Gongliang Guo
Acute myocardial infarction (AMI) occurs when blood supply to the heart is diminished (ischemia) for long time, and ischemia is primarily caused due to hypoxia. This study evaluated the effects of long non-coding RNA maternally expressed gene 3 (MEG3) on hypoxic rat cardiomyocyte-drived H9c2 cells. Hypoxic injury was confirmed by alterations of cell viability, migration, invasion, apoptosis and hypoxia-inducible factor 1α (HIF-1α) expression. MEG3 level in hypoxic cells and effects of its knockdown on hypoxic cells were assessed...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28731226/curcumin-converts-foxp3-regulatory-t-cells-to-t-helper-1-cells-in-patients-with-lung-cancer
#2
JianYong Zou, ChunHua Su, HongHe Luo, YiYan Lei, Bo Zeng, HaoShuai Zhu, ZhenGuang Chen
The regulatory T cells (Treg) play an important role in the tumor tolerance. The methods to regulate the Treg population in cancer-bearing hosts are limited currently. The effect of curcumin on inhibiting cancer has been recognized, but the mechanism remains elusive. This study tests a hypothesis that administration of curcumin down regulates Tregs in lung cancer (LC) patients. In this study, a group of LC patients was treated with curcumin. The peripheral Tregs and T helper (Th) 1 cells were analyzed by flow cytometry...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28731223/neferine-modulates-igf-1r-nrf2-signaling-in-doxorubicin-treated-h9c2-cardiomyoblasts
#3
Lohanathan Bharathi Priya, Rathinasamy Baskaran, Chih-Yang Huang, Viswanadha Vijaya Padma
Doxorubicin (DOX) induced cardiotoxicity is a major problem during chemotherapy of cancers. DOX-mediated suppression of type 1 IGF receptor (IGF-1R) signaling leads to cardiac dysfunction. Neferine, a bisbezylisoquinoline alkaloid from the seed embryos of Nelumbo nucifera Gaertn possesses a distinct range of pharmacological properties. Herewith, the present study attempts to elucidate the protective role of neferine against DOX induced toxicity in H9c2 rat cardiomyoblast cell line model. DOX-treated H9c2 cells significantly increased mitochondrial superoxide generation, depleted cellular antioxidant status, suppressed the activation of IGF-1R signaling via PI3K/Akt/mTOR and induced autophagy by the activation of ULK1, Beclin1, Atg7 and LC3B...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28731201/a-technological-and-regulatory-outlook-on-crispr-crop-editing
#4
Rea Globus, Udi Qimron
Generating plants with increased yields while maintaining low production and maintenance costs is highly important since plants are the major food source for humans and animals, as well as important producers of chemicals, pharmaceuticals, and fuels. Gene editing approaches, particularly the CRISPR-Cas system, are the preferred methods for improving crops, enabling quick, robust, and accurate gene manipulation. Nevertheless, new breeds of genetically-modified crops have initiated substantial debates concerning their biosafety, commercial use, and regulation...
July 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28727228/actin-gamma-1-a-new-skin-cancer-pathogenic-gene-identified-by-the-biological-feature-based-classification
#5
Xinqian Dong, Yingsheng Han, Zhen Sun, Junlong Xu
Skin cancer is the most common form of cancer that accounting for at least 40% of cancer cases around the world. This study aimed to identify skin cancer-related biological features and predict skin cancer candidate genes by employing machine learning based on biological features of known skin cancer genes. The known skin cancer-related genes were fetched from database and encoded by the enrichment scores of gene ontology and pathways. The optimal features of the skin cancer related genes were selected with a series of feature selection methods, such as mRMR, IFS, and Random Forest algorithm...
July 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28727188/mir-21-a-key-player-in-glioblastoma-pathogenesis
#6
Mohammad Sadegh Masoudi, Emadodin Mehrabian, Hamed Mirzaei
Glioblastoma multiform (GBM) is one of common cancers worldwide which has high rate among various populations. Despite serious efforts worldwide, GBM remains a deadly disease which is associated with poor prognosis. Multiple lines evidence indicated that deregulation of a variety of cellular and molecular pathways are related with GBM pathogenesis. Among of various targets involved in GBM pathogenesis, microRNAs (miRNAs) have been emerged as targets which deregulation of them are related with various stages of GBM...
July 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722829/megakaryocytes-enhance-mesenchymal-stromal-cells-proliferation-and-inhibit-differentiation
#7
Arbi M Emmakah, Hussain E Arman, Marta B Alvarez, Paul J Childress, Joseph P Bidwell, William S Goebel, Tien-Min Gabriel Chu, Melissa A Kacena
Megakaryocytes (MKs) can induce proliferation of calvarial osteoblasts [Ciovacco et al., 2009], but this same phenomenon has not been reported for bone marrow stromal populations from long bones. Bone marrow contains several types of progenitor cells which can be induced to differentiate into multiple cell types. Herein, we examined mesenchymal stromal cell proliferation and osteoblastic differentiation when rabbit or mouse MK were cultured with i) rabbit bone marrow stromal cells, ii) rabbit dental pulp stromal cells, or iii) mouse bone marrow stromal cells...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722826/inflammatory-profile-in-x-linked-adrenoleukodystrophy-patients-understanding-disease-progression
#8
Desirèe Padilha Marchetti, Bruna Donida, Carlos Eduardo Jacques, Marion Deon, Tatiane Cristina Hauschild, Patricia Koehler-Santos, Daniella de Moura Coelho, Adriana Simon Coitinho, Laura Bannach Jardim, Carmen Regla Vargas
X-linked adrenoleukodystrophy (X-ALD) is an inherited disease characterized by progressive inflammatory demyelization in the brain, adrenal insufficiency and an abnormal accumulation of very long chain fatty acids (VLCFA) in tissue and body fluids. Considering that inflammation might be involved in pathophysiology of X-ALD, we aimed to investigate pro and anti-inflammatory cytokines in plasma from three different male phenotypes (CCER, AMN and asymptomatic individuals). Our results showed that asymptomatic patients presented increased levels of pro-inflammatory cytokines IL-1β, IL-2, IL-8 and TNF-α and the last one was also higher in AMN phenotype...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#9
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722783/the-association-of-the-placental-mthfr-3-utr-polymorphisms-promoter-methylation-and-mthfr-expression-with-preeclampsia
#10
Abbas Mohammadpour-Gharehbagh, Batool Teimoori, Mehrnaz Narooei-Nejad, Mehrnaz Mehrabani, Ramin Saravani, Saeedeh Salimi
Preeclampsia (PE) is a pregnancy specific complication arises in presence of the placenta and disappears immediately after delivery. Therefore, the aim of the present study was to investigate the possible effects of the placental 3'-UTR rs1537514C>G and rs4846049 C>A polymorphisms and DNA methylation of the MTHFR gene on the MTHFR mRNA expression. The placenta of 74 PE pregnant women and 75 normotensive pregnant women were collected after delivery. The methylation status of the MTHFR promoter was assessed with Methylation Specific PCR(MSP)...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722778/breast-cancer-stem-cells-are-involved-in-trastuzumab-resistance-through-the-her2-modulation-in-3d-culture
#11
Cristina Elisa Rodríguez, Damian Emilio Berardi, Marianela Abrigo, Laura Beatriz Torado, Elisa Dora Bal de Kier Joffé, Gabriel León Fiszman
Breast cancer human cells culture as spheroids develop autophagy and apoptosis, which promotes Trastuzumab resistance in HER2 overexpressing cells. Our aim was to study the association of the hostile environment developed in 3D with the breast cancer stem cells population and the HER2 modulation. Human mammary adenocarcinoma cell lines were cultured as spheroids using the hanging drop method. We generated hypoxia conditions by using a hypoxic chamber and CoCl2 treatment. Breast cancer stem cells were measured with mammosphere assays, the analysis of CD44 + CD24(low) population by flow cytometry and the pluripotent gene expression by RT-qPCR...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722268/downregulation-of-microrna-15a-3p-is-correlated-with-clinical-outcome-and-negatively-regulates-cancer-proliferation-and-migration-in-human-osteosarcoma
#12
Jiyuan Shi, Qiang Fu, Pei Yang, Huitong Liu, Le Ji, Kunzheng Wang
BACKGROUND: In this study, we investigated the expression, correlation to clinical outcomes and biological functions of microRNA-15a-3p (miR-15a-3p) in human osteosarcoma. METHODS: MiR-15a-3p expressions in osteosarcoma cell lines and clinical tissues of osteosarcoma patients were measured by qPCR. Relevance of endogenous miR-15a-3p to osteosarcoma patients' clinicopathological factors or overall survival was statistically analyzed. In addition, the independence of miR-15a-3p predicting cancer patients' overall survival was analyzed by Cox regression method...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722223/the-role-of-%C3%AE-adrenergic-receptors-and-p38mapk-signaling-pathways-in-physiological-processes-of-cardiosphere-derived-cells
#13
Wen-Bo Zhang, Yun-Qi Liu, Xi Zhang, Lin Lin, Sheng-Li Yin
The effects of β adrenergic receptors (β-ARs) and p38 mitogen-activated protein kinases (MAPK) pathways on cardiosphere-derived cells (CDCs) are largely unknown. This study aimed to investigate the roles of β-ARs and p38MAPK pathways on the proliferation, apoptosis and differentiation capacity of CDCs. The CDCs were treated with β1-AR blocker (Met group), β2-AR antagonist (ICI group) and p38MAPK inhibitor (SB group), nonselective β-AR blocker (PRO group), and β-AR agonist (ISO group). The viability, apoptotic rate and differentiation status of CDCs were determined by MST-1 assay, flow cytometery, and Western blot, respectively...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722178/cdk9-a-key-player-in-cancer-and-other-diseases
#14
Lia Carolina Franco, Fátima Morales, Silvia Boffo, Antonio Giordano
Cyclin-Dependent Kinase 9 (CDK9) is part of a functional diverse group of enzymes responsible for cell cycle control and progression. It associates mainly with Cyclin T1 and forms the Positive Transcription Elongation Factor b (p-TEFb) complex responsible for regulation of transcription elongation and mRNA maturation. Recent studies have highlighted the importance of CDK9 in many relevant pathologic processes, like cancer, cardiovascular diseases and viral replication. Herein we provide an overview of the different pathways in which CDK9 is directly and indirectly involved...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722177/metformin-induced-alterations-in-nucleotide-metabolism-cause-5-fluorouracil-resistance-but-gemcitabine-susceptibility-in-oesophageal-squamous-cell-carcinoma
#15
Charissa Mynhardt, Leonard Howard Damelin, Rupal Jivan, Jade Peres, Sharon Prince, Robin Bruce Veale, Demetra Mavri-Damelin
5-Fluorouracil (5-FU) is a chemotherapeutic agent used to treat a variety of gastric cancers including oesophageal squamous cell carcinoma (OSCC), for which the 5-year mortality rate exceeds 85%. Our study investigated the effects of metformin, an antidiabetic drug with established anti-cancer activity, in combination with 5-FU as a novel chemotherapy strategy, using the OSCC cell lines, WHCO1 and WHCO5. Our results indicate that metformin treatment induces significant resistance to 5-FU in WHCO1 and WHCO5 cells, by more than 5-fold and 6-fold respectively, as assessed by MTT assay...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28708322/ganglioside-gm3-suppresses-lipopolysaccharide-induced-inflammatory-responses-in-raw-264-7-macrophage-cells-through-nf-%C3%AE%C2%BAb-ap-1-and-mapks-signaling
#16
Junyoung Park, Choong-Hwan Kwak, Sun-Hyung Ha, Kyung-Min Kwon, Fukushi Abekura, Seung-Hak Cho, Young-Chae Chang, Young-Choon Lee, Ki-Tae Ha, Tae-Wook Chung, Cheorl-Ho Kim
Gangliosides are known to specifically inhibit vascular leukocyte recruitment and consequent interaction with the injured endothelium, the basic inflammatory process. In this study, we have found that the production of nitric oxide (NO), a main regulator of inflammation, is suppressed by GM3 on murine macrophage RAW264.7 cells, when induced by LPS. In addition, GM3 attenuated the increase in cyclooxyenase-2 (COX-2) protein and mRNA levels in lipopolysaccharide (LPS)-activated RAW 264.7 cells in a dose-dependent manner...
July 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28708313/human-biliverdin-reductase-regulates-the-molecular-mechanism-underlying-cancer-development
#17
Min Zhang, Wei Xin, Zhi Yi, Yue Li, Ying Liu, Hongyue Zhang, He Chen, Xinxin Chen, Shujie Tan, Daling Zhu
Human biliverdin reductase (hBVR), is an enzyme, that converts biliverdin to bilirubin, and has been implicated in epithelial-mesenchymal transition?EMT? in breast cancer. However, few studies have investigated the role of hBVR in cell apoptosis in other cancers. Therefore, the aim of this study was to investigate the effects of hBVR in several lines of cancer cells. The results of this study showed that hBVR expression was up-regulated in breast, lung, and liver cancers, but not ovarian cancer. Moreover, hBVR inhibition by small interfering RNA (si-hBVR) attenuated cell survival and increased caspase-3 protein expression, which was mediated by the ERK1/2 signaling pathway in relative cancer cells...
July 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28708307/evaluation-of-short-term-effectiveness-of-eight-targeted-agents-combined-with-chemotherapy-for-treating-esophageal-gastric-junction-adenocarcinoma-a-network-meta-analysis
#18
Yong-Ming He, Chen Yu, Wei-Bing Li, Zhi-Peng Li, Nan Xu
This study aimed to evaluate the short-term effectiveness of eight targeted agents (ramucirumab, bevacizumab, rilotumumab, panitumumab, cetuximab, trebananib, trastuzumab, matuzumab) plus chemotherapy in esophageal-gastric junction adenocarcinoma (EGJA) by a network meta-analysis (NMA). PubMed, Embase, and Cochrane Library databases were systematically retrieved for randomized clinical trials (RCTs) concerning targeted agents plus chemotherapy in the treatment of EGJA. This NMA combined both direct and indirect evidence to evaluate odds ratio (OR) and to draw the surface under the cumulative ranking curve (SUCRA)...
July 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28708282/the-mechanism-of-long-non-coding-rna-meg3-for-hepatic-ischemia-reperfusion-mediated-by-mir-34a-nrf2-signaling-pathway
#19
Xinli Huang, Yun Gao, Jianjie Qin, Sen Lu
OBJECTIVE: To investigate the function of MEG3 in hepatic ischemia-reperfusion (HIR) progress, involving its association with the level of miR-34a during hypoxia-induced hypoxia re-oxygenation (H/R) in vitro. METHODS: HIR mice model in vivo was established.MEG3 , miR-34a expression, along with Nrf2 mRNA and protein level were detected in tissues and cells. Serum biochemical parameters (ALT and AST) were assessed in vivo. A potential binding region between MEG3 and miR34a was confirmed by luciferase assays...
July 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28703940/ebselen-impairs-cellular-oxidative-state-and-induces-endoplasmic-reticulum-stress-and-activation-of-crucial-mitogen-activated-protein-kinases-in-pancreatic-tumour-ar42j-cells
#20
Patricia Santofimia-Castaño, Alicia Izquierdo-Alvarez, María Plaza-Davila, Antonio Martinez-Ruiz, Miguel Fernandez-Bermejo, Jose M Mateos-Rodriguez, Gines M Salido, Antonio Gonzalez
Ebselen (2-phenyl-1,2-benzisoselenazol-3(2H)-one) is an organoselenium radical scavenger compound, which has strong antioxidant and anti-inflammatory effects. However, evidence suggests that this compound could exert deleterious actions on cell physiology. In this study we have analyzed the effect of ebselen on rat pancreatic AR42J cells. Cytosolic free-Ca2(+) concentration ([Ca(2+) ]c ), cellular oxidative status, setting of endoplasmic reticulum stress and phosphorylation of major mitogen-activated protein kinases were analyzed...
July 13, 2017: Journal of Cellular Biochemistry
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