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https://www.readbyqxmd.com/read/29236333/effect-and-mechanism-of-lncrna-hotair-on-occurrence-and-development-of-gastric-cancer
#1
Xuan Feng, Suiping Huang
OBJECTIVE: In this study, we aimed at looking for the lncRNA abnormally expressed in gastric cancer (GC) tissues, and analyzing the association of its expression level with the clinicopathological feature and patient prognosis. The biological function of this lncRNA in occurrence and development of GC was studied in vivo and in vitro. The underlying molecular mechanism was further discussed. METHODS: We investigated the lncRNA expression level in GC tissues and normal gastric mucosa tissues by lncRNA chips analysis...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236326/knockdown-of-ski-decreased-the-reactive-astrocytes-proliferation-in-vitro-induced-by-oxygen-glucose-deprivation-reoxygenation
#2
Xin Zhao, Kai-Sheng Zhou, Zhong-Hao Li, Wei Nan, Jing Wang, Ya-Yi Xia, Hai-Hong Zhang
Glia scar is a pathological marker in late phase of brain ischemia disease, which constitutes a major physical biochemical barrier to impede axonal regrowth. Astrocytes are known to be critically involved in the formation of glial scar. However, their response to ischemia and their role in neuroprotection after central nervous system (CNS) injury are not completely clear. Recently, we have demonstrated for the first time that Ski was up-regulated in reactive astrocytes after spinal cord injury in vivo and in vitro, which indicates Ski may be a new molecule that control astrocytes biologic properties after CNS injury...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236324/silencing-of-phospholipase-c-gamma-2-promotes-proliferation-of-rat-hepatocytes-in-vitro
#3
Xiaoguang Chen, Xuemin Zhu, Yumei Liu, Qiongxia Lv, Jun Ma
The management of hepatic failure is undoubtedly difficult, and poor results have led to the search for novel therapeutic approaches. Nowadays, anti-apoptotic gene therapy is considered as an ideal approach. It has been proved that phospholipase Cγ2 (PLCγ2) is involved in the apoptosis of immune cells and tumor cells; however, whether this gene is related to hepatocyte death is still unclear. This study examined the role of PLCγ2 by inhibiting its expression in rat hepatocytes with siRNA. We also further analyzed the cellular mechanism by which the expression inhibition of PLCγ2 induces cell death...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236315/lnc-rna-snhg20-participated-in-proliferation-invasion-and-migration-of-breast-cancer-cells-via-mir-495
#4
Yan-Xing Guan, Zhan-Min Zhang, Xue-Zhong Chen, Qing Zhang, Shao-Zheng Liu, Yong-Lu Zhang
OBJECTIVE: To explore the mechanism of lnc SNHG20 in the regulation of proliferation, invasion and migration of breast cancer cells. MATERIALS AND METHODS: mRNA levels of SNHG20, miR-495 and HER2 were detected by qRT-PCR. Protein level of HER2 was measured by Western blot. Cell proliferation, invasion and migration were detected by CCK-8 assay, Boyden chamber assay and Transwell assay. The combination between SNHG20 and miR-495 was confirmed by RNA pull down assay...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236308/database-of-transcription-factors-in-lung-cancer-dbtflc-a-novel-resource-for-exploring-transcription-factors-associated-with-lung-cancer
#5
A Thabitha, Ameya Athul Dravid, Riya Tripathi, S Sajitha Lulu
Lung cancer is considered as the most prevalent form of cancer and it is found to be frequent cause of cancer related death. Even though, approved molecular targeted therapies other than chemotherapy are currently unavailable, the mechanism of pathogenesis in lung cancer remains still unclear. Transcription factors (TFs) play a critical role in cancer cell processes, such as cell proliferation, apoptosis, migration, and regulate gene expression. Thus, the identification and characterization of transcription factors involved in lung cancer would provide valuable information for further elucidation of the mechanism(s) underlying pathogenesis and the identification of potential therapeutic target types, which are critical for the development of therapeutic strategies...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236166/correction-to-expression-of-matrix-metalloproteinase-12-is-highly-specific-for-non-proliferating-invasive-trophoblasts-in-the-first-trimester-and-temporally-regulated-by-oxygen-dependent-mechanisms-including-hif-1a
#6
Ursula Hiden, Christian P Eyth, Alejandro Majali-Martinez, Gernot Desoye, Carmen Tam-Amersdorfer, Berthold Huppertz, Nassim Ghaffari Tabrizi-Wizsy
In the original publication, the contribution of Dr. Christian Eyth as equal first author was not indicated. This has been corrected confirming that U. Hidden and C. Eyth contributed equally to this work.
December 13, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29236117/liquid-crystal-elastomer-foams-with-elastic-properties-specifically-engineered-as-biodegradable-brain-tissue-scaffolds
#7
M E Prévôt, H Andro, S L M Alexander, S Ustunel, C Zhu, Z Nikolov, S T Rafferty, M T Brannum, B Kinsel, L T J Korley, E J Freeman, J A McDonough, R J Clements, E Hegmann
Tissue regeneration requires 3-dimensional (3D) smart materials as scaffolds to promote transport of nutrients. To mimic mechanical properties of extracellular matrices, biocompatible polymers have been widely studied and a diverse range of 3D scaffolds have been produced. We propose the use of responsive polymeric materials to create dynamic substrates for cell culture, which goes beyond designing only a physical static 3D scaffold. Here, we demonstrated that lactone- and lactide-based star block-copolymers (SBCs), where a liquid crystal (LC) moiety has been attached as a side-group, can be crosslinked to obtain Liquid Crystal Elastomers (LCEs) with a porous architecture using a salt-leaching method to promote cell infiltration...
December 13, 2017: Soft Matter
https://www.readbyqxmd.com/read/29236090/novel-hydrogel-advanced-modified-clay-nanocomposites-as-possible-vehicles-for-drug-delivery-and-controlled-release
#8
Raluca Ianchis, Claudia M Ninciuleanu, Ioana C Gifu, Elvira Alexandrescu, Raluca Somoghi, Augusta R Gabor, Silviu Preda, Cristina L Nistor, Sabina Nitu, Cristian Petcu, Madalina Icriverzi, Paula E Florian, Anca M Roseanu
Present study refers to the synthesis of new advanced materials based on poly(methacrylic acid) (PMAA) with previously reported own advanced modified clays by edge covalent bonding. This will create the premises to obtain nanocomposite hydrogels with combined hydrophilic-hydrophobic behavior absolutely necessary for co-delivery of polar/nonpolar substances. For the synthesis, N,N'-methylenebisacrylamide was used as cross-linker and ammonium persulphate as initiator. As a consequence of the inclusion of clay into the polymer matrix and the intercalation of PMAA between the layers as well as the presence of hydrophobic interactions occurred between partners, the final hydrogel nanocomposites possessed greater swelling degrees, slower de-swelling process and enhanced mechanical properties depending on the clay type in comparison with pure hydrogel...
December 13, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29236059/the-toxicity-of-nanoparticles-depends-on-multiple-molecular-and-physicochemical-mechanisms
#9
REVIEW
Yue-Wern Huang, Melissa Cambre, Han-Jung Lee
Nanotechnology is an emerging discipline that studies matters at the nanoscale level. Eventually, the goal is to manipulate matters at the atomic level to serve mankind. One growing area in nanotechnology is biomedical applications, which involve disease management and the discovery of basic biological principles. In this review, we discuss characteristics of nanomaterials, with an emphasis on transition metal oxide nanoparticles that influence cytotoxicity. Identification of those properties may lead to the design of more efficient and safer nanosized products for various industrial purposes and provide guidance for assessment of human and environmental health risk...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29236054/genome-wide-profiling-of-small-rnas-and-degradome-revealed-conserved-regulations-of-mirnas-on-auxin-responsive-genes-during-fruit-enlargement-in-peaches
#10
Mengya Shi, Xiao Hu, Yu Wei, Xu Hou, Xue Yuan, Jun Liu, Yueping Liu
Auxin has long been known as a critical phytohormone that regulates fruit development in plants. However, due to the lack of an enlarged ovary wall in the model plants Arabidopsis and rice, the molecular regulatory mechanisms of fruit division and enlargement remain unclear. In this study, we performed small RNA sequencing and degradome sequencing analyses to systematically explore post-transcriptional regulation in the mesocarp at the hard core stage following treatment of the peach (Prunus persica L.) fruit with the synthetic auxin α-naphthylacetic acid (NAA)...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29236027/simvastatin-inhibits-cell-proliferation-and-migration-in-human-anaplastic-thyroid-cancer
#11
Mei-Chieh Chen, Yuan-Chin Tsai, Jen-Ho Tseng, Jr-Jiun Liou, Steve Horng, Heng-Ching Wen, Yu-Ching Fan, Wen-Bin Zhong, Sung-Po Hsu
Malignant human anaplastic thyroid cancer (ATC) is pertinacious to conventional therapies. The present study investigated the anti-cancer activity of simvastatin and its underlying regulatory mechanism in cultured ATC cells. Simvastatin (0-20 μM) concentration-dependently reduced cell viability and relative colony formation. Depletions of mevalonate (MEV) and geranylgeranyl pyrophosphate (GGpp) by simvastatin induced G1 arrest and increased apoptotic cell populations at the sub-G1 phase. Adding MEV and GGpp prevented the simvastatin-inhibited cell proliferation...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29235568/aldh1a3-affects-colon-cancer-in-vitro-proliferation-and-invasion-depending-on-cxcr4-status
#12
Hailiang Feng, Yanyan Liu, Xiaocui Bian, Fangying Zhou, Yuqin Liu
BACKGROUND: Aldehyde dehydrogenase (ALDH) has been widely used as a marker of cancer stem cells (CSCs). However, the ALDH family includes 19 members, and the most relevant isoforms and their biological functions in cancer biology are still controversial. METHODS: We examined ALDH enzyme activity and the mRNA expression of 19 ALDH members in 58 human cell lines. The biological effect and mechanism of knocking down ALDH1A3 with siRNA and shRNA in cell lines were explored...
December 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29235378/the-hexane-fraction-of-bursera-microphylla-a-gray-induces-p21-mediated-anti-proliferative-and-pro-apoptotic-effects-in-human-cancer-derived-cell-lines
#13
Sabrina Adorisio, Alessandra Fierabracci, Giulia Gigliarelli, Isabella Muscari, Lorenza Cannarile, Anna Marina Liberati, Maria Carla Marcotullio, Carlo Riccardi, Massimo Curini, Ramon Enrique Robles Zepeda, Domenico V Delfino
Bursera microphylla (BM), one of the common elephant trees, is widely distributed in the Sonoran Desert in Mexico. The Seri ethnic group in the Sonoran Desert uses BM as an anti-inflammatory and painkiller drug for the treatment of sore throat, herpes labialis, abscessed tooth, and wound healing. Dried stems and leaves of BM are used in a tea to relieve painful urination and to stimulate bronchial secretion. Furthermore, BM is used for fighting venereal diseases. To investigate the effects of the hexane fraction of resin methanol extract (BM-H) on cell growth, the acute myeloid cell line (OCI-AML3) was treated with 250, 25, or 2...
March 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/29235276/-anti-tumor-target-identification-and-molecular-mechanism-study-of-total-saponins-from-albizia-julibrissin
#14
Yi Qian, Qing-Hua Han, Dan Liu, Peng-Fei Tu, Ke-Wu Zeng, Hong Liang
Dried stem bark from Albizia julibrissin(AJ) is a common traditional Chinese herb with several therapy effects including insomnia, anxiety and anti-tumor. Recently, the anti-tumor effect and mechanism studies of AJ have drawn much attention; however, there are still some troubles in chemical composition separation, which leads to the difficulties in pharmacological research of AJ. In this study, we firstly confirmed the proliferation inhibitory effect of total saponins from AJ(TSAJ)on human hepatocarcinoma(HepG2) cells, and also tested the apoptosis induction effect of TSAJ...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29235275/-identification-and-function-analysis-of-neuroprotective-targets-group-of-modified-wuzi-yanzong-pill
#15
Ke-Wu Zeng, Yan-Jun Wan, Li-Xi Liao, Kun Jiang, Xue-Mei Wang, Lian-Ying Liu, Peng-Fei Tu
Targets group identification in complex Chinese medicine system is a key step for revealing the potential mechanism of Chinese medicine. The solid beads with magnetic core and benzophenone-modified surface were made in our study, and then benzophenone was activated and cross-linked with the C-H bonds of chemical compositions in Chinese medicines under UV excitation. Thus the chemical compositions of modified Wuzi Yanzong pill(MWP) were linked to the solid bead surface, and enriched the neuroprotective targets group of MWP after being co-incubated with nerve cell lysate...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29234951/zinc-finger-transcription-factor-odd-skipped-related-1-regulates-cranial-bone-formation
#16
Shinji Kawai, Masashi Yamauchi, Atsuo Amano
Knowledge of the molecular mechanisms of bone formation has been advanced by novel findings related to genetic control. Odd-skipped related 1 (Osr1) is known to play important roles in embryonic, heart, and urogenital development. To elucidate the in vivo function of Osr1 in bone formation, we generated transgenic mice overexpressing full-length Osr1 under control of its 2.8-kb promoter, which were smaller than their wild-type littermates. Notably, abnormalities in the skull of Osr1 transgenic mice were revealed by analysis of X-ray, skeletal preparation, and morphological findings, including round skull and cranial dysraphism...
December 12, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29234621/neonatal-exposure-to-6-n-propyl-thiouracil-an-anti-thyroid-drug-alters-expression-of-hepatic-dna-methyltransferases-methyl-cpg-binding-proteins-gadd45a-p53-and-pcna-in-adult-male-rats
#17
Suresh Kumar Bunker, Jagneshwar Dandapat, Gagan B N Chainy, Sunil Kumar Sahoo, Prabhat Kumar Nayak
Background: Neonatal 6-n-propyl-2-thiouracil (PTU) exposure to male rats is reported to impair liver function in adulthood. However, the mechanism by which the drug impairs liver function is not well known. Objectives: The objectives of the study were to investigate the effects of neonatal exposure of PTU on the expression of DNA methyltransferases (DNMTs), methyl-DNA binding proteins (MBDs), Gadd45a, p53, and proliferating cell nuclear antigen (PCNA) in adult rat liver...
November 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/29234486/jnk-signaling-a-multiplexing-hub-in-programmed-cell-death
#18
REVIEW
Danny N Dhanasekaran, E Premkumar Reddy
Jun N-terminal kinases or JNKs have been shown to be involved in a wide array of signaling events underlying tumorigenesis and tumor progression. Through its interaction with a diverse set of signaling proteins and adaptors, JNKs regulate cell proliferation, invasive migration, therapy resistance, and programmed cell death. JNKs have been shown to play a role in apoptotic as well as non-apoptotic programmed cell death mechanisms including those of necroptosis, ferroptosis, pyroptosis, and autophagy. Most of the tumorigenic regulatory functions of JNKs can be related to their ability to module cell death via these programmed cell death mechanisms...
September 2017: Genes & Cancer
https://www.readbyqxmd.com/read/29234375/kidney-replenishing-herb-induces-socs-3-expression-via-erk-mapk-pathway-and-improves-growth-of-the-first-trimester-human-trophoblast-cells
#19
Chang-Ying Xing, De-Xiang Zhang, Sui-Qi Gui, Min-Fang Tao
Kidney-replenishing herb is a traditional medicine formula in China which has been widely used for clinical treatment of recurrent miscarriage. Our previous study showed that Kidney-replenishing herb could promote proliferation and inhibit apoptosis of the human first-trimester trophoblasts. In the present study, we further explored the potential mechanism and signal pathway of Kidney-replenishing herb on human trophoblast cells. Our research showed that Kidney-replenishing herb stimulated proliferation and reduced apoptosis of human trophoblast cells in vitro, and this appeared to be positive correlation with SOCS-3 transcription, suggesting that Kidney-replenishing herb regulated biological functions of human trophoblast cells by inducing SCOS-3 expression...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234286/identification-of-biomarkers-correlated-with-the-tnm-staging-and-overall-survival-of-patients-with-bladder-cancer
#20
Sheng Li, Xiaoping Liu, Tongzu Liu, Xiangyu Meng, Xiaohong Yin, Cheng Fang, Di Huang, Yue Cao, Hong Weng, Xiantao Zeng, Xinghuan Wang
Objective: To identify candidate biomarkers correlated with clinical prognosis of patients with bladder cancer (BC). Methods: Weighted gene co-expression network analysis was applied to build a co-expression network to identify hub genes correlated with tumor node metastasis (TNM) staging of BC patients. Functional enrichment analysis was conducted to functionally annotate the hub genes. Protein-protein interaction network analysis of hub genes was performed to identify the interactions among the hub genes...
2017: Frontiers in Physiology
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