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https://www.readbyqxmd.com/read/28103512/protein-o-fucosyltransferase-1-promotes-trophoblast-cell-proliferation-through-activation-of-mapk-and-pi3k-akt-signaling-pathways
#1
Chang Liu, Xiaohua Liang, Jiao Wang, Qin Zheng, Yue Zhao, Muhammad Noman Khan, Shuai Liu, Qiu Yan
Protein O-fucosylation is an important glycosylation modification and plays an important role in embryonic development. Protein O-fucosyltransferase 1 (poFUT1) is an essential enzyme that catalyzes the synthesis of protein O-fucosylation. Our previous studies showed that poFUT1 promoted trophoblast cell migration and invasion at the fetal-maternal interface, but the role of poFUT1 in trophoblast cells proliferation remains unclear. Here, immunohistochemistry data showed that poFUT1 and PCNA levels were decreased in abortion patient's trophoblasts compared with women with normal pregnancies...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28101580/crude-extract-and-solvent-fractions-of-calystegia-soldanella-induce-g1-and-s%C3%A2-phase-arrest-of-the-cell-cycle-in-hepg2-cells
#2
Jung Im Lee, In-Hye Kim, Taek-Jeong Nam
The representative halophyte Calystegia soldanella (L) Roem. et Schult is a perennial vine herb that grows in coastal dunes throughout South Korea as well as in other regions around the world. This plant has long been used as an edible and medicinal herb to cure rheumatic arthritis, sore throat, dropsy, and scurvy. Some studies have also shown that this plant species exhibits various biological activities. However, there are few studies on cytotoxicity induced by C. soldanella treatment in HepG2 human hepatocellular carcinoma cells...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101212/effect-of-oxaliplatin-combined-with-polyenephosphatidylcholine-on-the-proliferation-of-human-gastric-cancer-sgc-7901-cells
#3
Tao Jiang, Hongjun Zhang, Xiguang Liu, Hao Song, Ruyong Yao, Jianbin Li, Yuanyuan Zhao
Oxaliplatin (L-OHP) is a platinum compound that is widely used to treat certain solid tumors, including gastric tumors. L-OHP is an effective anti-cancer treatment; however, its usage increases the probability of patients developing hepatic injury with inflammation, referred to as chemotherapy-associated steatohepatitis. The present study aimed to evaluate the outcome of L-OHP treatment combined with polyenephosphatidylcholine (PPC), a major component of essential phospholipids used to treat steatohepatitis, on SGC-7901 gastric cancer cell proliferation...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28099911/bradykinin-regulates-cell-growth-and-migration-in-cultured-human-cardiac-c-kit-progenitor-cells
#4
Gang Li, Yan Wang, Gui-Rong Li
Bradykinin is a well-known endogenous vasoactive peptide. The present study investigated the bradykinin receptor expression in human cardiac c-Kit+ progenitor cells and the potential role of bradykinin in regulating cell cycling progression and mobility. It was found that mRNA and protein of bradykinin type 2 receptors, but not bradykinin type 1 receptors, were abundant in cultured human cardiac c-Kit+ progenitor cells. Bradykinin (1-10 nM) stimulated cell growth and migration in a concentration-dependent manner...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099142/the-pentapeptide-gly-thr-gly-lys-thr-confers-sensitivity-to-anti-cancer-drugs-by-inhibition-of-cage-binding-to-gsk3%C3%AE-and-decreasing-the-expression-of-cyclind1
#5
Youngmi Kim, Hyuna Kim, Deokbum Park, Hansoo Lee, Yun Sil Lee, Jongseon Choe, Young Myeong Kim, Doyong Jeon, Dooil Jeoung
We previously reported the role of cancer/testis antigen CAGE in the response to anti-cancer drugs. CAGE increased the expression of cyclinD1, and pGSK3βSer9, an inactive GSK3β, while decreasing the expression of phospho-cyclinD1Thr286. CAGE showed binding to GSK3β and the domain of CAGE (amino acids 231-300) necessary for binding to GSK3β and for the expression regulation of cyclinD1 was determined. 269GTGKT273 peptide, corresponding to the DEAD box helicase domain of CAGE, decreased the expression of cyclinD1 and pGSK3βSer9 while increasing the expression of phospho-cyclinD1Thr286...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098891/nhe1-is-upregulated-in-gastric-cancer-and-regulates-gastric-cancer-cell-proliferation-migration-and-invasion
#6
Rui Xie, Haibo Wang, Hai Jin, Guorong Wen, Biguang Tuo, Jingyu Xu
Na+/H+ exchanger isoform 1 (NHE1) is known to play a key role in regulating intracellular pH and osmotic homeostasis and is involved in the development and progression of several types of cancer. However, the function and specific mechanism of NHE1 in gastric cancer (GC) are not clearly understood. In the present study, we report that NHE1 is overexpressed in tissues and cell lines from GC patients, and knockdown or inhibition of NHE1 suppressed GC cell proliferation via regulation of G1/S and G2/M cell cycle phase transitions, concomitant with a marked decrease in positive cell cycle regulators, including cyclin D1 and cyclin B1...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098872/trim29-promotes-progression-of-thyroid-carcinoma-via-activating-p13k-akt-signaling-pathway
#7
Jinkai Xu, Zongyu Li, Qinghua Su, Jun Zhao, Jiancang Ma
Thyroid cancer (TC) is a common malignancy of the endocrine system. Abnormal expression of tripartite motif-containing 29 (TRIM29) has been reported to promote tumorigenesis and predict poor prognosis in several human malignancies. The aim of this study was to assess the involvement of TRIM29 in the significance and prognosis of TC. Fifty-six tumor samples and their clinicopathological para-meters were obtained from TC patients; the expression level of TRIM29 was detected by RT-qPCR and western blotting. TRIM29 expression was knocked down by small interfering RNA (siRNA) among TT, TPC-1, and K1 cells to investigate the biological role of TRIM29 in TC cells...
January 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098854/lsd1-sustains-estrogen-driven-endometrial-carcinoma-cell-proliferation-through-the-pi3k-akt-pathway-via-di-demethylating-h3k9-of-cyclin%C3%A2-d1
#8
Chunqin Chen, Yanan Wang, Shiyu Wang, Yuan Liu, Jiawen Zhang, Yuyao Xu, Zhenbo Zhang, Wei Bao, Sufang Wu
A recent study reported that histone lysine specific demethylase 1 (LSD1, KDM1A) is overexpressed in endometrioid endometrial carcinoma (EEC) and associated with tumor progression as well as poor prognosis. However, the physiological function and mechanism of LSD1 in endometrial cancer (EC) remains largely unknown. In this study, we demonstrate that β-estradiol (E2) treatment increased LSD1 expression via the GPR30/PI3K/AKT pathway in endometrial cancer cells. Both siGPR30 and the PI3K inhibitor LY294002 block this effect...
January 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098804/gadd45a-regulates-olaquindox-induced-dna-damage-and-s-phase-arrest-in-human-hepatoma-g2-cells-via-jnk-p38-pathways
#9
Daowen Li, Chongshan Dai, Xiayun Yang, Bin Li, Xilong Xiao, Shusheng Tang
Olaquindox, a quinoxaline 1,4-dioxide derivative, is widely used as a feed additive in many countries. The potential genotoxicity of olaquindox, hence, is of concern. However, the proper mechanism of toxicity was unclear. The aim of the present study was to investigate the effect of growth arrest and DNA damage 45 alpha (GADD45a) on olaquindox-induced DNA damage and cell cycle arrest in HepG2 cells. The results showed that olaquindox could induce reactive oxygen species (ROS)-mediated DNA damage and S-phase arrest, where increases of GADD45a, cyclin A, Cdk 2, p21 and p53 protein expression, decrease of cyclin D1 and the activation of phosphorylation-c-Jun N-terminal kinases (p-JNK), phosphorylation-p38 (p-p38) and phosphorylation-extracellular signal-regulated kinases (p-ERK) were involved...
January 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28097464/cdc42-promotes-schwann-cell-proliferation-and-migration-through-wnt-%C3%AE-catenin-and-p38-mapk-signaling-pathway-after-sciatic-nerve-injury
#10
Bin Han, Jun-Ying Zhao, Wu-Tao Wang, Zheng-Wei Li, Ai-Ping He, Xiao-Yang Song
Schwann cells (SCs) are unique glial cells in the peripheral nerve and may secrete multiple neurotrophic factors, adhesion molecules, extracellular matrix molecules to form the microenvironment of peripheral nerve regeneration, guiding and supporting nerve proliferation and migration. Cdc42 plays an important regulatory role in dynamic changes of the cytoskeleton. However, there is a little study referred to regulation and mechanism of Cdc42 on glial cells after peripheral nerve injury. The present study investigated the role of Cdc42 in the proliferation and migration of SCs after sciatic nerve injury...
January 17, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28096467/mir-21-mediated-radioresistance-is-via-promoting-repair-of-dna-double-strand-breaks
#11
Baocheng Hu, Xiang Wang, Suofeng Hu, Xiaomin Ying, Ping Wang, Xiangming Zhang, Jian Wang, Hongyan Wang, Ya Wang
MiR-21 as an oncogene that over-expresses in most human tumors involves radioresistance; however, the mechanism remains unclear. Here, we demonstrate that miR-21-mediated radioresistance is through promoting repair of DNA double strand breaks, which includes to facilitate both non-homologous end-joining (NHEJ) and homologous recombination repair (HRR). The miR-21-promoted NHEJ is through targeting GSK3B (a novel target of miR-21) that affects the CRY2/PP5 pathway and in turn increases DNA-PKcs activity. The miR-21-promoted HRR is through targeting both GSK3B and CDC25A (a known target of miR-21), which neutralizes the effects of targeting GSK3B-induced CDC25A increase since GSK3B promotes degradation of both CDC25A and Cyclin D1, but CDC25A and Cyclin D1 have an opposite effect on HRR...
January 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28096236/inhibitory-effects-of-%C3%AE-and-%C3%AE-tocopherols-on-estrogen-stimulated-breast-cancer-in-vitro-and-in-vivo
#12
Min Ji Bak, Soumyasri Das Gupta, Joseph Wahler, Hong Jin Lee, Xiaowei Li, Mao-Jung Lee, Chung S Yang, Nanjoo Suh
Estrogens have been implicated as complete carcinogens for breast and other tissues through mechanisms involving increased cell proliferation, oxidative stress and DNA damage. Because of their potent antioxidant activity and other effects, tocopherols have been shown to exert anti-tumor activities in various cancers. However, limited information is available on the effect of different forms of tocopherols in estrogen-mediated breast cancer. To address this, we examined the effects of α-, γ- and δ-tocopherols as well as a natural γ-tocopherol rich mixture of tocopherols, γ-TmT, on estrogen-stimulated MCF-7 cells in vitro and in vivo...
January 17, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28095038/pure-androgen-producing-adrenal-tumor-clinical-features-and-pathogenesis
#13
Anli Tong, Jun Jiang, Fen Wang, Chunyan Li, Yushi Zhang, Xueyan Wu
OBJECTIVE: Pure androgen-secreting adrenal tumors (PASATs) are extremely rare, most reports involving only a single case. This study examined 9 cases of PASAT, with an attempt to characterize its clinical features and to explore their possible pathogenesis. METHODS: Clinical data of 9 patients with PASAT were retrospectively reviewed. Immunostaining were conducted, and Aryl hydrocarbon receptor-interacting protein (AIP) were amplified and directly sequenced. RESULTS: The onset age of the patients ranged from 3...
January 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28092744/quercetin-induces-apoptosis-and-autophagy-in-primary-effusion-lymphoma-cells-by-inhibiting-pi3k-akt-mtor-and-stat3-signaling-pathways
#14
Marisa Granato, Celeste Rizzello, Maria Saveria Gilardini Montani, Laura Cuomo, Marina Vitillo, Roberta Santarelli, Roberta Gonnella, Gabriella D'Orazi, Alberto Faggioni, Mara Cirone
Quercetin, a bioflavonoid contained in several vegetables daily consumed, has been studied for long time for its antiinflammatory and anticancer properties. Quercetin interacts with multiple cancer-related pathways such as PI3K/AKT, Wnt/β-catenin and STAT3. These pathways are hyperactivated in primary effusion lymphoma (PEL), an aggressive B cell lymphoma whose pathogenesis is strictly linked to the oncogenic virus Kaposis' Sarcoma-associated Herpesvirus (KSHV). In this study, we found that quercetin inhibited PI3K/AKT/mTOR and STAT3 pathways in PEL cells, and as a consequence, it down-regulated the expression of the prosurvival cellular proteins such as c-FLIP, cyclin D1 and cMyc...
January 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28088877/the-concerted-action-of-type-2-and-type-3-deiodinases-regulates-the-cell-cycle-and-survival-of-basal-cell-carcinoma-cells
#15
Caterina Miro, Raffaele Ambrosio, Maria Angela De Stefano, Daniela Di Girolamo, Emery Di Cicco, Annunziata Gaetana Cicatiello, Giuseppina Mancino, Tommaso Porcelli, Maddalena Raia, Luigi Del Vecchio, Domenico Salvatore, Monica Dentice
BACKGROUND: Thyroid hormones (THs) mediate pleiotropic cellular processes involved in metabolism, cellular proliferation and differentiation. The intracellular hormonal environment can be tailored by the deiodinase enzymes, D2 and D3, which catalyze TH activation and inactivation, respectively. In many cellular systems, THs exert well documented stimulatory or inhibitory effects on cell proliferation, however, the molecular mechanisms by which they control rates of cell cycle progression have not yet been entirely clarified...
January 15, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28087598/bayesian-network-inference-modeling-identifies-trib1-as-a-novel-regulator-of-cell-cycle-progression-and-survival-in-cancer-cells
#16
Rina Gendelman, Heming Xing, Olga K Mirzoeva, Preeti Sarde, Christina Curtis, Heidi Feiler, Paul McDonagh, Joe W Gray, Iya Khalil, W Michael Korn
Molecular networks governing cellular responses to targeted therapies are complex dynamic systems with non-intuitive behaviors. Here we applied a novel computational strategy to infer probabilistic causal relationships between network components based on gene expression. We constructed a model comprised of an ensemble of networks using multidimensional data from cell line models of cell cycle arrest caused by inhibition of MEK1/2. Through simulation of reverse-engineered Bayesian network modeling, we generated predictions of G1-S transition...
January 13, 2017: Cancer Research
https://www.readbyqxmd.com/read/28086833/delta-like-4-notch-signaling-promotes-apc-min-tumor-initiation-through-angiogenic-and-non-angiogenic-related-mechanisms
#17
Marina Badenes, Alexandre Trindade, Hugo Pissarra, Luís Lopes-da-Costa, António Duarte
BACKGROUND: Delta like 4 (Dll4)/Notch signaling is a key regulator of tumor angiogenesis. Additionally, the role of Dll4 has been studied on tumor stem cells. However, as these cells are implicated in tumor angiogenesis, it is conceivable that the effect of Dll4 on these cells may be a consequence of its angiogenic function. Our aim was to evaluate the expression and dissect the functions of Dll4 in the Apc (Min/+) model of colorectal cancer. METHODS: We evaluated the protein expression pattern of Dll4 and other Notch members in the Apc (Min/+) tumors relatively to the normal gut and compared endothelial-specific with ubiquitous Dll4 knockout mice on an Apc (Min/+) background...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28081541/circular-rna-0000096-affects-cell-growth-and-migration-in-gastric-cancer
#18
Peifei Li, Huilin Chen, Shengcan Chen, Xiaoyan Mo, Tianwen Li, Bingxiu Xiao, Rui Yu, Junming Guo
BACKGROUND: Circular RNAs (circRNAs) are a class of non-coding RNAs broadly expressed in cells of various species. Their role in cancers, especially in gastric cancer, is poorly understood. METHODS: Circular RNA 0000096 (hsa_circ_0000096) levels in 101 paired gastric cancer tissues and adjacent non-tumorous tissues from patients with gastric cancer were detected by real-time quantitative reverse transcription-polymerase chain reaction. A receiver operating characteristic curve was generated to evaluate the diagnostic value of hsa_circ_0000096...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28077718/integrin-linked-kinase-ilk-deletion-disrupts-oligodendrocyte-development-by-altering-cell-cycle
#19
Rashad Hussain, Wendy B Macklin
: During development, oligodendrocytes are initially specified, after which oligodendrocyte precursor cells (OPCs) migrate and proliferate before differentiating into myelinating cells. Lineage-specific programming of oligodendrocytes results from sensing environmental cues through membrane-bound receptors and related intracellular signaling molecules. Integrin-linked kinase (ILK) is an important protein that is expressed at the inner margins of the plasma membrane and can mediate some of these signals...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28075543/prognostic-value-of-tissue-based-biomarker-signature-in-clear-cell-renal-cell-carcinoma
#20
Ahmed Q Haddad, Jun-Hang Luo, Laura-Maria Krabbe, Oussama Darwish, Bishoy Gayed, Ramy Youssef, Payal Kapur, Dinesh Rakheja, Yair Lotan, Arthur Sagalowsky, Vitaly Margulis
OBJECTIVE: To improve risk stratification for recurrence prognostication in localized clear cell renal cell carcinoma (ccRCC) patients. PATIENTS AND METHODS: 367 patients with non-metastatic ccRCC were included. The cohort was divided into a training and validation set. Using tissue microarrays, immunostaining was performed for 24 biomarkers representative of key pathways in ccRCC. Using LASSO Cox regression, we identified several markers which were used to construct a risk classifier for risk of disease recurrence...
January 11, 2017: BJU International
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