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https://www.readbyqxmd.com/read/27913589/integrin-linked-kinase-ilk-deletion-disrupts-oligodendrocyte-development-by-altering-cell-cycle
#1
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 expressed at the inner margins of the plasma membrane, which can mediate some of these signals...
December 2, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27906621/isolation-of-a-novel-protein-p12-from-adult-drosophila-melanogaster-that-inhibits-deoxyribonucleoside-and-protein-kinase-activities-and-activates-3-5-exonuclease-activity
#2
Louise Slot Christiansen, Gabriella van Zanten, Dvora Berenstein, Marianne Lauridsen, Søren Kjærulff, Leif Søndergaard, Birgitte Munch-Petersen
We have previously found that Drosophila melanogaster only has one deoxyribonucleoside kinase, Dm-dNK, however, capable to phosphorylate all four natural deoxyribonucleosides. Dm-dNK was originally isolated from an embryonic cell line. We wanted to study the expression of Dm-dNK during development from embryonic cells to adult flies and found declining Dm-dNK activity during development and no activity in adult flies. Surprisingly, the extract from adult flies exhibited a strong inhibitory effect on deoxyribonucloside kinase activity...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27893752/effect-of-butyrate-on-collagen-expression-cell-viability-cell-cycle-progression-and-related-proteins-expression-of-mg-63-osteoblastic-cells
#3
Mei-Chi Chang, Yi-Ling Tsai, Eric Jein-Wein Liou, Chia-Mei Tang, Tong-Mei Wang, Hsin-Cheng Liu, Ming-Wei Liao, Sin-Yuet Yeung, Chiu-Po Chan, Jiiang-Huei Jeng
AIMS: Butyric acid is one major metabolic product generated by anaerobic Gram-negative bacteria of periodontal and root canal infection. Butyric acid affects the activity of periodontal cells such as osteoblasts. The purposes of this study were to investigate the effects of butyrate on MG-63 osteoblasts. METHODS: MG-63 cells were exposed to butyrate and cell viability was estimated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The mRNA and protein expression of type I collagen and cell cycle-related proteins were measured by reverse-transcriptase polymerase chain reaction (RT-PCR), western blotting or immunofluorescent staining...
2016: PloS One
https://www.readbyqxmd.com/read/27891552/enteric-glial-cells-are-susceptible-to-clostridium-difficile-toxin-b
#4
Katia Fettucciari, Pamela Ponsini, Davide Gioè, Lara Macchioni, Camilla Palumbo, Elisabetta Antonelli, Stefano Coaccioli, Vincenzo Villanacci, Lanfranco Corazzi, Pierfrancesco Marconi, Gabrio Bassotti
Clostridium difficile causes nosocomial/antibiotic-associated diarrhoea and pseudomembranous colitis. The major virulence factors are toxin A and toxin B (TcdB), which inactivate GTPases by monoglucosylation, leading to cytopathic (cytoskeleton alteration, cell rounding) and cytotoxic effects (cell-cycle arrest, apoptosis). C. difficile toxins breaching the intestinal epithelial barrier can act on underlying cells, enterocytes, colonocytes, and enteric neurons, as described in vitro and in vivo, but until now no data have been available on enteric glial cell (EGC) susceptibility...
November 28, 2016: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/27867568/the-overexpression-of-kifc1-was-associated-with-the-proliferation-and-prognosis-of-non-small-cell-lung-cancer
#5
Yafang Liu, Ping Zhan, Zejun Zhou, Ze Xing, Suhua Zhu, Chenhui Ma, Qian Li, Qingqing Zhu, Yingying Miao, Jianya Zhang, Tangfeng Lv, Yong Song
BACKGROUND: The kinesin family member C1 (KIFC1, also known as HSET) is a kinesin superfamily protein (KIFs). Although KIFC1 acts as a crucial role in the development of several human cancers, the KIFC1 expression profile and functional remain unclear in non-small cell lung cancer (NSCLC). METHODS: We collected the fresh NSCLC samples and paired normal lung tissue in patients with lung cancer operation, and detected KIFC1 expression using quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and Western blotting...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27865619/inhibition-on-the-growth-of-human-mda-mb-231-breast-cancer-cells-in-vitro-and-tumor-growth-in-a-mouse-xenograft-model-by-se-containing-polysaccharides-from-pyracantha-fortuneana
#6
Chengfu Yuan, Changdong Wang, Junjie Wang, Vikas Kumar, Firoz Anwar, Fangxiang Xiao, Gohar Mushtaq, Yufei Liu, Mohammad Amjad Kamal, Ding Yuan
Breast cancer is the second cause of cancer-related death among Women. Current therapies for breast cancer have adverse side-effects. Selenium (Se)-containing polysaccharides have multiple health benefits to humans. Pyracantha fortuneana (P. fortuneana) contains rich Se polysaccharides. We hypothesized that Se-containing polysaccharides from P. fortuneana possess anticancer activity on breast cancer via inhibiting growth and inducing apoptosis. This study aimed to assess the anticancer effect of Se-containing polysaccharides from P...
October 2, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27862966/ncapg2-promotes-tumour-proliferation-by-regulating-g2-m-phase-and-associates-with-poor-prognosis-in-lung-adenocarcinoma
#7
Ping Zhan, Guang-Min Xi, Bin Zhang, Ying Wu, Hong-Bing Liu, Ya-Fang Liu, Wu-Jian Xu, Qingqing Zhu, Feng Cai, Ze-Jun Zhou, Ying-Ying Miu, Xiao-Xia Wang, Jia-Jia Jin, Qian Li, Tang-Feng Lv, Yong Song
NCAPG2 is a component of the condensin II complex and contributes to chromosome segregation via microtubule-kinetochore attachment during mitosis. It is well known that NCAPG2 plays a critical role in cell mitosis; however, the role of altered NCAPG2 expression and its transcriptional regulatory function in cancer development remains mostly unknown. Here, for the first time we reported that NCAPG2 was evidently increased in non-small cell lung cancer tissues compared to adjacent normal lung tissues. Clinicopathological data analysis showed that NCAPG2 overexpression was significantly correlated with lymph node metastasis and pathologic-Tumour Nodes Metastasen stages, and was an independent prognostic factor in lung adenocarcinoma patients...
November 15, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27856242/1-25-oh-2d3-induced-interaction-of-vitamin-d-receptor-with-p50-subunit-of-nf-%C3%AE%C2%BAb-suppresses-the-interaction-between-klf5-and-p50-contributing-to-inhibition-of-lps-induced-macrophage-proliferation
#8
Dong Ma, Ruo-Nan Zhang, Ya Wen, Wei-Na Yin, Disi Bai, Guo-Ying Zheng, Jin-Shui Li, Bin Zheng, Jin-Kun Wen
KLF5 and nuclear factor κB (NF-κB) regulate cell proliferation and inflammation. Vitamin D signaling through vitamin D receptor (VDR) exerts anti-proliferative and anti-inflammatory actions. However, an actual relationship between KLF5, NF-κB and VDR in the inflammation and proliferation of macrophages is still unclear. Here, we showed that LPS and proinflammatory cytokines stimulate KLF5 gene expression in macrophages, and that 1, 25(OH)2D3 suppresses LPS-induced KLF5 expression and cell proliferation via upregulation of VDR expression...
November 14, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27837108/characterization-and-transcriptomic-analysis-of-porcine-blood-conventional-and-plasmacytoid-dendritic-cells-reveals-striking-species-specific-differences
#9
Gael Auray, Irene Keller, Sylvie Python, Markus Gerber, Remy Bruggmann, Nicolas Ruggli, Artur Summerfield
Porcine dendritic cells (DCs) are relatively well characterized, but a clear-cut identification of all DC subsets combined with full transcriptional profiling was lacking, preventing an unbiased insight into the functional specializations of DC subsets. Using a large panel of Abs in multicolor flow cytometry, cell sorting, and RNA sequencing we identified and characterized the porcine equivalent of conventional DCs (cDC) 1 and cDC2 as well as plasmacytoid DCs (pDCs) in the peripheral blood of pigs. We demonstrate that cDC1 are CD135(+)CD14(-)CD172a(low)CADM1(+)wCD11R1(+) cells, cDC2 are CD135(+)CD14(-)CD172a(+)CADM1(+)CD115(+)wCD11R1(+)CD1(+) cells and pDCs are CD4(+)CD135(+)CD172a(+)CD123(+)CD303(+) cells...
December 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27824316/nickel-chloride-nicl2-in-hepatic-toxicity-apoptosis-g2-m-cell-cycle-arrest-and-inflammatory-response
#10
Hongrui Guo, Hengmin Cui, Jing Fang, Zhicai Zuo, Junliang Deng, Xun Wang, Ling Zhao, Kejie Chen, Jie Deng
Up to now, the precise mechanism of Ni toxicology is still indistinct. Our aim was to test the apoptosis, cell cycle arrest and inflammatory response mechanism induced by NiCl2 in the liver of broiler chickens. NiCl2 significantly increased hepatic apoptosis. NiCl2 activated mitochondria-mediated apoptotic pathway by decreasing Bcl-2, Bcl-xL, Mcl-1, and increasing Bax, Bak, caspase-3, caspase-9 and PARP mRNA expression. In the Fas-mediated apoptotic pathway, mRNA expression levels of Fas, FasL, caspase-8 were increased...
November 5, 2016: Aging
https://www.readbyqxmd.com/read/27819344/anti-tumor-activity-of-sl4-against-breast-cancer-cells-induction-of-g2-m-arrest-through-modulation-of-the-mapk-dependent-p21-signaling-pathway
#11
Li-Hui Wang, Xiao-Rui Jiang, Guo-Liang Chen, Wei Guo, Jing-Yuan Zhang, Li-Juan Cui, Hua-Huan Li, Meng Li, Xing Liu, Jing-Yu Yang, Chun-Fu Wu
SL4, a chalcone-based compound, has been shown to retard tumor invasion and angiogenesis by suppressing HIF1 activity and to induce apoptosis by promoting ROS release. Here, we report that SL4 is able to inhibit the proliferation of different types of breast cancer cell in vitro and in vivo by inducing G2/M cell cycle arrest. Our results showed that SL4 exhibited strong anti-proliferative activity in several human breast cancer cell lines, with IC50 values lower than 1.3 μM. Further studies indicated that SL4 induced G2/M arrest in these cell lines...
November 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27798868/gene-expression-analysis-identifies-specific-patterns-of-dysregulated-molecular-pathways-and-genetic-subgroups-of-human-hepatocellular-carcinoma
#12
Holger G Hass, Ulrich Vogel, Michael Scheurlen, Jürgen Jobst
BACKGROUND: Hepatocellular carcinoma comprises of a group of heterogeneous tumors of different etiologies. The multistep process of liver carcinogenesis involves various genetic and phenotypic alterations. The molecular pathways and driver mutations involved are still under investigation. MATERIALS AND METHODS: DNA micorarray technology was used to identify differentially expressed genes between human hepatocarcinoma and non-tumorous liver tissues to establish a unique specific gene-expression profile independent of the underlying liver disease...
October 2016: Anticancer Research
https://www.readbyqxmd.com/read/27790587/immunohistochemical-expression-of-cyclin-b1-in-epithelial-hyperplasia-dysplasia-and-oral-squamous-cell-carcinomas-a-comparative-study
#13
Kochli Channappa Niranjan, Amsavardani Tayaar, G S Kumar, Rekha Krishnapillai, Kaveri Hallikeri, Santosh Hunasgi
INTRODUCTION: Cyclin B1 is important in the cell cycle progression from G2 to M phase. Cyclin B1 binds to CDC2, which then becomes dephosphorylated and gets relocated to the nucleus, ensuring the transition toward mitosis. AIM: Over expression of Cyclin B1, has been reported more recently in breast, colon, prostate, oral and esophageal carcinomas. Thus, the aim of the present study was to examine the expression of Cyclin B1 in hyperplasia, dysplasia and Oral Squamous Cell Carcinomas (OSCC)...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27783047/camkk2-suppresses-muscle-regeneration-through-the-inhibition-of-myoblast-proliferation-and-differentiation
#14
Cheng Ye, Duo Zhang, Lei Zhao, Yan Li, Xiaohan Yao, Hui Wang, Shengjie Zhang, Wei Liu, Hongchao Cao, Shuxian Yu, Yucheng Wang, Jingjing Jiang, Hui Wang, Xihua Li, Hao Ying
Skeletal muscle has a major role in locomotion and muscle disorders are associated with poor regenerative efficiency. Therefore, a deeper understanding of muscle regeneration is needed to provide a new insight for new therapies. CaMKK2 plays a role in the calcium/calmodulin-dependent kinase cascade; however, its role in skeletal muscle remains unknown. Here, we found that CaMKK2 expression levels were altered under physiological and pathological conditions including postnatal myogensis, freeze or cardiotoxin-induced muscle regeneration, and Duchenne muscular dystrophy...
October 24, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27771455/enhanced-axonal-regeneration-of-the-injured-sciatic-nerve-by-administration-of-buyang-huanwu-decoction
#15
In Ae Chang, Hee Don Lim, Ki Joong Kim, Hwachul Shin, Uk Namgung
ETHNOPHARMACOLOGICAL RELEVANCE: Buyang Huanwu decoction (BYHWD) has been used in the traditional Chinese medicine for the treatment of cardiovascular and neurological symptoms, and recent experimental studies have begun to provide evidence showing its protective effects on neural cells. Yet, its function for the regenerative responses of axons in the peripheral nerve after injury is not known. AIM OF THE STUDY: The primary objective of the present study was to explore that BYHWD is involved in growth-promoting activity of the peripheral nerve axons after injury...
October 19, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27770785/bogijetong-decoction-and-its-active-herbal-components-protect-the-peripheral-nerve-from-damage-caused-by-taxol-or-nerve-crush
#16
So Hyun Ahn, In Ae Chang, Ki-Joong Kim, Chul-Jung Kim, Uk Namgung, Chung-Sik Cho
BACKGROUND: Bogijetong decoction (BGJTD) is a herbal drug formulation used in the traditional Asian medicine to treat neuropathic insults associated with diabetes and anticancer therapy. To understand the biological basis of BGJTD on protective effects against neuropathy, we investigated physiological and biochemical responses of the sciatic nerves deranged by taxol injection or crush injury in the rats. METHODS: Dissociated Schwann cells and neurons were prepared from the sciatic nerve and dorsal root ganglia (DRG) respectively and were treated with taxol and BGJTD...
October 22, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27764236/phenotype-and-function-of-cd209-bovine-blood-dendritic-cells-monocyte-derived-dendritic-cells-and-monocyte-derived-macrophages
#17
Kun Taek Park, Mahmoud M ElNaggar, Gaber S Abdellrazeq, John P Bannantine, Victoria Mack, Lindsay M Fry, William C Davis
Phylogenic comparisons of the mononuclear phagocyte system (MPS) of humans and mice demonstrate phenotypic divergence of dendritic cell (DC) subsets that play similar roles in innate and adaptive immunity. Although differing in phenotype, DC can be classified into four groups according to ontogeny and function: conventional DC (cDC1 and cDC2), plasmacytoid DC (pDC), and monocyte derived DC (MoDC). DC of Artiodactyla (pigs and ruminants) can also be sub-classified using this system, allowing direct functional and phenotypic comparison of MoDC and other DC subsets trafficking in blood (bDC)...
2016: PloS One
https://www.readbyqxmd.com/read/27748898/angelicin-inhibits-human-lung-carcinoma-a549-cell-growth-and-migration-through-regulating-jnk-and-erk-pathways
#18
Guangcai Li, Yuan He, Jun Yao, Chuying Huang, Xiusheng Song, Yan Deng, Sheng Xie, Jie Ren, Meng Jin, Huiguo Liu
Angelicin is a member of a well-known class of chemical photosensitizes that have anticancer proper-ties in several cancer cell lines. However, the effects and the potential underlying mechanisms of angelicin action on human lung cancer cells remain unclear. Here, we report that angelicin has an essential role in inhibiting human lung carcinoma growth and metastasis. We found that angelicin markedly induced cell apoptosis and arrested the cell cycle in vitro. Angelicin also inhibited the migration of non-small cell lung cancer (NSCLC) A549 cells in a Transwell assay in a dose-dependent manner...
October 12, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27744448/the-effects-of-polyadenylation-status-on-mpfs-during-in-vitro-porcine-oocyte-maturation
#19
Huiyu Liu, Yan Gao, Bo Zhai, Hao Jiang, Yu Ding, Lianjiang Zhang, Changhong Li, Qiong Deng, Xianfeng Yu, Jiabao Zhang
AIMS: This study aims to clarify the effects of polyadenylation status on M-phase promoting factors (MPFs) during in vitro porcine oocyte maturation. METHODS: In this study, porcine follicular oocytes from large follicles (> 5 millimeter (mm)) and small follicles (< 3 mm) were examined at different follicular developmental stages. The polyadenylation of maternal mRNAs was inhibited by the addition of 3'-deoxyadenosine (3'-da) during the germinal vesicle (GV)(0 h), GV breakdown (GVBD)(18 h), metaphase I (MI)(28 h), and metaphase II (MII) (44 h) stages...
October 17, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27736299/a-genome-wide-screen-to-identify-genes-controlling-the-rate-of-entry-into-mitosis-in-fission-yeast
#20
Naomi Moris, Jaya Shrivastava, Linda Jeffery, Juan-Juan Li, Jacqueline Hayles, Paul Nurse
We have carried out a haploinsufficiency (HI) screen in fission yeast using heterozygous deletion diploid mutants of a genome-wide set of cell cycle genes to identify genes encoding products whose level determines the rate of progression through the cell cycle. Cell size at division was used as a measure of advancement or delay of the G2-M transition of rod-shaped fission yeast cells. We found that 13 mutants were significantly longer or shorter (greater than 10%) than control cells at cell division. These included mutants of the cdc2, cdc25, wee1 and pom1 genes, which have previously been shown to play a role in the timing of entry into mitosis, and which validate this approach...
October 13, 2016: Cell Cycle
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