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https://www.readbyqxmd.com/read/29785948/-genetics-of-fertility-restoration-in-the-isocytoplasm-allonuclear-c-group-of-cytoplasmic-male-sterility-in-maize
#1
Zhuo Fan Zhao, Ling Huang, Yong Ming Liu, Peng Zhang, Gui Wei, Mo Ju Cao
Maize is one of the first crops to produce hybrids using cytoplasmic male sterile lines. The C-type cytoplasmic male sterile (CMS-C) line is vital for hybrid seed production, and the fertility-restoration reaction along with its stability has a direct bearing on its applications. However, fertility restoration mechanism of CMS-C is complex and is still not clear so far. To further explore the factors affecting the fertility restoration of maize CMS, a series of test crosses were carried out by pollinating the isocytoplasm allonuclear CMS-C lines C48-2, Chuangzaosi and C478 with the test lines 18 bai, zi 330, 5022 and the restorer line A619, respectively...
May 20, 2018: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/29784906/the-anti-cancer-activity-of-an-andrographolide-analogue-functions-through-a-gsk-3%C3%AE-independent-wnt-%C3%AE-catenin-signaling-pathway-in-colorectal-cancer-cells
#2
Somrudee Reabroi, Rungnapha Saeeng, Nittaya Boonmuen, Teerapich Kasemsuk, Witchuda Saengsawang, Kanoknetr Suksen, Weiming Zhu, Pawinee Piyachaturawat, Arthit Chairoungdua
The Wnt/β-catenin signaling pathway plays a key role in the progression of human colorectal cancers (CRCs) and is one of the leading targets of chemotherapy agents developed for CRC. The present study aimed to investigate the anti-cancer effects and molecular mechanisms of 19-O-triphenylmethyl andrographolide (RS-PP-050), an andrographolide analogue and determine its activity in the Wnt/β-catenin pathway. RS-PP-050 was found to potently inhibit the proliferation and survival of HT-29 CRC cells. It induces cell cycle arrest and promotes apoptotic cell death which was associated with the activation of PARP-1 and p53...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784863/the-gpi-transamidase-complex-subunit-pbgpi16-of-plasmodium-berghei-is-important-for-inducing-experimental-cerebral-malaria
#3
Qingyang Liu, Yan Zhao, Li Zheng, Xiaotong Zhu, Liwang Cui, Yaming Cao
In animal models of experimental cerebral malaria (ECM), the glycosylphosphatidylinositols (GPIs) and GPI anchors are the major factors that induce nuclear factor kappa B (NF-κB) activation and proinflammatory responses, which contribute to malaria pathogenesis. GPIs and GPI anchors are transported to the cell surface via a process called GPI transamidation, which involves the GPI transamidase (GPI-T) complex. In this study, we showed that GPI16, one of the GPI-T subunits, is highly conserved among Plasmodium species...
May 21, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29784812/distributed-and-dynamic-intracellular-organization-of-extracellular-information
#4
Alejandro A Granados, Julian M J Pietsch, Sarah A Cepeda-Humerez, Iseabail L Farquhar, Gašper Tkačik, Peter S Swain
Although cells respond specifically to environments, how environmental identity is encoded intracellularly is not understood. Here, we study this organization of information in budding yeast by estimating the mutual information between environmental transitions and the dynamics of nuclear translocation for 10 transcription factors. Our method of estimation is general, scalable, and based on decoding from single cells. The dynamics of the transcription factors are necessary to encode the highest amounts of extracellular information, and we show that information is transduced through two channels: Generalists (Msn2/4, Tod6 and Dot6, Maf1, and Sfp1) can encode the nature of multiple stresses, but only if stress is high; specialists (Hog1, Yap1, and Mig1/2) encode one particular stress, but do so more quickly and for a wider range of magnitudes...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29783070/cdh17-alters-mmp-2-expression-via-canonical-nf-%C3%AE%C2%BAb-signalling-in-human-gastric-cancer
#5
Xiao-Jie Jiang, Jing Lin, Qing-He Cai, Jian-Feng Zhao, Hui-Jiao Zhang
Gastric cancer (GC), one of the most common cancers of the digestive system, results in high morbidity and mortality, but the molecular mechanisms underlying GC remain largely unknown. Cadherin-17 (CDH17) is a nonclassical member of the cadherin (CDH) superfamily of calcium-dependent proteins. Despite recent advances in the understanding of CDH17 biology, the mechanism of CDH17 in GC proliferation, migration, and invasion has not been extensively studied. In the present study, we observed that CDH17 expression was increased in GC tissues compared with para-carcinoma tissues and was correlated with lymph node metastasis and the AJCC stage...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29778891/leukocytes-and-drug-resistant-cancer-cells-are-targets-for-intracellular-delivery-by-adenoviral-dodecahedron
#6
Marta Jedynak, David Laurin, Patryk Dolega, Malgorzata Podsiadla-Bialoskorska, Inga Szurgot, Jadwiga Chroboczek, Ewa Szolajska
One of the major factors limiting the effectiveness of cancer chemotherapy is inefficient drug delivery. Systems enabling efficient delivery and enhanced intracellular uptake, appear particularly promising in this respect. Virus-like particle, adenoviral dodecahedron (Dd), employs receptor-mediated endocytosis for cell penetration and is able to deliver intracellularly dozens of cargo molecules attached to one particle. We focused on studying Dd properties in the context of cancer treatment, showing that intratumoral injection of Dd, assessed in mouse xenograft model, results in vector accumulation in tumor without spreading in off-target organs...
May 17, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29778537/a-new-indanedione-derivative-alleviates-symptoms-of-diabetes-by-modulating-rage-nf-kappab-pathway-in-db-db-mice
#7
Gulnaz Khan, Meha Fatima Aftab, Bilquees Bano, Khalid Mohammed Khan, Munazza Murtaza, Sonia Siddiqui, M Hafizur Rehman, Rizwana Sanaullah Waraich
Accumulating evidence indicates that a number of tissues are damaged due to build-up of abnormal amount of Advanced Glycation End products (AGEs) in several diseases including diabetes. Currently AGE inhibitors are scarce in clinical use indicating a need for development of new anti-AGE agents. The aim of the current study is to identify the new AGE inhibitors and to decipher their mechanism of action for alleviating symptoms of diabetes in mice. Among several derivatives, one of the derivatives of indanedione, IDD-24 demonstrated highest inhibition of AGE formation and AGE mediated reactive oxygen species production in HepG-2 and mature 3T3-L1 adipocytes...
May 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29778421/comparison-of-two-groups-for-the-apolipoprotein-e-polymorphisms-by-using-next-generation-sequencing-the-first-group-with-three-consecutive-abortions-and-the-second-group-with-at-most-one-abortion-in-three-consecutive-pregnancies
#8
Evren Gumus
The importance of apolipoprotein E genotypes and allelic polymorphisms in the etiology of recurrent miscarriage is controversial. We plan to investigate this in a two-group study involving more than a thousand participants. In total, 1046 subjects (802 participants in the first group, 244 participants in the second group) were investigated. Women in the first group had a history of ≥3 consecutive spontaneous miscarriage and women in the second group had at most one miscarriage in three consecutive pregnancies...
May 17, 2018: Gene
https://www.readbyqxmd.com/read/29778080/atrazine-xenobiotic-nuclear-receptor-interactions-induce-cardiac-inflammation-and-endoplasmic-reticulum-stress-in-quail-coturnix-coturnix-coturnix
#9
Xue-Nan Li, Yu-Zhu Zuo, Lei Qin, Wei Liu, Yan-Hua Li, Jin-Long Li
Atrazine (ATR) is one of the most extensively used herbicide that eventually leaches into groundwater and surface water from agricultural areas. Exposure to ATR does harm to the health of human and animals, especially the heart. However, ATR exposure caused cardiotoxicity in bird remains unclear. To evaluate ATR-exerted potential cardiotoxicity in heart, quail were exposed with 0, 50, 250, and 500 mg/kg BW/day ATR by gavage treatment for 45 days. Cardiac histopathological alternation was observed in ATR-induced quail...
May 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29774077/long-noncoding-rna-mir503hg-a-prognostic-indicator-inhibits-tumor-metastasis-by-regulating-the-hnrnpa2b1-nf-%C3%AE%C2%BAb-pathway-in-hepatocellular-carcinoma
#10
Hui Wang, Linhui Liang, Qiongzhu Dong, Lin Huan, Jia He, Botai Li, Chen Yang, Haojie Jin, Lin Wei, Chengtao Yu, Fangyu Zhao, Jinjun Li, Ming Yao, Wenxin Qin, Lunxiu Qin, Xianghuo He
Long noncoding RNAs (lncRNAs) have been associated with hepatocellular carcinoma (HCC), but the underlying molecular mechanisms of their specific association with hepatocarcinogenesis have not been fully explored. Methods: miR503HG was identified by microarray and validated by real-time PCR. Survival analysis was evaluated using the Kaplan-Meier method and assessed using the log-rank test. In vitro and in vivo assays were preformed to explore the biological effects of miR503HG in HCC cells. The interaction of miR503HG with HNRNPA2B1 was identified by RNA pull-down and RNA immunoprecipitation...
2018: Theranostics
https://www.readbyqxmd.com/read/29773005/anti-inflammatory-potential-of-in-vitro-cultures-of-the-white-button-mushroom-agaricus-bisporus-agaricomycetes-in-caco-2-cells
#11
Bozena Muszynska, Agata Grzywacz, Katarzyna Kala, Joanna Gdula-Argasinska
Agaricus bisporus (white button mushroom) is one of the most popular culinary-medicinal mushrooms worldwide. This species has for decades been the subject of numerous scientific studies. The aim of this study was to examine the pro- or anti-inflammatory properties of A. bisporus and biomass extracts from in vitro cultures growing in Oddoux medium enriched with α-linolenic acid in colon epithelial Caco-2 cells activated with lipopolysaccharide (LPS) and tumor necrosis factor (TNF)-α. Incubation of Caco-2 cells with A...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29770797/correlation-of-the-predisposition-of-chinese-children-to-cerebral-palsy-with-nucleotide-variation-in-pri-mir-124-that-alters-the-non-canonical-apoptosis-pathway
#12
Hui Li, Xiu-Li Wang, Yan-Qiu Wu, Xiu-Mei Liu, Ai-Min Li
Cerebral palsy is a group of non-progressive motor impairment syndromes caused by brain lesions during development. Herein, we investigated the relationship between nucleotide variations in a miRNA coding region and the predisposition of Chinese children to cerebral palsy. A total of 233 CP patients and 256 healthy participants were enrolled, and 60 children were selected from each group for plasma miRNA detection. We screened the coding regions of pri-miR-124-1, -2, and -3 using PCR and sequencing. The expression of miR-124 was determined by qRT-PCR...
May 17, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29770329/aeg-1-contributes-to-metastasis-in-hypoxia-related-ovarian-cancer-by-modulating-the-hif-1alpha-nf-kappab-vegf-pathway
#13
Xiaoyu Yu, Yan Wang, Huilei Qiu, Hongtao Song, Di Feng, Yang Jiang, Shuzhe Deng, Hongxue Meng, Jingshu Geng
Objective: Ovarian carcinoma represents one of the deadliest malignancies among female cancer patients. Astrocyte-elevated gene-1 (AEG-1) participates in the ontogenesis of multiple human malignant diseases. Here we evaluated AEG-1, hypoxia-inducible factor- (HIF-) 1 α , nuclear factor kappa-light-chain-enhancer of activated B cells (NF- κ B), and vascular endothelial growth factor (VEGF) amounts in hypoxia induced ovarian carcinoma cells. This study aimed to explore the mechanism by which AEG-1 regulates metastasis in hypoxia induced ovarian carcinoma...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29766433/the-role-of-heat-shock-protein-70-in-oxidant-stress-and-inflammatory-injury-in-quail-spleen-induced-by-cold-stress
#14
Jiayi Ren, Chunpeng Liu, Dan Zhao, Jing Fu
The aim of this study was to investigate the role of heat shock protein 70 (Hsp70) in oxidative stress and inflammatory damage in the spleen of quails which were induced by cold stress. One hundred ninety-two 15-day-old male quails were randomly divided into 12 groups and kept at 12 ± 1 °C to examine acute and chronic cold stress. We first detected the changes in activities of antioxidant enzymes in the spleen tissue under acute and chronic cold stress. The activities of glutathione peroxidase (GSH-Px) fluctuated in acute cold stress groups, while they were significantly decreased (p < 0...
May 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29766401/penehyclidine-hydrochloride-decreases-pulmonary-microvascular-endothelial-inflammatory-injury-through-a-beta-arrestin-1-dependent-mechanism
#15
Fei Zheng, Fei Xiao, Qing-Hong Yuan, Qiang-Sheng Liu, Zong-Ze Zhang, Yan-Lin Wang, Jia Zhan
Penehyclidine hydrochloride (PHC), a type of hyoscyamus drug, has both antimuscarinic and antinicotinic activities and retains potent central and peripheral anticholinergic activities. Compared with other hyoscyamine, the notable advantage of PHC is that it has few M2 receptor-associated cardiovascular side effects. Recent studies and clinical trials have suggested that treatment with penehyclidine hydrochloride may also possess good effects in the treatment of lung injury. The mechanism responsible for this effect has yet to be determined; however, one possibility is that they might do so by a direct effect on pulmonary vascular endothelium...
May 15, 2018: Inflammation
https://www.readbyqxmd.com/read/29766333/treatment-of-donor-cells-with-recombinant-kdm4d-protein-improves-preimplantation-development-of-cloned-ovine-embryos
#16
Yumei Zhang, Qianqian Wang, Kailing Liu, Enen Gao, Hong Guan, Jian Hou
Incomplete epigenetic reprogramming is one of the major factors affecting the development of embryos cloned by somatic cell nuclear transfer (SCNT). Histone 3 lysine 9 (H3K9) trimethylation has been identified as a key barrier to efficient reprogramming by SCNT. The aim of this study was to explore a method of downregulating H3K9me3 levels in donor cells by using histone lysine demethylase (KDM) protein. When sheep fetal fibroblast cells were treated with recombinant human KDM4D protein (rhKDM4D), the levels of H3K9 trimethylation and dimethylation were both significantly decreased...
May 15, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29765550/mtbp-inhibits-the-erk1-2-elk-1-signaling-in-hepatocellular-carcinoma
#17
Atul Ranjan, Swathi V Iyer, Christopher Ward, Tim Link, Francisco J Diaz, Animesh Dhar, Ossama W Tawfik, Steven A Weinman, Yoshiaki Azuma, Tadahide Izumi, Tomoo Iwakuma
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide, and the prognosis of HCC patients, especially those with metastasis, remains extremely poor. This is partly due to unclear molecular mechanisms underlying HCC metastasis. Our previous study indicates that MDM2 Binding Protein (MTBP) suppresses migration and metastasis of HCC cells. However, signaling pathways regulated by MTBP remain unknown. To identify metastasis-associated signaling pathways governed by MTBP, we have performed unbiased luciferase reporter-based signal array analyses and found that MTBP suppresses the activity of the ETS-domain transcription factor Elk-1, a downstream target of Erk1/2 MAP kinases...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29764933/discovery-of-peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-activators-with-a-ligand-screening-system-using-a-human-ppar%C3%AE-expressing-cell-line
#18
Keisuke Tachibana, Tomohiro Yuzuriha, Ryotaro Tabata, Syohei Fukuda, Takashi Maegawa, Rika Takahashi, Keiichi Tanimoto, Hirofumi Tsujino, Kazuto Nunomura, Bangzhong Lin, Yoshiharu Matsuura, Toshiya Tanaka, Takao Hamakubo, Juro Js Sakai, Tatsuhiko Kodama, Tadayuki Kobayashi, Kenji Ishimoto, Hiroyuki Miyachi, Takefumi Doi
Peroxisome proliferator-activated receptor alpha (PPARα) is a ligand-activated transcription factor that belongs to the superfamily of nuclear hormone receptors. PPARα is mainly expressed in the liver, where it activates fatty acid oxidation and lipoprotein metabolism and improves plasma lipid profiles. Therefore, PPARα activators are often used to treat patients with dyslipidemia. To discover additional PPARα activators as potential compounds for use in hypolipidemic drugs, here we established human hepatoblastoma cell lines with luciferase reporter expression from the promoters containing peroxisome proliferator responsive elements (PPRE) and tetracycline-regulated expression of full-length human PPARα to quantify the effects of chemical ligands on PPARα activity...
May 15, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29763384/the-effects-of-dihydroartemisinin-on-inflammatory-bowel-disease-related-bone-loss-in-a-rat-model
#19
Xingtao Ge, Zhijian Chen, Zhenjie Xu, Fang Lv, Kewei Zhang, Yu Yang
Bone loss is one of the important extra-intestinal manifestations in patients with inflammatory bowel diseases (IBDs). Compounds derived from natural products have been used to treat IBDs. However, the role of natural products on IBD-induced bone loss is not completely clarified. In the present study, we observed the effects of dihydroartemisinin (DHA), an antimalaria drug, on IBD and IBD-induced bone loss in a rat model. Chronic IBD model was established in Sprague-Dawley rats by giving them 2.5% dextran sodium sulfate in drinking water...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29760914/gas-stunning-with-co-2-affected-meat-color-lipid-peroxidation-oxidative-stress-and-gene-expression-of-mitogen-activated-protein-kinases-glutathione-s-transferases-and-cu-zn-superoxide-dismutase-in-the-skeletal-muscles-of-broilers
#20
Lei Xu, Haijun Zhang, Hongyuan Yue, Shugeng Wu, Haiming Yang, Zhiyue Wang, Guanghai Qi
Background: Meat color and lipid peroxidation are important traits related to meat quality. CO2 concentration is a critical factor that can affect meat quality in the commercial use of gas stunning (GS). However, the effect and mechanism of CO2 stunning on meat color and lipid peroxidation during long-term storage remain poorly studied. We aimed to study the effects of GS methods, especially CO2 concentration, on meat color and meat lipid peroxidation in broilers during long-term storage at 4 °C and to explore the potential mechanism of meat color change via lipid peroxidation and the inner lipid peroxide scavenging system...
2018: Journal of Animal Science and Biotechnology
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