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https://www.readbyqxmd.com/read/29783120/canine-mesenchymal-stem-cells-treated-with-tnf-%C3%AE-and-ifn-%C3%AE-enhance-anti-inflammatory-effects-through-the-cox-2-pge-2-pathway
#1
Hye-Mi Yang, Woo-Jin Song, Qiang Li, Su-Yeon Kim, Hyeon-Jin Kim, Min-Ok Ryu, Jin-Ok Ahn, Hwa-Young Youn
Mesenchymal stem cells (MSCs) have been used in studies on treatment of various diseases, and their application to immune-mediated diseases has garnered interest. Various methods for enhancing the immunomodulation effect of human MSCs have been used; however, similar approaches for canine MSCs are relatively unexplored. Accordingly, we evaluated immunomodulatory effects and mechanisms in canine MSCs treated with TNF-α and IFN-γ. Lipopolysaccharide (LPS)-stimulated RAW 264.7 cells were incubated with the conditioned media (CM) from canine MSCs for 48 h...
May 14, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29783074/fsh-receptor-binding-inhibitor-restrains-follicular-development-and-possibly-attenuates-carcinogenesis-of-ovarian-cancer-through-down-regulating-expression-levels-of-fshr-and-er%C3%AE-in-normal-ovarian-tissues
#2
Gong Zhuandi, Che Tuanjie, Lai Luju, Ayimuguli Abdiryim, Deng Yingying, Liang Haoqin, Wei Suocheng, Ding Li
OBJECTIVES: The current study aimed to investigate FSH receptor binding inhibitor (FRBI) effects in the expressions of FSH receptor (FSHR) and estrogen receptor-beta (ERβ) in the mice ovaries at the gene and protein levels, also to find the potential efficacy of FRBI on suppressing ovarian cancer through down-regulating over-expression of FSHR and ERβ in the normal ovarian tissues. METHODS: 180 female mice were randomized into six groups (n = 30). Mice of FRBI-1, FRBI-2 and FRBI-3, FRBI-4 were intramuscularly injected with FRBI of 10, 20, 30 and 40 mg/kg, respectively, for five consecutive days...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29783071/mef2a-regulates-calpain-3-expression-in-l6-myoblasts
#3
Ronghua Wu, Jun Wang, Jian Yao, Zhangji Dong, Yan Liu, Mei Liu
Calpain 3 (Capn3), a skeletal muscle-specific member of the calpain family, executes some non-proteolytic functions besides its role as a Ca2+ -regulated proteolytic enzyme. Previously, we found that changes in Capn3 expression were linearly correlated with the degree of muscular atrophy following reversible sciatic nerve injury and that knockdown of Capn3 gene expression promoted myoblast differentiation. While the regulation of capn3 gene expression is interesting, transcriptional regulation of Capn3 is still unclear...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29782872/oxyfadichalcone-c-inhibits-melanoma-a375-cell-proliferation-and-metastasis-via-suppressing-pi3k-akt-and-mapk-erk-pathways
#4
Xiaolin Peng, Zhengming Wang, Yang Liu, Xin Peng, Yao Liu, Shan Zhu, Zhe Zhang, Yuling Qiu, Meihua Jin, Ran Wang, Qingying Zhang, Dexin Kong
AIMS: Melanoma remains to be one of the most incurable cancers. Discovery of novel antitumor agent for melanoma therapy is expected. We recently isolated Oxyfadichalcone C from Oxytropis falcate and investigated the anti-proliferative and anti-metastatic activity on human melanoma A375 cells in vitro. MAIN METHODS: Cell viability was determined using MTT assay and soft agar cloning formation assay. The effect of Oxyfadichalcone C on cell cycle distribution and apoptosis were analyzed by flow cytometry...
May 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29782871/neuralized1a-regulates-asymmetric-division-in-mouse-lewis-lung-carcinoma-cells
#5
Liangsheng Kong, Jingyuan Li, Yongli Liu, Zhiwei Sun, Shixia Zhou, Junling Tang, Ting Ye, Jianyu Wang, H Rosie Xing
Asymmetric division (ASD), the unique characteristic of normal stem cells, is regarded as a stemness marker when applied to the study of cancer stem cells (CSCs). However, the role of ASD in the self-renewal of CSCs and its regulation remain largely unknown. Here, we first established a mouse Lewis lung carcinoma CSC cell line that could undergo asymmetric division (LLC-ASD cells) derived from the parental mouse Lewis lung carcinoma cancer cells (LLC-Parental cells). In vitro assessment of stemness by RT-qPCR and western blot analysis of stem cell markers, clonogenic assay (p < 0...
May 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29782860/tetramethylpyrazine-attenuates-lipopolysaccharide-induced-cardiomyocyte-injury-via-improving-mitochondrial-function-mediated-by-14-3-3%C3%AE
#6
Bowei Huang, Jiegeng You, Yang Qiao, Zelong Wu, Dan Liu, Dong Yin, Huan He, Ming He
Lipopolysaccharide (LPS) is one of the many reasons that can cause myocardial injury. Our previous works have demonstrated that 14-3-3γ could protect myocardium against LPS-induced injury. Tetramethylpyrazine (TMP), an alkaloid found in Chinese herbs, exerts myocardial protection in many ways with multiple targets. We hypothesized that the cardioprotection of TMP against LPS-induced injury is attributed to upregulation of 14-3-3γ and improvement of mitochondrial function. To test the hypothesis, we investigated the effects of TMP on LPS-induced injury to cardiomyocytes by determining cell viability, LDH and caspase-3 activities, reactive oxygen species and MMP levels, mPTP openness, and apoptosis rate...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782859/a-paeonol-derivative-yph-pa3-promotes-the-differentiation-of-monocyte-macrophage-lineage-precursor-cells-into-osteoblasts-and-enhances-their-autophagy
#7
Chun-Hao Tsai, Ming-Hua Hsu, Po-Hao Huang, Chin-Tung Hsieh, Ying-Ming Chiu, Dong-Chen Shieh, Yi-Ju Lee, Gregory J Tsay, Yi-Ying Wu
Previous studies have indicated that paeonol inhibits RANKL-induced osteoclastogenesis by inhibiting the ERK, p38, and NF-κB pathway. We modified paeonol to form a new compound, YPH-PA3, and found that it promoted osteoclastogenesis rather than inhibited it the way paeonol does. The aim of this study is to investigate the mechanisms involved in YPH-PA3-promoted osteoclastogenesis. YPH-PA3-promoted differentiation of RAW264.7 cells (human monocytes) into osteoclasts is activated through ERK/p38/JNK phosphorylation, affecting c-FOS, NF-κB, and NFATc2...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782858/the-antidepressant-effects-of-%C3%A9-tocopherol-are-related-to-activation-of-autophagy-via-the-ampk-mtor-pathway
#8
Xiaoyan Huang, Haoran Wu, Ruizhi Jiang, Guangda Sun, Jiali Shen, Mengling Ma, Chuanhui Ma, Shijia Zhang, Zhiheng Huang, Qinan Wu, Gang Chen, Weiwei Tao
The purpose of the present study was to investigate whether ɑ-tocopherol exhibited neuro-protective effects in chronic unpredictable mild stress (CUMS) mice through the regulation of autophagy. Deficits in behavioural tests, including a sucrose preference test, open field test, forced swim test, and tail suspension test, were ameliorated following ɑ-tocopherol administration. To study the potential mechanism, western blots were performed on both prefrontal cortex and hippocampus samples. Similar to the degree of autophagy, the activities of adenosine monophosphate-activated protein kinase (AMPK) and Unci-51 like autophagy activating kinase-1 (ULK1) were decreased after CUMS stimulation...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782854/combined-treatment-with-sorafenib-and-silibinin-synergistically-targets-both-hcc-cells-and-cancer-stem-cells-by-enhanced-inhibition-of-the-phosphorylation-of-stat3-erk-akt
#9
Jie Mao, Hongbao Yang, Tingting Cui, Pan Pan, Nadia Kabir, Duo Chen, Jinyan Ma, Xingyi Chen, Yijun Chen, Yong Yang
Silibinin, a nontoxic bioactive component in milk thistle, is used as a liver-protective drug in the clinic mainly because of its antioxidant and anti-inflammation activities. In this study, we studied the cytotoxic effects of silibinin combined with sorafenib on hepatocellular carcinoma (HCC). The results indicated that silibinin combined with sorafenib potently inhibited the proliferation of various HCC cells and induced significant apoptosis. In an HCC subcutaneous transplantation tumor model, the combination of silibinin and sorafenib significantly suppressed tumor growth compared with monotherapy...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782350/effect-of-pyruvate-kinase-m2-regulating-aerobic-glycolysis-on-chemotherapy-resistance-of-estrogen-receptor-positive-breast-cancer
#10
Yuejun Qian, Lina Bi, Yingxu Yang, Dong Wang
This study aims to explore the effect and mechanism of pyruvate kinase M2 (PKM2) on chemotherapy resistance of estrogen receptor-positive breast cancer (ER BC) by regulating aerobic glycolysis. The expression of PKM2 in ER BC MCF-7 cells, T47D cells and MCF-7/ADR cells (which are subject to adriamycin/ADR induction) were determined by quantitative real-time PCR and western blot. MCF-7/ADR (M/A) cells were grouped into blank group (M/A), negative group (M/A+NC), low expression of PKM2 group (M/A+si-PKM2 group), overexpression of PKM2 group (M/A+PKM2 group) and glycolysis inhibition group (M/A+PKM2+2-DG group)...
May 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29782349/lncrna-malat-1-competitively-regulates-mir-124-to-promote-emt-and-development-of-non-small-cell-lung-cancer
#11
Jiasheng Wu, Yueyue Weng, Fei He, Dong Liang, Lin Cai
This study was carried out to explore the mechanism of LncRNA MALAT-1 as a competing endogenous RNA to regulate miR-124 in epithelial-mesenchymal transition and development of non-small-cell lung cancer (NSCLC). NSCLC and adjacent tissues were collected for RT-qPCR. The correlation of MALAT-1 and miR-124 was analyzed by Pearson. MALAT-1 expression was measured in NSCLC A549, NCI-H460, NCI-H529, SK-MES-1 cells, and 16HBE cells. A549 cells were selected for cell transfection experiments after the creation of six groups...
May 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29781747/sialylation-pattern-in-lung-epithelial-cell-line-and-siglecs-expression-in-monocytic-thp-1-cells-as-cellular-indicators-of-cigarette-smoke-induced-pathology-in-vitro
#12
Przemyslaw Wielgat, Emil Trofimiuk, Robert Czarnomysy, Adam Holownia, Jan J Braszko
PURPOSE: Cellular response to cigarette smoke (CS) involves activation of recognition receptors resulting in changes in immune status, oxidative stress and cell turnover. We investigated the effects of CS on sialic acid-binding immunoglobulin type lectins (Siglecs) expression and their sialylated ligands in human immune and non-immune cells. METHODS: Human monocytes (THP-1) and epithelial cells (A549) were cultured in CS-conditioned medium (CSM). Expression of Siglec-8 and Siglec-5/Siglec-14 was analysed in THP-1 cells using flow cytometry...
May 21, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29781566/the-5-ht7-receptor-is-up-regulated-in-onuf-s-nucleus-in-rats-with-chronic-spinal-cord-injury
#13
Jianshu Ni, Nailong Cao, Xiaohu Wang, Changsheng Zhan, Jiemin Si, Baojun Gu, Karl-Erik Andersson
OBJECTIVES: To examine the effect of intrathecal 5-HT7 agonist administration on voiding function in urethane-anesthetized rat, and the change of 5-HT7 receptor expression in lumbosacral cord Onuf's nucleus after SCI. MATERIALS AND METHODS: Thirty-two female Sprague-Dawley (SD) rats were divided into spinally intact (SI) group and SCI group (n=16 each). Eight weeks after transection, half of the rats underwent continuous cystometry under urethane anesthetization, and the 5-HT7 selective agonist LP44 was given intrathecally...
May 21, 2018: BJU International
https://www.readbyqxmd.com/read/29781491/oleuropein-and-hydroxytyrosol-rich-extracts-from-olive-leaves-attenuate-liver-injury-and-lipid-metabolism-disturbance-in-bisphenol-a-treated-rats
#14
Asma Mahmoudi, Fatma Hadrich, Ines Feki, Hela Ghorbel, Zouhaier Bouallagui, Rim Marrekchi, Hela Fourati, Sami Sayadi
In the present study, we investigated the protective effects of oleuropein- and hydroxytyrosol-rich extracts obtained from olive leaves against bisphenol A (BPA)-induced hyperlipidemia and liver injury in male rats. For this purpose, four groups of male rats (8 per group) were used: control group (Control), rats treated with BPA, rats treated with both BPA and oleuropein (OLE-BPA), and rats treated with both BPA and hydroxytyrosol (HYT-BPA). After 60 days of treatment, the results obtained using the DXA technique showed that treatment with BPA (10 mg per kg b...
May 21, 2018: Food & Function
https://www.readbyqxmd.com/read/29781405/changes-of-hippocampus-proteomic-profiles-after-blueberry-extracts-supplementation-in-app-ps1-transgenic-mice
#15
Hai-Qiang Li, Long Tan, Hong-Peng Yang, Wei Pang, Tong Xu, Yu-Gang Jiang
OBJECTIVE: To examine protein changes in the hippocampus of APP/PS1 transgenic mice after blueberry extracts (BB) intervention. METHODS: Eight APP/PS1 transgenic mice were randomly assigned to Alzheimer's disease (AD)+BB group (n=4) and AD+control group (n=4). After a 16-week treatment, 2-DE and MALDI-TOF-MS were used to compare the proteomic profiles of the hippocampus in the two groups and Western blot was used to confirm the important differentially expressed proteins...
May 21, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29781354/effects-and-possible-mechanisms-of-alpinia-officinarum-ethanol-extract-on-indomethacin-induced-gastric-injury-in-rats
#16
Jingwen Gong, Zhong Zhang, Xuguang Zhang, Feng Chen, Yinfeng Tan, Hailong Li, Jie Jiang, Junqing Zhang
CONTEXT: Alpinia officinarum Hance (Zingiberoside) has a long history in treating gastrointestinal diseases, but its mechanisms of action are not yet known. OBJECTIVE: To investigate the effects and underlying mechanisms of the ethanol extract of A. officinarum rhizomes in an indomethacin-induced gastric injury rat model. MATERIAL AND METHODS: Indomethacin (0.3 g/kg) was orally administered to Sprague-Dawley rats to induce gastric damage; after 7 h, the rats were treated with 0...
December 2018: Pharmaceutical Biology
https://www.readbyqxmd.com/read/29781256/improved-performance-in-mammalian-cell-perfusion-cultures-by-growth-inhibition
#17
Moritz K F Wolf, Aurélie Closet, Monika Bzowska, Jean-Marc Bielser, Jonathan Souquet, Hervé Broly, Massimo Morbidelli
Mammalian cell perfusion cultures represent a promising alternative for the production of various biopharmaceuticals to the current fed-batch technology. Long-term operation at a fixed viable cell density (VCD) requires a viable culture and a constant removal of excessive cells. Product loss in the cell removing bleed stream deteriorates the process yield. In this study, we investigated the use of chemical and environmental growth inhibition on culture performance by either adding valeric acid (VA) to the production media or by reducing the culture temperature (33...
May 21, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29781122/protective-effects-of-endothelial-progenitor-cell-derived-extracellular-mitochondria-in-brain-endothelium
#18
Kazuhide Hayakawa, Su Jing Chan, Emiri T Mandeville, Ji Hyun Park, Morgan Bruzzese, Joan Montaner, Ken Arai, Anna Rosell, Eng H Lo
Endothelial progenitor cells (EPCs) have been pursued as a potential cellular therapy for stroke and central nervous system injury. However, their underlying mechanisms remain to be fully defined. Recent experimental studies suggest that mitochondria may be released and transferred between cells. In this proof-of-concept study, we asked whether beneficial effects of EPCs may partly involve a mitochondrial phenomenon as well. First, EPC-derived conditioned medium was collected and divided into supernatant and particle fractions after centrifugation...
May 21, 2018: Stem Cells
https://www.readbyqxmd.com/read/29781095/gasoline-exhaust-damages-spermatogenesis-through-downregulating-%C3%AE-6-integrin-and-%C3%AE-1-integrin-in-the-rat-model
#19
L Luo, E Li, S Zhao, J Wang, Z Zhu, Y Liu, J Luo, Z Zhao
The health influence of air pollution has been an international public health concern. Increasing evidence has suggested that air pollution has been associated with decreased sperm quality. However, the underlying molecular mechanisms are still not fully elucidated. We aimed to verify whether gasoline exhaust leads to reproductive impairment by injuring spermatogonial stem cells and explore its underlying molecular mechanism. Twenty male Sprague-Dawley rats were randomly divided into two groups: the exposure group (n = 10) and the control group (n = 10)...
May 20, 2018: Andrologia
https://www.readbyqxmd.com/read/29781035/knockdown-of-kpna2-inhibits-autophagy-in-oral-squamous-cell-carcinoma-cell-lines-by-blocking-p53-nuclear-translocation
#20
Feng Lin, Li Gao, Zhenyu Su, Xiaofang Cao, Yuanbo Zhan, Ying Li, Bin Zhang
Oral squamous cell carcinoma (OSCC), one of the 10 most common types of neoplasms in the US, constitutes ~90% of all cases of oral malignancies. Chemoresistance and metastasis are difficult to avoid during the course of treatment, leading to a poor prognosis and a high mortality rate for patients with OSCC. Autophagy, a critical conserved cellular process, has been reported to be highly associated with the regulation of chemoresistance and metastasis of cancer cells. The present study investigated the role of karyopherin α2 (KPNA2), a member of the importin α family, which may serve an important role in p53 nucleocytoplasmic transport in the process of OSCC autophagy...
May 17, 2018: Oncology Reports
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