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Total 31 results found since Jan 2013.

Regulation of Chromatin Assembly and Cell Transformation by Formaldehyde Exposure in Human Cells
Conclusions: We propose that the inhibition of chromatin assembly represents a novel mechanism of cell transformation induced by the environmental and occupational chemical carcinogen FA. https://doi.org/10.1289/EHP1275 Received: 25 October 2016 Revised: 19 May 2017 Accepted: 23 May 2017 Published: 21 September 2017 Address correspondence to C. Jin, Dept. of Environmental Medicine, New York University School of Medicine, 57 Old Forge Rd., Tuxedo Park, NY 10987 USA. Telephone: (845) 731-3602. Email: Chunyuan.jin@nyumc.org *Current affiliation: Medical School of Nanjing University, Nanjing, China. †Current affiliatio...
Source: EHP Research - September 21, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Resveratrol Promotes Diabetic Wound Healing via SIRT1-FOXO1-c-Myc Signaling Pathway-Mediated Angiogenesis
Conclusion: Our findings indicate that the positive role of RES in diabetic wound healing via its SIRT1-dependent endothelial protection and pro-angiogenic effects involves the inhibition of FOXO1 and the de-repression of c-Myc expression. Introduction Diabetes mellitus is a metabolic disease with an increasing incidence worldwide (Zimmet et al., 2014). The disease often leads to the development of serious complications such as microangiopathy, mainly including retinopathy, nephropathy, neuropathy, and diabetic non-healing skin ulcers (Zheng et al., 2018). Diabetic non-healing skin ulcers such as foot ulcers are ca...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

Non-canonical Notch Signaling Regulates Actin Remodeling in Cell Migration by Activating PI3K/AKT/Cdc42 Pathway
In conclusion, our research results indicate that DAPT activates PI3K/AKT/Cdc42 signaling by non-canonical Notch pathway, and the activated Cdc42 promotes the filopodia formation and inhibits lamellipodia assembly, resulting in reduced migration of breast cancer cells. The results imply that non-canonical Notch signaling may play a very important role in the rapid response of cells to the extracellular signals. Author Contributions LG, JD, and LL designed the study and wrote and revised the manuscript. LL and LZ performed most of the experiments and data analysis. SZ, X-YZ, P-XM, Y-DM, Y-YW, YC, S-JT, and Y-JZ assisted i...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research

PGC1 β Regulates Breast Tumor Growth and Metastasis by SREBP1-Mediated HKDC1 Expression
Conclusions: PGC1β regulates breast cancer tumor growth and metastasis by SREBP1-mediated HKDC1 expression. This provides a novel therapeutic strategy through targeting the PGC1β/HKDC1 signaling pathway for breast cancer treatment. Introduction Breast cancer is a very common cancer with significant premature mortality in women. Around 12% of women in USA will have chance to be diagnosed with breast cancer during their lifetimes (1, 2). The development of breast cancer is regulated by many factors, and even as average survival rates have increased significantly as a result of many advanced treatments...
Source: Frontiers in Oncology - April 16, 2019 Category: Cancer & Oncology Source Type: research

Xihuang Pill Induces Apoptosis of Human Glioblastoma U-87 MG Cells via Targeting ROS-Mediated Akt/mTOR/FOXO1 Pathway.
In conclusion, we demonstrate for the first time that XHP may regulate glioblastoma U-87 MG cell apoptosis via ROS-mediated Akt/mTOR/FOXO1 pathway. PMID: 30046342 [PubMed]
Source: Evidence-based Complementary and Alternative Medicine - July 27, 2018 Category: Complementary Medicine Tags: Evid Based Complement Alternat Med Source Type: research

Inhibitory Effects of Oxymatrine on Transdifferentiation of Neonatal Rat Cardiac Fibroblasts to Myofibroblasts Induced by Aldosterone via Keap1/Nrf2 Signaling Pathways In Vitro.
CONCLUSIONS Our results confirm that OMT alleviates transdifferentiation of cardiac fibroblasts to myofibroblasts induced by aldosterone via activating the Nrf2/Keap1 pathway in vitro. PMID: 31325292 [PubMed - in process]
Source: Medical Science Monitor - July 21, 2019 Category: Research Tags: Med Sci Monit Source Type: research

Andrographolide Inhibits Oxidized LDL-Induced Cholesterol Accumulation and Foam Cell Formation in Macrophages.
In conclusion, inhibition of CD36-mediated oxLDL uptake and induction of ABCA1- and ABCG1-dependent cholesterol efflux are two working mechanisms by which andrographolide inhibits macrophage foam cell formation, which suggests that andrographolide could be a potential candidate to prevent atherosclerosis. PMID: 29298513 [PubMed - as supplied by publisher]
Source: The American Journal of Chinese Medicine - January 3, 2018 Category: Complementary Medicine Authors: Lin HC, Lii CK, Chen HC, Lin AH, Yang YC, Chen HW Tags: Am J Chin Med Source Type: research

Shikonin upregulates the expression of drug-metabolizing enzymes and drug transporters in primary rat hepatocytes
Conclusions Shikonin effectively upregulates the transcription of CYP isozymes, phase II detoxification enzymes, and phase III membrane transporters and this function is at least partially through activation of AhR and Nrf2. Moreover, Nrf2 activation is dependent on mitogen-activated protein kinases. Graphical abstract
Source: Journal of Ethnopharmacology - February 4, 2018 Category: Drugs & Pharmacology Source Type: research

Duhuo Jisheng Decoction inhibits SDF-1-induced inflammation and matrix degradation in human degenerative nucleus pulposus cells in vitro through the CXCR4/NF- κB pathway.
Duhuo Jisheng Decoction inhibits SDF-1-induced inflammation and matrix degradation in human degenerative nucleus pulposus cells in vitro through the CXCR4/NF-κB pathway. Acta Pharmacol Sin. 2018 May 24;: Authors: Liu ZC, Wang ZL, Huang CY, Fu ZJ, Liu Y, Wei ZC, Liu SG, Ma C, Shen JL, Duan DD Abstract Lower back pain (LBP) is the most common disease in orthopedic clinics world-wide. A classic fangji of traditional Chinese medicine, duhuo jisheng decoction (DHJSD), has been proven clinically effective for LBP but its therapeutic mechanisms remain unclear. We hypothesized that DHJSD might relieve LBP th...
Source: Acta Pharmacologica Sinica - May 24, 2018 Category: Drugs & Pharmacology Authors: Liu ZC, Wang ZL, Huang CY, Fu ZJ, Liu Y, Wei ZC, Liu SG, Ma C, Shen JL, Duan DD Tags: Acta Pharmacol Sin Source Type: research

Modified Ginseng Extract Induces Apoptosis in HepG2 Cancer Cells by Blocking the CXCL8-Mediated Akt/Nuclear Factor-Formula: see textB Signaling Pathway.
Abstract The cytokine C-X-C motif chemokine ligand 8 (CXCL8) is produced in the tumor microenvironment and has an important role in cancer pathogenesis. CXCL8 activates the nuclear factor (NF)-[Formula: see text]B signaling. However, the role of NF-[Formula: see text]B inactivation in apoptosis induced by negative regulation of CXCL8 remains unclear. Here, we assessed the effects of MRGX on the transcriptional activity of NF-[Formula: see text]B and the expression of tumor necrosis factor (TNF)-[Formula: see text]-stimulated target genes in liver cancer cells. Furthermore, we found that modified regular ginseng ex...
Source: The American Journal of Chinese Medicine - October 4, 2018 Category: Complementary Medicine Authors: Cui ZY, Jo E, Jang HJ, Hwang IH, Lee KB, Yoo HS, Park SJ, Jung MK, Lee YW, Jang IS Tags: Am J Chin Med Source Type: research

Shikonin Suppresses Lymphangiogenesis via NF- κB/HIF-1α Axis Inhibition.
In conclusion, shikonin inhibits lymphangiogenesis in vitro by interfering the NF-κB/HIF-1α pathway and involves in suppression of VEGF-C and VEGFR-3 mRNA expression. PMID: 30381665 [PubMed - in process]
Source: Biological and Pharmaceutical Bulletin - November 2, 2018 Category: Drugs & Pharmacology Authors: Prangsaengtong O, Jantaree P, Lirdprapamongkol K, Svasti J, Koizumi K Tags: Biol Pharm Bull Source Type: research

3-dehydroandrographolide protects against lipopolysaccharide-induced inflammation through the cholinergic anti-inflammatory pathway.
In this study, murine macrophage RAW 264.7 cells and BALB/c mice were treated with LPS (lipopolysaccharide, 100 ng/ml in vitro; 3 mg/kg, intratracheal) to establish inflammation models. 3-DA attenuated the release of pro-inflammatory cytokines IL-6 and TNF-α, inhibited the degradation and phosphorylation of IκBα, and suppressed the nuclear translocation of NF-κB p65 as well as the phosphorylation of Akt at Ser473 in LPS-stimulated RAW 264.7 macrophage cells. Furthermore, 3-DA increased α7nAchR expression level and bound with α7nAchR. More importantly, the anti-inflammatory effects of 3-DA were counteracted in the pre...
Source: Biochemical Pharmacology - November 1, 2018 Category: Drugs & Pharmacology Authors: Lu Z, Xie P, Zhang D, Sun P, Yang H, Ye J, Cao H, Huo C, Zhou H, Chen Y, Ye W, Yu L, Liu J Tags: Biochem Pharmacol Source Type: research

ROS-induced HSP70 promotes cytoplasmic translocation of high-mobility group box 1b and stimulates antiviral autophagy in grass carp kidney cells Cell Biology
In this study, we found that both grass carp reovirus (GCRV) infection and hydrogen peroxide (H2O2) treatment induced the accumulation of reactive oxygen species (ROS) in C. idella kidney cells and stimulate autophagy. Suppressing ROS accumulation with N-acetyl-l-cysteine significantly inhibited GCRV-induced autophagy activation and enhanced GCRV replication. Although ROS-induced autophagy, in turn, restricted GCRV replication, further investigation revealed that the multifunctional cellular protein high-mobility group box 1b (HMGB1b) serves as a heat shock protein 70 (HSP70)–dependent, pro-autophagic protein in grass ca...
Source: Journal of Biological Chemistry - November 9, 2018 Category: Chemistry Authors: Youliang Rao, Quanyuan Wan, Hang Su, Xun Xiao, Zhiwei Liao, Jianfei Ji, Chunrong Yang, Li Lin, Jianguo Su Tags: Immunology Source Type: research

Cafestol Activates Nuclear Factor Erythroid-2 Related Factor 2 and Inhibits Urotensin II-Induced Cardiomyocyte Hypertrophy.
Abstract Through population-based studies, associations have been found between coffee drinking and numerous health benefits, including a reduced risk of cardiovascular disease. Active ingredients in coffee have therefore received considerable attention from researchers. A wide variety of effects have been attributed to cafestol, one of the major compounds in coffee beans. Because cardiac hypertrophy is an independent risk factor for cardiovascular events, this study examined whether cafestol inhibits urotensin II (U-II)-induced cardiomyocyte hypertrophy. Neonatal rat cardiomyocytes were exposed only to U-II (1 nM...
Source: The American Journal of Chinese Medicine - March 13, 2019 Category: Complementary Medicine Authors: Hao WR, Sung LC, Chen CC, Hong HJ, Liu JC, Chen JJ Tags: Am J Chin Med Source Type: research

Hepatoma-Derived Growth Factor and DDX5 Promote Carcinogenesis and Progression of Endometrial Cancer by Activating β-Catenin
Conclusion: Our results provide novel evidence that HDGF interacts with DDX5 and promotes the progression of EC through the induction of β-catenin. Introduction Endometrial cancer (EC) comprises the most common malignancy involving the female genital tract and the fourth most common malignancy in women after breast, lung, and colorectal cancers (1). In 2012, approximately 320,000 new cases of EC were diagnosed worldwide and the incidence is increasing (2). Currently, endometrial carcinogenesis is thought to be a multi-step process involving the coordinated interaction of hormonal regulation, gene mutation, ad...
Source: Frontiers in Oncology - April 10, 2019 Category: Cancer & Oncology Source Type: research