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International Journal of Molecular Medicine

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https://www.readbyqxmd.com/read/27922691/microarray-expression-profiles-of-genes-in-lung-tissues-of-rats-subjected-to-focal-cerebral-ischemia-induced-lung-injury-following-bone-marrow-derived-mesenchymal-stem-cell-transplantation
#1
Yue Hu, Liu-Lin Xiong, Piao Zhang, Ting-Hua Wang
Ischemia-induced stroke is the most common disease of the nervous system and is associated with a high mortality rate worldwide. Cerebral ischemia may lead to remote organ dysfunction, particular in the lungs, resulting in lung injury. Nowadays, bone marrow-derived mesenchymal stem cells (BMSCs) are widely studied in clinical trials as they may provide an effective solution to the treatment of neurological and cardiac diseases; however, the underlying molecular mechanisms remain unknown. In this study, a model of permanent focal cerebral ischemia-induced lung injury was successfully established and confirmed by neurological evaluation and lung injury scores...
December 6, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27922672/2-methoxycinnamaldehyde-inhibits-the-tnf-%C3%AE-induced-proliferation-and-migration-of-human-aortic-smooth-muscle-cells
#2
Young-Hee Jin, Soo-A Kim
The abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) is a crucial event in the development of atherosclerosis, and tumor necrosis factor-α (TNF-α) is actively involved in this process by enhancing the proliferation and migration of VSMCs. 2-Methoxycinnamaldehyde (MCA) is a natural compound of Cinnamomum cassia. Although 2-hydroxycinnamaldehyde (HCA), another compound from Cinnamomum cassia, has been widely studied with regard to its antitumor activity, MCA has not attracted researchers' interest due to its mild toxic effects on cancer cells and its mechanisms of action remain unknown...
December 6, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909731/hypoxia-drives-the-transition-of-human-dermal-fibroblasts-to-a-myofibroblast-like-phenotype-via-the-tgf-%C3%AE-1-smad3-pathway
#3
Bin Zhao, Hao Guan, Jia-Qi Liu, Zhao Zheng, Qin Zhou, Jian Zhang, Lin-Lin Su, Da-Hai Hu
Keloids, partially considered as benign tumors, are characterized by the overgrowth of fibrosis beyond the boundaries of the wound and are regulated mainly by transforming growth factor (TGF)-β1, which induces the transition of fibroblasts to myofibroblasts. Hypoxia is an important driving force in the development of lung and liver fibrosis by activating hypoxia inducible factor-1α and stimulating epithelial‑mesenchymal transition. However, it is unknown whether and hypoxia can influence human dermal scarring...
December 1, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909721/protective-effect-of-vk2-on-glucocorticoid-treated-mc3t3-e1-cells
#4
Yue-Lei Zhang, Jun-Hui Yin, Hao Ding, Wei Zhang, Chang-Qing Zhang, You-Shui Gao
Glucocorticoids (GCs) contribute to the increased incidence of secondary osteoporosis and osteonecrosis, and medications for the prevention and treatment of these complications have been investigated for many years. Vitamin K2 (VK2) has been proven to promote bone formation both in vitro and in vivo. In this study, we examined the effects of VK2 on dexamethasone (DEX)-treated MC3T3-E1 osteoblastic cells. We observed that VK2 promoted the proliferation and enhanced the survival of dexamethasone-treated MC3T3-E1 cells...
December 1, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909729/self-renewal-molecular-mechanisms-of-colorectal-cancer-stem-cells
#5
Tianhui Pan, Jinghong Xu, Yongliang Zhu
Colorectal cancer stem cells (CCSCs) represent a small fraction of the colorectal cancer cell population that possess self-renewal and multi-lineage differentiation potential and drive tumorigenicity. Self-renewal is essential for the malignant biological behaviors of colorectal cancer stem cells. While the self-renewal molecular mechanisms of colorectal cancer stem cells are not yet fully understood, the aberrant activation of signaling pathways, such as Wnt, Notch, transforming growth factor-β (TGF-β)/bone morphogenetic protein (BMP) and Hedgehog-Gli (HH-GLI), specific roles mediated by cell surface markers and micro-environmental factors are involved in the regulation of self-renewal...
November 30, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909715/a-new-scaffold-containing-small-intestinal-submucosa-and-mesenchymal-stem-cells-improves-pancreatic-islet-function-and-survival-in%C3%A2-vitro-and-in%C3%A2-vivo
#6
Dan Wang, Xiaoming Ding, Wujun Xue, Jin Zheng, Xiaohui Tian, Yang Li, Xiaohong Wang, Huanjin Song, Hua Liu, Xiaohui Luo
It is unknown whether a scaffold containing both small intestinal submucosa (SIS) and mesenchymal stem cells (MSCs) for transplantation may improve pancreatic islet function and survival. In this study, we examined the effects of a SIS-MSC scaffold on islet function and survival in vitro and in vivo. MSCs and pancreatic islets were isolated from Sprague-Dawley rats, and SIS was isolated from Bamei pigs. The islets were apportioned among 3 experimental groups as follows: SIS-islets, SIS-MSC-islets and control-islets...
November 29, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909724/hsp27-regulates-tgf-%C3%AE-mediated-lung-fibroblast-differentiation-through-the-smad3-and-erk-pathways
#7
Gang Wang, Hao Jiao, Jun-Nian Zheng, Xia Sun
Idiopathic pulmonary fibrosis (IPF) is a chronic lethal interstitial lung disease with unknown etiology. Recent studies have indicated that heat-shock protein 27 (HSP27) contributes to the pathogenesis of IPF through the regulation of epithelial-mesenchymal transition (EMT). However, the expression and role of HSP27 in fibroblasts during pulmonary fibrogenesis has not been investigated to date, at least to the best of our knowledge. In this study, we examined the expression of HSP27 in fibrotic lung tissue and fibroblasts from bleomycin (BLM)-challenged mice and human lung fibroblasts treated with transforming growth factor-β (TGF-β)...
November 28, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909734/klf4-inhibits-tumor-growth-and-metastasis-by-targeting-microrna-31-in-human-hepatocellular-carcinoma
#8
Chuan Tian, Shanshan Yao, Li Liu, Youcheng Ding, Qingwang Ye, Xiao Dong, Yong Gao, Ning Yang, Qi Li
MicroRNAs (miRNAs or miRs) are short, endogenous non-coding RNA molecules, demonstrating abnormal expression in cancer initiation and progression. In this study, we profiled 18 differentially regulated miRNAs, including miRNA‑31, using miRNA array. Kruppel (or Krüppel)-like factor 4 (Klf4) is a transcription factor and putative tumor suppressor. Both were found to be significantly downregulated in liver cancer tissues and cells. However, little is known about the correlation between Klf4 and miRNA‑31 in hepatocellular carcinoma (HCC)...
November 24, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878250/sn38-increases-il-8-expression-through-the-mapk-pathways-in-hct8-cells
#9
Lei Zhang, Wen-Hui Lou, Xue-Feng Xu, Wenchuan Wu, Ye-Fei Rong, Da-Yong Jin
The overexpression of interleukin-8 (IL-8) is closely associated with poor tumor differentiation, metastasis and tumor progression. This study aimed to examine the effects and mechanisms of action of SN38 (a metabolite of the camptothecin derivative, CPT-11) on IL-8 expression in HCT8 cells, using ELISA, CCK-8 and western blot analysis. Among jatrorrhizine, evodiamine, 5-fluorouracil and SN38, SN38 was found to inhibit the proliferation of HCT8 cells in a dose-dependent manner, but to increase IL-8 secretion from HCT8 cells...
November 22, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878246/luteolin-protects-mice-from-severe-acute-pancreatitis-by-exerting-ho-1-mediated-anti-inflammatory-and-antioxidant-effects
#10
Jie Xiong, Kezhou Wang, Chunxiao Yuan, Rong Xing, Jianbo Ni, Guoyong Hu, Fengling Chen, Xingpeng Wang
Reseda odorata L. has long been used in traditional Asian medicine for the treatment of diseases associated with oxidative injury and acute inflammation, such as endotoxemia, acute lung injury, acute myocardial infarction and hepatitis. Luteolin, the main component of Reseda odorata L., which is also widely found in many natural herbs and vege-tables, has been shown to induce heme oxygenase-1 (HO-1) expression to exert anti-inflammatory and antioxidant effects. In this study, we aimed to examine the effects of luteolin on mice with severe acute pancreatitis (SAP), and to explore the underlying mechanisms...
November 22, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878233/benzoquinone-from-fusarium-pigment-inhibits-the-proliferation-of-estrogen-receptor-positive-mcf-7-cells-through-the-nf-%C3%AE%C2%BAb-pathway-via-estrogen-receptor-signaling
#11
Lixiang Zheng, Yujian Cai, Li Zhou, Ping Huang, Xiaoying Ren, Airen Zuo, Xianming Meng, Minjuan Xu, Xiangru Liao
Natural pigments are known for possessing a wide range of pharmacological and health-promoting properties. The pigments, produced by a new strain Fusarium (Fusarium sp. JN158) previously identified in our laboratory, were found to have 6 peaks (representing 6 compounds) by high-performance liquid chromatography with a diode-array detector (HPLC-DAD) separation. The 6th peak compound (compound VI) is a benzoquinone compound. In this study, we examined the effects of compound VI on the proliferation of breast cancer cells and aimed to elucidate the underlying mechamisms...
November 22, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878248/immunomodulatory-effects-of-ox40ig-gene-modified-adipose-tissue-derived-mesenchymal-stem-cells-on-rat-kidney-transplantation
#12
Tao Liu, Yue Zhang, Zhongyang Shen, Xunfeng Zou, Xiaobo Chen, Li Chen, Yuliang Wang
Recent studies have suggested that adipose tissue-derived mesenchymal stem cell (ADSC) therapy and OX40 costimulation blockade are two immunomodulatory strategies used to suppress the immune response to alloantigens. However, relatively little has been reported regarding the immunomodulatory potential of the abilityof these two strategies to synergize. Thus, in the present study, we aimed to investigate OX40-Ig fusion protein (OX40Ig) expression in ADSCs and to validate their more potent immunosuppressive activity in preventing renal allograft rejection...
November 21, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878236/pyropia-yezoensis-peptide-promotes-collagen-synthesis-by-activating-the-tgf-%C3%AE-smad-signaling-pathway-in-the-human-dermal-fibroblast-cell-line-hs27
#13
Cho-Rong Kim, Young-Min Kim, Min-Kyeong Lee, In-Hye Kim, Youn-Hee Choi, Taek-Jeong Nam
Pyropia yezoensis (P. yezoensis) is a marine algae that exhibits antioxidant, anti-inflammatory, antitumor and anti-aging activities. In this study, we investigated the effects of the P. yezoensis peptide, PYP1‑5, on collagen synthesis in the human dermal fibroblast cell line Hs27. Skin aging is related to reduced collagen production and the activities of multiple enzymes, including matrix metalloproteinases (MMPs), which degrade collagen structure in the dermis, and tissue inhibitor of tissue inhibitor of metalloproteinases (TIMPs), which inhibit the action of MMPs...
November 18, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27878231/sirt1-exerts-neuroprotective-effects-by-attenuating-cerebral-ischemia-reperfusion-induced-injury-via-targeting-p53-microrna-22
#14
Hui Lu, Bincheng Wang
The aim of this study was to investigate whether the SIRT1 exerts neuroprotective effects by attenuating cerebral ischemia/reperfusion-induced injury (CIRI) via targeting p53/microRNA-22. We found that the overexpression of sirtuin 1 (SIRT1) decreased the infarct volume, suppressed p53 protein expression and activated microRNA-22 expression following CIRI. An injection of lipopolysaccharide (LPS, 1 mg/ml; Sigma, St. Louis, MO USA) into the corpus callosum was used to induce CIRI in rats. The infarct volume and neurological deficit score were used to examine the effects of SIRT1 on CIRI...
November 18, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840942/the-combination-of-%C3%AE-caryophyllene-baicalin-and-catechin-synergistically-suppresses-the-proliferation-and-promotes-the-death-of-raw267-4-macrophages-in-vitro
#15
Masayoshi Yamaguchi, Robert M Levy
β-caryophyllene, which is a constituent of many essential oils, has been known to be a selective agonist of the cannabinoid receptor type-2 and to exert cannabimimetic anti-inflammatory effects in animals. The effects of β-caryophyllene on macrophages have not been investigated to date. This study was undertaken to determine whether β-caryophyllene exerts suppressive effects on mouse RAW267.4 macrophages in vitro in comparison with other botanical molecules that exert antioxidant and anti-inflammatory effects...
November 14, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840945/tangshen-formula-attenuates-hepatic-steatosis-by-inhibiting-hepatic-lipogenesis-and-augmenting-fatty-acid-oxidation-in-db-db%C3%A2-mice
#16
Qin Kong, Haojun Zhang, Tingting Zhao, Weiku Zhang, Meihua Yan, Xi Dong, Ping Li
Tangshen formula (TSF), a well-prescribed traditional Chinese formula, has been used in the treatment of diabetic nephropathy. However, whether TSF ameliorates dyslipidemia and liver injury associated with diabetes remains unclear. In this study, we examined the effects of TSF on lipid profiles and hepatic steatosis in db/db mice. For this purpose, 8‑week-old db/db mice were treated with TSF or saline for 12 weeks via gavage and db/m mice were used as controls. Body weight and blood glucose levels were monitored weekly and bi-weekly, respectively...
November 10, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840941/deregulated-wwox-is-involved-in-a-negative-feedback-loop-with-microrna-214-3p-in-osteosarcoma
#17
Kaituo Gao, Jijuan Yin, Jian Dong
WW domain-containing oxidoreductase (WWOX) is frequently inactivated in human osteosarcoma, and the restoration of its expression can suppress tumorigenicity in WWOX-negative OS cells. However, its regulatory mechanisms remain to be fully elucidated. In the present study, we demonstrate that WWOX is downregulated and that it regulates proliferation and epithelial-to-mesenchymal transition (EMT)-associated protein expression in osteosarcoma. As shown by our results, WWOX overexpression by transfection with WWOX overexpression plasmids suppressed the proliferation, migration and invasion of osteosarcoma MG63 cells (as shown by MTT and migration and invasion assays)...
November 10, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840924/basic-helix-loop-helix-transcription-factor-dec2-functions-as-an-anti-apoptotic-factor-during-paclitaxel-induced-apoptosis-in-human-prostate-cancer-cells
#18
Qiang Liu, Yunyan Wu, Tadashi Yoshizawa, Xu Yan, Satoko Morohashi, Hiroko Seino, Yukio Kato, Hiroshi Kijima
The functions of basic helix-loop-helix (bHLH) transcription factor-differentiated embryonic chondrocyte (DEC)1 (BHLHE40) and 2 (BHLHE41) are involved in various fields such as circadian rhythms, immune responses, cell proliferation, hypoxia reaction as well as malignant tumors. Previous findings showed that DEC served as apoptosis regulators of various cancer cell lines. However, little is known regarding the expression of DEC1 and DEC2 in prostate cancer cells. The present study aimed to examine the roles of DEC1 and DEC2 in human prostate cancer DU145 and PC-3 cells that were treated with paclitaxel...
November 8, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840895/sevoflurane-inhibits-the-migration-and-invasion-of-glioma-cells-by-upregulating-microrna-637
#19
Wenbo Yi, Dongliang Li, Yongmin Guo, Yan Zhang, Bin Huang, Xingang Li
Cancer cell migration and invasion are essential features of the metastatic process. Volatile anesthetic sevoflurane inhibits the migration and invasion of multiple cancer cell lines; however, its effects on glioma cells are unclear. Emerging evidence suggests that microRNA (miRNA)-637 regulates glioma cell migration and invasion through the Akt1 pathway. Sevoflurane has been shown to modulate a number of miRNAs. In the present study, we examined whether sevoflurane inhibits glioma cell migration and invasion and, if so, whether these beneficial effects are mediated by miRNA-637...
November 8, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27840894/seven-novel-and-six-de-novo-phex-gene-mutations-in-patients-with-hypophosphatemic-rickets
#20
Shan-Shan Li, Jie-Mei Gu, Wei-Jia Yu, Jin-Wei He, Wen-Zhen Fu, Zhen-Lin Zhang
Inactivating mutations in phosphate-regulating gene with homologies to endopeptidase on the X chromosome (PHEX) have been identified as a cause of X-linked hypophosphatemic rickets (XLH; OMIM 307800). In the present study, we enrolled 43 patients from 18 unrelated families clinically diagnosed with hypophosphatemic rickets and 250 healthy controls. For each available individual, all 22 exons with their exon-intron boundaries of the PHEX gene were directly sequenced. The levels of serum fibroblast growth factor 23 (FGF23) were measured as well...
November 7, 2016: International Journal of Molecular Medicine
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