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Cellular Physiology and Biochemistry

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https://www.readbyqxmd.com/read/29241211/the-role-of-pannexin3-modified-human-dental-pulp-derived-mesenchymal-stromal-cells-in-repairing-rat-cranial-critical-sized-bone-defects
#1
Fangfang Song, Hualing Sun, Liyuan Huang, Dongjie Fu, Cui Huang
BACKGROUND/AIMS: Human dental pulp-derived mesenchymal stromal cells (hDPSCs) are promising seed cells for tissue engineering due to their easy accessibility and multi-lineage differentiation. Pannexin3 (Panx3) plays crucial roles during bone development and differentiation. The aim of the present study was to investigate the effect of Panx3 on osteogenesis of hDPSCs and the underlying mechanism. METHODS: Utilizing qRT-PCR, Western blot, and immunohistochemistry, we explored the change of Panx3 during osteogenic differentiation of hDPSCs...
December 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241219/yap-inhibits-the-apoptosis-and-migration-of-human-rectal-cancer-cells-via-suppression-of-jnk-drp1-mitochondrial-fission-htra2-omi-pathways
#2
Haijun Li, Fucheng He, Xin Zhao, Yuan Zhang, Xi Chu, Chunlan Hua, Yunhui Qu, Yu Duan, Liang Ming
BACKGROUND/AIMS: The Hippo-Yap pathway is associated with tumor development and progression. However, little evidence is available concerning its role in cancer cell apoptosis and migration via mitochondrial homeostasis. Here, we identify mitochondrial fission as a regulator of the Hippo-Yap pathway in human rectal cancer tumorigenesis and metastasis. METHODS: In this study, we performed loss-of function assays concerning Yap in RCC via shRNA. Cellular viability and apoptosis were measured via MTT, the TUNEL assay and trypan blue staining...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#3
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241205/glaucocalyxin-b-alleviates-lipopolysaccharide-induced-parkinson-s-disease-by-inhibiting-tlr-nf-%C3%AE%C2%BAb-and-activating-nrf2-ho-1-pathway
#4
Wei Xu, Deyu Zheng, Yuanyuan Liu, Ji Li, Li Yang, Xiuli Shang
BACKGROUND/AIMS: Parkinson's disease (PD) is a common neurodegenerative disease in the old population, characterized by dopaminergic neuron loss, inflammation and oxidative stress injury in the substantia nigra. Glaucocalyxin B (GLB), an ent-kauranoid diterpenoid isolated from Rabdosia japonica, has anti-inflammation and anti-tumor effects. However, its effects on PD remain unclear. METHODS: PD was introduced in rats via injection of lipopolysaccharide (LPS) into cerebral corpus striatum, and GLB was given intracerebroventricularly to these rats...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241198/fam3a-protects-against-glutamate-induced-toxicity-by-preserving-calcium-homeostasis-in-differentiated-pc12-cells
#5
Qing Song, Wen-Li Gou, Yu-Liang Zou
BACKGROUND/AIMS: Stroke is the leading cause of adult disability, and glutamate-induced dysregulation of intracellular Ca2+ homeostasis is a key mechanism. FAM3A is the first member of the family with sequence similarity 3 (FAM3) gene family, and its biological function remains largely unknown. We have recently reported that FAM3A exerts protective effects against oxidative stress and mitochondrial dysfunction in HT22 cells. METHODS: Here, we investigated the protective effects of FAM3A using a glutamate-induced neuronal injury model in nerve growth factor (NGF)-differentiated PC12 cells...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241190/circrna-expression-profile-in-early-stage-lung-adenocarcinoma-patients
#6
Jiangmin Zhao, Le Li, Qian Wang, Hongxiu Han, Qing Zhan, Ming Xu
BACKGROUND/AIMS: Lung adenocarcinoma, a form of non-small cell lung cancer with high lethality at an advanced stage, is becoming more common in women, non- or never-smokers, and even young adults. At present, there are still no effective early diagnosis methods for patients to be cured in a timely manner. Circular RNAs (circRNAs), which are stable and conserved non-coding RNA in mammalian cells, have been reported to be widely involved in the processes of cancer disease. However, it is still a puzzle as to which specific circRNAs are involved in the development of early-stage lung adenocarcinoma...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241186/strengthening-gastric-cancer-therapy-by-trastuzumab-conjugated-nanoparticles-with-simultaneous-encapsulation-of-anti-mir-21-and-5-fluorouridine
#7
Nan Hu, Jun Feng Yin, Ze Ji, Yidong Hong, Puyuan Wu, Baoxiang Bian, Ziyan Song, Rutian Li, Qin Liu, Fenglei Wu
BACKGROUND/AIMS: MicroRNA-21 is an oncogenic miR (oncomiR) frequently elevated in gastric cancer (GC). Overexpression of miR-21 decreases the sensitivity of GC cells to 5-fluorouridine (5-Fu) and trastuzumab, a humanized monoclonal antibody targeting human epidermal growth factor receptor 2 (HER2). Receptor-mediated endocytosis plays a crucial role in the delivery of biotherapeutics including anti-miRNA oligonucleotides (AMOs). This study is a continuation of earlier findings involving poly(ε-caprolactone) (PCL)-poly (ethylene glycol) (PEG) nanoparticles (PEG-PCL NPs), which were coated with trastuzumab to target GC with HER2 receptor over-expression using anti-miRNA-21 (AMO-21) and 5-Fu...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241183/leptin-suppresses-glutamate-induced-apoptosis-through-regulation-of-erk1-2-signaling-pathways-in-rat-primary-astrocytes
#8
Hyunju Park, So-Hee Ahn, Yieun Jung, Joo Chun Yoon, Youn-Hee Choi
BACKGROUND/AIMS: Leptin is a hormone expressed by adipose tissue that regulates body energy homeostasis and weight loss by activating leptin receptors in the hypothalamus. Leptin receptors are also expressed in astrocytes. An anti-apoptosis effect of leptin in brain has recently been reported. However, the anti-apoptosis mechanism of leptin in the brain is unknown. METHODS: To investigate whether leptin exerts protective effects against glutamate-induced apoptosis in astrocytes, we performed cell viability assays and apoptosis assays using rat primary astrocytes...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241182/serum-biomarker-identification-by-mass-spectrometry-in-acute-aortic-dissection
#9
Yong Ren, Qizhu Tang, Wenwei Liu, Yongqian Tang, Rui Zhu, Bin Li
BACKGROUND/AIMS: Aortic dissection (AD) is also known as intramural hematoma. This study aimed to screen peripheral blood biomarkers of small molecule metabolites for AD using high-performance liquid chromatography-mass spectrometry (HPLC-MS). METHODS: Sera from 25 healthy subjects, 25 patients with well-established AD, and 25 patients with well-established hypertension were investigated by HPLC-MS to detect metabolites, screen differentially expressed metabolites, and analyze metabolic pathways...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241179/rs739837-polymorphism-in-mir-885-3p-binding-site-within-3-untranslated-region-of-vitamin-d-receptor-is-associated-with-a-decreased-risk-of-pressure-ulcers
#10
Xia Ji, Jinbao Mao, Shuang Zhou
BACKGROUND/AIMS: Accumulative evidence has shown that miR-885-3p plays a crucial role in human carcinogenesis. From miRNA database, we also found that rs739837 polymorphism in miR-885-3p binding site within 3'-untranslated region of Vitamin D receptor (VDR), compromising the suppressive effect of miR-885-3p on VDR. Moreover, Vitamin D is involved in controlling the cell immune response and may play a role in pressure ulcers development. However, whether this polymorphism is actually linked with pressure ulcers remains unclear...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241165/sc1-promotes-mir124-3p-expression-to-maintain-the-self-renewal-of-mouse-embryonic-stem-cells-by-inhibiting-the-mek-erk-pathway
#11
Qing Wei, Hongliang Liu, Zhiying Ai, Yongyan Wu, Yingxiang Liu, Zhaopeng Shi, Xuexue Ren, Zekun Guo
BACKGROUND/AIMS: Self-renewal is one of the most important features of embryonic stem (ES) cells. SC1 is a small molecule modulator that effectively maintains the self-renewal of mouse ES cells in the absence of leukemia inhibitory factor (LIF), serum and feeder cells. However, the mechanism by which SC1 maintains the undifferentiated state of mouse ES cells remains unclear. METHODS: In this study, microarray and small RNA deep-sequencing experiments were performed on mouse ES cells treated with or without SC1 to identify the key genes and microRNAs that contributed to self-renewal...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241162/in-vitro-and-in-vivo-activity-of-fomitopsis-pinicola-sw-ex-fr-karst-chloroform-fpkc-extract-against-s180-tumor-cells
#12
Ye Gao, Pan Wang, Yaqin Wang, Lijie Wu, Xiaobing Wang, Kun Zhang, Quanhong Liu
BACKGROUND/AIMS: Non-toxic fomitopsis is has been traditionally used in folk medicine in many countries for its anti-inflammatory and anti-vascular disease activities. The present study investigates the antitumor effect of Fomitopsis pinicola (Sw. Ex Fr.) Karst chloroform extract (FPKc) on S180 tumor cells in vitro and in vivo and we determined the underlying mechanisms. METHODS: HPLC was employed to analyze the constituents of FPKc. In-vitro 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to quantify the growth inhibition of FPKc; Propidium iodide (PI) exclusion assay and scanning electron microscopy (SEM) were used to observe the damage on the cell membrane and the changes of the cell morphology; Staining with Hoechst 33342/propidium iodide (HO/PI) and the application of the Annexin V-FITC/PI analysis permitted to observe the cell death triggered by FPKc; DNA damage and cell cycle arrest were detected by flow cytometry; Rhodamine 123 (RH123) and Cytochrome C were used as dyes to investigate the alterations of the mitochondria...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29237164/mir-124-inhibits-growth-and-enhances-radiation-induced-apoptosis-in-non-small-cell-lung-cancer-by-inhibiting-stat3
#13
Mengjie Wang, Bi Meng, Yangchen Liu, Jingwen Yu, Qiaoyun Chen, Yangchen Liu
BACKGROUND/AIMS: A growing body of evidence indicates that the abnormal expression of microRNAs (miRNAs) play an important role in sensitizing the cellular response to ionizing radiation (IR). The aim of this study was to investigate whether the expression of miR-124 correlated with radiosensitivity in the context of non-small-cell lung carcinoma (NSCLC). METHODS: Quantitative reverse transcription polymerase chain reaction (RT-PCR) was used to quantify miR-124 expression in NSCLC tissues and cell lines...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29237160/hydrogen-treatment-protects-mice-against-chronic-pancreatitis-by-restoring-regulatory-t-cells-loss
#14
Luguang Chen, Chao Ma, Yun Bian, Jing Li, Tiegong Wang, Li Su, Jianping Lu
BACKGROUND/AIMS: Chronic pancreatitis is an inflammatory disease of the pancreas characterized by progressive tissue destruction and fibrogenesis. The development of chronic pancreatitis is associated with immune cell dysregulation. Currently, the specific and effective treatment of chronic pancreatitis remains absent. METHODS: By using an L-arginine induced chronic pancreatitis mouse model, we tested the therapeutic potential of hydrogen, a strong hydroxyl radicals scavenger, in the chronic pancreatitis model...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29237157/hypoxia-accelerates-aggressiveness-of-hepatocellular-carcinoma-cells-involving-oxidative-stress-epithelial-mesenchymal-transition-and-non-canonical-hedgehog-signaling
#15
Zhikui Liu, Kangsheng Tu, Yufeng Wang, Bowen Yao, Qing Li, Liang Wang, Changwei Dou, Qingguang Liu, Xin Zheng
BACKGROUND/AIMS: Hypoxic microenvironment, a common feature of hepatocellular carcinoma (HCC), can induce HIF-1α expression and promote the epithelial-mesenchymal transition (EMT) and invasion of cancer cells. However, the underlying molecular mechanisms have not fully elucidated. METHODS: HCC cells were cultured under controlled hypoxia conditions or normoxic conditions. Transwell assays were used to examine the migration and invasion capacity. HIF-1α siRNA, cyclopamine (a SMO antagonist) and GLI1 siRNA were used to inhibit HIF-1α transcription or Hh signaling activation...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29237156/potential-involvement-of-mir-30e-3p-in-myocardial-injury-induced-by-coronary-microembolization-via-autophagy-activation
#16
Xian-Tao Wang, Xiao-Dan Wu, Yuan-Xi Lu, Yu-Han Sun, Han-Hua Zhu, Jia-Bao Liang, Wen-Kai He, Zhi-Yu Zeng, Lang Li
BACKGROUND/AIMS: Coronary microembolization (CME) can lead to no-reflow or slow reflow, which is one of the important reasons for loss of clinical benefit from myocardial reperfusion therapy. MicroRNAs and autophagy are heavily implicated in the occurrence and development of almost all cardiovascular diseases. Therefore, the present study was designed to investigate the role of miR-30e-3p and autophagy in CME-induced myocardial injury rat model. METHODS: Sixty rats were randomly divided into six groups: sham, CME 1h,3h,6h,9h, and 12h (n = 10 per group)...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29237155/paracrine-activation-of-the-wnt-%C3%AE-catenin-pathway-by-bone-marrow-stem-cell-attenuates-cisplatin-induced-kidney-injury
#17
Xiaoyan Jiao, Jieru Cai, Xiaofang Yu, Xiaoqiang Ding
BACKGROUND/AIMS: Cisplatin-induced acute kidney injury (AKI) involves damage to tubular cells via excess reactive oxygen species (ROS) generation. Stem cell-based therapies have shown great promise in AKI treatment. In this study, we aimed to assess the protective effect and mechanism of bone marrow mesenchymal stem cell (BMSC)-derived conditioned medium (CM) against cisplatin-induced AKI. METHODS: In vitro, NRK-52E cells were incubated with cisplatin in the presence or absence of CM, followed by the assessment of cell viability, apoptosis and cell cycle distribution...
December 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241161/troxerutin-protects-against-myocardial-ischemia-reperfusion-injury-via-pi3k-akt-pathway-in-rats
#18
Liliang Shu, Wanzhe Zhang, Chen Huang, Gongcheng Huang, Gang Su
BACKGROUND/AIMS: Troxerutin, also known as vitamin P4, has been commonly used in the treatment of chronic venous insufficiency (CVI) disease. However, its effect on in vivo myocardial ischemia/reperfusion (I/R) injury, a model that closely mimics acute myocardial infarction in humans, is still unknown. METHODS: The myocardial I/R injury rat model was created with troxerutin preconditioning. Myocardial infarct size was evaluated by the Evans blue-TTC method. Hemodynamic parameters, including the heart rate (HR), left ventricular end-diastolic pressure (LVEDP), left ventricular systolic pressure (LVSP), maximal rate of rise in blood pressure in the ventricular chamber (+dp/dt max), and maximal rate of decline in blood pressure in the ventricular chamber (-dp/dt max) were monitored...
December 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29224025/alterations-in-adiposity-and-glucose-homeostasis-in-adult-gasp-1-overexpressing-mice
#19
Luce Périè, Alexis Parenté, Fabienne Baraige, Laetitia Magnol, Véronique Blanquet
BACKGROUND/AIMS: Myostatin is known as a powerful negative regulator of muscle growth playing a key role in skeletal muscle homeostasis. Recent studies revealed that myostatin-deficient mice lead to an increase of insulin sensitivity, a decrease of adiposity and a resistance to obesity, showing that myostatin can also impact on metabolism. Thus, myostatin appeared as a potential therapeutic target to treat insulin resistance. METHODS: We generated transgenic mice overexpressing Gasp-1, a myostatin inhibitor...
December 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29224019/the-mir-495-annexin-a3-p53-axis-inhibits-the-invasion-and-emt-of-colorectal-cancer-cells
#20
Zhigang Bai, Jin Wang, Tingting Wang, Yuan Li, Xiaomu Zhao, Guocong Wu, Yingchi Yang, Wei Deng, Zhongtao Zhang
BACKGROUND/AIMS: More and more reports have shown that the dysregulation of miRNAs can contribute to the progression and metastasis of human cancers. Many studies have shown that the down-regulation of the miR-495 level occurs in a variety of cancers, including colorectal cancer (CRC). However, the precise molecular mechanisms of miR-495 in CRC have not been well clarified. In the current study, we investigated the biological functions and molecular mechanisms of miR-495 in CRC cell lines...
December 8, 2017: Cellular Physiology and Biochemistry
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