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Journal of Cellular and Molecular Medicine

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https://www.readbyqxmd.com/read/28905500/salidroside-suppressing-lps-induced-myocardial-injury-by-inhibiting-ros-mediated-pi3k-akt-mtor-pathway-in-vitro-and-in-vivo
#1
Lvyi Chen, Peng Liu, Xin Feng, Chunhua Ma
The purpose of the present study was to investigate the effect of salidroside (Sal) on myocardial injury in lipopolysaccharide (LPS)-induced endotoxemic in vitro and in vivo. SD rats were randomly divided into five groups: control group, LPS group (15 mg/kg), LPS plus dexamethasone (2 mg/kg), LPS plus Sal groups with different Sal doses (20, 40 mg/kg). Hemodynamic measurement and haematoxylin and eosin staining were performed. Serum levels of creatine kinase (CK), lactate dehydrogenase, the activities of the antioxidant enzymes catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GSH-px), glutathione, tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-1β (IL-1β) were measured after the rats were killed...
September 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28881473/the-classic-signalling-and-trans-signalling-of-interleukin-6-are-both-injurious-in-podocyte-under-high-glucose-exposure
#2
Chun-Tao Lei, Hua Su, Chen Ye, Hui Tang, Pan Gao, Cheng Wan, Fang-Fang He, Yu-Mei Wang, Chun Zhang
Interleukin-6 (IL-6) is a multifunctional cytokine that employs IL-6 classic and trans-signalling pathways, and these two signal channels execute different or even opposite effects in certain diseases. As a cardinal event of diabetic kidney disease (DKD), whether the podocyte abnormalities are associated with IL-6 signalling, especially classic or trans-signalling respectively, remains unclear. In this study, we identified that the circulatory IL-6, soluble IL-6R (sIL-6R) and soluble glycoprotein 130 (sgp130) levels are elevated in patients with DKD...
September 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28881413/low-expression-of-sema6c-accelerates-the-primordial-follicle-activation-in-the-neonatal-mouse-ovary
#3
Su Zhou, Wei Yan, Wei Shen, Jing Cheng, Yueyue Xi, Suzhen Yuan, Fangfang Fu, Ting Ding, Aiyue Luo, Shixuan Wang
The primordial follicle assembly, activation and the subsequent development are critical processes for female reproduction. A limited number of primordial follicles are activated to enter the growing follicle pool each wave, and the primordial follicle pool progressively diminishes over a woman's life-time. The number of remaining primordial follicles represents the ovarian reserve. Identification and functional investigation of the factors involved in follicular initial recruitment will be of great significance to the understanding of the female reproduction process and ovarian ageing...
September 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28866868/the-lncrna-hnf1a-as1-is-a-negative-prognostic-factor-and-promotes-tumorigenesis-in-osteosarcoma
#4
Lijun Cai, Jinhan Lv, Yinquan Zhang, Junhong Li, Yinong Wang, Huilin Yang
Recent studies have revealed that long noncoding RNA HNF1A-antisense 1 (HNF1A-AS1) plays an important role in the development of several human malignancy entities. However, the expression and function of HNF1A-AS1 in the carcinogenesis and development of osteosarcoma remains unknown. In this study, we detected the HNF1A-AS1 levels in human osteosarcoma tissues and cell lines by quantitative real-time polymerase chain reaction (qRT-PCR), and investigated its role in osteosarcoma by using in vitro assays. Our study showed that HNF1A-AS1 expression was significantly up-regulated in human osteosarcoma tissues and cell lines compared with their normal counterparts, and its expression level was positively correlated with the distance metastasis (P = 0...
September 2, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28857494/drmda-deep-representations-based-mirna-disease-association-prediction
#5
Xing Chen, Yao Gong, De-Hong Zhang, Zhu-Hong You, Zheng-Wei Li
Recently, microRNAs (miRNAs) are confirmed to be important molecules within many crucial biological processes and therefore related to various complex human diseases. However, previous methods of predicting miRNA-disease associations have their own deficiencies. Under this circumstance, we developed a prediction method called deep representations-based miRNA-disease association (DRMDA) prediction. The original miRNA-disease association data were extracted from HDMM database. Meanwhile, stacked auto-encoder, greedy layer-wise unsupervised pre-training algorithm and support vector machine were implemented to predict potential associations...
August 31, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28857469/the-nlpr3-inflammasome-and-obesity-related-kidney-disease
#6
REVIEW
Ben Ke, Wen Shen, Xiangdong Fang, Qinghua Wu
Over the past decade, the prevalence of obesity has increased, accompanied by a parallel increase in the prevalence of chronic kidney disease (CKD). Mounting evidence suggests that high body mass index (BMI) and obesity are important risk factors for CKD, but little is known about the mechanisms of obesity-related kidney disease (ORKD). The NLRP3 inflammasome is a polyprotein complex that plays a crucial role in the inflammatory process, and numerous recent studies suggest that the NLRP3 inflammasome is involved in ORKD development and may serve as a key modulator of ORKD...
August 31, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28857442/camp-response-element-binding-protein-and-yes-associated-protein-form-a-feedback-loop-that-promotes-neurite-outgrowth
#7
Lei Chen, Peimin Feng, Anjiao Peng, Xiangmiao Qiu, Xi Zhu, Shixu He, Dong Zhou
The cAMP response element-binding (CREB) protein is a member of the CREB/activating transcription factor family that is activated by various extracellular stimuli. It has been shown that CREB-dependent transcription stimulation plays a key role in neuronal differentiation and plasticity, but the underlying mechanisms remain largely elusive. Here, we show that Yes-associated protein (YAP) is a direct target induced by CREB upon retinoic acid (RA)-induced neurite outgrowth stimuli in N2a cells. Interestingly, YAP knockout using the CRISPR/Cas9 system inhibits neuronal differentiation and reduced neurite length...
August 31, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28857467/impaired-erythropoietin-synthesis-in-chronic-kidney-disease-is-caused-by-alterations-in-extracellular-matrix-composition
#8
Gemma Olmos, José M Muñoz-Félix, Inés Mora, Anton Gerhard Müller, Maria Piedad Ruiz-Torres, José M López-Novoa, Diego Rodríguez-Puyol
Renal fibrosis and anaemia are two of the most relevant events in chronic kidney disease. Fibrosis is characterized by the accumulation of extracellular matrix proteins in the glomeruli and tubular interstitium. Anaemia is the consequence of a decrease in erythropoietin production in fibrotic kidneys. This work analyses the possibility that the accumulation of abnormal collagens in kidney interstitium could be one of the mechanisms responsible for erythropoietin decreased synthesis. In renal interstitial fibroblast grown on collagen I, erythropoietin mRNA expression and HIF-2α protein decreased, whereas focal adhesion kinase protein (FAK) phosphorylation and proteasome activity increased, compared to cells grown on collagen IV...
August 30, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28857429/tenascin-c-renders-a-proangiogenic-phenotype-in-macrophage-via-annexin-ii
#9
Zhiyang Wang, Qi Wei, Liang Han, Keqing Cao, Tianfeng Lan, Zhenjie Xu, Yingjuan Wang, Yuan Gao, Jing Xue, Fei Shan, Jun Feng, Xin Xie
Tenascin-c is an extracellular matrix glycoprotein, the expression of which relates to the progression of atherosclerosis, myocardial infarction and heart failure. Annexin II acts as a cell surface receptor of tenascin-c. This study aimed to delineate the role of tenascin-c and annexin II in macrophages presented in atherosclerotic plaque. Animal models with atherosclerotic lesions were established using ApoE-KO mice fed with high-cholesterol diet. The expression of tenascin-c and annexin II in atherosclerotic lesions was determined by qRT-PCR, Western blot and immunohistochemistry analysis...
August 30, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28842949/dl-3-n-butylphthalide-attenuates-acute-inflammatory-activation-in-rats-with-spinal-cord-injury-by-inhibiting-microglial-tlr4-nf-%C3%AE%C2%BAb-signalling
#10
Zili He, Yulong Zhou, Li Lin, Qingqing Wang, Sinan Khor, Yuqin Mao, Jiawei Li, Zengming Zhen, Jian Chen, Zhenzhen Gao, Fenzan Wu, Xie Zhang, Hongyu Zhang, Hua-Zi Xu, Zhouguang Wang, Jian Xiao
In this study, we examined the neuroprotective effects and anti-inflammatory properties of Dl-3-n-butylphthalide (NBP) in Sprague-Dawley (SD) rats following traumatic spinal cord injury (SCI) as well as microglia activation and inflammatory response both in vivo and in vitro. Our results showed that NBP improved the locomotor recovery of SD rats after SCI an significantly diminished the lesion cavity area of the spinal cord, apoptotic activity in neurons, and the number of TUNEL-positive cells at 7 days post-injury...
August 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28840975/cardioprotection-mediated-by-exosomes-is-impaired-in-the-setting-of-type-ii-diabetes-but-can-be-rescued-by-the-use-of-non-diabetic-exosomes-in-vitro
#11
Sean M Davidson, Jaime A Riquelme, Kaloyan Takov, Jose M Vicencio, Claire Boi-Doku, Vanessa Khoo, Christian Doreth, Dina Radenkovic, Sergio Lavandero, Derek M Yellon
Many patients with ischaemic heart disease also have diabetes. As myocardial infarction is a major cause of mortality and morbidity in these patients, treatments that increase cell survival in response to ischaemia and reperfusion are needed. Exosomes-nano-sized, lipid vesicles released from cells-can protect the hearts of non-diabetic rats. We previously showed that exosomal HSP70 activates a cardioprotective signalling pathway in cardiomyocytes culminating in ERK1/2 and HSP27 phosphorylation. Here, we investigated whether the exosomal cardioprotective pathway remains intact in the setting of type II diabetes...
August 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28840963/the-enhancement-of-combination-of-berberine-and-metformin-in-inhibition-of-dnmt1-gene-expression-through-interplay-of-sp1-and-pdpk1
#12
Fang Zheng, JingJing Wu, Qing Tang, Qian Xiao, WanYin Wu, Swei Sunny Hann
Berberine (BBR), one of active alkaloid found in the rhizome, exhibited anti-cancer properties. We have showed that BBR inhibited growth of non-small cell lung cancer (NSCLC) cells through mitogen-activated protein kinase (MAPK)-mediated increase in forkhead box O3a (FOXO3a). However, the in-depth mechanism underlying the anti-tumor effects still remained to be elucidated. Herein, we further confirmed that BBR not only induced cell cycle arrest, but also reduced migration and invasion of NSCLC cells. Mechanistically, we observed that BBR reduced 3-phosphoinositide-dependent protein kinase-1 (PDPK1) and transcription factor SP1 protein expressions...
August 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28840644/telocytes-play-a-key-role-in-prostate-tissue-organisation-during-the-gland-morphogenesis
#13
Bruno D A Sanches, Juliana S Maldarine, Bruno C Zani, Guilherme H Tamarindo, Manoel F Biancardi, Fernanda C A Santos, Paula Rahal, Rejane M Góes, Sérgio L Felisbino, Patricia S L Vilamaior, Sebastião R Taboga
Telocytes are CD34-positive interstitial cells, known to exert several functions, one of which is a role in tissue organisation, previously demonstrated by telocytes in the myocardium. The existence of telocytes in the prostate has recently been reported, however, there is a lack of information regarding the function of these cells in prostate tissue, and information regarding the possible role of these cells in prostatic development. This study used immunofluorescence techniques in prostate tissue and prostatic telocytes in culture to determine the relationship between telocytes and prostate morphogenesis...
August 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28834244/striking-a-new-path-in-reducing-cartilage-breakdown-combination-of-antioxidative-therapy-and-chondroanabolic-stimulation-after-blunt-cartilage-trauma
#14
Jana Riegger, Helga Joos, Hans-Georg Palm, Benedikt Friemert, Heiko Reichel, Anita Ignatius, Rolf E Brenner
Cartilage injury can trigger crucial pathomechanisms, including excessive cell death and expression of matrix-destructive enzymes, which contribute to the progression of a post-traumatic osteoarthritis (PTOA). With the intent to create a novel treatment strategy for alleviating trauma-induced cartilage damage, we complemented a promising antioxidative approach based on cell and chondroprotective N-acetyl cysteine (NAC) by chondroanabolic stimulation. Overall, three potential pro-anabolic growth factors - IGF-1, BMP7 and FGF18 - were tested comparatively with and without NAC in an ex vivo human cartilage trauma-model...
August 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28834227/hypoxia-induced-activin-a-diminishes-endothelial-cell-vasculogenic-activity
#15
Stephanie Merfeld-Clauss, Hongyan Lu, Xue Wu, Keith L March, Dmitry O Traktuev
Acute ischaemia causes a significant loss of blood vessels leading to deterioration of organ function. Multiple ischaemic conditions are associated with up-regulation of activin A, but its effect on endothelial cells (EC) in the context of hypoxia is understudied. This study evaluated the role of activin A in vasculogenesis in hypoxia. An in vitro vasculogenesis model, in which EC were cocultured with adipose stromal cells (ASC), was used. Incubation of cocultures at 0.5% oxygen led to decrease in EC survival and vessel density...
August 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28816021/cd155-knockdown-promotes-apoptosis-via-akt-bcl-2-bax-in-colon-cancer-cells
#16
Qianqian Zheng, Biao Wang, Jian Gao, Na Xin, Wei Wang, Xiaowen Song, Yue Shao, Chenghai Zhao
CD155, one of the nectin-like molecule family members, is involved in cell adhesion and motility. CD155 is overexpressed in several human cancers, but its role in proliferation and apoptosis of colorectal cancer remains unclear. We found that CD155 was up-regulated in colorectal cancer tissues. CD155 knockdown via shRNA lentiviruses inhibited colon cancers cell migration and invasion, with a reduction in the expression of FAK, Src and MMP-2. CD155 down-regulation also suppressed colon cancer cell proliferation, accompanied by changing expressions of some molecules related to cell cycle...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28816008/lactuca-capensis-reverses-memory-deficits-in-a%C3%AE-1-42-induced-an-animal-model-of-alzheimer-s-disease
#17
Paula Alexandra Postu, Jaures A K Noumedem, Oana Cioanca, Monica Hancianu, Marius Mihasan, Mitica Ciorpac, Dragos Lucian Gorgan, Brindusa Alina Petre, Lucian Hritcu
We investigated the neuropharmacological effects of the methanolic extract from Lactuca capensis Thunb. leaves (100 and 200 mg/kg) for 21 days on memory impairment in an Alzheimer's disease (AD) rat model produced by direct intraventricular delivery of amyloid-β1-42 (Aβ1-42). Behavioural assays such as Y-maze and radial arm maze test were used for assessing memory performance. Aβ1-42 decreased cognitive performance in the behavioural tests which were ameliorated by pre-treatment with the methanolic extract...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28816006/cd38-deficiency-suppresses-adipogenesis-and-lipogenesis-in-adipose-tissues-through-activating-sirt1-ppar%C3%AE-signaling-pathway
#18
Ling-Fang Wang, Lian-Jie Miao, Xiao-Nv Wang, Cong-Cong Huang, Yi-Song Qian, Xuan Huang, Xiao-Lei Wang, Wan-Zhu Jin, Guang-Ju Ji, Mingui Fu, Ke-Yu Deng, Hong-Bo Xin
It has been recently reported that CD38 was highly expressed in adipose tissues from obese people and CD38-deficient mice were resistant to high-fat diet (HFD)-induced obesity. However, the role of CD38 in the regulation of adipogenesis and lipogenesis is unknown. In this study, to explore the roles of CD38 in adipogenesis and lipogenesis in vivo and in vitro, obesity models were generated with male CD38(-/-) and WT mice fed with HFD. The adipocyte differentiations were induced with MEFs from WT and CD38(-/-) mice, 3T3-L1 and C3H10T1/2 cells in vitro...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28815883/wwc2-is-an-independent-prognostic-factor-and-prevents-invasion-via-hippo-signalling-in-hepatocellular-carcinoma
#19
Yijun Zhang, Shumei Yan, Jiewei Chen, Caixia Gan, Dong Chen, Yan Li, Jiahuai Wen, Joachim Kremerskothen, Shilu Chen, Jiangbo Zhang, Yun Cao
WWC family proteins negatively regulate HEK293 cell proliferation and organ growth by suppressing the transcriptional activity of Yes-associated protein (YAP), a major effector of the Hippo pathway. The function of the scaffolding protein WWC1 (also called KIBRA) has been intensively studied in cells and animal models. However, the expression and clinicopathologic significance of WWC2 in cancer are poorly characterized. This study aimed to clarify the biological function and mechanism of action of WWC2 in hepatocellular carcinoma (HCC)...
August 16, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28805297/mesenchymal-stem-cells-deliver-exogenous-mir-21-via-exosomes-to-inhibit-nucleus-pulposus-cell-apoptosis-and-reduce-intervertebral-disc-degeneration
#20
Xiaofei Cheng, Guoying Zhang, Liang Zhang, Ying Hu, Kai Zhang, Xiaojiang Sun, Changqing Zhao, Hua Li, Yan Michael Li, Jie Zhao
Although mesenchymal stem cells (MSCs) transplantation into the IVD (intervertebral disc) may be beneficial in inhibiting apoptosis of nucleus pulposus cells (NPCs) and alleviating IVD degeneration, the underlying mechanism of this therapeutic process has not been fully explained. The purpose of this study was to explore the protective effect of MSC-derived exosomes (MSC-exosomes) on NPC apoptosis and IVD degeneration and investigate the regulatory effect of miRNAs in MSC-exosomes and associated mechanisms for NPC apoptosis...
August 14, 2017: Journal of Cellular and Molecular Medicine
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