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https://www.readbyqxmd.com/read/29351418/red-blood-cell-antibody-induced-anemia-causes-differential-degrees-of-tissue-hypoxia-in-kidney-and-brain
#1
Nikhil Mistry, C David Mazer, John G Sled, Alan H Lazarus, Lindsay S Cahill, Max Solish, Yu-Qing Zhou, Nadya Romanova, Alexander Gm Hare, Allan Doctor, Joseph A Fisher, Keith R Brunt, Jeremy A Simpson, Gregory M T Hare
Moderate anemia is associated with increased mortality and morbidity, including acute kidney injury (AKI), in surgical patients. A red blood cell (RBC)-specific antibody model was utilized to determine if moderate subacute anemia could result in tissue hypoxia as a potential mechanism of injury. Cardiovascular and hypoxic cellular responses were measured in transgenic mice capable of expressing hypoxia-inducible factor-1α (HIF-1α)-luciferase activity in vivo. Antibody-mediated anemia was associated with mild intravascular hemolysis (6 hours) and splenic RBC sequestration (day 4), resulting in a nadir hemoglobin concentration of 89{plus minus}13 g/L at day 4...
January 10, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29350881/interferon-induced-protein-35-ifi35-inhibits-endothelial-cell-proliferation-migration-and-re-endothelialization-of-injured-arteries-by-inhibiting-the-nuclear-factor-kappa-b-nf-kb-pathway
#2
Dongdong Jian, Weina Wang, Xinmiao Zhou, Zhen Jia, Jing Wang, Mei Yang, Wenting Zhao, Zhen Jiang, Xiaotong Hu, Jianhua Zhu
AIM: Endothelial recovery, or re-endothelialization, plays an important role in intimal hyperplasia and atherosclerosis after endothelial injury. Studying the mechanisms of re-endothelialization and strategies to promote efficient endothelial recovery are still needed. Interferon-induced protein 35 (IFI35) is an IFN-γ-induced protein that plays important roles in the anti-virus-related immune-inflammatory response. In this study, we tested whether overexpression IFI35 affects the proliferation and migration of endothelial cells (ECs) and re-endothelialization...
January 19, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29350681/aav-9-mediated-phosphatase-1-inhibitor-1-overexpression-improves-cardiac-contractility-in-unchallenged-mice-but-is-deleterious-in-pressure-overload
#3
D M Schwab, L Tilemann, R Bauer, M Heckmann, A Jungmann, M Wagner, J Burgis, C Vettel, H A Katus, A El-Armouche, O J Müller
The downregulation of β-adrenergic receptors (β-AR) and decreased cAMP-dependent protein kinase activity in failing hearts results in decreased phosphorylation and inactivation of phosphatase-inhibitor-1 (I-1), a distal amplifier element of β-adrenergic signaling, leading to increased protein phosphatase 1 activity and dephosphorylation of key phosphoproteins, including phospholamban. Downregulated and hypophosphorylated I-1 likely contributes to β-AR desensitization; therefore its modulation is a promising approach in heart failure treatment...
January 19, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29350420/over-expression-of-dec1-inhibits-myogenic-differentiation-by-modulating-myog-activity-in-bovine-satellite-cell
#4
Yongzhen Huang, Xinsheng Lai, Linyong Hu, Chuzhao Lei, Xianyong Lan, Chunlei Zhang, Yun Ma, Li Zheng, Yue-Yu Bai, Fengpeng Lin, Hong Chen
Differentiated embryo chondrocyte 1 (DEC1), a member of basic-helix-loop-helix transcription factor Bhlhe40, also called stimulated by retinoic acid 13, STRA13, plays an important role in the regulation of adipogenesis, tumorigenesis, peripheral circadian output, response to hypoxia and development of metabolic syndrome. Previous studies suggested that DEC1 was involved in skeletal muscle development; however, its precise role in myoblast differentiation has not been determined. In the present study, we showed that DEC1 expressed ubiquitously in different bovine tissues and was down-regulated in differentiated bovine satellite cells...
January 19, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29350287/long-non-coding-rna-h19-promotes-glucose-metabolism-and-cell-growth-in-malignant-melanoma-via-mir-106a-5p-e2f3-axis
#5
Wenkang Luan, Zhou Zhou, Xin Ni, Yun Xia, Jinlong Wang, Yulan Yan, Bin Xu
PURPOSE: lncRNA H19 has been considered as an oncogenic lncRNA in many human tumours. In the present study, we identify the role and molecular mechanism of lncRNA H19 in melanoma. METHOD: QRT-PCR was used to detect the expression of lncRNA H19 and E2F3 was detected in melanoma tissues. Cell counting kit-8 (CCK8), representative metabolites analysis was used to explore the biological function of lncRNA H19, miR-106a-5p and E2F3 in melanoma cells. Bioinformatics, luciferase reporter assays, MS2-RIP and RNA pull-down assay was used to demonstrate the molecular mechanism of lncRNA H19 in melanoma...
January 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29348726/photoaging-protective-effects-of-biogf1k-a-compound-k-rich-fraction-prepared-from-panax-ginseng
#6
Yo Han Hong, Donghyun Kim, Gibaeg Nam, Sulgi Yoo, Sang Yun Han, Seong-Gu Jeong, Eunji Kim, Deok Jeong, Keejung Yoon, Sunggyu Kim, Junseong Park, Jae Youl Cho
Background: BIOGF1K, a compound-K-rich fraction, has been shown to display anti-inflammatory activity. Although Panax ginseng is widely used for the prevention of photoaging events induced by UVB irradiation, the effect of BIOGF1K on photoaging has not yet been examined. In this study, we investigated the effects of BIOGF1K on UVB-induced photoaging events. Methods: We analyzed the ability of BIOGF1K to prevent UVB-induced apoptosis, enhance matrix metalloproteinase (MMP) expression, upregulate anti-inflammatory activity, reduce sirtuin 1 expression, and melanin production using reverse transcription-polymerase chain reaction, melanin content assay, tyrosinase assay, and flow cytometry...
January 2018: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29348628/fezf1-as1-mir-107-znf312b-axis-facilitates-progression-and-warburg-effect-in-pancreatic-ductal-adenocarcinoma
#7
Huilin Ye, Quanbo Zhou, Shangyou Zheng, Guolin Li, Qing Lin, Liangtao Ye, Yingxue Wang, Lusheng Wei, Xiaohui Zhao, Wenzhu Li, Zhiqiang Fu, Yimin Liu, Zhihua Li, Rufu Chen
Long non-coding RNAs (lncRNAs) play a pivotal role in pathological processes. However, little information has been published regarding the underlying functions and mechanisms of lncRNAs in pancreatic ductal adenocarcinoma (PDAC). A novel lncRNA FEZF1-AS1 and its sense-cognate gene ZNF312B were found to be highly expressed in human PDAC tissues and cell lines, which is associated with disease progression and predicts clinical outcome in PDAC patients. Of note, bioinformatics analysis, luciferase assays and RNA immunoprecipitation assays indicated that FEZF1-AS1 may act as an endogenous sponge by competing for miR-107, thereby modulating the derepression of ZNF312B...
January 18, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29348553/night-eating-model-shows-time-specific-depression-like-behavior-in-the-forced-swimming-test
#8
Atsushi Haraguchi, Miyabi Fukuzawa, Shiho Iwami, Yutaro Nishimura, Hiroaki Motohashi, Yu Tahara, Shigenobu Shibata
The circadian clock system is associated with feeding and mood. Patients with night eating syndrome (NES) delay their eating rhythm and their mood declines during the evening and night, manifesting as time-specific depression. Therefore, we hypothesized that the NES feeding pattern might cause time-specific depression. We established new NES model by restricted feeding with high-fat diet during the inactive period under normal-fat diet ad libitum. The FST (forced swimming test) immobility time in the NES model group was prolonged only after lights-on, corresponding to evening and early night for humans...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348304/mir-20a-5p-promotes-adipogenic-differentiation-via-targeting-kruppel-like-factor-3
#9
Endong Zhu, Juanjuan Zhang, Jie Zhou, Hairui Yuan, Wei Zhao, Baoli Wang
miR-20a-5p has recently been identified to induce adipogenesis of established adipogenic cell lines in our previous study. However, its role and molecular mechanisms in the regulation of adipocyte lineage commitment of bone marrow derived stromal cells (BMSCs) still need to be explored. In this report, we demonstrated the expression of miR-20a-5p was promoted gradually during adipogenic differentiation in BMSCs. We also confirmed that miR-20a-5p have a positive function in the adipogenic differentiation of BMSCs by gain-of-function study with overexpression lentivirus or synthetic mimics of miR-20a-5p, and loss-of-function study with sponge lentivirus or synthetic inhibitor of miR-20a-5p...
January 18, 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29347950/the-microrna-15a-pai-2-axis-in-cholangiocarcinoma-associated-fibroblasts-promotes-migration-of-cancer-cells
#10
Penkhae Utaijaratrasmi, Kulthida Vaeteewoottacharn, Takaaki Tsunematsu, Pranisa Jamjantra, Sopit Wongkham, Chawalit Pairojkul, Narong Khuntikeo, Naozumi Ishimaru, Yongyut Sirivatanauksorn, Ananya Pongpaibul, Peti Thuwajit, Chanitra Thuwajit, Yasusei Kudo
BACKGROUND: Cholangiocarcinoma (CCA) has an abundance of tumor stroma which plays an important role in cancer progression via tumor-promoting signals. This study aims to explore the microRNA (miRNA) profile of CCA-associated fibroblasts (CCFs) and the roles of any identified miRNAs in CCA progression. METHODS: miRNA expression profiles of CCFs and normal skin fibroblasts were compared by microarray. Identified downregulated miRNAs and their target genes were confirmed by real-time PCR...
January 18, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29345297/mir-135b-5p-promotes-gastric-cancer-progression-by-targeting-cmtm3
#11
Mingdong Lu, Yingpeng Huang, Weijian Sun, Pihong Li, Liyi Li, Leping Li
CKLF-like MARVEL transmembrane domain containing 3 (CMTM3) is considered to be a tumor suppressor gene in multiple types of malignancies. Previous studies have indicated that CMTM3 suppresses metastasis and epithelial-mesenchymal transition (EMT) in gastric cancer. However, its role in gastric cancer cell proliferation has rarely been discussed. Moreover, the regulatory mechanisms of CMTM3 in gastric cancer remain unclear. In this study, RT‑qPCR and IHC were used to assess the expression of CMTM3 and miR‑135b‑5p in gastric cancer tissues and cell lines...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29345189/microrna-19-contributes-to-the-malignant-phenotypes-of-osteosarcoma-in-vitro-by-targeting-pax6
#12
Qingbing Meng, Ming Dai, Xuejun Nie, Wensheng Zhang, Xingli Xu, Jian Li, Hongxin Mu, Xiaolan Liu, Ling Qin, Xiaoqi Zhu, Jun Yan, Minqian Zheng
This study was conducted to detect the expression of miR-19 and Pax6 (Paired box protein 6) in human osteosarcoma cells and the effects on biological characteristics of osteosarcoma cells. Quantitative real-time polymerase chain reaction was used to detect the expression of Pax6 and miR-19 in normal human osteoblasts (hFOB 1.19) and osteosarcoma cell lines (U2OS, Saos-2, and MG-63). Results showed that miR-19 was significantly upregulated in osteosarcoma cell lines compared with that in hFOB 1.19 cells, while the expression of Pax6 messenger RNA was significantly downregulated...
January 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29345051/mir-595-suppresses-the-cellular-uptake-and-cytotoxic-effects-of-methotrexate-by-targeting-slc19a1-in-cem-c1-cells
#13
Shu-Mei Wang, Lu-Lu Sun, Wan-Shui Wu, Dan Yan
The human solute carrier family 19 member 1 (SLC19A1) is the gene coding for reduced folate carrier 1 (RFC1). In our previous work, we showed that the miR-595-related polymorphism, rs1051296 G>T, which was located in the 3'-untranslated region (3'-UTR) of SLC19A1, was associated with high methotrexate (MTX) plasma concentrations in pediatric acute lymphoblastic leukaemia (ALL) patients. The present study aimed to investigate the role of miR-595 in the regulation of SLC19A1 expression and its effects on the cellular uptake and cytotoxicity of MTX in ALL CEM/C1 cells...
January 17, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29345032/mirna-320a-inhibits-trophoblast-cell-invasion-by-targeting-estrogen-related-receptor-gamma
#14
Tian Gao, Mou Deng, Qian Wang
AIM: MicroRNAs (miRs) play an essential role in the modulation of trophoblast function. We explored miR-320a expression in the human placenta. In addition, we report the promising effect and target functional loop of miR-320a in trophoblasts. METHODS: MiR-320a expression was investigated in both pre-eclamptic and healthy placenta tissues by quantitative real time-polymerase chain reaction to determine how miR-320a affected invasion, proliferation and migration in trophoblasts...
January 18, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29344674/long-non-coding-rna-h1-promotes-cell-proliferation-and-invasion-by-acting-as-a-cerna-of-mir%C3%A2-138-and-releasing-ezh2-in-oral-squamous-cell-carcinoma
#15
Yonglong Hong, Haitao He, Wen Sui, Jingge Zhang, Shenfu Zhang, Dajiang Yang
Long non-coding RNAs (lncRNAs) have been shown to play pivotal roles in various types of human cancer, including oral squamous cell carcinoma (OSCC). However, the potential mechanisms of action of lncRNAs in OSCC remain to be fully elucidated. The aim of the present study was to further explore the potential mechanisms of action of lncRNAs in OSCC. We first analyzed Gene Expression Omnibus (GEO) datasets to investigate aberrantly expressed lncRNAs which may be involved in the development of OSCC. Reverse transcription‑quantitative PCR (RT‑qPCR) was performed to analyze the expression levels of lncRNA H19...
January 16, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344666/let-7b-regulates-alpaca-hair-growth-by-downregulating-ectodysplasin-a
#16
Ning Liu, Shu Niu, Xiao-Rui Cao, Jia-Qi Cheng, Shu-Yuan Gao, Xiu-Ju Yu, Hai-Dong Wang, Chang-Sheng Dong, Xiao-Yan He
Hypohidrotic ectodermal dysplasia (HED), also known as anhidrotic ectodermal dysplasia, is characterized by the clinical manifestations of less sweat or no sweat, sparse or no hair, tooth agenesis and/or abnormal tooth morphology. The characteristics of alpaca ear hair differ from the back hair. The ectodysplasin A (EDA) signaling pathway has a regulatory effect on skin development and hair growth. The aim of the present study was to study the effects of EDA on alpaca hair growth by examining the mRNA and protein expression levels of EDA in alpaca ear and back skin by reverse transcription‑quantitative polymerase chain reaction and western blot analysis, respectively...
January 17, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344658/microrna-188-3p-is-involved-in-sevoflurane-anesthesia-induced-neuroapoptosis-by-targeting-mdm2
#17
Lei Wang, Mengliang Zheng, Shuishui Wu, Zhiqiang Niu
Sevoflurane is a commonly used inhalation anesthetic. Sevoflurane-induced neuroapoptosis and cognitive impairments in animals are widely reported, however, the underlying molecular mechanisms remain largely unknown. The results of the present study demonstrated that sevoflurane anesthesia induced spatial memory impairments in rats, as determined by the Morris water maze test. Mechanistically, the current study demonstrated that sevoflurane administration significantly enhanced the expression of microRNA (miR)‑188‑3p...
January 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344643/microrna-23a-5p-regulates-osteogenic-differentiation-of-human-bone-marrow-derived-mesenchymal-stem-cells-by-targeting-mitogen-activated-protein-kinase-13
#18
Gang Ren, Jing Sun, Meng-Meng Li, Yong-Dong Zhang, Rong-Hua Li, Yu-Ming Li
The molecular mechanisms of osteogenic differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) remain to be fully elucidated. MicroRNAs (miRs) serve vital roles in the process of regulating osteogenic differentiation of BMSCs. The present study aimed to investigate the role of miR‑23a‑5p in osteogenic differentiation of human (h)BMSCs, and the underlying molecular mechanism. The results of reverse transcription‑quantitative polymerase chain reaction demonstrated that miR‑23a‑5p was significantly downregulated in the process of osteogenic differentiation...
January 18, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344285/long-noncoding-rna-h19-derived-mir-675-regulates-cell-proliferation-by-down-regulating-e2f-1-in-human-pancreatic-ductal-adenocarcinoma
#19
Ling Ma, Xiaodong Tian, Huahu Guo, Zhengkui Zhang, Chong Du, Feng Wang, Xuehai Xie, Hongqiao Gao, Yan Zhuang, Marko Kornmann, Hong Gao, Yinmo Yang
The long noncoding RNA (lncRNA) H19 has been proven to be overexpressed in human pancreatic ductal adenocarcinoma (PDAC). H19-induced PDAC cell proliferation is cell cycle-dependent by modulating E2F-1. However, the mechanism of how H19 regulates E2F-1 remains unclear. In this study, we investigated the expression of miR-675 in PDAC tumours and cells, the biological function of miR-675 in PDAC cell proliferation and the possible relationship among H19, miR-675 and E2F-1. As a transcript of the first exon of H19, the level of miR-675 was negatively correlated with H19 expression in microdissected PDAC tissues (r=-0...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344215/mir-203a-suppresses-cell-proliferation-by-targeting-e2f-transcription-factor-3-in-human-gastric-cancer
#20
Huiqin Yang, Lixia Wang, Xiaoli Tang, Wenmei Bai
MicroRNAs (miRs) are a class of short non-coding RNAs that serve an essential role in the tumorigenesis of gastric cancer (GC). MiR-203a has been reported as a tumor repressor in various types of human cancer. In the present study, the function of miR-203a on the proliferation of GC cells was investigated. Bioinformatics analyses revealed that miR-203a targets the 3'-untranslated region of E2F transcription factor 3 (E2F3) messenger RNA. A luciferase reporter assay and western blot analysis were performed to confirm whether E2F3 was a target of miR-203a...
December 2017: Oncology Letters
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