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https://www.readbyqxmd.com/read/28544332/fibroblast-growth-factor-2-protects-against-renal-ischaemia-reperfusion-injury-by-attenuating-mitochondrial-damage-and-proinflammatory-signalling
#1
Xiao-Hua Tan, Xiao-Meng Zheng, Li-Xia Yu, Jian He, Hong-Mei Zhu, Xiu-Ping Ge, Xiao-Li Ren, Fa-Qing Ye, Saverio Bellusci, Jian Xiao, Xiao-Kun Li, Jin-San Zhang
Ischaemia-reperfusion injury (I/RI) is a common cause of acute kidney injury (AKI). The molecular basis underlying I/RI-induced renal pathogenesis and measures to prevent or reverse this pathologic process remains to be resolved. Basic fibroblast growth factor (FGF2) is reported to have protective roles of myocardial infarction as well as in several other I/R related disorders. Herein we present evidence that FGF2 exhibits robust protective effect against renal histological and functional damages in a rat I/RI model...
May 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28543663/lncrna-malat1-promotes-angiogenesis-of-thyroid-cancer-by-modulating-tumor-associated-macrophage-fgf2-protein-secretion
#2
Jian-Kang Huang, Wen-Hua Song, Bang-Yu Lu, Yu-Bin Huang, Hui-Ming Dong, Xiao-Kai Ma, Zheng-Zhi Zhu, Rui Zhou, Ling Ma
OBJECTIVE: Tumor-associated macrophages (TAMs) in the tumor microenvironment have been associated with enhanced tumor progression. In this study, we investigated the role and molecular mechanisms of MALAT1 in TAMs derived from thyroid cancer. METHODS: The expression of MALAT1 and FGF2 in thyroid cancer tissues and cells were measured by quantitative real-time PCR and western blot. TAMs were transfected with indicated constructs. Then the culture medium (CM) from TAMs was harvested for assay...
May 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28539548/skin-resident-stem-cells-and-wound-healing
#3
Yohei Iwata, Hirohiko Akamatsu, Yuichi Hasebe, Seiji Hasegawa, Kazumitsu Sugiura
  CD271 is common stem cell marker for the epidermis and dermis. We assessed a kinetic movement of epidermal and dermal CD271(+) cells in the wound healing process to elucidate the possible involvement with chronic skin ulcers. Epidermal CD271(+) cells were proliferated and migrated from 3 days after wounding. Purified epidermal CD271(+) cells expressed higher TGFβ2 and VEGFα transcripts than CD271(-) cells. Delayed wound healing was observed in the aged mice compared with young mice. During the wound healing process, the peak of dermal CD271(+) cell accumulation was delayed in aged mice compared with young mice...
2017: Nihon Rinshō Men'eki Gakkai Kaishi, Japanese Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28536871/impact-of-early-subcultures-on-stemness-migration-and-angiogenic-potential-of-adipose-tissue-derived-stem-cells-and-their-resistance-to-in-vitro-ischemic-condition
#4
Hossein Faghih, Arash Javeri, Masoumeh Fakhr Taha
Adipose tissue-derived stem cells (ADSCs) are capable of multipotential differentiation and express several angiogenic, anti-apoptotic and immunomodulatory markers. These features make adipose tissue as a promising source of stem cells for regenerative medicine. However, for efficient translational use, culture-induced changes in the gene expression profile and resistance of the ADSCs to ischemic environment should be taken into consideration. We compared the expression of some clinically important markers between the unpassaged and third-passaged ADSCs by RT-PCR, qPCR and flow cytometry...
May 23, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28534463/gene-expression-analysis-of-bovine-embryonic-disc-trophoblast-and-parietal-hypoblast-at-the-start-of-gastrulation
#5
Peter L Pfeffer, Craig S Smith, Paul Maclean, Debra K Berg
In cattle early gastrulation-stage embryos (Stage 5), four tissues can be discerned: (i) the top layer of the embryonic disc consisting of embryonic ectoderm (EmE); (ii) the bottom layer of the disc consisting of mesoderm, endoderm and visceral hypoblast (MEH); (iii) the trophoblast (TB); and (iv) the parietal hypoblast. We performed microsurgery followed by RNA-seq to analyse the transcriptome of these four tissues as well as a developmentally earlier pre-gastrulation embryonic disc. The cattle EmE transcriptome was similar at Stages 4 and 5, characterised by the OCT4/SOX2/NANOG pluripotency network...
May 23, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28533502/clinical-value-and-prospective-pathway-signaling-of-microrna-375-in-lung-adenocarcinoma-a-study-based-on-the-cancer-genome-atlas-tcga-gene-expression-omnibus-geo-and-bioinformatics-analysis
#6
Ting-Qing Gan, Wen-Jie Chen, Hui Qin, Su-Ning Huang, Li-Hua Yang, Ye-Ying Fang, Lin-Jiang Pan, Zu-Yun Li, Gang Chen
BACKGROUND Lung adenocarcinoma (LUAD) is the most frequent lung cancer. MicroRNAs (miRNAs) are believed to have fundamental roles in tumorigenesis of LUAD. Although miRNAs are broadly recognized in LUAD, the role of microRNA-375 in LUAD is still not fully elucidated. MATERIAL AND METHODS We evaluated the significance of miR-375 expression in LUAD by using analysis of a public dataset from the Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) database and a literature review. Furthermore, we investigated the biological function of miR-375 by gene ontology enrichment and target prediction analysis...
May 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28529071/exogenous-fgf2-reverses-depressive-like-behaviors-and-restores-the-suppressed-fgf2-erk1-2-signaling-and-the-impaired-hippocampal-neurogenesis-induced-by-neuroinflammation
#7
Ming-Ming Tang, Wen-Juan Lin, Jun-Tao Zhang, Ya-Wei Zhao, Ying-Cong Li
Our previous work demonstrated that neuroinflammation evoked by triple repeated central LPS challenges inhibited adult hippocampal neurogenesis that were correlated with the depressive-like behavioral symptoms induced by neuroinflammation. These findings suggest that hippocampal neurogenesis might be one of biological mechanisms underlying depression induced by neuroinflammation and targeting neurogenesis might lead to new therapeutic strategies for the treatment of depression. In this study, we manipulated adult hippocampal neurogenesis using fibroblast growth factor 2 (FGF2), one crucial molecule modulating cell proliferation and survival in central nervous system, and investigate the involvement and the potential therapeutic effects of FGF2 on neuroinflammation-induced depression...
May 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28525947/dianhydrogalactitol-a-potential-multitarget-agent-inhibits-glioblastoma-migration-invasion-and-angiogenesis
#8
Xia Jiang, Yinmei Huang, Xiaojie Wang, Qiaofang Liang, Yingjie Li, Fuji Li, Xuanhao Fu, Chonghuan Huang, Huagang Liu
The complexity of cancer has led to single-target agents exhibiting lower-than-desired clinical efficacy. Drugs with multiple targets provide a feasible option for the treatment of complex tumors. Multitarget anti-angiogenesis agents are among the new generation of anticancer drugs and have shown favorable clinical efficacy. Dianhydrogalactitol (DAG) is a chemotherapeutic agent for chronic myeloid leukemia and lung cancer. Recently, it has been tested in phase II trials of glioblastoma treatment; however, mechanisms of DAG in glioblastoma have not been elucidated...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28523267/a-novel-role-for-the-bmp-antagonist-noggin-in-sensitizing-cells-to-non-canonical-wnt-5a-ror2-disheveled-pathway-activation
#9
Ondrej Bernatik, Tomasz Radaszkiewicz, Martin Behal, Zankruti Dave, Florian Witte, Annika Mahl, Nicole H Cernohorsky, Pavel Krejci, Sigmar Stricker, Vitezslav Bryja
Mammalian limb development is driven by the integrative input from several signaling pathways; a failure to receive or a misinterpretation of these signals results in skeletal defects. The brachydactylies, a group of overlapping inherited human hand malformation syndromes, are mainly caused by mutations in BMP signaling pathway components. Two closely related forms, Brachydactyly type B2 (BDB2) and BDB1 are caused by mutations in the BMP antagonist Noggin (NOG) and the atypical receptor tyrosine kinase ROR2 that acts as a receptor in the non-canonical Wnt pathway...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28523251/bone-marker-gene-expression-in-calvarial-bones-different-bone-microenvironments
#10
Osama Al-Amer
BACKGROUND: In calvarial mice, mesenchymal stem cells (MSCs) differentiate into osteoprogenitor cells and then differentiate into osteoblasts that differentiate into osteocytes, which become embedded within the bone matrix. In this case, the cells participating in bone formation include MSCs, osteoprogenitor cells, osteoblasts and osteocytes. The calvariae of C57BL/KaLwRijHsD mice consist of the following five bones: two frontal bones, two parietal bones and one interparietal bone. This study aimed to analyse some bone marker genes and bone related genes to determine whether these calvarial bones have different bone microenvironments...
December 2017: Journal of Biological Research
https://www.readbyqxmd.com/read/28522266/site-specific-conjugation-of-fibroblast-growth-factor-2-fgf2-based-on-incorporation-of-alkyne-reactive-unnatural-amino-acid
#11
K W Swiderska, A Szlachcic, A Czyrek, M Zakrzewska, J Otlewski
Recent advances in site-specific protein modification include the increasingly popular incorporation of unnatural amino acid(s) using amber codon, a method developed by Schultz and coworkers. In this study, we employ this technique to introduce propargyllysine (PrK) in human fibroblast growth factor 2 (FGF2). Owing to an alkyne moiety in its side chain, PrK is compatible with Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC). We successfully tested CuAAC-mediated conjugation of FGF2 with two compounds - a fluorophore carboxyrhodamine 110 or a cytotoxic drug monomethyl auristatin E (MMAE)...
May 5, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28509260/rapid-serum-free-isolation-of-oligodendrocyte-progenitor-cells-from-adult-rat-spinal-cord
#12
John Bianco, Dario Carradori, Ronald Deumens, Anne des Rieux
Oligodendrocyte progenitor cells (OPCs) play a pivotal role in both health and disease within the central nervous system, with oligodendrocytes, arising from resident OPCs, being the main myelinating cell type. Disruption in OPC numbers can lead to various deleterious health defects. Numerous studies have described techniques for isolating OPCs to obtain a better understanding of this cell type and to open doors for potential treatments of injury and disease. However, the techniques used in the majority of these studies involve several steps and are time consuming, with current culture protocols using serum and embryonic or postnatal cortical tissue as a source of isolation...
May 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28506841/definition-of-critical-size-osteochondral-defect-and-it-s-the-negative-effect-to-the-surrounding-articular-cartilage-in-the-rat-knee
#13
Hiroki Katagiri, Luis Filipe Mendes, Frank P Luyten
BACKGROUND: Joint trauma is predisposing to the incidence of osteoarthritis of the knee. There is a limited knowledge on the impact of posttraumatic osteochondral defects on the whole joint. This study was designed to define a critical size osteochondral defect in the knee of rats and to investigate a possible association between osteochondral defects and degeneration of the surrounding joint surface. METHODS: Cylindrical osteochondral defects of different sizes were created in the knee joint of rats...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28503944/mir-133-involves-in-lung-adenocarcinoma-cell-metastasis-by-targeting-flot2
#14
Guangxia Wei, Yahuan Xu, Tao Peng, Jie Yan
BACKGROUND: Dysregulated microRNAs (miRNAs) reported to involve into the oncogenesis and progression in various human cancers. However, the roles and mechanism of miR-133 in lung adenocarcinoma remain largely unclear. METHODS: In this study, qPCR assay and western blot were used to detect the expression levels of miR-133, Akt and FLOT2. Luciferase reporter assay was used to identify the target role of miR-133 on FLOT2. The cell invasion and the migration capability were performed using the transwell invasion assay and wound healing assay...
May 14, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28501726/osteogenic-differentiation-of-mesenchymal-stem-cells-is-impaired-by-bone-morphogenetic-protein-7
#15
Paweena Wongwitwichot, Jasadee Kaewsrichan
PURPOSE: Mesenchymal stem cells (MSCs) are multipotent adult stem cells and present in practically all tissues but originally identified within the bone marrow (BM). The differentiation potential of these cells is generally impaired when culturing in vitro for cell expansion. The aim of this study is to speedily increase the numbers of bone marrow derived mesenchymal stem cells (BM-MSCs) with substantially maintaining their differentiation potential in vitro and improving bone formation in vivo...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28498476/effects-of-unfractionated-heparin-and-rivaroxaban-on-the-expression-of-heparanase-and-fibroblast-growth-factor-2-in-human-osteoblasts
#16
Jingjun Xia, Wei Sheng, Liubao Pei, Ning Li, Zhipeng Zhang, Jialiang Wang, Jianing Zu, Nanxiang Wang, Duanyang Wang
Long-term treatment with anticoagulants may contribute to osteoporosis. Although unfractionated heparin and rivaroxaban have adverse effects on bone microstructure and function in adult rats, the underlying mechanism remains to be elucidated. Heparanase (HPSE) and fibroblast growth factor (FGF)2 are important signals in bone formation and fracture healing. Therefore, the present study was designed to investigate the effects of unfractionated heparin and rivaroxaban on the expression of HPSE and FGF2 in human osteoblasts...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28497156/tumor-suppressors-microrna-302d-and-microrna-16-inhibit-human-glioblastoma-multiforme-by-targeting-nf-%C3%AE%C2%BAb-and-fgf2
#17
Feng Wang, Lijun Yang, Jianping Sun, Jun Zheng, Lin Shi, Gengshen Zhang, Na Cui
Glioblastoma multiforme (GBM) is a highly malignant cancer in the brain with a median survival time of approximately one year. However, the mechanisms underlying GBM development and occurrence are poorly understood. Recently, miRNAs were reported to play important roles in GBM. We performed microRNA profiling by comparing the human GBM cell line T98G and control cell line HCN1A. MicroRNA assays, PCR and Western blot analysis were performed to detect the expressions of microRNAs, mRNAs and proteins of target genes, respectively...
May 12, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28487257/functional-efficacy-of-human-recombinant-fgf-2s-tagged-with-his-6-and-his-asn-6-at-the-n-and-c-termini-in-human-gingival-fibroblast-and-periodontal-ligament-derived-cells
#18
Ji-Hye Lee, Ji-Eun Lee, Kyung-Jung Kang, Young-Joo Jang
Fibroblast growth factor (FGF) is a multifunctional growth factor that induces cell proliferation, survival, migration, and differentiation in various cell types and tissues. With these biological functions, FGF-2 has been evaluated for clinical use in the regeneration of damaged tissues. The expression of hFGF-2 in Escherichia coli and a purification system using the immobilized metal affinity chromatography (IMAC) is well established to generate a continuous supply of FGF-2. Although hexa-histidine tag (H6) is commonly used for IMAC purification, hexa-histidine-asparagine tag (HN6) is also efficient for purification as it is easily exposed on the surface of the protein...
May 6, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28483948/high-affinity-internalizing-human-scfv-fc-antibody-for-targeting-fgfr1-overexpressing-lung-cancer
#19
Aleksandra Sokolowska-Wedzina, Grzegorz Chodaczek, Julia Chudzian, Aleksandra Borek, Malgorzata Zakrzewska, Jacek Otlewski
Targeted delivery of anti-cancer drugs using antibodies specific for tumor-associated antigens represents one of the most important approaches in current immuno-oncology research. Fibroblast growth factor receptor 1 (FGFR1) has been demonstrated to be a high-frequency targetable oncogene specific for smoking-associated lung cancers, present in over 20% of lung squamous cell carcinoma cases. This report describes the generation of a potent, fully human antibody fragment in scFv-Fc format efficiently targeting FGFR1...
May 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28481872/tumor-secreted-anterior-gradient-2-binds-to-vegf-and-fgf2-and-enhances-their-activities-by-promoting-their-homodimerization
#20
H Guo, Q Zhu, X Yu, S B Merugu, H B Mangukiya, N Smith, Z Li, B Zhang, H Negi, R Rong, K Cheng, Z Wu, D Li
The importance of the tumor microenvironment in targeted anticancer therapies has been well recognized. Various protein factors participate in the cross-talk between tumor cells and non-malignant cells. Anterior gradient-2 (AGR2) is overexpressed in diverse human adenocarcinomas and it exists in both intracellular and extracellular spaces. Although intracellular AGR2 has been intensively investigated, the function of secreted AGR2, especially its exact mechanism of action is still poorly understood. Here we report that the secreted AGR2 promotes the angiogenesis and the invasion of vascular endothelial cells and fibroblasts by enhancing the activities of vascular endothelial growth factor (VEGF) and fibroblast growth factor 2 (FGF2)...
May 8, 2017: Oncogene
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