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https://www.readbyqxmd.com/read/29785396/expression-characterization-of-six-genes-possibly-involved-in-gonad-development-for-stellate-sturgeon-individuals-acipenser-stellatus-pallas-1771
#1
Alexandru Burcea, Gina-Oana Popa, Iulia Elena Florescu Gune, Marilena Maereanu, Andreea Dudu, Sergiu Emil Georgescu, Marieta Costache
Nowadays, in sturgeon's aquaculture, there is a necessity for sex identification at early stages in order to increase the efficiency of this commercial activity. The basis for a correct identification is studying the different factors that influence the gonad development. The research has been directed towards molecular methods that have been employed with various degrees of success in identifying genes with different expression patterns between male and female sturgeons during their development stages. For the purpose of understanding the sexual development of 4-year-old stellate sturgeon (Acipenser stellatus) individuals, we have selected six genes ( foxl2 , cyp17a1 , ar , dmrt1 , sox9 , and star )...
2018: International Journal of Genomics
https://www.readbyqxmd.com/read/29785089/schisandrin-b-ameliorated-chondrocytes-inflammation-and-osteoarthritis-via-suppression-of-nf-%C3%AE%C2%BAb-and-mapk-signal-pathways
#2
Jisheng Ran, Chiyuan Ma, Kai Xu, Langhai Xu, Yuzhe He, Safwat Adel Abdo Moqbel, Pengfei Hu, Lifeng Jiang, Weiping Chen, Jiapeng Bao, Yan Xiong, Lidong Wu
Introduction: Osteoarthritis (OA) is the most prevalent joint disorder in the elderly population, and inflammatory mediators like IL-1β were thought to play central roles in its development. Schisandrin B, the main active component derived from Schisandra chinensis , exhibited anti-oxidative and antiinflammatory properties. Methods: In the present study, the protective effect and the underlying mechanism of Schisan-drin B on OA was investigated in vivo and in vitro...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29784003/bi-directional-regulation-of-cartilage-metabolism-by-inhibiting-bet-proteins-analysis-of-the-effect-of-i-bet151-on-human-chondrocytes-and-murine-joints
#3
Jin Dai, Sheng Zhou, Qiting Ge, Jinzhong Qin, Dongyang Chen, Zhihong Xu, Dongquan Shi, Jianxin Li, Huangxian Ju, Yi Cao, Minghao Zheng, Chao Jun Li, Xiang Gao, Huajian Teng, Qing Jiang
BACKGROUND: Proinflammatory cytokines, which can upregulate the expression of matrix-degrading enzymes in chondrocytes, play important roles in the development of osteoarthritis. And a BET protein inhibitor, I-BET151, has been shown to exert an anti-inflammatory effect by repressing the BET protein-mediated expression of inflammatory genes. Our objective is to investigate the effect of I-BET151 on a surgical mouse model of osteoarthritis (OA) and human chondrocytes. METHODS: We first treated a surgical mouse model of OA with I-BET151 once per day and evaluated the knee joints at 6 and 8 weeks after treatment...
May 21, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29777903/sox9-is-increased-in-arterial-plaque-and-stenosis-associated-with-synthetic-phenotype-of-vascular-smooth-muscle-cells-and-causes-alterations-in-extracellular-matrix-and-calcification
#4
Antje Augstein, Johannes Mierke, David M Poitz, Ruth H Strasser
Vascular smooth muscle cells (VSMC) exhibit a dual role in progression and maintenance of arteriosclerosis. They are fundamental for plaque stability but also can drive plaque progression. During pathogenic vascular remodeling, VSMC transdifferentiate into a phenotype with enhanced proliferation and migration. Moreover, they exert an increased capacity to generate extracellular matrix proteins. A special lineage of transdifferentiated VSMC expresses Sox9, a multi-functional transcription factor. The aim of the study was to examine the role of Sox9 in phenotypic alterations leading to arteriosclerosis...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777416/identification-of-genes-involved-in-gonadal-sex-differentiation-and-the-dimorphic-expression-pattern-in-takifugu-rubripes-gonad-at-the-early-stage-of-sex-differentiation
#5
Hongwei Yan, Xufang Shen, Xin Cui, Yumeng Wu, Lianshun Wang, Lei Zhang, Qi Liu, Yusheng Jiang
Quantifying the expression of mRNAs in the gonads at the critical stage of molecular sex differentiation stage might help to clarify the regulatory network during early sex differentiation and provide new information on the role of sex-related genes in gonadal function. In this study, transcriptomic analysis of sex-related genes expression profiles in fugu gonads at 60 and 90 days after hatching (dah) was conducted firstly, and a total of 112,504,991 clean reads, encompassing 28.35 Gb of sequences were retrieved...
May 18, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29775627/acquisition-of-tumorigenic-potential-and-therapeutic-resistance-in-cd133-subpopulation-of-prostate-cancer-cells-exhibiting-stem-cell-like-characteristics
#6
Rajnee Kanwal, Sanjeev Shukla, Ethan Walker, Sanjay Gupta
The role of CD133 (Prominin-1) as a cancer stem cell marker may be useful for therapeutic approaches and prognostication in prostate cancer patients. We investigated the stem-cell-related function and biological features of a subpopulation of CD133+ cells isolated from established primary human prostate cancer cell lines. The CD133+ cells sorted from human prostate cancer 22Rv1 exhibited high clonogenic and tumorigenic capabilities, sphere forming capacity and serially reinitiated transplantable tumors in NOD-SCID mice...
May 15, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29774080/microrna-193b-3p-regulates-chondrogenesis-and-chondrocyte-metabolism-by-targeting-hdac3
#7
Fangang Meng, Zhiwen Li, Zhiqi Zhang, Zibo Yang, Yan Kang, Xiaoyi Zhao, Dianbo Long, Shu Hu, Minghui Gu, Suiwen He, Peihui Wu, Zongkun Chang, Aishan He, Weiming Liao
Histone deacetylase 3 (HDAC3) plays a pivotal role in the repression of cartilage-specific gene expression in human chondrocytes. The aim of this study was to determine whether microRNA-193b-3p (miR-193b-3p) regulates the expression of HDAC3 during chondrogenesis and chondrocyte metabolism. Methods: miR-193b-3p expression was assessed in a human mesenchymal stem cell (hMSC) model of chondrogenesis, in interleukin-1β (IL-1β)-treated primary human chondrocytes (PHCs), and in non-degraded and degraded cartilage...
2018: Theranostics
https://www.readbyqxmd.com/read/29771405/correlations-of-sox9-expression-with-serum-igf1-and-inflammatory-cytokines-il-1%C3%AE-and-il-6-in-skin-lesions-of-patients-with-acne
#8
J Ji, R-H Zhang, H-M Li, Q Guo, L-L Zhang, J Zhu, L Chen
OBJECTIVE: To study the correlations of sex determining region Y-box 9 (SOX9) expression with serum type-1 insulin-like growth factor (IGF-1), interleukin-1α (IL-1α), and interleukin-6 (IL-6) in skin lesion tissues of patients with acne. PATIENTS AND METHODS: Six patients with acne who were treated for the first time in our outpatient clinic from June 2017 to July 2017 were selected as observation group, and 6 normal subjects were selected as control group. The expression of SOX9 was detected by immunohistochemistry...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29765228/role-of-mir-613-as-a-tumor-suppressor-in-glioma-cells-by-targeting-sox9
#9
Qiuling Sang, Xuejuan Liu, Daju Sun
Background and objectives: MicroRNA-613 (miR-613), a novel cancer-related microRNA, has been shown to be responsible for the inhibition of tumor development and progression in various cancers. We aimed to investigate the biological function and regulatory mechanisms of miR-613 in gliomas. Materials and methods: miR-613 expression were detected by qRT-PCR assays in glioma tissues and cell lines. Cell Counting Kit-8 (CCK-8) assay, colony formation analysis, wound healing and transwell invasion assays were performed to evaluate cell proliferation, colony formation, migration and invasion abilities...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29763553/effective-remodelling-of-human-osteoarthritic-cartilage-by-sox9-gene-transfer-and-overexpression-upon-delivery-of-raav-vectors-in-polymeric-micelles
#10
Ana Rey-Rico, Jagadesh Kumar Venkatesan, Gertrud Schmitt, Susanne Speicher-Mentges, Henning Madry, Magali Cucchiarini
Recombinant adeno-associated virus (rAAV) vectors are well suited carriers to provide durable treatments for human osteoarthritis (OA). Controlled release of rAAV from polymeric micelles was already shown to increase both the stability and bioactivity of the vectors while overcoming barriers precluding effective gene transfer. In the present study, we examined the convenience of delivering rAAV vectors via poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) polymeric (PEO-PPO-PEO) micelles to transfer and overexpress the transcription factor SOX9 in monolayers of human OA chondrocytes and in experimentally created human osteochondral defects...
May 15, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29760942/induction-of-chondrogenesis-of-human-placenta-derived-mesenchymal-stem-cells-via-heparin-grafted-human-fibroblast-derived-matrix
#11
Yong Kwan Noh, Ping Du, Avelino Dos Santos Da Costa, Kwideok Park
Background: Formation of mature and functional articular cartilage is still challenging in cartilage tissue engineering. This study investigates the potential of using heparin-grafted decellularized extracellular matrix (ECM) as a novel growth factor delivery platform towards human placenta-derived mesenchymal stem cells (hPMSCs) chondrogenic differentiation. Human fibroblast-derived extracellular matrix (hFDM) is naturally obtained from in vitro-cultured human lung fibroblasts via a mild decellularization process...
2018: Biomaterials Research
https://www.readbyqxmd.com/read/29753378/microrna-140-suppresses-human-chondrocytes-hypertrophy-by-targeting-smad1-and-controlling-the-bone-morphogenetic-protein-pathway-in-osteoarthritis
#12
Canfeng Li, Qinshen Hu, Zhuo Chen, Bin Shen, Jing Yang, Pengde Kang, Zongke Zhou, Fuxing Pei
BACKGROUND: This study aimed to investigate the expression levels and relationship of bone morphogenetic proteins (BMPs) signaling molecules and microRNA-140 (miR-140) in human osteoarthritis (OA) chondrocytes. MATERIALS AND METHODS: Different stage chondrocytes (normal cartilage, mid-stage OA and advanced-stage OA) were isolated from cartilage samples according to Kellgren and Lawrence criteria. The effect of miR-140 on BMPs signaling was evaluated by transfecting miR-140 mimic or inhibitor into chondrocytes...
May 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29749469/association-between-sox9-and-ca9-in-glioma-and-its-effects-on-chemosensitivity-to-tmz
#13
Xiaoshan Xu, Zhen Wang, Nan Liu, Yingduan Cheng, Weilin Jin, Pengxing Zhang, Xin Wang, Hongwei Yang, Hui Liu, Yongsheng Zhang, Yanyang Tu
Temozolomide (TMZ) is a standard chemotherapeutic drug used in the treatment of glioblastoma multiforme (GBM); however, resistance to this drug is common. SRY-Box 9 (SOX9) expression is associated with a poor prognosis of patients with GBM and with resistance to TMZ. Therefore, the aim of this study was to examine the effects of SOX9 inhibition on the sensitivity of glioma cells to TMZ treatment. We knocked down the expression of SOX9 (SOX9KD) via lentiviral infection in two glioblastoma (U87 and U251) cell lines, and the cells were then subjected to gene microarray, Gene Ontology and KEGG analysis pathway, all of which revealed a close association between SOX9 and the carbonic anhydrase 9 (CA9) gene...
April 26, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29740094/a-role-for-sox9-in-post-transcriptional-processes-insights-from-the-amphibian-oocyte
#14
M Penrad-Mobayed, C Perrin, D L'Hôte, V Contremoulins, J-A Lepesant, B Boizet-Bonhoure, F Poulat, X Baudin, R A Veitia
Sox9 is a member of the gene family of SOX transcription factors, which is highly conserved among vertebrates. It is involved in different developmental processes including gonadogenesis. In all amniote species examined thus far, Sox9 is expressed in the Sertoli cells of the male gonad, suggesting an evolutionarily conserved role in testis development. However, in the anamniotes, fishes and amphibians, it is also expressed in the oocyte but the significance of such an expression remains to be elucidated. Here, we have investigated the nuclear localization of the SOX9 protein in the oocyte of three amphibian species, the urodelan Pleurodeles waltl, and two anurans, Xenopus laevis and Xenopus tropicalis...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739401/limited-utility-of-tissue-micro-arrays-in-detecting-intra-tumoral-heterogeneity-in-stem-cell-characteristics-and-tumor-progression-markers-in-breast-cancer
#15
Pascale Kündig, Charlotte Giesen, Hartland Jackson, Bernd Bodenmiller, Bärbel Papassotirolopus, Sandra Nicole Freiberger, Catharine Aquino, Lennart Opitz, Zsuzsanna Varga
BACKGROUND: Intra-tumoral heterogeneity has been recently addressed in different types of cancer, including breast cancer. A concept describing the origin of intra-tumoral heterogeneity is the cancer stem-cell hypothesis, proposing the existence of cancer stem cells that can self-renew limitlessly and therefore lead to tumor progression. Clonal evolution in accumulated single cell genomic alterations is a further possible explanation in carcinogenesis. In this study, we addressed the question whether intra-tumoral heterogeneity can be reliably detected in tissue-micro-arrays in breast cancer by comparing expression levels of conventional predictive/prognostic tumor markers, tumor progression markers and stem cell markers between central and peripheral tumor areas...
May 8, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29737330/therapy-for-cartilage-defects-functional-ectopic-cartilage-constructed-by-cartilage-simulating-collagen-chondroitin-sulfate-and-hyaluronic-acid-cch-hybrid-hydrogel-with-allogeneic-chondrocytes
#16
Xianfang Jiang, Junting Liu, Qin Liu, Zhenhui Lu, Li Zheng, Jinmin Zhao, Xingdong Zhang
OBJECTIVE: To regenerate functional cartilage-mimicking ectopic cartilage as a source for the restoration of cartilage defects, we used a previously synthesized three-phase collagen, chondroitin sulfate and hyaluronic acid (CCH) hydrogel for the encapsulation of allogeneic chondrocytes with a diffusion chamber system that was buried subcutaneously in the host for 4 weeks and then implanted into a cartilage defect. METHODS: The CCH hydrogel was prepared and seeded with allogeneic chondrocytes from new-born rabbits, prior to being enveloped in a diffusion chamber that prevents cell ingrowth and vascular invasion of the host, as described previously...
May 8, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29735715/znrf3-functions-in-mammalian-sex-determination-by-inhibiting-canonical-wnt-signaling
#17
Abigail Harris, Pam Siggers, Silvia Corrochano, Nick Warr, Danielle Sagar, Daniel T Grimes, Makoto Suzuki, Rebecca D Burdine, Feng Cong, Bon-Kyoung Koo, Hans Clevers, Isabelle Stévant, Serge Nef, Sara Wells, Raja Brauner, Bochra Ben Rhouma, Neïla Belguith, Caroline Eozenou, Joelle Bignon-Topalovic, Anu Bashamboo, Ken McElreavey, Andy Greenfield
Mammalian sex determination is controlled by the antagonistic interactions of two genetic pathways: The SRY-SOX9-FGF9 network promotes testis determination partly by opposing proovarian pathways, while RSPO1/WNT-β-catenin/FOXL2 signals control ovary development by inhibiting SRY-SOX9-FGF9. The molecular basis of this mutual antagonism is unclear. Here we show that ZNRF3, a WNT signaling antagonist and direct target of RSPO1-mediated inhibition, is required for sex determination in mice. XY mice lacking ZNRF3 exhibit complete or partial gonadal sex reversal, or related defects...
May 7, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29732726/functional-characterisation-of-the-osteoarthritis-genetic-risk-residing-at-aldh1a2-identifies-rs12915901-as-a-key-target-variant
#18
Colin Shepherd, Dongxing Zhu, Andrew J Skelton, Jennifer Combe, Harrison Threadgold, Linyi Zhu, Tonia L Vincent, Paul Stuart, Louise N Reynard, John Loughlin
OBJECTIVE: To identify the functional single nucleotide polymorphisms (SNPs) and mechanisms conferring increased hand osteoarthritis (OA) risk at the ALDH1A2 locus, which is a retinoic acid (RA) regulatory gene. METHODS: Tissues from 247 knee, hip or hand OA patients who had undergone joint surgery were included. RNA-sequencing was used to investigate differential expression of ALDH1A2 and other RA signalling pathway genes in cartilage. ALDH1A2 expression in multiple joint tissues was quantified by qPCR...
May 6, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29731777/the-hypoxia-mimetic-agent-cobalt-chloride-differently-affects-human-mesenchymal-stem-cells-in-their-chondrogenic-potential
#19
Gabriella Teti, Stefano Focaroli, Viviana Salvatore, Eleonora Mazzotti, Laura Ingra', Antonio Mazzotti, Mirella Falconi
Adult stem cells are a promising cell source for cartilage regeneration. They resided in a special microenvironment known as the stem-cell niche, characterized by the presence of low oxygen concentration. Cobalt chloride (CoCl2 ) imitates hypoxia in vitro by stabilizing hypoxia-inducible factor-alpha (HIF-1 α ), which is the master regulator in the cellular adaptive response to hypoxia. In this study, the influence of CoCl2 on the chondrogenic potential of human MSCs, isolated from dental pulp, umbilical cord, and adipose tissue, was investigated...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29728593/photoluminescent-cationic-carbon-dots-as-efficient-non-viral-delivery-of-plasmid-sox9-and-chondrogenesis-of-fibroblasts
#20
Xia Cao, Jianping Wang, Wenwen Deng, Jingjing Chen, Yan Wang, Jie Zhou, Pan Du, Wenqian Xu, Qiang Wang, Qilong Wang, Qingtong Yu, Myron Spector, Jiangnan Yu, Ximing Xu
With the increasing demand for higher gene carrier performance, a multifunctional vector could immensely simplify gene delivery for disease treatment; nevertheless, the current non- viral vectors lack self-tracking ability. Here, a type of novel, dual-functional cationic carbon dots (CDs), produced through one-step, microwave-assisted pyrolysis of arginine and glucose, have been utilized as both a self-imaging agent and a non-viral gene vector for chondrogenesis from fibroblasts. The cationic CDs could condense the model gene plasmid SOX9 (pSOX9) to form ultra-small (10-30 nm) nanoparticles which possessed several favorable properties, including high solubility, tunable fluorescence, high yield, low cytotoxicity and outstanding biocompatibility...
May 4, 2018: Scientific Reports
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