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https://www.readbyqxmd.com/read/28212551/nrip-dcaf6-stabilizes-the-androgen-receptor-protein-by-displacing-ddb2-from-the-cul4a-ddb1-e3-ligase-complex-in-prostate-cancer
#1
Hsin-Hsiung Chen, Ping Fan, Szu-Wei Chang, Yeou-Ping Tsao, Hsiang-Po Huang, Show-Li Chen
Both nuclear receptor interaction protein (NRIP) and DNA damage binding protein 2 (DDB2) belong to the Cullin 4 (CUL4)-DDB1 binding protein family and are androgen receptor (AR)-interacting proteins. Here, we investigated the expression patterns of the NRIP, DDB2 and AR proteins in human prostate cancer tissues and found that the expression levels of NRIP and AR were higher, but the DDB2 level was lower, in prostate cancer tissues than in non-neoplastic controls, suggesting NRIP as a candidate tumor promoter and DDB2 as a tumor suppressor in prostate cancer...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212453/bone-morphogenetic-protein-2-hybridized-with-nano-anchored-oligonucleotides-on-titanium-implants-enhances-osteogenic-differentiation-in-vivo
#2
Florian Böhrnsen, Jennifer Rublack, Nelia Aeckerle, Anne Foerster, Bernd Schwenzer, Judith Reichert, Dieter Scharnweber, Henning Schliephake
PURPOSE: Previous in vitro studies have shown that DNA oligonucleotides (ODN) can be successfully used as anchor strands for the binding and retarded release of biologically active recombinant human bone morphogenetic protein 2 (rhBMP-2). The aim of the present study was to test the hypothesis that rhBMP-2 bound to the surface of titanium implants through hybridization with nano-anchored ODN strands is biologically active and can enhance the induction of osteogenic markers in peri-implant bone in vivo...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28211945/ip3-receptor-mutations-and-brain-diseases-in-human-and-rodents
#3
REVIEW
Chihiro Hisatsune, Katsuhiko Mikoshiba
The inositol 1,4,5 trisphosphate receptor (IP3 R) is a huge Ca(2+) channel that is localized at the endoplasmic reticulum (ER). The IP3 R releases Ca(2+) from the ER upon binding to IP3 , which is produced by various extracellular stimuli through phospholipase C activation. All vertebrate organisms have three subtypes of IP3 R genes, which have distinct properties of IP3 -binding and Ca(2+) sensitivity, and are differently regulated by phosphorylation and by their associated proteins. Each cell type expresses the three subtypes of IP3 R in a distinct proportion, which is important for creating and maintaining spatially and temporally appropriate intracellular Ca(2+) level patterns for the regulation of specific physiological phenomena...
February 17, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28211900/amyloid-%C3%AE-oligomers-interact-with-neurexin-and-diminish-neurexin-mediated-excitatory-presynaptic-organization
#4
Yusuke Naito, Yuko Tanabe, Alfred Kihoon Lee, Edith Hamel, Hideto Takahashi
Alzheimer's disease (AD) is characterized by excessive production and deposition of amyloid-beta (Aβ) proteins as well as synapse dysfunction and loss. While soluble Aβ oligomers (AβOs) have deleterious effects on synapse function and reduce synapse number, the underlying molecular mechanisms are not well understood. Here we screened synaptic organizer proteins for cell-surface interaction with AβOs and identified a novel interaction between neurexins (NRXs) and AβOs. AβOs bind to NRXs via the N-terminal histidine-rich domain (HRD) of β-NRX1/2/3 and alternatively-spliced inserts at splicing site 4 of NRX1/2...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211700/from-genotype-to-phenotype-cytochrome-p450-2d6-mediated-drug-clearance-in-humans
#5
Jie Gao, Xin Tian, Jun Zhou, Ming-Zhu Cui, Hai-Feng Zhang, Na Gao, Qiang Wen, Hai-Ling Qiao
How genotypic variation results in phenotypic differences is still a challenge for biology. In the field of drug metabolism the means by which specific cytochrome P4502D6 (CYP2D6) genotypes yield different phenotypes at various levels (molecular, cellular, and organismal) is an important question, as differences in CYP2D6 activity can contribute to adverse drug reactions. Herein, the genotype of CYP2D6 was determined along with the absolute content of CYP2D6 and microsomal protein per gram of liver in human liver microsomes, the molecular, cellular (microsomal, tissue, organ), and organismal phenotype of CYP2D6 determined; the effect of genotype on each phenotype of CYP2D6-mediated dextromethorphan clearance (CL) was delineated, and the overall genotype-phenotype relationship for CYP2D6 was charted...
February 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28210976/regenerative-medicine-for-parkinson-s-disease-using-differentiated-nerve-cells-derived-from-human-buccal-fat-pad-stem-cells
#6
Haruka Takahashi, Hiroshi Ishikawa, Akira Tanaka
The purpose of this study was to evaluate the utility of human adipose stem cells derived from the buccal fat pad (hBFP-ASCs) for nerve regeneration. Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons. PD is a candidate disease for cell replacement therapy because it has no fundamental therapeutic methods. We examined the properties of neural-related cells induced from hBFP-ASCs as a cell source for PD treatment. hBFP-ASCs were cultured in neurogenic differentiation medium for about 2 weeks...
February 16, 2017: Human Cell
https://www.readbyqxmd.com/read/28210757/sildenafil-a-phosphodiesterase-type-5-inhibitor-downregulates-osteopontin-in-human-peripheral-blood-mononuclear-cells
#7
Beata Kaleta, Agnieszka Boguska
The aim of this study was to investigate the ability of sildenafil to regulate osteopontin (OPN) gene and protein in peripheral blood mononuclear cells (PBMCs) from healthy blood donors. OPN is expressed by a wide variety of cell types, including immune cells. OPN functions are linked to various physiological and pathological conditions. Sildenafil is a selective inhibitor of type 5 phosphodiesterase. Sildenafil has recently been found to have immunomodulatory effects in animal models and in studies performed in humans...
February 16, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28209491/the-preterm-cervix-reveals-a-transcriptomic-signature-in-the-presence-of-premature-pre-labor-rupture-of-membranes
#8
Sofia Makieva, Aurelija Dubicke, Sara F Rinaldi, Emma Fransson, Gunvor Ekman-Ordeberg, Jane E Norman
BACKGROUND: Premature Pre-labor Rupture of Fetal Membranes (PPROM) accounts for 30% of all premature births and is associated with detrimental long-term infant outcomes. Premature cervical remodeling, facilitated by matrix metalloproteinases (MMPs), may trigger rupture at the zone of the fetal membranes overlying the cervix. The similarities and differences underlying cervical remodeling in PPROM and spontaneous preterm labor with intact membranes (PTL) are unexplored. OBJECTIVES: We aimed a) to perform the first transcriptomic assessment of the preterm human cervix to identify differences between PPROM and PTL and b) to compare the enzymatic activities of MMP-2 and 9 between PPROM and PTL...
February 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28209379/endocultivation-continuous-application-of-rhbmp-2-via-mini-osmotic-pumps-to-induce-bone-formation-at-extraskeletal-sites
#9
B E Beck-Broichsitter, S T Becker, H Seitz, J Wiltfang, P H Warnke
The continuous presence of recombinant human bone morphogenetic protein 2 (rhBMP-2) inside a scaffold may be crucial to the outcome in bone tissue engineering. This study investigated whether the release of the growth factor rhBMP-2 via different continuous application schemes influences histomorphological aspects of the hard and soft tissues induced. Three-dimensionally printed hydroxyapatite scaffolds were implanted into one latissimus dorsi muscle of 42 female Lewis rats. Simultaneously implanted mini-osmotic pumps were used to provide a continuous application of rhBMP-2 over 1, 2, or 4 weeks (total dose 200μg)...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28209134/first-clinical-experience-in-14-patients-treated-with-advos-a-study-on-feasibility-safety-and-efficacy-of-a-new-type-of-albumin-dialysis
#10
Wolfgang Huber, Benedikt Henschel, Roland Schmid, Ahmed Al-Chalabi
BACKGROUND: Liver failure (LF) is associated with prolonged hospital stay, increased cost and substantial mortality. Due to the limited number of donor organs, extracorporeal liver support is suggested as an appealing concept to "bridge to transplant" or to avoid transplant in case of recovery. ADVanced Organ Support (ADVOS) is a new type of albumin dialysis, that provides rapid regeneration of toxin-binding albumin by two purification circuits altering the binding capacities of albumin by biochemical (changing of pH) and physical (changing of temperature) modulation of the dialysate...
February 16, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28208054/high-glucose-induced-hypomethylation-promotes-binding-of-sp-1-to-myo-inositol-oxygenase-implication-in-the-pathobiology-of-diabetic-tubulopathy
#11
Isha Sharma, Rajesh K Dutta, Neel K Singh, Yashpal S Kanwar
The catabolic enzyme myo-inositol oxygenase (MIOX) is expressed in proximal tubules and up-regulated in the diabetic state. Previously, we reported its transcriptional and translation regulation by high glucose (HG), osmolytes, and fatty acids. However, its epigenetic regulation is unknown. Bisulfite sequencing revealed that both human and mouse MIOX promoters, enriched with CpG sites, are hypomethylated and unmethylated under HG ambience and hyperglycemic states associated with increased MIOX expression. Eletrophoretic mobility shift assays revealed increased binding of unmethylated oligos with nucleoproteins of cells maintained under HG...
February 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28207840/using-the-hephaistos-orthotic-device-to-study-countermeasure-effectiveness-of-neuromuscular-electrical-stimulation-and-dietary-lupin-protein-supplementation-a-randomised-controlled-trial
#12
Jochen Zange, Kathrin Schopen, Kirsten Albracht, Darius A Gerlach, Petra Frings-Meuthen, Nicola A Maffiuletti, Wilhelm Bloch, Jörn Rittweger
PURPOSE: The present study investigated whether neuromuscular electrical stimulation for 20 min twice a day with an electrode placed over the soleus muscle and nutritional supplementation with 19 g of protein rich lupin seeds can reduce the loss in volume and strength of the human calf musculature during long term unloading by wearing an orthotic unloading device. METHODS: Thirteen healthy male subjects (age of 26.4 ± 3.7 years) wore a Hephaistos orthosis one leg for 60 days during all habitual activities...
2017: PloS One
https://www.readbyqxmd.com/read/28207788/self-complementary-adeno-associated-virus-serotype-6-mediated-knockdown-of-adamts4-induces-long-term-and-effective-enhancement-of-aggrecan-in-degenerative-human-nucleus-pulposus-cells-a-new-therapeutic-approach-for-intervertebral-disc-disorders
#13
Demissew Shenegelegn Mern, Anja Tschugg, Sebastian Hartmann, Claudius Thomé
Inhibition of intervertebral disc (IVD) degeneration, which is often accompanied by painful inflammatory and immunopathological processes, is challenging. Current IVD gene therapeutic approaches are based on adenoviral gene delivery systems, which are limited by immune reactions to their viral proteins. Their applications in IVDs near to sensitive neural structure could provoke toxicity and immunological side-effects with neurological deficits. Self-complementary adeno-associated virus (scAAV) vectors, which do not express any viral gene and are not linked with any known disease in humans, are attractive therapeutic gene delivery vectors in degenerative IVDs...
2017: PloS One
https://www.readbyqxmd.com/read/28205598/lyn-regulates-mucus-secretion-and-muc5ac-via-the-stat6-signaling-pathway-during-allergic-airway-inflammation
#14
Xiaoyun Wang, Yin Li, Deyu Luo, Xing Wang, Yun Zhang, Zhigang Liu, Nanshan Zhong, Min Wu, Guoping Li
Hypersecretion of mucus is an important component of airway remodeling and contributes to the mucus plugs and airflow obstruction associated with severe asthma phenotypes. Lyn has been shown to down-regulate allergen-induced airway inflammation. However, the role of Lyn in mucin gene expression remains unresolved. In this study, we first demonstrate that Lyn overexpression decreased the mucus hypersecretion and levels of the muc5ac transcript in mice exposed to ovalbumin (OVA). Lyn overexpression also decreased the infiltration of inflammatory cells and the levels of IL-13 and IL-4 in OVA-challenged airways...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205459/effects-of-an-antagonistic-analog-of-growth-hormone-releasing-hormone-on-endometriosis-in-a-mouse-model-and-in-vitro
#15
Frank Köster, Li Jin, Yuanming Shen, Andrew V Schally, Ren-Zhi Cai, Norman L Block, Daniela Hornung, Gabriele Marschner, Achim Rody, Jörg B Engel, Dominique Finas
Endometriosis is a benign gynecologic disorder causing dysmenorrhea, pelvic pain, and subfertility. Receptors for the growth hormone-releasing hormone (GHRH) were found in endometriotic tissues. Antagonists of GHRH have been used to inhibit the growth of endometriotic endometrial stromal cells. In this study, the GHRH receptor splice variant (SV) 1 was detected in human endometrial tissue samples by Western blots and quantitative reverse transcription polymerase chain reaction (qRT-PCR). The highest messenger RNA (mRNA) and protein levels of SV1 were found in eutopic endometrium from patients with endometriosis compared to ectopic endometriotic tissues and endometrium from normal patients...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28205408/rna-processing-and-protein-expression-of-hla-b-07-44n
#16
A Balas, F García-Sánchez, J L Vicario
BACKGROUND: The assignment of human leukocyte antigen (HLA) null alleles is clinically relevant in the setting of stem cell transplantation. Cell surface expression profiling and mRNA processing analysis of the HLA-B allele previously designated as B*07:44, have been performed. MATERIALS AND METHODS: Cell surface expression of HLA-B*07:44 was determined using flow cytometry. Genomic full-length and HLA-B*07-specific cDNA sequencing were carried out by Sanger procedure...
February 15, 2017: HLA
https://www.readbyqxmd.com/read/28204817/resveratrol-inhibits-the-il-1%C3%AE-induced-expression-of-mmp-13-and-il-6-in-human-articular-chondrocytes-via-tlr4-myd88-dependent-and-independent-signaling-cascades
#17
Hailun Gu, Yongliang Jiao, Xiaolu Yu, Xingyao Li, Wei Wang, Lifeng Ding, Li Liu
The natural polyphenolic compound, resveratrol, has been shown to exhibit anti-osteoarthritic activity. Therefore it is hypothesized that resveratrol may serve as a nutritional supplement to counteract osteoarthritis (OA). However, the mechanisms responsible for these anti-osteoarthritic effects have not yet been fully elucidated. The aim of this study was to determine whether the biological effects of resveratrol against interleukin (IL)-1β‑induced inflammation in human articular chondrocytes involved both Toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)-dependent and -independent signaling pathways...
February 9, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28203099/a-new-dermocosmetic-containing-retinaldehyde-delta-tocopherol-glucoside-and-glycylglycine-oleamide-for-managing-naturally-aged-skin-results-from-in-vitro-to-clinical-studies
#18
Céline Rouvrais, Daniel Bacqueville, Patrick Bogdanowicz, Marie-José Haure, Laure Duprat, Christine Coutanceau, Nathalie Castex-Rizzi, Hélène Duplan, Valérie Mengeaud, Sandrine Bessou-Touya
INTRODUCTION: Natural aging of skin tissues, the addition of the cumulative action of the time and radiation exposure result in skin atrophy, wrinkles and degeneration of the extracellular matrix (ECM). The aim of the study was to investigate the beneficial effect of a combination containing retinaldehyde (RAL), delta-tocopherol glucoside (delta-TC) and glycylglycine ole-amide (GGO) and of a dermocosmetic containing the combination. MATERIALS AND METHODS: The protective effect of the combination was assessed through in vitro gene expression of ultraviolet (UV)-irradiated fibroblasts...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28202997/-a-novel-tissue-engineered-bone-constructed-by-using-human-adipose-derived-stem-cells-and-biomimetic-calcium-phosphate-scaffold-coprecipitated-with-bone-morphogenetic-protein-2
#19
W R Jiang, X Zhang, Y S Liu, G Wu, Y J Ge, Y S Zhou
OBJECTIVE: To construct a novel biomimetic calcium phosphate (BioCaP) scaffold loaded with bone morphogenetic protein-2 (BMP-2), and to investigate its role in the osteogenesis of human adipose-derived stem cells (hASCs) in vitro and in vivo. METHODS: The BioCaP scaffold coprecipitated with BMP-2 (BMP-2-BioCaP) was constructed in this study. Field emission scanning electron microscopy (SEM) was used to analyze the morphology of the surfaces. The release kinetics was measured to evaluate the slow-release characteristics in vitro...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202949/clinical-diversity-caused-by-novel-ighmbp2-variants
#20
Jun-Hui Yuan, Akihiro Hashiguchi, Akiko Yoshimura, Hiroshi Yaguchi, Koji Tsuzaki, Azusa Ikeda, Kenji Wada-Isoe, Masahiro Ando, Tomonori Nakamura, Yujiro Higuchi, Yu Hiramatsu, Yuji Okamoto, Hiroshi Takashima
Immunoglobulin helicase μ-binding protein 2 (IGHMBP2) gene is responsible for Charcot-Marie-Tooth disease (CMT) type 2S and spinal muscular atrophy with respiratory distress type 1 (SMARD1). From June 2014 to December 2015, we collected 408 cases, who referred to our genetic laboratory for genetic analysis, suspected with CMT disease or other inherited peripheral neuropathies (IPNs) on the basis of clinical manifestations and electrophysiological studies. Mutation screening was performed using Ion AmpliSeq Custom Panels, which comprise 72 disease-causing or candidate genes of IPNs...
February 16, 2017: Journal of Human Genetics
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