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https://www.readbyqxmd.com/read/29783019/total-flavonoid-extract-of-epimedium-herb-increases-the-peak-bone-mass-of-young-rats-involving-enhanced-activation-of-the-ac10-camp-pka-creb-pathway
#1
Hui-Rong Xi, Hui-Ping Ma, Fang-Fang Yang, Yu-Hai Gao, Jian Zhou, Yuan-Yuan Wang, Wen-Yuan Li, Cory J Xian, Ke-Ming Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Epimedium sagittatum brevicornum Maxim. is an important traditional Chinese herb that has long been used to promote bone fracture healing and treat osteoporosis. AIM OF THE STUDY: Achieving peak bone mass by adolescence has now been accepted to be fundamental for preventing osteoporosis in adulthood life. This study investigated the possibility of increasing peak bone mass in young rats using the total flavonoid extract of Epimedium herb (TFE)...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29782695/dual-ag-zno-decorated-micro-nanoporous-sulfonated-polyetheretherketone-with-superior-antibacterial-capability-and-biocompatibility-via-layer-by-layer-self-assembly-strategy
#2
Yi Deng, Lei Yang, Xiaobing Huang, Junhong Chen, Xiuyuan Shi, Weizhong Yang, Min Hong, Yuan Wang, Matthew S Dargusch, Zhi-Gang Chen
Polyetheretherketone is attractive for dental and orthopedic applications due to its mechanical attributes close to that of human bone; however, the lack of antibacterial capability and bioactivity of polyetheretherketone has substantially impeded its clinical applications. Here, a dual therapy implant coating is developed on the 3D micro-/nanoporous sulfonated polyetheretherketone via layer-by-layer self-assembly of Ag ions and Zn ions. Material characterization studies have indicated that nanoparticles consisting of elemental Ag and ZnO are uniformly incorporated on the porous sulfonated polyetheretherketone surface...
May 21, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29782519/increased-circulating-microrna-122-is-a-biomarker-for-discrimination-and-risk-stratification-in-patients-defined-by-sepsis-3-criteria
#3
Tim Rahmel, Simon T Schäfer, Ulrich H Frey, Michael Adamzik, Jürgen Peters
BACKGROUND: Sepsis is now operationally defined as life-threatening organ dysfunction caused by an infection, identified by an acute change in SOFA-Score of at least two points, including clinical chemistry such as creatinine or bilirubin concentrations. However, little knowledge exists about organ-specific microRNAs as potentially new biomarkers. Accordingly, we tested the hypotheses that micro-RNA-122, the foremost liver-related micro-RNA (miR), 1) discriminates between sepsis and infection, 2) is an early predictor for mortality, and 3) improves the prognostic value of the SOFA-score...
2018: PloS One
https://www.readbyqxmd.com/read/29782499/tgf%C3%AE-signaling-limits-lineage-plasticity-in-prostate-cancer
#4
Yi Hao, Glen A Bjerke, Karolina Pietrzak, Tiffany A Melhuish, Yu Han, Stephen D Turner, Henry F Frierson, David Wotton
Although treatment options for localized prostate cancer (CaP) are initially effective, the five-year survival for metastatic CaP is below 30%. Mutation or deletion of the PTEN tumor suppressor is a frequent event in metastatic CaP, and inactivation of the transforming growth factor (TGF) ß signaling pathway is associated with more advanced disease. We previously demonstrated that mouse models of CaP based on inactivation of Pten and the TGFß type II receptor (Tgfbr2) rapidly become invasive and metastatic...
May 21, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29780259/delivery-of-bevacizumab-by-intracranial-injection-assessment-in-glioma-model
#5
Yu-Xiao Liu, Wen-Jia Liu, Hui-Ru Zhang, Zhi-Wen Zhang
Background: Many reports have indicated that the intravenous administration of bevacizumab produces a number of systemic side effects. Therefore, we investigated the therapeutic effects of intratumoral bevacizumab administration using a glioma animal model. Methods: The glioma cell lines U251 and U87 that carried luciferase were implanted into the brains of mice to develop glioma models. Glioma-bearing mice were treated with bevacizumab intravenously or intratumorally by Alzet micro-osmotic pumps, and the survival time of mice was monitored...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29780045/-screening-for-biological-marker-of-dose-optimization-in-cancer-radiotherapy
#6
Tatsuya Ueno, Satoru Monzen, Mitsuru Chiba, Yuki Morino, Yoichiro Hosokawa
PURPOSE AND METHODS: External radiotherapy of target regions using high-energy beams leads to excessive exposure along with individual variation in therapeutic and adverse effects. However, high-precision radiotherapy utilizes 3D-multi detector computed tomography to confirm both target position and administer radiation dose. To install the individual bioinformation in the radiotherapy plan (particularly, radiosensitivity into the target region and/or the around normal tissue), the investigation of biomarkers, which are able to estimate their radiosensitivity was performed...
2018: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/29779627/in-vitro-assessment-of-ribose-modified-two-step-etch-and-rinse-dentine-adhesive
#7
U Daood, J K H Tsoi, P Neelakantan, J P Matinlinna, H A K Omar, M Al-Nabulsi, A S Fawzy
OBJECTIVE: Collagen fibrils aid in anchoring resin composite restorations to the dentine substrate. The aim of the study was to investigate effect of non-enzymatic glycation on bond strength and durability of demineralized dentine specimens in a modified two-step etch-and-rinse dentine adhesive. METHODS: Dentine surfaces were etched with 37% phosphoric acid, bonded with respective in vitro ethanol and acetone adhesives modified with (m/m, 0, 1%, 2% and 3% ribose), restored with restorative composite-resin, and sectioned into resin-dentine slabs and beams to be stored for 24h or 12 months in artificial saliva...
May 17, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29778400/stromal-heterogeneity-in-pancreatic-cancer-and-chronic-pancreatitis
#8
Lena Haeberle, Katja Steiger, Anna Melissa Schlitter, Sami Alexander Safi, Wolfram Trudo Knoefel, Mert Erkan, Irene Esposito
BACKGROUND/OBJECTIVES: An abundant stromal reaction is a hallmark of pancreatic ductal adenocarcinoma (PDAC) and chronic pancreatitis (CP). The cells mainly responsible for the stromal reaction are activated pancreatic stellate cells (PSCs). Despite their crucial role, PSCs are not well characterized. PSCs share characteristics with the better-known hepatic stellate cells (HSCs). The aim of this study was a detailed analysis of PSCs in PDAC and CP. METHODS: Whole-slide specimens of CP (n = 12) and PDAC (n = 10) were studied by histochemistry and immunohistochemistry...
May 12, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29776381/wnt-signaling-in-multiple-myeloma-a-central-player-in-disease-with-therapeutic-potential
#9
REVIEW
Ingrid Spaan, Reinier A Raymakers, Anja van de Stolpe, Victor Peperzak
Multiple myeloma is the second most frequent hematological malignancy in the western world and remains incurable, predominantly due to acquired drug resistance and disease relapse. The highly conserved Wnt signal transduction pathway, which plays a key role in regulating cellular processes of proliferation, differentiation, migration, and stem cell self-renewal, is associated with multiple aspects of disease. Bone homeostasis is severely disturbed by Wnt antagonists that are secreted by the malignant plasma cells in the bone marrow...
May 18, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29774045/transposon-derived-non-coding-rnas-and-their-function-in-plants
#10
REVIEW
Jungnam Cho
Transposable elements (TEs) are often regarded as harmful genomic factors and indeed they are strongly suppressed by the epigenetic silencing mechanisms. On the other hand, the mobilization of TEs brings about variability of genome and transcriptome which are essential in the survival and evolution of the host species. The vast majority of such controlling TEs influence the neighboring genes in cis by either promoting or repressing the transcriptional activities. Although TEs are highly repetitive in the genomes and transcribed in specific stress conditions or developmental stages, the trans -acting regulatory roles of TE-derived RNAs have been rarely studied...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29772836/soybean-hop-alleviates-estrogen-deficiency-related-bone-loss-and-metabolic-dysfunction-in-ovariectomized-rats-fed-a-high-fat-diet
#11
Dasom Noh, Yeni Lim, Hansol Lee, Hyejin Kim, Oran Kwon
Soybeans and hops have been traditionally used as a natural estrogen replacement therapy and their major active ingredients, isoflavones and prenylflavanones, are known to have estrogenic/antiestrogenic effects depending on the target organ. However, their potential benefits are still subject to controversies. The present study investigated the dual effect of soy isoflavones plus hop prenylflavanones (Soy-Hop) on bone loss and metabolic dysfunction under estrogen deficient condition. Rats were sham-operated ( n = 10) or ovariectomized (OVX; n = 40) and then fed a high-fat diet (HFD) to develop hyperlipidemia in OVX rats within the experimental period of 8 weeks...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29771925/in-vitro-and-in-vivo-biological-performance-of-porous-ti-alloys-prepared-by-powder-metallurgy
#12
Renata Falchete do Prado, Gabriela Campos Esteves, Evelyn Luzia De Souza Santos, Daiane Acácia Griti Bueno, Carlos Alberto Alves Cairo, Luis Gustavo Oliveira De Vasconcellos, Renata Silveira Sagnori, Fernanda Bastos Pereira Tessarin, Felipe Eduardo Oliveira, Luciane Dias De Oliveira, Maria Fernanda Lima Villaça-Carvalho, Vinicius André Rodrigues Henriques, Yasmin Rodarte Carvalho, Luana Marotta Reis De Vasconcellos
Titanium (Ti) and Ti-6 Aluminium-4 Vanadium alloys are the most common materials in implants composition but β type alloys are promising biomaterials because they present better mechanical properties. Besides the composition of biomaterial, many factors influence the performance of the biomaterial. For example, porous surface may modify the functional cellular response and accelerate osseointegration. This paper presents in vitro and in vivo evaluations of powder metallurgy-processed porous samples composed by different titanium alloys and pure Ti, aiming to show their potential for biomedical applications...
2018: PloS One
https://www.readbyqxmd.com/read/29771438/methylene-blue-attenuates-renal-ischemia-reperfusion-injury-by-negative-regulation-of-nlrp3-signaling-pathway
#13
J-J Liu, L Lu, F-Q Hu, H Yuan, Q Xu, Y-F Qin, J-H Gong
OBJECTIVE: To investigate the effect of methylene blue (MB) on renal ischemia-reperfusion (IR) injury in mice and its possible relevant mechanisms. MATERIALS AND METHODS: A total of 30 male C57/BL6 mice aged 4 months old were randomly divided into the following three groups: Sham group (n=10), IR group (n=10), and MB group (n=10). Mice in MB group were treated with gavage continuously using methylene blue solution (dosage: 25 mg·kg-1·d-1) until they were 7 months old...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29771419/mir-1275-promotes-non-small-cell-lung-cancer-cell-proliferation-and-metastasis-by-regulating-lzts3-expression
#14
J He, L Yu, C-M Wang, X-F Zhou
OBJECTIVE: To detect the expressions of micro-ribonucleic acid 1275 (miR-1275) in non-small cell lung cancer (NSCLC) tissues and cells, analyze the correlations of the expression of miR-1275 with the clinicopathological features of NSCLC, and explore its biological function and potential molecular mechanism. PATIENTS AND METHODS: Quantitative Real-time polymerase chain reaction (qRT-PCR) was used to detect the relative expression levels of miR-1275 in NSCLC tissues and cells...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29771401/mir-133a-inhibits-fracture-healing-via-targeting-runx2-bmp2
#15
H Peng, S-L Lu, Y Bai, X Fang, H Huang, X-Q Zhuang
OBJECTIVE: To analyze the mechanism of miR-133a in inhibiting fracture healing through regulating runt-related transcription factor 2 (RUNX2) signaling pathway. PATIENTS AND METHODS: A total of 80 patients with fracture admitted to our hospital from January 2016 to January 2017 were divided into 2 groups according to nonunion fracture or healing fracture: nonunion fracture group (n = 40) and control group (n= 40). After admission, patients underwent the surgery, respectively, and the bone tissues were taken for stand-by application...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29769709/vector-polymorphic-beam
#16
José A Rodrigo, Tatiana Alieva
A scalar polymorphic beam is designed with independent control of its intensity and phase along a strongly focused laser curve of arbitrary shape. This kind of beam has been found crucial in the creation of freestyle laser traps able to confine and drive the motion of micro/nano-particles along reconfigurable 3D trajectories in real time. Here, we present and experimentally prove the concept of vector polymorphic beam adding the benefit of independent design of the light polarization along arbitrary curves...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29767672/blockade-of-tlr4-within-the-paraventricular-nucleus-attenuates-blood-pressure-by-regulating-ros-and-inflammatory-cytokines-in-prehypertensive-rats
#17
Mo-Lin Wang, Xiao-Jing Yu, Xiao-Guang Li, De-Zhi Pang, Qing Su, Roland Osei Saahene, Hong-Bao Li, Xu-Ying Mao, Kai-Li Liu, Li-Yan Fu, Ying Li, Guo-Qing Zhu, Yu-Ming Kang
Background: Toll like receptor 4 (TLR4) has been implicated in the progression of cardiovascular disease, including hypertension. However, the role of TLR4 in the development of prehypertension is uncertain. Methods: Prehypertensive rats were treated with 8% salt for 12 weeks to induce prehypertension. These rats were then given either TAK-242 selective TLR4 blocker, or vehicle by bilateral micro-injection to the paraventricular nucleus (PVN). Blood pressure and renal sympathetic nerve activity were recorded...
May 15, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29767469/cd109-deficiency-induces-osteopenia-with-an-osteoporosis-like-phenotype-in-vivo
#18
Shinji Mii, Akiyoshi Hoshino, Atsushi Enomoto, Yoshiki Murakumo, Masako Ito, Akira Yamaguchi, Masahide Takahashi
Osteoporosis is a global public health problem that is increasing along with an aging population. A major determinant of osteoporosis is high bone turnover, which results from osteoclast activation. CD109 is a glycosylphosphatidylinositol-anchored glycoprotein, a deficiency that leads to a psoriasis-like skin inflammation in mice. Although the expression of CD109 has been reported in mouse pre-osteoclast cells, its function in osteoclasts in vivo remains largely unknown. To investigate the physiological role of CD109 in bone metabolism, we analyzed bones from wild-type and CD109-deficient adult mice...
May 16, 2018: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/29767447/expression-of-ribosomal-and-actin-network-proteins-and-immunochemotherapy-resistance-in-diffuse-large-b-cell-lymphoma-patients
#19
Susanne Bram Ednersson, Martin Stenson, Mimmie Stern, Gunilla Enblad, Henrik Fagman, Herman Nilsson-Ehle, Sverker Hasselblom, Per-Ola Andersson
Diffuse large B cell lymphoma (DLBCL) patients with early relapse or refractory disease have a very poor outcome. Immunochemotherapy resistance will probably, also in the era of targeted drugs, remain the major cause of treatment failure. We used proteomic mass spectrometry to analyse the global protein expression of micro-dissected formalin-fixed paraffin-embedded tumour tissues from 97 DLBCL patients: 44 with primary refractory disease or relapse within 1 year from diagnosis (REF/REL), and 53 who were progression-free more than 5 years after diagnosis (CURED)...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29766758/anti-inflammatory-peptide-attenuates-edema-and-promotes-bmp-2-induced-bone-formation-in-spine-fusion
#20
Juliane D Glaeser, Khosrowdad Salehi, Linda Kanim, Dmitriy Sheyn, Zachary NaPier, Phillip Behrens, Leslie Garcia, Jason M Cuéllar, Hyun W Bae
Recombinant human bone morphogenic protein-2 (BMP-2) loaded absorbable collagen sponges (ACS) have been successfully used to enhance bone formation and to induce spinal fusion in humans. However, side effects, such as soft-tissue edema and inflammation, have been reported. NEMO binding domain peptide (NBD) inhibits activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), a central regulator of immune response. In this study, we investigated NBD's potential to reduce BMP-2-induced soft-tissue inflammation without affecting BMP-2-mediated spinal fusion in rat...
May 16, 2018: Tissue Engineering. Part A
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