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BioMed Research International

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https://www.readbyqxmd.com/read/28210631/immunogenicity-and-cross-protection-in-mice-afforded-by-pandemic-h1n1-live-attenuated-influenza-vaccine-containing-wild-type-nucleoprotein
#1
Andrey Rekstin, Irina Isakova-Sivak, Galina Petukhova, Daniil Korenkov, Igor Losev, Tatiana Smolonogina, Tatiana Tretiak, Svetlana Donina, Svetlana Shcherbik, Tatiana Bousse, Larisa Rudenko
Since conserved viral proteins of influenza virus, such as nucleoprotein (NP) and matrix 1 protein, are the main targets for virus-specific CD8+ cytotoxic T-lymphocytes (CTLs), we hypothesized that introduction of the NP gene of wild-type virus into the genome of vaccine reassortants could lead to better immunogenicity and afford better protection. This paper describes in vitro and in vivo preclinical studies of two new reassortants of pandemic H1N1 live attenuated influenza vaccine (LAIV) candidates. One had the hemagglutinin (HA) and neuraminidase (NA) genes from A/South Africa/3626/2013 H1N1 wild-type virus on the A/Leningrad/134/17/57 master donor virus backbone (6 : 2 formulation) while the second had the HA, NA, and NP genes of the wild-type virus on the same backbone (5 : 3 formulation)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210630/scientific-evidence-of-rice-by-products-for-cancer-prevention-chemopreventive-properties-of-waste-products-from-rice-milling-on-carcinogenesis-in-vitro-and-in-vivo
#2
REVIEW
Bee Ling Tan, Mohd Esa Norhaizan
Cancer is a significant global health concern affecting men and women worldwide. Although current chemopreventive drugs could inhibit the growth of cancer cells, they exert many adverse side effects. Dietary factor plays a crucial role in the management of cancers and has drawn the attention of researchers to be used as an option to combat this disease. Both in vitro and in vivo studies showed that rice and its by-products display encouraging results in the prevention of this disease. The mechanism of anticancer effect is suggested partly through potentiation of bioactive compounds like vitamin E, phytic acid, γ-aminobutyric acid (GABA), γ-oryzanol, and phenolics...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210629/cellular-mechanisms-of-liver-regeneration-and-cell-based-therapies-of-liver-diseases
#3
REVIEW
Irina V Kholodenko, Konstantin N Yarygin
The emerging field of regenerative medicine offers innovative methods of cell therapy and tissue/organ engineering as a novel approach to liver disease treatment. The ultimate scientific foundation of both cell therapy of liver diseases and liver tissue and organ engineering is delivered by the in-depth studies of the cellular and molecular mechanisms of liver regeneration. The cellular mechanisms of the homeostatic and injury-induced liver regeneration are unique. Restoration of the mass of liver parenchyma is achieved by compensatory hypertrophy and hyperplasia of the differentiated parenchymal cells, hepatocytes, while expansion and differentiation of the resident stem/progenitor cells play a minor or negligible role...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210628/usefulness-of-sweat-management-for-patients-with-adult-atopic-dermatitis-regardless-of-sweat-allergy-a-pilot-study
#4
Sakae Kaneko, Hiroyuki Murota, Susumu Murata, Ichiro Katayama, Eishin Morita
Background. Sweat is an aggravating factor in atopic dermatitis (AD), regardless of age. Sweat allergy may be involved in AD aggravated by sweating. Objective. We investigated whether sweat exacerbates adult AD symptoms and examined the extent of sweat allergy's involvement. Method. We asked 34 AD patients (17 men, 17 women; mean age: 27.8 years) to record the extent to which sweat aggravated their symptoms on a 10-point numerical scale. Participant responses were compared with histamine release tests (HRT)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210627/hyperforin-hp-%C3%AE-cyclodextrin-enhances-mechanosensitive-ca-2-signaling-in-hacat-keratinocytes-and-in-atopic-skin-ex-vivo-which-accelerates-wound-healing
#5
Hiroya Takada, Jun Yonekawa, Masami Matsumoto, Kishio Furuya, Masahiro Sokabe
Cutaneous wound healing is accelerated by mechanical stretching, and treatment with hyperforin, a major component of a traditional herbal medicine and a known TRPC6 activator, further enhances the acceleration. We recently revealed that this was due to the enhancement of ATP-Ca(2+) signaling in keratinocytes by hyperforin treatment. However, the low aqueous solubility and easy photodegradation impede the topical application of hyperforin for therapeutic purposes. We designed a compound hydroxypropyl-β-cyclodextrin- (HP-β-CD-) tetracapped hyperforin, which had increased aqueous solubility and improved photoprotection...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210626/osteogenic-differentiation-capacity-of-in-vitro-cultured-human-skeletal-muscle-for-expedited-bone-tissue-engineering
#6
Chunlei Miao, Lulu Zhou, Lufeng Tian, Yingjie Zhang, Wei Zhang, Fanghong Yang, Tianyi Liu, Shengjian Tang, Fangjun Liu
Expedited bone tissue engineering employs the biological stimuli to harness the intrinsic regenerative potential of skeletal muscle to trigger the reparative process in situ to improve or replace biological functions. When genetically modified with adenovirus mediated BMP2 gene transfer, muscle biopsies from animals have demonstrated success in regenerating bone within rat bony defects. However, it is uncertain whether the human adult skeletal muscle displays an osteogenic potential in vitro when a suitable biological trigger is applied...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210625/new-biomaterials-and-regenerative-medicine-strategies-in-periodontology-oral-surgery-esthetic-and-implant-dentistry-2016
#7
EDITORIAL
David M Dohan Ehrenfest, Adriano Piattelli, Gilberto Sammartino, Hom-Lay Wang
No abstract text is available yet for this article.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210624/rna-sequencing-analysis-reveals-interactions-between-breast-cancer-or-melanoma-cells-and-the-tissue-microenvironment-during-brain-metastasis
#8
Ryo Sato, Teppei Nakano, Mari Hosonaga, Oltea Sampetrean, Ritsuko Harigai, Takashi Sasaki, Ikuko Koya, Hideyuki Okano, Jun Kudoh, Hideyuki Saya, Yoshimi Arima
Metastasis is the main cause of treatment failure and death in cancer patients. Metastasis of tumor cells to the brain occurs frequently in individuals with breast cancer, non-small cell lung cancer, or melanoma. Despite recent advances in our understanding of the causes and in the treatment of primary tumors, the biological and molecular mechanisms underlying the metastasis of cancer cells to the brain have remained unclear. Metastasizing cancer cells interact with their microenvironment in the brain to establish metastases...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210623/in-vitro-and-in-vivo-evaluation-of-commercially-available-fibrin-gel-as-a-carrier-of-alendronate-for-bone-tissue-engineering
#9
Beom Su Kim, Feride Shkembi, Jun Lee
Alendronate (ALN) is a bisphosphonate drug that is widely used for the treatment of osteoporosis. Furthermore, local delivery of ALN has the potential to improve the bone regeneration. This study was designed to investigate an ALN-containing fibrin (fibrin/ALN) gel and evaluate the effect of this gel on both in vitro cellular behavior using human mesenchymal stem cells (hMSCs) and in vivo bone regenerative capacity. Fibrin hydrogels were fabricated using various ALN concentrations (10(-7)-10(-4 )M) with fibrin glue and the morphology, mechanical properties, and ALN release kinetics were characterized...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210622/epigenetics-and-signaling-pathways-in-glaucoma
#10
REVIEW
Angela C Gauthier, Ji Liu
Glaucoma is the most common cause of irreversible blindness worldwide. This neurodegenerative disease becomes more prevalent with aging, but predisposing genetic and environmental factors also contribute to increased risk. Emerging evidence now suggests that epigenetics may also be involved, which provides potential new therapeutic targets. These three factors work through several pathways, including TGF-β, MAP kinase, Rho kinase, BDNF, JNK, PI-3/Akt, PTEN, Bcl-2, Caspase, and Calcium-Calpain signaling. Together, these pathways result in the upregulation of proapoptotic gene expression, the downregulation of neuroprotective and prosurvival factors, and the generation of fibrosis at the trabecular meshwork, which may block aqueous humor drainage...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210621/circular-rnas-in-cardiovascular-disease-an-overview
#11
REVIEW
Ximin Fan, Xinyu Weng, Yifan Zhao, Wei Chen, Tianyi Gan, Dachun Xu
Circular RNA (circRNA), a novel type of endogenous noncoding RNA (ncRNA), has become a research hotspot in recent years. CircRNAs are abundant and stably exist in creatures, and they are found with covalently closed loop structures in which they are quite different from linear RNAs. Nowadays, an increasing number of scientists have demonstrated that circRNAs may have played an essential role in the regulation of gene expression, especially acting as miRNA sponges, and have described the potential mechanisms of several circRNAs in diseases, hinting at their clinical therapeutic values...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28203569/comparison-of-activator-headgear-and-twin-block-treatment-approaches-in-class-ii-division-1-malocclusion
#12
Stjepan Spalj, Kate Mroz Tranesen, Kari Birkeland, Visnja Katic, Andrej Pavlic, Vaska Vandevska-Radunovic
The purpose was to compare the treatment effects of functional appliances activator-headgear (AH) and Twin Block (TB) on skeletal, dental, and soft-tissue structures in class II division 1 malocclusion with normal growth changes in untreated subjects. The sample included 50 subjects (56% females) aged 8-13 years with class II division 1 malocclusion treated with either AH (n = 25) or TB (n = 25) appliances. Pre- and posttreatment lateral cephalograms were evaluated and compared to 50 untreated class II division 1 cases matched by age, gender, ANB angle, and skeletal maturity...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28203568/mirna-sequence-indicates-that-mesenchymal-stem-cells-and-exosomes-have-similar-mechanism-to-enhance-cardiac-repair
#13
Lianbo Shao, Yu Zhang, Beibei Lan, Juanjuan Wang, Zhiwei Zhang, Lulu Zhang, Pengli Xiao, Qingyou Meng, Yong-Jian Geng, Xi-Yong Yu, Yangxin Li
Mesenchymal stem cells (MSCs) repair infarcted heart through paracrine mechanism. We sought to compare the effectiveness of MSCs and MSC-derived exosomes (MSC-Exo) in repairing infarcted hearts and to identify how MSC-Exo mediated cardiac repair is regulated. In a rat myocardial infarction model, we found that MSC-Exo inhibited cardiac fibrosis, inflammation, and improved cardiac function. The beneficial effects of MSC-Exo were significantly superior compared to that of MSCs. To explore the potential mechanisms underlying MSC-Exo's effects, we performed several in vitro experiments and miRNA-sequence analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28203567/identification-of-three-novel-splicing-variants-and-expression-analysis-of-chicken-gpr1-gene
#14
Xueyou Zhang, Qihai Xiao, Kai Tian, Yan Wang, Xiaoling Zhao, Huadong Yin, Diyan Li, Qing Zhu
GPR1 is a G protein-coupled receptor that plays critical roles in eukaryotic cells: typically, response to glucose stimulation, lipid accumulation, and transmitting nutrition signals to cAMP pathway. However, the alternative splicing of the GPR1 gene and its expression pattern in chicken tissues and ovarian follicles were unknown. In our current study, we used RACE-PCR to identify three GPR1 variants, including the full-length variant (GPR1-va1) and two alternatively spliced variants (GPR1-va2, GPR1-vb). Quantitative real-time PCR examined the expression pattern of GPR1 mRNA in chicken tissues and ovarian follicles...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197419/instrument-variables-for-reducing-noise-in-parallel-mri-reconstruction
#15
Yuchou Chang, Haifeng Wang, Yuanjie Zheng, Hong Lin
Generalized autocalibrating partially parallel acquisition (GRAPPA) has been a widely used parallel MRI technique. However, noise deteriorates the reconstructed image when reduction factor increases or even at low reduction factor for some noisy datasets. Noise, initially generated from scanner, propagates noise-related errors during fitting and interpolation procedures of GRAPPA to distort the final reconstructed image quality. The basic idea we proposed to improve GRAPPA is to remove noise from a system identification perspective...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197418/expression-of-cadherin-17-promotes-metastasis-in-a-highly-bone-marrow-metastatic-murine-breast-cancer-model
#16
Tomoko Okada, Atsushi Kurabayashi, Nobuyoshi Akimitsu, Mutsuo Furihata
We previously established 4T1E/M3 highly bone marrow metastatic mouse breast cancer cells through in vivo selection of 4T1 cells. But while the incidence of bone marrow metastasis of 4T1E/M3 cells was high (~80%) when injected intravenously to mice, it was rather low (~20%) when injected subcutaneously. Therefore, using 4T1E/M3 cells, we carried out further in vitro and in vivo selection steps to establish FP10SC2 cells, which show a very high incidence of metastasis to lungs (100%) and spines (85%) after subcutaneous injection into mice...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197417/basal-and-activated-calcium-sensitization-mediated-by-rhoa-rho-kinase-pathway-in-rats-with-genetic-and-salt-hypertension
#17
Michal Behuliak, Michal Bencze, Ivana Vaněčková, Jaroslav Kuneš, Josef Zicha
Calcium sensitization mediated by RhoA/Rho kinase pathway can be evaluated either in the absence (basal calcium sensitization) or in the presence of endogenous vasoconstrictor systems (activated calcium sensitization). Our aim was to compare basal and activated calcium sensitization in three forms of experimental hypertension with increased sympathetic tone and enhanced calcium entry-spontaneously hypertensive rats (SHR), heterozygous Ren-2 transgenic rats (TGR), and salt hypertensive Dahl rats. Activated calcium sensitization was determined as blood pressure reduction induced by acute administration of Rho kinase inhibitor fasudil in conscious rats with intact sympathetic nervous system (SNS) and renin-angiotensin system (RAS)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197416/evaluation-of-metal-ion-concentration-in-hard-tissues-of-teeth-in-residents-of-central-poland
#18
Piotr Wychowanski, Konrad Malkiewicz
Objectives. The aim of the study was an assessment of the content of trace elements in enamel and dentin of teeth extracted in patients residing in urban and agricultural areas of Poland. Methods. The study included 30 generally healthy patients with retained third molars. 65 samples of enamel and dentin from individuals living in urban areas and 85 samples of enamel and dentin from individuals living in agricultural areas were prepared. The content of manganese, lead, cadmium, and chromium in the studied enamel and dentin samples from retained teeth was determined by Graphite Furnace Atomic Absorption Spectrometry...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197415/pharmacoinformatics-adaptive-evolution-and-elucidation-of-six-novel-compounds-for-schizophrenia-treatment-by-targeting-daoa-g72-isoforms
#19
Sheikh Arslan Sehgal
Studies on Schizophrenia so far reveal a complex picture of neurological malfunctioning reported to be strongly associated with DAOA. Detailed sequence analyses proved DAOA as a primate specific gene having conserved gene desert region on both upstream and downstream region. The analyses of 10 MB chromosomal region of primates, birds, rodents, and reptiles having DAOA evidenced the conserved part in primates and in the rest of species, while DAOA is only present in primates. DAOA has four isoforms having one interaction partner DAO...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197414/pharmacokinetic-and-toxicological-evaluation-of-a-zinc-gluconate-based-chemical-sterilant-using-in-vitro-and-in-silico-approaches
#20
Carlos F Araujo-Lima, Rafael J M Nunes, Raphael M Carpes, Claudia A F Aiub, Israel Felzenszwalb
Sclerosing agents as zinc gluconate-based chemical sterilants (Infertile®) are used for chemical castration. This solution is injected into the animal testis, but there are not enough evidences of its safety profiles for the receivers. The present work aimed to establish the pharmacokinetics and toxicological activity of Infertile, using in vitro and in silico approaches. The evaluation at the endpoint showed effects in a dose-dependent manner. Since necrosis is potentially carcinogenic, the possible cell death mechanism could be apoptosis...
2017: BioMed Research International
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