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BioMed Research International

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https://www.readbyqxmd.com/read/28337463/skin-tissue-engineering-application-of-adipose-derived-stem-cells
#1
REVIEW
Agnes S Klar, Jakub Zimoch, Thomas Biedermann
Perception of the adipose tissue has changed dramatically over the last few decades. Identification of adipose-derived stem cells (ASCs) ultimately transformed paradigm of this tissue from a passive energy depot into a promising stem cell source with properties of self-renewal and multipotential differentiation. As compared to bone marrow-derived stem cells (BMSCs), ASCs are more easily accessible and their isolation yields higher amount of stem cells. Therefore, the ASCs are of high interest for stem cell-based therapies and skin tissue engineering...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337462/time-and-dose-dependent-effects-of-17-beta-estradiol-on-short-term-real-time-proliferation-and-gene-expression-in-porcine-granulosa-cells
#2
Sylwia Ciesiółka, Joanna Budna, Karol Jopek, Artur Bryja, Wiesława Kranc, Sylwia Borys, Michal Jeseta, Adrian Chachuła, Agnieszka Ziółkowska, Paweł Antosik, Dorota Bukowska, Klaus P Brüssow, Małgorzata Bruska, Michał Nowicki, Maciej Zabel, Bartosz Kempisty
The key mechanisms responsible for achievement of full reproductive and developmental capability in mammals are the differentiation and transformation of granulosa cells (GCs) during folliculogenesis, oogenesis, and oocyte maturation. Although the role of 17 beta-estradiol (E2) in ovarian activity is widely known, its effect on proliferative capacity, gap junction connection (GJC) formation, and GCs-luteal cells transformation requires further research. Therefore, the goal of this study was to assess the real-time proliferative activity of porcine GCs in vitro in relation to connexin (Cx), luteinizing hormone receptor (LHR), follicle stimulating hormone receptor (FSHR), and aromatase (CYP19A1) expression during short-term (168 h) primary culture...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337461/molecular-mechanism-for-the-regulation-of-microcystin-toxicity-to-protein-phosphatase-1-by-glutathione-conjugation-pathway
#3
Wansong Zong, Xiaoning Wang, Yonggang Du, Shuhan Zhang, Ying Zhang, Yue Teng
Glutathione (GSH) conjugation was an important pathway to regulate the toxicity of microcystins (MCs) targeted to protein phosphatases. To explore the specific molecular mechanism for GSH detoxification, two typical MC-GSHs (derived from MCLR and MCRR) were synthesized, prepared, and purified according to previous research. Then, the reduced inhibition effect for MC-GSHs on protein phosphatase 1 was verified by comparing with their original toxins. To further clarify the molecular mechanism for MC-GSHs detoxification, we evaluated the interactions between MCs/MC-GSHs and PP1 with the assistance of MOE molecule simulation...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337460/caudal-epidural-block-an-updated-review-of-anatomy-and-techniques
#4
REVIEW
Sheng-Chin Kao, Chia-Shiang Lin
Caudal epidural block is a commonly used technique for surgical anesthesia in children and chronic pain management in adults. It is performed by inserting a needle through the sacral hiatus to gain entrance into the sacral epidural space. Using conventional blind technique, the failure rate of caudal epidural block in adults is high even in experienced hands. This high failure rate could be attributed to anatomic variations that make locating sacral hiatus difficult. With the advent of fluoroscopy and ultrasound in guiding needle placement, the success rate of caudal epidural block has been markedly improved...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337459/maxillofacial-prosthesis-in-dentofacial-traumas-a-retrospective-clinical-study-and-introduction-of-new-classification-method
#5
Edoardo Brauner, Giorgio Pompa, Alessandro Quarato, Sara Jamshir, Francesca De Angelis, Stefano Di Carlo, Valentino Valentini
Background. Maxillofacial trauma represents a field of common interest as regards both the maxillofacial surgery and prosthodontics, especially for the functional and aesthetic stomatognathic rehabilitation. This condition necessitates relationship between maxillofacial surgeon and prosthodontist, to achieve the ultimate treatment goal. Purpose. The purpose of this study is to make predictable patients outcomes classifying their clinical data, using certain parameters and introducing a new classification method...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337458/protein-array-based-detection-of-proteins-in-kidney-tissues-from-patients-with-membranous-nephropathy
#6
Shuqiang Wang, Yang Lu, Quan Hong, Xiaodong Geng, Xu Wang, Wei Zheng, Chengcheng Song, Chunling Liu, Meng Fan, Yue Xi, Mandi Guo, Di Wu
Membranous nephropathy (MN) is an autoimmune inflammatory disease in which proteins related with plenty of biological processes play an important role. However, the role of these proteins in the pathogenesis of MN is still unclear. This study aimed to screen differential proteins in kidney tissue samples from MN patients by using protein arrays and determine the pathways involved in the pathogenesis of MN. This study first tested a quantitative protein array (QAH-INF-3) and two semiquantitative protein arrays (L-493 and L-507) with normal renal tissue and identified L-493 as the most appropriate assay to compare protein levels between MN tissues and normal control tissues...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337457/screening-for-tuberculosis-in-health-care-workers-experience-in-an-italian-teaching-hospital
#7
Christian Napoli, Filippo Ferretti, Filippo Di Ninno, Riccardo Orioli, Alessandra Marani, Maria Giuditta Sarlo, Claudio Prestigiacomo, Assunta De Luca, Giovanni Battista Orsi
Health care workers (HCW) are particularly at risk of acquiring tuberculosis (TB), even in countries with low TB incidence. Therefore, TB screening in HCW is a useful prevention strategy in countries with both low and high TB incidence. Tuberculin skin test (TST) is widely used although it suffers of low specificity; on the contrary, the in vitro enzyme immunoassay tests (IGRA) show superior specificity and sensitivity but are more expensive. The present study reports the results of a three-year TB surveillance among HCW in a large teaching hospital in Rome, using TST (by standard Mantoux technique) and IGRA (by QuantiFERON-TB) as first- and second-level screening tests, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337456/comparison-of-the-protective-effects-of-individual-components-of-particulated-trans-sialidase-ptcts-ptc-and-ts-against-high-cholesterol-diet-induced-atherosclerosis-in-rabbits
#8
Shérrira M Garavelo, Maria de Lourdes Higuchi, Jaqueline J Pereira, Marcia M Reis, Joyce T Kawakami, Renata N Ikegami, Suely A P Palomino, Nilsa S Y Wadt, Abdelali Agouni
Previous studies showed the presence of Mycoplasma pneumoniae (M. pneumoniae) and membrane-shed microparticles (MPs) in vulnerable atherosclerotic plaques. H&S Science and Biotechnology developed PTCTS, composed by natural particles from medicinal plants (PTC) combined with trans-Sialidase (TS), to combat MPs and Mycoplasma pneumoniae. Our aim was to determine the effects of the different components of PTCTS in a rabbit model of atherosclerosis. Rabbits were fed with high cholesterol diet for 12 weeks and treated during the last 6 weeks with either vehicle, PTC, TS, or PTCTS...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337455/analysis-of-the-bacterial-communities-in-two-liquors-of-soy-sauce-aroma-as-revealed-by-high-throughput-sequencing-of-the-16s-rrna-v4-hypervariable-region
#9
Jing Tang, Xiaoxin Tang, Ming Tang, Ximin Zhang, Xiaorong Xu, Yin Yi
Chinese liquor is one of the world's oldest distilled alcoholic beverages and an important commercial fermented product in China. The Chinese liquor fermentation process has three stages: making Daqu (the starter), stacking fermentation on the ground, and liquor fermentation in pits. We investigated the bacterial diversity of Maotai and Guotai Daqu and liquor fermentation using high-throughput sequencing of the V4 hypervariable region of the 16S rRNA gene. A total of 70,297 sequences were obtained from the Daqu samples and clustered into 17 phyla...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337454/the-state-of-the-art-in-minimally-invasive-spine-surgery
#10
EDITORIAL
Tsung-Jen Huang, Ki-Tack Kim, Hiroaki Nakamura, Anthony T Yeung, Jiancheng Zeng
No abstract text is available yet for this article.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337453/mir-373-3p-targets-dkk1-to-promote-emt-induced-metastasis-via-the-wnt-%C3%AE-catenin-pathway-in-tongue-squamous-cell-carcinoma
#11
Junquan Weng, Hui Zhang, Cheng Wang, Jianfeng Liang, Guanhui Chen, Wenqing Li, Haikuo Tang, Jinsong Hou
MicroRNAs (miRNAs) regulate gene expression and at the same time mediate tumorigenesis. miR-373-3p has diverse effects in tumors, but its role in tongue squamous cell carcinoma (TSCC) remains unknown. The purpose of this study is to determine the function of miR-373-3p in the progression of TSCC. Our results brought to light that miR-373-3p is markedly upregulated in clinical TSCC tissues compared with paired adjacent normal tissues and has significant correlation with a more aggressive TSCC phenotype in patients...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337452/teratogenic-effect-of-usnic-acid-from-cladonia-substellata-vainio-during-organogenesis
#12
C R Silva, K S N Marinho, T D S Silva, D K S Ferreira, G M Aguiar, M C B Martins, K R P Santos, F C A Aguiar Júnior, N P S Santos, E C Pereira, N H Silva
Studies about toxicological potential of usnic acid are limited. This way, the vast majority of data available in the literature are related only to biological activities. This is the first study that aimed to evaluate the oral toxicity of usnic acid during the period of organogenesis. Females rats were distributed in the control groups, treated I and II, at doses of 15 and 25 mg/kg, administered by gavage during the 6° to 15° days of pregnancy. After 20 days the fetuses were removed and analyzed. A reduction in weight gain during pregnancy, increased resorption, reduction in the number of viable fetuses, and their body weight were observed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337451/in-vitro-studies-on-the-degradability-bioactivity-and-cell-differentiation-of-prp-az31b-mg-alloys-composite-scaffold
#13
Jian Zou, Zhongmin Shi, Hongwei Xu, Xiaolin Li
In recent years, more and more methods have been developed to improve the bioactivity of the biodegradable materials in bone tissue regeneration. In present study, we used rat mesenchymal stem cells (rMSCs) to evaluate the outcomes of Mg alloys (AZ31B, Magnesium, and Aluminum) and Platelet-rich plasma (PRP)/Mg alloys on rMSCs biocompatibility and osteogenic differentiation. Water absorption experiments indicated that both bare AZ31B and PRP/AZ31B were capable of absorbing large amounts of water. But the water absorption ratio for PRP/AZ31B was significantly higher than that for bare AZ31B...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337450/scalable-data-mining-algorithms-in-computational-biology-and-biomedicine
#14
EDITORIAL
Quan Zou, Dariusz Mrozek, Qin Ma, Yungang Xu
No abstract text is available yet for this article.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337449/prediction-of-radix-astragali-immunomodulatory-effect-of-cd80-expression-from-chromatograms-by-quantitative-pattern-activity-relationship
#15
Michelle Chun-Har Ng, Tsui-Yan Lau, Kei Fan, Qing-Song Xu, Josiah Poon, Simon K Poon, Mary K Lam, Foo-Tim Chau, Daniel Man-Yuen Sze
The current use of a single chemical component as the representative quality control marker of herbal food supplement is inadequate. In this CD80-Quantitative-Pattern-Activity-Relationship (QPAR) study, we built a bioactivity predictive model that can be applicable for complex mixtures. Through integrating the chemical fingerprinting profiles of the immunomodulating herb Radix Astragali (RA) extracts, and their related biological data of immunological marker CD80 expression on dendritic cells, a chemometric model using the Elastic Net Partial Least Square (EN-PLS) algorithm was established...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337448/percutaneous-transforaminal-endoscopic-lumbar-interbody-fusion-clinical-and-radiological-results-of-mean-46-month-follow-up
#16
Sang-Ho Lee, H Yener Erken, Junseok Bae
Background. Spinal fusion has been shown to be the preferred surgical option to reduce pain, recover function, and increase quality of life in the treatment of a variety of lumbar spinal disorders. The main goal of the present study is to report our clinical experience and results of percutaneous transforaminal endoscopic lumbar interbody fusion (PELIF) applications using the expandable spacer in a single institution. Methods. We performed a retrospective review of 18 patients with >12-month follow-up who had been operated on PELIF using expandable spacer from 2001 to 2007...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337447/genotypic-diversity-of-mycobacterium-tuberculosis-clinical-isolates-in-the-multiethnic-area-of-the-xinjiang-uygur-autonomous-region-in-china
#17
Jie Liu, Junlian Li, Jiao Liu, Xiuqin Zhao, Lulu Lian, Haican Liu, Bing Lu, Qin Yu, Jingrui Zhang, Yingcheng Qi, Kanglin Wan
Objectives. We studied the genetic diversity of clinical isolates from patients with tuberculosis in the multiethnic area of Xinjiang autonomous region in China. A total of 311 clinical M. tuberculosis isolates were collected in 2006 and 2011 and genotyped by two genotyping methods. All isolates were grouped into 68 distinct spoligotypes using the spoligotyping method. The Beijing family was dominant, followed by T1 and CAS. MIRU-VNTR results showed that a total of 195 different VNTR types were identified. Ten of the 15 loci were highly or moderately discriminant according to their HGDI scores, and 13 loci had good discriminatory power in non-Beijing family strains, whereas only two loci had good discriminatory power in Beijing family strains...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337446/lack-of-clinical-relevance-of-ana-and-asma-positivity-in-patients-with-liver-transplantation-without-a-history-of-autoimmune-diseases
#18
Lucienne Pellegrini, Gianpaolo Parrilli, Antonella Santonicola, Luigi Cinquanta, Cesare Caputo, Carolina Ciacci, Fabiana Zingone
The relevance of isolated autoimmunity elevation in orthotopic liver transplantation (OLT) patients is unknown. Our aim was to analyse how serum autoantibodies change in time and to evaluate their clinical relevance in OLT patients. Patients were invited to provide samples to evaluate ANA, AMA, ASMA, and LKM at the time of enrolment (T0), after 6 months (T6), and after 12 months (T12). We included 114 patients in the study (76% males, median age 62.5 years), finding isolated elevation of at least one serum antibody in up to 80% of them...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337445/rapid-chondrocyte-isolation-for-tissue-engineering-applications-the-effect-of-enzyme-concentration-and-temporal-exposure-on-the-matrix-forming-capacity-of-nasal-derived-chondrocytes
#19
Srujana Vedicherla, Conor Timothy Buckley
Laboratory based processing and expansion to yield adequate cell numbers had been the standard in Autologous Disc Chondrocyte Transplantation (ADCT), Allogeneic Juvenile Chondrocyte Implantation (NuQu®), and Matrix-Induced Autologous Chondrocyte Implantation (MACI). Optimizing cell isolation is a key challenge in terms of obtaining adequate cell numbers while maintaining a vibrant cell population capable of subsequent proliferation and matrix elaboration. However, typical cell yields from a cartilage digest are highly variable between donors and based on user competency...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337444/female-functional-constipation-is-associated-with-overactive-bladder-symptoms-and-urinary-incontinence
#20
Takahiro Maeda, Masuomi Tomita, Atsushi Nakazawa, Gen Sakai, Shinsuke Funakoshi, Akari Komatsuda, Yujiro Ito, Hirohiko Nagata, Nobuhiro Tsukada, So Nakamura
This noninterventional cross-sectional study aims to assess the association between functional constipation (FC) and urinary symptoms in female patients with no treatment for urination and defecation. The Rome III criteria for evaluation of defecation, Overactive Bladder Symptom Score (OABSS) for evaluation of urinary symptoms, and clinical features were investigated in 145 female patients. Latent FC and moderate to severe overactive bladder (OAB) were defined on the basis of positivity for two or more of the Rome III criteria and an OABSS ≥ 6 with OABSS Q3 ≥ 2, respectively...
2017: BioMed Research International
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