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Journal of Biomedicine & Biotechnology

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https://www.readbyqxmd.com/read/23258958/the-effect-of-glycyrrhetinic-acid-on-pharmacokinetics-of-cortisone-and-its-metabolite-cortisol-in-rats
#1
Dan Lin, Wei Sun, Zhe Wang, Lian-Guo Chen, Xiao-Le Chen, Shuang-Hu Wang, Wan-Shu Li, Ren-Shan Ge, Guo-Xin Hu
The purpose of this paper is to study pharmacokinetics of cortisone (E) and its metabolite cortisol (F) in rats after administration of glycyrrhetinic acid (GA) and cortisone. Healthy male SD rats were randomized to be given 20 mg/kg E or E combined with 10 mg/kg GA. Blood samples were collected at 5, 10, 20, 40, 60, 90, 120, 150, 180, and 240 min after administration. The serum concentrations of E and F were determined by HLPC and pharmacokinetic parameters were calculated using DASver2.0 software. The parameters of AUC((0-t)), AUC((0-∞)), and C(max) for E in the group of E + GA were significantly higher than those in the group of E (P < 0...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23258957/insights-and-hopes-in-umbilical-cord-blood-stem-cell-transplantations
#2
REVIEW
Somayeh Shahrokhi, Farid Menaa, Kamran Alimoghaddam, Colin McGuckin, Massoumeh Ebtekar
Over 20.000 umblical cord blood transplantations (UCBT) have been carried out around the world. Indeed, UCBT represents an attractive source of donor hematopoietic stem cells (HSCs) and, offer interesting features (e.g., lower graft-versus-host disease) compared to bone marrow transplantation (BMT). Thereby, UCBT often represents the unique curative option against several blood diseases. Recent advances in the field of UCBT, consisted to develop strategies to expand umbilical stem cells and shorter the timing of their engraftment, subsequently enhancing their availability for enhanced efficacy of transplantation into indicated patients with malignant diseases (e...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23258956/three-dimensional-visualization-with-large-data-sets-a-simulation-of-spreading-cortical-depression-in-human-brain
#3
Korhan Levent Ertürk, Gökhan Şengül
We developed 3D simulation software of human organs/tissues; we developed a database to store the related data, a data management system to manage the created data, and a metadata system for the management of data. This approach provides two benefits: first of all the developed system does not require to keep the patient's/subject's medical images on the system, providing less memory usage. Besides the system also provides 3D simulation and modification options, which will help clinicians to use necessary tools for visualization and modification operations...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251086/bioconversion-of-sugarcane-biomass-into-ethanol-an-overview-about-composition-pretreatment-methods-detoxification-of-hydrolysates-enzymatic-saccharification-and-ethanol-fermentation
#4
REVIEW
Larissa Canilha, Anuj Kumar Chandel, Thais Suzane dos Santos Milessi, Felipe Antônio Fernandes Antunes, Wagner Luiz da Costa Freitas, Maria das Graças Almeida Felipe, Silvio Silvério da Silva
Depleted supplies of fossil fuel, regular price hikes of gasoline, and environmental damage have necessitated the search for economic and eco-benign alternative of gasoline. Ethanol is produced from food/feed-based substrates (grains, sugars, and molasses), and its application as an energy source does not seem fit for long term due to the increasing fuel, food, feed, and other needs. These concerns have enforced to explore the alternative means of cost competitive and sustainable supply of biofuel. Sugarcane residues, sugarcane bagasse (SB), and straw (SS) could be the ideal feedstock for the second-generation (2G) ethanol production...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251085/trends-in-tissue-engineering-for-blood-vessels
#5
REVIEW
Judee Grace Nemeno-Guanzon, Soojung Lee, Johan Robert Berg, Yong Hwa Jo, Jee Eun Yeo, Bo Mi Nam, Yong-Gon Koh, Jeong Ik Lee
Over the years, cardiovascular diseases continue to increase and affect not only human health but also the economic stability worldwide. The advancement in tissue engineering is contributing a lot in dealing with this immediate need of alleviating human health. Blood vessel diseases are considered as major cardiovascular health problems. Although blood vessel transplantation is the most convenient treatment, it has been delimited due to scarcity of donors and the patient's conditions. However, tissue-engineered blood vessels are promising alternatives as mode of treatment for blood vessel defects...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251084/salinomycin-as-a-drug-for-targeting-human-cancer-stem-cells
#6
REVIEW
Cord Naujokat, Roman Steinhart
Cancer stem cells (CSCs) represent a subpopulation of tumor cells that possess self-renewal and tumor initiation capacity and the ability to give rise to the heterogenous lineages of malignant cells that comprise a tumor. CSCs possess multiple intrinsic mechanisms of resistance to chemotherapeutic drugs, novel tumor-targeted drugs, and radiation therapy, allowing them to survive standard cancer therapies and to initiate tumor recurrence and metastasis. Various molecular complexes and pathways that confer resistance and survival of CSCs, including expression of ATP-binding cassette (ABC) drug transporters, activation of the Wnt/β-catenin, Hedgehog, Notch and PI3K/Akt/mTOR signaling pathways, and acquisition of epithelial-mesenchymal transition (EMT), have been identified recently...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251083/fermentative-production-of-value-added-products-from-lignocellulosic-biomass
#7
EDITORIAL
Silvio S da Silva, Anuj K Chandel, S Ranil Wickramasinghe, José M G Domínguez
No abstract text is available yet for this article.
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251082/administration-of-bone-marrow-derived-mesenchymal-stem-cells-into-the-liver-potential-to-rescue-pseudoxanthoma-elasticum-in-a-mouse-model-abcc6
#8
Qiujie Jiang, Shunsuke Takahagi, Jouni Uitto
Pseudoxanthoma elasticum (PXE) is a heritable ectopic mineralization disorder caused by loss-of-function mutations in the ABCC6 gene which is primarily expressed in the liver. There is currently no effective treatment for PXE. In this study, we characterized bone marrow derived mesenchymal stem cells (MSCs) and evaluated their ability to contribute to liver regeneration, with the aim to rescue PXE phenotype. The MSCs, isolated from GFP-transgenic mice by magnetic cell sorting, were shown to have high potential for hepatic differentiation, with expression of Abcc6, in culture...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251081/development-of-new-technologies-for-stem-cell-research
#9
REVIEW
Xibo Ma, Qian Zhang, Xin Yang, Jie Tian
Since the 1960s, the stem cells have been extensively studied including embryonic stem cells, neural stem cells, bone marrow hematopoietic stem cells, and mesenchymal stem cells. In the recent years, several stem cells have been initially used in the treatment of diseases, such as in bone marrow transplant. At the same time, isolation and culture experimental technologies for stem cell research have been widely developed in recent years. In addition, molecular imaging technologies including optical molecular imaging, positron emission tomography, single-photon emission computed tomography, and computed tomography have been developed rapidly in recent the 10 years and have also been used in the research on disease mechanism and evaluation of treatment of disease related with stem cells...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251079/de-novo-kidney-regeneration-with-stem-cells
#10
REVIEW
Shinya Yokote, Shuichiro Yamanaka, Takashi Yokoo
Recent studies have reported on techniques to mobilize and activate endogenous stem-cells in injured kidneys or to introduce exogenous stem cells for tissue repair. Despite many recent advantages in renal regenerative therapy, chronic kidney disease (CKD) remains a major cause of morbidity and mortality and the number of CKD patients has been increasing. When the sophisticated structure of the kidneys is totally disrupted by end stage renal disease (ESRD), traditional stem cell-based therapy is unable to completely regenerate the damaged tissue...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251078/loop-mediated-isothermal-amplification-for-detection-of-staphylococcus-aureus-in-dairy-cow-suffering-from-mastitis
#11
Zhang Tie, Wang Chunguang, Wei Xiaoyuan, Zhao Xinghua, Zhong Xiuhui
To develop a rapid detection method of Staphylococcus aureus using loop-mediated isothermal amplification (LAMP), four specific primers were designed according to six distinct sequences of the nuc gene. In addition, the specificity and sensitivity of LAMP were verified and compared with those of PCR. Results showed that the LAMP reaction was completed within 45 min at 62.5°C, and ladder bands were appeared in LAMP products analyzed by gel electrophoresis. After adding 1x SYBR Green l, the positive reaction tube showed green color and the negative reaction tube remained orange, indicating that the LAMP has high specificity...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251077/conditioned-medium-from-adipose-tissue-derived-mesenchymal-stem-cells-induces-cd4-foxp3-cells-and-increases-il-10-secretion
#12
Ekaterina Ivanova-Todorova, Ivan Bochev, Rumen Dimitrov, Kalina Belemezova, Milena Mourdjeva, Stanimir Kyurkchiev, Plamen Kinov, Iskra Altankova, Dobroslav Kyurkchiev
Mesenchymal stem cells (MSCs) are a new and promising tool for therapy of autoimmune disorders. In recent years their possibility to take part in the modulation of the immune response is discussed. The exact mechanisms for immunoregulation realized by MSCs are not clear yet, but interactions with other immunoregulatory cells may be involved in this process. The investigation of the influence of MSCs on the expression of FoxP3 and cytokine secretion by T helper cells was the aim of this study. T helper cells were isolated from PBMCs by magnetic separation and MSCs were isolated from human adipose tissue, and CD4⁺ T cells were cultured with conditional medium of MSCs...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251076/nk-cells-in-healthy-aging-and-age-associated-diseases
#13
REVIEW
Xavier Camous, Alejandra Pera, Rafael Solana, Anis Larbi
NK cells exhibit the highest cytotoxic capacity within the immune system. Alteration of their number or functionality may have a deep impact on overall immunity. This is of particular relevance in aging where the elderly population becomes more susceptible to infection, cancer, autoimmune diseases, and neurodegenerative diseases amongst others. As the fraction of elderly increases worldwide, it becomes urgent to better understand the aging of the immune system to prevent and cure the elderly population. For this, a better understanding of the function and phenotype of the different immune cells and their subsets is necessary...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23251075/the-promising-future-of-chia-salvia-hispanica-l
#14
REVIEW
Norlaily Mohd Ali, Swee Keong Yeap, Wan Yong Ho, Boon Kee Beh, Sheau Wei Tan, Soon Guan Tan
With increasing public health awareness worldwide, demand for functional food with multiple health benefits has also increased. The use of medicinal food from folk medicine to prevent diseases such as diabetes, obesity, and cardiovascular problems is now gaining momentum among the public. Seed from Salvia hispanica L. or more commonly known as chia is a traditional food in central and southern America. Currently, it is widely consumed for various health benefits especially in maintaining healthy serum lipid level...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226946/increased-expression-of-microrna-17-predicts-poor-prognosis-in-human-glioma
#15
Shengkui Lu, Shuai Wang, Shaomei Geng, Shucheng Ma, Zhaohui Liang, Baohua Jiao
AIM: To investigate the clinical significance of microRNA-17 (miR-17) expression in human gliomas. METHODS: Quantitative real-time polymerase chain reaction (qRT-PCR) analysis was used to characterize the expression patterns of miR-17 in 108 glioma and 20 normal brain tissues. The associations of miR-17 expression with clinicopathological factors and prognosis of glioma patients were also statistically analyzed. RESULTS: Compared with normal brain tissues, miR-17 expression was significantly higher in glioma tissues (P < 0...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226945/toward-personalized-cell-therapies-by-using-stem-cells-seven-relevant-topics-for-safety-and-success-in-stem-cell-therapy
#16
REVIEW
Fernando de Sá Silva, Paula Nascimento Almeida, João Vitor Paes Rettore, Claudinéia Pereira Maranduba, Camila Maurmann de Souza, Gustavo Torres de Souza, Rafaella de Souza Salomão Zanette, Sueli Patricia Harumi Miyagi, Marcelo de Oliveira Santos, Márcia Martins Marques, Carlos Magno da Costa Maranduba
Stem cells, both embryonic and adult, due to the potential for application in tissue regeneration have been the target of interest to the world scientific community. In fact, stem cells can be considered revolutionary in the field of medicine, especially in the treatment of a wide range of human diseases. However, caution is needed in the clinical application of such cells and this is an issue that demands more studies. This paper will discuss some controversial issues of importance for achieving cell therapy safety and success...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226944/expression-and-cellular-distribution-of-inha-and-inhb-before-and-after-in-vitro-cultivation-of-porcine-oocytes-isolated-from-follicles-of-different-size
#17
Bartosz Kempisty, Marta Jackowska, Magdalena Woźna, Paweł Antosik, Hanna Piotrowska, Piotr Zawierucha, Dorota Bukowska, Jędrzej M Jaśkowski, Michał Nowicki, Klaus P Brüssow
Cumulus-oocyte-complexes (COCs) were collected from small (<3 mm), medium (3-5 mm), and large (>5 mm) porcine follicles, and the INHA and INHB expression and cellular localization were studied. Developmentally competent (BCB+) COCs were cultured for 44 h. Samples of mRNA were isolated before and after in vitro maturation (IVM) from oocytes collected from follicles of different size for RQ-PCR assay. The INHA and INHB protein distribution within the oocytes was observed by confocal microscopy. INHA mRNA expression was increased in oocytes from large compared to medium and small follicles before IVM (P < 0...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226943/genistein-attenuates-vascular-endothelial-impairment-in-ovariectomized-hyperhomocysteinemic-rats
#18
Panpan Zhen, Qian Zhao, Dandan Hou, Teng Liu, Dongqiao Jiang, Jinhong Duan, Lingqiao Lu, Wen Wang
Hyperhomocysteinemia (HHcy) is a well-known independent risk factor for vascular diseases in the general population. This study was to explore the effect of genistein (GST), a natural bioactive compound derived from legumes, on HHcy-induced vascular endothelial impairment in ovariectomized rats in vivo. Thirty-two adult female Wistar rats were assigned randomly into four groups (n = 8): (a) Con: control; (b) Met: 2.5% methionine diet; (c) OVX + Met: ovariectomy + 2.5% methionine diet; (d) OVX + Met + GST: ovariectomy + 2...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226942/natural-killer-cell-regulation-by-micrornas-in-health-and-disease
#19
REVIEW
Jeffrey W Leong, Ryan P Sullivan, Todd A Fehniger
Natural killer (NK) cells are innate immune lymphocytes that are critical for normal host defense against infections and mediate antitumor immune responses. MicroRNAs (miRNAs) are a family of small, noncoding RNAs that posttranscriptionally regulate the majority of cellular processes and pathways. Our understanding of how miRNAs regulate NK cells biology is limited, but recent studies have provided novel insight into their expression by NK cells, and how they contribute to the regulation of NK cell development, maturation, survival, and effector function...
2012: Journal of Biomedicine & Biotechnology
https://www.readbyqxmd.com/read/23226941/bone-morphogenetic-proteins-in-craniofacial-surgery-current-techniques-clinical-experiences-and-the-future-of-personalized-stem-cell-therapy
#20
REVIEW
Kristofer E Chenard, Chad M Teven, Tong-Chuan He, Russell R Reid
Critical-size osseous defects cannot heal without surgical intervention and can pose a significant challenge to craniofacial reconstruction. Autologous bone grafting is the gold standard for repair but is limited by a donor site morbidity and a potentially inadequate supply of autologous bone. Alternatives to autologous bone grafting include the use of alloplastic and allogenic materials, mesenchymal stem cells, and bone morphogenetic proteins. Bone morphogenetic proteins (BMPs) are essential mediators of bone formation involved in the regulation of differentiation of osteoprogenitor cells into osteoblasts...
2012: Journal of Biomedicine & Biotechnology
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