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BioResearch Open Access

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https://www.readbyqxmd.com/read/28736691/prevalence-and-risk-factors-of-osteoporosis-among-jordanian-postmenopausal-women-attending-the-national-center-for-diabetes-endocrinology-and-genetics-in-jordan
#1
Dana Hyassat, Taghreed Alyan, Hashem Jaddou, Kamel M Ajlouni
To assess the prevalence of osteoporosis and osteopenia among Jordanian postmenopausal women attending the National Center for Diabetes, Endocrinology, and Genetics (NCDEG), and to determine the potential associated risk factors. A cross-sectional study was conducted at (NCDEG) in Amman, Jordan. A total of 1079 Jordanian postmenopausal women aged between 45 and 84 years were included in this study that was conducted during the period between April 2013 and December 2014. All patients underwent bone mineral density measurement through dual-energy X-ray absorptiometry (DEXA) scan...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28736690/decellularization-of-human-internal-mammary-artery-biomechanical-properties-and-histopathological-evaluation
#2
Abdol-Mohammad Kajbafzadeh, Reza Khorramirouz, Seyede Maryam Kameli, Javad Hashemi, Amin Bagheri
This study undertook to create small-diameter vascular grafts and assess their structure and mechanical properties to withstand arterial implantation. Twenty samples of intact human internal mammary arteries (IMAs) were collected and decellularized using detergent-based methods. To evaluate residual cellular and extracellular matrix (ECM) components, histological analysis was performed. Moreover, collagen typing and ECM structure were analyzed by Picrosirius red and Movat's pentachrome staining. Scanning electron microscopy was also applied to assess microarchitecture of both endothelial and adventitial surfaces of native and decellularized arterial samples...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28736689/induced-pluripotent-stem-cells-global-research-trends
#3
REVIEW
Takaharu Negoro, Hanayuki Okura, Akifumi Matsuyama
The induced pluripotent stem cell (iPSC) was first described more than 10 years ago and is currently used in various basic science and clinical research fields. The aim of this report is to examine the trends in research using iPSCs over the last 10 years. The 2006-2016 PubMed database was searched using the MeSH term "induced pluripotent stem cells." Only original research articles were selected, with a total of 3323 articles. These were classified according to research theme into reprogramming, differentiation protocols for specific cells and/or tissues, pathophysiological research on diseases, and discovery of new drugs, and then the trends over the years were analyzed...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28736688/the-top-50-most-cited-articles-in-cartilage-regeneration
#4
REVIEW
Ciaran K Mc Donald, Peter Moriarty, Manvydas Varzgalis, Colin Murphy
The aim of this study was to identify and analyze the top 50 most cited articles in cartilage regeneration. The impact of a scientific journal can be gauged by the total number of citations it has accrued. The top 50 most cited articles involving cartilage regeneration represent the most quoted level of evidence among this new subspecialty. This study aims to identify and analyze the 50 most cited articles in cartilage regeneration. The Web of Science™ citation indexing service was utilized to determine the most frequently cited articles published after 1956 containing "cartilage regeneration" in the "topic" or "title...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28736687/tissue-engineered-tendon-for-enthesis-regeneration-in-a-rat-rotator-cuff-model
#5
Michael J Smietana, Pablo Moncada-Larrotiz, Ellen M Arruda, Asheesh Bedi, Lisa M Larkin
Healing of rotator cuff (RC) injuries with current suture or augmented scaffold techniques fails to regenerate the enthesis and instead forms a weaker fibrovascular scar that is prone to subsequent failure. Regeneration of the enthesis is the key to improving clinical outcomes for RC injuries. We hypothesized that the utilization of our tissue-engineered tendon to repair either an acute or a chronic full-thickness supraspinatus tear would regenerate a functional enthesis and return the biomechanics of the tendon back to that found in native tissue...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28560090/correction-to-biores-open-access-2016-5-137-145
#6
(no author information available yet)
[This corrects the article DOI: 10.1089/biores.2016.0010.].
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28560089/characterization-of-a-murine-model-of-bioequivalent-bladder-wound-healing-and-repair-following-subtotal-cystectomy
#7
Mona Zarifpour, Karl-Erik Andersson, Sneha S Kelkar, Aaron Mohs, Cathy Mendelsohn, Kerry Schneider, Frank Marini, George J Christ
Previous work demonstrated restoration of a bioequivalent bladder within 8 weeks of removing the majority of the bladder (subtotal cystectomy or STC) in rats. The goal of the present study was to extend our investigations of bladder repair to the murine model, to harness the power of mouse genetics to delineate the cellular and molecular mechanisms responsible for the observed robust bladder regrowth. Female C57 black mice underwent STC, and at 4, 8, and 12 weeks post-STC, bladder repair and function were assessed via cystometry, ex vivo pharmacologic organ bath studies, and T2-weighted magnetic resonance imaging (MRI)...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28451472/cataract-surgery-and-visual-acuity-in-elderly-japanese-results-of-fujiwara-kyo-eye-study
#8
Kimie Miyata, Tadanobu Yoshikawa, Masashi Mine, Tomo Nishi, Nozomi Okamoto, Tetsuo Ueda, Ryo Kawasaki, Norio Kurumatani, Nahoko Ogata
The aim of this study was to determine the presence of prior cataract surgery and best-corrected visual acuity (BCVA) in an elderly Japanese cohort. The Fujiwara-kyo Eye Study was a prospective, population-based, cross-sectional epidemiological study. The subjects were ≥68 years who lived in the Nara Prefecture and responded to recruitment notices. All of the subjects underwent comprehensive ophthalmological examinations, and the sociodemographic information and medical history, including prior cataract surgery, were obtained by answers to a questionnaire...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28451471/can-handgrip-strength-improve-following-body-mass-based-lower-body-exercise
#9
Yu Yaginuma, Takashi Abe, Robert S Thiebaud, Takahiro Kitamura, Masashi Kawanishi, Tetsuo Fukunaga
Knee extension strength (KES) improves following body mass-based lower body exercise training; however, it is unknown whether this type of exercise increases handgrip strength (HGS) as a result of a cross-education effect in older individuals. Our aim was to investigate the effect of a body mass-based exercise intervention on HGS and KES in older adults. At baseline, 166 subjects started a 12-week intervention program, and 160 (108 women and 52 men) subjects completed the study. A self-selected group of 37 older adults (21 women and 16 men) served as a control group...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28303211/real-time-three-dimensional-echocardiography-characterization-of-cardiac-anatomy-and-function-current-clinical-applications-and-literature-review-update
#10
REVIEW
Omar Velasco, Morgan Q Beckett, Aaron W James, Megan N Loehr, Taylor G Lewis, Tahmin Hassan, Rajesh Janardhanan
Our review of real-time three-dimensional echocardiography (RT3DE) discusses the diagnostic utility of RT3DE and provides a comparison with two-dimensional echocardiography (2DE) in clinical cardiology. A Pubmed literature search on RT3DE was performed using the following key words: transthoracic, two-dimensional, three-dimensional, real-time, and left ventricular (LV) function. Articles included perspective clinical studies and meta-analyses in the English language, and focused on the role of RT3DE in human subjects...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28289555/gender-differences-in-post-traumatic-stress
#11
Maria Grazia Modena, Daniele Pettorelli, Giulia Lauria, Elisa Giubertoni, Erminio Mauro, Valentina Martinotti
Acute stress can trigger cardiovascular events and disease. The earthquake is an "ideal" natural experiment for acute and chronic stress, with impact mainly on the cardiovascular system. On May 20th and 29th, 2012, two earthquakes of magnitude 5.9° to 6.4° on the Richter scale, hit the province of Modena and Reggio Emilia, an area of the north-center of Italy never considered at seismic risk. The purpose of our study was to assess whether there were gender-specific differences in stress-induced incidence of cardiovascular events and age of patients who arrived at the Emergency Departments (ED) of the three main teaching hospitals of the University of Modena and Reggio Emilia...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28163982/biomimetics-of-bone-implants-the-regenerative-road
#12
REVIEW
Elizabeth Brett, John Flacco, Charles Blackshear, Michael T Longaker, Derrick C Wan
The current strategies for healing bone defects are numerous and varied. At the core of each bone healing therapy is a biomimetic mechanism, which works to enhance bone growth. These range from porous scaffolds, bone mineral usage, collagen, and glycosaminoglycan substitutes to transplanted cell populations. Bone defects face a range of difficulty in their healing, given the composite of dense outer compact bone and blood-rich inner trabecular bone. As such, the tissue possesses a number of inherent characteristics, which may be clinically harnessed as promoters of bone healing...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/27965915/mixed-fibronectin-derived-peptides-conjugated-to-a-chitosan-matrix-effectively-promotes-biological-activities-through-integrins-%C3%AE-4%C3%AE-1-%C3%AE-5%C3%AE-1-%C3%AE-v%C3%AE-3-and-syndecan
#13
Kentaro Hozumi, Kyotaro Nakamura, Haruna Hori, Mari Miyagi, Rika Nagao, Keiko Takasaki, Fumihiko Katagiri, Yamato Kikkawa, Motoyoshi Nomizu
Mimicking the biological function of the extracellular matrix is an approach to developing cell adhesive biomaterials. The RGD peptide, derived from fibronectin (Fn), mainly binds to integrin αvβ3 and has been widely used as a cell adhesive peptide on various biomaterials. However, cell adhesion to Fn is thought to be mediated by several integrin subtypes and syndecans. In this study, we synthesized an RGD-containing peptide (FIB1) and four integrin α4β1-binding-related motif-containing peptides (LDV, IDAPS, KLDAPT, and PRARI) and constructed peptide-chitosan matrices...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27965914/computational-model-based-analysis-of-strategies-to-enhance-scaffold-vascularization
#14
Elif Seyma Bayrak, Banu Akar, Sami I Somo, Chenlin Lu, Nan Xiao, Eric M Brey, Ali Cinar
Stable and extensive blood vessel networks are required for cell function and survival in engineered tissues. A number of different strategies are currently being investigated to enhance biomaterial vascularization with screening primarily through extensive in vitro and in vivo experiments. In this article, we describe an agent-based model (ABM) developed to evaluate various strategies in silico, including design of optimal biomaterial structure, delivery of angiogenic factors, and application of prevascularized biomaterials...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27872794/in-silico-identification-of-potential-peptides-or-allergen-shot-candidates-against-aspergillus-fumigatus
#15
Raman Thakur, Jata Shankar
Aspergillus fumigatus is capable of causing invasive aspergillosis or acute bronchopulmonary aspergillosis, and the current situation is alarming. There are no vaccine or allergen shots available for Aspergillus-induced allergies. Thus, a novel approach in designing of an effective vaccine or allergen shot candidate against A. fumigatus is needed. Using immunoinformatics approaches from the characterized A. fumigatus allergens, we have mapped epitopic regions to predict potential peptides that elicit both Aspergillus-specific T cells and B cell immune response...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27872793/improved-methods-to-produce-tissue-engineered-skin-substitutes-suitable-for-the-permanent-closure-of-full-thickness-skin-injuries
#16
Danielle Larouche, Laurence Cantin-Warren, Maxime Desgagné, Rina Guignard, Israël Martel, Akram Ayoub, Amélie Lavoie, Robert Gauvin, François A Auger, Véronique J Moulin, Lucie Germain
There is a clinical need for skin substitutes to replace full-thickness skin loss. Our group has developed a bilayered skin substitute produced from the patient's own fibroblasts and keratinocytes referred to as Self-Assembled Skin Substitute (SASS). After cell isolation and expansion, the current time required to produce SASS is 45 days. We aimed to optimize the manufacturing process to standardize the production of SASS and to reduce production time. The new approach consisted in seeding keratinocytes on a fibroblast-derived tissue sheet before its detachment from the culture plate...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27843709/a-computational-model-of-cellular-engraftment-on-lung-scaffolds
#17
Joshua J Pothen, Vignesh Rajendran, Darcy Wagner, Daniel J Weiss, Bradford J Smith, Baoshun Ma, Jason H T Bates
The possibility that stem cells might be used to regenerate tissue is now being investigated for a variety of organs, but these investigations are still essentially exploratory and have few predictive tools available to guide experimentation. We propose, in this study, that the field of lung tissue regeneration might be better served by predictive tools that treat stem cells as agents that obey certain rules of behavior governed by both their phenotype and their environment. Sufficient knowledge of these rules of behavior would then, in principle, allow lung tissue development to be simulated computationally...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27843708/prospective-preliminary-in-vitro-investigation-of-a-magnetic-iron-oxide-nanoparticle-conjugated-with-ligand-cd80-and-vegf-antibody-as-a-targeted-drug-delivery-system-for-the-induction-of-cell-death-in-rodent-osteosarcoma-cells
#18
AnneMarie Kay Kovach, Jen M Gambino, Vina Nguyen, Zach Nelson, Taylor Szasz, Jun Liao, Lakiesha Williams, Sandra Bulla, Raj Prabhu
Target drug deliveries using nanotechnology are a novel consideration in the treatment of cancer. We present herein an in vitro mouse model for the preliminary investigation of the efficacy of an iron oxide nanoparticle complex conjugated to vascular endothelial growth factor (VEGF) antibody and ligand cluster of differentiation 80 (CD80) for the purpose of eventual translational applications in the treatment of human osteosarcoma (OSA). The 35 nm diameter iron oxide magnetic nanoparticles are functionalized with an n-hydroxysuccinimide biocompatible coating and are conjugated on the surface to proteins VEGF antibody and ligand CD80...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27843707/fresh-and-frozen-tissue-engineered-three-dimensional-bone-ligament-bone-constructs-for-sheep-anterior-cruciate-ligament-repair-following-a-2-year-implantation
#19
Vasudevan Mahalingam, Edward M Wojtys, Deneen M Wellik, Ellen M Arruda, Lisa M Larkin
Injuries to the anterior cruciate ligament (ACL) often require surgical reconstruction utilizing tendon grafts to restore knee function and stability. Some current graft options for ACL repair are associated with poor long-term outcomes. Our laboratory has fabricated tissue-engineered bone-ligament-bone (BLB) constructs that demonstrate native ligament regeneration and advancement toward native ACL mechanical properties in a sheep ACL reconstruction model. Prior work has shown that freezing BLBs as a method of preservation resulted in similar outcomes compared with fresh BLBs after 6-month implantation...
2016: BioResearch Open Access
https://www.readbyqxmd.com/read/27790385/role-of-the-microbiota-in-colorectal-cancer-updates-on-microbial-associations-and-therapeutic-implications
#20
REVIEW
Olivia I Coleman, Tiago Nunes
Genetic, environmental, and dietary factors have been found to influence the development and progression of colorectal cancer (CRC). More recently, accumulating evidence associates the intestinal microbiota with the initiation and progression of this disease. While studies have shown that individuals with CRC display alterations in gut bacterial composition, it remains somewhat unclear whether such differences drive cancer development or whether they are a response to tumorigenesis. In this review, the authors assess new evidence linking the community structure or specific bacterial factors of the intestinal microbiota to CRC development and progression, with insights into therapeutic implications...
2016: BioResearch Open Access
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