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Supplementary collagen

Zahra Bazrafshan, George K Stylios
In this study, Acid Soluble Collagen-g-P(methyl methacrylate-co-ethyl acrylate) (CME) was synthesized to take advantage of the flexibility of the resulted branched polymer chains and the high density of their chain entanglement. The coaxial electrospinning technique was applied to study the effect of electrically and structurally varied materials on fiber formation and fiber morphology when CME and Nylon 66 were electrospun as core and shell respectively. By tailoring the electrostatic field, different fiber content was achieved...
July 11, 2018: Journal of the Mechanical Behavior of Biomedical Materials
Yu-Pei Chen, Chia-Hua Liang, Hong-Tan Wu, Hai-Yue Pang, Chuan Chen, Guey-Horng Wang, Leong-Perng Chan
Milkfish ( Chanos chanos ), which is resistant to water quality changes is the fourth largest aquaculture commodity. Abandoned wastes of fish scale and bones aggravate environmental pollution. In this study, the effect of collagen peptides isolated from milkfish scales (MSCP) by pepsin-soluble collagen method on cell viability was investigated. The antioxidant, anti-inflammatory, and DNA-protective activities of MSCP were also evaluated. Results revealed that more than 95% of viable cells were retained in human keratinocytes after addition of 100 mg/mL MSCP...
June 2018: Journal of Food Science and Technology
Suwicha Kasemsuwan, Karoon Chanachai, Tanu Pinyopummintr, Kansuda Leelalapongsathon, Kitipat Sujit, Ad Vos
(1) Background: As part of the ongoing endeavor to eliminate dog-mediated human rabies in Thailand, renewed interest has been shown in oral vaccination of dogs as a supplementary tool to increase vaccination coverage of the dog population. (2) Methods: Three different bait types were tested using a hand-out model on the campus of the Kasetsart University and the surrounding temples in Thailand during September 2017, consisting of two industrial manufactured baits (fish meal and egg-flavored) and one bait made from local material (boiled pig intestine placed in collagen casing)...
May 4, 2018: Veterinary Sciences
G Bryce, N MacBeth, K Gulabivala, Y-L Ng
AIM: To evaluate the efficacy of sonic irrigation (EndoActivator® ) using various polymer tips and power settings in a stained collagen ex vivo model. METHODOLOGY: The root canals of fifty human, straight single-rooted extracted teeth were prepared to size 40, .08 taper. The roots were split longitudinally; stained collagen applied to the canal surfaces, photographed and re-assembled. The canals were subjected to syringe without supplementary (group 1, n = 10) or with supplementary sonic (groups 2-5, n = 10) irrigation...
April 2018: International Endodontic Journal
Mirte Bosse, Lewis G Spurgin, Veronika N Laine, Ella F Cole, Josh A Firth, Phillip Gienapp, Andrew G Gosler, Keith McMahon, Jocelyn Poissant, Irene Verhagen, Martien A M Groenen, Kees van Oers, Ben C Sheldon, Marcel E Visser, Jon Slate
We used extensive data from a long-term study of great tits ( Parus major ) in the United Kingdom and Netherlands to better understand how genetic signatures of selection translate into variation in fitness and phenotypes. We found that genomic regions under differential selection contained candidate genes for bill morphology and used genetic architecture analyses to confirm that these genes, especially the collagen gene COL4A5 , explained variation in bill length. COL4A5 variation was associated with reproductive success, which, combined with spatiotemporal patterns of bill length, suggested ongoing selection for longer bills in the United Kingdom...
October 20, 2017: Science
C Wu, W Pan, C Feng, Z Su, Z Duan, Q Zheng, C Hua, C Li
The purpose of this study was to compare the efficacy of alveolar bone reconstruction for alveolar cleft patients performed with the traditional iliac graft or alternative/supplementary bone grafting materials. Electronic databases, relevant journals, and reference lists of the included studies were searched to the end of June 2016. A best-evidence synthesis was performed to draw conclusions. A total of 38 studies were included, which provided 25 pieces of evidence: seven of moderate evidence and 18 of insufficient evidence...
March 2018: International Journal of Oral and Maxillofacial Surgery
Soo-Min Ok, Seung-Min Lee, Hae Ryoun Park, Sung-Hee Jeong, Ching-Chang Ko, Yong-Il Kim
OBJECTIVES: The aim of this study was to identify a marker for temporomandibular joint (TMJ) osteoarthritis (OA) diagnosis by comparing the concentrations of urinary pyridinoline (PYD), deoxypyridinoline (DPD), and C-terminal telopeptides type I collagen (CTX-I), and CTX-II of TMJ OA patients with those of a non-symptomatic group. METHODS: PYD, DPD, CTX-I, and CTX-II concentrations in the urine of 36 non-symptomatic subjects and 31 TMJ OA subjects were analyzed...
August 7, 2017: Cranio: the Journal of Craniomandibular Practice
Yadira Chinique de Armas, Mirjana Roksandic, Dejana Nikitović, Roberto Rodríguez Suárez, David Smith, Nadine Kanik, Dailys García Jordá, William M Buhay
The general lack of well-preserved juvenile skeletal remains from Caribbean archaeological sites has, in the past, prevented evaluations of juvenile dietary changes. Canímar Abajo (Cuba), with a large number of well-preserved juvenile and adult skeletal remains, provided a unique opportunity to fully assess juvenile paleodiets from an ancient Caribbean population. Ages for the start and the end of weaning and possible food sources used for weaning were inferred by combining the results of two Bayesian probability models that help to reduce some of the uncertainties inherent to bone collagen isotope based paleodiet reconstructions...
2017: PloS One
Y Song, Y Li, S Zheng, W Dai, X Shen, Y Zhang, W Zhao, G Chang, Q Xu, G Chen
1. Highly palatable and nutritious meat products can be produced through dietary interventions. Previous studies have shown that forage feeding has a significant impact on the growth performance and nutrition of cattle in various regions, but whether the same effects can be induced in geese remains unclear. 2. Three hundred and sixty Yangzhou goslings were divided according to body weight at 29 d old, assigned to one of 4 treatments and raised in separate pens. The treatments applied were (A) grazing, (B) grazing, grain supplemental diet (64 to 70 d), (C) grazing, grain supplemental diet and (D) confined...
August 2017: British Poultry Science
Alicia Ventresca Miller, Bryan K Hanks, Margaret Judd, Andrey Epimakhov, Dmitry Razhev
OBJECTIVES: This paper investigates infant feeding practices through stable carbon (δ13 C) and nitrogen (δ15 N) isotopic analyses of human bone collagen from Kamennyi Ambar 5, a Middle Bronze Age cemetery located in central Eurasia. The results presented are unique for the time period and region, as few cemeteries have been excavated to reveal a demographic cross-section of the population. Studies of weaning among pastoral societies are infrequent and this research adds to our knowledge of the timing, potential supplementary foods, and cessation of breastfeeding practices...
March 2017: American Journal of Physical Anthropology
L Marais, P Boutouyrie, H Khettab, C Boulanger, A Lorthiroir, M Frank, R Niarra, J Renard, Y Chambon, X Jeunemaitre, M Zidi, P-F Plouin, S Laurent, M Azizi
OBJECTIVE: Fibromuscular dysplasia (FMD) is a non-atherosclerotic non-inflammatory arterial disease, which occurs mostly in middle-aged women and affects medium-sized arteries. We previously showed abnormalities within common carotid artery (CCA) wall, with the presence of triple signal (TS) at ultrasound suggesting the presence of supplementary layers. We aimed at coupling TS presence with microconstituents of the vessel wall, derived from fitting of the pressure-diameter curve. DESIGN AND METHOD: We included 50 non-smoking patients with multifocal FMD, 50 essential hypertensive (EH) patients and 50 healthy subjects (HS) matched for age, sex, ethnicity and BP (EH and FD)...
September 2016: Journal of Hypertension
Changshu Ke 柯昌庶, Qiuhong Duan 段秋红, Hui Yang, Feng Zhu, Meng Yan, San-Peng Xu, Sheng Zhou, Feng Wan, Kai Shu, Ting Lei, Li-Ming Xia
Meningeal Ewing Sarcoma (ES)/peripheral primitive neuroectodermal tumor (pPNET) is a rare diagnostically challenging small round cell tumor in the CNS. This study investigates the clinical pathological features of four cases of this tumor from archives of 6 years in our hospital. Patients were within the median age of 21.5 years and male to female ratio was 1:1. The tumors distributed at the supra-tentorial location, posterior fossa and lumbar vertebral canal, usually presenting as the dura-sited nodule or having close connection with the meninges within the cranium or vertebral canal...
February 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
Vera Michel, Yonggang Duan, Elke Stoschek, Sudhanshu Bhushan, Ralf Middendorff, Julia M Young, Kate L Loveland, David M De Kretser, Mark P Hedger, Andreas Meinhardt
Despite antibiotic treatment, up to 40% of patients have impaired fertility after epididymitis due to serovars of Escherichia coli, a frequent pathogen. The reasons for infertility are unclear, but it may result from epididymal duct obstruction. To determine whether E. coli infection of the epididymis causes obstruction due to fibrosis, and to identify the key mediators, tissues from patients with epididymitis were assessed. Additionally, epididymitis was induced with uropathogenic E. coli (UPEC) or commensal serovars in wild-type and MyD88(-/-) mice, which are relatively unresponsive to bacterial pathogens...
September 2016: Journal of Pathology
Russell Dibb, Luke Xie, Hongjiang Wei, Chunlei Liu
Magnetic-susceptibility-based MRI has made important contributions to the characterization of tissue microstructure, chemical composition, and organ function. This has motivated a number of studies to explore the link between microstructure and susceptibility in organs and tissues throughout the body, including the kidney, heart, and connective tissue. These organs and tissues have anisotropic magnetic susceptibility properties and cellular organizations that are distinct from the lipid organization of myelin in the brain...
April 2017: NMR in Biomedicine
Anne-Marie Kanstrup Fiehn, Martin Kristensson, Ulla Engel, Lars Kristian Munck, Susanne Holck, Peter Johan Heiberg Engel
PURPOSE: The aim of this study was to develop an automated image analysis software to measure the thickness of the subepithelial collagenous band in colon biopsies with collagenous colitis (CC) and incomplete CC (CCi). The software measures the thickness of the collagenous band on microscopic slides stained with Van Gieson (VG). PATIENTS AND METHODS: A training set consisting of ten biopsies diagnosed as CC, CCi, and normal colon mucosa was used to develop the automated image analysis (VG app) to match the assessment by a pathologist...
2016: Clinical and Experimental Gastroenterology
Moritz Förderer, Tihomir Georgiev, Matias Mosqueira, Rainer H A Fink, Martin Vogel
Second harmonic generation (SHG) microscopy is a powerful tool for label free ex vivo or in vivo imaging, widely used to investigate structure and organization of endogenous SHG emitting proteins such as myosin or collagen. Polarization resolved SHG microscopy renders supplementary information and is used to probe different molecular states. This development towards functional SHG microscopy is calling for new methods for high speed functional imaging of dynamic processes. In this work we present two approaches with linear polarized light and demonstrate high speed line scan measurements of the molecular dynamics of the motor protein myosin with a time resolution of 1 ms in mammalian muscle cells...
February 1, 2016: Biomedical Optics Express
Swamy Jagadish, Narasimhamurthy Rajeev, Somanathapura K NaveenKumar, Kothanahally S Sharath Kumar, Manoj Paul, Mahesh Hegde, Basappa, Marilinganadoddi P Sadashiva, Kesturu S Girish, Kanchugarakoppal S Rangappa
Thrombocytopenia is a major hematological concern in oxidative stress-associated pathologies and chronic clinical disorders, where premature platelet destruction severely affects the normal functioning of thrombosis and hemostasis. In addition, frequent exposure of platelets to chemical entities and therapeutic drugs immensely contributes in the development of thrombocytopenia leading to huge platelet loss, which might be fatal sometimes. Till date, there are only few platelet protective molecules known to combat thrombocytopenia...
March 2016: Molecular and Cellular Biochemistry
Anne-Marie Kanstrup Fiehn, Ulla Engel, Susanne Holck, Lars Kristian Munck, Peter Johan Heiberg Engel
Microscopic colitis (MC) is a common cause of chronic watery diarrhea. Traditionally, MC encompasses the 2 subgroups lymphocytic colitis (LC) and collagenous colitis, but recently, an additional subgroup, MC incomplete, has been introduced. Distinguishing between the subgroups relies exclusively on histopathologic evaluation. In the present study, 4 pathologists evaluated 156 archived biopsies originally diagnosed as LC or LC incomplete (LCi). Each pathologist assigned a diagnosis of LC, LCi, or nonspecific inflammation to all cases at 2 independent assessments...
February 2016: Human Pathology
Wei Wang, Su-ping Liao, Lei Wei
OBJECTIVE: To study the clinical efficacy of supplementary treatment of tukang Capsules to the elder patients with fracture of the distal radius. METHODS: A total of 108 elder patients with fracture of the distal radius diagnosed by X-ray,who visited orthopedics department of Pu' ai Hospital in January 2012 - December 2013, were randomly divided into observation group and control group. Cases in both groups received the operation of internal fixation by T-type plate...
January 2015: Zhong Yao Cai, Zhongyaocai, Journal of Chinese Medicinal Materials
J Ni, D Yang, L Song, C Li
BACKGROUND AND OBJECTIVE: Paeoniflorin is the main active ingredient in Radix Paeoniae and has been reported to exhibit obvious anti-inflammatory and immune-regulatory activities. This study aimed to investigate the protective effects of paeoniflorin on alveolar bone destruction and soft-tissue breakdown in experimental periodontitis. As supplementary evidence, we evaluated the related expression of MMP-2, MMP-9, inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). MATERIAL AND METHODS: Twenty-eight rats were randomly placed into the following four groups: healthy group; periodontitis group; periodontitis plus 30 mg/kg of paeoniflorin (P30) group; and periodontitis plus 60 mg/kg of paeoniflorin (P60) group...
April 2016: Journal of Periodontal Research
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