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Cell and Tissue Banking

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https://www.readbyqxmd.com/read/27900507/-why-throw-away-something-useful-attitudes-and-opinions-of-people-treated-for-bipolar-disorder-and-their-relatives-on-organ-and-tissue-donation
#1
Carolina S Padoan, Lucas F Garcia, Aline A Rodrigues, Lucas M Patusco, Mariana V Atz, Flavio Kapczinski, José R Goldim, Pedro V S Magalhães
In regard to mental illness, brain donation is essential for the biological investigation of central pathology. Nevertheless, little is known about the thoughts of people with mental disorders on tissue donation for research. Here, our objective was to understand the attitudes and opinions of people treated for bipolar disorder and their relatives regarding donation in general, and particularly donation for research. This is a qualitative study that used in-depth interviews to determine the thoughts of participants regarding tissue donation for research...
November 29, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27888380/kinetin-improves-motility-viability-and-antioxidative-parameters-of-ram-semen-during-storage-at-refrigerator-temperature
#2
Elham Zadeh Hashem, Mohsen Eslami
The present experiment was conducted to evaluate the effect of kinetin on ram semen quality during cold storage. Ejaculates were collected using an artificial vagina from five Qezel rams. Ejaculates which met the criteria (volume of 0.75-2 ml; minimum spermatozoa concentration of 2.5 × 109 spermatozoa/ml and forward progressive motility of 80%), were pooled, diluted with extender without kinetin (control) or enriched with 25 (K 25), 50 (K 50), 100 (K 100) and 200 (K 200) μM kinetin at a final concentration of 500 × 106 spermatozoa per mL...
November 25, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27878655/the-use-of-donor-scleral-patch-in-ophthalmic-surgery
#3
REVIEW
Christopher Hodge, Gerard Sutton, Raj Devasahayam, Pierre Georges, Jane Treloggen, Simon Cooper, Con Petsoglou
Scleral tissue has been in use in ophthalmology for many years although indications for use have varied. We retrospectively reviewed scleral transplant tissue requests over a 12 month period at a local eye bank and confirmed a small but significant demand for the use of scleral tissue. Iatrogenic surgical complications are the primary indication for use. Our understanding of the indications and outcomes of scleral graft procedures is derived from case reports and small cohort series. We reviewed the current literature on existing indications for its use and discuss the relative outcomes...
November 23, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27873029/induction-of-pluripotency-in-long-term-cryopreserved-human-neonatal-fibroblasts-in-feeder-free-condition
#4
Maria Csobonyeiova, Lubica Krajciova, Andreas Nicodemou, Stefan Polak, Lubos Danisovic
A novel approach for stem cell generation is the attempt to induce conversion of the adult somatic cells into pluripotent stem cells so called induced pluripotent stem cells (iPSCs) by introducing specific transcription factors. iPSCs have two essential cell characteristics, they are pluripotent and posses long term cell-renewal capacity. Additionally, iPSCs can be derived from patient-specific somatic cells, thus bypassing ethical and immunological issues. The aim of our study was to reprogram long-term cryopreserved human neonatal fibroblasts by new method using lipid nano-particle technology (Lipofectamine 3000 reagent transfection system) in combination with Epi 5 reprogramming vectors...
November 21, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27838813/measurements-of-donor-endothelial-keratoplasty-lenticules-prepared-from-fresh-donated-whole-eyes-by-using-ultrasound-and-optical-coherence-tomography
#5
Mozhgan Rezaei Kanavi, Farzan Nemati, Tahereh Chamani, Bahar Kheiri, Mohammad Ali Javadi
This study was conducted to analyze the profile and thickness of endothelial keratoplasty lenticules prepared from fresh donated whole eyes with Visante optical coherence tomography (V-OCT) compared to measurements obtained from ultrasound pachymetry (USP) at the Central Eye Bank of Iran. Microkeratome-assisted precut corneas were prepared for Descemet stripping automated endothelial keratoplasty by using standard eye bank protocol. Central posterior lenticule thickness (CPLT) on fresh whole eye, before excising corneoscleral disc and transferring to Optisol-GS, was measured by USP...
November 12, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27837287/status-quo-of-management-of-the-human-tissue-banks-in-taiwan
#6
REVIEW
Ching-Pang Chou, Szu-Cheng Chou, Ying-Hua Chen, Yu-Hsuan Chen, Ming-Shin Lee
As the technologies associated with transplantation and biological tissue engineering continue to advance, human cells and tissues form an integral part to the practice of regenerative medicine. The patient's use of tissues entails the risk of introducing, transmitting and spreading communicable diseases. To prevent such risk and to ensure that the human organs, tissues and cells remain intact and functional after being handled and processed, the transplanted tissues must be subject to good management standards through all stages of collection, screening, processing, storage and distribution as the safety of the users is of the utmost importance...
November 11, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27830445/tissue-engineering-for-neurodegenerative-diseases-using-human-amniotic-membrane-and-umbilical-cord
#7
Anahí Sanluis-Verdes, Namibia Sanluis-Verdes, María Jesús Manso-Revilla, Antonio Manuel Castro-Castro, Jorge Pombo-Otero, María Fraga-Mariño, Jacinto Sanchez-Ibañez, Nieves Doménech, María Esther Rendal-Vázquez
Regenerative medicine, based on the use of stem cells, scaffolds and growth factors, has the potential to be a good approach for restoring damaged tissues of the central nervous system. This study investigated the use of human amniotic mesenchymal stem cells (hAMSC), human amniotic epithelial stem cells (hAESC), and human Wharton's jelly mesenchymal stem cells (hWJMSC) derived from human umbilical cord as a source of stem cells, and the potential of the human amniotic membrane (HAM) as a scaffold and/or source of growth factors to promote nerve regeneration...
November 9, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27796524/infections-in-the-tissue-material-and-their-impact-on-the-loss-of-transplants-in-the-laboratory-of-in-vitro-cell-and-tissue-culture-with-tissue-bank-in-the-years-2011-2015
#8
D Kitala, A Klama-Baryła, M Kawecki, M Kraut, W Łabuś, J Glik, M Ples, E Tomanek, M Nowak
Radiation sterilization eliminates microbiological infections but causes the degradation of the cell factor. The negative result of microbiological examination for tissue transplants is one of the conditions for approval for distribution in patients. The study attempts to verify impact of the presence of microbes onto material for transplant loss. In the 2011-2015 period, we analyzed 293 donors of skin and amnion. Microbiological sampling was performed. The total of 21 strains of bacteria, molds and fungi was identified in collected tissue...
October 31, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27783263/hla-typing-analysis-following-allogeneic-bone-grafting-for-sinus-lifting
#9
Marcelo Piaia, Carolina Bonet Bub, Guilherme de Menezes Succi, Margareth Torres, Thiago Henrique Costa, Fabricio Costa Pinheiro, Marcelo Henrique Napimoga
According to the Brazilian Association of Organ Transplants, in 2015, 19,408 bone transplants were performed in Brazil, over 90% by Dental Surgeons. The surgical technique itself has a respectable number of reports regarding its clinical efficacy, as measured by long-term survival of dental implants in grafted areas. Uncertainty remains, however, as to whether fresh frozen grafts from human bone donors remain immunologically innocuous in the body of the host. Six male with no previous medical history of note, including systemic diseases, surgery or blood transfusion were selected...
October 25, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27770291/erratum-to-endemic-impact-of-human-t-cell-leukemia-virus-type-1-screening-in-bone-allografts
#10
Yasuhiro Ishidou, Kanehiro Matsuyama, Eiji Matsuura, Takao Setoguchi, Satoshi Nagano, Hironori Kakoi, Masataka Hirotsu, Ichiro Kawamura, Takuya Yamamoto, Setsuro Komiya
No abstract text is available yet for this article.
October 21, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27757728/reduced-rates-of-non-union-with-modified-periacetabular-osteotomy-using-peracetic-acid-sterilized-cancellous-allografts
#11
Georgi I Wassilew, Viktor Janz, Lisa Renner, Carsten Perka, Axel Pruss
The objective of the present study was to analyze the clinical and radiological results of periacetabular osteotomies (PAO) using Kirschner wire fixation and an allogeneic cancellous bone graft. This retrospective cohort study included 73 patients (85 PAOs). The allografts were processed from distal femur of cadaveric donors, defatted, sterilized with a peracetic-acid ethanol solution and freeze-dried. The clinical outcome, as measured by the Harris Hip Scores (HHS), the complication rate and the acetabular correction, as measured by radiological parameters, were compared...
October 18, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27718130/tissue-reaction-of-deproteinized-bovine-bone-matrix-grafting-in-ectopic-site-histological-study-on-sheep
#12
João Ricardo Almeida Grossi, Rodrigo Bonacin, Viviane Rozeira Crivelaro, Allan Fernando Giovanini, João César Zielak, Tatiana Miranda Deliberador
The aim of this paper was to evaluate through histological analysis of the tissue reaction of deproteinized bovine bone matrix (DBBM) when inserted into the site of intramuscular ectopic sheep. In this study, 16 sheep received 3 groups and these were divided into 2 experimental times: Group 1-sham group, Group 2-particulate autogenous bone and Group 3-DBBM granules. All animals underwent surgical procedures for insertion of materials in an ectopic site (muscles of the lower back and after 3 and 6 months postoperatively, the samples were evaluated by histological analysis...
October 7, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27677903/cytotoxicity-testing-of-a-polyurethane-nanofiber-membrane-modified-with-chitosan-%C3%AE-cyclodextrin-berberine-suitable-for-wound-dressing-application-evaluation-of-biocompatibility
#13
Monika Klempaiová, Jana Dragúňová, Peter Kabát, Mária Hnátová, Ján Koller, Dušan Bakoš
In this study we evaluated the biocompatibility of a modified polyurethane nanofiber membrane on a polypropylene spunbond substrate. This material was treated with plasma using diffuse coplanar surface barrier discharge, and subsequent modification was done by continuous spraying of a biologically active chitosan solution (CHIT) containing an inclusion complex of β-cyclodextrin (β-CD) encapsulating berberine (BRB). Biocompatibility was evaluated using several in vitro assays. Human dermal fibroblasts (HDFs) and 3T3 murine fibroblasts were used as biological models...
September 27, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27631324/allograft-selection-for-distal-femur-through-cutting-contour-registration
#14
Lei Qiu, Yu Zhang, Qing Zhang, Lihui Xu, Xiaohui Niu, Li Zhang
Allograft reconstruction is an acceptable procedure for the recovery of normal anatomy after the bone tumor resection. During the past few years, several automated methods have been proposed to select the best anatomically matching allograft from the virtual donor bone bank. The surface-based automated method uses the contralateral healthy bone to obtain the normal surface shape of the diseased bone, which could achieve good matching of the defect and the selected allograft. However, the surface-based method focuses on the matching of the whole bone so that the matching of the contact surface between the allograft and the recipient bone may not be optimal...
September 8, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27761677/tissue-recovery-practices-and-bioburden-a-systematic-review
#15
REVIEW
S Brubaker, K Lotherington, Jie Zhao, B Hamilton, G Rockl, A Duong, A Garibaldi, N Simunovic, D Alsop, D Dao, R Bessemer, O R Ayeni
For successful transplantation, allografts should be free of microorganisms that may cause harm to the allograft recipient. Before or during recovery and subsequent processing, tissues can become contaminated. Effective tissue recovery methods, such as minimizing recovery times (<24 h after death) and the number of experienced personnel performing recovery, are examples of factors that can affect the rate of tissue contamination at recovery. Additional factors, such as minimizing the time after asystole to recovery and the total time it takes to perform recovery, the type of recovery site, the efficacy of the skin prep performed immediately prior to recovery of tissue, and certain technical recovery procedures may also result in control of the rate of contamination...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27757727/analysis-of-the-effectiveness-of-sodium-hypochlorite-decontamination-of-cadaveric-human-tissues-at-retrieval
#16
Adolfo Paolin, Diletta Trojan, Antonio Carniato, Fabio Tasca, Ervino Massarin, Alessandro Tugnoli, Elisa Cogliati
Bacterial contamination of tissues retrieved from cadaveric donors is a common feature worldwide, and every tissue bank, albeit using different methods, conducts decontamination to guarantee safe tissues suitable for clinical use. The effectiveness of the methods used to eradicate pathogens differs. In order to reduce the tissue bioburden at retrieval, we have introduced a new method involving rinsing tissues in a sodium hypochlorite solution. To test its effectiveness we analyzed two comparable groups of tissues: Group A: 1881 tissues, all rinsed with isotonic saline solution after retrieval, and Group B: 1968 tissues immersed in an isotonic saline solution containing sodium hypochlorite (final concentration 0...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27677902/endemic-impact-of-human-t-cell-leukemia-virus-type-1-screening-in-bone-allografts
#17
Yasuhiro Ishidou, Kanehiro Matsuyama, Eiji Matsuura, Takao Setoguchi, Satoshi Nagano, Hironori Kakoi, Masataka Hirotsu, Ichiro Kawamura, Takuya Yamamoto, Setsuro Komiya
Allograft bone is a widely used as a convenient tool for reconstructing massive bone defects in orthopedic surgery. However, allografts are associated with the risk of viral disease transmission. One of the viruses transmitted in this manner is human T-lymphotropic virus type 1 (HTLV-1), which is found worldwide but is unevenly distributed. The southwestern parts of Japan are a highly endemic for HTLV-1. We investigated the HTLV-1 seroprevalence in candidate allograft donors at the regional bone bank in Kagoshima, Japan during its first 5 years of service...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27665294/disinfection-of-human-musculoskeletal-allografts-in-tissue-banking-a-systematic-review
#18
REVIEW
J Mohr, M Germain, M Winters, S Fraser, A Duong, A Garibaldi, N Simunovic, D Alsop, D Dao, R Bessemer, O R Ayeni
Musculoskeletal allografts are typically disinfected using antibiotics, irradiation or chemical methods but protocols vary significantly between tissue banks. It is likely that different disinfection protocols will not have the same level of microorganism kill; they may also have varying effects on the structural integrity of the tissue, which could lead to significant differences in terms of clinical outcome in recipients. Ideally, a disinfection protocol should achieve the greatest bioburden reduction with the lowest possible impact on tissue integrity...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27631323/lyophilized-allogeneic-bone-tissue-as-an-antibiotic-carrier
#19
Débora C Coraça-Huber, Christoph G Ammann, Michael Nogler, Manfred Fille, Lars Frommelt, Klaus-Dieter Kühn, Christian Fölsch
The rising number of primary joint replacements worldwide causes an increase of revision surgery of endoprostheses due bacterial infection. Revision surgery using non-cemented implants seems beneficial for the long-term outcome and the use of antibiotic-impregnated bone grafts might control the infection and give a good support for the implant. In this study we evaluated the release of antibiotics from fresh-frozen and lyophilized allogeneic bone grafts. Lyophilized bone chips and fresh frozen bone chips were mixed with gentamicin sulphate, gentamicin palmitate, vancomycin, calcium carbonate/calcium sulphate impregnated with gentamicin sulphate, and calcium carbonate/calcium sulphate bone substitute material impregnated with vancomycin...
December 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27604467/evaluation-of-new-antibiotic-cocktails-against-contaminating-bacteria-found-in-allograft-tissues
#20
Agnese Serafini, Erika Riello, Diletta Trojan, Elisa Cogliati, Giorgio Palù, Riccardo Manganelli, Adolfo Paolin
Contamination of retrieved tissues is a major problem for allograft safety. Consequently, tissue banks have implemented decontamination protocols to eliminate microorganisms from tissues. Despite the widespread adoption of these protocols, few comprehensive studies validating such methods have been published. In this manuscript we compare the bactericidal activity of different antibiotic cocktails at different temperatures against a panel of bacterial species frequently isolated in allograft tissues collected at the Treviso Tissue Bank Foundation, a reference organization of the Veneto Region in Italy that was instituted to select, recover, process, store and distribute human tissues...
December 2016: Cell and Tissue Banking
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