Abstract:
:Good manufacturing practices guidelines require safer and standardized cell substrates especially for those cell therapy products to treat ocular diseases where fibroblasts are used as feeder layers. However, if these are unavailable for stem cells culturing, murine fibroblasts are regularly used, raising critical issues as accidentally transplanting xenogenous graft and adversely affecting stem cell clinical trials. Moreover, human fibroblasts play a significant role in testing novel ophthalmologic drugs. Accordingly, we developed a standardized laboratory and surgical approach to isolate normal and undamaged Tenon's fibroblasts to implement the setting up of banks for both stem cells-based ocular cell therapy and in vitro drug testing. A 2-3 cm(2) undamaged Tenon's biopsy was surgically obtained from 28 patients without mutually correlated ocular diseases. Nineteen dermal biopsies were used as control. Fibroblasts were isolated with or without collagenase, cultured in autologous, fetal bovine or AB serum, tested for viability by trypan blue, vimentin expression and standardized until passage 6. Successful Tenon's fibroblasts isolation was age dependent (P = 0.001) but not sex, pathology or surgery related. A significant rate of successful cultures were obtained when biopsies were not digested by collagenase (P = 0.013). Moreover, cultures in autologous or fetal bovine serum had comparable proliferative properties (P = 0.77; P = 0.82). Through our surgical and laboratory standardized procedure, we elucidated for the first time key points of this human primary culture system, the role of the autologous serum, comparing Tenon's and dermal fibroblasts. Our protocol may be clinically useful to reduce the risk above mentioned and may be potentially more effective for ophthalmological clinical purposes.
journal_name
Cell Tissue Bankjournal_title
Cell and tissue bankingauthors
De Falco E,Scafetta G,Napoletano C,Puca R,Vingolo EM,Ragona G,Iorio O,Frati Gdoi
10.1007/s10561-012-9325-1subject
Has Abstractpub_date
2013-06-01 00:00:00pages
277-87issue
2eissn
1389-9333issn
1573-6814journal_volume
14pub_type
杂志文章abstract::The aim of the present study was to compare the effects of two freezing methods, vapor phase and very rapid freezing, with and without cryoprotectant on semen parameters in men with normal semen criteria. Cryopreservation was done on semen samples from 31 men by two methods of vapor phase freezing and very rapid freez...
journal_title:Cell and tissue banking
pub_type: 杂志文章
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journal_title:Cell and tissue banking
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journal_title:Cell and tissue banking
pub_type: 杂志文章,多中心研究
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abstract::In this study, the efficiency of the "Needle Immersed Vitrification" technique was tested on cryopreserved feline ovarian tissue. For vitrification, ovarian fragments (0.5-1.5 mm2) from each ovary were collected; the grafts were exposed to 7.5-15% ethylene glycol and 7.5-15% dimethyl sulfoxide at room temperature and ...
journal_title:Cell and tissue banking
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doi:10.1007/s10561-017-9663-0
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journal_title:Cell and tissue banking
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journal_title:Cell and tissue banking
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abstract::Mesenchymal stem cells (MSCs) are used for tissue regeneration in several pathological conditions, including autoimmune diseases. However, the optimal sources and culture requirements for these cells are still under investigation. Here, we compared mRNA expression in dermal MSCs (DMSCs) at passage (P) 3 and P5 to prov...
journal_title:Cell and tissue banking
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abstract::ISBT 128 is the global standard for the identification, labeling and information transfer of human blood, cell, tissue and organ products across international borders and disparate health care systems. The system has been designed and perfected over almost two decades to ensure accuracy, safety and efficiency for the ...
journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-010-9196-2
更新日期:2010-11-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
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journal_title:Cell and tissue banking
pub_type: 杂志文章
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-008-9078-z
更新日期:2008-09-01 00:00:00
abstract::Recovered human and animal tissues are used extensively in surgery for wound repair and reconstruction. In preparation for the validation of chemical disinfection and radiation sterilization processes, studies were performed on the development and validation of quantitative bioburden recovery methods for human bone an...
journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-010-9238-9
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abstract::Residual chemicals that are presented during tissue processing in human tissue banks can be a risk for the allograft recipient. Determine the residual concentrations of the antibiotics and detergent used in the process of human decellularized tissue-engineered heart valves stored in isotonic saline solution up to 18 m...
journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-020-09856-x
更新日期:2020-12-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-008-9071-6
更新日期:2008-12-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-010-9175-7
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-016-9567-4
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-004-1090-3
更新日期:2004-01-01 00:00:00
abstract::To vitrify human amniotic membrane specimens so that the maximum of epithelial cells survives in order to develop a procedure for the eventual vitrification of posterior corneal lamellae without using cryoprotective agents. To assess different methods of tissue sample preparation preceding vitrification. In group 1, t...
journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-013-9388-7
更新日期:2014-03-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-005-2362-2
更新日期:2006-01-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-014-9471-8
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journal_title:Cell and tissue banking
pub_type: 杂志文章
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journal_title:Cell and tissue banking
pub_type: 杂志文章
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journal_title:Cell and tissue banking
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doi:10.1007/s10561-016-9604-3
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-017-9657-y
更新日期:2018-03-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-019-09771-w
更新日期:2019-06-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章,评审
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更新日期:2006-01-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-012-9344-y
更新日期:2013-09-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-011-9275-z
更新日期:2012-08-01 00:00:00
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journal_title:Cell and tissue banking
pub_type: 杂志文章,评审
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abstract::Cellular stress to ejaculated spermatozoa such as cryopreservation is known to induce caspase-derived, apoptotic signaling. Therefore, the proenzymes and active forms of caspases 1, 3, 8 and 9 were examined by western blot technique in unfrozen and frozen human spermatozoa of infertility patients and of healthy donors...
journal_title:Cell and tissue banking
pub_type: 杂志文章
doi:10.1007/s10561-005-0276-7
更新日期:2006-01-01 00:00:00