Abstract:
:Age-related macular degeneration (AMD) is a leading cause of legal blindness in individuals over 60 years of age, characterized by the dysfunction of retinal pigmented epithelium cells, specifically in the macular area. Despite several treatment options, AMD therapy remains difficult, especially for exudative AMD. Multipotent mesenchymal stem cells (MSCs), with great plasticity and immunomodulant properties, are a promising cell source for cellular therapy and tissue engineering. We evaluated the effects of steroid drugs, often used to treat AMD, in association with MSCs, in view of a possible application together to treat AMD. Morphology, viability, growth kinetics, and immunophenotype were evaluated on healthy donors' MSCs, treated with triamcinolone acetonide, alcohol-free triamcinolone acetonide, micronized intravitreal triamcinolone and dexamethasone at different concentrations, and in a human retinal pigment epithelial cell line supernatant (ARPE-19). The morphological analysis of MSCs in their standard medium showed a negative correlation with drug concentrations, due to the numerous crystals. Dexamethasone was the least toxic corticosteroid used in this study. ARPE-19 seemed to help cells preserve the typical MSC morphology. In conclusion, this in vitro study demonstrated that high doses of corticosteroid drugs have a negative effect on MSCs, reduced in the presence of a conditioned media.
journal_name
Stem Cells Intjournal_title
Stem cells internationalauthors
Nuzzi R,Gunetti M,Rustichelli D,Roagna B,Fronticelli Bardelli F,Fagioli F,Ferrero Idoi
10.1155/2012/946090subject
Has Abstractpub_date
2012-01-01 00:00:00pages
946090eissn
1687-966Xissn
1687-9678journal_volume
2012pub_type
杂志文章abstract::Organoid is a cell organization grown in a three-dimensional (3D) culture system which represents all characteristics of its origin. However, this organ-like structure requires supporting matrix to maintain its characteristics and functions. Matrigel, derived from mouse sarcoma, has often been used as the supporting m...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2019/8472712
更新日期:2019-06-13 00:00:00
abstract::Mesenchymal stem/stromal cells (MSCs) are known to be useful for treating local bone diseases. However, it is not known if MSCs are effective for treating systemic bone diseases, as the risk for mortality following intravenous MSC administration has hindered research progress. In this study, we compared the safety and...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2019/4214281
更新日期:2019-11-12 00:00:00
abstract:Purpose:To investigate the efficacy of recombinant human collagen type I (RHC I) and collagen-like peptide (CLP) hydrogels as alternative carrier substrates for the cultivation of limbal epithelial stem cells (LESC) under xeno-free culture conditions. Methods:Human LESC were cultivated on seven different collagen-deri...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2019/7867613
更新日期:2019-04-01 00:00:00
abstract::Ischemic heart disease affects a majority of people, especially elderly patients. Recent studies have utilized autologous adult stem/progenitor cells as a treatment option to heal cardiac tissue after myocardial infarction. However, donor cells from aging patients are more likely to be in a senescent stage. Rejuvenati...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2018/9308301
更新日期:2018-03-29 00:00:00
abstract::During embryonic development pluripotency is progressively lost irreversibly by cell division, differentiation, migration and organ formation. Terminally differentiated cells do not generate other kinds of cells. Pluripotent stem cells are a great source of varying cell types that are used for tissue regeneration or r...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.4061/2011/619583
更新日期:2011-01-01 00:00:00
abstract::Mesenchymal stem cells (MSCs) derived from bone marrow can secrete cytokines and growth factors and can transdifferentiate into liver cells. We transplanted polymeric membrane bioencapsulated MSCs into the spleens of 90% partial hepatectomized rats. This resulted in 91.6% recovery rates. This is compared to a recovery...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2012/697094
更新日期:2012-01-01 00:00:00
abstract::Stem cells are a promising cell source for regenerative medicine. Stem cell differentiation must be regulated for applications in regenerative medicine. Stem cells are surrounded by extracellular matrix (ECM) in vivo. The ECM is composed of many types of proteins and glycosaminoglycans that assemble into a complex str...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2016/6397820
更新日期:2016-01-01 00:00:00
abstract::Fibrosis of the skin and of internal organs, autoimmunity, and vascular inflammation are hallmarks of Systemic Sclerosis (SSc). The injury and activation of endothelial cells, with hyperplasia of the intima and eventual obliteration of the vascular lumen, are early features of SSc. Reduced capillary blood flow coupled...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2016/4636859
更新日期:2016-01-01 00:00:00
abstract:Materials and Methods:Ischemic brain injury was induced by dMCAO in Sprague-Dawley rats. The transplantation group received MSC infusion 1 h after dMCAO. Expression of IGF-1 in GFAP+ astrocytes, Iba-1+ microglia/macrophages, CD3+ lymphocytes, Ly6C+ monocytes/macrophages, and neutrophil elastase (NE)+ neutrophils was ex...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2020/8853444
更新日期:2020-09-01 00:00:00
abstract::Bone marrow stromal cells (BMSCs) may differentiate into nerve cells under a certain condition; however, the clinical application for treating nervous system disease remains unclear. The aim is to assess the safety profile, feasibility, and effectiveness of surgery combined with autologous BMSCs transplantation for tr...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2015/318269
更新日期:2015-01-01 00:00:00
abstract:Purpose:To determine the effect of the isolation technique and location upon the phenotype of human corneal stroma-derived cells (CSCs). Methods:CSCs were isolated from the corneal stroma center and periphery using the explant or enzymatic digestion technique. The native tissue was stained for functional markers, whil...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2017/9275248
更新日期:2017-01-01 00:00:00
abstract::Designing and providing a scaffold are very important for the cells in tissue engineering. Polybutylene succinate (PBS) has high potential as a scaffold for bone regeneration due to its capacity in cell proliferation and differentiation. Also, stem cells from 3rd molar tooth germs were favoured in this study due to th...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2016/8792191
更新日期:2016-01-01 00:00:00
abstract:Background:To reduce morbidity to cleft patients, new approaches have been developed and here, we report for the first time the use of deciduous dental pulp stem cells (DDPSC) associated with a hydroxyapatite-collagen sponge (Bio-Oss Collagen® 250 mg, Geistlich) for closing alveolar defects during secondary dental erup...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2020/6234167
更新日期:2020-03-12 00:00:00
abstract:Background:Aging is a major risk factor for cardiovascular disease. Cysteine protease cathepsin K (CatK) has been implicated in the process of angiogenesis, but the exact roles of individual CatK in vessel formation during aging are poorly understood. Methods and Results:To study the putative role of CatK in ischemia-...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2020/6938620
更新日期:2020-06-30 00:00:00
abstract::A stably established population of mouse bone marrow stromal cells (BMSCs) with self-renewal and multilineage differentiation potential was expanded in vitro for more than 50 passages. These cells express high levels of mesenchymal stem cell markers and can be differentiated into adipogenic, chondrogenic, and osteogen...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2020/8857057
更新日期:2020-12-24 00:00:00
abstract::Mesenchymal stem cells (MSCs) are one of the main stem cells that have been used for advanced therapies and regenerative medicine. To carry out the translational clinical application of MSCs, their manufacturing and administration in human must be controlled; therefore they should be considered as medicine: stem cell-...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2016/9783408
更新日期:2016-01-01 00:00:00
abstract::Here, we aimed to answer important and fundamental questions in germ cell biology with special focus on the age of the male donor cells and the possibility to generate embryonic stem cell- (ESC-) like cells. While it is believed that spermatogonial stem cells (SSCs) and truly pluripotent ESC-like cells can be isolated...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2016/8216312
更新日期:2016-01-01 00:00:00
abstract::Tumor microenvironment has been implicated in tumor development and progression. As a three-dimensional tumor microenvironment model, air liquid interface (ALI) organoid culture from oncogene transgenic mouse gastrointestinal tissues was recently produced. However, ALI organoid culture system from tissues of colorecta...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2016/7053872
更新日期:2016-01-01 00:00:00
abstract::Tissue regeneration using human adipose derived mesenchymal stem cells (hASCs) has significant potential as a novel treatment for many degenerative bone and joint diseases. Previous studies have established that age negatively affects the proliferation status and the osteogenic and chondrogenic differentiation potenti...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2016/2152435
更新日期:2016-01-01 00:00:00
abstract::There are remarkable similarities in the description of cancer stem cells (CSCs) and cancer cells with mesenchymal phenotype. Both cell types are highly tumorigenic, resistant against common anticancer treatment, and thought to cause metastatic growth. Moreover, cancer cells are able to switch between CSC and non-CSC ...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2018/4516454
更新日期:2018-10-10 00:00:00
abstract::The quality of life of patients with chronic wounds can be extremely poor and, therefore, over the past decades, great efforts have been made to develop efficient strategies to improve the healing process and the social impact associated with these conditions. Cell based therapy, as a modern tissue engineering strateg...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2015/195096
更新日期:2015-01-01 00:00:00
abstract::Cord blood transplantation (CBT) is an attractive alternative therapy in adult patients with advanced hematological malignancies in whom matched donors are unavailable. However, the risk of complications, especially infections, post-CBT increases the mortality rates in these patients. Although the incidence of acute a...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.4061/2011/607569
更新日期:2011-01-01 00:00:00
abstract:Objective:Special hypoxic and hypertonic microenvironment in intervertebral discs (IVDs) decreases the treatment effect of cell transplantation. We investigated the hypothesis that hypoxic preconditioning (HP) could improve the therapeutic effect of bone mesenchymal stem cells (BMSCs) to IVD degeneration. Methods:BMSC...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2018/7564159
更新日期:2018-02-14 00:00:00
abstract::Delayed administration of kallikrein after cerebral infarction can improve neurological function. However, the appropriate kallkrein treatment time after ischemic stroke has not been illuminated. In this study, we compared the long-term outcome among three kallikrein therapeutic regimens starting at different time poi...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2018/1706982
更新日期:2018-04-05 00:00:00
abstract::The use of stem cells as a strategy for tissue repair and regeneration is one of the biomedical research areas that has attracted more interest in the past few years. Despite the classic belief that the central nervous system (CNS) was immutable, now it is well known that cell turnover occurs in the mature CNS. Postna...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2012/804717
更新日期:2012-01-01 00:00:00
abstract::Left ventricular hypertrophy (LVH) is a strong predictor of adverse cardiovascular outcomes. It is the result of complex mechanisms that include not only an increase in protein synthesis and cell size but also proliferating cardiac progenitor cells and the influx of bone marrow-derived cells developing into cardiomyoc...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2016/5720758
更新日期:2016-01-01 00:00:00
abstract::The mesenchymal stem cells (MSCs) are known as highly plastic stem cells and can differentiate into specialized tissues such as adipose tissue, osseous tissue, muscle tissue, and nervous tissue. The differentiation of mesenchymal stem cells is very important in regenerative medicine. Their differentiation process is r...
journal_title:Stem cells international
pub_type: 杂志文章,评审
doi:10.1155/2020/3763069
更新日期:2020-08-01 00:00:00
abstract:Objective:Mesenchymal stem cells (MSCs) are considered a promising therapy for wound healing. Here, we explored the role of c-Jun in diabetic wound healing using human umbilical cord-derived MSCs (hUC-MSCs). Methods:Freshly isolated hUC-MSCs were subjected to extensive in vitro subcultivation. The cell proliferative a...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2020/7430968
更新日期:2020-01-14 00:00:00
abstract::The migration of administered mesenchymal stem cells (MSCs) to sites of injury via the bloodstream has been demonstrated. However, the underlying mechanisms of umbilical cord MSC adhesion to endothelial cells during transendothelial migration are still unclear. In this study, our data showed that IL-1β induced LFA-1 e...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2019/7267142
更新日期:2019-12-27 00:00:00
abstract::There are promising results in the use of platelet-rich plasma (PRP) for musculoskeletal tissue repair. However, the variability in the methodology for its obtaining may cause different and opposing findings in the literature. Particularly, the choice of the anticoagulant is the first definition to be made. In this wo...
journal_title:Stem cells international
pub_type: 杂志文章
doi:10.1155/2016/7414036
更新日期:2016-01-01 00:00:00