Abstract:
:Development of β-cells from human embryonic stem cells (hESCs) could compensate for the shortage of islet donors required for diabetes therapy. Although pancreatic progenitors have been derived from hESCs using various protocols, no fully functional b-cells could be generated in vitro. We evaluated the in vivo growth and differentiation of PDX1+ pancreatic endoderm cells obtained from hESCs. Here we show site-specific survival and differentiation when comparing cells grafted in the epididymal fat pad or the subcutaneous space of NOD/SCID mice after 12 weeks follow-up. Subcutaneous grafts persisted and expressed PDX1 at all time points analyzed, showed PDX1 and NKX6.1 coexpression after 6 weeks, and contained NGN3+ cells after 12 weeks.These findings suggest that further specification along the pancreatic lineage occured at the subcutaneous site.In sharp contrast, in the fat pad grafts only a minority of PDX1+ cells remained after 2 weeks, and no further pancreatic differentiation was observed later on. In addition, contaminating mesenchymal cells present in the implants further developed into cartilage tissue after 6 weeks implantation in the fat pad, but not in the subcutaneous space. These findings indicate that the in vivo microenvironment plays a critical role in the further differentiation of transplanted pancreatic endoderm cells.
journal_name
Cell Transplantjournal_title
Cell transplantationauthors
Sui L,Mfopou JK,Chen B,Sermon K,Bouwens Ldoi
10.3727/096368912X636812subject
Has Abstractpub_date
2013-01-01 00:00:00pages
821-30issue
5eissn
0963-6897issn
1555-3892pii
ct0394suijournal_volume
22pub_type
杂志文章abstract::Islet isolation involves enzymatic digestion of the interstitial matrix and mechanical disruption of the tissue. It is possible that a fundamental change of islet biology resulting from the loss of critical factors required for islet function or survival will occur. Extracellular matrix (ECM) is one of the most import...
journal_title:Cell transplantation
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abstract::The estimated frequency of MSCs in BM is about 0.001-0.01% of total nucleated cells. Most commonly, one applied therapeutic cell dose is about 1-5 million MSCs/kg body weight, necessitating a reliable, fast, and safe expansion system. The limited availability of MSCs demands for an extensive ex vivo amplification step...
journal_title:Cell transplantation
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abstract::Natural immunological tolerance can be induced in certain types of allogeneic liver transplantation in rats. To screen for genes associated with the induction of tolerance, suppression subtractive hybridization was performed in the rat liver transplantation model between a DA donor and PVG recipient combination where ...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/000000008783906955
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abstract::Spinocerebellar ataxia type 1 (SCA1) is a dominant inherited disease caused by expanded trinucleotide repeats resulting in an increased polyglutamine tract in the gene product. As a potential therapeutic approach for SCA1, we tested antisense RNAs targeting two regions of the ataxin-1 message. Single-stranded regions ...
journal_title:Cell transplantation
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abstract::Cell escape occurs after intramyocardial injection for treatment of myocardial infarction (MI) and then the migrated cells might be entrapped by extracardiac organs. We investigated the fate of migrated bone marrow-derived mesenchymal stromal cells (MSCs) and their impact on lung, liver, and spleen. MI model was creat...
journal_title:Cell transplantation
pub_type: 杂志文章
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abstract::We investigated the effect of the activation of complement in human serum on isolated adult porcine islets using an in vitro model of pig-to-human islet transplantation. Pancreata were obtained from slaughterhouse pigs (6-8 mo old). Islets were prepared by intraductal collagenase digestion followed by purification on ...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.1016/0963-6897(96)00038-3
更新日期:1996-09-01 00:00:00
abstract::Liver fibrosis is characterized by excessive accumulation of extracellular matrix components in the liver parenchyma that distorts the normal architecture and hepatic function. Progressive fibrosis could end in the advanced stage known as cirrhosis, resulting in the need to resort to liver transplantation. Amniotic me...
journal_title:Cell transplantation
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doi:10.3727/096368916X692645
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abstract::Prior studies have suggested the possibility of immune-mediated death of xenogeneic hepatocytes in a bioartificial liver (BAL) during hemoperfusion. This study was designed to elucidate how immunity may cause death of xenogeneic hepatocytes in the BAL. Healthy dogs were treated with a BAL containing hollow fiber membr...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/000000004783983378
更新日期:2004-01-01 00:00:00
abstract::We have recently reported that small-sized bone marrow cells (BMCs) isolated by counterflow centrifugal elutriation and depleted of lineage markers (Fr25lin(-)) have the capacity to differentiate and contribute to regeneration of injured islets. In this study, we assess some of the characteristics of these cells compa...
journal_title:Cell transplantation
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doi:10.3727/096368913X676899
更新日期:2015-01-01 00:00:00
abstract::A fresh osteochondral allograft is one of the most effective treatments for cartilage defects of the knee. Despite the clinical success, fresh osteochondral allografts have great limitations in relation to the short storage time that cartilage tissues can be well-preserved. Fresh osteochondral grafts are generally sto...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.1177/096368970901805-604
更新日期:2009-01-01 00:00:00
abstract::Duchenne muscular dystrophy (DMD) is an inherited disease and a main target of myogenic cell transplantation (MT). After the failure of the first clinical trials with DMD patients, the poor migration of transplanted cells has been suspected to be a major problem for a more effective clinical application of MT. Previou...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368909X470900
更新日期:2009-01-01 00:00:00
abstract::New treatment paradigms that slow or reverse progression of chronic kidney disease (CKD) are needed to relieve significant patient and healthcare burdens. We have shown that a population of selected renal cells (SRCs) stabilized disease progression in a mass reduction model of CKD. Here, we further define the cellular...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368912X653237
更新日期:2013-01-01 00:00:00
abstract::Maintenance of freshly isolated porcine liver cells in vitro is limited for a short period of time. Therefore, establishment of easy handling cell lines is extremely important for in vitro study for liver cells and their possible utilization for cell differentiation and growth of stem cells. Porcine liver cells were t...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368910X508979
更新日期:2010-01-01 00:00:00
abstract::The development of cell- and gene-based strategies for regenerative medicine offers a therapeutic option for the repair and potential regeneration of damaged cardiac tissue post-myocardial infarction (MI). Human umbilical cord subepithelial cell-derived stem cells (hUC-SECs), human bone marrow-derived mesenchymal stem...
journal_title:Cell transplantation
pub_type: 杂志文章,评审
doi:10.3727/096368916X691501
更新日期:2016-01-01 00:00:00
abstract::The use of regenerative medicine to treat nervous system disorders like ataxia has been proposed to either replace or support degenerating neurons. In this study, we assessed the ability of human neural progenitor cells (hNPCs) to repair and restore the function of dying neurons within the spastic Han-Wistar rat (sHW)...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.1177/0963689717723637
更新日期:2017-11-01 00:00:00
abstract::Embryonic stem (ES) cells have the ability to generate teratomas when transplanted into immunodeficient mice, but conditions affecting the generation remain to be elucidated. Nonhuman primate cynomolgus ES cells were transplanted into immunodeficient mice under different conditions; the number of transplanted cells, p...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368908786991560
更新日期:2008-09-01 00:00:00
abstract::Recently, oral mucosal epithelial cells were proposed as a cell source of the autologous cell transplant therapy for corneal trauma or disease. The question addressed is to know if the biological conditions of grafting could induce certain cellular, molecular, and genetic alterations that might increase the risk of mu...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368910X515854
更新日期:2010-01-01 00:00:00
abstract::Traumatic brain injury (TBI), a major contributor to deaths and permanent disability worldwide, has been recently described as a progressive cell death process rather than an acute event. TBI pathophysiology is complicated and can be distinguished by the initial primary injury and the subsequent secondary injury that ...
journal_title:Cell transplantation
pub_type: 杂志文章,评审
doi:10.3727/096368915X686913
更新日期:2015-01-01 00:00:00
abstract::Changes in morphology, metabolism, myosin heavy chain gene expression, and functional performances in damaged rabbit muscles with or without transplantation of primary satellite cells were investigated. For this purpose, we damaged bilaterally the fast muscle tibialis anterior (TA) with either 1.5 or 2.6 ml cardiotoxi...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:
更新日期:2002-01-01 00:00:00
abstract::Harvesting, expansion, and directed differentiation of human bone marrow-derived mesenchymal stem cells (BM-MSCs) could provide an autologous source of surrogate β-cells that would alleviate the limitations of availability and/or allogenic rejection following pancreatic or islet transplantation. Bone marrow cells were...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368912X647162
更新日期:2013-01-01 00:00:00
abstract::We previously demonstrated that mesenchymal cells from human amniotic membrane (hAMTCs) inhibit the generation and maturation of monocyte-derived dendritic cells (DCs) in vitro. Considering the crucial role of DCs in the immune response and that epithelial cells of the human amniotic membrane (hAECs) share some of the...
journal_title:Cell transplantation
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doi:10.3727/096368914X684033
更新日期:2015-01-01 00:00:00
abstract::"Proof-of-principle" that cell replacement therapy works for neurodegeneration has been reported, but only using donor cells collected from fetal brain tissue obtained from surgical terminations of pregnancy. Surgical terminations of pregnancy represent an increasingly limited supply of donor cells due to the tendenc...
journal_title:Cell transplantation
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doi:10.3727/096368910X546580
更新日期:2011-01-01 00:00:00
abstract::Astrocytes protection and functional regulation are important strategies to protect against neuronal damage caused by ischemia. Activation of the delta opioid receptor (DOR) could reduce astrocytes damage, although the mechanism remains unclear. The present study aimed to test the effect of DOR activation on autophagy...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.1177/0963689719825619
更新日期:2019-06-01 00:00:00
abstract::Experiments are described using rats with two kinds of brain damage and consequent cognitive deficit (in the Morris water maze, three-door runway, and radial maze): 1) ischemic damage to the CA1 hippocampal cell field after four-vessel occlusion (4VO), and 2) damage to the forebrain cholinergic projection system by lo...
journal_title:Cell transplantation
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doi:10.1177/096368970000900203
更新日期:2000-03-01 00:00:00
abstract::In this study the time course of homing and the body distribution of systemically delivered bone marrow mesenchymal stem cells (BM-MSCs) after myocardial infarction (MI) were evaluated. BM-MSCs were isolated from Wistar rats, expanded in vitro, and their phenotypical characterization was performed by flow cytometer. R...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368909X479677
更新日期:2010-01-01 00:00:00
abstract::Ischemia-reperfusion and immunosuppressive therapy are a major cause of progressive renal failure after kidney transplantation. Recent studies have shown that administration of bone marrow mesenchymal stem cells (MSCs) improves kidney functional recovery in the acute phase of post ischemia-reperfusion injury. In the ...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368912X640448
更新日期:2012-01-01 00:00:00
abstract::The cytology of peritoneal washing fluids for gastric cancer is the most basic method for judging peritoneal micrometastasis. However, the clinical value of this method is not clear at present. A retrospective analysis was performed on 277 patients with pathologically proven and surgically treated gastric cancer. The ...
journal_title:Cell transplantation
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doi:10.1177/0963689719864318
更新日期:2019-11-01 00:00:00
abstract::The use of biomaterials has been demonstrated as a viable strategy to promote cell survival and cardiac repair. However, limitations on combinational cell-biomaterial therapies exist, as cellular behavior is influenced by the microenvironment and physical characteristics of the material. Among the different scaffolds ...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:10.3727/096368915X689794
更新日期:2016-01-01 00:00:00
abstract::Pancreatic beta cell lines may offer an abundant source of cells for beta-cell replacement in type I diabetes. Using regulatory elements of the bacterial tetracycline (tet) operon for conditional expression of SV40 T antigen oncoprotein in transgenic mouse beta cells, we have shown that reversible immortalization is a...
journal_title:Cell transplantation
pub_type: 杂志文章
doi:
更新日期:2001-01-01 00:00:00
abstract::Pigs share many anatomical and physiological features with humans, offering a unique and viable model for biomedical research. Although porcine female germline stem cells (FGSCs) were identified in the juvenile ovary, no reports described the isolation and purification of FGSCs from the pig at sexual maturity. Here, w...
journal_title:Cell transplantation
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doi:10.1177/0963689718784878
更新日期:2018-08-01 00:00:00