| pubmed-article:10498600 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C0035366 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C1280551 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C0016055 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C0079459 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C0229601 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C1708096 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C1160185 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C1517499 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C1524063 | lld:lifeskim |
| pubmed-article:10498600 | lifeskim:mentions | umls-concept:C2349975 | lld:lifeskim |
| pubmed-article:10498600 | pubmed:issue | 7 | lld:pubmed |
| pubmed-article:10498600 | pubmed:dateCreated | 1999-11-4 | lld:pubmed |
| pubmed-article:10498600 | pubmed:abstractText | A competitive repopulation assay in the dog was used to develop improved gene transfer protocols for hematopoietic stem cell gene therapy. Using this assay, we previously showed improved gene transfer into canine hematopoietic repopulating cells when CD34-enriched marrow cells were cocultivated on gibbon ape leukemia virus (GALV)-based retrovirus vector-producing cells. In the present study, we have investigated the use of fibronectin fragment CH-296 and 2 growth factor combinations to further improve gene transfer efficiency. CD34-enriched marrow cells from each dog were prestimulated for 24 hours and then divided into 3 equal fractions. Two fractions were placed into flasks coated with either CH-296 or bovine serum albumin (BSA) and virus-containing medium supplemented with growth factors, and protamine sulfate was replaced 4 times over a 48-hour period. One fraction was cocultivated on irradiated PG13 (GALV-pseudotype) packaging cells for 48 hours. In 2 animals, cells of the different fractions were transduced in the presence of human FLT-3 ligand (FLT3L), canine stem cell factor (cSCF), and human megakaryocyte growth and development factor (MGDF), and in 2 other dogs, transduction was performed in the presence of FLT3L, cSCF, and canine granulocyte-colony stimulating factor (cG-CSF). The vectors used contained small sequence differences, allowing differentiation of cells genetically marked by the different vectors. After transduction, nonadherent and adherent cells from all 3 fractions were pooled and infused into lethally irradiated dogs. Polymerase chain reaction and Southern blot analysis were used to determine the persistence of the transferred vectors in the peripheral blood and marrow cells after transplantation. The highest levels of gene transfer were obtained when cells were transduced in the presence of FLT3L, cSCF, and cG-CSF (gene transfer levels of more than 10% for more than 8 months so far). Compared with the 2 animals that received cells transduced with FLT3L, cSCF, and MGDF, gene transfer levels were significantly higher when dogs received cells that were transduced in the presence of cG-CSF. Transduction on CH-296 resulted in gene transfer levels that were at least as high as transduction by cocultivation. In summary, the overall levels of gene transfer obtained with these conditions should be sufficiently high to allow stem cell gene therapy studies aimed at correcting genetic diseases in dogs as a model for human gene therapy. | lld:pubmed |
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| pubmed-article:10498600 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10498600 | pubmed:language | eng | lld:pubmed |
| pubmed-article:10498600 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10498600 | pubmed:citationSubset | AIM | lld:pubmed |
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| pubmed-article:10498600 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:10498600 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:10498600 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:10498600 | pubmed:issn | 0006-4971 | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:StorbRR | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:KingJ WJWJr | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:BruniDD | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:McSweeneyP... | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:BurnySS | lld:pubmed |
| pubmed-article:10498600 | pubmed:author | pubmed-author:GoernerMM | lld:pubmed |
| pubmed-article:10498600 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:10498600 | pubmed:day | 1 | lld:pubmed |
| pubmed-article:10498600 | pubmed:volume | 94 | lld:pubmed |
| pubmed-article:10498600 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:10498600 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:10498600 | pubmed:pagination | 2287-92 | lld:pubmed |
| pubmed-article:10498600 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:10498600 | pubmed:year | 1999 | lld:pubmed |
| pubmed-article:10498600 | pubmed:articleTitle | The use of granulocyte colony-stimulating factor during retroviral transduction on fibronectin fragment CH-296 enhances gene transfer into hematopoietic repopulating cells in dogs. | lld:pubmed |
| pubmed-article:10498600 | pubmed:affiliation | Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA. | lld:pubmed |
| pubmed-article:10498600 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:10498600 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:10498600 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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