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856246 occurrences (No.4 in the rank) during 5 years in the PubMed. [no cache] 500 found

245) The selection and formulation of proper viral vectors applied to cells can modulate gene expression profiles and further impact the downstream pathways.

--- ABSTRACT ---

PMID:23193077 DOI:10.1002/term.1656

2015 Journal of tissue engineering and regenerative medicine

* Co-transduction of lentiviral and adenoviral vectors for co-delivery of growth factor and shRNA genes in mesenchymal stem cells-based chondrogenic system.

- Gene delivery takes advantage of cellular mechanisms to express gene products and is an efficient way to deliver them into cells, influencing cellular behaviours and expression patterns. Among the delivery methods, viral vectors are applied due to their high efficiency. Two typical viral vectors for gene delivery include lentiviral vector for integrative transduction and adenoviral vector for transient episomal transduction, respectively. The selection and formulation of proper viral vectors applied to cells can modulate gene expression profiles and further impact the downstream pathways. In this study, recombinant lentiviral and adenoviral vectors were co-transduced in a synovial mesenchymal stem cells (SMSCs)-based articular chondrogenic system by which two transgenes were co-delivered - the gene for transforming growth factor (TGF)β3, to facilitate SMSC chondrogenesis, and the gene for small hairpin RNA (shRNA), targeting the mRNA of type I collagen (Col I) α1 chain to silence Col I expression and minimize fibrocartilage formation. Delivery of either gene could be achieved with either lentiviral or adenoviral vectors. Therefore, co-delivery of the two transgenes via the two types of vectors was performed to determine which combination was optimal for three-dimensional (3D) articular chondrogenesis to construct articular hyaline cartilage tissue. Suppression of Col I and expression of cartilage markers, including type II collagen, aggrecan and cartilage oligomeric matrix protein (COMP), were assessed at both the transcriptome and protein phenotypic levels. It was concluded that the combination of lentiviral-mediated TGFβ3 release and adenoviral-mediated shRNA expression (LV-T + Ad-sh) generally demonstrated optimal efficacy in engineered articular cartilage with SMSCs.

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[frequency of next (right) word to cells]

(1)80 null	(15)5 as	(29)3 exposed	(43)2 expanded
(2)47 and	(16)5 expressed	(30)3 have	(44)2 expressing
(3)39 were	(17)5 of	(31)3 isolated	(45)2 had
(4)26 in	(18)5 which	(32)3 showed	(46)2 labeled
(5)12 (MSCs)	(19)4 (ASCs)	(33)3 we	(47)2 may
(6)11 was	(20)4 has	(34)2 (ASCs),	(48)2 play
(7)10 to	(21)4 is	(35)2 (BMSCs)	(49)2 present
(8)9 with	(22)4 on	(36)2 (ECFCs)	(50)2 remains
(9)7 are	(23)4 seeded	(37)2 (HSCs)	(51)2 such
(10)6 can	(24)4 within	(38)2 after	(52)2 the
(11)6 for	(25)3 (ASC)	(39)2 by	(53)2 via
(12)6 from	(26)3 (ECs)	(40)2 caused
(13)6 or	(27)3 (HUVECs)	(41)2 cultured
(14)6 that	(28)3 (hMSCs)	(42)2 derived

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--- WordNet output for cells --- Overview of noun cell The noun cell has 7 senses (first 3 from tagged texts) 1. (71) cell -- (any small compartment; "the cells of a honeycomb") 2. (44) cell -- ((biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals) 3. (1) cell, electric cell -- (a device that delivers an electric current as the result of a chemical reaction) 4. cell, cadre -- (a small unit serving as part of or as the nucleus of a larger political movement) 5. cellular telephone, cellular phone, cellphone, cell, mobile phone -- (a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver) 6. cell, cubicle -- (small room in which a monk or nun lives) 7. cell, jail cell, prison cell -- (a room where a prisoner is kept) --- WordNet end ---