ELIZA

return kwic search for cells out of >500 occurrences
856246 occurrences (No.4 in the rank) during 5 years in the PubMed. [no cache] 500 found

251) To overcome this problem, the aim of this study was to investigate: (a) the use of the slowly degrading poly-ε-caprolactone (PCL) scaffold for prolonged mechanical integrity; and (b) the use of lower passage cells for enhanced tissue formation.

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PMID:23677869 DOI:10.1002/term.1753

2015 Journal of tissue engineering and regenerative medicine

* Poly-ε-caprolactone scaffold and reduced in vitro cell culture: beneficial effect on compaction and improved valvular tissue formation.

- Tissue-engineered heart valves (TEHVs), based on polyglycolic acid (PGA) scaffolds coated with poly-4-hydroxybutyrate (P4HB), have shown promising in vivo results in terms of tissue formation. However, a major drawback of these TEHVs is compaction and retraction of the leaflets, causing regurgitation. To overcome this problem, the aim of this study was to investigate: (a) the use of the slowly degrading poly-ε-caprolactone (PCL) scaffold for prolonged mechanical integrity; and (b) the use of lower passage cells for enhanced tissue formation. Passage 3, 5 and 7 (P3, P5 and P7) human and ovine vascular-derived cells were seeded onto both PGA-P4HB and PCL scaffold strips. After 4 weeks of culture, compaction, tissue formation, mechanical properties and cell phenotypes were compared. TEHVs were cultured to observe retraction of the leaflets in the native-like geometry. After culture, tissues based on PGA-P4HB scaffold showed 50-60% compaction, while PCL-based tissues showed compaction of 0-10%. Tissue formation, stiffness and strength were increased with decreasing passage number; however, this did not influence compaction. Ovine PCL-based tissues did render less strong tissues compared to PGA-P4HB-based tissues. No differences in cell phenotype between the scaffold materials, species or cell passage numbers were observed. This study shows that PCL scaffolds may serve as alternative scaffold materials for human TEHVs with minimal compaction and without compromising tissue composition and properties, while further optimization of ovine TEHVs is needed. Reducing cell expansion time will result in faster generation of TEHVs, providing more rapid treatment for patients.

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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 ---