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1099112 occurrences (No.1 in the rank) during 5 years in the PubMed. [no cache] 500 found

116) In this study we investigated whether neurotization coupled with nerve guidance channels would increase the regeneration of neuromuscular junctions (NMJs) in completely denervated muscle and encourage neurofunctional recovery.

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PMID:23401429 DOI:10.1002/term.1696

2015 Journal of tissue engineering and regenerative medicine

* Functional recovery of denervated muscle by neurotization using nerve guidance channels.

- Tissue-engineered muscle has been proposed as a means of repairing volumetric muscle defects to restore anatomical and functional recovery. We have previously demonstrated that denervated muscle, which is analogous to engineered muscle construct, can be reinnervated by direct transplantation of host nerve (neurotization) in a rat model. However, the use of this approach is not possible if the length of host nerve is inadequate and cannot be mobilized to the insertion site of the engineered muscle. In this study we investigated whether neurotization coupled with nerve guidance channels would increase the regeneration of neuromuscular junctions (NMJs) in completely denervated muscle and encourage neurofunctional recovery. Seventy-two Lewis rats were evaluated in three groups, a normal control group (n = 8), a denervated group (n = 32) and a neurotization coupled with nerve guidance group (n = 32). Neurofunctional behaviour and histological evaluations were performed at 4, 8, 12 and 20 weeks postoperatively. Extensor postural thrust (EPT) and compound muscle action potential (CMAP) amplitude were significantly improved in the nerve guidance group when compared with the denervated group, even though these values were different from those of the normal control group at 20 weeks postoperation. Regeneration of axons and NMJs was demonstrated histologically in the nerve guidance group. Neurotization coupled with nerve guidance channels leads to regeneration of axons and NMJs in completely denervated muscle. To our knowledge, this is the first report to show that nerve guidance can allow re-innervation in denervated muscle containing long-gap nerve injuries.

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(1)109 was	(16)6 used	(31)2 1	(46)2 investigates
(2)36 we	(17)5 included	(32)2 and	(47)2 it
(3)25 aimed	(18)5 showed	(33)2 as	(48)2 objective
(4)24 null	(19)5 subjects	(34)2 assessed	(49)2 participants
(5)15 the	(20)4 a	(35)2 compared	(50)2 period
(6)14 investigated	(21)4 also	(36)2 data	(51)2 provide
(7)14 is	(22)4 demonstrates	(37)2 demonstrated	(52)2 provided
(8)13 examined	(23)4 explored	(38)2 determined	(53)2 provides
(9)9 aims	(24)4 found	(39)2 evaluated	(54)2 recommends
(10)9 were	(25)4 on	(40)2 evaluates	(55)2 reveals
(11)8 of	(26)3 examines	(41)2 findings	(56)2 suggest
(12)8 suggests	(27)3 period,	(42)2 has	(57)2 three
(13)7 to	(28)3 population	(43)2 have
(14)6 in	(29)3 revealed	(44)2 highlighted
(15)6 may	(30)3 shows	(45)2 highlights

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--- WordNet output for study --- =>1.〜を勉強[研究]する, 学ぶ, 調べる, 2.調査, 勉強, 3.書斎, 勉強する Overview of noun study The noun study has 10 senses (first 8 from tagged texts) 1. (90) survey, study -- (a detailed critical inspection) 2. (17) study, work -- (applying the mind to learning and understanding a subject (especially by reading); "mastering a second language requires a lot of work"; "no schools offer graduate study in interior design") 3. (6) report, study, written report -- (a written document describing the findings of some individual or group; "this accords with the recent study by Hill and Dale") 4. (6) study -- (a state of deep mental absorption; "she is in a deep study") 5. (6) study -- (a room used for reading and writing and studying; "he knocked lightly on the closed door of the study") 6. (3) discipline, subject, subject area, subject field, field, field of study, study, bailiwick -- (a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings") 7. (2) sketch, study -- (preliminary drawing for later elaboration; "he made several studies before starting to paint") 8. (1) cogitation, study -- (attentive consideration and meditation; "after much cogitation he rejected the offer") 9. study -- (someone who memorizes quickly and easily (as the lines for a part in a play); "he is a quick study") 10. study -- (a composition intended to develop one aspect of the performer's technique; "a study in spiccato bowing") Overview of verb study The verb study has 6 senses (first 6 from tagged texts) 1. (73) analyze, analyse, study, examine, canvass, canvas -- (consider in detail and subject to an analysis in order to discover essential features or meaning; "analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives") 2. (17) study -- (be a student; follow a course of study; be enrolled at an institute of learning) 3. (15) study, consider -- (give careful consideration to; "consider the possibility of moving") 4. (13) learn, study, read, take -- (be a student of a certain subject; "She is reading for the bar exam") 5. (5) study, hit the books -- (learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now") 6. (2) study, meditate, contemplate -- (think intently and at length, as for spiritual purposes; "He is meditating in his study") --- WordNet end ---