ELIZA

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560012 occurrences (No.18 in the rank) during 5 years in the PubMed. [no cache] 500 found

144) For that, we examined the expression of the methyl-CpG-binding protein MeCP2 and of the histone deacetylases HDAC2 and HDAC3, as well as the acetylation status of histone H3 and H4 in mesolimbic structures of adult maternally deprived rats, using immunohistochemistry and Western blot analysis.

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PMID:23980619 DOI:10.1111/adb.12084

2015 Addiction biology

* Vulnerability to opiate intake in maternally deprived rats: implication of MeCP2 and of histone acetylation.

- We previously showed that maternal deprivation predisposes male rats to anxiety, accompanied with an increase in their opiate consumption. In the present report, we searched for brain epigenetic mechanisms that possibly underlie this increase. For that, we examined the expression of the methyl-CpG-binding protein MeCP2 and of the histone deacetylases HDAC2 and HDAC3, as well as the acetylation status of histone H3 and H4 in mesolimbic structures of adult maternally deprived rats, using immunohistochemistry and Western blot analysis. A long-lasting increase in MeCP2 expression was found throughout the striatum of deprived rats. Enhanced HDAC2 expression and increased nuclear HDAC activity in the nucleus accumbens of deprived rats were associated with lower acetylation levels of histone H3 and H4. Treatment for 3 weeks with the HDAC inhibitor sodium valproate abolished HDAC activation together with the decrease in the acetylation levels of histone H4, and was accompanied with normalized oral morphine consumption. The data indicate that epigenetic mechanisms induced by early adverse environment memorize life experience to trigger greater opiate vulnerability during adult life. They suggest that sodium valproate may lessen vulnerability to opiate intake, particularly in subgroups of individuals subjected to adverse postnatal environments.

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(1)124 of	(12)7 is	(23)3 suggested	(34)2 method
(2)63 null	(13)6 with	(24)3 we	(35)2 no
(3)35 was	(14)5 based	(25)3 yielded	(36)2 patients
(4)22 and	(15)5 on	(26)2 (FEA)	(37)2 results
(5)21 showed	(16)5 were	(27)2 allele	(38)2 reveals
(6)19 revealed	(17)4 as	(28)2 because	(39)2 suggests
(7)10 in	(18)4 confirmed	(29)2 by	(40)2 that
(8)9 indicated	(19)4 demonstrated	(30)2 during	(41)2 tools
(9)8 the	(20)4 using	(31)2 found
(10)8 to	(21)3 identified	(32)2 further
(11)7 for	(22)3 shows	(33)2 has

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--- WordNet output for analysis --- =>詳細な検討, 分解, 分析, 解析, 見方, 精神分析 Overview of noun analysis The noun analysis has 6 senses (first 3 from tagged texts) 1. (45) analysis -- (an investigation of the component parts of a whole and their relations in making up the whole) 2. (5) analysis, analytic thinking -- (the abstract separation of a whole into its constituent parts in order to study the parts and their relations) 3. (2) analysis -- (a form of literary criticism in which the structure of a piece of writing is analyzed) 4. analysis -- (the use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father') 5. analysis -- (a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation) 6. psychoanalysis, analysis, depth psychology -- (a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; "his physician recommended psychoanalysis") --- WordNet end ---