Results 131 to 140 of about 16,705 (253)

Evaluación de Gliricidia sepium y pulpa de café sobre la emisión de metano entérico en bovinos

open access: yesAIA Avances en Investigación Agropecuaria
Introducción. Actualmente se observan sequías e inundaciones resultando en baja disponibilidad de alimentos para el ganado bovino en las regiones de clima tropical (Cuevas et al., 2024), por lo tanto, existe la urgente necesidad de desarrollar sistemas ...
Cristian Cruz Matías   +5 more
doaj   +1 more source

What determines the price received by cocoa farmers in Cameroon? An empirical analysis based on bargaining theory [PDF]

open access: yes, 2010
Studies have shown that small-scale agricultural producers from developing countries do not generally obtain the potential gains of trade. To investigate what can be done to help them get better prices, we examine ways to increase their bargaining power.
Bergaly Kamdem, Cyrille   +5 more
core  

O tempo de permanência em programa comunitário de atividade física não ultrapassa dois anos

open access: yesRevista Brasileira de Cineantropometria e Desempenho Humano, 2014
O objetivo do estudo foi estimar o tempo de permanência de participantes em um Programa Comunitário de Atividade Física (PCAF). Trata-se de uma coorte retrospectiva em que foi estimada a permanência de 727 participantes (55,16+11,78 anos) estratificados ...
Glauber Rocha Monteiro   +1 more
doaj   +1 more source

Selective inhibition of PCAF suppresses microglial-mediated β-amyloid neurotoxicity

open access: yesInternational Journal of Molecular Medicine, 2013
Recent studies have emphasized the functional role of the P300/CBP-associated factor (PCAF) enzyme in resistance to β-amyloid (Aβ)-mediated neurotoxicity; however, the underlying mechanisms through which PCAF regulates inflammation and neurotoxicity have not yet been elucidated.
Soo-Yeon, Park   +5 more
openaire   +4 more sources

A skew stochastic heat equation

open access: yes, 2011
We consider a stochastic heat equation driven by a space-time white noise and with a singular drift, where a local-time in space appears. The process we study has an explicit invariant measure of Gibbs type, with a non-convex potential.
Bounebache, Said Karim   +1 more
core  

The ATAC complex represses the transcriptional program of the autophagy-lysosome pathway via its E3 ubiquitin ligase activity

open access: yesCell Reports
Summary: The Ada two A-containing (ATAC) complex, containing histone acetyltransferases general control non-derepressible 5 (GCN5) or p300/CBP-associated factor (PCAF), has gained recognition as a prominent transcriptional coactivator. Recent revelations
Xiaolu Wang   +13 more
doaj   +1 more source

Expression of MHC II genes

open access: yes, 2005
Innate and adaptive immunity are connected via antigen processing and presentation (APP), which results in the presentation of antigenic peptides to T cells in the complex with the major histocompatibility (MHC) determinants.
Drozina, G.   +3 more
core   +2 more sources

MicroRNA-29a represses osteoclast formation and protects against osteoporosis by regulating PCAF-mediated RANKL and CXCL12

open access: yesCell Death and Disease, 2019
Osteoporosis deteriorates bone mass and biomechanical strength, becoming a life-threatening cause to the elderly. MicroRNA is known to regulate tissue remodeling; however, its role in the development of osteoporosis remains elusive.
W. Lian   +9 more
semanticscholar   +1 more source

Identify the Specific Site for Autoacetylation of Histone Acetyltransferase Gcn5 [PDF]

open access: yes, 2015
赖氨酸乙酰化是一种非常重要的转录后蛋白质修饰,如组蛋白乙酰化修饰。乙酰化修饰不仅参与调控基因转录、细胞周期、细胞凋亡和发育,而且在肿瘤的发生、记忆以及能量代谢中发挥重要作用。组蛋白乙酰化酶PCAF(p300/CBP相关因子)和Gcn5(组蛋白乙酰化酶氨合成通用控制蛋白5)都属于GNAT家族,因它们都具有保守的催化结构域故统称为HAT。PCAF/Gcn5主要存在于细胞核内,这样的核定位是由HAT结构域毗连的保守区域自乙酰化状态所决定。然而,自乙酰化在其他同源蛋白中是否也是保守的还不清楚 ...
余姣
core  

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