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Registros recuperados: 3
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BAFF promotes regulatory T-cell apoptosis and blocks cytokine production by activating B cells in primary biliary cirrhosis BJMBR
Zhang,Bo; Hu,Mintao; Zhang,Peng; Cao,Hong; Wang,Yongzhen; Wang,Zheng; Su,Tingting.
Primary biliary cirrhosis (PBC) is a chronic and slowly progressive cholestatic liver disease of autoimmune etiology. A number of questions regarding its etiology are unclear. CD4+CD25+ regulatory T cells (Tregs) play a critical role in self-tolerance and, for unknown reasons, their relative number is reduced in PBC patients. B-cell-activating factor (BAFF) is a key survival factor during B-cell maturation and its concentration is increased in peripheral blood of PBC patients. It has been reported that activated B cells inhibit Treg cell proliferation and there are no BAFF receptors on Tregs. Therefore, we speculated that excessive BAFF may result in Treg reduction via B cells. To prove our hypothesis, we isolated Tregs and B cells from PBC and healthy...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Primary biliary cirrhosis; Regulatory T cells; BAFF; B cells; Bezafibrate.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000500433
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SAD-B modulates epileptic seizure by regulating AMPA receptors in patients with temporal lobe epilepsy and in the PTZ-induced epileptic model BJMBR
Li,Rong; He,Miaoqing; Wu,Bing; Zhang,Peng; Zhang,Qinbin; Chen,Yangmei.
α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors are the predominant mediators of glutamate-induced excitatory neurotransmission. It is widely accepted that AMPA receptors are critical for the generation and spread of epileptic seizure activity. Dysfunction of AMPA receptors as a causal factor in patients with intractable epilepsy results in neurotransmission failure. Brain-specific serine/threonine-protein kinase 1 (SAD-B), a serine-threonine kinase specifically expressed in the brain, has been shown to regulate AMPA receptor-mediated neurotransmission through a presynaptic mechanism. In cultured rat hippocampal neurons, the overexpression of SAD-B significantly increases the frequency of miniature excitatory postsynaptic currents...
Tipo: Info:eu-repo/semantics/article Palavras-chave: SAD-B; AMPA receptor; Temporal lobe epilepsy; PTZ.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2020000400602
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The complete mitochondrial genome of Engyodontium album and comparative analyses with Ascomycota mitogenomes Genet. Mol. Biol.
Yuan,Xiao-Long; Mao,Xin-Xin; Liu,Xin-Min; Cheng,Sen; Zhang,Peng; Zhang,Zhong-Feng.
Abstract Engyodontium album is a widespread pathogen that causes different kinds of dermatoses and respiratory tract diseases in humans and animals. In spite of its perniciousness, the basic genetic and molecular background of this species remains poorly understood. In this study, the mitochondrial genome sequence of E. album was determined using a high-throughput sequencing platform. The circular mitogenome was found to be 28,081 nucleotides in length and comprised of 17 protein-coding genes, 24 tRNA genes, and 2 rRNA genes. The nucleotide composition of the genome was A+T-biased (74.13%). Group-II introns were found in the nad1, nad5, and cob genes. The most frequently used codon of protein-coding genes was UAU. Isoleucine was identified as the most...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Engyodontium album; Mitochondrial genome; Comparative analysis; Phylogenetic analyses.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572017000500844
Registros recuperados: 3
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