2014
DOI: 10.15789/1563-0625-2011-6-569-580
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Role of Pax-5 Transcription Factor in Immunological Processes

Abstract: Роль тРанскРипционного фактоРа PAX-5 в иммунологических пРоцессахМинеев В.Н., Сорокина Л.Н., Нёма М.А., Иванов В.А., Липкин Г.И. Санкт-Петербургский государственный медицинский университет имени акад. И.П. Павлова, Санкт-ПетербургРезюме. Рассмотрены характеристики транскрипционного фактора PAX-5 (paired box 5) (BSAP), его строение, функции, регуляция его активности, вклад в дифференцировку и активацию В-лимфоцитов, процессы переключения на синтез иммуноглобулина Е, участие фактора в опухоле-вых процессах и пре… Show more

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Cited by 2 publications
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“…Our results indicate that rs8068318 of the TBX2 gene, associated with the development of hypertension, according to genome-wide studies, plays an important functional role in the body: it is located in the region of hypersensitivity to DNase; the region of DNA regulatory motifs to transcription factors: MZF1::1-4, Pax-5, RXRA, SPIB; in the field of histones marking promoters and enhancers in 8 tissues; significantly associated with the expression of the TBX2-AS1 and TBX2 genes in brain tissues, arteries and aorta, in adipose tissue. The transcription factors associated with this polymorphic locus are involved in various biological processes: according to information in the UniProt database (www.uniprot.org), the transcription factor RXRA (a retinoic acid receptor that acts as a transcription factor) influences a fairly large number of different processes (on their own or as a partner of a number of nuclear receptors -RARA, RARB and PPARA): it participates in the regulation of lipid metabolism and adipocyte differentiation and the regulation of antiinflammatory processes, including as a heterodimer with RARA (positively regulates the expression of miRNA-10a, thereby inhibiting the GATA6/VCAM1 signaling response to hemodynamic changes in vascular endothelial cells), and also promotes phagocytosis and myelin by macrophages and is involved in the regulation of calcium signaling, by suppressing the expression of the ITPR2 gene, thereby controlling cell aging; the RXRA/PPARA heterodimer is required for the transcriptional activity of PPARA on fatty acid oxidation genes such as ACOX1 and on the genes of the P450 cytochrome system; The transcription factor PAX-5 (paired box 5) affects the differentiation and activation of B-lymphocytes and the processes of switching to the synthesis of immunoglobulin E, as well as the participation of factor PAX-5 in tumor processes [Mineev et al, 2011]; the transcription factor SPIB (belongs to the family of transcription factors Ets) plays an important role in the differentiation of mature B-lymphocytes into plasma cells and the differentiation of plasmacytoid dendritic cells [Takagi et al, 2016].…”
Section: Resultsmentioning
confidence: 99%
“…Our results indicate that rs8068318 of the TBX2 gene, associated with the development of hypertension, according to genome-wide studies, plays an important functional role in the body: it is located in the region of hypersensitivity to DNase; the region of DNA regulatory motifs to transcription factors: MZF1::1-4, Pax-5, RXRA, SPIB; in the field of histones marking promoters and enhancers in 8 tissues; significantly associated with the expression of the TBX2-AS1 and TBX2 genes in brain tissues, arteries and aorta, in adipose tissue. The transcription factors associated with this polymorphic locus are involved in various biological processes: according to information in the UniProt database (www.uniprot.org), the transcription factor RXRA (a retinoic acid receptor that acts as a transcription factor) influences a fairly large number of different processes (on their own or as a partner of a number of nuclear receptors -RARA, RARB and PPARA): it participates in the regulation of lipid metabolism and adipocyte differentiation and the regulation of antiinflammatory processes, including as a heterodimer with RARA (positively regulates the expression of miRNA-10a, thereby inhibiting the GATA6/VCAM1 signaling response to hemodynamic changes in vascular endothelial cells), and also promotes phagocytosis and myelin by macrophages and is involved in the regulation of calcium signaling, by suppressing the expression of the ITPR2 gene, thereby controlling cell aging; the RXRA/PPARA heterodimer is required for the transcriptional activity of PPARA on fatty acid oxidation genes such as ACOX1 and on the genes of the P450 cytochrome system; The transcription factor PAX-5 (paired box 5) affects the differentiation and activation of B-lymphocytes and the processes of switching to the synthesis of immunoglobulin E, as well as the participation of factor PAX-5 in tumor processes [Mineev et al, 2011]; the transcription factor SPIB (belongs to the family of transcription factors Ets) plays an important role in the differentiation of mature B-lymphocytes into plasma cells and the differentiation of plasmacytoid dendritic cells [Takagi et al, 2016].…”
Section: Resultsmentioning
confidence: 99%
“…в работе, посвященной изучению функциям и регуляции синтеза изоформ CD23, показывает, что pAX-5 усиливает транскрипцию CD23a, и, действуя вместе со STAT6, эти два фактора вызывают рост экспрессии мРНК CD23a в большей степени, чем по отдельности. Наличие отрицательной значимой корреляции между количеством белка STAT6 и мРНК pAX-5 позволяет предположить, что STAT6 способен угнетать транскрипцию фактора pAX-5 [2,3] [4,21]. Предполагается, что ингибирование происходит за счет способности STAT6 и STAT6-индуцированных факторов негативно влиять на транскрипцию гена IFNγ, в связи с чем представляется закономерным выявление повышения экспрессии STAT6 у больных аллергической бронхиальной астмой [1,6].…”
Section: основные транскрипционные факторы в-лимфоцитов и их взаимодеunclassified