Orchestration of B lymphoid cells and their inner myeloid by Bach.
Curr Opin Immunol
; 39: 136-42, 2016 Apr.
Article
em En
| MEDLINE
| ID: mdl-26894991
ABSTRACT
The transcription repressor Bach2 is required for class switch recombination and somatic hypermutation of antibody genes in B cells, and proper development of effector and regulatory T cells. In addition, Bach2 and its related factor Bach1 promote B cell commitment of progenitor cells by repressing myeloid-related genes. Bach2 and the myeloid regulators C/EBPß and C/EBPα mutually repress their expression, forming a gene regulatory network (GRN) that dictates the process of lineage commitment. Bach2 forms another GRN with the plasma cell regulator Blimp-1, in which Bach2 and Blimp-1 mutually repress their expression. Since Bach2 expression is reduced in plasma cells, the repression of myeloid-related genes in B cells may be dissolved upon terminal differentiation of B cells to plasma cells. The Bach2 GRNs support the myeloid-based model of hematopoiesis. Myeloid-like characteristics suppressed or manifested in B cells by modifying differentiation trajectories of B and myeloid cells may be termed as 'inner myeloid' after the concept of 'inner fish'.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Linfócitos B
/
Linfócitos T
/
Switching de Imunoglobulina
/
Fatores de Transcrição de Zíper de Leucina Básica
Tipo de estudo:
Prognostic_studies
Limite:
Animals
/
Humans
Idioma:
En
Ano de publicação:
2016
Tipo de documento:
Article