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자료유형
학술저널
저자정보
김유미 (한국과학기술원) 김성룡 (한국과학기술원) Hyun-Sup Song (Korea Advanced Institute of Science and Technology (KAIST)) Jihyun Yu (Korea Advanced Institute of Science and Technology (KAIST))
저널정보
한국분자세포생물학회 Molecules and Cells Molecules and Cells 제44권 제5호
발행연도
2021.1
수록면
342 - 355 (14page)

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The microphthalmia-associated transcription factor family (MiT family) proteins are evolutionarily conserved transcription factors that perform many essential biological functions. In mammals, the MiT family consists of MITF (microphthalmiaassociated transcription factor or melanocyte-inducing transcription factor), TFEB (transcription factor EB), TFE3 (transcription factor E3), and TFEC (transcription factor EC). These transcriptional factors belong to the basic helix-loophelix- leucine zipper (bHLH-LZ) transcription factor family and bind the E-box DNA motifs in the promoter regions of target genes to enhance transcription. The best studied functions of MiT proteins include lysosome biogenesis and autophagy induction. In addition, they modulate cellular metabolism, mitochondria dynamics, and various stress responses. The control of nuclear localization via phosphorylation and dephosphorylation serves as the primary regulatory mechanism for MiT family proteins, and several kinases and phosphatases have been identified to directly determine the transcriptional activities of MiT proteins. In different immune cell types, each MiT family member is shown to play distinct or redundant roles and we expect that there is far more to learn about their functions and regulatory mechanisms in host defense and inflammatory responses.

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