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Twist1: A Double-Edged Sword in Kidney Diseases
1Division of Nephrology, Department of Medicine, Duke University and Durham Veterans Affairs Medical Centers, Durham, North Carolina, USA.
Background:
Twist1 is a basic helix-loop-helix domain containing transcription factor that regulates cell differentiation, migration, proliferation, survival, and inflammatory responses by transcriptionally regulating a wide range of downstream target genes. Its homologous protein, Twist2, shares many structural and functional similarities with Twist1.
Summary:
Accumulating evidence from both preclinical and clinical studies suggests that Twist1 is a pivotal regulator of several forms of renal disease. Twist1 is persistently activated following renal insults, particularly in chronic kidney diseases, and contributes to the renal inflammatory responses, tubular cell transformation programs, and possibly fibroblast activation, all of which are involved in the initiation and progression of kidney diseases.
Key Message:
This review will specifically focus on Twist1 and outline our understanding of its functions in kidney disorders along with the introduction of Twist2 where pertinent. The thorough knowledge of Twist1's actions in the pathogenesis of kidney diseases should facilitate the development of novel therapeutics for kidney injury.
Insights
Twist1, a transcription factor, plays a key role in kidney disease development. Understanding its function in renal disorders may lead to new treatments for kidney injury.
Area of Science:
- Molecular Biology
- Nephrology
- Cellular Biology
Background:
- Twist1 is a transcription factor regulating cell functions like differentiation, migration, and inflammation.
- Twist1 controls numerous downstream target genes.
- Twist2 is a homologous protein with similar structures and functions to Twist1.
Purpose of the Study:
- To review the role of Twist1 in kidney disorders.
- To highlight the functions of Twist1 in renal disease pathogenesis.
- To introduce the role of Twist2 where relevant.
Main Methods:
- Literature review of preclinical and clinical studies.
- Analysis of Twist1's persistent activation in renal insults.
- Examination of Twist1's contribution to renal inflammatory responses.
Main Results:
- Twist1 is persistently activated after kidney injury, especially in chronic kidney diseases.
- Twist1 contributes to renal inflammation and tubular cell transformation.
- Twist1 may also be involved in fibroblast activation, promoting kidney disease progression.
Conclusions:
- Twist1 is a critical regulator in various renal diseases.
- Understanding Twist1's role is crucial for developing new kidney injury therapeutics.
- Further research into Twist1's mechanisms can advance treatment strategies for kidney disorders.
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