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Related Concept Videos

NF-κB-dependent Signaling Pathway02:26

NF-κB-dependent Signaling Pathway

The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
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Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
Type I Diabetes I: Introduction01:12

Type I Diabetes I: Introduction

Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1 diabetes is an...
NF-kB-dependent Signaling Pathway02:26

NF-kB-dependent Signaling Pathway

The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
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Type II Diabetes I: Introduction01:26

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Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.

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A Guide to Production, Crystallization, and Structure Determination of Human IKK1/&#945;
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NF-κB in type 1 diabetes.

Yuxing Zhao1, Balasubramanian Krishnamurthy, Zia U A Mollah

  • 1St Vincent's Institute, 41 Victoria Parade, Fitzroy, Victoria 3065, Melbourne, Australia.

Inflammation & Allergy Drug Targets
|April 19, 2011
PubMed
Summary
This summary is machine-generated.

Nuclear factor-kappa B (NF-κB) plays a critical role in type 1 diabetes development by activating T cells and affecting beta cell survival. Targeting NF-κB offers a promising therapeutic strategy for this autoimmune disease.

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Area of Science:

  • Immunology
  • Endocrinology
  • Molecular Biology

Background:

  • Type 1 diabetes is an autoimmune disease characterized by the destruction of pancreatic beta cells by autoreactive T cells.
  • The incidence of type 1 diabetes is increasing, particularly in pediatric populations, with limited curative options beyond islet transplantation.
  • The transcription factor nuclear factor-kappa B (NF-κB) is implicated in the pathogenesis of type 1 diabetes.

Purpose of the Study:

  • To elucidate the role of NF-κB in the development and progression of type 1 diabetes.
  • To explore NF-κB as a potential therapeutic target for type 1 diabetes intervention.

Main Methods:

  • Review of recent scientific data and studies on NF-κB signaling pathways in the context of type 1 diabetes.
  • Analysis of NF-κB's involvement in T cell activation, immune cell function, and beta cell regulation.

Main Results:

  • NF-κB is essential for the activation of autoreactive T cells involved in type 1 diabetes.
  • Hyperactivity of NF-κB in monocytes and dendritic cells leads to aberrant cytokine secretion and antigen presentation, initiating type 1 diabetes.
  • NF-κB activation by proinflammatory cytokines influences both the survival and death of pancreatic beta cells.

Conclusions:

  • The critical role of NF-κB in type 1 diabetes pathogenesis makes it a promising pharmaceutical target.
  • Further understanding of the NF-κB pathway is crucial for developing novel and safe therapeutic strategies for type 1 diabetes.