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Related Concept Videos

Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
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Diabetes: Symptoms, Diagnosis, and Complications01:15

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For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
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Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Overview of Lipid Metabolism01:24

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Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
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Diabetes Mellitus: Overview and Type I Subtype01:22

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Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
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Updated: Jul 2, 2025

Induction of Periodontitis via a Combination of Ligature and Lipopolysaccharide Injection in a Rat Model
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Lipotoxicity: The missing link between diabetes and periodontitis?

Yu Sun1,2,3, Yuanyuan Yin1,2,3, Sihan Yang1,2,3

  • 1College of Stomatology, Chongqing Medical University, Chongqing, China.

Journal of Periodontal Research
|February 29, 2024
PubMed
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Lipotoxicity, or harmful lipid accumulation, worsens periodontitis in diabetes. This review explores mechanisms and therapies like metformin to combat diabetes-associated gum disease.

Keywords:
apoptosisdiabetes mellitusfatty acidsoxidative stresspathologytype 2

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Area of Science:

  • Endocrinology and Metabolic Diseases
  • Oral and Dental Medicine
  • Pathophysiology

Background:

  • Lipotoxicity, the accumulation of lipids in non-adipose tissues, is a key factor in diabetes complications.
  • Evidence links lipotoxicity to the progression of non-alcoholic fatty liver disease and diabetic nephropathy.
  • Lipotoxicity significantly contributes to the adverse effects of diabetes on periodontal health.

Purpose of the Study:

  • To review current evidence on the detrimental effects of lipotoxicity on periodontitis.
  • To elucidate the molecular mechanisms underlying lipotoxicity-induced periodontitis.
  • To identify and evaluate therapeutic strategies targeting lipotoxicity for diabetes-associated periodontitis.

Main Methods:

  • Comprehensive review of in vivo, in vitro, and clinical studies.
  • Focus on molecular mechanisms including oxidative stress, endoplasmic reticulum stress, inflammation, ceramides, adipokines, and programmed cell death.
  • Analysis of therapeutic interventions and their clinical outcomes.

Main Results:

  • Lipotoxicity exacerbates periodontitis through oxidative stress, ER stress, inflammation, and altered cell death pathways.
  • Specific molecular mediators like ceramides and adipokines play crucial roles.
  • Several therapeutic agents (metformin, statins, liraglutide, adiponectin, omega-3 PUFA) show potential in managing lipotoxicity in periodontitis.

Conclusions:

  • Lipotoxicity is a critical factor in the pathogenesis of diabetes-associated periodontitis.
  • Targeting lipotoxicity offers a promising therapeutic avenue for this condition.
  • Further research is needed to fully understand mechanisms and optimize treatment strategies.