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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 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.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
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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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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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Carbohydrate Metabolism01:36

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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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Diabetes: Management and Pharmacotherapy01:15

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The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
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Related Experiment Video

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Author Spotlight: Understanding Retinal Vessel Resilience and Disease Progression
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Vitamin A: a missing link in diabetes?

Steven E Trasino1, Lorraine J Gudas1

  • 1Department of Pharmacology, Weill Cornell Medical College, New York, NY 10065, USA.

Diabetes Management (London, England)
|November 5, 2015
PubMed
Summary

Vitamin A plays a role in metabolism, with potential anti-obesity and anti-diabetic effects. This review explores the link between vitamin A and diabetes, including deficiency and metabolism impacts.

Keywords:
diabetesdietary nutrientglucose metabolisminsulinisletspancreasretinoic acidretinolvitamin Aβ cells

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Area of Science:

  • Endocrinology
  • Metabolic Science
  • Nutritional Science

Background:

  • Vitamin A is essential for embryonic development, immunity, and vision.
  • Emerging evidence links vitamin A to metabolic pathways involved in obesity and diabetes pathogenesis.
  • Interest is growing in vitamin A derivatives for potential anti-obesity and anti-diabetic applications.

Purpose of the Study:

  • To review current knowledge on the relationship between vitamin A and diabetes.
  • To explore the role of vitamin A deficiency and metabolism in diabetes development.
  • To discuss vitamin A's impact on common and atypical diabetes forms.

Main Methods:

  • Literature review of existing studies on vitamin A and metabolic diseases.
  • Analysis of recent data concerning vitamin A's role in diabetes.
  • Perspective on the clinical manifestations of diabetes in relation to vitamin A.

Main Results:

  • Vitamin A regulates metabolic pathways relevant to obesity and diabetes.
  • The contribution of vitamin A deficiency or altered metabolism to diabetes pathogenesis requires further investigation.
  • Vitamin A derivatives show promise for antiobesity and antidiabetic properties.

Conclusions:

  • Vitamin A is a key regulator of metabolic pathways implicated in diabetes.
  • Further research is needed to clarify the role of vitamin A status in diabetes development and management.
  • Understanding the vitamin A-diabetes axis may offer new therapeutic strategies.