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Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

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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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Diabetes Mellitus: Type 2 and Gestational01:22

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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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Insulin: Dosing Regimen and Adverse Effects01:16

Insulin: Dosing Regimen and Adverse Effects

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Insulin-replacement therapy usually includes both long-acting insulin (basal) and short-acting insulin (to cater to postprandial needs). In a diverse group of type 1 diabetes patients, the average daily insulin dose is typically 0.5-0.7 units/kg body weight. However, obese patients and pubertal adolescents may need more due to insulin resistance.
The basal dose constitutes about 40%-50% of the total daily dose, with the rest as premeal insulin. The mealtime insulin dose should mirror...
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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.
Insulin remains the cornerstone of treatment for most patients with type 1 and many...
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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.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
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Carbohydrate Metabolism01:36

Carbohydrate Metabolism

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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.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
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Isolation of Human Islets from Partially Pancreatectomized Patients
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第1型糖尿病:一个回顾

Laura M Jacobsen1, Desmond A Schatz1

  • 1Departments of Pediatrics and Pathology, University of Florida Diabetes Institute, University of Florida College of Medicine, Gainesville.

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概括
此摘要是机器生成的。

1型糖尿病是一种自身免疫性疾病,导致高血糖和胰岛素缺乏,影响全球数百万人. 通过自身抗体及先进的胰岛素疗法 (如持续血糖监测器) 的早期检测可以改善患者的治疗结果.

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Leprdb Mouse Model of Type 2 Diabetes: Pancreatic Islet Isolation and Live-cell 2-Photon Imaging Of Intact Islets
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相关实验视频

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科学领域:

  • 内分泌学 在内分泌学.
  • 免疫学 免疫学 免疫学
  • 代谢障碍 代谢障碍 代谢障碍

背景情况:

  • 1型糖尿病 (T1D) 是一种自身免疫性疾病,其特征是胰腺β细胞的破坏,导致胰岛素缺乏和高血糖症.
  • 它占所有糖尿病病例的5-10%,影响全球数百万人,并导致显著的微血管和宏血管并发症.
  • 存在特定的自身抗体,如抗GAD65和抗ZnT8,是T1D的标志,通常在临床诊断之前.

研究的目的:

  • 总结1型糖尿病的关键方面,包括其定义,流行率,诊断标志物和当前的治疗策略.
  • 突出自抗体在早期T1D检测中的作用以及先进的胰岛素输送系统对血糖控制的影响.

主要方法:

  • 文献综述和综合有关1型糖尿病流行病学,病理生理学和临床管理的现有数据.
  • 对随机临床试验调查连续血糖监测器和胰岛素的研究结果的分析.

主要成果:

  • 1型糖尿病的诊断是通过高血糖和90-95%的患者存在小岛自身抗体.
  • 与胰岛素相结合的持续血糖监测显著降低低血糖并改善HbA1c水平,特别是在基线水平较高的个体中.
  • 终身胰岛素替代疗法仍然是T1D管理的基石.

结论:

  • 1型糖尿病需要终身胰岛素治疗,先进的技术可以改善血糖控制并减少并发症.
  • 自体抗体检测对于早期诊断和区分T1D与其他糖尿病类型至关重要.
  • 进一步研究T1D病原和新的治疗策略对于改善患者的治疗结果至关重要.