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Updated: May 16, 2026

Methods to Assess Beta Cell Death Mediated by Cytotoxic T Lymphocytes
Published on: June 16, 2011
Can we prevent beta cell apoptosis in type 2 diabetes?
Freddy Goldberg Eliaschewitz1, Marcos Antonio Tambascia
1Freddy Goldberg Eliaschewitz, Hospital Albert Einstein, São Paulo, Brazil; CPClin Clinical Research Center, São Paulo, Brazil, CEP-01244-030. freddy.g@uol.com.br.
Abstract:
Since the publication of the United Kingdom Prospective Diabetes Study (UKPDS), the progressive nature of type 2 (DM2) diabetes has been identified as the main cause of failure to maintain a long term glycemic control.[1] The need to adjust treatment as the disease progressed was recognized and algorithms for treatments in line with this concept were developed.[2] The UKPDS showed that the progressive character of the disease results from a steady reduction, of approximately 5% per year, in the ability of beta cells to secrete insulin, a process estimated to begin 10 to 12 years before diagnosis, which triggers the onset of diabetes when approximately 50% of beta cell function has been lost. [1] Copyright © 2012 John Wiley & Sons, Ltd.
Insights
Type 2 diabetes (DM2) progression causes long-term glycemic control failure due to declining beta-cell insulin secretion. Treatment adjustments are necessary as the disease advances, as highlighted by the UKPDS study.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Diabetes Research
Background:
- The United Kingdom Prospective Diabetes Study (UKPDS) identified the progressive nature of type 2 diabetes (DM2) as a primary reason for failing to achieve long-term glycemic control.
- This progression is characterized by a continuous decline in beta-cell function, leading to insulin deficiency.
Purpose of the Study:
- To underscore the importance of understanding the progressive nature of type 2 diabetes.
- To highlight the necessity of adaptive treatment strategies in managing long-term glycemic control.
Main Methods:
- Analysis of data and findings from the United Kingdom Prospective Diabetes Study (UKPDS).
- Review of established knowledge regarding beta-cell function decline in type 2 diabetes.
Main Results:
- Type 2 diabetes progression involves an annual reduction of approximately 5% in beta-cell insulin secretion capacity.
- Significant beta-cell function loss (around 50%) precedes the clinical diagnosis of diabetes.
- This decline in function begins 10-12 years prior to diagnosis.
Conclusions:
- The progressive decline in beta-cell function is a fundamental aspect of type 2 diabetes pathophysiology.
- Effective long-term management of type 2 diabetes requires treatment regimens that account for disease progression and declining beta-cell function.
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