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Related Experiment Video

Updated: Jun 25, 2026

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[Effect of triglycerides on rat islet cell function in vitro].

Zi-ying Zhu1, Yao-ming Xue, Yi-zhen Jiang

  • 1Department of Endocrinology, Nanfang Hospital, First Military Medical University, Guangzhou 510515, China.

Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA
|June 18, 2003
PubMed
Summary

High triglyceride levels in vitro can cause fat droplet accumulation in rat islet cells. This may impair the cells' ability to secrete insulin, particularly under high glucose conditions.

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Area of Science:

  • Endocrinology
  • Cell Biology
  • Metabolic Research

Background:

  • Triglycerides (TGs) are key lipids affecting metabolic health.
  • Islet cells are crucial for insulin production and glucose homeostasis.
  • Understanding TG impact on islet cells is vital for metabolic disease research.

Purpose of the Study:

  • To investigate the functional effects of triglycerides on in vitro cultured rat islet cells.
  • To determine if TGs influence insulin secretion and cellular morphology.

Main Methods:

  • Rat islet cells were cultured and exposed to varying concentrations of TGs for 72 hours.
  • Insulin secretion was assessed via glucose loading tests.
  • Fat droplet deposition was visualized using Oil Red O staining.

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Last Updated: Jun 25, 2026

Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets
09:31

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Published on: June 25, 2012

A Model of Chronic Nutrient Infusion in the Rat
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Published on: August 14, 2013

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Main Results:

  • Triglycerides did not affect islet cells at low glucose levels.
  • Higher TG concentrations (5.0, 10.0 mmol/L) significantly inhibited insulin secretion under high glucose stimulation (27.8 mmol/L).
  • Increased fat droplet accumulation was observed in islet cells with higher TG concentrations.

Conclusions:

  • In vitro exposure to triglycerides induces fat droplet deposition in rat islet cells.
  • Triglycerides may impair the insulin-secreting function of islet cells, especially under hyperglycemic conditions.