A protein called Ptpn6 helps control whether the body can respond to insulin properly or becomes insulin-resistant in zebrafish with high insulin levels.

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Evidence from Studies

Supporting (1)

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Hyperinsulinemia induces insulin resistance and immune suppression via Ptpn6/Shp1 in zebrafish.

Cross-Sectional Study

Animal

2014 Aug

The study shows that when zebrafish have high insulin levels, they become insulin-resistant and the ptpn6 gene becomes more active. When researchers reduced ptpn6 activity, the fish stayed sensitive to insulin even when exposed to high levels. This proves ptpn6 acts as a 'middleman' that helps cause the switch from insulin-sensitive to insulin-resistant states.

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Source Study

Hyperinsulinemia induces insulin resistance and immune suppression via Ptpn6/Shp1 in zebrafish.

Score: 6

DOI: 10.1530/JOE-14-0178

Similar Assertions

Scientists found that turning off a specific gene called ptpn6 can fix the problems that too much insulin causes in baby zebrafish - specifically, it helps restore their immune system and insulin signaling that get messed up when there's too much insulin.

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Scientists found that a specific gene called ptpn6 (or Shp1) is more active than usual in zebrafish babies with insulin resistance, which goes against what usually happens to immune genes when there's too much insulin.

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Scientists use tiny zebrafish with a condition similar to high insulin levels to study how insulin resistance works and how the immune system affects metabolic diseases, without needing obese animals.

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