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Red Panda Hormone Blocks Human Amyloid Protein Clumping In Lab Tests

A lab study found a red panda hormone can block the protein clumping tied to type 2 diabetes, hinting at new drug design targets.

By Dr. Axe Editorial Team · October 17, 2026 · 1 source · Watch

Photo: Pexels

A lab study published October 16, 2026 in the Journal of Peptide Science found that a hormone from red pandas can block human amyloid protein from clumping together, the protein buildup linked to type 2 diabetes.

Researchers studied human islet amyloid polypeptide (hIAPP), a 37-amino-acid hormone released alongside insulin from pancreatic cells that misfolds and clumps into toxic amyloid fibrils in type 2 diabetes. Using a fluorescent dye test for amyloid buildup, a light-based technique that reads protein shape, and a high-resolution imaging method that maps fibril structure, the team tested whether a hormone from red pandas (Ailurus fulgens) could stop this clumping. Red panda IAPP blocked human IAPP fibril formation at substoichiometric concentrations, meaning less red panda hormone than human hormone was needed, with meaningful blocking activity at a ratio as low as 1:0.5 (hIAPP to rpIAPP), half as much red panda hormone as human hormone.

The authors state this places red panda IAPP among the more potent non-human IAPP blockers identified to date, following earlier work on raccoon and chicken versions of the same hormone. In type 2 diabetes, these amyloid clumps are thought to damage and kill the insulin-producing cells of the pancreas over time, which is why blocking the clumping step is considered a drug target. The authors propose red panda IAPP as a possible starting structure for future peptide-based drugs against this amyloid buildup.

Lowest effective blocking ratio

Journal of Peptide Science, 2026, Phillips et al.

This research was entirely test-tube based, using purified proteins and lab instruments, with no animal or human testing of red panda IAPP itself. Whether this blocking effect would hold up inside a living pancreas remains unknown.

Dr. Axe’s Take

This is chemistry, not a diabetes treatment, and I would not use it today. Hormones from raccoons, chickens, and now red pandas all interrupt the clumping process behind pancreatic cell damage in type 2 diabetes, which tells me amyloid buildup is a legitimate drug target, separate from blood sugar control. For anyone managing insulin resistance now, I would stay focused on what protects pancreatic function: a whole-food diet low in refined sugar, resistance training, and quality sleep. Watch this research, but do not wait on it.

— Dr. Axe

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Study summary

Who: Lab study using purified human and red panda islet amyloid polypeptide; no human or animal subjects
Design: In-vitro biophysical study using thioflavin T fluorescence, circular dichroism spectroscopy and atomic force microscopy
Dose: Molar ratios tested down to 1:0.5 (hIAPP:rpIAPP)
Primary result: Red panda IAPP inhibited human IAPP fibril formation at substoichiometric concentrations, with meaningful activity at a 1:0.5 ratio
Secondary: Authors describe red panda IAPP as one of the more potent non-human IAPP inhibitors characterized to date, following raccoon and chicken IAPP findings
Funding / conflicts: Funder listed in the journal record: National Institutes of Health. Conflicts not reported in the abstract.
Date: Oct 16, 2026