Template:Pancreas islet species comparison table

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Pancreas Islet Species Comparison
Species Age Islet size (μm) β-cell ratio
Human 39 years (adult) 50 ± 29 0.64 ± 0.21
Monkey 1 year 67 ± 38* 0.79 ± 0.14*
Pig 6 month 49 ± 15a 0.89 ± 0.11*
Rabbit 6 month 64 ± 28* 0.79 ± 0.17*
Bird 40 day 24 ± 6* 0.46 ± 0.24*
Wild-type mouse 6 month 116 ± 80* 0.85 ± 0.14*
Pregnant mouse 3 month 112 ± 94* 0.84 ± 0.22*
ob/ob mouse 15 week 86 ± 76* 0.92 ± 0.11*
db/db mouse 15 week 47 ± 24b 0.53 ± 0.24c

*p < 0.0001 ap = 0.65 bp = 0.42 cp = 0.0004 compared with human.

  • Islet size is described as an effective diameter of a circle, which depicts the same area as a measured islet area.
  • β-cell ratio is the area ratio of β-cells in an islet.
  • Both data sets are expressed as the mean value with its standard deviation.
Reference: [1]
  1. Kim A, Miller K, Jo J, Kilimnik G, Wojcik P & Hara M. (2009). Islet architecture: A comparative study. Islets , 1, 129-36. PMID: 20606719 DOI.