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Trapped Neutrophil Syndrome

Body function:
Heart & Blood
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Trapped Neutrophil Syndrome (TNS) is an inherited autosomal recessive disease found in Border Collies. The condition is caused by a mutation in the Vesicle Protein Sorting 13B (VPS13B) gene, decreasing the production of white blood cells.
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A white dog with a friendly expression is looking up at the camera with its mouth open and tongue out. The dog's fur is slightly ruffled.

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