Many cats develop chronic renal disorders as they age. As chronic renal disorders progress, the secretion of erythropoietin (EPO), a hematopoietic factor produced in the kidneys, is decreased, which causes renal anemia. Veterinary medicine, until now, has only had an option of using erythropoietin (human EPO) derived from human amino acid sequence to treat severe renal anemia. However, since human EPO is a heterologous protein for cats, there has been an issue of adverse reactions such as allergic reactions. Therefore, there has been a great demand for a renal anemia remedy with a low level of adverse reactions for cats, that can lower the burden on both cats and their owners.
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Source: Phys.org