The present invention relates IL-17RE antagonists, such as soluble receptors and anti-IL-17RE antibodies, that are useful in blocking, inhibiting, reducing, antagonizing or neutralizing the activity of IL-17C. IL-17C is a cytokine that is involved in inflammatory processes and human disease. IL-17RE is a receptor for IL-17C. The present invention includes soluble IL-17RE, anti-IL-17RE antibodies and binding partners, as well as methods for antagonizing IL-17C using such soluble receptors, antibodies and binding partners.