Elien Smeets, Shengyun Huang, Xiao Yin Lee, Erika Van Nieuwenhove, Christine Helsen, Florian Handle, Lisa Moris, Sarah El Kharraz, Roy Eerlings, Wout Devlies, Mathijs Willemsen, Leoni Bücken, Teresa Prezzemolo, Stephanie Humblet-Baron, Arnout Voet, Anne Rochtus, Ann Van Schepdael, Francis de Zegher, Frank Claessens
BACKGROUND: Cytochrome P450 4F3 (CYP4F3) is an ω-hydroxylase that oxidizes leukotriene B4 (LTB4), prostaglandins, and fatty acid epoxides. LTB4 is synthesized by leukocytes and acts as a chemoattractant for neutrophils, making it an essential component of the innate immune system. Recently, involvement of the LTB4 pathway was reported in various immunological disorders such as asthma, arthritis, and inflammatory bowel disease. We report a 26-year-old female with a complex immune phenotype, mainly marked by exhaustion, muscle weakness, and inflammation-related conditions...
August 2022: Journal of Cachexia, Sarcopenia and Muscle