MS-1877

MS-1877

A 28-year-old man visits the medical center with symptoms of low-grade fever, fatigue, and unintentional weight loss of 4 pounds in the past month. He reports having a persistent cough and a sore throat. Upon further questioning, he discloses a history of intravenous drug use. His vital signs show a blood pressure of 112/72 mmHg, a heart rate of 92 beats per minute, and a temperature of 37.5 ºC. Laboratory results reveal a CD4 count of 380/mm 3.

Which cytokine is most likely decreased in this patient?