Reference ranges for lymphocyte subsets in healthy adult male Omanis.

Objective: To determine the reference ranges of lymphocyte subsets in serologically HIV-seronegative healthy male adults in Oman.

Methods: A cohort, of 118 healthy male blood donors ranging in age from 18-51 years, was included in the study. The average age was 25 years.

Rheumatoid arthritis, cytokines and hypoxia. What is the link?

Rheumatoid arthritis (RA) is a chronic systemic inflammatory disorder that affects approximately 1% of the population, in a female to male ratio of 3:1. The disease can occur at any age, but it is most common among those aged 40-70 years. Despite many years of study, the etiology of RA is still undefined.