IL1B and diabetic retinopathy: Interleukin-1β (IL-1β) has emerged as one of the most prominent pro-inflammatory cytokines associated with diabetic retinopathy (Yoshida et al., 2004; Sfikakis et al., 2005; Demircan et al., 2006; Joussen et al., 2009; Li et al., 2009; Garber and Zhu, 2023).