The present disclosure relates to peptide compounds and conjugate compounds, processes, methods and uses thereof for treating inflammation. For example, the compounds can comprise compounds; IKLSGGVQAKAGVINMDKSESM, formula (V) as set forth in SEQ ID NO: 5, GVRAKAGVRN(Nle)FKSESY, formula (X) as set forth in SEQ ID NO: 10 and YKSLRRK.APRWDAPLRDPALRQLL, formula (XI) as set forth in SEQ ID NO: 11 wherein at least one protecting group and/or at least one labelling agent is connected to said peptide compound at an N- and/or C-terminal end, for use in inhibiting or decreasing TNF-alpha-induced COX-2 expression in cells expression sortilin.