A.T. Robertson Commentary 2 Timothy 2:8

"Remember Jesus Christ, risen from the dead, of the seed of David, according to my gospel:" — 2 Timothy 2:8 (ASV)

Risen from the dead (εγηγερμενον εκ νεκρων). Perfect passive participle of εγειρω, still risen as the perfect tense shows in 1 Corinthians 15:4,12-20. Predicate accusative. "Remember Jesus Christ as risen from the dead." This is the cardinal fact about Christ that proves his claim to be the Messiah, the Son of God. Christ is central for Paul here as in Php 2:5-11.

Of the seed of David (εκ σπερματος Δαυειδ). The humanity of Christ as in Ro 1:3; Php 2:7f.

According to my gospel (κατα το ευαγγελιον μου). Paul's very phrase in Ro 2:16; 16:25. Not a written gospel, but my message. See also 1 Corinthians 15:1; 2 Corinthians 11:7; Galatians 1:11; 2:2; 1 Timothy 1:11.