Various aspects and embodiments disclosed herein relate generally to the modelling, treatment, reducing resistence to the treatment, prevention, and diagnosis of diseases/symptoms induced by multiple myeloma. Embodiments include methods of treating a bone related disease, comprising the steps of: administering to a subject at least one therapeutically effective dose of a compound disclosed herein.

An antimicrobial compound, as well as the salts, derivatives and analogues thereof, said compound being represented by the general formula (I):

##STR00001## wherein R.sub.1 represents a peptide part P1 or a peptide part P2.