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2017 ; 8
(ä): 224
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Pharmacological Activity and Clinical Use of PDRN
#MMPMID28491036
Squadrito F
; Bitto A
; Irrera N
; Pizzino G
; Pallio G
; Minutoli L
; Altavilla D
Front Pharmacol
2017[]; 8
(ä): 224
PMID28491036
show ga
PDRN is a proprietary and registered drug that possesses several activities:
tissue repairing, anti-ischemic, and anti-inflammatory. These therapeutic
properties suggest its use in regenerative medicine and in diabetic foot ulcers.
PDRN holds a mixture of deoxyribonucleotides with molecular weights ranging
between 50 and 1,500 KDa, it is derived from a controlled purification and
sterilization process of Oncorhynchus mykiss (Salmon Trout) or Oncorhynchus keta
(Chum Salmon) sperm DNA. The procedure guarantees the absence of active protein
and peptides that may cause immune reactions. In vitro and in vivo experiments
have suggested that PDRN most relevant mechanism of action is the engagement of
adenosine A(2A) receptors. Besides engaging the A(2A) receptor, PDRN offers
nucleosides and nucleotides for the so called "salvage pathway." The binding to
adenosine A(2A) receptors is a unique property of PDRN and seems to be linked to
DNA origin, molecular weight and manufacturing process. In this context, PDRN
represents a new advancement in the pharmacotherapy. In fact adenosine and
dipyridamole are non-selective activators of adenosine receptors and they may
cause unwanted side effects; while regadenoson, the only other A(2A) receptor
agonist available, has been approved by the FDA as a pharmacological stress agent
in myocardial perfusion imaging. Finally, defibrotide, another drug composed by a
mixture of oligonucleotides, has different molecular weight, a DNA of different
origin and does not share the same wound healing stimulating effects of PDRN. The
present review analyses the more relevant experimental and clinical evidences
carried out to characterize PDRN therapeutic effects.