Pharmacology and clinical effect of platonin, a cyanine photosensitizing dye: Potential molecular targets

Jie Jen Lee, Chia Fu Chang, Joen Rong Sheu, Thanasekaran Jayakumar

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Platonin, a photosensitizing dye, is known to possess antioxidant and anti-inflammatory activity. Platonin has been used to treat trauma, ulcers and some acute inflammations and it also reported to improve blood circulation and reduce mortality in endotoxin-induced rat models. Our previous studies established that platonin suppresses the lipopolysaccharides (LPS)-induced inflammatory cytokines, including interleukin-1β (IL-1β), IL-6, tumor necrosis factor-α (TNF-α), and inducible nitric oxide synthase (iNOS). Nuclear factor-kB (NF-kB) and activator protein-1 (AP-1) transcription factors are reported to be essential in mediating the endotoxin-induced production of inflammatory molecules. In vivo studies from our groups revealed that platonin has potential effects on inhibiting pyrogen release, tissue damage and ischemia during heatstroke, ischemia reperfusion injury in lungs and also improve the survival of skin allografts in rats. Clinically, this compound has been proven to cure juvenile rheumatoid arthritis (JRA) and polyarteritis nodosa (PN). In this review, we summarize the pharmacological and clinical effects of platonin via describing the potential molecular mechanism of regulation of inflammatory molecules of mitogen-activated protein kinases (MAPKs), including extracellular regulated kinase (ERK), c-jun N-terminal kinase (JNK), and p38 MAPK and also NF-kB activation. Moreover, this paper discusses the signaling pathways expedited by NF-kB, AP-1, MAPKs and NO/NOS, these all have been reflected in inflammatory processes, and could be the encouraging molecular targets for the design of pharmaceutical drugs targeting antiinflammatory therapy.

Original languageEnglish
Pages (from-to)700-711
Number of pages12
JournalCurrent Pharmaceutical Biotechnology
Volume15
Issue number8
Publication statusPublished - Jan 1 2014

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Clinical Pharmacology
Coloring Agents
Transcription Factor AP-1
Mitogen-Activated Protein Kinases
Endotoxins
Anti-Inflammatory Agents
Heat Stroke
Pyrogens
Polyarteritis Nodosa
Juvenile Arthritis
JNK Mitogen-Activated Protein Kinases
Blood Circulation
p38 Mitogen-Activated Protein Kinases
Nitric Oxide Synthase Type II
Drug Delivery Systems
Reperfusion Injury
Interleukin-1
Ulcer
Allografts
Lipopolysaccharides

Keywords

  • Clinical application
  • Inflammatory event
  • Molecular target
  • Pharmacological property
  • Platonin

ASJC Scopus subject areas

  • Pharmaceutical Science
  • Biotechnology

Cite this

Pharmacology and clinical effect of platonin, a cyanine photosensitizing dye : Potential molecular targets. / Lee, Jie Jen; Chang, Chia Fu; Sheu, Joen Rong; Jayakumar, Thanasekaran.

In: Current Pharmaceutical Biotechnology, Vol. 15, No. 8, 01.01.2014, p. 700-711.

Research output: Contribution to journalArticle

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