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2016 ; 7
(51
): 84338-84358
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H2S-releasing nanoemulsions: a new formulation to inhibit tumor cells
proliferation and improve tissue repair
#MMPMID27741519
Ciocci M
; Iorio E
; Carotenuto F
; Khashoggi HA
; Nanni F
; Melino S
Oncotarget
2016[Dec]; 7
(51
): 84338-84358
PMID27741519
show ga
The improvement of solubility and/or dissolution rate of poorly soluble natural
compounds is an ideal strategy to make them optimal candidates as new potential
drugs. Accordingly, the allyl sulfur compounds and omega-3 fatty acids are
natural hydrophobic compounds that exhibit two important combined properties:
cardiovascular protection and antitumor activity. Here, we have synthesized and
characterized a novel formulation of diallyl disulfide (DADS) and ?-linolenic
acid (ALA) as protein-nanoemulsions (BAD-NEs), using ultrasounds. BAD-NEs are
stable over time at room temperature and show antioxidant and radical scavenging
property. These NEs are also optimal H2S slow-release donors and show a
significant anti-proliferative effect on different human cancer cell lines: MCF-7
breast cancer and HuT 78 T-cell lymphoma cells. BAD-NEs are able to regulate the
ERK1/2 pathway, inducing apoptosis and cell cycle arrest at the G0/G1 phase. We
have also investigated their effect on cell proliferation of human adult
stem/progenitor cells. Interestingly, BAD-NEs are able to improve the Lin- Sca1+
human cardiac progenitor cells (hCPC) proliferation. This stem cell growth
stimulation is combined with the expression and activation of proteins involved
in tissue-repair, such as P-AKT, ?-sma and connexin 43. Altogether, our results
suggest that these antioxidant nanoemulsions might have potential application in
selective cancer therapy and for promoting the muscle tissue repair.