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(a) Immunoblot for expression profile of TLR-4, NF-kB p105 and p50, and GAPDH measured in wound tissues day 2 and day 5 p.w. (b),(c) Mean values of densitometric quantification of TLR-4, NF-kB, respectively. (c, inset) Bacterial load of wounds. (U): Uninfected, (I): Untreated infected and (P): Infected wounds treated with pl-cp6 and exposed to red light (660 ± 25 nm) fluence of ∼60 J/cm2, as described in section 2.4.
