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Dipeptidase-1 governs renal inflammation during ischemia reperfusion injury

Importantly, the study also confirmed the mechanism of action of two DPEP-1 inhibitors, the LSALT peptide (Metablok) and cilastatin that effectively protected the kidney during ischemia reperfusion injury. Both the LSALT peptide and cilastatin are protected by composition and method of use patents for AKI respectively and held by Arch Biopartners.

Publication Details

AB569, a Novel, Topical Bactericidal Gel Formulation, Kills Pseudomonas aeruginosa and Promotes Wound Healing in a Murine Model of Burn Wound Infection


Amanda Barry, Warunya Panmanee, Daniel J. Hassett, Latha Satish


Cutaneous thermal injuries from burns/explosives are a major cause of morbidity and mortality and represent a monumental burden on our current health care system. Injury severity is predominantly due to potentially lethal sepsis caused by multidrug-resistant (MDR) bacteria such as Pseudomonas aeruginosa (MDR-PA). Thus, there is a critical need to develop novel and effective antimicrobials for the (i) prevention, (ii) treatment, and (iii) healing of such wounds that are complicated by MDR-P. aeruginosa and other bacterial infections. AB569 is a novel bactericidal tandem consisting of acidified NaNO2 (A-NO2–) and Na2-EDTA. Here, we first show that AB569 acts synergistically to kill all human burn wound ...

AB569, a non-toxic combination of acidified nitrite and EDTA, is effective at killing the notorious Iraq Afghanistan combat wound pathogens, multi-drug resistant Acinetobacter baumannii and Acinetobacter spp.


Amy L Bogue, Warunya Panmanee, Cameron T McDaniel, Joel E Mortensen, Edwin Kamau, Luis A Actis, Jay A Johannigman, Michael J Schurr, Latha Satish, Nalinikanth Kotagiri, Daniel J Hassett


Multi-drug resistant (MDR) Acinetobacter baumannii (Ab) and Acinetobacter spp. present monumental global health challenges. These organisms represent model Gram-negative pathogens with known antibiotic resistance and biofilm-forming properties. Herein, a novel, nontoxic biocide, AB569, consisting of acidified nitrite (A-NO2-) and ethylenediaminetetraacetic acid (EDTA), demonstrated bactericidal activity against all Ab and Acinetobacter spp. strains, respectively. Average fractional inhibitory concentrations (FICs) of 0.25 mM EDTA plus 4 mM A-NO2- were observed across several clinical reference and multiple combat wound isolates from the Iraq/Afghanistan wars. Importantly, toxicity testing on human dermal fibroblasts ...

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