Sundararajan Mahalingam a, b, Ramesh Bellamkonda a, b, Kusum K. Kharbanda b, Ojeshvi Ethiraj b, Nagasundaram Nagarajan d, Chittibabu Guda d, Kanika Sharma e, Micah B. Schott b, Carol A. Casey a, b, c, Lorenzo Leggio f, g, h, i, Karuna Rasineni a, b, c, ⁎ 
a Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, United States
b Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, United States
c Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, United States
d Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, Omaha, NE, United States
e Mass Spectrometry Core, University of Nebraska Medical Center, Omaha, NE, United States
f Clinical Psychoneuroendocrinology and Neuropsychopharmacology Section, Translational Addiction Medicine Branch, National Institute on Drug Abuse, Intramural Research Program and National Institute on Alcohol Abuse and Alcoholism, Division of Intramural Clinical and Biological Research, National Institutes of Health, Baltimore and Bethesda, MD, United States
g Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI, United States
h Division of Addiction Medicine, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, United States
i Department of Neuroscience, Georgetown University Medical Center, Washington, DC, United States