Intracellular spermine prevents acid-induced uncoupling of Cx43 gap junction channels.
Neuroreport 2015 Jun;26(9):528-32
Departments of aPhysiology bBiochemistry, Universidad Central del Caribe, School of Medicine, Bayamón, Puerto Rico cDominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Yeshiva University, New York, New York, USA.

Quinine enhances the behavioral stimulant effect of cocaine in mice.
Pharmacol Biochem Behav 2015 Feb 5;129:26-33. Epub 2014 Dec 5.
Universidad Central del Caribe, School of Medicine, P.O. Box 60-327, Bayamón 00960-6032, Puerto Rico. Electronic address:

Polyamine transport by the polyspecific organic cation transporters OCT1, OCT2, and OCT3.
Mol Pharm 2013 Apr 19;10(4):1450-8. Epub 2013 Mar 19.
Department of Cell Biology and Physiology, and Center for Investigation of Membrane Excitability Diseases, Washington University School of Medicine, St. Louis, Missouri 63110, USA.

Platelets are responsible for the accumulation of β-amyloid in blood clots inside and around blood vessels in mouse brain after thrombosis.
Brain Res Bull 2017 01 28;128:98-105. Epub 2016 Nov 28.
Department of Physiology, School of Medicine, Universidad Central del Caribe, Bayamon, PR 00960-6032, (P.O. Box 60327), USA. Electronic address: