Janaka Wansapura, Ph.D.

• Arterial Spin Labeling based perfusion
• Magnetic Resonance Fingerprinting
• MRI temperature mapping
• T1, T2 and Gd based quantification of fibrosis

Featured Publications

A novel ultrasound technique to detect early chronic kidney disease.

Hewadikaram DK, Bandara M, Pattivedana AN, Jayaweera HHE, Jayananda KM, Madhavi WAM, Pallewatte A, Jayasumana C, Siribaddana S, Wansapura JP, F1000Res 2018 7 448

Sickle cell anemia mice develop a unique cardiomyopathy with restrictive physiology.

Bakeer N, James J, Roy S, Wansapura J, Shanmukhappa SK, Lorenz JN, Osinska H, Backer K, Huby AC, Shrestha A, Niss O, Fleck R, Quinn CT, Taylor MD, Purevjav E, Aronow BJ, Towbin JA, Malik P, Proc. Natl. Acad. Sci. U.S.A. 2016 08 113 35 E5182-91

Quantitative myocardial perfusion in mice based on the signal intensity of flow sensitized CMR.

Abeykoon S, Sargent M, Wansapura JP, J Cardiovasc Magn Reson 2012 Oct 14 73

Magnetic resonance imaging assessment of cardiac dysfunction in d-sarcoglycan null mice.

Wansapura JP, Millay DP, Dunn RS, Molkentin JD, Benson DW, Neuromuscul. Disord. 2011 Jan 21 1 68-73

Cyclic variation of T1 in the myocardium at 3 T.

Wansapura J, Gottliebson W, Crotty E, Fleck R, Magn Reson Imaging 2006 Sep 24 7 889-93

Temperature mapping of frozen tissue using eddy current compensated half excitation RF pulses.

Wansapura JP, Daniel BL, Pauly J, Butts K, Magn Reson Med 2001 Nov 46 5 985-92

Genetic diminution of circulating prothrombin ameliorates multi-organ pathologies in sickle cell disease mice.

Arumugam PI, Mullins ES, Shanmukhappa SK, Monia BP, Loberg A, Shaw MA, Rizvi T, Wansapura J, Degen JL, Malik P Blood 2015 Aug

Methodology for implementing patient-specific spatial boundary condition during a cardiac cycle from phase-contrast MRI for hemodynamic assessment.

Das A, Wansapura JP, Gottliebson WM, Banerjee RK, Med Image Anal 2015 Jan 19 1 121-36

Disturbance in Z-disk mechanosensitive proteins induced by a persistent mutant myopalladin causes familial restrictive cardiomyopathy.

Huby AC, Mendsaikhan U, Takagi K, Martherus R, Wansapura J, Gong N, Osinska H, James JF, Kramer K, Saito K, Robbins J, Khuchua Z, Towbin JA, Purevjav E, J. Am. Coll. Cardiol. 2014 Dec 64 25 2765-76

Asymmetric cell-matrix and biomechanical abnormalities in elastin insufficiency induced aortopathy.

Krishnamurthy VK, Evans AN, Wansapura JP, Osinska H, Maddy KE, Biechler SV, Narmoneva DA, Goodwin RL, Hinton RB, Ann Biomed Eng 2014 Oct 42 10 2014-28

• Presidential Award for Scientific Publications
  National Research Council, Sri Lanka (2018)
• Senate Award for Research Excellence
  University of Colombo (2016)
• Mentored Career Development Award
  National Institute of Health, Bethesda, MD (2009)
• Finalist, Young Investigator Award
  Association for the Advancement of Medical Instrumentation (AAMI), Baltimore (2001)
• Justin Samarasekera Award for the most outstanding student of the year
  University of Colombo, Sri Lanka (1991)