His research group focuses on the biochemistry of protein cross-linking transglutaminase enzymes and molecular mechanisms in cell death and disease developments; published 190 papers which were cited close to 6000 times. He was visiting professor at the University of Texas and the University of Rome, coordinated major European projects of COST, ESF and EU-Frame Work programs.
He became member of the Hungarian Academy of Sciences in 1998, chaired its Science and Ethics Committee (2008-2014) and was elected to chair the Biology section of the Academy (2014). He was chairman of the Hungarian Accreditation Committee for Higher Education (2004-2007) and the Hungarian Biochemical Society (2005-2015).