LABORATÓRIO DE PROLIFERAÇÃO E DIFERENCIAÇÃO CELULAR

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 Radovan Borojevic

A History!

versão em português

            Radovan Borojevic was born in Croatia on 16 November 1940 to a Serb military and a      Croatian pianist. He grew up and went to school in Zagreb, surrounded by intellectuals, such as his grandfather, who was an expert in Law and his greatgrandfather, who was Sigmund Freud’s contemporary in psychoanalytical studies. Even though his education was oriented to Mathematics  and Humanities, with special emphasis on Latin and Greek, at the Classical School in Zagreb, he later opted for the Natural Sciences. From the time he spent in Zagreb he inherited persistance at work and a broad approach to human knowledge.

            He read Biology at the Sciences Faculty at the University of Zagreb, being active in Marine Biology  Studies at the Institutes of Rovinj and Dubrovnik by the Adriatic Sea. While still an undergraduate student he was granted a scholarship at the University of Strasburg. It was at the Zoology Institute at this University that the then young student was lucky to meet Professor Levi and begin his studies in Taxonomy, Evolution and Ecology of the Calcarea Sponges. Professor Levi’s influence was determinant in his scientific education, sharpening  his curiosity and teaching him discipline and methodology, crucial features in the make-up of a scientist and a mature individual. Thus, even before his graduation he began to turn gradually into one of the most important specialists in the Porifera Phylum. The choice of Calcarea Sponges as a model of study influenced the course of his scientific life significantly, making him begin thinking about the model of primitive multi cellular organization and the starting  point for the evolution of Metazoa.

            In 1963 he earned his “Diplôme d’Études Supérieures” from the Science Faculty at  Strasburg University. In that same year he took over the position of researcher at the  French National Counsil for Scientific Research  FNCSR). In 1968 he was granted his Doctorate’s degree in Sciences from the University of Paris, deepening his studies on evolution, cellular differentiation and morphogenesis of multi cellular organisms.

            The confidence in the coherence of his thoughts gave him courage to publish his Doctoral thesis in the renowned journal entitled Developmental Biology in 1966. His research  brought up a revolutionary  rather than an orthodox view of evolution, which went against the view of  Haeckel and von Baer. His hypothesis  was later confirmed through genetic and molecular studies developed by his students and followers, corroborating his premises. These data earned him international recognition through an award by the Developmental Biology Society in Calgary, Canada. This was the recognition of the value of his ideas, which have been verified by a greater and greater number of scientific papers about animal origin and evolution.

            Still in 1968, he was active in the setting up and organization of a new Biology Laboratory of Marine Invertebrates at Paris’s National Natural History Museum, together with Professor Levi, then appointed Full Professor at that Institution. The project was, however,  prematuraly interrupted as a consequence of a revolutionary Sorbonne, dictating the political and social positions of the moment.  As a naturalized French citizen, he was drafted to serve in the Technical and Scientific Cooperation for the French government. He was sent to the University of Pernambuco, where he was in charge of researchers at the Sea Sciences Laboratory at the Federal University of Pernambuco. He accepted the challenge posed by the Brazilian Navy to evaluate the regional fishing resources. It was then possible for him to contrast the wonderful landscape of the Atlantic coast with the health and nutrition problems of the natives of the tropical and sub-tropical regions. Brazil’s natural beauty along with the merry people, so poor in resources, made him decide to stay.

            With the clear intention of putting his scientific knowledge to the service of the improvement in the quality of life of the needy, in 1971 he accepted the proposal made by France’s Service of Technical Scientific Cooperation and by Rio de Janeiro’s Navy Research Institute. His challenge was to organize the latter´s Experimental Biology Laboratory. Several Brazilian researchers were supervised by him in their studies of marine resources. At that time he was responsible for the development of  “in vitro” models of Schistosomal infection. From his close collaboration with UFMG’s  Professor José Pelegrino, he got a great interest in Parasitic Biology and Cellular Pathology. This work made him go back to the models of study in the control of cellular proliferation and differentiation and morphogenesis  (in the case of tissue pathological lesions), which had been put aside when he finished his doctoral studies in the troubled Paris of 1968.

            At that same time France’s Service of Technical  Scientific Cooperation, together with Gonçalo  Moniz Foundation, was developing a abroad research project on Schistosomal infection in Bahia. Later, appointed by the French Embassy as responsible for the project, Radovan strengthened collaboration with France througth research with the Laboratory of  Parasitic Biology and Immunology at the Pasteur Institute in Lille ( Porf. Capron) and  the Laboratory of Cellular Pathology in the  Pasteur Institute in Lyon ( Prof. Grimaud). Between 1972 and 1978, this cooperative project developed vast epidemiological and immunopathological studies. The World Health Organization, recognized the importance of the project and  appointed him external counsellor for WHO. In that period he developed studies in general and applied Immunology as well as studies in Ultra Estructural Citology and Citopathology in collaboration with Dr. Grimaud.

            He was drafted in 1978 by  France’s Service of Technical  Scientific Cooperation to serve in the Reza Pahlev Institute in Teheran in collaboration with the Pasteur Institute. His decision to refuse the call and leave the  Cooperation was a result of the fact that he no longer wished to be involved with administrative work that had already taken him a great deal of his time. As a matter of fact, his wish was to go back full time to fundamental scientific research. Thus, he  again applied for the position of researcher with the National Counsil for Scientific Research in France (NCSRF) and tried to pursue his academic career at Santa Ursula University, where he was invited to expand the Human Biology Department. He then started investigating  the dinamics of mobilization of inflammatory cells and the myelopoiesis under both normal  and pathological conditions. Even though he kept the collaboration with the Pathology Unit of the Pasteur Institute in Lyon, he felt the structural limitations for the development of fundamental research in a private institution. Finally, in 1980 he accepted the invitation to be a visiting Professor at the Biochemistry Department of the Chemistry Institute at the Federal University of Rio de Janeiro.

            The agreement with  the Pasteur Institute enabled him to participate more intensively in the Biochemistry Department and collaborate with Dr. Grimaud’s team. With time, it became difficult to be in both laboratories, since the teaching in the Biochemistry Pos-graduation course and the challenge to form a new research staff at Federal University demanded his presence in Rio de Janeiro. At the  same time the Pasteur Institute and  the NCSRF were clear about their wish to count on him  in Lyon. Once again aware of the risks and the advantages involved, he took the decision to quit the NCRS and sit a public examination to become an Associate Professor at the Biochemistry Department in 1986. He later became a Full Professor in that same Department in 1994.

            In this department in 1988 he divised and set up the first and only Latin American Bank of Cells, which he still directs. The bank is now located at the Clementino Fraga Filho University Hospital and has a collection of two hundred different lineages. At the same time, together with Professor Maria Helena Nicola from the Chemistry Federal Technical School of Rio de Janeiro, he created the first Biotechnology Course in Brazil. This iniciative allowed talented young people to be absorbed by the market and be fully accepted as undergraduate students in Biomedical Courses at Federal Universities.

            His vast knowledge in Cell Biology, as well as the experience he gained in  Experimental Hematology, led him to a striking partnership with Professor Halley Pacheco in 1994 and to the  creation of the first group of bone marrow autologous transplantation. In this  project he also set up the first service of cryopreservation and quality control of  hematopoietic  progenitors  before and after freezing. The  fact that the service was implemented and is  still working enabled him to found the Umbilical Cord  Blood Bank in 2000.

            This time spent at the Chemistry Institute was a very productive one. He was active in the organization and installation of the Biotechnology Centre (Bio-Rio), both as a member of its the Executive Committee and as a Permanent Member and Scientific Coordinator of  Direction. As an open-minded scientist he could not turn down the opportunity to support the relationship between the scientific and   the production sectors.

            The constant handling of human cells together with the accumulated experience of years dedicated to Cell Biology and to bone marrow transplantation made him a pioneer in the study of stem cells in Brazil. In the 90`s scientists from all over the world were still beginning to notice  the enormous potential  presented by stem cells. His ample view of science and an interdisciplinary approach allowed him to create and coordinate cellular therapies involving skin and its substitutes, bone and cartilage cellular therapies and heart therapies.

            The fact that in 1997 he moved to the Histology and Embriology Department in the Biomedical Institutes at UFRJ placed him closer to other researchers in the health area both from the Health Sciences Center and the University Hospital. This physical proximity allowed for the creation of the Advanced Programme in Cell Biology Applied to Medicine and the implementation of Cellular Therapy Services. The heart therapies developed in collaboration with Pro-cardíaco Hospital in Rio de Janeiro had extremely significant results. As a consequence of this work he won the Scientist of the Year Award by “O Globo”  newspaper in 2003.

            His work in  bone and cartilage therapies is still in full progress, making him fulfill his dream of Science in favour of health and be more and more sure that research is done collectively. To  quote Radovan himself, “nobody does science alone, I  represent a group that works together.”

            A nature observer and expert in cell differentiation and morphogenesis of multi cellular organisms this great master has supervised hundreds of students and published countless papers, providing us with his constant presence and willingness to help with teaching suggestions and a great capacity to put the science to the service of all of those who depend on it.

            All of us Brazilians have a lot thank this Croatian, French, Pernambucano, Carioca and Baiano citzen, for we  believe that the  seeds he has planted are bearing fruit in the labs of several Universities, in the public and private hospitals and, mainly, in the minds of all students who have had the privilege to work with him.

Márcia Cury El Cheikh

                                                                Michelle Klautau

 

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