Prof. Dr. Bjorn Reino Olsen Dean for Research and Professor of Developmental Biology; Hersey...
Transcript of Prof. Dr. Bjorn Reino Olsen Dean for Research and Professor of Developmental Biology; Hersey...
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Prof. Dr. Bjorn Reino Olsen
Dean for Research and Professor of Developmental Biology; Hersey
Professor of Cell BiologyHarvard School of Dental Medicine
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Neden Dr. Olsen?
• Dünyaca tanınmış bir bilim adamı.• Yayınlarına tıp fakültesi öğrencisiyken
yapmaya başlamıştır (sizin de yapacağınız gibi).
• SCI kapsamında 339 tane yayını var (sunum yapıldığı zamanki sayı)
• Hocamın hocası olduğu için
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Dr. Olsen
Dr. Ninomiya01.01.1949 – 28.02.2014
Dr. Hirohata Dr. Çilek
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How a student’s interest in science
developed into
a life-long passion for discovery
Skien, Norway 1957
Jerusalem, Israel 2011
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What did I do in high school?
I read a lot of novels (by Norwegian, Swedish, Danish, Russian, German, American, English and French writers).
We were learning English, German and French and had to read Swedish and Danish
Knowing English and German when I started as a medical student was extremely helpful because all our textbooks were in German or English!
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I read a lot of history, books about philosophy, psychology, developmental biology, human evolutionand the great discoveries in medicine, surgery and microbiology.
I was VERY interested in astronomy, physics and mathematics
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The interest in physics stimulated me to try to read
Niels Bohr (1913) On the Constitution of Atoms and Molecules, Philosophical Magazine 26, 1-24.
Niels Bohr (1913) On the Constitution of Atoms and Molecules. Part II.– Systems containing only a Single Nucleus. Philosophical Magazine 26, 476-502.
Niels Bohr (1913) On the Constitution of Atoms and Molecules. Part III.–Systems containing Several Nuclei. Philosophical Magazine 26, 857-875.
Bohr received the Nobel Prize for physics in 1922
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Important discoveries were made 100 years ago!
Luckily, our high school was a century-old Latin School andhad copies of the journal in which Bohr published these papers
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Albert Einstein (1905) Zur Elektrodynamik bewegter Körper. Annalen der Physik 322, 891-921It was not that difficult and I knew enough German to be able to read it.
The General Relativity theory, Albert Einstein (1916) Die Grundlage der allgemeinen Relativitätstheorie. Annalen der Physik 354, 769-822required advanced mathematics so I decided to take math courses as a medical student and then read the paper.
I read Einstein’s paper on Special Relativity:
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What is the lesson in this?
To get onto a path of research and discovery,
cultivate your curiosity;
seek intellectual challenges;
seek knowledge at many levels;
seek understanding, not just information
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At the University of Oslo as a medical student
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Part I: Basic Sciences – 2.5 years
Part II: Clinical Sciences – 3.5 years
Medical School Curriculum
I fell in love with anatomy and cell biology
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and met some remarkable Professors at the Anatomical Institute
Torgersen (evolutionary anthropology)
Jansen(neuroanatomy,Chairman of theAnatomical Institute)
Brodal(neuroanatomy,Chair of the NorwegianResearch Council)
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I broke with tradition after Part I
I took a 2-year break from medical school to do research (a student research program was started by Professor Brodal).
I decided to work on a project at the Anatomical Instituteand take courses in chemistry, physics, and mathematics (so that I could read Einstein’s paper on general relativity)
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This was one of the most important decisions of my life
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What is the lesson in this?
Follow your strongest interests
Do not be afraid to break with tradition
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A difficult choice
The “good” part: Anatomical Institute had an electron microscope for studying molecular structure
The “bad” part: Everybody was doing brain anatomy
The “ugly” choice: If I wanted an Advisor I had to work on the brain If I chose to study molecules I had to work
alone
I decided to work alone
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I decided to work on the structure, synthesis and function of collagen, a protein that is essential for the existence of multicellular organisms as acomponent of the extracellular matrix
I wanted to use electron microscopy (EM), because------
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Siemens EM
With the EM I could see collagen molecules!
Collagen molecule
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And I could see how molecules formed fibrils!
I made discoveries!
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ATP10Å = 1nanometer
3100Å
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Bjorn R. Olsen (1963) Electron Microscope Studies on Collagen I. Native Collagen Fibrils. Zeitsch. f. Zellforsch. 59, 184-198.
Bjorn R. Olsen (1963) Electron Microscope Studies on Collagen II. Mechanism of linear Polymerization of TropocollagenMolecules. Zeitsch. f. Zellforsch. 59, 199-213.
Bjorn R. Olsen (1964) Electron Microscope Studies on Collagen III. Tryptic Digestion of Tropocollagen Macromolecules.Zeitsch. f. Zellforsch. 61, 913-919.
I started to publish papers!
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The EM Lab, directed by T. Blackstad, was a remarkable place
It gave me, a student, not only the freedom to succeed in scienceon my own, but also to learn from my own failed experiments
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To purify proteins I had to startmy own little biochemistry laboratory
My home-made fraction collector
Columns for purifying collagenmolecules
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“TRULTE” in Norway
My fraction collector named “TRULTE”
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What is the lesson in this?
Trust your problem solving ability
Use your creativity to overcome obstacles
Start modestly, but aim at asking important questions
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What happened next?
1967: Graduation from Medical School Defense of PhD dissertation Appointment as Assistant Professor at University of Oslo
1971: Promotion to Associate Professor at University of Oslo
I decided I needed to be trained better!Where?
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Prockop’s laboratory in USA used biochemical methods to study how cells make collagen
I could use electron microscopy to study how cells make it
We found that cells do not make collagen molecules; they make a larger precursor protein – procollagen – which is “trimmed”to collagen
A perfect match
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What is the lesson in this?
Get as good a scientific training as possible
Find an exciting training environment
You found the right place if you cannot wait to get to the lab in the morning and find it difficult to leave at night
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The Ninomiya family!
Tomoatsu Kimura
Hiroshi Konomi
New collagen types were discovered throughthe work of outstanding postdocs and students
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Boston 1985
Suk Paul Oh Muragaki Nishimura
Fawcett Hay Olsen Ninomiya
More opportunities at Harvard
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Research continued to be exciting and fun!
Discoveries of new collagens, mutations causingcartilage, bone and blood vessel disorders
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Scientific progress depends onthe achievements of individuals
but
it also requires collaboration,open communication and teamwork
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Gordon Research Conference on Collagen 1995
Communication through meetings
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Teacher and trainee
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A scientist who wants to make a lasting contribution must
(1) strive to make important discoveries and
(2) train the future generations ofscientists
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Doing research and training future generations of scientists
It is like starting rings in water and seeing how they grow
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April 2011
And the rings can spread far
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Final lessons
Scientific enquiry – – “begins as a story about a Possible World – a story which we invent and criticize and modify as we go along, so that it ends by being, as nearly as we can make it, a story about real life.”
“– any scientist of any age who wants to make important discoveries must study important problems. – – – A problem must be such that it matters what the answer is – whether to science generally or to mankind.”
Medawar, PB (1979) Advice to a Young Scientist. Human Action Wisely Undertaken.Harper & Row, New York.
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(1) Do not be afraid of choosing big, challenging problems – why waste time and efforts on minor questions?
(2) Think strategically – break big problems into a seriesof smaller steps, but stay focused on the big, distant goals.
(3) Do not be so afraid of having ideas “stolen” as to preventexchange of ideas and collaborations.
The “Olsen” rules:
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Thank you !
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