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astronomy

Jan Vilček

Jan Vilček is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Jan Vilček rather than just read about it. In short: Jan T. Vilček (born June 17, 1933) is a Slovak-American biomedical scientist, educator, inventor and philanthropist.

Jan Vilček — main illustration
Jan Vilček — illustration

Key takeaways

  • Jan Vilček belongs to astronomy; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Jan Vilček to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Jan Vilček from memory before moving on to harder problems.

Reference excerpt

Jan T. Vilček (born June 17, 1933) is a Slovak-American biomedical scientist, educator, inventor and philanthropist. He is a professor in the department of microbiology at the New York University School of Medicine, and chairman and CEO of The Vilcek Foundation. Vilček received his M.D. degree from Comenius University Medical School in Bratislava in 1957; and his Ph.D. in Virology from the Institute of Virology, Czechoslovak Academy of Sciences, Bratislava, in 1962. In 1964, Vilček with his wife Marica defected from Communist Czechoslovakia during a three-day visit to Vienna. In 1965, the Vilčeks immigrated to the United States, and have since lived in New York City. Vilček devoted his scientific career to studies of soluble mediators that regulate the immune system (cytokines), including interferon and tumor necrosis factor (TNF).

Early years Vilček was born in Bratislava, Czechoslovakia, to a middle class secular Jewish family. His mother, Friderika Fischer, was born to a German-speaking family in Budapest, Hungary. She moved with her family to Bratislava where she finished medical school, married Jan's father, Julius Vilček, and became an ophthalmologist. Jan grew up speaking three languages (Slovak, German and Hungarian). During World War II, his family was persecuted because of their Jewish heritage. To protect him from deportation to a concentration camp, in 1942 his parents placed Jan in an orphanage run by Catholic nuns. From mid-1944 through the end of the war in 1945, Vilček and his mother were hidden by a Slovak family in a remote village, while his father joined an uprising against the Nazis. After the defeat of Nazi Germany the family was reunited and moved back to Bratislava.

Career and scientific contributions Vilček became interested in research in microbiology and immunology during his medical studies. Upon completing medical school in 1957, Vilček joined the Institute of Virology, Czechoslovak Academy of Sciences in Bratislava as a research scientist. There, in 1959, he embarked on studies of interferon, a protein made in response to infection with viruses and other pathogens. At the time, interferon was still a poorly defined protein studied by only a handful of scientists across the world. In 1964, Vilček organized the first international conference on interferon that was attended by many scientists active in the field at the time. Upon emigrating to the United States in 1965, Vilček joined the faculty of NYU School of Medicine as an assistant professor of microbiology. At NYU, Vilček continued research on interferon. He helped to develop methods for the production of human fibroblast (beta) interferon that enabled its clinical utilization and molecular characterization. He and his colleagues showed that human leukocyte (alpha) and beta interferon are antigenically distinct, laying the groundwork for the later demonstration that these interferons are encoded by distinct genes that belong to the same gene family. He and his coworkers also contributed to the characterization of human immune (gamma) interferon. In the 1980s Vilček became interested in the study of another cytokine, termed tumor necrosis factor (TNF). His work helped to elucidate novel biological actions of TNF, led to the discovery of novel genes and proteins, and helped to identify signaling pathways. Over the span of his career, Vilček published over 350 papers in scientific journals. Vilček is an Institute for Scientific Information highly cited researcher in the Immunology category. He is listed as an inventor on over 40 US patents.

Contributions to drug development In the 1970s Vilček and colleagues developed methods for the production of human interferon-beta in cultures of human diploid fibroblasts. These methods made it possible to produce natural human interferon-beta for clinical trials. Interferon-beta produced by these methods was licensed for clinical use in multiple sclerosis and some other diseases in Germany and in Japan, but eventually the production of natural interferon has been replaced by more efficient methods utilizing recombinant DNA technology. In 1989 Vilček and NYU colleague, Junming Le, created a monoclonal antibody against TNF-alpha, a powerful promoter of inflammation. TNF-alpha is involved in the pathogenesis of numerous chronic inflammatory autoimmune diseases. Collaborating with the biotechnology company Centocor, founded by Michael Wall and Hubert Schoemaker (later acquired by Johnson & Johnson and recently renamed Janssen Biotech, Inc.), Vilček and Le helped to develop the biologic drug initially termed cA2, which is now known commercially as infliximab, or Remicade. Remicade is a potent anti-inflammatory agent used in the treatment of rheumatoid arthritis, Crohn's disease, ulcerative colitis, ankylosing spondylitis, psoriatic arthritis, plaque psoriasis and other inflammatory diseases. Remicade was the first TNF blocking agent successfully used in patients. The success of Remicade spurred the development and regulatory approval of several other anti-TNF agents (TNF inhibitor), including adalimumab-Humira, etanercept-Enbrel, golimumab-Simponi, and certolizumab pegol-Cimzia, all of which are being used to treat numerous inflammatory autoimmune diseases. It is estimated that close to 3 million patients have been treated with Remicade, and more patients benefited from treatments with other anti-TNF agents.

… excerpt ends here. Continue reading the full article.

Illustrations

Jan Vilček illustration

Worked examples

Example 1 — a first encounter with Jan Vilček

Start with the simplest possible case. Write down what Jan Vilček claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Jan Vilček before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Jan Vilček ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Jan Vilček

In research
Jan Vilček appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Jan Vilček in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Jan Vilček is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1933 births, American immunologists, Comenius University alumni, so understanding it makes those chapters shorter.
In everyday life
Look for Jan Vilček outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Jan Vilček in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Jan Vilček means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Jan Vilček out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Jan Vilček in simple terms?

Jan T. Vilček (born June 17, 1933) is a Slovak-American biomedical scientist, educator, inventor and philanthropist.

Why does Jan Vilček matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Jan Vilček?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Jan Vilček.

Tags

  • 1933 births
  • American immunologists
  • Comenius University alumni
  • Czechoslovak defectors
  • Czechoslovak emigrants to the United States
  • Living people
  • Scientists from Bratislava

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