McCulloch and Till: Stem Cell Pioneers

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Questions and Answers

What was Ernest McCulloch's area of medical specialization?

  • Oncology
  • Neurology
  • Hematology (correct)
  • Cardiology

Where did Ernest McCulloch conduct his stem cell research?

  • Ontario Cancer Institute (correct)
  • Lister Institute, London
  • University of Toronto
  • Sunnybrook Hospital, Toronto

What was James Till's academic background before turning to cancer research?

  • Physics (correct)
  • Biochemistry
  • Medical Doctor (MD)
  • Biology

In what year did McCulloch and Till publish their findings on the "radiation sensitivity of mouse bone marrow cells"?

<p>1961 (A)</p> Signup and view all the answers

Which prestigious award did McCulloch and Till jointly receive for their contributions to basic medical research?

<p>Albert Lasker Award for Basic Medical Research (D)</p> Signup and view all the answers

In which year were McCulloch and Till inducted into the Canadian Science and Engineering Hall of Fame?

<p>2010 (A)</p> Signup and view all the answers

What was one of the key areas of focus in James Till's later research career?

<p>Patient quality of life and research ethics (B)</p> Signup and view all the answers

What did McCulloch and Till's research uncover about the location and potential of adult stem cells?

<p>They reside in the inner marrow and can develop into various blood cells (D)</p> Signup and view all the answers

When did McCulloch become the Departmental Head of Hematology at the Ontario Cancer Institute?

<p>1957 (B)</p> Signup and view all the answers

What was the initial aim of McCulloch's Leukemia research?

<p>To develop a cure for leukemia. (A)</p> Signup and view all the answers

Flashcards

Ernest McCulloch

A Canadian hematologist who advanced stem cell research and cancer treatment.

James Till

A physicist turned cancer researcher, known for stem cell collaboration with McCulloch.

Ontario Cancer Institute

Research facility where McCulloch and Till worked and collaborated on stem cells.

Stem cells

Cells with the potential to develop into different blood cells, discovered by McCulloch and Till.

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Albert Lasker Award

Prestigious medical research award received by McCulloch and Till in 2005 for their contributions.

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Radiation sensitivity

The responsiveness of mouse bone marrow cells to radiation, studied by McCulloch and Till.

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Canadian Science and Engineering Hall of Fame

Honor given to McCulloch and Till for their achievements in the field.

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Patient quality of life

An aspect of research interest for Till, emphasizing patient care and ethical considerations.

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Cure for leukemia

A goal of McCulloch's research, aimed at treating a type of blood cancer.

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Transformative work

McCulloch and Till's research that greatly changed our understanding of cancer and regenerative medicine.

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Study Notes

Ernest McCulloch and James Till

  • McCulloch, a hematologist, sought a leukemia cure. A radiation experiment led to a new understanding of cells.
  • McCulloch was born and raised in Toronto, studied medicine at the University of Toronto, and became a doctor in 1948.
  • He worked at the Lister Institute in London, and then a research fellow in pathology at Sunnybrook Hospital.
  • In 1957, he joined Ontario Cancer Institute.
  • Their work on stem cells revolutionized cancer research and regenerative medicine.
  • McCulloch was a key figure in Canadian medical research and served on numerous national and international advisory bodies.
  • He was the "big picture" thinker in biomedical research.

James Till

  • Till, a physicist, shifted his focus to cancer research while working with radiation treatments.
  • He discovered stem cells with McCulloch.
  • Born in Lloydminster, Canada, and won a scholarship to the University of Saskatchewan to study physics.
  • Earned a PhD in Biophysics from Yale University in 1957.
  • Became a research fellow at the University of Toronto
  • Joined the Ontario Cancer Institute in 1958, where he worked with McCulloch and further pursued cancer research.
  • His research delved into cancer treatment, patient quality of life, and ethical considerations in research.
  • His research emphasized the effects of radiation on mouse bone marrow cells.

Stem Cell Discovery

  • McCulloch and Till's research uncovered adult stem cells within the bone marrow.
  • These unspecialized cells have the potential to develop into various blood cells.

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