Kendall A. Smith is an American scientist most well-known for his work on interleukins, the regulatory molecules of the immune system, which has led to many of the new present-day therapies for immunological disorders, transplant rejection, infectious diseases and cancer. ^{[1] [2]} Smith is a Professor Emeritus of Medicine at  Weill Cornell Medicine. ^[3]

Early life

Kendall Arthur Smith was born in Akron, Ohio, where he grew up as the second child of Robert Lyman Smith and Juanita Murphy Smith. He attended Fairlawn Primary School, Simon Perkins Junior High School followed by Buchtel High School in Akron, graduating in 1960.

Medical and scientific training

Smith graduated from Denison University, Granville, Ohio with a B.S. in biology (1964). ^[4] He graduated summa cum laude from the Ohio State University College of Medicine in 1968, then trained in Internal Medicine at Yale-New Haven Hospital (1968-1970). Smith then trained at the National Cancer Institute, Dartmouth Medical School and L’Institut de Cancerologie et d’Immunogenetique in Villejuif, France (1970-’74).

Career

Smith joined the faculty of Dartmouth Medical School (Hanover, N.H.) as an Assistant Professor of Medicine in Hematology & Oncology in 1974, progressing to Associate Professor (1978) and Professor (1982). At the school, Smith focused his research on the immune system. By the 1970s, it had become clear that white blood cells are responsible for immune responses, but how these responses are initiated and regulated was not yet understood. The first molecularly defined T cell cytokine, interleukin-2 (IL-2), was originally described by Smith. ^[5] His findings had a significant impact on immunology research and paved the way for the discovery of numerous humoral mediators of cell-mediated immunity. ^[6] In groundbreaking research, Smith led a team that employed meticulous protein enrichment methods to purify TCGF (IL-2) to a state of purity and produce bioactive, biosynthetically radiolabeled TCGF. The introduction of radiolabeled TCGF/IL-2 allowed for an examination of its interaction with T cells, leading to a pivotal finding: the biological impacts of TCGF were facilitated by a high-affinity cytokine receptor that was selectively expressed on T cells activated through their T cell antigen receptor, thus underscoring the immune specificity of IL-2's effects. ^[6]

In 1993, Smith moved to Weill Cornell Medicine in New York City to conduct clinical research in AIDS. There he served as the Chief of The Division of Immunology as well as the Co-Chair of the Immunology Program of The Graduate School of Biomedical Sciences, a joint program between Cornell and Sloan-Kettering Institute. He also served as the Director of The Tr-Institutional MD/PhD Program, a joint effort between Cornell, Sloan-Kettering and the Rockefeller University. Having extended his research to the clinic, by 1999, Smith established that low, physiological doses of interleukins could stimulate immune responses without toxicity. ^{[7] [8]}

In 1993 Smith moved to Weill Cornell Medicine in New York City to conduct clinical research in AIDS. There he served as the Chief of The Division of Immunology as well as the Co-Chair of the Immunology Program of The Graduate School of Biomedical Sciences, a joint program between Cornell and Sloan-Kettering Institute.  He also served as the Director of The Tr-Institutional MD/PhD Program, a joint effort between Cornell, Sloan-Kettering and the Rockefeller University.

Publications

• Interleukin 2. Academic Press, Inc. 1988. ISBN  9780126514209.
• The Quantal Theory of Immunity: The Molecular Basis of Autoimmunity and Leukemia. World Scientific Publishing Co. Pte. Ltd. 2010. ISBN  9789814271752.
• Molecular Immunity: A Chronology of 60 Years of Discovery. World Scientific Publishing Co. Pte. Ltd. 2019. ISBN  9789813231702.
• The Interleukin Revolution. The Troy Bookmakers. 2023. ISBN  9781614687986.

Honors and awards

• 1965   Nu Sigma Nu Award for the Outstanding First year Medical Student
• 1966   The Chauncy Leake Award
• 1967   Alpha Omega Alpha honor society
• 1968   Landacre Society – Student Research Honorary Society, President
• 1968   Robert Nelson Watman Award for Outstanding Achievement in Research and Medicine
• 1968   M.D. summa cum laude
• 1979   Elected as Fellow to the American College of Physicians
• 1981   Elected to the American Society for Clinical Investigation
• 1989   Friedrich-Sasse Foundation Award
• 1993   Denison University Alumni Citation Award
• 2009  Alumni Achievement Award, The Ohio State University College of Medicine

Journal articles

• The Long-Term Culture of Antigen-Specific T Cytotoxic T cells. Nature, 268:154-156, 1977.
• T Cell Growth Factor: Parameters of Production and a Quantitative Microassay for Activity. J. Immunol, 120:2027-32, 1978.
• The Functional Relationship of the Interleukins. J. Exp. Med. 151:1551-56, 1980.
• The Biochemical Characterization of the IL2 Molecule. Mol. Immunol. 18:1087-94, 1981.
• T Cell Growth Factor Receptors: Quantitation, Specificity and Biological Relevance. J. Exp. Med. 154: 1455-74, 1981.
• Production and Characterization of Monoclonal Antibodies to Interleukin 2: Strategies and Tactics. J. Immunol 131: 1808-15. 1983.
• The Interleukin T cell System: A New Cell Growth Model. Science. 224: 1312-16, 1984.
• The Interleukin 2 Receptor: Functional Consequences of it’s Bimolecular Structure. J. Exp. Med. 166: 1055-69. 1987.
• Differentiation of T Cell Lymphokine Gene Expression: The in vitro Generation of T Cell Memory. J. Exp. Med. 173:25-36. 1991.
• Isolation of Interleukin2-induced Immediate-Early Genes. PNAS. 90:2719-23. 1993.
• Rational Interleukin 2 Therapy for HIV-Positive Individuals: Daily Low Doses Enhance Immune Function Without Toxicity. PNAS. 93:10405-10, 1996.
• Therapeutic Use of IL2 to Enhance Antiviral T Cell Responses in vivo. Nature Med. 9:1-8, 2003.
• PD1 Combination Therapy with IL2 Modifies CD8+ T Cell Exhaustion. Nature. 610:173-81, 2022.

References

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