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Clive McCay

From Wikipedia, the free encyclopedia
American biochemist, nutritionist and gerontologist
Clive McCay
Born(1898-03-21)21 March 1898
Died8 June 1967(1967-06-08) (aged 69)
Known forcalorie restrictionlife extension
Scientific career
InstitutionsCornell University

Clive Maine McCay (21 March 1898 – 8 June 1967) was an Americanbiochemist,nutritionist andgerontologist.

Biography

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McCay was professor ofanimal husbandry atCornell University from 1927 to 1963. His main interest was the influence of nutrition on aging.[1] He is best known for his work in proving thatcaloric restriction increases the life span of rats, which is seen as seminal in triggering further research and experiments in the field of nutrition and longevity.[2] Scientists are still trying to understand the connection between caloric restriction and longevity.

Following his discovery between a low calorie diet and longevity, McCay played a prominent role in the development of nutritionally-sound rations duringWorld War II, and the creation ofCornell Bread, a type of highprotein, highvitaminbread meant to echo the same high protein vitamin meal he fed to his mice in longevity experiments.

Another of McCay's important contributions was the first work inheterochronic parabiosis: the joining of the circulatory systems of a young and an old animal, which leads to rejuvenating effects on the tissues of the old animal and degenerative changes in the young's, thus demonstrating the role of systemic factors in aging.[3][4] Limited work with this paradigm by others continued into the early 1970s before languishing, until it was finally taken up again by researchers atStanford University and theUniversity of California at Berkeley in the mid-2000s.[3][5]

His further research centered on canine nutrition, andfluoride and its use in water treatment.[4] A 1957 study on fluoridation showed that low levels (1-10 ppm) of sodium fluoride added to the drinking water of rats did not have carie-protective effects.[6]

Selected publications

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  • The Nutritional Requirements of Dogs (1940)
  • Nutrition, Ageing and Longevity (1942)
  • Nutrition of the Dog (1946)
  • The Cornell Bread Book (with Jeanette B. McCay, 1955)
  • Clive McCay, Nutrition Pioneer: Biographical Memoirs by His Wife (Jeanette B. McCay, 1994)

References

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  1. ^Clive M. McCay and Jeanette B. McCay - History of Work with Soyfoods, the New York State Emergency Food Commission, Improved Bread, and Extension of Lifespan (1927-2009): Extensively Annotated Bibliography and Sourcebook. Soyinfo Center. 2009. p. 55.ISBN 978-1-928914-27-3. Retrieved12 April 2013.
  2. ^McCay, C. M.; Crowell, Mary F. (November 1934). "Prolonging the Life Span".The Scientific Monthly.39 (5):405–414.Bibcode:1934SciMo..39..405M.JSTOR 15813.
  3. ^abConboy MJ, Conboy IM, Rando TA (June 2013)."Heterochronic parabiosis: historical perspective and methodological considerations for studies of aging and longevity".Aging Cell.12 (3):525–530.doi:10.1111/acel.12065.PMC 4072458.PMID 23489470.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  4. ^ab"Cornell Library Guide to the Clive McCay Papers, 1920-1967". Cornell Library. Retrieved12 April 2013.
  5. ^Scudellari, Megan (January 21, 2015)."Ageing research: Blood to blood".Nature.517 (7535):426–29.Bibcode:2015Natur.517..426S.doi:10.1038/517426a.PMID 25612035.
  6. ^United States. Congress. Senate. Committee on Labor and Public Welfare (1959).National Organizations in the Field of Aging: Hearings Before the Subcommittee on Problems of the Aged and Aging of the Committee on Labor and Public Welfare, United States Senate, Eighty-sixth Congress, First Session, August 4, 5, and 6, 1959. U.S. Government Printing Office. p. 232. Retrieved12 April 2013.

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