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May 17, 2012 · Penrose fed his sole PKU patient—1 out of 500 institutionalized patients he screened with the ferric chloride test—nothing but fruit, sugar, olive oil, and vitamins. Initially, success beckoned when phenylpyruvic acid disappeared from the patient’s urine.
Jul 29, 2020 · Penrose, the leading British expert on PKU and the genetics of mental retardation, held that a single gene caused both the mental retardation and the abnormal chemistry as two independent effects. 2. The Cause of Mental Retardation in PKU
- Louis I Woolf, John Adams
- 10.3390/ijns6030059
- 2020
- Int J Neonatal Screen. 2020 Sep; 6(3): 59.
Lionel Sharples Penrose, FRS (11 June 1898 – 12 May 1972) was an English psychiatrist, medical geneticist, paediatrician, mathematician and chess theorist, who carried out pioneering work on the genetics of intellectual disability.
Dec 1, 1998 · The 1973 monograph in the series Biographical Memoirs of Fellows of the Royal Society (Vol. 19, pp. 521-561) by Harry Harris, entitled Lionel Sharples Penrose (1898-1972), which contains a complete Penrose bibliography, was a helpful resource in the preparation of this manuscript.
Clinical genetics has become a major medical specialty in Britain since its beginnings with Lionel Penrose’s work on mental handicap and phenylketonuria (PKU) and John Fraser Robert’s first...
1920-1970. maker: Lionel Sharples Penrose. Collection of models demonstrating self-reproducing mechanisms in chemistry and biochemistry, with puzzles and other items, made by Lionel Sharples Penrose, mid 20th century (see part and stroke records)
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The English geneticist Lionel Penrose called it "phenylketonuria", and in the late 1950s a lay-writer team in the United States used for the first time the abbreviation "PKU". The discovery of PKU by Fłlling was a landmark, since it identified an "inborn error" in the biochemistry of an amino acid as cause of mental retardation.
