Kenneth Harrap
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Professor Kenneth Reginald Harrap (1931-2017) was a British oncological biochemist.


Early life and education

Harrap was born in
Streatham Streatham ( ) is a district in south London, England. Centred south of Charing Cross, it lies mostly within the London Borough of Lambeth, with some parts extending into the neighbouring London Borough of Wandsworth. Streatham was in Surrey ...
, London, on 20 November 1931. He was educated at Woking Grammar School and
George Green's School George Green's School is a coeducational secondary school and sixth form, located in Cubitt Town on the Isle of Dogs in the London Borough of Tower Hamlets, England. History The school was founded in 1828 by George Green, a shipbuilder and shipw ...
, London. He graduated with a BSc in Chemistry from the University of London, then worked for a while as an analytical chemist at Hopkins & Williams. In 1964 He spent a sabbatical period as a visiting fellow at the Children's Cancer Research Foundation in
Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
, United States. He received a DSc in Pharmacology and Biochemistry from London University in 1977.


Career

The early part of his career was directed at identifying biochemical abnormalities of cancer cells. In 1956 he moved to the
Institute of Cancer Research The Institute of Cancer Research (the ICR) is a public research institute and a member institution of the University of London in London, United Kingdom, specialising in oncology. It was founded in 1909 as a research department of the Royal Mar ...
's Chester Beatty Research Institute in London. He was promoted to Head of the Department of Applied Biochemistry in 1970, Head of the Department of Biochemical Pharmacology in 1977, Chairman of the Drug Development Section in 1982, and Director of the CRC's Centre for Cancer Therapeutics in 1994. Harrap chaired the British Association for Cancer Research from 1987 to 1990. He was elected a
Fellow of the Royal Society of Chemistry Fellowship of the Royal Society of Chemistry (FRSC) is an award conferred by the Royal Society of Chemistry (RSC) in the United Kingdom. FRSC award Achieving Fellow status in the chemical profession denotes to the wider community a high level of ...
, and received the American Association for Cancer Research's Bruce F. Cain award and the Barnett Rosenberg Award, both in 1995. He was made a
Commander of the Order of the British Empire The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the civil service. It was established o ...
(CBE) in the
1998 New Year Honours The New Year Honours 1998 for the United Kingdom, Barbados, Grenada, Papua New Guinea, the Solomon Islands, Tuvalu, Saint Vincent and the Grenadines, Belize, Antigua and Barbuda, and Saint Christopher and Nevis were announced on 30 December 1997, ...
, "for services to cancer research". He is credited with the discovery of
Carboplatin Carboplatin, sold under the trade name Paraplatin among others, is a chemotherapy medication used to treat a number of forms of cancer. This includes ovarian cancer, lung cancer, head and neck cancer, brain cancer, and neuroblastoma. It is used b ...
, JM 216 (
Satraplatin Satraplatin (INN, codenamed JM216) is a platinum-based antineoplastic agent that was under investigation as a treatment of patients with advanced prostate cancer who have failed previous chemotherapy. It has not yet received approval from the U. ...
), and AMD 473.


Platinum based anti-cancer agents

A collaboration with
Johnson Matthey Johnson Matthey is a British multinational speciality chemicals and sustainable technologies company headquartered in London, England. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. History Early years ...
established by Professor Tom Connors was expanded into an extensive search for an effective but less toxic therapy to replace
Cisplatin Cisplatin is a chemotherapy medication used to treat a number of cancers. These include testicular cancer, ovarian cancer, cervical cancer, breast cancer, bladder cancer, head and neck cancer, esophageal cancer, lung cancer, mesothelioma, br ...
. JM8 was identified and successfully launched as Carboplatin (Paraplatin) by
Bristol Myers Squibb The Bristol Myers Squibb Company (BMS) is an American multinational pharmaceutical company. Headquartered in New York City, BMS is one of the world's largest pharmaceutical companies and consistently ranks on the ''Fortune'' 500 list of the lar ...
in 1986. This achievement was recognized in 1991 with the Queens Award for Technological Achievement, awarded jointly to the Drug Development Section at the Institute of Cancer Research, of which Harrap was Head, to the Royal Marsden Hospital, and to Johnson.


Antimetabolite anticancer drugs

Harrap's interest in antimetabolites as cancer drugs led to a collaboration with
AstraZeneca AstraZeneca plc () is a British-Swedish multinational pharmaceutical and biotechnology company with its headquarters at the Cambridge Biomedical Campus in Cambridge, England. It has a portfolio of products for major diseases in areas includin ...
on the development of
thymidylate synthase inhibitor Thymidylate synthase inhibitors are chemical agents which inhibit the enzyme thymidylate synthase and have potential as an anticancer chemotherapy. This inhibition prevents the methylation of C5 of deoxyuridine monophosphate (dUMP) thereby inhibiti ...
s. Raltitrexed was developed and launched as Tomudex. Building on the work done by Harrap's group,
thymidylate synthase Thymidylate synthase (TS) () is an enzyme that catalyzes the conversion of deoxyuridine monophosphate (dUMP) to deoxythymidine monophosphate (dTMP). Thymidine is one of the nucleotides in DNA. With inhibition of TS, an imbalance of deoxynucleo ...
has continued to be a target of interest for the development of anti cancer drugs. One of these, BGC 945, has been taken into clinical trial at the
Royal Marsden The Royal Marsden Hospital (RM) is a specialist cancer treatment hospital in London based in Kensington and Chelsea, next to the Royal Brompton Hospital, in Fulham Road with a second site in Belmont, close to Sutton Hospital, High Down and D ...
, and licensed to Carrick for further clinical development.


Retirement

Harrap became emeritus professor of pharmacology at the University of London, a distinguished emeritus fellow of the Cancer Research Campaign, and an associate and visiting scientist at the Institute of Cancer Research on his retirement in 1997. He was profiled as the "Cover Legend" in volume 58, issue 21 (November 1998) of the journal ''
Cancer Research Cancer research is research into cancer to identify causes and develop strategies for prevention, diagnosis, treatment, and cure. Cancer research ranges from epidemiology, molecular bioscience to the performance of clinical trials to evaluate and ...
'', which featured his portrait photograph on its front page and described him as "one of Britain's top leaders in the field of cancer chemotherapy". Harrap joined his wife Dr. Beverley Weston to form Weston and Harrap Consulting, advising start up and small biotech companies on cancer drug development and commercial potential. He died on 9 February 2017. He was survived by his wife, two daughters, and grandchildren.` The University of London's Harrap Chair of Pharmacology and Therapeutics is endowed in his honour. A
blue plaque A blue plaque is a permanent sign installed in a public place in the United Kingdom and elsewhere to commemorate a link between that location and a famous person, event, or former building on the site, serving as a historical marker. The term i ...
commemorating the work of the Institute for Cancer Research, including the discovery of Carboplatin, was erected by the
Royal Society of Chemistry The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemistry, chemical sciences". It was formed in 1980 from the amalgamation of the Chemical Society, the Ro ...
in 2018. Beverley Weston was one of the speakers at the event.


References


External links

* {{DEFAULTSORT:Harrap, Kenneth 1931 births Place of birth missing 2017 deaths Commanders of the Order of the British Empire Fellows of the Royal Society of Chemistry People from Streatham