2 US scientists win Nobel chemistry prize

2012-10-10 12:14
Pictures of US scientists Robert Lefkowitz and Brian Kobilka who won the 2012 Nobel Prize in Chemistry are projected on a screen as Staffan Normark (C), Permanent Secretary of the Royal Swedish Academy of Sciences, announces the laureates at the Roya

Pictures of US scientists Robert Lefkowitz and Brian Kobilka who won the 2012 Nobel Prize in Chemistry are projected on a screen as Staffan Normark (C), Permanent Secretary of the Royal Swedish Academy of Sciences, announces the laureates at the Roya

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Stockholm - Two American scientists won the 2012 Nobel Prize for chemistry on Wednesday for research into how cells respond to external stimuli that is helping to develop better drugs to fight diseases such as diabetes, cancer and depression.

The Royal Swedish Academy of Sciences said the 8 million crown (R10.4m) prize went to Robert Lefkowitz, 69, and Brian Kobilka, 57, for discovering the inner workings of G-protein-coupled receptors, which allow cells to respond to chemical messages such as adrenaline rushes.

"Around half of all medications act through these receptors, among them beta blockers, antihistamines and various kinds of psychiatric medications," the committee said.

Working out better ways to target the receptors, known as GPCRs, is an area of keen focus for pharmaceutical and biotechnology companies.


Lefkowitz told a news conference by telephone he was asleep when the phone call came from Sweden.
"I did not hear it - I must share with you that I wear earplugs to sleep. So my wife gave me an elbow. So there it was, a total shock and surprise," he said.

Sven Lidin, Professor of Inorganic Chemistry at Lund University and chairman of the committee, told a news conference the discovery had been key in medical research.

"Knowing what they [the receptors] look like and how they function will provide us with the tools to make better drugs with fewer side effects," he added.

GPCRs are linked to a wide range of diseases, since they play a central role in many biological functions in the body, but developing new drugs to target them accurately has been difficult because of a lack of fundamental understanding as to how they function.

Experts say the work of the Nobel Prize winners has opened the door to making better medicines.

Drugs targeting GPCRs have potential in treating illnesses involving the central nervous system, heart conditions, inflammation and metabolic disorders.

More than one discipline

Mark Downs, chief executive of Britain's Society of Biology, said the researchers had covered important ground in more than one discipline.

"This ground-breaking work spanning genetics and biochemistry has laid the basis for much of our understanding of modern pharmacology as well as how cells in different parts of living organisms can react differently to external stimulation," he said in a statement.

Johan Aqvist, Professor of Chemistry at Sweden's Uppsala University, said Lefkowitz was "the father of this entire field".
"Out of the roughly 1 400 drugs that exist in the world, about 1 000 of them are little pills that you consume, and the majority of these are based in these receptors," he told Reuters.

Chemistry was the third of this year's Nobel prizes. Prizes for achievements in science, literature and peace were first awarded in 1901 in accordance with the will of dynamite inventor and businessman Alfred Nobel.

Read more on:    us  |  research  |  science  |  nobel prize

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