Finding New Drugs
- Created by: Sumra Afzal
- Created on: 10-02-13 11:22
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- Finding New Drugs
- The example of aspirin
- Hippocrates(a physician in ancient Greece) used an extract from willow bark to relieve pain and fever.
- Salicin could be used to relive pain, too much stomach bleeding as a side effect
- research has suggested other drugs have the same effect
- the hunt is on
- Natural medicines
- Recent decades discoveries been concentrated on tropical plants
- hopes there may be many new medicinal drugs to discover
- New chemical fingerprinting technology is enbaling
- Recent decades discoveries been concentrated on tropical plants
- Further research
- developed over past 50 years
- Natural medicines
- How are new drugs discovered?
- By accident
- the accidental discovery of penicillin by Alecander Fleming
- Most antibiotics currently made by the bacterium Streptomyces
- Taditional medicine
- WHO calculates that 80% of the worlds population relies on traditional medicines
- In India 7000 different plants are used for their medicinal properties
- Some of our modern drugs have their origins in traditoonal medicines
- Observation of wildlife
- Monkeys, bears and other animals rub citrus oil on their coat as insecticeds and antiseptics
- chimpanzes swallow leaves folded in a particular way to remove parasites from their digestive tract
- elephants roam miles to find clay to counteract dietary toxins
- Anaesthetics
- The sap of unripe poppies was used in neolithic times in parts of southern europe and Egypt
- Opiate drugs reduced nervous action in the central nervous system
- Modern research
- Research into the plants used allows them to be isolate the active ingredient
- By accident
- The need for new drugs
- New diseases are emerging
- there are still many diseases for which there are no effective treatments
- some antibiotic treatments are becoming less effective
- The example of aspirin
- Recent decades discoveries been concentrated on tropical plants
- hopes there may be many new medicinal drugs to discover
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