Clinical Biochemistry A 2500 word essay on biochemical tumour markers for early detection of cancer and monitoring of cancer treatment based on extensive literature research. Additional information Your essay should include specific examples of certain cancers and relevant clinical markers. Current analytical practice should be outlined and critically evaluated. A good essay would also include a discussion of ongoing research with the potential of identifying novel markers or developing new analytical methods. Identify specific biochemical markers which could be for example signal proteins, enzymes, genetic markers, viruses, hormones or developmental molecules that have been linked with specific tumours. Summarise the role of such markers, evaluating their biological function, diagnostic potential and the analytical methods that are used. Points to consider include the prevalence rate of the cancer, its treatment success in relation to diagnosis, specificity and sensitivity of the marker and limitations of the analytical method as well as current research and potential future developments.