Evolutionary dynamics of escape from biomedical intervention

Yoh Iwasa, Franziska Michor, Martin A. Nowak

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Viruses, bacteria, eukaryotic parasites, cancer cells, agricultural pests and other inconvenient animates have an unfortunate tendency to escape from selection pressures that are meant to control them. Chemotherapy, anti-viral drugs or antibiotics fail because their targets do not hold still, but evolve resistance. A major problem in developing vaccines is that microbes evolve and escape from immune responses. The fundamental question is the following: if a genetically diverse population of replicating organisms is challenged with a selection pressure that has the potential to eradicate it, what is the probability that this population will produce escape mutants? Here, we use multi-type branching processes to describe the accumulation of mutants in independent lineages. We calculate escape dynamics for arbitrary mutation networks and fitness landscapes. Our theory shows how to estimate the probability of success or failure of biomedical intervention, such as drug treatment and vaccination, against rapidly evolving organisms.

Original languageEnglish
Pages (from-to)2573-2578
Number of pages6
JournalProceedings of the Royal Society B: Biological Sciences
Volume270
Issue number1533
DOIs
Publication statusPublished - Dec 22 2003

Fingerprint

drug therapy
drug
antiviral agents
Drug therapy
chemotherapy
Pressure
mutants
Chemotherapy
vaccination
organisms
vaccine
immune response
Viruses
Pharmaceutical Preparations
antibiotics
Population
branching
mutation
cancer
Bacteria

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

Cite this

Evolutionary dynamics of escape from biomedical intervention. / Iwasa, Yoh; Michor, Franziska; Nowak, Martin A.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 270, No. 1533, 22.12.2003, p. 2573-2578.

Research output: Contribution to journalArticle

Iwasa, Yoh ; Michor, Franziska ; Nowak, Martin A. / Evolutionary dynamics of escape from biomedical intervention. In: Proceedings of the Royal Society B: Biological Sciences. 2003 ; Vol. 270, No. 1533. pp. 2573-2578.
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