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Mathematical models of the interrelated dynamics of hepatitis D and B

Packer, A.; Forde, J.; Hews, S.; Kuang, Y.

Mathematical Biosciences 247: 38-46

2014


ISSN/ISBN: 1879-3134
PMID: 24513247
DOI: 10.1016/j.mbs.2013.10.004
Accession: 054273826

The hepatitis delta virus (HDV) is a rarest form of viral hepatitis, but has the worst outcomes for patients.It is a subviral satellite dependent on coinfection with hepatitis B (HBV) to replicate within the host liver.To date, there has been little to no modeling effort for HDV. Deriving and analyzing such a mathematical model poses difficulty as it requires the inclusion of (HBV). Here we begin with a well-studied HBV model from the literature and expand it to incorporate HDV. We investigate two models, one with and one without infected hepatocyte replication. Additionally, we consider treatment by the drug lamivudine. Comparison of model simulations with experimental results of lamivudine treatment indicate that infected cell proliferation may play a significant role in chronic HDV infection. Our results also shed light on several questions surrounding HDV and illustrate the need for more data.

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