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New approach to develop ultra-high inhibitory drug using the power function of the stoichiometry of the targeted nanomachine or biocomplex.


ABSTRACT:

Aims

To find methods for potent drug development by targeting to biocomplex with high copy number.

Methods

Phi29 DNA packaging motor components with different stoichiometries were used as model to assay virion assembly with Yang Hui's Triangle [Formula: see text], where Z = stoichiometry, M = drugged subunits per biocomplex, p and q are the fraction of drugged and undrugged subunits in the population.

Results

Inhibition efficiency follows a power function. When number of drugged subunits to block the function of the complex K = 1, the uninhibited biocomplex equals q(z), demonstrating the multiplicative effect of stoichiometry on inhibition with stoichiometry 1000 > 6 > 1. Complete inhibition of virus replication was found when Z = 6.

Conclusion

Drug inhibition potency depends on the stoichiometry of the targeted components of the biocomplex or nanomachine. The inhibition effect follows a power function of the stoichiometry of the target biocomplex.

SUBMITTER: Shu D 

PROVIDER: S-EPMC4733561 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Publications

New approach to develop ultra-high inhibitory drug using the power function of the stoichiometry of the targeted nanomachine or biocomplex.

Shu Dan D   Pi Fengmei F   Wang Chi C   Zhang Peng P   Guo Peixuan P  

Nanomedicine (London, England) 20150701 12


<h4>Aims</h4>To find methods for potent drug development by targeting to biocomplex with high copy number.<h4>Methods</h4>Phi29 DNA packaging motor components with different stoichiometries were used as model to assay virion assembly with Yang Hui's Triangle [Formula: see text], where Z = stoichiometry, M = drugged subunits per biocomplex, p and q are the fraction of drugged and undrugged subunits in the population.<h4>Results</h4>Inhibition efficiency follows a power function. When number of dr  ...[more]

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