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2016 ; 138
(28
): 8920-7
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Real-Time Biological Annotation of Synthetic Compounds
#MMPMID27398798
Gerry CJ
; Hua BK
; Wawer MJ
; Knowles JP
; Nelson SD Jr
; Verho O
; Dandapani S
; Wagner BK
; Clemons PA
; Booker-Milburn KI
; Boskovic ZV
; Schreiber SL
J Am Chem Soc
2016[Jul]; 138
(28
): 8920-7
PMID27398798
show ga
Organic chemists are able to synthesize molecules in greater number and chemical
complexity than ever before. Yet, a majority of these compounds go untested in
biological systems, and those that do are often tested long after the chemist can
incorporate the results into synthetic planning. We propose the use of
high-dimensional "multiplex" assays, which are capable of measuring thousands of
cellular features in one experiment, to annotate rapidly and inexpensively the
biological activities of newly synthesized compounds. This readily accessible and
inexpensive "real-time" profiling method can be used in a prospective manner to
facilitate, for example, the efficient construction of performance-diverse
small-molecule libraries that are enriched in bioactives. Here, we demonstrate
this concept by synthesizing ten triads of constitutionally isomeric compounds
via complexity-generating photochemical and thermal rearrangements and measuring
compound-induced changes in cellular morphology via an imaging-based "cell
painting" assay. Our results indicate that real-time biological annotation can
inform optimization efforts and library syntheses by illuminating trends relating
to biological activity that would be difficult to predict if only chemical
structure were considered. We anticipate that probe and drug discovery will
benefit from the use of optimization efforts and libraries that implement this
approach.