Evidence map›Paper›PMID 37973971›Full record

ArticleCommunications chemistry2023

Variational autoencoder-based chemical latent space for large molecular structures with 3D complexity.

Toshiki Ochiai, Tensei Inukai, Manato Akiyama, Kairi Furui, Masahito Ohue, Nobuaki Matsumori, Shinsuke Inuki, Motonari Uesugi, Toshiaki Sunazuka, Kazuya Kikuchi and 2 more

Abstract read
In one paragraph

Article in Communications chemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed.

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  5. Unveiling key descriptorsChemical science · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Toshiki OchiaiDepartment of Biosciences and Informatics, Keio University, Yokohama, Kanagawa, 223-8522, Japan.
Tensei InukaiDepartment of Biosciences and Informatics, Keio University, Yokohama, Kanagawa, 223-8522, Japan.
Manato AkiyamaDepartment of Biosciences and Informatics, Keio University, Yokohama, Kanagawa, 223-8522, Japan.
Kairi FuruiDepartment of Computer Science, School of Computing, Tokyo Institute of Technology, Yokohama, Kanagawa, 226-8501, Japan.ORCID http://orcid.org/0000-0003-1097-0003
Masahito OhueDepartment of Computer Science, School of Computing, Tokyo Institute of Technology, Yokohama, Kanagawa, 226-8501, Japan.ORCID http://orcid.org/0000-0002-0120-1643
Nobuaki MatsumoriDepartment of Chemistry, Graduate School of Science, Kyushu University, Fukuoka, Fukuoka, 819-0395, Japan.ORCID http://orcid.org/0000-0003-0495-2044
Shinsuke InukiDivision of Medicinal Frontier Sciences, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Kyoto, 606-8501, Japan.
Motonari UesugiInstitute for Chemical Research and WPI-iCeMS, Kyoto University, Uji, Kyoto, 611-0011, Japan.ORCID http://orcid.org/0000-0002-8515-445X
Toshiaki SunazukaOmura Satoshi Memorial Institute and Graduate School of Infection Control Sciences, Kitasato University, Minato-ku, Tokyo, 108-8641, Japan.
Kazuya KikuchiDepartment of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan.
Hideaki KakeyaDivision of Medicinal Frontier Sciences, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Kyoto, 606-8501, Japan.ORCID http://orcid.org/0000-0002-4293-7331
Yasubumi SakakibaraDepartment of Biosciences and Informatics, Keio University, Yokohama, Kanagawa, 223-8522, Japan. yasu@bio.keio.ac.jp.ORCID http://orcid.org/0000-0002-6932-3452

Funding

Ministry of Education, Culture, Sports, Science and Technology (MEXT) 17H06410Ministry of Education, Culture, Sports, Science and Technology (MEXT) 22H04901Ministry of Education, Culture, Sports, Science and Technology (MEXT) 23H04880Ministry of Education, Culture, Sports, Science and Technology (MEXT) 23H04881Ministry of Education, Culture, Sports, Science and Technology (MEXT) 23H04885Ministry of Education, Culture, Sports, Science and Technology (MEXT) 23H04887
6 · The paper itself

Abstract

The structural diversity of chemical libraries, which are systematic collections of compounds that have potential to bind to biomolecules, can be represented by chemical latent space. A chemical latent space is a projection of a compound structure into a mathematical space based on several molecular features, and it can express structural diversity within a compound library in order to explore a broader chemical space and generate novel compound structures for drug candidates. In this study, we developed a deep-learning method, called NP-VAE (Natural Product-oriented Variational Autoencoder), based on variational autoencoder for managing hard-to-analyze datasets from DrugBank and large molecular structures such as natural compounds with chirality, an essential factor in the 3D complexity of compounds. NP-VAE was successful in constructing the chemical latent space from large-sized compounds that were unable to be handled in existing methods, achieving higher reconstruction accuracy, and demonstrating stable performance as a generative model across various indices. Furthermore, by exploring the acquired latent space, we succeeded in comprehensively analyzing a compound library containing natural compounds and generating novel compound structures with optimized functions.

Identifiers

PMID37973971
PMCPMC10654724

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.