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Antibodies offer great potential for the treatment of various diseases. However, the discovery of therapeutic antibodies through traditional wet lab methods is expensive and time-consuming. The use of generative models in designing…

Deep generative models are attracting great attention as a new promising approach for molecular design. All models reported so far are based on either variational autoencoder (VAE) or generative adversarial network (GAN). Here we propose a…

Chemical Physics · Physics 2019-12-13 Seung Hwan Hong , Jaechang Lim , Seongok Ryu , Woo Youn Kim

One of the major applications of generative models for drug Discovery targets the lead-optimization phase. During the optimization of a lead series, it is common to have scaffold constraints imposed on the structure of the molecules…

Quantitative Methods · Quantitative Biology 2021-01-05 Maxime Langevin , Herve Minoux , Maximilien Levesque , Marc Bianciotto

Protein sequence design, determined by amino acid sequences, are essential to protein engineering problems in drug discovery. Prior approaches have resorted to evolutionary strategies or Monte-Carlo methods for protein design, but often…

Deep generative models, such as generative adversarial networks (GANs), have been employed for $de~novo$ molecular generation in drug discovery. Most prior studies have utilized reinforcement learning (RL) algorithms, particularly Monte…

Biomolecules · Quantitative Biology 2025-09-09 Huidong Tang , Chen Li , Sayaka Kamei , Yoshihiro Yamanishi , Yasuhiko Morimoto

The efficient exploration of chemical space remains a central challenge, as many generative models still produce unstable or non-synthesizable compounds. To address these limitations, we present EvoMol-RL, a significant extension of the…

Machine Learning · Computer Science 2025-10-02 Gaelle Milon-Harnois , Chaimaa Touhami , Nicolas Gutowski , Benoit Da Mota , Thomas Cauchy

Computational protein design, i.e. inferring novel and diverse protein sequences consistent with a given structure, remains a major unsolved challenge. Recently, deep generative models that learn from sequences alone or from sequences and…

Biomolecules · Quantitative Biology 2021-11-15 Igor Melnyk , Payel Das , Vijil Chenthamarakshan , Aurelie Lozano

Conventional reinforcement learning (RL) allows an agent to learn policies via environmental rewards only, with a long and slow learning curve, especially at the beginning stage. On the contrary, human learning is usually much faster…

Artificial Intelligence · Computer Science 2019-12-25 Daoming Lyu , Fangkai Yang , Bo Liu , Steven Gustafson

Acute Myeloid Leukemia (AML) remains a clinical challenge due to its extreme molecular heterogeneity and high relapse rates. While precision medicine has introduced mutation-specific therapies, many patients still lack effective,…

Automating molecular design using deep reinforcement learning (RL) holds the promise of accelerating the discovery of new chemical compounds. Existing approaches work with molecular graphs and thus ignore the location of atoms in space,…

Machine Learning · Statistics 2021-03-02 Gregor N. C. Simm , Robert Pinsler , José Miguel Hernández-Lobato

Lung cancer is a condition where there is abnormal growth of malignant cells that spread in an uncontrollable fashion in the lungs. Some common treatment strategies are surgery, chemotherapy, and radiation which aren't the best options due…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Ann Rachel , Pranav M Pawar , Mithun Mukharjee , Raja M , Tojo Mathew

Predicting the response of a specific cancer to a therapy is a major goal in modern oncology that should ultimately lead to a personalised treatment. High-throughput screenings of potentially active compounds against a panel of genomically…

Current molecular generative models primarily focus on improving drug-target binding affinity and specificity, often neglecting the system-level phenotypic effects elicited by compounds. Transcriptional profiles, as molecule-level readouts…

Chemical Physics · Physics 2025-09-29 Ran Song , Hui Liu

Recent advancements in image classification have demonstrated that contrastive learning (CL) can aid in further learning tasks by acquiring good feature representation from a limited number of data samples. In this paper, we applied CL to…

Machine Learning · Computer Science 2024-10-22 Anchen Sun , Elizabeth J. Franzmann , Zhibin Chen , Xiaodong Cai

Recently, utilizing reinforcement learning (RL) to generate molecules with desired properties has been highlighted as a promising strategy for drug design. A molecular docking program - a physical simulation that estimates protein-small…

Quantitative Methods · Quantitative Biology 2021-10-28 Soojung Yang , Doyeong Hwang , Seul Lee , Seongok Ryu , Sung Ju Hwang

In the scope of drug discovery, the molecular design aims to identify novel compounds from the chemical space where the potential drug-like molecules are estimated to be in the order of 10^60 - 10^100. Since this search task is…

Machine Learning · Computer Science 2022-10-25 Wenlu Wang , Ye Wang , Honggang Zhao , Simone Sciabola

A rational design of new therapeutic drugs aims to find a molecular structure with desired biological functionality, e.g., an ability to activate or suppress a specific protein via binding to it. Molecular docking is a common technique for…

Recent advancements in deep learning-based modeling of molecules promise to accelerate in silico drug discovery. A plethora of generative models is available, building molecules either atom-by-atom and bond-by-bond or fragment-by-fragment.…

Anti-cancer drug sensitivity prediction using deep learning models for individual cell line is a significant challenge in personalized medicine. REFINED (REpresentation of Features as Images with NEighborhood Dependencies) CNN…

Machine Learning · Computer Science 2021-07-22 Omid Bazgir , Souparno Ghosh , Ranadip Pal

Cancer is a primary cause of human death, but discovering drugs and tailoring cancer therapies are expensive and time-consuming. We seek to facilitate the discovery of new drugs and treatment strategies for cancer using variational…

Machine Learning · Computer Science 2021-04-16 Hongyuan Dong , Jiaqing Xie , Zhi Jing , Dexin Ren