{"id":4813,"date":"2026-01-25T12:08:41","date_gmt":"2026-01-25T10:08:41","guid":{"rendered":"https:\/\/blog.molport.com\/?p=4813"},"modified":"2026-01-13T12:22:02","modified_gmt":"2026-01-13T10:22:02","slug":"science-picks-by-molport-january-2026","status":"publish","type":"post","link":"https:\/\/blog.molport.com\/news\/science-picks-by-molport-january-2026\/","title":{"rendered":"Science Picks by Molport- January 2026"},"content":{"rendered":"<h2 class=\"article_header-title\" tabindex=\"0\"><span class=\"hlFld-Title\">Discovery of Zilucoplan: A Complement C5 Inhibitor for Treatment of Anti-Acetylcholine Receptor (AChR) Antibody-Positive Generalized Myasthenia Gravis (gMG)<\/span><\/h2>\n<p><a href=\"https:\/\/pubs.acs.org\/doi\/full\/10.1021\/acs.jmedchem.5c02537\">https:\/\/pubs.acs.org\/doi\/full\/10.1021\/acs.jmedchem.5c02537<\/a><\/p>\n<p>Abstract<\/p>\n<p>Complement component 5 (C5) is a protein in the complement cascade and a part of the innate immune system that has been clinically validated as a therapeutic target for several immune-mediated diseases including generalized myasthenia gravis (gMG). In this paper, we discuss the early discovery of zilucoplan, a macrocyclic peptide drug, which was identified via innovative extreme diversity mRNA display (<span class=\"NLM_string-name\">Ma, Z.<\/span>;\u00a0<span class=\"NLM_string-name\">Hartman, M. C. T.<\/span>\u00a0In Vitro Selection of Unnatural Cyclic Peptide Libraries via mRNA Display. In\u00a0<cite><i>Ribosome Display and Related Technologies: Methods and Protocols<\/i><\/cite>;\u00a0<span class=\"references__editors\"><span class=\"NLM_string-name\">Douthwaite, J. A.<\/span><span class=\"NLM_string-name\">Jackson, R. H.<\/span><\/span>, Eds.; Springer: New York,\u00a0<span class=\"NLM_year\">2012<\/span>; pp 367\u2212390.) against C5 and approved for the treatment of gMG. We highlight the key steps and rationale behind the peptide medicinal chemistry optimization of the initial screening hits, that led to improved potency, stability, and pharmacokinetic properties.<\/p>\n<h2 class=\"article_header-title\" tabindex=\"0\"><span class=\"hlFld-Title\">Design, Optimization, and Biological Evaluation of First-in-Class Triple Inhibitors of SGLT1, SGLT2, and DPP4 for Type 2 Diabetes Mellitus<\/span><\/h2>\n<p><a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02225\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02225<\/a><\/p>\n<p>Abstract<\/p>\n<p>Type 2 diabetes care has evolved with DPP4, SGLT2, and SGLT1\/2 inhibitors, but still many patients face hyperglycemia and high cardiorenal risk. Here, we designed unprecedented triple-targeted inhibitors of SGLT1\/2 and DPP4 by leveraging information on binding modes of existing inhibitors. Balanced inhibition was achieved across targets while maintaining desirable pharmacokinetics with long-lasting kidney exposure. Lead compounds\u00a0<b>64<\/b>\u00a0(IC<sub>50<\/sub>: DPP4 = 356 nM, SGLT1 = 1.29 \u03bcM, SGLT2 = 170 nM),\u00a0<b>99<\/b>\u00a0(58 nM, 23 nM, 0.8 nM), and\u00a0<b>101<\/b>\u00a0(72 nM, 6.7 nM, 0.8 nM) induced glucosuria in nondiabetic rats. Following oral glucose challenge in Zucker diabetic rats, they demonstrated statistically superior plasma glycemic control versus SGLT2-selective inhibitor dapagliflozin and conferred a prolonged increase in active GLP-1 relative to the SGLT1\/2 inhibitor sotagliflozin, implying synergistic SGLT1 and DPP4 inhibition. These results support triple-targeted inhibitors as multitarget, multiorgan drug candidates for improved glycemic control and cardiorenal benefits.<\/p>\n<h2 class=\"article_header-title\" tabindex=\"0\"><span class=\"hlFld-Title\">Discovery of an In Vitro and In Vivo Potent Nicotinic \u03b17 Positive Allosteric Modulator Clinical Candidate Molecule (RGH-857)<\/span><\/h2>\n<p><a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02408\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02408<\/a><\/p>\n<p>While identifying \u03b17 nACh receptor positive allosteric modulators, a novel scaffold (1,1-dioxo-thiadiazine core) emerged from our HTS campaign, exhibiting unusually low lipophilicity compared to other screening hits. During the hit-to-lead optimization, the importance of different structural elements was evaluated. Upon combination of the best building blocks, first a lead molecule (<b>25<\/b>), then after a subsequent lead optimization, a clinical candidate compound (<b>51<\/b>,\u00a0<b>RGH-857<\/b>) was identified. Having the most balanced physicochemical and\u00a0<i>in vitro<\/i>\u00a0pharmacological profile combined with significant\u00a0<i>in vivo<\/i>\u00a0efficacy in models of scopolamine-induced amnesia and natural forgetting, our results suggest that cognitive enhancement through the positive modulation of \u03b17 nAChRs can be a viable approach to targeting cognitive decline.<\/p>\n<h2 class=\"article_header-title\" tabindex=\"0\"><span class=\"hlFld-Title\">BET Isoform Selectivity through Diverse Linkers for Bivalent Inhibitors: GSK785, a BRD2\/4-Selective Bivalent BET Inhibitor<\/span><\/h2>\n<p><a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c00622\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c00622<\/a><\/p>\n<p>The inhibition of the Bromodomain and Extra Terminal (BET) family of proteins has been widely studied for over a decade for its potential therapeutic benefit in cancer and immuno-inflammatory diseases. Selective inhibition within the four BET isoforms has been sought to facilitate the understanding of the individual role played by each family member and to mitigate pharmacologically driven tolerability limitations observed in the clinic for pan-BET inhibitors. Herein, we present an investigation into the potential for isoform selectivity using bivalent inhibitors with constrained linker geometries. By employing a set of conformationally restricted diamines as linkers between two BET-binding warheads, this work details the design and synthesis of two iterations of bivalent molecules. While finding the BET isoforms to be highly accommodating of bivalent molecules with diverse linker geometries, we present the discovery of\u00a0<b>9h<\/b>\u00a0(GSK785), a bivalent inhibitor with an unprecedented BRD2\/4-selective, BRD3 sparing profile.<\/p>\n<h2 class=\"article_header-title\" tabindex=\"0\"><span class=\"hlFld-Title\">DNA-Encoded Chemical Library Screening with Target Titration Analysis: DELTA<\/span><\/h2>\n<p><a href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02259\">https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acs.jmedchem.5c02259<\/a><\/p>\n<p>DNA-encoded chemical libraries (DELs) enable the highly efficient screening of billions of small molecules for binding to a target of interest and provide valuable training data for machine learning models for virtual screening. However, DEL screening data are notoriously noisy due in large part to significant variance in the synthetic yield of library members. Here, we show an analysis from a split-sample DEL screening strategy against Bruton\u2019s tyrosine kinase (BTK), which includes a panel of affinity selections against the target at varying concentrations and a probabilistic model to estimate the binding affinity and relative input concentrations of library members. We compared model predictions to SPR measurements of resynthesized DNA-conjugated compounds and found that this methodology yielded an improved ranking of library members by binding affinity compared to enrichment metrics. Additionally, the method successfully recovered a library member with a potent binding affinity that would not have been detected in our standard DEL selection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discovery of Zilucoplan: A Complement C5 Inhibitor for Treatment of Anti-Acetylcholine Receptor (AChR) Antibody-Positive Generalized Myasthenia Gravis (gMG) https:\/\/pubs.acs.org\/doi\/full\/10.1021\/acs.jmedchem.5c02537 Abstract Complement component 5 (C5) is a protein in the complement cascade and a part of the innate immune system that has been clinically validated as a therapeutic target for several immune-mediated diseases including generalized myasthenia<\/p>\n","protected":false},"author":6,"featured_media":4816,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70],"tags":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/posts\/4813"}],"collection":[{"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/comments?post=4813"}],"version-history":[{"count":2,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/posts\/4813\/revisions"}],"predecessor-version":[{"id":4815,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/posts\/4813\/revisions\/4815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/media\/4816"}],"wp:attachment":[{"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/media?parent=4813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/categories?post=4813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.molport.com\/wp-json\/wp\/v2\/tags?post=4813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}