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In this study, we aimed to investigate smallmolecules that could potentially inhibit PTP-PEST for further development of PTP-PEST inhibitors. Till now only a few inhibitors are currently being studied in the inhibition of PTP-PEST, majorly belonging to the class of metal-based drugs.
Here, we report the chemical proteomic discovery of electrophilic smallmolecules that stereoselectively and site-specifically bind the pioneer TF, FOXA1, at a cysteine (C258) within the forkhead DNA-binding domain. Chemical probes are lacking for pioneer TFs, which has hindered their mechanistic investigation in cells.
Smallmolecule drugs make up most of the drugs we take conveniently as pills, including painkillers like ibuprofen (Advil), antibiotics like penicillin and amoxicillin, or cholesterol-lowering drugs like atorvastatin (Lipitor). The smallmolecules drugs of today look nothing like the molecules of the 1970s.
Modulating PPIs with smallmolecules has gained increasing attention in drug discovery, particularly targeting the 14-3-3 protein family, which interacts with several hundred client proteins and plays a central role in cellular networks.
Empress Therapeutics claims its technology allows it to identify chemical drug candidates faster and more reliably. It has $50 million from Flagship to prove it can.
Our findings reveal a striking plasticity underpinning the pioneering function of FOXA1 that can be controlled by smallmolecules. Motif analysis supports a mechanism where the ligands relax the canonical DNA-binding preference of FOXA1 by strengthening interactions with suboptimal sequences in predicted proximity to C258.
Here, we show the structure-based optimization of the nonselective fragment toward selective and highly potent small-molecule stabilizers of the 14-3-3σ/ERα complex. We have previously identified a disulfide fragment that stabilized the hub protein 14-3-3σ bound to several of its clients, including ERα and C-RAF.
Herein, we use afatinib as a lead to undertake a structure-based drug design approach, aided by mass-spectrometry and x-ray crystallography, to develop DHC-156, a smallmolecule that more selectively binds brachyury and downmodulates it as potently as afatinib.
In a new breakthrough that could revolutionise medical and material engineering, scientists have developed a first-of-its-kind molecular device that controls the release of multiple smallmolecules using force.
ABSTRACT Drug targeting strategies, such as peptidedrug conjugates (PDCs), have arisen to combat the issue of off-target toxicity that is commonly associated with chemotherapeutic smallmolecule drugs.
Through a series of structure-based design, ADME and solubility optimization, LP0200 was shown to exhibit high potency and safety comparable to approved IL-17A and IL-17RA targeting mAbs (more in our report of first disclosures from the EFMC-ISMC and this article on smallmolecule immunomodulators ). LP0200 has completed a Ph.
While smallmolecule inhibitors for the G12C mutant have been successfully developed, allele-specific inhibition for other KRAS hotspot mutants remains challenging. Shokat Journal of the American Chemical Society 2022 144 (35), 15916-15921 DOI: 10.1021/jacs.2c05377
Schönherr, H.; Taylor, A. Casaletto, J. Moustakas, D. Hudson, B. Valverde, R.; O’Hearn, P. Sharon, D. Garfinkle, S.; Giordanetto, F.; Lescarbeau, A.; Kurukulasuriya, R.; Gerami-Moayed, N.; Bruderek, K.; Gunaydin, H.; Boezio, A. McLean, T. Shaw, D.
The active ingredient in many drugs is what's known as a smallmolecule: bigger than water, much smaller than an antibody and mainly made of carbon. It's tough, however, to make these molecules if they require a quaternary carbon -- a carbon atom bonded to four other carbon atoms.
This review highlights recent advancements in smallmolecule inhibitors targeting Cdc2-like kinase 4 (Clk4), emphasizing their potential in treating cancers and neurodegenerative diseases. This review highlights recent advancements in Clk4 inhibitors, covering both natural, and synthetic compounds.
Researchers have succeeded in restoring lost brain function in mouse models of stroke using smallmolecules that in the future could potentially be developed into a stroke recovery therapy.
The startup is developing a kind of macrocyles, which share strengths of both smallmolecules and biologics, as oral medicines against “validated blockbuster biologic targets.”
Under a collaboration with NextRNA Therapeutics, Bayer will access the biotech’s platform to target long, non-coding RNA interactions with smallmolecule drugs.
A team of chemists has succeeded in synthesizing eight of the compounds for the first time using an approach that combines inventive chemical strategy with the latest technology in smallmolecule structure determination.
Their specificity reduces the likelihood of off-target effects, making them safer and often more effective than small-molecule drugs for complex conditions. As a result… Source
Significance Statement This study examines the effects of clinically relevant smallmolecule BCR-ABL tyrosine kinase inhibitors (TKIs) on platelet activity. Overall, these new insights around the effects of ABL TKIs on platelet function could inform the development of targeted therapies with reduced hematologic toxicities.
a new Italian incubator dedicated to the discovery and development of smallmolecule-based treatments for neurodegenerative diseases, announced today that it has adopted Collaborative Drug Discovery’s CDD Vault as its platform of choice for managing drug discovery data.
Rullo Molecular Therapy 2024 DOI: [link] Proximity-induction of cell-cell interactions via smallmolecules represents an emerging field in basic and translational sciences. The molecules, termed covalent immune recruiters (CIRs), were designed to affinity label and covalently engage SARs.
Cravatt, B.; Hayward, R.; DeMeester, K.; Ogasawara, D.; Schreiber, S.; Melillo, B. ChemRxiv 2023 [link] Covalent chemistry is a versatile approach for expanding the ligandability of the human proteome.
The First Disclosures sessions at the 2023 ACS Fall Meeting in San Francisco, organized by Nikki Goodwin , presented a variety of new orally available smallmolecules. The standing room-only sessions were so highly attended that many attendees were unfortunately kicked out due to the fire code.
The study examines the frequency, distribution, prevalence, and diversity of oxygen atoms in a dataset of 2049 smallmolecules approved by the FDA and other agencies. This work presents a comprehensive analysis of oxygen atoms in approved drugs, aiming to streamline drug design and discovery efforts.
Despite the current hype around so called “advanced therapies”, which range from gene editing to cell therapies, and the inexorable advance of biologic therapeutics such as monoclonal antibodies, even in 2022 the majority of drugs in development and reaching patients are still small organic molecules.
3c06622 Targeted protein degradation relies on smallmolecules that induce new protein–protein interactions between targets and the cellular protein degradation machinery. Most of these smallmolecules feature specific ligands for ubiquitin ligases.
The smallmolecule, which binds to an inner region of a calcium channel to indirectly regulate it, outperformed gabapentin without troublesome side effects, providing a promising candidate for treating pain.
The range of smallmolecules explored by chemical proteomics has, however, been limited. Our findings show the utility of photo-stereoprobes for expanding the ligandable proteome, furnishing target engagement assays, and discovering and characterizing bioactive smallmolecules by cell-based screening.
Ebert, Nathanael Gray bioRxiv 2023 [link] Smallmolecules that can induce protein degradation by inducing proximity between a desired target and an E3 ligase have the potential to greatly expand the number of proteins that can be manipulated pharmacologically. Rutter, Cyrus Y. Jin, Michelle Y. Wang, Shawn Xu, Anna M.
Knowledge of the molecular interactions acquired from such structures would greatly aid the discovery of smallmolecule inhibitors of sPLA 2 s for the treatment of snakebite envenoming. In addition, the complex of the sPLA 2 inhibitor, varespladib, with a Lys49-PLA 2 -like snake venom toxin is also discussed.
3c00297 Falling in between traditional smallmolecules and antibodies in size, peptides are emerging as a privileged therapeutic modality, one that can harness the benefits of both smallmolecule and antibody drugs. Mengmeng Zheng and Jianmin Gao ACS Chemical Biology 2023 DOI: 10.1021/acschembio.3c00297
link] Proteins labelled site-specifically with smallmolecules are valuable assets for chemical biology and drug development. By using this approach in tandem with BHoPAL, we generate dually labelled protein bioconjugates appended with different labels at two distinct specific sites on a single protein molecule.
3c01835 Building on recent advances in peptide science, medicinal chemists have developed a hybrid class of bioconjugates, called peptide–drug conjugates, that demonstrate improved efficacy compared to peptides and smallmolecules independently. Moore Journal of Medicinal Chemistry 2024 DOI: 10.1021/acs.jmedchem.3c01835
This capability becomes particularly valuable in addressing challenges such as the low affinity frequently encountered between therapeutic proteins and their targets, as well as the limited availability of smallmolecules for specific protein targets.
The assay design is to discover bioactive smallmolecules that restore proliferation in T. brucei We hypothesized that chemically disrupting the SLiM-binding pocket would restore proliferation in T. brucei brucei , overproducing PCNA orthologs. Testing this hypothesis is the proof-of-concept for a T. brucei-
Winter, Bioorganic & Medicinal Chemistry Letters , 2024 [link] Targeted protein degradation is mediated by smallmolecules that induce or stabilize protein–protein interactions between targets and the ubiquitin–proteasome machinery. Gary Tin, Marko Cigler, Matthias Hinterndorfer, Kevin D. Dong, Hana Imrichova, Steven P.
Clinical advancement of LRRK2 inhibitors was initially stalled by concerns about on-target lung findings in primates, but these were ameliorated by a Merck/Genentech/Pfizer/MJFF study showing that these lung changes were reversible, and Biogen/Denali has currently a smallmolecule (BIIB122/DNL151) in Ph. I ( NCT04557800 ).
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