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New Insights into Kinase Inhibitors II

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Bioorganic Chemistry".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 3104

Special Issue Editor


E-Mail Website1 Website2
Guest Editor
1. Experimental Pharmacology Laboratory, Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
2. Dipartimento Salute della Donna e del Bambino, Università degli Studi di Padova, Padua, Italy
Interests: anticancer compounds; chemotherapy resistance; kinase inhibitors; antimitotic compounds; cancer pharmacology
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Special Issue Information

Dear Colleagues,

This issue is a continuation of the previous successful Special Issue “New Insights into Kinase Inhibitors”.

In the last 30 years, kinases have been widely studied as drug targets to inhibit proliferation and angiogenesis in cancer therapy. Kinase inhibitors now represent one of the major classes of chemotherapeutics, with 52 kinase inhibitors having been approved as anticancer agents.

To date, 538 kinases are found to be active in the human body, where they are responsible for the phosphorylation of up to one-third of the proteome in controlling migration, survival, proliferation, and other processes via phosphorylation cascades. Moreover, aberrant kinase activity has been described to have an important role not only in cancer but also in inflammatory, degenerative, immunological, metabolic, and cardiovascular diseases.

Although their druggability and clinical safety profile make kinases attractive targets, the majority of kinases are still unexplored, and the field of kinase inhibitors is still growing.

This Special Issue will highlight new insights into the discovery of new kinase inhibitors, from the investigation of new targets to the identification of novel small molecules. Contributions to this issue, both in the form of original articles or reviews, may focus on powerful strategies and technological advances in the synthesis of more efficient and selective compounds, new strategies to overcome kinase inhibitors resistance, and improvements regarding the use of kinase inhibitors in oncology and other pathologies, in which therapeutic combinations with less toxic and off-target effects are considered.

Dr. Roberta Bortolozzi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • kinase inhibitors
  • kinase inhibitors chemistry
  • therapy resistance
  • combination therapy
  • antitumoral activity

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Published Papers (1 paper)

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Research

15 pages, 8550 KiB  
Article
In Silico and In Vitro Study of Janus Kinases Inhibitors from Naphthoquinones
by Kamonpan Sanachai, Panupong Mahalapbutr, Lueacha Tabtimmai, Supaphorn Seetaha, Nantawat Kaekratoke, Supakarn Chamni, Syed Sikander Azam, Kiattawee Choowongkomon and Thanyada Rungrotmongkol
Molecules 2023, 28(2), 597; https://doi.org/10.3390/molecules28020597 - 6 Jan 2023
Cited by 2 | Viewed by 2458
Abstract
Janus kinases (JAKs) are involved in numerous cellular signaling processes related to immune cell functions. JAK2 and JAK3 are associated with the pathogenesis of leukemia and common lymphoid-derived illnesses. JAK2/3 inhibitors could reduce the risk of various diseases by targeting this pathway. Herein, [...] Read more.
Janus kinases (JAKs) are involved in numerous cellular signaling processes related to immune cell functions. JAK2 and JAK3 are associated with the pathogenesis of leukemia and common lymphoid-derived illnesses. JAK2/3 inhibitors could reduce the risk of various diseases by targeting this pathway. Herein, the naphthoquinones were experimentally and theoretically investigated to identify novel JAK2/3 inhibitors. Napabucasin and 2′-methyl napabucasin exhibited potent cell growth inhibition in TF1 (IC50 = 9.57 and 18.10 μM) and HEL (IC50 = 3.31 and 6.65 μM) erythroleukemia cell lines, and they significantly inhibited JAK2/3 kinase activity (in a nanomolar range) better than the known JAK inhibitor, tofacitinib. Flow cytometric analysis revealed that these two compounds induced apoptosis in TF1 cells in a time and dose-dependent manner. From the molecular dynamics study, both compounds formed hydrogen bonds with Y931 and L932 residues and hydrophobically contacted with the conserved hinge region, G loop, and catalytic loop of the JAK2. Our obtained results suggested that napabucasin and its methylated analog were potential candidates for further development of novel anticancer drug targeting JAKs. Full article
(This article belongs to the Special Issue New Insights into Kinase Inhibitors II)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Clinical Impact of Kinase Inhibitors in various Central Nervous System Disorders
Authors: Rishi M. Nadar1, Suhrud Pathak1, Sindhu Ramesh1, Timothy Moore1, Jun Ren2,3, *, Muralikrishnan Dhanasekaran1*,
Affiliation: 1Department of Drug Discovery and Development, Auburn University Harrison School of Pharmacy, Auburn, AL, USA. 2Department of Cardiology, Zhongshan Hospital Fudan University, Shanghai, China. 3Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
Abstract: Neurodegenerative diseases are currently incurable, irreversible, and debilitating neurological conditions caused by increased specific neuronal cell death in a well-defined region of the brain. Common neurodegenerative diseases include Alzheimer's (AD), Parkinson's disease (PD), and Huntington's disease (HD). Most neurodegenerative disorders affect the adult/elderly population of those in advanced ages of 65 years or older and are projected to escalate drastically in the future. AD is responsible for the majority of cases of disability and morbidity in the elderly and is the most prevalent cause of dementia worldwide. PD is the second most typical neurodegenerative disorder characterized by progressive loss of both motor and non-motor functions due to nigral dopaminergic neurodegeneration. Motor symptoms include bradykinesia, postural instability, rigidity, and tremors. At the same time, non-motor symptoms can present as mood disorders, anxiety, depression, and cognitive impairment, which occur before motor symptoms. While some cases of neurologic diseases are reversible and are related to depression, drug intoxication, and hormone imbalances, 80% of cases of neurodegenerative disorders are irreversible. A number of hypotheses have been advanced to describe the pathogenesis of neurodegenerative diseases, with one of the main current theories being the role of kinases. It is suggested that kinases have a substantial role in the etiopathology of major neurodegenerative diseases. Thus, kinases are a current novel drug target as supported by the significant kinase inhibitors being validated by in-silico, in vitro, in vivo, and clinical trials. The protein kinase gene family comprises more than five hundred gene families and represents nearly 2% of all human genes. Functionally, protein kinases assist the transfer of the terminal phosphate group of adenosine triphosphate (ATP) to an amino acid residue (serine, threonine, tyrosine) within a polypeptide chain. A large number of proteins (20%) may be altered by the activity of kinase activity which consequently results in a functional change of the target protein by altering cellular activity, location, or association with other proteins. Accordingly, protein kinases control a wide variety of cellular functions through the coordinated transmission and intensification of cellular stimuli into distinct biological responses through coordinated signal transduction cascades. Anomalous regulation of protein kinase activity results in abnormal protein deposition, oxidative stress, apoptosis, inflammation, excitotoxicity, and mitochondrial dysfunction associated with assorted predictable disease states such as cancer, inflammatory diseases, metabolic syndromes, autoimmune pathologies, and neurological/ neurodegenerative disorders. Thus, identifying appropriate kinase inhibitors that can cross the blood-brain barriers can significantly reduce neurodegeneration and improve healthcare. The current review article will establish the valuable clinical Impact of kinase Inhibitors on various neurodegenerative disorders.

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