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Schlesinger T, Stockfleth E, Grada A, Berman B. Tirbanibulin for Actinic Keratosis: Insights into the Mechanism of Action. Clin Cosmet Investig Dermatol 2022; 15:2495-2506. [PMID: 36415541 PMCID: PMC9675993 DOI: 10.2147/ccid.s374122] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 10/19/2022] [Indexed: 08/13/2023]
Abstract
Actinic keratosis (AK) is a common pre-neoplastic skin lesion constituted by uncontrolled proliferation of atypical keratinocytes that may evolve to squamous cell carcinoma. With global prevalence increasing, AK is expected to be the most common carcinoma of the skin. Tirbanibulin is a reversible tubulin polymerization inhibitor with potent anti-proliferative and anti-tumoral effects. In-vivo and in-vitro studies have shown that tirbanibulin significantly inhibits cell proliferation, tumor growth and downregulates Src signaling with no overt toxicity. Early phase and Phase III trials have shown high lesion clearance, compliance, and few side effects of once daily tirbanibulin treatment. This review discusses tirbanibulin anti-cancer activity, focusing on tubulin polymerization and Src signaling inhibitory effects, highlighting relevant literature and novel preclinical results from the ATNXUS-KX01-001 study. Furthermore, we address the relevant findings obtained in recent clinical trials to evaluate the safety, efficacy, pharmacokinetics, clearance efficacy, and side effects of the 1% tirbanibulin ointment applied once daily. In summary, we highlight preclinical and clinical evidence on the use of tirbanibulin as an effective and safe treatment option for AK.
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Affiliation(s)
| | - Eggert Stockfleth
- Department of Dermatology, Venereology and Allergology, Ruhr-University Bochum, Bochum, Germany
| | - Ayman Grada
- Department of Dermatology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Brian Berman
- Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
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Ramadan M, A M M Elshaier Y, Aly AA, Abdel-Aziz M, Fathy HM, Brown AB, Pridgen JR, Dalby KN, Kaoud TS. Development of 2'-aminospiro [pyrano[3,2-c]quinoline]-3'-carbonitrile derivatives as non-ATP competitive Src kinase inhibitors that suppress breast cancer cell migration and proliferation. Bioorg Chem 2021; 116:105344. [PMID: 34598088 DOI: 10.1016/j.bioorg.2021.105344] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 02/03/2023]
Abstract
Src kinase activity controls diverse cellular functions, including cell growth, migration, adhesion, and survival. It is de-regulated in several cancers, including breast cancer, where it is highly expressed and phosphorylated. Thus, targeting Src by a small molecule is a feasible strategy for managing different breast cancer types. Several Src kinase inhibitors are available, including the FDA-approved drug (dasatinib). However, they are primarily ATP-competitive inhibitors that have been reported to lack specificity towards Src. We have a long-time interest in discovering protein kinase inhibitors that are non-competitive for ATP. In this project, three groups of 2'-aminospiro[pyrano[3,2-c]quinoline]-3'-carbonitrile derivatives were designed and synthesized, hypothesizing that small molecules with a spiro scaffold appended to a pyrano[3,2-c]quinoline analog could act as non-ATP competitive Src kinase inhibitors. 3b, 3c, and 3d inhibited Src kinase activity with IC50s of 4.9, 5.9, and 0.9 μM, respectively. At the same time, they did not impact the MDM2/p53 interaction in HEK293 cells, which has been reported to be affected by some spirocyclic compounds. 25 µM of 3b, 3c, or 3d did not inhibit the kinase activity of ERK2, JNK1, or p38-alpha in an in-vitro kinase assay. Steady-state kinetic studies for the effect of 3d on the ability of recombinant Src to phosphorylate its substrate (Srctide) revealed a non-ATP competitive inhibition mechanism. 1.6 µM of 3d was enough to diminish Src, Fak, and paxillin phosphorylation in the breast cancer cell lines MDA-MB-231 and MCF7. In the NCI screening, 3d induced broad tumor cytotoxicity for the NCI-60 cell lines, including all the breast cancer cell lines. The potency of 3b, 3c, and 3d to inhibit migration, proliferation, and colony formation of MDA-MB-231 and proliferation of MCF7 cells correlates with their potency to suppress Src kinase activity in the same cell line. Noticeably, the cell growth suppression and apoptosis induction in the tested cell lines can be attributed to the ability of the new derivatives to suppress the ERK and Akt survival pathways downstream of Src.
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Dorotea D, Lee S, Lee SJ, Lee G, Son JB, Choi HG, Ahn SM, Ha H. KF-1607, a Novel Pan Src Kinase Inhibitor, Attenuates Obstruction-Induced Tubulointerstitial Fibrosis in Mice. Biomol Ther (Seoul) 2021; 29:41-51. [PMID: 32690822 PMCID: PMC7771845 DOI: 10.4062/biomolther.2020.088] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 02/06/2023] Open
Abstract
Src family kinases (SFKs), an important group of non-receptor tyrosine kinases, are suggested to be excessively activated during various types of tissue fibrosis. The present study investigated the effect of KF-1607, an orally active and a newly synthesized Src kinase inhibitor (SKI) with proposed low toxicity, in preventing the progression of renal interstitial fibrosis. Unilateral ureteral obstruction (UUO) surgery was performed in 6-week-old male C57BL/6 mice to induce renal interstitial fibrosis. Either KF-1607 (30 mg/kg, oral gavage) or PP2 (2 mg/kg, intraperitoneal injection), a common experimental SKI, was administered to mice for seven days, started one day prior to surgery. UUO injury-induced SFK expression, including Src, Fyn, and Lyn kinase. SFK inhibition by KF-1607 prevented the progression of tubular injury in UUO mice, as indicated by decreases in albuminuria, urinary KIM-1 excretion, and kidney NGAL protein expression. Renal tubulointerstitial fibrosis was attenuated in response to KF-1607, as shown by decreases in α-SMA, collagen I and IV protein expression, along with reduced Masson’s trichrome and collagen-I staining in kidneys. KF-1607 also inhibited inflammation in the UUO kidney, as exhibited by reductions in F4/80 positive-staining and protein expression of p-NFκB and ICAM. Importantly, the observed effects of KF-1607 were similar to those of PP2. A new pan Src kinase inhibitor, KF-1607, is a potential pharmaceutical agent to prevent the progression of renal interstitial fibrosis.
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Affiliation(s)
- Debra Dorotea
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Seungyeon Lee
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Sun Joo Lee
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Gayoung Lee
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Jung Beom Son
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Hwan Geun Choi
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Sung-Min Ahn
- Department of Genome Medicine and Science, College of Medicine, Gachon University, Seongnam 13120, Republic of Korea.,Department of Hematology-Oncology, Gachon University Gil Hospital, Incheon 21565, Republic of Korea.,ImmunoForge, Seoul 08826, Republic of Korea
| | - Hunjoo Ha
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
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Laurenzana I, Caivano A, La Rocca F, Trino S, De Luca L, D'Alessio F, Schenone S, Falco G, Botta M, Del Vecchio L, Musto P. A Pyrazolo[3,4- d]pyrimidine Compound Reduces Cell Viability and Induces Apoptosis in Different Hematological Malignancies. Front Pharmacol 2016; 7:416. [PMID: 27872592 PMCID: PMC5098387 DOI: 10.3389/fphar.2016.00416] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 10/20/2016] [Indexed: 12/19/2022] Open
Abstract
Molecular targeted therapies are based upon drugs acting on tumors by interfering with specific targets involved in growth and spread of cancer. Many targeted therapies were approved by Food and Drug Administration as standard treatment, others were introduced into preclinical or clinical studies on hematological malignancies (HMs). The development of drug-resistance in some HMs and the lack of effective treatments in other ones emphasized the need for searching new molecular targets and therapeutic agents. The aim of this study was to evaluate the effects of 4c pyrazolo[3,4-d]pyrimidine compound, a Src inhibitor, on lymphoid and myeloid neoplasms. Here, we demonstrated its ability to reduce cell viability, induce apoptosis and cell cycle arrest in lymphoid cell lines such as Jurkat, SKMM1, Derl-2/7, and myeloid cell lines, such as Jurl-MK1. Moreover, we reported a high expression of a Src kinase, Fyn, in these cell lines compared to healthy subjects. This study was a starting point to investigate 4c pyrazolo[3,4-d]pyrimidine compound as a drug for HMs and Src kinases as its potential molecular targets.
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Affiliation(s)
- Ilaria Laurenzana
- Laboratory of Preclinical and Translational Research, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
| | - Antonella Caivano
- Laboratory of Preclinical and Translational Research, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
| | - Francesco La Rocca
- Laboratory of Preclinical and Translational Research, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
| | - Stefania Trino
- Laboratory of Preclinical and Translational Research, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
| | - Luciana De Luca
- Laboratory of Preclinical and Translational Research, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
| | | | | | - Geppino Falco
- Department of Biology, University of Naples Federico II Naples, Italy
| | - Maurizio Botta
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena Siena, Italy
| | - Luigi Del Vecchio
- Biotecnologie Avanzate s.c.a.r.l., CEINGENapoli, Italy; Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico IINaples, Italy
| | - Pellegrino Musto
- Scientific Direction, IRCCS - Referral Cancer Center of Basilicata (CROB), Rionero in Vulture Potenza, Italy
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Kim S, Min A, Lee KH, Yang Y, Kim TY, Lim JM, Park SJ, Nam HJ, Kim JE, Song SH, Han SW, Oh DY, Kim JH, Kim TY, Hangauer D, Lau JYN, Im K, Lee DS, Bang YJ, Im SA. Antitumor Effect of KX-01 through Inhibiting Src Family Kinases and Mitosis. Cancer Res Treat 2016; 49:643-655. [PMID: 27737538 PMCID: PMC5512373 DOI: 10.4143/crt.2016.168] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 09/17/2016] [Indexed: 12/26/2022] Open
Abstract
PURPOSE KX-01 is a novel dual inhibitor of Src and tubulin. Unlike previous Src inhibitors that failed to show clinical benefit during treatment of breast cancer, KX-01 can potentially overcome the therapeutic limitations of current Src inhibitors through inhibition of both Src and tubulin. The present study further evaluates the activity and mechanism of KX-01 in vitro and in vivo. MATERIALS AND METHODS The antitumor effect of KX-01 in triple negative breast cancer (TNBC) cell lines was determined by MTT assay. Wound healing and immunofluorescence assays were performed to evaluate the action mechanisms of KX-01. Changes in the cell cycle and molecular changes induced by KX-01 were also evaluated. A MDA-MB-231 mouse xenograft model was used to demonstrate the in vivo effects. RESULTS KX-01 effectively inhibited the growth of breast cancer cell lines. The expression of phospho-Src and proliferative-signaling molecules were down-regulated in KX-01-sensitive TNBC cell lines. In addition, migration inhibition was observed by wound healing assay. KX-01-induced G2/M cell cycle arrest and increased the aneuploid cell population in KX-01-sensitive cell lines. Multi-nucleated cells were significantly increased after KX-01 treatment. Furthermore, KX-01 effectively delayed tumor growth in a MDA-MB-231 mouse xenograft model. CONCLUSION KX-01 effectively inhibited cell growth and migration of TNBC cells. Moreover, this study demonstrated that KX-01 showed antitumor effects through the inhibition of Src signaling and the induction of mitotic catastrophe. The antitumor effects of KX-01 were also demonstrated in vivo using a mouse xenograft model.
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Affiliation(s)
- Seongyeong Kim
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Ahrum Min
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Kyung-Hun Lee
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Yaewon Yang
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Tae-Yong Kim
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jee Min Lim
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - So Jung Park
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Hyun-Jin Nam
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Jung Eun Kim
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Sang-Hyun Song
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Sae-Won Han
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Do-Youn Oh
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jee Hyun Kim
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.,Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Tae-You Kim
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - David Hangauer
- Kinex Pharmaceutical Corporation, New York State Center of Excellence in Bioinformartics and Life Sciences, NY, USA
| | - Johnson Yiu-Nam Lau
- Kinex Pharmaceutical Corporation, New York State Center of Excellence in Bioinformartics and Life Sciences, NY, USA
| | - Kyongok Im
- Cancer Research Institute, Seoul National University, Seoul, Korea
| | - Dong Soon Lee
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Yung-Jue Bang
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Seock-Ah Im
- Cancer Research Institute, Seoul National University, Seoul, Korea.,Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
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Ciarcia R, Damiano S, Montagnaro S, Pagnini U, Ruocco A, Caparrotti G, d'Angelo D, Boffo S, Morales F, Rizzolio F, Florio S, Giordano A. Combined effects of PI3K and SRC kinase inhibitors with imatinib on intracellular calcium levels, autophagy, and apoptosis in CML-PBL cells. Cell Cycle 2013; 12:2839-48. [PMID: 23966159 DOI: 10.4161/cc.25920] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Imatinib induces a complete cytogenetic regression in a large percentage of patients affected by chronic myeloid leukemia (CML) until mutations in the kinase domain of BCR-ABL appear. Alternative strategies for CML patients include the inhibition of phosphatidylinositol 3-kinase (PI3K)-Akt-mammalian target of rapamycin (mTOR) pathway, which is constitutively activated in leukemia cells and seems important for the regulation of cell proliferation, viability, and autophagy. In this study, we verified the effect of imatinib mesylate (IM), alone or in association with LY294002 (LY) (a specific PI3K protein tyrosine kinase inhibitor) or 4-amino-5-(4-methylphenyl)-7-(t-butyl)pyrazolo[3,4-d]-pyrimidine (PP1) (a Src tyrosine kinase inhibitor), on viability, intracellular calcium mobilization, apoptosis, and autophagy, in order to verify possible mechanisms of interaction. Our data demonstrated that PP1 and LY interact synergistically with IM by inducing apoptosis and autophagy in Bcr/Abl+ leukemia cells and this mechanism is related to the stress of the endoplasmic reticulum (ER). Our findings suggest a reasonable relationship between apoptotic and autophagic activity of tyrosine kinase inhibitors (TKIs) and the functionality of smooth ER Ca (2+)-ATPase and inositol triphosphate receptors, independently of intracellular calcium levels. Therapeutic strategies combining imatinib with PI3K and/or Src kinase inhibitors warrant further investigations in Bcr/Abl+ malignancies, particularly in the cases of imatinib mesylate-resistant disease.
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Affiliation(s)
- Roberto Ciarcia
- Department of Veterinary Medicine and Animal Production; Sections of Pharmacology and Infectious Diseases; University of Naples "Federico II"; Naples, Italy
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