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Dosunmu GT, Shergill A. Colorectal Cancer: Genetic Underpinning and Molecular Therapeutics for Precision Medicine. Genes (Basel) 2024; 15:538. [PMID: 38790167 PMCID: PMC11120657 DOI: 10.3390/genes15050538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/16/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
Colorectal cancer (CRC) accounts for about 10% of all cancer cases and 9% of cancer-related deaths globally. In the United States alone, CRC represents approximately 12.6% of all cancer cases, with a mortality rate of about 8%. CRC is now the first leading cause of cancer death in men younger than age 50 and second in women younger than age 50. This review delves into the genetic landscape of CRC, highlighting key mutations and their implications in disease progression and treatment. We provide an overview of the current and emerging therapeutic strategies tailored to individual genomic profiles.
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Affiliation(s)
| | - Ardaman Shergill
- Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL 60637, USA;
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2
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Pagba CV, Gupta AK, Dilsha K, Sadrpour P, Jakubec J, Prakash P, van der Hoeven D, Cho KJ, Gilbertson S, Gorfe AA. Biophysical and Biochemical Characterization of Structurally Diverse Small Molecule Hits for KRAS Inhibition. Chembiochem 2024; 25:e202300827. [PMID: 38349283 DOI: 10.1002/cbic.202300827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/12/2024] [Indexed: 03/08/2024]
Abstract
We describe six compounds as early hits for the development of direct inhibitors of KRAS, an important anticancer drug target. We show that these compounds bind to KRAS with affinities in the low micromolar range and exert different effects on its interactions with binding partners. Some of the compounds exhibit selective binding to the activated form of KRAS and inhibit signal transduction through both the MAPK or the phosphatidylinositide 3-kinase PI3K-protein kinase B (AKT) pathway in cells expressing mutant KRAS. Most inhibit intrinsic and/or SOS-mediated KRAS activation while others inhibit RAS-effector interaction. We propose these compounds as starting points for the development of non-covalent allosteric KRAS inhibitors.
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Affiliation(s)
- Cynthia V Pagba
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, Texas, 77030, USA
| | - Amit K Gupta
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, Texas, 77030, USA
| | - Kasuni Dilsha
- Department of Chemistry, University of Houston, 3585 Cullen Blvd., Houston, TX 77204, USA
| | - Parisa Sadrpour
- Department of Biochemistry and Molecular Biology, Wright State University, 3640 Colonel Glenn Hwy, Dayton, OH 45435, USA
| | - Jacob Jakubec
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, Texas, 77030, USA
| | - Priyanka Prakash
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, Texas, 77030, USA
| | - Dharini van der Hoeven
- Department of Diagnostic and Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, 7500 Cambridge St., Houston, Texas, 77030, USA
| | - Kwang-Jin Cho
- Department of Biochemistry and Molecular Biology, Wright State University, 3640 Colonel Glenn Hwy, Dayton, OH 45435, USA
| | - Scott Gilbertson
- Department of Chemistry, University of Houston, 3585 Cullen Blvd., Houston, TX 77204, USA
| | - Alemayehu A Gorfe
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 6431 Fannin St., Houston, Texas, 77030, USA
- Biochemistry and Cell Biology Program & Therapeutics and Pharmacology Program, UTHealth MD Anderson Cancer Center Graduate School of Biomedical Sciences, Houston, 6431 Fannin St., Houston, Texas, 77030, USA
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3
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Sahu P, Mitra A, Ganguly A. Targeting KRAS and SHP2 signaling pathways for immunomodulation and improving treatment outcomes in solid tumors. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2024; 386:167-222. [PMID: 38782499 DOI: 10.1016/bs.ircmb.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Historically, KRAS has been considered 'undruggable' inspite of being one of the most frequently altered oncogenic proteins in solid tumors, primarily due to the paucity of pharmacologically 'druggable' pockets within the mutant isoforms. However, pioneering developments in drug design capable of targeting the mutant KRAS isoforms especially KRASG12C-mutant cancers, have opened the doors for emergence of combination therapies comprising of a plethora of inhibitors targeting different signaling pathways. SHP2 signaling pathway, primarily known for activation of intracellular signaling pathways such as KRAS has come up as a potential target for such combination therapies as it emerged to be the signaling protein connecting KRAS and the immune signaling pathways and providing the link for understanding the overlapping regions of RAS/ERK/MAPK signaling cascade. Thus, SHP2 inhibitors having potent tumoricidal activity as well as role in immunomodulation have generated keen interest in researchers to explore its potential as combination therapy in KRAS mutant solid tumors. However, the excitement with these combination therapies need to overcome challenges thrown up by drug resistance and enhanced toxicity. In this review, we will discuss KRAS and SHP2 signaling pathways and their roles in immunomodulation and regulation of tumor microenvironment and also analyze the positive effects and drawbacks of the different combination therapies targeted at these signaling pathways along with their present and future potential to treat solid tumors.
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Affiliation(s)
- Priyanka Sahu
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY, United States
| | - Ankita Mitra
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY, United States
| | - Anirban Ganguly
- Department of Biochemistry, All India Institute of Medical Sciences, Deoghar, Jharkhand, India.
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4
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Sunaga N, Miura Y, Masuda T, Sakurai R. Role of Epiregulin in Lung Tumorigenesis and Therapeutic Resistance. Cancers (Basel) 2024; 16:710. [PMID: 38398101 PMCID: PMC10886815 DOI: 10.3390/cancers16040710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/25/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Epidermal growth factor (EGF) signaling regulates multiple cellular processes and plays an essential role in tumorigenesis. Epiregulin (EREG), a member of the EGF family, binds to the epidermal growth factor receptor (EGFR) and ErbB4, and it stimulates EGFR-related downstream pathways. Increasing evidence indicates that both the aberrant expression and oncogenic function of EREG play pivotal roles in tumor development in many human cancers, including non-small cell lung cancer (NSCLC). EREG overexpression is induced by activating mutations in the EGFR, KRAS, and BRAF and contributes to the aggressive phenotypes of NSCLC with oncogenic drivers. Recent studies have elucidated the roles of EREG in a tumor microenvironment, including the epithelial-mesenchymal transition, angiogenesis, immune evasion, and resistance to anticancer therapy. In this review, we summarized the current understanding of EREG as an oncogene and discussed its oncogenic role in lung tumorigenesis and therapeutic resistance.
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Affiliation(s)
- Noriaki Sunaga
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-Machi, Maebashi 371-8511, Gunma, Japan; (Y.M.); (T.M.)
| | - Yosuke Miura
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-Machi, Maebashi 371-8511, Gunma, Japan; (Y.M.); (T.M.)
| | - Tomomi Masuda
- Department of Respiratory Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-Machi, Maebashi 371-8511, Gunma, Japan; (Y.M.); (T.M.)
| | - Reiko Sakurai
- Oncology Center, Gunma University Hospital, 3-39-15 Showa-Machi, Maebashi 371-8511, Gunma, Japan;
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5
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Zheng J, Dou Y, Huang D, Wang Y, Han R, Hu C, Zhu M, Lu C, Lin C, Wu D, Liu Y, Tang H, He T, Jiang W, He Y. Overall signature of acquired KRAS gene changes in advanced non-small cell lung cancer patient with EGFR-TKI resistance. Jpn J Clin Oncol 2024; 54:89-96. [PMID: 37721193 DOI: 10.1093/jjco/hyad123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/24/2023] [Indexed: 09/19/2023] Open
Abstract
OBJECTIVE Numerous scattered case studies continue to demonstrate a strong correlation between acquired KRAS mutations and epidermal growth factor receptor-tyrosine kinase inhibitor resistance in non-small cell lung cancer. However, the comprehensive understanding of the KRAS pathway following the failure of epidermal growth factor receptor-tyrosine kinase inhibitor therapy remains limited. METHODS We conducted a retrospective evaluation of the next generation sequencing data from 323 patients with advanced non-small cell lung cancer and EGFR-activating mutations after experiencing progression with epidermal growth factor receptor-tyrosine kinase inhibitor therapy. Our analysis specifically focused on the acquired changes to the KRAS gene. RESULTS Among the 323 patients with advanced non-small cell lung cancer and EGFR-activating mutations who experienced resistance to epidermal growth factor receptor-tyrosine kinase inhibitor therapy, 14 individuals (4.3%) developed resistance due to acquired KRAS alterations. Of these 14 patients, 10 cases (71.4%) were due to KRAS missense mutations, 1 case (7.2%) was due to KRAS gene fusion and 3 cases (21.4%) were due to KRAS amplification. Notably, we identified one newly demonstrated KRAS gene fusion (KRAS and LMNTD1), one KRAS G13D and one KRAS K117N. The emergence of acquired KRAS alterations was often accompanied by novel mutations and high tumor mutation burden, with TP53, CNKN2A, PIK3CA, MYC, STK11, CDK4, BRCA2 and ERBB2 being the most frequently observed concurrent mutations. The median progression-free survival and overall survival for the 14 patients were 5.2 and 7.3 months, respectively. Acquired KRAS missense variants were associated with significantly worse progression-free survival compared with other KRAS variant subtypes (P < 0.028). CONCLUSIONS This study provides significant evidence of the role of acquired KRAS variants in the development of resistance to epidermal growth factor receptor-tyrosine kinase inhibitor therapy. Our results contribute to the growing body of knowledge on the mutational profiles associated with resistance to epidermal growth factor receptor-tyrosine kinase inhibitor treatment. Furthermore, our study highlights the KRAS gene change as a significant mechanism of resistance to epidermal growth factor receptor-tyrosine kinase inhibitor therapy.
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Affiliation(s)
- Jie Zheng
- School of Medicine, Chongqing University, Chongqing, China
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yuanyao Dou
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, China
| | - Daijuan Huang
- School of Medicine, Chongqing University, Chongqing, China
| | - Yubo Wang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Rui Han
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Chen Hu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Mengxiao Zhu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Conghua Lu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Caiyu Lin
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Di Wu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yihui Liu
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Huan Tang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Tingting He
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Weilin Jiang
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
| | - Yong He
- School of Medicine, Chongqing University, Chongqing, China
- Department of Respiratory Disease, Daping Hospital, Army Medical University, Chongqing, China
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Pagba CV, Gupta AK, Gorfe AA. Small-Molecule Inhibition of KRAS through Conformational Selection. ACS OMEGA 2023; 8:31419-31426. [PMID: 37663463 PMCID: PMC10468774 DOI: 10.1021/acsomega.3c04013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/09/2023] [Indexed: 09/05/2023]
Abstract
Mutations in KRAS account for about 20% of human cancers. Despite the major progress in recent years toward the development of KRAS inhibitors, including the discovery of covalent inhibitors of the G12C KRAS variant for the treatment of non-small-cell lung cancer, much work remains to be done to discover broad-acting inhibitors to treat many other KRAS-driven cancers. In a previous report, we showed that a 308.4 Da small-molecule ligand [(2R)-2-(N'-(1H-indole-3-carbonyl)hydrazino)-2-phenyl-acetamide] binds to KRAS with low micro-molar affinity [Chem. Biol. Drug Des.2019; 94(2):1441-1456]. Binding of this ligand, which we call ACA22, to the p1 pocket of KRAS and its interactions with residues at beta-strand 1 and the switch loops have been supported by data from nuclear magnetic resonance spectroscopy and microscale thermophoresis experiments. However, the inhibitory potential of the compound was not demonstrated. Here, we show that ACA22 inhibits KRAS-mediated signal transduction in cells expressing wild type (WT) and G12D mutant KRAS and reduces levels of guanosine triphosphate-loaded WT KRAS more effectively than G12D KRAS. We ruled out the direct effect on nucleotide exchange or effector binding as possible mechanisms of inhibition using a variety of biophysical assays. Combining these observations with binding data that show comparable affinities of the compound for the active and inactive forms of the mutant but not the WT, we propose conformational selection as a possible mechanism of action of ACA22.
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Affiliation(s)
- Cynthia V Pagba
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas 77030, United States
| | - Amit K Gupta
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas 77030, United States
| | - Alemayehu A Gorfe
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas 77030, United States
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Oyedele AQK, Ogunlana AT, Boyenle ID, Ibrahim NO, Gbadebo IO, Owolabi NA, Ayoola AM, Francis AC, Eyinade OH, Adelusi TI. Pharmacophoric analogs of sotorasib-entrapped KRAS G12C in its inactive GDP-bound conformation: covalent docking and molecular dynamics investigations. Mol Divers 2023; 27:1795-1807. [PMID: 36271195 DOI: 10.1007/s11030-022-10534-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/20/2022] [Indexed: 11/29/2022]
Abstract
For decades, KRAS G12C was considered an undruggable target. However, in recent times, a covalent inhibitor known as sotorasib was discovered and approved for the treatment of patients with KRAS G12C-driven cancers. Ever since the discovery of this drug, several preclinical efforts have focused on identifying novel therapeutic candidates that could act as covalent binders of KRAS G12C. Despite these intensive efforts, only a few KRAS G12C inhibitors have entered clinical trials. Hence, this highlights the need to develop effective drug candidates that could be used in the treatment of KRAS G12C-driven cancers. Herein, we embarked on a virtual screening campaign that involves the identification of pharmacophores of sotorasib that could act as covalent arsenals against the KRAS G12C target. To our knowledge, this is the first computational study that involves the compilation of sotorasib pharmacophores from an online chemical database against KRAS G12C. After this library of chemical entities was compiled, we conducted a covalent docking-based virtual screening that revealed three promising drug candidates (CID_146235944, CID_160070181, and CID_140956845) binding covalently to the crucial nucleophilic side chain of Cys12 and interact with the residues that form the cryptic allosteric pocket of KRAS G12C in its inactive GDP-bound conformation. Subsequently, ADMET profiling portrayed the covalent inhibitors as lead-like candidates, while 100 ns molecular dynamics was used to substantiate their stability. Although our overall computational study has shown the promising potential of the lead-like candidates in impeding oncogenic RAS signaling, more experimental efforts are needed to validate and establish their preclinical relevance. Implication of KRAS G12C in cancer and computational approach towards impeding the KRAS G12C RAS signaling.
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Affiliation(s)
- Abdul-Quddus Kehinde Oyedele
- Computational Biology/Drug Discovery Laboratory, Department of Biochemistry, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
- Department of Chemistry, University of New Haven, West Haven, CT, USA
- Department of Biochemistry and Nutrition, Nigerian Institute of Medical Research (NIMR), Yaba, Lagos, Nigeria
| | - Abdeen Tunde Ogunlana
- Computational Biology/Drug Discovery Laboratory, Department of Biochemistry, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
| | - Ibrahim Damilare Boyenle
- Computational Biology/Drug Discovery Laboratory, Department of Biochemistry, Ladoke Akintola University of Technology, Ogbomosho, Nigeria
- Department of Chemistry and Biochemistry, University of Maryland, Maryland, USA
- College of Health Sciences, Crescent University, Abeokuta, Nigeria
| | | | | | | | - Ashiru Mojeed Ayoola
- Biochemistry Unit, Department of Chemical Sciences, College of Natural and Applied Science, Fountain University, Osogbo, Nigeria
| | - Ann Christopher Francis
- Department of Biochemistry and Nutrition, Nigerian Institute of Medical Research (NIMR), Yaba, Lagos, Nigeria
| | - Olajumoke Habeebah Eyinade
- Department of Biochemistry and Nutrition, Nigerian Institute of Medical Research (NIMR), Yaba, Lagos, Nigeria
| | - Temitope Isaac Adelusi
- Computational Biology/Drug Discovery Laboratory, Department of Biochemistry, Ladoke Akintola University of Technology, Ogbomosho, Nigeria.
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J. Hakeem I, Alsharif FH, Aljadani M, Fahad Alabbas I, Faqihi MS, Aloufi AH, Almutairi WA, Akber AH, Alam Q. Molecular docking analysis of KRAS inhibitors for cancer management. Bioinformation 2023; 19:411-416. [PMID: 37822837 PMCID: PMC10563554 DOI: 10.6026/97320630019411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/30/2023] [Accepted: 04/30/2023] [Indexed: 10/13/2023] Open
Abstract
The majority of human tumors are characterized by abnormal signaling caused by oncogenic RAS proteins. KRAS is a member of the RAS family and is currently one of the most thoroughly researched targets for cancer treatment due to its prevalence in a variety of deadly malignancies. Targeting the KRAS protein, which plays a crucial role in regulating cell growth, differentiation, and apoptosis, shows great potential as a strategy for fighting cancer. Herein, in silico screening of 530 natural compounds against KRAS protein was performed. The top-scoring hits, namely ZINC32502206, ZINC98363763, ZINC85645815, and ZINC98364259 displayed a robust affinity towards KRAS as evidenced by their respective binding affinity values of -10.50, -10.01, -9.80, and -9.70 kcal/mol, respectively which were notably higher than that of the control compound AMG 510 (-9.10 kcal/mol). Through virtual screening and visual inspection, it was observed that these hits effectively interacted with the essential residues located within the active site of KRAS. Based on the findings of this study, it can be inferred that these compounds may have the potential to be employed in the treatment of cancer by targeting KRAS.
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Affiliation(s)
- Israa J. Hakeem
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Fatmah Hazza Alsharif
- Department of Medical Surgical Nursing Oncology and Palliative Care Nursing, Faculty of Nursing, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Majidah Aljadani
- Department of Chemistry, College of Sciences and Arts, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Ibrahim Fahad Alabbas
- Central Military Laboratory and Blood Bank Department - Virology Division, Prince Sultan Military Medical City, Riyadh 12233, Saudi Arabia
| | - Mohammed Saud Faqihi
- Central Military Laboratory and Blood Bank Department - Microbiology Division, Prince Sultan Military Medical City, Riyadh 12233, Saudi Arabia
| | - Ahmed Hamdan Aloufi
- Department of Pathology and Laboratory Medicine, Imam Abdulrahman bin Faisal Hospital Ministry of National Guard Health Affairs, P.O. Box 34232 Dhahran, Saudi Arabia
| | - Wael Abdullah Almutairi
- Department of Respiratory Services, Ministry of National Guard Hospital and Health Affairs (MNGHA) P.O. box 22490, kingdom of Saudi Arabia
| | - Asif Hussain Akber
- Central Military Laboratory and Blood Bank Department - Virology Division, Prince Sultan Military Medical City, Riyadh 12233, Saudi Arabia
| | - Qamre Alam
- Molecular Genomics and Precision Medicine Department, ExpressMed laboratories, Block, 359, Zinj, Kingdom of Bahrain
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9
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Tammaccaro SL, Prigent P, Le Bail JC, Dos-Santos O, Dassencourt L, Eskandar M, Buzy A, Venier O, Guillemot JC, Veeranagouda Y, Didier M, Spanakis E, Kanno T, Cesaroni M, Mathieu S, Canard L, Casse A, Windenberger F, Calvet L, Noblet L, Sidhu S, Debussche L, Moll J, Valtingojer I. TEAD Inhibitors Sensitize KRASG12C Inhibitors via Dual Cell Cycle Arrest in KRASG12C-Mutant NSCLC. Pharmaceuticals (Basel) 2023; 16:ph16040553. [PMID: 37111311 PMCID: PMC10142471 DOI: 10.3390/ph16040553] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
KRASG12C is one of the most common mutations detected in non-small cell lung cancer (NSCLC) patients, and it is a marker of poor prognosis. The first FDA-approved KRASG12C inhibitors, sotorasib and adagrasib, have been an enormous breakthrough for patients with KRASG12C mutant NSCLC; however, resistance to therapy is emerging. The transcriptional coactivators YAP1/TAZ and the family of transcription factors TEAD1-4 are the downstream effectors of the Hippo pathway and regulate essential cellular processes such as cell proliferation and cell survival. YAP1/TAZ-TEAD activity has further been implicated as a mechanism of resistance to targeted therapies. Here, we investigate the effect of combining TEAD inhibitors with KRASG12C inhibitors in KRASG12C mutant NSCLC tumor models. We show that TEAD inhibitors, while being inactive as single agents in KRASG12C-driven NSCLC cells, enhance KRASG12C inhibitor-mediated anti-tumor efficacy in vitro and in vivo. Mechanistically, the dual inhibition of KRASG12C and TEAD results in the downregulation of MYC and E2F signatures and in the alteration of the G2/M checkpoint, converging in an increase in G1 and a decrease in G2/M cell cycle phases. Our data suggest that the co-inhibition of KRASG12C and TEAD leads to a specific dual cell cycle arrest in KRASG12C NSCLC cells.
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Affiliation(s)
| | | | | | | | | | | | - Armelle Buzy
- Bio Structure and Biophysics, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Olivier Venier
- Small Molecules Medicinal Chemistry, Sanofi R&D, 91380 Chilly-Mazarin, France
| | - Jean-Claude Guillemot
- Genomics and Proteomics, Translational Sciences, Sanofi R&D, 91380 Chilly-Mazarin, France
| | - Yaligara Veeranagouda
- Genomics and Proteomics, Translational Sciences, Sanofi R&D, 91380 Chilly-Mazarin, France
| | - Michel Didier
- Genomics and Proteomics, Translational Sciences, Sanofi R&D, 91380 Chilly-Mazarin, France
| | | | - Tokuwa Kanno
- Precision Oncology, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Matteo Cesaroni
- Precision Oncology, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Stephane Mathieu
- Molecular & Digital Histopathology, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Luc Canard
- Molecular & Digital Histopathology, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Alhassan Casse
- Molecular & Digital Histopathology, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | - Fanny Windenberger
- Non-Clinical Efficacy and Safety, Sanofi R&D, 94400 Vitry-sur-Seine, France
| | | | | | | | | | - Jurgen Moll
- Oncology, Sanofi R&D, 94400 Vitry-sur-Seine, France
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10
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Integrated Decision-Making in the Treatment of Colon-Rectal Cancer: The Case of KRAS-Mutated Tumors. Life (Basel) 2023; 13:life13020395. [PMID: 36836752 PMCID: PMC9967356 DOI: 10.3390/life13020395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/24/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
In recent years, precision medicine has taken an increasing place in various branches of medical oncology, including colorectal cancer. Among the potentially relevant mutations for this cancer is the KRAS mutation, initially defined as "untargetable"; today, we see the birth of new molecules that target one of the variants of the KRAS mutation, KRAS G12C, having a significant impact on the therapeutic options for other malignancies, such as metastatic lung cancer. This fundamental step forward has stimulated scientific research on other potential targets of KRAS, both indirect and direct, and combination treatments aiming to overcome the mechanisms of resistance to these drugs that decrease in efficacy in colorectal cancer. What was once a negative predictive marker of response to anti-EGFR drugs today has become a potential target for targeted treatments. In turn, the prognostic role of the mutation has become extremely interesting, making it a potentially useful element in therapeutic decision-making, not only regarding oncological treatments but also in a more complex and complete manner within a global vision of the patient, involving other figures on the multidisciplinary team, such as surgeons, radiotherapists, and interventional radiologists.
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11
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Oh KY, Kim JH, Cho SD, Yoon HJ, Lee JI, Hong SD. BRAF V600E and previously unidentified KRAS G12C mutations in odontogenic tumors may affect MAPK activation differently depending on tumor type. Genes Chromosomes Cancer 2022; 61:481-490. [PMID: 35353428 DOI: 10.1002/gcc.23040] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 11/10/2022] Open
Abstract
Although several types of odontogenic tumors share the same mutations in MAPK pathway genes, their effects on MAPK activation remain unclarified. This study aimed to evaluate the associations between these mutations and ERK phosphorylation in ameloblastoma and mixed odontogenic tumors (MOTs) and to analyze the expression pattern of phosphorylated ERK (p-ERK) for determining the involvement of MAPK activation in the development and progression of odontogenic tumors. Forty-three odontogenic tumors consisting of 18 ameloblastomas and 25 MOTs were analyzed for BRAF, KRAS, and NRAS mutations by Sanger sequencing. The expressions of BRAFV600E protein and p-ERK were detected by immunohistochemistry. The associations of mutation status and p-ERK expression were statistically analyzed. In ameloblastoma cells, the effect of BRAFV600E inhibition on MAPK activation was investigated. In benign MOTs, BRAFV600E mutations were neither expressed at the protein level nor associated with p-ERK expression. In contrast, BRAFV600E -mutant ameloblastic fibrosarcoma showed co-expression of BRAF V600E protein and p-ERK, especially in the sarcomatous component. In ameloblastoma, p-ERK was predominantly expressed in the tumor periphery showing a significant correlation with BRAFV600E mutations, and in vitro BRAFV600E inhibition decreased ERK phosphorylation. KRASG12C mutations, previously unidentified in odontogenic tumors, were detected in one case each of benign MOT and ameloblastoma; only the latter was high-p-ERK. In conclusion, unlike in benign MOTs, BRAFV600E and KRASG12C mutations lead to MAPK activation in ameloblastoma, suggesting their role as therapeutic targets. p-ERK intratumoral heterogeneity indicates that MAPK pathway activation may be associated with sarcomatous proliferation of ameloblastic fibrosarcoma and infiltrative behavior of ameloblastoma. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Kyu-Young Oh
- Department of Oral Pathology, Seoul National University Dental Hospital, Seoul, Republic of Korea.,Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Ji-Hoon Kim
- Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Sung-Dae Cho
- Department of Oral Pathology, Seoul National University Dental Hospital, Seoul, Republic of Korea.,Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Hye-Jung Yoon
- Department of Oral Pathology, Seoul National University Dental Hospital, Seoul, Republic of Korea.,Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Jae-Il Lee
- Department of Oral Pathology, Seoul National University Dental Hospital, Seoul, Republic of Korea.,Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Seong-Doo Hong
- Department of Oral Pathology, Seoul National University Dental Hospital, Seoul, Republic of Korea.,Department of Oral Pathology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
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Daily Practice Assessment of KRAS Status in NSCLC Patients: A New Challenge for the Thoracic Pathologist Is Right around the Corner. Cancers (Basel) 2022; 14:cancers14071628. [PMID: 35406400 PMCID: PMC8996900 DOI: 10.3390/cancers14071628] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 12/16/2022] Open
Abstract
Simple Summary RAS mutation is the most frequent oncogenic alteration in human cancers and KRAS is the most frequently mutated, notably in non-small cell lung carcinomas (NSCLC). Various attempts to inhibit KRAS in the past were unsuccessful in these latter tumors. However, recently, several small molecules (AMG510, MRTX849, JNJ-74699157, and LY3499446) have been developed to specifically target KRAS G12C-mutated tumors, which seems promising for patient treatment and should soon be administered in daily practice for non-squamous (NS)-NSCLC. In this context, it will be mandatory to systematically assess the KRAS status in routine clinical practice, at least in advanced NS-NSCLC, leading to new challenges for thoracic oncologists. Abstract KRAS mutations are among the most frequent genomic alterations identified in non-squamous non-small cell lung carcinomas (NS-NSCLC), notably in lung adenocarcinomas. In most cases, these mutations are mutually exclusive, with different genomic alterations currently known to be sensitive to therapies targeting EGFR, ALK, BRAF, ROS1, and NTRK. Recently, several promising clinical trials targeting KRAS mutations, particularly for KRAS G12C-mutated NSCLC, have established new hope for better treatment of patients. In parallel, other studies have shown that NSCLC harboring co-mutations in KRAS and STK11 or KEAP1 have demonstrated primary resistance to immune checkpoint inhibitors. Thus, the assessment of the KRAS status in advanced-stage NS-NSCLC has become essential to setting up an optimal therapeutic strategy in these patients. This stimulated the development of new algorithms for the management of NSCLC samples in pathology laboratories and conditioned reorganization of optimal health care of lung cancer patients by the thoracic pathologists. This review addresses the recent data concerning the detection of KRAS mutations in NSCLC and focuses on the new challenges facing pathologists in daily practice for KRAS status assessment.
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Li Y, Han L, Zhang Z. Understanding the influence of AMG 510 on the structure of KRAS G12C empowered by molecular dynamics simulation. Comput Struct Biotechnol J 2022; 20:1056-1067. [PMID: 35284050 PMCID: PMC8894142 DOI: 10.1016/j.csbj.2022.02.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/21/2022] [Accepted: 02/21/2022] [Indexed: 02/07/2023] Open
Abstract
The KRASG12C mutant is often associated with human cancers, and AMG 510 as a promising covalent inhibitor of KRASG12C has achieved surprising efficacy in clinical trials. However, the interaction mechanism between KRASG12C and AMG 510 is not completely understood. Here, we performed all-atom molecular dynamics simulations on the complex of KRASG12C-AMG 510 to explore the influence of this covalent inhibitor on the conformational change of KRASG12C. A PCA (Principal Component Analysis) model was constructed based on known KRAS crystal structures to distinguish different conformations (active, inactive, and other). By mapping simulation trajectories onto the PCA model, we observed that the conformations of KRASG12C bound with AMG 510 were mainly concentrated in the inactive conformation. Further analysis demonstrated that AMG 510 reduced the flexibility of two switch regions to make the complex of KRASG12C-AMG 510 restricted in the inactive conformation. In the meantime, we also identified key interacting residues between KRASG12C and AMG 510 through the calculation of binding energy. Finally, we built a series of KRAS second-site mutation systems (i.e. KRASG12C/mutations) to conduct large-scale screening of potential resistance mutations. By further combining MD simulations and the PCA model, we not only recapitulated the currently known resistance mutations of AMG 510 successfully but also proposed some novel potential resistant mutations. Taken together, these results broaden our insight into the influence of AMG 510 on the conformational change of the KRASG12C mutant at the atomic level, thereby providing crucial hints for the improvement and optimization of drug candidates.
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Affiliation(s)
- Yu Li
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Lei Han
- Cancer Molecular Diagnostics Core, Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Ziding Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
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Ogunlana AT, Kehinde Oyedele AQ, Boyenle ID, Ayoola SO, Ajibare AC, Adeyemi AO, Jinadu LA, Adenrele OT, Alausa AO, Adelusi TI. Computer-aided drug design of some KRAS G12C inhibitors: Targeting the covalent and allosteric binding site for cancer therapy. INFORMATICS IN MEDICINE UNLOCKED 2022. [DOI: 10.1016/j.imu.2022.101032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022] Open
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