1
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Malek Mohammadi M, Rismanchi H, Esmailzadeh S, Farahani A, Hedayati N, Alimohammadi M, Mafi A, Farahani N, Hushmandi K. The emerging role of circular RNAs in cisplatin resistance in ovarian cancer: From molecular mechanism to future potential. Noncoding RNA Res 2024; 9:1280-1291. [PMID: 39040815 PMCID: PMC11261309 DOI: 10.1016/j.ncrna.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/05/2024] [Accepted: 05/19/2024] [Indexed: 07/24/2024] Open
Abstract
Ovarian cancer (OC) is the most common cause of death in female cancers. The prognosis of OC is very poor due to delayed diagnosis and identification of most patients in advanced stages, metastasis, recurrence, and resistance to chemotherapy. As chemotherapy with platinum-based drugs such as cisplatin (DDP) is the main treatment in most OC cases, resistance to DDP is an important obstacle to achieving satisfactory therapeutic efficacy. Consequently, knowing the different molecular mechanisms involved in resistance to DDP is necessary to achieve new therapeutic approaches. According to numerous recent studies, non-coding RNAs (ncRNAs) could regulate proliferation, differentiation, apoptosis, and chemoresistance in many cancers, including OC. Most of these ncRNAs are released by tumor cells into human fluid, allowing them to be used as tools for diagnosis. CircRNAs are ncRNA family members that have a role in the initiation, progression, and chemoresistance regulation of various cancers. In the current study, we investigated the roles of several circRNAs and their signaling pathways on OC progression and also on DDP resistance during chemotherapy.
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Affiliation(s)
| | - Hamidreza Rismanchi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shakiba Esmailzadeh
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aryan Farahani
- Student Research Committee, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Neda Hedayati
- School of Medicine, Iran University of Medical Science, Tehran, Iran
| | - Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Mafi
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Najma Farahani
- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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2
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Kawale AS, Zou L. Regulation, functional impact, and therapeutic targeting of APOBEC3A in cancer. DNA Repair (Amst) 2024; 141:103734. [PMID: 39047499 DOI: 10.1016/j.dnarep.2024.103734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 07/16/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
Enzymes of the apolipoprotein B mRNA editing catalytic polypeptide like (APOBEC) family are cytosine deaminases that convert cytosine to uracil in DNA and RNA. Among these proteins, APOBEC3 sub-family members, APOBEC3A (A3A) and APOBEC3B (A3B), are prominent sources of mutagenesis in cancer cells. The aberrant expression of A3A and A3B in cancer cells leads to accumulation of mutations with specific single-base substitution (SBS) signatures, characterized by C→T and C→G changes, in a number of tumor types. In addition to fueling mutagenesis, A3A and A3B, particularly A3A, induce DNA replication stress, DNA damage, and chromosomal instability through their catalytic activities, triggering a range of cellular responses. Thus, A3A/B have emerged as key drivers of genome evolution during cancer development, contributing to tumorigenesis, tumor heterogeneity, and therapeutic resistance. Yet, the expression of A3A/B in cancer cells presents a cancer vulnerability that can be exploited therapeutically. In this review, we discuss the recent studies that shed light on the mechanisms regulating A3A expression and the impact of A3A in cancer. We also review recent advances in the development of A3A inhibitors and provide perspectives on the future directions of A3A research.
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Affiliation(s)
- Ajinkya S Kawale
- Massachusetts General Hospital Cancer Center and Harvard Medical School, Boston, MA, USA
| | - Lee Zou
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA.
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3
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Dorighi KM, Zhu A, Fortin JP, Hung-Hao Lo J, Sudhamsu J, Wendorff TJ, Durinck S, Callow M, Foster SA, Haley B. Accelerated drug-resistant variant discovery with an enhanced, scalable mutagenic base editor platform. Cell Rep 2024; 43:114313. [PMID: 38838224 DOI: 10.1016/j.celrep.2024.114313] [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: 11/09/2023] [Revised: 04/19/2024] [Accepted: 05/17/2024] [Indexed: 06/07/2024] Open
Abstract
Personalized cancer therapeutics bring directed treatment options to patients based on their tumor's genetic signature. Unfortunately, tumor genomes are remarkably adaptable, and acquired resistance through gene mutation frequently occurs. Identifying mutations that promote resistance within drug-treated patient populations can be cost, resource, and time intensive. Accordingly, base editing, enabled by Cas9-deaminase domain fusions, has emerged as a promising approach for rapid, large-scale gene variant screening in situ. Here, we adapt and optimize a conditional activation-induced cytidine deaminase (AID)-dead Cas9 (dCas9) system, which demonstrates greater heterogeneity of edits with an expanded footprint compared to the most commonly utilized cytosine base editor, BE4. In combination with a custom single guide RNA (sgRNA) library, we identify individual and compound variants in epidermal growth factor receptor (EGFR) and v-raf murine sarcoma viral oncogene homolog B1 (BRAF) that confer resistance to established EGFR inhibitors. This system and analytical pipeline provide a simple, highly scalable platform for cis or trans drug-modifying variant discovery and for uncovering valuable insights into protein structure-function relationships.
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Affiliation(s)
- Kristel M Dorighi
- Department of Molecular Biology, Genentech, Inc., South San Francisco, CA 94080, USA.
| | - Anqi Zhu
- Department of OMNI Bioinformatics, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Jean-Philippe Fortin
- Department of Data Science and Statistical Computing, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Jerry Hung-Hao Lo
- Department of Oncology Bioinformatics, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Jawahar Sudhamsu
- Department of Structural Biology, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Timothy J Wendorff
- Department of Structural Biology, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Steffen Durinck
- Department of Oncology Bioinformatics, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Marinella Callow
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Scott A Foster
- Department of Discovery Oncology, Genentech, Inc., South San Francisco, CA 94080, USA
| | - Benjamin Haley
- Department of Molecular Biology, Genentech, Inc., South San Francisco, CA 94080, USA.
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4
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Dilenko H, Bartoň Tománková K, Válková L, Hošíková B, Kolaříková M, Malina L, Bajgar R, Kolářová H. Graphene-Based Photodynamic Therapy and Overcoming Cancer Resistance Mechanisms: A Comprehensive Review. Int J Nanomedicine 2024; 19:5637-5680. [PMID: 38882538 PMCID: PMC11179671 DOI: 10.2147/ijn.s461300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 05/09/2024] [Indexed: 06/18/2024] Open
Abstract
Photodynamic therapy (PDT) is a non-invasive therapy that has made significant progress in treating different diseases, including cancer, by utilizing new nanotechnology products such as graphene and its derivatives. Graphene-based materials have large surface area and photothermal effects thereby making them suitable candidates for PDT or photo-active drug carriers. The remarkable photophysical properties of graphene derivates facilitate the efficient generation of reactive oxygen species (ROS) upon light irradiation, which destroys cancer cells. Surface functionalization of graphene and its materials can also enhance their biocompatibility and anticancer activity. The paper delves into the distinct roles played by graphene-based materials in PDT such as photosensitizers (PS) and drug carriers while at the same time considers how these materials could be used to circumvent cancer resistance. This will provide readers with an extensive discussion of various pathways contributing to PDT inefficiency. Consequently, this comprehensive review underscores the vital roles that graphene and its derivatives may play in emerging PDT strategies for cancer treatment and other medical purposes. With a better comprehension of the current state of research and the existing challenges, the integration of graphene-based materials in PDT holds great promise for developing targeted, effective, and personalized cancer treatments.
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Affiliation(s)
- Hanna Dilenko
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Kateřina Bartoň Tománková
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lucie Válková
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Barbora Hošíková
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Markéta Kolaříková
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Lukáš Malina
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Robert Bajgar
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Hana Kolářová
- Department of Biophysics, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
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5
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Siddique R, Thangavelu L, S R, Almalki WH, Kazmi I, Kumar A, Mahajan S, Kalra H, Alzarea SI, Pant K. lncRNAs and cyclin-dependent kinases: Unveiling their critical roles in cancer progression. Pathol Res Pract 2024; 258:155333. [PMID: 38723325 DOI: 10.1016/j.prp.2024.155333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/24/2024] [Accepted: 04/24/2024] [Indexed: 05/29/2024]
Abstract
Long non-coding RNAs (lncRNAs) are a diverse class of RNA molecules that do not code for proteins but play critical roles in gene regulation. One such role involves the modulation of cell cycle progression and proliferation through interactions with cyclin-dependent kinases (CDKs), key regulators of cell division. Dysregulation of CDK activity is a hallmark of cancer, contributing to uncontrolled cell growth and tumor formation. These lncRNA-CDK interactions are part of a complex network of molecular mechanisms underlying cancer pathogenesis, involving various signaling pathways and regulatory circuits. Understanding the interplay between lncRNAs, CDKs, and cancer biology holds promise for developing novel therapeutic strategies targeting these molecular targets for more effective cancer treatment. Furthermore, targeting CDKs, key cell cycle progression and proliferation regulators, offers another avenue for disrupting cancer pathways and overcoming drug resistance. This can open new possibilities for individualized treatment plans and focused therapeutic interventions.
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Affiliation(s)
- Raihan Siddique
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India
| | - Lakshmi Thangavelu
- Center for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, India.
| | - RenukaJyothi S
- Department of Biotechnology and Genetics, School of Sciences, JAIN (Deemed to be University), Bangalore, Karnataka, India
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Ashwani Kumar
- Department of Pharmacy, Vivekananda Global University, Jaipur, Rajasthan 303012, India
| | - Shriya Mahajan
- Centre of Research Impact and Outcome, Chitkara University, Rajpura, Punjab 140417, India
| | - Hitesh Kalra
- Chitkara Centre for Research and Development, Chitkara University, Himachal Pradesh 174103, India
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, 72341, Sakaka, Al-Jouf, Saudi Arabia
| | - Kumud Pant
- Graphic Era (Deemed to be University), Clement Town, Dehradun 248002, India; Graphic Era Hill University, Clement Town, Dehradun 248002, India
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6
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Nussinov R, Yavuz BR, Jang H. Anticancer drugs: How to select small molecule combinations? Trends Pharmacol Sci 2024; 45:503-519. [PMID: 38782689 PMCID: PMC11162304 DOI: 10.1016/j.tips.2024.04.012] [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: 03/20/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/25/2024]
Abstract
Small molecules are at the forefront of anticancer therapies. Successive treatments with single molecules incur drug resistance, calling for combination. Here, we explore the tough choices oncologists face - not just which drugs to use but also the best treatment plans, based on factors such as target proteins, pathways, and gene expression. We consider the reality of cancer's disruption of normal cellular processes, highlighting why it's crucial to understand the ins and outs of current treatment methods. The discussion on using combination drug therapies to target multiple pathways sheds light on a promising approach while also acknowledging the hurdles that come with it, such as dealing with pathway crosstalk. We review options and provide examples and the mechanistic basis, altogether providing the first comprehensive guide to combinatorial therapy selection.
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Affiliation(s)
- Ruth Nussinov
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; Cancer Innovation Laboratory, National Cancer Institute at Frederick, Frederick, MD 21702, USA; Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel.
| | - Bengi Ruken Yavuz
- Cancer Innovation Laboratory, National Cancer Institute at Frederick, Frederick, MD 21702, USA
| | - Hyunbum Jang
- Computational Structural Biology Section, Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA; Cancer Innovation Laboratory, National Cancer Institute at Frederick, Frederick, MD 21702, USA
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7
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Maso L, Rajak E, Bang I, Koide A, Hattori T, Neel BG, Koide S. Molecular basis for antibody recognition of multiple drug-peptide/MHC complexes. Proc Natl Acad Sci U S A 2024; 121:e2319029121. [PMID: 38781214 PMCID: PMC11145297 DOI: 10.1073/pnas.2319029121] [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: 10/30/2023] [Accepted: 02/14/2024] [Indexed: 05/25/2024] Open
Abstract
The HapImmuneTM platform exploits covalent inhibitors as haptens for creating major histocompatibility complex (MHC)-presented tumor-specific neoantigens by design, combining targeted therapies with immunotherapy for the treatment of drug-resistant cancers. A HapImmune antibody, R023, recognizes multiple sotorasib-conjugated KRAS(G12C) peptides presented by different human leukocyte antigens (HLAs). This high specificity to sotorasib, coupled with broad HLA-binding capability, enables such antibodies, when reformatted as T cell engagers, to potently and selectively kill sotorasib-resistant KRAS(G12C) cancer cells expressing different HLAs upon sotorasib treatment. The loosening of HLA restriction could increase the patient population that can benefit from this therapeutic approach. To understand the molecular basis for its unconventional binding capability, we used single-particle cryogenic electron microscopy to determine the structures of R023 bound to multiple sotorasib-peptide conjugates presented by different HLAs. R023 forms a pocket for sotorasib between the VH and VL domains, binds HLAs in an unconventional, angled way, with VL making most contacts with them, and makes few contacts with the peptide moieties. This binding mode enables the antibody to accommodate different hapten-peptide conjugates and to adjust its conformation to different HLAs presenting hapten-peptides. Deep mutational scanning validated the structures and revealed distinct levels of mutation tolerance by sotorasib- and HLA-binding residues. Together, our structural information and sequence landscape analysis reveal key features for achieving MHC-restricted recognition of multiple hapten-peptide antigens, which will inform the development of next-generation therapeutic antibodies.
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Affiliation(s)
- Lorenzo Maso
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
| | - Epsa Rajak
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
| | - Injin Bang
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
| | - Akiko Koide
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
- Department of Medicine, New York University School of Medicine, New York, NY10016
| | - Takamitsu Hattori
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
- Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY10016
| | - Benjamin G. Neel
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
- Department of Medicine, New York University School of Medicine, New York, NY10016
| | - Shohei Koide
- Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY10016
- Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY10016
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8
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Mehner LM, Munoz-Sagredo L, Sonnentag SJ, Treffert SM, Orian-Rousseau V. Targeting CD44 and other pleiotropic co-receptors as a means for broad inhibition of tumor growth and metastasis. Clin Exp Metastasis 2024:10.1007/s10585-024-10292-4. [PMID: 38761292 DOI: 10.1007/s10585-024-10292-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 05/02/2024] [Indexed: 05/20/2024]
Abstract
Although progress has been made in the treatment of cancer, particularly for the four major types of cancers affecting the lungs, colon, breast and prostate, resistance to cancer treatment often emerges upon inhibition of major signaling pathways, which leads to the activation of additional pathways as a last-resort survival mechanism by the cancer cells. This signaling plasticity provides cancer cells with a level of operational freedom, reducing treatment efficacy. Plasticity is a characteristic of cancer cells that are not only able to switch signaling pathways but also from one cellular state (differentiated cells to stem cells or vice versa) to another. It seems implausible that the inhibition of one or a few signaling pathways of heterogeneous and plastic tumors can sustain a durable effect. We propose that inhibiting molecules with pleiotropic functions such as cell surface co-receptors can be a key to preventing therapy escape instead of targeting bona fide receptors. Therefore, we ask the question whether co-receptors often considered as "accessory molecules" are an overlooked key to control cancer cell behavior.
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Affiliation(s)
- Lisa-Marie Mehner
- Institute of Biological and Chemical Systems - Functional Molecular Systems, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Leonel Munoz-Sagredo
- Institute of Biological and Chemical Systems - Functional Molecular Systems, Karlsruhe Institute of Technology, Karlsruhe, Germany
- School of Medicine, Universidad de Valparaiso, Valparaiso, Chile
| | - Steffen Joachim Sonnentag
- Institute of Biological and Chemical Systems - Functional Molecular Systems, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Sven Máté Treffert
- Institute of Biological and Chemical Systems - Functional Molecular Systems, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Véronique Orian-Rousseau
- Institute of Biological and Chemical Systems - Functional Molecular Systems, Karlsruhe Institute of Technology, Karlsruhe, Germany.
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9
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Aya F, Lanuza-Gracia P, González-Pérez A, Bonnal S, Mancini E, López-Bigas N, Arance A, Valcárcel J. Genomic deletions explain the generation of alternative BRAF isoforms conferring resistance to MAPK inhibitors in melanoma. Cell Rep 2024; 43:114048. [PMID: 38614086 DOI: 10.1016/j.celrep.2024.114048] [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: 08/29/2023] [Revised: 02/06/2024] [Accepted: 03/19/2024] [Indexed: 04/15/2024] Open
Abstract
Resistance to MAPK inhibitors (MAPKi), the main cause of relapse in BRAF-mutant melanoma, is associated with the production of alternative BRAF mRNA isoforms (altBRAFs) in up to 30% of patients receiving BRAF inhibitor monotherapy. These altBRAFs have been described as being generated by alternative pre-mRNA splicing, and splicing modulation has been proposed as a therapeutic strategy to overcome resistance. In contrast, we report that altBRAFs are generated through genomic deletions. Using different in vitro models of altBRAF-mediated melanoma resistance, we demonstrate the production of altBRAFs exclusively from the BRAF V600E allele, correlating with corresponding genomic deletions. Genomic deletions are also detected in tumor samples from melanoma and breast cancer patients expressing altBRAFs. Along with the identification of altBRAFs in BRAF wild-type and in MAPKi-naive melanoma samples, our results represent a major shift in our understanding of mechanisms leading to the generation of BRAF transcripts variants associated with resistance in melanoma.
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Affiliation(s)
- Francisco Aya
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Medical Oncology Department, Hospital Clinic, Barcelona, Spain; Institut de Investigacions Biomedicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Pablo Lanuza-Gracia
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Abel González-Pérez
- Institute for Research in Biomedicine (IRB), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Sophie Bonnal
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Estefania Mancini
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Nuria López-Bigas
- Institute for Research in Biomedicine (IRB), The Barcelona Institute of Science and Technology, Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Ana Arance
- Medical Oncology Department, Hospital Clinic, Barcelona, Spain; Institut de Investigacions Biomedicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Juan Valcárcel
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.
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10
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Martins F, Machado AL, Ribeiro A, Oliveira SM, Carvalho J, Matthiesen R, Backman V, Velho S. KRAS silencing alters chromatin physical organization and transcriptional activity in colorectal cancer cells. RESEARCH SQUARE 2024:rs.3.rs-3752760. [PMID: 38410476 PMCID: PMC10896403 DOI: 10.21203/rs.3.rs-3752760/v2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Clinical data revealed that KRAS mutant tumors, while initially sensitive to treatment, rapidly bypass KRAS dependence to acquire a drug-tolerant phenotype. However, the mechanisms underlying the transition from a drug-sensitive to a drug-tolerant state still elude us. Here, we show that global chromatin reorganization is a recurrent and specific feature of KRAS-dependent cells that tolerated KRAS silencing. We show that KRAS-dependent cells undergo G0/G1 cell cycle arrest after KRAS silencing, presenting a transcriptomic signature of quiescence. Proteomic analysis showed upregulated chromatin-associated proteins and transcription-associated biological processes. Accordingly, these cells shifted euchromatin/heterochromatin states, gained topologically associating domains, and altered the nanoscale physical organization of chromatin, more precisely by downregulating chromatin packing domains, a feature associated with the induction of quiescence. In addition, they also accumulated transcriptional alterations over time leading to a diversification of biological processes, linking chromatin alterations to transcriptional performance. Overall, our observations pinpoint a novel molecular mechanism of tolerance to KRAS oncogenic loss driven not by specific gene alterations but by global reorganization of genomic information, in which cells transition chromatin domain structure towards a more quiescent state and gain transcriptional reprogramming capacity.
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Affiliation(s)
| | | | | | | | | | | | | | - Sérgia Velho
- i3S - Institute for Research and Innovation in Health
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11
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Latini S, Venafra V, Massacci G, Bica V, Graziosi S, Pugliese GM, Iannuccelli M, Frioni F, Minnella G, Marra JD, Chiusolo P, Pepe G, Helmer Citterich M, Mougiakakos D, Böttcher M, Fischer T, Perfetto L, Sacco F. Unveiling the signaling network of FLT3-ITD AML improves drug sensitivity prediction. eLife 2024; 12:RP90532. [PMID: 38564252 PMCID: PMC10987088 DOI: 10.7554/elife.90532] [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] [Indexed: 04/04/2024] Open
Abstract
Currently, the identification of patient-specific therapies in cancer is mainly informed by personalized genomic analysis. In the setting of acute myeloid leukemia (AML), patient-drug treatment matching fails in a subset of patients harboring atypical internal tandem duplications (ITDs) in the tyrosine kinase domain of the FLT3 gene. To address this unmet medical need, here we develop a systems-based strategy that integrates multiparametric analysis of crucial signaling pathways, and patient-specific genomic and transcriptomic data with a prior knowledge signaling network using a Boolean-based formalism. By this approach, we derive personalized predictive models describing the signaling landscape of AML FLT3-ITD positive cell lines and patients. These models enable us to derive mechanistic insight into drug resistance mechanisms and suggest novel opportunities for combinatorial treatments. Interestingly, our analysis reveals that the JNK kinase pathway plays a crucial role in the tyrosine kinase inhibitor response of FLT3-ITD cells through cell cycle regulation. Finally, our work shows that patient-specific logic models have the potential to inform precision medicine approaches.
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Affiliation(s)
- Sara Latini
- Cellular and Molecular Biology, Department of Biology, University of Rome Tor VergataRomeItaly
| | - Veronica Venafra
- Cellular and Molecular Biology, Department of Biology, University of Rome Tor VergataRomeItaly
| | | | - Valeria Bica
- Cellular and Molecular Biology, Department of Biology, University of Rome Tor VergataRomeItaly
| | - Simone Graziosi
- Cellular and Molecular Biology, Department of Biology, University of Rome Tor VergataRomeItaly
| | | | | | - Filippo Frioni
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro CuoreRomeItaly
| | - Gessica Minnella
- Dipartimento di Diagnostica per Immagini, Radioterapia Oncologica ed Ematologia, Fondazione Policlinico A. Gemelli IRCCSRomeItaly
| | - John Donald Marra
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro CuoreRomeItaly
| | - Patrizia Chiusolo
- Sezione di Ematologia, Dipartimento di Scienze Radiologiche ed Ematologiche, Università Cattolica del Sacro CuoreRomeItaly
| | - Gerardo Pepe
- Department of Biology, University of Rome Tor VergataRomeItaly
| | | | - Dimitros Mougiakakos
- Health Campus for Inflammation, Immunity and Infection (GCI3), Otto-von-Guericke University of MagdeburgMagdeburgGermany
- Department of Hematology and Oncology, Otto-von-Guericke University of MagdeburgMagdeburgGermany
| | - Martin Böttcher
- Health Campus for Inflammation, Immunity and Infection (GCI3), Otto-von-Guericke University of MagdeburgMagdeburgGermany
- Department of Hematology and Oncology, Otto-von-Guericke University of MagdeburgMagdeburgGermany
| | - Thomas Fischer
- Health Campus for Inflammation, Immunity and Infection (GCI3), Otto-von-Guericke University of MagdeburgMagdeburgGermany
- Institute of Molecular and Clinical Immunology, Otto-von-Guericke University of MagdeburgMagdeburgGermany
| | - Livia Perfetto
- Department of Biology, University of Rome Tor VergataRomeItaly
- Department of Biology, Fondazione Human TechnopoleMilanItaly
| | - Francesca Sacco
- Department of Biology, University of Rome Tor VergataRomeItaly
- Telethon Institute of Genetics and Medicine (TIGEM)PozzuoliItaly
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12
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Toledo B, Deiana C, Scianò F, Brandi G, Marchal JA, Perán M, Giovannetti E. Treatment resistance in pancreatic and biliary tract cancer: molecular and clinical pharmacology perspectives. Expert Rev Clin Pharmacol 2024; 17:323-347. [PMID: 38413373 DOI: 10.1080/17512433.2024.2319340] [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: 11/20/2023] [Accepted: 02/12/2024] [Indexed: 02/29/2024]
Abstract
INTRODUCTION Treatment resistance poses a significant obstacle in oncology, especially in biliary tract cancer (BTC) and pancreatic cancer (PC). Current therapeutic options include chemotherapy, targeted therapy, and immunotherapy. Resistance to these treatments may arise due to diverse molecular mechanisms, such as genetic and epigenetic modifications, altered drug metabolism and efflux, and changes in the tumor microenvironment. Identifying and overcoming these mechanisms is a major focus of research: strategies being explored include combination therapies, modulation of the tumor microenvironment, and personalized approaches. AREAS COVERED We provide a current overview and discussion of the most relevant mechanisms of resistance to chemotherapy, target therapy, and immunotherapy in both BTC and PC. Furthermore, we compare the different strategies that are being implemented to overcome these obstacles. EXPERT OPINION So far there is no unified theory on drug resistance and progress is limited. To overcome this issue, individualized patient approaches, possibly through liquid biopsies or single-cell transcriptome studies, are suggested, along with the potential use of artificial intelligence, to guide effective treatment strategies. Furthermore, we provide insights into what we consider the most promising areas of research, and we speculate on the future of managing treatment resistance to improve patient outcomes.
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Affiliation(s)
- Belén Toledo
- Department of Health Sciences, University of Jaén, Jaén, Spain
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center (VUmc), Amsterdam, The Netherlands
| | - Chiara Deiana
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Fabio Scianò
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center (VUmc), Amsterdam, The Netherlands
- Lumobiotics GmbH, Karlsruhe, Germany
| | - Giovanni Brandi
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Juan Antonio Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Instituto de Investigación Sanitaria ibs. GRANADA, Hospitales Universitarios de Granada-Universidad de Granada, Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, Granada, Spain
| | - Macarena Perán
- Department of Health Sciences, University of Jaén, Jaén, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat), University of Granada, Granada, Spain
| | - Elisa Giovannetti
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center (VUmc), Amsterdam, The Netherlands
- Cancer Pharmacology Lab, Fondazione Pisana per la Scienza, Pisa, Italy
- Cancer Pharmacology Lab, Associazione Italiana per la Ricerca sul Cancro (AIRC) Start-Up Unit, Fondazione Pisana per la Scienza, University of Pisa, Pisa, Italy
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13
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Davodabadi F, Mirinejad S, Malik S, Dhasmana A, Ulucan-Karnak F, Sargazi S, Sargazi S, Fathi-Karkan S, Rahdar A. Nanotherapeutic approaches for delivery of long non-coding RNAs: an updated review with emphasis on cancer. NANOSCALE 2024; 16:3881-3914. [PMID: 38353296 DOI: 10.1039/d3nr05656b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
The long noncoding RNAs (lncRNAs) comprise a wide range of RNA species whose length exceeds 200 nucleotides, which regulate the expression of genes and cellular functions in a wide range of organisms. Several diseases, including malignancy, have been associated with lncRNA dysregulation. Due to their functions in cancer development and progression, lncRNAs have emerged as promising biomarkers and therapeutic targets in cancer diagnosis and treatment. Several studies have investigated the anti-cancer properties of lncRNAs; however, only a few lncRNAs have been found to exhibit tumor suppressor properties. Furthermore, their length and poor stability make them difficult to synthesize. Thus, to overcome the instability of lncRNAs, poor specificity, and their off-target effects, researchers have constructed nanocarriers that encapsulate lncRNAs. Recently, translational medicine research has focused on delivering lncRNAs into tumor cells, including cancer cells, through nano-drug delivery systems in vivo. The developed nanocarriers can protect, target, and release lncRNAs under controlled conditions without appreciable adverse effects. To deliver lncRNAs to cancer cells, various nanocarriers, such as exosomes, microbubbles, polymer nanoparticles, 1,2-dioleyl-3-trimethylammoniumpropane chloride nanocarriers, and virus-like particles, have been successfully developed. Despite this, every nanocarrier has its own advantages and disadvantages when it comes to delivering nucleic acids effectively and safely. This article examines the current status of nanocarriers for lncRNA delivery in cancer therapy, focusing on their potential to enhance cancer treatment.
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Affiliation(s)
- Fatemeh Davodabadi
- Department of Biology, Faculty of Basic Science, Payame Noor University, Tehran, Iran.
| | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Sumira Malik
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi-834002, India.
| | - Archna Dhasmana
- Himalayan School of Biosciences, Swami Rama Himalayan University, Jolly Grant, Dehradun, Uttarakhand, 248140, India.
| | - Fulden Ulucan-Karnak
- Department of Medical Biochemistry, Institute of Health Sciences, Ege University, İzmir 35100, Turkey.
| | - Sara Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan, Iran.
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Sonia Fathi-Karkan
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, 94531-55166, Iran
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd 9414974877, Iran.
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, P. O. Box. 98613-35856, Iran.
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14
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Frank AR, Vandiver F, McFadden DG. Forward Genetic Screens Identify Mechanisms of Resistance to Small-Molecule Lactate Dehydrogenase Inhibitors. ACS Chem Biol 2024; 19:471-482. [PMID: 38270591 PMCID: PMC11110909 DOI: 10.1021/acschembio.3c00663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Altered metabolism is a hallmark of cancer; however, it has been difficult to specifically target metabolism in cancer for therapeutic benefit. Cancers with genetically defined defects in metabolic enzymes constitute a subset of cancers where targeting metabolism is potentially accessible. Hürthle cell carcinoma of the thyroid (HTC) tumors frequently harbor deleterious mitochondrial DNA (mtDNA) mutations in subunits of complex I of the mitochondrial electron transport chain (ETC). Previous work has shown that HTC models with deleterious mtDNA mutations exhibit mitochondrial ETC defects that expose lactate dehydrogenase (LDH) as a therapeutic vulnerability. Here, we performed forward genetic screens to identify mechanisms of resistance to small-molecule LDH inhibitors. We identified two distinct mechanisms of resistance: upregulation of an LDH isoform and a compound-specific resistance mutation. Using these tools, we demonstrate that the anticancer activity of LDH inhibitors in cell line and xenograft models of complex I mutant HTC is through on-target LDH inhibition.
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Affiliation(s)
- Anderson R. Frank
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Florentina Vandiver
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - David G. McFadden
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Program in Molecular Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Lead contact
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15
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Riaz F, Zhang J, Pan F. Forces at play: exploring factors affecting the cancer metastasis. Front Immunol 2024; 15:1274474. [PMID: 38361941 PMCID: PMC10867181 DOI: 10.3389/fimmu.2024.1274474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 01/19/2024] [Indexed: 02/17/2024] Open
Abstract
Metastatic disease, a leading and lethal indication of deaths associated with tumors, results from the dissemination of metastatic tumor cells from the site of primary origin to a distant organ. Dispersion of metastatic cells during the development of tumors at distant organs leads to failure to comply with conventional treatments, ultimately instigating abrupt tissue homeostasis and organ failure. Increasing evidence indicates that the tumor microenvironment (TME) is a crucial factor in cancer progression and the process of metastatic tumor development at secondary sites. TME comprises several factors contributing to the initiation and progression of the metastatic cascade. Among these, various cell types in TME, such as mesenchymal stem cells (MSCs), lymphatic endothelial cells (LECs), cancer-associated fibroblasts (CAFs), myeloid-derived suppressor cells (MDSCs), T cells, and tumor-associated macrophages (TAMs), are significant players participating in cancer metastasis. Besides, various other factors, such as extracellular matrix (ECM), gut microbiota, circadian rhythm, and hypoxia, also shape the TME and impact the metastatic cascade. A thorough understanding of the functions of TME components in tumor progression and metastasis is necessary to discover new therapeutic strategies targeting the metastatic tumor cells and TME. Therefore, we reviewed these pivotal TME components and highlighted the background knowledge on how these cell types and disrupted components of TME influence the metastatic cascade and establish the premetastatic niche. This review will help researchers identify these altered components' molecular patterns and design an optimized, targeted therapy to treat solid tumors and restrict metastatic cascade.
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Affiliation(s)
- Farooq Riaz
- Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China
| | - Jing Zhang
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Fan Pan
- Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China
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16
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Yayan J, Franke KJ, Berger M, Windisch W, Rasche K. Adhesion, metastasis, and inhibition of cancer cells: a comprehensive review. Mol Biol Rep 2024; 51:165. [PMID: 38252369 PMCID: PMC10803487 DOI: 10.1007/s11033-023-08920-5] [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: 08/25/2023] [Accepted: 10/23/2023] [Indexed: 01/23/2024]
Abstract
This comprehensive review delves into cancer's complexity, focusing on adhesion, metastasis, and inhibition. It explores the pivotal role of these factors in disease progression and therapeutic strategies. This review covers cancer cell migration, invasion, and colonization of distant organs, emphasizing the significance of cell adhesion and the intricate metastasis process. Inhibition approaches targeting adhesion molecules, such as integrins and cadherins, are discussed. Overall, this review contributes significantly to advancing cancer research and developing targeted therapies, holding promise for improving patient outcomes worldwide. Exploring different inhibition strategies revealed promising therapeutic targets to alleviate adhesion and metastasis of cancer cells. The effectiveness of integrin-blocking antibodies, small molecule inhibitors targeting Focal adhesion kinase (FAK) and the Transforming Growth Factor β (TGF-β) pathway, and combination therapies underscores their potential to disrupt focal adhesions and control epithelial-mesenchymal transition processes. The identification of as FAK, Src, β-catenin and SMAD4 offers valuable starting points for further research and the development of targeted therapies. The complex interrelationships between adhesion and metastatic signaling networks will be relevant to the development of new treatment approaches.
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Affiliation(s)
- Josef Yayan
- Department of Internal Medicine, Division of Pulmonary, Allergy, and Sleep Medicine, Witten/Herdecke University, HELIOS Clinic Wuppertal, Heusnerstr. 40, 42283, Wuppertal, Germany.
| | - Karl-Josef Franke
- Department of Internal Medicine, Pulmonary Division, Internal Intensive Care Medicine, Infectiology, and Sleep Medicine, Märkische Clinics Health Holding Ltd, Clinic Lüdenscheid, Witten/Herdecke University, Lüdenscheid, Germany
| | - Melanie Berger
- Department of Pneumology, Cologne Merheim Hospital, Witten/Herdecke University, Cologne, Germany
| | - Wolfram Windisch
- Department of Pneumology, Cologne Merheim Hospital, Witten/Herdecke University, Cologne, Germany
| | - Kurt Rasche
- Department of Internal Medicine, Division of Pulmonary, Allergy, and Sleep Medicine, Witten/Herdecke University, HELIOS Clinic Wuppertal, Heusnerstr. 40, 42283, Wuppertal, Germany
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17
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Blagosklonny MV. My battle with cancer. Part 1. Oncoscience 2024; 11:1-14. [PMID: 38188499 PMCID: PMC10765422 DOI: 10.18632/oncoscience.593] [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: 10/26/2023] [Accepted: 12/26/2023] [Indexed: 01/09/2024] Open
Abstract
In January 2023, diagnosed with numerous metastases of lung cancer in my brain, I felt that I must accomplish a mission. If everything happens for a reason, my cancer, in particular, I must find out how metastatic cancer can be treated with curative intent. This is my mission now, and the reason I was ever born. In January 2023, I understood the meaning of life, of my life. I was born to write this article. In this article, I argue that monotherapy with targeted drugs, even when used in sequence, cannot cure metastatic cancer. However, preemptive combinations of targeted drugs may, in theory, cure incurable cancer. Also, I share insights on various topics, including rapamycin, an anti-aging drug that can delay but not prevent cancer, through my personal journey.
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18
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Ghasemian M, Zehtabi M, Dari MAG, Pour FK, Tabesh GA, Moramezi F, Jafari RM, Barati M, Uddin S, Farzaneh M. The emerging roles of long non-coding RNA (lncRNA) H19 in gynecologic cancers. BMC Cancer 2024; 24:4. [PMID: 38166752 PMCID: PMC10763168 DOI: 10.1186/s12885-023-11743-z] [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: 06/29/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024] Open
Abstract
Long non-coding RNA (lncRNA) H19 has gained significant recognition as a pivotal contributor to the initiation and advancement of gynecologic cancers, encompassing ovarian, endometrial, cervical, and breast cancers. H19 exhibits a complex array of mechanisms, demonstrating dualistic effects on tumorigenesis as it can function as both an oncogene and a tumor suppressor, contingent upon the specific context and type of cancer being investigated. In ovarian cancer, H19 promotes tumor growth, metastasis, and chemoresistance through modulation of key signaling pathways and interaction with microRNAs. Conversely, in endometrial cancer, H19 acts as a tumor suppressor by inhibiting proliferation, inducing apoptosis, and regulating epithelial-mesenchymal transition. Additionally, H19 has been implicated in cervical and breast cancers, where it influences cell proliferation, invasion, and immune evasion. Moreover, H19 has potential as a diagnostic and prognostic biomarker for gynecologic cancers, with its expression levels correlating with clinical parameters and patient outcomes. Understanding the functional roles of H19 in gynecologic cancers is crucial for the development of targeted therapeutic strategies and personalized treatment approaches. Further investigation into the intricate molecular mechanisms underlying H19's involvement in gynecologic malignancies is warranted to fully unravel its therapeutic potential and clinical implications. This review aims to elucidate the functional roles of H19 in various gynecologic malignancies.
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Affiliation(s)
- Majid Ghasemian
- Department of Clinical Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mojtaba Zehtabi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahrokh Abouali Gale Dari
- Department of Obstetrics and Gynecology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fatemeh Khojasteh Pour
- Department of Obstetrics and Gynecology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ghasem Azizi Tabesh
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farideh Moramezi
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Razieh Mohammad Jafari
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mojgan Barati
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Shahab Uddin
- Translational Institute and Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
- Department of Biosciences, Integral University, Lucknow, Uttar Pradesh, 22602, India
| | - Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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19
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Zaman R, Cai X, Shubhra QTH. Hyperthermia-embolization-immunotherapy: a potent trio in advancing cancer treatment. Trends Mol Med 2023; 29:976-978. [PMID: 37863716 DOI: 10.1016/j.molmed.2023.10.003] [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: 09/10/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/22/2023]
Abstract
Yang et al. recently demonstrated the high potential of liquid metal microspheres (LM MSs) in cancer therapy. By amplifying the effects of magnetic hyperthermia and embolization, LM MSs not only target primary tumors, but also potentiate immune defenses. This dual-action approach effectively curtails distant tumor growth, marking a pivotal advancement in cancer immunotherapy.
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Affiliation(s)
- Rahela Zaman
- School of Healthy Aging, Faculty of Medicine and Health Sciences, UCSI University, Cheras 56000, Kuala Lumpur, Malaysia
| | - Xiaojun Cai
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou 325027, China.
| | - Quazi T H Shubhra
- Institute of Chemistry, University of Silesia in Katowice, 41-500 Chorzów, Poland; Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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20
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Pekeč T, Venkatachalapathy S, Shim AR, Paysan D, Grzmil M, Schibli R, Béhé M, Shivashankar GV. Detecting radio- and chemoresistant cells in 3D cancer co-cultures using chromatin biomarkers. Sci Rep 2023; 13:20662. [PMID: 38001169 PMCID: PMC10673941 DOI: 10.1038/s41598-023-47287-2] [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: 07/31/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
The heterogenous treatment response of tumor cells limits the effectiveness of cancer therapy. While this heterogeneity has been linked to cell-to-cell variability within the complex tumor microenvironment, a quantitative biomarker that identifies and characterizes treatment-resistant cell populations is still missing. Herein, we use chromatin organization as a cost-efficient readout of the cells' states to identify subpopulations that exhibit distinct responses to radiotherapy. To this end, we developed a 3D co-culture model of cancer spheroids and patient-derived fibroblasts treated with radiotherapy. Using the model we identified treatment-resistant cells that bypassed DNA damage checkpoints and exhibited an aggressive growth phenotype. Importantly, these cells featured more condensed chromatin which primed them for treatment evasion, as inhibiting chromatin condensation and DNA damage repair mechanisms improved the efficacy of not only radio- but also chemotherapy. Collectively, our work shows the potential of using chromatin organization to cost-effectively study the heterogeneous treatment susceptibility of cells and guide therapeutic design.
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Affiliation(s)
- Tina Pekeč
- Laboratory for Nanoscale Biology, Paul Scherrer Institute, Villigen, Switzerland
| | | | - Anne R Shim
- Laboratory for Nanoscale Biology, Paul Scherrer Institute, Villigen, Switzerland
| | - Daniel Paysan
- Laboratory for Nanoscale Biology, Paul Scherrer Institute, Villigen, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, Zürich, Switzerland
| | - Michal Grzmil
- Center for Radiopharmaceutical Sciences, Paul Scherrer Institute, Villigen, Switzerland
| | - Roger Schibli
- Center for Radiopharmaceutical Sciences, Paul Scherrer Institute, Villigen, Switzerland
- Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich, Switzerland
| | - Martin Béhé
- Center for Radiopharmaceutical Sciences, Paul Scherrer Institute, Villigen, Switzerland
| | - G V Shivashankar
- Laboratory for Nanoscale Biology, Paul Scherrer Institute, Villigen, Switzerland.
- Department of Health Sciences and Technology, ETH Zürich, Zürich, Switzerland.
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21
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Zhu EY, Schillo JL, Murray SD, Riordan JD, Dupuy AJ. Understanding cancer drug resistance with Sleeping Beauty functional genomic screens: Application to MAPK inhibition in cutaneous melanoma. iScience 2023; 26:107805. [PMID: 37860756 PMCID: PMC10582486 DOI: 10.1016/j.isci.2023.107805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/10/2023] [Accepted: 08/29/2023] [Indexed: 10/21/2023] Open
Abstract
Combined BRAF and MEK inhibition is an effective treatment for BRAF-mutant cutaneous melanoma. However, most patients progress on this treatment due to drug resistance. Here, we applied the Sleeping Beauty transposon system to understand how melanoma evades MAPK inhibition. We found that the specific drug resistance mechanisms differed across melanomas in our genetic screens of five cutaneous melanoma cell lines. While drivers that reactivated MAPK were highly conserved, many others were cell-line specific. One such driver, VAV1, activated a de-differentiated transcriptional program like that of hyperactive RAC1, RAC1P29S. To target this mechanism, we showed that an inhibitor of SRC, saracatinib, blunts the VAV1-induced transcriptional reprogramming. Overall, we highlighted the importance of accounting for melanoma heterogeneity in treating cutaneous melanoma with MAPK inhibitors. Moreover, we demonstrated the utility of the Sleeping Beauty transposon system in understanding cancer drug resistance.
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Affiliation(s)
- Eliot Y. Zhu
- Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA 52242, USA
| | - Jacob L. Schillo
- Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA 52242, USA
| | - Sarina D. Murray
- Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA 52242, USA
| | - Jesse D. Riordan
- Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA 52242, USA
| | - Adam J. Dupuy
- Department of Anatomy and Cell Biology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, IA 52242, USA
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22
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Liu C, Leighow SM, McIlroy K, Lu M, Dennis KA, Abello K, Brown DJ, Moore CJ, Shah A, Inam H, Rivera VM, Pritchard JR. Excessive concentrations of kinase inhibitors in translational studies impede effective drug repurposing. Cell Rep Med 2023; 4:101227. [PMID: 37852183 PMCID: PMC10591048 DOI: 10.1016/j.xcrm.2023.101227] [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: 03/07/2023] [Revised: 06/20/2023] [Accepted: 09/13/2023] [Indexed: 10/20/2023]
Abstract
Drug repositioning seeks to leverage existing clinical knowledge to identify alternative clinical settings for approved drugs. However, repositioning efforts fail to demonstrate improved success rates in late-stage clinical trials. Focusing on 11 approved kinase inhibitors that have been evaluated in 139 repositioning hypotheses, we use data mining to characterize the state of clinical repurposing. Then, using a simple experimental correction with human serum proteins in in vitro pharmacodynamic assays, we develop a measurement of a drug's effective exposure. We show that this metric is remarkably predictive of clinical activity for a panel of five kinase inhibitors across 23 drug variant targets in leukemia. We then validate our model's performance in six other kinase inhibitors for two types of solid tumors: non-small cell lung cancer (NSCLC) and gastrointestinal stromal tumors (GISTs). Our approach presents a straightforward strategy to use existing clinical information and experimental systems to decrease the clinical failure rate in drug repurposing studies.
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Affiliation(s)
- Chuan Liu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Scott M Leighow
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Kyle McIlroy
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Mengrou Lu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Kady A Dennis
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Kerry Abello
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Donovan J Brown
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Connor J Moore
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Anushka Shah
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Haider Inam
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | | | - Justin R Pritchard
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA; The Huck Institute for the Life Sciences, Center for Resistance Evolution, The Pennsylvania State University, University Park, PA 16802, USA.
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23
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Cameron DP, Grosser J, Ladigan S, Kuzin V, Iliopoulou E, Wiegard A, Benredjem H, Jackson K, Liffers ST, Lueong S, Cheung PF, Vangala D, Pohl M, Viebahn R, Teschendorf C, Wolters H, Usta S, Geng K, Kutter C, Arsenian-Henriksson M, Siveke JT, Tannapfel A, Schmiegel W, Hahn SA, Baranello L. Coinhibition of topoisomerase 1 and BRD4-mediated pause release selectively kills pancreatic cancer via readthrough transcription. SCIENCE ADVANCES 2023; 9:eadg5109. [PMID: 37831776 PMCID: PMC10575591 DOI: 10.1126/sciadv.adg5109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 09/13/2023] [Indexed: 10/15/2023]
Abstract
Pancreatic carcinoma lacks effective therapeutic strategies resulting in poor prognosis. Transcriptional dysregulation due to alterations in KRAS and MYC affects initiation, development, and survival of this tumor type. Using patient-derived xenografts of KRAS- and MYC-driven pancreatic carcinoma, we show that coinhibition of topoisomerase 1 (TOP1) and bromodomain-containing protein 4 (BRD4) synergistically induces tumor regression by targeting promoter pause release. Comparing the nascent transcriptome with the recruitment of elongation and termination factors, we found that coinhibition of TOP1 and BRD4 disrupts recruitment of transcription termination factors. Thus, RNA polymerases transcribe downstream of genes for hundreds of kilobases leading to readthrough transcription. This occurs during replication, perturbing replisome progression and inducing DNA damage. The synergistic effect of TOP1 + BRD4 inhibition is specific to cancer cells leaving normal cells unaffected, highlighting the tumor's vulnerability to transcriptional defects. This preclinical study provides a mechanistic understanding of the benefit of combining TOP1 and BRD4 inhibitors to treat pancreatic carcinomas addicted to oncogenic drivers of transcription and replication.
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Affiliation(s)
- Donald P. Cameron
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Jan Grosser
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Swetlana Ladigan
- Ruhr University Bochum, Faculty of Medicine, Department of Molecular GI Oncology, Bochum, Germany
- Ruhr University Bochum, Knappschaftskrankenhaus, Department of Internal Medicine, Bochum, Germany
| | - Vladislav Kuzin
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Evanthia Iliopoulou
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Anika Wiegard
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Hajar Benredjem
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Kathryn Jackson
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Sven T. Liffers
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen) and German Cancer Research Center, DKFZ, Heidelberg, Germany
- Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, Essen, Germany
| | - Smiths Lueong
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen) and German Cancer Research Center, DKFZ, Heidelberg, Germany
- Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, Essen, Germany
| | - Phyllis F. Cheung
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen) and German Cancer Research Center, DKFZ, Heidelberg, Germany
- Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, Essen, Germany
| | - Deepak Vangala
- Ruhr University Bochum, Faculty of Medicine, Department of Molecular GI Oncology, Bochum, Germany
- Ruhr University Bochum, Knappschaftskrankenhaus, Department of Internal Medicine, Bochum, Germany
| | - Michael Pohl
- Ruhr University Bochum, Knappschaftskrankenhaus, Department of Internal Medicine, Bochum, Germany
| | - Richard Viebahn
- Ruhr University Bochum, Knappschaftskrankenhaus, Department of Surgery, Bochum, Germany
| | | | - Heiner Wolters
- Department of Visceral and General Surgery, St. Josef-Hospital, Dortmund, Germany
| | - Selami Usta
- Department of Visceral and General Surgery, St. Josef-Hospital, Dortmund, Germany
| | - Keyi Geng
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
- Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden
| | - Claudia Kutter
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
- Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden
| | | | - Jens T. Siveke
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen) and German Cancer Research Center, DKFZ, Heidelberg, Germany
- Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, Essen, Germany
| | | | - Wolff Schmiegel
- Ruhr University Bochum, Knappschaftskrankenhaus, Department of Internal Medicine, Bochum, Germany
| | - Stephan A. Hahn
- Ruhr University Bochum, Faculty of Medicine, Department of Molecular GI Oncology, Bochum, Germany
| | - Laura Baranello
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
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24
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Dinakaran D, Wilson BC. The use of nanomaterials in advancing photodynamic therapy (PDT) for deep-seated tumors and synergy with radiotherapy. Front Bioeng Biotechnol 2023; 11:1250804. [PMID: 37849983 PMCID: PMC10577272 DOI: 10.3389/fbioe.2023.1250804] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/22/2023] [Indexed: 10/19/2023] Open
Abstract
Photodynamic therapy (PDT) has been under development for at least 40 years. Multiple studies have demonstrated significant anti-tumor efficacy with limited toxicity concerns. PDT was expected to become a major new therapeutic option in treating localized cancer. However, despite a shifting focus in oncology to aggressive local therapies, PDT has not to date gained widespread acceptance as a standard-of-care option. A major factor is the technical challenge of treating deep-seated and large tumors, due to the limited penetration and variability of the activating light in tissue. Poor tumor selectivity of PDT sensitizers has been problematic for many applications. Attempts to mitigate these limitations with the use of multiple interstitial fiberoptic catheters to deliver the light, new generations of photosensitizer with longer-wavelength activation, oxygen independence and better tumor specificity, as well as improved dosimetry and treatment planning are starting to show encouraging results. Nanomaterials used either as photosensitizers per se or to improve delivery of molecular photosensitizers is an emerging area of research. PDT can also benefit radiotherapy patients due to its complementary and potentially synergistic mechanisms-of-action, ability to treat radioresistant tumors and upregulation of anti-tumoral immune effects. Furthermore, recent advances may allow ionizing radiation energy, including high-energy X-rays, to replace external light sources, opening a novel therapeutic strategy (radioPDT), which is facilitated by novel nanomaterials. This may provide the best of both worlds by combining the precise targeting and treatment depth/volume capabilities of radiation therapy with the high therapeutic index and biological advantages of PDT, without increasing toxicities. Achieving this, however, will require novel agents, primarily developed with nanomaterials. This is under active investigation by many research groups using different approaches.
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Affiliation(s)
- Deepak Dinakaran
- National Cancer Institute, National Institute of Health, Bethesda, MD, United States
- Radiation Oncology, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Brian C. Wilson
- Princess Margaret Cancer Centre, University Health Network, University of Toronto, Toronto, ON, Canada
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25
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Frank AR, Vandiver F, McFadden DG. Forward genetic screens identify mechanisms of resistance to small molecule lactate dehydrogenase inhibitors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.30.560315. [PMID: 37808702 PMCID: PMC10557759 DOI: 10.1101/2023.09.30.560315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Altered metabolism is a hallmark of cancer; however, it has been difficult to specifically target metabolism in cancer for therapeutic benefit. Cancers with genetically defined defects in metabolic enzymes constitute a subset of cancers where targeting metabolism is potentially accessible. Hürthle cell carcinoma of the thyroid (HTC) tumors frequently harbor deleterious mitochondrial DNA (mtDNA) mutations in subunits of complex I of the mitochondrial electron transport chain (ETC). Previous work has shown that HTC models with deleterious mtDNA mutations exhibit mitochondrial ETC defects that expose lactate dehydrogenase (LDH) as a therapeutic vulnerability. Here, we performed forward genetic screens to identify mechanisms of resistance to small molecule LDH inhibitors. We identified two distinct mechanisms of resistance: upregulation of an LDH isoform and a compound-specific resistance mutation. Using these tools, we demonstrate that the anti-cancer activity of LDH inhibitors in cell line and xenograft models of complex I-mutant HTC is through on-target LDH inhibition.
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Affiliation(s)
- Anderson R Frank
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Florentina Vandiver
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - David G McFadden
- Department of Internal Medicine, Division of Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Program in Molecular Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Lead contact
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26
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Abdulredha FH, Mahdi MF, Khan AK. In silico molecular docking, ADME study and synthesis of new 1,3-diazetidin-2-one derivatives with high anti-proliferative activity. F1000Res 2023; 12:1090. [DOI: https:/doi.org/10.12688/f1000research.138510.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/15/2023] Open
Abstract
Background: Cancer and inflammation are strongly connected; tumor growth and spread are also greatly influenced by inflammation. Nitrogen-based heterocycle analogs are excellent suppliers of pharmaceuticals. Quaternary rings play a bigger role in drug development as bioactive scaffolds. For improved tolerance and synergistic benefits, heterocyclic nitrogen rings are present in many anticancer medications. Understanding how to bind to the EGFR and its prospective impacts on cancer cells, expect to construct new heterocyclic compounds that may help produce potent anticancer medicines with a high safety profile. Methods: Novel 1,3-diazetidin-2-one derivatives were designed, synthesized from mefenamic acid, and their cytotoxic activity against a lung cancer cell line (A549) was initially tested in vitro. These compounds were anchored to the crystal structure of the epidermal growth factor receptor (PDB code 1M17) in a molecular docking study to determine their binding affinity at the active site. The newly synthesized derivatives were verified and confirmed by elemental analysis and spectroscopic data (FT-IR, 1H-NMR, and 13C-NMR). In addition, physicochemical, drug-like, and toxicological predictions were performed for these derivatives. Results: Based on a molecular docking study, all compounds (M4a-e) demonstrated superior PLPfitness (84.70, 85.89, 91.90, 88.61, and 92.77, respectively) to erlotinib (76.20). The anti-proliferation evaluation of the A549 cell line revealed that compounds M4c and M4e had exceptional and promising anti-proliferative activity on this cell line to treat lung cancer, with IC50 values of 1.75 µm and 2.05 µm at 72 hours, respectively, making them significantly more active than the reference erlotinib, which had an IC50 value of 11.5 µm at 72 hours. Conclusions: The cytotoxicity investigation and the molecular docking study showed a robust association with the novel compounds (M4a-e). Suggest a comprehensive pharmacological survey to understand how these newly created chemicals combat cancer fully.
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27
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Li X, Wang Y, Deng S, Zhu G, Wang C, Johnson NA, Zhang Z, Tirado CR, Xu Y, Metang LA, Gonzalez J, Mukherji A, Ye J, Yang Y, Peng W, Tang Y, Hofstad M, Xie Z, Yoon H, Chen L, Liu X, Chen S, Zhu H, Strand D, Liang H, Raj G, He HH, Mendell JT, Li B, Wang T, Mu P. Loss of SYNCRIP unleashes APOBEC-driven mutagenesis, tumor heterogeneity, and AR-targeted therapy resistance in prostate cancer. Cancer Cell 2023; 41:1427-1449.e12. [PMID: 37478850 PMCID: PMC10530398 DOI: 10.1016/j.ccell.2023.06.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 05/24/2023] [Accepted: 06/29/2023] [Indexed: 07/23/2023]
Abstract
Tumor mutational burden and heterogeneity has been suggested to fuel resistance to many targeted therapies. The cytosine deaminase APOBEC proteins have been implicated in the mutational signatures of more than 70% of human cancers. However, the mechanism underlying how cancer cells hijack the APOBEC mediated mutagenesis machinery to promote tumor heterogeneity, and thereby foster therapy resistance remains unclear. We identify SYNCRIP as an endogenous molecular brake which suppresses APOBEC-driven mutagenesis in prostate cancer (PCa). Overactivated APOBEC3B, in SYNCRIP-deficient PCa cells, is a key mutator, representing the molecular source of driver mutations in some frequently mutated genes in PCa, including FOXA1, EP300. Functional screening identifies eight crucial drivers for androgen receptor (AR)-targeted therapy resistance in PCa that are mutated by APOBEC3B: BRD7, CBX8, EP300, FOXA1, HDAC5, HSF4, STAT3, and AR. These results uncover a cell-intrinsic mechanism that unleashes APOBEC-driven mutagenesis, which plays a significant role in conferring AR-targeted therapy resistance in PCa.
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Affiliation(s)
- Xiaoling Li
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Yunguan Wang
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, USA; Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Su Deng
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Guanghui Zhu
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada; Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Choushi Wang
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Nickolas A Johnson
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Zeda Zhang
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Yaru Xu
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Lauren A Metang
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Julisa Gonzalez
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Atreyi Mukherji
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Jianfeng Ye
- Lyda Hill Department of Bioinformatics, UT Southwestern Medical Center, Dallas, TX, USA
| | - Yuqiu Yang
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, USA
| | - Wei Peng
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Yitao Tang
- Department of Bioinformatics and Computational Biology, MD Anderson Cancer Center, Houston, TX, USA
| | - Mia Hofstad
- Department of Urology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Zhiqun Xie
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, USA
| | - Heewon Yoon
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Liping Chen
- Department of Urology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Xihui Liu
- Department of Urology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Sujun Chen
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada; Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Hong Zhu
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Douglas Strand
- Department of Urology, UT Southwestern Medical Center, Dallas, TX, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Han Liang
- Department of Bioinformatics and Computational Biology, MD Anderson Cancer Center, Houston, TX, USA; Department of Systems Biology, MD Anderson Cancer Center, Houston, TX, USA
| | - Ganesh Raj
- Department of Urology, UT Southwestern Medical Center, Dallas, TX, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Housheng Hansen He
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada; Princess Margaret Cancer Center, University Health Network, Toronto, ON, Canada
| | - Joshua T Mendell
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA; Hamon Center for Regenerative Science and Medicine, UT Southwestern Medical Center, Dallas, TX, USA
| | - Bo Li
- Lyda Hill Department of Bioinformatics, UT Southwestern Medical Center, Dallas, TX, USA
| | - Tao Wang
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, UT Southwestern Medical Center, Dallas, TX, USA
| | - Ping Mu
- Department of Molecular Biology, UT Southwestern Medical Center, Dallas, TX, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA; Hamon Center for Regenerative Science and Medicine, UT Southwestern Medical Center, Dallas, TX, USA.
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28
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de Miguel FJ, Gentile C, Feng WW, Silva SJ, Sankar A, Exposito F, Cai WL, Melnick MA, Robles-Oteiza C, Hinkley MM, Tsai JA, Hartley AV, Wei J, Wurtz A, Li F, Toki MI, Rimm DL, Homer R, Wilen CB, Xiao AZ, Qi J, Yan Q, Nguyen DX, Jänne PA, Kadoch C, Politi KA. Mammalian SWI/SNF chromatin remodeling complexes promote tyrosine kinase inhibitor resistance in EGFR-mutant lung cancer. Cancer Cell 2023; 41:1516-1534.e9. [PMID: 37541244 PMCID: PMC10957226 DOI: 10.1016/j.ccell.2023.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/10/2023] [Accepted: 07/11/2023] [Indexed: 08/06/2023]
Abstract
Acquired resistance to tyrosine kinase inhibitors (TKI), such as osimertinib used to treat EGFR-mutant lung adenocarcinomas, limits long-term efficacy and is frequently caused by non-genetic mechanisms. Here, we define the chromatin accessibility and gene regulatory signatures of osimertinib sensitive and resistant EGFR-mutant cell and patient-derived models and uncover a role for mammalian SWI/SNF chromatin remodeling complexes in TKI resistance. By profiling mSWI/SNF genome-wide localization, we identify both shared and cancer cell line-specific gene targets underlying the resistant state. Importantly, genetic and pharmacologic disruption of the SMARCA4/SMARCA2 mSWI/SNF ATPases re-sensitizes a subset of resistant models to osimertinib via inhibition of mSWI/SNF-mediated regulation of cellular programs governing cell proliferation, epithelial-to-mesenchymal transition, epithelial cell differentiation, and NRF2 signaling. These data highlight the role of mSWI/SNF complexes in supporting TKI resistance and suggest potential utility of mSWI/SNF inhibitors in TKI-resistant lung cancers.
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Affiliation(s)
| | - Claudia Gentile
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - William W Feng
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Shannon J Silva
- Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Akshay Sankar
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | - Wesley L Cai
- Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | | | - Camila Robles-Oteiza
- Department of Immunobiology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Madeline M Hinkley
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jeanelle A Tsai
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Antja-Voy Hartley
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Jin Wei
- Department of Immunobiology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Laboratory Medicine, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Anna Wurtz
- Yale Cancer Center, New Haven, CT 06520, USA
| | - Fangyong Li
- Yale Center for Analytical Sciences, Yale School of Public Health, Laboratory of Epidemiology and Public Health, 60 College St, New Haven, CT 06510, USA
| | - Maria I Toki
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - David L Rimm
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Medicine (Section of Medical Oncology), Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Robert Homer
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Craig B Wilen
- Department of Immunobiology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Laboratory Medicine, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Andrew Z Xiao
- Department of Genetics, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Yale Stem Cell Center, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Jun Qi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Qin Yan
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Yale Stem Cell Center, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Don X Nguyen
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Medicine (Section of Medical Oncology), Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Yale Stem Cell Center, Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Pasi A Jänne
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Cigall Kadoch
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
| | - Katerina A Politi
- Yale Cancer Center, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Department of Medicine (Section of Medical Oncology), Yale School of Medicine, Yale University, New Haven, CT 06510, USA; Yale Stem Cell Center, Yale School of Medicine, Yale University, New Haven, CT 06510, USA.
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29
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Shaw KR, Salloum RG, Snyder PA. A translational model for early childhood intervention: developing, implementing, and scaling-up effective practices. Front Public Health 2023; 11:1198206. [PMID: 37483917 PMCID: PMC10361727 DOI: 10.3389/fpubh.2023.1198206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/21/2023] [Indexed: 07/25/2023] Open
Abstract
Early intervention (EI) researchers (i.e., those focused on children birth to age 3 and their families who experience early vulnerabilities) often engage in translational research and implementation science at the intersection of public health, pediatrics, and EI. There is currently a significant research-to-practice gap in EI despite ongoing efforts to close it. Translational research and implementation science are promising approaches to promote transdisciplinary collaborations among researchers and to move EI research into practice, thus supporting positive outcomes for young children and families. This commentary proposes a contemporary alignment of translational research phases for EI. Two literature reviews served to inform development of this alignment: (1) a narrative literature review identified existing applications of translational phases to EI; and (2) a rapid review identified examples of existing behavior-focused translational models across disciplines. Several case examples of current translational research being conducted in EI are discussed and classified according to their respective translational phase. The proposed alignment and case examples provide a basis for transdisciplinary conversations among those working across the various fields and disciplines relevant to EI research. A shift in EI research to reflect a translational and implementation focus will help bridge the research-to-practice gap and, most importantly, speed the movement of scientific evidence into real-world contexts to positively impact young children and families.
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Affiliation(s)
- Kallen R. Shaw
- School of Special Education, School Psychology, and Early Childhood Studies, College of Education, Anita Zucker Center for Excellence in Early Childhood Studies, University of Florida, Gainesville, FL, United States
| | - Ramzi G. Salloum
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Patricia A. Snyder
- School of Special Education, School Psychology, and Early Childhood Studies, College of Education, Anita Zucker Center for Excellence in Early Childhood Studies, University of Florida, Gainesville, FL, United States
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30
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Gencel-Augusto J, Wu W, Bivona TG. Long Non-Coding RNAs as Emerging Targets in Lung Cancer. Cancers (Basel) 2023; 15:3135. [PMID: 37370745 DOI: 10.3390/cancers15123135] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Long non-coding RNAs (LncRNAs) are mRNA-like molecules that do not encode for proteins and that are longer than 200 nucleotides. LncRNAs play important biological roles in normal cell physiology and organism development. Therefore, deregulation of their activities is involved in disease processes such as cancer. Lung cancer is the leading cause of cancer-related deaths due to late stage at diagnosis, distant metastasis, and high rates of therapeutic failure. LncRNAs are emerging as important molecules in lung cancer for their oncogenic or tumor-suppressive functions. LncRNAs are highly stable in circulation, presenting an opportunity for use as non-invasive and early-stage cancer diagnostic tools. Here, we summarize the latest works providing in vivo evidence available for lncRNAs role in cancer development, therapy-induced resistance, and their potential as biomarkers for diagnosis and prognosis, with a focus on lung cancer. Additionally, we discuss current therapeutic approaches to target lncRNAs. The evidence discussed here strongly suggests that investigation of lncRNAs in lung cancer in addition to protein-coding genes will provide a holistic view of molecular mechanisms of cancer initiation, development, and progression, and could open up a new avenue for cancer treatment.
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Affiliation(s)
- Jovanka Gencel-Augusto
- Department of Medicine, University of California San Francisco (UCSF), San Francisco, CA 94158, USA
- UCSF Hellen Diller Comprehensive Cancer Center, San Francisco, CA 94158, USA
| | - Wei Wu
- Department of Medicine, University of California San Francisco (UCSF), San Francisco, CA 94158, USA
- UCSF Hellen Diller Comprehensive Cancer Center, San Francisco, CA 94158, USA
| | - Trever G Bivona
- Department of Medicine, University of California San Francisco (UCSF), San Francisco, CA 94158, USA
- UCSF Hellen Diller Comprehensive Cancer Center, San Francisco, CA 94158, USA
- Chan-Zuckerberg Biohub, San Francisco, CA 94158, USA
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Singh M, Afonso J, Sharma D, Gupta R, Kumar V, Rani R, Baltazar F, Kumar V. Targeting monocarboxylate transporters (MCTs) in cancer: How close are we to the clinics? Semin Cancer Biol 2023; 90:1-14. [PMID: 36706846 DOI: 10.1016/j.semcancer.2023.01.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
As a result of metabolic reprogramming, cancer cells display high rates of glycolysis, causing an excess production of lactate along with an increase in extracellular acidity. Proton-linked monocarboxylate transporters (MCTs) are crucial in the maintenance of this metabolic phenotype, by mediating the proton-coupled lactate flux across cell membranes, also contributing to cancer cell pH regulation. Among the proteins codified by the SLC16 gene family, MCT1 and MCT4 isoforms are the most explored in cancers, being overexpressed in many cancer types, from solid tumours to haematological malignancies. Similarly to what occurs in particular physiological settings, MCT1 and MCT4 are able to mediate lactate shuttles among cancer cells, and also between cancer and stromal cells in the tumour microenvironment. This form of metabolic cooperation is responsible for important cancer aggressiveness features, such as cell proliferation, survival, angiogenesis, migration, invasion, metastasis, immune tolerance and therapy resistance. The growing understanding of MCT functions and regulation is offering a new path to the design of novel inhibitors that can be foreseen in clinical practices. This review provides an overview of the role of MCT isoforms in cancer and summarizes the recent advances in their pharmacological targeting, highlighting the potential of new potent and selective MCT1 and/or MCT4 inhibitors in cancer therapeutics, and anticipating its inclusion in clinical practice.
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Affiliation(s)
- Mamta Singh
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India
| | - Julieta Afonso
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Dolly Sharma
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India; Amity Institute of Biotechnology, Amity University UP, Sector-125, Noida, India-201313
| | - Rajat Gupta
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India
| | - Vivek Kumar
- Department of Chemistry, DBG College, Sector-18, Panipat, Haryana, India
| | - Reshma Rani
- Drug Discovery, Jubilant Biosys, Greater Noida 201306, UP, India.
| | - Fátima Baltazar
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal.
| | - Vinit Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research Amity, University UP, Sector-125, Noida 201313, India.
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Al-Tuwaijri HM, Al-Abdullah ES, El-Rashedy AA, Ansari SA, Almomen A, Alshibl HM, Haiba ME, Alkahtani HM. New Indazol-Pyrimidine-Based Derivatives as Selective Anticancer Agents: Design, Synthesis, and In Silico Studies. Molecules 2023; 28:molecules28093664. [PMID: 37175074 PMCID: PMC10180490 DOI: 10.3390/molecules28093664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/13/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023] Open
Abstract
In this research study, the authors successfully synthesized potent new anticancer agents derived from indazol-pyrimidine. All the prepared compounds were tested for in vitro cell line inhibitory activity against three different cancerous cell lines. Results demonstrated that five of the novel compounds-4f, 4i, 4a, 4g, and 4d-possessed significant cytotoxic inhibitory activity against the MCF-7 cell line, with IC50 values of 1.629, 1.841, 2.958, 4.680, and 4.798 μM, respectively, compared to the reference drug with an IC50 value of 8.029 μM, thus demonstrating promising suppression power. Compounds 4i, 4g, 4e, 4d, and 4a showed effective cytotoxic activity stronger than the standard against Caco2 cells. Moreover, compounds 4a and 4i exhibited potent antiproliferative activity against the A549 cell line that was stronger than the reference drug. The most active products, 4f and 4i, werr e further examined for their mechanism of action. It turns out that they were capable of activating caspase-3/7 and, therefore, inducing apoptosis. However, produced a higher safety profile than the reference drug, towards the normal cells (MCF10a). Furthermore, the dynamic nature, binding interaction, and protein-ligand stability were explored through a Molecular Dynamics (MD) simulation study. Various analysis parameters (RMSD, RMSF, RoG, and SASA) from the MD simulation trajectory have suggested the stability of the compounds during the 20 ns MD simulation study. In silico ADMET results revealed that the synthesized compounds had low toxicity, good solubility, and an absorption profile since they met Lipinski's rule of five and Veber's rule. The present research highlights the potential of derivatives with indazole scaffolds bearing pyrimidine as a lead compound for designing anticancer agents.
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Affiliation(s)
- Hanaa M Al-Tuwaijri
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ebtehal S Al-Abdullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ahmed A El-Rashedy
- Department of Natural and Microbial Products National Research Center, El Buhouth Street, Dokki, Cairo 12622, Egypt
| | - Siddique Akber Ansari
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Aliyah Almomen
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Hanan M Alshibl
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Mogedda E Haiba
- Department of Therapeutic Chemistry, Pharmaceutical and Drug Industries Research Division, National Research Center, El Buhouth Street, Dokki, Cairo 12622, Egypt
| | - Hamad M Alkahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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Kelm JM, Pandey DS, Malin E, Kansou H, Arora S, Kumar R, Gavande NS. PROTAC'ing oncoproteins: targeted protein degradation for cancer therapy. Mol Cancer 2023; 22:62. [PMID: 36991452 PMCID: PMC10061819 DOI: 10.1186/s12943-022-01707-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 12/23/2022] [Indexed: 03/31/2023] Open
Abstract
Molecularly targeted cancer therapies substantially improve patient outcomes, although the durability of their effectiveness can be limited. Resistance to these therapies is often related to adaptive changes in the target oncoprotein which reduce binding affinity. The arsenal of targeted cancer therapies, moreover, lacks coverage of several notorious oncoproteins with challenging features for inhibitor development. Degraders are a relatively new therapeutic modality which deplete the target protein by hijacking the cellular protein destruction machinery. Degraders offer several advantages for cancer therapy including resiliency to acquired mutations in the target protein, enhanced selectivity, lower dosing requirements, and the potential to abrogate oncogenic transcription factors and scaffolding proteins. Herein, we review the development of proteolysis targeting chimeras (PROTACs) for selected cancer therapy targets and their reported biological activities. The medicinal chemistry of PROTAC design has been a challenging area of active research, but the recent advances in the field will usher in an era of rational degrader design.
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Affiliation(s)
- Jeremy M Kelm
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences (EACPHS), Wayne State University, Detroit, MI, 48201, USA
| | - Deepti S Pandey
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences (EACPHS), Wayne State University, Detroit, MI, 48201, USA
| | - Evan Malin
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences (EACPHS), Wayne State University, Detroit, MI, 48201, USA
| | - Hussein Kansou
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences (EACPHS), Wayne State University, Detroit, MI, 48201, USA
| | - Sahil Arora
- Laboratory for Drug Design and Synthesis, Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Raj Kumar
- Laboratory for Drug Design and Synthesis, Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Navnath S Gavande
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences (EACPHS), Wayne State University, Detroit, MI, 48201, USA.
- Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
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Toledo RA, Jimenez C, Armaiz-Pena G, Arenillas C, Capdevila J, Dahia PLM. Hypoxia-Inducible Factor 2 Alpha (HIF2α) Inhibitors: Targeting Genetically Driven Tumor Hypoxia. Endocr Rev 2023; 44:312-322. [PMID: 36301191 DOI: 10.1210/endrev/bnac025] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/01/2022] [Indexed: 11/19/2022]
Abstract
Tumors driven by deficiency of the VHL gene product, which is involved in degradation of the hypoxia-inducible factor subunit 2 alpha (HIF2α), are natural candidates for targeted inhibition of this pathway. Belzutifan, a highly specific and well-tolerated HIF2α inhibitor, recently received FDA approval for the treatment of nonmetastatic renal cell carcinomas, pancreatic neuroendocrine tumors, and central nervous system hemangioblastomas from patients with von Hippel-Lindau disease, who carry VHL germline mutations. Such approval is a milestone in oncology; however, the full potential, and limitations, of HIF2α inhibition in the clinic are just starting to be explored. Here we briefly recapitulate the molecular rationale for HIF2α blockade in tumors and review available preclinical and clinical data, elaborating on mutations that might be particularly sensitive to this approach. We also outline some emerging mechanisms of intrinsic and acquired resistance to HIF2α inhibitors, including acquired mutations of the gatekeeper pocket of HIF2α and its interacting partner ARNT. Lastly, we propose that the high efficacy of belzutifan observed in tumors with genetically driven hypoxia caused by VHL mutations suggests that a focus on other mutations that similarly lead to HIF2α stabilization, such as those occurring in neuroendocrine tumors with disruptions in the tricarboxylic acid cycle (SDHA/B/C/D, FH, MDH2, IDH2), HIF hydroxylases (EGLN/PHDs), and the HIF2α-encoding gene, EPAS1, are warranted.
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Affiliation(s)
- Rodrigo A Toledo
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Camilo Jimenez
- Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gustavo Armaiz-Pena
- Department of Medicine, University of Texas Health San Antonio, San Antonio, TX 78229, USA
| | - Carlota Arenillas
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Jaume Capdevila
- Gastrointestinal and Endocrine Tumors Group, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Medical Oncology Department, Gastrointestinal and Endocrine Tumor Unit, Vall d'Hebron University Hospital, Vall Hebron Institute of Oncology (VHIO), IOB Quiron-Teknon, 08035 Barcelona, Spain
| | - Patricia L M Dahia
- Department of Medicine, University of Texas Health San Antonio, San Antonio, TX 78229, USA
- Mays Cancer Center, University of Texas Health San Antonio, San Antonio, TX 78229, USA
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Bowling GC, Rands MG, Dobi A, Eldhose B. Emerging Developments in ETS-Positive Prostate Cancer Therapy. Mol Cancer Ther 2023; 22:168-178. [PMID: 36511830 DOI: 10.1158/1535-7163.mct-22-0527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/26/2022] [Accepted: 12/07/2022] [Indexed: 12/15/2022]
Abstract
Prostate cancer is a global health concern, which has a low survival rate in its advanced stages. Even though second-generation androgen receptor-axis inhibitors serve as the mainstay treatment options, utmost of the metastatic cases progress into castration-resistant prostate cancer after their initial treatment response with poor prognostic outcomes. Hence, there is a dire need to develop effective inhibitors that aim the causal oncogenes tangled in the prostate cancer initiation and progression. Molecular-targeted therapy against E-26 transformation-specific (ETS) transcription factors, particularly ETS-related gene, has gained wide attention as a potential treatment strategy. ETS rearrangements with the male hormone responsive transmembrane protease serine 2 promoter defines a significant number of prostate cancer cases and is responsible for cancer initiation and progression. Notably, inhibition of ETS activity has shown to reduce tumorigenesis, thus highlighting its potential as a clinical therapeutic target. In this review, we recapitulate the various targeted drug approaches, including small molecules, peptidomimetics, nucleic acids, and many others, aimed to suppress ETS activity. Several inhibitors have demonstrated ERG antagonist activity in prostate cancer, but further investigations into their molecular mechanisms and impacts on nontumor ETS-containing tissues is warranted.
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Affiliation(s)
- Gartrell C Bowling
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Mitchell G Rands
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Albert Dobi
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
| | - Binil Eldhose
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland
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Liu Z, Zou H, Dang Q, Xu H, Liu L, Zhang Y, Lv J, Li H, Zhou Z, Han X. Biological and pharmacological roles of m 6A modifications in cancer drug resistance. Mol Cancer 2022; 21:220. [PMID: 36517820 PMCID: PMC9749187 DOI: 10.1186/s12943-022-01680-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 11/11/2022] [Indexed: 12/23/2022] Open
Abstract
Cancer drug resistance represents the main obstacle in cancer treatment. Drug-resistant cancers exhibit complex molecular mechanisms to hit back therapy under pharmacological pressure. As a reversible epigenetic modification, N6-methyladenosine (m6A) RNA modification was regarded to be the most common epigenetic RNA modification. RNA methyltransferases (writers), demethylases (erasers), and m6A-binding proteins (readers) are frequently disordered in several tumors, thus regulating the expression of oncoproteins, enhancing tumorigenesis, cancer proliferation, development, and metastasis. The review elucidated the underlying role of m6A in therapy resistance. Alteration of the m6A modification affected drug efficacy by restructuring multidrug efflux transporters, drug-metabolizing enzymes, and anticancer drug targets. Furthermore, the variation resulted in resistance by regulating DNA damage repair, downstream adaptive response (apoptosis, autophagy, and oncogenic bypass signaling), cell stemness, tumor immune microenvironment, and exosomal non-coding RNA. It is highlighted that several small molecules targeting m6A regulators have shown significant potential for overcoming drug resistance in different cancer categories. Further inhibitors and activators of RNA m6A-modified proteins are expected to provide novel anticancer drugs, delivering the therapeutic potential for addressing the challenge of resistance in clinical resistance.
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Affiliation(s)
- Zaoqu Liu
- grid.412633.10000 0004 1799 0733Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China ,grid.207374.50000 0001 2189 3846Interventional Institute of Zhengzhou University, Zhengzhou, 450052 Henan China ,grid.412633.10000 0004 1799 0733Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052 Henan China
| | - Haijiao Zou
- grid.412633.10000 0004 1799 0733Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Qin Dang
- grid.412633.10000 0004 1799 0733Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Hui Xu
- grid.412633.10000 0004 1799 0733Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Long Liu
- grid.412633.10000 0004 1799 0733Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Yuyuan Zhang
- grid.412633.10000 0004 1799 0733Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Jinxiang Lv
- grid.412633.10000 0004 1799 0733Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Huanyun Li
- grid.412633.10000 0004 1799 0733Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Zhaokai Zhou
- grid.412633.10000 0004 1799 0733Department of Pediatric Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China
| | - Xinwei Han
- grid.412633.10000 0004 1799 0733Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan China ,grid.207374.50000 0001 2189 3846Interventional Institute of Zhengzhou University, Zhengzhou, 450052 Henan China ,grid.412633.10000 0004 1799 0733Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, 450052 Henan China
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Balalaeva IV, Krylova LV, Karpova MA, Shulga AA, Konovalova EV, Guryev EL, Deyev SM. Synergistic Effect of the Combined Action of Targeted and Photodynamic Therapy on HER2-Positive Breast Cancer. DOKL BIOCHEM BIOPHYS 2022; 507:330-333. [PMID: 36786996 DOI: 10.1134/s1607672922340038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/25/2022] [Accepted: 10/25/2022] [Indexed: 02/15/2023]
Abstract
Development of combined schemes for the treatment of oncological diseases is a promising strategy to improve the effectiveness of antitumor therapy. This paper shows the fundamental possibility of multiplying the antitumor effect by combining targeted and photodynamic therapy. It was demonstrated that sequential treatment of HER-2 positive breast cancer cells with the targeted toxin DARPin-LoPE and the photoactive compound photodithazine leads to a synergistic enhancement of their effect. In the future, this approach is intended to achieve the maximum therapeutic effect while minimizing the risks of negative side effects.
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Affiliation(s)
- I V Balalaeva
- Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia.
| | - L V Krylova
- Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - M A Karpova
- Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - A A Shulga
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - E V Konovalova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - E L Guryev
- Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
| | - S M Deyev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia. .,Sechenov First Moscow State Medical University, Moscow, Russia.
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Jiang H, Li AM, Ye J. The magic bullet: Niclosamide. Front Oncol 2022; 12:1004978. [PMID: 36479072 PMCID: PMC9720275 DOI: 10.3389/fonc.2022.1004978] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/12/2022] [Indexed: 08/27/2023] Open
Abstract
The term 'magic bullet' is a scientific concept proposed by the German Nobel laureate Paul Ehrlich in 1907, describing a medicine that could specifically and efficiently target a disease without harming the body. Oncologists have been looking for a magic bullet for cancer therapy ever since. However, the current therapies for cancers-including chemotherapy, radiation therapy, hormone therapy, and targeted therapy-pose either pan-cytotoxicity or only single-target efficacy, precluding their ability to function as a magic bullet. Intriguingly, niclosamide, an FDA-approved drug for treating tapeworm infections with an excellent safety profile, displays broad anti-cancer activity in a variety of contexts. In particular, niclosamide inhibits multiple oncogenic pathways such as Wnt/β-catenin, Ras, Stat3, Notch, E2F-Myc, NF-κB, and mTOR and activates tumor suppressor signaling pathways such as p53, PP2A, and AMPK. Moreover, niclosamide potentially improves immunotherapy by modulating pathways such as PD-1/PDL-1. We recently discovered that niclosamide ethanolamine (NEN) reprograms cellular metabolism through its uncoupler function, consequently remodeling the cellular epigenetic landscape to promote differentiation. Inspired by the promising results from the pre-clinical studies, several clinical trials are ongoing to assess the therapeutic effect of niclosamide in cancer patients. This current review summarizes the functions, mechanism of action, and potential applications of niclosamide in cancer therapy as a magic bullet.
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Affiliation(s)
- Haowen Jiang
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, United States
| | - Albert M. Li
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, United States
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, United States
| | - Jiangbin Ye
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, United States
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, United States
- Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, United States
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Regorafenib Induces Senescence and Epithelial-Mesenchymal Transition in Colorectal Cancer to Promote Drug Resistance. Cells 2022; 11:cells11223663. [PMID: 36429091 PMCID: PMC9688587 DOI: 10.3390/cells11223663] [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: 10/20/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Potential intrinsic resistance mechanisms to regorafenib were explored after short exposure (3 days) on five CRC cell lines (HCT-116, SW1116, LS-1034, SW480, Caco-2). The observation of senescence-like features led to the investigation of a drug-initiated phenotype switch. Following long-term exposure (12 months) of HCT-116 and SW480 cell lines to regorafenib, we developed resistant models to explore acquired resistance. SW480 cells demonstrated senescent-like properties, including a cell arrest in the late G2/prophase cell cycle stage and a statistically significant decrease in the expression of G1 Cyclin-Dependent Kinase inhibitors and key cell cycle regulators. A specific senescence-associated secretome was also observed. In contrast, HCT-116 treated cells presented early senescent features and developed acquired resistance triggering EMT and a more aggressive phenotype over time. The gained migration and invasion ability by long-exposed cells was associated with the increased expression level of key cellular and extracellular EMT-related factors. The PI3K/AKT pathway was a significant player in the acquired resistance of HCT-116 cells, possibly related to a PI3KCA mutation in this cell line. Our findings provide new insights into the phenotypic plasticity of CRC cells able, under treatment pressure, to acquire a stable TIS or to use an early senescence state to undergo EMT.
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Audit of Molecular Mechanisms of Primary and Secondary Resistance to Various Generations of Tyrosine Kinase Inhibitors in Known Epidermal Growth Factor Receptor-Mutant Non-small Cell Lung Cancer Patients in a Tertiary Centre. Clin Oncol (R Coll Radiol) 2022; 34:e451-e462. [PMID: 35810049 DOI: 10.1016/j.clon.2022.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 03/30/2022] [Accepted: 06/13/2022] [Indexed: 01/31/2023]
Abstract
AIMS Presently, three generations of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) are approved against oncogene addicted EGFR-mutant non-small cell lung cancer (NSCLC). Patients with actionable EGFR mutations invariably develop resistance. This resistance can be intrinsic (primary) or acquired (secondary). MATERIALS AND METHODS This was a retrospective study carried out between January 2016 and April 2021 analysing 486 samples of NSCLC for primary and secondary resistance to first- (erlotinib, gefitinb), second- (afatinib) and/or third-generation (osimertinib) TKIs in EGFR-mutant NSCLCs by next generation sequencing (NGS). Tissue NGS was carried out using the Thermofischer Ion Torrent™ Oncomine™ Focus 52 gene assay; liquid biopsy NGS was carried out using the Oncomine Lung Cell-Free Total Nucleic Acid assay. All cases were previously tested for a single EGFR gene with the Therascreen® EGFR RGQ PCR kit. RESULTS The results were divided into four groups: (i) group 1: primary resistance to first- and/or second-generation TKIs. This group, with 21 cases, showed EGFR exon 20 insertions, dual, complex mutations and variant of unknown significance, de novo MET gene amplification besides other mutations. (ii) Group 2: primary resistance to third-generation TKIs. This group showed two cases, with one showing dual EGFR mutation (L858R and E709A) and EGFR gene amplification. (iii) Group 3: secondary resistance to first- and second-generation TKIs. This group had 27 cases, which were previously reported negative for EGFR T790M by single gene testing. Significant findings were MET gene amplification in four cases, with one also showing MET exon 14 skipping mutation. Three cases showed small cell change and one showed loss of primary mutation. (iv) Group 4: secondary resistance to third-generation TKIs. The latter group was further subgrouped into group 4A: secondary resistance to osimertinib (third-generation TKI) when offered as second-line therapy after first- and second-generation TKIs on detection of T790M mutation. This group had 15 cases. EGFR T790M mutation was lost in 10 (10/15; 67%) cases and was retained in five cases. Patients with T790M loss experienced early resistance (6.9 months versus 12.6 months mean, P = 0.0024) compared with cases that retained T790M. Two cases gained MET amplification as the resistance mechanisms. Other mutations that were found when EGFR T790M was lost were in FGFR3, KRAS, PIK3CA, CTNNB1, BRAF genes. One case had EML4-ALK translocation. Two cases showed driver EGFR deletion 19, retained T790M and C797S mutation in Cis form. Group 4B: secondary resistance to osimertinib (when given as first-line therapy) in EGFR-mutant NSCLC. This group had three cases. The duration of osimertinib treatment ranged from 11 to 17 months. Two patients showed additional C797S mutation along with primary EGFR mutation. CONCLUSION This study shows the wide spectrum of primary and secondary EGFR resistance mechanisms to first, second and third generation of TKIs and helps us to identify newer therapeutic targets that could carry forward the initial advantage offered by EGFR TKIs.
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Olmos M, Lutz R, Büntemeyer TO, Glajzer J, Nobis CP, Ries J, Möst T, Eckstein M, Hecht M, Gostian AO, Erdmann M, Foerster Y, Kesting M, Weber M. Case report: Patient specific combination of surgery and immunotherapy in advanced squamous cell carcinoma of the head and neck - a case series and review of literature. Front Immunol 2022; 13:970823. [PMID: 36389668 PMCID: PMC9646561 DOI: 10.3389/fimmu.2022.970823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 10/10/2022] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Prognosis of patients with recurrent or metastatic head and neck cancer is generally poor. Adjuvant immunotherapy (IT) featuring immune checkpoint inhibition (ICI) is standard of care in advanced stage head and neck squamous cell carcinoma (HNSCC) and cutaneous squamous cell carcinoma (CSCC). ICI response rates in CSCC are described as higher than in HNSCC. IT is constantly shifting into earlier disease stages which confronts the surgeon with immunotherapeutically pre-treated patients. It is therefore becoming increasingly difficult to assess which patients with symptomatic tumor disease and a lack of curative surgical option might benefit from salvage surgery. CASE PRESENTATIONS The following 6 cases describe therapeutic decision-making regarding ICI and (salvage) surgery in patients with advanced stage HNSCC or CSCC. Cases A and B focus on neoadjuvant ICI followed by salvage surgery. In Cases C and D salvage surgery was performed after short-term stabilization with partial response to ICI. The last two cases (Cases E and F) address the surgical approach after failure of ICI. All cases are discussed in the context of the current study landscape and with focus on individual decision-making. For better understanding, a timetable of the clinical course is given for each case. CONCLUSIONS ICI is rapidly expanding its frontiers into the neoadjuvant setting, frequently confronting the surgeon with heavily pretreated patients. Salvage surgery is a viable therapeutic concept despite the rise of systemic treatment options. Decision-making on surgical intervention in case of a salvage surgery remains an individual choice. For neoadjuvant ICI monitoring regarding pathological tumor response or tumor necrosis rate, we suggest correlation between the initial biopsy and the definite tumor resectate in order to increase its significance as a surrogate marker. Scheduling of neoadjuvant ICI should be further investigated, as recent studies indicate better outcomes with shorter time frames.
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Affiliation(s)
- Manuel Olmos
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Rainer Lutz
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Tjark-Ole Büntemeyer
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Jacek Glajzer
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Christopher-Philipp Nobis
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Jutta Ries
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Tobias Möst
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Markus Eckstein
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Markus Hecht
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
- Department of Radiation Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Antoniu-Oreste Gostian
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
- Department of Otorhinolaryngology – Head and Neck Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Michael Erdmann
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
- Department of Dermatology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Yannick Foerster
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Marco Kesting
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Manuel Weber
- Department of Oral and Cranio-Maxillofacial Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-European Metropolitan Area of Nürnberg (CCC ER-EMN), Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
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Frequency of CYP2B6 Alleles in Major Iranian Ethnicities, Affecting Response to Efavirenz. Genet Res (Camb) 2022; 2022:5754776. [PMID: 36320932 PMCID: PMC9605844 DOI: 10.1155/2022/5754776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/29/2022] [Accepted: 10/03/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction Efavirenz is an antihuman immunodeficiency virus (HIV) drug metabolized by cytochrome P450 2B6 (CYP2B6) enzyme. Cytochrome P450 2B6 is an enzyme that in humans is encoded by the CYP2B6 gene. Polymorphisms of this gene play a crucial role in the metabolism of drugs such as Efavirenz. This study aims to evaluate the frequency of three clinically significant CYP2B6 polymorphisms (CYP2B6∗6 (516G > T), CYP2B6∗4 (785A > G), and CYP2B6∗5 (1459C > T)) in three major Iranian ethnicities. Methods One hundred forty-seven participants from three main Iranian ethnicities were included in this study. After DNA extraction, CYP2B6∗6 (516G > T), CYP2B6∗4 (785A > G), and CYP2B6∗5 (1459C > T) were genotyped using tetra-primer amplification refractory mutation system polymerase chain reaction (ARMS-PCR). Results The frequency of the mutated allele in the Iranian population for CYP2B6∗6 (516G > T) was 41.50 (95% CI: 35.81, 47.36), which was significantly lower than in Kurds (59.62, 95% CI: 45.10, 72.99). Similarly, Kurds had a higher frequency of mutated allele of CYP2B6∗5 (1459C > T) (46.15%, 95% CI: 32.23, 60.53) than in Iranians (24.49%, 95% CI: 19.68, 29.82). The frequency of A and G alleles of CYP2B6∗4 (785A > G) was 62.59% (95% CI: 56.78, 68.13) and 37.41 (95% CI: 31.87, 43.22), respectively. Conclusion Kurds are at higher risk of adverse drug reactions (ADRs) and insufficient anti-HIV response compared to other Iranians.
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Precision oncology using ex vivo technology: a step towards individualised cancer care? Expert Rev Mol Med 2022; 24:e39. [PMID: 36184897 PMCID: PMC9884776 DOI: 10.1017/erm.2022.32] [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] [Indexed: 01/11/2023]
Abstract
Despite advances in cancer genomics and the increased use of genomic medicine, metastatic cancer is still mostly an incurable and fatal disease. With diminishing returns from traditional drug discovery strategies, and high clinical failure rates, more emphasis is being placed on alternative drug discovery platforms, such as ex vivo approaches. Ex vivo approaches aim to embed biological relevance and inter-patient variability at an earlier stage of drug discovery, and to offer more precise treatment stratification for patients. However, these techniques also have a high potential to offer personalised therapies to patients, complementing and enhancing genomic medicine. Although an array of approaches are available to researchers, only a minority of techniques have made it through to direct patient treatment within robust clinical trials. Within this review, we discuss the current challenges to ex vivo approaches within clinical practice and summarise the contemporary literature which has directed patient treatment. Finally, we map out how ex vivo approaches could transition from a small-scale, predominantly research based technology to a robust and validated predictive tool. In future, these pre-clinical approaches may be integrated into clinical cancer pathways to assist in the personalisation of therapy choices and to hopefully improve patient experiences and outcomes.
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Martínez-Sabadell A, Morancho B, Rius Ruiz I, Román Alonso M, Ovejero Romero P, Escorihuela M, Chicote I, Palmer HG, Nonell L, Alemany-Chavarria M, Klein C, Bacac M, Arribas J, Arenas EJ. The target antigen determines the mechanism of acquired resistance to T cell-based therapies. Cell Rep 2022; 41:111430. [DOI: 10.1016/j.celrep.2022.111430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 06/20/2022] [Accepted: 09/08/2022] [Indexed: 11/03/2022] Open
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Demystifying Extrachromosomal DNA Circles: Categories, Biogenesis, and Cancer Therapeutics. Comput Struct Biotechnol J 2022; 20:6011-6022. [PMID: 36382182 PMCID: PMC9647416 DOI: 10.1016/j.csbj.2022.10.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 10/21/2022] [Accepted: 10/21/2022] [Indexed: 12/01/2022] Open
Abstract
Since the advent of sequencing technologies in the 1990s, researchers have focused on the association between aberrations in chromosomal DNA and disease. However, not all forms of the DNA are linear and chromosomal. Extrachromosomal circular DNAs (eccDNAs) are double-stranded, closed-circled DNA constructs free from the chromosome that reside in the nuclei. Although widely overlooked, the eccDNAs have recently gained attention for their potential roles in physiological response, intratumoral heterogeneity and cancer therapeutics. In this review, we summarize the history, classifications, biogenesis, and highlight recent progresses on the emerging topic of eccDNAs and comment on their potential application as biomarkers in clinical settings.
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Dao V, Yuki K, Lo YH, Nakano M, Kuo CJ. Immune organoids: from tumor modeling to precision oncology. Trends Cancer 2022; 8:870-880. [PMID: 35773148 PMCID: PMC9704769 DOI: 10.1016/j.trecan.2022.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 12/31/2022]
Abstract
Cancer immunotherapies, particularly immune checkpoint inhibitors, are rapidly becoming standard-of-care for many cancers. The ascendance of immune checkpoint inhibitor treatment and limitations in the accurate prediction of clinical response thereof have provided significant impetus to develop preclinical models that can guide therapeutic intervention. Traditional organoid culture methods that exclusively grow tumor epithelium as patient-derived organoids are under investigation as a personalized platform for drug discovery and for predicting clinical efficacy of chemotherapies and targeted agents. Recently, the patient-derived tumor organoid platform has evolved to contain more complex stromal and immune compartments needed to assess immunotherapeutic efficacy. We review the different methodologies for developing a more holistic patient-derived tumor organoid platform and for modeling the native immune tumor microenvironment.
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Affiliation(s)
- Vinh Dao
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, CA, USA; Department of Medicine, Division of Oncology, Stanford University School of Medicine, Stanford, CA, USA
| | - Kanako Yuki
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, CA, USA
| | - Yuan-Hung Lo
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, CA, USA
| | - Michitaka Nakano
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, CA, USA
| | - Calvin J Kuo
- Department of Medicine, Division of Hematology, Stanford University School of Medicine, Stanford, CA, USA.
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Constantinescu T, Mihis AG. Two Important Anticancer Mechanisms of Natural and Synthetic Chalcones. Int J Mol Sci 2022; 23:ijms231911595. [PMID: 36232899 PMCID: PMC9570335 DOI: 10.3390/ijms231911595] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
ATP-binding cassette subfamily G and tubulin pharmacological mechanisms decrease the effectiveness of anticancer drugs by modulating drug absorption and by creating tubulin assembly through polymerization. A series of natural and synthetic chalcones have been reported to have very good anticancer activity, with a half-maximal inhibitory concentration lower than 1 µM. By modulation, it is observed in case of the first mechanism that methoxy substituents on the aromatic cycle of acetophenone residue and substitution of phenyl nucleus by a heterocycle and by methoxy or hydroxyl groups have a positive impact. To inhibit tubulin, compounds bind to colchicine binding site. Presence of methoxy groups, amino groups or heterocyclic substituents increase activity.
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Affiliation(s)
- Teodora Constantinescu
- Department of Chemistry, Faculty of Pharmacy, Iuliu Hatieganu University, 400012 Cluj-Napoca, Romania
| | - Alin Grig Mihis
- Advanced Materials and Applied Technologies Laboratory, Institute of Research-Development-Innovation in Applied Natural Sciences, “Babes-Bolyai” University, Fantanele Str. 30, 400294 Cluj-Napoca, Romania
- Correspondence:
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Taghizadeh-Hesary F, Akbari H, Bahadori M, Behnam B. Targeted Anti-Mitochondrial Therapy: The Future of Oncology. Genes (Basel) 2022; 13:genes13101728. [PMID: 36292613 PMCID: PMC9602426 DOI: 10.3390/genes13101728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/30/2022] Open
Abstract
Like living organisms, cancer cells require energy to survive and interact with their environment. Mitochondria are the main organelles for energy production and cellular metabolism. Recently, investigators demonstrated that cancer cells can hijack mitochondria from immune cells. This behavior sheds light on a pivotal piece in the cancer puzzle, the dependence on the normal cells. This article illustrates the benefits of new functional mitochondria for cancer cells that urge them to hijack mitochondria. It describes how functional mitochondria help cancer cells’ survival in the harsh tumor microenvironment, immune evasion, progression, and treatment resistance. Recent evidence has put forward the pivotal role of mitochondria in the metabolism of cancer stem cells (CSCs), the tumor components responsible for cancer recurrence and metastasis. This theory highlights the mitochondria in cancer biology and explains how targeting mitochondria may improve oncological outcomes.
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Affiliation(s)
- Farzad Taghizadeh-Hesary
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran 1445613131, Iran
- Department of Radiation Oncology, Iran University of Medical Sciences, Tehran 1445613131, Iran
- Correspondence: or (F.T.-H.); or (B.B.); Tel.: +98-912-608-6713 (F.T.-H.); Tel.: +1-407-920-4420 (B.B.)
| | - Hassan Akbari
- Department of Pathology, Shahid Beheshti University of Medical Sciences, Tehran P.O. Box 4739-19395, Iran
- Traditional Medicine School, Tehran University of Medical Sciences, Tehran P.O. Box 14155-6559, Iran
| | - Moslem Bahadori
- Faculty of Medicine, Tehran University of Medical Sciences, Tehran P.O. Box 14155-6559, Iran
| | - Babak Behnam
- Department of Regulatory Affairs, Amarex Clinical Research, Germantown, MD 20874, USA
- Correspondence: or (F.T.-H.); or (B.B.); Tel.: +98-912-608-6713 (F.T.-H.); Tel.: +1-407-920-4420 (B.B.)
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Novel epigenetic therapeutic strategies and targets in cancer. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166552. [PMID: 36126898 DOI: 10.1016/j.bbadis.2022.166552] [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: 06/14/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 11/24/2022]
Abstract
The critical role of dysregulated epigenetic pathways in cancer genesis, development, and therapy has typically been established as a result of scientific and technical innovations in next generation sequencing. RNA interference, histone modification, DNA methylation and chromatin remodelling are epigenetic processes that control gene expression without causing mutations in the DNA. Although epigenetic abnormalities are thought to be a symptom of cell tumorigenesis and malignant events that impact tumor growth and drug resistance, physicians believe that related processes might be a key therapeutic target for cancer treatment and prevention due to the reversible nature of these processes. A plethora of novel strategies for addressing epigenetics in cancer therapy for immuno-oncological complications are currently available - ranging from basic treatment to epigenetic editing. - and they will be the subject of this comprehensive review. In this review, we cover most of the advancements made in the field of targeting epigenetics with special emphasis on microbiology, plasma science, biophysics, pharmacology, molecular biology, phytochemistry, and nanoscience.
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Targeted Protein Degradation to Overcome Resistance in Cancer Therapies: PROTAC and N-Degron Pathway. Biomedicines 2022; 10:biomedicines10092100. [PMID: 36140200 PMCID: PMC9495352 DOI: 10.3390/biomedicines10092100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/22/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
Extensive progress in understanding the molecular mechanisms of cancer growth and proliferation has led to the remarkable development of drugs that target cancer-driving molecules. Most target molecules are proteins such as kinases and kinase-associated receptors, which have enzymatic activities needed for the signaling cascades of cells. The small molecule inhibitors for these target molecules greatly improved therapeutic efficacy and lowered the systemic toxicity in cancer therapies. However, long-term and high-dosage treatment of small inhibitors for cancer has produced other obstacles, such as resistance to inhibitors. Among recent approaches to overcoming drug resistance to cancers, targeted protein degradation (TPD) such as proteolysis-targeting chimera (PROTAC) technology adopts a distinct mechanism of action by which a target protein is destroyed through the cellular proteolytic system, such as the ubiquitin–proteasome system or autophagy. Here, we review the currently developed PROTACs as the representative TPD molecules for cancer therapy and the N-degrons of the N-degron pathways as the potential TPD ligands.
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