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Malone M, Maeyama A, Ogden N, Perry KN, Kramer A, Bates C, Marble C, Orlando R, Rausch A, Smeraldi C, Lowey C, Fees B, Dyson HJ, Dorrell M, Kast-Woelbern H, Jansma AL. The effect of phosphorylation efficiency on the oncogenic properties of the protein E7 from high-risk HPV. Virus Res 2024; 348:199446. [PMID: 39127239 DOI: 10.1016/j.virusres.2024.199446] [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: 06/12/2024] [Revised: 07/27/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
The Human papillomavirus (HPV) causes tumors in part by hijacking the host cell cycle and forcing uncontrolled cellular division. While there are >200 genotypes of HPV, 15 are classified as high-risk and have been shown to transform infected cells and contribute to tumor formation. The remaining low-risk genotypes are not considered oncogenic and result in benign skin lesions. In high-risk HPV, the oncoprotein E7 contributes to the dysregulation of cell cycle regulatory mechanisms. High-risk E7 is phosphorylated in cells at two conserved serine residues by Casein Kinase 2 (CK2) and this phosphorylation event increases binding affinity for cellular proteins such as the tumor suppressor retinoblastoma (pRb). While low-risk E7 possesses similar serine residues, it is phosphorylated to a lesser degree in cells and has decreased binding capabilities. When E7 binding affinity is decreased, it is less able to facilitate complex interactions between proteins and therefore has less capability to dysregulate the cell cycle. By comparing E7 protein sequences from both low- and high-risk HPV variants and using site-directed mutagenesis combined with NMR spectroscopy and cell-based assays, we demonstrate that the presence of two key nonpolar valine residues within the CK2 recognition sequence, present in low-risk E7, reduces serine phosphorylation efficiency relative to high-risk E7. This results in significant loss of the ability of E7 to degrade the retinoblastoma tumor suppressor protein, thus also reducing the ability of E7 to increase cellular proliferation and reduce senescence. This provides additional insight into the differential E7-mediated outcomes when cells are infected with high-risk verses low-risk HPV. Understanding these oncogenic differences may be important to developing targeted treatment options for HPV-induced cancers.
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Affiliation(s)
- Madison Malone
- Department of Chemistry, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Ava Maeyama
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Naomi Ogden
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Kayla N Perry
- Department of Chemistry, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Andrew Kramer
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Caleb Bates
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Camryn Marble
- Department of Chemistry, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Ryan Orlando
- Department of Chemistry, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Amy Rausch
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Caleb Smeraldi
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Connor Lowey
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Bronson Fees
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - H Jane Dyson
- Department of Integrative Structural and Computational Biology and Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, 92037, CA, USA
| | - Michael Dorrell
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA
| | - Heidi Kast-Woelbern
- Department of Biology, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA.
| | - Ariane L Jansma
- Department of Chemistry, Point Loma Nazarene University, 3900 Lomaland Drive, San Diego, 92126, CA, USA.
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Li H, Stoltzfus AT, Michel SLJ. Mining proteomes for zinc finger persulfidation. RSC Chem Biol 2024; 5:572-585. [PMID: 38846077 PMCID: PMC11151867 DOI: 10.1039/d3cb00106g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 12/03/2023] [Indexed: 06/09/2024] Open
Abstract
Hydrogen sulfide (H2S) is an endogenous gasotransmitter that signals via persulfidation. There is evidence that the cysteine residues of certain zinc finger (ZF) proteins, a common type of cysteine rich protein, are modified to persulfides by H2S. To determine how frequently ZF persulfidation occurs in cells and identify the types of ZFs that are persulfidated, persulfide specific proteomics data were evaluated. 22 datasets from 16 studies were analyzed via a meta-analysis approach. Persulfidated ZFs were identified in a range of eukaryotic species, including Homo sapiens, Mus musculus, Rattus norvegicus, Arabidopsis thaliana, and Emiliania huxley (single-celled phytoplankton). The types of ZFs identified for each species encompassed all three common ZF ligand sets (4-cysteine, 3-cysteine-1-histidine, and 2-cysteine-2-hisitidine), indicating that persulfidation of ZFs is broad. Overlap analysis between different species identified several common ZFs. GO and KEGG analysis identified pathway enrichment for ubiquitin-dependent protein catabolic process and viral carcinogenesis. These collective findings support ZF persulfidation as a wide-ranging PTM that impacts all classes of ZFs.
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Affiliation(s)
- Haoju Li
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy Baltimore MD 21201 USA
| | - Andrew T Stoltzfus
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy Baltimore MD 21201 USA
| | - Sarah L J Michel
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy Baltimore MD 21201 USA
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3
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Wang X, Zhang H, Chen L, Xu J, Qu P. A novel method for colposcopic shunting in HPV-positive women: Quantitative detection of HPV E7 oncoprotein. Heliyon 2024; 10:e25238. [PMID: 38420415 PMCID: PMC10900405 DOI: 10.1016/j.heliyon.2024.e25238] [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: 07/30/2023] [Revised: 01/21/2024] [Accepted: 01/23/2024] [Indexed: 03/02/2024] Open
Abstract
The objective of the study was to evaluate the clinical application potential of quantitatively detecting human papillomavirus (HPV) E7 oncoprotein in HPV-positive women, with the goal of detecting potential high-grade cervical squamous intraepithelial lesions (HSIL) and cervical cancer improving the accuracy of colposcopic shunting in these patients.HPV-positive women (N = 611) were selected for quantitatively detecting HPV E7 protein levels by magnetic particle-based chemiluminescence immunoassay before colposcopy. Receiver operating characteristic (ROC) curve analysis was performed (n = 400) to determine diagnostic detection thresholds for HPV E7 oncoprotein. ThinPrep cytology test (TCT) and Aptima HPV E6/E7 mRNA analysis were also performed (n = 211). The diagnostic performance of these three diagnostic methods in detecting HSIL and cervical cancer was compared with the gold standard of pathological diagnosis. The area under the ROC curve was 0.724. The diagnostic detection threshold of HPV E7 oncoprotein was ≥10.88 ng/mL. The sensitivity (SEN), specificity (SPE), positive predictive value (PPV), negative predictive value (NPV), and Youden index of HPV E7 oncoprotein for the identification of HSIL and cervical cancer were 78.7 %, 77.9 %, 72.2 %, 83.3 %, and 56.6 %, respectively, which were higher than those of TCT and HPV E6/E7 mRNA.The results indicate that quantitative detection of HPV E7 oncoprotein can effectively shunt HPV-positive women and reduce unnecessary colposcopy and biopsy. It can detect potential HSIL and cervical cancer in a timely manner and prevent high-risk patients from missing diagnosis.
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Affiliation(s)
- Xinmei Wang
- Department of Gynecological Oncology, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin 300100, China
| | - Hongyuan Zhang
- Department of Gynecology, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin 300100, China
| | - Leiyi Chen
- Department of Outpatient office, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin 300100, China
| | - Juan Xu
- Department of Gynecological Oncology, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin 300100, China
| | - Pengpeng Qu
- Department of Gynecological Oncology, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin 300100, China
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Khalil MI, Yang C, Vu L, Chadha S, Nabors H, James CD, Morgan IM, Pyeon D. The membrane-associated ubiquitin ligase MARCHF8 stabilizes the human papillomavirus oncoprotein E7 by degrading CUL1 and UBE2L3 in head and neck cancer. J Virol 2024; 98:e0172623. [PMID: 38226814 PMCID: PMC10878100 DOI: 10.1128/jvi.01726-23] [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: 11/02/2023] [Accepted: 12/15/2023] [Indexed: 01/17/2024] Open
Abstract
The human papillomavirus (HPV) oncoprotein E7 is a relatively short-lived protein required for HPV-driven cancer development and maintenance. E7 is degraded through ubiquitination mediated by cullin 1 (CUL1) and the ubiquitin-conjugating enzyme E2 L3 (UBE2L3). However, E7 proteins are maintained at high levels in most HPV-positive cancer cells. A previous proteomics study has shown that UBE2L3 and CUL1 protein levels are increased by the knockdown of the E3 ubiquitin ligase membrane-associated ring-CH-type finger 8 (MARCHF8). We have recently demonstrated that HPV16 upregulates MARCHF8 expression in HPV-positive keratinocytes and head and neck cancer (HPV+ HNC) cells. Here, we report that MARCHF8 stabilizes the HPV16 E7 protein by degrading the components of the S-phase kinase-associated protein 1-CUL1-F-box ubiquitin ligase complex in HPV+ HNC cells. We found that MARCHF8 knockdown in HPV+ HNC cells drastically decreases the HPV16 E7 protein level while increasing the CUL1 and UBE2L3 protein levels. We further revealed that the MARCHF8 protein binds to and ubiquitinates CUL1 and UBE2L3 proteins and that MARCHF8 knockdown enhances the ubiquitination of the HPV16 E7 protein. Conversely, the overexpression of CUL1 and UBE2L3 in HPV+ HNC cells decreases HPV16 E7 protein levels and suppresses tumor growth in vivo. Our findings suggest that HPV-induced MARCHF8 prevents the degradation of the HPV16 E7 protein in HPV+ HNC cells by ubiquitinating and degrading CUL1 and UBE2L3 proteins.IMPORTANCESince human papillomavirus (HPV) oncoprotein E7 is essential for virus replication; HPV has to maintain high levels of E7 expression in HPV-infected cells. However, HPV E7 can be efficiently ubiquitinated by a ubiquitin ligase and degraded by proteasomes in the host cell. Mechanistically, the E3 ubiquitin ligase complex cullin 1 (CUL1) and ubiquitin-conjugating enzyme E2 L3 (UBE2L3) components play an essential role in E7 ubiquitination and degradation. Here, we show that the membrane ubiquitin ligase membrane-associated ring-CH-type finger 8 (MARCHF8) induced by HPV16 E6 stabilizes the E7 protein by degrading CUL1 and UBE2L3 and blocking E7 degradation through proteasomes. MARCHF8 knockout restores CUL1 and UBE2L3 expression, decreasing E7 protein levels and inhibiting the proliferation of HPV-positive cancer cells. Additionally, overexpression of CUL1 or UBE2L3 decreases E7 protein levels and suppresses in vivo tumor growth. Our results suggest that HPV16 maintains high E7 protein levels in the host cell by inducing MARCHF8, which may be critical for cell proliferation and tumorigenesis.
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Affiliation(s)
- Mohamed I. Khalil
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
- Department of Molecular Biology, National Research Centre, Cairo, Egypt
| | - Canchai Yang
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Lexi Vu
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Smriti Chadha
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Harrison Nabors
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Claire D. James
- Philips Institute for Oral Health Research, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Iain M. Morgan
- Philips Institute for Oral Health Research, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Dohun Pyeon
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
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Jones RN, Miyauchi S, Roy S, Boutros N, Mayadev JS, Mell LK, Califano JA, Venuti A, Sharabi AB. Computational and AI-driven 3D structural analysis of human papillomavirus (HPV) oncoproteins E5, E6, and E7 reveal significant divergence of HPV E5 between low-risk and high-risk genotypes. Virology 2024; 590:109946. [PMID: 38147693 DOI: 10.1016/j.virol.2023.109946] [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: 07/31/2023] [Revised: 11/01/2023] [Accepted: 11/20/2023] [Indexed: 12/28/2023]
Abstract
There are over 220 identified genotypes of Human papillomavirus (HPV), and the HPV genome encodes 3 major oncogenes, E5, E6, and E7. Conservation and divergence in protein sequence and function between low-risk versus high-risk oncogenic HPV genotypes has not been fully characterized. Here, we used modern computational and structural folding algorithms to perform a comparative analysis of HPV E5, E6, and E7 between multiple low risk and high risk genotypes. We first identified significantly greater sequence divergence in E5 between low- and high-risk genotypes compared to E6 and E7. Next, we used AlphaFold to model the structure of papillomavirus proteins and complexes with high confidence, including some with no established consensus structure. We observed that HPV E5, but not E6 or E7, had a dramatically different 3D structure between low-risk and high-risk genotypes. To our knowledge, this is the first comparative analysis of HPV proteins using Alphafold artificial intelligence (AI) system. The marked differences in E5 sequence and structure in high-risk HPVs may contribute in important and underappreciated ways to the development of HPV-associated cancers.
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Affiliation(s)
- Riley N Jones
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA
| | - Sayuri Miyauchi
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA
| | - Souvick Roy
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA
| | - Nathalie Boutros
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA
| | - Jyoti S Mayadev
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA
| | - Loren K Mell
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA; Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA
| | - Joseph A Califano
- Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA; Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of California, San Diego, La Jolla, CA, USA
| | - Aldo Venuti
- HPV-UNIT-UOSD Tumor Immunology and Immunotherapy, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Andrew B Sharabi
- Department of Radiation Medicine and Applied Sciences, University of California, San Diego, La Jolla, CA, 92037, USA; Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA.
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Trammel J, Amusan O, Hultgren A, Raikhy G, Bodily JM. Epidermal growth factor receptor-dependent stimulation of differentiation by human papillomavirus type 16 E5. Virology 2024; 590:109952. [PMID: 38103269 PMCID: PMC10842332 DOI: 10.1016/j.virol.2023.109952] [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: 10/06/2023] [Revised: 11/14/2023] [Accepted: 11/22/2023] [Indexed: 12/19/2023]
Abstract
Human papillomaviruses (HPVs) infect keratinocytes of stratified squamous epithelia, and persistent infection with high-risk HPV types, such as HPV16, may lead to the development of malignancies. HPV evades host immunity in part by linking its gene expression to the host differentiation program, and therefore relies on differentiation to complete its life cycle. Based on previous reports indicating that the HPV16 protein E5 is important in the late stages of the differentiation-dependent life cycle, we found that organotypic cultures harboring HPV16 genomes lacking E5 showed reduced markers of terminal differentiation compared to wild type HPV16-containing cultures. We found that epidermal growth factor receptor (EGFR) levels and activation were increased in an E5-depdendent manner in these tissues, and that EGFR promoted terminal differentiation and expression of the HPV16 L1 gene. These findings suggest a function for E5 in preserving the ability of HPV16 containing keratinocytes to differentiate, thus facilitating the production of new virus progeny.
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Affiliation(s)
- Jessica Trammel
- Department of Microbiology and Immunology, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA
| | - Oluwamuyiwa Amusan
- Department of Microbiology and Immunology, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA
| | - Allison Hultgren
- Department of Microbiology and Immunology, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA; School of Medicine, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA
| | - Gaurav Raikhy
- Department of Microbiology and Immunology, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA
| | - Jason M Bodily
- Department of Microbiology and Immunology, Louisiana State University Health Sciences Center - Shreveport, Shreveport, LA, 71103, USA.
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Cardona-Mendoza A, Fonseca-Benitez A, Buitrago DM, Coy-Barrera E, Perdomo SJ. Down-regulation of human papillomavirus E6 oncogene and antiproliferative effect of Schisandra chinensis and Pueraria lobata natural extracts on Hela cell line. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117225. [PMID: 37797877 DOI: 10.1016/j.jep.2023.117225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cervical cancer is one of the most common malignancies in women that continues to be a public health problem worldwide. Human papillomavirus (HPV) infection is closely related as the causative agent of almost all cases of cervical cancer. Currently, there is no effective treatment for the persistence of HPV. Although vaccines have shown promising results in recent years, they are still a costly strategy for developing countries and have no therapeutic effect on existing infections, which is why the need arises to search for new strategies that can be used in treatment, suppressing oncogenic HPV and disease progression. Extracts of Schisandra Chinensis and Pueraria lobata have been used in traditional medicine, and it has been shown in recent years that some of their bioactive compounds have pharmacological, antioxidant, antitumor, apoptotic, and proliferation effects in HPV-positive cells. However, its mechanism of action has yet to be fully explored. AIM OF THE STUDY The following study aimed to determine the chemical composition, antioxidant activity, and potential antiproliferative and viral oncogene effects of natural extracts of S. chinensis and P. lobata on HPV-18 positive cervical cancer cells. MATERIALS AND METHODS The HPV-18-positive HeLa cells were treated for 24 and 48 h with the ethanolic extracts of S chinensis and P. lobata. Subsequently, cell viability was evaluated using the resazurin method, the effect on the cell cycle of the extracts (1.0, 10, and 100 μg/mL) was measured by flow cytometry, the gene of expression of the E6/E7, P53, BCL-2, and E2F-1 were determined by RT-PCR and the protein expression of p53, Ki-67, x|and Bcl-2 by immunohistochemistry. Additionally, the chemical characterization of the two extracts was carried out using LC-MS, and the total phenolics content (TPC), Total flavonoid content (TFC), and DPPH radical scavenging capacity were determined. Data were analyzed using the Mann-Whitney and Kruskal Wallis U test with GraphPad Prism 6 software. RESULTS The natural extracts of Schisandra chinensis and Pueraria lobata induced down-regulation of E6 HPV oncogene (p<0.05) and a strong up-regulation of P53 (p<0.05), E2F-1 (p<0.05), and Bcl-2 (p<0.05) gene expression. Simultaneously, the natural extracts tend to increase the p53 protein levels and arrest the cell cycle of HeLa in the G1/S phase (p<0.05). Investigated extracts were characterized by the occurrence of bioactive lignans and isoflavones in S. chinensis and P. lobata, respectively. CONCLUSION The extracts of S. chinensis and P. lobata within their chemical characterization mainly present lignan and isoflavone-type compounds, which are probably responsible for inhibiting the expression of the HPV E6 oncogene and inducing an increase in the expression of p53, Bcl -2 and E2F-1 producing cell cycle detection in S phase in HeLa cells. Therefore, these extracts are good candidates to continue studying their antiviral and antiproliferative potential in cells transformed by HPV.
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Affiliation(s)
- Andrés Cardona-Mendoza
- Cellular and Molecular Immunology Group-INMUBO, School of Dentistry, Universidad El Bosque, Bogotá, Colombia
| | - Angela Fonseca-Benitez
- Cellular and Molecular Immunology Group-INMUBO, School of Dentistry, Universidad El Bosque, Bogotá, Colombia
| | - Diana Marcela Buitrago
- Cellular and Molecular Immunology Group-INMUBO, School of Dentistry, Universidad El Bosque, Bogotá, Colombia; Unidad de Investigación Básica Oral-UIBO, Facultad de Odontología, Universidad El Bosque, Bogotá, Colombia
| | - Ericsson Coy-Barrera
- Bioorganic Chemistry Laboratory, Department of Chemistry, Universidad Militar Nueva Granada, Cajicá, 250247, Colombia
| | - Sandra J Perdomo
- Cellular and Molecular Immunology Group-INMUBO, School of Dentistry, Universidad El Bosque, Bogotá, Colombia.
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Vemula V, Marudamuthu AS, Prasad S, B M S, S E M, A S, Seal P, Alagumuthu M. Fragment-based design and MD simulations of human papilloma virus-16 E6 protein inhibitors. J Biomol Struct Dyn 2024; 42:288-297. [PMID: 37098806 DOI: 10.1080/07391102.2023.2203775] [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: 11/14/2022] [Accepted: 03/10/2023] [Indexed: 04/27/2023]
Abstract
The main objective of this study is to screen potential small molecule inhibitors against HPV (Human Papilloma Virus)-16 E6 protein (HPV16 E6P) using a fragment-based approach. Twenty-six natural HPV inhibitors were selected based on the review of the literature. Among them, Luteolin was selected as the reference compound. These 26 compounds were used to generate novel inhibitors against HPV16 E6P. Fragment script and BREED of Schrodinger software were used to build novel inhibitor molecules. The result in 817 novel molecules was docked into the active binding site of HPV E6 protein and the top ten compounds were screened based on binding affinity compared to Luteolin for further study. Compounds Cpd5, Cpd7, and Cpd10 were the most potent inhibitors of HPV16 E6P and these were non-toxic and showed high Gastrointestinal (GI) absorption and positive drug-likeness score. Complexes of these compounds were stable in the 200 ns Molecular Dynamics (MD) simulation. These 3 HPV16 E6P inhibitors could be the lead molecules as new drugs for HPV-related diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Vani Vemula
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
| | | | - Sanjay Prasad
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bengaluru, India
| | - Suman B M
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
| | - Mamatha S E
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
| | - Swathi A
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
| | - Priyanka Seal
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
| | - Manikandan Alagumuthu
- Department of Microbiology, M. S. Ramaiah College of Arts, Science and Commerce, Bengaluru, India
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Khalil MI, Yang C, Vu L, Chadha S, Nabors H, James CD, Morgan IM, Pyeon D. The membrane-associated ubiquitin ligase MARCHF8 stabilizes the human papillomavirus oncoprotein E7 by degrading CUL1 and UBE2L3 in head and neck cancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.03.565564. [PMID: 37961092 PMCID: PMC10635129 DOI: 10.1101/2023.11.03.565564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
The human papillomavirus (HPV) oncoprotein E7 is a relatively short-lived protein required for HPV-driven cancer development and maintenance. E7 is degraded through ubiquitination mediated by cullin 1 (CUL1) and the ubiquitin-conjugating enzyme E2 L3 (UBE2L3). However, E7 proteins are maintained at high levels in most HPV-positive cancer cells. A previous proteomics study has shown that UBE2L3 and CUL1 protein levels are increased by the knockdown of the E3 ubiquitin ligase membrane-associated ring-CH-type finger 8 (MARCHF8). We have recently demonstrated that HPV upregulates MARCHF8 expression in HPV-positive keratinocytes and head and neck cancer (HPV+ HNC) cells. Here, we report that MARCHF8 stabilizes the E7 protein by degrading the components of the SKP1-CUL1-F-box (SCF) ubiquitin ligase complex in HPV+ HNC cells. We found that MARCHF8 knockdown in HPV+ HNC cells drastically decreases the E7 protein level while increasing the CUL1 and UBE2L3 protein levels. We further revealed that the MARCHF8 protein binds to and ubiquitinates CUL1 and UBE2L3 proteins and that MARCHF8 knockdown enhances the ubiquitination of the E7 protein. Conversely, the overexpression of CUL1 and UBE2L3 in HPV+ HNC cells decreases E7 protein levels and suppresses tumor growth in vivo. Our findings suggest that HPV-induced MARCHF8 prevents the degradation of the E7 protein in HPV+ HNC cells by ubiquitinating and degrading CUL1 and UBE2L3 proteins.
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Affiliation(s)
- Mohamed I. Khalil
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
- Department of Molecular Biology, National Research Centre, El-Buhouth St., Cairo, Egypt
| | - Canchai Yang
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Lexi Vu
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Smriti Chadha
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Harrison Nabors
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Claire D. James
- Philips Institute for Oral Health Research, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Iain M. Morgan
- Philips Institute for Oral Health Research, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Dohun Pyeon
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
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10
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Berenson A, Lane R, Soto-Ugaldi LF, Patel M, Ciausu C, Li Z, Chen Y, Shah S, Santoso C, Liu X, Spirohn K, Hao T, Hill DE, Vidal M, Fuxman Bass JI. Paired yeast one-hybrid assays to detect DNA-binding cooperativity and antagonism across transcription factors. Nat Commun 2023; 14:6570. [PMID: 37853017 PMCID: PMC10584920 DOI: 10.1038/s41467-023-42445-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023] Open
Abstract
Cooperativity and antagonism between transcription factors (TFs) can drastically modify their binding to regulatory DNA elements. While mapping these relationships between TFs is important for understanding their context-specific functions, existing approaches either rely on DNA binding motif predictions, interrogate one TF at a time, or study individual TFs in parallel. Here, we introduce paired yeast one-hybrid (pY1H) assays to detect cooperativity and antagonism across hundreds of TF-pairs at DNA regions of interest. We provide evidence that a wide variety of TFs are subject to modulation by other TFs in a DNA region-specific manner. We also demonstrate that TF-TF relationships are often affected by alternative isoform usage and identify cooperativity and antagonism between human TFs and viral proteins from human papillomaviruses, Epstein-Barr virus, and other viruses. Altogether, pY1H assays provide a broadly applicable framework to study how different functional relationships affect protein occupancy at regulatory DNA regions.
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Affiliation(s)
- Anna Berenson
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Ryan Lane
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Luis F Soto-Ugaldi
- Tri-Institutional Program in Computational Biology and Medicine, New York, NY, USA
| | - Mahir Patel
- Department of Computer Science, Boston University, Boston, MA, 02215, USA
| | - Cosmin Ciausu
- Department of Computer Science, Boston University, Boston, MA, 02215, USA
| | - Zhaorong Li
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Yilin Chen
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Sakshi Shah
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Clarissa Santoso
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Xing Liu
- Department of Biology, Boston University, Boston, MA, 02215, USA
| | - Kerstin Spirohn
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Tong Hao
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - David E Hill
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Marc Vidal
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Juan I Fuxman Bass
- Department of Biology, Boston University, Boston, MA, 02215, USA.
- Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA, 02215, USA.
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11
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Chaudhary P, Proulx J, Park IW. Ubiquitin-protein ligase E3A (UBE3A) mediation of viral infection and human diseases. Virus Res 2023; 335:199191. [PMID: 37541588 PMCID: PMC10430597 DOI: 10.1016/j.virusres.2023.199191] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/06/2023]
Abstract
The Ubiquitin-protein ligase E3A, UBE3A, also known as E6-associated protein (E6-AP), is known to play an essential role in regulating the degradation of various proteins by transferring Ub from E2 Ub conjugating enzymes to the substrate proteins. Several studies indicate that UBE3A regulates the stabilities of key viral proteins in the virus-infected cells and, thereby, the infected virus-mediated diseases, even if it were reported that UBE3A participates in non-viral-related human diseases. Furthermore, mutations such as deletions and duplications in the maternally inherited gene in the brain cause human neurodevelopmental disorders such as Angelman syndrome (AS) and autism. It is also known that UBE3A functions as a transcriptional coactivator for the expression of steroid hormone receptors. These reports establish that UBE3A is distinguished by its multitudinous functions that are paramount to viral pathology and human diseases. This review is focused on molecular mechanisms for such intensive participation of UBE3A in disease formation and virus regulation.
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Affiliation(s)
- Pankaj Chaudhary
- Department of Microbiology, Immunology and Genetics, School of Biomedical Sciences, University of North Texas Health Science Center, Fort Worth, TX 76107, United States.
| | - Jessica Proulx
- Department of Microbiology, Immunology and Genetics, School of Biomedical Sciences, University of North Texas Health Science Center, Fort Worth, TX 76107, United States
| | - In-Woo Park
- Department of Microbiology, Immunology and Genetics, School of Biomedical Sciences, University of North Texas Health Science Center, Fort Worth, TX 76107, United States.
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12
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Hidayatullah A, Putra WE, Sustiprijatno S, Rifa'i M, Widiastuti D, Heikal MF, Permatasari GW. Concatenation of molecular docking and dynamics simulation of human papillomavirus type 16 E7 oncoprotein targeted ligands: In quest of cervical cancer's treatment. AN ACAD BRAS CIENC 2023; 95:e20220633. [PMID: 37466536 DOI: 10.1590/0001-3765202320220633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/23/2022] [Indexed: 07/20/2023] Open
Abstract
The Human papillomaviruses type 16 E7 oncoprotein is a 98-amino-acid, 11-kilodalton acidic oncoprotein with three conserved portions. Due to its interaction with the pRb-E2F complex, CKII, CKI (mostly p21), and even HDAC1, it possesses strong transformative and carcinogenic qualities that inhibit normal differentiation and cell cycle regulation. Here, we target the E7 oncoprotein using two prior research active compounds: asarinin and thiazolo[3,2-a]benzimidazole-3(2H)-one,2-(2-fluorobenzylideno)-7,8-dimethyl (thiazolo), and valproic acid as a control. We are performing molecular docking followed by molecular dynamic analysis. By acting as competitive inhibitors in the binding site, it was hypothesized that both drugs would inhibit E7-mediated pRb degradation and E7-mediated p21 degradation, resulting in decreased cell cycle progression, immortalization, and proliferation. In addition, we expect that the direct inhibitory action of valproic acid in E7 will target the CKII-mediated phosphorylation pathway necessary for destabilizing p130 and pRb. According to the results of the dynamic simulation, stable interactions exist between every compound. Despite the instability of E7 protein, stability results indicate that both natural chemicals are preferable, with thiazolo outperforming valproic acid.
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Affiliation(s)
- Arief Hidayatullah
- United Nations Development Programme Indonesia, Health Governance Initiative, Eijkman-RSCM Building, Jakarta, 10430, Indonesia
| | - Wira E Putra
- Universitas Negeri Malang, Biotechnology Study Program, Department of Applied Sciences, Faculty of Mathematics and Natural Sciences, East Java 65145, Indonesia
| | - Sustiprijatno Sustiprijatno
- National Research and Innovation Agency, Research Center for Plant Conservation, Botanic Gardens and Forestry, Cibinong-Bogor, West Java 45262, Indonesia
| | - Muhaimin Rifa'i
- Brawijaya University, Department of Biology, Faculty of Mathematics and Natural Sciences, East Java, 65145, Indonesia
| | - Diana Widiastuti
- Universitas Pakuan, Department of Chemistry, Faculty of Mathematics and Natural Science, West Java, 45262, Indonesia
| | - Muhammad F Heikal
- Khon Kaen University, Tropical Medicine International Program, Faculty of Medicine, Khon Kaen 40000, Thailand
| | - Galuh W Permatasari
- Indonesian Research Institute for Biotechnology and Bioindustry, Bogor, West Java, 45262, Indonesia
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13
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Periyasamy G, Thangavelu S, Muthupandian S. Single-Step Synthesis of Ag Hexagonal Nanoplate-Decorated Reduced Graphene Oxide and Its Cytotoxicity Studies. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:4466394. [PMID: 37425092 PMCID: PMC10329559 DOI: 10.1155/2023/4466394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 10/05/2022] [Indexed: 07/11/2023]
Abstract
Graphene-based Ag nanocomposites are of specific interest because of their unique properties and applications, especially in the field of cytotoxicity. However, developing a simple method to synthesize reduced graphene oxide (rGO)/silver hexagonal nanoplate (Ag HNPT) (rGO-Ag HNPT) nanocomposites with well-defined morphology has been believed to be a major challenge. In this work, a facile, robust, and single-step synthesis method was developed to prepare silver-graphene (rGO-Ag HNPT) nanocomposites with hexagonal-structured silver nanoplates without any templates. The primary characterizations of the synthesized nanocomposite were done using a UV-visible spectrophotometer, X-ray diffraction (XRD), and Raman spectroscopy. The formation of uniformed hexagonal-shaped Ag nanoplates was confirmed by high-resolution transmission electron microscopy (HR-TEM), and the elemental composition was confirmed using energy dispersive X-ray analysis (EDX). With SiHa cervical cancer cells, the short-term in vitro cytotoxicity of the as-synthesized rGO-Ag HNPTs was evaluated by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The anticancer response of the rGO-Ag HNPTs was investigated using an MTT assay.
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Affiliation(s)
- Gnanaprakasam Periyasamy
- Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 60007, India
| | | | - Saravanan Muthupandian
- Department of Pharmacology, AMR and Nanomedicine Laboratory, Center for Transdisciplinary Research, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 60007, India
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14
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Shrivastava N, Chavez CG, Li D, Mehta V, Thomas C, Fulcher CD, Kawachi N, Bottalico DM, Prystowsky MB, Basu I, Guha C, Ow TJ. CDK4/6 Inhibition Induces Senescence and Enhances Radiation Response by Disabling DNA Damage Repair in Oral Cavity Squamous Cell Carcinoma. Cancers (Basel) 2023; 15:cancers15072005. [PMID: 37046664 PMCID: PMC10093103 DOI: 10.3390/cancers15072005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023] Open
Abstract
Purpose: HPV(−) OCSCC resists radiation treatment. The CDKN2A gene, encoding p16INK4A, is commonly disrupted in OCSCC. p16 inhibits CDK4/CDK6, leading to cell cycle arrest, but the biological sequelae of CDK4/6 inhibition in OCSCC remains understudied. This study examines whether inhibition of CDK4/6 enhances radiation response in OCSCC. Methods: MTT assays were performed in OCSCC cell lines HN5 and CAL27following treatment with palbociclib. Clonogenic survival and synergy were analyzed after radiation (RT-2 or 4Gy), palbociclib (P) (0.5 µM or 1 µM), or concurrent combination treatment (P+RT). DNA damage/repair and senescence were examined. CDK4/6 were targeted via siRNA to corroborate P+RT effects. Three-dimensional immortalized spheroids and organoids derived from patient tumors (conditionally reprogrammed OCSCC CR-06 and CR-18) were established to further examine and validate responses to P+RT. Results: P+RT demonstrated reduced viability and synergy, increased β-gal expression (~95%), and ~two-fold higher γH2AX. Rad51 and Ku80 were reduced after P+RT, indicating impairment of both HR and NHEJ. siCDK4/6 increased senescence with radiation. Spheroids showed reduced proliferation and size with P+RT. CR-06 and CR-18 further demonstrated three-fold reduced proliferation and organoids size with P+RT. Conclusion: Targeting CDK4/6 can lead to improved efficacy when combined with radiation in OCSCC by inducing senescence and inhibiting DNA damage repair.
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Affiliation(s)
- Nitisha Shrivastava
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
- Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Claudia Gutierrez Chavez
- Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
| | - Daniel Li
- Yale School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Vikas Mehta
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
| | - Carlos Thomas
- Department of Thoracic Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Cory D. Fulcher
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
- Department of Otolaryngology-Head and Neck Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Nicole Kawachi
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
| | | | - Michael B. Prystowsky
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
- Department of Otolaryngology-Head and Neck Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Indranil Basu
- Office of Grant Support, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Chandan Guha
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
- Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA;
- Urology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Institute for Onco-Physics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Thomas J. Ow
- Department of Pathology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (N.S.)
- Department of Otolaryngology-Head and Neck Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Correspondence: ; Tel.: +1-(718)-920-8488
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15
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TRAVERSI DEBORAH, CALABRÒ GIOVANNAELISA, FRANCESE CORINNE, FRANCHITTI ELENA, PULLIERO ALESSANDRA, SPATERA PAOLA, IZZOTTI ALBERTO, VENTURA CARLADELLA, LAI ALESSIA, BERGNA ANNALISA, GALLI MASSIMO, ZEHENDER GIANGUGLIELMO, TAMBURRO MANUELA, LOMBARDI ADELE, SALZO ANGELO, DE DONA ROBERTA, D’AMICO ANTONIO, VICCIONE VITTORIO, RIPABELLI GIANCARLO, BACCOLINI VALENTINA, MIGLIARA GIUSEPPE, PITINI ERICA, MARZUILLO CAROLINA, DE VITO CORRADO, PASTORINO ROBERTA, VILLARI PAOLO, BOCCIA STEFANIA. [Genomics in Public Health Scientific evidence and prospects for integration in the prevention practice]. JOURNAL OF PREVENTIVE MEDICINE AND HYGIENE 2023; 63:E1-E29. [PMID: 36818497 PMCID: PMC9910509 DOI: 10.15167/2421-4248/jpmh2022.63.3s2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- DEBORAH TRAVERSI
- Dipartimento di Scienze della Sanità Pubblica e Pediatriche, Università di Torino, Torino, Italia
| | - GIOVANNA ELISA CALABRÒ
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - CORINNE FRANCESE
- Dipartimento di Scienze della Sanità Pubblica e Pediatriche, Università di Torino, Torino, Italia
| | - ELENA FRANCHITTI
- Dipartimento di Scienze della Sanità Pubblica e Pediatriche, Università di Torino, Torino, Italia
| | | | - PAOLA SPATERA
- Dipartimento di Scienze della Salute, Università di Genova, Genova, Italia
| | - ALBERTO IZZOTTI
- Dipartimento di Medicina Sperimentale, Università di Genova, Genova, Italia
- IRCCS Ospedale Policlinico San Martino, Genova, Italia
| | - CARLA DELLA VENTURA
- Dipartimento di Scienze Biomediche e Cliniche, Università di Milano, Milano, Italia
- EpiSoMi CRC-Centro di Ricerca Coordinato, Università degli Studi di Milano, Milano, Italia
| | - ALESSIA LAI
- Dipartimento di Scienze Biomediche e Cliniche, Università di Milano, Milano, Italia
- EpiSoMi CRC-Centro di Ricerca Coordinato, Università degli Studi di Milano, Milano, Italia
| | - ANNALISA BERGNA
- Dipartimento di Scienze Biomediche e Cliniche, Università di Milano, Milano, Italia
- EpiSoMi CRC-Centro di Ricerca Coordinato, Università degli Studi di Milano, Milano, Italia
| | - MASSIMO GALLI
- Dipartimento di Scienze Biomediche e Cliniche, Università di Milano, Milano, Italia
| | - GIANGUGLIELMO ZEHENDER
- Dipartimento di Scienze Biomediche e Cliniche, Università di Milano, Milano, Italia
- EpiSoMi CRC-Centro di Ricerca Coordinato, Università degli Studi di Milano, Milano, Italia
| | - MANUELA TAMBURRO
- Dipartimento di Medicina e di Scienze della Salute “Vincenzo Tiberio”, Università del Molise, Campobasso, Italia
| | - ADELE LOMBARDI
- Dipartimento di Medicina e di Scienze della Salute “Vincenzo Tiberio”, Università del Molise, Campobasso, Italia
| | - ANGELO SALZO
- Azienda Sanitaria Regionale del Molise, Campobasso, Italia
| | - ROBERTA DE DONA
- Scuola di Specializzazione in Igiene e Medicina Preventiva, Università del Molise, Campobasso, Italia
| | - ANTONIO D’AMICO
- Scuola di Specializzazione in Igiene e Medicina Preventiva, Università del Molise, Campobasso, Italia
| | - VITTORIO VICCIONE
- Scuola di Specializzazione in Igiene e Medicina Preventiva, Università del Molise, Campobasso, Italia
| | - GIANCARLO RIPABELLI
- Dipartimento di Medicina e di Scienze della Salute “Vincenzo Tiberio”, Università del Molise, Campobasso, Italia
- Azienda Sanitaria Regionale del Molise, Campobasso, Italia
- Scuola di Specializzazione in Igiene e Medicina Preventiva, Università del Molise, Campobasso, Italia
| | - VALENTINA BACCOLINI
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Roma, Italia
| | - GIUSEPPE MIGLIARA
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Roma, Italia
| | | | - CAROLINA MARZUILLO
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Roma, Italia
| | - CORRADO DE VITO
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Roma, Italia
| | - ROBERTA PASTORINO
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
- Dipartimento Scienze della Vita e Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
| | - PAOLO VILLARI
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Roma, Italia
| | - STEFANIA BOCCIA
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
- Dipartimento Scienze della Vita e Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
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Lou M, Huang D, Zhou Z, Shi X, Wu M, Rui Y, Su J, Zheng W, Yu XF. DNA virus oncoprotein HPV18 E7 selectively antagonizes cGAS-STING-triggered innate immune activation. J Med Virol 2023; 95:e28310. [PMID: 36377393 PMCID: PMC10098629 DOI: 10.1002/jmv.28310] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022]
Abstract
Cellular infections by DNA viruses trigger innate immune responses mediated by DNA sensors. The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon gene (STING) signaling pathway has been identified as a DNA-sensing pathway that activates interferons in response to viral infection and, thus, mediates host defense against viruses. Previous studies have identified oncogenes E7 and E1A of the DNA tumor viruses, human papillomavirus 18 (HPV18) and adenovirus, respectively, as inhibitors of the cGAS-STING pathway. However, the function of STING in infected cells and the mechanism by which HPV18 E7 antagonizes STING-induced Interferon beta production remain unknown. We report that HPV18 E7 selectively antagonizes STING-triggered nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activation but not IRF3 activation. HPV18 E7 binds to STING in a region critical for NF-κB activation and blocks the nuclear accumulation of p65. Moreover, E7 inhibition of STING-triggered NF-κB activation is related to HPV pathogenicity but not E7-Rb binding. HPV18 E7, severe acute respiratory syndrome coronavirus-2 open reading frame 3a, human immunodeficiency virus-2 viral protein X, and Kaposi's sarcoma-associated herpesvirus KSHV viral interferon regulatory factor 1 selectively inhibited STING-triggered NF-κB or IRF3 activation, suggesting a convergent evolution among these viruses toward antagonizing host innate immunity. Collectively, selective suppression of the cGAS-STING pathway by viral proteins is likely to be a key pathogenic determinant, making it a promising target for treating oncogenic virus-induced tumor diseases.
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Affiliation(s)
- Meng Lou
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Dingbo Huang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Zhenbang Zhou
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Xinyu Shi
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Miaowei Wu
- Department of Ultrasound Medicine, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yajuan Rui
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Jiaming Su
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Wenwen Zheng
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China
| | - Xiao-Fang Yu
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, Zhejiang, China
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17
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Hu H, Ling Y, Wang X, Wang H, Zhu N, Li Y, Xu H. Viral Metagenomics Reveals a Putative Novel HPV Type in Anogenital Wart Tissues. Pathogens 2022; 11:pathogens11121452. [PMID: 36558785 PMCID: PMC9781650 DOI: 10.3390/pathogens11121452] [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: 10/28/2022] [Revised: 11/27/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
Viral metagenomics is widely employed to identify novel viruses in biological samples. Recently, although numerous novel human papillomavirus (HPV) types have been identified in clinical samples including anogenital warts (AGWs), many novel HPV sequences remain to be discovered. In this study, a putative novel HPV type designated as HPV-JDFY01 was discovered from library GW05 with 63 sequence reads by the viral metagenomic technique. Its complete genomic sequence was determined by PCR to bridge the gaps between contigs combining Sanger sequencing. The complete genome of HPV-JDFY01 is a 7186 bp encoding 7 open reading frames (ORFs) (E6, E7, E1, E2, E4, L2 and L1) and contains a 487 bp long control region (LCR) between L1 and E6. Sequence and phylogeny analysis indicated that HPV-JDFY01 shared the highest sequence identity of 74.2% with HPV-mSK_244 (MH777383) and well clustered into the genus Gammapapillomavirus. It has the classical genomic organization of Gammapapillomaviruses. Epidemiological investigation showed that one out of the 413 AGW tissue samples was positive for HPV-JDFY01. Further research with large size and different type of samples should be performed to elucidate the epidemiologic status of HPV-JDFY01.
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Affiliation(s)
- Huimin Hu
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China
- Department of Dermatology, The Affiliated Huai’an Hospital of Xuzhou Medical University and The Second People’s Hospital of Huai’an, Huaian 223002, China
| | - Yu Ling
- Department of Clinical Laboratory, Women’s Hospital of Nanjing Medical University, Nanjing 210004, China
| | - Xuan Wang
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China
| | - Hao Wang
- Department of Dermatology, The Affiliated Huai’an Hospital of Xuzhou Medical University and The Second People’s Hospital of Huai’an, Huaian 223002, China
| | - Niannan Zhu
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China
| | - Yumei Li
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China
| | - Hui Xu
- Department of Dermatology, Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China
- Correspondence: ; Tel.: +86-051185026785
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18
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Jaiswal N, Nandi D, Cheema PS, Nag A. The anaphase-promoting complex/cyclosome co-activator, Cdh1, is a novel target of human papillomavirus 16 E7 oncoprotein in cervical oncogenesis. Carcinogenesis 2022; 43:988-1001. [PMID: 35738876 DOI: 10.1093/carcin/bgac057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 06/01/2022] [Accepted: 06/23/2022] [Indexed: 01/13/2023] Open
Abstract
The transforming properties of the high-risk human papillomavirus (HPV) E7 oncoprotein are indispensable for driving the virus life cycle and pathogenesis. Besides inactivation of the retinoblastoma family of tumor suppressors as part of its oncogenic endeavors, E7-mediated perturbations of eminent cell cycle regulators, checkpoint proteins and proto-oncogenes are considered to be the tricks of its transformative traits. However, many such critical interactions are still unknown. In the present study, we have identified the anaphase-promoting complex/cyclosome (APC) co-activator, Cdh1, as a novel interacting partner and a degradation target of E7. We found that HPV16 E7-induced inactivation of Cdh1 promoted abnormal accumulation of multiple Cdh1 substrates. Such a mode of deregulation possibly contributes to HPV-mediated cervical oncogenesis. Our mapping studies recognized the C-terminal zinc-finger motif of E7 to associate with Cdh1 and interfere with the timely degradation of FoxM1, a bona fide Cdh1 substrate and a potent oncogene. Importantly, the E7 mutant with impaired interaction with Cdh1 exhibited defects in its ability for overriding typical cell cycle transition and oncogenic transformation, thereby validating the functional and pathological significance of the E7-Cdh1 axis during cervical carcinoma progression. Altogether, the findings from our study discover a unique nexus between E7 and APC/C-Cdh1, thereby adding to our understanding of the mechanism of E7-induced carcinogenesis and provide a promising target for the management of cervical carcinoma.
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Affiliation(s)
- Neha Jaiswal
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Marg, New Delhi, India
| | - Deeptashree Nandi
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Marg, New Delhi, India
| | - Pradeep Singh Cheema
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Marg, New Delhi, India
| | - Alo Nag
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Marg, New Delhi, India
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Narasimhamurthy M, Kafle SU. Cervical cancer in Nepal: Current screening strategies and challenges. Front Public Health 2022; 10:980899. [PMID: 36466479 PMCID: PMC9713638 DOI: 10.3389/fpubh.2022.980899] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/24/2022] [Indexed: 11/18/2022] Open
Abstract
Nepal has a high burden of cervical cancer primarily due to a limited screening program. Most present with advanced cervical disease. Despite no national cervical cancer control program, Nepal's Ministry of Health and Population has taken many initiatives with various international collaborations in screening, vaccination, and treating pre-invasive and invasive cancer. However, the existing prevention and treatment modalities are dismally inadequate to meet the targets of WHO's cervical cancer eliminative initiative by 2030. We provide an overview of the Ministry of Health and Population, Nepal's efforts to tackle the growing cervical cancer burden in the country. We discuss the challenges and potential solutions that could be practical and augment screening uptakes, such as single-dose vaccination and HPV DNA tests. The screen-and-treat approach on the same day could potentially address treatment delays and follow-up loss after testing positive. Our narrative summary highlights existing and innovative strategies, unmet needs, and collaborations required to achieve elimination across implementation contexts.
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Affiliation(s)
- Mohan Narasimhamurthy
- Department of Pathology and Laboratory Medicine, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, PA, United States,*Correspondence: Mohan Narasimhamurthy
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Repression of Memo1, a Novel Target of Human Papillomavirus Type 16 E7, Increases Cell Proliferation in Cervical Cancer Cells. J Virol 2022; 96:e0122922. [PMID: 36197110 PMCID: PMC9599245 DOI: 10.1128/jvi.01229-22] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Human papillomavirus (HPV)-induced carcinogenesis is associated with unregulated expression of the oncoproteins E6 and E7. HPV E7 is a viral protein that lacks enzymatic activity; however, it can target several cellular proteins to induce cell transformation and promote uncontrolled proliferation. Although several E7 targets have been described, there are still gaps in the understanding of how this oncoprotein drives cells toward malignancy. Here, using a small HPV type 16 (HPV16) E7 peptide in a proteomic approach, we report Memo1 as a new E7 binding partner, interacting through the aspartic and glutamic acid residues (E80 and D81) in the C-terminal region of HPV16 E7. Furthermore, we demonstrate that HPV16 E7 targets Memo1 for proteasomal degradation through a Cullin2-dependent mechanism. In addition, we show that overexpression of Memo1 decreases cell transformation and proliferation and that reduction of Memo1 levels correlate with activation of Akt and an increase in invasion of HPV-positive cervical cancer cell lines. Our results show a novel HPV E7 interacting partner and describe novel functions of Memo1 in the context of HPV-induced malignancy. IMPORTANCE Although numerous targets have been reported to interact with the HPV E7 oncoprotein, the mechanisms involved in HPV-induced carcinogenesis and the maintenance of cell transformation are still lacking. Here, through pulldown assays using a peptide encompassing the C-terminal region of HPV16 E7, we report Memo1 as a novel E7 interactor. High levels of Memo1 correlated with reduced cell proliferation and, concordantly, knockdown of Memo1 resulted in Akt activation in HPV-positive cell lines. These results highlight new mechanisms used by HPV oncoproteins to modulate proliferation pathways in cervical cancer cells and increase our understanding of the link between Memo1 protein and cancer.
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21
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Balaji D, Kalarani IB, Mohammed V, Veerabathiran R. Potential role of human papillomavirus proteins associated with the development of cancer. Virusdisease 2022; 33:322-333. [PMID: 36277412 PMCID: PMC9481806 DOI: 10.1007/s13337-022-00786-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 08/08/2022] [Indexed: 10/15/2022] Open
Abstract
Papillomaviruses are viruses with double-stranded DNA that are epitheliotropic and non-enveloped that infects cutaneous epithelial and mucosal cells in a species-specific way in several higher vertebrate species and cause cellular growth."There are around 100 different human papillomaviruses (HPVs)", as "more than 150 HPV types have been isolated and fully sequenced". We classify the probability of cancer development following viral infection with each HPV genotype into two types: "low-risk" and "high-risk." As a result, HPV diagnosis is a critical component of HPV genotype identification and characterization. Based on its activities, we may classify the HPV genome into three regions: the long control region (LCR) or the non-coding upstream regulatory region (URR), the late (L) region, and the early (E) region. Functional proteins are mostly static things that are not inflexible; they have undergone both local and global movements at various times and time ranges. The structural differences between HPV16 and 18 discovered by molecular modeling of the E6 oncoprotein were associated with their carcinogenic characteristics. Similarly, the E6 protein has two sets of C-X-X-C motifs that play significant roles in transformation, transcriptional activation, interactions, and immortalization with other proteins of cells in the host environment. Here, we review the literature regarding the protein mechanisms associated with HPV and how they cause cancer. Unless otherwise noted, it described all protein activities in terms of HPV proteins. The term "papillomaviruses" refers to groups of papillomavirus proteins that have a characteristic in common. HPV proteins can study the genetic influences on pathogenicity and the therapeutic applications of genomics. The future study provides a potential advancement in HPV infections and malignant illnesses to improve preventive and treatment strategies. Patients have been able to conquer this condition using a range of therapies and vaccines that were projected to be effective and robust enough to put an end to the ailment completely. In cancer prevention strategies, HPV vaccination is one of the most effective. It is safe, efficient, and long-lasting.
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Affiliation(s)
- Dhanvee Balaji
- Human Cytogenetics and Genomics Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamilnadu 603103 India
| | - Iyshwarya Bhaskar Kalarani
- Human Cytogenetics and Genomics Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamilnadu 603103 India
| | - Vajagathali Mohammed
- Human Cytogenetics and Genomics Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamilnadu 603103 India
| | - Ramakrishnan Veerabathiran
- Human Cytogenetics and Genomics Laboratory, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamilnadu 603103 India
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22
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Weiand M, Ballmaier P, Niemietz C, Schmidt H, Zibert A. Combined transgene immortalized urothelial cells capable of reprogramming and hepatic differentiation. Biochem Biophys Rep 2022; 31:101308. [PMID: 35865272 PMCID: PMC9294256 DOI: 10.1016/j.bbrep.2022.101308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/21/2022] [Accepted: 07/01/2022] [Indexed: 11/25/2022] Open
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Lintao RCV, Cando LFT, Perias GAS, Tantengco OAG, Tabios IKB, Velayo CL, de Paz-Silava SLM. Current Status of Human Papillomavirus Infection and Cervical Cancer in the Philippines. Front Med (Lausanne) 2022; 9:929062. [PMID: 35795639 PMCID: PMC9251542 DOI: 10.3389/fmed.2022.929062] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Cervical cancer is estimated to cause 341,831 deaths each year, with 9 of 10 deaths occurring in developing countries. Over the past decade, there has been a significant increase in cervical cancer incidence among women in the Philippines. Persistent infection with high-risk human papillomavirus (HPV) is the well-established necessary cause of cervical cancer. Based on limited studies conducted in the Philippines, the prevalence of infection with any HPV genotype was 93.8% for cervical squamous cell carcinoma and 90.9% for cervical adenocarcinomas. HPV types 16 and 18 were the most common HPV genotypes among Filipino patients with cervical cancer. On the other hand, the incidence of HPV infection among Filipino women with normal cervices was 9.2%. The World Health Organization has launched a global agenda of eliminating HPV infection by 2030. One of its key milestones is to vaccinate 90% of girls with the HPV vaccine by 15 years. However, the HPV vaccination rate among Filipino women remains to be unsatisfactory. HPV vaccination has only been included in the Philippine Department of Health's community-based National Immunization Program in 2015. Despite these efforts, the Philippines currently ranks last on HPV program coverage among low-middle income countries, with coverage of only 23% of the target female population for the first dose and 5% for the final dose. The principal reason for the non-acceptance of HPV vaccines was the perceived high cost of vaccination. The low utilization of available cervical cancer screening tests such as Pap smear and visual inspection with acetic acid hampered the Philippines' control and prevention of HPV infection and cervical cancer. Among those diagnosed with cervical cancer in the Philippines, only an estimated 50% to 60% receive some form of treatment. To this end, we summarize the burden of HPV infection and cervical cancer on Filipinos and the risk factors associated with the disease. We present the current screening, diagnostics, treatment, and prevention of HPV-related diseases in the Philippines. Lastly, we also propose solutions on how each building block in health systems can be improved to eliminate HPV infection and reduce the burden of cervical cancer in the Philippines.
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Affiliation(s)
- Ryan C. V. Lintao
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Leslie Faye T. Cando
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Glenmarie Angelica S. Perias
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Ourlad Alzeus G. Tantengco
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Ian Kim B. Tabios
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
- Institute of Biology, College of Science, University of the Philippines Diliman, Quezon City, Philippines
- Institute of Human Genetics, National Institutes of Health, University of the Philippines Manila, Manila, Philippines
| | - Clarissa L. Velayo
- Department of Physiology, College of Medicine, University of the Philippines Manila, Manila, Philippines
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, College of Medicine and Philippine General Hospital, University of the Philippines Manila, Manila, Philippines
| | - Sheriah Laine M. de Paz-Silava
- Multi-Omics Research Program for Health, College of Medicine, University of the Philippines Manila, Manila, Philippines
- Department of Medical Microbiology, College of Public Health, University of the Philippines Manila, Manila, Philippines
- *Correspondence: Sheriah Laine M. de Paz-Silava
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Chen X, Li M, Tang Y, Liang Q, Hua C, He H, Song Y, Cheng H. Gene Expression Profile Analysis of Human Epidermal Keratinocytes Expressing Human Papillomavirus Type 8 E7. Pathol Oncol Res 2022; 28:1610176. [PMID: 35665406 PMCID: PMC9156622 DOI: 10.3389/pore.2022.1610176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 04/21/2022] [Indexed: 11/13/2022]
Abstract
Background: Human papillomavirus type 8 (HPV8) has been implicated in the progress of non-melanoma skin cancers and their precursor lesions. The HPV8 E7 oncoprotein plays a key role in the tumorigenesis of HPV-associated cutaneous tumors. However, the exact role of HPV8 E7 in human epidermal carcinogenesis has not been fully elucidated. Methods: To investigate the potential carcinogenic effects of HPV8 E7 on epithelial cells, we used RNA-sequencing technology to analyze the gene expression profile of HPV8 E7-overexpressed normal human epidermal keratinocytes (NHEKs). Results: RNA-sequencing revealed 831 differentially expressed genes (DEGs) between HPV8 E7-expressing NHEKs and control cells, among which, 631 genes were significantly upregulated, and 200 were downregulated. Gene ontology annotation enrichment analysis showed that HPV8 E7 mainly affected the expression of genes associated with protein heterodimerization activity, DNA binding, nucleosomes, and nucleosome assembly. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis revealed that overexpression of HPV8 E7 affected the expression of gene clusters associated with viral carcinogenesis and transcriptional misregulation in cancer and necroptosis signaling pathways that reportedly play crucial roles in HPV infection promotion and cancer progression. We also found the DEGs, such as HKDC1 and TNFAIP3, were associated with epigenetic modifications, immune regulation, and metabolic pathways. Conclusion: Our results demonstrate that the pro-carcinogenic effect of HPV8 expression in epithelial cells may be attributed to the regulatory effect of oncogene E7 on gene expression associated with epigenetic modifications and immune and metabolic status-associated gene expression. Although our data are based on an in vitro experiment, it provides the theoretical evidence that the development of squamous cell carcinoma can be caused by HPV.
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Affiliation(s)
- Xianzhen Chen
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Ma Li
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Yi Tang
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China.,Department of Dermatology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Qichang Liang
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Chunting Hua
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Huiqin He
- Department of Gastroenterology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Yinjing Song
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
| | - Hao Cheng
- Department of Dermatology and Venereology, Zhejiang University School of Medicine Sir Run Run Shaw Hospital, Hangzhou, China
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25
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Ojha PS, Maste MM, Tubachi S, Patil VS. Human papillomavirus and cervical cancer: an insight highlighting pathogenesis and targeting strategies. Virusdisease 2022; 33:132-154. [DOI: 10.1007/s13337-022-00768-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 05/07/2022] [Indexed: 11/29/2022] Open
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26
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Baj J, Forma A, Dudek I, Chilimoniuk Z, Dobosz M, Dobrzyński M, Teresiński G, Buszewicz G, Flieger J, Portincasa P. The Involvement of Human Papilloma Virus in Gastrointestinal Cancers. Cancers (Basel) 2022; 14:2607. [PMID: 35681587 PMCID: PMC9179480 DOI: 10.3390/cancers14112607] [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: 04/18/2022] [Revised: 05/21/2022] [Accepted: 05/22/2022] [Indexed: 01/27/2023] Open
Abstract
Human Papilloma Virus (HPV) is one of the most common sexually transmitted infections worldwide. HPV infection has a strong relationship with the onset of cervix uteri, vagina, penis, anus, and oropharynx, but also tonsils and tongue cancers. Some epidemiological data indicate that except for gynecologic cancers, HPV infection can be one of the risk factors associated with a greater risk of induction and progression of gastrointestinal cancers. Data, however, remain contradictory and definite conclusions cannot be drawn, so far. The following review aims to organize recent evidence and summarize the current state of knowledge regarding the association between HPV infection and gastrointestinal tumors primarily focusing on esophageal, liver, gastric, colorectal, and anal cancers.
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Affiliation(s)
- Jacek Baj
- Department of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland
| | - Alicja Forma
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Iga Dudek
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Zuzanna Chilimoniuk
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Maciej Dobosz
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Michał Dobrzyński
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Grzegorz Teresiński
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Grzegorz Buszewicz
- Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (I.D.); (Z.C.); (M.D.); (M.D.); (G.T.); (G.B.)
| | - Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland;
| | - Piero Portincasa
- Clinica Medica “A. Murri”, Department of Biomedical Sciences & Human Oncology, University of Bari Medical School, 70124 Bari, Italy;
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Makgoo L, Mosebi S, Mbita Z. Molecular Mechanisms of HIV Protease Inhibitors Against HPV-Associated Cervical Cancer: Restoration of TP53 Tumour Suppressor Activities. Front Mol Biosci 2022; 9:875208. [PMID: 35620479 PMCID: PMC9127998 DOI: 10.3389/fmolb.2022.875208] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/12/2022] [Indexed: 12/24/2022] Open
Abstract
Cervical cancer is a Human Papilloma virus-related disease, which is on the rise in a number of countries, globally. Two essential oncogenes, E6 and E7, drive cell transformation and cancer development. These two oncoproteins target two of the most important tumour suppressors, p53 and pRB, for degradation through the ubiquitin ligase pathway, thus, blocking apoptosis activation and deregulation of cell cycle. This pathway can be exploited for anticancer therapeutic interventions, and Human Immunodeficiency Virus Protease Inhibitors (HIV-PIs) have attracted a lot of attention for this anticancer drug development. HIV-PIs have proven effective in treating HPV-positive cervical cancers and shown to restore impaired or deregulated p53 in HPV-associated cervical cancers by inhibiting the 26S proteasome. This review will evaluate the role players, such as HPV oncoproteins involved cervical cancer development and how they are targeted in HIV protease inhibitors-induced p53 restoration in cervical cancer. This review also covers the therapeutic potential of HIV protease inhibitors and molecular mechanisms behind the HIV protease inhibitors-induced p53-dependent anticancer activities against cervical cancer.
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Affiliation(s)
- Lilian Makgoo
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Sovenga, South Africa
| | - Salerwe Mosebi
- Department of Life and Consumer Sciences, University of South Africa, Florida, South Africa
| | - Zukile Mbita
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Sovenga, South Africa
- *Correspondence: Zukile Mbita,
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28
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Indole-3-Carbinol, a Phytochemical Aryl Hydrocarbon Receptor-Ligand, Induces the mRNA Overexpression of UBE2L3 and Cell Proliferation Arrest. Curr Issues Mol Biol 2022; 44:2054-2068. [PMID: 35678668 PMCID: PMC9164055 DOI: 10.3390/cimb44050139] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/28/2022] [Accepted: 05/05/2022] [Indexed: 11/17/2022] Open
Abstract
Cervical cancer (CC) is one of the most common cancers in women, and is linked to human papillomavirus (HPV) infection. The virus oncoprotein E6 binds to p53, resulting in its degradation and allowing uncontrolled cell proliferation. Meanwhile, the HPV E7 protein maintains host cell differentiation by targeting retinoblastoma tumor suppressor. The host cell can ubiquitinate E6 and E7 through UBE2L3, whose expression depends on the interaction between the aryl hydrocarbon receptor (AhR) with Xenobiotic Responsive Elements (XREs) located in the UBE2L3 gene promoter. In this study, we used cell culture to determine the effect of indole-3-carbinol (I3C) over cellular viability, apoptosis, cell proliferation, and mRNA levels of UBE2L3 and CYP1A1. In addition, patients’ samples were used to determine the mRNA levels of UBE2L3 and CYP1A1 genes. We found that I3C promotes the activation of AhR and decreases cell proliferation, possibly through UBE2L3 mRNA induction, which would result in the ubiquitination of HPV E7. Since there is a strong requirement for selective and cost-effective cancer treatments, natural AhR ligands such as I3C could represent a novel strategy for cancer treatment.
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29
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Idres YM, McMillan NAJ, Idris A. Hyperactivating p53 in Human Papillomavirus-Driven Cancers: A Potential Therapeutic Intervention. Mol Diagn Ther 2022; 26:301-308. [PMID: 35380358 PMCID: PMC9098605 DOI: 10.1007/s40291-022-00583-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2022] [Indexed: 12/26/2022]
Abstract
Despite a vaccine being available, human papillomavirus virus (HPV)-driven cancers remain the ninth most prevalent cancers globally. Current therapies have significant drawbacks and often still lead to poor prognosis and underwhelming survival rates. With gene therapy becoming more available in the clinic, it poses a new front for therapeutic development. A characteristic of HPV-driven cancers is the ability to encode oncoproteins that aberrate normal p53 function without mutating this tumour-suppressor gene. The HPV E6 oncoprotein degrades p53 to allow the HPV-driven carcinogenic process to proceed. This review aimed to investigate the use of Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) gene-editing technology and how it may be used to overcome HPV-mediated silencing of p53 by hyper-expressing the p53 promoter. Increasing p53 bioavailability may have promising potential as a therapy and has been a goal in the context of HPV-driven cancers. Clinical trials and proof-of-concept pre-clinical work have shown positive outcomes and tumour death when p53 levels are increased. Despite previous successes of RNA-based medicines, including the knockout of HPV oncogenes, the use of CRISPR activation is yet to be investigated as a promising potential therapy. This short review summarises key developments on attempts that have been made to increase p53 expression in the context of HPV cancer therapy, but leaves open the possibility for other cancers bearing a p53 wild-type gene.
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Affiliation(s)
- Yusuf M Idres
- Menzies Health Institute Queensland and School of Pharmacy and Medical Sciences, Griffith University, Gold Coast Campus, Building G05, Room 3.37a, Gold Coast, QLD, 4222, Australia
| | - Nigel A J McMillan
- Menzies Health Institute Queensland and School of Pharmacy and Medical Sciences, Griffith University, Gold Coast Campus, Building G05, Room 3.37a, Gold Coast, QLD, 4222, Australia
| | - Adi Idris
- Menzies Health Institute Queensland and School of Pharmacy and Medical Sciences, Griffith University, Gold Coast Campus, Building G05, Room 3.37a, Gold Coast, QLD, 4222, Australia.
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30
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A-to-I RNA editing of BLCAP promotes cell proliferation by losing the inhibitory of Rb1 in colorectal cancer. Exp Cell Res 2022; 417:113209. [DOI: 10.1016/j.yexcr.2022.113209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/03/2022] [Accepted: 05/14/2022] [Indexed: 11/23/2022]
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31
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Zhou F, Chen H, Li M, Strickland AL, Zheng W, Zhang X. The Prognostic Values of HPV Genotypes and Tumor PD-L1 Expression in Patients With HPV-associated Endocervical Adenocarcinoma. Am J Surg Pathol 2022; 46:300-308. [PMID: 35175967 PMCID: PMC8860210 DOI: 10.1097/pas.0000000000001800] [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] [Indexed: 11/23/2022]
Abstract
Despite the well-established pathogenic effect of high-risk human papillomavirus (hrHPV) genotypes on endocervical adenocarcinomas (ECAs), the prognostic values of hrHPV genotypes and their association with other prognostic variables have not been established. We categorized 120 usual-type human papillomavirus-associated (HPVA) ECA cases into 3 species groups (HPV16+, HPV18/45+, and other genotypes+) based on the hrHPV status. The clinical-stage, invasion patterns (Silva), and programmed death ligand-1 (PD-L1) expression were compared among genotype groups. In addition, log-rank test and Kaplan-Meier survival curves were used to compare progression-free survival (PFS) among different patient groups. A total of 120 ECA cases with positive hrHPV tests were included in this study. Among them, 51 (42.5%) were positive for HPV16, 50 (41.7%) were positive for HPV18 or 18/45, 9 (7.5%) were positive for other hrHPV genotypes (not including HPV16/18/45). Our data showed patients had no significant difference in clinical stages (P=0.51), invasion patterns (P=0.55), and PFS (P=0.59) across genotype groups. Overall, a relatively high prevalence of PD-L1 expression was observed in HPVA ECAs (25% by tumor proportion score [TPS] and 55% by a combined positive score [CPS]). Using TPS, 19.6% (10/51) HPV16+ cases, 32.0% (16/50) cases of HPV18 or 18/45+ cases, and 22.2% (2/9) cases of other genotypes+ cases demonstrated PD-L1 positivity. No significant difference in PD-L1 expression was seen across genotype groups (P=0.35). PD-L1 expression in tumors with patterns B and C was significantly higher than in those with pattern A (P=0.00002). Patients with PD-L1-positive tumors by either CPS or TPS showed significantly poorer PFS than those with PD-L1-negative tumors (CPS, P=0.025; TPS, P=0.001). Our data support that HPV genotypes have no prognostic value in HPVA ECAs, while PD-L1 expression serves as a negative prognostic marker in HPVA ECAs and implies an unfavorable outcome.
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Affiliation(s)
- Feng Zhou
- Department of Pathology, Zhejiang University School of Medicine Women’s Hospital, Hangzhou
| | - Hao Chen
- Department of Pathology, University of Texas Southwestern Medical Center
- Department of Pathology, Parkland Hospital, Dallas, TX
| | - Meiping Li
- Department of Pathology, Shaoxing Maternity and Child Health Care Hospital, Shaoxing, Zhejiang Province, China
| | - Amanda L. Strickland
- Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, IL
| | - Wenxin Zheng
- Department of Pathology, University of Texas Southwestern Medical Center
- Department of Pathology, Parkland Hospital, Dallas, TX
| | - Xiaofei Zhang
- Department of Pathology, Zhejiang University School of Medicine Women’s Hospital, Hangzhou
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Risør MW, Jansma AL, Medici N, Thomas B, Dyson HJ, Wright PE. Characterization of the High-Affinity Fuzzy Complex between the Disordered Domain of the E7 Oncoprotein from High-Risk HPV and the TAZ2 Domain of CBP. Biochemistry 2021; 60:3887-3898. [PMID: 34905914 PMCID: PMC8865373 DOI: 10.1021/acs.biochem.1c00669] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The intrinsically disordered N-terminal region of the E7 protein from high-risk human papillomavirus (HPV) strains is responsible for oncogenic transformation of host cells through its interaction with a number of cellular factors, including the TAZ2 domain of the transcriptional coactivator CREB-binding protein. Using a variety of spectroscopic and biochemical tools, we find that despite its nanomolar affinity, the HPV16 E7 complex with TAZ2 is disordered and highly dynamic. The disordered domain of HPV16 E7 protein does not adopt a single conformation on the surface of TAZ2 but engages promiscuously with its target through multiple interactions involving two conserved motifs, termed CR1 and CR2, that occupy an extensive binding surface on TAZ2. The fuzzy nature of the complex is a reflection of the promiscuous binding repertoire of viral proteins, which must efficiently dysregulate host cell processes by binding to a variety of host factors in the cellular environment.
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Affiliation(s)
- Michael W. Risør
- Department of Integrative Structural and Computational Biology and Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California, 92037, U.S.A.,Joint first author
| | - Ariane L. Jansma
- Department of Chemistry, Point Loma Nazarene University, San Diego, California, 92106, U.S.A.,Joint first author
| | - Natasha Medici
- Department of Chemistry, Point Loma Nazarene University, San Diego, California, 92106, U.S.A
| | - Brittany Thomas
- Department of Chemistry, Point Loma Nazarene University, San Diego, California, 92106, U.S.A
| | - H. Jane Dyson
- Department of Integrative Structural and Computational Biology and Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California, 92037, U.S.A.,Author for correspondence: H. Jane Dyson, Phone: 1-858-784-2223, , Peter E. Wright, Phone: 1-858-784-9721,
| | - Peter E. Wright
- Department of Integrative Structural and Computational Biology and Skaggs Institute of Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California, 92037, U.S.A.,Author for correspondence: H. Jane Dyson, Phone: 1-858-784-2223, , Peter E. Wright, Phone: 1-858-784-9721,
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Immune System Disorders, Cancer and Viral Infections: A New Treatment Opportunity for the Immune Checkpoint Inhibitors. Life (Basel) 2021; 11:life11121400. [PMID: 34947931 PMCID: PMC8709484 DOI: 10.3390/life11121400] [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: 11/24/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 11/26/2022] Open
Abstract
The relationship between viral infections and cancer is well known and has been established for decades. Multiple tumours are generated from alterations secondary to viral infections 2 resulting from a dysregulation of the immune system in many cases. Certain causal relationships, such as that between the Epstein–Barr virus (EBV) in nasopharyngeal cancer or hepatitis C and B viruses in hepatocarcinoma, have been clearly established, and their implications for the prognosis and treatment of solid tumours are currently unknown. Multiple studies have evaluated the role that these infections may have in the treatment of solid tumours using immunotherapy. A possible relationship between viral infections and an increased response to immune checkpoint inhibitors (ICIs) has been established at a theoretical level in solid neoplasms, such as EBV-positive cavum cancer and human papillomavirus (HPV)-positive and oropharyngeal cancer. These could yield a greater response associated with the activation of the immune system secondary to viral infection, the consequence of which is an increase in survival in these patients. That is why the objective of this review is to assess the different studies or clinical trials carried out in patients with solid tumours secondary to viral infections and their relationship to the response to ICIs.
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34
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Virus against virus: strategies for using adenovirus vectors in the treatment of HPV-induced cervical cancer. Acta Pharmacol Sin 2021; 42:1981-1990. [PMID: 33633364 PMCID: PMC8633276 DOI: 10.1038/s41401-021-00616-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 01/17/2021] [Indexed: 01/31/2023] Open
Abstract
Although most human papillomavirus (HPV) infections are harmless, persistent infection with high-risk types of HPV is known to be the leading cause of cervical cancer. Following the infection of the epithelium and integration into the host genome, the oncogenic proteins E6 and E7 disrupt cell cycle control by inducing p53 and retinoblastoma (Rb) degradation. Despite the FDA approval of prophylactic vaccines, there are still issues with cervical cancer treatment; thus, many therapeutic approaches have been developed to date. Due to strong immunogenicity, a high capacity for packaging foreign DNA, safety, and the ability to infect a myriad of cells, adenoviruses have drawn attention of researchers. Adenovirus vectors have been used for different purposes, including as oncolytic agents to kill cancer cells, carrier for RNA interference to block oncoproteins expression, vaccines for eliciting immune responses, especially in cytotoxic T lymphocytes (CTLs), and gene therapy vehicles for restoring p53 and Rb function.
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35
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Tuong ZK, Lukowski SW, Nguyen QH, Chandra J, Zhou C, Gillinder K, Bashaw AA, Ferdinand JR, Stewart BJ, Teoh SM, Hanson SJ, Devitt K, Clatworthy MR, Powell JE, Frazer IH. A model of impaired Langerhans cell maturation associated with HPV induced epithelial hyperplasia. iScience 2021; 24:103326. [PMID: 34805788 PMCID: PMC8586807 DOI: 10.1016/j.isci.2021.103326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 12/24/2022] Open
Abstract
Langerhans cells (LC) are skin-resident antigen-presenting cells that regulate immune responses to epithelial microorganisms. Human papillomavirus (HPV) infection can promote malignant epithelial transformation. As LCs are considered important for controlling HPV infection, we compared the transcriptome of murine LCs from skin transformed by K14E7 oncoprotein and from healthy skin. We identified transcriptome heterogeneity at the single cell level amongst LCs in normal skin, associated with ontogeny, cell cycle, and maturation. We identified a balanced co-existence of immune-stimulatory and immune-inhibitory LC cell states in normal skin that was significantly disturbed in HPV16 E7-transformed skin. Hyperplastic skin was depleted of immune-stimulatory LCs and enriched for LCs with an immune-inhibitory gene signature, and LC-keratinocyte crosstalk was dysregulated. We identified reduced expression of interleukin (IL)-34, a critical molecule for LC homeostasis. Enrichment of an immune-inhibitory LC gene signature and reduced levels of epithelial IL-34 were also found in human HPV-associated cervical epithelial cancers. Single cell atlas of Langerhans cells in cutaneous skin Stimulatory and inhibitory Langerhans cell states are in balance Inhibitory Langerhans cell states dominate HPV-transformed hyperplastic skin Langerhans cell imbalance is associated with disrupted IL-34 signaling
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Affiliation(s)
- Zewen K Tuong
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia.,Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Samuel W Lukowski
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Quan H Nguyen
- Australia Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Janin Chandra
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Chenhao Zhou
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Kevin Gillinder
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Abate A Bashaw
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - John R Ferdinand
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Benjamin J Stewart
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK
| | - Siok Min Teoh
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Sarah J Hanson
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Katharina Devitt
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
| | - Menna R Clatworthy
- Molecular Immunity Unit, University of Cambridge Department of Medicine, MRC-Laboratory of Molecular Biology, Cambridge, UK.,Wellcome Trust Sanger Institute, Hinxton, UK
| | - Joseph E Powell
- Garvan-Weizmann Centre for Cellular Genomics, Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia
| | - Ian H Frazer
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, QLD 4102, Australia
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Alfaro-Mora Y, Domínguez-Gómez G, Cáceres-Gutiérrez RE, Tolentino-García L, Herrera LA, Castro-Hernández C, Bermúdez-Cruz RM, Díaz-Chávez J. MPS1 is involved in the HPV16-E7-mediated centrosomes amplification. Cell Div 2021; 16:6. [PMID: 34736484 PMCID: PMC8567613 DOI: 10.1186/s13008-021-00074-9] [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: 06/17/2020] [Accepted: 10/14/2021] [Indexed: 11/10/2022] Open
Abstract
Background It has been reported that the oncoprotein E7 from human papillomavirus type 16 (HPV16-E7) can induce the excessive synthesis of centrosomes through the increase in the expression of PLK4, which is a transcriptional target of E2F1. On the other hand, it has been reported that increasing MPS1 protein stability can also generate an excessive synthesis of centrosomes. In this work, we analyzed the possible role of MPS1 in the amplification of centrosomes mediated by HPV16-E7. Results Employing qRT-PCR, Western Blot, and Immunofluorescence techniques, we found that E7 induces an increase in the MPS1 transcript and protein levels in the U2OS cell line, as well as protein stabilization. Besides, we observed that inhibiting the expression of MPS1 in E7 protein-expressing cells leads to a significant reduction in the number of centrosomes. Conclusions These results indicate that the presence of the MPS1 protein is necessary for E7 protein to increase the number of centrosomes, and possible implications are discussed. Supplementary Information The online version contains supplementary material available at 10.1186/s13008-021-00074-9.
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Affiliation(s)
- Yair Alfaro-Mora
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados (CINVESTAV-IPN), Mexico City, Mexico.,Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Guadalupe Domínguez-Gómez
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Rodrigo E Cáceres-Gutiérrez
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Laura Tolentino-García
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Luis A Herrera
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico.,Instituto Nacional de Medicina Genómica, Mexico City, Mexico
| | - Clementina Castro-Hernández
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico
| | - Rosa María Bermúdez-Cruz
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados (CINVESTAV-IPN), Mexico City, Mexico.
| | - José Díaz-Chávez
- Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, UNAM/Instituto Nacional de Cancerología (INCan), Mexico City, Mexico.
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37
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Cruz-Gregorio A, Aranda-Rivera AK, Pedraza-Chaverri J. Nuclear factor erythroid 2-related factor 2 in human papillomavirus-related cancers. Rev Med Virol 2021; 32:e2308. [PMID: 34694662 DOI: 10.1002/rmv.2308] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/06/2021] [Accepted: 10/11/2021] [Indexed: 01/04/2023]
Abstract
High-risk human papillomavirus (HR-HPV) infection is a necessary cause for the development of cervical cancer. Moreover, HR-HPV is also associated with cancers in the anus, vagina, vulva, penis and oropharynx. HR-HPVs target and modify the function of different cell biomolecules, such as glucose, amino acids, lipids and transcription factors (TF), such as p53, nuclear factor erythroid 2-related factor 2 (Nrf2), among others. The latter is a master TF that maintains redox homeostasis. Nrf2 also induces the transcription of genes associated with cell detoxification. Since both processes are critical for cell physiology, Nrf2 deregulation is associated with cancer development. Nrf2 is a crucial molecule in HPV-related cancer development but underexplored. Moreover, Nrf2 activation is also associated with resistance to chemotherapy and radiotherapy in these cancers. This review focusses on the importance of Nrf2 during HPV-related cancer development, resistance to therapy and potential therapies associated with Nrf2 as a molecular target.
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Affiliation(s)
- Alfredo Cruz-Gregorio
- Departmento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - Ana Karina Aranda-Rivera
- Departmento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
| | - José Pedraza-Chaverri
- Departmento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
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38
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Inturi R, Jemth P. CRISPR/Cas9-based inactivation of human papillomavirus oncogenes E6 or E7 induces senescence in cervical cancer cells. Virology 2021; 562:92-102. [PMID: 34280810 DOI: 10.1016/j.virol.2021.07.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/02/2021] [Accepted: 07/08/2021] [Indexed: 01/10/2023]
Abstract
Human papillomaviruses (HPVs) such as HPV16 and HPV18 can cause cancers of the cervix, anogenital and oropharyngeal sites. Continuous expression of the HPV oncoproteins E6 and E7 are essential for transformation and maintenance of cancer cells. Therefore, therapeutic targeting of E6 or E7 genes can potentially treat HPV-related cancers. Here we report that CRISPR/Cas9-based knockout of E6 or E7 can trigger cellular senescence in HPV18 immortalized HeLa cells. Specifically, E6 or E7-inactivated HeLa cells exhibited characteristic senescence markers like enlarged cell surface area, increased β-galactosidase expression and loss of lamin B1. Since E6 and E7 are bicistronic transcripts, inactivation of HPV18 E6 resulted in knockout of both E6 and E7 and increasing levels of p53/p21 and pRb/p21, respectively. Knockout of HPV18 E7 resulted in decreased E6 expression with activation of pRb/p21 pathway. Taken together, our study demonstrates cellular senescence as an alternative outcome of HPV oncogene inactivation by CRISPR/Cas9.
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Affiliation(s)
- Raviteja Inturi
- Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-75123, Uppsala, Sweden.
| | - Per Jemth
- Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-75123, Uppsala, Sweden.
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Solovyeva NI, Timoshenko OS, Kugaevskaya EV, Gureeva TA. Interstitial collagenase MMP-1 and EMMPRIN in cell lines and in clinical specimens of cervical squamous cell carcinoma. Mol Biol Rep 2021; 48:6879-6886. [PMID: 34495460 DOI: 10.1007/s11033-021-06689-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 08/24/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND The aim of this study was to elucidate the features of the expression of matrix metalloproteinases inducer-EMMPRIN (EMN) and matrix metalloproteinase 1 (MMP-1) in cell lines and in clinical samples of cervical squamous cell carcinoma (SCC). MATERIAL AND METHODS The study was carried out using RT-PCR, densitometry and immunohistochemical studies (IHC) on commercial cell lines Siha, Caski, transformed with HPV16; HeLa, and C33A transformed with HPV18, line C33A without HPV, and in clinical samples of SCC and morphologically normal tissue adjacent to the tumor. RESULTS The data obtained indicate that the expression of mRNA EMN and MMP-1 occurs in all cell lines at different levels. HPV type and number of genes copies had no effect on expression degree both EMN and MMP-1. Gene expression of EMN and MMP-1 has been investigated in tumor and normal tissues. MMP-1 expression in tumor tissue in SCC, as a rule, has been significantly increased (2-6 times) compared to normal tissue. It was found in 90% of tumor samples. It is known, that MMP-1 promotes the development of invasive and metastatic processes. EMN expression was lower in the tumor tissue than in normal tissue in most cases. An increase in EMN expression was noted only in some cases of SCC. CONCLUSION The data obtained indicate that MMP-1 can serve as a marker of the invasive potential of SCC. EMN, apparently, is not a major factor responsible for MMP-1 expression in SCC. Data are important for understanding the process of tumor development and may have prognostic value for the patient.
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Affiliation(s)
- Nina I Solovyeva
- V.N. Orekhovich Institute of Biomedical Chemistry, 10 Pogodinskaya Str., 119121, Moscow, Russia.
| | - Olga S Timoshenko
- V.N. Orekhovich Institute of Biomedical Chemistry, 10 Pogodinskaya Str., 119121, Moscow, Russia
| | - Elena V Kugaevskaya
- V.N. Orekhovich Institute of Biomedical Chemistry, 10 Pogodinskaya Str., 119121, Moscow, Russia
| | - Tatyana A Gureeva
- V.N. Orekhovich Institute of Biomedical Chemistry, 10 Pogodinskaya Str., 119121, Moscow, Russia
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40
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Cruz-Gregorio A, Aranda-Rivera AK, Ortega-Lozano AJ, Pedraza-Chaverri J, Mendoza-Hoffmann F. Lipid metabolism and oxidative stress in HPV-related cancers. Free Radic Biol Med 2021; 172:226-236. [PMID: 34129929 DOI: 10.1016/j.freeradbiomed.2021.06.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/21/2021] [Accepted: 06/10/2021] [Indexed: 02/06/2023]
Abstract
High-risk human papillomavirus (HR-HPVs) are associated with the development of cervical, anus, vagina, vulva, penis, and oropharynx cancer. HR-HPVs target and modify the function of different cell biomolecules such as glucose, amino acids, lipids, among others. The latter induce cell proliferation, cell death evasion, and genomic instability resulting in cell transformation. Moreover, lipids are essential biomolecules in HR-HPVs infection and cell vesicular trafficking. They are also critical in producing cellular energy, the epithelial-mesenchymal transition (EMT) process, and therapy resistance of HPV-related cancers. HPV proteins induce oxidative stress (OS), which in turn promotes lipid peroxidation and cell damage, resulting in cell death such as apoptosis, autophagy, and ferroptosis. HR-HPV-related cancer cells cope with OS and lipid peroxidation, preventing cell death; however, these cells are sensitized by OS, which could be used as a target for redox therapies to induce their elimination. This review focuses on the role of lipids in HR-HPV infection and HPV-related cancer development, maintenance, resistance to therapy, and the possible treatments associated with lipids. Furthermore, we emphasize the significant role of OS in lipid peroxidation to induce cell death through apoptosis, autophagy, and ferroptosis to eliminate HPV-related cancers.
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Affiliation(s)
- Alfredo Cruz-Gregorio
- Laboratorio F-225, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
| | - Ana Karina Aranda-Rivera
- Laboratorio F-315, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico; Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México 04510, Mexico.
| | - Ariadna Jazmin Ortega-Lozano
- Laboratorio F-315, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
| | - José Pedraza-Chaverri
- Laboratorio F-315, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
| | - Francisco Mendoza-Hoffmann
- IHuman Institute, ShanghaiTech University, China; Laboratorio F-206, Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
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41
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Shamseddine AA, Burman B, Lee NY, Zamarin D, Riaz N. Tumor Immunity and Immunotherapy for HPV-Related Cancers. Cancer Discov 2021; 11:1896-1912. [PMID: 33990345 PMCID: PMC8338882 DOI: 10.1158/2159-8290.cd-20-1760] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/27/2021] [Accepted: 03/16/2021] [Indexed: 12/17/2022]
Abstract
Human papillomavirus (HPV) infection drives tumorigenesis in the majority of cervical, oropharyngeal, anal, and vulvar cancers. Genetic and epidemiologic evidence has highlighted the role of immunosuppression in the oncogenesis of HPV-related malignancies. Here we review how HPV modulates the immune microenvironment and subsequent therapeutic implications. We describe the landscape of immunotherapies for these cancers with a focus on findings from early-phase studies exploring antigen-specific treatments, and discuss future directions. Although responses across these studies have been modest to date, a deeper understanding of HPV-related tumor biology and immunology may prove instrumental for the development of more efficacious immunotherapeutic approaches. SIGNIFICANCE: HPV modulates the microenvironment to create a protumorigenic state of immune suppression and evasion. Our understanding of these mechanisms has led to the development of immunomodulatory treatments that have shown early clinical promise in patients with HPV-related malignancies. This review summarizes our current understanding of the interactions of HPV and its microenvironment and provides insight into the progress and challenges of developing immunotherapies for HPV-related malignancies.
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Affiliation(s)
- Achraf A Shamseddine
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Bharat Burman
- Department of Medicine, Division of Solid Tumor Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nancy Y Lee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Dmitriy Zamarin
- Department of Medicine, Division of Solid Tumor Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
- Department of Medicine, Weill Cornell Medical College, New York, New York
| | - Nadeem Riaz
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.
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42
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Duan S, Pagano M. Ubiquitin ligases in cancer: Functions and clinical potentials. Cell Chem Biol 2021; 28:918-933. [PMID: 33974914 PMCID: PMC8286310 DOI: 10.1016/j.chembiol.2021.04.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/23/2021] [Accepted: 04/08/2021] [Indexed: 02/07/2023]
Abstract
Ubiquitylation, a highly regulated post-translational modification, controls many cellular pathways that are critical to cell homeostasis. Ubiquitin ligases recruit substrates and promote ubiquitin transfer onto targets, inducing proteasomal degradation or non-degradative signaling. Accumulating evidence highlights the critical role of dysregulated ubiquitin ligases in processes associated with the initiation and progression of cancer. Depending on the substrate specificity and biological context, a ubiquitin ligase can act either as a tumor promoter or as a tumor suppressor. In this review, we focus on the regulatory roles of ubiquitin ligases and how perturbations of their functions contribute to cancer pathogenesis. We also briefly discuss current strategies for targeting or exploiting ubiquitin ligases for cancer therapy.
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Affiliation(s)
- Shanshan Duan
- Department of Biochemistry and Molecular Pharmacology, NYU Grossman School of Medicine, New York, NY, USA; Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY, USA
| | - Michele Pagano
- Department of Biochemistry and Molecular Pharmacology, NYU Grossman School of Medicine, New York, NY, USA; Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY, USA; Howard Hughes Medical Institute, NYU Grossman School of Medicine, New York, NY, USA.
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43
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Phosphorylation of RCC1 on Serine 11 Facilitates G1/S Transition in HPV E7-Expressing Cells. Biomolecules 2021; 11:biom11070995. [PMID: 34356619 PMCID: PMC8301946 DOI: 10.3390/biom11070995] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/01/2021] [Accepted: 07/01/2021] [Indexed: 11/25/2022] Open
Abstract
Persistent infection of high-risk human papillomavirus (HR-HPV) plays a causal role in cervical cancer. Regulator of chromosome condensation 1 (RCC1) is a critical cell cycle regulator, which undergoes a few post-translational modifications including phosphorylation. Here, we showed that serine 11 (S11) of RCC1 was phosphorylated in HPV E7-expressing cells. However, S11 phosphorylation was not up-regulated by CDK1 in E7-expressing cells; instead, the PI3K/AKT/mTOR pathway promoted S11 phosphorylation. Knockdown of AKT or inhibition of the PI3K/AKT/mTOR pathway down-regulated phosphorylation of RCC1 S11. Furthermore, S11 phosphorylation occurred throughout the cell cycle, and reached its peak during the mitosis phase. Our previous data proved that RCC1 was necessary for the G1/S cell cycle progression, and in the present study we showed that the RCC1 mutant, in which S11 was mutated to alanine (S11A) to mimic non-phosphorylation status, lost the ability to facilitate G1/S transition in E7-expressing cells. Moreover, RCC1 S11 was phosphorylated by the PI3K/AKT/mTOR pathway in HPV-positive cervical cancer SiHa and HeLa cells. We conclude that S11 of RCC1 is phosphorylated by the PI3K/AKT/mTOR pathway and phosphorylation of RCC1 S11 facilitates the abrogation of G1 checkpoint in HPV E7-expressing cells. In short, our study explores a new role of RCC1 S11 phosphorylation in cell cycle regulation.
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Aarthy M, Singh SK. Interpretations on the Interaction between Protein Tyrosine Phosphatase and E7 Oncoproteins of High and Low-Risk HPV: A Computational Perception. ACS OMEGA 2021; 6:16472-16487. [PMID: 34235319 PMCID: PMC8246469 DOI: 10.1021/acsomega.1c01619] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/08/2021] [Indexed: 05/17/2023]
Abstract
The most prevalent and common sexually transmitted infection is caused by human papillomavirus (HPV) among sexually active women. Numerous genotypes of HPV are available, among which the major oncoproteins E6 and E7 lead to the progression of cervical cancer. The E7 oncoprotein interacts with cytoplasmic tumor suppressor protein PTPN14, which is the key regulator of cellular growth control pathways effecting the reduction of steady-state level. Disrupting the interaction between the tumor suppressor and the oncoprotein is vital to cease the development of cancer. Hence, the mechanism of interaction between E7 and tumor suppressor is explored through protein-protein and protein-ligand binding along with the conformational stability studies. The obtained results state that the LXCXE domain of HPV E7 of high and low risks binds with the tumor suppressor protein. Also, the small molecules bind in the interface of E7-PTPN14 that disrupts the interaction between the tumor suppressor and oncoprotein. These results were further supported by the dynamics simulation stating the stability over the bounded complex and the energy maintained during postdocking as well as postdynamics calculations. These observations possess an avenue in the drug discovery that leads to further validation and also proposes a potent drug candidate to treat cervical cancer caused by HPV.
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45
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Sajidah ES, Lim K, Wong RW. How SARS-CoV-2 and Other Viruses Build an Invasion Route to Hijack the Host Nucleocytoplasmic Trafficking System. Cells 2021; 10:1424. [PMID: 34200500 PMCID: PMC8230057 DOI: 10.3390/cells10061424] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/31/2021] [Accepted: 06/03/2021] [Indexed: 12/14/2022] Open
Abstract
The host nucleocytoplasmic trafficking system is often hijacked by viruses to accomplish their replication and to suppress the host immune response. Viruses encode many factors that interact with the host nuclear transport receptors (NTRs) and the nucleoporins of the nuclear pore complex (NPC) to access the host nucleus. In this review, we discuss the viral factors and the host factors involved in the nuclear import and export of viral components. As nucleocytoplasmic shuttling is vital for the replication of many viruses, we also review several drugs that target the host nuclear transport machinery and discuss their feasibility for use in antiviral treatment.
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Affiliation(s)
- Elma Sakinatus Sajidah
- Division of Nano Life Science in the Graduate School of Frontier Science Initiative, Kanazawa University, Kanazawa 920-1192, Japan;
| | - Keesiang Lim
- WPI-Nano Life Science Institute, Kanazawa University, Kanazawa 920-1192, Japan
| | - Richard W. Wong
- Division of Nano Life Science in the Graduate School of Frontier Science Initiative, Kanazawa University, Kanazawa 920-1192, Japan;
- WPI-Nano Life Science Institute, Kanazawa University, Kanazawa 920-1192, Japan
- Cell-Bionomics Research Unit, Institute for Frontier Science Initiative, Kanazawa University, Kanazawa 920-1192, Japan
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46
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Zella D, Gallo RC. Viruses and Bacteria Associated with Cancer: An Overview. Viruses 2021; 13:v13061039. [PMID: 34072757 PMCID: PMC8226504 DOI: 10.3390/v13061039] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/25/2021] [Accepted: 05/28/2021] [Indexed: 12/14/2022] Open
Abstract
There are several human viruses and bacteria currently known to be associated with cancer. A common theme indicates that these microorganisms have evolved mechanisms to hamper the pathways dedicated to maintaining the integrity of genetic information, preventing apoptosis of the damaged cells and causing unwanted cellular proliferation. This eventually reduces the ability of their hosts to repair the damage(s) and eventually results in cellular transformation, cancer progression and reduced response to therapy. Our data suggest that mycoplasmas, and perhaps certain other bacteria with closely related DnaKs, may also contribute to cellular transformation and hamper certain drugs that rely on functional p53 for their anti-cancer activity. Understanding the precise molecular mechanisms is important for cancer prevention and for the development of both new anti-cancer drugs and for improving the efficacy of existing therapies.
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Affiliation(s)
- Davide Zella
- Institute of Human Virology and Global Virus Network Center, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, USA;
| | - Robert C. Gallo
- Institute of Human Virology and Global Virus Network Center, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence:
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Molecular Tumor Subtypes of HPV-Positive Head and Neck Cancers: Biological Characteristics and Implications for Clinical Outcomes. Cancers (Basel) 2021; 13:cancers13112721. [PMID: 34072836 PMCID: PMC8198180 DOI: 10.3390/cancers13112721] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/24/2021] [Accepted: 05/27/2021] [Indexed: 01/18/2023] Open
Abstract
Until recently, research on the molecular signatures of Human papillomavirus (HPV)-associated head and neck cancers mainly focused on their differences with respect to HPV-negative head and neck squamous cell carcinomas (HNSCCs). However, given the continuing high incidence level of HPV-related HNSCC, the time is ripe to characterize the heterogeneity that exists within these cancers. Here, we review research thus far on HPV-positive HNSCC molecular subtypes, and their relationship with clinical characteristics and HPV integration into the host genome. Different omics data including host transcriptomics and epigenomics, as well as HPV characteristics, can provide complementary viewpoints. Keratinization, mesenchymal differentiation, immune signatures, stromal cells and oxidoreductive processes all play important roles.
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48
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Viral Manipulation of the Host Epigenome as a Driver of Virus-Induced Oncogenesis. Microorganisms 2021; 9:microorganisms9061179. [PMID: 34070716 PMCID: PMC8227491 DOI: 10.3390/microorganisms9061179] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/24/2021] [Accepted: 05/26/2021] [Indexed: 12/13/2022] Open
Abstract
Tumorigenesis due to viral infection accounts for a high fraction of the total global cancer burden (15–20%) of all human cancers. A comprehensive understanding of the mechanisms by which viral infection leads to tumor development is extremely important. One of the main mechanisms by which viruses induce host cell proliferation programs is through controlling the host’s epigenetic machinery. In this review, we dissect the epigenetic pathways through which oncogenic viruses can integrate their genome into host cell chromosomes and lead to tumor progression. In addition, we highlight the potential use of drugs based on histone modifiers in reducing the global impact of cancer development due to viral infection.
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49
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Da Silva MLR, De Albuquerque BHDR, Allyrio TADMF, De Almeida VD, Cobucci RNDO, Bezerra FL, Andrade VS, Lanza DCF, De Azevedo JCV, De Araújo JMG, Fernandes JV. The role of HPV-induced epigenetic changes in cervical carcinogenesis (Review). Biomed Rep 2021; 15:60. [PMID: 34094536 PMCID: PMC8165754 DOI: 10.3892/br.2021.1436] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 03/10/2021] [Indexed: 12/12/2022] Open
Abstract
Cervical cancer is associated with infection by certain types of human papillomaviruses (HPVs), and this affects women worldwide. Despite the improvements in prevention and cure of HPV-induced cervical cancer, it remains the second most common type of cancer in women in the least developed regions of the world. Epigenetic modifications are stable long-term changes that occur in the DNA, and are part of a natural evolutionary process of necessary adaptations to the environment. They do not result in changes in the DNA sequence, but do affect gene expression and genomic stability. Epigenetic changes are important in several biological processes. The effects of the environment on gene expression can contribute to the development of numerous diseases. Epigenetic modifications may serve a critical role in cancer cells, by silencing tumor suppressor genes, activating oncogenes, and exacerbating defects in DNA repair mechanisms. Although cervical cancer is directly related to a persistent high-risk HPV infection, several epigenetic changes have been identified in both the viral DNA and the genome of the infected cells: DNA methylation, histone modification and gene silencing by non-coding RNAs, which initiate and sustain epigenetic changes. In the present review, recent advances in the role of epigenetic changes in cervical cancer are summarized.
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Affiliation(s)
- Martha Laysla Ramos Da Silva
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.,Post-Graduate Program in Parasite Biology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
| | | | | | - Valéria Duarte De Almeida
- Department of Biomedical Sciences, State University of Rio Grande do Norte, Mossoro 59607-360, Brazil
| | | | - Fabiana Lima Bezerra
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
| | - Vania Sousa Andrade
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.,Post-Graduate Program in Parasite Biology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
| | - Daniel Carlos Ferreira Lanza
- Laboratory of Applied Molecular Biology, Department of Biochemistry, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
| | | | - Josélio Maria Galvão De Araújo
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.,Post-Graduate Program in Parasite Biology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
| | - José Veríssimo Fernandes
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.,Post-Graduate Program in Parasite Biology, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil
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50
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Tokuzen N, Nakashiro KI, Tojo S, Goda H, Kuribayashi N, Uchida D. Human papillomavirus-16 infection and p16 expression in oral squamous cell carcinoma. Oncol Lett 2021; 22:528. [PMID: 34055093 PMCID: PMC8138897 DOI: 10.3892/ol.2021.12789] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 04/13/2021] [Indexed: 11/30/2022] Open
Abstract
Human papillomavirus (HPV) is a possible carcinogenetic factor in oral squamous cell carcinoma (OSCC). Previous studies have reported the prevalence of HPV in patients with OSCC. However, the association between HPV and OSCC remains controversial. The present study aimed to clarify the association between HPV infection, p16 protein expression and the clinicopathological characteristics of OSCC. The expression level of HPV-16E6 mRNA and p16 protein, a known surrogate marker of HPV infection, was investigated in 100 OSCC cases using TaqMan reverse transcription-quantitative PCR and immunohistochemistry staining, respectively. HPV-16E6 mRNA expression level was only detected in one case (1%), and positive expression of p16 was found in 10 cases (10%), including an HPV-positive case. Subsequently, the association between p16 expression level and clinicopathological characteristic factors were analyzed; however, no significant association was found. These results suggested that HPV-16 infection was less likely to cause OSCC in Japan and p16 expression was not a suitable marker for HPV infection in OSCC.
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Affiliation(s)
- Norihiko Tokuzen
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Koh-Ichi Nakashiro
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Shin Tojo
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Hiroyuki Goda
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Nobuyuki Kuribayashi
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
| | - Daisuke Uchida
- Department of Oral and Maxillofacial Surgery, Ehime University Graduate School of Medicine, Toon, Ehime 791-0295, Japan
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