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Salvi A, Young AN, Huntsman AC, Pergande MR, Korkmaz MA, Rathnayake RA, Mize BK, Kinghorn AD, Zhang X, Ratia K, Schirle M, Thomas JR, Brittain SM, Shelton C, Aldrich LN, Cologna SM, Fuchs JR, Burdette JE. PHY34 inhibits autophagy through V-ATPase V0A2 subunit inhibition and CAS/CSE1L nuclear cargo trafficking in high grade serous ovarian cancer. Cell Death Dis 2022; 13:45. [PMID: 35013112 PMCID: PMC8748433 DOI: 10.1038/s41419-021-04495-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/29/2021] [Accepted: 12/17/2021] [Indexed: 12/22/2022]
Abstract
PHY34 is a synthetic small molecule, inspired by a compound naturally occurring in tropical plants of the Phyllanthus genus. PHY34 was developed to have potent in vitro and in vivo anticancer activity against high grade serous ovarian cancer (HGSOC) cells. Mechanistically, PHY34 induced apoptosis in ovarian cancer cells by late-stage autophagy inhibition. Furthermore, PHY34 significantly reduced tumor burden in a xenograft model of ovarian cancer. In order to identify its molecular target/s, we undertook an unbiased approach utilizing mass spectrometry-based chemoproteomics. Protein targets from the nucleocytoplasmic transport pathway were identified from the pulldown assay with the cellular apoptosis susceptibility (CAS) protein, also known as CSE1L, representing a likely candidate protein. A tumor microarray confirmed data from mRNA expression data in public databases that CAS expression was elevated in HGSOC and correlated with worse clinical outcomes. Overexpression of CAS reduced PHY34 induced apoptosis in ovarian cancer cells based on PARP cleavage and Annexin V staining. Compounds with a diphyllin structure similar to PHY34 have been shown to inhibit the ATP6V0A2 subunit of V(vacuolar)-ATPase. Therefore, ATP6V0A2 wild-type and ATP6V0A2 V823 mutant cell lines were tested with PHY34, and it was able to induce cell death in the wild-type at 246 pM while the mutant cells were resistant up to 55.46 nM. Overall, our data demonstrate that PHY34 is a promising small molecule for cancer therapy that targets the ATP6V0A2 subunit to induce autophagy inhibition while interacting with CAS and altering nuclear localization of proteins.
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Affiliation(s)
- Amrita Salvi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Alexandria N Young
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Andrew C Huntsman
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
| | - Melissa R Pergande
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Melissa A Korkmaz
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | | | - Brittney K Mize
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
| | - A Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
| | - Xiaoli Zhang
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, 43210, USA
| | - Kiira Ratia
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Markus Schirle
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Jason R Thomas
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Scott M Brittain
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Claude Shelton
- Novartis Institutes for BioMedical Research, 181 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Leslie N Aldrich
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - Stephanie M Cologna
- Department of Chemistry, University of Illinois at Chicago, Chicago, IL, 60607, USA
| | - James R Fuchs
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, 43210, USA
| | - Joanna E Burdette
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, 60607, USA.
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Luo Y, Qu X, Kan D, Cai B. The microRNA-451a/chromosome segregation 1-like axis suppresses cell proliferation, migration, and invasion and induces apoptosis in nasopharyngeal carcinoma. Bioengineered 2021; 12:6967-6980. [PMID: 34516344 PMCID: PMC8806603 DOI: 10.1080/21655979.2021.1975018] [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] [Indexed: 10/27/2022] Open
Abstract
MicroRNA-451a (miR-451a) has been implicated in the initiation and progression of multiple cancers. However, the regulatory mechanisms underlying its function in nasopharyngeal carcinoma (NPC) are poorly understood. Thus, we investigated in detail the role of the microRNA-451a/chromosome segregation 1-like (miR-45a/CSE1L) axis and its regulatory mechanism in NPC. We examined the levels of miR-451a and CSE1L in NPC, and assessed the effects of miR-451a and CSE1L on NPC by cell functional experiments. Furthermore, we elucidated the direct regulatory effect of miR-451a on CSE1L by the luciferase reporter assay, RNA pull-down assay, and RNA immunoprecipitation and validated our observations by calculating the Pearson's correlation coefficient. We found that miR-451a was down-regulated in NPC cells, and its over-expression attenuated cell proliferation, migration, and invasion, and tumor growth in 5-8 F and SUNE-1 cells and promoted apoptosis. Moreover, CSE1L was the direct gene target of miR-451a, and its over-expression abrogated miR-451a-dependent inhibition of malignancy in 5-8 F and SUNE-1 cells. The Pearson's correlation coefficient indicated a negative correlation between CSE1L and miR-451a. miR-451a serves as a tumor suppressor and targets CSE1L. miR-451a suppresses CSE1L expression, thereby reducing proliferation, invasion, and migration and increasing apoptosis of NPC cells.
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Affiliation(s)
- Yi Luo
- Department of Otorhinolaryngology, Affiliated Puren Hospital of Wuhan University of Science and Technology, Wuhan, China
| | - Xiu Qu
- Department of Pain Treatment, Affiliated Puren Hospital of Wuhan University of Science and Technology, Wuhan, China
| | - Dan Kan
- Department of Otorhinolaryngology, Affiliated Puren Hospital of Wuhan University of Science and Technology, Wuhan, China
| | - Binlin Cai
- Department of Otorhinolaryngology, Affiliated Puren Hospital of Wuhan University of Science and Technology, Wuhan, China
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Zhou S, Zhang M, Zhou C, Meng Y, Yang H, Ye W. FLVCR1 Predicts Poor Prognosis and Promotes Malignant Phenotype in Esophageal Squamous Cell Carcinoma via Upregulating CSE1L. Front Oncol 2021; 11:660955. [PMID: 33842377 PMCID: PMC8027484 DOI: 10.3389/fonc.2021.660955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 03/10/2021] [Indexed: 01/19/2023] Open
Abstract
Objective Dysregulation of feline leukemia virus subgroup C receptor 1(FLVCR1) expression has been investigated in several tumors. However, the expression and role of FLVCR1 in esophageal squamous cell carcinoma (ESCC) remain largely unknown. Methods FLVCR1 expression in tissues was measured by immunohistochemical staining (IHC). Celigo assay, MTT assay, colony formation, caspase 3/7 activity analysis, wound healing assay, Transwell migration, and invasion assay were applied to assess the effects of FLVCR1 on ESCC tumorigenesis. Coimmunoprecipitation (Co-IP) and liquid chromatography-mass spectrometry (LC-MS) were used to identify protein interactions with FLVCR1. An in vivo imaging system (IVIS) was used to investigate the functions of FLVCR1 on the growth and metastatic capability of ESCC cells in a xenograft model and a tail vein metastasis model. Results Elevated expression of FLVCR1 was detected in ESCC tissues and predicted poor survival. Upregulated FLVCR1 was positively correlated with lymph node metastasis (N stage) and late tumor-node-metastasis (TNM) stage. FLVCR1 knockdown inhibited cell proliferation and colony formation ability, induced cell apoptosis, and repressed cell migration and invasion of ESCC in vitro. Inhibition of FLVCR1 markedly repressed tumorigenicity and metastasis of ESCC cells in vivo. Mechanistically, chromosome segregation 1–like (CSE1L) was identified to interact with FLVCR1 using a Co-IP assay. Moreover, the inhibitory effect of FLVCR1 knockdown on proliferation and migration was counteracted by the exogenous expression of CSE1L. Conclusion FLVCR1 plays a pivotal role in ESCC cell survival, growth, and migration. These functions may be partially dependent upon the protein interaction between FLVCR1 and CSE1L. In addition, FLVCR1 can be applied as a clinical prognostic marker for patients with ESCC.
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Affiliation(s)
- Suna Zhou
- Laboratory of Cellular and Molecular Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Department of Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou, China
| | - Mingxin Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, China
| | - Chao Zhou
- Laboratory of Cellular and Molecular Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Department of Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou, China
| | - Yinnan Meng
- Laboratory of Cellular and Molecular Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Department of Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou, China
| | - Haihua Yang
- Laboratory of Cellular and Molecular Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Department of Radiation Oncology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China.,Key Laboratory of Minimally Invasive Techniques & Rapid Rehabilitation of Digestive System Tumor of Zhejiang Province, Taizhou, China
| | - Wenguang Ye
- Department of Gastroenterology, The Affiliated Taizhou Hospital, Wenzhou Medical University, Taizhou, China
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Cook MB, Thrift AP. Epidemiology of Barrett's Esophagus and Esophageal Adenocarcinoma: Implications for Screening and Surveillance. Gastrointest Endosc Clin N Am 2021; 31:1-26. [PMID: 33213789 PMCID: PMC7887893 DOI: 10.1016/j.giec.2020.08.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In the United States, the incidence of esophageal adenocarcinoma increased markedly since the 1970s with a recent stabilization. Despite evolving screening and surveillance strategies to diagnose, risk triage, and intervene in Barrett's esophagus patients to prevent esophageal adenocarcinoma, most cases present with advanced disease and poor resultant survival. Epidemiologic studies have identified the main risk factors for these conditions, including increasing age, male sex, white race, gastroesophageal reflux disease, abdominal obesity, cigarette smoking, and lack of infection with Helicobacter pylori. This review summarizes the current epidemiologic evidence with implications for screening and surveillance in Barrett's esophagus and esophageal adenocarcinoma.
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Affiliation(s)
- Michael B Cook
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, 9609 Medical Center Drive, 6E430, Rockville, MD 20850, USA.
| | - Aaron P Thrift
- Section of Epidemiology and Population Sciences, Department of Medicine, and Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, One Baylor Plaza, MS: BCM307, Room 621D, Houston, TX 77030, USA
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Mor A, Kobus K, Leszczyńska U, Reszeć J. Differentiating dysplasia markers in Barrette sophagus and adenocarcinoma. POSTEP HIG MED DOSW 2019. [DOI: 10.5604/01.3001.0013.5643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Barrett’s esophagus (BE) is the only known precursor of esophageal adenocarcinoma (EAC). This precancerous lesion can transform into low-grade and high-grade dysplasia, which may develop in the EAC. Therefore, the issues of dysplasia detection and monitoring and early diagnostics for the presence of EAC foci are extremely important factors in the surveillance of patients with BE progression. Histopathological examinations are regarded as the gold standard in the BE progression evaluation. They posses a large clinical utility in the identification of dysplasia and cancer risk stratification in patients with the BE. However, this method is a very subjective, and is heavily dependent on the knowledge and experience of the person conducting it. Therefore, it seems to be important to implement in the BE progression diagnostics sensitive and specific biomarkers that could be used as complementary tests. They could improve detection, stratification and monitoring of the progression of BE and the detection of the EAC early stages. Literature data concerning markers distinguishing between different stages of Barrett’s-related dysplasia and cancer is very scarce. In this article there we collected and characterized the most important data. Apart from this, there is a fairly large group of proteins and genes. Their expression levels allow for the detection of changes during the development of the BE progression. No studies have been carried out yet for their usefulness in differentiating between types of BE-related dysplasia and EAC, but we know that some of them could be useful as auxiliary markers differentiating between different stages of dysplasia and EAC. The article discusses those with the greatest potential.
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Affiliation(s)
- Adrian Mor
- Zakład Patomorfologii Lekarskiej Uniwersytetu Medycznego w Białymstoku, Białystok, Polska
| | - Krzysztof Kobus
- Samodzielny Publiczny Zakład Opieki Zdrowotnej w Sokółce, Oddział Chirurgii, Sokółka, Polska
| | - Urszula Leszczyńska
- Zakład Patomorfologii Lekarskiej Uniwersytetu Medycznego w Białymstoku, Białystok, Polska
| | - Joanna Reszeć
- Zakład Patomorfologii Lekarskiej Uniwersytetu Medycznego w Białymstoku, Białystok, Polska
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The role of CSE1L expression in cervical lymph node metastasis of larynx tumors. Braz J Otorhinolaryngol 2019; 87:42-46. [PMID: 31383592 PMCID: PMC9422512 DOI: 10.1016/j.bjorl.2019.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/08/2019] [Accepted: 06/20/2019] [Indexed: 01/27/2023] Open
Abstract
Introduction According to international reports, 30–40% of all head and neck cancers are larynx cancers, comprising 1–2.5% of all cancer types. Cervical nodal involvement has been reported to be 40% and 65% in T3 and T4 cases, respectively. Five-year survival in patients with cervical lymph node metastasis has been demonstrated to be 50% lower compared to patients with no metastasis. Chromosome segregation like 1 protein; is a DNA fragment isolated by Brinkmann et al. in 1995 that corresponds to yeast chromosome segregation protein. Studies on the effect of chromosome segregation like 1 protein expression in head and neck tumors are rare and it has been shown that nuclear chromosome segregation like 1 protein is over-expressed in these studies where gastrointestinal and breast tumors over-expressed cytoplasmic chromosome segregation like 1 protein. Objective Chromosome segregation like 1 protein may regulate the proliferation and metastasis of T3–T4 glottic larynx cancer. The aim of this study is to show the relationship between chromosome segregation like 1 protein expression and cervical lymph node metastasis of T3–T4 glottic larynx cancer. Methods A total of 57 male patients who were operated for T3–T4 glottic cancer in a tertiary referral hospital was included in this study. There were 28 patients with cervical lymph node metastasis and 29 patients without lymph node metastasis. Immunohistochemistry was carried out on formalin-fixed, paraffin-embedded archival glottic larynx tumour tissue. According to the percentage of immunoreactive cells, chromosome segregation like 1 protein status was analyzed. Results Among the patients, who had no cervical lymph node metastasis, 15 patients showed weak nuclear staining, 12 patients showed moderate nuclear staining and only 2 patients showed high nuclear staining for chromosome segregation like 1 protein. Among the patients who had cervical lymph node metastasis, 18 patients showed high nuclear staining, 9 patients showed moderate staining and only one patient showed weak staining for chromosome segregation like 1 protein. None of the metastatic patients showed cytoplasmic staining and only one patient in the non-metastatic group showed cytoplasmic staining for chromosome segregation like 1 protein. There was a positive correlation between nuclear chromosome segregation like 1 protein expression and cervical lymph node metastasis (r = 0,668) and it was statistically significant (p < 0,001). Conclusion Chromosome segregation like 1 protein expression is correlated with lymph node metastasis in T3–T4 glottic cancers. This may change the approach to cervical node treatment in patients with glottic cancers in future.
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