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Barritt SA, DuBois-Coyne SE, Dibble CC. Coenzyme A biosynthesis: mechanisms of regulation, function and disease. Nat Metab 2024; 6:1008-1023. [PMID: 38871981 DOI: 10.1038/s42255-024-01059-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 04/30/2024] [Indexed: 06/15/2024]
Abstract
The tricarboxylic acid cycle, nutrient oxidation, histone acetylation and synthesis of lipids, glycans and haem all require the cofactor coenzyme A (CoA). Although the sources and regulation of the acyl groups carried by CoA for these processes are heavily studied, a key underlying question is less often considered: how is production of CoA itself controlled? Here, we discuss the many cellular roles of CoA and the regulatory mechanisms that govern its biosynthesis from cysteine, ATP and the essential nutrient pantothenate (vitamin B5), or from salvaged precursors in mammals. Metabolite feedback and signalling mechanisms involving acetyl-CoA, other acyl-CoAs, acyl-carnitines, MYC, p53, PPARα, PINK1 and insulin- and growth factor-stimulated PI3K-AKT signalling regulate the vitamin B5 transporter SLC5A6/SMVT and CoA biosynthesis enzymes PANK1, PANK2, PANK3, PANK4 and COASY. We also discuss methods for measuring CoA-related metabolites, compounds that target CoA biosynthesis and diseases caused by mutations in pathway enzymes including types of cataracts, cardiomyopathy and neurodegeneration (PKAN and COPAN).
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Affiliation(s)
- Samuel A Barritt
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Sarah E DuBois-Coyne
- Department of Medicine, Department of Biological Chemistry and Molecular Pharmacology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Christian C Dibble
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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Smithson M, Diffalha SA, Irwin RK, Williams G, McLeod MC, Somasundaram V, Bellis SL, Hardiman KM. ST6GAL1 is associated with poor response to chemoradiation in rectal cancer. Neoplasia 2024; 51:100984. [PMID: 38467087 PMCID: PMC11026834 DOI: 10.1016/j.neo.2024.100984] [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: 11/06/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/13/2024]
Abstract
INTRODUCTION Colorectal cancer is the third most common cause of cancer death. Rectal cancer makes up a third of all colorectal cases. Treatment for locally advanced rectal cancer includes chemoradiation followed by surgery. We have previously identified ST6GAL1 as a cause of resistance to chemoradiation in vitro and hypothesized that it would be correlated with poor response in human derived models and human tissues. METHODS Five organoid models were created from primary human rectal cancers and ST6GAL1 was knocked down via lentivirus transduction in one model. ST6GAL1 and Cleaved Caspase-3 (CC3) were assessed after chemoradiation via immunostaining. A tissue microarray (TMA) was created from twenty-six patients who underwent chemoradiation and had pre- and post-treatment specimens of rectal adenocarcinoma available at our institution. Immunohistochemistry was performed for ST6GAL1 and percent positive cancer cell staining was assessed and correlation with pathological grade of response was measured. RESULTS Organoid models were treated with chemoradiation and both ST6GAL1 mRNA and protein significantly increased after treatment. The organoid model targeted with ST6GAL1 knockdown was found to have increased CC3 after treatment. In the tissue microarray, 42 percent of patient samples had an increase in percent tumor cell staining for ST6GAL1 after treatment. Post-treatment percent staining was associated with a worse grade of treatment response (p = 0.01) and increased staining post-treatment compared to pre-treatment was also associated with a worse response (p = 0.01). CONCLUSION ST6GAL1 is associated with resistance to treatment in human rectal cancer and knockdown in an organoid model abrogated resistance to apoptosis caused by chemoradiation.
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Affiliation(s)
- Mary Smithson
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Sameer Al Diffalha
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Regina K Irwin
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Gregory Williams
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - M Chandler McLeod
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Vivek Somasundaram
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Susan L Bellis
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Al 35294, USA
| | - Karin M Hardiman
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294, USA; Department of Surgery, Birmingham Veterans Affairs Medical Center, Birmingham, Al 35294, USA.
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Zheng Y, Liufu T, Wen B, Zhou C, Liu L, Qiu Y, Zou W, Zhang W, Li Y, Pei J, Zeng Y, Chen W, Zhang C, Yuan Y, Wang G, Yan C, Lu X, Deng J, Wang Z, Hong D. COASY variant as a new genetic cause of riboflavin-responsive lipid storage myopathy. Cell Discov 2024; 10:25. [PMID: 38413569 PMCID: PMC10899607 DOI: 10.1038/s41421-023-00641-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/22/2023] [Indexed: 02/29/2024] Open
Affiliation(s)
- Yilei Zheng
- Department of Neurology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Tongling Liufu
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Bing Wen
- Department of Neurology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Chao Zhou
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Lingchun Liu
- Department of Neurology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yusen Qiu
- Department of Neurology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Wenquan Zou
- Department of Neurology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Wei Zhang
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Yu Li
- Intelligence Pharma, Beijing, China
| | - Jianfeng Pei
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
| | - Yiheng Zeng
- Department of Neurology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Wanjin Chen
- Department of Neurology, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Chunhua Zhang
- Department of Research & Development of MILS International, Yokohama, Japan
| | - Yun Yuan
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Guochun Wang
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China
| | - Chuanzhu Yan
- Department of Neurology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xin Lu
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, China.
| | - Jianwen Deng
- Department of Neurology, Peking University First Hospital, Beijing, China.
| | - Zhaoxia Wang
- Department of Neurology, Peking University First Hospital, Beijing, China.
| | - Daojun Hong
- Department of Neurology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
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Ghasemi MR, Tehrani Fateh S, Moeinafshar A, Sadeghi H, Karimzadeh P, Mirfakhraie R, Rezaei M, Hashemi-Gorji F, Rezvani Kashani M, Fazeli Bavandpour F, Bagheri S, Moghimi P, Rostami M, Madannejad R, Roudgari H, Miryounesi M. Broadening the phenotype and genotype spectrum of novel mutations in pontocerebellar hypoplasia with a comprehensive molecular literature review. BMC Med Genomics 2024; 17:51. [PMID: 38347586 PMCID: PMC10863249 DOI: 10.1186/s12920-024-01810-0] [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: 04/26/2023] [Accepted: 01/16/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Pontocerebellar hypoplasia is an umbrella term describing a heterogeneous group of prenatal neurodegenerative disorders mostly affecting the pons and cerebellum, with 17 types associated with 25 genes. However, some types of PCH lack sufficient information, which highlights the importance of investigating and introducing more cases to further elucidate the clinical, radiological, and biochemical features of these disorders. The aim of this study is to provide an in-depth review of PCH and to identify disease genes and their inheritance patterns in 12 distinct Iranian families with clinically confirmed PCH. METHODS Cases included in this study were selected based on their phenotypic and genetic information available at the Center for Comprehensive Genetic Services. Whole-exome sequencing (WES) was used to discover the underlying genetic etiology of participants' problems, and Sanger sequencing was utilized to confirm any suspected alterations. We also conducted a comprehensive molecular literature review to outline the genetic features of the various subtypes of PCH. RESULTS This study classified and described the underlying etiology of PCH into three categories based on the genes involved. Twelve patients also were included, eleven of whom were from consanguineous parents. Ten different variations in 8 genes were found, all of which related to different types of PCH. Six novel variations were reported, including SEPSECS, TSEN2, TSEN54, AMPD2, TOE1, and CLP1. Almost all patients presented with developmental delay, hypotonia, seizure, and microcephaly being common features. Strabismus and elevation in lactate levels in MR spectroscopy were novel phenotypes for the first time in PCH types 7 and 9. CONCLUSIONS This study merges previously documented phenotypes and genotypes with unique novel ones. Due to the diversity in PCH, we provided guidance for detecting and diagnosing these heterogeneous groups of disorders. Moreover, since certain critical conditions, such as spinal muscular atrophy, can be a differential diagnosis, providing cases with novel variations and clinical findings could further expand the genetic and clinical spectrum of these diseases and help in better diagnosis. Therefore, six novel genetic variants and novel clinical and paraclinical findings have been reported for the first time. Further studies are needed to elucidate the underlying mechanisms and potential therapeutic targets for PCH.
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Affiliation(s)
- Mohammad-Reza Ghasemi
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, , Tehran, Iran
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Aysan Moeinafshar
- School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Hossein Sadeghi
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, , Tehran, Iran
| | - Parvaneh Karimzadeh
- Pediatric Neurology Department, Mofid Children's Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Mirfakhraie
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, , Tehran, Iran
| | - Mitra Rezaei
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzad Hashemi-Gorji
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Morteza Rezvani Kashani
- Pediatric Neurology Department, Mofid Children's Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Saman Bagheri
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Medicine, Islamic Azad University Tehran Medical Sciences, Tehran, Iran
| | - Parinaz Moghimi
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Medicine, Islamic Azad University Tehran Medical Sciences, Tehran, Iran
| | - Masoumeh Rostami
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rasoul Madannejad
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Roudgari
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Miryounesi
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, , Tehran, Iran.
- Center for Comprehensive Genetic Services, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Hu Q, Zuo H, Hsu JC, Zeng C, Zhou T, Sun Z, Cai W, Tang Z, Chen W. The Emerging Landscape for Combating Resistance Associated with Energy-Based Therapies via Nanomedicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308286. [PMID: 37971203 PMCID: PMC10872442 DOI: 10.1002/adma.202308286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/07/2023] [Indexed: 11/19/2023]
Abstract
Cancer represents a serious disease with significant implications for public health, imposing substantial economic burden and negative societal consequences. Compared to conventional cancer treatments, such as surgery and chemotherapy, energy-based therapies (ET) based on athermal and thermal ablation provide distinct advantages, including minimally invasive procedures and rapid postoperative recovery. Nevertheless, due to the complex pathophysiology of many solid tumors, the therapeutic effectiveness of ET is often limited. Nanotechnology offers unique opportunities by enabling facile material designs, tunable physicochemical properties, and excellent biocompatibility, thereby further augmenting the outcomes of ET. Numerous nanomaterials have demonstrated the ability to overcome intrinsic therapeutic resistance associated with ET, leading to improved antitumor responses. This comprehensive review systematically summarizes the underlying mechanisms of ET-associated resistance (ETR) and highlights representative applications of nanoplatforms used to mitigate ETR. Overall, this review emphasizes the recent advances in the field and presents a detailed account of novel nanomaterial designs in combating ETR, along with efforts aimed at facilitating their clinical translation.
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Affiliation(s)
- Qitao Hu
- Department of Surgery, The Fourth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
| | - Huali Zuo
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
| | - Jessica C. Hsu
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, Wisconsin 53705, United States
| | - Cheng Zeng
- Department of Surgery, The Fourth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
| | - Tian Zhou
- Department of Surgery, The Fourth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
| | - Zhouyi Sun
- Department of Surgery, The Fourth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
| | - Weibo Cai
- Departments of Radiology and Medical Physics, University of Wisconsin-Madison, Wisconsin 53705, United States
| | - Zhe Tang
- Department of Surgery, The Fourth Affiliated Hospital, International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
- Department of Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weiyu Chen
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, Zhejiang, 322000, China
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
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Zhang Z, Liu S. The interaction between ASF1B and TLK1 promotes the malignant progression of low-grade glioma. Ann Med 2023; 55:1111-1122. [PMID: 36947060 PMCID: PMC10035952 DOI: 10.1080/07853890.2023.2169751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
AIM Low-grade glioma (LGG), which is the second most frequent adult brain malignancy, severely threatens patients' health and has a high recurrence rate. Histone H3/H4 chaperone anti-silencing function 1 B (ASF1B) has a tight association with the initiation and development of tumours. The expression and regulation mechanism of ASF1B in LGG were discussed. METHODS ASF1B expression in LGG patients as well as the association of ASF1B with overall survival and disease-free survival of LGG patients were predicted by GEPIA database. The independent prognostic value of ASF1B in LGG patients was investigated by TCGA database. RT-qPCR, together with western blot was applied for the assessment of ASF1B in LGG cell lines. After ASF1B expression was inhibited, CCK8 and colony formation assays judged cell proliferation. Flow cytometry analysis and TUNEL assay appraised cell cycle as well as apoptosis. Cell migratory and invasive capacities were measured by wound healing as well as Transwell assays. Western blot tested the expression of proliferation-, cycle-, apoptosis-, and metastasis-associated proteins. STRING and GeneMANIA database predicted the relationship between ASF1B and tousled-like kinase 1 (TLK1). ChIP assay testified the affinity of ASF1B with TLK1. Subsequently, TLK1 was overexpressed and ASF1B expression interfered, and the functional assays were executed. RESULTS ASF1B was discovered to be increased in LGG tissues and cells and indicates an unfavourable prognosis for LGG patients. ASF1B was not an independent prognostic factor for LGG. ASF1B deficiency obstructed the proliferation, cell cycle as well as metastasis of LGG cells, and induced cell death, which might be realized through the interaction with TLK1. CONCLUSION The interaction between ASF1B and TLK1 promoted the malignant progression of LGG.Key messagesTLK1 interacts with ASF1B.Interference with ASF1B inhibits the proliferative, invasive and migratory capabilities and induces the cycle arrest, along with the apoptosis of LGG cells.The interaction between ASF1B and TLK1 promotes the malignant progression of LGG.
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Affiliation(s)
- Zifa Zhang
- Neurosurgery Department, Shanxi Bethune Hospital, Taiyuan, Shanxi, P. R. China
- Shanxi Academy of Medical Sciences, Taiyuan, Shanxi, P. R. China
| | - Shuming Liu
- Emergency Department, Taiyuan People's Hospital, Taiyuan, Shanxi, P. R. China
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Qin C, Li A, Xiao Y, Liu W, Zhai E, Li Q, Jing H, Zhang Y, Zhang H, Ma X, Tang H, Rong D. Expression of ZNF281 in colorectal cancer correlates with response to radiotherapy and survival. Ann Med 2023; 55:2278619. [PMID: 37939252 PMCID: PMC10653697 DOI: 10.1080/07853890.2023.2278619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND The treatment of Colorectal cancer (CRC) is extremely complex and survival rates vary depending on the stage of the disease at the time of diagnosis. Neoadjuvant chemoradiotherapy (NACRT), is the conventional treatment for locally advanced rectal cancer (LARC); however, the resistance to chemoradiotherapy in LARC is difficult to predict. MATERIALS AND METHODS In this study, clinical data of 126 LARC patients were collected and analyzed, and relevant validation was performed using GEO database and in vitro and in vivo experiments, including Western blotting and Real-time quantitative PCR, immunohistochemistry, immunofluorescence, clonogenic cell survival assays, and nude-mouse xenograft models. RESULTS In patients with LARC who were treated with neoadjuvant radiotherapy (NART), higher ZNF281 expression in malignant tissue was associated with a poorer prognosis and lesser degree of tumor regression. Cell and mouse experiments have shown that ZNF281 reduces the damage caused by X-rays to CRC cells and tumors grown in mice. CONCLUSION We found that the expression of ZNF281 predicted the radiation response of CRC cells and suggested the prognosis of patients with LARC who received neoadjuvant radiation therapy.
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Affiliation(s)
- Changjiang Qin
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Ang Li
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Yafei Xiao
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Wenjing Liu
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Ertao Zhai
- Department of Gastrointestinal and Pancreatic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Quanying Li
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Hong Jing
- Department of Pathology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Yijie Zhang
- Department of Pathology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Hui Zhang
- Department of Pathology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Xuhui Ma
- Department of Pathology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Hongna Tang
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
| | - Dan Rong
- Department of Gastrointestinal Surgery, Huaihe Hospital of Henan University, Kaifeng, China
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Tang LF, Ma X, Xie LW, Zhou H, Yu J, Wang ZX, Li M. Perillaldehyde Mitigates Ionizing Radiation-Induced Intestinal Injury by Inhibiting Ferroptosis via the Nrf2 Signaling Pathway. Mol Nutr Food Res 2023; 67:e2300232. [PMID: 37658487 DOI: 10.1002/mnfr.202300232] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 07/12/2023] [Indexed: 09/03/2023]
Abstract
SCOPE Gastrointestinal toxicity is one of the major side effects of abdominopelvic tumor radiotherapy. Studies have shown that perillaldehyde (PAH) has antioxidant, antiinflammatory, antimicrobial activity, and antitumor effects. This study aims to determine whether PAH has radioprotective effects on radiation-induced intestinal injury and explore the underlying mechanisms. METHODS AND RESULTS C57BL/6J mice are gavaged with PAH for 7 days, then exposed to a single dose of 13 Gy X-ray total abdominal irradiation (TAI). PAH treatment prolongs the survival time, promotes the survival of crypt cells, attenuates radiation-induced DNA damage, and mitigates intestinal barrier damage in the irradiated mice. PAH also shows radioprotective effects in intestinal crypt organoids and human intestinal epithelial cells (HIEC-6). PAH-mediated radioprotection is associated with the upregulation of nuclear factor erythroid-2 related factor 2 (Nrf2), activation of the antioxidant pathway, and inhibition of ferroptosis. Notably, treatment with the Nrf2 inhibitor ML385 abolishes the protective effects of PAH, indicating that Nrf2 activation is essential for PAH activity. CONCLUSION PAH inhibits ionizing radiation (IR)-induced ferroptosis and attenuates intestinal injury after irradiation by activating Nrf2 signaling. Therefore, PAH is a promising therapeutic strategy for IR-induced intestinal injury.
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Affiliation(s)
- Lin-Feng Tang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, Jiangsu, 215123, China
- The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Xiaoming Ma
- Department of General Surgery, The Affiliated Suqian Hospital of Xuzhou Medical University, Suqian, Jiangsu, 223800, China
| | - Li-Wei Xie
- The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Hao Zhou
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Jiahua Yu
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Zhen-Xin Wang
- Department of Medical Oncology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
| | - Ming Li
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, Jiangsu, 215123, China
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9
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Duraes LC, Kalady MF, Liska D, Gorgun E, Kessler H, Otero-Pineiro A, Steele SR, Valente MA. Word of caution: Rectal cancer without response to neoadjuvant treatment - Do not wait for surgery. Am J Surg 2023; 226:548-552. [PMID: 37032235 DOI: 10.1016/j.amjsurg.2023.03.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 02/05/2023] [Accepted: 03/22/2023] [Indexed: 04/09/2023]
Abstract
BACKGROUND We hypothesized that prolonging the interval to surgery in non-responders to neoadjuvant chemoradiation therapy (nCRT) could lead to worse oncologic outcomes. METHODS Rectal adenocarcinoma patients with poor tumor response to nCRT (AJCC tumor regression grade 3) were selected. Oncologic outcomes were evaluated according to the time interval between completion of nCRT and surgery. RESULTS Among 56 non-responders, 28 patients surgically treated ≥8 weeks after completion of nCRT had worse disease-free survival (31% vs. 49%, p = 0.05) and worse overall survival (34% vs. 53%, p = 0.02) compared to patients <8 weeks. Using the three different intervals (≥12 weeks, 6-12 weeks, and< 6 weeks), waiting longer was consistently associated with worse overall (23% vs. 48% vs. 63%, p = 0.02) and worse cancer-specific survival (35% vs. 61% vs. 71%, p = 0.04), respectively. CONCLUSION For rectal cancer patients who are non-responders to nCRT, delay of surgery may lead to worse oncologic outcomes.
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Affiliation(s)
- Leonardo C Duraes
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Matthew F Kalady
- Division of Colon and Rectal Surgery, The Ohio State University, Columbus, OH, USA
| | - David Liska
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Emre Gorgun
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Hermann Kessler
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ana Otero-Pineiro
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Scott R Steele
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Michael A Valente
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA.
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10
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Slipsager A, Henrichsen SN, Falkmer UG, Dybkær K, Belting M, Poulsen LØ. Predictive biomarkers in radioresistant rectal cancer: a systematic review. Crit Rev Oncol Hematol 2023; 186:103991. [PMID: 37059272 DOI: 10.1016/j.critrevonc.2023.103991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 03/31/2023] [Accepted: 04/11/2023] [Indexed: 04/16/2023] Open
Abstract
BACKGROUND AND AIMS The treatment of locally advanced rectal cancer often consists of neoadjuvant chemoradiotherapy followed by surgery. However, approximately 15% of patients show no response to this neoadjuvant chemoradiotherapy. This systematic review aimed to identify biomarkers of innate radioresistant rectal cancer. METHOD Through a systematic literature search, 125 papers were included and analyzed using ROBINS-I, a Cochrane risk of bias tool for non-randomized studies of interventions. Both statistically significant and nonsignificant biomarkers were identified. Biomarkers mentioned more than once in the results or biomarkers with a low or moderate risk of bias were included as the final results. RESULTS Thirteen unique biomarkers, three genetic signatures, one specific pathway, and two combinations of two or four biomarkers were identified. In particular, the connection between HMGCS2, COASY, and PI3K-pathway seems promising. Future scientific research should focus on further validating these genetic resistance markers.
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Affiliation(s)
- Anna Slipsager
- Department of Oncology, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
| | - Sofie N Henrichsen
- Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Ursula G Falkmer
- Department of Oncology, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Karen Dybkær
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark; Department of Hematology, Aalborg University Hospital, Aalborg, Denmark
| | - Mattias Belting
- Department of Immunology Genetics and Pathology, Uppsala University, Uppsala, Sweden; Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Laurids Ø Poulsen
- Department of Oncology, Aalborg University Hospital, Aalborg, Denmark; Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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11
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Cavestro C, Diodato D, Tiranti V, Di Meo I. Inherited Disorders of Coenzyme A Biosynthesis: Models, Mechanisms, and Treatments. Int J Mol Sci 2023; 24:ijms24065951. [PMID: 36983025 PMCID: PMC10054636 DOI: 10.3390/ijms24065951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/09/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Coenzyme A (CoA) is a vital and ubiquitous cofactor required in a vast number of enzymatic reactions and cellular processes. To date, four rare human inborn errors of CoA biosynthesis have been described. These disorders have distinct symptoms, although all stem from variants in genes that encode enzymes involved in the same metabolic process. The first and last enzymes catalyzing the CoA biosynthetic pathway are associated with two neurological conditions, namely pantothenate kinase-associated neurodegeneration (PKAN) and COASY protein-associated neurodegeneration (CoPAN), which belong to the heterogeneous group of neurodegenerations with brain iron accumulation (NBIA), while the second and third enzymes are linked to a rapidly fatal dilated cardiomyopathy. There is still limited information about the pathogenesis of these diseases, and the knowledge gaps need to be resolved in order to develop potential therapeutic approaches. This review aims to provide a summary of CoA metabolism and functions, and a comprehensive overview of what is currently known about disorders associated with its biosynthesis, including available preclinical models, proposed pathomechanisms, and potential therapeutic approaches.
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Affiliation(s)
- Chiara Cavestro
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20126 Milan, Italy
| | - Daria Diodato
- Unit of Muscular and Neurodegenerative Disorders, Ospedale Pediatrico Bambino Gesù, 00165 Rome, Italy
| | - Valeria Tiranti
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20126 Milan, Italy
| | - Ivano Di Meo
- Unit of Medical Genetics and Neurogenetics, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20126 Milan, Italy
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12
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Ye X, Liu J, Quan R, Lu Y, Zhang J. DKK1 affects survival of patients with head and neck squamous cell carcinoma by inducing resistance to radiotherapy and immunotherapy. Radiother Oncol 2023; 181:109485. [PMID: 36690301 DOI: 10.1016/j.radonc.2023.109485] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/21/2023]
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) have been approved to treat various types of tumors, including head and neck squamous cell carcinoma (HNSC). However, most HNSC patients do not respond to ICIs. Radioimmunotherapy has been proposed to enhance the immune response rate in HNSC. Dickkopf-1 (DKK1), a secreted protein, plays important roles in the Wnt signaling pathways. Herein, we aimed to explore the effect of DKK1 on radioimmunotherapy in HNSC. METHODS We collected the gene expression profile and clinical information of HNSC patients from TCGA and GEO databases. The immune cell infiltration and immune score were assessed using R package CIBERSORT and ESTIMATE. The level of related pathways and biological processes were analyzed by GSEA. The signature scores of gene sets of interest were calculated by GSVA. We also performed cell viability and apoptosis assay, and clonogenic assay to investigate the radiation sensitivity of HSC-3 cells and CNE-2 cells after silencing DKK1 by siRNA. RESULTS We found DKK1 was significantly higher expressed in HNSC, and closely correlated with patients' survival time, especially the patients who received radiotherapy. DKK1-knockdown HSC-3 cells or CNE-2 cells showed a decrease in cell viability and colony formation, and an increase in apoptotic rate after radiation. DKK1high tumors showed a more immunosuppressive microenvironment with lower infiltration of T cells and higher infiltration of marrow-derived suppressor cells (MDSCs). CONCLUSION Our data show that DKK1 can affect both radiotherapy and immunotherapy in HNSC, suggesting that DKK1 can be a potential target for radioimmunology in HNSC.
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Affiliation(s)
- Xinyu Ye
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jingwen Liu
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Rencui Quan
- Department of Radiation Oncology, Shenzhen People's Hospital, The First Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yi Lu
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Jian Zhang
- School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China.
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13
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Tessmann JW, Rocha MR, Morgado-Díaz JA. Mechanisms of radioresistance and the underlying signaling pathways in colorectal cancer cells. J Cell Biochem 2023; 124:31-45. [PMID: 36565460 DOI: 10.1002/jcb.30361] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 11/23/2022] [Accepted: 12/13/2022] [Indexed: 12/25/2022]
Abstract
Radiotherapy is one of the most common modalities for the treatment of a wide range of tumors, including colorectal cancer (CRC); however, radioresistance of cancer cells remains a major limitation for this treatment. Following radiotherapy, the activities of various cellular mechanisms and cell signaling pathways are altered, resulting in the development of radioresistance, which leads to therapeutic failure and poor prognosis in patients with cancer. Furthermore, even though several inhibitors have been developed to target tumor resistance, these molecules can induce side effects in nontumor cells due to low specificity and efficiency. However, the role of these mechanisms in CRC has not been extensively studied. This review discusses recent studies regarding the relationship between radioresistance and the alterations in a series of cellular mechanisms and cell signaling pathways that lead to therapeutic failure and tumor recurrence. Our review also presents recent advances in the in vitro/in vivo study models aimed at investigating the radioresistance mechanism in CRC. Furthermore, it provides a relevant biochemical basis in theory, which can be useful to improve radiotherapy sensitivity and prolong patient survival.
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Affiliation(s)
- Josiane W Tessmann
- Cellular and Molecular Oncobiology Program, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Murilo R Rocha
- Cellular and Molecular Oncobiology Program, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | - Jose A Morgado-Díaz
- Cellular and Molecular Oncobiology Program, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
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14
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Zhang R, Gan W, Zong J, Hou Y, Zhou M, Yan Z, Li T, Lv S, Zeng Z, Wang W, Zhang F, Yang M. Developing an m5C regulator-mediated RNA methylation modification signature to predict prognosis and immunotherapy efficacy in rectal cancer. Front Immunol 2023; 14:1054700. [PMID: 36911744 PMCID: PMC9992543 DOI: 10.3389/fimmu.2023.1054700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/09/2023] [Indexed: 02/24/2023] Open
Abstract
Background Currently, a very small number of patients with colorectal cancer (CRC) respond to immune checkpoint inhibitor (ICI) treatment. Therefore, there is an urgent need to investigate effective biomarkers to determine the responsiveness to ICI treatment. Recently, aberrant 5-methylcytosine (m5C) RNA modification has emerged as a key player in the pathogenesis of cancer. Thus, we aimed to explore the predictive signature based on m5C regulator-related genes for characterizing the immune landscapes and predicting the prognosis and response to therapies. Methods The Cancer Genome Atlas (TCGA) cohort was used as the training set, while GEO data sets, real-time quantitative PCR (RT-qPCR) analysis from paired frozen tissues, and immunohistochemistry (IHC) data from tissue microarray (TMA) were used for validation. We constructed a novel signature based on three m5C regulator-related genes in patients with rectal adenocarcinoma (READ) using a least absolute shrinkage and selection operator (LASSO)-Cox regression and unsupervised consensus clustering analyses. Additionally, we correlated the three-gene signature risk model with the tumor immune microenvironment, immunotherapy efficiency, and potential applicable drugs. Results The m5C methylation-based signature was an independent prognostic factor, where low-risk patients showed a stronger immunoreactivity phenotype and a superior response to ICI therapy. Conversely, the high-risk patients had enriched pathways of cancer hallmarks and presented immune-suppressive state, which demonstrated that they are more insensitive to immunotherapy. Additionally, the signature markedly correlated with drug susceptibility. Conclusions We developed a reliable m5C regulator-based risk model to predict the prognosis, clarify the molecular and tumor microenvironment status, and identify patients who would benefit from immunotherapy or chemotherapy. Our study could provide vital guidance to improve prognostic stratification and optimize personalized therapeutic strategies for patients with rectal cancer.
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Affiliation(s)
- Rixin Zhang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenqiang Gan
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jinbao Zong
- Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, China.,Qingdao Hospital of Traditional Chinese Medicine, The Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao, China
| | - Yufang Hou
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mingxuan Zhou
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zheng Yan
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tiegang Li
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Silin Lv
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zifan Zeng
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weiqi Wang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fang Zhang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Min Yang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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15
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Ginsenoside Rg3 enhances the radiosensitivity of lung cancer A549 and H1299 cells via the PI3K/AKT signaling pathway. In Vitro Cell Dev Biol Anim 2023; 59:19-30. [PMID: 36790693 DOI: 10.1007/s11626-023-00749-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/30/2023] [Indexed: 02/16/2023]
Abstract
Lung cancer is one of the most common cancers and the leading cause of cancer-related deaths in the world. Radiation is widely used for the treatment of lung cancer. However, radioresistance and toxicity limit its effectiveness. Ginsenoside Rg3 (Rg3) is a positive monomer extracted from ginseng and has been shown to the anti-cancer ability on many tumors. The aim of the present study was to ascertain whether Rg3 is able to enhance the radiosensitivity of lung cancer cells and investigate the underlying mechanisms. The effect of Rg3 on cell proliferation was examined by Cell Counting Kit-8 (CCK-8) and radiosensitivity was measured by colony formation assay. Flow cytometry, transwell, and wound healing assay were used to determine apoptosis, cell cycle, and metastasis. Western blot was used to detect the main protein levels of the PI3K/AKT signaling pathway. We found that Rg3 inhibited cell proliferation, promoted apoptosis, and suppressed migration and invasion in radio-induced lung cancer cells. In addition, Rg3 increased the proportion of G2/M phase cells and inhibited the formation of cell colonies. Moreover, Rg3 decreased the expression levels of PI3K, p-AKT, and PDK1 in radio-induced cells. These findings indicate that Rg3 may be able to enhance the radiosensitivity in lung cancer cells by the PI3K/AKT signaling pathway. These results demonstrate the therapeutic potential of Rg3 as a radiosensitizer for lung cancer.
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16
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Lemaitre F, Chakrama F, O’Grady T, Peulen O, Rademaker G, Deward A, Chabot B, Piette J, Colige A, Lambert C, Dequiedt F, Habraken Y. The transcription factor c-Jun inhibits RBM39 to reprogram pre-mRNA splicing during genotoxic stress. Nucleic Acids Res 2022; 50:12768-12789. [PMID: 36477312 PMCID: PMC9825188 DOI: 10.1093/nar/gkac1130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 10/31/2022] [Accepted: 11/10/2022] [Indexed: 12/13/2022] Open
Abstract
Genotoxic agents, that are used in cancer therapy, elicit the reprogramming of the transcriptome of cancer cells. These changes reflect the cellular response to stress and underlie some of the mechanisms leading to drug resistance. Here, we profiled genome-wide changes in pre-mRNA splicing induced by cisplatin in breast cancer cells. Among the set of cisplatin-induced alternative splicing events we focused on COASY, a gene encoding a mitochondrial enzyme involved in coenzyme A biosynthesis. Treatment with cisplatin induces the production of a short isoform of COASY lacking exons 4 and 5, whose depletion impedes mitochondrial function and decreases sensitivity to cisplatin. We identified RBM39 as a major effector of the cisplatin-induced effect on COASY splicing. RBM39 also controls a genome-wide set of alternative splicing events partially overlapping with the cisplatin-mediated ones. Unexpectedly, inactivation of RBM39 in response to cisplatin involves its interaction with the AP-1 family transcription factor c-Jun that prevents RBM39 binding to pre-mRNA. Our findings therefore uncover a novel cisplatin-induced interaction between a splicing regulator and a transcription factor that has a global impact on alternative splicing and contributes to drug resistance.
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Affiliation(s)
| | | | - Tina O’Grady
- Laboratory of Gene Expression and Cancer, GIGA-Molecular Biology of Diseases, B34, University of Liège, Liège 4000, Belgium
| | - Olivier Peulen
- Metastasis Research Laboratory, GIGA-Cancer, B23, University of Liège, Liège 4000, Belgium
| | - Gilles Rademaker
- Metastasis Research Laboratory, GIGA-Cancer, B23, University of Liège, Liège 4000, Belgium
| | - Adeline Deward
- Laboratory of Virology and Immunology, GIGA-Molecular Biology of Diseases, B34, University of Liège, Liège 4000, Belgium
| | - Benoit Chabot
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences. Université de Sherbrooke, Sherbrooke, Québec, Canada
| | - Jacques Piette
- Laboratory of Virology and Immunology, GIGA-Molecular Biology of Diseases, B34, University of Liège, Liège 4000, Belgium
| | - Alain Colige
- Laboratory of Connective Tissues Biology, GIGA-Cancer, B23, University of Liège, Liège 4000, Belgium
| | - Charles Lambert
- Laboratory of Connective Tissues Biology, GIGA-Cancer, B23, University of Liège, Liège 4000, Belgium
| | - Franck Dequiedt
- Correspondence may also be addressed to Franck Dequiedt. Tel: +32 366 9028;
| | - Yvette Habraken
- To whom correspondence should be addressed. Tel: +32 4 366 2447; Fax: +32 4 366 4198;
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17
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Wen JY, Fang YY, Chen G, He RQ, Huang HQ, Wang RS, Zeng DT, Huang WJ, Qin XG. Upregulation of the transmembrane protease serine 3 mRNA level in radioresistant colorectal cancer tissues. Biomark Med 2022; 16:693-715. [PMID: 35543030 DOI: 10.2217/bmm-2021-0649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To investigate the clinical role of transmembrane protease serine 3 (TMPRSS3) in radioresistance and prognosis of colorectal cancer (CRC). Methods: Standardized mean difference (SMD) and summary area under the curve (AUC) of TMPRSS3 were calculated by combining all available high-throughput data globally. The prognostic significance of TMPRSS3 was determined by Kaplan-Meier and Cox regression analyses. Results: TMPRSS3 was remarkably upregulated in 198 CRC radioresistant cases compared with nonradioresistance (SMD = 0.38, AUC = 0.71). Overexpression of TMPRSS3 was observed in 1601 CRC patients compared with control subjects without CRC. TMPRSS3 was a risk factor for disease-free survival of CRC with the summarized hazard ratio 1.28. Conclusion: TMPRSS3 contributes to the radioresistance and unfavorable prognosis of CRC.
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Affiliation(s)
- Jia-Ying Wen
- Department of Radiotherapy, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Ye-Ying Fang
- Department of Radiotherapy, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Gang Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Rong-Quan He
- Department of Medical Oncology, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - He-Qing Huang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Ren-Sheng Wang
- Department of Radiotherapy, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
| | - Da-Tong Zeng
- Department of Pathology, Redcross Hospital of Yulin city, no. 1 Jinwang Rd, Yuzhou District, Yulin City, Guangxi Zhuang Autonomous Region, 537000, PR China
| | - Wei-Jian Huang
- Department of Pathology, Redcross Hospital of Yulin city, no. 1 Jinwang Rd, Yuzhou District, Yulin City, Guangxi Zhuang Autonomous Region, 537000, PR China
| | - Xin-Gan Qin
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangxi Medical University, no. 6 Shuangyong Rd, Nanning, Guangxi Zhuang Autonomous Region, 530021, PR China
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18
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Zhou Y, Wang D, Tan F, Zhou Z, Zhao L, Güngör C, Pei Q, Li Y, Liu W. The survival impact of radiotherapy on synchronous metastatic rectal cancer: metastatic site can serve for radiotherapy-decision. J Cancer 2022; 13:2171-2178. [PMID: 35517420 PMCID: PMC9066223 DOI: 10.7150/jca.70894] [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: 01/10/2022] [Accepted: 03/19/2022] [Indexed: 12/24/2022] Open
Abstract
Purpose: The metastatic site seems to represent a malignancy with a different biological characteristic. Radiotherapy, as a successful, well-tolerated, cost-effective and time-efficient intervention, is able to provide clear benefits for the treatment of locally advanced rectal cancer and has become an essential component of palliative oncology care. The real-world effect of radiotherapy on the survival outcomes of metastatic rectal cancer (mRC) patients might do exist and was worth exploring. Patients and methods: Data were extracted from the Surveillance, Epidemiology, and End Results (SEER) database in this retrospective analysis. The statistical methods included Pearson's chi-square test, Log-rank test, Cox regression model and propensity score matching (PSM). Results: The multivariable Cox regression displayed that radiotherapy may not be used as a prognostic factor for mRC (p=0.057). However, radiotherapy may be associated with the prognosis if the metastatic site was excluded from the multivariate analysis (p<0.001). Radiotherapy seemed to fail to improve OS before PSM (p<0.001) and after PSM without the metastatic site as a matching factor (p<0.001). Nevertheless, there was no significant survival difference between radiotherapy and non-radiotherapy cohort after PSM with the metastatic site as a matching factor (p=0.057). All of M1a rectal cancer patients appear to obtain survival benefit from radiotherapy without the impact of PSM (p<0.001). Notwithstanding, radiotherapy was associated with improved OS of patients with rectal liver-limited metastasis (p=0.023) and did not appear to provide survival benefit for rectal lung-limited (p=0.386) and other-limited metastasis (p=0.385). Both of M1b mRC with and without liver metastasis did not seem to obtain survival benefit from radiotherapy. Conclusions: Carefully selected data from the SEER database suggested that radiotherapy appears to improve overall survival only in patients with rectal liver-limited metastasis.
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Affiliation(s)
- Yuan Zhou
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Dan Wang
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of General Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Fengbo Tan
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhongyi Zhou
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Lilan Zhao
- Department of Thoracic surgery, Fujian Provincial Hospital, Fuzhou, China
| | - Cenap Güngör
- Department of General Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Qian Pei
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuqiang Li
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of General Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wenxue Liu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Cardiology, Xiangya Hospital, Central South University, Changsha, China
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19
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Liao Q, Gao X. Tribbles homolog 3 contributes to high glucose-induced injury in retinal pigment epithelial cells via binding to growth factor receptor-bound 2. Bioengineered 2022; 13:10386-10398. [PMID: 35465829 PMCID: PMC9161919 DOI: 10.1080/21655979.2022.2056315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Diabetic retinopathy (DR) is the most typical complication of diabetes, which severely threatens sight. Tribbles homolog 3 (TRB3), a kind of pseudokinase, is discovered to be highly expressed in diabetes and retinas after retinal detachment. TRB3 expression in human retinal pigment epithelial (hRPE) cells exposed to different concentrations of glucose was tested by RT-qPCR and western blot. Then, cells were induced with 30 mM high glucose (HG) to establish a DR cell model. Following TRB3 knockdown, cell viability estimation employed CCK-8 assay. The mRNA levels of inflammatory factors were detected by RT-qPCR. Reactive oxygen species (ROS) level was measured by DCFH-DA assay, and levels of oxidative stress markers were evaluated applying corresponding kits. Cell apoptosis was assayed by TUNEL assay and western blot. Following, the growth factor receptor-bound 2 (GRB2) expression was also examined by RT-qPCR and western blot. The interaction between TRB3 and GRB2 was verified by Co-IP assay. After GRB2 was overexpressed in HG-induced hRPE cells transfected with shRNA-TRB3, functional experiments were conducted again. The results manifested that TRB3 expression was elevated under HG conditions. Deficiency of TRB3 enhanced the viability while alleviated inflammation, oxidative stress, and apoptosis in HG-induced hRPE cells. GRB2 was also increased in HG-exposed hRPE cells. Moreover, GRB2 had a strong affinity with TRB3 and positively regulated by TRB3. After GRB2 overexpression, the effects of TRB3 knockdown on HG-stimulated hRPE cells were all reversed. Briefly, this study confirmed the promoting role of TRB3/GRB2 axis in the progression of DR.
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Affiliation(s)
- Qin Liao
- Department of Ophthalmology, Chengdu Second People’s Hospital, Chengdu, china
| | - Xuefeng Gao
- College of Management, Beijing Capital Normal University, Beijing
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20
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Chen L, Liu J, Wang L, Yang X, Jiang Q, Ji F, Xu Y, Fan X, Zhou Z, Fu C. Up-regulated FNDC1 accelerates stemness and chemoradiation resistance in colorectal cancer cells. Biochem Biophys Res Commun 2022; 602:84-90. [DOI: 10.1016/j.bbrc.2022.02.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/29/2022] [Accepted: 02/10/2022] [Indexed: 12/27/2022]
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21
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Miller KJ, Asim M. Unravelling the Role of Kinases That Underpin Androgen Signalling in Prostate Cancer. Cells 2022; 11:cells11060952. [PMID: 35326402 PMCID: PMC8946764 DOI: 10.3390/cells11060952] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 02/07/2023] Open
Abstract
The androgen receptor (AR) signalling pathway is the key driver in most prostate cancers (PCa), and is underpinned by several kinases both upstream and downstream of the AR. Many popular therapies for PCa that target the AR directly, however, have been circumvented by AR mutation, such as androgen receptor variants. Some upstream kinases promote AR signalling, including those which phosphorylate the AR and others that are AR-regulated, and androgen regulated kinase that can also form feed-forward activation circuits to promotes AR function. All of these kinases represent potentially druggable targets for PCa. There has generally been a divide in reviews reporting on pathways upstream of the AR and those reporting on AR-regulated genes despite the overlap that constitutes the promotion of AR signalling and PCa progression. In this review, we aim to elucidate which kinases—both upstream and AR-regulated—may be therapeutic targets and require future investigation and ongoing trials in developing kinase inhibitors for PCa.
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22
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Li M, Xiao Q, Venkatachalam N, Hofheinz RD, Veldwijk MR, Herskind C, Ebert MP, Zhan T. Predicting response to neoadjuvant chemoradiotherapy in rectal cancer: from biomarkers to tumor models. Ther Adv Med Oncol 2022; 14:17588359221077972. [PMID: 35222695 PMCID: PMC8864271 DOI: 10.1177/17588359221077972] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/14/2022] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) is a major contributor to cancer-associated morbidity worldwide and over one-third of CRC is located in the rectum. Neoadjuvant chemoradiotherapy (nCRT) followed by surgical resection is commonly applied to treat locally advanced rectal cancer (LARC). In this review, we summarize current and novel concepts of neoadjuvant therapy for LARC such as total neoadjuvant therapy and describe how these developments impact treatment response. Moreover, as response to nCRT is highly divergent in rectal cancers, we discuss the role of potential predictive biomarkers. We review recent advances in biomarker discovery, from a clinical as well as a histopathological and molecular perspective. Furthermore, the role of emerging predictive biomarkers derived from the tumor environment such as immune cell composition and gut microbiome is presented. Finally, we describe how different tumor models such as patient-derived cancer organoids are used to identify novel predictive biomarkers for chemoradiotherapy (CRT) in rectal cancer.
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Affiliation(s)
- Moying Li
- Medical Faculty Mannheim, Heidelberg
University, Mannheim
| | - Qiyun Xiao
- Department of Medicine II, Mannheim University
Hospital, Medical Faculty Mannheim, Heidelberg University, Mannheim,
Germany
| | - Nachiyappan Venkatachalam
- Department of Medicine II, Mannheim University
Hospital, Medical Faculty Mannheim, Heidelberg University, Mannheim,
Germany
| | - Ralf-Dieter Hofheinz
- Department of Medicine III, Mannheim University
Hospital, Medical Faculty Mannheim, Heidelberg University, Mannheim,
GermanyMannheim Cancer Center, Medical Faculty Mannheim, Heidelberg
University, Mannheim, Germany
| | - Marlon R. Veldwijk
- Department of Radiation Oncology, Mannheim
University Hospital, Medical Faculty Mannheim, Heidelberg University,
Mannheim, Germany
| | - Carsten Herskind
- Department of Radiation Oncology, Mannheim
University Hospital, Medical Faculty Mannheim, Heidelberg University,
Mannheim, Germany
| | - Matthias P. Ebert
- Department of Medicine II, Mannheim University
Hospital, Medical Faculty Mannheim, Heidelberg University, Mannheim,
GermanyMannheim Cancer Center, Medical Faculty Mannheim, Heidelberg
University, Mannheim, GermanyDKFZ-Hector Cancer Institute, University
Medical Center Mannheim, Mannheim, Germany
| | - Tianzuo Zhan
- Department of Internal Medicine II, Mannheim
University Hospital, Medical Faculty Mannheim, Heidelberg University,
Theodor-Kutzer-Ufer 1-3, D-68167 Mannheim, GermanyMannheim Cancer Center,
Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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23
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Larionova I, Rakina M, Ivanyuk E, Trushchuk Y, Chernyshova A, Denisov E. Radiotherapy resistance: identifying universal biomarkers for various human cancers. J Cancer Res Clin Oncol 2022; 148:1015-1031. [PMID: 35113235 DOI: 10.1007/s00432-022-03923-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 01/12/2022] [Indexed: 12/16/2022]
Abstract
Radiotherapy (RT) is considered as a standard in the treatment of most solid cancers, including glioblastoma, lung, breast, rectal, prostate, colorectal, cervical, esophageal, and head and neck cancers. The main challenge in RT is tumor cell radioresistance associated with a high risk of locoregional relapse and distant metastasis. Despite significant progress in understanding mechanisms of radioresistance, its prediction and overcoming remain unresolved. This review presents the state-of-the-art for the potential universal biomarkers correlated to the radioresistance and poor outcome in different cancers. We describe radioresistance biomarkers functionally attributed to DNA repair, signal transduction, hypoxia, and angiogenesis. We also focus on high throughput genetic and proteomic studies, which revealed a set of molecular biomarkers related to radioresistance. In conclusion, we discuss biomarkers which are overlapped in most several cancers.
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Affiliation(s)
- Irina Larionova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia.
| | - Militsa Rakina
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, Tomsk, 634050, Tomsk, Russia
| | - Elena Ivanyuk
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Yulia Trushchuk
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Alena Chernyshova
- Department of Gynecologic Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
| | - Evgeny Denisov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, 634009, Tomsk, Russia
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24
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Smithson M, Irwin R, Williams G, Alexander KL, Smythies LE, Nearing M, McLeod MC, Al Diffalha S, Bellis SL, Hardiman KM. Sialyltransferase ST6GAL-1 mediates resistance to chemoradiation in rectal cancer. J Biol Chem 2022; 298:101594. [PMID: 35041825 PMCID: PMC8857646 DOI: 10.1016/j.jbc.2022.101594] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/08/2022] [Accepted: 01/10/2022] [Indexed: 12/14/2022] Open
Abstract
Locally advanced rectal cancer is typically treated with chemoradiotherapy followed by surgery. Most patients do not display a complete response to chemoradiotherapy, but resistance mechanisms are poorly understood. ST6GAL-1 is a sialyltransferase that adds the negatively charged sugar, sialic acid (Sia), to cell surface proteins in the Golgi, altering their function. We therefore hypothesized that ST6GAL-1 could mediate resistance to chemoradiation in rectal cancer by inhibiting apoptosis. Patient-derived xenograft and organoid models of rectal cancer and rectal cancer cell lines were assessed for ST6GAL-1 protein with and without chemoradiation treatment. ST6GAL-1 mRNA was assessed in untreated human rectal adenocarcinoma by PCR assays. Samples were further assessed by Western blotting, Caspase-Glo apoptosis assays, and colony formation assays. The presence of functional ST6GAL-1 was assessed via flow cytometry using the Sambucus nigra lectin, which specifically binds cell surface α2,6-linked Sia, and via lectin precipitation. In patient-derived xenograft models of rectal cancer, we found that ST6GAL-1 protein was increased after chemoradiation in a subset of samples. Rectal cancer cell lines demonstrated increased ST6GAL-1 protein and cell surface Sia after chemoradiation. ST6GAL-1 was also increased in rectal cancer organoids after treatment. ST6GAL-1 knockdown in rectal cancer cell lines resulted in increased apoptosis and decreased survival after treatment. We concluded that ST6GAL-1 promotes resistance to chemoradiotherapy by inhibiting apoptosis in rectal cancer cell lines. More research will be needed to further elucidate the importance and mechanism of ST6GAL-1-mediated resistance.
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Affiliation(s)
- Mary Smithson
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294.
| | - Regina Irwin
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Gregory Williams
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Katie L Alexander
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Lesley E Smythies
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Marie Nearing
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Al 35294
| | - M Chandler McLeod
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Sameer Al Diffalha
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Susan L Bellis
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Al 35294
| | - Karin M Hardiman
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Al 35294; Department of Surgery, Birmingham Veterans Affairs Medical Center, Birmingham, Al 35233
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Momma T, Okayama H, Kanke Y, Fukai S, Onozawa H, Fujita S, Sakamoto W, Saito M, Ohki S, Kono K. Validation of Gene Expression-Based Predictive Biomarkers for Response to Neoadjuvant Chemoradiotherapy in Locally Advanced Rectal Cancer. Cancers (Basel) 2021; 13:cancers13184642. [PMID: 34572869 PMCID: PMC8467397 DOI: 10.3390/cancers13184642] [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: 08/02/2021] [Revised: 09/03/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Neoadjuvant chemoradiotherapy (nCRT) followed by surgery is widely used for patients with locally advanced rectal cancer. However, response to nCRT varies substantially among patients, highlighting the need for predictive biomarkers that can distinguish non-responsive from responsive patients before nCRT. This study aimed to build novel multi-gene assays for predicting nCRT response, and to validate our signature and previously-reported signatures in multiple independent cohorts. METHODS Three microarray datasets of pre-therapeutic biopsies containing a total of 61 non-responders and 53 responders were used as the discovery cohorts to screen for genes that were consistently associated with nCRT response. The predictive values of signatures were tested in a meta-analysis using six independent datasets as the validation cohorts, consisted of a total of 176 non-responders and 99 responders. RESULTS We identified four genes, including BRCA1, GPR110, TNIK, and WDR4 in the discovery cohorts. Although our 4-gene signature and nine published signatures were evaluated, they were unable to predict nCRT response in the validation cohorts. CONCLUSIONS Although this is one of the largest studies addressing the validity of gene expression-based classifiers using pre-treatment biopsies from patients with rectal cancer, our findings do not support their clinically meaningful values to be predictive of nCRT response.
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Affiliation(s)
- Tomoyuki Momma
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Hirokazu Okayama
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
- Correspondence: ; Tel.: +81-24-547-1259
| | - Yasuyuki Kanke
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Satoshi Fukai
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Hisashi Onozawa
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Shotaro Fujita
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Wataru Sakamoto
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Motonobu Saito
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
| | - Shinji Ohki
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
- Hospital Director, Shirakawa Kosei General Hospital, 2-1 Kamiyajiro, Shirakawa, Fukushima 961-0005, Japan
| | - Koji Kono
- Department of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan; (T.M.); (Y.K.); (S.F.); (H.O.); (S.F.); (W.S.); (M.S.); (S.O.); (K.K.)
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Yu Q, Zhang W, Zhou X, Shen W, Xing C, Yang X. Regulation of lnc-TLCD2-1 on Radiation Sensitivity of Colorectal Cancer and Comprehensive Analysis of Its Mechanism. Front Oncol 2021; 11:714159. [PMID: 34336703 PMCID: PMC8320535 DOI: 10.3389/fonc.2021.714159] [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: 05/24/2021] [Accepted: 06/29/2021] [Indexed: 12/16/2022] Open
Abstract
As is well known that colorectal cancer is the third most common cancer in the world, and radiation treatment plays a vital role in colorectal cancer therapy, but radiation resistance is a significant problem in the treatment of colorectal cancer. As an important member of the non-coding RNA family, long non-coding RNAs (lncRNAs) have been found that it plays a role in the occurrence and progression of colorectal cancer in recent years. However, little is known about the effect of lncRNA on colorectal cancer sensitivity to radiotherapy. We found that lnc-TLCD2-1 was significantly differentially expressed in radiation-tolerant CCL244 cell lines and radiation-sensitive HCT116 cell lines, suggesting that lnc-TLCD2-1 may regulate the radiosensitivity of colorectal cancer, and the relevant underlying mechanism was investigated. Cell clone formation assay, flow cytometry, and cell counting kit 8 (CCK8) were used to detect radiation sensitivity, apoptosis, and proliferation of colorectal cancer cells, respectively; Quantitative real-time PCR and western blot were used to detect the expression of genes; the direct interaction between lnc-TLCD2-1 and hsa-miR-193a-5p was verified by dual luciferase reporter assays; GEPIA, Starbase, TIMER and DAVID were used to complete expression of lnc-TLCD2-1, miR-193a-5p,YY1 and NF-кB-P65 in colorectal cancer, correlation, immune cell infiltration, GO and KEGG enrichment analysis. Clinical prognostic analysis data were obtained from GSE17536 dataset. After radiotherapy for HCT116, the expression of lnc-TLCD2-1 was increased, and the expression of hsa-miR-193a-5p was significantly decreased, while that of CCL244 was the opposite, and the change range of lnc-TLCD2-1 was relatively small. HCT116 with overexpression of lnc-TLCD2-1 after radiation treatment, the number of cell colonies significantly increased, and cell apoptosis decreased compared with the negative control group. The cell colonies and apoptosis of CCL244 with disturbed expression of lnc-TLCD2-1 were opposite to those of HCT116. Lnc-TLCD2-1 can regulate the expression of YY1/NF-кB-P65 by targeting miR-193a-5p. Lnc-TLCD2-1 can promote the proliferation of colorectal cancer. High expression of lnc-TLCD2-1 independently predicted a shorter survival. Lnc-TLCD2-1 is associated with radiation resistance and short survival in colorectal cancer patients. In addition, Lnc-TLCD2-1 can promote the proliferation of colorectal cancer. Our study provides a scientific basis for targeting lnc-TLCD2-1 in colorectal cancer radiation resistance interventions and selection of prognostic biomarker.
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Affiliation(s)
- Qifeng Yu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Wei Zhang
- Department of Radiology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Xin Zhou
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Wenqi Shen
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Chungen Xing
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaodong Yang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
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Li J, Lei C, Chen B, Zhu Q. LncRNA FGD5-AS1 Facilitates the Radioresistance of Breast Cancer Cells by Enhancing MACC1 Expression Through Competitively Sponging miR-497-5p. Front Oncol 2021; 11:671853. [PMID: 34221989 PMCID: PMC8250440 DOI: 10.3389/fonc.2021.671853] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/26/2021] [Indexed: 12/26/2022] Open
Abstract
Background LncRNA-FGD5-AS1, as an oncogene, participates in the development and progress of various cancers. However, the exact role and the molecular mechanisms by which FGD5-AS1 regulates radiosensitivity in breast cancer (BC) remains largely unknown. Methods We used X-Ray weekly-dose-increase method to establish radiation-resistance cell lines. Bioinformatics tools analyze the expression of FGD5-AS1 in breast cancer tissue and evaluated the relationship between FGD5-AS1 and clinic-pathological features. CCK-8 and colony formation were used to analyze cell proliferation. Western blotting and qPCR were applied to detect protein and gene expression, respectively. RNA interference was used to knock down the endogenous gene expression. Luciferase reporter system and immunoprecipitates were applied to verify the target of FGD5-AS1. Result FGD5-AS1 was overexpressed in BC tissues and radiation-resistance cell lines. Higher levels of FGD5-AS1 predicted poorer clinical characteristics and prognosis. Loss-of-function FGD5-AS1 sensitized BC cells to X-ray, meanwhile, the cell gained radiation-resistance when exogenous FGD5-AS1 was expressed. FGD5-AS1 depletion arrested cells at G0/G1 and triggers cell apoptosis. The starBase database (ENCORI), predicted binding site of miR-497-5p in FGD5-AS1 sequence, and luciferase reporter system and immunoprecipitates verified miR-497-5p was the target of FGD5-AS1. Furthermore, MACC1 was predicted and verified as the target of miR-497-5p. Loss-of-function FGD5-AS1 sensitized ionizing radiation was rescued by the up-regulation of MACC1 and the inhibition of miR-497. Conclusion FGD5-AS1 displays an oncogene profile in CRC; patients with high expression of FGD5-AS1 should benefit less from radiotherapy and need a more frequent follow-up. Besides, FGD5-AS1 may be a potential therapeutic target for CRC.
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Affiliation(s)
- Ji Li
- Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Changjiang Lei
- Department of General Surgery, The Fifth Hospital of Wuhan, Wuhan, China
| | - Bineng Chen
- Department of Rehabilitation Medicine, The 910th Hospital of The People's Liberation Army Joint Logistics Support Unit, Quanzhou, China
| | - Qingfang Zhu
- Department of Radiology, China Resources & WISCO General Hospital, Wuhan University of Science and Technology, Wuhan, China
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De Oliveira T, Goldhardt T, Edelmann M, Rogge T, Rauch K, Kyuchukov ND, Menck K, Bleckmann A, Kalucka J, Khan S, Gaedcke J, Haubrock M, Beissbarth T, Bohnenberger H, Planque M, Fendt SM, Ackermann L, Ghadimi M, Conradi LC. Effects of the Novel PFKFB3 Inhibitor KAN0438757 on Colorectal Cancer Cells and Its Systemic Toxicity Evaluation In Vivo. Cancers (Basel) 2021; 13:1011. [PMID: 33671096 PMCID: PMC7957803 DOI: 10.3390/cancers13051011] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 02/14/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Despite substantial progress made in the last decades in colorectal cancer (CRC) research, new treatment approaches are still needed to improve patients' long-term survival. To date, the promising strategy to target tumor angiogenesis metabolically together with a sensitization of CRC to chemo- and/or radiotherapy by PFKFB3 (6-phosphofructo-2-kinase/fructose-2,6-biphosphatase-3) inhibition has never been tested. Therefore, initial evaluation and validation of newly developed compounds such as KAN0438757 and their effects on CRC cells are crucial steps preceding to in vivo preclinical studies, which in turn may consolidate new therapeutic targets. MATERIALS AND METHODS The efficiency of KAN0438757 to block PFKFB3 expression and translation in human CRC cells was evaluated by immunoblotting and real-time PCR. Functional in vitro assays assessed the effects of KAN0438757 on cell viability, proliferation, survival, adhesion, migration and invasion. Additionally, we evaluated the effects of KAN0438757 on matched patient-derived normal and tumor organoids and its systemic toxicity in vivo in C57BL6/N mice. RESULTS High PFKFB3 expression is correlated with a worse survival in CRC patients. KAN0438757 reduces PFKFB3 protein expression without affecting its transcriptional regulation. Additionally, a concentration-dependent anti-proliferative effect was observed. The migration and invasion capacity of cancer cells were significantly reduced, independent of the anti-proliferative effect. When treating colonic patient-derived organoids with KAN0438757 an impressive effect on tumor organoids growth was apparent, surprisingly sparing normal colonic organoids. No high-grade toxicity was observed in vivo. CONCLUSION The PFKFB3 inhibitor KAN0438757 significantly reduced CRC cell migration, invasion and survival. Moreover, on patient-derived cancer organoids KAN0438757 showed significant effects on growth, without being overly toxic in normal colon organoids and healthy mice. Our findings strongly encourage further translational studies to evaluate KAN0438757 in CRC therapy.
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Affiliation(s)
- Tiago De Oliveira
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Tina Goldhardt
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Marcus Edelmann
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Torben Rogge
- Institute of Organic and Biomolecular Chemistry, Tammannstraβe 2, 37077 Göttingen, Germany; (T.R.); (K.R.); (L.A.)
| | - Karsten Rauch
- Institute of Organic and Biomolecular Chemistry, Tammannstraβe 2, 37077 Göttingen, Germany; (T.R.); (K.R.); (L.A.)
| | - Nikola Dobrinov Kyuchukov
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Kerstin Menck
- Clinic of Hematology and Medical Oncology, University Medical Center Göttingen, Robert-Koch-Straße 40, 37075 Göttingen, Germany; (K.M.); (A.B.)
- Department of Medicine Medical Clinic A, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Annalen Bleckmann
- Clinic of Hematology and Medical Oncology, University Medical Center Göttingen, Robert-Koch-Straße 40, 37075 Göttingen, Germany; (K.M.); (A.B.)
- Department of Medicine Medical Clinic A, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Joanna Kalucka
- Department of Biomedicine, Aarhus University, Høegh-Guldbergs Gade 10, DK-Aarhus C, 8000 Aarhus, Denmark;
- Aarhus Institute of Advanced Studies (AIAS), Aarhus University, 8000 Aarhus, Denmark
| | - Shawez Khan
- National Center for Cancer Immune Therapy (CCIT-DK), Department of Oncology, Copenhagen University Hospital, 2730 Herlev, Denmark;
| | - Jochen Gaedcke
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Martin Haubrock
- Institute of Medical Bioinformatics, University Medical Center Göttingen, Goldschmidtstraße 1, 37077 Göttingen, Germany; (M.H.); (T.B.)
| | - Tim Beissbarth
- Institute of Medical Bioinformatics, University Medical Center Göttingen, Goldschmidtstraße 1, 37077 Göttingen, Germany; (M.H.); (T.B.)
| | - Hanibal Bohnenberger
- Institute of Pathology, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany;
| | - Mélanie Planque
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium; (M.P.); (S.-M.F.)
| | - Sarah-Maria Fendt
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium; (M.P.); (S.-M.F.)
| | - Lutz Ackermann
- Institute of Organic and Biomolecular Chemistry, Tammannstraβe 2, 37077 Göttingen, Germany; (T.R.); (K.R.); (L.A.)
| | - Michael Ghadimi
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
| | - Lena-Christin Conradi
- Clinic of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Robert-Koch-Straβe 40, 37075 Göttingen, Germany; (T.D.O.); (T.G.); (M.E.); (N.D.K.); (J.G.); (M.G.)
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He L, Chang H, Qi Y, Zhang B, Shao Q. ceRNA Networks: The Backbone Role in Neoadjuvant Chemoradiotherapy Resistance/Sensitivity of Locally Advanced Rectal Cancer. Technol Cancer Res Treat 2021; 20:15330338211062313. [PMID: 34908512 PMCID: PMC8689620 DOI: 10.1177/15330338211062313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/21/2021] [Accepted: 11/02/2021] [Indexed: 11/30/2022] Open
Abstract
Approximately 40% of rectal cancers during initial diagnosis are identified as locally advanced rectal cancers (LARCs), for which the standardized treatment scenario is total mesorectal excision following neoadjuvant chemoradiotherapy (nCRT). nCRT can lead to discernible reductions in local relapse rate and distant metastasis rate in LARC patients, in whom previously inoperable tumors may potentially be surgically removed. However, only 4% to 20% cases can attain pathological complete response, and the remaining patients who are unresponsive to nCRT have to suffer from the side effects plus toxicities and may encounter poor survival outcomes due to the late surgical intervention. As such, employing potential biomarkers to differentiate responders from nonresponders before nCRT implementation appears to be the overarching goal. Well-defined competing endogenous RNA (ceRNA) networks include long noncoding RNA (lncRNA)-microRNA (miRNA)-mRNA and circRNA-miRNA-mRNA networks. As ceRNAs, lncRNAs, and circRNAs sponge miRNAs to indirectly suppress miRNAs downstream of oncogenic mRNAs or tumor-suppressive mRNAs. The abnormal expression of mRNAs regulates the nCRT-induced DNA damage repair process through pluralistic carcinogenic signaling pathways, thereby bringing about alterations in the nCRT resistance/sensitivity of tumors. Moreover, many molecular mechanisms relevant to cell proliferation, metastasis, or apoptosis of cancers (eg, epithelial-mesenchymal transition and caspase-9-caspase-3 pathway) are influenced by ceRNA networks. Herein, we reviewed a large group of abnormally expressed mRNAs and noncoding RNAs that are associated with nCRT resistance/sensitivity in LARC patients and ultimately pinpointed the backbone role of ceRNA networks in the molecular mechanisms of nCRT resistance/sensitivity.
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Affiliation(s)
- Lin He
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau, SAR, China
| | - Hao Chang
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Yuhong Qi
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Bing Zhang
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
| | - Qiuju Shao
- Department of Radiotherapy, Tangdu Hospital, Air Force Military Medical University, Xi’an, Shaanxi Province, China
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Czumaj A, Szrok-Jurga S, Hebanowska A, Turyn J, Swierczynski J, Sledzinski T, Stelmanska E. The Pathophysiological Role of CoA. Int J Mol Sci 2020; 21:ijms21239057. [PMID: 33260564 PMCID: PMC7731229 DOI: 10.3390/ijms21239057] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 12/11/2022] Open
Abstract
The importance of coenzyme A (CoA) as a carrier of acyl residues in cell metabolism is well understood. Coenzyme A participates in more than 100 different catabolic and anabolic reactions, including those involved in the metabolism of lipids, carbohydrates, proteins, ethanol, bile acids, and xenobiotics. However, much less is known about the importance of the concentration of this cofactor in various cell compartments and the role of altered CoA concentration in various pathologies. Despite continuous research on these issues, the molecular mechanisms in the regulation of the intracellular level of CoA under pathological conditions are still not well understood. This review summarizes the current knowledge of (a) CoA subcellular concentrations; (b) the roles of CoA synthesis and degradation processes; and (c) protein modification by reversible CoA binding to proteins (CoAlation). Particular attention is paid to (a) the roles of changes in the level of CoA under pathological conditions, such as in neurodegenerative diseases, cancer, myopathies, and infectious diseases; and (b) the beneficial effect of CoA and pantethine (which like CoA is finally converted to Pan and cysteamine), used at pharmacological doses for the treatment of hyperlipidemia.
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Affiliation(s)
- Aleksandra Czumaj
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdańsk, Poland;
| | - Sylwia Szrok-Jurga
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Areta Hebanowska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Jacek Turyn
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Julian Swierczynski
- State School of Higher Vocational Education in Koszalin, 75-582 Koszalin, Poland;
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdańsk, Poland;
- Correspondence: (T.S.); (E.S.); Tel.: +48-(0)-583-491-479 (T.S.)
| | - Ewa Stelmanska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
- Correspondence: (T.S.); (E.S.); Tel.: +48-(0)-583-491-479 (T.S.)
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Kharabsheh HA, Scott JE. CoAsy knockdown in TNBC cell lines resulted in no overt effect on cell proliferation in vitro. Biochem Biophys Res Commun 2020; 530:136-141. [PMID: 32828275 DOI: 10.1016/j.bbrc.2020.06.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 12/17/2022]
Abstract
Triple-negative breast cancer (TNBC) remains the most challenging breast cancer subtype to treat. CoA synthase (CoAsy) is a bifunctional enzyme, encoded by the COASY gene, which catalyzes the last two steps of CoA biosynthesis. COASY has been reported as a hit in several large RNAi library screens for cancer. Therefore, we sought to investigate the dependency of TNBC cell line proliferation on CoAsy expression. Initially, knockdown of CoAsy expression was achieved by RNAi and reduced proliferation was observed in two TNBC cell lines, HCC1806 and MDA-MB-231. To further investigate the role of CoAsy, we established stable inducible shRNA cell lines from the same TNBC cell lines as well as the normal-like breast cell line MCF10A. Three separate cell lines, each expressing one of three different shRNA constructs targeting COASY, and a non-targeted shRNA control cell line were generated from each parent cell line. The induction of COASY shRNA for 4 days resulted in >99% knockdown of CoAsy for all three COASY shRNA constructs. However, this robust knockdown of CoAsy protein expression had no detectable impact on cell growth with 4-day induction times. Even 8-day induction times resulted in no apparent impact on cell growth. There was also no effect of CoAsy knockdown on the rate of cell migration. Measurement of CoA levels in cell lysates indicated that CoAsy knockdown reduced CoA to approximately half the normal level. Thus, CoAsy knockdown showed no detectable effect on the in vitro proliferation and migration of these cell lines possibly due to the cell's ability to maintain adequate levels of CoA through some unknown mechanism.
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Affiliation(s)
- Hamzah A Kharabsheh
- Department of Pharmaceutical Sciences, Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, NC, USA.
| | - John E Scott
- Department of Pharmaceutical Sciences, Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, NC, USA.
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Ferrandon S, Kalady MF. Identifying new targets for rectal cancer treatment. Oncoscience 2020; 7:36-37. [PMID: 32676515 PMCID: PMC7343572 DOI: 10.18632/oncoscience.508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 04/14/2020] [Indexed: 12/11/2022] Open
Affiliation(s)
- Sylvain Ferrandon
- Cancer Biology Department, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Matthew F Kalady
- Cancer Biology Department, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
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Tan Y, Shao R, Li J, Huang H, Wang Y, Zhang M, Cao J, Zhang J, Bu J. PITPNC1 fuels radioresistance of rectal cancer by inhibiting reactive oxygen species production. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:126. [PMID: 32175419 DOI: 10.21037/atm.2020.02.37] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Neoadjuvant radiotherapy is a commonly used method for the current standard-of-care for most patients with rectal cancer, when the effects of radioresistance are limited. The phosphatidylinositol transfer protein, cytoplasmic 1 (PITPNC1), a lipid-metabolism-related gene, has previously been proved to manifest pro-cancer effects in multiple types of cancer. However, whether PITPNC1 plays a role for developing radioresistance in rectal cancer patients is still unknown. Therefore, this study aims to investigate the role of PITPNC1 in rectal cancer radioresistance. Methods Patient-derived tissue were used to detect the difference in the expression level of PITPNC1 between radioresistant and radiosensitive patients. Bioinformatic analyses of high-throughput gene expression data were applied to uncover the correlations between PITPNC1 level and oxidative stress. Two rectal cancer cell lines, SW620, and HCT116, were selected in vitro to investigate the effect of PITPNC1 on radioresistance, reactive oxygen species (ROS) generation, apoptosis, and proliferation in rectal cancer. Results PITPNC1 is highly expressed in radioresistant patient-derived rectal cancer tissues compared to radiosensitive tissue; therefore, PITPNC1 inhibits the generation of ROS and improves the extent of radioresistance of rectal cancer cell lines and then inhibits apoptosis. Knocking down PITPNC1 facilitates the production of ROS while application of the ROS scavenger, N-acetyl-L-cysteine (NAC), could reverse this effect. Conclusions PITPNC1 fuels radioresistance of rectal cancer via the inhibition of ROS generation.
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Affiliation(s)
- Yujing Tan
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Ruoyang Shao
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jingyu Li
- Department of Pathology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Hongyun Huang
- Department of Abdominal Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanru Wang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Menglan Zhang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jianyun Cao
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junde Zhang
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junguo Bu
- Department of Radiation Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
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