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Elnegris HM, Abdelrahman AA, El-Roghy ES. The potential therapeutic effects of exosomes derived from bone marrow mesenchymal stem cells on ileum injury of a rat sepsis model (histological and immunohistochemical study). Ultrastruct Pathol 2024; 48:274-296. [PMID: 38946300 DOI: 10.1080/01913123.2024.2368011] [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: 02/01/2024] [Accepted: 06/11/2024] [Indexed: 07/02/2024]
Abstract
Sepsis denotes a serious high mortality concern. The study was designed to evaluate the effect of mesenchymal stem cell exosomes (MSC-exosomes) on the evolution of the animal model of sepsis. In this study, 36 rats were distributed into three groups, (I) controls, (II) LPS-treated, and (III) LPS+MSC-EVs. Sepsis was simulated by administering E. coli-LPS to the laboratory animals. Group III was given MSC-exosomes four hours after the LPS injection. Forty-eight hours later rats were sacrificed. Ileum samples were excised, and processed for the histological assessment, immunohistochemical identification of CD44, and inducible nitric oxide synthase (iNOS). Ileum homogenate was used to estimate tumor necrosis factor α (TNF α) besides Cyclooxygenase-2 (COX 2). PCR was used for the detection of interleukin 1α (IL‑1α), and interleukin 17 (IL‑17). Statistical and morphometrical analysis was done. The LPS-treated group showed increased TNF-α, IL‑1α, IL‑17, and decreased COX 2. LPS administration led to cytoplasmic vacuolization of enterocytes, an increase in the vasculature, and cellular infiltrations invaded the lamina propria. There was a significant rise in goblet cells and the proportion of collagen fibers. Ultrastructurally, the enterocytes displayed nuclear irregularity, rough endoplasmic reticulum (rER) dilatation, and increased mitochondria number. Sepsis induces a significant increase in iNOS and a decrease in CD44 immune expressions. LPS+MSC-EVs group restored normal ileum structure and revealed a significant elevation in CD44 and a reduction in iNOS immunoreactions. LPS-sepsis induced an obvious ileum inflammatory deterioration ameliorated by MSC-exosomes, mostly through their antioxidant, anti-inflammatory, and anti-apoptotic properties.
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Affiliation(s)
- Heba M Elnegris
- Department of Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
- Department of Histology and Cell Biology, Faculty of Medicine, Badr University in Cairo, Cairo, Egypt
| | - Abeer A Abdelrahman
- Biochemistry and Molecular Biology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Eman S El-Roghy
- Department of Histology and Cell Biology, Faculty of Medicine, Menoufia University, Shebin el Kom, Egypt
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2
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Deng H, Jia Q, Ming X, Sun Y, Lu Y, Liu L, Zhou J. Hippo pathway in intestinal diseases: focusing on ferroptosis. Front Cell Dev Biol 2023; 11:1291686. [PMID: 38130953 PMCID: PMC10734691 DOI: 10.3389/fcell.2023.1291686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023] Open
Abstract
The incidence of intestinal diseases, such as inflammatory bowel disease, gastric cancer, and colorectal cancer, has steadily increased over the past decades. The Hippo pathway is involved in cell proliferation, tissue and organ damage, energy metabolism, tumor formation, and other physiologic processes. Ferroptosis is a form of programmed cell death characterized by the accumulation of iron and lipid peroxides. The Hippo pathway and ferroptosis are associated with various intestinal diseases; however, the crosstalk between them is unclear. This review elaborates on the current research on the Hippo pathway and ferroptosis in the context of intestinal diseases. We summarized the connection between the Hippo pathway and ferroptosis to elucidate the underlying mechanism by which these pathways influence intestinal diseases. We speculate that a mutual regulatory mechanism exists between the Hippo pathway and ferroptosis and these two pathways interact in several ways to regulate intestinal diseases.
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Affiliation(s)
- Hongwei Deng
- Department of Anesthesiology, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
| | - Qiuting Jia
- Department of Anesthesiology, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
| | - Xin Ming
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
- School of Clinical Medicine, Southwest Medical University, Luzhou, China
| | - Yuxin Sun
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
- School of Basic Medicine, Southwest Medical University, Luzhou, China
| | - Yuxuan Lu
- Department of Anesthesiology, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
| | - Li Liu
- Department of Anesthesiology, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Jun Zhou
- Department of Anesthesiology, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Luzhou, China
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
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3
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Soliman F, Ye L, Jiang W, Hargest R. Targeting Hyaluronic Acid and Peritoneal Dissemination in Colorectal Cancer. Clin Colorectal Cancer 2021; 21:e126-e134. [PMID: 34955378 DOI: 10.1016/j.clcc.2021.11.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 10/30/2021] [Accepted: 11/22/2021] [Indexed: 11/03/2022]
Abstract
Peritoneal metastasis (PM) from colorectal cancer (CRC) carries a significant mortality rate for patients and treatment is challenging. The development of PM is a multistep process involving detachment, adhesion, invasion and colonization of the peritoneal cavity. Cytoreductive surgery and HIPEC (hyperthermic intraperitoneal chemotherapy) for PM from CRC has some benefit but overall survival is poor and recurrence rates are high. Treatments to prevent the development of peritoneal metastasis could have the potential to improve CRC survival and disease-free outcomes. The ability of cancer cells to invade the peritoneum and become established as metastatic tumors is influenced by a multifactorial process. Hyaluronic acid (HA) has been shown to coat the mesothelial cells of the peritoneum and has been demonstrated to be utilized in various malignancies as part of the metastatic process in peritoneal dissemination. CD44, RHAMM (CD168) and ICAM-1 have all been shown to be binding partners for HA. Targeting HA-mediated binding may prevent adhesion to distant sites within the peritoneum through suppression of interaction of these molecules. Here we review the current literature and discuss key molecules involved with PM dissemination, with the potential to target these mechanisms in the delivery of future treatments.
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Affiliation(s)
- Faris Soliman
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, School of Medicine, Cardiff University; Cardiff and Vale University Health Board.
| | - Lin Ye
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, School of Medicine, Cardiff University
| | - Wenguo Jiang
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, School of Medicine, Cardiff University
| | - Rachel Hargest
- Cardiff China Medical Research Collaborative, Division of Cancer and Genetics, School of Medicine, Cardiff University; Cardiff and Vale University Health Board
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4
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Márquez-González RM, Saucedo-Sariñana AM, Barros-Núñez P, Gallegos-Arreola MP, Pineda-Razo TD, Marin-Contreras ME, Flores-Martínez SE, Sánchez-Corona J, Rosales-Reynoso MA. CD44 Genotypes Are Associated with Susceptibility and Tumor Characteristics in Colorectal Cancer Patients. TOHOKU J EXP MED 2020; 250:109-119. [PMID: 32115493 DOI: 10.1620/tjem.250.109] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Colorectal cancer is the third cause of cancer and the second leading cause of death worldwide. The CD44 gene plays a key role in malignant processes, including growth, survival, epithelial to mesenchymal transition and metastasis. It is also known that some variants as rs187116 (c.67+4883G>A) and rs7116432 (c.2024+779A>G) can modulate the function of the CD44 gene and malignant transformation in several neoplasms. This study aims to explore, for the first time, the association of the CD44 rs187116 and rs7116432 variants in patients with colorectal cancer. Genomic DNA from 250 patients and 250 healthy blood donors were analyzed. The identification of variants was made by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) methodology. Association was calculated by the odds ratio (OR) test and multivariate analysis. Individuals carrying the G/A and A/A genotypes for the rs187116 polymorphism showed an increased risk for colorectal cancer (OR = 3.11, 95% CI: 1.87-5.16, P = 0.001 and OR = 3.59, 95% CI: 2.06-6.25, P = 0.001, respectively). After adjusting for age and gender, these same genotypes and the G/G genotype of the rs7116432 polymorphism were associated with TNM stage and tumor location in the colon. Moreover, the A-G (rs187116 and rs7116432) haplotype was associated with increased risk; while, the haplotype G-A (rs187116 and rs7116432) was related with decreased risk. In conclusion, our results suggest that the here analyzed CD44 variants are involved with risk, TNM stage and tumor location in colorectal cancer.
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Affiliation(s)
- Rosa María Márquez-González
- Molecular Medicine Division, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS)
| | | | - Patricio Barros-Núñez
- Research Unit of Metabolic Diseases, Pediatric UMAE, Instituto Mexicano del Seguro Social (IMSS)
| | | | | | | | | | - José Sánchez-Corona
- Molecular Medicine Division, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS)
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5
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Zeb2 drives invasive and microbiota-dependent colon carcinoma. ACTA ACUST UNITED AC 2020; 1:620-634. [DOI: 10.1038/s43018-020-0070-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/28/2020] [Indexed: 12/18/2022]
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6
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Altered expression of fibroblast activation protein-α (FAP) in colorectal adenoma-carcinoma sequence and in lymph node and liver metastases. Aging (Albany NY) 2020; 12:10337-10358. [PMID: 32428869 PMCID: PMC7346028 DOI: 10.18632/aging.103261] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/20/2020] [Indexed: 12/24/2022]
Abstract
Colorectal cancer (CRC) is a major health problem in elderly people because of its high incidence and high mortality rate. Despite early screening programs, more than half of CRC patients are diagnosed at advanced stages. Fibroblast activation protein-α (FAP) expression in cancer-associated fibroblasts (CAFs) has been associated with a higher risk of metastases and poor survival. Here, we have analyzed the immunohistochemical expression of FAP in 41 adenoma-carcinoma sequences. In addition, FAP expression was analyzed individually and in combination with β-catenin (BCAT), CD44 and Cyclin-D1 expression in primary tumors and in their corresponding lymph node and liver metastases (n=294). Finally, soluble FAP (sFAP) levels in plasma from CRC patients (n=127) were also analyzed by ELISA. FAP was expressed only in CRC tissue and its expression level was found to be higher in tumors exhibiting deeper local invasion and poorer cancer cell differentiation. FAP and concomitant nuclear BCAT expression in cancer cells at the infiltrating front of primary tumors and in lymph node metastases was independently associated with 5- and 10-year cancer specific and disease-free survival. Moreover, lower sFAP levels correlated with poorer survival. These findings support the potential importance of FAP as a biomarker of CRC development and progression.
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7
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Alvarado-Ortiz E, de la Cruz-López KG, Becerril-Rico J, Sarabia-Sánchez MA, Ortiz-Sánchez E, García-Carrancá A. Mutant p53 Gain-of-Function: Role in Cancer Development, Progression, and Therapeutic Approaches. Front Cell Dev Biol 2020; 8:607670. [PMID: 33644030 PMCID: PMC7905058 DOI: 10.3389/fcell.2020.607670] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/23/2020] [Indexed: 02/05/2023] Open
Abstract
Frequent p53 mutations (mutp53) not only abolish tumor suppressor capacities but confer various gain-of-function (GOF) activities that impacts molecules and pathways now regarded as central for tumor development and progression. Although the complete impact of GOF is still far from being fully understood, the effects on proliferation, migration, metabolic reprogramming, and immune evasion, among others, certainly constitute major driving forces for human tumors harboring them. In this review we discuss major molecular mechanisms driven by mutp53 GOF. We present novel mechanistic insights on their effects over key functional molecules and processes involved in cancer. We analyze new mechanistic insights impacting processes such as immune system evasion, metabolic reprogramming, and stemness. In particular, the increased lipogenic activity through the mevalonate pathway (MVA) and the alteration of metabolic homeostasis due to interactions between mutp53 and AMP-activated protein kinase (AMPK) and Sterol regulatory element-binding protein 1 (SREBP1) that impact anabolic pathways and favor metabolic reprograming. We address, in detail, the impact of mutp53 over metabolic reprogramming and the Warburg effect observed in cancer cells as a consequence, not only of loss-of-function of p53, but rather as an effect of GOF that is crucial for the imbalance between glycolysis and oxidative phosphorylation. Additionally, transcriptional activation of new targets, resulting from interaction of mutp53 with NF-kB, HIF-1α, or SREBP1, are presented and discussed. Finally, we discuss perspectives for targeting molecules and pathways involved in chemo-resistance of tumor cells resulting from mutp53 GOF. We discuss and stress the fact that the status of p53 currently constitutes one of the most relevant criteria to understand the role of autophagy as a survival mechanism in cancer, and propose new therapeutic approaches that could promote the reduction of GOF effects exercised by mutp53 in cancer.
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Affiliation(s)
- Eduardo Alvarado-Ortiz
- Programa de Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Secretaría de Salud, Mexico City, Mexico
| | - Karen Griselda de la Cruz-López
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Secretaría de Salud, Mexico City, Mexico
- Doctorado en Ciencias Biomédicas, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Jared Becerril-Rico
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Secretaría de Salud, Mexico City, Mexico
| | - Miguel Angel Sarabia-Sánchez
- Programa de Posgrado en Ciencias Bioquímicas, Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Elizabeth Ortiz-Sánchez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Secretaría de Salud, Mexico City, Mexico
| | - Alejandro García-Carrancá
- Laboratorio de Virus and Cáncer, Unidad de Investigación Biomédica en Cáncer, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México and Instituto Nacional de Cancerología, Secretaría de Salud, Mexico City, Mexico
- *Correspondence: Alejandro García-Carrancá
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8
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Tata P, Gondaliya P, Sunkaria A, Srivastava A, Kalia K. Modulation of CD44, EGFR and RAC Pathway Genes (WAVE Complex) in Epithelial Cancers. Curr Pharm Des 2019; 25:833-848. [PMID: 30799784 DOI: 10.2174/1381612825666190222143044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 02/13/2019] [Indexed: 12/12/2022]
Abstract
Cancer hallmarks help in understanding the diversity of various neoplasms. Epithelial cancers play an immense role in the tumor biology through Epithelial-Mesenchymal Transition (EMT) process. Receptor tyrosine kinase, as well as phosphatidyl ionositol-3 kinase pathways, play an important role in the regulation of cell proliferation, survival, and differentiation during EMT. Till date, numerous studies have shown modulation in the expression profile of potential targets like CD44, EGFR, and Rac in epithelial cancers. CD44 interacts with EGFR and recruits other molecules which further activate the Rac pathway intermediates. This review mainly focused on modulation of genes like CD44, EGFR, and Rac pathway intermediates which play a crucial role in the tumor progression, metastasis, proliferation, and invasion characteristics in epithelial cancers with EMT properties. Hence, targeting Rac pathway might be a more strategically relevant approach in treating epithelial cancers.
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Affiliation(s)
- Pranathi Tata
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Piyush Gondaliya
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Aditya Sunkaria
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Akshay Srivastava
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
| | - Kiran Kalia
- National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat-382355, India
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9
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Chen X, Guan H, Liu XD, Xie DF, Wang Y, Ma T, Huang B, Zhou PK. p53 positively regulates the expression of cancer stem cell marker CD133 in HCT116 colon cancer cells. Oncol Lett 2018; 16:431-438. [PMID: 29928431 DOI: 10.3892/ol.2018.8619] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 11/16/2017] [Indexed: 02/06/2023] Open
Abstract
Colon cancer stem cells (CSCs), which are highly capable of self-renewal and proliferation, are involved in colon tumorigenesis and response to therapy. CD133 is considered the most robust surface marker for colorectal cancer stem cells. Although the TP53 gene is frequently mutated in colon cancer, it remains not fully understood whether and how tumor protein p53 (p53) is associated with CD133 expression in colon cancer cells. In the present study, the expression of the CSC biomarker CD133 was investigated in terms of p53 status in colorectal carcinoma HCT116 cells. p53 wild-type HCT116 (HCT116 p53+/+) and depleted HCT116 (HCT116 p53-/-) cells were used throughout this study. Cells carrying the CSC biomarkers CD133 and CD44 were examined by flow cytometry. A dual-luciferase reporter assay was employed to further confirm the transcriptional regulation of the CD133 promoter by p53. The results demonstrated that there was a significant difference in the % of CD133-positive cells between the HCT116 p53+/+ cell line (84.84±0.05%) and the HCT116 p53-/- cell line (4.13±0.02%). The mRNA expression levels of CD133 in HCT116 p53+/+ cells were also significantly higher compared with HCT116 p53-/- cells. Knockdown of p53 by specific small interfering RNA greatly reduced the expression of CD133 in HCT116 p53+/+ cells. Transcription factor binding site analysis indicated that there are several p53 binding elements in the CD133 promoter region. A dual-luciferase reporter assay further demonstrated the transcriptional activation of CD133 promoter by p53. In conclusion, these results suggest that p53 positively regulates the expression of CSC marker CD133 in the HCT116 human colon colorectal cancer cell line. p53 may be involved in the initiation and maintenance of colorectal cancer stem cells through regulating the expression of CD133.
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Affiliation(s)
- Xia Chen
- Institute for Environmental Medicine and Radiation Hygiene, School of Public Health, University of South China, Hengyang, Hunan 421001, P.R. China.,Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Hua Guan
- Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Xiao-Dan Liu
- Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Da-Fei Xie
- Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Yu Wang
- Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Teng Ma
- Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
| | - Bo Huang
- Institute for Environmental Medicine and Radiation Hygiene, School of Public Health, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Ping-Kun Zhou
- Institute for Environmental Medicine and Radiation Hygiene, School of Public Health, University of South China, Hengyang, Hunan 421001, P.R. China.,Department of Radiation Toxicology and Oncology, Beijing Key Laboratory for Radiobiology, Beijing Institute of Radiation Medicine, Beijing 100850, P.R. China
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10
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Humphries HN, Wickremesekera SK, Marsh RW, Brasch HD, Mehrotra S, Tan ST, Itinteang T. Characterization of Cancer Stem Cells in Colon Adenocarcinoma Metastasis to the Liver. Front Surg 2018; 4:76. [PMID: 29404335 PMCID: PMC5786574 DOI: 10.3389/fsurg.2017.00076] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Accepted: 12/13/2017] [Indexed: 12/12/2022] Open
Abstract
Background Fifty percent of colorectal cancer (CRC) patients develop liver metastasis. This study identified and characterized cancer stem cells (CSCs) within colon adenocarcinoma metastasis to the liver (CAML). Methods 3,3-Diaminobenzidine immunohistochemical (IHC) staining was performed on nine CAML samples for embryonic stem cell (ESC) markers OCT4, SOX2, NANOG, c-Myc, and KLF4. Immunofluorescence (IF) IHC staining was performed to investigate coexpression of two markers. NanoString mRNA expression analysis and colorimetric in situ hybridization (CISH) were performed on four snap-frozen CAML tissue samples for transcript expression of these ESC markers. Cells stained positively and negatively for each marker by IHC and CISH staining were counted and analyzed. Results 3,3-Diaminobenzidine IHC staining, and NanoString and CISH mRNA analyses demonstrated the expression of OCT4, SOX2, NANOG, c-Myc, and KLF4 within in all nine CAML samples, except for SOX2 which was below detectable levels on NanoString mRNA analysis. IF IHC staining showed the presence of a SOX2+/NANOG+/KLF4+/c-Myc+/OCT− CSC subpopulation within the tumor nests, and a SOX2+/NANOG+/KLF4+/c-Myc+/OCT4− CSC subpopulation and a SOX2+/NANOG+/KLF4+/c-Myc+/OCT4+ CSC subpopulation within the peritumoral stroma. Conclusion The novel finding of three CSC subpopulations within CAML provides insights into the biology of CRC.
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Affiliation(s)
| | - Susrutha K Wickremesekera
- Gillies McIndoe Research Institute, Wellington, New Zealand.,Upper Gastrointestinal, Hepatobiliary and Pancreatic Section, Department of General Surgery, Wellington Regional Hospital, Wellington, New Zealand
| | - Reginald W Marsh
- Gillies McIndoe Research Institute, Wellington, New Zealand.,University of Auckland, Auckland, New Zealand
| | - Helen D Brasch
- Gillies McIndoe Research Institute, Wellington, New Zealand
| | | | - Swee T Tan
- Gillies McIndoe Research Institute, Wellington, New Zealand.,Wellington Regional Plastic, Maxillofacial and Burns Unit, Hutt Hospital, Wellington, New Zealand
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11
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Mutant p53 gain of function underlies high expression levels of colorectal cancer stem cells markers. Oncogene 2018; 37:1669-1684. [PMID: 29343849 PMCID: PMC6448595 DOI: 10.1038/s41388-017-0060-8] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 11/07/2017] [Accepted: 11/10/2017] [Indexed: 12/18/2022]
Abstract
Emerging notion in carcinogenesis ascribes tumor initiation and aggressiveness to cancer stem cells (CSCs). Specifically, colorectal cancer (CRC) development was shown to be compatible with CSCs hypothesis. Mutations in p53 are highly frequent in CRC, and are known to facilitate tumor development and aggressiveness. Yet, the fink between mutant p53 and colorectal CSCs is not well-established. In the present study, we set to examine whether oncogenic mutant p53 proteins may augment colorectal CSCs phenotype. By genetic manipulation of mutant p53 in several cellular systems, we demonstrated that mutant p53 enhances colorectal tumorigenesis. Moreover, mutant p53-expressing cell lines harbor larger sub-populationss of cells highly expressing the known colorectal CSCs markers: CD44, Lgr5, and ALDH. This elevated expression is mediated by mutant p53 binding to CD44, Lgr5, and ALDH1A1 promoter sequences. Furthermore, ALDH1 was found to be involved in mutant p53-dependent chemotherapy resistance. Finally, analysis of ALDH1 and CD44 in human CRC biopsies indicated a positive correlation between their expression and the presence of oncogenic p53 missense mutations. These findings suggest novel insights pertaining the mechanism by which mutant p53 enhances CRC development, which involves the expansion of CSCs sub-populations within CRC tumors, and underscore the importance of targeting these sub-populations for CRC therapy.
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12
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Cheng ZF, Pai RK, Cartwright CA. Rack1 function in intestinal epithelia: regulating crypt cell proliferation and regeneration and promoting differentiation and apoptosis. Am J Physiol Gastrointest Liver Physiol 2018; 314:G1-G13. [PMID: 28935684 PMCID: PMC5866376 DOI: 10.1152/ajpgi.00240.2017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 09/07/2017] [Accepted: 09/11/2017] [Indexed: 01/31/2023]
Abstract
Previously, we showed that receptor for activated C kinase 1 (Rack1) regulates growth of colon cells in vitro, partly by suppressing Src kinase activity at key cell cycle checkpoints, in apoptotic and cell survival pathways and at cell-cell adhesions. Here, we generated mouse models of Rack1 deficiency to assess Rack1's function in intestinal epithelia in vivo. Intestinal Rack1 deficiency resulted in proliferation of crypt cells, diminished differentiation of crypt cells into enterocyte, goblet, and enteroendocrine cell lineages, and expansion of Paneth cell populations. Following radiation injury, the morphology of Rack1-deleted small bowel was strikingly abnormal with development of large polypoid structures that contained many partly formed villi, numerous back-to-back elongated and regenerating crypts, and high-grade dysplasia in surface epithelia. These abnormalities were not observed in Rack1-expressing areas of intestine or in control mice. Following irradiation, apoptosis of enterocytes was strikingly reduced in Rack1-deleted epithelia. These novel findings reveal key functions for Rack1 in regulating growth of intestinal epithelia: suppressing crypt cell proliferation and regeneration, promoting differentiation and apoptosis, and repressing development of neoplasia. NEW & NOTEWORTHY Our findings reveal novel functions for receptor for activated C kinase 1 (Rack1) in regulating growth of intestinal epithelia: suppressing crypt cell proliferation and regeneration, promoting differentiation and apoptosis, and repressing development of neoplasia.
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Affiliation(s)
- Zhuan-Fen Cheng
- Department of Medicine, Stanford University , Stanford, California
| | - Reetesh K Pai
- Department of Pathology, University of Pittsburgh , Pittsburgh, Pennsylvania
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13
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Alamgeer M, Neil Watkins D, Banakh I, Kumar B, Gough DJ, Markman B, Ganju V. A phase IIa study of HA-irinotecan, formulation of hyaluronic acid and irinotecan targeting CD44 in extensive-stage small cell lung cancer. Invest New Drugs 2017; 36:288-298. [PMID: 29277856 DOI: 10.1007/s10637-017-0555-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 12/15/2017] [Indexed: 01/06/2023]
Abstract
Preclinical studies in small cell lung cancer (SCLC) have shown that hyaluronic acid (HA) can be effectively used to deliver chemotherapy and selectively decrease CD44 expressing (stem cell-like) tumour cells. The current study aimed to replicate these findings and obtain data on safety and activity of HA-irinotecan (HA-IR). Eligible patients with extensive stage SCLC were consented. A safety cohort (n = 5) was treated with HA-IR and Carboplatin (C). Subsequently, the patients were randomised 1:1 to receive experimental (HA-IR + C) or standard (IR + C) treatment, to a maximum of 6 cycles. The second line patients were added to the study and treated with open label HA-IR + C. Tumour response was measured after every 2 cycles. Baseline tumour specimens were stained for CD44s and CD44v6 expression. Circulating tumour cells (CTCs) were enumerated before each treatment cycle. Out of 39 patients screened, 34 were evaluable for the study. The median age was 66 (range 39-83). The overall response rates were 69% and 75% for experimental and standard arms respectively. Median progression free survival was 42 and 28 weeks, respectively (p = 0.892). The treatments were well tolerated. The incidence of grade III/IV diarrhea was more common in the standard arm, while anaemia was more common in the experimental arm. IHC analysis suggested that the patients with CD44s positive tumours may gain survival benefit from HA-IR. HA-IR is well tolerated and active in ES-SCLC. The effect of HA-IR on CD44s + cancer stem-like cells provide an early hint towards a potential novel target.
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Affiliation(s)
- Muhammad Alamgeer
- Department of Medical Oncology, Monash Medical Centre, 246 Clayton Road, Clayton, VIC, 3168, Australia. .,Centre for Cancer Research, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, VIC, 3168, Australia. .,Monash University, Wellington Road, Clayton, VIC, 3168, Australia.
| | - D Neil Watkins
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
| | - Ilia Banakh
- Monash University, Wellington Road, Clayton, VIC, 3168, Australia
| | - Beena Kumar
- Department of Pathology, Monash Medical Centre, 246 Clayton Road, Clayton, VIC, Australia
| | - Daniel J Gough
- Centre for Cancer Research, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, VIC, 3168, Australia
| | - Ben Markman
- Department of Medical Oncology, Monash Medical Centre, 246 Clayton Road, Clayton, VIC, 3168, Australia
| | - Vinod Ganju
- Centre for Cancer Research, Hudson Institute of Medical Research, 27-31 Wright Street, Clayton, VIC, 3168, Australia.,Monash University, Wellington Road, Clayton, VIC, 3168, Australia.,Peninsula and Southeast Oncology, Level 3 Frankston Private, 24-28 Frankston Flinders Road, Frankston, VIC, 3199, Australia
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14
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Fischer M. Census and evaluation of p53 target genes. Oncogene 2017; 36:3943-3956. [PMID: 28288132 PMCID: PMC5511239 DOI: 10.1038/onc.2016.502] [Citation(s) in RCA: 592] [Impact Index Per Article: 84.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 11/23/2016] [Accepted: 11/29/2016] [Indexed: 12/17/2022]
Abstract
The tumor suppressor p53 functions primarily as a transcription factor. Mutation of the TP53 gene alters its response pathway, and is central to the development of many cancers. The discovery of a large number of p53 target genes, which confer p53's tumor suppressor function, has led to increasingly complex models of p53 function. Recent meta-analysis approaches, however, are simplifying our understanding of how p53 functions as a transcription factor. In the survey presented here, a total set of 3661 direct p53 target genes is identified that comprise 3509 potential targets from 13 high-throughput studies, and 346 target genes from individual gene analyses. Comparison of the p53 target genes reported in individual studies with those identified in 13 high-throughput studies reveals limited consistency. Here, p53 target genes have been evaluated based on the meta-analysis data, and the results show that high-confidence p53 target genes are involved in multiple cellular responses, including cell cycle arrest, DNA repair, apoptosis, metabolism, autophagy, mRNA translation and feedback mechanisms. However, many p53 target genes are identified only in a small number of studies and have a higher likelihood of being false positives. While numerous mechanisms have been proposed for mediating gene regulation in response to p53, recent advances in our understanding of p53 function show that p53 itself is solely an activator of transcription, and gene downregulation by p53 is indirect and requires p21. Taking into account the function of p53 as an activator of transcription, recent results point to an unsophisticated means of regulation.
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Affiliation(s)
- M Fischer
- Molecular Oncology, Medical School, University of Leipzig, Leipzig, Germany
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
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15
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AA-NAT, MT1 and MT2 Correlates with Cancer Stem-Like Cell Markers in Colorectal Cancer: Study of the Influence of Stage and p53 Status of Tumors. Int J Mol Sci 2017; 18:ijms18061251. [PMID: 28604612 PMCID: PMC5486074 DOI: 10.3390/ijms18061251] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/05/2017] [Accepted: 06/07/2017] [Indexed: 12/15/2022] Open
Abstract
The characterization of colon cancer stem cells (CSCs) may help to develop novel diagnostic and therapeutic procedures. p53 loss increases the pool of CSCs in colorectal cancer (CRC). Recent reports suggest that the oncostatic effects of melatonin could be related to its ability to kill CSCs. Although there are no data linking the loss of p53 function and melatonin synthesis or signaling in cancer, melatonin does activate the p53 tumor-suppressor pathway in this disease. In this work, we analyze whether the expression of melatonin synthesis and signaling genes are related to the expression of CSC markers and the implication of p53 status in samples from patients with CRC. Arylalkylamine N-acetyltransferase (AA-NAT), MT1, and MT2 expression decreased in tumor samples versus normal mucosa samples in mutated p53 (mtp53) tumors versus those with wild-type p53 (wtp53). Further, AA-NAT and MT2 expression were lower in advanced stages of the disease in wtp53 tumors. On the contrary, CD44 and CD66c expression was higher in tumor versus normal mucosa in wtp53 tumors. Additionally, CD44 expression was higher in advanced stages of the disease regardless of the p53 status. Patients with CD44highCD66chigh and wtp53 tumors in advanced stages showed low expression of AA-NAT and MT2 in wtp53 tumors. These results could indicate a possible interaction of these pathways in CRC.
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16
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Özgül Özdemir RB, Özdemir AT, Oltulu F, Kurt K, Yiğittürk G, Kırmaz C. A comparison of cancer stem cell markers and nonclassical major histocompatibility complex antigens in colorectal tumor and noncancerous tissues. Ann Diagn Pathol 2016; 25:60-63. [PMID: 27806848 DOI: 10.1016/j.anndiagpath.2016.09.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 09/08/2016] [Accepted: 09/19/2016] [Indexed: 12/11/2022]
Abstract
Colorectal carcinoma (CRC) is one of the most fatal types of cancer in both women and men, and, unfortunately, patients are often diagnosed at an advanced stage. Cancer stem cells (CSCs) are associated with poor prognosis, metastasis, and recurrence, as well as chemotherapy and radiotherapy resistance. Therefore, different treatment alternatives are needed to facilitate the elimination of CSCs. One such approach is immunotherapy; however, tumor cells can evade immune cells by alteration of the expression patterns of human leukocyte antigens (HLA). In this study, we immunohistochemically investigated the expression patterns of CSC-specific markers CD44, CD133, Nanog, and Oct3/4, and immunosuppressive molecules HLA-G and -E in advanced CRC tumor tissues and noncancerous colon biopsies. We found significantly increased CD44, Nanog, Oct3/4, HLA-G, and HLA-E expression in the CRC tumor tissues compared with the noncancerous colon biopsies. These findings suggest that some tumor cells may be CSC-like and that the increased expression of HLA-G and HLA-E may be considered as an immune-evasive adaptation. Therefore, the nonclassical major histocompatibility complex class Ib antigens HLA-G and HLA-E may be potential targets in the elimination of CRC-CSCs. However, more detailed studies are required to support our findings.
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Affiliation(s)
| | - Alper Tunga Özdemir
- Ege University, Institute of Health Sciences, Department of Stem Cell, 35100 Izmir, Turkey.
| | - Fatih Oltulu
- Ege University, Medical School, Department of Histology and Embryology, 35100 Izmir, Turkey
| | - Kamile Kurt
- Merkezefendi State Hospital, Medical Pathology Laboratory, 45000 Manisa, Turkey
| | - Gürkan Yiğittürk
- Ege University, Medical School, Department of Histology and Embryology, 35100 Izmir, Turkey
| | - Cengiz Kırmaz
- Celal Bayar University, Medical School, Department of Internal Medicine, Division of Allergy and Clinical Immunology, 45050 Manisa, Turkey
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17
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Orian-Rousseau V, Schmitt M. CD44 regulates Wnt signaling at the level of LRP6. Mol Cell Oncol 2015; 2:e995046. [PMID: 27308483 PMCID: PMC4905321 DOI: 10.4161/23723556.2014.995046] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 12/01/2014] [Accepted: 12/02/2014] [Indexed: 11/19/2022]
Abstract
CD44 was recently identified as a positive feedback regulator of Wnt/β-catenin signaling. This regulation occurs at the level of low-density lipoprotein receptor-related protein 6 phosphorylation and membrane targeting. These findings broaden our understanding of the Wnt pathway activation process and open new perspectives for anti-CD44 therapies in diseases associated with Wnt induction, including colorectal cancer.
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Affiliation(s)
- Véronique Orian-Rousseau
- Karlsruhe Institute of Technology; Institute of Toxicology and Genetics ; Postfach , Karlsruhe, Germany
| | - Mark Schmitt
- Karlsruhe Institute of Technology; Institute of Toxicology and Genetics ; Postfach , Karlsruhe, Germany
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18
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Ma L, Pan Q, Sun F, Yu Y, Wang J. Cluster of differentiation 166 (CD166) regulates cluster of differentiation (CD44) via NF-κB in liver cancer cell line Bel-7402. Biochem Biophys Res Commun 2014; 451:334-8. [PMID: 25094049 DOI: 10.1016/j.bbrc.2014.07.128] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 07/28/2014] [Indexed: 02/07/2023]
Abstract
Cluster of differentiation 166 (CD166) is critical for liver cancer cell survival. Our previously study demonstrated that CD166 exerts its anti-apoptotic role through interaction with YAP in liver cancer. However, the interaction between CD166 and other cell surface molecules remains unclear in liver cancer cells. In the current study, we found that both mRNA and protein of CD44 expression was significantly inhibited by knocking-down CD166. Moreover, CD166 affected-CD44 expression is dependent of transcription via blocking NF-κB pathway. On the contrary, CD44 promoted up-regulation of CD166 mRNA and protein. And it may be through E3 ubiquitin ligases COP1 and UBC3 to regulate CD166 protein degradation. Collectively, these results suggest that CD166 and CD44 play important roles in liver cancer development. Therefore, CD166 may develop as a potential therapeutic molecule target for the treatment of liver cancer.
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Affiliation(s)
- Lifang Ma
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, PR China.
| | - Qiuhui Pan
- Department of Central Laboratory, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, PR China.
| | - Fenyong Sun
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, PR China.
| | - Yongchun Yu
- Shanghai Municipal Hospital of Traditional Chinese Medicine Affiliated to Shanghai TCM University, Shanghai 200071, PR China.
| | - Jiayi Wang
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, PR China.
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