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Shichi Y, Gomi F, Hasegawa Y, Nonaka K, Shinji S, Takahashi K, Ishiwata T. Artificial intelligence-based analysis of time-lapse images of sphere formation and process of plate adhesion and spread of pancreatic cancer cells. Front Cell Dev Biol 2023; 11:1290753. [PMID: 38046666 PMCID: PMC10690954 DOI: 10.3389/fcell.2023.1290753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/08/2023] [Indexed: 12/05/2023] Open
Abstract
Background: Most pancreatic cancers are pancreatic ductal adenocarcinomas (PDAC). Spherical morphology formed in three-dimensional (3D) cultures and the effects of anticancer drugs differ between epithelial and mesenchymal PDAC cell lines. In the human pancreas, cancer cells form 3D tumors, migrate to adjacent tissues, and metastasize to other organs. However, no effective methods exist to examine the ability of the tumor mass to migrate to surrounding tissues in vitro. We used spheres formed in 3D culture to investigate whether the migratory ability of tumors of PDAC cell lines, including epithelial and mesenchymal cell lines, varies. Methods: Sphere formation and adhesion and spread on culture plates were examined by artificial intelligence-based analysis of time-lapse imaging using five epithelial and three mesenchymal PDAC cell lines. Fused and non-fused areas of the sphere surface during sphere formation on low-attachment plates, the adhesion area to normal culture plates, and the sphere area maintaining its original form during adhesion to plates were measured. Results: Immunocytochemical staining confirmed that E-cadherin was highly expressed in epithelial PDAC spheres, as was vimentin in mesenchymal PDAC spheres, in 2D culture. When forming spheres using low-attachment plates, most epithelial PDAC cell lines initially showed decreased sphere area, and then the covering cells fused to form a smooth surface on the sphere. Mesenchymal PANC-1 and MIA PaCa-2 cells showed little reduction in sphere area and few areas of sphere surface fusion. When formed PDAC spheres were seeded onto normal culture plates, spheres of epithelial PK-8 cells-which have the highest E-cadherin expression, form numerous cysts, and have smooth sphere surfaces-did not adhere to normal plates even after 60 h, and epithelial PK45-P and T3M-4 spheres hardly adhered. Conversely, the area of adhesion and spread of mesenchymal PANC-1 and KP4 cell spheres on normal plates markedly increased from early on, forming large areas of attachment to plates. Conclusion: Seeding spheres formed in 3D culture onto culture plates can clarify differences in tumor migration potential to surrounding areas. The masses formed by each PDAC cell line varied in migratory ability, with mesenchymal PDAC masses being more migratory than epithelial PDAC masses.
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Affiliation(s)
- Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Yasuko Hasegawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Keisuke Nonaka
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Seiichi Shinji
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Kimimasa Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
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Nonaka K, Takubo K, Aida J, Watai Y, Komatsu A, Gomi F, Shichi Y, Yamazaki Y, Ishiwata T, Sasano H, Arai T. Accelerated telomere shortening in adrenal zona reticularis in patients with prolonged critical illness. Front Endocrinol (Lausanne) 2023; 14:1244553. [PMID: 37745694 PMCID: PMC10512174 DOI: 10.3389/fendo.2023.1244553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Background The number of patients with prolonged critical illness (PCI) has been increasing in many countries, and the adrenal gland plays an important role in maintaining homeostasis during PCI. Chronic disease burden is reportedly associated with shorter telomere lengths in human tissues. Telomere shortening in human somatic cells is largely dependent on cell divisions, and critically short telomeres lead to cellular dysfunction and aging. However, the association between PCI and telomere lengths in human adrenal cells is poorly understood. In this study, we investigated this association to assess whether the burden of PCI could accelerate the aging process in adrenal cells. Methods Adrenocortical tissues from patients who died after PCI usually show a diffuse pattern of intracellular cholesterol ester depletion (i.e., lipid depletion). This study examined near-normal adrenal glands obtained from autopsied patients who died suddenly (control group) and lipid-depleted adrenal glands obtained from autopsied patients who died after PCI (PCI group). The control group included 7 men aged 80 to 94 years (mean age: 85.3 years) and 7 women aged 84 to 94 years (mean age: 87.7 years). The PCI group included 10 men aged 71 to 88 years (mean age: 78.8 years) and 8 women aged 77 to 95 years (mean age: 85.6 years). By using quantitative fluorescence in situ hybridization, relative telomere lengths (RTLs) were determined in the parenchymal cells of the three adrenocortical zones (zona glomerulosa, zona fasciculata, and zona reticularis [ZR]) and in the chromaffin cells of the medulla. The number of adrenal parenchymal cells was determined by immunohistochemistry and digital image analysis. Results RTLs in ZR cells were significantly shorter in the PCI group than in the control group for both men and women (P = 0.0001 for men and P = 0.0012 for women). However, RTLs in the remaining three types of adrenal cells did not differ between the control and PCI groups for both men and women. The number of ZR cells was higher in the PCI group than in the control group for both men and women (P < 0.0001 for both men and women). The proportion of the number of ZR cells to the total number of adrenocortical parenchymal cells was also higher in the PCI group than in the control group (P < 0.0001 for both men and women). The Ki-67 proliferation index in ZR cells was higher in the PCI group than in the control group (P = 0.0039 for men and P = 0.0063 for women). Conclusions This study demonstrated ZR cell-specific telomere shortening in patients with adrenal lipid depletion who died after PCI. Our results suggest that the reactive proliferation of ZR cells accelerates the telomere shortening and aging process in ZR cells in these patients. The results of our study may contribute to the understanding of adrenal aging during PCI.
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Affiliation(s)
- Keisuke Nonaka
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Yoriko Watai
- Department of Drug Discovery Support Business, Summit Pharmaceuticals International, Tokyo, Japan
| | - Akiko Komatsu
- Department of Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Yuto Yamazaki
- Department of Pathology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Hironobu Sasano
- Department of Pathology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
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Doshida Y, Hashimoto S, Iwabuchi S, Takino Y, Ishiwata T, Aigaki T, Ishigami A. Single-cell RNA sequencing to detect age-associated genes that identify senescent cells in the liver of aged mice. Sci Rep 2023; 13:14186. [PMID: 37648885 PMCID: PMC10468526 DOI: 10.1038/s41598-023-41352-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 08/24/2023] [Indexed: 09/01/2023] Open
Abstract
Senescent cells are predicted to occur and increase in animal tissues with aging. However, senescent cells in the tissues of aged animals remain to be identified. We refer to the marker genes to identify senescent cells in tissues as "age-associated genes". In this study, we searched for age-associated genes to identify senescent cells in the livers of aged animals. We performed single-cell RNA sequencing (scRNA-seq) to screen candidates for age-associated genes using young and aged rat primary hepatocytes. To remove animal species specificity, gene expression analyses in mouse livers were performed, confirming age-associated increases in the mRNA expression levels of Glipr1, Clec12a, and Phlda3. Moreover, the mRNA expression levels of Glipr1 and Phlda3 were increased by stress-induced premature senescence using doxorubicin in primary hepatocytes and livers of young mice. Transcriptome data of aged rat hepatocytes suggested that Glipr1, Clec12a, and Phlda3 were expressed in almost identical cells. Fluorescence in situ hybridization (FISH) confirmed the presence of cells with abundant Glipr1, Clec12a, and Phlda3 mRNA in 27-month-old mouse primary hepatocytes, which are considered to be senescent cells. This study is the first to identify Glipr1, Clec12a, and Phlda3 as age-associated genes in the mouse liver.
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Affiliation(s)
- Yuta Doshida
- Molecular Regulation of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
- Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, 192-0397, Japan
| | - Shinichi Hashimoto
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, 641-8509, Japan
| | - Sadahiro Iwabuchi
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, 641-8509, Japan
| | - Yuka Takino
- Molecular Regulation of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Aging and Carcinogenesis, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, 173-0015, Japan
| | - Toshiro Aigaki
- Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, 192-0397, Japan
| | - Akihito Ishigami
- Molecular Regulation of Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan.
- Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, 192-0397, Japan.
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Arai T, Komatsu A, Kanazawa N, Nonaka K, Ishiwata T. Clinicopathological and molecular characteristics of gastric papillary adenocarcinoma. Pathol Int 2023; 73:358-366. [PMID: 37341602 DOI: 10.1111/pin.13345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 05/25/2023] [Indexed: 06/22/2023]
Abstract
Papillary adenocarcinoma is defined as carcinoma with a well-defined papillary or villous structure. Despite sharing clinicopathological and morphological features with tubular adenocarcinomas, papillary adenocarcinomas frequently show microsatellite instability. The present study aimed to clarify the clinicopathological features, molecular classification, and programmed death-ligand 1 (PD-L1) expression characteristics of papillary adenocarcinoma, especially tumors with microsatellite instability. We examined the microsatellite status and expression of mucin core proteins and PD-L1 as well as the clinicopathological features in 40 gastric papillary adenocarcinomas. Surrogate immunohistochemical analysis of p53 and mismatch repair proteins along with Epstein-Barr virus-encoded RNA in situ hybridization were performed for molecular classification. Female predominance and frequent microsatellite instability were observed in papillary adenocarcinoma in comparison with tubular adenocarcinoma. The presence of microsatellite instability in papillary adenocarcinoma was significantly correlated with older age, tumor-infiltrating lymphocytes, and Crohn's-like lymphoid reactions. Surrogate examination demonstrated that the genomically stable type (17 cases, 42.5%) was the most common, followed by the microsatellite-unstable type (14 cases, 35%). Among the seven cases showing PD-L1-positive expression in tumor cells, four involved carcinomas with microsatellite instability. These results reveal the clinicopathological and molecular characteristics of gastric papillary adenocarcinoma.
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Affiliation(s)
- Tomio Arai
- Department of Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Akiko Komatsu
- Department of Pathology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - Nobuo Kanazawa
- Department of Surgery, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
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Takubo K, Aida J, Vieth M, Fujiwara M, Nemoto T, Arai T, Mukaisho KI, Nakazawa A, Ishiwata T. Cardiac mucosa in neonates. Pathol Res Pract 2023; 246:154498. [PMID: 37207529 DOI: 10.1016/j.prp.2023.154498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/29/2023] [Accepted: 05/01/2023] [Indexed: 05/21/2023]
Abstract
BACKGROUND The histology of the cardiac mucosa at the esophagogastric junction (EGJ) at birth is still a controversy. We conducted a histopathological study of the EGJ to clarify the morphology, and to determine the presence or absence of cardiac mucosa at birth. SUBJECTS We examined 43 Japanese neonates and infants that are born prematurely or at full term. Death had occurred between 1 and 231 days after birth. RESULTS Cardiac mucosa without parietal cells showing positivity for anti-proton pump antibody, adjacent to the most distal squamous epithelium, was observed in 32 (74%) of the 43cases. Such mucosa was evident in neonates that were full-term and had died within 14 days after birth. On the other hand, cardiac mucosa with parietal cells adjacent to squamous epithelium was noted in 10 cases (23%); the remaining one (2%) had columnar-lined esophagus. Squamous and columnar islands were observed in a single histological section from the EGJ in 22 (51%) of the 43 cases. Parietal cells were sparsely or densely present in the gastric antral mucosa. CONCLUSIONS On the basis of these histological findings, we consider that cardiac mucosa exists in neonates and infants and can be defined as such, irrespective of the presence or absence of parietal cells (so-called oxyntocardiac mucosa). Neonates born prematurely or at full-term have cardiac mucosa in the EGJ just after birth, as is the case for Caucasian neonates.
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Affiliation(s)
- Kaiyo Takubo
- Esophageal Cardiac Glands Investigation Committee, Japan Esophageal Society, Tokyo 130-0012, Japan; Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Junko Aida
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Michael Vieth
- Institute of Pathology, Friedrich-Alexander-University Erlangen-Nuremberg, Klinikum Bayreuth, Bayreuth, Germany.
| | - Mutsunori Fujiwara
- Department of Pathology, Nissan Tamagwa Hospital, Tokyo 158,-0095, Japan
| | - Tetsuo Nemoto
- Esophageal Cardiac Glands Investigation Committee, Japan Esophageal Society, Tokyo 130-0012, Japan; Department of Diagnostic Pathology and Laboratory Medicine, Showa University Northern Yokohama Hospital, Yokohama 224-8503, Japan
| | - Tomio Arai
- Esophageal Cardiac Glands Investigation Committee, Japan Esophageal Society, Tokyo 130-0012, Japan; Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo 173, Japan
| | - Ken-Ichi Mukaisho
- Education Center for Medicine and Nursing, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga 520-2192, Japan
| | - Atsuko Nakazawa
- Department of Clinical Research, Saitama Children's Medical Center, Saitama City, Saitama 330-8777, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
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Nonaka K, Kurata M, Tachibana M, Komatsu A, Shichi Y, Gomi F, Ishiwata T, Miyamoto K, Arai T. Chromosomal analysis of clonally related B-cell lymphomas with discordant immunoglobulin light-chain restrictions at different anatomical sites. Pathol Int 2023; 73:100-102. [PMID: 36504427 DOI: 10.1111/pin.13297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 11/03/2022] [Accepted: 11/19/2022] [Indexed: 12/14/2022]
Affiliation(s)
- Keisuke Nonaka
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Morito Kurata
- Department of Comprehensive Pathology, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan
| | - Moriaki Tachibana
- Department of Chemotherapy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Akiko Komatsu
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Kou Miyamoto
- Department of Chemotherapy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
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Michishita M, Ochiai K, Nakahira R, Azakami D, Machida Y, Nagashima T, Nakagawa T, Ishiwata T. mTOR pathway as a potential therapeutic target for cancer stem cells in canine mammary carcinoma. Front Oncol 2023; 13:1100602. [PMID: 36816969 PMCID: PMC9931192 DOI: 10.3389/fonc.2023.1100602] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/16/2023] [Indexed: 02/05/2023] Open
Abstract
Mammary adenocarcinoma, the most common cancer in female dogs, often exhibits the lymph node and lung metastases and has a higher mortality rate. However, mammary adenocarcinoma has no established treatment, except early surgical excision. Canine mammary carcinoma has many common features with human mammary carcinoma, including clinical characteristics, heterogeneity, and genetic aberrations, making it an excellent spontaneous tumor model for human breast cancer. Diverse cancers comprised heterogeneous cell populations originating from cancer stem cells (CSCs) with self-renewal ability. Therefore, in addition to conventional therapy, therapeutic strategies targeting CSCs are essential for cancer eradication. The present study aimed to extract inhibitors of canine mammary CSCs that suppress their self-renewal ability. Sphere-formation assay, which evaluates self-renewal ability, was performed for the canine mammary cancer cell lines CTBp and CNMp. The spheres formed in this assay were used in inhibitor library screening, which identified various signaling pathways such as proteosome, stress inducer, and mammalian target of rapamycin (mTOR). The present study focused on the mTOR signaling pathway. Western blotting showed higher levels of phosphorylated mTOR in sphere-forming CTBp and CNMp cells than in adherent cells. Drug sensitivity examination using the mTOR inhibitors everolimus and temsirolimus revealed dose-dependent reductions in viability among both sphere-forming cells and adherent cells. Expression of phosphorylated mTOR in adherent and sphere-forming cells decreased by everolimus and temsirolimus treatment. In mice transplanted with CTBp-derived spheres, everolimus treatment significantly decreased tumor volume compared to control. These results reveal that the mTOR signaling pathway may be a potential to be a therapeutic target in both cancer cells and CSCs. Novel therapeutic strategies for canine mammary carcinoma are expected to benefit to human breast carcinoma as well.
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Affiliation(s)
- Masaki Michishita
- Department of Veterinary Pathology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan,Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Tokyo, Japan,*Correspondence: Masaki Michishita,
| | - Kazuhiko Ochiai
- Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Tokyo, Japan,Department of Veterinary Hygiene, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Rei Nakahira
- Department of Veterinary Pathology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Daigo Azakami
- Laboratory of Veterinary Clinical Oncology, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yukino Machida
- Department of Veterinary Pathology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Tomokazu Nagashima
- Department of Veterinary Pathology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Science, The University of Tokyo, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Itakura Y, Hasegawa Y, Kikkawa Y, Murakami Y, Sugiura K, Nagai-Okatani C, Sasaki N, Umemura M, Takahashi Y, Kimura T, Kuno A, Ishiwata T, Toyoda M. Spatiotemporal changes of tissue glycans depending on localization in cardiac aging. Regen Ther 2023; 22:68-78. [PMID: 36712959 PMCID: PMC9841240 DOI: 10.1016/j.reth.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/30/2022] [Accepted: 12/22/2022] [Indexed: 01/09/2023] Open
Abstract
Heart failure is caused by various factors, making the underlying pathogenic mechanisms difficult to identify. Since cardiovascular disease tends to worsen over time, early diagnosis is key for treatment. In addition, understanding the qualitative changes in the heart associated with aging, where information on the direct influences of aging on cardiovascular disease is limited, would also be useful for treatment and diagnosis. To fill these research gaps, the focus of our study was to detect the structural and functional molecular changes associated with the heart over time, with a focus on glycans, which reflect the type and state of cells. METHODS We investigated glycan localization in the cardiac tissue of normal mice and their alterations during aging, using evanescent-field fluorescence-assisted lectin microarray, a technique based on lectin-glycan interaction, and lectin staining. RESULTS The glycan profiles in the left ventricle showed differences between the luminal side (medial) and wall side (lateral) regions. The medial region was characterized by the presence of sialic acid residues. Moreover, age-related changes in glycan profiles were observed at a younger age in the medial region. The difference in the age-related decrease in the level of α-galactose stained with Griffonia simplicifolia lectin-IB4 in different regions of the left ventricle suggests spatiotemporal changes in the number of microvessels. CONCLUSIONS The glycan profile, which retains diverse glycan structures, is supported by many cell populations, and maintains cardiac function. With further research, glycan localization and changes have the potential to be developed as a marker of the signs of heart failure.
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Key Words
- ACG, Agrocybe cylindracea galectin
- Aging
- BPL, Bauhinia purpurea alba lectin
- Calsepa, Calystegia sepium agglutinin
- Cardiac tissue
- ConA, Canavalia ensiformis lectin
- DAPI, 4′,6-diamidino-2-phenylindole
- DBA, Dolichos biflorus agglutinin
- ECA, Erythrina cristagalli agglutinin
- ECM, extracellular matrices
- EMT, endothelial-to-mesenchymal transition
- FITC, fluorescein isothiocyanate
- GSL-I, Griffonia simplicifolia lectin I
- Gal, galactose
- GalNAc, N-acetylgalactosamine
- GlcNAc, N-acetylglucosamine
- Glycan profile
- HE, hematoxylin-eosin
- LEL, Lycopersicon esculentum lectin
- LTL, Lotus tetragonolobus lectin
- Lectin microarray
- MAH, Maackia amurensis hemagglutinin
- MAL-I, Maackia amurensis lectin I
- Man, mannose
- Microvessels
- NPA, Narcissus pseudonarcissus agglutinin
- PBS, phosphate-buffered saline
- PCA, principal component analysis
- PHA-L, Phaseolus vulgaris leucoagglutinin
- PNA, Arachis hypogaea agglutinin
- RCA120, Ricinus communis agglutinin I
- SBA, Glycine max agglutinin
- SNA, Sambucus nigra agglutinin
- SSA, Sambucus sieboldiana agglutinin
- STL, Solanum tuberosum lectin
- TJA-I, Trichosanthes japonica agglutinin I
- UDA, Urtica dioica
- VVA, Vicia villosa agglutinin
- WFA, Wisteria floribunda agglutinin
- WGA, Triticum vulgaris agglutinin (wheat germ agglutinin)
- α-SMA, alpha smooth muscle actin
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Affiliation(s)
- Yoko Itakura
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Yasuko Hasegawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Yurika Kikkawa
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan,Laboratory of Stem Cell Biology, Department of Biosciences, Kitasato University School of Science, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Yuina Murakami
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan,Laboratory of Environmental Molecular Physiology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Kosuke Sugiura
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan,Laboratory of Stem Cell Biology, Department of Biosciences, Kitasato University School of Science, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Chiaki Nagai-Okatani
- Cellular and Molecular Biotechnology Research Institute, National Institutes of Advanced Industrial Science and Technology, 5 Central, Tsukuba, 1-1-1 Higashi, Tsukuba-city, Ibaraki 305-8565, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Mariko Umemura
- Laboratory of Environmental Molecular Physiology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Yuji Takahashi
- Laboratory of Environmental Molecular Physiology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Tohru Kimura
- Laboratory of Stem Cell Biology, Department of Biosciences, Kitasato University School of Science, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Atsushi Kuno
- Cellular and Molecular Biotechnology Research Institute, National Institutes of Advanced Industrial Science and Technology, 5 Central, Tsukuba, 1-1-1 Higashi, Tsukuba-city, Ibaraki 305-8565, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan,Corresponding author.
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Shichi Y, Gomi F, Ueda Y, Nonaka K, Hasegawa F, Hasegawa Y, Hinata N, Yoshimura H, Yamamoto M, Takahashi K, Arai T, Ishiwata T. Multiple cystic sphere formation from PK-8 cells in three-dimensional culture. Biochem Biophys Rep 2022; 32:101339. [PMID: 36105614 PMCID: PMC9464880 DOI: 10.1016/j.bbrep.2022.101339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/15/2022] [Accepted: 08/30/2022] [Indexed: 11/29/2022] Open
Abstract
Three-dimensional (3D) culture of cancer cells mimics the in vivo environment. Recently, we reported that pancreatic ductal adenocarcinoma (PDAC) cell lines with epithelial and mesenchymal features formed differently shaped spheres in 3D culture. However, only PK-8 cells, the epithelial PDAC cell line with the highest E-cadherin expression among the eight PDAC cell lines, formed multiple cystic spheres in 3D culture. Optical coherence tomography revealed interconnected cysts inside the spheres. A weak inter-cellular adhesion, individual cell degeneration, necrosis, and secretory granules in the cytoplasm were observed in the PK-8 spheres using electron microscopy. The expression of MUC1, MUC5AC, and amylase was increased in PK-8 cells in the 3D culture compared with that in 2D culture. These findings suggest that highly E-cadherin-expressing epithelial PK-8 cells form multiple cystic spheres, which may be promoted by enhanced mucin and amylase synthesis in 3D culture. PK-8 cells highly express E-cadherin in multiple cystic spheres in 3D culture. The cysts within the PK-8 spheres are interconnected. Individual cell degeneration and necrosis was observed in PK-8 spheres. MUC1, MUC5, and amylase levels increased in PK-8 spheres.
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10
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Ueda Y, Miura Y, Tomishige N, Sugimoto N, Murase M, Kawamura G, Sasaki N, Ishiwata T, Ozawa T. Mechanistic insights into cancer drug resistance through optogenetic PI3K signaling hyperactivation. Cell Chem Biol 2022; 29:1576-1587.e5. [PMID: 36288730 DOI: 10.1016/j.chembiol.2022.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 07/26/2022] [Accepted: 09/30/2022] [Indexed: 01/31/2023]
Abstract
Hyperactivation of phosphatidylinositol 3-kinase (PI3K) signaling is a prominent feature in cancer cells. However, the mechanism underlying malignant behaviors in the state remains unknown. Here, we describe a mechanism of cancer drug resistance through the protein synthesis pathway, downstream of PI3K signaling. An optogenetic tool (named PPAP2) controlling PI3K signaling was developed. Melanoma cells stably expressing PPAP2 (A375-PPAP2) acquired resistance to a cancer drug in the hyperactivation state. Proteome analyses revealed that expression of the antiapoptotic factor tumor necrosis factor alpha-induced protein 8 (TNFAIP8) was upregulated. TNFAIP8 upregulation was mediated by protein translation from preexisting mRNA. These results suggest that cancer cells escape death via upregulation of TNFAIP8 expression from preexisting mRNA even though alkylating cancer drugs damage DNA.
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Affiliation(s)
- Yoshibumi Ueda
- Department of Chemistry, School of Science, The University of Tokyo, Tokyo, Japan.
| | - Yuri Miura
- Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Naotoshi Sugimoto
- Department of Physiology, Graduate School of Medical Science, Kanazawa University, Ishikawa, Japan
| | - Megumi Murase
- Department of Chemistry, School of Science, The University of Tokyo, Tokyo, Japan
| | - Genki Kawamura
- Department of Chemistry, School of Science, The University of Tokyo, Tokyo, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Takeaki Ozawa
- Department of Chemistry, School of Science, The University of Tokyo, Tokyo, Japan.
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11
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Sasaki N, Hirano K, Shichi Y, Itakura Y, Ishiwata T, Toyoda M. PRC2-dependent regulation of ganglioside expression during dedifferentiation contributes to the proliferation and migration of vascular smooth muscle cells. Front Cell Dev Biol 2022; 10:1003349. [PMID: 36313564 PMCID: PMC9606594 DOI: 10.3389/fcell.2022.1003349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/30/2022] [Indexed: 11/13/2022] Open
Abstract
Phenotypic switching between contractile (differentiated state) and proliferative (dedifferentiated state) vascular smooth muscle cells (VSMCs) is a hallmark of vascular remodeling that contributes to atherosclerotic diseases. Gangliosides, a group of glycosphingolipids, have been detected in atherosclerotic lesions and are suspected to contribute to the disease process. However, the underlying mechanism, specifically with respect to their role in VSMC phenotype switching, is not clear. In this study, we sought to reveal the endogenous expression of gangliosides and their functional significance in VSMCs during atherosclerosis. We found that switching from the contractile to proliferative phenotype was accompanied by upregulation of a- and b-series gangliosides, which in turn, were regulated by polycomb repressor complex 2 (PRC2). Downregulation of ganglioside expression using an siRNA targeting ST3GAL5, which is required for the synthesis of a- and b-series gangliosides, attenuated the proliferation and migration of dedifferentiated VSMCs. Therefore, we concluded that the increased expression of a- and b-series gangliosides via PRC2 activity during dedifferentiation is involved in the proliferation and migration of VSMCs. Gangliosides may be an effective target in VSMCs for atherosclerosis prevention and treatment.
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Affiliation(s)
- Norihiko Sasaki
- Department of Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
- *Correspondence: Norihiko Sasaki, ; Masashi Toyoda,
| | - Kazumi Hirano
- Molecular Neurophysiology Research Group, Biomedical Research Institute, The National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, Japan
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoko Itakura
- Department of Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Masashi Toyoda
- Department of Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
- *Correspondence: Norihiko Sasaki, ; Masashi Toyoda,
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12
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Miki A, Matsuda Y, Aida J, Watanabe J, Sanada Y, Sakuma Y, Lefor AK, Fukushima N, Sata N, Arai T, Takubo K, Ishiwata T. Telomere Attrition in Intraductal Papillary Mucinous Neoplasms of the Pancreas Associated With Carcinogenesis and Aging. Pancreas 2022; 51:678-683. [PMID: 36206470 DOI: 10.1097/mpa.0000000000002081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES It is challenging to preoperatively distinguish malignant and benign forms of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas. The aims of this study were to investigate whether telomere length is associated with pathological grade of IPMNs and age and to clarify the utility of telomere length as a marker to identify malignant IPMNs. METHODS Pancreas tissue was obtained from 28 patients after resection. We measured the telomere lengths of tumor cells in IPMNs and normal duct cells by quantitative fluorescence in situ hybridization. The association of normalized telomere-centromere ratio (NTCR) to pathological grade of IPMNs and age were determined. RESULTS The NTCR showed a gradual decrease with increasing pathological grade of IPMNs. The NTCR in intermediate- and high-grade dysplasia and adenocarcinoma lesions was significantly shorter than in normal pancreatic ducts (P < 0.05). In multivariate analysis, telomere length was most associated with carcinogenesis. When the cutoff value of NTCR was set to 0.74, the sensitivity for detection of high-grade dysplasia and adenocarcinoma was 82.8%, with a specificity of 87.5%. CONCLUSIONS Telomere shortening occurs with carcinogenesis and aging. A significant reduction of telomere length in IPMNs may be useful for surgical decision making.
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Affiliation(s)
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
| | - Jun Watanabe
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Yukihiro Sanada
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Yasunaru Sakuma
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Alan K Lefor
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | | | - Naohiro Sata
- From the Division of Gastroenterological, General and Transplant Surgery, Department of Surgery, Jichi Medical University, Tochigi
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo
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13
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Shichi Y, Gomi F, Sasaki N, Nonaka K, Arai T, Ishiwata T. Epithelial and Mesenchymal Features of Pancreatic Ductal Adenocarcinoma Cell Lines in Two- and Three-Dimensional Cultures. J Pers Med 2022; 12:jpm12050746. [PMID: 35629168 PMCID: PMC9146102 DOI: 10.3390/jpm12050746] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/01/2022] [Accepted: 05/02/2022] [Indexed: 02/01/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an intractable cancer that is difficult to diagnose early, and there is no cure other than surgery. PDAC is classified as an adenocarcinoma that has limited effective anticancer drug and molecular-targeted therapies compared to adenocarcinoma found in other organs. A large number of cancer cell lines have been established from patients with PDAC that have different genetic abnormalities, including four driver genes; however, little is known about the differences in biological behaviors among these cell lines. Recent studies have shown that PDAC cell lines can be divided into epithelial and mesenchymal cell lines. In 3D cultures, morphological and functional differences between epithelial and mesenchymal PDAC cell lines were observed as well as the drug effects of different anticancer drugs. These effects included gemcitabine causing an increased growth inhibition of epithelial PDAC cells, while nab-paclitaxel caused greater mesenchymal PDAC cell inhibition. Thus, examining the characteristics of epithelial or mesenchymal PDAC cells with stromal cells using a 3D co-culture may lead to the development of new anticancer drugs.
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Affiliation(s)
- Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan;
| | - Keisuke Nonaka
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Hospital and Institute of Gerontology, Tokyo 173-0015, Japan;
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan; (Y.S.); (F.G.); (K.N.)
- Correspondence: ; Tel.: +81-3-3964-1141 (ext. 4414)
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14
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Ueda Y, Abe M, Ishiwata T, Ozawa T. Sphingomyelin localization in the intestinal crypt surface. Biochem Biophys Res Commun 2022; 611:14-18. [DOI: 10.1016/j.bbrc.2022.03.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/23/2022] [Indexed: 11/28/2022]
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15
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Sasaki N, Shinji S, Shichi Y, Ishiwata T, Arai T, Yamada T, Takahashi G, Ohta R, Sonoda H, Matsuda A, Iwai T, Takeda K, Yonaga K, Ueda K, Kuriyama S, Miyasaka T, Yoshida H. TGF-β1 increases cellular invasion of colorectal neuroendocrine carcinoma cell line through partial epithelial-mesenchymal transition. Biochem Biophys Rep 2022; 30:101239. [PMID: 35252596 PMCID: PMC8891970 DOI: 10.1016/j.bbrep.2022.101239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/20/2021] [Accepted: 02/24/2022] [Indexed: 02/07/2023] Open
Abstract
Epithelial–mesenchymal transition (EMT) plays a pivotal role in cancer progression and metastasis in many types of malignancies, including colorectal cancer. Although the importance of EMT is also considered in colorectal neuroendocrine carcinoma (NEC), its regulatory mechanisms have not been elucidated. We recently established a human colorectal NEC cell line, SS-2. In this study, we aimed to clarify whether these cells were sensitive to transforming growth factor beta 1 (TGF-β1) and whether EMT could be induced through TGF-β1/Smad signaling, with the corresponding NEC cell-specific changes in invasiveness. In SS-2 cells, activation of TGF-β1 signaling, as indicated by phosphorylation of Smad2/3, was dose-dependent, demonstrating that SS-2 cells were responsive to TGF-β1. Analysis of EMT markers showed that mRNA levels changed with TGF-β1 treatment and that E-cadherin, an EMT marker, was expressed in cell-cell junctions even after TGF-β1 treatment. Invasion assays showed that TGF-β1-treated SS-2 cells invaded more rapidly than non-treated cells, and these cells demonstrated increased metalloproteinase activity and cell adhesion. Among integrins involved in cell-to-matrix adhesion, α2-integrin was exclusively upregulated in TGF-β1-treated SS-2 cells, but not in other colon cancer cell lines, and adhesion and invasion were inhibited by an anti-α2-integrin blocking antibody. Our findings suggest that α2-integrin may represent a novel therapeutic target for the metastasis of colorectal NEC cells. NEC cell line SS-2 is responsive to TGF-β1. TGF-β1 stimulation induces partial EMT, maintaining E-cadherin in SS-2 cells. TGF-β1-treated SS-2 cells exhibit increase in metalloproteinase activity and cell adhesion. α2-integrin is exclusively upregulated in TGF-β1-treated SS-2 cells. Use of anti-α2-integrin blocking antibody inhibits enhanced adhesion and invasion.
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Key Words
- Adhesion
- BSA, bovine serum albumin
- CSC, cancer stem cell
- EMT
- EMT, epithelial-to-mesenchymal transition
- FACS, fluorescence activated cell sorter
- Invasion
- MFI, mean fluorescence intensity
- MMP, matrix metalloproteinase
- NEC, neuroendocrine carcinoma
- NENs, neuroendocrine neoplasms
- Neuroendocrine carcinoma
- SD, standard deviation
- SEM, scanning electron microscopic
- TGF, transforming growth factor-beta
- TGF-β1
- qRT-PCR, quantitative reverse transcription-polymerase chain reaction
- α2-integrin
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Seiichi Shinji
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan.,Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Takeshi Yamada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Goro Takahashi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Ryo Ohta
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Hiromichi Sonoda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Akihisa Matsuda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Takuma Iwai
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Kohki Takeda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Kazuhide Yonaga
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Koji Ueda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Sho Kuriyama
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Toshimitsu Miyasaka
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Hiroshi Yoshida
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
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Shinji S, Shichi Y, Yamada T, Takahashi G, Ohta R, Sonoda H, Matsuda A, Yonaga K, Iwai T, Takeda K, Ueda K, Kuriyama S, Miyasaka T, Ueda Y, Sasaki N, Takahashi K, Ohashi R, Ishiwata T, Arai T, Yoshida H. Establishment and characterization of a novel anorectal melanoma cell line derived from primary human rectal tumor. J NIPPON MED SCH 2022; 89:368-376. [DOI: 10.1272/jnms.jnms.2022_89-402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Seiichi Shinji
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | - Takeshi Yamada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Goro Takahashi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Ryo Ohta
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Hiromichi Sonoda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Akihisa Matsuda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Kazuhide Yonaga
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Takuma Iwai
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Kohki Takeda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Koji Ueda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Sho Kuriyama
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Toshimitsu Miyasaka
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
| | - Yoshibumi Ueda
- Department of Chemistry, School of Science, The University of Tokyo
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology
| | - Kimimasa Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University
| | - Ryuji Ohashi
- Integrated Diagnostic Pathology, Nippon Medical School
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | | | - Hiroshi Yoshida
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School
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Sasaki N, Gomi F, Yoshimura H, Yamamoto M, Matsuda Y, Michishita M, Hatakeyama H, Kawano Y, Itakura Y, Toyoda M, Korc M, Ishiwata T. Abstract 2449: FGFR4 inhibitor BLU9931 induces cellular senescence in pancreatic ductal adenocarcinoma cell lines promoting sensitivity to senolytic therapy. Cancer Res 2021. [DOI: 10.1158/1538-7445.am2021-2449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose: Fibroblast growth factor receptor 4 (FGFR4), one of the four tyrosine kinase receptors for FGFs, is involved in various cellular processes. Activation of the FGF19/FGFR4 signaling is strongly associated with cancer development and progression. BLU9931 is an irreversible and highly selective small-molecule inhibitor of FGFR4. In this study, we aimed to elucidate the role of FGF19/FGFR4 signaling using BLU9931 in human PDAC.
Experimental procedures: The expression of FGFR4 in eight human PDAC cell lines were examined using real-time PCR, immunoblotting, and FACS analysis. The effects of BLU9931 on FGFR4-positive PDAC cells were examined using growth assay, cell cycle assay, immunoblotting of downstream targets of FGF19/FGFR4 signaling, real-time PCR analysis of stemness markers, and sphere forming assays. Motility was evaluated using migration and invasion assays. Matrix metalloproteinase activity was evaluated using gelatin zymography. Induction of senescence was evaluated using senescence-associated β-galactosidase activity and real-time PCR analysis of senescence-associated, phenotype-related secretory genes. The synergistic effects of senolytic drugs on BLU9931-treated cells were evaluated using ATP assay. Expression and clinicopathological features of FGFR4 in PDAC patients were examined using immunohistochemical analysis of tissue microarrays.
Results: In human PDAC cases, FGFR4 expression was positively correlated with larger primary tumors and more advanced disease stage. Among the eight PDAC cell lines, FGFR4 was expressed at the highest level in PK-1 cell line, in which the single-nucleotide polymorphism G388R in FGFR4 was detected. Inhibition of signal transduction through the ERK, AKT, and STAT3 pathways by BLU9931 reduced proliferation of FGF19/FGFR4 signaling-activated PDAC cells. In contrast, BLU9931 did not alter stemness features, including stemness marker expression, anticancer drug resistance, and sphere-forming ability of PK-1 cells. However, BLU9931 inhibited cell invasion, in part, by downregulating membrane-type matrix metalloproteinase-1 (MT1-MMP) expression in FGF19/FGFR4 signaling-activated PDAC cells. Furthermore, downregulation of SIRT1 and SIRT6 by BLU9931 contributed to senescence induction, priming these cells for quercetin-induced death, a process termed senolysis.
Conclusions: We demonstrated that inhibition of signal transduction pathways through the ERK, AKT, and STAT3 pathways by BLU9931 inhibited PDAC cell proliferation and invasion, in part by downregulating MT1-MMP expression in autocrine/paracrine FGF19/FGFR4 signaling-positive PDAC cells. Furthermore, downregulation of SIRT1 and SIRT6 by BLU9931 may have contributed to senolysis in these cells. Thus, we propose that BLU9931 may be a promising drug for the treatment of FGFR4-positive PDAC.
Citation Format: Norihiko Sasaki, Fujiya Gomi, Hisashi Yoshimura, Masami Yamamoto, Yoko Matsuda, Masaki Michishita, Hitoshi Hatakeyama, Yoichi Kawano, Yoko Itakura, Masashi Toyoda, Murray Korc, Toshiyuki Ishiwata. FGFR4 inhibitor BLU9931 induces cellular senescence in pancreatic ductal adenocarcinoma cell lines promoting sensitivity to senolytic therapy [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 2449.
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Affiliation(s)
| | - Fujiya Gomi
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Masami Yamamoto
- 2Nippon Veterinary and Life Science University, Tokyo, Japan
| | | | | | | | | | - Yoko Itakura
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Masashi Toyoda
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Murray Korc
- 5University of California, Irvine, Irvine, CA
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Yoshimura H, Moriya M, Yoshida A, Yamamoto M, Machida Y, Ochiai K, Michishita M, Nakagawa T, Matsuda Y, Takahashi K, Kamiya S, Ishiwata T. Involvement of Nestin in the Progression of Canine Mammary Carcinoma. Vet Pathol 2021; 58:994-1003. [PMID: 34056976 DOI: 10.1177/03009858211018656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Nestin, a class VI intermediate filament protein, is known to be expressed in various types of human neoplasms, including breast cancer, and is associated with their progression. However, its expression and role in canine mammary tumors remain unknown. We analyzed nestin expression in canine mammary tumors using in situ hybridization and immunohistochemistry. We also investigated its role in a canine mammary carcinoma cell line using RNA interference. Nestin expression was not observed in luminal epithelial cells of any of the 62 cases of benign mammary lesions examined, although myoepithelial cells showed its expression in most cases. In 16/50 (32%) primary mammary carcinomas and 6/15 (40%) metastases of mammary carcinomas, cytoplasmic nestin expression was detected in luminal epithelial cells. In luminal cells of primary mammary carcinomas, its expression was positively related to several pathological parameters that indicate high-grade malignancy, including histological grading (P < .01), vascular/lymphatic invasion (P < .01), Ki-67 index (P < .01), and metastasis (P < .05). Immunohistochemistry revealed that nestin expression was related to vimentin expression in mammary carcinomas (P < .01). This relationship was confirmed using reverse transcription-quantitative polymerase chain reaction using 9 cell lines derived from canine mammary carcinoma (P < .01). Finally, nestin knockdown in canine mammary carcinoma cells using small interfering RNA inhibited cell proliferation and migration based on WST-8, Boyden chamber, and cell-tracking assays. These findings suggest that nestin may at least partially mediate these behaviors of canine mammary carcinoma cells.
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Affiliation(s)
| | - Maiko Moriya
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Ayaka Yoshida
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masami Yamamoto
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Yukino Machida
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Kazuhiko Ochiai
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
| | | | | | | | | | - Shinji Kamiya
- 12989Nippon Veterinary and Life Science University, Tokyo, Japan
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Gomi F, Sasaki N, Shichi Y, Minami F, Shinji S, Toyoda M, Ishiwata T. Polyvinyl alcohol increased growth, migration, invasion, and sphere size in the PK-8 pancreatic ductal adenocarcinoma cell line. Heliyon 2021; 7:e06182. [PMID: 33598581 PMCID: PMC7868635 DOI: 10.1016/j.heliyon.2021.e06182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/06/2021] [Accepted: 01/29/2021] [Indexed: 11/17/2022] Open
Abstract
Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer used in eye drops, embolization particles, and artificial cartilage. It has also been shown to cause expansion of functional multipotent self-renewing hematopoietic stem cells under serum-free conditions. In this study, we examined the effects of PVA on human pancreatic ductal adenocarcinoma (PDAC) cell lines using 2-dimensional (2D) and 3D-cultures with serum-free medium. In the 2D-culture, PVA-treatment induced an aggregated colony-like appearance in PDAC cells. It increased the growth of PK-8 cells in a dose-dependent manner as well as significantly increasing migration and invasion abilities. qRT-PCR showed an increase in α2 integrin and a decrease in matrix metalloprotease levels in PVA-treated PK-8 cells. Through qRT-PCR analysis, β1 integrin expression at the mRNA level was found to be decreased; however, it was unaltered at the protein level when assessed using FACS analysis. PVA further induced mesenchymal to epithelial transition-like alterations, including increased E-cadherin and decreased Vimentin and N-cadherin expression. Four cancer stem cell (CSC) markers were higher in PVA-treated PK-8 cells compared to controls. In 3D-culture, PVA-treated PK-8 cells showed a rod-like appearance with larger sphere size and higher growth ability. qRT-PCR showed that CSC markers did not increase and 2 of 4 drug transporters had decreased in PVA-treated PK-8 cells. These findings suggest that PVA increases the growth, migration, invasion, and sphere size of PK-8 cells, but does not increase the proportion of pancreatic CSCs under 3D-culture conditions with serum-free medium.
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Affiliation(s)
- Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Yuuki Shichi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Fuuka Minami
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan
| | - Seiichi Shinji
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan.,Departments of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo 113-8603, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
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Sasaki N, Gomi F, Yoshimura H, Yamamoto M, Matsuda Y, Michishita M, Hatakeyama H, Kawano Y, Toyoda M, Korc M, Ishiwata T. FGFR4 Inhibitor BLU9931 Attenuates Pancreatic Cancer Cell Proliferation and Invasion While Inducing Senescence: Evidence for Senolytic Therapy Potential in Pancreatic Cancer. Cancers (Basel) 2020; 12:cancers12102976. [PMID: 33066597 PMCID: PMC7602396 DOI: 10.3390/cancers12102976] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 10/06/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Pancreatic ductal adenocarcinoma (PDAC) is a deadly malignancy that is projected to become the leading cause of cancer death by 2050. Fibroblast growth factor receptor 4 (FGFR4) is a transmembrane receptor that is overexpressed in half of PDACs. We determined that its expression in PDAC positively correlated with larger tumor size and more advanced tumor stage, and that BLU9931, a selective FGFR4 inhibitor, reduced PDAC cell proliferation and invasion while promoting their senescence. Quercetin, a senolytic drug, induced cell death in BLU9931-treated cells. We propose that targeting FGFR4 in combination with senolysis could provide a novel therapeutic strategy in patients whose PDAC expresses high FGFR4 levels. Abstract Fibroblast growth factor receptor 4 (FGFR4), one of four tyrosine kinase receptors for FGFs, is involved in diverse cellular processes. Activation of FGF19/FGFR4 signaling is closely associated with cancer development and progression. In this study, we examined the expression and roles of FGF19/FGFR4 signaling in human pancreatic ductal adenocarcinoma (PDAC). In human PDAC cases, FGFR4 expression positively correlated with larger primary tumors and more advanced stages. Among eight PDAC cell lines, FGFR4 was expressed at the highest levels in PK-1 cells, in which single-nucleotide polymorphism G388R in FGFR4 was detected. For inhibition of autocrine/paracrine FGF19/FGFR4 signaling, we used BLU9931, a highly selective FGFR4 inhibitor. Inhibition of signal transduction through ERK, AKT, and STAT3 pathways by BLU9931 reduced proliferation in FGF19/FGFR4 signaling-activated PDAC cells. By contrast, BLU9931 did not alter stemness features, including stemness marker expression, anticancer drug resistance, and sphere-forming ability. However, BLU9931 inhibited cell invasion, in part, by downregulating membrane-type matrix metalloproteinase-1 in FGF19/FGFR4 signaling-activated PDAC cells. Furthermore, downregulation of SIRT1 and SIRT6 by BLU9931 contributed to senescence induction, priming these cells for quercetin-induced death, a process termed senolysis. Thus, we propose that BLU9931 is a promising therapeutic agent in FGFR4-positive PDAC, especially when combined with senolysis (195/200).
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Affiliation(s)
- Norihiko Sasaki
- Research team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Sakae-cho 35-2, Itabashi-ku, Tokyo 173-0015, Japan; (N.S.); (M.T.)
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan;
| | - Hisashi Yoshimura
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan; (H.Y.); (M.Y.)
| | - Masami Yamamoto
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan; (H.Y.); (M.Y.)
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defense, Kagawa University, Kagawa 761-0793, Japan;
| | - Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan;
| | - Hitoshi Hatakeyama
- Department of Comprehensive Education in Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan;
| | - Yoichi Kawano
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo 113-8603, Japan;
| | - Masashi Toyoda
- Research team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Sakae-cho 35-2, Itabashi-ku, Tokyo 173-0015, Japan; (N.S.); (M.T.)
| | - Murray Korc
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California, Irvine, CA 92697, USA;
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan;
- Correspondence: ; Tel.: +81-3-3964-1141 (ext. 4414)
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Sasaki N, Hirabayashi K, Michishita M, Takahashi K, Hasegawa F, Gomi F, Itakura Y, Nakamura N, Toyoda M, Ishiwata T. Abstract 135: Increased expression of ganglioside GM2 correlates with aggressiveness of human pancreatic ductal adenocarcinoma. Cancer Res 2020. [DOI: 10.1158/1538-7445.am2020-135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
(a) Purpose: Gangliosides are molecules composed of glycosphingolipids linked with one or more sialic acids, and are known to be key components of lipid rafts, which act as platforms for signal transduction. Changes in ganglioside levels affect the expression of raft-associated proteins on the cell surface and lead to reduced membrane fluidity, thus, resulting in cellular dysfunction, such as impaired signal transduction. The ganglioside GM2 is one of the major series of gangliosides that has several biological functions, such as in cell adhesion and signal transduction. GM2 is highly expressed in several types of human malignant tumors, such as melanomas, gliomas, and neuroblastomas, but is absent or weakly expressed in normal tissues. However, the association between gangliosides and pancreatic ductal adenocarcinoma (PDAC) has not been elucidated yet. Thus, in this study, we aimed to clarify the expression and role of ganglioside GM2 in PDAC.
(b) Experimental procedures: GM2 expression in eight human PDAC cell lines was examined by fluorescence-activated cell sorter (FACS) analysis. The morphology, growth, and stemness of GM2- and GM2+ sorted-cells were compared by transmission electron microscopy, growth assays, real-time PCR analysis of the markers of stemness, and sphere forming assays. Cell motility was evaluated by invasion assay. For comparing tumorigenicity between the GM2- and GM2+ sorted-cells, heterotopic implantations were performed. The expression levels and clinico-pathological roles of GM2 in patients with PDAC were examined by immunohistochemical analysis of 117 pancreatic tissue samples.
(c) Results: The fraction of GM2+ cells was the highest (21.4%) in MIA PaCa-2 from among the eight cell lines, as revealed by FACS analysis. GM2-expressing MIA PaCa-2 cells had higher growth rates under adherent growth conditions. In 3D-culture, which enriches cancer stem cells (CSCs), most MIA PaCa-2 cells expressed GM2 and the cells responded to TGF-β1 treatment to promote invasion. Transplantation of the GM2-expressing cells into nude mice resulted in development of larger tumors as compared to that for control cells that did not express GM2. In the PDAC cases, GM2 expression was significantly associated with younger age, larger tumor size, advanced stage, and higher histological grade.
(d) Conclusions: We show that a PDAC cell line overexpressing GM2 exhibits high growth rate and high tumor initiation in 2D-culture. Further, pancreatic CSC-like cells expressing GM2 exhibit responsiveness against TGF-β1, resulting in enhanced invasion in 3D-culture. Furthermore, GM2 expression is associated with the growth and advanced stage of human PDAC. Further studies will be required for the development of an early detection method for GM2-overexpressing pancreatic cancers and to develop novel therapeutic strategies targeting GM2.
Citation Format: Norihiko Sasaki, Kenichi Hirabayashi, Masaki Michishita, Kimimasa Takahashi, Fumio Hasegawa, Fujiya Gomi, Yoko Itakura, Naoya Nakamura, Masashi Toyoda, Toshiyuki Ishiwata. Increased expression of ganglioside GM2 correlates with aggressiveness of human pancreatic ductal adenocarcinoma [abstract]. In: Proceedings of the Annual Meeting of the American Association for Cancer Research 2020; 2020 Apr 27-28 and Jun 22-24. Philadelphia (PA): AACR; Cancer Res 2020;80(16 Suppl):Abstract nr 135.
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Affiliation(s)
| | | | | | | | - Fumio Hasegawa
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Fujiya Gomi
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoko Itakura
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Masashi Toyoda
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Shinji S, Sasaki N, Yamada T, Koizumi M, Ohta R, Matsuda A, Takahashi G, Hotta M, Iwai T, Hara K, Takeda K, Ueda K, Kuriyama S, Ishiwata T, Yoshida H. Abstract 6015: A newly established neuroendocrine carcinoma cell line from a human ascending colon tumor shows high proliferation and CD133 expression in spherical cancer stem cell-like formation. Cancer Res 2020. [DOI: 10.1158/1538-7445.am2020-6015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
BACKGROUND: The current incidence of neuroendocrine tumor (NET) is 0.6 cases per 100,000 people, although it has increased 50-fold over the last 35 years and is becoming increasingly clinically important. Neuroendocrine carcinoma (NEC) is a type of malignant NET associated with poor prognoses. However, the molecular basis and clinical characteristics of NEC have not yet been fully investigated due to a lack of patient biopsies to derive cell lines and established cell lines. Here, we report a newly established and characterized NEC cell line (SS-2) derived from a human ascending colon tumor. Furthermore, we investigated the ability of SS-2 cells to form spherical cancer stem cells (CSCs) and express CSC markers.
MATERIALS AND METHODS: The SS-2 cell line was derived from a tumor resection of the ascending colon from 59-year old Japanese woman with stage four NEC. The Ki-67 labeling index of the resected tumor was >20% and, thus, the tumor was diagnosed as NEC. The characteristics of SS-2 cells transplanted subcutaneously into nude mice was determined. siRNA suppression of the neuroendocrine marker, INSM-1 was detected in SS-2 cells by western blotting. Additionally, SS-2 cells were seeded onto ultra-low attachment plates to detect sphere-formation and the expression of CSC markers, with confirmation by FACS analysis. Additionally, we compared the effect of commonly-used anti-colorectal chemotherapeutics on SS-2 cells and conventional colorectal cancer cells (Caco-2) using cell viability assay. Statistical analysis was done using Student's t test with P-values < 0.05 considered statistically significant.
RESULTS: Characteristics of the resected tumor were retained in the SS-2 cells and in the xenograft in nude mice. INSM-1 was detected in SS-2 cell lysates and in nuclei of established SS-2 cells. siRNA targeting INSM-1 decreased INSM-1 mRNA levels but did not affect levels of chromogranin A and synaptophysin mRNA. SS-2 cells formed spheres when seeded onto ultra-low attachment plates that expressed higher levels of CD133 compared to SS-2 cells cultured under adherent conditions, which was also confirmed upon FACS analysis. After the addition of oxaliplatin and 5-FU, cell viabilities were higher in SS-2 cells than Caco-2 cells.
CONCLUSION: We established a novel NEC cell line, derived from a human ascending colon tumor, which we transplanted into nude mice. We determined that the CSC marker, CD133 is highly expressed in SS-2 cells, and hence posit that combination therapy of chemotherapeutics together with anti-CSC therapy may have increased efficacy against NEC.
Citation Format: Seiichi Shinji, Norihiko Sasaki, Takeshi Yamada, Michihiro Koizumi, Ryo Ohta, Akihisa Matsuda, Goro Takahashi, Masahiro Hotta, Takuma Iwai, Keisuke Hara, Kohki Takeda, Koji Ueda, Sho Kuriyama, Toshiyuki Ishiwata, Hiroshi Yoshida. A newly established neuroendocrine carcinoma cell line from a human ascending colon tumor shows high proliferation and CD133 expression in spherical cancer stem cell-like formation [abstract]. In: Proceedings of the Annual Meeting of the American Association for Cancer Research 2020; 2020 Apr 27-28 and Jun 22-24. Philadelphia (PA): AACR; Cancer Res 2020;80(16 Suppl):Abstract nr 6015.
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Affiliation(s)
| | | | | | | | - Ryo Ohta
- 1Nippon Medical School, Tokyo, Japan
| | | | | | | | | | | | | | - Koji Ueda
- 1Nippon Medical School, Tokyo, Japan
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Nio M, Tajima K, Sugaya N, Ishiwata T, Iwase T, Kato H, Hashizume M. AB0435 RISK OF SERIOUS INFECTION IN LUPUS NEPHRITIS AND RHEUMATOID ARTHRITIS MEASURED USING THE JAPANESE REAL WORLD HOSPITAL CLAIMS DATABASE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Patients with lupus nephritis (LN) and rheumatoid arthritis (RA) are at risk of serious infections (SIs) due to the impact of the disease itself and treatments that modulate immune system. Though the epidemiology of RA has been well-established by developing many targeted DMARDs (tDMARDs) including biologics and targeted synthesized DMARDs, LN is a very rare disease. Therefore, a large sample size with a significant number of cases is required to determine the exact risk of SIs in LN.Objectives:To compare the incidence rates of SIs resulting in an inpatient claim in adult patients with LN compared with RA with or without tDMARDs using hospital claims data in Japan.Methods:LN and RA were identified using claims data provided by Medical Data Vision Co., Ltd (Tokyo, Japan) between April 2008 and June 2019 which was extracted 5thSeptember 2019. Data between January 2010 and December 2018 was used for analysis. Patients with LN and RA were identified using modifications to algorithms developed before [1, 2]. LN patients were required to have continuous insurance claim for both systemic lupus erythematosus (SLE) and LN for ≥ 6 months after index date and then RA patients had continuous insurance claim for RA for ≥ 6 months after index date. First incident SIs were defined as those that resulted in an inpatient claim for a pre-specified set of ICD-10 code. Incidence rates (IRs) were calculated along with 95% confidence intervals (CI).Results:The LN, RA, RA treated with tDMARDs and RA treated without tDMARDs cohorts included 6,403, 108,317, 16,450, and 91,867 patients, respectively. As anticipated, the LN and RA cohorts were predominantly female and the RA cohort was generally older than the LN cohorts. IRs per 1,000 person-year(PY) [95% CI] for pneumocystis carini pneumonia were 28.2 [26.0-30.4] in LN, 8.5 [8.2-8.8] in RA, 12.6 [11.7-13.5] in RA with tDMARDs and 7.7 [7.4-8.0] in RA without tDMARDs. IRs per 1,000 PY for septicaemia infection were 23.3 [21.3-25.3] in LN, 12.1 [11.7-12.4] in RA, 13.3 [12.3-14.2] in RA with tDMARDs and 11.8 [11.5-12.2] in RA without tDMARDs. IRs per 1,000 PY for cytomegalovirus infection were 13.4 [11.9-14.9] in LN, 4.4 [4.2-4.6] in RA, 6.2 [5.6-6.8] in RA with tDMARDs and 4.1 [3.8-4.3] in RA without tDMARDs. IRs per 1,000 PY for tuberculosis were 7.2 [6.0-8.3] in LN, 6.7 [6.5-7.0] in RA, 18.2 [17.1-19.3] in RA with tDMARDs and 4.4 [4.2-4.7] in RA without tDMARDs.Conclusion:In this population-based analysis of claims data from Japan, the IRs of SI such as pneumocystis carini pneumonia, septicemia infection and cytomegalovirus infection were higher in LN than in RA. And also, the incidence of tuberculosis in RA treated with tDMARDs was highest among these cohorts. These findings demonstrate the relative contribution of age, immunosuppressive therapies and disease-related factors in LN and RA.References:[1]Pawar A, et al. Ann Rheum Dis. 2019 Apr;78(4):456-464. [2] ChibnikLB et al. Lupus, 2010. May;19(6):741-3.Table 1.Description of study populationLNRAtDMARDsNon tDMARDsN%N%N%N%Age (years) 18-34170026.690158.3182811.171877.8 35-44174327.21666215.4281617.11384615.1 45-54156324.42995527.7445227.12550327.8 55-64139721.85268548.6735444.74533149.3Gender Female538584.17841972.41265376.96576671.6 Male101815.92989827.6379723.12610128.4Table 2.IRs per 1,000 PY [95% CI] of SI for LN and RA patientsLN total PY = 22065RA total PY = 365033tDMARDsNon tDMARDstotal PY = 60999total PY = 304034Pneumocystis carinipneumonia28.2 [26.0-30.4]8.5 [8.2-8.8]12.6 [11.7-13.5]7.7 [7.4-8.0]Septicaemia23.3 [21.3-25.3]12.1 [11.7-12.4]13.3 [12.3-14.2]11.8 [11.5-12.2]Cytomegalovirusinfection13.4 [11.9-14.9]4.4 [4.2-4.6]6.2 [5.6-6.8]4.1 [3.8-4.3]Tuberculosis7.2 [6.0-8.3]6.7 [6.5-7.0]18.2 [17.1-19.3]4.4 [4.2-4.7]Mycosis5.1 [4.1-6.0]2.7 [2.6-2.9]4.6 [4.1-5.1]2.4 [2.2-2.5]Aspergillosis4.7 [3.8-5.6]2.7 [2.5-2.9]2.1 [1.7-2.5]2.8 [2.6-3.0]Herpes3.3 [2.5-4.0]2.4 [2.2-2.6]2.9 [2.5-3.3]2.3 [2.1-2.5]Disclosure of Interests:Mariko Nio Employee of: Chugai Pharmaceutical Co., Ltd., Kosei Tajima Employee of: Chugai Pharmaceutical Co., Ltd., Naofumi Sugaya Employee of: Chugai Pharmaceutical Co., Ltd., Tomoyuki Ishiwata Employee of: Chugai Pharmaceutical Co., Ltd., Tatsuhiko Iwase Employee of: Chugai Pharmaceutical Co., Ltd., hiroyuki kato Employee of: Chugai Pharmaceutical Co., Ltd., Misato Hashizume Employee of: Chugai Pharmaceutical Co., Ltd.
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Nonaka K, Aida J, Takubo K, Yamazaki Y, Gao X, Komatsu A, Takakuma S, Kakizaki M, Inoshita N, Gomi F, Ishiwata T, Chong JM, Arai T, Sasano H. Correlation Between Telomere Attrition of Zona Fasciculata and Adrenal Weight Reduction in Older Men. J Clin Endocrinol Metab 2020; 105:5634040. [PMID: 31745564 DOI: 10.1210/clinem/dgz214] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 11/19/2019] [Indexed: 02/07/2023]
Abstract
CONTEXT Although numerous theories are reported on sex differences in longevity, the underlying biological mechanisms remain unknown. We previously reported that telomere length in the zona reticularis cells of the human adrenal cortex was significantly longer in older than that in younger subjects. However, we could not evaluate sex differences in the telomere lengths. OBJECTIVE To compare the telomere lengths of adrenocortical and adrenal medullar cells between men and women from infancy through older adulthood. METHODS Adrenal glands of 30 male (aged 0 to 100 years) and 25 female (aged 0 to 104 years) autopsied subjects were retrieved from autopsy files. Using quantitative fluorescence in situ hybridization, relative telomere lengths were determined in the parenchymal cells of the 3 adrenocortical zones and medulla. Age-related changes in the weight of adrenal glands were also investigated. MAIN RESULTS Older male subjects (aged 65 years or older) had significantly shorter telomere lengths in zona fasciculata (ZF) cells compared to the corresponding female subjects. In men, older subjects exhibited a significant age-related reduction in adrenal weight; however, no age-related changes in adrenal weight were detected in women. CONCLUSION Telomere attrition of ZF cells was correlated with adrenal weight reduction in older men but not in older women, suggesting a decreased number of ZF cells in older men. This may help us understand the possible biological mechanisms of sex difference in longevity of humans.
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Affiliation(s)
- K Nonaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
- Department of Pathology, Tohoku University Graduate School of Medicine, Seiryo-machi, Aoba-ku, Sendai, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Yuto Yamazaki
- Department of Pathology, Tohoku University Graduate School of Medicine, Seiryo-machi, Aoba-ku, Sendai, Japan
| | - Xin Gao
- Department of Pathology, Tohoku University Graduate School of Medicine, Seiryo-machi, Aoba-ku, Sendai, Japan
| | - Akiko Komatsu
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Shoichiro Takakuma
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Mototsune Kakizaki
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Naoko Inoshita
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Ja-Mun Chong
- Department of Pathology, Tokyo Metropolitan Health and Medical Treatment Corporation Toshima Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku, Tokyo, Japan
| | - Hironobu Sasano
- Department of Pathology, Tohoku University Graduate School of Medicine, Seiryo-machi, Aoba-ku, Sendai, Japan
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Wang T, Matsuda Y, Nonaka K, Kakizaki M, Ishiwata T, Kanazawa N, Uegaki S, Muramatsu M, Sawabe M, Mori S, Tanaka M, Kitagawa M, Arai T. Clinicopathological characteristics of gastric cancer with carbohydrate antigen 19-9 expression occurring in elderly individuals: An autopsy study. Pathol Int 2019; 70:92-100. [PMID: 31867815 DOI: 10.1111/pin.12882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 11/19/2019] [Indexed: 01/13/2023]
Abstract
The clinicopathological significance of carbohydrate antigen 19-9 (CA19-9) in gastric cancer (GC) remains obscure. Therefore, the current study aimed to clarify the clinicopathological value of CA19-9 in GC utilizing autopsy cases. We examined the expression of CA19-9 and mucin core proteins in GC immunohistochemically, and analyzed serum CA19-9 levels and clinicopathological variables or complications. We also investigated whether fucosyltransferases 2 and 3 (FUT2/3) allelic variants influence CA19-9 expression in GC. Compared to GC cases with negative CA19-9 expression (tCA19-9-N), those with positive CA19-9 expression (tCA19-9-P) demonstrated significant differences in characteristic features such as lymph node and distant organ metastases, lymphatic and venous permeation, and higher Tumor, Node, Metastasis (TNM) stages. Moreover, compared to GC cases with low serum CA19-9 levels (sCA19-9-L), those with high serum CA19-9 levels (sCA19-9-H) were related to venous permeation, higher proportion of lymph node and distant organ metastases, and higher TNM stages. Both tCA19-9-P GC and sCA19-9-H GC cases were significantly associated with coagulation abnormalities. sCA19-9-H GC cases correlated significantly with MUC1 and MUC5AC expression. FUT2/3 genotypes were not associated with CA19-9 expression in GC. These results suggest that CA19-9 can predict the risk of lymph node and distant metastases as well as of coagulation abnormalities.
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Affiliation(s)
- Tan Wang
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.,Departments of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan.,Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoko Matsuda
- Departments of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan.,Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Keisuke Nonaka
- Departments of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Mototsune Kakizaki
- Departments of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Nobuo Kanazawa
- Departments of Surgery, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Satoko Uegaki
- Departments of Gastroenterology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Masaaki Muramatsu
- Department of Molecular Epidemiology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Motoji Sawabe
- Department of Molecular Pathology, Graduate School of Health Care Science, Tokyo Medical and Dental University, Tokyo, Japan
| | - Seijiro Mori
- Departments of Endocrinology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Masashi Tanaka
- Department of Laboratory Medicine, IMS Miyoshi General Hospital, Saitama, Japan
| | - Masanobu Kitagawa
- Department of Comprehensive Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tomio Arai
- Departments of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
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Sasaki N, Hirabayashi K, Michishita M, Takahashi K, Hasegawa F, Gomi F, Itakura Y, Nakamura N, Toyoda M, Ishiwata T. Ganglioside GM2, highly expressed in the MIA PaCa-2 pancreatic ductal adenocarcinoma cell line, is correlated with growth, invasion, and advanced stage. Sci Rep 2019; 9:19369. [PMID: 31852956 PMCID: PMC6920443 DOI: 10.1038/s41598-019-55867-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/03/2019] [Indexed: 12/28/2022] Open
Abstract
Gangliosides, a group of glycosphingolipids, are known to be cell surface markers and functional factors in several cancers. However, the association between gangliosides and pancreatic ductal adenocarcinoma (PDAC) has not been well elucidated. In this study, we examined the expression and roles of ganglioside GM2 in PDAC. GM2+ cells showed a higher growth rate than GM2− cells in the adherent condition. When GM2– and GM2+ cells were cultured three-dimensionally, almost all cells in the spheres expressed GM2, including cancer stem cell (CSC)-like cells. A glycolipid synthesis inhibitor reduced GM2 expression and TGF-β1 signaling in these CSC-like cells, presumably by inhibiting the interaction between GM2 and TGFβ RII and suppressing invasion. Furthermore, suppression of GM2 expression by MAPK inhibition also reduced TGF-β1 signaling and suppressed invasion. GM2+ cells formed larger subcutaneous tumors at a high incidence in nude mice than did GM2– cells. In PDAC cases, GM2 expression was significantly associated with younger age, larger tumor size, advanced stage and higher histological grade. These findings suggest that GM2 could be used as a novel diagnostic and therapeutic target for PDAC.
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan.
| | - Kenichi Hirabayashi
- Department of Pathology, Tokai University School of Medicine, Kanagawa, 259-1193, Japan
| | - Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Kimimasa Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Fumio Hasegawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Yoko Itakura
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Naoya Nakamura
- Department of Pathology, Tokai University School of Medicine, Kanagawa, 259-1193, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan.
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27
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Shinji S, Sasaki N, Yamada T, Koizumi M, Ohta R, Matsuda A, Yokoyama Y, Takahashi G, Hotta M, Hara K, Takeda K, Ueda K, Kuriyama S, Ishiwata T, Ueda Y, Murakami T, Kanazawa Y, Yoshida H. Establishment and characterization of a novel neuroendocrine carcinoma cell line derived from a human ascending colon tumor. Cancer Sci 2019; 110:3708-3717. [PMID: 31648389 PMCID: PMC6890439 DOI: 10.1111/cas.14221] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/19/2019] [Accepted: 10/21/2019] [Indexed: 01/15/2023] Open
Abstract
The incidence of rare neuroendocrine tumors (NET) is rapidly increasing. Neuroendocrine carcinoma (NEC) is a NET with poorly differentiated histological features, high proliferative properties and associated poor prognoses. As these carcinomas are so rare and, thus, affect only a small number of patients allowing for few cell lines to be derived from patient biopsies, the histological, immunohistochemical, and clinical characteristics associated with colorectal NEC and NEC in other organs have yet to be clearly defined. Herein, we describe the establishment of a novel NEC cell line (SS‐2) derived from a tumor resection of the ascending colon from a 59‐year‐old Japanese woman. The histological, electron microscopic and immunohistochemical features of chromogranin A (CgA) as well as confirmation of synaptophysin positivity in this tumor were typical of those commonly observed in surgically resected colorectal NEC. Further, the Ki‐67 labeling index of the resected tumor was >20% and, thus, the tumor was diagnosed as an NEC of the ascending colon. The SS‐2 cell line maintained characteristic features to those of the resected tumor, which were further retained following implantation into subcutaneous tissues of nude mice. Additionally, when SS‐2 cells were seeded into ultra‐low attachment plates, they formed spheres that expressed higher levels of the cancer stem cell (CSC) marker CD133 compared to SS‐2 cells cultured under adherent conditions. SS‐2 cells may, therefore, contribute to the current knowledge on midgut NEC biological function while providing a novel platform for examining the effects of colorectal NEC drugs, including CSC.
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Affiliation(s)
- Seiichi Shinji
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Takeshi Yamada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Michihiro Koizumi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Ryo Ohta
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Akihisa Matsuda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Yasuyuki Yokoyama
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Goro Takahashi
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Masahiro Hotta
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Keisuke Hara
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Kohki Takeda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Koji Ueda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Sho Kuriyama
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoshibumi Ueda
- Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Takashi Murakami
- Department of Microbiology, Saitama Medical University, Saitama, Japan
| | - Yoshikazu Kanazawa
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Hiroshi Yoshida
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
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28
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Nonaka K, Aida J, Takubo K, Yamazaki Y, Takakuma S, Kakizaki M, Matsuda Y, Ishikawa N, Ishiwata T, Chong JM, Arai T, Sasano H. Correlation Between Differentiation of Adrenocortical Zones and Telomere Lengths Measured by Q-FISH. J Clin Endocrinol Metab 2019; 104:5642-5650. [PMID: 31219569 DOI: 10.1210/jc.2019-00592] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 06/14/2019] [Indexed: 12/18/2022]
Abstract
CONTEXT Adrenocortical zonation is associated with a markedly complex developmental process, and the pathogenesis and/or etiology of many disorders of adrenocortical zonal development have remained unknown. Cells from the three adrenocortical zones are morphologically and functionally differentiated, and the mature stage of cell development or senescence has been recently reported to be correlated with telomere length. However, the telomere length of each adrenocortical zonal cell has not yet been studied in human adrenal glands. OBJECTIVE We aimed to study the telomere lengths of adrenocortical parenchymal cells from three different zones of the adrenal glands present during childhood, adolescence, and adulthood. METHODS Adrenal glands of 30 autopsied subjects, aged between 0 and 68 years, were retrieved from pathology files. The normalized telomere to centromere ratio (NTCR), an index of telomere length, was determined in the parenchymal cells of the zona glomerulosa, zona fasciculata, and zona reticularis (ZR), using quantitative fluorescence in situ hybridization. RESULTS NTCR of ZR cells was the longest, followed in decreasing order by that of zona glomerulosa and zona fasciculata cells in subjects aged 20 to 68 years, but no substantial differences in NTCR were detected among these three zones in the group <20 years of age. NTCR of ZR increased with age in subjects aged 20 to 68 years, whereas no important age-dependent changes in NTCR were detected in the group <20 years of age. CONCLUSION The telomere lengths for three zones in adrenal cortex were correlated with their differentiation in adulthood but not in childhood and adolescence.
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Affiliation(s)
- Keisuke Nonaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
- Department of Pathology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Yuto Yamazaki
- Department of Pathology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
| | - Shoichiro Takakuma
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Mototsune Kakizaki
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Naoshi Ishikawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Ja-Mun Chong
- Department of Pathology, Tokyo Metropolitan Health and Medical Treatment Corporation Toshima Hospital, Itabashi-ku, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Hironobu Sasano
- Department of Pathology, Tohoku University Graduate School of Medicine, Aoba-ku, Sendai, Japan
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29
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Aida J, Yokoyama A, Hara S, Ishizaki T, Fujiwara M, Arai T, Ishiwata T, Takubo K. Telomere shortening in the oral epithelium in relation to alcohol intake, alcohol dehydrogenase (ADH-1B), and acetaldehyde dehydrogenase (ALDH-2) genotypes and clinicopathologic features. J Oral Pathol Med 2019; 49:82-90. [PMID: 31402483 DOI: 10.1111/jop.12947] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 08/04/2019] [Accepted: 08/06/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND Progressive telomere shortening with age or chronic inflammation may lead to genomic instability that characterizes the early stage of carcinogenesis. Certain risk factors, such as drinking alcoholic beverages or smoking, predispose the oral mucosa to squamous cell carcinoma. The ADH1B and ALDH2 genotypes can influence the risk of cancer due to alcohol drinking. In the present study, we analyzed chromosomal instability due to telomere shortening in the oral mucosa in relation to cancer risk factors. DESIGN Using our quantitative fluorescence in situ hybridization (Q-FISH) technique, we estimated telomere lengths (TL) in the background mucosa from 23 cases of mucosal carcinoma, 12 cases of oral epithelial dysplasia, and 21 non-neoplasia cases. ALDH2 and ADH1B genotypes were determined using DNA extracted from paraffin sections. We analyzed TL in relation to alcohol drinking, smoking, and cancer multiplicity. RESULTS Telomeres in the backgrounds of dysplasia and mucosal carcinoma were significantly shorter than in controls. In comparison with adult controls, telomeres were significantly (P = .038) shorter in the ADH1B less-active type (ADH1B*1/*1), but not (P = .841) in the ALDH2 inactive type (ALDH2*1/*2 or *2/*2). Cancer multiplicity and smoking had no significant relationship with TL. CONCLUSION Telomeres in the oral epithelium are shorter in cases of oral dysplasia or mucosal carcinoma than in non-neoplasia. Unlike the esophageal epithelium of alcoholics, they are also shorter in individuals with the less-active rather than the active ADH1B gene. Telomeres in the oral epithelium may be directly affected by alcohol drinking.
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Affiliation(s)
- Junko Aida
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Akira Yokoyama
- Clinical Research Unit, National Hospital Organization Kurihama Alcoholism Center, Yokosuka, Kanagawa, Japan
| | - Sachiko Hara
- Department of Laboratory Medicine, National Hospital Organization Kurihama Alcoholism Center, Yokosuka, Kanagawa, Japan
| | - Tatsuro Ishizaki
- Human Care Research Team, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Mutsunori Fujiwara
- Department of Clinical Medicine, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kaiyo Takubo
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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30
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Matsuda Y, Fujii Y, Matsukawa M, Ishiwata T, Nishimura M, Arai T. Overexpression of carbohydrate sulfotransferase 15 in pancreatic cancer stroma is associated with worse prognosis. Oncol Lett 2019; 18:4100-4105. [PMID: 31516610 PMCID: PMC6732957 DOI: 10.3892/ol.2019.10764] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/11/2019] [Indexed: 12/17/2022] Open
Abstract
Carbohydrate sulfotransferase 15 (CHST15) synthesizes matrix proteoglycan that regulates various pathogenic mediators and contributes to tissue remodeling and fibrosis during injury. CHST15 has been reported to promote tumor growth and invasion in various types of cancer. Our previous study reported the safety and efficacy of EUS-guided fine-needle injection (EUS-FNI) of STNM01, a double-stranded RNA oligonucleotide that specifically represses CHST15, for use in patients with pancreatic cancer. The present study aimed to determine the expression and clinicopathological characteristics of CHST15 in pancreatic cancer. Immunohistochemical staining was performed for CHST15 using pancreatic tissues from 64 patients (28 males and 36 females; age, 69.0±9.6 years) with pancreatic cancer who underwent surgery. For the evaluation of fibrosis, two categories were defined (mature and immature), based on the existence of collagen, myxoid stroma and fibroblasts, using hematoxylin and eosin specimens. The positive percentage of CHST15 was quantified, patients were divided into two groups according to high and low CHST15 expression in both the cancer and stroma tissues, and the association between CHST15 expression in cancer cells and the stroma was analyzed. Additionally, the present study analyzed the association between CHST15 expression and clinicopathological information, including overall and disease-free survival. The expression levels of CHST15 were detected in the cytoplasm of pancreatic cancer cells and fibroblasts in the cancer stroma. CHST15 expression in cancer cells was not identified to be associated with overall survival (P=0.52). However, patients with high CHST15 expression in the stroma exhibited worse overall survival compared with patients with low CHST15 expression (P=0.02). CHST15 expression in the stroma exhibited a positive association with that in cancer cells (P=0.01). High CHST15 expression in the stroma group was associated with a higher incidence of immature fibrosis (P=0.02) compared with mature fibrosis. CHST15 expression in cancer cells was associated with Union for International Cancer Control stage (P=0.02) and invasive front. Age and sex were not associated with CHST15 expression. The present study revealed that overexpression of CHST15 in stroma was associated with worse overall survival and immature fibrosis. Overexpression of CHST15 in cancer cells was associated with tumor stage. These results suggested that targeting therapy for CHST15 may be useful for stroma fibroblasts and cancer cells.
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Affiliation(s)
- Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi, Tokyo 173-0015, Japan.,Oncology Pathology, Department of Pathology and Host-Defense, Faculty of Medicine, Kagawa University, Kita, Kagawa 761-0793, Japan
| | - Yuko Fujii
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi, Tokyo 173-0015, Japan
| | - Miho Matsukawa
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi, Tokyo 173-0015, Japan
| | - Toshiyuki Ishiwata
- Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi, Tokyo 173-0015, Japan
| | - Makoto Nishimura
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi, Tokyo 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi, Tokyo 173-0015, Japan
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31
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Michishita M, Fujiwara-Igarashi A, Suzuki S, Hatakeyama H, Machida Y, Yoshimura H, Yamamoto M, Azakami D, Ochiai K, Ishiwata T, Fujita M. Diffuse Pulmonary Meningotheliomatosis with Sarcomatous Transformation in a Shiba Dog. J Comp Pathol 2019; 171:1-5. [PMID: 31540619 PMCID: PMC7094254 DOI: 10.1016/j.jcpa.2019.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 06/18/2019] [Accepted: 06/24/2019] [Indexed: 11/17/2022]
Abstract
A 2-year-old neutered female Shiba dog exhibited laboured breathing for 1 month. Computed tomography of the thoracic cavity revealed multiple nodules (2-5 mm diameter) in the lungs. Grossly, the lungs were firm and normal in shape. The nodules were grey-white in colour. Microscopically, the nodules were non-encapsulated and exhibited an irregular shape. They were composed of polygonal or spindle cells with indistinct cell borders arranged in sheets. The cells had large, round, hyperchromatic nuclei and abundant pale eosinophilic cytoplasm with no atypia. Intrapulmonary arterial emboli and infiltration into the bronchioles were observed. Immunohistochemically, the cells were positive for vimentin and negative for cytokeratin, glial fibrillary acidic protein and α-smooth muscle actin. Ultrastructurally, the cells displayed cytoplasmic processes, desmosomes and intermediate filaments. These findings led to a diagnosis of diffuse pulmonary meningotheliomatosis with sarcomatous transformation. To the best of our knowledge, this is the first report of diffuse pulmonary meningotheliomatosis in a dog.
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Affiliation(s)
- M Michishita
- Department of Veterinary Pathology, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo.
| | - A Fujiwara-Igarashi
- Division of Veterinary Radiology, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - S Suzuki
- Division of Veterinary Surgery, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - H Hatakeyama
- Laboratory of Comparative Cellular Biology, School of Veterinary Medicine, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - Y Machida
- Department of Veterinary Pathology, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - H Yoshimura
- Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - M Yamamoto
- Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - D Azakami
- Department of Veterinary Nursing, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
| | - K Ochiai
- Department of Basic Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Japan
| | - T Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - M Fujita
- Division of Veterinary Radiology, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo
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32
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Michishita M, Saito N, Nozawa S, Furumoto R, Nakagawa T, Sato T, Ochiai K, Azakami D, Katayama K, Nakahira R, Tazaki H, Machida Y, Ishiwata T. Metabolite profiling in sphere-forming cells from canine mammary adenocarcinoma cell lines using gas chromatography-mass spectrometry. J Vet Med Sci 2019; 81:1238-1248. [PMID: 31308293 PMCID: PMC6785626 DOI: 10.1292/jvms.19-0194] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Cancer consists of heterogeneous cells that contain a small population of cells that possess stem cell properties; these cells, referred to as cancer stem cells (CSCs) or tumor-initiating
cells, are involved in tumor progression and metastasis. Using a sphere-forming assay, canine mammary CSCs were found to be similar to human breast CSCs. Metabolic reprogramming has been
recognized as a hallmark of various cancers. However, the significance of cellular metabolism in CSCs remains unclear. The aim of this study was to define the metabolic characteristics of
CSCs derived from canine mammary tumors and gain an understanding of the maintenance of stemness. We identified metabolite profiles of canine mammary adenocarcinoma cell lines using gas
chromatography-mass spectrometry. Metabolites were extracted from both adherent and sphere-forming cells derived from three cell lines. Sphere-forming cells were separated from adherent
cells using an orthogonal, partial least-squares discriminant analysis. Sphere-forming cells were found to contain high levels of the amino acids alanine, glycine and proline compared with
adherent cells. They also had high levels of palmitoleate, palmitate and dihomo-gamma-linolenic acid compared with adherent cells. In a sphere-forming assay, palmitate increased the number
of spheres for all cell lines. These results indicate that the sphere-forming cells derived from canine mammary adenocarcinoma cell lines have specific metabolic profiles that may be useful
for the development of CSC-specific therapies targeting metabolic pathways and potential stemness biomarkers; these results also clarify the maintenance of stemness in canine mammary
CSCs.
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Affiliation(s)
- Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Namika Saito
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Satoshi Nozawa
- Department of Biomolecular Chemistry, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Rina Furumoto
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Science, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Touko Sato
- Department of Biomolecular Chemistry, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Kazuhiko Ochiai
- Department of Basic Science, School of Veterinary Nursing, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Daigo Azakami
- Department of Veterinary Nursing, School of Veterinary Nursing, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Kinya Katayama
- Department of Biomolecular Chemistry, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Rei Nakahira
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Hiroyuki Tazaki
- Department of Biomolecular Chemistry, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Yukino Machida
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
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Sasaki N, Toyoda M, Yoshimura H, Matsuda Y, Arai T, Itakura Y, Gomi F, Aida J, Ishiwata T. Abstract 3568: Metastasis-promoting role of H19 long non-coding RNA in pancreatic cancer cells. Cancer Res 2019. [DOI: 10.1158/1538-7445.am2019-3568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The H19 long non-coding RNA is highly expressed and carries out various functions in different types of cancers. Recently, we reported that H19 contributes to the metastasis of pancreatic ductal adenocarcinoma (PDAC) cells and its inhibition reduces metastasis in vivo. However, the molecular mechanisms underlying the metastasis-promoting role of H19 in PDAC cells remain unclear. With a focus on cancer stem cells (CSCs), we elucidated the mechanisms by which H19 regulates PDAC metastasis through the overexpression and knockdown of H19 in PDAC cells. To determine whether H19 is expressed heterogeneously or homogeneously in human PDAC cells, we examined its expression in PANC-1 cells using a highly sensitive in situ hybridization technique. Under 2D-culture conditions, PANC-1 cells showed heterogeneous H19 expression and the presence of small populations of H19-expressing cells. In contrast, numerous H19-expressing PANC-1 cells were detected in 3D-cultured spheres. These results suggest that H19 is expressed in CSC-like cells among PANC-1 cells. To investigate the involvement of H19 in the development of CSC characteristics, we examined self-renewal ability, anti-cancer drug resistance, and CSC-marker expression. Sphere formation of PDAC cells depended on H19expression. However, other CSC characteristics of the cells, including CSC-marker expression and anticancer-drug resistance were unaffected by H19 levels. In addition to its role in the development of CSC characteristics, we investigated the involvement of H19 in stromal invasion, which is a key step in the metastatic cascade. Although the invasion ability of PDAC cells was dependent on H19 expression, metalloproteinase activity, a key mediator of invasion, was independent of H19 expression. During the process of invasion, a critical event is the adhesion of cancer cells to the extracellular matrix. Therefore, we investigated whether H19 contributes to this cell-to-matrix adhesion step. We found that H19 promoted cell adhesion by regulating the expression of integrins and CD24. Notably, the increased adhesion of H19-overexpressing cells was blocked by an anti-β1-integrin antibody, which resulted in the inhibition of sphere formation and invasion. Taken together, H19 plays critical roles in CSC self-renewal and cell adhesion of PDAC cells that lead to invasion and metastasis. Our findings suggest that H19 represents a novel therapeutic target for the metastasis of pancreatic cancer.
Citation Format: Norihiko Sasaki, Masashi Toyoda, Hisashi Yoshimura, Yoko Matsuda, Tomio Arai, Yoko Itakura, Fujiya Gomi, Junko Aida, Toshiyuki Ishiwata. Metastasis-promoting role of H19 long non-coding RNA in pancreatic cancer cells [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2019; 2019 Mar 29-Apr 3; Atlanta, GA. Philadelphia (PA): AACR; Cancer Res 2019;79(13 Suppl):Abstract nr 3568.
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Affiliation(s)
| | - Masashi Toyoda
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Yoko Matsuda
- 3Tokyo Metropolitan Hospital and Institute of Gerontology, Tokyo, Japan
| | - Tomio Arai
- 3Tokyo Metropolitan Hospital and Institute of Gerontology, Tokyo, Japan
| | - Yoko Itakura
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Fujiya Gomi
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Junko Aida
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Sasaki N, Itakura Y, Gomi F, Hirano K, Toyoda M, Ishiwata T. Comparison of functional glycans between cancer stem cells and normal stem cells. Histol Histopathol 2019; 34:995-1007. [PMID: 31025698 DOI: 10.14670/hh-18-119] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cancer stem cells (CSCs) are a small group of cells within a tumor that preserve stemness and enhance regrowth of cancer cells. CSCs have important implications in resistance to conventional therapies and tumor relapse, although their detailed properties remain unknown. Thus, CSCs represent promising targets to improve cancer treatment. So far, a number of cell surface markers containing glycans have been exploited to identify and isolate CSCs. Cell surface glycans are well-known markers for specific cell types and also play important cellular roles, such as regulation of cell signaling. In normal stem cells, including embryonic and tissue stem cells, glycan markers in an undifferentiated state have been identified. These markers are mostly known to regulate signaling pathways required for maintenance of stemness. In contrast, CSC-specific glycans have not been well characterized yet. In this review, we summarize functional commonalities between CSCs and normal stem cells in glycan-mediated signaling pathways. Identification of CSC-specific glycans may lead to early diagnosis and radical treatment of cancer.
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
| | - Yoko Itakura
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kazumi Hirano
- Molecular Neurophysiology Research Group, Biomedical Research Institute, The National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
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Sasaki N, Toyoda M, Hasegawa F, Fujiwara M, Gomi F, Ishiwata T. Fetal bovine serum enlarges the size of human pancreatic cancer spheres accompanied by an increase in the expression of cancer stem cell markers. Biochem Biophys Res Commun 2019; 514:112-117. [PMID: 31027735 DOI: 10.1016/j.bbrc.2019.04.117] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 04/16/2019] [Indexed: 12/22/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a major histological type of pancreatic cancer and remains one of the most lethal cancers with a high mortality rate owing to its aggressive growth, high metastatic rate, and recurrence. Recent studies on cancer stem cells (CSCs) have suggested that the aggressive growth, high metastatic rate, and recurrence might be caused by the ability of CSCs to self-renew, differentiate, and drive tumorigenesis. Thus, CSCs are expected to be a therapeutic target for PDAC. Sphere forming assay of cancer cells, including PDAC cells, is commonly performed using epidermal growth factor and fibroblast growth factor-2 containing serum-free medium to identify and isolate the enriched CSCs. Recently, we observed that PDAC spheres cultured in fetal bovine serum containing medium are morphologically similar to spheres cultured in the growth factor containing medium. In this study, we cultured two PDAC cell lines, PANC-1 and PK-1, in growth factor containing serum-free medium or serum containing medium, and compared the morphology of the spheres formed in detail by electron microscopy and examined the expression of major CSC marker genes. Both the PDAC cells formed larger spheres in the serum containing medium than in the growth factor containing medium. PK-1 cells formed more morphologically differentiated spheres, with peripheral flat lining cells, in the serum containing medium. Expression levels of most of the CSC markers were higher in the spheres of the two PDAC cells in both the culture mediums than in the cells cultured under adherent conditions. The expression levels of CSC markers in PDAC spheres cultured in the growth factor containing medium were not necessarily higher than that in the spheres cultured in the serum containing medium. These findings suggest that sphere forming assay using serum containing medium, by which large PDAC spheres with enriched CSCs are formed, may be useful for deciphering the characteristics of CSCs and for developing anti-CSC therapies for PDAC.
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Fumio Hasegawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Masakazu Fujiwara
- Department of Molecular Pathophysiology, Institute of Advanced Medical Science, Nippon Medical School, Kanagawa, 211-8533, Japan
| | - Fujiya Gomi
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan.
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Matsuda Y, Tanaka M, Sawabe M, Mori S, Muramatsu M, Mieno MN, Ishiwata T, Arai T. The stem cell-specific intermediate filament nestin missense variation p.A1199P is associated with pancreatic cancer. Oncol Lett 2019; 17:4647-4654. [PMID: 30988821 DOI: 10.3892/ol.2019.10106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 02/21/2019] [Indexed: 11/06/2022] Open
Abstract
The intermediate filament nestin is upregulated in stem/progenitor cells and cancers, and regulates cell proliferation, migration, invasion and stemness. The present study comparatively analyzed serial autopsies of Japanese patients (n=2,206; males, 1,225; females, 981; median, 80.7 years old; range, 33-104 years old) with malignant tumors of whole organs, with respect to the clinical information, and 5 single nucleotide polymorphisms of the nestin gene. p.A1199P associated with pancreatic cancer (odds ratio, 4.4; 95% confidence interval, 1.9-10.0, P=0.001) while it did not associate with malignant neoplasms in other organs. p.A1199P did not associate with precancerous lesions of the pancreas. Single nucleotide polymorphisms of nestin were not associated with sex, drinking, smoking, or body weight. In conclusion, the amino acid 1,199 of nestin is localized in the tail structure of the filament and polymerizes with other intermediate filament proteins. The present results suggest that missense variations of nestin affect pancreatic carcinogenesis in Japanese patients.
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Affiliation(s)
- Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo 173-0015, Japan
| | - Masashi Tanaka
- Department of Genomics for Longevity and Health, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka 567-0085, Japan
| | - Motoji Sawabe
- Department of Molecular Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8549, Japan
| | - Seijiro Mori
- Center for Promotion of Clinical Investigation, Tokyo Metropolitan Geriatric Hospital, Tokyo 173-0015, Japan
| | - Masaaki Muramatsu
- Department of Molecular Epidemiology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 113-8549, Japan
| | - Makiko Naka Mieno
- Department of Medical Informatics, Center for Information, Jichi Medical University, Tochigi 329-0498, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo 173-0015, Japan
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Kawata R, Ii T, Hori T, Machida Y, Ochiai K, Azakami D, Ishiwata T, Michishita M. Leydig cell tumor in an Amur tiger (Panthera tigris altaica). J Vet Med Sci 2019; 81:186-189. [PMID: 30541983 PMCID: PMC6395220 DOI: 10.1292/jvms.18-0573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
A 14-year and 8-month-old intact male Amur tiger presented with an enlarged left testis,
measuring 5.7 × 5.5 × 4.5 cm. The cut surface was mottled dark red to reddish brown in
color. Microscopically, the enlarged left testis comprised round or polygonal neoplastic
cells arranged in a diffuse sheet pattern. These neoplastic cells had a hyperchromatic
nucleus and an abundant eosinophilic cytoplasm. Immunohistochemically, these neoplastic
cells were positive for vimentin, chromogranin A, synaptophysin, melan-A, inhibin-α, and
S100 and negative for desmin and WT-1. Based on these morphological and
immunohistochemical findings, the tumor was diagnosed as a Leydig cell tumor.
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Affiliation(s)
- Risako Kawata
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Tatsuhito Ii
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Tatsuya Hori
- Department of Veterinary Reproduction, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Yukino Machida
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Kazuhiko Ochiai
- Department of Basic Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
| | - Daigo Azakami
- Department of Veterinary Nursing, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo 180-8602, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino, Tokyo 180-8602, Japan
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Yoshimura H, Otsuka A, Michishita M, Yamamoto M, Ashizawa M, Zushi M, Moriya M, Azakami D, Ochiai K, Matsuda Y, Ishiwata T, Kamiya S, Takahashi K. Expression and Roles of S100A4 in Anaplastic Cells of Canine Mammary Carcinomas. Vet Pathol 2019; 56:389-398. [DOI: 10.1177/0300985818823772] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
S100A4 (metastasin), a member of the S100 protein family, was initially identified in metastatic cells and is well established as a marker of aggressive human cancer. However, expression and roles of S100A4 in canine mammary tumors have not been clarified. In this study, expression of S100A4 was examined immunohistochemically in normal, hyperplastic, and neoplastic mammary glands of dogs. In all normal and benign lesions, S100A4 was restricted to a few stromal fibroblasts and inflammatory cells. However, in 7 of 57 (12%) of the malignant tumors examined, cytoplasmic and nuclear expression of S100A4 was observed in epithelial tumor cells and stromal cells. Particularly, the frequency of S100A4-positive anaplastic carcinomas was high (4/8 cases, 50%). Next, we established a novel cell line, named NV-CML, from a S100A4-positive canine mammary carcinoma. The cultured NV-CML cells and the tumors that developed in the immunodeficient mice after subcutaneous injection of the cells maintained the immunophenotype of the original tumor, including S100A4 expression. Using this cell line, we examined the cellular functions of S100A4 using RNA interference. S100A4 expression level in NV-CML cells transfected with small interfering RNA (siRNA) targeting canine S100A4 (siS100A4) was reduced to about one-fifth of those with negative-control siRNA (siNeg). Cell proliferation in WST-8 assay and cell migration in Boyden chamber assay were significantly decreased in siS100A4-transfected cells compared with siNeg-transfected cells. These findings suggest that S100A4 may be related to progression of canine mammary carcinomas via its influence on cell growth and motility.
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Affiliation(s)
- Hisashi Yoshimura
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Aya Otsuka
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masami Yamamoto
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Minori Ashizawa
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Manami Zushi
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Maiko Moriya
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Daigo Azakami
- Department of Veterinary Nursing, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Kazuhiko Ochiai
- Department of Basic Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Shinji Kamiya
- Division of Animal Higher Function, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Kimimasa Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
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Nonaka K, Matsuda Y, Kakizaki M, Takakuma S, Hamamatsu A, Sakashita Y, Matsubara T, Murayama S, Ishiwata T, Yamanaka N, Itabashi M, Takei T, Nakajima N, Hasegawa H, Arai T. Acute Liver Failure Associated with Influenza A Virus Infection: an Autopsy Case Report. Jpn J Infect Dis 2019; 72:347-349. [DOI: 10.7883/yoken.jjid.2018.494] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Keisuke Nonaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital
| | | | | | | | - Yasuhiro Sakashita
- Department of Neuropathology (Brain Bank for Aging Research), Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | - Tomoyasu Matsubara
- Department of Neuropathology (Brain Bank for Aging Research), Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | - Shigeo Murayama
- Department of Neuropathology (Brain Bank for Aging Research), Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology
| | - Noriko Yamanaka
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital
| | | | - Takashi Takei
- Department of Nephrology, Tokyo Metropolitan Geriatric Hospital
| | - Noriko Nakajima
- Department of Pathology, National Institute of Infectious Diseases
| | - Hideki Hasegawa
- Department of Pathology, National Institute of Infectious Diseases
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital
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Nonaka K, Matsuda Y, Kakizaki M, Takakuma S, Matsubara T, Murayama S, Ishiwata T, Kameyama M, Ogura K, Kobayashi S, Arai T. Occult mucin-producing urothelial-type adenocarcinoma of the prostate with elevated serum levels of carcinoembryonic antigen and carbohydrate antigen 19-9: Report of an autopsy-proven case. Urol Case Rep 2018; 23:6-9. [PMID: 30505685 PMCID: PMC6260415 DOI: 10.1016/j.eucr.2018.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 11/14/2018] [Indexed: 11/17/2022] Open
Abstract
Mucin-producing urothelial-type adenocarcinoma of the prostate (MPUAP) is a rare, aggressive neoplasm thought to originate from the prostatic urethral urothelium. Our case is the first reported to show significantly increased serum levels of carcinoembryonic antigen (CEA) and carbohydrate antigen (CA) 19-9 in MPUAP. An autopsy revealed occult MPUAP with prominent seminal vesicle, perineural, lymphatic vessel, and vascular invasion and extensive bone metastases. Duration of survival in this case was far shorter than average, and extensive bone metastases were rare in previously reported cases. This suggests serum CEA and CA19-9 levels can be an important prognostic factor in MPUAP.
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Affiliation(s)
- Keisuke Nonaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Mototsune Kakizaki
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Shoichiro Takakuma
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Tomoyasu Matsubara
- Department of Neuropathology (Brain Bank for Aging Research), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Shigeo Murayama
- Department of Neuropathology (Brain Bank for Aging Research), Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Masashi Kameyama
- Department of Radiology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Kazuto Ogura
- Department of Hematology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Sumiko Kobayashi
- Department of Hematology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
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Azakami D, Saito A, Ochiai K, Ishiwata T, Takahashi K, Kaji N, Kaji D, Kaji N, Michishita M. Chronic Basophilic Leukaemia in a Dog. J Comp Pathol 2018; 166:5-8. [PMID: 30691606 DOI: 10.1016/j.jcpa.2018.10.170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 09/20/2018] [Accepted: 10/22/2018] [Indexed: 10/27/2022]
Abstract
A 13-year-old neutered female mixed-breed dog with a clinical history of emaciation, inappetence and vomiting for 2 months was presented. Blood tests showed marked leucocytosis with increased neutrophil and basophil count, mild thrombocytosis and anaemia. Seven days after the initial visit, the dog died and was submitted for necropsy examination. Grossly, the bone marrow was red in colour and hepatomegaly and splenomegaly with discolouration were observed. A bone marrow smear showed an increased proportion of basophilic lineage cells. Histologically, the bone marrow showed high cellular density and numerous basophilic lineage cells with a round or segmented nucleus. The cytoplasm contained basophilic granules exhibiting metachromasia on toluidine blue staining. Immunohistochemically, the neoplastic basophils were diffusely positive for vimentin and myeloperoxidase, but negative for CD3, BLA36, CD163, CD204 and c-kit. The immunohistochemical features of neoplastic basophils that had invaded the liver and spleen were similar to those of the basophils in the bone marrow. Based on the clinicopathological and histopathological findings, chronic basophilic leukaemia was diagnosed. The present case study provides insights into the pathological features of chronic basophilic leukaemia in dogs.
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Affiliation(s)
- D Azakami
- Department of Veterinary Nursing, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - A Saito
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - K Ochiai
- Department of Basic Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - T Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - K Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - N Kaji
- Kaji Animal Clinic, Fukuoka, Japan
| | - D Kaji
- Kaji Animal Clinic, Fukuoka, Japan
| | - N Kaji
- Kaji Animal Clinic, Fukuoka, Japan
| | - M Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, Japan.
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42
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Matsuda Y, Esaka S, Suzuki A, Hamashima Y, Imaizumi M, Matsukawa M, Fujii Y, Aida J, Takubo K, Ishiwata T, Nishimura M, Arai T. Abnormal immunolabelling of SMAD4 in cell block specimens to distinguish malignant and benign pancreatic cells. Cytopathology 2018; 30:201-208. [PMID: 30421464 DOI: 10.1111/cyt.12653] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 10/15/2018] [Accepted: 10/31/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND Accurate diagnosis of malignant and benign pancreatic lesions can be challenging, especially with endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) samples that are small and/or degraded. In the present study, we determined how to best evaluate abnormal SMAD4 expression by immunohistochemical staining on cell block specimens from EUS-FNA samples. RESULTS In surgically resected pancreas, when abnormal SMAD4 immunolabelling was evaluated as negative SMAD4 expression, the sensitivity was low (33%), but when it was evaluated as decreased SMAD4 expression, the sensitivity improved (53%). Specificity and positive predictive value were high for both evaluations. There were no false-positive cases. In cell block specimens, decreased SMAD4 expression showed 47% sensitivity and 72% specificity, while negative SMAD4 expression showed lower sensitivity (20%) and higher specificity (100%). Both evaluations in cell block specimens showed lower sensitivity and specificity compared to resected specimens. False-positive and -negative rates were higher for cell blocks than for resected specimens. CONCLUSIONS Decreased SMAD4 immunolabelling provided improved sensitivity as compared to negative SMAD4 immunolabelling; therefore, it is important to compare SMAD4 expression in a sample to its expression in normal cells. Abnormal SMAD4 labelling showed low sensitivity and high specificity; therefore, SMAD4 staining using EUS-FNA samples might be helpful to detect malignancies that possess SMAD4 gene abnormalities.
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Affiliation(s)
- Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Shikine Esaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Akemi Suzuki
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Yuri Hamashima
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Masayuki Imaizumi
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Miho Matsukawa
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Yuko Fujii
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Junko Aida
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Kaiyo Takubo
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Tokyo, Japan
| | - Makoto Nishimura
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Tokyo, Japan
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Ishiwata T, Matsuda Y, Yoshimura H, Sasaki N, Ishiwata S, Ishikawa N, Takubo K, Arai T, Aida J. Pancreatic cancer stem cells: features and detection methods. Pathol Oncol Res 2018; 24:797-805. [PMID: 29948612 DOI: 10.1007/s12253-018-0420-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 05/17/2018] [Indexed: 02/06/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignancy with a high incidence of distant metastasis and recurrence. Cancer stem cells (CSCs), which are pluripotent, self-renewable, and capable of forming tumors, contribute to PDAC initiation and metastasis and are responsible for resistance to chemotherapy and radiation. Three types of experimental methods are commonly used to identify CSCs: CSC-specific marker detection, a sphere-formation assay that reveals cell proliferation under non-adherent conditions, and detection of side-population (SP) cells that possess high intracellular-to-extracellular pump functions. Several CSC-specific markers have been reported in PDACs, including CD133, CD24, CD44, CXCR4, EpCAM, ABCG2, c-Met, ALDH-1, and nestin. There remains controversy regarding which markers are specific to PDAC CSCs and which are expressed alone or in combination in CSCs. Examining characteristics of isolated CSCs and discovering CSC-specific treatment options are important to improve the prognosis of PDAC cases. This review summarizes CSC-detection methods for PDAC, including CSC-marker detection, the sphere-formation assay, and detection of SP cells.
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Affiliation(s)
- Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan.
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Hisashi Yoshimura
- Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, 180-0022, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Shunji Ishiwata
- Division of Medical Pharmaceutics & Therapeutics, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Naoshi Ishikawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo, 173-0015, Japan
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Tomita KI, Aida J, Izumiyama-Shimomura N, Nakamura KI, Ishikawa N, Matsuda Y, Arai T, Ishiwata T, Kumasaka T, Takahashi-Fujigasaki J, Hiraishi N, Yamada M, Fujiwara M, Takubo K. Changes in telomere length with aging in human neurons and glial cells revealed by quantitative fluorescence in situ hybridization analysis. Geriatr Gerontol Int 2018; 18:1507-1512. [PMID: 30095207 DOI: 10.1111/ggi.13500] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/18/2018] [Accepted: 07/02/2018] [Indexed: 11/28/2022]
Abstract
AIM The telomere is a structure present at the ends of chromosomes, and is known to shorten with aging and successive rounds of cell division. However, very little is known about telomere attrition in post-mitotic cells, such as neurons. METHODS Using our originally developed quantitative fluorescence in situ hybridization method, we analyzed age-dependent alterations of telomere length in three types of cells in the human cerebrum: neurons and glial cells in both the gray and white matter. RESULTS In adults, telomeres were significantly longer in neurons than in glial cells, whereas in infants, telomere lengths did not differ among the three cell types. No aging-related telomere attrition was evident in neurons. However, the telomeres of glial cells were shorter in older individuals than in younger individuals, and attrition was more rapid in the white matter than in the gray matter. CONCLUSIONS The present results suggest that the telomeres of neurons remain stable throughout life, whereas telomeres in white matter glial cells become significantly shorter with age. Examination of adults showed no significant correlation between telomere length and age in the three cell types. Although the present study was cross-sectional, the results suggest that telomere shortening before adolescence contributes to the significant decrease of telomere length in white matter glial cells. The present findings in normal cerebral tissues will be informative for future studies of telomere stability in the diseased brain. Geriatr Gerontol Int 2018; 18: 1507-1512.
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Affiliation(s)
- Ken-Ichiro Tomita
- Departments of Pathology and Clinical Laboratory, Japanese Red Cross Medical Center, Tokyo, Japan.,Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Junko Aida
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Ken-Ichi Nakamura
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Naoshi Ishikawa
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan
| | - Toshiyuki Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Toshio Kumasaka
- Departments of Pathology and Clinical Laboratory, Japanese Red Cross Medical Center, Tokyo, Japan
| | | | - Naoki Hiraishi
- Departments of Pathology and Clinical Laboratory, Japanese Red Cross Medical Center, Tokyo, Japan.,Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Misaki Yamada
- Departments of Pathology and Clinical Laboratory, Japanese Red Cross Medical Center, Tokyo, Japan.,Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Mutsunori Fujiwara
- Departments of Pathology and Clinical Laboratory, Japanese Red Cross Medical Center, Tokyo, Japan.,Department of Pathology, Nissan Tamagawa Hospital, Tokyo, Japan
| | - Kaiyo Takubo
- Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Hiraishi N, Terai M, Fujiwara M, Aida J, Izumiyama-Shimomura N, Ishikawa N, Tomita KI, Matsuda Y, Arai T, Takubo K, Ishiwata T. Quantitative fluorescence in situ hybridization for investigation of telomere length dynamics in the pituitary gland using samples from 128 autopsied patients. Tissue Cell 2018; 53:1-7. [DOI: 10.1016/j.tice.2018.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 04/26/2018] [Accepted: 05/17/2018] [Indexed: 02/06/2023]
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46
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Sasaki N, Hasegawa F, Michishita M, Matsuda Y, Arai T, Ishikawa N, Itakura Y, Aida J, Takubo K, Toyoda M, Ishiwata T. Abstract 3057: ABCG2-positive cells derived from ABCG2-negative pancreatic cancer cells in 3D-culture conditions show high stemness and anti-cancer drug resistance. Cancer Res 2018. [DOI: 10.1158/1538-7445.am2018-3057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
ATP-binding cassette subfamily G member 2 (ABCG2), an important multidrug resistance transporter, can mediate the efflux of various chemotherapy drugs and contribute to drug resistance in cancer cells. The correlation between ABCG2 expression and cancer stem cell (CSC) phenotypes has been examined in hepatocellular carcinoma, as well as in glioma, breast, prostate, and colon cancer; however, the results remain controversial. In this study, we compared the characteristics of low- (ABCG2-) and high-expressing (ABCG2+) pancreatic ductal adenocarcinoma (PDAC) cells using a human pancreatic cancerous cell line (PANC-1) because the role of ABCG2 in CSC-related malignant characteristics in PDAC is not well elucidated.
ABCG2- and ABCG2+ PDAC cells were separated using flow cytometric cell sorting. In adherent cell culture conditions, 10% of all PANC-1 cells were ABCG2+. Using transmission electron microscopy, we found that ABCG2+ cells showed more abundant and longer microvilli on the cell surface than ABCG2- cells. Unexpectedly, ABCG2+ cells did not demonstrate significantly greater drug resistance against 5-FU, gemcitabine, and vincristine than ABCG2- cells, as assessed using a WST-8 assay. Furthermore, ABCG2- cells exhibited better sphere formation ability and higher stemness marker expression, including that of Sox2, Oct4, ALDH1, CD44v9, and Nestin, than ABCG2+ cells, as observed using qRT-PCR. Cell growth rates and motilities, examined using the Boyden chamber and scratch assays, were higher in ABCG2- cells than in ABCG2+ cells. However, the epithelial-mesenchymal transition (EMT) ability, assessed by examining the alteration of E-cadherin, N-cadherin, Snail, and Vimentin expression after TGFβ addition, was comparable between ABCG2- and ABCG2+ cells.
In 3D-culture conditions using ultra low-attachment plates, ABCG2- cells formed spheres containing a large number of ABCG2+ cells, and expression of stemness markers in these spheres was higher than that of spheres derived from ABCG2+ cells. Furthermore, spheres derived from ABCG2- cells included large populations of ABCG2+ cells and exhibited high resistance against anti-cancer drugs, presumably depending on ABCG2 expression.
We found that in adherent culture conditions, ABCG2+ PDAC cells do not exhibit stemness and malignant behaviors, but ABCG2+ cells derived from ABCG2- cells after sphere formation have high stemness and anti-cancer drug resistance. This suggests that ABCG2- cells have the capacity to generate ABCG2+ cells, and the malignant potential of ABCG2+ cells in PDAC depends on the environment. The 3D-culture system was expected to mimic in vivo environments. Therefore, ABCG2+ cells in pancreatic cancer tumors may exhibit high stemness and anti-cancer drug resistance. Thus, ABCG2+ cells should be considered as novel therapeutic targets for pancreatic cancer.
Citation Format: Norihiko Sasaki, Fumio Hasegawa, Masaki Michishita, Yoko Matsuda, Tomio Arai, Naoshi Ishikawa, Yoko Itakura, Junko Aida, Kaiyo Takubo, Masashi Toyoda, Toshiyuki Ishiwata. ABCG2-positive cells derived from ABCG2-negative pancreatic cancer cells in 3D-culture conditions show high stemness and anti-cancer drug resistance [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 3057.
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Affiliation(s)
| | - Fumio Hasegawa
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | | | - Yoko Matsuda
- 3Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Tomio Arai
- 3Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | | | - Yoko Itakura
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Junko Aida
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Kaiyo Takubo
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Masashi Toyoda
- 1Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Yoshimura H, Matsuda Y, Yamamoto M, Michishita M, Takahashi K, Sasaki N, Ishikawa N, Aida J, Takubo K, Arai T, Ishiwata T. Reduced expression of the H19 long non-coding RNA inhibits pancreatic cancer metastasis. J Transl Med 2018; 98:814-824. [PMID: 29581580 DOI: 10.1038/s41374-018-0048-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 01/23/2018] [Accepted: 01/23/2018] [Indexed: 12/13/2022] Open
Abstract
H19 is an oncofetal RNA expressed in the developing embryo as well as in bladder, breast, gastric, pancreatic, hepatocellular, and prostate cancers. Recent studies have shown that H19 enhances cancer invasion and metastasis; however, its roles in cancer remain controversial. In the current study, H19 exhibited the second largest increase (82.4-fold) and represented the only non-protein coding gene among 11 genes identified that were elevated over 10-fold in lung-metastasis-derived pancreatic cancer cells compared with their parental cells using a mouse metastatic model. Subsequently, we further clarified the roles of H19 in pancreatic cancer growth and metastasis using in vitro and in vivo techniques. In situ hybridization showed that H19 was detected in 23 of 139 invasive ductal carcinomas (17%), and that H19 expression positively correlated with higher histological grades (P < 0.0001). Overexpression of H19 in PANC-1 pancreatic cancer cells induced higher motilities, whereas H19 inhibition using shRNA and siRNA showed opposite results; however, cell growth rates were not impacted. Intravenous injection of H19 shRNA vector-transfected PANC-1 cells yielded marked inhibition of metastasis in the liver and lungs of immunodeficient mice. These findings suggest that H19 has important roles in pancreatic cancer metastasis, and that inhibition of H19 represents a novel candidate for pancreatic cancer therapy.
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Affiliation(s)
- Hisashi Yoshimura
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, 173-0015, Japan
| | - Masami Yamamoto
- Division of Physiological Pathology, Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Masaki Michishita
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Kimimasa Takahashi
- Department of Veterinary Pathology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Tokyo, 180-8602, Japan
| | - Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Naoshi Ishikawa
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Kaiyo Takubo
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, 173-0015, Japan
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan.
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48
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Sasaki N, Ishiwata T, Hasegawa F, Michishita M, Kawai H, Matsuda Y, Arai T, Ishikawa N, Aida J, Takubo K, Toyoda M. Stemness and anti-cancer drug resistance in ATP-binding cassette subfamily G member 2 highly expressed pancreatic cancer is induced in 3D culture conditions. Cancer Sci 2018; 109:1135-1146. [PMID: 29444383 PMCID: PMC5891171 DOI: 10.1111/cas.13533] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/01/2018] [Accepted: 02/05/2018] [Indexed: 12/22/2022] Open
Abstract
The expression of ATP-binding cassette subfamily G member 2 (ABCG2) is related to tumorigenic cancer stem cells (CSC) in several cancers. However, the effects of ABCG2 on CSC-related malignant characteristics in pancreatic ductal adenocarcinoma (PDAC) are not well elucidated. In this study, we compared the characteristics of low (ABCG2-) and high (ABCG2+)-ABCG2-expressing PDAC cells after cell sorting. In adherent culture condition, human PDAC cells, PANC-1, contained approximately 10% ABCG2+ cell populations, and ABCG2+ cells displayed more and longer microvilli compared with ABCG2- cells. Unexpectedly, ABCG2+ cells did not show significant drug resistance against fluorouracil, gemcitabine and vincristine, and ABCG2- cells exhibited higher sphere formation ability and stemness marker expression than those of ABCG2+ cells. Cell growth and motility was greater in ABCG2- cells compared with ABCG2+ cells. In contrast, epithelial-mesenchymal transition ability between ABCG2- and ABCG2+ cells was comparable. In 3D culture conditions, spheres derived from ABCG2- cells generated a large number of ABCG2+ cells, and the expression levels of stemness markers in these spheres were higher than spheres from ABCG2+ cells. Furthermore, spheres containing large populations of ABCG2+ cells exhibited high resistance against anti-cancer drugs presumably depending on ABCG2. ABCG2+ cells in PDAC in adherent culture are not correlated with stemness and malignant behaviors, but ABCG2+ cells derived from ABCG2- cells after sphere formation have stemness characteristics and anti-cancer drug resistance. These findings suggest that ABCG2- cells generate ABCG2+ cells and the malignant potential of ABCG2+ cells in PDAC varies depending on their environments.
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine)Tokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Toshiyuki Ishiwata
- Division of Aging and CarcinogenesisResearch Team for Geriatric PathologyTokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Fumio Hasegawa
- Division of Aging and CarcinogenesisResearch Team for Geriatric PathologyTokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Masaki Michishita
- Department of Veterinary PathologySchool of Veterinary MedicineNippon Veterinary and Life Science UniversityTokyoJapan
| | - Hiroki Kawai
- Research and Development DepartmentLPixleTokyoJapan
| | - Yoko Matsuda
- Department of PathologyTokyo Metropolitan Geriatric Hospital and Institute of GerontologyTokyoJapan
| | - Tomio Arai
- Department of PathologyTokyo Metropolitan Geriatric Hospital and Institute of GerontologyTokyoJapan
| | - Naoshi Ishikawa
- Division of Aging and CarcinogenesisResearch Team for Geriatric PathologyTokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Junko Aida
- Division of Aging and CarcinogenesisResearch Team for Geriatric PathologyTokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Kaiyo Takubo
- Division of Aging and CarcinogenesisResearch Team for Geriatric PathologyTokyo Metropolitan Institute of GerontologyTokyoJapan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine)Tokyo Metropolitan Institute of GerontologyTokyoJapan
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Matsuda Y, Suzuki A, Esaka S, Hamashima Y, Imaizumi M, Kinoshita M, Shirahata H, Kiso Y, Kojima H, Matsukawa M, Fujii Y, Ishikawa N, Aida J, Takubo K, Ishiwata T, Nishimura M, Arai T. Telomere length determined by the fluorescence in situ hybridisation distinguishes malignant and benign cells in cytological specimens. Cytopathology 2018; 29:262-266. [PMID: 29578263 DOI: 10.1111/cyt.12535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Telomeres are tandem repeats of TTAGGG at the end of eukaryotic chromosomes that play a key role in preventing chromosomal instability. The aim of the present study is to determine telomere length using fluorescence in situ hybridisation (FISH) on cytological specimens. METHODS Aspiration samples (n = 41) were smeared on glass slides and used for FISH. RESULTS Telomere signal intensity was significantly lower in positive cases (cases with malignancy, n = 25) as compared to negative cases (cases without malignancy, n = 16), and the same was observed for centromere intensity. The difference in DAPI intensity was not statistically significant. The ratio of telomere to centromere intensity did not show a significant difference between positive and negative cases. There was no statistical difference in the signal intensities of aspiration samples from ascites or pleural effusion (n = 23) and endoscopic ultrasound-guided FNA samples from the pancreas (n = 18). CONCLUSIONS The present study revealed that telomere length can be used as an indicator to distinguish malignant and benign cells in cytological specimens. This novel approach may help improve diagnosis for cancer patients.
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Affiliation(s)
- Y Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - A Suzuki
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - S Esaka
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Y Hamashima
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - M Imaizumi
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - M Kinoshita
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - H Shirahata
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Y Kiso
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - H Kojima
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - M Matsukawa
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - Y Fujii
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - N Ishikawa
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Japan
| | - J Aida
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Japan
| | - K Takubo
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Japan
| | - T Ishiwata
- Research Team for Geriatric Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Itabashi-ku, Japan
| | - M Nishimura
- Department of Endoscopy, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
| | - T Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Itabashi-ku, Japan
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50
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Ueda Y, Ishiwata T, Shinji S, Arai T, Matsuda Y, Aida J, Sugimoto N, Okazaki T, Kikuta J, Ishii M, Sato M. In vivo imaging of T cell lymphoma infiltration process at the colon. Sci Rep 2018; 8:3978. [PMID: 29507328 PMCID: PMC5838227 DOI: 10.1038/s41598-018-22399-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 02/22/2018] [Indexed: 01/01/2023] Open
Abstract
The infiltration and proliferation of cancer cells in the secondary organs are of great interest, since they contribute to cancer metastasis. However, cancer cell dynamics in the secondary organs have not been elucidated at single-cell resolution. In the present study, we established an in vivo model using two-photon microscopy to observe how infiltrating cancer cells form assemblages from single T-cell lymphomas, EL4 cells, in the secondary organs. Using this model, after inoculation of EL4 cells in mice, we discovered that single EL4 cells infiltrated into the colon. In the early stage, sporadic elongated EL4 cells became lodged in small blood vessels. Real-time imaging revealed that, whereas more than 70% of EL4 cells did not move during a 1-hour observation, other EL4 cells irregularly moved even in small vessels and dynamically changed shape upon interacting with other cells. In the late stages, EL4 cells formed small nodules composed of several EL4 cells in blood vessels as well as crypts, suggesting the existence of diverse mechanisms of nodule formation. The present in vivo imaging system is instrumental to dissect cancer cell dynamics during metastasis in other organs at the single-cell level.
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Affiliation(s)
- Yoshibumi Ueda
- Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan.
- AMED-PRIME, Japan Agency for Medical Research and Development, Tokyo, Japan.
| | - Toshiyuki Ishiwata
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Seiichi Shinji
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, 113-8603, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, 173-0015, Japan
| | - Yoko Matsuda
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, 173-0015, Japan
| | - Junko Aida
- Division of Aging and Carcinogenesis, Research Team for Geriatric Pathology, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Naotoshi Sugimoto
- Department of Physiology, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Toshiro Okazaki
- Department of Hematology and Immunology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa, 920-0293, Japan
| | - Junichi Kikuta
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, 2-2, Yamada-oka, Suita, Osaka, Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, 2-2, Yamada-oka, Suita, Osaka, Japan
| | - Moritoshi Sato
- Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
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