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Komura M, Wang C, Ito S, Kato S, Ueki A, Ebi M, Ogasawara N, Tsuzuki T, Kasai K, Kasugai K, Takiguchi S, Takahashi S, Inaguma S. Simultaneous Expression of CD70 and POSTN in Cancer-Associated Fibroblasts Predicts Worse Survival of Colorectal Cancer Patients. Int J Mol Sci 2024; 25:2537. [PMID: 38473788 DOI: 10.3390/ijms25052537] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024] Open
Abstract
Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide, with high morbidity and mortality rates. The evidence for the tumor-supporting capacities of cancer-associated fibroblasts (CAFs) that modulate cancer cell proliferation, invasion, metastasis, and tumor immunity, including in CRC, has been attracting attention. The present study examined the expression status of CD70 and POSTN in CRC and analyzed their association with clinicopathological features and clinical outcomes. In the present study, in total 15% (40/269) and 44% (119/269) of cases exhibited CD70 and POSTN expression on CAFs, respectively. Co-expression of CD70 and POSTN was detected in 8% (21/269) of patients. Fluorescent immunohistochemistry identified the co-expression of CD70 and POSTN with FAP and PDPN, respectively. ACTA2 was not co-expressed with CD70 or POSTN in CRC CAFs. CRC with CD70+/POSTN+ status in CAFs was significantly associated with distant organ metastasis (p = 0.0020) or incomplete resection status (p = 0.0011). CD70+/POSTN+ status tended to associate with advanced pT stage (p = 0.032) or peritoneal metastasis (p = 0.0059). Multivariate Cox hazards regression analysis identified CD70+/POSTN+ status in CAFs [hazard ratio (HR) = 3.78] as a potential independent risk factor. In vitro experiments revealed the activated phenotypes of colonic fibroblasts induced by CD70 and POSTN, while migration and invasion assays identified enhanced migration and invasion of CRC cells co-cultured with CD70- and POSTN-expressing colonic fibroblasts. On the basis of our observations, CD70 and POSTN immunohistochemistry can be used in the prognostication of CRC patients. CRC CAFs may be a promising target in the treatment of CRC patients.
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Affiliation(s)
- Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Chengbo Wang
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Sunao Ito
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Shunsuke Kato
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Toyonori Tsuzuki
- Surgical Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Shuji Takiguchi
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
- Department of Pathology, Nagoya City University East Medical Center, Nagoya 464-8547, Japan
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Ito S, Koshino A, Komura M, Kato S, Otani T, Wang C, Ueki A, Takahashi H, Ebi M, Ogasawara N, Tsuzuki T, Kasai K, Kasugai K, Takiguchi S, Takahashi S, Inaguma S. Characterization of colorectal cancer by hierarchical clustering analyses of five immune cell markers. Pathol Int 2024; 74:13-25. [PMID: 38050808 DOI: 10.1111/pin.13391] [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: 09/08/2023] [Accepted: 11/12/2023] [Indexed: 12/06/2023]
Abstract
The present study analyzed the expression of five independent immunohistochemical markers, CD4, CD8, CD66b, CD68, and CD163, on immune cells within the colorectal cancer (CRC) tumor microenvironment (TME). Using hierarchical clustering, patients were successfully classified according to significant associations with clinicopathological features and/or survival. Patients with mismatch repair-proficient (pMMR) CRC were categorized into four groups with survival differences (p = 0.0084): CD4Low , CD4High , MΦHigh , and CD8Low . MΦHigh tumors showed significantly higher expression of CD47 (p < 0.0001), a phagocytosis checkpoint molecule. These tumors contained significantly greater numbers of PD-1+ (p < 0.0001), TIM-3+ (p < 0.0001), and SIRPA+ (p < 0.0001) immune cells. Notably, 10% of the patients with pMMR CRC expressed PD-L1 (CD274) on tumor cells with significantly worse survival (p = 0.00064). The Cox proportional hazards model identified MΦ High (hazard ratio [HR] = 2.02, 95%, p = 0.032), CD8Low (HR = 2.45, p = 0.011), and tumor PD-L1 expression (HR = 2.74, p = 0.0061) as potential risk factors. PD-L1-PD-1 and/or CD47-SIRPA axes targeting immune checkpoint therapies might be considered for patients with pMMR CRC according to their tumor cells and tumor immune microenvironment characteristics.
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Affiliation(s)
- Sunao Ito
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shunsuke Kato
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Takahiro Otani
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Chengbo Wang
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Hiroki Takahashi
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Toyonori Tsuzuki
- Surgical Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shuji Takiguchi
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
- Department of Pathology, Nagoya City University East Medical Center, Nagoya, Japan
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Kato K, Nakashima A, Ohkido I, Kasai K, Yokoo T. Association between serum phosphate levels and anemia in non-dialysis patients with chronic kidney disease: a retrospective cross-sectional study from the Fuji City CKD Network. BMC Nephrol 2023; 24:244. [PMID: 37605118 PMCID: PMC10463297 DOI: 10.1186/s12882-023-03298-9] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 08/14/2023] [Indexed: 08/23/2023] Open
Abstract
BACKGROUND Patients with chronic kidney disease (CKD) present high mortality and morbidity rates despite the availability of various therapies. Although CKD-mineral and bone disorder (MBD) and renal anemia are important factors in patients with CKD, only few studies have analyzed the relationship between them. Therefore, this study aimed to evaluate the relationship between CKD-MBD and anemia in patients with CKD who did not receive erythropoiesis-stimulating agent or iron therapies. METHODS This retrospective cross-sectional study included patients with CKD aged ≥ 20 years with estimated glomerular filtration rate (eGFR) categories G2a to G5 who were referred to the Fuji City General Hospital between April 2018 and July 2019. The exclusion criterion was ongoing treatment for CKD-MBD and/or anemia. RESULTS The data of 300 patients with CKD were analyzed in this study. The median age of patients was 71 (range, 56.5-79) years. The median eGFR was 34 (range, 20-48) mL/min/1.73 m2, and the mean hemoglobin (Hb) level was 12.7 g/dL (standard deviation, 2.3), which decreased as the CKD stage increased. In a multivariate linear regression analysis of anemia-related factors, including age, renal function (eGFR), nutritional status, inflammation, and iron dynamics (serum iron level, total iron-binding capacity, ferritin levels), the serum phosphate levels were significantly associated with the Hb levels (coefficient [95% confidence interval], -0.73 [-1.1, -0.35]; P < 0.001). Subgroup analysis revealed a robust association between serum phosphate levels and Hb levels in the low-ferritin (coefficient [95% confidence interval], -0.94 [-1.53, -0.35]; P = 0.002) and advanced CKD groups (coefficient [95% confidence interval], -0.89 [-1.37, -0.41]; P < 0.001). CONCLUSIONS We found an association between high serum phosphate levels and low Hb levels in patients with CKD not receiving treatment for anemia. These results underscore the possibility of a mechanistic overlap between CKD-MBD and anemia.
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Affiliation(s)
- Kazuhiko Kato
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi Minato-Ku, Tokyo, 105-8461, Japan.
- Department of Internal Medicine, Fuji City General Hospital, Takashima-Cho 50, Fuji-Shi, Shizuoka, Japan.
| | - Akio Nakashima
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi Minato-Ku, Tokyo, 105-8461, Japan
| | - Ichiro Ohkido
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi Minato-Ku, Tokyo, 105-8461, Japan
| | - Kenji Kasai
- Department of Internal Medicine, Fuji City General Hospital, Takashima-Cho 50, Fuji-Shi, Shizuoka, Japan
| | - Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi Minato-Ku, Tokyo, 105-8461, Japan
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Cooke NP, Mattiangeli V, Cassidy LM, Okazaki K, Kasai K, Bradley DG, Gakuhari T, Nakagome S. Genomic insights into a tripartite ancestry in the Southern Ryukyu Islands. Evol Hum Sci 2023; 5:e23. [PMID: 37587935 PMCID: PMC10426068 DOI: 10.1017/ehs.2023.18] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 08/18/2023] Open
Abstract
A tripartite structure for the genetic origin of Japanese populations states that present-day populations are descended from three main ancestors: (1) the indigenous Jomon hunter-gatherers; (2) a Northeast Asian component that arrived during the agrarian Yayoi period; and (3) a major influx of East Asian ancestry in the imperial Kofun period. However, the genetic heterogeneity observed in different regions of the Japanese archipelago highlights the need to assess the applicability and suitability of this model. Here, we analyse historic genomes from the southern Ryukyu Islands, which have unique cultural and historical backgrounds compared with other parts of Japan. Our analysis supports the tripartite structure as the best fit in this region, with significantly higher estimated proportions of Jomon ancestry than mainland Japanese. Unlike the main islands, where each continental ancestor was directly brought by immigrants from the continent, those who already possessed the tripartite ancestor migrated to the southern Ryukyu Islands and admixed with the prehistoric people around the eleventh century AD, coinciding with the emergence of the Gusuku period. These results reaffirm the tripartite model in the southernmost extremes of the Japanese archipelago and show variability in how the structure emerged in diverse geographic regions.
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Affiliation(s)
- Niall P. Cooke
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | | | - Lara M. Cassidy
- Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland
| | - Kenji Okazaki
- Department of Anatomy, Faculty of Medicine, Tottori University, Japan
| | - Kenji Kasai
- Toyama Prefectural Center for Archaeological Operations, Toyama, Japan
| | - Daniel G. Bradley
- Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland
| | - Takashi Gakuhari
- Institute for the Study of Ancient Civilizations and Cultural Resources, College of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
| | - Shigeki Nakagome
- School of Medicine, Trinity College Dublin, Dublin, Ireland
- Institute for the Study of Ancient Civilizations and Cultural Resources, College of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
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Ueki A, Komura M, Koshino A, Wang C, Nagao K, Homochi M, Tsukada Y, Ebi M, Ogasawara N, Tsuzuki T, Kasai K, Kasugai K, Takahashi S, Inaguma S. Stromal POSTN Enhances Motility of Both Cancer and Stromal Cells and Predicts Poor Survival in Colorectal Cancer. Cancers (Basel) 2023; 15:cancers15030606. [PMID: 36765564 PMCID: PMC9913098 DOI: 10.3390/cancers15030606] [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: 11/19/2022] [Revised: 01/04/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Evidence for the tumor-supporting capacities of cancer-associated fibroblasts (CAFs) has rapidly been accumulating. To uncover clinicopathological importance of periostin (POSTN) expression in colorectal cancer (CRC), the present study immunohistochemically examined its expression status. Furthermore, to reveal its mechanisms involved, molecular experiments were performed. In CRC tissues, 44% of the cases (119/269) exhibited POSTN expression in the CAFs. In contrast, CRC cells expressed POSTN at almost undetectable levels. Survival analyses identified that patients with POSTN-positive CRC had a significantly worse 5-year survival rate (63.2% vs. 81.2%; p = 0.011). Univariate analyses revealed that POSTN positivity was associated with peritoneal (p = 0.0031) and distant organ metastasis (p < 0.001). Furthermore, immunohistochemical analyses identified a significant association between POSTN and p53 complete loss status in CRC cells. Decorin and fibroblast activation protein expression in CAFs was also associated with POSTN. POSTN significantly enhanced the migration of both CRC cells and fibroblasts with FAK and AKT or STAT3 activation, and co-culture assays demonstrated the communication between CRC cells and fibroblasts, which enhanced STAT3 activation in fibroblasts. On the basis of our results, we speculated that stromal POSTN accelerated metastasis via stromal remodeling capacity and activated the migration of both tumor and stromal cells.
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Affiliation(s)
- Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Chengbo Wang
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Kazuhiro Nagao
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Mai Homochi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Yuki Tsukada
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Toyonori Tsuzuki
- Surgical Pathology, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 408-1195, Japan
- Department of Pathology, Nagoya City University East Medical Center, Nagoya 464-8547, Japan
- Correspondence:
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Kasuga Y, Ikenoue S, Nishio H, Yamagami W, Ochiai D, Tanabe K, Tashima Y, Hirao N, Miyakoshi K, Kasai K, Suda Y, Nemoto T, Shiraishi S, Yoshida H, Kurahashi T, Takamatsu K, Iwasaki S, Yamashita H, Akiba Y, Arase T, Hara S, Nakada S, Tanaka M, Aoki D. Adenocarcinoma in situ or early-stage cervical cancer is a risk factor for preterm delivery after cervical conization: a multicenter observational study. J Matern Fetal Neonatal Med 2022; 35:9837-9842. [PMID: 35341455 DOI: 10.1080/14767058.2022.2056835] [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] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Pregnancy after conization is associated with a high risk of preterm delivery. However, because risk factors for preterm delivery after conization remain unknown, we conducted a multicenter observational study to investigate risk factors associated with preterm delivery. METHODS We selected patients who had previously undergone conization and reviewed medical records from 18 hospitals in cooperation with Keio University School of Medicine between January 2013 and December 2019. Women were classified as nulliparous and primiparous, and a multiple logistic regression analysis was performed to evaluate the relative contributions of the various maternal risk factors for preterm delivery (i.e. delivery before 37 gestational weeks). RESULTS Among 409 pregnant women after conization, 68 women delivered preterm (17%). The incidence of nulliparity (p = .014) was higher and a history of preterm delivery (p = .0010) was more common in the preterm delivery group than in the term delivery group. Furthermore, the proportion of women diagnosed with adenocarcinoma in situ (AIS) and cervical cancer in the preterm delivery group was higher than that in the term delivery group (p = .0099 and .0004, respectively). In multiple regression models in nulliparous women, cervical cancer or AIS (Odds ratio [OR]: 4.16, 95% CI: 1.26-13.68, p = .019) and a short cervix in the second trimester (OR: 13.41, 95% CI: 3.88-46.42, p < .0001) increased the risk of preterm delivery. Furthermore, a history of preterm delivery (OR: 7.35, 95% CI: 1.55-34.86, p = .012), cervical cancer or AIS (OR: 5.07, 95% CI: 1.24-20.73, p = .024), and a short cervix in the second trimester (OR: 4.29, 95% CI: 1.11-16.62, p = .035) increased the risk of preterm delivery in the multiple regression models in primiparous women. CONCLUSION Pregnant women who previously underwent conization are at risk for preterm delivery. The histological type of AIS and cervical cancer was evaluated as a risk factor for preterm delivery. KEY MESSAGESPrior preterm delivery, presence of a short cervix, and cervical cancer or AIS were predictors of preterm delivery after conization.The depth of conization in cervical cancer or AIS group was significantly larger than that in the CIN group.
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Affiliation(s)
- Yoshifumi Kasuga
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Satoru Ikenoue
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Hiroshi Nishio
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Wataru Yamagami
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Daigo Ochiai
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Kiyoo Tanabe
- Department of Obstetrics and Gynecology, Nerima General Hospital, Tokyo, Japan
| | - Yasuhiro Tashima
- Department of Obstetrics and Gynecology, Hino Municipal Hospital, Tokyo, Japan
| | - Nobumaru Hirao
- Department of Obstetrics and Gynecology, Federation of National Public Service Personnel Mutual Aid Associations, Tachikawa Hospital, Tokyo, Japan
| | - Kei Miyakoshi
- Department of Obstetrics and Gynecology, Seibo Hospital, Tokyo, Japan
| | - Kenji Kasai
- Department of Obstetrics and Gynecology, Hiratsuka City Hospital, Hiratsuka-shi, Japan
| | - Yoshio Suda
- Department of Obstetrics and Gynecology, Japanese Red Cross Ashikaga Hospital, Ashikaga-shi, Japan
| | - Taiko Nemoto
- Department of Obstetrics and Gynecology, Japanese Red Cross Shizuoka Hospital, Shizuoka-shi, Japan
| | - Satoru Shiraishi
- Department of Obstetrics and Gynecology, Japanese Red Cross Nasu Hospital, Ootawara-shi, Japan
| | - Hiroyuki Yoshida
- Department of Obstetrics and Gynecology, Ogikubo Hospital, Tokyo, Japan
| | - Takashi Kurahashi
- Department of Obstetrics and Gynecology, National Hospital Organization Saitama Hospital, Wakou-shi, Japan
| | - Kiyoshi Takamatsu
- Department of Obstetrics and Gynecology, Tokyo Dental College Ichikawa General Hospital, Ichikawa-shi, Japan
| | - Shinya Iwasaki
- Department of Obstetrics and Gynecology, Shizuoka City Shimizu Hospital, Shizuoka-shi, Japan
| | - Hiroshi Yamashita
- Department of Obstetrics and Gynecology, Tokyo Medical Center, Tokyo, Japan
| | - Yasuo Akiba
- Department of Obstetrics and Gynecology, Saiseikai Yokohama-shi Tobu Hospital, Yokohama-shi, Japan
| | - Toru Arase
- Department of Obstetrics and Gynecology, Keiyu Hospital, Yokohama-shi, Japan
| | - Sumiko Hara
- Department of Obstetrics and Gynecology, Tokyo Adventist Hospital, Tokyo, Japan
| | - Sakura Nakada
- Department of Obstetrics and Gynecology, Kawasaki Municipal Kawasaki Hospital, Kawasaki, Japan
| | - Mamoru Tanaka
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
| | - Daisuke Aoki
- Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
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7
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Nagao K, Koshino A, Sugimura-Nagata A, Nagano A, Komura M, Ueki A, Ebi M, Ogasawara N, Tsuzuki T, Kasai K, Takahashi S, Kasugai K, Inaguma S. The Complete Loss of p53 Expression Uniquely Predicts Worse Prognosis in Colorectal Cancer. Int J Mol Sci 2022; 23:ijms23063252. [PMID: 35328677 PMCID: PMC8948732 DOI: 10.3390/ijms23063252] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [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: 02/10/2022] [Revised: 03/06/2022] [Accepted: 03/14/2022] [Indexed: 02/04/2023] Open
Abstract
p53 immunohistochemistry is considered an accurate surrogate marker reflecting the underlying TP53 mutation status and has utility in tumor diagnostics. In the present study, 269 primary CRCs were immunohistochemically evaluated for p53 expression to assess its utility in diagnostic pathology and prognostication. p53 expression was wild-type in 59 cases (23%), overexpressed in 143 cases (55%), completely lost in 50 cases (19%), and cytoplasmic in 10 cases (4%). p53 immunoreactivity was associated with tumor size (p = 0.0056), mucus production (p = 0.0015), and mismatch repair (MMR) system status (p < 0.0001). Furthermore, among CRCs with wild-type p53 expression, a significantly higher number of cases had decreased CDX2 than those with p53 overexpression (p = 0.012) or complete p53 loss (p = 0.043). In contrast, among CRCs with p53 overexpression, there were significantly fewer ALCAM-positive cases than p53 wild-type cases (p = 0.0045). However, no significant association was detected between p53 immunoreactivity and the “stem-like” immunophenotype defined by CDX2 downregulation and ALCAM-positivity. Multivariate Cox hazards regression analysis identified tubular-forming histology (hazard ratio [HR] = 0.17, p < 0.0001), younger age (HR = 0.52, p = 0.021), and female sex (HR = 0.55, p = 0.046) as potential favorable factors. The analysis also revealed complete p53 loss (HR = 2.16, p = 0.0087), incomplete resection (HR = 2.65, p = 0.0068), and peritoneal metastasis (HR = 5.32, p < 0.0001) as potential independent risk factors for patients with CRC. The sub-cohort survival analyses classified according to chemotherapy after surgery revealed that CRC patients with wild-type p53 expression tended to have better survival than those with overexpression or complete loss after chemotherapy. Thus, immunohistochemistry for p53 could be used for the prognostication and chemotherapy target selection of patients with CRC.
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Affiliation(s)
- Kazuhiro Nagao
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Akane Sugimura-Nagata
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Aya Nagano
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Toyonori Tsuzuki
- Department of Surgical Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
- Department of Pathology, Nagoya City University East Medical Center, Nagoya 464-8547, Japan
- Correspondence:
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8
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Koshino A, Nagano A, Ota A, Hyodo T, Ueki A, Komura M, Sugimura-Nagata A, Ebi M, Ogasawara N, Kasai K, Hosokawa Y, Kasugai K, Takahashi S, Inaguma S. PBK Enhances Cellular Proliferation With Histone H3 Phosphorylation and Suppresses Migration and Invasion With CDH1 Stabilization in Colorectal Cancer. Front Pharmacol 2022; 12:772926. [PMID: 35115926 PMCID: PMC8804381 DOI: 10.3389/fphar.2021.772926] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 09/09/2021] [Accepted: 12/09/2021] [Indexed: 12/20/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most frequent gastrointestinal malignancies with high morbidity and mortality rates. Several biological markers for the prognostication of patient outcome of CRCs are available. Recently, our group identified two favorable factors for the survival of CRC patients: PDZ-binding kinase (PBK) and phospho-histone H3 (PHH3). Both showed a significant inverse association to pT stage. The aim of this study was to uncover the mechanism through which these cellular proliferation–associated protein expressions lead to favorable clinical outcome in CRC patients. We first confirmed co-expression of PBK and PHH3 in CRC cells. Further investigation showed that aberrantly expressed PBK up-regulated the cellular proliferation of CRC cells with accumulation of PHH3. The PBK inhibitor OTS514 suppressed cellular proliferation of CRC cells through down-regulation of PHH3 and induction of apoptosis. In vitro studies revealed that PBK suppressed the migration and invasion of CRC cells with suppression of Wnt/β-catenin signaling and CDH1 stabilization. Exogeneous PBK up-regulated the phosphorylated CDH1 at S840, S846, and S847 residues in cultured cells. Recombinant PBK directly phosphorylated HH3; however, it failed to phosphorylate CDH1 directly in vitro. The present study demonstrated the association of two markers PBK and PHH3 in CRC. We further identified one of the potential mechanisms by which higher expression of these cellular proliferation–associated proteins leads to the better survival of CRC patients, which likely involves PBK-mediated suppression of the migration and invasion of CRC cells. Our findings suggest that PBK-targeting therapeutics may be useful for the treatment of CRC patients with PBK-expressing tumors.
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Affiliation(s)
- Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Aya Nagano
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akinobu Ota
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Toshinori Hyodo
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Akane Sugimura-Nagata
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Yoshitaka Hosokawa
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
- Department of Pathology, Nagoya City University East Medical Center, Nagoya, Japan
- *Correspondence: Shingo Inaguma,
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9
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Tsunoda T, Riku M, Yamada N, Tsuchiya H, Tomita T, Suzuki M, Kizuki M, Inoko A, Ito H, Murotani K, Murakami H, Saeki Y, Kasai K. ENTREP/FAM189A2
encodes a new ITCH ubiquitin ligase activator that is downregulated in breast cancer. EMBO Rep 2021; 23:e51182. [PMID: 34927784 PMCID: PMC8811627 DOI: 10.15252/embr.202051182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 06/26/2020] [Revised: 11/13/2021] [Accepted: 11/29/2021] [Indexed: 11/09/2022] Open
Abstract
The HECT‐type ubiquitin E3 ligases including ITCH regulate many aspects of cellular function through ubiquitinating various substrates. These ligases are known to be allosterically autoinhibited and to require an activator protein to fully achieve the ubiquitination of their substrates. Here we demonstrate that FAM189A2, a downregulated gene in breast cancer, encodes a new type of ITCH activator. FAM189A2 is a transmembrane protein harboring PPxY motifs, and the motifs mediate its association with and ubiquitination by ITCH. FAM189A2 also associates with Epsin and accumulates in early and late endosomes along with ITCH. Intriguingly, FAM189A2 facilitates the association of a chemokine receptor CXCR4 with ITCH and enhances ITCH‐mediated ubiquitination of CXCR4. FAM189A2‐knockout prohibits CXCL12‐induced endocytosis of CXCR4, thereby enhancing the effects of CXCL12 on the chemotaxis and mammosphere formation of breast cancer cells. In comparison to other activators or adaptors known in the previous studies, FAM189A2 is a unique activator for ITCH to desensitize CXCR4 activity, and we here propose that FAM189A2 be renamed as ENdosomal TRansmembrane binding with EPsin (ENTREP).
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Affiliation(s)
- Takumi Tsunoda
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Miho Riku
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Norika Yamada
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Hikaru Tsuchiya
- Protein Metabolism Project Tokyo Metropolitan Institute of Medical Science Tokyo Japan
| | - Takuya Tomita
- Protein Metabolism Project Tokyo Metropolitan Institute of Medical Science Tokyo Japan
| | - Minako Suzuki
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Mari Kizuki
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Akihito Inoko
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
- Division of Cancer Epidemiology and Prevention Aichi Cancer Center Research Institute Nagoya Japan
| | - Hideaki Ito
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | | | - Hideki Murakami
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
| | - Yasushi Saeki
- Protein Metabolism Project Tokyo Metropolitan Institute of Medical Science Tokyo Japan
| | - Kenji Kasai
- Department of Pathology Aichi Medical University School of Medicine Nagakute Japan
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10
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Cooke NP, Mattiangeli V, Cassidy LM, Okazaki K, Stokes CA, Onbe S, Hatakeyama S, Machida K, Kasai K, Tomioka N, Matsumoto A, Ito M, Kojima Y, Bradley DG, Gakuhari T, Nakagome S. Ancient genomics reveals tripartite origins of Japanese populations. Sci Adv 2021; 7:eabh2419. [PMID: 34533991 PMCID: PMC8448447 DOI: 10.1126/sciadv.abh2419] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
Prehistoric Japan underwent rapid transformations in the past 3000 years, first from foraging to wet rice farming and then to state formation. A long-standing hypothesis posits that mainland Japanese populations derive dual ancestry from indigenous Jomon hunter-gatherer-fishers and succeeding Yayoi farmers. However, the genomic impact of agricultural migration and subsequent sociocultural changes remains unclear. We report 12 ancient Japanese genomes from pre- and postfarming periods. Our analysis finds that the Jomon maintained a small effective population size of ~1000 over several millennia, with a deep divergence from continental populations dated to 20,000 to 15,000 years ago, a period that saw the insularization of Japan through rising sea levels. Rice cultivation was introduced by people with Northeast Asian ancestry. Unexpectedly, we identify a later influx of East Asian ancestry during the imperial Kofun period. These three ancestral components continue to characterize present-day populations, supporting a tripartite model of Japanese genomic origins.
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Affiliation(s)
- Niall P. Cooke
- School of Medicine, Trinity College Dublin, Dublin, Ireland
| | | | - Lara M. Cassidy
- Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland
| | - Kenji Okazaki
- Department of Anatomy, Faculty of Medicine, Tottori University, Japan
| | | | - Shin Onbe
- Kumakogen Board of Education, Kumakogen, Japan
| | | | - Kenichi Machida
- Toyama Prefectural Research Office for Archaeological Heritage, Toyama, Japan
| | - Kenji Kasai
- Toyama Prefectural Center for Archaeological Operations, Toyama, Japan
| | | | | | - Masafumi Ito
- Foundation of Ishikawa Archaeological Artifacts Center, Kanazawa, Japan
| | - Yoshitaka Kojima
- Center for the Study of Ancient Civilizations and Cultural Resources, College of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
| | - Daniel G. Bradley
- Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland
| | - Takashi Gakuhari
- Center for the Study of Ancient Civilizations and Cultural Resources, College of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
| | - Shigeki Nakagome
- School of Medicine, Trinity College Dublin, Dublin, Ireland
- Center for the Study of Ancient Civilizations and Cultural Resources, College of Human and Social Sciences, Kanazawa University, Kanazawa, Japan
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11
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Ichikawa D, Yamashita K, Okuno Y, Muramatsu H, Murakami N, Suzuki K, Kojima D, Kataoka S, Hamada M, Taniguchi R, Nishikawa E, Kawashima N, Narita A, Nishio N, Hama A, Kasai K, Mizuno S, Shimoyama Y, Nakaguro M, Okita H, Kojima S, Nakazawa A, Takahashi Y. Integrated diagnosis based on transcriptome analysis in suspected pediatric sarcomas. NPJ Genom Med 2021; 6:49. [PMID: 34131151 PMCID: PMC8206218 DOI: 10.1038/s41525-021-00210-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 09/09/2020] [Accepted: 04/09/2021] [Indexed: 12/24/2022] Open
Abstract
Pediatric solid tumors are a heterogeneous group of neoplasms with over 100 subtypes. Clinical and histopathological diagnosis remains challenging due to the overlapping morphological and immunohistochemical findings and the presence of atypical cases. To evaluate the potential utility of including RNA-sequencing (RNA-seq) in the diagnostic process, we performed RNA-seq in 47 patients with suspected pediatric sarcomas. Histopathologists specialized in pediatric cancer re-evaluated pathological specimens to reach a consensus diagnosis; 42 patients were diagnosed with known subtypes of solid tumors whereas 5 patients were diagnosed with undifferentiated sarcoma. RNA-seq analysis confirmed and refined consensus diagnoses and further identified diagnostic genetic variants in four of the five patients with undifferentiated sarcoma. Genetic lesions were detected in 23 patients, including the novel SMARCA4-THOP1 fusion gene and 22 conventional or recently reported genetic events. Unsupervised clustering analysis of the RNA-seq data identified a distinct cluster defined by the overexpression of rhabdomyosarcoma-associated genes including MYOG and CHRNG. These findings suggest that RNA-seq-based genetic analysis may aid in the diagnosis of suspected pediatric sarcomas, which would be useful for the development of stratified treatment strategies.
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Affiliation(s)
- Daisuke Ichikawa
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kyoko Yamashita
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Yusuke Okuno
- Medical Genomics Center, Nagoya University Hospital, Nagoya, Japan
| | - Hideki Muramatsu
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Norihiro Murakami
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kyogo Suzuki
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Daiei Kojima
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shinsuke Kataoka
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Motoharu Hamada
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Rieko Taniguchi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Eri Nishikawa
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nozomu Kawashima
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Atsushi Narita
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nobuhiro Nishio
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Advanced Medicine, Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
| | - Asahito Hama
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Seiji Mizuno
- Department of Pediatrics, Central Hospital, Aichi Developmental Disability Center, Kasugai, Japan
| | - Yoshie Shimoyama
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Masato Nakaguro
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Hajime Okita
- Department of Pathology, National Center for Child Health and Development, Tokyo, Japan.,Division of Diagnostic Pathology, Keio University School of Medicine, Tokyo, Japan
| | - Seiji Kojima
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Atsuko Nakazawa
- Department of Pathology, National Center for Child Health and Development, Tokyo, Japan.,Department of Clinical Research, Saitama Children's Medical Center, Saitama, Japan
| | - Yoshiyuki Takahashi
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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12
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Nagano-Matsuo A, Inoue S, Koshino A, Ota A, Nakao K, Komura M, Kato H, Naiki-Ito A, Watanabe K, Nagayasu Y, Hosokawa Y, Takiguchi S, Kasugai K, Kasai K, Inaguma S, Takahashi S. PBK expression predicts favorable survival in colorectal cancer patients. Virchows Arch 2021; 479:277-284. [PMID: 33638656 DOI: 10.1007/s00428-021-03062-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 02/05/2021] [Accepted: 02/15/2021] [Indexed: 01/02/2023]
Abstract
Colorectal cancer (CRC) is one of the most common gastrointestinal cancers worldwide with high morbidity and mortality rates. The discovery of small molecule anticancer reagents has significantly affected cancer therapy. However, the anticancer effects of these therapies are not sufficient to completely cure CRC. PDZ-binding kinase (PBK) was initially identified as a mitotic kinase for mitogen-activated protein kinase and is involved in cytokinesis and spermatogenesis. Aberrant expression of PBK has been reported to be closely associated with malignant phenotypes of many cancers and/or patient survival. However, the expression of PBK and its association to patient survival in CRC have not been fully elucidated. In the present study, 269 primary CRCs were evaluated immunohistochemically for PBK expression to assess its ability as a prognostic factor. CRC tumor cells variably expressed PBK (range, 0-100%; median, 32%) in the nucleus and cytoplasm. Univariate analyses identified a significant inverse correlation between PBK expression and pT stage (P<0.0001). Furthermore, patients carrying CRC with higher PBK expression showed significantly favorable survival (P=0.0094). Multivariate Cox proportional hazards regression analysis revealed high PBK expression (HR, 0.52; P=0.015) as one of the potential favorable factors for CRC patients. PBK expression showed significant correlation to Ki-67 labeling indices (ρ=0.488, P<0.0001). In vitro, the PBK inhibitor OTS514 suppressed cellular proliferation of CRC cells with PBK expression through downregulation of P-ERK and induction of apoptosis. These results suggest that PBK-targeting therapeutics may be useful for the treatment of PBK-expressing CRC patients.
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Affiliation(s)
- Aya Nagano-Matsuo
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Satoshi Inoue
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akinobu Ota
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kenju Nakao
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Hiroyuki Kato
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Aya Naiki-Ito
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Kawori Watanabe
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Yuko Nagayasu
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Yoshitaka Hosokawa
- Department of Biochemistry, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shuji Takiguchi
- Department of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan. .,Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan. .,Department of Pathology, Nagoya City East Medical Center, Nagoya, Japan. .,Educational Research Center for Advanced Medicine, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan.
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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13
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Koshino A, Inoue S, Sugimura-Nagata A, Nishiyama T, Murakami H, Ito H, Riku M, Inoko A, Ebi M, Ogasawara N, Tsuzuki T, Kasugai K, Kasai K, Inaguma S. High phospho-histone H3 expression uniquely predicts favorable survival among four markers of cellular proliferation in colorectal cancer. Pathol Int 2021; 71:316-324. [PMID: 33631042 DOI: 10.1111/pin.13084] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 01/31/2021] [Indexed: 12/15/2022]
Abstract
Colorectal cancer (CRC) is one of the most frequent gastrointestinal cancers worldwide, with high morbidity and mortality rates. Despite numerous attempts to identify prognostic markers for the CRC patients, the significance of the association of cellular proliferation markers with survival is controversial. Here we used immunohistochemistry to detect four markers of cellular proliferation expressed in primary CRC tissue specimens (n = 269) to assess their potential to serve as prognostic factors. CRC cells variably expressed phospho-histone H3 (PHH3) (range, 0-76 per high-powered field (HPF); median, 7 per HPF), cyclin A (CCNA) (range, 11.3-73.7%; median, 32%), geminin (GMNN) (range, 7.8-82.0%; median, 37.1%), and marker of proliferation Ki-67 (MKI67) (range, 4.9-96.6%; median, 49.6%). Among them, patients with PHH3-high (≥7 per HPF) tumors uniquely experienced significantly longer 5-year survival than those with PHH3-low (≤6 per HPF) (81.8% vs. 65.5%; P = 0.0047). Multivariable Cox hazards regression analysis identified PHH3-high (hazard ratio, 0.54; 95% confidence interval, 0.31-0.92; P = 0.025) as potential favorable factors. PHH3 levels inversely associated with pT stage (P < 0.0001) and were significantly and inversely associated with tumor diameter (ρ = -0.314, P < 0.0001). These findings support the use of PHH3 immunohistochemistry for predicting the prognoses of patients with CRC.
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Affiliation(s)
- Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Satoshi Inoue
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Akane Sugimura-Nagata
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Takeshi Nishiyama
- Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan
| | - Hideki Murakami
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Akihito Inoko
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Toyonori Tsuzuki
- Surgical Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Aichi, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan
| | - Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Aichi, Japan.,Department of Pathology, Nagoya City East Medical Center, Aichi, Japan.,Educational Research Center for Advanced Medicine, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan
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14
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Yamamoto H, Kasai K, Hamada C, Hasegawa H, Higuchi C, Hiramatsu M, Hosoya T, Itami N, Kawanishi H, Kubota M, Masakane I, Minakuchi J, Mitarai T, Nakao T, Suzuki H, Tomo T, Kawaguchi Y. Differences in Corrective Mode for Divalent Ions and Parathyroid Hormone between Standard- and Low-Calcium Dialysate in Patients on Continuous Ambulatory Peritoneal Dialysis—Result of a Nationwide Survey in Japan. Perit Dial Int 2020. [DOI: 10.1177/089686080802803s24] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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] Open
Abstract
⋄ Background In patients on continuous ambulatory peritoneal dialysis (CAPD), dialysate calcium concentration has a strong influence on correction of serum calcium, phosphorus, and parathyroid hormone (PTH); however, the optimal concentration of Ca in PD solution is still uncertain. The aim of the survey reported here was to evaluate the prevalence of patients treated with standard- [SCD (approximately 3.25 – 4.0 mEq/L)] or low-calcium [LCD (approximately 1.8 – 2.5 mEq/L)] dialysate and differences in the clinical effects for correction of abnormalities in divalent ions and PTH. ⋄ Materials and Methods We used a questionnaire to survey 333 peritoneal dialysis facilities nationwide in Japan. Then, we analyzed serum Ca, P, and PTH levels and the prescription rates for CaCO3 as a P binder and for vitamin D (VitD) analogs. ⋄ Results The 2384 CAPD patients enrolled in this analysis had a mean age of 60.5 ± 14.2 years and a mean duration of CAPD of 44.1 ± 39.2 months. The prevalences of SCD, LCD, and combination of SCD and LCD were, respectively, 49%, 50%, and 1% at initiation, and 40%, 38%, and 22% at the time of the survey. In 735 and 876 patients respectively, LCD and SCD had been prescribed from initiation to the time of the survey. In these two groups, we observed no difference in initiation and current serum levels of Ca and P. But prescription rates for CaCO3 and VitD analogs were higher in the LCD group than in the SCD group, and PTH levels were higher in the LCD group than in the SCD group. ⋄ Conclusions A beneficial effect of LCD was revealed in the increased doses of CaCO3 and VitD analogs seen in that group without the occurrence of hypercalcemia; however, PTH levels in that group were not maintained within an acceptable range. The survey suggests that more serious attention should be paid to the Ca concentration in peritoneal dialysate so as to lessen mineral and PTH disorders in CAPD.
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Affiliation(s)
- Hiroyasu Yamamoto
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Kenji Kasai
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Chieko Hamada
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Hirofumi Hasegawa
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Chieko Higuchi
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Makoto Hiramatsu
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Tatsuo Hosoya
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Noritomo Itami
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Hideki Kawanishi
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Minoru Kubota
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Ikuto Masakane
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Jun Minakuchi
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Tetsuya Mitarai
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Toshiyuki Nakao
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Hiromichi Suzuki
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Tadashi Tomo
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
| | - Yoshindo Kawaguchi
- Japan Peritoneal Dialysis–Mineral Bone Disorders (PD–MBD) Research Group
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15
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Inoue S, Tsunoda T, Riku M, Ito H, Inoko A, Murakami H, Ebi M, Ogasawara N, Pastan I, Kasugai K, Kasai K, Ikeda H, Inaguma S. Diffuse mesothelin expression leads to worse prognosis through enhanced cellular proliferation in colorectal cancer. Oncol Lett 2020; 19:1741-1750. [PMID: 32194667 PMCID: PMC7039175 DOI: 10.3892/ol.2020.11290] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [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: 06/20/2019] [Accepted: 11/21/2019] [Indexed: 12/19/2022] Open
Abstract
Mesothelin (MSLN) is a glycophosphatidylinositol (GPI)-linked cell surface protein that is highly expressed in several types of malignant tumor, including malignant pleural mesothelioma, ovarian cancer and pancreatic adenocarcinoma. Recently, a comprehensive immunohistochemical study using MN-1 monoclonal antibody identified a significant number of colorectal tumors in which MSLN was expressed. However, the clinicopathological profiles and survival of patients with MSLN-positive colorectal cancer have not been fully analyzed. In the current study, the expression of MSLN in 270 primary and 44 metastatic colorectal tumors was immunohistochemically analyzed to determine the clinical usefulness of MSLN immunohistochemistry and to identify potential candidates for future anti-MSLN therapy. In vitro experiments using colon cancer cell lines were performed to investigate the biological significance of MSLN expression in tumors. The results of univariate analyses identified a significant correlation between MSLN expression and females (P=0.0042). Furthermore, an inverse correlation between MSLN expression and solid/sheet-like proliferation (P=0.014) was also revealed. Additionally, overall survival was significantly shorter in patients with diffuse luminal/membranous expression of MSLN (P=0.018). Multivariable Cox hazards regression analysis revealed diffuse MSLN expression (hazard ratio, 2.26; 95% confidence interval, 1.04-4.91; P=0.039) as a potential risk factor. When comparing primary CRCs and the metastasis of each, a weakly positive correlation was identified for MSLN positivity (% positive cells; R=0.484; P<0.0001). The in vitro experiments revealed a positive role for MSLN in colon cancer cell proliferation. Thus, MSLN immunohistochemistry may be useful in the prognostication of patients with CRC. The results demonstrated that significant numbers of patients with MSLN-positive CRC exhibiting metastasis could be targeted by anti-MSLN therapies.
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Affiliation(s)
- Satoshi Inoue
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Takumi Tsunoda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Akihito Inoko
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Hideki Murakami
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Ira Pastan
- Laboratory of Molecular Biology, National Cancer Institute, Bethesda, MD 20892, USA
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
| | - Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan
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16
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Inaguma S, Lasota J, Czapiewski P, Langfort R, Rys J, Szpor J, Waloszczyk P, Okoń K, Biernat W, Schrump DS, Hassan R, Kasai K, Miettinen M, Ikeda H. CD70 expression correlates with a worse prognosis in malignant pleural mesothelioma patients via immune evasion and enhanced invasiveness. J Pathol 2019; 250:205-216. [PMID: 31639216 DOI: 10.1002/path.5361] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [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: 03/31/2019] [Revised: 09/16/2019] [Accepted: 10/17/2019] [Indexed: 12/22/2022]
Abstract
Diffuse malignant mesothelioma of the pleura (MPM) is a highly aggressive tumour that typically is associated with short survival. CD70 and CD27 belong to the tumour necrosis factor (TNF) and the TNF receptor (TNFR) superfamily, respectively. Under physiological conditions, the tightly regulated interaction between CD70 and CD27 plays a co-stimulatory role in promoting T-cell expansion and differentiation through the NFκB pathway. Aberrantly high CD70 expression has been documented in haematological and solid malignancies in association with immune evasion in malignant cells. In this study, 172 well-characterised primary diffuse MPM tumours including epithelioid (n = 145), biphasic (n = 15), and sarcomatoid (n = 12) histotypes were evaluated immunohistochemically for CD70, CD27, CD3, CD4, CD8, CD56, PDCD1 (PD-1), and FOXP3 expression. Twenty per cent (34/172) of the mesothelioma cells expressed CD70 on the cell membrane. Overall survival was significantly decreased in the cohort of patients with CD70-expressing tumour cells (p < 0.01). Patients with MPM containing a higher number of CD3+ (p < 0.01), CD4+ (p < 0.01), CD8+ (p < 0.01), or FOXP3+ (p < 0.01) tumour-infiltrating lymphoid cells (TILs) showed significantly worse clinical outcomes. As potential independent risk factors for MPM patients, multivariate Cox proportional hazards regression analysis revealed CD70 expression on mesothelioma cells [hazard ratio (HR) 2.25; p = 0.010], higher FOXP3+ TILs (HR 2.81; p = 0.004), and higher CD3+ TIL accumulation (HR 6.12; p < 0.001). In contrast, as a potential independent favourable factor, higher CD27+ TIL accumulation (HR 0.48; p = 0.037) was identified. In vitro experiments and an immunodeficient mouse model revealed that CD70 enhances the invasiveness of MPM cells through MET-ERK axis activation. Further analyses in syngeneic mouse models demonstrated possible roles for CD70 in immune evasion. Collectively, these findings suggest that the CD70-CD27 pathway enhances the malignant phenotypes of MPM and diminishes anti-tumor immune response in patients with these neoplasms. These markers might be useful in MPM for prognostic evaluations as well as targeted therapeutics. © 2019 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Jerzy Lasota
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Piotr Czapiewski
- Department of Pathomorphology, Medical University of Gdansk, Gdansk, Poland.,Department of Pathology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Renata Langfort
- Department of Pathology, National Tuberculosis and Lung Diseases Research Institute, Warsaw, Poland
| | - Janusz Rys
- Department of Tumor Pathology, Centre of Oncology, Maria Sklodowska-Curie Memorial Institute, Krakow Branch, Krakow, Poland
| | - Joanna Szpor
- Department of Pathomorphology, Jagiellonian University, Krakow, Poland
| | | | - Krzysztof Okoń
- Department of Pathomorphology, Jagiellonian University, Krakow, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdansk, Gdansk, Poland
| | - David S Schrump
- Thoracic Surgery Branch, National Cancer Institute, Bethesda, MD, USA
| | - Raffit Hassan
- Thoracic and GI Malignancies Branch, National Cancer Institute, Bethesda, MD, USA
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Markku Miettinen
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
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17
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Ito H, Tsunoda T, Riku M, Inaguma S, Inoko A, Murakami H, Ikeda H, Matsuda M, Kasai K. Indispensable role of STIL in the regulation of cancer cell motility through the lamellipodial accumulation of ARHGEF7-PAK1 complex. Oncogene 2019; 39:1931-1943. [PMID: 31754215 DOI: 10.1038/s41388-019-1115-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 11/06/2019] [Accepted: 11/11/2019] [Indexed: 01/08/2023]
Abstract
Cell motility is a tightly regulated phenomenon that supports the accurate formation of organ structure during development and homeostasis, including wound healing and inflammation. Meanwhile, cancer cells exhibit dysregulated motility, which causes spreading and invasion. The Dbl family RhoGEF ARHGEF7/β-PIX and its binding partner p21-activated kinase PAK1 are overexpressed in a variety of cancers and have been shown to be responsible for cancer cell migration. A key step in motility is the intracellular transport of ARHGEF7-PAK1 complex to the migrating front of cells, where lamellipodia protrusion and cytoskeletal remodeling efficiently occur. However, the molecular mechanisms of the intracellular transport of this complex are not fully understood. Here we revealed that SCL/TAL1-interrupting locus (STIL) is indispensable for the efficient migration of cancer cells. STIL forms a ternary complex with ARHGEF7 and PAK1 and accumulates with those proteins at the lamellipodia protrusion of motile cells. Knockdown of STIL impedes the accumulation of ARHGEF7-PAK1 complex within membrane ruffles and attenuates the phosphorylation of PAK1 substrates and cortical actin remodeling at the migrating front. Intriguingly, ARHGEF7 knockdown also diminishes STIL and PAK1 accumulation in membrane ruffles. Either STIL or ARHGEF7 knockdown impedes cell migration and Rac1 activity at the migrating front of cells. These results indicate that STIL is involved in the ARHGEF7-mediated positive-feedback activation of cytoskeletal remodeling through accumulating the ARHGEF7-PAK1 complex in lamellipodia. We conclude that its involvement is crucial for the polarized formation of Rac1-mediated leading edge, which supports the efficient migration of cancer cells.
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Affiliation(s)
- Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Takumi Tsunoda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Akihito Inoko
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Hideki Murakami
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Michiyuki Matsuda
- Department of Pathology and Biology of Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan.
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18
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Ichinose M, Kasai K, Kayamori Y, Hamasaki N. Significance of a Family-based Study of Hereditary Thrombosis: A Single-family Case Series of Protein C Deficiency. Intern Med 2019; 58:1923-1928. [PMID: 30918183 PMCID: PMC6663546 DOI: 10.2169/internalmedicine.2308-18] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Thrombophilia is a serious unpredictable complication caused by gene mutations, resulting in anticoagulant deficiencies. We herein report a single-family case series of protein C (PC) deficiency. Case 1 involved a Japanese man whose PC deficiency resulted in severe systemic thrombosis. The patients in cases 2 and 3 were his daughters who were diagnosed with PC deficiency via carrier screening in 2001 and later both became pregnant. Owing to appropriate treatments during pregnancy, they did not develop thrombosis and safely gave birth to healthy infants. This family case series suggests that appropriate knowledge concerning thrombophilia helps prevent future emergencies.
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Affiliation(s)
- Mayuri Ichinose
- Division of Nephrology and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Japan
| | - Kenji Kasai
- Department of Internal Medicine, Fuji City General Hospital, Japan
| | - Yuzo Kayamori
- Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, Japan
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19
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Takahashi A, Kubo A, Mizuno S, Kasai K, Asai N, Yonezawa T, Kosaka K, Nishimura M, Tanaka H, Yokoe N, Tsuzuki T, Takami A, Yamaguchi E. Bicytopenia in Primary Lung Melanoma Treated with Nivolumab. Intern Med 2019; 58:827-831. [PMID: 30449777 PMCID: PMC6465013 DOI: 10.2169/internalmedicine.1011-18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
A 73-year-old man who was a current smoker complained of weakness in his limbs and slow movement and was diagnosed with primary lung melanoma with brain metastases. Following stereotactic brain radiotherapy, nivolumab was administrated. After the first cycle of nivolumab, his blood neutrophil count and hemoglobin levels started to decline. Excluding other possible causes, nivolumab was considered the most probable cause of bicytopenia. Nivolumab was not restarted, and the bicytopenia gradually recovered with no corticosteroid administration for this event. While serious hematological adverse events regarding immune checkpoint inhibitors have been assumed to be rare, severe neutropenia and anemia should be considered in patients receiving immune checkpoint therapy.
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Affiliation(s)
- Ayumu Takahashi
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Akihito Kubo
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Shohei Mizuno
- Division of Hematology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Japan
| | - Nobuhiro Asai
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Toshiyuki Yonezawa
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Kenshi Kosaka
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Masaki Nishimura
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Hiroyuki Tanaka
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Norihito Yokoe
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Toyonori Tsuzuki
- Department of Surgical Pathology, Aichi Medical University School of Medicine, Japan
| | - Akiyoshi Takami
- Division of Hematology, Department of Medicine, Aichi Medical University School of Medicine, Japan
| | - Etsuro Yamaguchi
- Division of Respiratory Medicine and Allergology, Department of Medicine, Aichi Medical University School of Medicine, Japan
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20
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Haruyama K, Kasai K, Makino R, Hoshi F, Nishihara K. Quantification of trunk segmental coordination and head stability in laterally unstable sitting identifies aging and cerebellar ataxia. Clin Biomech (Bristol, Avon) 2019; 63:127-133. [PMID: 30889431 DOI: 10.1016/j.clinbiomech.2019.01.013] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 11/05/2018] [Accepted: 01/17/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND We quantified trunk segmental coordination and head stability in unstable sitting and investigated whether it can discriminate postural control, age-related differences and presence of coordination disorder. METHODS Subjects were a healthy younger group (n = 7), a healthy elderly group (n = 7), and a cerebellar ataxia group (n = 8). The motion sensors and surface electrodes were located on the trunk and/or head segments to measure angle displacements, acceleration and electromyograms in unstable sitting during a lateral tilt task. Trunk lateral angle cross-correlation and electromyogram cross-correlation for the trunk segmental coordination, head root mean square (RMS) for the head stability, clinical performance scales, and gait parameters (velocity, coefficient of variation, and RMS ratio) were analyzed. FINDINGS Trunk lateral angle cross-correlation showed a significantly negative correlation in the healthy younger group compared with the two other groups (p < 0.01). Head RMS showed a significantly larger value in the cerebellar ataxia group compared with the two other groups (p < 0.01). Trunk lateral angle cross-correlation had moderate correlation with the clinical performance scale of ataxia and gait parameters; however, it was not correlated with head RMS. Classification using trunk lateral angle cross-correlation and head RMS was validated by discriminant analysis and hierarchical cluster analysis. INTERPRETATION We found that trunk lateral angle cross-correlation reflected age-related differences and head RMS characterized the pathology of cerebellar ataxia. Trunk segmental coordination and head stability, as two aspects of sitting postural control, can be used to discriminate the degree of aging and cerebellar ataxia.
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Affiliation(s)
- Koshiro Haruyama
- Department of Rehabilitation Medicine, Higashisaitama National Hospital, Saitama, Japan; Department of Physical Therapy, Saitama Prefectural University, Saitama, Japan.
| | - Kenji Kasai
- Department of Physical Therapy, Saitama Prefectural Rehabilitation Center, Saitama, Japan; Department of Physical Therapy, Saitama Prefectural University, Saitama, Japan
| | - Ryohei Makino
- Department of Physical Therapy, Saitama Prefectural Rehabilitation Center, Saitama, Japan; Department of Physical Therapy, Saitama Prefectural University, Saitama, Japan
| | - Fumihiko Hoshi
- Department of Physical Therapy, Saitama Prefectural University, Saitama, Japan
| | - Ken Nishihara
- Department of Physical Therapy, Saitama Prefectural University, Saitama, Japan
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21
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Sato T, Yamaguchi M, Murakami Y, Horigome Y, Negishi S, Kasai K. Cover Image. Orthod Craniofac Res 2018. [DOI: 10.1111/ocr.12227] [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] [Indexed: 11/28/2022]
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22
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Sato T, Yamaguchi M, Murakami Y, Horigome Y, Negishi S, Kasai K. Changes in maxillofacial morphology due to improvement of nasal obstruction in rats. Orthod Craniofac Res 2018; 21:84-89. [PMID: 29493884 DOI: 10.1111/ocr.12220] [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] [Accepted: 01/23/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To investigate the effect of release of experimentally introduced nasal obstruction on maxillofacial morphology and percutaneous arterial oxygen saturation (SpO2 ) in rats. MATERIALS AND METHODS Six-week-old male Wistar rats (n = 36) were divided into a control group (n = 6) and a nasal obstruction group (n = 30). In the nasal obstruction group, the right nostril was occluded with silicon, which was subsequently removed after a given experimental period (days 7, 21, 35, 49 and 63). These animals were then divided into groups D7, D21, D35, D49 and D63 (each n = 6), according to the day at which the obstruction was released. The SpO2 was measured in rats with nasal obstruction at five experimental points. The maxillofacial morphology in rats on the first day and 63 days after the start of the experiment was evaluated by microcomputed tomography. RESULTS The SpO2 was still lower at 2 weeks after the improvement of the nasal obstruction in the D49 group than in the control group. In addition, the height of the nasal maxillary complex of the D35, D49 and D63 groups was significantly decreased compared with the control group. CONCLUSIONS The results of this study suggest that long-term unilateral nasal obstruction in growing rats may affect the growth of the nasomaxillary complex and reduce the SpO2 permanently. Therefore, early improvement of nasal obstruction in rats during the growth period may improve the SpO2 and cranial development and promote normal growth and development.
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Affiliation(s)
- T Sato
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - M Yamaguchi
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - Y Murakami
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - Y Horigome
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - S Negishi
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
| | - K Kasai
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
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23
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Abstract
Pneumothorax secondary to septic pulmonary embolism (SPE) is rare but life-threatening. We herein report a long-term hemodialysis patient with psoas abscess caused by methicillin-resistant Staphylococcus aureus, associated with other muscle and splenic abscesses and SPE. Intravenous vancomycin treatment and percutaneous drainage of the psoas abscess rapidly improved her condition. However, the SPE lesions continued to increase, and right-sided pneumothorax occurred 10 days after treatment. The pneumothorax resolved after two months and SPE and all abscesses after four months of treatment. Since late-onset pneumothorax caused by SPE can occur despite successful treatment of the primary infection, care should be taken with such patients.
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Affiliation(s)
- Masahiro Okabe
- Division of Nephrology and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Japan
| | | | - Takashi Yokoo
- Division of Nephrology and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Japan
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24
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Nagata K, Endo S, Honda T, Yasuda T, Hirayama M, Takahashi S, Kato T, Horita S, Furuya K, Kasai K, Matsumoto H, Kimura Y, Utano K, Sugimoto H, Kato H, Yamada R, Yamamichi J, Shimamoto T, Ryu Y, Matsui O, Kondo H, Doi A, Abe T, Yamano HO, Takeuchi K, Hanai H, Saida Y, Fukuda K, Näppi J, Yoshida H. Accuracy of CT Colonography for Detection of Polypoid and Nonpolypoid Neoplasia by Gastroenterologists and Radiologists: A Nationwide Multicenter Study in Japan. Am J Gastroenterol 2017; 112:163-171. [PMID: 27779195 PMCID: PMC5223061 DOI: 10.1038/ajg.2016.478] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 07/01/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVES The objective of this study was to assess prospectively the diagnostic accuracy of computer-assisted computed tomographic colonography (CTC) in the detection of polypoid (pedunculated or sessile) and nonpolypoid neoplasms and compare the accuracy between gastroenterologists and radiologists. METHODS This nationwide multicenter prospective controlled trial recruited 1,257 participants with average or high risk of colorectal cancer at 14 Japanese institutions. Participants had CTC and colonoscopy on the same day. CTC images were interpreted independently by trained gastroenterologists and radiologists. The main outcome was the accuracy of CTC in the detection of neoplasms ≥6 mm in diameter, with colonoscopy results as the reference standard. Detection sensitivities of polypoid vs. nonpolypoid lesions were also evaluated. RESULTS Of the 1,257 participants, 1,177 were included in the final analysis: 42 (3.6%) were at average risk of colorectal cancer, 456 (38.7%) were at elevated risk, and 679 (57.7%) had recent positive immunochemical fecal occult blood tests. The overall per-participant sensitivity, specificity, and positive and negative predictive values for neoplasms ≥6 mm in diameter were 0.90, 0.93, 0.83, and 0.96, respectively, among gastroenterologists and 0.86, 0.90, 0.76, and 0.95 among radiologists (P<0.05 for gastroenterologists vs. radiologists). The sensitivity and specificity for neoplasms ≥10 mm in diameter were 0.93 and 0.99 among gastroenterologists and 0.91 and 0.98 among radiologists (not significant for gastroenterologists vs. radiologists). The CTC interpretation time by radiologists was shorter than that by gastroenterologists (9.97 vs. 15.8 min, P<0.05). Sensitivities for pedunculated and sessile lesions exceeded those for flat elevated lesions ≥10 mm in diameter in both groups (gastroenterologists 0.95, 0.92, and 0.68; radiologists: 0.94, 0.87, and 0.61; P<0.05 for polypoid vs. nonpolypoid), although not significant (P>0.05) for gastroenterologists vs. radiologists. CONCLUSIONS CTC interpretation by gastroenterologists and radiologists was accurate for detection of polypoid neoplasms, but less so for nonpolypoid neoplasms. Gastroenterologists had a higher accuracy in the detection of neoplasms ≥6 mm than did radiologists, although their interpretation time was longer than that of radiologists.
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Affiliation(s)
- Koichi Nagata
- Japanese CTC Society, Boston, Massachusetts, USA,3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Shungo Endo
- Japanese CTC Society, Boston, Massachusetts, USA,Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
| | - Tetsuro Honda
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Nagasaki Kamigoto Hospital, Shinkamigoto, Minamimatsuura, Nagasaki, Japan
| | - Takaaki Yasuda
- Japanese CTC Society, Boston, Massachusetts, USA,Radiology Section, Nagasaki Kamigoto Hospital, Shinkamigoto, Minamimatsuura, Nagasaki, Japan
| | - Michiaki Hirayama
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Otaru Kyokai Hospital, Otaru, Hokkaido, Japan
| | - Sho Takahashi
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Otaru Kyokai Hospital, Otaru, Hokkaido, Japan
| | - Takashi Kato
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Hokkaido Gastroenterology Hospital, Sapporo, Hokkaido, Japan
| | - Shoichi Horita
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Internal Medicine, Hokkaido Gastroenteology Hospital, Sapporo, Hokkaido, Japan
| | - Ken Furuya
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology and Hepatology, Japan Community Health Care Organization (JCHO) Hokkaido Hospital (formerly known as Hokkaido Social Insurance Hospital), Sapporo, Hokkaido, Japan
| | - Kenji Kasai
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, Japan Community Health Care Organization (JCHO) Hokkaido Hospital (formerly known as Hokkaido Social Insurance Hospital), Sapporo, Hokkaido, Japan
| | - Hiroshi Matsumoto
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Kawasaki Medical School Hospital, Kurashiki, Okayama, Japan
| | - Yoshiki Kimura
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, Kawasaki Medical School Hospital, Kurashiki, Okayama, Japan
| | - Kenichi Utano
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, Jichi Medical University Hospital, Shimotsuke, Tochigi, Japan
| | - Hideharu Sugimoto
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, Jichi Medical University Hospital, Shimotsuke, Tochigi, Japan
| | - Hiroyuki Kato
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Clinical Laboratory and Endoscopy, Tokyo Women's Medical University Medical Center East, Tokyo, Japan
| | - Rieko Yamada
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Clinical Laboratory and Endoscopy, Tokyo Women's Medical University Medical Center East, Tokyo, Japan
| | - Junta Yamamichi
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Takeshi Shimamoto
- Department of Medical Statistics and Information, Kameda Medical Center Makuhari, Chiba-city, Chiba, Japan
| | - Yasuji Ryu
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan
| | - Osamu Matsui
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan
| | - Hitoshi Kondo
- Japanese CTC Society, Boston, Massachusetts, USA,Center for Digestive Diseases, Tonan Hospital, Sapporo, Hokkaido, Japan
| | - Ayako Doi
- Japanese CTC Society, Boston, Massachusetts, USA,Center for Digestive Diseases, Tonan Hospital, Sapporo, Hokkaido, Japan
| | - Taro Abe
- Japanese CTC Society, Boston, Massachusetts, USA,Digestive Disease Center, Akita Red Cross Hospital, Akita City, Akita, Japan
| | - Hiro-o Yamano
- Japanese CTC Society, Boston, Massachusetts, USA,Digestive Disease Center, Akita Red Cross Hospital, Akita City, Akita, Japan
| | - Ken Takeuchi
- Japanese CTC Society, Boston, Massachusetts, USA,Center for Gastroenterology and IBD Research, Hamamatsu South Hospital, Hamamatsu, Shizuoka, Japan
| | - Hiroyuki Hanai
- Japanese CTC Society, Boston, Massachusetts, USA,Center for Gastroenterology and IBD Research, Hamamatsu South Hospital, Hamamatsu, Shizuoka, Japan
| | - Yukihisa Saida
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Radiology, St Luke's International Hospital, Tokyo, Japan
| | - Katsuyuki Fukuda
- Japanese CTC Society, Boston, Massachusetts, USA,Department of Gastroenterology, St Luke's International Hospital, Tokyo, Japan
| | - Janne Näppi
- 3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Hiroyuki Yoshida
- Japanese CTC Society, Boston, Massachusetts, USA,3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA,3D Imaging Research, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 25 New Chardon Street, Suite 400C, Boston, Massachusetts 02114, USA. E-mail:
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25
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Riku M, Inaguma S, Ito H, Tsunoda T, Ikeda H, Kasai K. Down-regulation of the zinc-finger homeobox protein TSHZ2 releases GLI1 from the nuclear repressor complex to restore its transcriptional activity during mammary tumorigenesis. Oncotarget 2016; 7:5690-701. [PMID: 26744317 PMCID: PMC4868714 DOI: 10.18632/oncotarget.6788] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [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: 10/28/2015] [Accepted: 12/24/2015] [Indexed: 12/21/2022] Open
Abstract
Although breast cancer is one of the most common malignancies, the molecular mechanisms underlying its development and progression are not fully understood. To identify key molecules involved, we screened publicly available microarray datasets for genes differentially expressed between breast cancers and normal mammary glands. We found that three of the genes predicted in this analysis were differentially expressed among human mammary tissues and cell lines. Of these genes, we focused on the role of the zinc-finger homeobox protein TSHZ2, which is down-regulated in breast cancer cells. We found that TSHZ2 is a nuclear protein harboring a bipartite nuclear localization signal, and we confirmed its function as a C-terminal binding protein (CtBP)-dependent transcriptional repressor. Through comprehensive screening, we identified TSHZ2-suppressing genes such as AEBP1 and CXCR4, which are conversely up-regulated by GLI1, the downstream transcription factor of Hedgehog signaling. We found that GLI1 forms a ternary complex with CtBP2 in the presence of TSHZ2 and that the transcriptional activity of GLI1 is suppressed by TSHZ2 in a CtBP-dependent manner. Indeed, knockdown of TSHZ2 increases the expression of AEBP1 and CXCR4 in TSHZ2-expressing immortalized mammary duct epithelium. Concordantly, immunohistochemical staining of mammary glands revealed that normal duct cells expresses GLI1 in the nucleus along with TSHZ2 and CtBP2, whereas invasive ductal carcinoma cells, which does not express TSHZ2, show the increase in the expression of AEBP1 and CXCR4 and in the cytoplasmic localization of GLI1. Thus, we propose that down-regulation of TSHZ2 is crucial for mammary tumorigenesis via the activation of GLI1.
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Affiliation(s)
- Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Takumi Tsunoda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
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26
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Kanehara A, Ando S, Araki T, Usami S, Kuwabara H, Kano Y, Kasai K. Trends in psychological distress and alcoholism after The Great East Japan Earthquake of 2011. SSM Popul Health 2016; 2:807-812. [PMID: 29349191 PMCID: PMC5757822 DOI: 10.1016/j.ssmph.2016.10.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [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: 07/19/2016] [Revised: 10/17/2016] [Accepted: 10/20/2016] [Indexed: 12/04/2022] Open
Abstract
AIMS Many studies have shown that natural disasters affect mental health; however, longitudinal data on post-disaster mental health problems are scarce. The aims of our study were to investigate the trend in psychological distress and alcoholism after The Great East Japan Earthquake and tsunami in north eastern Japan, in March 2011. METHODS A longitudinal study was conducted using annual health check data for the general population, in the city of Higashi-Matsushima, which was affected by the high impact of tsunami. In 2012 and 2013, the Kessler Psychological Distress Scale and the CAGE questionnaire (for screening for alcoholism) were used to assess psychological distress and prevalence of alcoholism. RESULTS Of 11,855 total eligible residents, 2192 received the annual check in 2012 and 2013. The prevalence of mental illness and the mean score of alcoholism tendency increased during the follow-up period. The majority of respondents (43.8%) with baseline serious mental illness (SMI) continued to have SMI at follow-up; only 16.7% reported recovering. Older age, female sex, and severity of home damage predicted higher psychological distress, while male sex was a risk factor for alcoholism at follow-up. CONCLUSIONS Psychological distress deteriorated 2 years after the huge natural disaster, compared with 1 year after the disaster. Long-term mental health care is needed for those affected by natural disasters, particularly those who have suffered loss.
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Affiliation(s)
- A. Kanehara
- Department of Neuropsychiatry, The University of Tokyo, Tokyo, Japan
| | - S. Ando
- Department of Psychiatry and Behavioural Sciences, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo 156-8506, Japan
| | - T. Araki
- Department of Youth Mental Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - S. Usami
- Department of Psychology, University of Tsukuba, Tsukuba, Japan
| | - H. Kuwabara
- Disability Services Office, The University of Tokyo, Tokyo, Japan
| | - Y. Kano
- Department of Child Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - K. Kasai
- Department of Neuropsychiatry, The University of Tokyo, Tokyo, Japan
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27
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Kasai K. GLI1, a master regulator of the hallmark of pancreatic cancer. Pathol Int 2016; 66:653-660. [PMID: 27862693 DOI: 10.1111/pin.12476] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [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: 08/24/2016] [Revised: 10/17/2016] [Accepted: 10/18/2016] [Indexed: 12/24/2022]
Abstract
Hedgehog signaling is highly conserved across species and governs proper embryonic development. Germline gene mutations that reduce this signaling activity cause a variety of developmental abnormalities such as holoprosencephaly, while those that enhance Hedgehog signaling activity induce a tumor-predisposition condition Nevoid basal cell carcinoma syndrome. Furthermore, dysregulated activation of Hedgehog signaling has been recognized in various sporadic malignancies, including pancreatic adenocarcinoma. Pancreatic adenocarcinoma develops through a multistep carcinogenesis starting with oncogenic mutation of the KRAS gene. During this process, precancerous or cancer cells secrete Hedgehog ligand proteins to promote characteristic desmoplastic stroma around the cells, which in turn activates the expression of the downstream transcription factor GLI1 inside the cells. The quantitative and spatiotemporal dysregulation of GLI1 subsequently leads to the expression of transcriptional target genes of GLI1 that govern the hallmark of malignant properties. Here, after a brief introductory outline, a perspective is offered of Hedgehog signaling with a special focus on the role of GLI1 in pancreatic carcinogenesis.
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Affiliation(s)
- Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
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28
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Okada N, Fukunaga M, Yamashita F, Koshiyama D, Yamamori H, Ohi K, Yasuda Y, Fujimoto M, Watanabe Y, Yahata N, Nemoto K, Hibar DP, van Erp TGM, Fujino H, Isobe M, Isomura S, Natsubori T, Narita H, Hashimoto N, Miyata J, Koike S, Takahashi T, Yamasue H, Matsuo K, Onitsuka T, Iidaka T, Kawasaki Y, Yoshimura R, Watanabe Y, Suzuki M, Turner JA, Takeda M, Thompson PM, Ozaki N, Kasai K, Hashimoto R. Abnormal asymmetries in subcortical brain volume in schizophrenia. Mol Psychiatry 2016; 21:1460-6. [PMID: 26782053 PMCID: PMC5030462 DOI: 10.1038/mp.2015.209] [Citation(s) in RCA: 238] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 11/06/2015] [Accepted: 11/13/2015] [Indexed: 12/31/2022]
Abstract
Subcortical structures, which include the basal ganglia and parts of the limbic system, have key roles in learning, motor control and emotion, but also contribute to higher-order executive functions. Prior studies have reported volumetric alterations in subcortical regions in schizophrenia. Reported results have sometimes been heterogeneous, and few large-scale investigations have been conducted. Moreover, few large-scale studies have assessed asymmetries of subcortical volumes in schizophrenia. Here, as a work completely independent of a study performed by the ENIGMA consortium, we conducted a large-scale multisite study of subcortical volumetric differences between patients with schizophrenia and controls. We also explored the laterality of subcortical regions to identify characteristic similarities and differences between them. T1-weighted images from 1680 healthy individuals and 884 patients with schizophrenia, obtained with 15 imaging protocols at 11 sites, were processed with FreeSurfer. Group differences were calculated for each protocol and meta-analyzed. Compared with controls, patients with schizophrenia demonstrated smaller bilateral hippocampus, amygdala, thalamus and accumbens volumes as well as intracranial volume, but larger bilateral caudate, putamen, pallidum and lateral ventricle volumes. We replicated the rank order of effect sizes for subcortical volumetric changes in schizophrenia reported by the ENIGMA consortium. Further, we revealed leftward asymmetry for thalamus, lateral ventricle, caudate and putamen volumes, and rightward asymmetry for amygdala and hippocampal volumes in both controls and patients with schizophrenia. Also, we demonstrated a schizophrenia-specific leftward asymmetry for pallidum volume. These findings suggest the possibility of aberrant laterality in neural pathways and connectivity patterns related to the pallidum in schizophrenia.
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Affiliation(s)
- N Okada
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - M Fukunaga
- Division of Cerebral Integration, National Institute for Physiological Sciences, Aichi, Japan
| | - F Yamashita
- Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Iwate, Japan
| | - D Koshiyama
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - H Yamamori
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
| | - K Ohi
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Y Yasuda
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
| | - M Fujimoto
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Y Watanabe
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - N Yahata
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan
| | - K Nemoto
- Department of Neuropsychiatry, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - D P Hibar
- Imaging Genetics Center, University of Southern California, Marina del Rey, CA, USA
| | - T G M van Erp
- Department of Psychiatry and Human Behavior, University of California, Irvine, CA, USA
| | - H Fujino
- Graduate School of Human Sciences, Osaka University, Osaka, Japan
| | - M Isobe
- Department of Psychiatry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - S Isomura
- Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - T Natsubori
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - H Narita
- Department of Psychiatry, Hokkaido University Graduate School of Medicine, Hokkaido, Japan
| | - N Hashimoto
- Department of Psychiatry, Hokkaido University Graduate School of Medicine, Hokkaido, Japan
| | - J Miyata
- Department of Psychiatry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - S Koike
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Office for Mental Health Support, Division for Counseling and Support, The University of Tokyo, Tokyo, Japan
| | - T Takahashi
- Department of Neuropsychiatry, University of Toyama Graduate School of Medicine and Pharmaceutical Sciences, Toyama, Japan
| | - H Yamasue
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - K Matsuo
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - T Onitsuka
- Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - T Iidaka
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Y Kawasaki
- Department of Neuropsychiatry, Kanazawa Medical University, Ishikawa, Japan
| | - R Yoshimura
- Department of Psychiatry, University of Occupational and Environmental Health, Fukuoka, Japan
| | - Y Watanabe
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - M Suzuki
- Department of Neuropsychiatry, University of Toyama Graduate School of Medicine and Pharmaceutical Sciences, Toyama, Japan
| | - J A Turner
- Department of Psychology, Georgia State University, Atlanta, GA, USA
- Department of Neuroscience, Georgia State University, Atlanta, GA, USA
| | - M Takeda
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
| | - P M Thompson
- Imaging Genetics Center, University of Southern California, Marina del Rey, CA, USA
| | - N Ozaki
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - K Kasai
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - R Hashimoto
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Osaka, Japan
| | - COCORO
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Division of Cerebral Integration, National Institute for Physiological Sciences, Aichi, Japan
- Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Iwate, Japan
- Department of Psychiatry, Osaka University Graduate School of Medicine, Osaka, Japan
- Department of Radiology, Osaka University Graduate School of Medicine, Osaka, Japan
- Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan
- Department of Neuropsychiatry, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
- Imaging Genetics Center, University of Southern California, Marina del Rey, CA, USA
- Department of Psychiatry and Human Behavior, University of California, Irvine, CA, USA
- Graduate School of Human Sciences, Osaka University, Osaka, Japan
- Department of Psychiatry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Psychiatry, Hokkaido University Graduate School of Medicine, Hokkaido, Japan
- Office for Mental Health Support, Division for Counseling and Support, The University of Tokyo, Tokyo, Japan
- Department of Neuropsychiatry, University of Toyama Graduate School of Medicine and Pharmaceutical Sciences, Toyama, Japan
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Aichi, Japan
- Department of Neuropsychiatry, Kanazawa Medical University, Ishikawa, Japan
- Department of Psychiatry, University of Occupational and Environmental Health, Fukuoka, Japan
- Department of Psychology, Georgia State University, Atlanta, GA, USA
- Department of Neuroscience, Georgia State University, Atlanta, GA, USA
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Osaka, Japan
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29
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Inaguma S, Riku M, Ito H, Tsunoda T, Ikeda H, Kasai K. GLI1 orchestrates CXCR4/CXCR7 signaling to enhance migration and metastasis of breast cancer cells. Oncotarget 2016; 6:33648-57. [PMID: 26413813 PMCID: PMC4741792 DOI: 10.18632/oncotarget.5203] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [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: 07/30/2015] [Accepted: 09/04/2015] [Indexed: 12/17/2022] Open
Abstract
The up-regulation of chemokine receptors CXCR4 and CXCR7 impacts on the distant metastasis and prognosis of breast cancer, though knowledge about the regulatory mechanism of their expressions is limited. Meanwhile, the GLI transcription factors of Hedgehog signaling have been reported to play a pivotal role in the development and progression of many types of human cancer. In breast cancer, the increased expression of GLI1 correlated with metastasis and unfavorable overall prognosis, though its molecular mechanism is also not fully understood. Based on our findings that GLI1 enhanced the lung metastasis of breast cancer cells in a mouse model system, we comprehensively screened for genes up-regulated by GLI1 in breast cancer cells, and as such identified CXCR4, CXCR7/ACKR3, and actin-binding protein LCP1/L-PLASTIN, all of which have been reported to be involved in CXCL12-stimulating signaling. In breast cancer cells, we found that GLI1 and GLI2 up-regulated these expressions, while treatment with GLI-specific inhibitor GANT61 reduced the expressions. As for CXCR4, we confirmed it as a direct target of GLI1 through the reporter assay and the chromatin immunoprecipitation assay. We also found that GLI1 enhanced CXCL12-induced ERK phosphorylation and cell migration, both of which were blocked by either CXCR4-specific inhibitor or knockdown of CXCR7 or LCP1. These evidences suggest an indispensable role of GLI1 in the migration and metastasis of breast cancer cells through CXCL12/CXCR4 signaling enhancement.
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Affiliation(s)
- Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
| | - Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
| | - Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
| | - Takumi Tsunoda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi 480-1195, Japan
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30
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Inaguma S, Ito H, Riku M, Ikeda H, Kasai K. Addiction of pancreatic cancer cells to zinc-finger transcription factor ZIC2. Oncotarget 2016; 6:28257-68. [PMID: 26318045 PMCID: PMC4695058 DOI: 10.18632/oncotarget.4960] [Citation(s) in RCA: 32] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Accepted: 07/03/2015] [Indexed: 12/17/2022] Open
Abstract
Activity of GLI transcription factors of Hedgehog signaling is key for various cancer cell properties, especially in pancreatic ductal adenocarcinoma (PDAC). Zinc-finger transcriptional regulators ZIC1 to ZIC5 of ZIC gene family were demonstrated to associate with GLI to increase the nuclear accumulation and transcriptional activity of GLI. Notwithstanding this supportive role for GLI-dependent transcription, it was not fully understood whether ZIC plays an independent role in cancer cell biology. Here, we found that ZIC2 is indispensable in the regulation of PDAC cell apoptosis. We found that human PDAC cell lines uniquely express ZIC2. ZIC2 knockdown induced PDAC cell apoptosis; conversely, ZIC2 over-expression enhanced the cellular proliferation. Through a comprehensive screening, we identified fibroblast growth factor receptor 3 (FGFR3) and ANNEXIN A8 (ANXA8) as genes up-regulated by ZIC2 in PDAC cells. The forced expression of these two genes cooperatively rescued the apoptosis of ZIC2-knockdown cells. Immunohistochemical analyses further supported the correlation of ZIC2 expression and these genes in human pancreata harboring PDAC. Intriguingly, the ZIC2-mediated up-regulation of FGFR3 and ANXA8 was indicated to be GLI -independent. This evidence highlights the indispensable role of ZIC2 in regulating cellular proliferation and apoptosis during PDAC development and suggests a potential therapeutic target for PDAC.
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Affiliation(s)
- Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hideaki Ito
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Miho Riku
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
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31
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Iida T, Adachi T, Nakagaki S, Yabana T, Goto A, Kondo Y, Watanabe Y, Kasai K. EDUCATION AND IMAGING. Gastrointestinal: Needle tract implantation after endoscopic ultrasound-guided fine-needle aspiration of a pancreatic adenocarcinoma. J Gastroenterol Hepatol 2016; 31:285. [PMID: 26510538 DOI: 10.1111/jgh.13209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 10/16/2015] [Indexed: 12/29/2022]
Affiliation(s)
- T Iida
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan.
| | - T Adachi
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan
| | - S Nakagaki
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan
| | - T Yabana
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan
| | - A Goto
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan
| | - Y Kondo
- Department of Gastroenterology, Otaru General Hospital, Otaru, Japan
| | - Y Watanabe
- Department of Surgery, Otaru General Hospital, Otaru, Japan
| | - K Kasai
- Department of Diagnostic Pathology, Otaru General Hospital, Otaru, Japan
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32
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Aso Y, Jojima T, Iijima T, Suzuki K, Terasawa T, Fukushima M, Momobayashi A, Hara K, Takebayashi K, Kasai K, Inukai T. Sitagliptin, a dipeptidyl peptidase-4 inhibitor, increases the number of circulating CD34⁺CXCR4⁺ cells in patients with type 2 diabetes. Endocrine 2015. [PMID: 26209038 DOI: 10.1007/s12020-015-0688-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [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] [Indexed: 01/09/2023]
Abstract
We investigated the effects of sitagliptin, a dipeptidyl peptidase (DPP)-4 inhibitor, on the number of circulating CD34(+)CXCR4(+)cells, a candidate for endothelial progenitor cells (EPCs), plasma levels of stromal cell-derived factor (SDF)-1α, a ligand for CXCR4 receptor and a substrate for DPP-4, and plasma levels of interferon-inducible protein (IP)-10, for a substrate for DPP-4, in patients with type 2 diabetes. We studied 30 consecutive patients with type 2 diabetes who had poor glycemic control despite treatment with metformin and/or sulfonylurea. Thirty diabetic patients were randomized in a 2:1 ratio into a sitagliptin (50 mg/day) treatment group or an active placebo group (glimepiride 1 mg/day) for 12 weeks. Both groups showed similar improvements in glycemic control. The number of circulating CD34(+)CXCR4(+) cells was increased from 30.5 (20.0, 47.0)/10(6) cells at baseline to 55.5 (31.5, 80.5)/10(6) cells at 12 weeks of treatment with 50 mg/day sitagliptin (P = 0.0014), while showing no significant changes in patients treated with glimepiride. Plasma levels of SDF-1α and IP-10, both physiological substrates of endogenous DPP-4 and chemokines, were significantly decreased at 12 weeks of sitagliptin treatment. In conclusion, treatment with sitagliptin increased the number of circulating CD34(+)CXCR4(+) cells by approximately 2-fold in patients with type 2 diabetes.
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Affiliation(s)
- Yoshimasa Aso
- Department of Endocrinology and Metabolism, Dokkyo Medical University, 880 Kita-Kobayashi, Shimotsuga, Mibu, Tochigi, 321-0293, Japan.
| | - T Jojima
- Department of Endocrinology and Metabolism, Dokkyo Medical University, 880 Kita-Kobayashi, Shimotsuga, Mibu, Tochigi, 321-0293, Japan
| | - T Iijima
- Department of Endocrinology and Metabolism, Dokkyo Medical University, 880 Kita-Kobayashi, Shimotsuga, Mibu, Tochigi, 321-0293, Japan
| | - K Suzuki
- Department of Endocrinology and Metabolism, Dokkyo Medical University, 880 Kita-Kobayashi, Shimotsuga, Mibu, Tochigi, 321-0293, Japan
| | - T Terasawa
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Saitama, Japan
| | - M Fukushima
- LSI Medience Corp., Itabashi-Ku, Tokyo, Japan
| | | | - K Hara
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Saitama, Japan
| | - K Takebayashi
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Saitama, Japan
| | - K Kasai
- Department of Medicine, Ishibashi General Hospital, Shimotsuke, Tochigi, Japan
| | - T Inukai
- Department of Internal Medicine, Koshigaya Hospital, Dokkyo Medical University, Koshigaya, Saitama, Japan
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Takano Y, Kasai K, Takagishi Y, Kikumori T, Imai T, Murata Y, Hayashi Y. Pancreatic Neuroendocrine Tumors in Mice Deficient in Proglucagon-Derived Peptides. PLoS One 2015; 10:e0133812. [PMID: 26192435 PMCID: PMC4508046 DOI: 10.1371/journal.pone.0133812] [Citation(s) in RCA: 9] [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: 05/13/2015] [Accepted: 06/29/2015] [Indexed: 12/25/2022] Open
Abstract
Animal models with defective glucagon action show hyperplasia of islet α-cells, however, the regulatory mechanisms underlying the proliferation of islet endocrine cells remain largely to be elucidated. The Gcggfp/gfp mice, which are homozygous for glucagon/green fluorescent protein knock-in allele (GCGKO), lack all proglucagon-derived peptides including glucagon and GLP-1. The present study was aimed to characterize pancreatic neuroendocrine tumors (panNETs), which develop in the GCGKO mice. At 15 months of age, macroscopic GFP-positive tumors were identified in the pancreas of all the GCGKO mice, but not in that of the control heterozygous mice. The tumor manifested several features that were consistent with pancreatic neuroendocrine tumors (panNETs), such as organoid structures with trabecular and cribriform patterns, and the expression of chromogranin A and synaptophysin. Dissemination of GFP-positive cells was observed in the liver and lungs in 100% and 95%, respectively, of 15-month-old GCGKO mice. To elucidate the regulatory mechanism for tumor growth, PanNET grafts were transplanted into subrenal capsules in GCGKO and control mice. Ki-67 positive cells were identified in panNET grafts transplanted to GCGKO mice 1 month after transplantation, but not in those to control mice. These results suggest that humoral factors or conditions specific to GCGKO mice, are involved in the proliferation of panNETs. Taken together, GCGKO mice are novel animal model for studying the development, pathogenesis, and metastasis panNETs.
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Affiliation(s)
- Yuko Takano
- Department of Genetics, Research Institute of Environmental Medicine, Nagoya University, 464–8601, Nagoya, Aichi, Japan
- Department of Transplantation and Endocrine Surgery, Nagoya University Graduate School of Medicine, 466–8550, Nagoya, Aichi, Japan
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University, 480–1195, Nagakute, Aichi, Japan
| | - Yoshiko Takagishi
- Department of Genetics, Research Institute of Environmental Medicine, Nagoya University, 464–8601, Nagoya, Aichi, Japan
| | - Toyone Kikumori
- Department of Transplantation and Endocrine Surgery, Nagoya University Graduate School of Medicine, 466–8550, Nagoya, Aichi, Japan
| | - Tsuneo Imai
- Department of Transplantation and Endocrine Surgery, Nagoya University Graduate School of Medicine, 466–8550, Nagoya, Aichi, Japan
- Department of Breast and Endocrine Surgery, Aichi Medical University, 480–1195, Nagakute, Aichi, Japan
| | - Yoshiharu Murata
- Department of Genetics, Research Institute of Environmental Medicine, Nagoya University, 464–8601, Nagoya, Aichi, Japan
| | - Yoshitaka Hayashi
- Department of Genetics, Research Institute of Environmental Medicine, Nagoya University, 464–8601, Nagoya, Aichi, Japan
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Imamura K, Kawakami N, Furukawa TA, Matsuyama Y, Shimazu A, Umanodan R, Kawakami S, Kasai K. Does Internet-based cognitive behavioral therapy (iCBT) prevent major depressive episode for workers? A 12-month follow-up of a randomized controlled trial. Psychol Med 2015; 45:1907-1917. [PMID: 25562115 DOI: 10.1017/s0033291714003006] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [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] [Indexed: 11/06/2022]
Abstract
BACKGROUND In this study we investigated whether an Internet-based computerized cognitive behavioral therapy (iCBT) program can decrease the risk of DSM-IV-TR major depressive episodes (MDE) during a 12-month follow-up of a randomized controlled trial of Japanese workers. METHOD Participants were recruited from one company and three departments of another company. Those participants who did not experience MDE in the past month were randomly allocated to intervention or control groups (n = 381 for each). A 6-week, six-lesson iCBT program was provided to the intervention group. While the control group only received the usual preventive mental health service for the first 6 months, the control group was given a chance to undertake the iCBT program after a 6-month follow-up. The primary outcome was a new onset of DSM-IV-TR MDE during the 12-month follow-up, as assessed by means of the web version of the WHO Composite International Diagnostic Interview (CIDI), version 3.0 depression section. RESULTS The intervention group had a significantly lower incidence of MDE at the 12-month follow-up than the control group (Log-rank χ2 = 7.04, p < 0.01). The hazard ratio for the intervention group was 0.22 (95% confidence interval 0.06-0.75), when estimated by the Cox proportional hazard model. CONCLUSIONS The present study demonstrates that an iCBT program is effective in preventing MDE in the working population. However, it should be noted that MDE was measured by self-report, while the CIDI can measure the episodes more strictly following DSM-IV criteria.
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Affiliation(s)
- K Imamura
- Department of Mental Health,Graduate School of Medicine, The University of Tokyo,Tokyo,Japan
| | - N Kawakami
- Department of Mental Health,Graduate School of Medicine, The University of Tokyo,Tokyo,Japan
| | - T A Furukawa
- Departments of Health Promotion and Human Behavior and of Clinical Epidemiology,Graduate School of Medicine/School of Public Health, Kyoto University,Kyoto,Japan
| | - Y Matsuyama
- Department of Biostatistics,Graduate School of Medicine, The University of Tokyo,Tokyo,Japan
| | - A Shimazu
- Department of Mental Health,Graduate School of Medicine, The University of Tokyo,Tokyo,Japan
| | - R Umanodan
- Kyoto office,Health Wave Co., Ltd,Kyoto,Japan
| | - S Kawakami
- Nippon University College of the Arts,Tokyo,Japan
| | - K Kasai
- Department of Neuropsychiatry,Graduate School of Medicine, The University of Tokyo,Tokyo,Japan
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Yamanaka S, Miyazaki Y, Kasai K, Ikeda SI, Kiuru-Enari S, Hosoya T. Hereditary renal amyloidosis caused by a heterozygous G654A gelsolin mutation: a report of two cases. Clin Kidney J 2015; 6:189-93. [PMID: 26019848 PMCID: PMC4432447 DOI: 10.1093/ckj/sft007] [Citation(s) in RCA: 7] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Accepted: 01/14/2013] [Indexed: 11/14/2022] Open
Abstract
Finnish-type familial amyloidosis (FAF) is a rare hereditary systemic amyloidosis that mainly exhibits cranial neuropathy. We describe a Japanese family with FAF manifested predominantly as renal amyloidosis. The proband was a 42-year-old woman with a 21-year history of proteinuria due to renal amyloidosis. Her mother was subsequently diagnosed with a similar disorder. After the first renal biopsy, both patients were followed up routinely for a period of 14 years. Genetic analysis of DNA samples revealed a heterozygous G654A gelsolin mutation. Severe renal involvement has not been reported previously in patients with FAF bearing a heterozygous gelsolin mutation.
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Affiliation(s)
- Shuichiro Yamanaka
- Division of Regenerative Medicine , Jikei University School of Medicine , Tokyo , Japan ; Division of Kidney and Hypertension, Department of Internal Medicine , Jikei University School of Medicine , Tokyo , Japan
| | - Yoichi Miyazaki
- Division of Kidney and Hypertension, Department of Internal Medicine , Jikei University School of Medicine , Tokyo , Japan
| | - Kenji Kasai
- Departmentment of Internal Medicine , Fuji City General Hospital , Fuji , Japan
| | - Shu-Ichi Ikeda
- Department of Medicine (Neurology and Rheumatology) , Shinshu University School of Medicine , Matsumoto , Japan
| | - Sari Kiuru-Enari
- Department of Neurology , University of Helsinki, Helsinki University Central Hospital , Finland
| | - Tatsuo Hosoya
- Division of Kidney and Hypertension, Department of Internal Medicine , Jikei University School of Medicine , Tokyo , Japan
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Aoki Y, Watanabe T, Abe O, Kuwabara H, Yahata N, Takano Y, Iwashiro N, Natsubori T, Takao H, Kawakubo Y, Kasai K, Yamasue H. Oxytocin's neurochemical effects in the medial prefrontal cortex underlie recovery of task-specific brain activity in autism: a randomized controlled trial. Mol Psychiatry 2015; 20:447-53. [PMID: 25070538 PMCID: PMC4378254 DOI: 10.1038/mp.2014.74] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/02/2014] [Accepted: 06/06/2014] [Indexed: 01/22/2023]
Abstract
The neuropeptide oxytocin may be an effective therapeutic strategy for the currently untreatable social and communication deficits associated with autism. Our recent paper reported that oxytocin mitigated autistic behavioral deficits through the restoration of activity in the ventromedial prefrontal cortex (vmPFC), as demonstrated with functional magnetic resonance imaging (fMRI) during a socio-communication task. However, it is unknown whether oxytocin exhibited effects at the neuronal level, which was outside of the specific task examined. In the same randomized, double-blind, placebo-controlled, within-subject cross-over clinical trial in which a single dose of intranasal oxytocin (24 IU) was administered to 40 men with high-functioning autism spectrum disorder (UMIN000002241/000004393), we measured N-acetylaspartate (NAA) levels, a marker for neuronal energy demand, in the vmPFC using (1)H-magnetic resonance spectroscopy ((1)H-MRS). The differences in the NAA levels between the oxytocin and placebo sessions were associated with oxytocin-induced fMRI signal changes in the vmPFC. The oxytocin-induced increases in the fMRI signal could be predicted by the NAA differences between the oxytocin and placebo sessions (P=0.002), an effect that remained after controlling for variability in the time between the fMRI and (1)H-MRS scans (P=0.006) and the order of administration of oxytocin and placebo (P=0.001). Furthermore, path analysis showed that the NAA differences in the vmPFC triggered increases in the task-dependent fMRI signals in the vmPFC, which consequently led to improvements in the socio-communication difficulties associated with autism. The present study suggests that the beneficial effects of oxytocin are not limited to the autistic behavior elicited by our psychological task, but may generalize to other autistic behavioral problems associated with the vmPFC.
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Affiliation(s)
- Y Aoki
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - T Watanabe
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,Department of Physiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - O Abe
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,Department of Radiology, Nihon University School of Medicine, Tokyo, Japan
| | - H Kuwabara
- Department of Child Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - N Yahata
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Y Takano
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - N Iwashiro
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - T Natsubori
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - H Takao
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Y Kawakubo
- Department of Child Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - K Kasai
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - H Yamasue
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,Japan Science and Technology Agency, CREST, Tokyo, Japan,Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan. E-mail:
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Tani A, Yasui T, Kasai K, Keyama K, Matsui S, Kato T, Irahara M. Different circulating levels of monocyte chemoattractant protein-1 and interleukin-8 during the menopausal transition. J Reprod Immunol 2014. [DOI: 10.1016/j.jri.2014.09.036] [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] [Indexed: 10/24/2022]
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Abstract
In this study, we first investigated the expressions of Jagged1, Notch2, the receptor activator of nuclear factor–kappa B ligand (RANKL), and interleukin (IL)-6 in areas of root resorption during experimental tooth movement in rats in vivo. We then assessed the effects of compression force (CF) with or without GSI (an inhibitor of Notch signaling) on Jagged1, RANKL, and IL-6 release from human periodontal ligament (hPDL) cells. Twelve male 6-wk-old Wistar rats were subjected to an orthodontic force of 50 g to induce mesially tipping movement of the upper first molars for 7 d. The expression levels of tartrate-resistant acid phosphatase, Jagged1, Notch2, IL-6, and RANKL proteins in the dental root were determined using an immunohistochemical analysis. Furthermore, the effects of the CF on Jagged1, IL-6, and RANKL production were investigated using hPDL cells in vitro. The effects of the cell-conditioned medium obtained from the hPDL cells subjected to CF (CFM) and Jagged 1 on osteoclastogenesis of human osteoclast precursor cells (hOCPs) were also investigated. Under the conditions of experimental tooth movement in vivo, resorption lacunae with multinucleated cells were observed in the 50 g group. In addition, immunoreactivity for Jagged1, Notch2, IL-6, and RANKL was detected on day 7 in the PDL tissue subjected to the orthodontic force. In the in vitro study, the compression force increased the production of Jagged1, IL-6, and RANKL from the hPDL cells, whereas treatment with GSI inhibited the production of these factors in vitro. The osteoclastogenesis increased with the CFM and rhJagged1, and the increase in the osteoclastogenesis was almost inhibited by GSI. These results suggest that the Notch signaling response to excessive orthodontic forces stimulates the process of root resorption via RANKL and IL-6 production from hPDL cells.
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Affiliation(s)
- J. Kikuta
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - M. Yamaguchi
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - M. Shimizu
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - T. Yoshino
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
| | - K. Kasai
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Japan
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Hashimoto R, Ikeda M, Yamashita F, Ohi K, Yamamori H, Yasuda Y, Fujimoto M, Fukunaga M, Nemoto K, Takahashi T, Tochigi M, Onitsuka T, Yamasue H, Matsuo K, Iidaka T, Iwata N, Suzuki M, Takeda M, Kasai K, Ozaki N. Common variants at 1p36 are associated with superior frontal gyrus volume. Transl Psychiatry 2014; 4:e472. [PMID: 25335168 PMCID: PMC4350516 DOI: 10.1038/tp.2014.110] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 08/04/2014] [Accepted: 08/31/2014] [Indexed: 12/29/2022] Open
Abstract
The superior frontal gyrus (SFG), an area of the brain frequently found to have reduced gray matter in patients with schizophrenia, is involved in self-awareness and emotion, which are impaired in schizophrenia. However, no genome-wide association studies of SFG volume have investigated in patients with schizophrenia. To identify single-nucleotide polymorphisms (SNPs) associated with SFG volumes, we demonstrated a genome-wide association study (GWAS) of gray matter volumes in the right or left SFG of 158 patients with schizophrenia and 378 healthy subjects. We attempted to bioinformatically ascertain the potential effects of the top hit polymorphism on the expression levels of genes at the genome-wide region. We found associations between five variants on 1p36.12 and the right SFG volume at a widely used benchmark for genome-wide significance (P<5.0 × 10(-8)). The strongest association was observed at rs4654899, an intronic SNP in the eukaryotic translation initiation factor 4 gamma, 3 (EIF4G3) gene on 1p36.12 (P=7.5 × 10(-9)). No SNP with genome-wide significance was found in the volume of the left SFG (P>5.0 × 10(-8)); however, the rs4654899 polymorphism was identified as the locus with the second strongest association with the volume of the left SFG (P=1.5 × 10(-6)). In silico analyses revealed a proxy SNP of rs4654899 had effect on gene expression of two genes, HP1BP3 lying 3' to EIF4G3 (P=7.8 × 10(-6)) and CAPN14 at 2p (P=6.3 × 10(-6)), which are expressed in moderate-to-high levels throughout the adult human SFG. These results contribute to understand genetic architecture of a brain structure possibly linked to the pathophysiology of schizophrenia.
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Affiliation(s)
- R Hashimoto
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Suita, Osaka, Japan,Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan,Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, D3, 2-2, Yamadaoka, Suita, Osaka 5650871, Japan. E-mail:
| | - M Ikeda
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - F Yamashita
- Division of Ultrahigh Field MRI, Institute for Biomedical Sciences, Iwate Medical University, Yahaba, Iwate, Japan
| | - K Ohi
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - H Yamamori
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan,Department of Molecular Neuropsychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Y Yasuda
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Fujimoto
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Fukunaga
- Biofunctional Imaging, Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - K Nemoto
- Department of Neuropsychiatry, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
| | - T Takahashi
- Department of Neuropsychiatry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - M Tochigi
- Department of Neuropsychiatry, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - T Onitsuka
- Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - H Yamasue
- Department of Neuropsychiatry, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - K Matsuo
- Division of Neuropsychiatry, Department of Neuroscience, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - T Iidaka
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - N Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
| | - M Suzuki
- Department of Neuropsychiatry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - M Takeda
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Suita, Osaka, Japan,Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Kasai
- Department of Neuropsychiatry, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - N Ozaki
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
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Kawamura T, Yoshimura M, Miyazaki Y, Okamoto H, Kimura K, Hirano K, Matsushima M, Utsunomiya Y, Ogura M, Yokoo T, Okonogi H, Ishii T, Hamaguchi A, Ueda H, Furusu A, Horikoshi S, Suzuki Y, Shibata T, Yasuda T, Shirai S, Imasawa T, Kanozawa K, Wada A, Yamaji I, Miura N, Imai H, Kasai K, Soma J, Fujimoto S, Matsuo S, Tomino Y. A multicenter randomized controlled trial of tonsillectomy combined with steroid pulse therapy in patients with immunoglobulin A nephropathy. Nephrol Dial Transplant 2014; 29:1546-53. [PMID: 24596084 PMCID: PMC4106640 DOI: 10.1093/ndt/gfu020] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [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: 12/16/2022] Open
Abstract
Background The study aim was, for the first time, to conduct a multicenter randomized controlled trial to evaluate the effect of tonsillectomy in patients with IgA nephropathy (IgAN). Methods Patients with biopsy-proven IgAN, proteinuria and low serum creatinine were randomly allocated to receive tonsillectomy combined with steroid pulses (Group A; n = 33) or steroid pulses alone (Group B; n = 39). The primary end points were urinary protein excretion and the disappearance of proteinuria and/or hematuria. Results During 12 months from baseline, the percentage decrease in urinary protein excretion was significantly larger in Group A than that in Group B (P < 0.05). However, the frequency of the disappearance of proteinuria, hematuria, or both (clinical remission) at 12 months was not statistically different between the groups. Logistic regression analyses revealed the assigned treatment was a significant, independent factor contributing to the disappearance of proteinuria (odds ratio 2.98, 95% CI 1.01–8.83, P = 0.049), but did not identify an independent factor in achieving the disappearance of hematuria or clinical remission. Conclusions The results indicate tonsillectomy combined with steroid pulse therapy has no beneficial effect over steroid pulses alone to attenuate hematuria and to increase the incidence of clinical remission. Although the antiproteinuric effect was significantly greater in combined therapy, the difference was marginal, and its impact on the renal functional outcome remains to be clarified.
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Affiliation(s)
- Tetsuya Kawamura
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | | | - Yoichi Miyazaki
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Hidekazu Okamoto
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Kenjiro Kimura
- Division of Kidney and Hypertension, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Keita Hirano
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Masato Matsushima
- Division of Clinical Epidemiology, Research Center for Medical Science, Jikei University School of Medicine, Tokyo, Japan
| | - Yasunori Utsunomiya
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Makoto Ogura
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Yokoo
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Hideo Okonogi
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Takeo Ishii
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Akihiko Hamaguchi
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Hiroyuki Ueda
- Division of Kidney and Hypertension, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan
| | - Akira Furusu
- Second Department of Internal Medicine, Nagasaki University Hospital of Medicine and Dentistry, Nagasaki, Japan
| | - Satoshi Horikoshi
- Division of Nephrology, Department of Internal Medicine, Juntendo University School of Medicine, Tokyo, Japan
| | - Yusuke Suzuki
- Division of Nephrology, Department of Internal Medicine, Juntendo University School of Medicine, Tokyo, Japan
| | - Takanori Shibata
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Takashi Yasuda
- Division of Kidney and Hypertension, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Sayuri Shirai
- Division of Kidney and Hypertension, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
| | | | - Koichi Kanozawa
- Division of Kidney and Hypertension, Department of Internal Medicine, Saitama University Medical Centre, Saitama, Japan
| | - Akira Wada
- Department of Internal Medicine, National Hospital Organization, Osaka National Hospital, Osaka, Japan
| | - Izumi Yamaji
- Department of Internal Medicine, Teine Keijinkai Hospital, Sapporo, Japan
| | - Naoto Miura
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Hirokazu Imai
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
| | - Kenji Kasai
- Department of Internal Medicine, Fuji City Central Hospital, Fuji, Japan
| | - Jun Soma
- Department of Internal Medicine, Iwate Prefectural Central Hospital, Morioka, Japan
| | - Shouichi Fujimoto
- Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Seiichi Matsuo
- Division of Nephrology, Department of Internal Medicine, Faculty of Medicine, University of Nagoya, Nagoya, Japan
| | - Yasuhiko Tomino
- Division of Nephrology, Department of Internal Medicine, Juntendo University School of Medicine, Tokyo, Japan
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Shioya M, Yoshida T, Kasai K, Furuya R, Kato A, Mori N, Matsumoto Y, Kumagai H. Inflammatory factors for hypoalbuminemia in Japanese peritoneal dialysis patients. Nephrology (Carlton) 2014; 18:539-44. [PMID: 23718260 DOI: 10.1111/nep.12106] [Citation(s) in RCA: 10] [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] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2013] [Indexed: 11/28/2022]
Abstract
AIM Hypoalbuminaemia is a common complication of peritoneal dialysis (PD), and the leakage of albumin through peritoneal membrane may be a principal reason for hypoalbuminaemia. However, the relationship between peritoneal inflammation, peritoneal transport properties and hypoalbuminaemia has not been fully elucidated. METHODS A cross-sectional study was performed on 76 Japanese PD patients who had been using a low-glucose PD solution and icodextrin. Systemic inflammatory markers of C-reactive protein (CRP) and serum interleukin-6 (IL-6), peritoneal effluent markers of dialysate IL-6 and CA125, the dialysate-to-plasma ratio of creatinine (D/Pcr) and the dialysate protein concentration were measured and examined for their relationship with hypoalbuminaemia. RESULTS There was a significant positive correlation between serum IL-6 and dialysate IL-6, mean dialysate IL-6 being significantly higher than mean serum IL-6, suggesting that intraperitoneal inflammation was a principal origin of systemic inflammation. Both serum and dialysate IL-6 were significantly correlated with serum albumin (r= -0.25, P<0.05 and r=-0.32, P<0.01, respectively). Dialysate IL-6 was significantly correlated with D/Pcr and the dialysate protein concentration, and there was a significantly positive association between D/Pcr and the dialysate protein concentration. Dialysate CA125, which is argued to be a marker of mesothelial cell mass in this study, was positively correlated with D/Pcr and the dialysate protein concentration. The dialysate protein, dialysate IL-6 and dialysate CA125 all increased according to the peritoneal transport rate defined by D/Pcr. A multiple-regression analysis showed that serum albumin was independently associated with the age, D/Pcr and serum IL-6. CONCLUSION Hypoalbuminaemia was attributable to both the increased peritoneal permeability and systemic inflammation, and intraperitoneal inflammation might contribute to developing these complications.
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Affiliation(s)
- Masuyo Shioya
- Department of Clinical Nutrition, School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
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Nakayama M, Miyazaki M, Honda K, Kasai K, Tomo T, Nakamoto H, Kawanishi H. Encapsulating peritoneal sclerosis in the era of a multi-disciplinary approach based on biocompatible solutions: the NEXT-PD study. Perit Dial Int 2014; 34:766-74. [PMID: 24497585 DOI: 10.3747/pdi.2013.00074] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [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: 12/11/2022] Open
Abstract
INTRODUCTION Encapsulating peritoneal sclerosis (EPS) is a serious complication of peritoneal dialysis (PD). Over the past decade in Japan, a multidisciplinary approach has been adopted to minimize the incidence and improve outcomes of EPS. This strategy includes planned PD discontinuation for high-risk patients and the introduction of biocompatible solutions. This study examined the current clinical status of EPS in representative PD centers in Japan. DESIGN, SETTING, PARTICIPANTS AND MEASUREMENTS Patients (n = 1,338) from 55 PD centers in Japan who were using neutral-pH solutions from the initiation of therapy (mean age, 62 years; median PD duration, 32 months; concomitant use of icodextrin, 35.2%; PD and hemodialysis combination therapy, 12.2%) were assessed every 6 months to ascertain the reasons for PD discontinuation and the development of EPS development. Outcomes were also recorded. The study period was from November 2008 to March 2012. RESULTS There were 727 patients who discontinued PD, including 163 deaths. Among all causes of PD withdrawal except for death, planned PD discontinuation to avoid EPS was utilized in 58 cases (7.1% in total). The strategy was increasingly utilized in proportion to the duration of PD: 0.5% for patients undergoing PD for < 3 years, 0.6% for patients undergoing PD for 5 years, 14.7% for patients undergoing PD for 8 years, and 35.5% for patients undergoing PD for > 8 years. Fourteen patients developed EPS (three cases after PD), which corresponded with an overall incidence of 1.0%. The incidence according to the duration of PD was 0.3% for PD < 3 years, 0.6% for PD = 5 years, 2.3% for PD = 8 years, and 1.2% for PD > 8 years. In terms of therapy, 11 patients were treated with prednisolone (PSL), and surgical enterolysis was utilized in two cases. Complete remission of abdominal symptoms was achieved in twelve patients (85.7%), and three died due to EPS (mortality rate of 21.4%). CONCLUSIONS Use of the multidisciplinary approach described above reduces the risk of the development of EPS according to PD duration. In cases of de novo EPS cases in Japan, this strategy can also attenuate the clinical course of the condition.
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Affiliation(s)
- Masaaki Nakayama
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Masanobu Miyazaki
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Kazuho Honda
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Kenji Kasai
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Tadashi Tomo
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Hidetomo Nakamoto
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
| | - Hideki Kawanishi
- Tohoku University Graduate School of Medicine, Sendai, Japan; Fukushima Medical University School of Medicine, Fukushima, Japan; Miyazaki Clinic, Nagasaki, Japan; Tokyo Women's Medical University School of Medicine, Tokyo, Japan; Fuji City General Hospital, Fuji, Japan; Oita University School of Medicine, Oita, Japan; Saitama Medical University, Saitama, Japan; and Tsuchiya General Hospital, Hiroshima, Japan
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Inaguma S, Riku M, Hashimoto M, Murakami H, Saga S, Ikeda H, Kasai K. GLI1 interferes with the DNA mismatch repair system in pancreatic cancer through BHLHE41-mediated suppression of MLH1. Cancer Res 2013; 73:7313-23. [PMID: 24165159 DOI: 10.1158/0008-5472.can-13-2008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [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
The mismatch repair (MMR) system is indispensable for the fidelity of DNA replication, the impairment of which predisposes to the development and progression of many types of cancers. To date, GLI1 transcription factor, a key molecule of the Hedgehog signaling pathway, has been shown to regulate the expression of several genes crucial for a variety of cancer cell properties in many types of cancers, including pancreatic ductal adenocarcinoma (PDAC), but whether GLI1 could control the MMR system was not known. Here, we showed that GLI1 and GLI2 indirectly suppressed the expression of MLH1 in PDAC cells. Through GLI1 target gene screening, we found that GLI1 and GLI2 activated the expression of a basic helix-loop-helix type suppressor BHLHE41/DEC2/SHARP1 through a GLI-binding site in the promoter. Consistent with a previous report that BHLHE41 suppresses the MLH1 promoter activity, we found that the activation of GLI1 led to the BHLHE41-dependent suppression of MLH1, and a double knockdown of GLI1 and GLI2 conversely increased the MLH1 protein in PDAC cells. Using TALEN-based modification of the MLH1 gene, we further showed that GLI1 expression was indeed associated with an increased tolerance to a methylating agent, methylnitrosourea cooperatively with a lower copy number status of MLH1. Finally, GLI1 expression was immunohistochemically related positively with BHLHE41 and inversely with MLH1 in PDAC cells and precancerous lesions of the pancreas. On the basis of these results, we propose that GLI1 depresses the MMR activity and might contribute to the development and progression of PDAC.
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Affiliation(s)
- Shingo Inaguma
- Authors' Affiliation: Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Aichi, Japan
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Baba M, Furuya K, Koizumi T, Kasai K, Sadaoka K, Sekiya C, Hattori A. [Two cases of neuroendocrine carcinoma in the biliary system with long-term survival]. Nihon Shokakibyo Gakkai Zasshi 2013. [PMID: 22976230 DOI: 10.11405/nisshoshi.109.1598] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We report here two cases of neuroendocrine carcinoma which occurred in the biliary system. The prognosis of neuroendocrine carcinoma in the biliary system is generally poor. However, based on the preoperative pathological diagnosis of neuroendocrine carcinoma, multidisciplinary treatment consisting of preoperative chemotherapy, chemoradiation therapy, curative resection and adjuvant chemotherapy seemed to be very effective and long-term survival was obtained in our two cases. Therefore it is essential to diagnose preoperatively to improve prognosis.
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Affiliation(s)
- Masaru Baba
- Center for Gastroenterology and Hepatology, Hokkaido Social Insurance Hospital.
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Yamada K, Yamaguchi M, Asano M, Fujita S, Kobayashi R, Kasai K. Th17-cells in atopic dermatitis stimulate orthodontic root resorption. Oral Dis 2012; 19:683-93. [PMID: 23279451 DOI: 10.1111/odi.12053] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [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: 08/29/2012] [Revised: 10/15/2012] [Accepted: 11/25/2012] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The aim of this study was to investigate how atopic dermatitis (AD) contributes to root resorption during orthodontic tooth movement. MATERIALS AND METHODS Atopic dermatitis model mice and wild-type mice were subjected to an excessive orthodontic force (OF) to induce movement of the upper first molars. The expression levels of the tartrate-resistant acid phosphatase (TRAP), IL-17, IL-6, and RANKL proteins were determined in the periodontal ligament (PDL) by an immunohistochemical analysis. Furthermore, the effects of the compression force on co-cultures of CD4(+) cells from AD patients or healthy individuals and human PDL cells were investigated with regard to the levels of secretion and mRNA expression of IL-17, IL-6, RANKL, and osteoprotegerin. RESULTS The immunoreactivities for TRAP, IL-17, IL-6, and RANKL in the AD group were found to be significantly increased. The double immunofluorescence analysis for IL-17/CD4 detected immunoreaction. The secretion of IL-17, IL-6, and RANKL, and the mRNA levels of IL-6 and RANKL in the AD patients were increased compared with those in healthy individuals. CONCLUSION Th17 cells may therefore be associated with the deterioration of root resorption of AD mice, and may explain why AD patients are more susceptible to root resorption than healthy individuals when an excessive OF is applied.
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Affiliation(s)
- K Yamada
- Department of Orthodontics, Nihon University School of Dentistry at Matsudo, Chiba, Japan
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Hashimoto M, Inaguma S, Kasai K, Kuwabara K, Noda N, Hayakawa M, Fujino M, Ito M, Ikeda H. Plasmablastic lymphoma of the stomach in an HIV-negative patient. Pathol Int 2012; 62:763-70. [DOI: 10.1111/pin.12005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Aoki Y, Kasai K, Yamasue H. Age-related change in brain metabolite abnormalities in autism: a meta-analysis of proton magnetic resonance spectroscopy studies. Transl Psychiatry 2012; 2:e69. [PMID: 22832731 PMCID: PMC3309540 DOI: 10.1038/tp.2011.65] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Accepted: 11/28/2011] [Indexed: 02/05/2023] Open
Abstract
Abnormal trajectory of brain development has been suggested by previous structural magnetic resonance imaging and head circumference findings in autism spectrum disorders (ASDs); however, the neurochemical backgrounds remain unclear. To elucidate neurochemical processes underlying aberrant brain growth in ASD, we conducted a comprehensive literature search and a meta-analysis of (1)H-magnetic resonance spectroscopy ((1)H-MRS) studies in ASD. From the 22 articles identified as satisfying the criteria, means and s.d. of measure of N-acetylaspartate (NAA), creatine, choline-containing compounds, myo-Inositol and glutamate+glutamine in frontal, temporal, parietal, amygdala-hippocampus complex, thalamus and cerebellum were extracted. Random effect model analyses showed significantly lower NAA levels in all the examined brain regions but cerebellum in ASD children compared with typically developed children (n=1295 at the maximum in frontal, P<0.05 Bonferroni-corrected), although there was no significant difference in metabolite levels in adulthood. Meta-regression analysis further revealed that the effect size of lower frontal NAA levels linearly declined with older mean age in ASD (n=844, P<0.05 Bonferroni-corrected). The significance of all frontal NAA findings was preserved after considering between-study heterogeneities (P<0.05 Bonferroni-corrected). This first meta-analysis of (1)H-MRS studies in ASD demonstrated robust developmental changes in the degree of abnormality in NAA levels, especially in frontal lobes of ASD. Previously reported larger-than-normal brain size in ASD children and the coincident lower-than-normal NAA levels suggest that early transient brain expansion in ASD is mainly caused by an increase in non-neuron tissues, such as glial cell proliferation.
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Affiliation(s)
- Y Aoki
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
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Hayashi N, Yamaguchi M, Nakajima R, Utsunomiya T, Yamamoto H, Kasai K. T-helper 17 cells mediate the osteo/odontoclastogenesis induced by excessive orthodontic forces. Oral Dis 2012; 18:375-88. [DOI: 10.1111/j.1601-0825.2011.01886.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Okada H, Iwamaru Y, Kakizaki M, Masujin K, Imamura M, Fukuda S, Matsuura Y, Shimizu Y, Kasai K, Mohri S, Yokoyama T. Properties of L-type bovine spongiform encephalopathy in intraspecies passages. Vet Pathol 2011; 49:819-23. [PMID: 22081134 DOI: 10.1177/0300985811427150] [Citation(s) in RCA: 10] [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: 11/15/2022]
Abstract
The origin and transmission routes of atypical bovine spongiform encephalopathy (BSE) remain unclear. To assess whether the biological and biochemical characteristics of atypical L-type BSE detected in Japanese cattle (BSE/JP24) are conserved during serial passages within a single host, 3 calves were inoculated intracerebrally with a brain homogenate prepared from first-passaged BSE/JP24-affected cattle. Detailed immunohistochemical and neuropathologic analysis of the brains of second-passaged animals, which had developed the disease and survived for an average of 16 months after inoculation, revealed distribution of spongiform changes and disease-associated prion protein (PrP(Sc)) throughout the brain. Although immunolabeled PrP(Sc) obtained from brain tissue was characterized by the presence of PrP plaques and diffuse synaptic granular accumulations, no stellate-type deposits were detected. Western blot analysis suggested no obvious differences in PrP(Sc) molecular mass or glycoform pattern in the brains of first- and second-passaged cattle. These findings suggest failures to identify differences in mean incubation period and biochemical and neuropathologic properties of the BSE/JP24 prion between the first and second passages in cattle.
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Affiliation(s)
- H Okada
- Prion Disease Research Center, National Institute of Animal Health, 3-1-5 Kan-nondai, Tsukuba, Ibaraki 305-0856, Japan.
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