1
|
Yamada K, Iwata K, Yoshimura Y, Ota H, Oki Y, Mitani Y, Oki Y, Yamada Y, Yamamoto A, Ono K, Honda A, Kitai T, Tachikawa R, Kohara N, Tomii K, Ishikawa A. Predicting the Readmission and Mortality in Older Patients Hospitalized with Pneumonia with Preadmission Frailty. J Frailty Aging 2023; 12:208-213. [PMID: 37493381 DOI: 10.14283/jfa.2022.36] [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: 07/27/2023]
Abstract
BACKGROUND In older people, frailty has been recognized as an important prognostic factor. However, only a few studies have focused on multidimensional frailty as a predictor of mortality and readmission among inpatients with pneumonia. OBJECTIVE The present study aimed to assess the association between preadmission frailty and clinical outcomes after the hospitalization of older patients with pneumonia. DESIGN Single-center, retrospective case-control study. SETTING Acute phase hospital at Kobe, Japan. PARTICIPANTS The present study included 654 consecutive older inpatients with pneumonia. MEASUREMENTS Frailty status before admission was assessed using total Kihon Checklist (KCL) score, which has been used as a self-administered questionnaire to assess comprehensive frailty, including physical, social, and cognitive status. The primary outcome was a composited 6-month mortality and readmission after discharge. RESULTS In total, 330 patients were analyzed (median age: 79 years, male: 70.4%, median total KCL score: 10 points), of which 68 were readmitted and 10 died within 6 months. After multivariate analysis, total KCL score was associated with a composited 6-month mortality and readmission (adjusted hazard ratio, 1.07; 95% confidence interval, 1.02-1.12; p = 0.006). The cutoff value for total KCL score determined by receiver operating characteristic curve analysis was 15 points (area under the curve = 0.610). The group with a total KCL score ≥ 15 points had significantly higher readmission or mortality rates than the groups with a total KCL score < 15 points (p < 0.001). CONCLUSIONS Preadmission frailty status in older patients with pneumonia was an independent risk factor for readmission and survival after hospitalization.
Collapse
Affiliation(s)
- K Yamada
- Kentaro Iwata, PT, MSc, Department of Rehabilitation, Kobe City Medical Center General Hospital, 2-1-1, Minatojimaminami, Chuo, Kobe 650-0047 Hyogo, Japan. Tel.: +81 78 302,
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
2
|
Asaka Y, Mitani Y, Ohta H, Nakazawa T, Fukutomi R, Kobayashi K, Kumagai M, Shinohara H, Yoshida M, Ando A, Yoshimura Y, Nakagawa M, Oishi Y, Mizushima M, Adachi H, Kaneshi Y, Morioka K, Seto Y, Shimabukuro R, Hirata M, Ikeda T, Ozawa M, Takeshima M, Manabe A, Takahashi T, Mishima K, Kikuchi M, Yoda H, Kusakawa I, Cho K. Preterm toddlers have low nighttime sleep quality and high daytime activity. Sci Rep 2022; 12:20032. [PMID: 36414705 PMCID: PMC9681750 DOI: 10.1038/s41598-022-24338-8] [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: 08/10/2021] [Accepted: 11/14/2022] [Indexed: 11/23/2022] Open
Abstract
A number of studies have been made on the sleep characteristics of children born preterm in an attempt to develop methods to address the sleep problems commonly observed among such children. However, the reported sleep characteristics from these studies vary depending on the observation methods used, i.e., actigraphy, polysomnography and questionnaire. In the current study, to obtain reliable data on the sleep characteristics of preterm-born children, we investigated the difference in sleep properties between 97 preterm and 97 term toddlers of approximately 1.5 years of age using actigraphy. Actigraphy units were attached to the toddlers' waists with an adjustable elastic belt for 7 consecutive days, and a child sleep diary was completed by their parents. In the study, we found that preterm toddlers had more nocturnal awakenings and more daytime activity, suggesting that preterm-born children may have a different process of sleep development in their early development.
Collapse
Affiliation(s)
- Yoko Asaka
- grid.260026.00000 0004 0372 555XDepartment of Maternal and Child Health Nursing, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, 514-8507 Japan
| | - Yusuke Mitani
- grid.9707.90000 0001 2308 3329Department of Pediatrics, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hidenobu Ohta
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan ,grid.416859.70000 0000 9832 2227Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi-Cho, Kodaira, Tokyo 187-8553 Japan ,Department of Psychiatry, Asai Hospital, 38-1 Togane, Chiba, 283-0062 Japan ,grid.251924.90000 0001 0725 8504Department of Occupational Therapy, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Takayo Nakazawa
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rika Fukutomi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Kyoko Kobayashi
- grid.419588.90000 0001 0318 6320Department of Pediatric Nursing, Graduate School of Nursing Science, St. Luke’s International University, 10-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-0044 Japan
| | - Mayuko Kumagai
- grid.251924.90000 0001 0725 8504Department of Nursing, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Hitomi Shinohara
- grid.462295.e0000 0004 0370 9568Graduate School of Nursing, Hyogo University, 2301 Shinzaike, Hiraoka-Cho, Kakogawa, 675-0195 Japan
| | - Michiko Yoshida
- grid.39158.360000 0001 2173 7691Department of Nursing, Faculty of Health Sciences, Hokkaido University, N12, W5, Kita-Ku, Sapporo, 060-0812 Japan
| | - Akiko Ando
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yuko Yoshimura
- grid.9707.90000 0001 2308 3329Institute of Human and Social Sciences, Kanazawa University, Kakuma-Machi, Kanazawa, 921-1192 Japan ,grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Machiko Nakagawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Yoshihisa Oishi
- grid.414929.30000 0004 1763 7921Department of Pediatrics, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-Ku, Tokyo, 150-8935 Japan
| | - Masato Mizushima
- Department of Neonatology, Sapporo City Hospital, N11, W13, Chuo-Ku, Sapporo, 060-8604 Japan
| | - Hiroyuki Adachi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Yosuke Kaneshi
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Keita Morioka
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Yoshitaka Seto
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Rinshu Shimabukuro
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.63906.3a0000 0004 0377 2305Department of General Pediatrics and Interdisciplinary Medicine, National Center for Child Health and Development, 2-10-1 Ohkura, Setagaya-Ku, Tokyo, 157-8535 Japan
| | - Michio Hirata
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan ,grid.411827.90000 0001 2230 656XDepartment of Child Studies, Faculty of Human Sciences and Design, Japan Women’s University, 2-8-1 Mejirodai, Bunkyo-Ku, Tokyo, 112-8681 Japan
| | - Takashi Ikeda
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Miwa Ozawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Masahiro Takeshima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Atsushi Manabe
- grid.39158.360000 0001 2173 7691Department of Pediatrics, Hokkaido University Graduate School of Medicine, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| | - Tsutomu Takahashi
- grid.251924.90000 0001 0725 8504Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543 Japan
| | - Kazuo Mishima
- grid.251924.90000 0001 0725 8504Department of Neuropsychiatry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543 Japan
| | - Mitsuru Kikuchi
- grid.9707.90000 0001 2308 3329Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan ,grid.9707.90000 0001 2308 3329Department of Psychiatry and Neurobiology, Kanazawa University, 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
| | - Hitoshi Yoda
- grid.452874.80000 0004 1771 2506Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-Nishi, Ota-Ku, Tokyo, 143-8541 Japan
| | - Isao Kusakawa
- grid.430395.8Department of Pediatrics, St. Luke’s International Hospital, 9-1 Akashi-Cho, Chuo-Ku, Tokyo, 104-8560 Japan
| | - Kazutoshi Cho
- grid.412167.70000 0004 0378 6088Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-Ku, Sapporo, 060-8638 Japan
| |
Collapse
|
3
|
Murayama Y, Kitasato L, Ishizue N, Suzuki M, Mitani Y, Saito D, Matsuura G, Sato T, Kobayashi S, Nakamura H, Oikawa J, Kishihara J, Fukaya H, Niwano S, Ako J. Evaluation of the direct protective effects of Canagliflozin on the Isoproterenol-induced cell injury in rat cardiomyocytes. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Sodium-glucose cotransporter-2 (SGLT2) inhibitors are agents that act by inhibiting glucose and sodium reabsorption in the proximal renal tubule which promotes urinary glucose excretion. More recently, significant benefit data of SGLT2 inhibitors in patients with heart failure, independent of the presence of type 2 diabetes has been reported. We have previously demonstrated that Canagliflozin (Cana), a SGLT2 inhibitor, reduced the ventricular effective refractory period in isoproterenol (ISP)-induced myocardial injury rat model accompanied with the suppression of reactive oxygen species and the elevation of ketone bodies, suggesting the effect of Cana on electrical cardiac remodeling. The direct effect of Cana to the cardiomyocytes and its underlying molecular mechanism was remained to be clarified. We therefore established an ISP-induced neonatal rat ventricular cardiomyocyte (NRVCM) in vitro model, pretreated with Cana and/or ketone bodies.
Methods
Primary NRVCM were isolated from Wistar rats, were pretreated by Cana with or without βOHB (the most abundant ketone body in circulation), followed by a stimulation of ISP (10μM). Cells without drug or ketone body pretreatment were used as control. We then analyzed its effect on cell viability, apoptosis, and mitochondrial membrane potential using MTT assay, TUNEL assay, and mitochondrial membrane potential assay, respectively. MTT assay was also performed with or without PI3k inhibitor, LY294002. The end-labeling of DNA fragmentation were labelled with FITC, followed by the nuclei counterstain with DAPI and were observed with confocal microscope. The apoptotic index was defined as the percentage of TUNEL positive cells / total nuclei.
Results
Cana rescued the reduction of NRVCM cell viability induced by ISP stimulation for 24 hours which was inhibited by LY294002 compared to cells without pretreatment. Interestingly, pretreatment of βOHB with or without Cana improved also the NRCVM cell viability whereas there was no significant difference between these two conditions or with cells treated with Cana only, suggesting the direct protective effect of Cana. In 48 hours of ISP stimulation, the apoptotic index intends to decrease in Cana and/or βOHB compared to cells without pretreatment (Figure 1). Although the mitochondrial function was maintained in Cana-pretreated cells compared to cells without pretreatment, there was no significant difference in βOHB-pretreated cells.
Conclusions
Cana has a direct protective effect on cardiomyocytes cell viability, apoptosis as well as the mitochondrial function impaired by ISP through the cell survival signaling PI3K/Akt pathway. This brings a new insight to the therapeutic target of cardiovascular disease.
Funding Acknowledgement
Type of funding sources: None.
Collapse
Affiliation(s)
- Y Murayama
- Kitasato University School of Medicine , Sagamihara , Japan
| | - L Kitasato
- Kitasato University School of Medicine , Sagamihara , Japan
| | - N Ishizue
- Kitasato University School of Medicine , Sagamihara , Japan
| | - M Suzuki
- Kitasato University School of Medicine , Sagamihara , Japan
| | - Y Mitani
- Kitasato University School of Medicine , Sagamihara , Japan
| | - D Saito
- Kitasato University School of Medicine , Sagamihara , Japan
| | - G Matsuura
- Kitasato University School of Medicine , Sagamihara , Japan
| | - T Sato
- Kitasato University School of Medicine , Sagamihara , Japan
| | - S Kobayashi
- Kitasato University School of Medicine , Sagamihara , Japan
| | - H Nakamura
- Kitasato University School of Medicine , Sagamihara , Japan
| | - J Oikawa
- Kitasato University School of Medicine , Sagamihara , Japan
| | - J Kishihara
- Kitasato University School of Medicine , Sagamihara , Japan
| | - H Fukaya
- Kitasato University School of Medicine , Sagamihara , Japan
| | - S Niwano
- Kitasato University School of Medicine , Sagamihara , Japan
| | - J Ako
- Kitasato University School of Medicine , Sagamihara , Japan
| |
Collapse
|
4
|
Ando A, Ohta H, Yoshimura Y, Nakagawa M, Asaka Y, Nakazawa T, Mitani Y, Oishi Y, Mizushima M, Adachi H, Kaneshi Y, Morioka K, Shimabukuro R, Hirata M, Ikeda T, Fukutomi R, Kobayashi K, Ozawa M, Takeshima M, Manabe A, Takahashi T, Mishima K, Kusakawa I, Yoda H, Kikuchi M, Cho K. Sleep maturation influences cognitive development of preterm toddlers. Sci Rep 2021; 11:15921. [PMID: 34354199 PMCID: PMC8342419 DOI: 10.1038/s41598-021-95495-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 07/27/2021] [Indexed: 11/28/2022] Open
Abstract
Our recent study on full-term toddlers demonstrated that daytime nap properties affect the distribution ratio between nap and nighttime sleep duration in total sleep time but does not affect the overall total amount of daily sleep time. However, there is still no clear scientific consensus as to whether the ratio between naps and nighttime sleep or just daily total sleep duration itself is more important for healthy child development. In the current study, to gain an answer to this question, we examined the relationship between the sleep properties and the cognitive development of toddlers born prematurely using actigraphy and the Kyoto scale of psychological development (KSPD) test. 101 premature toddlers of approximately 1.5 years of age were recruited for the study. Actigraphy units were attached to their waist with an adjustable elastic belt for 7 consecutive days and a child sleep diary was completed by their parents. In the study, we found no significant correlation between either nap or nighttime sleep duration and cognitive development of the preterm toddlers. In contrast, we found that stable daily wake time was significantly associated with better cognitive development, suggesting that sleep regulation may contribute to the brain maturation of preterm toddlers.
Collapse
Affiliation(s)
- Akiko Ando
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Hidenobu Ohta
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan. .,Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-higashi-cho, Kodaira, Tokyo, 187-8553, Japan. .,Department of Psychiatry, Asai Hospital, 38-1 Togane, Chiba, 283-0062, Japan.
| | - Yuko Yoshimura
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan.,Institute of Human and Social Sciences, Kanazawa University, Kakuma-machi, Kanazawa, 921-1192, Japan
| | - Machiko Nakagawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan.,Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan.,Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan
| | - Yoko Asaka
- Faculty of Health Sciences, Hokkaido University, N12, W5, Kita-ku, Sapporo, 060-0812, Japan
| | - Takayo Nakazawa
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Yoshihisa Oishi
- Department of Pediatrics, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-ku, Tokyo, 150-8935, Japan
| | - Masato Mizushima
- Department of Neonatology, Sapporo City General Hospital, N11, W13, Chuo-ku, Sapporo, 060-8604, Japan
| | - Hiroyuki Adachi
- Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Yosuke Kaneshi
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Keita Morioka
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Rinshu Shimabukuro
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Michio Hirata
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Takashi Ikeda
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Rika Fukutomi
- Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| | - Kyoko Kobayashi
- Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| | - Miwa Ozawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Masahiro Takeshima
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Atsushi Manabe
- Department of Pediatrics, Hokkaido University Graduate School of Medicine, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Tsutomu Takahashi
- Department of Pediatrics, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Kazuo Mishima
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Isao Kusakawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan.,Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| | - Hitoshi Yoda
- Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan
| | - Mitsuru Kikuchi
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Kazutoshi Cho
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| |
Collapse
|
5
|
Nakagawa M, Ohta H, Shimabukuro R, Asaka Y, Nakazawa T, Oishi Y, Hirata M, Ando A, Ikeda T, Yoshimura Y, Mitani Y, Kaneshi Y, Morioka K, Fukutomi R, Kobayashi K, Ozawa M, Takeshima M, Mishima K, Kikuchi M, Cho K, Yoda H, Kusakawa I. Daytime nap and nighttime breastfeeding are associated with toddlers' nighttime sleep. Sci Rep 2021; 11:3028. [PMID: 33542276 PMCID: PMC7862350 DOI: 10.1038/s41598-021-81970-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 01/14/2021] [Indexed: 11/23/2022] Open
Abstract
The purpose of the present study is to examine the association between toddlers' sleep arrangements and their nighttime sleep duration and other sleep variables. For this investigation, we performed a study in which child activity and sleep levels were recorded using actigraphy. The parents of 1.5-year-old toddlers (n = 106) were asked to attach an actigraphy unit to their child’s waist with an adjustable elastic belt and complete a sleep diary for 7 consecutive days. Questionnaires were used to assess the sleep arrangements of the toddlers. There was a significant negative correlation between nap duration and nighttime sleep duration, suggesting that longer nap sleep induces shorter nighttime sleep duration. Among the sleep arrangements, such as nighttime breastfeeding or co-sleeping, only nighttime breastfeeding predicted shorter nighttime sleep duration. Our findings indicate that shorter naps induce a longer nighttime sleep in 1.5-year-old toddlers while nighttime breastfeeding decreases their nighttime sleep duration.
Collapse
Affiliation(s)
- Machiko Nakagawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan.,Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan.,Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan
| | - Hidenobu Ohta
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan. .,Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-higashi-cho, Kodaira, Tokyo, 187-8553, Japan. .,Department of Psychiatry, Asai Hospital, 38-1 Togane, Chiba, 283-0062, Japan.
| | - Rinshu Shimabukuro
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Yoko Asaka
- Faculty of Health Sciences, Hokkaido University, N12, W5, Kita-ku, Sapporo, 060-0812, Japan
| | - Takayo Nakazawa
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Yoshihisa Oishi
- Department of Pediatrics, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya-ku, Tokyo, 150-8935, Japan
| | - Michio Hirata
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Akiko Ando
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Takashi Ikeda
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Yuko Yoshimura
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan.,Institute of Human and Social Sciences, Kanazawa University, Kakuma-machi, Kanazawa, 921-1192, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Yousuke Kaneshi
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Keita Morioka
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Rika Fukutomi
- Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| | - Kyoko Kobayashi
- Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| | - Miwa Ozawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan
| | - Masahiro Takeshima
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Kazuo Mishima
- Department of Neuropsychiatry, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, Akita, 010-8543, Japan
| | - Mitsuru Kikuchi
- Research Center for Child Mental Development, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Kazutoshi Cho
- Maternity and Perinatal Care Center, Hokkaido University Hospital, N15, W7, Kita-ku, Sapporo, 060-8638, Japan
| | - Hitoshi Yoda
- Department of Neonatology, Toho University Omori Medical Center, 6-11-1 Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan
| | - Isao Kusakawa
- Department of Pediatrics, St. Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, 104-8560, Japan.,Pediatric Nursing, Graduate School of Nursing Science, St. Luke's International University, 10-1 Akashi-cho, Chuo-ku, Tokyo, 104-0044, Japan
| |
Collapse
|
6
|
Sakai S, Nomura K, Tomida M, Hayashi K, Tsutsuno T, Mizushima H, Mitani Y. Strangulated ileus due to an ovarian cyst in a neonate. Journal of Pediatric Surgery Case Reports 2020. [DOI: 10.1016/j.epsc.2020.101531] [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: 11/15/2022] Open
|
7
|
Itai T, Miyatake S, Taguri M, Nozaki F, Ohta M, Osaka H, Morimoto M, Tandou T, Nohara F, Takami Y, Yoshioka F, Shimokawa S, Okuno-Yuguchi J, Motobayashi M, Takei Y, Fukuyama T, Kumada S, Miyata Y, Ogawa C, Maki Y, Togashi N, Ishikura T, Kinoshita M, Mitani Y, Kanemura Y, Omi T, Ando N, Hattori A, Saitoh S, Kitai Y, Hirai S, Arai H, Ishida F, Taniguchi H, Kitabatake Y, Ozono K, Nabatame S, Smigiel R, Kato M, Tanda K, Saito Y, Ishiyama A, Noguchi Y, Miura M, Nakano T, Hirano K, Honda R, Kuki I, Takanashi JI, Takeuchi A, Fukasawa T, Seiwa C, Harada A, Yachi Y, Higashiyama H, Terashima H, Kumagai T, Hada S, Abe Y, Miyagi E, Uchiyama Y, Fujita A, Imagawa E, Azuma Y, Hamanaka K, Koshimizu E, Mitsuhashi S, Mizuguchi T, Takata A, Miyake N, Tsurusaki Y, Doi H, Nakashima M, Saitsu H, Matsumoto N. Prenatal clinical manifestations in individuals with COL4A1/2 variants. J Med Genet 2020; 58:505-513. [PMID: 32732225 DOI: 10.1136/jmedgenet-2020-106896] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/13/2020] [Accepted: 06/08/2020] [Indexed: 01/16/2023]
Abstract
BACKGROUND Variants in the type IV collagen gene (COL4A1/2) cause early-onset cerebrovascular diseases. Most individuals are diagnosed postnatally, and the prenatal features of individuals with COL4A1/2 variants remain unclear. METHODS We examined COL4A1/2 in 218 individuals with suspected COL4A1/2-related brain defects. Among those arising from COL4A1/2 variants, we focused on individuals showing prenatal abnormal ultrasound findings and validated their prenatal and postnatal clinical features in detail. RESULTS Pathogenic COL4A1/2 variants were detected in 56 individuals (n=56/218, 25.7%) showing porencephaly (n=29), schizencephaly (n=12) and others (n=15). Thirty-four variants occurred de novo (n=34/56, 60.7%). Foetal information was available in 47 of 56 individuals, 32 of whom (n=32/47, 68.1%) had one or more foetal abnormalities. The median gestational age at the detection of initial prenatal abnormal features was 31 weeks of gestation. Only 14 individuals had specific prenatal findings that were strongly suggestive of features associated with COL4A1/2 variants. Foetal ventriculomegaly was the most common initial feature (n=20/32, 62.5%). Posterior fossa abnormalities, including Dandy-Walker malformation, were observed prenatally in four individuals. Regarding extrabrain features, foetal growth restriction was present in 16 individuals, including eight individuals with comorbid ventriculomegaly. CONCLUSIONS Prenatal observation of ventriculomegaly with comorbid foetal growth restriction should prompt a thorough ultrasound examination and COL4A1/2 gene testing should be considered when pathogenic variants are strongly suspected.
Collapse
Affiliation(s)
- Toshiyuki Itai
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Satoko Miyatake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan.,Clinical Genetics Department, Yokohama City University Hospital, Yokohama, Kanagawa, Japan
| | - Masataka Taguri
- Department of Data Science, Yokohama City University School of Data Science, Yokohama, Kanagawa, Japan
| | - Fumihito Nozaki
- Department of Pediatrics, Shiga Medical Center for Children, Moriyama, Shiga, Japan
| | - Masayasu Ohta
- Department of Pediatrics, JA Toride General Medical Center, Toride, Ibaraki, Japan
| | - Hitoshi Osaka
- Department of Pediatrics, Jichi Medical University, Shimotsuke, Tochigi, Japan
| | - Masafumi Morimoto
- Division of Pediatrics, Department of Medical Science, School of Nursing, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto, Japan
| | - Tomoko Tandou
- Department of Pediatrics, Yamanashi Prefectural Central Hospital, Kofu, Yamanashi, Japan
| | - Fumikatsu Nohara
- Department of Pediatrics, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Yuichi Takami
- Department of Pediatrics, Japanese Red Cross Society Himeji Hospital, Himeji, Hyogo, Japan
| | | | - Shoko Shimokawa
- Department of Neurosurgery, Saga University, Saga, Saga, Japan
| | - Jiu Okuno-Yuguchi
- Division of Neurology, Nagano Children's Hospital, Azumino, Nagano, Japan
| | - Mitsuo Motobayashi
- Division of Neurology, Nagano Children's Hospital, Azumino, Nagano, Japan
| | - Yuko Takei
- Division of Neurology, Nagano Children's Hospital, Azumino, Nagano, Japan
| | - Tetsuhiro Fukuyama
- Division of Neurology, Nagano Children's Hospital, Azumino, Nagano, Japan
| | - Satoko Kumada
- Department of Neuropediatrics, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
| | - Yohane Miyata
- Department of Neuropediatrics, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
| | - Chikako Ogawa
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Yuki Maki
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Noriko Togashi
- Department of Neurology, Miyagi Children's Hospital, Sendai, Miyagi, Japan
| | - Teruyuki Ishikura
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Makoto Kinoshita
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan
| | - Yonehiro Kanemura
- Department of Biomedical Research and Innovation, Institute for Clinical Research and Department of Neurosurgery, National Hospital Organization Osaka National Hospital, Osaka, Osaka, Japan
| | - Tsuyoshi Omi
- Department of Pediatrics, Okinawa Nanbu Medical Treatment and Education Center, Naha, Okinawa, Japan
| | - Naoki Ando
- Department of Pediatrics and Neonatology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Aichi, Japan
| | - Ayako Hattori
- Department of Pediatrics and Neonatology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Aichi, Japan
| | - Shinji Saitoh
- Department of Pediatrics and Neonatology, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Aichi, Japan
| | - Yukihiro Kitai
- Department of Pediatric Neurology, Bobath Memorial Hospital, Osaka, Osaka, Japan
| | - Satori Hirai
- Department of Pediatric Neurology, Bobath Memorial Hospital, Osaka, Osaka, Japan
| | - Hiroshi Arai
- Department of Pediatric Neurology, Bobath Memorial Hospital, Osaka, Osaka, Japan
| | - Fumihiko Ishida
- Perinatal Center for Maternity and Neonate, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan
| | - Hidetoshi Taniguchi
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yasuji Kitabatake
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Keiichi Ozono
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Shin Nabatame
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Robert Smigiel
- Department of Pediatrics and Rare Disorders, Wroclaw Medical University, Wroclaw, Poland
| | - Mitsuhiro Kato
- Department of Pediatrics, Showa University School of Medicine, Shinagawa-ku, Tokyo, Japan
| | - Koichi Tanda
- Department of Pediatrics, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Kyoto, Japan
| | - Yoshihiko Saito
- Department of Child Neurology, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Akihiko Ishiyama
- Department of Child Neurology, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
| | - Yushi Noguchi
- Division of Pediatrics and Perinatology, Tottori University Faculty of Medicine, Yonago, Tottori, Japan
| | - Mazumi Miura
- Division of Pediatrics and Perinatology, Tottori University Faculty of Medicine, Yonago, Tottori, Japan
| | - Takaaki Nakano
- Department of Neurosurgery, Akiyama Neurosurgical Hospital, Yokohama, Kanagawa, Japan
| | - Keiko Hirano
- Department of Pediatrics, Iwata City Hospital, Iwata, Shizuoka, Japan
| | - Ryoko Honda
- Department of Pediatrics, National Hospital Organisation Nagasaki Medical Center, Omura, Nagasaki, Japan
| | - Ichiro Kuki
- Department of Child Neurology, Osaka City General Hospital, Osaka, Osaka, Japan
| | - Jun-Ichi Takanashi
- Department of Pediatrics, Tokyo Women's Medical University Yachiyo Medical Center, Yachiyo, Chiba, Japan
| | - Akihito Takeuchi
- Division of Neonatology and Neuropediatrics, National Hospital Organization Okayama Medical Center, Okayama, Okayama, Japan
| | - Tatsuya Fukasawa
- Department of Pediatrics, Anjo Kosei Hospital, Anjo, Aichi, Japan
| | - Chizuru Seiwa
- Department of Pediatrics, Yamagata Prefectural Rehabilitation Center for Children with Disabilities, Kaminoyama, Yamagata, Japan
| | - Atsuko Harada
- Department of Pediatric Neurosurgery, Takatsuki General Hospital, Takatsuki, Osaka, Japan
| | - Yusuke Yachi
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Toyama, Japan
| | - Hiroyuki Higashiyama
- Department of Pediatrics, Toyama Prefectural Central Hospital, Toyama, Toyama, Japan
| | - Hiroshi Terashima
- Division of Neurology, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Tadayuki Kumagai
- Division of Neurology, National Center for Child Health and Development, Setagaya-ku, Tokyo, Japan
| | - Satoshi Hada
- Department of Neonatology, Hiroshima Prefectural Hospital, Hiroshima, Hiroshima, Japan
| | - Yoshiichi Abe
- Department of Pediatrics, Oita University Faculty Of Medicine, Yufu, Oita, Japan
| | - Etsuko Miyagi
- Department of Obstetrics and Gynecology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Yuri Uchiyama
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan.,Department of Oncology, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Atsushi Fujita
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Eri Imagawa
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Yoshiteru Azuma
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Kohei Hamanaka
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Eriko Koshimizu
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Satomi Mitsuhashi
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Takeshi Mizuguchi
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Atsushi Takata
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Noriko Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Yoshinori Tsurusaki
- Faculty of Nutritional Science, Sagami Women's University, Sagamihara, Kanagawa, Japan
| | - Hiroshi Doi
- Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| | - Mitsuko Nakashima
- Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Hirotomo Saitsu
- Department of Biochemistry, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Naomichi Matsumoto
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Kanagawa, Japan
| |
Collapse
|
8
|
Ferrarotto R, Mitani Y, Karpinets T, Frank S, Song X, Fan Y, Liu B, Bell D, Kupferman M, Futreal P, Zhang J, Heymach J, El-Naggar A. Integrative proteomic and transcriptomic analysis define adenoid cystic carcinoma subgroups with distinct therapeutic targets. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2019.11.095] [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]
|
9
|
Kimu S, Kawabata S, Akaza M, Sekihara K, Hoshino Y, Sasaki T, Watanabe T, Miyano Y, Sato S, Mitani Y, Yamaga T, Adachi Y, Okawa A. Visualization of neural activities in lumbar spine in response to the sciatic nerve stimulation by magnetoneurography. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1540] [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: 10/25/2022]
|
10
|
Hayami S, Matsuda K, Iwamoto H, Ueno M, Kawai M, Hirono S, Okada K, Miyazawa M, Tamura K, Mitani Y, Kitahata Y, Mizumoto Y, Yamaue H. Visualization and quantification of anastomotic perfusion in colorectal surgery using near-infrared fluorescence. Tech Coloproctol 2019; 23:973-980. [PMID: 31535238 DOI: 10.1007/s10151-019-02089-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 09/08/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Anastomotic leakage (AL) is one of the most troublesome complications in colorectal surgery. Recently, near-infrared fluorescence (NIRF) imaging has been used intraoperatively to detect sentinel lymph nodes and visualize the blood supply at the region of interest (ROI). The aim of this study was to evaluate the role of visualization and quantification of bowel perfusion around the anastomosis using NIRF system in predicting AL. METHODS A prospective study was conducted on patients who had laparoscopic surgery for colorectal cancer at our institution. Perfusion of the anastomosis was evaluated with NIRF imaging after intravenous injection of indocyanine green (ICG). The time course of fluorescence intensity was recorded by an imaging analyzer We measured the time from ICG injection to the beginning of fluorescence (T0), maximum intensity (Imax), time to reach Imax (Tmax), time to reach Imax 50% ([Formula: see text]) and slope (S) after the anastomosis. RESULTS Tumor locations were as follows; cecum: 2, ascending colon: 2, transverse colon: 7, descending colon: 1, sigmoid colon: 2, rectosigmoid colon: 3 and rectum: 6 (one case with synchronous cancer). All operations were performed laparoscopically. Four patients were diagnosed with or suspected to have AL (2 patients with grade B anastomotic leakage after low anterior resection, 1 patient with minor leakage in transverse colon resection and 1 patient needing re-anastomosis intraoperatively in transverse colon resection). T0 was significantly longer in the AL group than in patients without AL (64.3 ± 27.6 and 18.2 ± 6.6 s, p = 2.2 × 10-3). CONCLUSIONS Perfusion of the anastomosis could be successfully visualized and quantified using NIRF imaging with ICG. T0 might be a useful parameter for prediction of AL.
Collapse
Affiliation(s)
- S Hayami
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - K Matsuda
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - H Iwamoto
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - M Ueno
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - M Kawai
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - S Hirono
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - K Okada
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - M Miyazawa
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - K Tamura
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - Y Mitani
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - Y Kitahata
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - Y Mizumoto
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan
| | - Hiroki Yamaue
- Second Department of Surgery, School of Medicine, Wakayama Medical University, 811-1, Kimiidera, Wakayama, 641-8510, Japan.
| |
Collapse
|
11
|
Iizuka T, Ono M, Masumoto S, Mitani Y, Yamazaki R, Fujiwara H. Amniotic epithelial cells damage by oxidative stress in cases of diffuse chorioamniotic hemosiderosis. J Obstet Gynaecol Res 2019; 45:2095-2099. [PMID: 31381226 DOI: 10.1111/jog.14084] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 07/13/2019] [Indexed: 01/10/2023]
Abstract
The amniotic membrane plays an important role in the physiological maintenance and protection of the embryo. Indeed, dysfunction of the amniotic membrane is thought to have an adverse effect on the continuation of pregnancy. In this report, we examined the pathological changes in the amniotic epithelium in three cases of diffuse chorioamniotic hemosiderosis (DCH) and investigated the cause of necrosis of the amniotic epithelial cells and its relationship with oligohydramnios. Diffuse chorioamniotic hemosiderosis was confirmed in all three cases. More extensive amniotic epithelial necrosis led to more severe hemosiderosis. Immunostaining for 8-hydroxy-2'-deoxyguanosine, a marker of oxidative stress, was positive in the amniotic epithelial cells. We speculate that oxidative DNA damage of the amniotic epithelium occurs by decomposition products of blood cells in cases accompanying subchorionic hematomas and pathological DCH. Furthermore, disorder of the amniotic epithelium may disrupt the balance of the amniotic fluid volume and cause oligohydramnios.
Collapse
Affiliation(s)
- Takashi Iizuka
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Masanori Ono
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Sakiko Masumoto
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Rena Yamazaki
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynecology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| |
Collapse
|
12
|
Ishijima Y, Iizuka T, Kagami K, Masumoto S, Nakade K, Mitani Y, Niida Y, Watanabe A, Yamazaki R, Ono M, Fujiwara H. Prenatal diagnosis facilitated prompt enzyme replacement therapy for prenatal benign hypophosphatasia. J OBSTET GYNAECOL 2019; 40:132-134. [PMID: 31335231 DOI: 10.1080/01443615.2019.1606177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Yuka Ishijima
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takashi Iizuka
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kyosuke Kagami
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Sakiko Masumoto
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kyohei Nakade
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Yo Niida
- Center for Clinical Genomics, Kanazawa Medical University Hospital, Uchinada, Japan
| | - Atsushi Watanabe
- Clinical Genetics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Rena Yamazaki
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Masanori Ono
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynaecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| |
Collapse
|
13
|
Kondo I, Arai Y, Shioji S, Beppu H, Emi S, Mitani Y, Katagiri D, Tada M, Hinoshita F. MON-034 A case of frequent relapse minimal change nephrotic syndrome with steroid-induced psychiatric syndromes treated by a low-dose and short-term steroid therapy in combination with cyclosporine. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|
14
|
Suzuki T, Kagami K, Mitani Y, Yamazaki R, Ono M, Fujiwara H. Twin anemia‐polycythemia sequence with blood chimerism in monochorionic dizygotic opposite‐sex twins. J Obstet Gynaecol Res 2019; 45:1201-1204. [DOI: 10.1111/jog.13949] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/11/2019] [Indexed: 11/26/2022]
Affiliation(s)
- Takuma Suzuki
- Department of Obstetrics and Gynecology, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
- Department of Obstetrics and GynecologyToyama Prefectural Central Hospital Toyama Japan
| | - Kyosuke Kagami
- Department of Obstetrics and Gynecology, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
| | - Yusuke Mitani
- Department of Pediatrics, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
| | - Rena Yamazaki
- Department of Obstetrics and Gynecology, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
| | - Masanori Ono
- Department of Obstetrics and Gynecology, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynecology, Graduate School of Medical SciencesKanazawa University Ishikawa Japan
| |
Collapse
|
15
|
Akiyama T, Kubota T, Ozono K, Michigami T, Kobayashi D, Takeyari S, Sugiyama Y, Noda M, Harada D, Namba N, Suzuki A, Utoyama M, Kitanaka S, Uematsu M, Mitani Y, Matsunami K, Takishima S, Ogawa E, Kobayashi K. Pyridoxal 5'-phosphate and related metabolites in hypophosphatasia: Effects of enzyme replacement therapy. Mol Genet Metab 2018; 125:174-180. [PMID: 30049651 DOI: 10.1016/j.ymgme.2018.07.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [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: 03/21/2018] [Revised: 07/12/2018] [Accepted: 07/12/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVE To investigate the utility of serum pyridoxal 5'-phosphate (PLP), pyridoxal (PL), and 4-pyridoxic acid (PA) as a diagnostic marker of hypophosphatasia (HPP) and an indicator of the effect of, and patient compliance with, enzyme replacement therapy (ERT), we measured PLP, PL, and PA concentrations in serum samples from HPP patients with and without ERT. METHODS Blood samples were collected from HPP patients and serum was frozen as soon as possible (mostly within one hour). PLP, PL, and PA concentrations were analyzed using high-performance liquid chromatography with fluorescence detection after pre-column derivatization by semicarbazide. We investigated which metabolites are associated with clinical phenotypes and how these metabolites change with ERT. RESULTS Serum samples from 20 HPP patients were analyzed. The PLP-to-PL ratio and PLP concentration were elevated in all HPP patients. They correlated negatively with serum alkaline phosphatase (ALP) activity and showed higher values in more severe phenotypes (perinatal severe and infantile HPP) compared with other phenotypes. PL concentration was reduced only in perinatal severe HPP. ERT reduced the PLP-to-PL ratio to mildly reduced or low-normal levels and the PLP concentration was reduced to normal or mildly elevated levels. Urine phosphoethanolamine (PEA) concentration did not return to normal levels with ERT in most patients. CONCLUSIONS The serum PLP-to-PL ratio is a better indicator of the effect of ERT for HPP than serum PLP and urine PEA concentrations, and a PLP-to-PL ratio of <4.0 is a good indicator of the effect of, and patient compliance with, ERT.
Collapse
Affiliation(s)
- Tomoyuki Akiyama
- Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
| | - Takuo Kubota
- Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Keiichi Ozono
- Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Toshimi Michigami
- Department of Bone and Mineral Research, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Daisuke Kobayashi
- Department of Food and Chemical Toxicology, School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Hokkaido, Japan
| | - Shinji Takeyari
- Department of Pediatrics, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yuichiro Sugiyama
- Department of Pediatrics, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Masahiro Noda
- Department of Pediatrics, Showa General Hospital, Tokyo, Japan
| | - Daisuke Harada
- Department of Pediatrics, Osaka Hospital, Japan Community Healthcare Organization (JCHO), Osaka, Japan
| | - Noriyuki Namba
- Department of Pediatrics, Osaka Hospital, Japan Community Healthcare Organization (JCHO), Osaka, Japan
| | - Atsushi Suzuki
- Department of Neonatology and Pediatrics, Nagoya City University Graduate School of Medical Sciences, Aichi, Japan
| | - Maiko Utoyama
- Department of Pediatrics, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Sachiko Kitanaka
- Department of Pediatrics, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Mitsugu Uematsu
- Department of Pediatrics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University Hospital, Ishikawa, Japan
| | - Kunihiro Matsunami
- Department of Pediatrics, Gifu Prefectural General Medical Center, Gifu, Japan
| | | | - Erika Ogawa
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | - Katsuhiro Kobayashi
- Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| |
Collapse
|
16
|
Kayahashi K, Mizumoto Y, Myojo S, Mitani Y, Tajima A, Fujiwara H. A successful case of neoadjuvant chemotherapy and radical hysterectomy during pregnancy for advanced uterine cervical cancer accompanied by neonatal erythroderma. J Obstet Gynaecol Res 2018; 44:2003-2007. [PMID: 30043438 DOI: 10.1111/jog.13746] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 06/15/2018] [Indexed: 11/26/2022]
Abstract
Recent reports showed that neoadjuvant chemotherapy (NAC) has been successfully applied to treat advanced uterine cervical cancers during pregnancy. However, its side effects on the fetus remain unclear. Here, we report a 33-year-old primipara who underwent four courses of NAC therapy, paclitaxel and cisplatin, from 17 to 27 weeks of gestation due to uterine cervical cancer stage IB2. At 31 weeks of gestation, cesarean section and radical hysterectomy were performed, and a female baby weighing 1446 g was born. Although pre- and postnatal courses were uneventful, neonatal erythroderma over the entire body was observed just after delivery. The pathological diagnosis was ichthyosiform erythroderma, which was later demonstrated to be keratitis-ichthyosis-deafness syndrome, by exome sequencing analysis. Although her skin disorder was consistent with keratitis-ichthyosis-deafness syndrome, the skin condition gradually improved after delivery. These findings suggest that NAC therapy during pregnancy might cause or exacerbate systemic skin lesions in the fetus/neonate.
Collapse
Affiliation(s)
- Kayo Kayahashi
- Department of Obstetrics and Gynecology, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Yasunari Mizumoto
- Department of Obstetrics and Gynecology, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Subaru Myojo
- Department of Obstetrics and Gynecology, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Atsushi Tajima
- Department of Bioinformatics and Genomics, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynecology, Kanazawa University, Kanazawa, Ishikawa, Japan
| |
Collapse
|
17
|
Okada N, Sasaki A, Saito J, Mitani Y, Yachie A, Takahashi H, Matsubara S, Tenkumo C, Tanaka H, Hata T, Motomura K, Nagasawa J, Wada Y, Sako M, Yamaguchi K, Matsumoto K, Nakamura H, Sago H, Mizuta K. The Japanese experience and pharmacokinetics of antenatal maternal high-dose immunoglobulin treatment as a prophylaxis for neonatal hemochromatosis in siblings. J Matern Fetal Neonatal Med 2018; 33:142-148. [PMID: 29890876 DOI: 10.1080/14767058.2018.1487940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Background: Neonatal hemochromatosis (NH) is a rare but serious disease causing fulminant hepatic failure. The recurrence rate of NH in a subsequent infant of a mother with an affected infant is 70-90%. Recently, antenatal maternal high-dose intravenous immunoglobulin (IVIG) treatment has been reported to be effective for preventing NH recurrence. However, data on the IgG concentrations during this treatment are limited.Objective: We report a Japanese experience and present a pharmacokinetic simulation model of IgG during IVIG treatment.Methods: Women with histories of pregnancy diagnosed with NH were treated with IVIG weekly from the second trimester until the end of gestation. Serum IgG levels during treatment were collected frequently and pharmacokinetics were simulated by a two-compartment model.Results: Six women were included during eight pregnancies. None experienced severe adverse events. Three out of eight infants showed temporary liver dysfunction, but none required any treatment. A simulation study showed that the estimated trough and peak levels of IgG concentrations during IVIG were 2000-3000 and 4000-5000 mg/dl, respectively.Conclusion: This treatment prevented the recurrence of NH in siblings in Japanese women. We examined the details of serum IgG concentrations and introduced a new pharmacokinetic simulation model of IgG concentrations during IVIG treatment.
Collapse
Affiliation(s)
- Noriki Okada
- Department of Transplant Surgery, Jichi Medical University, Shimotsuke, Japan
| | - Aiko Sasaki
- Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Division of Obstetrics, Tokyo, Japan
| | - Jumpei Saito
- Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan
| | - Yusuke Mitani
- Perinatal Mother and Infant Care Center, Kanazawa University Hospital, Kanazawa, Japan
| | - Akihiro Yachie
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Hironori Takahashi
- Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Japan
| | - Shigeki Matsubara
- Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Japan
| | - Chiaki Tenkumo
- Department of Perinatology and Gynecology, Kagawa University Graduate School of Medicine, Miki, Japan
| | - Hirokazu Tanaka
- Department of Perinatology and Gynecology, Kagawa University Graduate School of Medicine, Miki, Japan
| | - Toshiyuki Hata
- Department of Perinatology and Gynecology, Kagawa University Graduate School of Medicine, Miki, Japan
| | - Kenichiro Motomura
- Department of Allergy and Clinical Immunology, National Center for Child Health and Development, Tokyo, Japan
| | - Junko Nagasawa
- Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Division of Obstetrics, Tokyo, Japan
| | - Yuka Wada
- Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Division of Obstetrics, Tokyo, Japan
| | - Mayumi Sako
- Division for Clinical Trials, Department of Clinical Research, Center for Clinical Research and Development, National Center for Child Health and Development, Tokyo, Japan
| | - Koshi Yamaguchi
- Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Division of Obstetrics, Tokyo, Japan
| | - Kenji Matsumoto
- Department of Allergy and Clinical Immunology, National Center for Child Health and Development, Tokyo, Japan
| | - Hidefumi Nakamura
- Department of Development Strategy, National Center for Child Health and Development, Tokyo, Japan
| | - Haruhiko Sago
- Center of Maternal-Fetal, Neonatal and Reproductive Medicine, National Center for Child Health and Development, Division of Obstetrics, Tokyo, Japan
| | - Koichi Mizuta
- Department of Transplant Surgery, Jichi Medical University, Shimotsuke, Japan
| |
Collapse
|
18
|
Ikawa Y, Nishimura R, Maeba H, Fujiki T, Kuroda R, Noguchi K, Fukuda M, Mase S, Araki R, Mitani Y, Sato T, Terui K, Ito E, Kitabayashi I, Yachie A. Deep spontaneous molecular remission in a patient with congenital acute myeloid leukemia expressing a novel MOZ-p300 fusion transcript. Leuk Lymphoma 2018; 59:2497-2499. [DOI: 10.1080/10428194.2018.1434885] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yasuhiro Ikawa
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Ryosei Nishimura
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Hideaki Maeba
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Toshihiro Fujiki
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Rie Kuroda
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Kazuhiro Noguchi
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Masaki Fukuda
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Shintaro Mase
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Raita Araki
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Tomohiko Sato
- Department of Pediatrics, Hirosaki University School of Medicine, Hirosaki, Aomori Prefecture, Japan
| | - Kiminori Terui
- Department of Pediatrics, Hirosaki University School of Medicine, Hirosaki, Aomori Prefecture, Japan
| | - Etsurou Ito
- Department of Pediatrics, Hirosaki University School of Medicine, Hirosaki, Aomori Prefecture, Japan
| | - Issay Kitabayashi
- Division of Hematological Malignancy, National Cancer Center Research Institute, Tokyo, Japan
| | - Akihiro Yachie
- Department of Pediatrics, School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa, Japan
| |
Collapse
|
19
|
Kajiyama Y, Mihara M, Mitani Y, Otomune H, Revankar G, Konaka K, Hattori N, Mochizuki H. Decreased front-tmporal connection is associated with face pareidolia in Parkinsonʼs disease. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2253] [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: 10/18/2022]
|
20
|
Niida Y, Mitani Y, Kuroda M, Yokoi A, Nakagawa H, Kato A. A Say-Barber-Biesecker-Young-Simpson variant of Ohdo syndrome with a KAT6B 10-base pair palindromic duplication: A recurrent mutation causing a severe phenotype mixed with genitopatellar syndrome. Congenit Anom (Kyoto) 2017; 57:86-88. [PMID: 27696664 DOI: 10.1111/cga.12196] [Citation(s) in RCA: 7] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 09/19/2016] [Accepted: 09/27/2016] [Indexed: 11/29/2022]
Abstract
The Say-Barber-Biesecker-Young-Simpson variant of Ohdo syndrome (SBBYSS) (MIM# 603736) and genitopatellar syndrome (GPS) (MIM#606170) are allelic diseases caused by KAT6B mutation. Genotype-phenotype correlation is assumed, but a few patients manifest overlapping features of both syndromes. Here we report the case of a boy with SBBYSS. He had a KAT6B mutation previously reported in typical SBBYSS, but he also manifested severe developmental delay, as well as genital features and laryngomalacia requiring tracheostomy that conformed to GPS.
Collapse
Affiliation(s)
- Yo Niida
- Division of Clinical Genetics, Multidisciplinary Medical Center, Kanazawa Medical University Hospital, Ishikawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Mondo Kuroda
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Ayano Yokoi
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Hiroyasu Nakagawa
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Akiko Kato
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| |
Collapse
|
21
|
Hotta T, Takifuji K, Yokoyama S, Matsuda K, Ieda J, Watanabe T, Tamura K, Mitani Y, Iwamoto H, Takei Y, Mizumoto Y, Tsumura A, Deguchi M, Yamaue H. Horizontal rectal transection using an endolinear stapler for laparoscopic low anterior resection. Tech Coloproctol 2017; 21:311-313. [DOI: 10.1007/s10151-017-1617-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 04/03/2017] [Indexed: 10/19/2022]
|
22
|
Niida Y, Yokoi A, Kuroda M, Mitani Y, Nakagawa H, Ozaki M. Reply to: Uniparental disomy of chromosome 1 unmasks recessive mutations of PPT1 in a boy with neuronal ceroid lipofuscinosis type 1. Brain Dev 2017; 39:184-185. [PMID: 27616753 DOI: 10.1016/j.braindev.2016.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 08/24/2016] [Accepted: 08/26/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Yo Niida
- Center for Medical Genetics, Kanazawa Medical University Hospital, Ishikawa, Japan.
| | - Ayano Yokoi
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Mondo Kuroda
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Hiroyasu Nakagawa
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Mamoru Ozaki
- Division of Genomic Medicine, Department of Advanced Medicine, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| |
Collapse
|
23
|
Niida Y, Yokoi A, Kuroda M, Mitani Y, Nakagawa H, Ozaki M. A girl with infantile neuronal ceroid lipofuscinosis caused by novel PPT1 mutation and paternal uniparental isodisomy of chromosome 1. Brain Dev 2016; 38:674-7. [PMID: 26846731 DOI: 10.1016/j.braindev.2016.01.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 01/07/2016] [Accepted: 01/13/2016] [Indexed: 01/20/2023]
Abstract
BACKGROUND Infantile neuronal ceroid lipofuscinosis (INCL) is an autosomal recessive disorder starting in infancy as early as 12-month-old, caused by PPT1 (palmitoyl-protein thioesterase 1) mutations, and characterized by progressive psychomotor deterioration, brain atrophy, myoclonic jerk and visual impairment. INCL can be diagnosed by brain magnetic resonance image (MRI) prior to rapid deterioration stage. To date, there is no INCL patient whose manifestation was caused by uniparental isodisomy (UPiD). PATIENT We reported a girl diagnosed with INCL. Genetic analysis revealed a novel PPT1 mutation c.20_47del28:p.Leu7Hisfs*21. Only the father of the patient was found as a carrier of this mutation. SNP array showed the mutation became homozygous by paternal UPiD of chromosome 1. DISCUSSION Although ICNL is a rare disease except in Finland, it is not difficult to diagnose it since the clinical symptoms and MRI findings are characteristic. Genetic testing is useful for definitive diagnosis, and distinction of UPiD is essential for genetic counseling.
Collapse
Affiliation(s)
- Yo Niida
- Center for Medical Genetics, Kanazawa Medical University Hospital, Ishikawa, Japan.
| | - Ayano Yokoi
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Mondo Kuroda
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Yusuke Mitani
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Hiroyasu Nakagawa
- Department of Pediatrics, Institute of Medical, Pharmaceutical and Health Sciences, School of Medicine, Kanazawa University, Ishikawa, Japan
| | - Mamoru Ozaki
- Division of Genomic Medicine, Department of Advanced Medicine, Medical Research Institute, Kanazawa Medical University, Ishikawa, Japan
| |
Collapse
|
24
|
Mitani Y, Usami E, Kimura M, Nakao T, Okada K, Matsuoka T, Kokuryou T, Yoshimura T, Yamakawa M. Risk factors for neutropenia with lenalidomide plus dexamethasone therapy for multiple myeloma. Pharmazie 2016; 71:349-351. [PMID: 27455556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Neutropenia may develop as an adverse event in patients with multiple myeloma receiving lenalidomide (LEN) plus dexamethasone (DEX) therapy. In the present study, we examined the risk factors associated with grade 3/4 neutropenia during the first cycle of LEN plus DEX therapy. We observed that hemoglobin level (≤ 8.5 g/dl) was a significant risk factor for grade 3/4 neutropenia during the first cycle of therapy (odds ratio: 19.40; 95% confidence interval: 2.68-141.00; p < 0.01). thus, our findings suggest that determining the hemoglobin level could be useful in the risk management for neutropenia in patients receiving LEN plus DEX therapy.
Collapse
|
25
|
Mitani Y. Sex differences in lower limb alignment, range of joint motion and sports injuries in university athletes in Japan. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1877] [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: 10/23/2022]
|
26
|
Matsuda K, Hotta T, Takifuji K, Yokoyama S, Oku Y, Watanabe T, Mitani Y, Ieda J, Mizumoto Y, Yamaue H. Randomized clinical trial of defaecatory function after anterior resection for rectal cancer with high versus low ligation of the inferior mesenteric artery. Br J Surg 2015; 102:501-8. [DOI: 10.1002/bjs.9739] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 10/10/2014] [Accepted: 11/10/2014] [Indexed: 12/11/2022]
Abstract
Abstract
Background
Defaecatory function is often poor after anterior resection. Denervation of the neorectum following high ligation of the inferior mesenteric artery (IMA) is a possible cause of impaired defaecatory function. The purpose of this randomized clinical trial was to clarify whether the level of ligation of the IMA in patients with rectal cancer affects defaecatory function.
Methods
Between 2008 and 2011, patients who underwent anterior resection for rectal cancer were randomized to receive either high or low ligation of the IMA. The primary endpoint was to demonstrate the superiority of low ligation in terms of defaecatory function.
Results
One hundred patients were enrolled in the study; 51 were randomized to high ligation of the IMA and 49 to low ligation. There were no differences between the groups in terms of clinical data, except tumour stage, which was more advanced in the high-ligation group (P = 0·046). Nor were there any differences in defaecatory function, self-assessment of defaecation, Faecal Incontinence Quality of Life scale or continence score between groups at 3 months and 1 year. The number of harvested lymph nodes was similar. The rate of symptomatic anastomotic leakage was 16 per cent in the high-ligation group and 10 per cent in the low-ligation group (P = 0·415).
Conclusion
The level of ligation of the IMA in patients with rectal cancer did not affect defaecatory function or the incidence of postoperative complications. Registration number: NCT00701012 (http://www.clinicaltrials.gov).
Collapse
Affiliation(s)
- K Matsuda
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - T Hotta
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - K Takifuji
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - S Yokoyama
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - Y Oku
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - T Watanabe
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - Y Mitani
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - J Ieda
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - Y Mizumoto
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| | - H Yamaue
- Second Department of Surgery, Wakayama Medical University, School of Medicine, 811-1, Kimiidera, Wakayama 641-8510, Japan
| |
Collapse
|
27
|
Niida Y, Ozaki M, Inoue M, Takase E, Kuroda M, Mitani Y, Okumura A, Yokoi A, Fujita S, Yamada K. CHIPS for genetic testing to improve a regional clinical genetic service. Clin Genet 2014; 88:155-60. [DOI: 10.1111/cge.12463] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2014] [Revised: 06/28/2014] [Accepted: 07/16/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Y. Niida
- Division of Genomic Medicine, Department of Advanced Medicine, Medical Research Institute; Kanazawa Medical University; Uchinada Japan
- Center for Medical Genetics; Kanazawa Medical University Hospital; Uchinada Japan
| | - M. Ozaki
- Division of Genomic Medicine, Department of Advanced Medicine, Medical Research Institute; Kanazawa Medical University; Uchinada Japan
- Center for Medical Genetics; Kanazawa Medical University Hospital; Uchinada Japan
| | - M. Inoue
- Department of Pediatrics; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
| | - E. Takase
- Center for Medical Genetics; Kanazawa Medical University Hospital; Uchinada Japan
| | - M. Kuroda
- Department of Pediatrics; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
| | - Y. Mitani
- Department of Pediatrics; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
| | - A. Okumura
- Department of Pediatrics; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
| | - A. Yokoi
- Department of Pediatrics; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
| | - S. Fujita
- Department of Pediatrics; Toyama Prefectural Central Hospital; Toyama Japan
| | - K. Yamada
- Department of Pediatrics; Tonami General Hospital; Toyama Japan
| |
Collapse
|
28
|
Niida Y, Kuroda M, Mitani Y, Okumura A, Yokoi A. Applying and testing the conveniently optimized enzyme mismatch cleavage method to clinical DNA diagnosis. Mol Genet Metab 2012; 107:580-5. [PMID: 23022073 DOI: 10.1016/j.ymgme.2012.09.008] [Citation(s) in RCA: 12] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Revised: 09/03/2012] [Accepted: 09/03/2012] [Indexed: 10/27/2022]
Abstract
Establishing a simple and effective mutation screening method is one of the most compelling problems with applying genetic diagnosis to clinical use. Because there is no reliable and inexpensive screening system, amplifying by PCR and performing direct sequencing of every coding exon is the gold standard strategy even today. However, this approach is expensive and time consuming, especially when gene size or sample number is large. Previously, we developed CEL nuclease mediated heteroduplex incision with polyacrylamide gel electrophoresis and silver staining (CHIPS) as an ideal simple mutation screening system constructed with only conventional apparatuses and commercially available reagents. In this study, we evaluated the utility of CHIPS technology for genetic diagnosis in clinical practice by applying this system to screening for the COL2A1, WRN and RPS6KA3 mutations in newly diagnosed patients with Stickler syndrome (autosomal dominant inheritance), Werner syndrome (autosomal recessive inheritance) and Coffin-Lowry syndrome (X-linked inheritance), respectively. In all three genes, CHIPS detected all DNA variations including disease causative mutations within a day. Direct sequencing of all coding exons of these genes confirmed 100% sensitivity and specificity. We demonstrate high sensitivity, high cost performance and reliability of this simple system, with compatibility to all inheritance modes. Because of its low technology, CHIPS is ready to use and potentially disseminate to any laboratories in the world.
Collapse
Affiliation(s)
- Yo Niida
- Research Center for Child Mental Development, Kanazawa University, Ishikawa, Japan.
| | | | | | | | | |
Collapse
|
29
|
Nakajima H, Ishikawa Y, Mitani Y, Ohno Y, Furuya M, Horiguchi J, Sano T, Oyama T. 265 Dual Color in Situ Hybridization and Mutational Analysis of Triple Negative Breast Cancer with EGFR Protein Overexpression. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)70332-5] [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: 10/28/2022]
|
30
|
Inoue Y, Mori T, Toyoda Y, Sakurai A, Ishikawa T, Mitani Y, Hayashizaki Y, Yoshimura Y, Kurahashi H, Sakai Y. Correlation of axillary osmidrosis to a SNP in the ABCC11 gene determined by the Smart Amplification Process (SmartAmp) method. J Plast Reconstr Aesthet Surg 2010; 63:1369-74. [DOI: 10.1016/j.bjps.2009.06.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2008] [Revised: 06/11/2009] [Accepted: 06/18/2009] [Indexed: 10/20/2022]
|
31
|
Mitani Y, Oue N, Matsumura S, Yoshida K, Noguchi T, Ito M, Tanaka S, Kuniyasu H, Kamata N, Yasui W. Reg IV is a serum biomarker for gastric cancer patients and predicts response to 5-fluorouracil-based chemotherapy. Oncogene 2007; 26:4383-93. [PMID: 17237819 DOI: 10.1038/sj.onc.1210215] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Regenerating gene family, member 4 (Reg IV), a secreted protein, is overexpressed in several cancers, including gastric cancer (GC). In the present study, we measured Reg IV levels in sera from patients with GC by enzyme-linked immunosorbent assay. We also examined the effect of forced Reg IV expression on the apoptotic susceptibility to 5-fluorouracil (5-FU). Forced expression of Reg IV inhibited 5-FU-induced apoptosis. Induction of Bcl-2 and dihydropyrimidine dehydrogenase was involved in inhibition of apoptosis. Among 36 GC patients treated with a combination chemotherapy of low-dose 5-FU and cisplatin, all 14 Reg IV-positive patients showed no change or disease progression. The serum Reg IV concentration was similar between healthy individuals (mean+/-s.e., 0.52+/-0.05 ng/ml) and patients with chronic-active gastritis (0.36+/-0.09 ng/ml). However, the serum Reg IV concentration in presurgical GC patients was significantly elevated (1.96+/-0.17 ng/ml), even at stage I. The diagnostic sensitivity of serum Reg IV (36.1%) was superior to that of serum carcinoembryonic antigen (11.5%) or carbohydrate antigen 19-9 (13.1%). These results indicate that expression of Reg IV is a marker for prediction of resistance to 5-FU-based chemotherapy in patients with GC. Serum Reg IV represents a novel biomarker for GC.
Collapse
Affiliation(s)
- Y Mitani
- Department of Molecular Pathology, Hiroshima University, Graduate School of Biomedical Sciences, Hiroshima, Japan
| | | | | | | | | | | | | | | | | | | |
Collapse
|
32
|
|
33
|
Sanada Y, Oue N, Mitani Y, Yoshida K, Nakayama H, Yasui W. Down-regulation of the claudin-18 gene, identified through serial analysis of gene expression data analysis, in gastric cancer with an intestinal phenotype. J Pathol 2006; 208:633-42. [PMID: 16435283 DOI: 10.1002/path.1922] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Gastric cancer (GC) is one of the most common malignancies worldwide. Genes whose expression is down-regulated in GC may be tumour suppressor genes. In the present study, genes with decreased expression in GC were screened for by serial analysis of gene expression (SAGE) data analysis and reverse transcription (RT)-polymerase chain reaction (PCR), and CLDN18 (encoding claudin-18) was identified. Quantitative RT-PCR revealed that expression of CLDN18 was down-regulated in 13 (56.5%) of 23 GCs. Immunostaining showed that normal gastric mucosa and Paneth cells of the duodenum expressed claudin-18 on cell membranes. Expression of claudin-18 was reduced in several intestinal metaplasias of the stomach. Of 20 samples of gastric adenoma, 18 (90.0%) showed decreased claudin-18 expression. Down-regulation of claudin-18 was observed in 84 of 146 GCs (57.5%) and correlated with poor survival in 65 advanced GCs (p = 0.0346). In addition, expression of the gastric and intestinal phenotypes of GC was examined by immunostaining for MUC5AC, MUC6, MUC2, and CD10. Of 38 GCs showing only the intestinal phenotype, down-regulation of claudin-18 was observed in 28 (73.7%), whereas in the remaining 108 GC cases, down-regulation of claudin-18 was observed in 56 (51.9%) (p = 0.0224). These results indicate that claudin-18 is a good marker of poor survival in GC. Down-regulation of claudin-18 may be involved in GCs with an intestinal phenotype, and may be an early event in gastric carcinogenesis.
Collapse
Affiliation(s)
- Y Sanada
- Department of Molecular Pathology, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, 734-8551, Japan
| | | | | | | | | | | |
Collapse
|
34
|
Aung PP, Oue N, Mitani Y, Nakayama H, Yoshida K, Noguchi T, Bosserhoff AK, Yasui W. Systematic search for gastric cancer-specific genes based on SAGE data: melanoma inhibitory activity and matrix metalloproteinase-10 are novel prognostic factors in patients with gastric cancer. Oncogene 2005; 25:2546-57. [PMID: 16331256 DOI: 10.1038/sj.onc.1209279] [Citation(s) in RCA: 126] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Gastric cancer (GC) is one of the most common malignancies worldwide. Genes expressed only in cancer tissue will be useful molecular markers for diagnosis and may also be good therapeutic targets. However, little is known about cancer-specific genes, at least in GC. In this study, we searched for GC-specific genes by serial analysis of gene expression (SAGE) data analysis and quantitative reverse transcription (RT)-PCR. Comparing GC SAGE libraries with those of various normal tissues in the SAGEmap database, we identified 54 candidate GC-specific genes. Quantitative RT-PCR analysis of these candidates revealed that APin protein (APIN), taxol resistance-associated gene 3 (TRAG3), cytochrome P450, family 2, subfamily W, polypeptide 1 (CYP2W1), melanoma inhibitory activity (MIA), matrix metalloproteinase-10 (MMP-10), dickkopf homolog 4 (DKK4), GW112, regenerating islet-derived family, member 4 (REGIV), and HORMA domain-containing 1 (HORMAD1) were expressed much more highly in GC than in 14 kinds of normal tissues. Immunohistochemical staining for MIA, MMP-10, and DKK4 was found in 47 (31.1%), 68 (45.0%), and two (1.3%) of 151 GCs, respectively, and staining for both MIA and MMP-10 was correlated with poor prognosis in advanced GC (P=0.0001 and 0.0141, respectively). Moreover, enzyme-linked immunosorbent assay showed high levels of MMP-10 (65/69, 94.2%) in serum samples from patients with GC. Levels of MIA were raised in a small proportion of serum samples from patients with GC (4/69, 5.8%). In Boyden chamber invasion assays, MIA-transfected GC cells were up to three times more invasive than cells transfected with empty vector. Taken together, these results suggest that MMP-10 is a good marker for the detection of GC and that MIA and MMP-10 are prognostic factors for GC. As expression of MIA and MMP-10 is narrowly restricted in cancer, these two molecules may be good therapeutic targets for GC.
Collapse
Affiliation(s)
- P P Aung
- Department of Molecular Pathology, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, Japan
| | | | | | | | | | | | | | | |
Collapse
|
35
|
Bevrani H, Mitani Y, Tsuji K. Robust decentralised load-frequency control using an iterative linear matrix inequalities algorithm. ACTA ACUST UNITED AC 2004. [DOI: 10.1049/ip-gtd:20040493] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
36
|
Jiang BH, Maruyama J, Yokochi A, Amano H, Mitani Y, Maruyama K. Correlation of inhaled nitric-oxide induced reduction of pulmonary artery pressure and vascular changes. Eur Respir J 2002; 20:52-8. [PMID: 12166581 DOI: 10.1183/09031936.02.00249302] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The purpose of the present study was to determine the relationship between hypertensive pulmonary vascular remodelling and the changes in mean pulmonary artery pressure (mPAP) during low-dose nitric oxide (NO) inhalation. Rats were exposed to chronic hypobaric hypoxia (air at 50.5 kPa (380 mmHg), 10% oxygen, for 5-29 days) to induce chronic pulmonary hypertension (PH) with pulmonary vascular structural changes. After the chronic hypoxic exposure, the rats had an indwelling pulmonary artery catheter inserted and changes in mPAP with NO were correlated to morphometrical analysis of pulmonary vascular changes. All concentrations of inhaled NO (0.1-2.0 parts per million) reduced mPAP with a similar per cent reduction from baseline mPAP in PH rats, while no changes were observed in control rats. During NO inhalation in PH rats, the absolute value of the decrease in mPAP, but not per cent reduction in mPAP, significantly correlated with baseline mPAP, the percentage of muscularised arteries at the alveolar wall level and at the alveolar duct level, and the per cent medial wall thickness of muscularised arteries. In the chronic hypoxic pulmonary hypertension model, the severity of pulmonary vascular remodelling did not alter the reactivity of the pulmonary arteries to nitric oxide and might, in part, determine the magnitude of nitric-oxide induced absolute reduction in mean pulmonary artery pressure.
Collapse
Affiliation(s)
- B H Jiang
- Dept of Anaesthesiology, Faculty of Medicine, University of Mie, Tsu, Japan
| | | | | | | | | | | |
Collapse
|
37
|
Shimpo H, Shimamoto A, Sawamura Y, Fujinaga K, Kanemitsu S, Onoda K, Takao M, Mitani Y, Yada I. Ultrafiltration of the priming blood before cardiopulmonary bypass attenuates inflammatory response and improves postoperative clinical course in pediatric patients. Shock 2002; 16 Suppl 1:51-4. [PMID: 11770034 DOI: 10.1097/00024382-200116001-00010] [Citation(s) in RCA: 21] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The priming solution using in cardiopulmonary bypass (CPB) for infants undergoing cardiac surgery includes considerable amounts of stored blood. Our objective was to test the hypothesis that ultrafiltration (UF) of the stored blood before CPB reduces the unfavorable effects of stored blood and the production of inflammatory cytokines. Fifty pediatric patients with congenital heart defects took part in this study. The patients were randomly divided into two groups: the UF (27 pediatric patients who received UF) and control (23 pediatric patients who did not receive UF) groups. UF was performed with a polysulphone ultrafiltrator before CPB. Blood samples were collected immediately before, during, and 1 h after CPB. The levels of cytokines (TNF-alpha, IL-1beta, IL-8), NH3, and bradykinin were determined. The serum concentrations of NH3 and bradykinin decreased significantly after UF. Compared with the control group, the UF group had significantly lower cytokine production. Water balance in UF group was better than that of control group. The UF group received significantly less inotropic support and shorter duration of ventilator support and ICU stay. We conclude that removal of bradykinin and a decrease in the levels of NH3, potassium, and pH play a significant role in reducing water retention and postoperative lung injury. UF of the blood used to prime the circuit for CPB is a safe and efficient method for use in open heart surgery in small pediatric patients.
Collapse
Affiliation(s)
- H Shimpo
- Department of Thoracic and Cardiovascular Surgery, Hokkaido University School of Medicine, Mie University School of Medicine, Japan
| | | | | | | | | | | | | | | | | |
Collapse
|
38
|
Hara T, Mitani Y, Tanaka K, Uematsu N, Takakura A, Tachi T, Kodama H, Kondo M, Mori H, Otaka A, Nobutaka F, Matsuzaki K. Heterodimer formation between the antimicrobial peptides magainin 2 and PGLa in lipid bilayers: a cross-linking study. Biochemistry 2001; 40:12395-9. [PMID: 11591159 DOI: 10.1021/bi011413v] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The antimicrobial peptides magainin 2 and PGLa, isolated from the skin of the African clawed frog Xenopus laevis, show marked synergism [Westerhoff, H. V., Zasloff, M., Rosner, J. L., Hendler, R. W., de Waal, A., Vaz Gomes, A., Jongsma, A. P. M., Riethorst, A., and Juretic, D. (1995) Eur. J. Biochem. 228, 257-264]. We suggested previously that these peptides form a potent heterodimer composed of either parallel or antiparallel helices in membranes [Matsuzaki, K., Mitani, Y., Akada, K., Murase, O., Yoneyama, S., Zasloff, M., and Miyajima, K. (1998) Biochemistry 37, 15144-15153]. To detect the putative heterodimer by chemical cross-linking, analogues of magainin 2 and PGLa with a Cys residue at either terminus were synthesized. These cross-linking experiments suggested that both peptides form a parallel heterodimer in membranes composed of phosphatidylglycerol/phosphatidylcholine but not in either buffer or a helix-promoting 2,2,2-trifluoroethanol/buffer mixture. The isolated parallel heterodimers exhibited an order of magnitude higher membrane permeabilization activity compared with the monomeric species, indicating that the observed synergism is due to heterodimer formation.
Collapse
Affiliation(s)
- T Hara
- Department of Chemistry, Faculty of Science and Engineering, Saga University, Saga 840-8502, Japan
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
39
|
Abstract
The Tbx6 T-box genes are expressed in somite precursor cells of vertebrate embryos and are essential for the differentiation of paraxial mesoderm. However, it is unclear how spatial regulation of the gene expression is controlled and how the genes function to promote muscle differentiation. The Tbx6-related gene As-T2 of the ascidian Halocynthia roretzi is first expressed very transiently in endodermal cells around the 32-∼44-cell stage, is then expressed distinctly and continuously in muscle precursor cells, and later in epidermal cells situated in the distal tip region of the elongating tail. We now show that inhibition of As-T2-mediated transcriptional activation by microinjection of As-T2/EnR into one-cell embryos resulted in suppression of the expression of the muscle-specific actin gene (HrMA4) and myosin heavy chain gene (HrMHC), but the injection did not affect the differentiation of endodermal cells or tail tip cells, suggesting that the primary function of As-T2 is associated with muscle cell differentiation. The 5′ flanking region of As-T2 contains two promoter modules that regulate its specific expression: a distal module that responsible for its specific expression in the tail, and a proximal module required for its muscle-specific expression. Around the proximal module, there are two putative T protein-binding motifs (TTCACACTT). Co-injection of an As-T2/lacZ construct with or without the T-binding motifs together with As-T2 mRNA revealed that these motifs are essential for autoregulatory activation of the gene itself. In addition, we found that the minimal promoter regions of HrMA4 and HrMHC contain T-binding motifs. Co-injection of HrMA4/lacZ or HrMHC/lacZ containing the T-binding motifs along with As-T2 mRNA revealed that As-T2 protein binds to these motifs to upregulate the gene activity. Taking into account the recent finding of maternal molecules for muscle differentiation, we propose a model for a genetic cascade that includes As-T2 as a regulator of muscle cell differentiation in the ascidian embryo.
Collapse
Affiliation(s)
- Y Mitani
- Department of Zoology, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | | | | |
Collapse
|
40
|
Kita M, Mitani Y, Tanihata H, Kita K, Sato M, Takizawa O, Laub G. Moving-table reduced-dose gadolinium-enhanced three-dimensional magnetic resonance angiography: velocity-dependent method with three-phase gadolinium infusion. J Magn Reson Imaging 2001; 14:319-28. [PMID: 11536410 DOI: 10.1002/jmri.1189] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The purpose of this study was to develop a method for reducing gadolinium dose and suppressing venous overlap in moving-table three-dimensional (3D) magnetic resonance (MR) angiography from the abdomen to the feet. Thirty-one patients underwent three-phase infusion of 16-18 mL of gadolinium: infusion rates and imaging times were determined after taking into account mean blood flow velocity, so that image acquisition was synchronized with peak arterial enhancement at both the first and third stations (velocity-dependent method). Twenty-three other patients underwent slow infusion of 38 mL of gadolinium with fixed acquisition time (high-dose method). The image quality for the two methods was compared. The velocity-dependent method produced good image quality with significantly less venous overlap than the high-dose method, especially in the below-the-knee region (P <.001). The velocity-dependent method provides satisfactory MR angiograms using 16-18 mL of gadolinium in patients having various blood flow velocities.
Collapse
Affiliation(s)
- M Kita
- Department of Radiology, Seichokai Fuchu Hospital, 1-10-17 Hikocho, Izumi City, Osaka 594-0076, Japan.
| | | | | | | | | | | | | |
Collapse
|
41
|
Mitani Y, Takaoka A, Kim SH, Kato Y, Yokochi T, Tanaka N, Taniguchi T. Cross talk of the interferon-alpha/beta signalling complex with gp130 for effective interleukin-6 signalling. Genes Cells 2001; 6:631-40. [PMID: 11473581 DOI: 10.1046/j.1365-2443.2001.00448.x] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Signalling cross talk provides a molecular basis for modulating a given signalling pathway by another, and it is often critical for regulating cellular responses elicited by cytokines. Previously, we reported on the critical role of the IFN-alpha/beta signalling complex, generated by spontaneously produced IFN-alpha/beta, in efficient IFN-gamma signalling. RESULTS In the present study, we have demonstrated that the IFN-alpha/beta signalling complex also contributes to efficient IL-6 signalling. In fact, IL-6-induced activation of the Stat1 and Stat3 transcription factors is markedly diminished in the absence of the IFN-alpha/beta signalling complex. The induction of several target genes for these factors is also diminished, both in vitro and in vivo. We provide evidence that the cytoplasmic tyrosine residues of IFNAR-1, which remains phosphorylated by a weak IFN-alpha/beta stimulation, provide docking sites for Stat1 and Stat3 to form homo- or heterodimers following IL-6 stimulation. Furthermore, a chemical cross-linking experiment revealed that IFNAR-1 and gp130, a common signal transducer for the IL-6 family of cytokines, exist in close proximity. CONCLUSIONS The constitutive weak IFN-alpha/beta signal provides a foundation for strong cellular responses to IL-6, IFN-gamma, and possibly other cytokines. Our results also suggest the assembly of cytokine receptor subunits, which may represent a 'receptosome'-like structure, allowing the unique signalling cross talks to occur.
Collapse
Affiliation(s)
- Y Mitani
- Department of Immunology, Graduate School of Medicine and Faculty of Medicine, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | | | | | | | | | | | | |
Collapse
|
42
|
Abstract
The present studies deal with polymorphonuclear neutrophil (PMN) adhesion inhibitory properties of cartilage surface proteoglycans. Normal human PMN were used in adhesion experiments with bovine cartilage surfaces exposed to neutrophil elastase and reconstituted with fibronectin (Fn) or on plastic-bound Fn. An extract of cartilage surface small proteoglycans (SE) and purified fibromodulin (FM), decorin (DCN), biglycan (BGN), and aggrecan (AGN) on the surface of normal cartilage were used to test for inhibition of Fn-dependent cell adhesion. The PMN did not adhere to intact articular cartilage surfaces, whereas significant adhesion was measured using cartilage explants digested with elastase and reconstituted with Fn. Incubation of elastase-treated, Fn-reconstituted cartilage with 45 microg/ml SE inhibited PMN adhesion by 50.7 +/- 5.8% (P < 0.0001). Addition of 50 microg/ml purified FM to the reconstituted articular surfaces inhibited cell adhesion by 71.2 +/- 13.9% (P < 0.0001). Inhibition of PMN adhesion to plastic-bound Fn was seen with 1.7 microg/ml SE (20.4 +/- 8.0%). Maximal inhibition of 67.4 +/- 14.8% (P < 0.01) was obtained with 17.0 microg/ml SE. With FM, concentrations of 4.3 microg/ml resulted in 34.7 25.2 inhibition (P < 0.001), and maximal inhibition of 66.3 16.2% (P < 0.01) was obtained with 43.0 microg/ml. Similar results were obtained with purified bovine DCN and BGN. The main component of cartilage matrix, AGN, failed to inhibit cell adhesion significantly. The results indicate that macromolecules normally present on articular cartilage surfaces act as a barrier to PMN adhesion. Since cartilage surface proteins are susceptible to breakdown by proteases from synovial fluid inflammatory cells, we postulate that the degradation of this barrier may be responsible for increasing PMN adhesion and subsequent cartilage damage in inflammatory arthritis.
Collapse
Affiliation(s)
- Y Mitani
- Theresa Scheu Rheumatoid Arthritis Research Laboratory, Little Rock, AR 72205, USA
| | | | | |
Collapse
|
43
|
Abstract
Primary pulmonary hypertension (PPH) is associated with specific structural alterations, including cellular intimal thickening, intimal fibrosis, and plexiform lesions. To determine the phenotypes of smooth muscle cells (SMCs) in such lesions, the authors conducted an immunohistochemical analysis of lung tissues from two patients with PPH, using two antimuscle actin antibodies, HHF35 and CGA7, and two anti-SMC myosin heavy chain markers, anti-SM1 and anti-SM2 antibodies and related antibodies. Cells that stained positive (+) with HHF35, CGA7, anti-SM1, and anti-SM2 were considered to be SMCs of a mature state. Conversely, those that stained positive with HHF35 and anti-SM1, but weakly positive (+/-) or negative (-) with CGA7 and anti-SM2, were considered to be SMCs exhibiting an immature state. Cellular intimal thickening was composed of SMCs of an immature phenotype (HHF35+, CGA7+/-, SM1+, SM2+/-), accompanied by the expression of fibronectin and the presence of macrophages; intimal fibrosis contained mature SMCs (HHF35+, CGA7+, SM1+, SM2+); and plexiform lesion consisted of proliferative endothelial cells (von Willebrand factor-positive cells, proliferating cell nuclear antigen-positive cells) and underlying immature SMCs (HHF35+, CGA7-, SM1+, SM2-) associated with fibronectin expression and macrophage infiltration. These findings suggest that smooth muscle cells with specific phenotypes may contribute to the development of specific vascular lesions in primary pulmonary hypertension.
Collapse
Affiliation(s)
- Y Mitani
- Dept of Pediatrics, Mie University School of Medicine, Tsu, Japan
| | | | | | | | | | | | | |
Collapse
|
44
|
Abstract
The pathophysiology of the patulous eustachian tube (PET) remains unclear. The degree of mastoid cell pneumatization is considered an indicator of chronic inflammation of the middle ear. We used the mastoid cell area to investigate the relationship between past chronic inflammation of the middle ear cavity and a PET in 84 patients (20 to 83 years old). The mastoid cell size was calculated from radiographs and analyzed relative to the history of otitis media (OM). The controls were 100 normal ears. The patients' mastoid cell size was significantly suppressed versus that of the controls, in both 31 PET cases with and 53 PET cases without past OM. We surmise the possibility that the PET ears had experienced inflammation even when the patients had no history of OM and the tympanic membrane showed no OM sequelae. This study indicates the existence of some relationship between a history of chronic inflammation of the middle ear cavity and a PET.
Collapse
Affiliation(s)
- T Tsuji
- Department of Otorhinolaryngology, Jikei University School of Medicine, Tokyo, Japan
| | | | | | | | | |
Collapse
|
45
|
Niwa T, Shiraga T, Mitani Y, Terakawa M, Tokuma Y, Kagayama A. Stereoselective metabolism of cibenzoline, an antiarrhythmic drug, by human and rat liver microsomes: possible involvement of CYP2D and CYP3A. Drug Metab Dispos 2000; 28:1128-34. [PMID: 10950860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
Stereoselective metabolism of cibenzoline succinate, an oral antiarrhythmic drug, was investigated on hepatic microsomes from humans and rats and microsomes from cells expressing human cytochrome P450s (CYPs). Four main metabolites, M1 (p-hydroxycibenzoline), M2 (4,5-dehydrocibenzoline), and unknown metabolites M3 and M4, were formed by human and rat liver microsomes. The intrinsic clearance (CL(int)) of the M1 formation from R(+)-cibenzoline was 23-fold greater than that of S(-)-cibenzoline in human liver microsomes, whereas the R(+)/S(-)-enantiomer ratio of CL(int) for M2, M3, and M4 formation was 0.39 to 0.83. The total CL(int) for the formation of the four main metabolites from S(-)- and R(+)-cibenzoline was 1.47 and 1.64 microl/min/mg, respectively, suggesting that the total CL(int) in R(+)-enantiomer was slightly greater than that in S(-)-enantiomer in human liver microsomes. The M1 formation from R(+)-cibenzoline was highly correlated with bufuralol 1'-hydroxylation and CYP2D6 content and was inhibited by quinidine, a potent inhibitor of CYP2D6. Additionally, only microsomes containing recombinant CYP2D6 were capable of M1 formation. These results suggest that the M1 formation from R(+)-cibenzoline was catalyzed by CYP2D6. The formation of M2, M3, and M4 from S(-)- and R(+)-cibenzoline was highly correlated with testosterone 6beta-hydroxylation and CYP3A4 content. Ketoconazole, which is a potent inhibitor of CYP3A4/5, had a strong inhibitory effect on their formation, and the M4 formation from R(+)-cibenzoline was inhibited by quinidine by 45%. The formation of M2 was also inhibited by quinidine by 46 to 52% at lower cibenzoline enantiomers (5 microM), whereas the inhibition by quinidine was not observed at a higher substrate concentration (100 microM). In male rat liver microsomes, ketoconazole and quinidine inhibited the formation of the main metabolites, M1 and M3, >74% and 44 to 59%, respectively. These results provide evidence that CYP3A and CYP2D play a major role in the stereoselective metabolism of cibenzoline in humans and male rats.
Collapse
Affiliation(s)
- T Niwa
- Biopharmaceutical and Pharmacokinetic Research Laboratories, Fujisawa Pharmaceutical Co., Ltd., Osaka, Japan.
| | | | | | | | | | | |
Collapse
|
46
|
Takaoka A, Mitani Y, Suemori H, Sato M, Yokochi T, Noguchi S, Tanaka N, Taniguchi T. Cross talk between interferon-gamma and -alpha/beta signaling components in caveolar membrane domains. Science 2000; 288:2357-60. [PMID: 10875919 DOI: 10.1126/science.288.5475.2357] [Citation(s) in RCA: 266] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Definition of cellular responses to cytokines often involves cross-communication through their respective receptors. Here, signaling by interferon-gamma (IFN-gamma) is shown to depend on the IFN-alpha/beta receptor components. Although these IFNs transmit signals through distinct receptor complexes, the IFN-alpha/beta receptor component, IFNAR1, facilitates efficient assembly of IFN-gamma-activated transcription factors. This cross talk is contingent on a constitutive subthreshold IFN-alpha/beta signaling and the association between the two nonligand-binding receptor components, IFNAR1 and IFNGR2, in the caveolar membrane domains. This aspect of signaling cross talk by IFNs may apply to other cytokines.
Collapse
Affiliation(s)
- A Takaoka
- Department of Immunology, Graduate School of Medicine and Faculty of Medicine, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | | | | | | | | | | | | | | |
Collapse
|
47
|
Mitani Y, Zaidi SH, Dufourcq P, Thompson K, Rabinovitch M. Nitric oxide reduces vascular smooth muscle cell elastase activity through cGMP-mediated suppression of ERK phosphorylation and AML1B nuclear partitioning. FASEB J 2000; 14:805-14. [PMID: 10744637 DOI: 10.1096/fasebj.14.5.805] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Nitric oxide (NO) reduces the severity of pulmonary vascular disease in rats as do elastase inhibitors. We therefore hypothesized that NO inhibits elastase by suppressing mitogen-activated protein kinases that trans-activate AML1B, a transcription factor for elastase. We used cultured pulmonary artery smooth muscle cells in which serum-treated elastin (STE) induces a > threefold increase in elastase activity as evaluated by solubilization of [(3)H]-elastin. NO donors (SNAP and DETA NONOate) inhibited elastase in a dose-dependent manner as did a cGMP mimetic (8-pCPT-cGMP). SNAP inhibition of elastase was reversed by coadministration of a cGMP-PKG inhibitor (Rp-8-pCPT-cGMP). The STE-induced increase in phospho-ERK was suppressed by NO donors and the cGMP mimetic, and reversed by cGMP-PKG inhibitor, as was expression of AML1B and DNA binding in nuclear extracts. A concomitant increase in p38 phosphorylation was also inhibited by SNAP, but whereas MEK inhibitor (PD98059) suppressed elastase and AML1B-DNA binding, a p38 inhibitor (SB202190) did not. Our study uniquely links NO with inhibition of elastase-dependent matrix remodeling in vascular disease by suggesting a cGMP-PKG-related mechanism suppressing ERK-mediated partitioning of AML1B in nuclear extracts.
Collapse
Affiliation(s)
- Y Mitani
- Division of Cardiovascular Research, The Hospital for Sick Children, Department of Laboratory Medicine and Pathobiology, and Medicine, University of Toronto, Toronto, Canada
| | | | | | | | | |
Collapse
|
48
|
|
49
|
Mitani Y, Maruyama J, Yokochi A, Maruyama K, Yoshimoto T, Naruse M, Sakurai M. Modulated vasodilator responses to natriuretic peptides in rats exposed to chronic hypoxia. Eur Respir J 2000; 15:400-6. [PMID: 10706511 DOI: 10.1034/j.1399-3003.2000.15b29.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Natriuretic peptides (NPs), such as atrial natriuretic peptide (ANP), C-type natriuretic peptide (CNP), and adrenomedullin (ADM), are endogenous vasodilators acting via specific receptors. This study addressed the question of how pulmonary artery (PA) responses to these peptides and the gene expression of their receptors are modulated in pulmonary hypertension rat models exposed to chronic hypoxia. In this study, isometric tension was measured in PA rings exposed to these NPs and 8-bromoguanosine 3', 5'-cyclic monophosphate (8-bromo-cGMP). It was compared with messenger ribonucleic acid (mRNA) levels of NP-A and -B receptors, which bind to ANP and CNP, respectively, as determined by ribonuclease (RNase) protection assay. Chronic hypoxia increased the maximal relaxation elicited by ANP, but the responses to CNP and 8-bromo-cGMP were unchanged. Chronic hypoxia did not change NP-A and -B receptor mRNA levels. The results showed that pulmonary artery response to atrial natriuretic peptide is selectively enhanced, possibly via a post-transcriptional modulation of its receptor in chronically hypoxia rats. These pharmacological characteristics of atrial natriuretic peptide are consistent with the hypothesis that the atrial natriuretic peptide system is protective against the progression of pulmonary hypertension.
Collapse
Affiliation(s)
- Y Mitani
- Dept of Paediatrics, Mie University School of Medicine, Tsu, Japan
| | | | | | | | | | | | | |
Collapse
|
50
|
Kita M, Mitani Y, Tanihata H, Sato M, Takizawa O, Laub G. [Three-phase gadolinium infusion in moving-table three-dimensional MR angiography]. Nihon Igaku Hoshasen Gakkai Zasshi 1999; 59:888-90. [PMID: 10655715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Moving-table three-dimensional (3D) MR angiography provides images of long segments of arteries. However, deep veins are sometimes superimposed on the arteries below the knee, and peripheral arteries sometimes fail to be visualized. We have developed an imaging method with three-phase gadolinium infusion according to the mean blood flow velocity of the leg. Nineteen patients with various blood flow velocities were studied. Eighteen of the patients had no venous superimposition. All 19 patients showed good configuration of peripheral arteries with 16-18 ml of gadolinium. This method is useful for better visualization of peripheral arteries without venous superimposition.
Collapse
Affiliation(s)
- M Kita
- Department of Radiology, Seichokai Fuchu Hospital
| | | | | | | | | | | |
Collapse
|