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Yamamoto R, Ozawa K, Wada S, Sago H, Nagasaki S, Takano M, Nakata M, Nozaki M, Ishii K. Infantile outcome at 3 years of age among monochorionic twins with Type-II or -III selective fetal growth restriction with isolated oligohydramnios who underwent fetoscopic laser photocoagulation. Ultrasound Obstet Gynecol 2023. [PMID: 38031151 DOI: 10.1002/uog.27551] [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] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/17/2023] [Accepted: 11/16/2023] [Indexed: 12/01/2023]
Abstract
OBJECTIVE This study aimed to examine infantile outcomes at 3 years of age with selective fetal growth restriction (sFGR) Types II and III with isolated oligohydramnios who underwent fetoscopic laser photocoagulation (FLP). METHODS This multicenter prospective cohort study included monochorionic diamniotic twins who underwent FLP for sFGR between 16 and 25 weeks of gestation. The indication for performing FLP was in cases of sFGR Type II or III with oligohydramnios, where the maximal vertical pocket was ≤2 cm among twins with FGR. This was done in the absence of a typical twin-twin transfusion syndrome diagnosis. The primary outcome was the intact survival (IS) rate of infants at the corrected age of 40 weeks and 3 years. IS at the corrected age of 40 weeks was defined as survival without grade III or IV intraventricular hemorrhage or cystic periventricular leukomalacia, and IS at 3 years of age was defined as survival without neurodevelopmental morbidity, including cerebral palsy, neurodevelopmental impairment with a total developmental quotient of ≤70, bilateral deafness, or bilateral blindness. RESULTS Among 45 patients with sFGR, 30 (66.7%) were classified as having Type II and 15 (33.3%) as Type III sFGR. The prevalence of IS at the corrected age of 40 weeks was 51.1% (n=23) in FGR twins and 95.5% (n=42) in larger twins. The prevalence of IS at 3 years of age was 46.7% (n=21) in FGR twins and 86.4% (n=38) in larger twins. Among the 24 FGR twins who were not diagnosed with IS at 3 years of age, 91.7% (22 of 24 cases) suffered fetal or infantile demise other than miscarriage and neurodevelopmental impairment. All larger twins who were not diagnosed with IS at 3 years of age (n=6, 13.6%) had neurological morbidity, in addition to one case of miscarriage. CONCLUSIONS FGR twins and larger twins, when subjected to FLP due to sFGR coupled with umbilical artery Doppler abnormalities and isolated oligohydramnios, exhibit low rates of neurological morbidity and low mortality, respectively. Therefore, FLP for Type II or III sFGR with oligohydramnios may be a feasible and preferable management option. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- R Yamamoto
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, Izumi, Japan
| | - K Ozawa
- National Center for Child Health and Development, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, Tokyo, Japan
| | - S Wada
- National Center for Child Health and Development, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, Tokyo, Japan
| | - H Sago
- National Center for Child Health and Development, Center for Maternal-Fetal, Neonatal and Reproductive Medicine, Tokyo, Japan
| | - S Nagasaki
- Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Tokyo, Japan
| | - M Takano
- Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Tokyo, Japan
| | - M Nakata
- Department of Obstetrics and Gynecology, Toho University Omori Medical Center, Tokyo, Japan
| | - M Nozaki
- Department of Neonatology, Osaka Women's and Children's Hospital, Izumi, Japan
| | - K Ishii
- Department of Maternal Fetal Medicine, Osaka Women's and Children's Hospital, Izumi, Japan
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Nassr AA, Hessami K, Corroenne R, Sanz Cortes M, Donepudi R, Espinoza J, Yamamoto R, Stirnemann J, Ishii K, Belfort MA, Chmait RH, Shamshirsaz AA. Outcome of laser photocoagulation in monochorionic diamniotic twin pregnancy complicated by Type-II selective fetal growth restriction. Ultrasound Obstet Gynecol 2023; 62:369-373. [PMID: 36704956 DOI: 10.1002/uog.26165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/05/2022] [Accepted: 01/09/2023] [Indexed: 06/18/2023]
Abstract
OBJECTIVES To evaluate the outcome of monochorionic diamniotic (MCDA) twins complicated by Type-II selective fetal growth restriction (sFGR) who underwent fetoscopic laser photocoagulation and to validate a previously proposed subclassification system for Type-II sFGR in a large multicenter cohort. METHODS This retrospective multicenter cohort study included all MCDA twins complicated by Type-II sFGR who underwent laser photocoagulation of placental anastomoses at four large tertiary fetal-care centers between 2006 and 2020. Cases were subclassified according to a recently proposed system based on Doppler evaluation of the ductus venosus (DV) and middle cerebral artery (MCA) into Type-IIA (normal DV flow and MCA peak systolic velocity (PSV) of the growth-restricted fetus) or Type-IIB (absent or reversed flow in the DV during atrial contraction and/or MCA-PSV ≥ 1.5 multiples of the median of the growth-restricted fetus). Demographic characteristics and pregnancy outcomes were compared between the groups. Data are presented as mean ± SD or n (%) as appropriate. P-values < 0.05 were considered statistically significant. RESULTS A total of 98 patients with MCDA twins met our inclusion criteria, with 56 subclassified as Type IIA and 42 as Type IIB. Demographic characteristics were similar between the groups; however, Type-IIB cases had a significantly earlier gestational age at diagnosis and at laser surgery, as well as larger intertwin estimated fetal weight discordance, which may be a reflection of disease severity. Postnatal survival of the growth-restricted fetus to 30 days of age was significantly lower in Type-IIB compared to Type-IIA cases (23.8% vs 46.4%; P = 0.034). CONCLUSIONS In MCDA twins complicated by Type-II sFGR and treated with laser photocoagulation of placental anastomoses, preoperative Doppler assessment of the DV and MCA helped identify a subset of patients at increased risk of demise of the growth-restricted fetus following intervention. This study provides valuable information for guiding surgical management and patient counseling. © 2023 International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- A A Nassr
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - K Hessami
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - R Corroenne
- Department of Obstetrics and Gynecology, University Paris Descartes, Hopital Necker-Enfants Malades, Paris, France
| | - M Sanz Cortes
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - R Donepudi
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - J Espinoza
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - R Yamamoto
- Department of Maternal-Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan
| | - J Stirnemann
- Department of Obstetrics and Gynecology, University Paris Descartes, Hopital Necker-Enfants Malades, Paris, France
| | - K Ishii
- Department of Maternal-Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan
| | - M A Belfort
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
| | - R H Chmait
- Department of Obstetrics and Gynecology, Los Angeles Fetal Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - A A Shamshirsaz
- Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA
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Hayashi K, Tanaka Y, Tsuda T, Nomura A, Fujino N, Furusho H, Sakai N, Iwata Y, Usui S, Sakata K, Kato T, Tada H, Kusayama T, Usuda K, Kawashiri MA, Passman RS, Wada T, Yamagishi M, Takamura M, Fujino N, Nohara A, Kawashiri MA, Hayashi K, Sakata K, Yoshimuta T, Konno T, Funada A, Tada H, Nakanishi C, Hodatsu A, Mori M, Tsuda T, Teramoto R, Nagata Y, Nomura A, Shimojima M, Yoshida S, Yoshida T, Hachiya S, Tamura Y, Kashihara Y, Kobayashi T, Shibayama J, Inaba S, Matsubara T, Yasuda T, Miwa K, Inoue M, Fujita T, Yakuta Y, Aburao T, Matsui T, Higashi K, Koga T, Hikishima K, Namura M, Horita Y, Ikeda M, Terai H, Gamou T, Tama N, Kimura R, Tsujimoto D, Nakahashi T, Ueda K, Ino H, Higashikata T, Kaneda T, Takata M, Yamamoto R, Yoshikawa T, Ohira M, Suematsu T, Tagawa S, Inoue T, Okada H, Kita Y, Fujita C, Ukawa N, Inoguchi Y, Ito Y, Araki T, Oe K, Minamoto M, Yokawa J, Tanaka Y, Mori K, Taguchi T, Kaku B, Katsuda S, Hirase H, Haraki T, Fujioka K, Terada K, Ichise T, Maekawa N, Higashi M, Okeie K, Kiyama M, Ota M, Todo Y, Aoyama T, Yamaguchi M, Noji Y, Mabuchi T, Yagi M, Niwa S, Takashima Y, Murai K, Nishikawa T, Mizuno S, Ohsato K, Misawa K, Kokado H, Michishita I, Iwaki T, Nozue T, Katoh H, Nakashima K, Ito S, Yamagishi M. Correction: Characterization of baseline clinical factors associated with incident worsening kidney function in patients with non-valvular atrial fibrillation: the Hokuriku-Plus AF Registry. Heart Vessels 2023; 38:412. [PMID: 36508013 DOI: 10.1007/s00380-022-02218-5] [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] [Indexed: 12/14/2022]
Affiliation(s)
- Kenshi Hayashi
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.
| | - Yoshihiro Tanaka
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Center for Arrhythmia Research, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Toyonobu Tsuda
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Akihiro Nomura
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Noboru Fujino
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Hiroshi Furusho
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Department of Cardiology, Ishikawa Prefectural Central Hospital, 2-1, Kuratsuki-higashi, Kanazawa, Japan
| | - Norihiko Sakai
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Yasunori Iwata
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Soichiro Usui
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Kenji Sakata
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takeshi Kato
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Hayato Tada
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Takashi Kusayama
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Keisuke Usuda
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Masa-Aki Kawashiri
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
| | - Rod S Passman
- Center for Arrhythmia Research, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Takashi Wada
- Department of Nephrology and Laboratory Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa, Japan
| | - Masakazu Yamagishi
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan.,Osaka University of Human Sciences, Settsu, Osaka, Japan
| | - Masayuki Takamura
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences, 13-1, Takara-machi, Kanazawa, Ishikawa, 920-8641, Japan
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Yamamoto R, Yamada T, Yamamoto R, Wagata M, Hayashi S, Ishii K. Perioperative risk factors of preterm delivery after fetoscopic laser photocoagulation for twin-twin transfusion syndrome. Prenat Diagn 2023; 43:393-399. [PMID: 36726286 DOI: 10.1002/pd.6325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/25/2023] [Accepted: 01/30/2023] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To identify risk factors for preterm delivery (PTD) in patients who received fetoscopic laser photocoagulation (FLP) of placental anastomoses for twin-twin transfusion syndrome (TTTS). METHODS This retrospective cohort study prospectively analyzed and recorded perioperative data in a cohort of patients who had FLP for TTTS, identifying perioperative risk factors for PTD using a Cox proportional hazard regression model. RESULTS Of 304 patients included, 26 (8.6%) delivered within 4 weeks of FLP. Independent predictors of delivery within 4 weeks of FLP were a history of PTD (hazard ratio [HR]: 5.91, 95% confidence interval [CI]:1.21-28.82, p = 0.03), vaginal bleeding in the second trimester (HR: 6.62, 95% CI: 1.76-24.90, p < 0.01), and amnioreduction ≥1715 mL (HR: 3.16, 95% CI: 1.11-9.05, p < 0.03). CONCLUSION Patients with a history of PTD, preoperative vaginal bleeding, and amnioreduction ≥1715 mL were more likely to deliver prematurely.
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Affiliation(s)
- Rumiko Yamamoto
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Takuma Yamada
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Ryo Yamamoto
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Maiko Wagata
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Shusaku Hayashi
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Keisuke Ishii
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Osaka, Japan
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Sato H, Narita S, Takahashi Y, Ishida M, Kobayashi M, Kashima S, Yamamoto R, Nara T, Huang M, Numakura K, Saito M, Yoshioka T, Habuchi T. Specific gut microbial environment and intratumoral lipid metabolism change in lard diet-induced prostate cancer progression. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01194-6] [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: 02/12/2023]
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Sakahashi Y, Higashisaka K, Izutani R, Seo J, Kitahara G, Kobayashi J, Nakamoto Y, Yamamoto R, Tsujino H, Haga Y, Tsutsumi Y. P06-02 Silver nanoparticles inhibit intercellular fusion in the BeWo syncytialization process. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.320] [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: 10/14/2022]
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Yamamoto R, Saito M, Aoyama Y, Sagehashi R, Saito T, Kashima S, Koizumi A, Nara T, Numakura K, Narita S, Satoh S, Habuchi T. Protective effects of regulatory T cells in renal ischemia/reperfusion injury in mice. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01165-4] [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: 11/04/2022]
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Muto Y, Numakura K, Sekine Y, Kobayashi M, Kashima S, Yamamoto R, Koizumi A, Nara T, Saito M, Narita S, Omori Y, Habuchi T. Cancer-associated adipose-derived mesenchymal stem cells promote migration and invasion in kidney cancer. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01199-x] [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: 11/25/2022]
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Numakura K, Sekine Y, Muto Y, Kobayashi M, Kashima S, Yamamoto R, Koizumi A, Nara T, Saito M, Narita S, Habuchi T. Cortisol regulates adrenaline synthesis via phenylethanolamine N-methyltransferase in surgical specimens of pheochromocytoma. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00708-4] [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: 11/04/2022]
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Yamamoto R, Kuruma A, Moriuchi K, Shiro M, Wagata M, Yamamoto R, Kawaguchi H, Hayashi S, Ishii K. Re-evaluation of the predictive value of Quintero staging of twin-twin transfusion syndrome for fetal death after fetoscopic laser photocoagulation. Prenat Diagn 2021; 41:1560-1567. [PMID: 34586692 DOI: 10.1002/pd.6053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To elucidate the significance of sonographic indices, including Doppler waveforms, that constitute the Quintero classification for predicting death of the recipient or donor after fetoscopic laser photocoagulation (FLP) for twin-twin transfusion syndrome (TTTS). METHODS Prospectively collected data of twins who underwent FLP for TTTS were reviewed. Among the abnormal indices of ultrasound performed just before FLP, factors that were significantly associated with fetal and neonatal deaths in the log-rank test, including fetal demise of co-twins and preterm birth before 28 weeks of gestation, were introduced into the Cox proportional-hazards model to calculate risk ratio (RR). RESULTS We included 235 cases with a prevalence of recipient and donor deaths of 7% and 14%, respectively. In the proportional-hazards model, absent or reversed umbilical artery end-diastolic velocity (UA AREDV) of recipients (n = 7) was independently associated with recipient death (RR = 6.97). In recipients without UA AREDV, reversed ductus venosus (DV) a-wave of recipients (RR = 3.55) was independently associated with recipient death. In donors, UA AREDV with a visible bladder (stage III atypical donor) was independently associated with donor death (RR = 4.24). CONCLUSION Some individual components of the Quintero stage are associated with death of either recipient or donor twins following FLP.
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Affiliation(s)
- Ryo Yamamoto
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Airi Kuruma
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Kaori Moriuchi
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Michihisa Shiro
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Maiko Wagata
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Rumiko Yamamoto
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Haruna Kawaguchi
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Shusaku Hayashi
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
| | - Keisuke Ishii
- Department of Fetal Maternal Medicine, Osaka Women's and Children's Hospital, Izumi, Osaka, Japan
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Sato H, Narita S, Ishida M, Kashima S, Yamamoto R, Koizumi A, Nara T, Huang M, Numakura K, Saito M, Shigeru S, Yoshioka T, Habuchi T. Lard diet accelerates prostate cancer development with modulation of systematic and local inflammation and gut microbiota alteration in a Pten-deficient mouse model. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00798-3] [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: 10/20/2022]
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Yamamoto R, Sugiura T, Okamura Y, Ito T, Yamamoto Y, Ashida R, Ohgi K, Otsuka S, Uesaka K. Utility of remnant liver volume for predicting posthepatectomy liver failure after hepatectomy with extrahepatic bile duct resection. BJS Open 2021; 5:6137383. [PMID: 33609394 PMCID: PMC7893452 DOI: 10.1093/bjsopen/zraa049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Hepatectomy with extrahepatic bile duct resection is associated with a high risk of posthepatectomy liver failure (PHLF). However, the utility of the remnant liver volume (RLV) in cholangiocarcinoma has not been studied intensively. METHODS Patients who underwent major hepatectomy with extrahepatic bile duct resection between 2002 and 2018 were reviewed. The RLV was divided by body surface area (BSA) to normalize individual physical differences. Risk factors for clinically relevant PHLF were evaluated with special reference to the RLV/BSA. RESULTS A total of 289 patients were included. The optimal cut-off value for RLV/BSA was determined to be 300 ml/m2. Thirty-two patients (11.1 per cent) developed PHLF. PHLF was more frequent in patients with an RLV/BSA below 300 ml/m2 than in those with a value of 300 ml/m2 or greater: 19 of 87 (22 per cent) versus 13 of 202 (6.4 per cent) (P < 0.001). In multivariable analysis, RLV/BSA below 300 ml/m2 (P = 0.013), future liver remnant plasma clearance rate of indocyanine green less than 0.075 (P = 0.031), and serum albumin level below 3.5 g/dl (P = 0.015) were identified as independent risk factors for PHLF. Based on these risk factors, patients were classified into three subgroups with low (no factors), moderate (1-2 factors), and high (3 factors) risk of PHLF, with PHLF rates of 1.8, 14.8 and 63 per cent respectively (P < 0.001). CONCLUSION An RLV/BSA of 300 ml/m2 is a simple predictor of PHLF in patients undergoing hepatectomy with extrahepatic bile duct resection.
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Affiliation(s)
- R Yamamoto
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - T Sugiura
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - Y Okamura
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - T Ito
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - Y Yamamoto
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - R Ashida
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - K Ohgi
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - S Otsuka
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
| | - K Uesaka
- Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan
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Bouchareychas L, Duong P, Covarrubias S, Alsop E, Q Phu T, Chung A, Gomes M, Wong D, Meechoovet B, Capili A, Yamamoto R, Nakauchi H, Mcmanus M, Carpenter S, Van Keuren-Jensen K, Raffai R. M2 macrophage exosomes regulate hematopoiesis & resolve inflammation in atherosclerosis via microrna cargo. Atherosclerosis 2020. [DOI: 10.1016/j.atherosclerosis.2020.10.022] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Uchikura K, Yamamoto R, Tajima S, Suzuki M, Sagara A, Kurita T. Porcine embryo collection using single subcutaneous administration of follicle-stimulating hormone in a large volume of saline. J Reprod Dev 2020; 66:189-192. [PMID: 31941843 PMCID: PMC7175388 DOI: 10.1262/jrd.2019-101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 12/26/2019] [Indexed: 01/19/2023] Open
Abstract
The effects of a single subcutaneous or intramuscular injection of follicle-stimulating hormone (FSH) on follicular growth and expression of estrous behavior and its single subcutaneous administration on the number of corpora lutea (CL) and embryos were investigated in pigs. All four sows that were subcutaneously administered 5 AU FSH expressed normal estrus and had no ovarian cysts. Two of the four sows that were administered 5 AU FSH intramuscularly did not exhibit estrus, and another sow had a short estrus period. All four sows had ovarian cysts. The mean numbers of CL, embryos, and blastocysts following the subcutaneous administration of 5 AU FSH (16.8, 16.0, and 13.8, respectively) did not differ significantly from those for the control animals treated intramuscularly with 1000 IU equine chorionic gonadotropin (18.5, 16.5, and 14.3, respectively). In conclusion, embryo recovery was possible using a single subcutaneous administration of FSH.
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Affiliation(s)
- Kenzo Uchikura
- Department of Animal Science, Aichi Agricultural Research Center, Aichi 480-1193, Japan
| | - Rumiko Yamamoto
- Department of Animal Science, Aichi Agricultural School, Aichi 444-0802, Japan
| | - Shigeyuki Tajima
- Department of Animal Science, Aichi Agricultural Research Center, Aichi 480-1193, Japan
| | - Masahiro Suzuki
- Department of Breeding Stock, Aichi Livestock and Poultry Breeding Center, Aichi 444-0006, Japan
| | - Ayumi Sagara
- Department of Animal Science, Aichi Agricultural Research Center, Aichi 480-1193, Japan
| | - Takayuki Kurita
- Department of Animal Science, Aichi Agricultural Research Center, Aichi 480-1193, Japan
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15
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Yamamoto R, Sekiyama K, Higuchi T, Ikeda M, Mikami M, Kobayashi Y, Nagase S, Yokoyama M, Enomoto T, Katabuchi H. Value and limitation of conization as a diagnostic procedure for cervical neoplasm. J Obstet Gynaecol Res 2019; 45:2419-2424. [PMID: 31576641 DOI: 10.1111/jog.14118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 08/25/2019] [Indexed: 11/29/2022]
Abstract
AIM In the recent years, the number of cervical conization procedures performed for diagnostic or therapeutic purposes is increasing, accompanied by increased cervical neoplasia among young women. This study aimed to analyze the clinical data of patients who underwent conization in Japan. METHODS Among the 14 832 cases of conization registered in 205 facilities over 2 years (2009-2011), the data of 2409 and 12 417 patients who underwent conization for diagnostic and therapeutic purposes, respectively, were retrospectively analyzed. RESULTS The median age of the patients in diagnostic and therapeutic conization groups was 44 and 37 years, respectively. When comparing the diagnostic and therapeutic groups, 25.5% of the patients in the former were suspected with invasive cancer preoperatively, which is higher than that in the latter (2.7%). About 25.7% in the diagnostic and 14.1% in the therapeutic group had positive margin in the conization specimens. Additional treatment was required for 36.0% and 5.5% of the patients in the diagnostic and therapeutic groups, respectively, which are high figures for both. The risk factors of pathological upgrade in the conization specimens were diagnostic purpose, postmenopausal status and glandular lesion. Additional hysterectomy was performed in 1304 patients after conization, and pathological diagnosis was upgraded in 550 cases. Multivariate analysis revealed that postmenstrual status was an independent risk factor. CONCLUSION This study revealed that cervical lesions of glandular lineage and patients with postmenopausal status benefit from diagnostic conization. However, in postmenopausal patients, the underlying disease cannot be excluded in the preserved uterus even by diagnostic conization.
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Affiliation(s)
- Rumiko Yamamoto
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kohukai Medical Research Institute, Osaka, Japan
| | - Kentaro Sekiyama
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kohukai Medical Research Institute, Osaka, Japan
| | - Toshihiro Higuchi
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kohukai Medical Research Institute, Osaka, Japan
| | - Masae Ikeda
- Department of Obstetrics and Gynecology, Tokai University School of Medicine, Isehara, Japan
| | - Mikio Mikami
- Department of Obstetrics and Gynecology, Tokai University School of Medicine, Isehara, Japan
| | - Yoichi Kobayashi
- Department of Obstetrics and Gynecology, Kyorin University School of Medicine, Mitaka-shi, Japan
| | - Satoru Nagase
- Department of Obstetrics and Gynecology, Yamagata University, Faculty of Medicine, Yamagata-shi, Japan
| | - Masatoshi Yokoyama
- Department of Obstetrics and Gynecology, Saga University Hospital, Saga-shi, Japan
| | - Takayuki Enomoto
- Department of Obstetrics and Gynecology, Niigata University Medical School, Niigata-shi, Japan
| | - Hidetaka Katabuchi
- Department of Obstetrics and Gynecology, Faculty of Life Science, Kumamoto University, Kumamoto-shi, Japan
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Mizuguchi S, Takahama M, Nakajima R, Nomura N, Suzuki S, Kanno Y, Yamamoto R. P2.05-19 The Patency of Right Upper Lobe Bronchus After Y-Stent Placement Affect Outcome on Malignant Tracheobronchial Stenosis. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1618] [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: 11/29/2022]
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17
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Shimbo T, Yamazaki S, Kitayama T, Ouchi Y, Yamamoto R, Takaki E, Bruckner-Tuderman L, Uitto J, Kaneda Y, Tamai K. 579 Single cell transcriptome and epigenome analyses in a murine model of dystrophic epidermolysis bullosa. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.583] [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: 11/25/2022]
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18
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Matsuoka M, Taga A, Hata S, Yamamoto R, Ando Y, Kozono Y, Tsuji N, Sekiyama K, Higuchi T, Nagano T. Abnormal menstruation after radical trachelectomy and its effects on fertility. J Obstet Gynaecol Res 2019; 45:1906-1912. [DOI: 10.1111/jog.14032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 05/25/2019] [Indexed: 11/27/2022]
Affiliation(s)
- Mari Matsuoka
- Department of Gynecology, IVF Namba Clinic Osaka Japan
| | - Atsuko Taga
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Saori Hata
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Rumiko Yamamoto
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Yukiko Ando
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Yuki Kozono
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Natsuki Tsuji
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Kentaro Sekiyama
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Toshihiro Higuchi
- Department of Obstetrics and GynecologyThe Tazuke Kofukai Medical Research Institute, Kitano Hospital Osaka Japan
| | - Tadayoshi Nagano
- Department of GynecologyKansai Electric Power Hospital Osaka Japan
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19
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Mizuguchi S, Takahama M, Nakajima R, Inoue H, Ito R, Nomura N, Yamamoto R. P1.05-10 Usefulness of Respiratory Dilatation Balloon in Tracheobronchial Stenosis Requiring Silicone Y-Stent Treatment. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.762] [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: 11/30/2022]
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20
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Shimbo T, Sasaki E, Kitayama T, Yamazaki S, Nishida M, Ouchi Y, Yamamoto R, Bruckner-Tuderman L, Uitto J, Kikuchi Y, Katayama I, Kaneda Y, Tamai K. 843 Systemic delivery of HMGB1 promotes tissue regeneration by activating PDGFRα cells in a mouse model of epidermolysis bullosa. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.853] [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: 10/17/2022]
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21
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Ono M, Kakudo Y, Yamamoto R, Nagami K, Kumada J. Simultaneous Analysis of Hop Bittering Components by High-Performance Liquid Chromatography. II. Evaluation of Hop Deterioration. Journal of the American Society of Brewing Chemists 2018. [DOI: 10.1094/asbcj-45-0061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- M. Ono
- Research Center of Suntory, Ltd., Shimamoto, Osaka 618, Japan
| | - Y. Kakudo
- Research Center of Suntory, Ltd., Shimamoto, Osaka 618, Japan
| | - R. Yamamoto
- Research Center of Suntory, Ltd., Shimamoto, Osaka 618, Japan
| | - K. Nagami
- Research Center of Suntory, Ltd., Shimamoto, Osaka 618, Japan
| | - J. Kumada
- Research Center of Suntory, Ltd., Shimamoto, Osaka 618, Japan
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22
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Oku S, Yamamoto R, Kimura M. Interim Report of Healthcare Delivery after East Japan Earthquake-Tsunami Disaster – Does EHR Help? Methods Inf Med 2018. [DOI: 10.1055/s-0038-1625349] [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: 10/28/2022]
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23
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Jimi T, Yamamoto R, Seo K, Matsuoka M, Hata S, Ando Y, Miyata H, Kozono Y, Tsuji N, Okuda A, Sekiyama K, Terakawa K, Nagano T. A case of laparoscopy-assisted vaginal cuff suturing for vaginal cuff dehiscence after total laparoscopic hysterectomy. Int J Surg Case Rep 2017; 41:110-113. [PMID: 29059609 PMCID: PMC5651540 DOI: 10.1016/j.ijscr.2017.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 10/09/2017] [Accepted: 10/13/2017] [Indexed: 11/27/2022] Open
Abstract
INTRODUCTION Vaginal cuff dehiscence after hysterectomy is a rare complication and occurs in less than 1% of patients. It can present with serious complications, such as bowel evisceration and peritonitis. PRESENTATION OF CASE A 51-year-old multigravida Korean woman underwent total laparoscopic hysterectomy for leiomyoma. Six months later, she reported lower abdominal pain and vaginal bleeding. Physical examination revealed rebound tenderness in the lower abdomen, and pelvic examination showed a small amount of vaginal bleeding with an evisceration of the small intestine through the vagina that exhibited healthy peristalsis. The eviscerated bowel, which seemed to be a part of the ileum, was carefully manually reduced transvaginally into the abdominal cavity. Laparoscopic observation revealed adhesions between the omentum, small intestine, and the peritoneum. Specifically, the small intestine was adhered around the vaginal cuff. An abdominal abscess was found in the left lower abdominal cavity. An adhesiotomy was performed and the abdominal abscess was removed and irrigated. Complete separation of the anterior and posterior vaginal cuff edges was obtained. The vaginal cuff was closed with interrupted 0-polydioxanone absorbable sutures without bowel injury. A 6-month follow-up examination revealed complete healing of the vaginal cuff. DISCUSSION In this case, we were able to make use of both laparoscopic and transvaginal methods to perform a successful repair with a minimally invasive and safe technique. CONCLUSION Laparoscopically assisted vaginal cuff suturing for vaginal cuff dehiscence after total laparoscopic hysterectomy was found to be effective, safe, and minimally invasive.
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Affiliation(s)
- Tomoatsu Jimi
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Rumiko Yamamoto
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Koji Seo
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Mari Matsuoka
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Saori Hata
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Yukiko Ando
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Hiromi Miyata
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Yuki Kozono
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Natsuki Tsuji
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Akiko Okuda
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Kentaro Sekiyama
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Koichi Terakawa
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
| | - Tadayoshi Nagano
- Department of Obstetrics and Gynecology, Kitano Hospital, Tazuke Kofukai Medical Research Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
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24
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Shimbo T, Nishida M, Kitayama T, Yamamoto R, Takaki E, Kikuchi Y, Kaneda Y, Tamai K. 671 Comprehensive analysis on HMGB1-induced circulating cells during cutaneous tissue regeneration. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.348] [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]
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25
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Matsuoka M, Yamamoto R, Tsuji N, Terakawa K, Nagano T. Abdominal radical trachelectomy for vaginal cancer - A case report. Gynecol Oncol Rep 2017; 21:45-47. [PMID: 28664182 PMCID: PMC5479951 DOI: 10.1016/j.gore.2017.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 06/02/2017] [Accepted: 06/04/2017] [Indexed: 11/24/2022] Open
Abstract
Vaginal cancer is most common in elderly woman and very rare in young woman. Stage I vaginal cancer is treated with surgery and radiotherapy. Vaginal cancer in a young patient was treated by intra-arterial chemotherapy followed by abdominal radical trachelectomy.
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Affiliation(s)
- Mari Matsuoka
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kofukai Medical Reserch Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka 530-8480, Japan
| | - Rumiko Yamamoto
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kofukai Medical Reserch Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka 530-8480, Japan
| | - Natsuki Tsuji
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kofukai Medical Reserch Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka 530-8480, Japan
| | - Koichi Terakawa
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kofukai Medical Reserch Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka 530-8480, Japan
| | - Tadayoshi Nagano
- Department of Obstetrics and Gynecology, Kitano Hospital, The Tazuke Kofukai Medical Reserch Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka 530-8480, Japan
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26
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Yonetani N, Yamamoto R. Reply. Ultrasound Obstet Gynecol 2017; 49:664. [PMID: 28471027 DOI: 10.1002/uog.17425] [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] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- N Yonetani
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - R Yamamoto
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
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27
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Honda H, Kubo K, Yamamoto R, Ishii Y, Kanzaki H, Hamamoto Y, Mochizuki T, Oita M, Sasaki M, Tominaga M, Uto Y. EP-1474: Feasibility of dose delivery error detection by a transmission detector for patient-specific QA. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)31909-6] [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: 10/19/2022]
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28
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Oka Y, Takata N, Horiuchi F, Ito K, Yamamoto R. 0978 PREVENTION OF SUDDEN UNEXPECTED INFANT DEATH (SUID) DURING SLEEP AT NURSERY SCHOOLS. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.977] [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: 11/12/2022] Open
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29
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Sugino N, Kawahara M, Tatsumi G, Kanai A, Matsui H, Yamamoto R, Nagai Y, Fujii S, Shimazu Y, Hishizawa M, Inaba T, Andoh A, Suzuki T, Takaori-Kondo A. A novel LSD1 inhibitor NCD38 ameliorates MDS-related leukemia with complex karyotype by attenuating leukemia programs via activating super-enhancers. Leukemia 2017; 31:2303-2314. [PMID: 28210006 DOI: 10.1038/leu.2017.59] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 01/22/2017] [Accepted: 02/03/2017] [Indexed: 12/15/2022]
Abstract
Lysine-specific demethylase 1 (LSD1) regulates gene expression by affecting histone modifications and is a promising target for acute myeloid leukemia (AML) with specific genetic abnormalities. Novel LSD1 inhibitors, NCD25 and NCD38, inhibited growth of MLL-AF9 leukemia as well as erythroleukemia, megakaryoblastic leukemia and myelodysplastic syndromes (MDSs) overt leukemia cells in the concentration range that normal hematopoiesis was spared. NCD25 and NCD38 invoked the myeloid development programs, hindered the MDS and AML oncogenic programs, and commonly upregulated 62 genes in several leukemia cells. NCD38 elevated H3K27ac level on enhancers of these LSD1 signature genes and newly activated ~500 super-enhancers. Upregulated genes with super-enhancer activation in erythroleukemia cells were enriched in leukocyte differentiation. Eleven genes including GFI1 and ERG, but not CEBPA, were identified as the LSD1 signature with super-enhancer activation. Super-enhancers of these genes were activated prior to induction of the transcripts and myeloid differentiation. Depletion of GFI1 attenuated myeloid differentiation by NCD38. Finally, a single administration of NCD38 causes the in vivo eradication of primary MDS-related leukemia cells with a complex karyotype. Together, NCD38 derepresses super-enhancers of hematopoietic regulators that are silenced abnormally by LSD1, attenuates leukemogenic programs and consequently exerts anti-leukemic effect against MDS-related leukemia with adverse outcome.
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Affiliation(s)
- N Sugino
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - M Kawahara
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Medicine, Shiga University of Medical Science, Otsu, Japan
| | - G Tatsumi
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - A Kanai
- Department of Molecular Oncology and Leukemia Program Project, Hiroshima University, Hiroshima, Japan
| | - H Matsui
- Department of Molecular Oncology and Leukemia Program Project, Hiroshima University, Hiroshima, Japan.,Department of Molecular Laboratory Medicine, Kumamoto University, Kumamoto, Japan
| | - R Yamamoto
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y Nagai
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - S Fujii
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Y Shimazu
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - M Hishizawa
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - T Inaba
- Department of Molecular Oncology and Leukemia Program Project, Hiroshima University, Hiroshima, Japan
| | - A Andoh
- Department of Medicine, Shiga University of Medical Science, Otsu, Japan
| | - T Suzuki
- Department of Chemistry, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan.,CREST, Japan Science and Technology Agency (JST), Tokyo, Japan
| | - A Takaori-Kondo
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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30
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Yonetani N, Yamamoto R, Murata M, Nakajima E, Taguchi T, Ishii K, Mitsuda N. Prediction of time to delivery by transperineal ultrasound in second stage of labor. Ultrasound Obstet Gynecol 2017; 49:246-251. [PMID: 27089836 DOI: 10.1002/uog.15944] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 03/26/2016] [Accepted: 04/14/2016] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To investigate whether the transperineal sonographic (TPS) parameters angle of progression (AoP) and midline angle (MLA) can predict the time remaining in the second stage of labor. METHODS We evaluated prospectively women with a singleton pregnancy in cephalic presentation at term between October 2013 and September 2014. TPS volumes were obtained immediately after confirmation by digital vaginal examination of a fully dilated cervix. AoP and MLA were measured offline by analyzing the ultrasound volumes. Progression of labor was evaluated every hour during the second stage. The associations of AoP and MLA with the interval between TPS assessment and delivery were evaluated using multivariable Cox proportional hazards analyses in nulliparous and parous women separately. RESULTS A total of 557 women were evaluated. An AoP ≥ 160° (adjusted hazard ratio (aHR), 2.52 (95% CI, 1.98-3.19)) and MLA ≤ 10° (aHR, 1.79 (95% CI, 1.35-2.34)) in nulliparous women and an AoP ≥ 150° (aHR, 1.86 (95% CI, 1.34-2.57)) and MLA ≤ 20° (aHR, 1.69 (95% CI, 1.21-2.34)) in parous women were significantly associated with the remaining time in labor. The positive/negative likelihood ratios of AoP, MLA, clinical station (fetal head descent as observed by digital examination) and clinical rotation (fetal head rotation as observed by digital examination) at these cut-off points were 3.6/0.6, 2.0/0.6, 1.6/0.6 and 1.6/0.8, respectively, in nulliparous women, and 2.4/0.6, 1.3/0.7, 7.6/0.5 and 5.2/0.7, respectively, in parous women. CONCLUSION TPS assessment of AoP and MLA in the second stage of labor was useful for predicting the time remaining in labor and had higher predictive value than did digital vaginal examination in nulliparous women. Copyright © 2016 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- N Yonetani
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - R Yamamoto
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - M Murata
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - E Nakajima
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - T Taguchi
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - K Ishii
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
| | - N Mitsuda
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan
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Katayama K, Shimozori M, Hoshino T, Yamamoto R, Ushida H, Fukada S. Pebble structure change of Li 2 TiO 3 with excess Li in water vapor atmosphere at elevated temperatures. Nuclear Materials and Energy 2016. [DOI: 10.1016/j.nme.2016.05.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ushida H, Katayama K, Matsuura H, Yamamoto R, Fukada S, Goto M, Nakagawa S. Tritium permeation behavior through pyrolytic carbon in tritium production using high-temperature gas-cooled reactor for fusion reactors. Nuclear Materials and Energy 2016. [DOI: 10.1016/j.nme.2016.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ortiz JU, Crispi F, Yamamoto R, Masoller N, Eixarch E, Lobmaier SM, Schneider KTM, Martinez JM, Gratacós E. Beurteilung der längsventrikulären Funktion bei Zwillingen mit feto-fetalem Transfusionssyndrom vor und nach der Lasertherapie. Z Geburtshilfe Neonatol 2015. [DOI: 10.1055/s-0035-1566508] [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: 10/22/2022]
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Abstract
Porcine dentin sialophosphoprotein (DSPP), the most abundant noncollagenous protein in dentin, is critical for proper mineralization of tooth dentin. DSPP is processed by proteases into 3 major domains: dentin sialoprotein (DSP), dentin glycoprotein (DGP), and dentin phosphoprotein (DPP). There are at least 2 mRNA variants expressed from the Dspp gene: one encodes the full-length DSPP protein (DSP+DGP+DPP); the other encodes only DSP. The shorter transcript is generated through the use of a polyadenylation signal within intron 4, immediately following the DSP coding region (DGP and DPP are encoded by exon 5). We fractionated DSPP-derived proteins from the dental pulp of developing porcine incisors using heparin chromatography. DSP was identified, but little DPP could be detected in any fractions. BMP-1 digestion of DSPP-derived proteins extracted from dental pulp did not generate new DPP bands on sodium dodecyl sulfate-polyacrylamide gel electrophoresis (indicating an absence of intact DSPP), although the results suggested another BMP-1 cleavage site within DSP. We further purified DSPP-derived protein by reversed-phase high-performance liquid chromatography. Its amino acid composition was similar to DSP. Expression of the full-length Dspp mRNA by quantitative real-time polymerase chain reaction analysis was significantly higher in odontoblasts than in pulp, while expression of the DSP-only mRNA was almost equal in odontoblasts and in the body of the pulp. Expression of the full-length Dspp mRNA was also significantly higher than the expression of DSP-only mRNA in odontoblasts. Both the full-length and the DSP-only Dspp mRNA showed only trace expression in the pulp tip. We conclude that use of the 3' polyadenylation signal in exon 5 predominates in fully differentiated odontoblasts, while both polyadenylation signals are used throughout odontoblast differentiation.
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Affiliation(s)
- R Yamamoto
- Department of Biochemistry and Molecular Biology, School of Dental Medicine, Tsurumi University, Tsurumi-ku, Yokohama, Japan
| | - S Oida
- Department of Biochemistry and Molecular Biology, School of Dental Medicine, Tsurumi University, Tsurumi-ku, Yokohama, Japan
| | - Y Yamakoshi
- Department of Biochemistry and Molecular Biology, School of Dental Medicine, Tsurumi University, Tsurumi-ku, Yokohama, Japan
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Hanada T, Tsuji N, Miyata H, Kadogami D, Seo K, Deguchi M, Yamamoto R, Butsuhara Y, Jimi T, Kozono Y, Iwami S, Terakawa K, Nagano T. Successful delivery after abdominal radical trachelectomy followed by adjuvant chemotherapy for advanced invasive uterine cervical cancer: a case report and literature review. Int Cancer Conf J 2015; 5:9-12. [PMID: 31149415 DOI: 10.1007/s13691-015-0215-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Accepted: 03/23/2015] [Indexed: 11/24/2022] Open
Abstract
Uterine cervical cancer is increasingly prevalent among young Japanese women who are eager to preserve their fertility, and abdominal radical trachelectomy (ART) is often performed in patients with early-stage invasive lesions. Herein we present details of a 27-year-old woman with stage IB1 cervical cancer. Although the patient received ART, histopathological findings revealed a parametrial invasion. Hence, 3 courses of adjuvant chemotherapy with paclitaxel and carboplatin (TC) were administered, and the patient conceived spontaneously 44 months later. Rupture of the membrane occurred at 32 weeks and 4 days, and a 1822 g female baby was delivered by emergency cesarean section. The patient is alive without disease and her child is growing favorably. This case demonstrates the balance between preservation of fertility and curative adjuvant chemotherapy after ART.
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Affiliation(s)
- Tetsuro Hanada
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Natsuki Tsuji
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Hiromi Miyata
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Daisuke Kadogami
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Koji Seo
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Mari Deguchi
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Rumiko Yamamoto
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Yusuke Butsuhara
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Tomoatsu Jimi
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Yuki Kozono
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Shuichiro Iwami
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Koichi Terakawa
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
| | - Tadayoshi Nagano
- Department of Obstetrics and Gynecology, The Tazuke Kofukai, Medical Research Institute, Kitano Hospital, 2-4-20 Kita-Ku, Osaka City, Osaka 530-8480 Japan
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Sun P, Zhang Q, Zhang Y, Wang F, Wang L, Yamamoto R, Sugai T, Kato N. Fear conditioning suppresses large-conductance calcium-activated potassium channels in lateral amygdala neurons. Physiol Behav 2015; 138:279-84. [DOI: 10.1016/j.physbeh.2014.10.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 06/13/2014] [Accepted: 10/09/2014] [Indexed: 01/15/2023]
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Ortiz JU, Crispi F, Yamamoto R, Gómez O, Bennasar M, Masoller N, Lobmaier SM, Martinez JM, Gratacós E. Fetal ventricular long axis function in twin-to-twin transfusion syndrome before and after laser surgery. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388032] [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] Open
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Mabuchi A, Ishii K, Yamamoto R, Taguchi T, Murata M, Hayashi S, Mitsuda N. Clinical characteristics of monochorionic twins with large hemoglobin level discordance at birth. Ultrasound Obstet Gynecol 2014; 44:311-315. [PMID: 24585685 DOI: 10.1002/uog.13343] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 02/02/2014] [Accepted: 02/14/2014] [Indexed: 06/03/2023]
Abstract
OBJECTIVES To evaluate neonatal outcomes and clinical characteristics of monochorionic diamniotic (MCDA) twins with a large intertwin hemoglobin (Hb) difference at birth. METHODS This was a retrospective cohort study of MCDA twin gestations delivered at Osaka Medical Center and Research Institute for Maternal and Child Health between 2003 and 2012. Cases of pregnancy termination, acardiac twins or intrauterine death were excluded. A large intertwin Hb difference at birth was defined as > 8.0 g/dL according to the postnatal criteria for twin anemia-polycythemia sequence (TAPS). The intertwin reticulocyte count ratio (RCR) was calculated by dividing the reticulocyte count of the anemic twin by that of the polycythemic twin. Cases with Hb differences were divided into two groups according to the RCR, TAPS when the RCR was > 1.7 and acute fetofetal hemorrhage (AFFH) when the RCR was ≤ 1.7. Neonatal outcomes were compared between the TAPS and AFFH groups. RESULTS During the study period, 432 MCDA twin pregnancies of a total of 532 born at our hospital were analyzed. There were 12 (2.8%) cases of a large intertwin Hb difference. The median gestational age at birth of these cases was 34 (range, 23-38) weeks, and all were delivered by Cesarean section. There were seven (1.6%) cases of TAPS and five (1.2%) of AFFH. The neonatal survival rate was 91.7%; in one pair of twins with TAPS neonatal death occurred. All (100%) cases with TAPS and two (40%) with AFFH required blood transfusion or partial-exchange transfusion for at least one infant. CONCLUSIONS Although the incidence of TAPS and AFFH may be low in MCDA twins, many affected neonates required treatment for hematological abnormalities. Delivery of MCDA twins via Cesarean section does not appear to prevent AFFH, despite the absence of labor.
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Affiliation(s)
- A Mabuchi
- Department of Maternal Fetal Medicine, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan
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Sciancalepore AG, Sallustio F, Girardo S, Passione LG, Camposeo A, Mele E, Di Lorenzo M, Costantino V, Schena FP, Pisignano D, Casino FG, Mostacci SD, Di Carlo M, Sabato A, Procida C, Creput C, Vanholder R, Stolear JC, Lefrancois G, Hanoy M, Nortier J, Potier J, Sereni L, Ferraresi M, Pereno A, Nazha M, Barbero S, Piccoli GB, Ficheux A, Gayrard N, Duranton F, Guzman C, Szwarc I, Bismuth -Mondolfo J, Brunet P, Servel MF, Argiles A, Bernardo A, Demers J, Hutchcraft A, Marbury TC, Minkus M, Muller M, Stallard R, Culleton B, Krieter DH, Korner T, Devine E, Ruth M, Jankowski J, Wanner C, Lemke HD, Surace A, Rovatti P, Steckiph D, Mancini E, Santoro A, Leypoldt JK, Agar BU, Bernardo A, Culleton BF, Vankova S, Havlin J, Klomp DJ, Van Beijnum F, Day JPR, Wieringa FP, Kooman JP, Gremmels H, Hazenbrink DH, Simonis F, Otten ML, Wester M, Boer WH, Joles JA, Gerritsen KG, Umimoto K, Shimamoto Y, Mastushima K, Miyata M, Muller M, Naik A, Pokropinski S, Bairstow S, Svatek J, Young S, Johnson R, Bernardo A, Rikker C, Juhasz E, Gaspar R, Rosivall L, Rusu E, Zilisteanu D, Balanica S, Achim C, Atasie T, Carstea F, Voiculescu M, Monzon Vazquez T, Saiz Garcia S, Mathani V, Escamilla Cabrera B, Cornelis T, Van Der Sande FM, Eloot S, Cardinaels E, Bekers O, Damoiseaux J, Leunissen KM, Kooman J, Baamonde Laborda E, Bosch Benitez-Parodi E, Perez Suarez G, Anton Perez G, Batista Garcia F, Lago Alonso M, Garcia Canton C, Hashimoto S, Seki M, Tomochika M, Yamamoto R, Okamoto N, Nishikawa A, Koike T, Ravagli E, Maldini L, Badiali F, Perazzini C, Lanciotti G, Steckiph D, Surace A, Rovatti P, Severi S, Rigotti A, McFarlane P, Marticorena R, Dacouris N, Pauly R, Nikitin S, Amdahl M, Bernardo A, Culleton B, Calabrese G, Mancuso D, Mazzotta A, Vagelli G, Balenzano C, Steckiph D, Bertucci A, Della Volpe M, Gonella M, Uchida T, Ando K, Kofuji M, Higuchi T, Momose N, Ito K, Ueda Y, Miyazawa H, Kaku Y, Nabata A, Hoshino T, Mori H, Yoshida I, Ookawara S, Tabei K, Umimoto K, Suyama M, Shimamoto Y, Miyata M, Kamada A, Sakai R, Minakawa A, Fukudome K, Hisanaga S, Ishihara T, Yamada K, Fukunaga S, Inagaki H, Tanaka C, Sato Y, Fujimoto S, Potier J, Bouet J, Queffeulou G, Bell R, Nolin L, Pichette V, Provencher H, Lamarche C, Nadeau-Fredette AC, Ouellet G, Leblanc M, Bezzaoucha S, Kouidmir Y, Kassis J, Alonso ML, Lafrance JP, Vallee M, Fils J, Mailley P, Cantaluppi V, Medica D, Quercia AD, Dellepiane S, Ferrario S, Gai M, Leonardi G, Guarena C, Caiazzo M, Biancone L, Enos M, Culleton B, Wiebenson D, Potier J, Hanoy M, Duquennoy S, Tingli W, Ling Z, Yunying S, Ping F, Dolley-Hitze T, Hamel D, Lombart ML, Leypoldt JK, Bernardo A, Hutchcraft AM, Vanholder R, Culleton BF, Movilli E, Camerini C, Gaggia P, Zubani R, Feller P, Pola A, Carli O, Salviani C, Manenti C, Cancarini G, Bozzoli L, Colombini E, Ricchiuti G, Pisanu G, Gargani L, Donadio C, Sidoti A, Lusini ML, Biagioli M, Ghezzi PM, Sereni L, Caiazzo M, Palladino G, Tomo T, Ishida K, Nakata T, Hamel D, Dolley-Hitze T. HAEMODIALYSIS TECHNIQUES AND ADEQUACY 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu153] [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: 11/13/2022] Open
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Proletov I, Sipovskii V, Smirnov A, Hayashi N, Akiyama S, Okuyama H, Matsui Y, Fujimoto K, Atsumi H, Adachi H, Yamaya H, Maruyama S, Imai E, Matsuo S, Yokoyama H, Prasad N, Jaiswal A, Agarwal V, Yadav B, Rai M, Shin DH, Han IM, Moon SJ, Yoo TH, Faria B, Henriques C, Matos AC, Daha MR, Pestana M, Seelen M, Lundberg S, Carlsson MC, Leffler H, Pahlsson P, Segelmark M, Camilla R, Donadio ME, Loiacono E, Peruzzi L, Amore A, Chiale F, Vergano L, Gallo R, Boido A, Conrieri M, Bianciotto M, Bosetti FM, Mengozzi G, Puccinelli MP, Guidi C, Lastauka I, Coppo R, Nishiwaki H, Hasegawa T, Nagayama Y, Komukai D, Kaneshima N, Sasai F, Yoshimura A, Wang CL, Wei XY, Lv L, Jia NY, Vagane AM, Knoop T, Vikse BE, Reisaeter AV, Bjorneklett R, Mezzina N, Brunini F, Trezzi B, Gallieni M, D'Amico M, Stellato T, Santoro D, Ghiggeri GM, Radice A, Sinico RA, Kronbichler A, Kerschbaum J, Mayer G, Rudnicki M, Elena GS, Paula Jara CE, Jorge Enrique RR, Manuel P, Paek J, Hwang E, Park S, Caliskan Y, Aksoy A, Oztop N, Ozluk Y, Artan AS, Yazici H, Kilicaslan I, Sever MS, Yildiz A, Ihara K, Iimori S, Okado T, Rai T, Uchida S, Sasaki S, Stangou M, Bantis C, Skoularopoulou M, Toulkeridis G, Labropoulou I, Kasimatis S, Kouri NM, Papagianni A, Efstratiadis G, Mircescu G, Stancu S, Zugravu A, Petrescu L, Andreiana I, Taran L, Suzuki T, Iyoda M, Yamaguchi Y, Watanabe M, Wada Y, Matsumoto K, Shindo-Hirai Y, Kuno Y, Yamamoto Y, Saito T, Iseri K, Shibata T, Gniewek K, Krajewska M, Jakuszko K, Koscielska-Kasprzak K, Klinger M, Nunes AT, Ferreira I, Neto R, Mariz E, Pereira E, Frazao J, Praca A, Sampaio S, Pestana M, Kim HJ, Lee JE, Proletov I, Galkina O, Bogdanova E, Zubina I, Sipovskii V, Smirnov A, Oliveira CBL, Oliveira ASA, Carvalho CJB, Sette LHBC, Fernandes GV, Cavalcante MA, Valente LM, Ismail G, Andronesi A, Jurubita R, Bobeica R, Finocchietti D, Cantaluppi V, Medica D, Daidola G, Colla L, Besso L, Burdese M, Segoloni GP, Biancone L, Camussi G, Goto S, Nakai K, Ito J, Fujii H, Tasaki K, Suzuki T, Fukami K, Hara S, Nishi S, Hayami N, Ubara Y, Hoshino J, Takaichi K, Suwabe T, Sumida K, Mise K, Wang CL, Tian YQ, Wang H, Saganova E, Proletov I, Galkina O, Bogdanova E, Zubina I, Sipovskii V, Smirnov A, Stancu S, Mandache E, Zugravu A, Petrescu L, Avram A, Mircescu G, Angelini C, Reggiani F, Podesta MA, Cucchiari D, Malesci A, Badalamenti S, Laganovi M, Ars E, ivko M, eljkovic Vrki T, Cori M, Karanovi S, Torra R, Jelakovi B, Jia NY, Wang CL, Zhang YH, Nan L, Nagasawa Y, Yamamoto R, Shinzawa M, Hamahata S, Kida A, Yahiro M, Kuragano T, Shoji T, Hayashi T, Nagatoya K, Yamauchi A, Isaka Y, Nakanishi T, Ivkovic V, Premuzic V, Laganovic M, Dika Z, Kos J, Zeljkovic Vrkic T, Fistrek Prlic M, Zivko M, Jelakovic B, Gigliotti P, Leone F, Lofaro D, Papalia T, Mollica F, Mollica A, Vizza D, Perri A, Bonofilgio R, Meneses G, Viana H, Santos MC, Ferreira C, Calado J, Carvalho F, Remedio F, Nolasco F, Caliskan Y, Oztop N, Aksoy A, Ozluk Y, Artan AS, Turkmen A, Kilicaslan I, Yildiz A, Sever MS, Nagaraju SP, Kosuru S, Parthasarathy R, Bairy M, Prabhu RA, Guddattu V, Koulmane Laxminarayana SL, Oruc A, Gullulu M, Acikgoz E, Aktas N, Yildiz A, Gul B, Premuzic V, Laganovic M, Ivkovic V, Coric M, Zeljkovic Vrkic T, Fodor L, Dika Z, Kos J, Fistrek Prlic M, Zivko M, Jelakovic B, Bale CB, Dighe TA, Kate P, Karnik S, Sajgure A, Sharma A, Korpe J, Jeloka T, Ambekar N, Sadre A, Buch A, Mulay A, Merida E, Huerta A, Gutierrez E, Hernandez E, Sevillano A, Caro J, Cavero T, Morales E, Moreno JA, Praga M. PRIMARY AND SECONDARY GLOMERULONEPHRITIDES 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu151] [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] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Shiga Y, Sugimoto M, Iwabuchi T, Kawano Y, Oiwa Y, Watanabe H, Hariu K, Shimbori M, Umeda K, Otsutomo T, Morikawa H, Yamamoto R. 1124 Benefit of three-dimensional printing in robotic laparoscopic renal surgery: Tangible surgical navigation using a patient-based three-dimensional printed kidney. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/s1569-9056(14)61104-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Asahi Y, Noiri Y, Miura J, Maezono H, Yamaguchi M, Yamamoto R, Azakami H, Hayashi M, Ebisu S. Effects of the tea catechin epigallocatechin gallate on Porphyromonas gingivalis biofilms. J Appl Microbiol 2014; 116:1164-71. [PMID: 24471579 DOI: 10.1111/jam.12458] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [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: 11/11/2013] [Revised: 01/15/2014] [Accepted: 01/22/2014] [Indexed: 11/27/2022]
Abstract
AIMS The aim of this study was to investigate the effects of tea catechin epigallocatechin gallate (EGCg) on established biofilms and biofilm formation by Porphyromonas gingivalis, a major pathogen of periodontal disease. METHODS AND RESULTS Biofilm cell survival was measured using adenosine triphosphate (ATP) bioluminescence. In the presence of EGCg, the ATP level in cells of established biofilms was significantly decreased compared to the controls (P < 0·0001). Transmission electron microscopy revealed that EGCg damaged the cell membrane and cell wall of P. gingivalis. Confocal laser-scanning microscopy revealed that the proportion of dead cells was higher in biofilms treated with EGCg. Moreover, the effects of subminimal inhibitory concentrations (MICs) of EGCg on P. gingivalis biofilm formation were dose-dependent (P < 0·0001). CONCLUSION Our results suggest that EGCg destroys established P. gingivalis biofilms and inhibits biofilm formation. SIGNIFICANCE AND IMPACT OF THE STUDY Development of chemical control agents against oral biofilms is necessary, because oral biofilms can be only removed using mechanical debridement. This article indicates that EGCg may represent a novel antibiofilm agent that prevents infections involving bacterial biofilms such as periodontitis.
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Affiliation(s)
- Y Asahi
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
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Yamamoto R, Maruyama M, Hojo R, Inaga M, Nagashima Y, Sugimori N. The relationships between sleep disturbance among elementary school children and lifestyles of their family. Sleep Med 2013. [DOI: 10.1016/j.sleep.2013.11.753] [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] [Indexed: 11/29/2022]
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Onoda T, Yamamoto R, Sawamura K, Inoue Y, Murase H, Nambo Y, Tozaki T, Matsui A, Miyake T, Hirai N. Empirical growth curve estimation considering multiple seasonal compensatory growths of body weights in Japanese Thoroughbred colts and fillies. J Anim Sci 2013; 91:5599-604. [PMID: 24085406 DOI: 10.2527/jas.2013-6523] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Thoroughbred horses are seasonal mating animals, and their foals are born yearly in spring seasons. In northern regions or countries, the foals generally show a typical seasonal compensatory growth pattern, where their growth rate declines in winter and increases in the next spring. In this study, a new empirical approach is proposed to adjust for this compensatory growth when growth curve equations are estimated, by using BW of Japanese Thoroughbred colts and fillies raised in Hidaka, Hokkaido. Based on the traditional Richards growth curve equation, new growth curve equations were developed and fit to the weight-age data. The foals generally experience 2 major winter seasons before their debut in horseracing. The new equations had sigmoid subfunctions that can empirically adjust the first and second year compensatory growths, combined with the Richards biological parameter responsible for the maturity of animals. The unknown parameters included in the equations were estimated by SAS NLMIXED procedure. The goodness-of-fit was examined by using several indices of goodness-of-fit (i.e., Akaike's information criterion, Bayesian information criterion, -2 log likelihood, and residual sum of squares) for the multiple applications of the subfunctions. The indices indicated the best fit of the new equations including both subfunctions for the first and second compensatory growths to the weight-age data. The shapes of the growth curves were improved during the periods of compensatory growth. The proposed method is one of the useful approaches for adjusting multiple seasonal compensatory growths in growth curve estimations of Thoroughbreds and for the management of young horses during the compensatory periods.
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Affiliation(s)
- T Onoda
- Comparative Agricultural Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
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Hashino E, Kuboniwa M, Alghamdi SA, Yamaguchi M, Yamamoto R, Cho H, Amano A. Erythritol alters microstructure and metabolomic profiles of biofilm composed of Streptococcus gordonii and Porphyromonas gingivalis. Mol Oral Microbiol 2013; 28:435-51. [PMID: 23890177 DOI: 10.1111/omi.12037] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2013] [Indexed: 11/26/2022]
Abstract
The effects of sugar alcohols such as erythritol, xylitol, and sorbitol on periodontopathic biofilm are poorly understood, though they have often been reported to be non-cariogenic sweeteners. In the present study, we evaluated the efficacy of sugar alcohols for inhibiting periodontopathic biofilm formation using a heterotypic biofilm model composed of an oral inhabitant Streptococcus gordonii and a periodontal pathogen Porphyromonas gingivalis. Confocal microscopic observations showed that the most effective reagent to reduce P. gingivalis accumulation onto an S. gordonii substratum was erythritol, as compared with xylitol and sorbitol. In addition, erythritol moderately suppressed S. gordonii monotypic biofilm formation. To examine the inhibitory effects of erythritol, we analyzed the metabolomic profiles of erythritol-treated P. gingivalis and S. gordonii cells. Metabolome analyses using capillary electrophoresis time-of-flight mass spectrometry revealed that a number of nucleic intermediates and constituents of the extracellular matrix, such as nucleotide sugars, were decreased by erythritol in a dose-dependent manner. Next, comparative analyses of metabolites of erythritol- and sorbitol-treated cells were performed using both organisms to determine the erythritol-specific effects. In P. gingivalis, all detected dipeptides, including Glu-Glu, Ser-Glu, Tyr-Glu, Ala-Ala and Thr-Asp, were significantly decreased by erythritol, whereas they tended to be increased by sorbitol. Meanwhile, sorbitol promoted trehalose 6-phosphate accumulation in S. gordonii cells. These results suggest that erythritol has inhibitory effects on dual species biofilm development via several pathways, including suppression of growth resulting from DNA and RNA depletion, attenuated extracellular matrix production, and alterations of dipeptide acquisition and amino acid metabolism.
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Affiliation(s)
- E Hashino
- Department of Preventive Dentistry, Osaka University Graduate School of Dentistry, Suita-Osaka, Japan
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El Minshawy O, Ghabrah T, Hamza A, Fadl A, Adam M, El Bassuoni E, Saran R, Tilea A, Sands R, Kiser M, Han SW, Stack A, Finkelstein F, Eisele G, Kotanko P, Levin N, Gillespie B, Krane V, Bhuvanakrishna T, Burnapp L, Hilton R, Sibley-Allen C, Blake G, Goldsmith D, Taylor-Stokes G, Ozbay AB, Sayers J, Marx SE, Yanai M, Okada K, Takeuchi K, Matsuyama K, Nitta K, Takahashi S, Delanaye P, Cavalier E, Moranne O, Lutteri L, Bruyere O, Krzesinski JM, Silverwood RJ, Richards M, Pierce M, Hardy R, Sattar N, Ferro C, Savage C, Kuh D, Nitsch D, Shin JH, Kim SH, Yu SH, Oberdhan D, Krasa HB, Cheng R, Hays RD, Chapman A, Perrone R, Cole JC, Tilea A, Hedgeman E, Steffick D, Rein-Weston A, Banerjee T, Powe N, Rios-Burrows N, Williams D, Saran R, Nagasawa Y, Yamamoto R, Shinzawa M, Hasuike Y, Kuragano T, Rakugi H, Isaka Y, Nakanishi T, Iseki K, Yamagata K, Tsuruya K, Yoshida H, Fujimoto S, Asahi K, Watanabe T, Moriyama T, Warren S, Rutherford P, Van Den Bosch J, Kusztal M, Trafidlo E, Madziarska K, Augustyniak-Bartosik H, Golebiowski T, Krajewska M, Rymaszewska J, Weyde W, Klinger M, Sato Y, Fujimoto S, Konta T, Iseki K, Moriyama T, Yamagata K, Tsuruya K, Yoshida H, Asahi K, Kurahashi I, Ohashi Y, Watanabe T, Elsayed I, Khwaja A, Siddall S, Mortimer F, Ando M, Hara M, Tsuchiya K, Nitta K, Hiwatashi A, Hagiwara M, Tsuruoka S, Usui J, Nagai K, Kai H, Morito N, Saito C, Yoh K, Hosojima M, Saito A, Yamagata K, Stack AG, Chernenko T, Abdalla AA, Saran R, Nguyen HT, Hedgeman E, Hannigan A, Casserly LF, Abd ElHafeez S, Gad Z, Sallam S, Tripepi G, Zoccali C, ElWakil H, Awad N, Sestigiani E, Tedesco D, Mandreoli M, Ubaldi G, Olmeda F, Monti M, Rucci P, Gibertoni D, Santoro A, Zaza G, Bernich P, Lupo A, Rogacev KS, Seiler S, Zawada AM, Fliser D, Heine GH, Douros A, Schaeffner E, Jakob O, Kreutz R, Ebert N, Gerasimovska Kitanovska B, Bogdanovska S, Severova Andreevska G, Gerasimovska V, Sikole A, Rakov V, Schiepe F, Rutkowski B, Zdrojewski T, Bandosz P, Zdrojewski L, Rutkowski M, Gaciong Z, Solnica B, Jedrzejczyk T, Krol E, Wyrzykowski B, Nacak H, van Diepen M, de Goeij MCM, Dekker FW, Suzuki K, Konta T, Kamei K, Sato H, Kudo K, Nagasawa A, Ichikawa K, Kubota I, Clavero R, Vasquez N, Tapia B, Aldunate T, Heleniak Z, Cieplinska M, Pryczkowska M, Szychlinski T, Bartosinska E, Wiatr H, Kotlowska H, Tylicki L, Rutkowski B, So B, Methven S, Hair MD, Jardine AG, MacGregor MS, Jankowski V, Schulz A, Zidek W, Jankowski J, Holmar J, Fridolin I, Uhlin F, Luman M, Fernstrom A, Rodriguez I, Ortega O, Hinostroza J, Cobo G, Gallar P, Mon C, Herrero JC, Ortiz M, Di Giogia C, Oliet A, Vigil A, Premuzic V, Vrdoljak A, Fucek M, Karanovic S, Vukovic-Lela I, Kos J, Fistrek M, Dika Z, Cvitkovic A, Juric D, Laganovic M, Rogic D, Katalinic L, Jelakovic B, Vrdoljak A, Fucek M, Premuzic V, Karanovic S, Vukovic Lela I, Kos J, Fistrek M, Cvitkovic A, Jelakovic B, Deger SM, Onec K, Derici UB, Guz G, Ozturk MA, Sindel S, Arinsoy T, Hojs N, Bevc S, Hojs R, Ekart R, Koycheva R, Cholakov V, Penev M, Andreev J, Iliev R, Macia M, Jarque A, del Castillo N, Mendez ML, Martin JA, Tevar E, Bermudez C, NasrAllah MM, Osman N, Osanlou O, Greer AB, Morgan H, Archer T, Ryan N, Khalil A, Ahmed S, Melemadathil S, Ashok AV, El-Wakil HS, Asaad SH, Nawar MM, Adam AG, Abdel-Gawad MM. Epidemiology - renal outcomes. Nephrol Dial Transplant 2013; 28:i140-i154. [DOI: 10.1093/ndt/gft109] [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: 09/02/2023] Open
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Yamamoto R, Murakoshi H, Yamashita Y, Ejima Y, Yoshida S, Motoyama S. Heterotopic pregnancy diagnosed before the onset of severe symptoms: case report. CLIN EXP OBSTET GYN 2013; 40:445-447. [PMID: 24283186] [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: 06/02/2023]
Abstract
BACKGROUND A heterotopic pregnancy (HP) is an extremely rare disease that represents the simultaneous occurrence of two or more implantation sites in the uterus and extrauterus. Early diagnosis of HP is difficult because of the presence of an intrauterine pregnancy (IUP). In most cases, a precise diagnosis was made after symptoms develop through the rupture or bleeding of the ectopic pregnancy (EP). The authors present a case that was successfully diagnosed as an undemonstrative HP. CASE A 24-year-old multiparous woman became pregnant after taking clomiphene citrate. At ten weeks of pregnancy, an ultrasonography revealed gestational sacs containing fetuses in the uterus and the right adnexal region, respectively. The patient was diagnosed as having a HP and an emergency right tubal resectomy was performed. The IUP progressed normally and the fetus was delivered at 37 weeks of pregnancy. DISCUSSION Even if a gestational sac can be confirmed in the uterus, a careful ultrasonographic examination should always be considered to determine the presence of a concurrent extrauterine pregnancy.
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Affiliation(s)
- R Yamamoto
- Department of Obstetrics and Gynecology, Chibune General Hospital, Osaka, Japan
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Kimura M, Suzuki K, Fujii Y, Yamamoto R, Shibutani M, Mitsumori K. Gingival rhabdomyosarcoma accompanied by an immature myogenic population immunoreactive for α-smooth muscle actin in a dog. J Comp Pathol 2012; 149:48-52. [PMID: 23273582 DOI: 10.1016/j.jcpa.2012.11.233] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 09/30/2012] [Accepted: 11/12/2012] [Indexed: 11/17/2022]
Abstract
A 3-year-old female shih tzu was presented with a white to dark red mass arising from the gingiva. Because of the rapid and invasive growth of the mass, the dog was humanely destroyed. Microscopically, round to polygonal anaplastic cells with strongly eosinophilic cytoplasm grew in an alveolar pattern separated by fibrous stroma. Mitotic figures were numerous. Multinucleated cells and 'strap cells' were observed, but cross striation and glycogen accumulation were absent. Immunohistochemically, the tumour cells were positive for vimentin, desmin, muscle-specific actin and MyoD1, and a small number of tumour cells were positive for α-smooth muscle actin (α-SMA). Based on the morphological and immunohistochemical features, the gingival mass was diagnosed as alveolar rhabdomyosarcoma accompanied by α-SMA-positive immature myogenic cells.
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Affiliation(s)
- M Kimura
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology, Tokyo, Japan
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Yamamoto R, Ueta Y, Sugai T, Kato N. A serotonergic discrimination favoring synaptic inputs that accompany robust spike firing in lateral amygdala neurons. Neuroscience 2012; 220:119-30. [PMID: 22698688 DOI: 10.1016/j.neuroscience.2012.06.008] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 05/30/2012] [Accepted: 06/04/2012] [Indexed: 11/26/2022]
Abstract
The amygdala and serotonergic innervations thereunto are considered to cooperatively modulate affective behaviors. By whole-cell recording, the present study examined effects of serotonin (5-HT) on synaptic transmission in the rat basolateral amygdala (BLA) complex, which is the amygdalar entrance for sensory information. Application of 5-HT-attenuated excitatory postsynaptic currents at synapses from the lateral amygdala (LA) to the BLA proper, and also at synapses from putative thalamic afferents to LA principal neurons, both depending on 5-HT(2) receptors. This reduction of synaptic responses was confirmed in the BLA under current clamp. In the LA, by contrast, synaptic potentials were not reduced, but enhanced by 5-HT. With 5-HT bath-applied, a prolonged depolarization was induced in LA neurons by strong synaptic stimulation, which appears similar to a slow after-depolarization (sADP) induced by injecting depolarizing currents. Occurrence of such current-induced sADP was confirmed in LA neurons. Both the synaptically-activated prolonged depolarization and the current-induced sADPs depended on 5-HT(2) receptor activation and postsynaptic calcium increase, suggesting that the same postsynaptic intrinsic mechanisms are involved. Reduction of potassium currents was identified as a major ionic mechanism for this sADPs. We thus revealed that 5-HT usually reduces overall synaptic transmission in the whole BLA complex, but enables sADPs to occur, thereby increasing synaptic responsiveness of LA neurons in a positive feedback manner. With this duality of 5-HT actions in operation, a weak input to the BLA complex would be usually eliminated, but could be selected were it associated with sufficiently large depolarization.
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Affiliation(s)
- R Yamamoto
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan
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Miyazaki N, Matsumoto J, Alberici F, Palmisano A, Maritati F, Oliva E, Buzio C, Vaglio A, Mjoen G, Norby GE, Vikse BE, Svarstad E, Rune B, Knut A, Szymczak M, Kuzniar J, Kopec W, Marchewka Z, Klinger M, Arrizabalaga P, Silvarino R, Sant F, Espinosa G, Sole M, Cervera R, Gude D, Chennamsetty S, Demin A, Kozlov V, Lisukov I, Kotova O, Sizikov A, Sergeevicheva V, Demina L, Borjesson O, Wendt M, Avik A, Qureshi AR, Bratt J, Miller EJ, Gunnarsson I, Bruchfeld A, Sugiyama K, Hasegawa M, Yamamoto K, Hayashi H, Koide S, Murakami K, Tomita M, Yoshida S, Yuzawa Y, Yew S, Jayne D, Westman K, Hoglund P, Flossman O, Mahr A, Luqmani R, Robson J, Thervet E, Levi C, Guiard E, Roland M, Nochy D, Daniliuc C, Guillevin L, Mouthon L, Jacquot C, Karras A, Kimura Y, Morita H, Debiec H, Yamada H, Miura N, Banno S, Ronco P, Imai H, Shin DH, Famee D, Koo HM, Han SH, Choi KH, Yoo TH, Kang SW, Fofi C, Fofi C, Scabbia L, Festuccia F, Stoppacciaro A, Mene' P, Shimizu A, Fukui M, MII A, Kaneko T, Masuda Y, Iino Y, Katayama Y, Fukuda Y, Kuroki A, Matsumoto K, Akizawa T, Jurubita R, Ismail G, Bobeica R, Rusu E, Zilisteanu D, Andronesi A, Motoi O, Ditoiu V, Copaci I, Voiculescu M, Irazabal MV, Eirin A, Lieske JC, Beck LH, Dillon JJ, Nachman PH, Sethi S, Erickson SB, Cattran DC, Fervenza FC, Svobodova B, Hruskova Z, Janatkova I, Jancova E, Tesar V, Seo MS, Kwon SH, Lee EB, You JY, Hyun YK, Woo SA, Park MY, Choi SJ, Jeon JS, Noh H, Kim JG, Han DC, Hwang SD, Choi TY, Jin SY, Kwon SH, Loiacono E, Loiacono E, Defedele D, Puccinelli MP, Camilla R, Gallo R, Peruzzi L, Rollino C, Beltrame G, Ferro M, Vergano L, Campolo F, Amore A, Coppo R, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Teranishi J, Yamamoto R, Nagasawa Y, Shoji T, Iwatani H, Okada N, Moriyama T, Yamauchi A, Tsubakihara Y, Imai E, Rakugi H, Isaka Y, Koo HM, Doh FM, Kim SJ, Kang SW, Choi KH, Han DS, Han SH, Suzuki Y, Matsuzaki K, Suzuki H, Okazaki K, Yanagawa H, Maiguma M, Muto M, Sato T, Horikoshi S, Novak J, Hotta O, Tomino Y, Gutierrez* E, Zamora I, Ballarin J, Arce Y, Jimenez S, Quereda C, Olea T, Martinez-Ara J, Segarra A, Bernis C, Garcia A, Goicoechea M, Garcia de Vinuesa S, Rojas J, Praga M, Ristovska V, Petrushevska G, Grcevska L, Knoop T, Vikse BE, Svarstad E, Bostad L, Leivestad T, Bjorneklett R, Satake K, Shimizu Y, Mugitani N, Suzuki H, Suzuki Y, Horikoshi S, Honda S, Shibuya K, Shibuya A, Tomino Y, Papale M, Rocchetti MT, DI Paolo S, Suriano IV, D'apollo A, Vocino G, Montemurno E, Varraso L, Grandaliano G, Gesualdo L, Huerta A, Bomback AS, Canetta PA, Radhakrishnan J, Herlitz L, Stokes B, D'agati V, Markowitz G, Appel GB, Ristovska V, Grcevska L, Mouna H, Nasr BD, Mrabet I, Ahmed L, Sabra A, Mohamed Ammeur F, Mezri E, Habib S, Innocenti M, Pasquariello A, Pasquariello G, Mattei P, Bottai A, Fumagalli G, Bozzoli L, Samoni S, Cupisti A, Caldin B, Hung J, Repizo L, Malheiros DM, Barros R, Woronik V, Giammarresi C, Bono L, Ferrantelli A, Tortorici C, Licavoli G, Rotolo U, Huang X, Wang Q, Shi M, Chen W, Liu Z, Scarpioni R, Cantarini L, Lazzaro A, Ricardi M, Albertazzi V, Melfa L, Concesi C, Vallisa D, Cavanna L, Gungor G, Ataseven H, Demir A, Solak Y, Biyik M, Ozturk B, Polat I, Kiyici A, Ozer Cakir O, Polat H, Martinez-Ara J, Castillo I, Carreno V, Aguilar A, Madero R, Hernandez E, Bernis C, Bartolome J, Gea F, Selgas R, El Aggan HAM, El Banawy HS, Wagdy E, Tchebotareva N, LI O, Bobkova I, Kozlovskaya L, Varshavskiy V, Golicina E, Chen Y, Gong Z, Chen X, Tang L, Zhou J, Cao X, Wei R, Koo EH, Koo EH, Park JH, Kim HK, Kim MS, Jang HR, Lee JE, Huh W, Kim DJ, Oh HY, Kim YG, Tchebotareva N, Bobkova I, Kozlovskaya L, LI O, Eskova O, Shvetsov M, Golytsina E, Varshavskiy V, Popova O, Quaglia M, Monti S, Fenoglio R, Menegotto A, Airoldi A, Izzo C, Rizzo MA, Dianzani U, Stratta P, Vaglio A, Vaglio A, Alberici F, Gianfreda D, Buzio C. Primary and secondary glomerulonephritis I. Nephrol Dial Transplant 2012. [DOI: 10.1093/ndt/gfs223] [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] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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