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Yasui H, Okita Y, Nakamura M, Sagawa T, Watanabe T, Kataoka K, Manaka D, Shiraishi K, Akazawa N, Okuno T, Shimura T, Shiozawa M, Sunakawa Y, Ota H, Kotaka M, Okuyama H, Takeuchi M, Ichikawa W, Fujii M, Tsuji A. Ramucirumab plus FOLFIRI as second-line treatment for patients with RAS wild-type metastatic colorectal cancer previously treated with anti-EGFR antibody: JACCRO CC-16. ESMO Open 2023; 8:101636. [PMID: 37703596 PMCID: PMC10594013 DOI: 10.1016/j.esmoop.2023.101636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND Chemotherapy in combination with anti-epidermal growth factor receptor (EGFR) antibody is considered a first-line treatment regimen for RAS wild-type and left-sided metastatic colorectal cancer (mCRC), whereas second-line treatment regimens have not yet been established. Few studies have prospectively evaluated second-line treatment with anti-vascular endothelial growth factor antibody after first-line anti-EGFR antibody therapy for RAS wild-type mCRC. PATIENTS AND METHODS This non-randomized phase II trial investigated the clinical outcomes of second-line ramucirumab (RAM) plus fluorouracil, levofolinate, and irinotecan (FOLFIRI) after first-line anti-EGFR antibody in combination with doublet or triplet regimen in patients with RAS wild-type mCRC. The primary endpoint was the 6-month progression-free survival (PFS) rate. The secondary endpoints were PFS, overall survival (OS), objective response rate (ORR), rate of early tumor shrinkage (ETS), and safety. We hypothesized a threshold 6-month PFS rate of 30% and an expected 6-month PFS rate of 45%. Treatment was considered effective if the lower limit of the 90% confidence interval (CI) of the 6-month PFS rate was >0.30. RESULTS Ninety-two patients were enrolled in the study. The primary tumor was located on the left side in 86 (95.6%) patients. Twenty (22.0%) patients had received triplet plus cetuximab as previous therapy. Six-month PFS rate was 58.2% (90% CI 49.3% to 66.2%) with a median PFS of 7.0 months (95% CI 5.7-7.6 months). Median OS was 23.6 months (95% CI 16.5-26.3 months). The ORR and ETS rate were 10.7% and 16.9%, respectively, in 83 patients with measurable lesions. The 6-month PFS rate was comparable between patients previously treated with doublet and triplet regimens; however, median PFS was longer for the doublet regimen (7.4 versus 6.4 months, P = 0.036). CONCLUSIONS Our study demonstrated prospectively that RAM plus FOLFIRI is an effective second-line treatment after anti-EGFR antibody-containing first-line therapy in RAS wild-type and left-sided mCRC. Furthermore, the results were similar for patients who were previously treated with triplet regimen.
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Affiliation(s)
- H Yasui
- Department of Medical Oncology, Kobe City Medical Center General Hospital, Kobe
| | - Y Okita
- Department of Clinical Oncology, Faculty of Medicine, Kagawa University, Kita-gun
| | - M Nakamura
- Aizawa Comprehensive Cancer Center, Aizawa Hospital, Matsumoto
| | - T Sagawa
- Department of Gastroenterology, National Hospital Organization Hokkaido Cancer Center, Sapporo
| | - T Watanabe
- Department of Surgery, Japanese Red Cross Society Himeji Hospital, Himeji
| | - K Kataoka
- Division of Lower GI, Department of Gastroenterological Surgery, Hyogo Medical University, Nishinomiya
| | - D Manaka
- Department of Surgery, Gastro-Intestinal Center, Kyoto Katsura Hospital, Kyoto
| | - K Shiraishi
- Department of Medical Oncology, National Hospital Organization Nagoya Medical Center, Nagoya
| | - N Akazawa
- Department of Gastroenterological Surgery, Sendai City Medical Center Sendai Open Hospital, Sendai
| | - T Okuno
- Department of Medical Oncology, Osaka Rosai Hospital, Sakai
| | - T Shimura
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, Nagoya
| | - M Shiozawa
- Department of Gastrointestinal Surgery, Kanagawa Cancer Center, Yokohama
| | - Y Sunakawa
- Department of Clinical Oncology, St. Marianna University School of Medicine, Kawasaki
| | - H Ota
- Department of Gastroenterological Surgery, Ikeda City Hospital, Ikeda
| | - M Kotaka
- Gastrointestinal Cancer Center, Sano Hospital, Kobe
| | - H Okuyama
- Department of Clinical Oncology, Faculty of Medicine, Kagawa University, Kita-gun
| | - M Takeuchi
- Graduate School of Mathematical Sciences, The University of Tokyo, Meguro-ku
| | - W Ichikawa
- Division of Medical Oncology, Showa University Fujigaoka Hospital, Yokohama
| | - M Fujii
- Department of Digestive Surgery, Nihon University School of Medicine, Itabashi-ku, Japan
| | - A Tsuji
- Department of Clinical Oncology, Faculty of Medicine, Kagawa University, Kita-gun.
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Okita Y, Okuyama H, Murakami A, Nomura K, Kita I, Tsukamoto S, Nishiuchi T, Tsuji A. 57P Two cases of adult rhabdomyosarcoma of the head and neck successfully treated with pazopanib. ESMO Open 2023. [DOI: 10.1016/j.esmoop.2023.101094] [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: 04/05/2023] Open
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3
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Takahashi J, Okuyama H, Kiyoshi T, Takeuchi T, Martin SJ. Origins of Vespa velutina hornets that recently invaded Iki Island, Japan and Jersey Island, UK. Mitochondrial DNA A DNA Mapp Seq Anal 2018; 30:434-439. [PMID: 30489182 DOI: 10.1080/24701394.2018.1538366] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The native distribution of the yellow-legged hornet, Vespa velutina, is throughout East Asia. Around 15 years ago this species was accidentally introduced into South Korea and France, where it became established and then spread into neighbouring countries. Previous mitochondrial DNA studies showed that the South Korean, Japanese, and French populations all originated from Eastern China. Recently, the hornet has invaded Iki Island, Japan and Jersey Island, UK. In this study, we analyze the complete mitochondrial DNA sequence of V. velutina to trace the origin of these two populations. The mitochondrial DNA haplotypes (COI, Cytb, and 16S rRNA) of V. velutina in Iki Island matched the unique haplotype present in China, South Korea, and Japan, while the haplotype from Jersey Island matched that of V. velutina found in France and China. These findings were supported by data from the complete mitochondrial DNA sequence of V. velutina from Iki Island, which was consistent with the sequence from South Korea and Tsushima, whereas V. velutina in Jersey was most similar to the French population.
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Affiliation(s)
- J Takahashi
- a Faculty of Life Sciences , Kyoto Sangyo University , Kyoto , Japan
| | - H Okuyama
- a Faculty of Life Sciences , Kyoto Sangyo University , Kyoto , Japan
| | - T Kiyoshi
- b Department of Zoology , National Museum of Nature and Science , Tsukuba , Japan
| | - T Takeuchi
- a Faculty of Life Sciences , Kyoto Sangyo University , Kyoto , Japan
| | - S J Martin
- c School of Environment and Life Sciences, The University of Salford , Manchester , UK
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Ueno T, Wada M, Hoshino K, Matsuura T, Okajima H, Okuyama H. Impact of Donor Age on Outcome of Intestinal Transplantation in Japan. Transplant Proc 2018; 50:2775-2778. [PMID: 30401396 DOI: 10.1016/j.transproceed.2018.04.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/25/2018] [Accepted: 04/09/2018] [Indexed: 01/10/2023]
Abstract
BACKGROUND Donor age for intestinal transplantation (ITx) is somewhat younger than that for other solid organs. Clear criteria for adequate donors have not been established. There is a donor scarcity for ITx in Japan due to the shortage of young donors. METHODS We reviewed outcomes associated with ITx in Japan based on donor age for cadaveric and living donation. RESULTS Standardized report forms were sent to all known ITx programs, asking for information on ITxs performed between 1996 and 2016. All programs responded. Patient and graft survival estimates were obtained using the Kaplan-Meier method. Five institutions provided data on 27 grafts in 24 patients. There were 14 cadaveric and 13 living donor transplants. Median donor age for ITxs was 40 (range, 17-60) years. Graft survival at 5 years was 66% for patients >40 years old (n = 18) and 47% for those <40 years old (n = 9), not a statistically significant difference (P = .49). Graft survival at 5 years was 60% in those >50 years old (n = 5) and 57% for those <50 years old (n = 22), again not a significant difference (P = .27). CONCLUSION There is no difference in survival between for those with donor age <40 vs >40 years. Donor age for ITx can be extended from >40 to up to 50 years, which may help to mitigate the donor shortage. It will be necessary to clarify the donor criteria for ITx through accumulation of further data on ITx.
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Affiliation(s)
- T Ueno
- Department of Pediatric Surgery, Osaka University, Osaka, Japan.
| | - M Wada
- Department of Pediatric Surgery, Tohoku University, Miyagi, Japan
| | - K Hoshino
- Department of Pediatric Surgery, Keio University, Tokyo, Japan
| | - T Matsuura
- Department of Pediatric Surgery, Kyushu University, Fukuoka, Japan
| | - H Okajima
- HBP Surgery/Transplantation, Kyoto University, Kyoto, Japan
| | - H Okuyama
- Department of Pediatric Surgery, Osaka University, Osaka, Japan
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5
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Ueno T, Wada M, Hoshino K, Matsuura T, Ida S, Okuyama H. Three-Year Prospective Follow-up of Potential Pediatric Candidate for Intestinal Transplantation. Transplant Proc 2018; 50:2779-2782. [DOI: 10.1016/j.transproceed.2018.03.067] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/06/2018] [Indexed: 11/16/2022]
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6
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Ueno T, Hiwatashi S, Saka R, Yamanaka H, Takama Y, Tazuke Y, Bessho K, Kogaki S, Yonekura T, Okuyama H. Pulmonary Arterial Pressure Management Based on Oral Medicine for Pediatric Living Donor Liver Transplant With Portopulmonary Hypertension. Transplant Proc 2018; 50:2614-2618. [PMID: 30318105 DOI: 10.1016/j.transproceed.2018.03.068] [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: 01/19/2018] [Accepted: 03/02/2018] [Indexed: 11/25/2022]
Abstract
Pediatric living donor liver transplantation (LDLT) in patients with advanced portopulmonary hypertension (PoPH) is associated with poor prognoses. Recently, novel oral medications, including endothelin receptor antagonists (ERAs), phosphodiesterase 5 (PDE5) inhibitors, and oral prostacyclin (PGI2) have been used to treat PoPH. Pediatric patients with PoPH who underwent LDLT from 2006 to 2016 were enrolled. Oral pulmonary hypertension (PH) medication was administered to control pulmonary arterial pressure (PAP). Four patients had PoPH. Their ages ranged from 6 to 16 years, and their original diseases were biliary atresia (n = 2), portal vein obstruction (n = 1), and intrahepatic portal systemic shunt (n = 1). For preoperative management, 2 patients received continuous intravenous PGI2 and 2 oral medications (an ERA alone or an ERA and a PDE5 inhibitor), and 2 received only oral drugs (an ERA and a PDE5 inhibitor). One patient managed only with intravenous PGI2 died. In the remaining 3 cases, intravenous PGI2 or NO was discontinued before the end of the first postoperative week. Postoperative medications were oral PGI2 alone (n = 1), an ERA alone (n = 1), or the combination of an ERA and a PDE5 inhibitor (n = 1). An ERA was the first-line therapy, and a PDE5 inhibitor was added if there was no effect. New oral PH medications were effective and safe for use in pediatric patients following LDLT. In particular, these new oral drugs prevent the need for central catheter access to infuse PGI2.
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Affiliation(s)
- T Ueno
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan.
| | - S Hiwatashi
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - R Saka
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - H Yamanaka
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - Y Takama
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - Y Tazuke
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - K Bessho
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Japan
| | - S Kogaki
- Department of Pediatrics, Osaka University Graduate School of Medicine, Suita, Japan
| | - T Yonekura
- Department of Pediatric Surgery, Kindai University Nara Hospital, Ikoma, Japan
| | - H Okuyama
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
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Okuyama H, Ikeda M, Okusaka T, Furuse J, Furukawa M, Ohkawa S, Hosokawa A, Kojima Y, Yamaguchi K, Murohisa G, Shioji K, Ishii H, Mizuno N, Kojima M, Yamanaka T. A phase II study of everolimus in patients with unresectable pancreatic neuroendocrine carcinoma refractory or intolerant to platinum-containing chemotherapy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy293.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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8
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Nakanishi Y, Ikebuchi R, Chtanova T, Kusumoto Y, Okuyama H, Moriya T, Honda T, Kabashima K, Watanabe T, Sakai Y, Tomura M. Regulatory T cells with superior immunosuppressive capacity emigrate from the inflamed colon to draining lymph nodes. Mucosal Immunol 2018; 11:437-448. [PMID: 28766553 DOI: 10.1038/mi.2017.64] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 06/03/2017] [Indexed: 02/04/2023]
Abstract
Foxp3+ Regulatory T cells (Tregs) play a critical role in the maintenance of colon homeostasis. Here we utilized photoconvertible KikGR mice to track immune cells from the caecum and ascending (proximal) colon in the steady state and DSS-induced colitis. We found that Tregs from the proximal colon (colonic migratory Tregs) migrated exclusively to the distal part of mesenteric lymph nodes (dMLN) in an S1PR1-dependent process. In the steady state, colonic migratory CD25+ Tregs expressed higher levels of CD103, ICOS, LAG3 and CTLA-4 in comparison with pre-existing LN Tregs. Intestinal inflammation led to accelerated Treg replacement in the colon, bidirectional Treg migration from the colon to dMLN and vice versa, as well as increases in Treg number, proliferation and expression of immunosuppressive molecules. This was especially apparent for CD25 very high Tregs induced in colitis. Furthermore, colonic migratory Tregs from the inflamed colon included more interleukin (IL)-10 producing cells, and demonstrated greater inhibition of T-cell proliferation in comparison with pre-existing LN Tregs. Thus, our results suggest that Tregs with superior immunosuppressive capacity are increased both in the colon and dMLN upon inflammation. These Tregs recirculate between the colon and dMLN, and are likely to contribute to the downregulation of intestinal inflammation.
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Affiliation(s)
- Y Nakanishi
- Center for Innovation in Immunoregulative Technology and Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan.,Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - R Ikebuchi
- Center for Innovation in Immunoregulative Technology and Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan.,Research Fellow of Japan Society for the Promotion of Science, Japan
| | - T Chtanova
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales Sydney, Darlinghurst, New South Wales, Australia
| | - Y Kusumoto
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan
| | - H Okuyama
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan
| | - T Moriya
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan
| | - T Honda
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - T Watanabe
- The Tazuke-Kofukai Medical Research Institute/Kitano Hospital, Kita-ku, Osaka, Japan
| | - Y Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - M Tomura
- Center for Innovation in Immunoregulative Technology and Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka, Japan
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9
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Tanaka N, Ueno T, Takama Y, Yamanaka H, Tazuke Y, Bessho K, Okuyama H. Fibroadenoma in adolescent females after living donor liver transplantation. Pediatr Transplant 2017; 21. [PMID: 28556594 DOI: 10.1111/petr.12947] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/28/2017] [Indexed: 11/29/2022]
Abstract
Breast FA is the most common breast tumor diagnosed in young women. Female renal transplant recipients on CsA have an increased risk of developing FA. However, reports of FA after LDLT have not been described. Our objectives were to determine the incidence of FA, analyze risk factors for FA, and evaluate treatment strategies in adolescent females after LDLT. A total of 18 female patients aged 10-19 years who underwent LDLT and survived at least one year after transplantation were enrolled in our study. The incidence of FA was 11.1%. To determine pre- or post-transplant conditions that are associated with FA after transplantation, the patients were divided into two groups according to the presence or absence of FA: FA group (n=2) and non-FA group (n=16). There were no differences in mean age at LDLT, mean age at breast evaluation, and mean duration between transplantation and breast evaluation between the two groups. However, there was a difference in the immunosuppressive regimen between the two groups. The FA group was maintained on CsA, whereas the non-FA group was maintained on tacrolimus. CsA might be implicated in FA development in adolescent females after LDLT.
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Affiliation(s)
- N Tanaka
- Pediatric Surgery, Hyogo Ika Daigaku, Nishinomiya, Hyogo
| | - T Ueno
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka
| | - Y Takama
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka
| | - H Yamanaka
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka
| | - Y Tazuke
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka
| | - K Bessho
- Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - H Okuyama
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka
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10
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Ueno T, Zenitani M, Yamanaka H, Tanaka N, Uehara S, Tazuke Y, Bessho K, Okuyama H. Impact of Donor-Specific Antibodies on Graft Fibrosis After Pediatric Living Donor Liver Transplantation for Biliary Atresia. Transplant Proc 2017; 48:1095-9. [PMID: 27320565 DOI: 10.1016/j.transproceed.2016.02.011] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/04/2016] [Accepted: 02/04/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND Pediatric living donor liver transplant (LDLT) patients sometimes develop graft fibrosis after non-recurrent diseases such as biliary atresia (BA). Donor-specific antibodies (DSA) have recently been shown to play a possible role in graft damage after liver transplantation. We report the impact of DSA on pediatric LDLT for BA patients. METHODS Patients under age 18 years who received LDLT for BA at our institution and who had at least 5 years' follow-up were identified, and 23 were eventually enrolled in this study. Pathological findings were assessed with the use of the last available biopsy. Patients were divided into 2 groups, DSA-positive and DSA-negative. Graft fibrosis after LDLT was assessed according to DSA groups. RESULTS The mean patient age at transplant was 2.6 years. The mean time to the last available biopsy after LDLT was 8.2 years (4.8-15.6 years); 6 patients (26%) showed no fibrosis, whereas fibrosis was graded as F1, F2, or F3 in 8 patients (35%), 8 patients (35%), and 1 patient, respectively. DSA were observed in 12 patients (52%). Moderate graft fibrosis (F2 and F3) was found in 7 (58%) of the DSA-positive group, but only 2 (18%) of the DSA-negative group, showing a statistically significant difference (P < .05). Pre-transplant cross-matching was performed in 17 patients. The 2 patients with a positive cross-match were DSA-positive. Six cross-match-negative patients developed de novo DSA after LDLT. CONCLUSIONS Graft fibrosis was observed after LDLT for BA during long-term follow-up, more commonly in DSA-positive patients. DSA may play a role in fibrosis formation.
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Affiliation(s)
- T Ueno
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan.
| | - M Zenitani
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - H Yamanaka
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - N Tanaka
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - S Uehara
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - Y Tazuke
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
| | - K Bessho
- Pediatrics, Osaka University Graduate School of Medicine, Suita, Japan
| | - H Okuyama
- Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Japan
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11
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Eguchi H, Maeda A, Lo PC, Matsuura R, Esquivel EL, Asada M, Sakai R, Nakahata K, Yamamichi T, Umeda S, Deguchi K, Ueno T, Okuyama H, Miyagawa S. HLA-G1, but Not HLA-G3, Suppresses Human Monocyte/Macrophage-mediated Swine Endothelial Cell Lysis. Transplant Proc 2017; 48:1285-7. [PMID: 27320605 DOI: 10.1016/j.transproceed.2015.10.070] [Citation(s) in RCA: 5] [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: 09/08/2015] [Accepted: 10/03/2015] [Indexed: 11/16/2022]
Abstract
The inhibitory function of HLA-G1, a class Ib molecule, on monocyte/macrophage-mediated cytotoxicity was examined. The expression of inhibitory receptors that interact with HLA-G, immunoglobulin-like transcript 2 (ILT2), ILT4, and KIR2DL4 (CD158d) on in vitro-generated macrophages obtained from peripheral blood mononuclear cells and the phorbol 12-myristate 13-acetate (PMA)-activated THP-1 cells were examined by flow cytometry. cDNAs of HLA-G1, HLA-G3, HLA-E, and human β2-microglobulin were prepared, transfected into pig endothelial cells (PECs), and macrophage- and the THP-1 cell-mediated PEC cytolysis was then assessed. In vitro-generated macrophages expressed not only ILT2 and ILT4 but CD158d as well. The transgenic HLA-G1 on PEC indicated a significant suppression in macrophage-mediated cytotoxicity, which was equivalent to that of transgenic HLA-E. HLA-G1 was clearly expressed on the cell surface of PEC, whereas the levels of HLA-G3 were much lower and remained in the intracellular space. On the other hand, the PMA-activated THP-1 cell was less expressed these inhibitory molecules than in vitro-generated macrophages. Therefore, the HLA-G1 on PECs showed a significant but relatively smaller suppression to THP-1 cell-mediated cytotoxicity compared to in vitro-generated macrophages. These results indicate that by generating HLA-G1, but not HLA-G3, transgenic pigs can protect porcine grafts from monocyte/macrophage-mediated cytotoxicity.
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Affiliation(s)
- H Eguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - A Maeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - P C Lo
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - R Matsuura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - E L Esquivel
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Asada
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - R Sakai
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Nakahata
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - T Yamamichi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - S Umeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Deguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - T Ueno
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - H Okuyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - S Miyagawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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12
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Sakai R, Kitano E, Hatanaka M, Lo P, Matsuura R, Deguchi K, Eguchi H, Maeda A, Watanabe M, Matsunari H, Nagashima H, Okuyama H, Miyagawa S. Studies of Pig Complement: Measurement of Pig CH50, ACH50, and Components. Transplant Proc 2017; 48:1282-4. [PMID: 27320604 DOI: 10.1016/j.transproceed.2015.10.066] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/03/2015] [Indexed: 11/25/2022]
Abstract
BACKGROUND On the basis of a comparison of the hemolytic complement titer in pigs with that in humans, the complement system of pigs was investigated. The response of innate immunity, such as the natural antibodies, against humans was also examined. METHODS Hemolytic complement activity of pig serum was measured with the use of a microtitration technique. CH50 was determined according to the method of Mayer. ACH50 was assayed according to the methods of Platts-Milles and Ishizaka. Hemolytic activities of C1, C4, C2, C3, C5, C8, and C9 were estimated through the use of intermediate cells and reagents, as described previously. In addition, the pig natural anti-human antibody was studied with the use of human peripheral blood mononuclear cells (PBMCs). Human PBMCs were stained with 5% pig serum, followed by staining with fluorescein isothiocyanate-labeled goat anti-pig IgG and IgM. The resulting stained cells were quantified by use of a FACScalibur system. The alternative pathway of pig complement was also measured with the use of human erythrocytes and normal pooled pig serum with or without Mg(++)EGTA. RESULTS Both the CH50 and ACH50 titers were lower than those of humans. Concerning the components, except for C3, each component, that is, C1, C4, C2, C5, C8, and C9, was also lower than that of humans, based on measured values for human complement components. Pig serum clearly contains natural antibodies, IgG and IgM, to human PBMCs. The alternative pathway of pig complement reacted with human erythrocytes. CONCLUSIONS As a whole, pig innate immunity, the complement system and natural antibody, recognizes the surfaces of human cells.
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Affiliation(s)
- R Sakai
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - E Kitano
- Department of Medical Technology Faculty of Health Sciences, Kobe Tokiwa University, Kobe, Japan
| | - M Hatanaka
- Department of Medical Technology Faculty of Health Sciences, Kobe Tokiwa University, Kobe, Japan
| | - P Lo
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - R Matsuura
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Deguchi
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - H Eguchi
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - A Maeda
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Watanabe
- Laboratory of Developmental Engineering, Department of Life Sciences, School of Agriculture, Meiji University, Kawasaki, Japan
| | - H Matsunari
- Laboratory of Developmental Engineering, Department of Life Sciences, School of Agriculture, Meiji University, Kawasaki, Japan
| | - H Nagashima
- Laboratory of Developmental Engineering, Department of Life Sciences, School of Agriculture, Meiji University, Kawasaki, Japan
| | - H Okuyama
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - S Miyagawa
- Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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13
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Endo H, Okami J, Okuyama H, Nishizawa Y, Imamura F, Inoue M. The induction of MIG6 under hypoxic conditions is critical for dormancy in primary cultured lung cancer cells with activating EGFR mutations. Oncogene 2016; 36:2824-2834. [DOI: 10.1038/onc.2016.431] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 10/05/2016] [Accepted: 10/11/2016] [Indexed: 02/08/2023]
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Abstract
The formation of (NO)3 on Cu(111) was recently reported based on scanning tunneling microscopy observations [A. Shiotari et al., J. Chem. Phys. 141, 134705 (2014)]. We herein report studies into this system using electron energy loss spectroscopy and verify the above findings through vibrational analysis. For the surface covered with mixed isotopes of N(16)O and N(18)O, we observed four peaks corresponding to N-O stretching vibrations, which were ascribed to the four isotopic combinations of the trimer. Dynamic coupling within the trimer was evaluated from model calculations of the coupled oscillators. Furthermore, we observed hindered rotation and translation modes in the dipole scattering regime, suggesting that the molecular axis is tilted from the surface normal. These results provide spectroscopic support for the formation of (NO)3 on Cu(111).
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Affiliation(s)
- H Koshida
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - H Okuyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - S Hatta
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Aruga
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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15
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Okuyama H, Kitaguchi Y, Hattori T, Ueda Y, Ferrer NG, Hatta S, Aruga T. Adsorbed states of chlorophenol on Cu(110) and controlled switching of single-molecule junctions. J Chem Phys 2016; 144:244703. [PMID: 27369529 DOI: 10.1063/1.4954409] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
A molecular junction of substituted benzene (chlorophenol) is fabricated and controlled by using a scanning tunneling microscope (STM). Prior to the junction formation, the bonding geometry of the molecule on the surface is characterized by STM and electron energy loss spectroscopy (EELS). EELS shows that the OH group of chlorophenol is dissociated on Cu(110) and that the molecule is bonded nearly flat to the surface via an O atom, with the Cl group intact. We demonstrate controlled contact of an STM tip to the "available" Cl group and lift-up of the molecule while it is anchored to the surface via an O atom. The asymmetric bonding motifs of the molecule to the electrodes allow for reversible control of the junction.
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Affiliation(s)
- H Okuyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Y Kitaguchi
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Hattori
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Y Ueda
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - N G Ferrer
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - S Hatta
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Aruga
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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16
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Sakai R, Esaki Y, Hasuwa H, Ikawa M, Lo P, Matsuura R, Nakahata K, Zenitani M, Asada M, Maeda A, Eguchi H, Okuyama H, Miyagawa S. Knockout of Cytidine Monophospho-N-Acetylneuraminic Acid (CMP-NeuAc) Hydroxylase From Porcine Endothelial Cells by a CRISPR System. Transplant Proc 2016; 48:1320-2. [PMID: 27320613 DOI: 10.1016/j.transproceed.2015.10.065] [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: 09/03/2015] [Accepted: 10/03/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND We attempted to knock out the expression of Hanganutziu-Deicher (H-D) antigens through the use of a CRISPR (clustered regulatory interspaced short palindromic repeat)/Cas9 system for pig cytidine monophospho-N-acetylneuraminic acid hydroxylase (CMAH). METHODS Plasmids expressing hCas9 and sgRNA for pCMAH were prepared by ligating oligos into the BbsI site of pX330. The N-terminal and C-terminal EGFP coding regions overlapping 482 bp were PCR-amplified and placed under a ubiquitous CAG promoter. The approximately 400-bp genomic fragments containing the sgRNA target sequence of pCMAH were placed into the multi-cloning sites flanked by the EGFP fragments. The pCAG-EGxxFP-target was mixed with pX330 with/without the sgRNA sequences and then introduced into HEK293T cells. RESULTS Four oligos and primers, gSO1, gSO3, gSO4, and gSO8, were nominated from 8 candidates. Among them, gSO1 showed the best efficiency. Pig endothelial cells (PECs) from an α-Gal knockout pig were then used to examine the changes in the expression of the H-D antigen by the knockout of the CMAH genome by the pX330-gS01. CONCLUSIONS Changes in the expression of the H-D antigen in the PECs with the CRISPR (gS01) were clear in comparison with those in the parental cells, on the basis of FACS analysis data. The expression of the H-D antigen can be knocked out by use of the CRISPR system for pCMAH, thus confirming that this system is a very convenient system for producing knockout pigs.
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Affiliation(s)
- R Sakai
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan.
| | - Y Esaki
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Hasuwa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Ikawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - P Lo
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - R Matsuura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - K Nakahata
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Zenitani
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - M Asada
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - A Maeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Eguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - H Okuyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - S Miyagawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
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Eguchi H, Kawamura T, Kashiyama N, Matsuura R, Sakai R, Nakahata K, Lo PC, Asada M, Maeda A, Goto M, Toyoda M, Okuyama H, Miyagawa S. Supplemental Analysis for N-linked Sugars in Adult Pig Islets. Transplant Proc 2016; 48:1302-3. [PMID: 27320609 DOI: 10.1016/j.transproceed.2015.10.071] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 10/03/2015] [Indexed: 10/21/2022]
Abstract
The pig pancreas is considered to be one of the most suitable sources of islets for clinical xenotransplantation. However, after producing α1-3galactosyltransferase knockout pigs, most of the organs of these pigs showed less antigenicity to the human body. Wild-type adult pig islets (APIs) that originally produced negligible levels of α-Gal, different from neonatal porcine islet-like cell clusters, showed a clear antigenicity to human serum. Concerning the so-called non-Gal epitopes, many studies related to glycoproteins and glycolipids are ongoing in efforts to identify them. However, our knowledge of non-Gal glycoantigens remains incomplete. In our previous study, N-glycans were isolated from APIs, and the structures of 28 of the N-glycans were detected. In this study, to identify additional structures, further analyses were performed by liquid chromatography-mass spectrometry (LC-MS). N-glycans were isolated from APIs by the method described by O'Neil et al with minor modifications and LC-MS-based structural analyses were then performed. The detected N-glycan peaks in the LC-MS spectra were selected using the FLexAnalysis software program and the structures of the glycans were predicted using the GlyocoMod Tool. The API preparation contained 11 peaks and 16 structures were then nominated as containing N-linked sugars. Among them, 5 sulfated glycans were estimated, confirming the existence of sulfate structures in N-glycans in API. In addition, these data may supplement several N-glycan structures that contain two deoxyhexose units, such as fucose, to our previous report. The data herein will be helpful for future studies of antigenicity associated with API.
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Affiliation(s)
- H Eguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - T Kawamura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - N Kashiyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - R Matsuura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - R Sakai
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - K Nakahata
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - P-C Lo
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Asada
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - A Maeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - M Goto
- International Advanced Research and Education Organization, Tohoku University, Miyagi, Japan
| | - M Toyoda
- Research Department, Sumitomo Bakelite Co. Ltd, Japan
| | - H Okuyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - S Miyagawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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18
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Matsuura R, Maeda A, Sakai R, Eguchi H, Lo PC, Hasuwa H, Ikawa M, Nakahata K, Zenitani M, Yamamichi T, Umeda S, Deguchi K, Okuyama H, Miyagawa S. Human HLA-Ev (147) Expression in Transgenic Animals. Transplant Proc 2016; 48:1323-5. [PMID: 27320614 DOI: 10.1016/j.transproceed.2015.10.069] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 10/03/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND In our previous study, we reported on the development of substituting S147C for HLA-E as a useful gene tool for xenotransplantation. In this study we exchanged the codon of HLA-Ev (147), checked its function, and established a line of transgenic mice. METHODS A new construct, a codon exchanging human HLA-Ev (147) + IRES + human beta 2-microgloblin, was established. The construct was subcloned into pCXN2 (the chick beta-actin promoter and cytomegalovirus enhancer) vector. Natural killer cell- and macrophage-mediated cytotoxicities were performed using the established the pig endothelial cell (PEC) line with the new gene. Transgenic mice with it were next produced using a micro-injection method. RESULTS The expression of the molecule on PECs was confirmed by the transfection of the plasmid. The established molecules on PECs functioned well in regulating natural killer cell-mediated cytotoxicity and macrophage-mediated cytotoxicity. We have also successfully generated several lines of transgenic mice with this plasmid. The expression of HLA-Ev (147) in each mouse organ was confirmed by assessing the mRNA. The chick beta-actin promoter and cytomegalovirus enhancer resulted in a relatively broad expression of the gene in each organ, and a strong expression in the cases of the heart and lung. CONCLUSION A synthetic HLA-Ev (147) gene with a codon usage optimized to a mammalian system represents a critical factor in the development of transgenic animals for xenotransplantation.
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Affiliation(s)
- R Matsuura
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan.
| | - A Maeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - R Sakai
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - H Eguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - P-C Lo
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - H Hasuwa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - M Ikawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - K Nakahata
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - M Zenitani
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - T Yamamichi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - S Umeda
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - K Deguchi
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - H Okuyama
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
| | - S Miyagawa
- Department of Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan; and Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
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Deguchi K, Ueno T, Matsuura R, Yamanaka H, Nara K, Uehara S, Tazuke Y, Bessho K, Okuyama H. Disseminated Metastatic Tissue Calcification After Orthotopic Liver Transplantation: A Case Report. Transplant Proc 2016; 48:251-4. [PMID: 26915877 DOI: 10.1016/j.transproceed.2015.12.033] [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: 11/04/2015] [Accepted: 12/30/2015] [Indexed: 10/22/2022]
Abstract
BACKGROUND Hypercalcemia has been observed in patients after liver transplantation. However, it is rare that the hypercalcemia induced disseminated tissue calcification and heart failure. CASE REPORT We report a rare case of heart failure caused by disseminated metastatic tissue calcification that involved extensive progressive myocardial calcification after liver transplantation. A 20-year-old man with end-stage liver disease due to biliary atresia underwent ABO-incompatible living donor liver transplantation. After successful transplantation, he suffered from antibody-mediated rejection. Subsequently, ABO-matched cadaveric liver retransplantation was successfully performed. Hypercalcemia developed gradually following the second transplantation. His serum calcium level increased to 18.3 mg/dL with sudden onset of ventricular tachycardia. Although he was resuscitated with a cardiopulmonary support device, he died of heart and liver failure. Histopathologic examination revealed systemic disseminated metastatic tissue calcification, including massive myocardial calcification. CONCLUSION Progressive worsening of hypercalcemia resulted in disseminated metastatic tissue calcification and massive metastatic myocardial calcification, which led to heart failure after liver transplantation. Because hypercalcemia after liver transplantation can cause fatal tissue calcification, early intervention for hypercalcemia should be considered.
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Affiliation(s)
- K Deguchi
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - T Ueno
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan.
| | - R Matsuura
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - H Yamanaka
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - K Nara
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - S Uehara
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - Y Tazuke
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - K Bessho
- Department of Pediatrics, Osaka University, Postgraduate School of Medicine, Osaka, Japan
| | - H Okuyama
- Department of Pediatric Surgery, Osaka University, Postgraduate School of Medicine, Osaka, Japan
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Okuyama H, Sakai K. Effects of dietary oils with extreme omega 3/omega 6 ratios--selective incorporation and differential catabolism. World Rev Nutr Diet 2015; 66:195-204. [PMID: 1675826 DOI: 10.1159/000419290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- H Okuyama
- Faculty of Pharmaceutical Sciences, Nagoya City University, Japan
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Shiotari A, Mitsui T, Okuyama H, Hatta S, Aruga T, Koitaya T, Yoshinobu J. Configuration change of NO on Cu(110) as a function of temperature. J Chem Phys 2014; 140:214706. [PMID: 24908034 DOI: 10.1063/1.4881262] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The bonding structure of nitric oxide (NO) on Cu(110) is studied by means of scanning tunneling microscopy, reflection absorption infrared spectroscopy, and electron energy loss spectroscopy at 6-160 K. At low temperatures, the NO molecule adsorbs at the short bridge site via the N end in an upright configuration. At around 50 K, this turns into a flat configuration, in which both the N and O atoms interact with the surface. The flat configuration is characterized by the low-frequency N-O stretching mode at 855 cm(-1). The flat-lying NO flips back and forth when the temperature increases to ~80 K, and eventually dissociates at ~160 K. We propose a potential energy diagram for the conversion of NO on the surface.
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Affiliation(s)
- A Shiotari
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Mitsui
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - H Okuyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - S Hatta
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Aruga
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - T Koitaya
- The Institute for Solid State Physics, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
| | - J Yoshinobu
- The Institute for Solid State Physics, The University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
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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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Miura T, Mitsunaga S, Shimizu S, Ohno I, Takahashi H, Okuyama H, Kuwahara A, Ikeda M. Characterization of Patient with High Serum Level of IL-6 in Advanced Pancreatic Cancer. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.12] [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: 11/12/2022] Open
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Kitaguchi Y, Habuka S, Mitsui T, Okuyama H, Hatta S, Aruga T. Comparative study of phenol and thiophenol adsorption on Cu(110). J Chem Phys 2013; 139:044708. [DOI: 10.1063/1.4815968] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Miura T, Mitsunaga S, Matsumoto N, Nakazato M, Ohno I, Shimizu S, Takahashi H, Okuyama H, Kuwahara A, Ikeda M. Plasma Level of Des-Acyl Ghrelin Predicts Digestive Symptoms in Patients Undergoing Chemotherapy for Advanced Pancreatic Cancer. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32344-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Kuwahara A, Mitsunaga S, Ikeda M, Ohno I, Shimizu S, Takahashi H, Okuyama H, Okusaka T, Ueno H, Morizane C, Kondo S. Symptomatic Changes to Predict Disease Control by Chemotherapy for Pancreatic Cancer. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32514-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: 11/17/2022] Open
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Abstract
We show that a metallic surface state is formed on Tl/Ge(111)-(1 × 1). The surface state forms electron pockets around K of the surface Brillouin zone. A first-principles calculation reveals that the electron pockets are composed of a single branch of a spin-split surface-state band. The spin quantization axis is along the surface normal and inverts according to the time-reversal symmetry. Since this spin-split branch is the unique metallic band on this surface, the surface conductivity should be governed by this spin-split branch, suggesting a possible spin-polarized electric current.
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Affiliation(s)
- Y Ohtsubo
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Kumagai T, Shiotari A, Okuyama H, Hatta S, Aruga T, Hamada I, Frederiksen T, Ueba H. H-atom relay reactions in real space. Nat Mater 2011; 11:167-172. [PMID: 22120414 DOI: 10.1038/nmat3176] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2011] [Accepted: 10/20/2011] [Indexed: 05/31/2023]
Abstract
Hydrogen bonds are the path through which protons and hydrogen atoms can be transferred between molecules. The relay mechanism, in which H-atom transfer occurs in a sequential fashion along hydrogen bonds, plays an essential role in many functional compounds. Here we use the scanning tunnelling microscope to construct and operate a test-bed for real-space observation of H-atom relay reactions at a single-molecule level. We demonstrate that the transfer of H-atoms along hydrogen-bonded chains assembled on a Cu(110) surface is controllable and reversible, and is triggered by excitation of molecular vibrations induced by inelastic tunnelling electrons. The experimental findings are rationalized by ab initio calculations for adsorption geometry, active vibrational modes and reaction pathway, to reach a detailed microscopic picture of the elementary processes.
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Affiliation(s)
- T Kumagai
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Masugata H, Senda S, Murao K, Okuyama H, Inukai M, Hosomi N, Iwado Y, Noma T, Kohno M, Himoto T, Goda F. Aortic root dilatation as a marker of subclinical left ventricular diastolic dysfunction in patients with cardiovascular risk factors. J Int Med Res 2011; 39:64-70. [PMID: 21672308 DOI: 10.1177/147323001103900108] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Consensus is lacking about the clinical importance of aortic root dilatation in assessment of the risk of cardiovascular disease. In this study, correlations between aortic root diameter and echocardiographic features of left ventricular (LV) diastolic function were investigated in 333 patients with at least one cardiovascular risk factor (hypertension, diabetes or dyslipidaemia) and preserved LV systolic function. Aortic root diameter was measured by M-mode echocardiography, and LV diastolic function was evaluated by measuring the peak velocity of early (E) and late (A) diastolic transmitral blood flow and peak early diastolic mitral annular velocity (E') by Doppler echocardiography. Linear regression analysis showed that, in men, age was not related to aortic root diameter but hypertension and LV hypertrophy were, whereas the converse was true in women. The parameters E, E/A ratio and E', were related to aortic root diameter in both sexes. Stepwise multiple regression analysis confirmed that E in women and E' in men were independently associated with aortic root diameter. It is concluded that aortic root dilatation might be a useful marker of subclinical LV diastolic dysfunction. Patients with preserved systolic function showing aortic root dilatation should, therefore, be given preventative therapy against LV diastolic heart failure.
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Affiliation(s)
- H Masugata
- Department of Integrated Medicine, Kagawa University, 1750-1 Miki-cho, Kita-gun, Kagawa 761-0793, Japan.
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Sugawara M, Ichimura S, Kokubo K, Shimbo T, Hirose M, Kobayashi H, Hribova P, Brabcova I, Honsova E, Viklicky O, Kute VB, Shah PR, Vanikar AV, Gumber MR, Patel HV, Modi PR, Trivedi HL, Trivedi VB, Nusrath S, Minz M, Walker Minz R, Sharma A, Singh S, Jha V, Joshi K, Richter R, Kohler S, Qidan S, Scheuermann E, Kachel HG, Gossmann J, Gauer S, Seifried E, Geiger H, Seidl C, Hauser IA, Hanssen L, Frye B, Ostendorf T, Alidousty C, Djudjaj S, Boor P, Rauen T, Floege J, Mertens P, Raffetseder U, Garcia-Cenador B, Lopez-Novoa JM, Iniguez M, Fernandez V, Perez de Obanos P, Ruiz J, Sanz-Gimenez JR, Lopez-Marcos JF, Garcia-Criado J, Van Craenenbroeck AH, Anguille SH, Jurgens A, Cools N, Van Camp K, Stein B, Nijs G, Berneman Z, Ieven M, Van Damme P, Van Tendeloo V, Verpooten GA, Gohel K, Hegde U, Gang S, Rajapurkar M, Erdogmus S, Sengul S, Kocak S, Kurultak I, Kutlay S, Keven K, Erbay B, Erturk S, Kimura S, Imura J, Atsumi H, Fujimoto K, Chikazawa Y, Nakagawa M, Hayama T, Okuyama H, Yamaya H, Yokoyama H, Libetta C, Canevari M, Sepe V, Margiotta E, Meloni F, Martinelli C, Borettaz I, Esposito P, Portalupi V, Morosini M, Solari N, Dal Canton A, Rusai K, Schmaderer C, Hermans R, Lutz J, Heemann U, Baumann M, Cantaluppi V, Tamagnone M, Dellepiane S, Medica D, Dolla C, Messina M, Manzione AM, Tognarelli G, Ranghino A, Biancone L, Camussi G, Segoloni GP, Ozkurt S, Sahin G, Degirmenci N, Temiz G, Musmul A, Birdane A, Tek M, Tekin N, Akyuz F, Yalcin AU, Garcia-Cenador B, Lopez-Novoa JM, Iniguez M, Fernandez V, Perez de Obanos P, Ruiz J, Lopez-Valverde A, Garcia-Criado J. Transplantation: basic science and immune-tolerance. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.42] [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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Mitsunaga S, Ikeda M, Nakachi K, Ohno I, Shimizu S, Takahashi H, Okuyama H, Inagaki M, Furuse J, Ochiai A. Use of elevated IL-1 to predict prognosis in patients with advanced pancreatic cancer with high IL-6 and wasting condition. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e14604] [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: 11/20/2022] Open
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Kitaguchi Y, Shiotari A, Okuyama H, Hatta S, Aruga T. Imaging sequential dehydrogenation of methanol on Cu(110) with a scanning tunneling microscope. J Chem Phys 2011; 134:174703. [PMID: 21548702 DOI: 10.1063/1.3589256] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Adsorption of methanol and its dehydrogenation on Cu(110) were studied by using a scanning tunneling microscope (STM). Upon adsorption at 12 K, methanol preferentially forms clusters on the surface. The STM could induce dehydrogenation of methanol sequentially to methoxy and formaldehyde. This enabled us to study the binding structures of these products in a single-molecule limit. Methoxy was imaged as a pair of protrusion and depression along the [001] direction. This feature is fully consistent with the previous result that it adsorbs on the short-bridge site with the C-O axis tilted along the [001] direction. The axis was induced to flip back and forth by vibrational excitations with the STM. Two configurations were observed for formaldehyde, whose structures were proposed based on their characteristic images and motions.
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Affiliation(s)
- Y Kitaguchi
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto, Japan
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Abstract
Water clusters are assembled and imaged on Cu(110) by using a scanning tunneling microscope. Water molecules are arranged along the Cu row to form "ferroelectric" zigzag chains of trimer to hexamer. The trimer prefers the chain form to a cyclic one in spite of the reduced number of hydrogen bonds, highlighting the crucial role of the water-substrate interaction in the clustering of adsorbed water molecules. On the other hand, the cyclic form with maximal hydrogen bonds becomes more favorable for the tetramer, indicating the crossover from chain to cyclic configurations as the constituent number increases.
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Affiliation(s)
- T Kumagai
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Shiotari A, Kitaguchi Y, Okuyama H, Hatta S, Aruga T. Imaging covalent bonding between two NO molecules on Cu(110). Phys Rev Lett 2011; 106:156104. [PMID: 21568581 DOI: 10.1103/physrevlett.106.156104] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2011] [Indexed: 05/30/2023]
Abstract
Using a scanning tunneling microscope, we found metastable upright NO on Cu(110) with the 2π* molecular resonance at the Fermi level. Upon heating above 40 K, it converts to a bent structure with the loss of molecular resonance. By manipulating the distance between two upright NO, we controlled the overlap between 2π* orbitals and observed its splitting below and above the Fermi level, thus visualizing the covalent interaction between them.
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Affiliation(s)
- A Shiotari
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Machida Y, Sakai S, Izawa K, Okuyama H, Watanabe T. Enhanced quasiparticle heat conduction in the multigap superconductor Lu2Fe3Si5 . Phys Rev Lett 2011; 106:107002. [PMID: 21469825 DOI: 10.1103/physrevlett.106.107002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2010] [Indexed: 05/30/2023]
Abstract
Thermal transport measurements have been made on the Fe-based superconductor Lu2Fe3Si5 (T(c) ∼ 6 K) down to a very low temperature T(c)/120. The field and temperature dependences of the thermal conductivity confirm the multigap superconductivity with fully opened gaps on the whole Fermi surfaces. In comparison to MgB2, Lu2Fe3Si5 reveals a remarkably enhanced quasiparticle heat conduction in the mixed state. The results can be interpreted as a consequence of the unequal weight of the Fe 3d-electron character among the distinct bands.
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Affiliation(s)
- Y Machida
- Department of Physics, Tokyo Institute of Technology, Meguro, Tokyo 152-8551, Japan
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Kitano Y, Okuyama H, Saito M, Usui N, Morikawa N, Masumoto K, Takayasu H, Nakamura T, Ishikawa H, Kawataki M, Hayashi S, Inamura N, Nose K, Sago H. Re-evaluation of stomach position as a simple prognostic factor in fetal left congenital diaphragmatic hernia: a multicenter survey in Japan. Ultrasound Obstet Gynecol 2011; 37:277-282. [PMID: 21337653 DOI: 10.1002/uog.8892] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
OBJECTIVES To document outcome and to explore prognostic factors in fetal left congenital diaphragmatic hernia (CDH). METHODS This was a multicenter retrospective study of 109 patients with prenatally diagnosed isolated left CDH born between 2002 and 2007. The primary outcome was intact discharge, defined as discharge from hospital without major morbidities, such as a need for respiratory support including oxygen supplementation, tube feeding, parenteral nutrition or vasodilators. All patients were managed at perinatal centers with immediate resuscitation, gentle ventilation (mostly with high-frequency oscillatory ventilation) and surgery after stabilization. Prenatal data collected included liver and stomach position, lung-to-head ratio, gestational age at diagnosis and presence or absence of polyhydramnios. Stomach position was classified into four grades: Grade 0, abdominal; Grade 1, left thoracic; Grade 2, less than half of the stomach herniated into the right chest; and Grade 3, more than half of the stomach herniated into the right chest. RESULTS Overall intact discharge and 90-day survival rates were 65.1% and 79.8%, respectively. Stomach herniation was classified as Grade 0 in 19.3% of cases, Grade 1 in 45.9%, Grade 2 in 13.8% and Grade 3 in 21.1%. Multivariate analysis revealed that liver position was the strongest prognostic variable for intact discharge, followed by stomach position. Based on our results, we divided patients into three groups according to liver (up vs. down) and stomach (Grade 0-2 vs. Grade 3) position. Intact discharge rates declined significantly from liver-down (Group I), to liver-up with stomach Grade 0-2 (Group II), to liver-up with stomach Grade 3 (Group III) (87.0%, 47.4% and 9.5% of cases, respectively). CONCLUSION Current status and outcomes of prenatally diagnosed left CDH in Japan were surveyed. Stomach herniation into the right chest was not uncommon and its grade correlated with outcome. The combination of liver and stomach positions was useful to stratify patients into three groups (Group I-III) with different prognoses.
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Affiliation(s)
- Y Kitano
- Division of Surgery, National Center for Child Health and Development, Tokyo, Japan.
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Ohno I, Mitsunaga S, Nakachi K, Shimizu S, Takahashi H, Okuyama H, Kojima Y, Ochiai A, Okusaka T, Ikeda M. Clinical significance of serum alkaline phosphatase level in advanced pancreatic cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
183 Background: Alkaline phosphatase (ALP) is an enzyme that is elevated by various hepatobiliary diseases. Generally its elevation is thought to indicate bile stasis. There are some reports that show ALP is an important prognostic factor for several cancers such as colon, lung, and gastric cancer. Often it is speculated that ALP elevation indicates bile stasis caused by liver metastasis. However, the significance of ALP elevation in advanced pancreatic cancer (APC) patients is not well evaluated. The aim of this study was to determine the significance of elevated serum ALP as a prognostic factor in patients with APC even without jaundice and liver metastasis. Methods: Serum ALP levels were measured in 393 patients with APC receiving gemcitabine monotherapy before treatment, and according to those levels, patients were subgrouped (ALP<upper normal limit (UNL), UNL-500 U/L, 501-700 U/L, 701-1000 U/L, 1000U/L < ALP). The clinical data of each group were analyzed to see characteristics of elevated ALP patients. The relationship between ALP level and survival, response were also examined. Results: The elevated ALP group included poor performance status (PS>1) patients (41.3%, p=0.001), and associated with low serum albumin (3.31±0.38, p<0.01). The elevated ALP group (median survival time (MST) 112 days) showed significantly worse prognosis and lower disease control rate compared to the normal ALP group (MST 217days) (p<0.001, p<0.001). Multivariate analysis revealed ALP (p<0.001), CRP (p<0.001), ascites (p<0.001), distant metastasis (p=0.003), white blood cell count (p=0.005), PS (p=0.020), AST (p=0.020), and ALT (p=0.020) were independent prognostic factors. Similar results were seen in liver metastasis free patients without jaundice. Conclusions: Elevated serum ALP level correlated with poor performance status and low serum albumin. ALP was also the independent prognostic factor in liver metastasis free APC patients without jaundice. No significant financial relationships to disclose.
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Affiliation(s)
- I. Ohno
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - S. Mitsunaga
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - K. Nakachi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - S. Shimizu
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - H. Takahashi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - H. Okuyama
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - Y. Kojima
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - A. Ochiai
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - T. Okusaka
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
| | - M. Ikeda
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Center for Global Health and Medicine, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan
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Mitsunaga S, Ikeda M, Nakachi K, Ohno I, Shimizu S, Takahashi H, Okuyama H, Inagaki M, Furuse J, Ochiai A. Clinical significance of elevation of the serum IL-6 level in patients with advanced pancreatic cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
181 Background: IL-6, one of the pro-inflammatory cytokines, is a recognized mediator of cachexia and cancer cell invasion. It has been reported that elevation of the serum IL-6 level may be associated with deterioration of the clinical condition and tumor progression in advanced pancreatic cancer (PC) patients. The aim of this study was to clarify the clinical features of increased serum IL-6 levels in patients with advanced PC receiving chemotherapy. Methods: Patients with treatment-naïve unresectable PC and no obvious infectious conditions were eligible for this study. Serum levels of IL-6 were measured by an electrochemiluminescence assay. Symptoms were rated numerically from 0 to 10 using the Japanese version of the M. D. Anderson Symptom Inventory. Tumor volume was calculated as the sum of the long diameters of the tumors. The measurements were performed before chemotherapy and at one month after the start of chemotherapy. Results: A total of 87 patients (male/female: 41/46; ECOG performance status: 0/1/2: 59/26/1; media age: 66 years) were enrolled; all patients were administered systemic chemotherapy (gemcitabine [GEM]/GEM+S-1/GEM+other/S-1: 52/11/9/15). The median serum level of IL-6 was 1.3 pg/mL before chemotherapy (at baseline) and 1.8 pg/mL at one-month after the start of chemotherapy. The median change of IL-6 from the baseline was +0.18 pg/mL. Patients with increase of the serum IL-6 level by more than 0.18 pg/mL were assigned to the elevated IL-6 group (n=42; median change in IL-6: +1.66 pg/mL). The elevated IL-6 group showed more sadness (p=0.019), numbness (p=0.008), and gain of body weight (p=0.016) at the baseline as compared to the non-IL-6-elevated group (n=42; median change in IL-6: -0.27 pg/mL). Comparison of the elevated and non-IL-6-elevated groups revealed a greater degree of increase in the tumor volume (p=0.015), deterioration of nausea (p=0.046) and vomiting (p=0.028), neutrophilia (p=0.004), and elevation of the serum C-reactive protein (p=0.011) in the elevated IL-6 group than in the non-IL-6-elevated group. Conclusions: Elevation of the serum IL-6 level may be associated withsymptom deterioration, increase of the tumor mass, and inflammatory reaction in patients with advanced PC. No significant financial relationships to disclose.
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Affiliation(s)
- S. Mitsunaga
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - M. Ikeda
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - K. Nakachi
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - I. Ohno
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - S. Shimizu
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H. Takahashi
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H. Okuyama
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - M. Inagaki
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - J. Furuse
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - A. Ochiai
- Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; National Cancer Center Hospital East, Kashiwa, Japan; Center for Suicide Prevention, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan; Kyorin University Hospital, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
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Aizawa M, Mitsunaga S, Okuyama H, Nakachi K, Ohno I, Shimizu S, Takahashi H, Okusaka T, Ochiai A, Ikeda M. Association of hypophosphatemia-occurring sorafenib with prognosis and hepatic impairment in patients with advanced hepatocellular carcinoma. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
188 Background: Hypophosphatemia is observed during sorafenib treatment. At the increased metabolic demand of the liver, hypophosphatemia is considered to be associated with a good clinical course. Hypophosphatemia associated with sorafenib treatment may also be a favorable event, but this has not yet been elucidated. The aim of this study was to evaluate the clinical significance of hypophosphatemia developing during sorafenib treatment for advanced hepatocellular carcinoma (HCC). Methods: The data of 41 advanced HCC patients (median age: 68 years, female/male: 4/37, HBs-Ag(+)/HCV-Ab(+):10/22) who received sorafenib treatment (800 mg, daily) for more than 30 days were reviewed. There were 27 and 14 patients with Child-Pugh class A and B. UICC stage II/III/IV was observed in 13/10 /18 patients. Clinical data, including those on the serum level of inorganic phosphate (IP), were collected before and after 30 days of sorafenib treatment. Overall survival time (OS) was calculated from the start of sorafenib treatment. The significance level was set at p<0.05. Results: Mean serum IP level before sorafenib treatment was 3.2mg/dL (range 2.4-4.5). After 30 days treatment, IP level was decreased (mean 2.6mg/dL, range 1.3-3.9), compared to that at pre-treatment (p<0.001). The patients in whom the serum IP was less than 2.4mg/dL at 30 days was assigned to the decreased IP group (N=14, mean IP 2.1mg/dL, range1.3-2.3). The decreased IP group showed a better prognosis (no event of death during the observation time) than the nondecreased IP group (MST 286 days, p=0.024). In the non-decreased IP group, the serum Alb (mean 3.6g/dL) and T.Bil (mean 0.8mg/dL) were worse after 30 days treatment (Alb 3.4g/dL p=0.007, T.Bil 1.1mg/dL p=0.037). However, deterioration of Alb (mean 3.7 vs. 3.6g/dL p=0.505) and T.Bil (mean 0.7 vs. 0.8mg/dL p=0.404) could be avoided in the decrease IP group. Conclusions: Hypophosphatemia occurring during sorafenib treatment for advanced HCC was associated with a favorable prognosis. The serum Alb and T.Bil levels were indicators of liver function and were preserved in patients with decreased serum levels of phosphate. No significant financial relationships to disclose.
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Affiliation(s)
- M. Aizawa
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - S. Mitsunaga
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H. Okuyama
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - K. Nakachi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - I. Ohno
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - S. Shimizu
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H. Takahashi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - T. Okusaka
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - A. Ochiai
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
| | - M. Ikeda
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan
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Okuyama H, Mitsunaga S, Nakachi K, Ohno I, Shimizu S, Takahashi H, Okusaka T, Ueno H, Ochiai A, Ikeda M. Association of interleukin-6 levels and neutropenia during gemcitabine monotherapy for advanced pancreatic cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.178] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
178 Background: Neutropenia is an important dose-limiting toxicity of gemcitabine (GEM) in patients with advanced pancreatic cancer (PC). Serum haptoglobin, regulated by pro-inflammatory cytokines, is a predictor of neutropenia in PC patients under treatment with GEM. We conducted this study with the aim of identifying the association between serum levels of haptoglobin and cytokines and the risk of development of neutropenia in advanced PC patients receiving GEM therapy. Methods: Serum levels of haptoglobin and pro-inflammatory cytokines (GM-CSF, IFN-γ, IL-1β, IL-2β, IL-6, IL-8, IL-10, IL-12, TNF-α) were measured in 55 patients with advanced PC. All patients (median age: 67 years, male/female: 26/29, ECOG performance status: 0/1/2: 32/21/2,) received GEM monotherapy as the initial treatment for PC. The severity of neutropenia within the first 90 days of the GEM treatment was graded according to the NCI Common Terminology Criteria for Adverse Events, version 3.0. Categorical or and noncategorical data were compared using Student's t test. Multivariate regression analysis was performed using logistic regression modeling. The significance level was set at p<0.05. Results: Grade 0 to 2 (G0/1/2) and grade 3 to 4 (G3/4) neutropenia were observed in 32 patients (58.2%) and 23 patients (41.8%), respectively. The G3/4 neutropenia group showed low serum levels of haptoglobin (mean 144.4 mg/dl vs. 186.7 mg/dl, p=0.097), IL-1β (mean 0.07 pg/ml vs. 0.24 pg/ml, p=0.044), IL-6 (mean 1.13 pg/ml vs. 6.43 pg/ml, p=0.002), IL-8 (mean 18.4 pg/ml vs. 44.8 pg/ml, p=0.015), and TNF-α (mean 6.28 pg/ml vs. 8.86 pg/ml, p=0.017) as compared to the G0/1/2 neutropenia group. Multivariate analysis revealed that only low serum IL-6 was significantly associated with the development of G3/4 neutropenia (OR=0.081, p=0.0011). Conclusions: Low serum IL-6 level was associated with severe neutropenia. Thus, circulating IL- 6 levels may be a predictor of the development of severe neutropenia in advanced PC patients receiving GEM therapy. No significant financial relationships to disclose.
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Affiliation(s)
- H. Okuyama
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - S. Mitsunaga
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - K. Nakachi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - I. Ohno
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - S. Shimizu
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - H. Takahashi
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - T. Okusaka
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - H. Ueno
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - A. Ochiai
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
| | - M. Ikeda
- National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital East, Tokyo, Japan; Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan; Division of Hepatobiliary and Pancreatic Oncology, National Cancer Cencer Hospital East, Kashiwa, Japan
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Okuyama H, Kubota A, Kawahara H, Shimizu Y, Watanabe T, Yamanaka H, Tani G, Takeyama Y. Frey procedure for chronic pancreatitis in a child with duodenal atresia and complex pancreaticobiliary disorders. Eur J Pediatr Surg 2010; 20:45-7. [PMID: 19347806 DOI: 10.1055/s-0029-1202249] [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] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A boy aged 2 years and 7 months who had undergone duodeno-duodenostomy for duodenal atresia and annular pancreas in the neonatal period presented with recurrent pancreatitis. ERCP showed an incomplete pancreas divisum associated with pancreaticobiliary maljunction. At 3 years and 8 months of age, we performed a Frey procedure in combination with total excision of the extrahepatic bile duct. The main pancreatic duct was opened in the body and the head was cored out anteriorly. The pancreaticobiliary system was reconstructed with a Roux-en-Y anastomosis. The patient has been free from symptoms with excellent weight gain in the follow-up period of 20 months. The Frey procedure can be a safe and effective operation in children with chronic pancreatitis caused by complex pancreatobiliary disorders associated with duodenal atresia.
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Affiliation(s)
- H Okuyama
- Department of Pediatric Surgery, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, Japan.
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Yamamoto K, Hashimoto K, Sakamoto Y, Okuyama H, Kawada N, Inoue T. [Evaluation of a new portable device for measuring prothrombin time-internatinal normalized ratio; comparison between the conventional method and the new CoagCheck XS]. Kyobu Geka 2008; 61:530-532. [PMID: 18616094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We evaluated a new portable device (CoaguCheck XS) for measuring the prothrombin time-international normalized ratio (PT-INR) in 63 patients after cardiac surgery, and compared the results with those of the conventional method. There was a good correlation between the PT-INR values measured conventionally and those obtained with the CoaguCheck XS. This new device was easy to use, data were obtained rapidly, and the results were reliable. The CoaguCheck XS will be particularly useful for outpatients. PT-INR self-management is expected to be introduced as soon as health insurance coverage is obtained.
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Affiliation(s)
- K Yamamoto
- Department of Cardiovascular Surgery, The Jikei University School of Medicine, Tokyo, Japan
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Kumagai T, Kaizu M, Hatta S, Okuyama H, Aruga T, Hamada I, Morikawa Y. Direct observation of hydrogen-bond exchange within a single water dimer. Phys Rev Lett 2008; 100:166101. [PMID: 18518225 DOI: 10.1103/physrevlett.100.166101] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2008] [Indexed: 05/26/2023]
Abstract
The dynamics of water dimers was investigated at the single-molecule level by using a scanning tunneling microscope. The two molecules in a water dimer, bound on a Cu(110) surface at 6 K, were observed to exchange their roles as hydrogen-bond donor and acceptor via hydrogen-bond rearrangement. The interchange rate is approximately 60 times higher for (H2O)2 than for (D2O)2, suggesting that quantum tunneling is involved in the process. The interchange rate is enhanced upon excitation of the intermolecular mode that correlates with the reaction coordinate.
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Affiliation(s)
- T Kumagai
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Kumagai T, Hatta S, Okuyama H, Aruga T. Adsorbed states and scanning tunneling microscopy induced migration of acetylene on Cu(110). J Chem Phys 2007; 126:234708. [PMID: 17600436 DOI: 10.1063/1.2741512] [Citation(s) in RCA: 9] [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: 01/08/2023] Open
Abstract
The authors have studied adsorption of acetylene on Cu(110) by means of low-temperature scanning tunneling microscopy. Adsorbed molecules preferentially aggregate at 40 K to yield dimer, trimer, and larger islands on the surface. Isolated species (monomer) adsorbs on the fourfold hollow site with approximately sp3 rehybridization as characterized by inelastic electron tunneling spectroscopy. Tunneling electron induces an acetylene molecule to migrate along the trough of Cu(110). The migration proceeds in two steps: the molecule first hops to the adjacent long-bridge site and then to the next fourfold site. The voltage and current dependencies of the hopping probability show that the migration is induced by inelastic electron tunneling that causes vibrational excitation of mainly C-H stretch mode.
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Affiliation(s)
- T Kumagai
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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46
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Okuyama H, Ohtsuka Y, Aruga T. Secondary oxidation product on Si(111)-(7 x 7) characterized by isotope-labeled vibrational spectroscopy. J Chem Phys 2007; 122:234709. [PMID: 16008475 DOI: 10.1063/1.1937394] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The reaction of O(2) with Si(111)-(7 x 7) has been studied by electron energy-loss spectroscopy at 82 K. In addition to the losses due to Si-O-Si configurations, we observed two Si-O stretch modes depending on the coverage. A 146-meV peak appears at the initial reaction stage and was ascribed to a metastable product with one oxygen atom bonding on top of Si adatom and the other inserted into the backbond. The initial product is further oxidized to produce the second Si-O stretch peak at 150 meV. The secondary product was partially substituted with isotopes and analyzed with a simple model of coupled oscillators. The vibrational spectra reflect dynamical couplings between the isotopes, which is consistent with those predicted from the tetrahedral SiO(4) structure with one on top and three inserted oxygen atoms.
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Affiliation(s)
- H Okuyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.
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Taguchi S, Ishii S, Okuyama H, Nagahori R, Kawata N, Shiratori K, Kurosawa H. [Mitral valvuloplasty utilizing a posterior leaflet patch for healed infective endocarditis; report of a case]. Kyobu Geka 2006; 59:141-3. [PMID: 16482909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
A 63-year-old man was diagnosed as having grade IV mitral regurgitation (MR). Intraoperative examination revealed perforation (13x7 mm) of the anterior mitral leaflet (AML) and prolapse of the posterior mitral leaflet (PML). The prolapsing part of the PML was resected as a rectangle and the AML perforation was covered with this resected PML patch. A Carpentier-Edwards rigid ring (30 mm) was used to secure the mitral valve annulus after suturing the PML. The patient had an uneventful course after surgery and postoperative echocardiography showed no regurgitation.
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Affiliation(s)
- Shingo Taguchi
- Department of Cardiovascular Surgery, The Jikei University School of Medicine, Tokyo, Japan
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Yamada T, Tamamori S, Okuyama H, Aruga T. Anisotropic water chain growth on Cu(110) observed with scanning tunneling microscopy. Phys Rev Lett 2006; 96:036105. [PMID: 16486738 DOI: 10.1103/physrevlett.96.036105] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2005] [Indexed: 05/06/2023]
Abstract
We report a novel structure of water aggregate by means of scanning tunneling microscopy. Water molecules are self-assembled into one-dimensional chains on Cu(110) at 78 K. The chain exhibits a zigzag structure with a period of 7.2 A and grows to a length of approximately 1000 A. We propose that water hexamers are arranged alternately along the chain. Interchain repulsion due to dipole interaction facilitates the 1D chain growth. A two-dimensional overlayer develops only at high coverage.
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Affiliation(s)
- T Yamada
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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Oue T, Kubota A, Okuyama H, Kawahara H. Laparoscopic percutaneous extraperitoneal closure (LPEC) method for the exploration and treatment of inguinal hernia in girls. Pediatr Surg Int 2005; 21:964-8. [PMID: 16235058 DOI: 10.1007/s00383-005-1556-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/21/2005] [Indexed: 10/25/2022]
Abstract
We recently introduced the laparoscopic percutaneous extraperitoneal closure (LPEC) method for the treatment of girls with inguinal hernia. Using the LPEC method, 129 girls underwent laparoscopic herniorrhaphy. A 5 mm laparoscope was inserted via the umbilicus. A 3 mm "snake retractor" was advanced through the lateral abdominal wall to measure the length of the hernia sac and contralateral patent processus vaginalis (PPV), respectively. The hernia sac and PPV were closed at the level of the internal inguinal ring with a 2-0 non-absorbable purse-string suture using Lapaherclosure, a special 19G needle that can hold a suture at the tip. The length of the hernial sac was significantly longer than that of contralateral PPV (mean 41 mm; range 18-70 mm; P < 0.05). There were no serious complications associated with the procedure. No recurrence of hernia or metachronous contralateral hernia has been identified so far. This approach enables us to perform contralateral exploration without any additional techniques, followed by immediate and accurate closure of the hernia sac and PPV. We conclude that the LPEC method is a safe and efficacious procedure with a low recurrence rate that should be viewed as an acceptable alternative to the traditional open approach.
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Affiliation(s)
- Takaharu Oue
- Department of Pediatric Surgery, Jichi Medical School, 3311-1 Yakushiji, Kawachi-gun, Tochigi, 329-0498 Japan.
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Nakamura K, Hashimoto K, Okuyama H, Sakamoto Y, Ishii S, Inoue T, Kinouchi K, Abe T. [Off-pump coronary artery bypasssurgery in patients with mitral regurgitation]. Kyobu Geka 2005; 58:1057-62. [PMID: 16281856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Introduction of off-pump coronary artery bypass grafting (off-pump CABG : OPCAB) makes it possible to shorten the bypass time and cardiac arrest time in patients with both ischemic heart disease and valvular disease. This may be beneficial in patients with poor cardiac function and renal dysfunction. However, it is unclear whether such patients can tolerate the changes of hemodynamics during vertical displacement of the heart. In 3 patients who had ischemic heart disease with non-ischemic mitral regurgitation, we performed OPCAB prior to mitral valve plasty. The changes of mitral regurgitation observed by transesophageal echocardiography and several hemodynamic parameters were monitored as the heart was moved to various positions during OPCAB. When a heart positioner (Starfish) was used, hemodynamic deterioration was not observed, and there was also no aggravation of mitral regurgitation. Based on these results, we conclude that it may be possible to carry out OPCAB safely in patients with associated mitral regurgitation.
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Affiliation(s)
- K Nakamura
- Department of Cardiovascular Surgery, Jikei University School of Medicine, Tokyo, Japan
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