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Kobayashi R, Yoshida N, Tomita Y, Hashimoto H, Inoue K, Hirose R, Dohi O, Inada Y, Murakami T, Morimoto Y, Zhu X, Itoh Y. Detailed Superiority of the CAD EYE Artificial Intelligence System over Endoscopists for Lesion Detection and Characterization Using Unique Movie Sets. J Anus Rectum Colon 2024; 8:61-69. [PMID: 38689788 PMCID: PMC11056537 DOI: 10.23922/jarc.2023-041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/22/2023] [Indexed: 05/02/2024] Open
Abstract
Objectives Detailed superiority of CAD EYE (Fujifilm, Tokyo, Japan), an artificial intelligence for polyp detection/diagnosis, compared to endoscopists is not well examined. We examined endoscopist's ability using movie sets of colorectal lesions which were detected and diagnosed by CAD EYE accurately. Methods Consecutive lesions of ≤10 mm were examined live by CAD EYE from March-June 2022 in our institution. Short unique movie sets of each lesion with and without CAD EYE were recorded simultaneously using two recorders for detection under white light imaging (WLI) and linked color imaging (LCI) and diagnosis under blue laser/light imaging (BLI). Excluding inappropriate movies, 100 lesions detected and diagnosed with CAD EYE accurately were evaluated. Movies without CAD EYE were evaluated first by three trainees and three experts. Subsequently, movies with CAD EYE were examined. The rates of accurate detection and diagnosis were evaluated for both movie sets. Results Among 100 lesions (mean size: 4.7±2.6 mm; 67 neoplastic/33 hyperplastic), mean accurate detection rates of movies without or with CAD EYE were 78.7%/96.7% under WLI (p<0.01) and 91.3%/97.3% under LCI (p<0.01) for trainees and 85.3%/99.0% under WLI (p<0.01) and 92.6%/99.3% under LCI (p<0.01) for experts. Mean accurate diagnosis rates of movies without or with CAD EYE for BLI were 85.3%/100% for trainees (p<0.01) and 92.3%/100% for experts (p<0.01), respectively. The significant risk factors of not-detected lesions for trainees were right-sided, hyperplastic, not-reddish, in the corner, halation, and inadequate bowel preparation. Conclusions Unique movie sets with and without CAD EYE could suggest it's efficacy for lesion detection/diagnosis.
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Affiliation(s)
- Reo Kobayashi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yuri Tomita
- Department of Gastroenterology, Kosekai Takeda Hosptal, Kyoto, Japan
| | - Hikaru Hashimoto
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yutaka Inada
- Department of Gastroenterology, Kyoto First Red Cross Hospital, Kyoto, Japan
| | - Takaaki Murakami
- Department of Gastroenterology, Aiseikai Yamashina Hospital, Kyoto, Japan
| | - Yasutaka Morimoto
- Department of Gastroenterology, Kyoto Saiseikai Hospital, Kyoto, Japan
| | - Xin Zhu
- Graduate School of Computer Science and Engineering, The University of Aizu, Fukushima, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Yoshida N, Dohi O, Inagaki Y, Tomita Y, Hashimoto H, Kobayashi R, Inoue K, Hirose R, Morimoto Y, Inada Y, Murakami T, Itoh Y. Efficacy of hemostatic gel for perioperative bleeding and prevention of delayed bleeding of cold snare polypectomy under anticoagulant. JGH Open 2024; 8:e13029. [PMID: 38268964 PMCID: PMC10805485 DOI: 10.1002/jgh3.13029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/15/2023] [Accepted: 12/21/2023] [Indexed: 01/26/2024]
Abstract
Background and Aim A hemostatic gel, PuraStat (3-D Matrix, Tokyo, Japan), is used for various gastrointestinal hemostasis. In this study, we analyzed the efficacy of PuraStat for perioperative bleeding (POB) and prevention of delayed bleeding (DB) to colorectal cold snare polypectomy (CSP) with continuous anticoagulant. Methods This was a single-center, retrospective study. Subjects were lesions of 2-9 mm under continuous anticoagulant from 2021 to 2023 and treated with PuraStat for POB. The definition of POB was bleeding which did not stop spontaneously by 1.0-1.5 min after resection and needed hemostasis. Successful hemostasis was defined as cessation of bleeding within 1.0-1.5 min after spraying PuraStat and the rate of it and risk factors of POB were analyzed. For comparison, cases receiving previous CSP without PuraStat were extracted from all cases with CSP (2018-2021), and POB and DB rate (DBR) were analyzed after propensity score matching. Results One hundred twenty-two lesions (91: direct oral anticoagulant (DOAC), 31: warfarin) with anticoagulant were analyzed and the rate of successful hemostasis with PuraStat was 92.6% (DOAC/warfarin: 93.4%/80.6%, P = 0.01). The rate of DB was 0.0%. Multivariate analysis showed that significant risk factors about unsuccessful hemostasis for POB with PuraStat were lesion size 8-9 mm (P < 0.01), warfarin (P = 0.01), and combination of antiplatelet (P = 0.01). Regarding the comparison about CSP with/without PuraStat, the clipping rate and DBR were 8.5%/94.9% (P < 0.01) and 0%/1.7% (P = 1.0). Conclusion The effects of PuraStat for POB and DB in colorectal CSP with continuous anticoagulant were acceptable.
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Affiliation(s)
- Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
| | | | - Yuri Tomita
- Department of GastroenterologyKoseikai Takeda HospitalKyotoJapan
| | - Hikaru Hashimoto
- Department of GastroenterologyOsaka General Hospital of West Japan Railway CompanyOsakaJapan
| | - Reo Kobayashi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
| | | | - Yutaka Inada
- Department of GastroenterologyKyoto First Red Cross HospitalKyotoJapan
| | - Takaaki Murakami
- Department of GastroenterologyAiseikai Yamashina HospitalKyotoJapan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of MedicineGraduate School of Medical ScienceKyotoJapan
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Yoshida N, Inagaki Y, Inada Y, Kobayashi R, Tomita Y, Hashimoto H, Dohi O, Hirose R, Inoue K, Murakami T, Morimoto Y, Okuyama Y, Morinaga Y, Itoh Y. Additional 30-Second Observation of the Right-Sided Colon for Missed Polyp Detection With Texture and Color Enhancement Imaging Compared with Narrow Band Imaging: A Randomized Trial. Am J Gastroenterol 2023:00000434-990000000-00893. [PMID: 37782280 DOI: 10.14309/ajg.0000000000002529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 08/10/2023] [Indexed: 10/03/2023]
Abstract
INTRODUCTION The efficacy of texture and color enhancement imaging (TXI) in the novel light-emitting diode endoscopic system for polyp detection has not been examined. We aimed to evaluate the noninferiority of the additional 30-second (Add-30-s) observation of the right-sided colon (cecum/ascending colon) with TXI compared with narrow band imaging (NBI) for detecting missed polyps. METHODS We enrolled 381 patients ≥40 years old who underwent colonoscopy from September 2021 to June 2022 in 3 institutions and randomly assigned them to either the TXI or NBI groups. The right-sided colon was first observed with white light imaging in both groups. Second, after reinsertion from hepatic flexure to the cecum, the right-sided colon was observed with Add-30-s observation of either TXI or NBI. The primary endpoint was to examine the noninferiority of TXI to NBI using the mean number of adenomas and sessile serrated lesions per patient. The secondary ones were to examine adenoma detection rate, adenoma and sessile serrated lesions detection rates, and polyp detection rates in both groups. RESULTS The TXI and NBI groups consisted of 177 and 181 patients, respectively, and the noninferiorities of the mean number of adenomas and sessile serrated lesions per patients in the second observation were significant (TXI 0.29 [51/177] vs NBI 0.30 [54/181], P < 0.01). The change in adenoma detection rate, adenoma and sessile serrated lesions detection rate, and polyp detection rate for the right-sided colon between the TXI and NBI groups were not different (10.2%/10.5% [ P = 0.81], 13.0%/12.7% [ P = 0.71], and 15.3%/13.8% [ P = 0.71]), respectively. DISCUSSION Regarding Add-30-s observation of the right-sided colon, TXI was noninferior to NBI.
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Affiliation(s)
- Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | | | - Yutaka Inada
- Department of Gastroenterology, Kyoto First Red Cross Hospital, Kyoto, Japan
| | - Reo Kobayashi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Yuri Tomita
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Hikaru Hashimoto
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Takaaki Murakami
- Department of Gastroenterology, Aiseikai Yamashina Hospital, Kyoto, Japan
| | - Yasutaka Morimoto
- Department of Gastroenterology, Kyoto Saiseikai Hospital, Kyoto, Japan
| | - Yusuke Okuyama
- Department of Gastroenterology, Kyoto First Red Cross Hospital, Kyoto, Japan
| | - Yukiko Morinaga
- Department of Surgical Pathology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
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Yoshida N, Inagaki Y, Hasegawa D, Kobayashi R, Tomita Y, Hashimoto H, Hirose R, Dohi O, Inoue K, Morimoto Y, Inada Y, Murakami T, Itoh Y. The Efficacy of 480 ml Oral Sodium Sulfate for Improving Insufficient Bowel Preparation of Colonoscopy with High-Concentrated Polyethylene Glycol. Gastroenterol Res Pract 2023; 2023:6359165. [PMID: 37808965 PMCID: PMC10560111 DOI: 10.1155/2023/6359165] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/18/2023] [Accepted: 08/25/2023] [Indexed: 10/10/2023] Open
Abstract
Objectives Oral sulfate solution (OSS) is used for bowel preparation (BP) during colonoscopy. The way of taking this agent can be used a same-day regimen (only on the day of colonoscopy) and split regimen (the day before and on the day of colonoscopy) for receiving it. In this study, we analyzed the efficacy of a same-day regimen of 480 ml OSS for insufficient bowel preparation (BP) with high-concentrated polyethylene glycol (H-PEG). Materials and Methods This multicenter retrospective study was conducted from December 2021 to December 2022 at three related institutions on patients aged ≥ 20 years with a fair or poor Aronchick score of BP with 1 l H-PEG in previous colonoscopy. All patients received a low-residual diet and 10 ml of 0.75% picosulfate sodium a day before the colonoscopy and 480 ml of OSS and ≥1 l of water 3 hours before the colonoscopy. We analyzed the rate of improvement with OSS compared to H-PEG and other efficacies, and adverse events (AE). Results We evaluated 125 cases (77 males) with an average age of 72.1 ± 8.8 years. The completion rate of 480 ml of OSS was 97.6% (122/125). The improvement rate of BP showing good or excellent score with OSS was 70.4% (88/125). Compared OSS with previous H-PEG, the insertion time (min) was 7.0 ± 4.8 vs. 8.1 ± 6.0 (p = 0.01), and the adenoma detection rates were 67.2% vs. 63.2% (p = 0.05). The cleansing time (min) was 131 ± 46 vs. 165 ± 53 (p < 0.01). The rate of AE with OSS was 10.4% (13/125). There were no significant differences about AE in age and gender. The tolerance of OSS compared with H-PEG (good/similar/bad) was 72.0%/24.8%/3.2% (amounts), 26.4%/39.2%/34.4% (taste), and 76.8%/10.4%/12.8% (overall preference), respectively. Conclusions The same-day regimen of 480 ml OSS effectively improved the insufficient BP of 1 l H-PEG.
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Affiliation(s)
- Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | | | - Daisuke Hasegawa
- Department of Gastroenterology, Ayabe City Hospital, Kyoto, Japan
| | - Reo Kobayashi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Yuri Tomita
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Hikaru Hashimoto
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Osamu Dohi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
| | - Yasutaka Morimoto
- Department of Gastroenterology, Kyoto Saiseikai Hospital, Kyoto, Japan
| | - Yutaka Inada
- Department of Gastroenterology, Kyoto First Red Cross Hospital, Kyoto, Japan
| | - Takaaki Murakami
- Department of Gastroenterology, Aiseikai Yamashina Hospital, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan
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Kamano S, Morimoto Y, Akimoto K, Furutani W. Complete Thrombotic Occlusion of the Abdominal Aorta. Intern Med 2022; 61:3309-3310. [PMID: 35431304 PMCID: PMC9683810 DOI: 10.2169/internalmedicine.9281-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Shumpei Kamano
- Department of Junior Resident, Kyoto Saiseikai Hospital, Japan
| | | | - Kazumi Akimoto
- Department of IVR Center, Kyoto Saiseikai Hospital, Japan
| | - Wataru Furutani
- Department of Internal Medicine, Kyoto Saiseikai Hospital, Japan
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Morimoto Y, Saitoh S, Takayama Y. Growth conditions inducing G1 cell cycle arrest enhance lipid production in the oleaginous yeast Lipomyces starkeyi. J Cell Sci 2022; 135:276362. [PMID: 35833504 DOI: 10.1242/jcs.259996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/11/2022] [Indexed: 11/20/2022] Open
Abstract
Lipid droplets are cytoplasmic organelles that store lipids for energy and membrane synthesis. The oleaginous yeast Lipomyces starkeyi is one of the most promising lipid producers and has attracted attention as a biofuel source. It is known that the expansion of lipid droplets is enhanced under nutrient-poor conditions. Therefore, we prepared a novel nitrogen-depleted medium (N medium) in which to culture L. starkeyi cells. Lipid accumulation was rapidly induced, and this was reversed by the addition of ammonium. In this condition, cell proliferation stopped and cells with giant lipid droplets were arrested in G1 phase. We investigated whether cell cycle arrest at a specific phase is required for lipid accumulation. Lipid accumulation was repressed in hydroxyurea-synchronized S phase cells and was increased in nocodazole-arrested G2/M phase cells. Moreover, the enrichment of G1 phase cells by rapamycin induced massive lipid accumulation. From these results, we conclude that L. starkeyi cells store lipids from G2/M phase and then arrest cell proliferation in the subsequent G1 phase, where lipid accumulation is enhanced. Cell cycle control is an attractive approach for biofuel production.
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Affiliation(s)
| | - Shigeaki Saitoh
- Department of Cell Biology, Institute of Life Science, Kurume University, Fukuoka, Japan
| | - Yuko Takayama
- Department of Biosciences, Teikyo University, Tochigi, Japan.,Graduate School of Science and Engineering, Teikyo University, Tochigi, Japan
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Kankanam Gamage S, Hashimoto S, Miyamoto Y, Nakano T, Yamanaka M, Koike A, Satoh M, Morimoto Y. P-218 Mitochondria transfer from adipose stem cell ameliorates the development potential of cryopreserved oocytes. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.211] [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: 11/13/2022] Open
Abstract
Abstract
Study question
Could autologous adipose stem cell (ASC) mitochondria supplementation restore the post-fertilization development potentialin vitrified-thawed oocytes?
Summary answer
Autologous ASC mitochondria supplementation could rejuvenate the quality of vitrified-thawed oocytes and enhance the embryo’s developmental capacity.
What is known already
Pre- and post-implantation developmental potential of embryos derived from vitrified oocytes are remarkedly lower than those of fresh oocytes. Despite its’ low efficacy, oocyte cryopreservation is becoming prevalent in assisted reproductive technologies to cater the growing demands due to patients' sociological and pathological conditions. Unfavorable effects to mitochondrial membrane potential, mitochondrial structure, ATP production, reactive oxygen species (ROS), meiotic spindle and microfilaments, and Ca2+ ion regulation are reported as detrimental damages in oocytes following the cryopreservation, that adversely affect the development potential. Furthermore, autologous stem cell mitochondria supplementation can rescue the aging-related oocyte mitochondrial damages.
Study design, size, duration
The mature oocytes, autologous ASC, and mitochondria were collected from young mice and analyzed at Osaka City University, Japan. In total, 600 young mouse mature oocytes were occupied in this prospective study.
Participants/materials, setting, methods
Young C57BL/6JJmsmouse (8weeks) mature oocytes that have been pre-vitrified were thawed before the start of the ICSI procedure.ASC specificity and ASC mitochondria function and ultrastructure were pre-analyzed. ASC mitochondria were isolated on the same day and supplemented with intracellular sperm injection (ICSI) and as the control, the mitochondrial buffer was injected. The survival rate, fertilization rate, blastulation, mitochondria function, ROS level in 2 cell embryos, and live birth rates were compared between the 2 groups.
Main results and the role of chance
The ASC mitochondriashowed higher membrane potential compared to the somatic cells and were spherical in shape with low cristae numbers. The survival rate and the fertilization ratewere comparable in both mitochondria supplemented and control groups. However, theASC mitochondria supplementation seemed to havesignificantly improvedthe blastocyst development capacity from 2cell embryos compared to the control group (P < 0.05;56.8% & 38.2%, respectively).And interestingly, a significantly higher ATP level was found in the mitochondria supplemented group’s 2 cell embryos thanin the control group (P < 0.05;905.6pmol & 561.1pmol respectively). And though it was not statistically significant, a higher potential ofgetting live birth was found in the mitochondria supplemented group thanthe control group after 2 cell embryo transfer.
Limitations, reasons for caution
We acknowledge that the absence of compared data with fresh oocytes’ ICSI, the detailed cellular mechanism behind theimprovement of embryo development, and transgenerational safety in offspring developed fromthe mitochondria supplementation werethe limitations of this study.
Wider implications of the findings
With these results, we propose that ASC mitochondria supplementation could rejuvenate the quality of cryopreserved oocytes and enhance the embryo developmental capacity, signifying another possible approach of mitochondrial transplantation therapy.
Trial registration number
not applicable
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Affiliation(s)
| | - S Hashimoto
- Osaka City University, Reproductive Science Institute , Osaka, Japan
| | - Y Miyamoto
- HORAC Grand Front Osaka Clinic , Embryology, Osaka, Japan
| | - T Nakano
- IVF Namba Clinic, Embryology , Osaka, Japan
| | - M Yamanaka
- IVF Namba Clinic, Research & Development , Osaka, Japan
| | - A Koike
- HORAC Grand Front Osaka Clinic , Embryology, Osaka, Japan
| | - M Satoh
- IVF Namba Clinic, Embryology , Osaka, Japan
| | - Y Morimoto
- HORAC Grand Front Osaka Clinic, Medical & Executive , Osaka, Japan
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Hashimoto S, Kankanam Gamage U, Morimoto Y. P-200 An addition of nicotinamide adenine dinucleotide (NAD+) precursor to oocyte maturation medium improves the developmental competence of bovine oocytes after IVF. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.193] [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: 11/14/2022] Open
Abstract
Abstract
Study question
Does an increase of nicotinamide adenine dinucleotide (NAD+) level in oocytes lead to an improvement of blastulation after IVF?
Summary answer
The addition of NAD+ precursor to the oocyte maturation medium increased NAD+ levels in the oocytes, improving the developmental competence to the blastocyst after IVF.
What is known already
With maternal ageing, the enzyme that degrades NAD+ (CD38) increases in cells and the amount of NAD+ in cells, including oocytes, decreases. The degradation of NAD+ is also increased when cells are isolated from tissues. NAD+, which is an electron carrier used by all eukaryotes, is reduced to NADH via beta-oxidation of fatty acids and the TCA cycle, enhancing ATP synthesis in the mitochondrial electron transfer system. In addition, an enzyme in the inner mitochondrial membrane donates protons from NADH to NADP+ to synthesize NADPH, which maintains the intracellular redox state.
Study design, size, duration
This study is a prospective study using bovine oocytes retrieved from ovaries obtained from a local slaughterhouse in Osaka city. A total of 2,501 bovine oocytes were used in this study.
Participants/materials, setting, methods
Bovine cumulus-oocyte-complexes (COCs) were matured in vitro in the culture (IVM) medium supplemented with 0-100 μM nicotinamide mononucleotide (NMN). Matured oocytes were inseminated with the washed spermatozoa and cultured to assess the blastulation. Matured oocytes were also used to examine their NAD+, reactive oxygen species (ROS) and ATP levels.
Main results and the role of chance
The addition of NMN to the IVM medium increased intracellular NAD+ levels of bovine mature oocytes at 1 µM and above. As a result, it increased intracellular ATP levels and decreased ROS levels at 10 µM and above. It also improved blastocyst formation rates after IVF at 100 µM (P < 0.05; 35%) compared with control (22.2%). Moreover, the supplementation of NMN to the IVM medium decreased the percentage of apoptotic cells and intracellular ROS levels in cumulus cells surrounding oocytes.
Limitations, reasons for caution
This study was conducted in vitro using bovine oocytes. Thus, studies using human samples should be performed before clinical application.
Wider implications of the findings
By replenishing NAD+, we have found a clue to improving the IVM and IVF outcome, which has been shown to have a lower blastocyst formation rate than conventional IVF methods using in vivo matured oocytes. It may also improve the developmental potential of oocytes retrieved from older women.
Trial registration number
not applicable
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Affiliation(s)
- S Hashimoto
- Osaka City University Graduate School of Medicine, Reproductive Science , Osaka, Japan
| | | | - Y Morimoto
- HORAC Grand Front Osaka Clinic, Medical office , Osaka, Japan
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Taniguchi H, Matsuda T, Nakaoka Y, Morimoto Y. Sexual activity of patients undergoing testicular sperm extraction. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Shimomura T, Nakajima T, Nakashima T, Morimoto Y, Yamaoka J, Shibuya A, Ohno T, Yoshida N, Kishimoto M, Konishi E, Tanaka H, Moriguchi M, Itoh Y. Eosinophilic Cholangitis with Poor Prognosis after Corticosteroid- and Ursodeoxycholic Acid-Related Remission of Peripheral and Peribiliary Eosinophilia. Case Rep Gastroenterol 2021; 15:232-243. [PMID: 33790710 PMCID: PMC7989825 DOI: 10.1159/000512420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 10/16/2020] [Indexed: 12/04/2022] Open
Abstract
A 79-year-old man presented with high fever, marked eosinophilia, altered biochemical liver function tests (LFT) with predominance of biliary enzymes, and severe wall thickening of the gallbladder. Magnetic resonance cholangiopancreatography (MRCP) suggested cholecystitis, without signs of biliary strictures. Laparoscopic cholecystectomy and exploratory liver excision revealed eosinophilic cholangitis and cholecystitis, complicated with hepatitis and portal phlebitis. Prednisolone monotherapy rapidly improved peripheral eosinophilia, but not LFT. Liver biopsy showed that infiltrating eosinophils were replaced by lymphocytes and plasma cells. Treatment with ursodeoxycholic acid improved LFT abnormalities. Nevertheless, after 2 months, transaminase-dominant LFT abnormalities appeared. Transient prednisolone dose increase improved LFT, but biliary enzymes' levels re-elevated and jaundice progressed. The second and third MRCP within a 7-month interval showed rapid progression of biliary stricture. The repeated liver biopsy showed lymphocytic, not eosinophilic, peribiliary infiltration and hepatocellular reaction to cholestasis. Eighteen months after the first visit, the patient died of hepatic failure. Autopsy specimen of the liver showed lymphocyte-dominant peribiliary infiltration and bridging fibrosis due to cholestasis. Though eosinophil-induced biliary damage was an initial trigger, repeated biopsy suggested that lymphocytes played a key role in progression of the disease. Further studies are needed to elucidate the relationship between eosinophils and lymphocytes in eosinophilic cholangitis.
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Affiliation(s)
- Takahito Shimomura
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Tomoki Nakajima
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Toshiaki Nakashima
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Yasutaka Morimoto
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Junko Yamaoka
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Akiko Shibuya
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Tomoyuki Ohno
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Norimasa Yoshida
- Department of Internal Medicine, Saiseikai Kyoto Hospital, Nagaoka-Kyo, Japan
| | - Mitsuo Kishimoto
- Department of Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Eiichi Konishi
- Department of Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hideo Tanaka
- Department of Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Michihisa Moriguchi
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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11
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Oda H, Kihara K, Morimoto Y, Takeuchi S. Cell-Based Biohybrid Sensor Device for Chemical Source Direction Estimation. Cyborg and Bionic Systems 2021; 2021:8907148. [PMID: 36285129 PMCID: PMC9494699 DOI: 10.34133/2021/8907148] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 12/31/2020] [Indexed: 02/03/2023] Open
Abstract
This paper describes a method to estimate the direction from which the signal molecule reaches the sensor by using living cells. In this context, biohybrid sensors that utilize a sophisticated sensing system of cells can potentially offer high levels of chemical-detection sensitivity and selectivity. However, biohybrid-sensor-based chemical-source-direction estimation has not received research attention because the cellular response to chemicals has not been examined in the context of directional information. In our approach, we fabricated a device that can limit the interface between the cell-laden hydrogel and the chemical solution of interest to enhance the time difference over which the chemical solution reaches the cells. Chemical detection by cells that express specific receptors is reflected as the fluorescence of the calcium indicator within the cells. Our device has eight chambers that each house 3D cell-laden collagen hydrogels facing circularly outward. The device also works as a cover to prevent chemicals from permeating the hydrogel from above. In our study, by observing the time course of the fluorescence emission of each chamber, we were able to successfully estimate the chemical-source direction within an error range of 7–13°. Our results suggest that a combination of microstructure devices embedded with living cells can be used to exploit cell functionalities to yield chemical-source directional information.
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Affiliation(s)
- H. Oda
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - K. Kihara
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - Y. Morimoto
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
| | - S. Takeuchi
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
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Hiramoto A, Suzuki Y, Ali A, Aoki S, Berns L, Fukuda T, Hanaoka Y, Hayato Y, Ichikawa A, Kawahara H, Kikawa T, Koga T, Komatani R, Komatsu M, Kosakai Y, Matsuo T, Mikado S, Minamino A, Mizuno K, Morimoto Y, Morishima K, Naganawa N, Naiki M, Nakamura M, Nakamura Y, Nakano N, Nakano T, Nakaya T, Nishio A, Odagawa T, Ogawa S, Oshima H, Rokujo H, Sanjana I, Sato O, Shibuya H, Sugimura K, Suzui L, Takagi H, Takao T, Tanihara Y, Yasutome K, Yokoyama M. First measurement of
ν¯μ
and
νμ
charged-current inclusive interactions on water using a nuclear emulsion detector. Int J Clin Exp Med 2020. [DOI: 10.1103/physrevd.102.072006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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13
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Ueno M, Takabatake H, Kayahara T, Morimoto Y, Mizuno M. 1000P Trends of characteristics, treatment and prognosis of hepatocellular carcinoma in Japan during the last decade. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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14
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Hill MC, Bradford AL, Steel D, Baker CS, Ligon AD, Ü AC, Acebes JMV, Filatova OA, Hakala S, Kobayashi N, Morimoto Y, Okabe H, Okamoto R, Rivers J, Sato T, Titova OV, Uyeyama RK, Oleson EM. Found: a missing breeding ground for endangered western North Pacific humpback whales in the Mariana Archipelago. ENDANGER SPECIES RES 2020. [DOI: 10.3354/esr01010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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15
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Ueno M, Takabatake H, Sue M, Kayahara T, Morimoto Y, Mizuno M. Comparison of the impact of stereotactic body radiation therapy vs radiofrequency ablation on liver function in patients with single hepatocellular carcinoma: A propensity score matching analysis. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz247.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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16
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Joujima T, Oda M, Sasaguri M, Habu M, Kataoka S, Miyamura Y, Wakasugi-Sato N, Matsumoto-Takeda S, Takahashi O, Kokuryo S, Sago T, Yoshiga D, Tanaka T, Morimoto Y. Evaluation of velopharyngeal function using high-speed cine-magnetic resonance imaging based on T2-weighted sequences: a preliminary study. Int J Oral Maxillofac Surg 2019; 49:432-441. [PMID: 31451304 DOI: 10.1016/j.ijom.2019.08.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/06/2019] [Accepted: 08/07/2019] [Indexed: 10/26/2022]
Abstract
The objective was to introduce a new technique for visualizing the three-dimensional (3D) movements of velopharyngeal-related muscles using high-speed cine-magnetic resonance imaging (MRI) based on T2-weighted sequences. The evaluation of phonation- and water swallowing-related events was performed in 11 healthy subjects. Specifically, whether cine-MRI could precisely visualize normal velopharyngeal function during these two events was examined. The 3D movements of the soft palate, superior pharyngeal constrictor muscles, and levator veli palatini muscles were visualized in all 11 subjects. A noteworthy finding was that the magnetic resonance signals of the superior constrictor pharyngeal muscles and the levator veli palatini muscles were significantly higher during phonation and during water swallowing than at rest. This initial study suggests that the 3D movements of velopharyngeal-related muscles can be successfully and precisely visualized without side effects. The magnetic resonance signal changes seen in the superior pharyngeal constrictor and levator veli palatini muscles using the technique described here should be useful to develop better methods of evaluation of velopharyngeal function.
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Affiliation(s)
- T Joujima
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - M Oda
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - M Sasaguri
- Division of Maxillofacial Surgery, Kyushu Dental University, Kitakyushu, Japan
| | - M Habu
- Division of Maxillofacial Surgery, Kyushu Dental University, Kitakyushu, Japan
| | - S Kataoka
- Division of Anatomy, Kyushu Dental University, Kitakyushu, Japan
| | - Y Miyamura
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - N Wakasugi-Sato
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - S Matsumoto-Takeda
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - O Takahashi
- Division of Maxillofacial Surgery, Kyushu Dental University, Kitakyushu, Japan
| | - S Kokuryo
- Division of Oral Medicine, Kyushu Dental University, Kitakyushu, Japan
| | - T Sago
- Division of Dental Anaesthesiology, Kyushu Dental University, Kitakyushu, Japan
| | - D Yoshiga
- Division of Oral Medicine, Kyushu Dental University, Kitakyushu, Japan
| | - T Tanaka
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - Y Morimoto
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan.
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Ammae M, Nakano T, Matsumoto Y, Yamauchi H, Ota S, Nakaoka Y, Morimoto Y. 72. THE COUPLES’ CHOICES ON PREIMPLANTATION GENETIC TESTING FOR MONOGENIC AFTER GENETIC COUNSELING IN JAPAN. Reprod Biomed Online 2019. [DOI: 10.1016/j.rbmo.2019.04.125] [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]
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18
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Nakaoka Y, Nakano T, Matsumoto Y, Ammae M, Kadogami D, Ota S, Yamauchi H, Morimoto Y. 67. BIOPSIED CELLS FROM FROZEN EMBRYOS IN PREIMPLANTATION GENETIC TESTING FOR MONOGENIC ARE INFERIOR TO FRESH EMBRYOS. Reprod Biomed Online 2019. [DOI: 10.1016/j.rbmo.2019.04.120] [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: 10/26/2022]
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19
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Tanaka T, Shiiba S, Yoshino N, Harano N, Sago T, Kito S, Matsumoto-Takeda S, Wakasugi-Sato N, Oda M, Joujima T, Miyamura Y, Imamura Y, Morimoto Y. Predicting the therapeutic effect of carbamazepine in trigeminal neuralgia by analysis of neurovascular compression utilizing magnetic resonance cisternography. Int J Oral Maxillofac Surg 2019; 48:480-487. [DOI: 10.1016/j.ijom.2018.09.012] [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] [Received: 05/17/2018] [Revised: 09/21/2018] [Accepted: 09/27/2018] [Indexed: 11/24/2022]
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20
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Mizuno S, Yamato A, Matsumoto H, Fukuda A, Morimoto Y. Clinical performance and newborn data of a newly developed closed vitrification device, cryotop CL for human embryo vitrification. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.655] [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: 11/27/2022]
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21
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Ihara F, Sakurai D, Yonekura S, Iinuma T, Yagi R, Sakurai T, Ito T, Matsuura A, Morimoto Y, Arai T, Suzuki S, Katayama K, Nakayama T, Okamoto Y. Identification of specifically reduced Th2 cell subsets in allergic rhinitis patients after sublingual immunotherapy. Allergy 2018. [PMID: 29517806 DOI: 10.1111/all.13436] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Although Th2 cells are well known to play important roles in allergic diseases including allergic rhinitis (AR), the factors that induce and sustain the pathogenesis of AR remain unclear. The recent development of sublingual immunotherapy (SLIT) is expected to allow changes to the underlying pathogenesis of AR. However, which Th2 cell subsets are important in house dust mite-induced AR (HDM-AR), the influence of SLIT on the pathogenic Th2 cells, and the association of Th2 cell subsets with SLIT efficacy have not been clarified. METHODS The cytokine production and frequency of HDM-reactive T-cell subsets in peripheral blood mononuclear cells (PBMCs) were evaluated using flow cytometry in 89 HDM-AR patients (placebo [n = 43] and HDM 300 IR [n = 46]) who participated in a placebo-controlled study of SLIT with HDM tablets. All patients provided samples both before treatment as a baseline and at the end of the 52-week study. The PBMCs were stained with CellTrace™ Violet (CTV) before culture with HDM extract, and HDM-reactive T cells were detected as the proliferated cells with diminished CTV. RESULTS HDM-reactive IL-5+ IL-13+ CD27- CD161+ CD4+ cells and ST2+ CD45RO+ CD4+ cells were observed in the peripheral blood from each patient with HDM-AR; these cells significantly decreased after SLIT in the group treated with active tablets. HDM-reactive ST2+ CD45RO+ CD4+ cells were significantly lower in active-responders. CONCLUSION Allergen-reactive ST2+ CD45RO+ CD4+ cells or those combined with IL-5+ IL-13+ CD27- CD161+ CD4+ cells may be useful as markers indicating the successful treatment of SLIT. These cells may play a crucial role in the pathogenesis of AR as pathogenic memory Th2 cells.
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Affiliation(s)
- F. Ihara
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
- Department of Medical Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - D. Sakurai
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - S. Yonekura
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - T. Iinuma
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - R. Yagi
- Department of Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - T. Sakurai
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - T. Ito
- Department of Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - A. Matsuura
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - Y. Morimoto
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - T. Arai
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - S. Suzuki
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
| | - K. Katayama
- Drug Discovery & Disease Research Laboratory; Shionogi & Co., Ltd.; Osaka Japan
| | - T. Nakayama
- Department of Immunology; Graduate School of Medicine; Chiba University; Chiba Japan
| | - Y. Okamoto
- Department of Otorhinolaryngology, Head and Neck Surgery; Graduate School of Medicine; Chiba University; Chiba Japan
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22
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Irie M, Tarui S, Matsumoto H, Mizuno S, Fukuda A, Morimoto Y. Long-term follow up of the babies born from icsi with calcium ionophore activation. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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23
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Iinuma T, Okamoto Y, Morimoto Y, Arai T, Sakurai T, Yonekura S, Sakurai D, Hirahara K, Nakayama T. Pathogenicity of memory Th2 cells is linked to stage of allergic rhinitis. Allergy 2018; 73:479-489. [PMID: 28857184 DOI: 10.1111/all.13295] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Allergic rhinitis (AR) consists of three developmental stages that are based on the presence/absence of antigen-specific IgE and symptoms. The pathogenic Th2 (Tpath2) cells constitute a population of Th2 cells with additional potentially pathogenic characteristics. We examined the relationship between Tpath2 cells and the stages of allergic rhinitis by focusing on ST2, which is an IL-33 receptor. METHODS Patients with Japanese cedar pollen-induced AR (JCP-AR) and healthy volunteers were divided into "nonsensitized," "asymptomatic sensitized (AS)," and "JCP-AR" groups. We analyzed the ST2 expression and the Th2 function of cultured CD4+ T cells. Next, we observed the progress of patients in the AS stage around the time of seasonal pollen dispersal, with the characteristics of Th2 cells. RESULTS The ST2 expression of T cells was only upregulated in the AR group. The production of IL-4 and IL-13 was found in CD4+ T cells obtained from AS by stimulation with JCP, but reactivity to IL-33 was not observed. Although IL-33 did not induce the elevation of IL-4 production in the JCP-AR group, IL-33 substantially increased the production of IL-5 and IL-13 in comparison with antigen stimulation alone. In newly afflicted patients, the increased expression of ST2 and elevated reactivity to IL-33 was observed, even before the pollen dispersal season. CONCLUSIONS Our study demonstrated that the pathogenicity of memory Th2 cells is linked to sensitization and the stage of allergic rhinitis. Therefore, Tpath2 cells may provide useful insights into the mechanism of the onset and progression of allergic rhinitis.
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Affiliation(s)
- T. Iinuma
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - Y. Okamoto
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - Y. Morimoto
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - T. Arai
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - T. Sakurai
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - S. Yonekura
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - D. Sakurai
- Department of Otorhinolaryngology, Head and Neck Surgery Chiba University Graduate School of Medicine Chiba Japan
| | - K. Hirahara
- Department of Immunology Chiba University Graduate School of Medicine Chiba Japan
| | - T. Nakayama
- Department of Immunology Chiba University Graduate School of Medicine Chiba Japan
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24
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Wakai N, Asakawa I, Tamamoto T, Morimoto Y, Yamaki K, Morimoto M, Miura S, Hasegawa M. Dosimetric Impact of Leaf Gap Error on Target Dose Using Volumetric Modulated Arc Therapy and Intensity-Modulated Radiation Therapy with Flattening Filter-Free Beam. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.2365] [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: 11/16/2022]
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25
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Miyazaki Y, Matsumoto H, Ida M, Fukuda A, Morimoto Y. Relation between newborn data and blastocyst quality of either ICM or TE grade in frozen-thawed single blastocyst transfer cycles. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.1027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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26
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Koike A, Morimoto Y, Hashimoto S, Miyamoto Y, Inoue T, Fukuda A. Oocyte vitrification is a strategical option for patients who undergo autologous mitochondrial transfer due to poor oocyte/embryo quality and poor ovarian response. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Nishikawa M, Munakata K, Takeishi T, Baba A, Kawagoe T, Beloglazov S, Nakashima N, Hashimoto K, Yokoyama, Okuno K, Morimoto Y, Moriyama H, Kawamoto K. Out-Pile Tritium Release Experiment from Various Ceramic Breeder Materials in KUR. Fusion Science and Technology 2017. [DOI: 10.13182/fst02-a22739] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- M. Nishikawa
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - K. Munakata
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - T. Takeishi
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - A. Baba
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - T. Kawagoe
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - S. Beloglazov
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - N. Nakashima
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - K. Hashimoto
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - Yokoyama
- Kyushu University, Graduate School of Engineering Science, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, JAPAN
| | - K. Okuno
- Shizuoka University, Faculty of Science, 836 Ogaya, Shizuoka 422-8529, JAPAN
| | - Y. Morimoto
- Shizuoka University, Faculty of Science, 836 Ogaya, Shizuoka 422-8529, JAPAN
| | - H. Moriyama
- Kyoto University Research Reactor Institute, Kumatori, Sennann, Osaka 590-0496, JAPAN
| | - K. Kawamoto
- Kyoto University Research Reactor Institute, Kumatori, Sennann, Osaka 590-0496, JAPAN
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Kodama H, Morimoto Y, Sasaki M, Oyaidu M, Sagara A, Noda N, Oya Y, Okuno K. Chemical Behaviors of Energetic Deuterium Implanted into Boron Coatings. Fusion Science and Technology 2017. [DOI: 10.13182/fst03-a371] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- H. Kodama
- Graduate School of Science and Engineering Shizuoka University, Shizuoka, 422-8529 Japan +81-54-238-6436
| | - Y. Morimoto
- Graduate School of Science and Engineering Shizuoka University, Shizuoka, 422-8529 Japan +81-54-238-6436
| | - M. Sasaki
- Graduate School of Science and Engineering Shizuoka University, Shizuoka, 422-8529 Japan +81-54-238-6436
| | - M. Oyaidu
- Graduate School of Science and Engineering Shizuoka University, Shizuoka, 422-8529 Japan +81-54-238-6436
| | - A. Sagara
- Radioisotope Center, The University of Tokyo, Tokyo, 113-0032 Japan
| | - N. Noda
- Radioisotope Center, The University of Tokyo, Tokyo, 113-0032 Japan
| | - Y. Oya
- National Institute for Fusion Science, Gifu, 509-5292 Japan
| | - K. Okuno
- Radiochemistry Research Laboratory, Shizuoka University, Shizuoka, 422-8529 Japan,
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Oya Y, Makide Y, Chiba K, Tanaka S, Morimoto Y, Kodama H, Okuno K, Kawano T, Asakura Y, Uda T. Hydrogen Adsorption Behavior on Stainless Steel for Cooling Pipe in Fusion Reactor. Fusion Science and Technology 2017. [DOI: 10.13182/fst03-a360] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Y. Oya
- Radioisotope Center, The University of Tokyo, Tokyo, 113-0032 Japan +81-3-5841-2885
| | - Y. Makide
- Radioisotope Center, The University of Tokyo, Tokyo, 113-0032 Japan +81-3-5841-2885
| | - K. Chiba
- Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656 Japan
| | - S. Tanaka
- Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656 Japan
| | - Y. Morimoto
- Graduate School of Science and Engineering, Shizuoka University, Shizuoka, 422-8529 Japan
| | - H. Kodama
- Graduate School of Science and Engineering, Shizuoka University, Shizuoka, 422-8529 Japan
| | - K. Okuno
- Graduate School of Science and Engineering, Shizuoka University, Shizuoka, 422-8529 Japan
| | - T. Kawano
- Safety and Environmental Research Center, National Institute for Fusion Science, Gifu, 509-5292 Japan
| | - Y. Asakura
- Safety and Environmental Research Center, National Institute for Fusion Science, Gifu, 509-5292 Japan
| | - T. Uda
- Safety and Environmental Research Center, National Institute for Fusion Science, Gifu, 509-5292 Japan
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Yamamoto N, Takahashi Y, Kono T, Abe A, Kawamura K, Joujima T, Wakasugi-Sato N, Nishimura S, Oda M, Tanaka T, Kito S, Kawano K, Morimoto Y. Importance of absorbable surgical sutures for the prevention of stitch abscess after surgery in patients with oral squamous cell carcinoma. Med Oral Patol Oral Cir Bucal 2017; 22:e349-e353. [PMID: 28390120 PMCID: PMC5432083 DOI: 10.4317/medoral.21445] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 01/01/2017] [Indexed: 01/25/2023] Open
Abstract
Background To elucidate the significance of absorbable surgical sutures in the occurrence of stitch abscess after surgery in patients with oral squamous cell carcinoma (SCC). Material and Methods The subjects were 251 patients who underwent excision and/or reconstruction and/or neck dissection for oral SCC using absorbable surgical sutures. Detection rates and characteristics of patients with stitch abscess were retrospectively evaluated by comparing between our present and previous data. Results There was only one stitch abscess among the 251 patients. A significant difference in the incidence of stitch abscess was found between the present data and our previous data. Of course, no significant correlations were found between the occurrence of stitch abscess using absorbable surgical sutures and the various factors seen in our previous analysis. Conclusions A complete switch of surgical sutures from silk to absorbable surgical sutures is needed for surgery in patients with oral SCC. Key words:Stitch abscess, oral cancer, occurrence, absorbable surgical sutures, silk suture.
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Affiliation(s)
- N Yamamoto
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan,
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Sakurai D, Yonekura S, Iinuma T, Sakurai T, Morimoto Y, Mita Y, Arai T, Suzuki S, Okuma Y, Kaneko S, Okamoto Y. Sublingual immunotherapy for allergic rhinitis: subjective versus objective tools to evaluate its success. Rhinology 2016. [PMID: 27107025 DOI: 10.4193/rhin15.223] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Biomarkers that enable objective evaluation of the clinical effects of immunotherapy for allergic rhinitis have yet to be identified. METHODS This study included 40 patients who were enrolled in a large randomized, double-blind, placebo-controlled, multicenter study examining the efficacy of sublingual immunotherapy (SLIT) using Japanese cedar (JC) pollen extract during two consecutive pollen seasons from 2010 to 2012. Based on changes in total nasal symptom medication score, patients in the SLIT and placebo groups were subdivided into two subgroups: good responders and poor responders. The levels of JC pollen-specific IL-10+Foxp3+ cells and specific Th2 cytokine-producing cells were measured and the association with the efficacy of SLIT was analysed. RESULTS The total nasal symptom medication score was significantly lower in the SLIT group compared with the placebo group. The number of JC pollen-specific Th2 cytokine-producing cells increased during the pollen season in the placebo group and in poor responders in the SLIT group; however, the increases were inhibited in the good responders in the SLIT group. The number of JC pollen-specific IL-10+Foxp3+ cells increased only in these good responders. CONCLUSIONS Changes in levels of allergen-specific Th2 cytokine-producing cells and IL-10+Foxp3+ cells could be objective biomarkers for SLIT.
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Affiliation(s)
- D Sakurai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Yonekura
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Iinuma
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Sakurai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Morimoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Mita
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Arai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Suzuki
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Okuma
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Kaneko
- Torii Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Y Okamoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
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Shinozaki T, Imamura Y, Kohashi R, Dezawa K, Nakaya Y, Sato Y, Watanabe K, Morimoto Y, Shizukuishi T, Abe O, Haji T, Tabei K, Taira M. Spatial and Temporal Brain Responses to Noxious Heat Thermal Stimuli in Burning Mouth Syndrome. J Dent Res 2016; 95:1138-46. [DOI: 10.1177/0022034516653580] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Burning mouth syndrome (BMS) is an idiopathic orofacial pain condition. Although the pathophysiology of BMS is not clearly understood, central and peripheral neuropathic mechanisms are thought to be involved. The authors compared brain response to noxious heat stimuli in 16 right-handed women with primary BMS and 15 sex- and age-matched right-handed healthy female controls. A thermal stimulus sequence of 32 °C to 40 °C to 32 °C to 49 °C was repeated 4 times in a cycle. Warm and noxious heat stimuli were delivered with a Peltier thermode placed on the right palm or right lower lip for 32 s each in a session. Functional magnetic resonance imaging data were obtained by recording echoplanar images with a block design. Statistical Parametric Mapping 8 software was used to analyze the data. Patients and controls both reported feeling more pain during palm stimulation than during lip stimulation. Repetition of noxious heat stimulus on the lower lip but not on the palm induced habituation in brain activity in the cingulate cortex without reduction in pain perception. Multiple regression analysis revealed a correlation between perceived pain intensity and suppression of brain activity in the anterior cingulate cortex when the repeated thermal sequence was applied at the lower lip. Furthermore, the response of the parahippocampal area differed in BMS patients and controls when the same repeated thermal sequence was applied at the palm. The authors’ findings indicate that BMS patients show specific brain responses due to impaired function of the central and peripheral nervous systems (clinical trial registration: UMIN000015002).
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Affiliation(s)
- T. Shinozaki
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
- Clinical Research Division, Nihon University Dental Research Center, Tokyo, Japan
| | - Y. Imamura
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
- Clinical Research Division, Nihon University Dental Research Center, Tokyo, Japan
| | - R. Kohashi
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - K. Dezawa
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - Y. Nakaya
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - Y. Sato
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - K. Watanabe
- Department of Oral Diagnostic Sciences, Nihon University School of Dentistry, Tokyo, Japan
| | - Y. Morimoto
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan
| | - T. Shizukuishi
- Department of Radiology, Nihon University School of Medicine, Tokyo, Japan
| | - O. Abe
- Department of Radiology, Nihon University School of Medicine, Tokyo, Japan
| | - T. Haji
- Brain Activity Imaging Center, ATR-Promotions Inc., Osaka, Japan
| | - K. Tabei
- Department of Dementia Prevention and Therapeutics, Mie University Graduate School of Medicine, Tsu, Japan
| | - M. Taira
- Department of Cognitive Neurobiology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, Tokyo, Japan
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Abstract
We propose a method for the production of a fiber-shaped three-dimensional (3D) cellular construct of human induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs) for the quantification of the contractile force. By culturing the cardiomyocytes in a patterned hydrogel structure with fixed edges, we succeeded in fabricating hiPS-CM fibers with aligned cardiomyocytes. The fiber generated contractile force along the fiber direction due to the hiPS-CM alignment, and we were able to measure its contractile force accurately. Furthermore, to demonstrate the drug reactivity of hiPS-CM fibers, the changes in the contractile frequency and force following treatment with isoproterenol and propranolol were observed. We believe that hiPS-CM fibers will be a useful tool for pharmacokinetic analyses during drug development.
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Affiliation(s)
- Y Morimoto
- Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan.
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Taniguchi H, Katano T, Nishida K, Yao I, Morimoto Y, Matsuda T, Ito S. Expression of hOvol2 in the XY body of human spermatocytes. Andrologia 2016; 49. [DOI: 10.1111/and.12599] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2016] [Indexed: 11/30/2022] Open
Affiliation(s)
- H. Taniguchi
- Department of Medical Chemistry; Kansai Medical University; Hirakata Osaka Japan
- Department of Urology and Andrology; Kansai Medical University; Hirakata Osaka Japan
| | - T. Katano
- Department of Medical Chemistry; Kansai Medical University; Hirakata Osaka Japan
| | - K. Nishida
- Department of Medical Chemistry; Kansai Medical University; Hirakata Osaka Japan
| | - I. Yao
- Medical Photonics Research Center; Hamamatsu University School of Medicine; Hamamatsu Shizuoka Japan
| | | | - T. Matsuda
- Department of Urology and Andrology; Kansai Medical University; Hirakata Osaka Japan
| | - S. Ito
- Department of Medical Chemistry; Kansai Medical University; Hirakata Osaka Japan
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Kito S, Koga H, Kodama M, Habu M, Kokuryo S, Oda M, Matsuo K, Nishino T, Matsumoto-Takeda S, Uehara M, Yoshiga D, Tanaka T, Nishimura S, Miyamoto I, Sasaguri M, Tominaga K, Yoshioka I, Morimoto Y. Alterations in 18F-FDG accumulation into neck-related muscles after neck dissection for patients with oral cancers. Med Oral Patol Oral Cir Bucal 2016; 21:e341-8. [PMID: 27031062 PMCID: PMC4867208 DOI: 10.4317/medoral.21018] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 01/24/2016] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND 18F-fluoro-2-deoxy-D-glucose (18F-FDG) accumulations are commonly seen in the neck-related muscles of the surgical and non-surgical sides after surgery with neck dissection (ND) for oral cancers, which leads to radiologists having difficulty in diagnosing the lesions. To examine the alterations in 18F-FDG accumulation in neck-related muscles of patients after ND for oral cancer. MATERIAL AND METHODS 18F-FDG accumulations on positron emission tomography (PET)-computed tomography (CT) in neck-related muscles were retrospectively analyzed after surgical dissection of cervical lymph nodes in oral cancers. RESULTS According to the extent of ND of cervical lymph nodes, the rate of patients with 18F-FDG-PET-positive areas increased in the trapezius, sternocleidomastoid, and posterior neck muscles of the surgical and/or non-surgical sides. In addition, SUVmax of 18F-FDG-PET-positive areas in the trapezius and sternocleidomastoid muscles were increased according to the extent of the ND. CONCLUSIONS In evaluating 18F-FDG accumulations after ND for oral cancers, we should pay attention to the 18F-FDG distributions in neck-related muscles including the non-surgical side as false-positive findings.
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Affiliation(s)
- S Kito
- Division of Oral and Maxillofacial Radiology, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu 803-8580, Japan,
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Sakurai D, Yonekura S, Iinuma T, Sakurai T, Morimoto Y, Mita Y, Arai T, Suzuki S, Okuma Y, Kaneko S, Okamoto Y. Sublingual immunotherapy for allergic rhinitis: subjective versus objective tools to evaluate its success. Rhinology 2016; 54:221-30. [PMID: 27107025 DOI: 10.4193/rhino15.223] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Biomarkers that enable objective evaluation of the clinical effects of immunotherapy for allergic rhinitis have yet to be identified. METHODS This study included 40 patients who were enrolled in a large randomized, double-blind, placebo-controlled, multicenter study examining the efficacy of sublingual immunotherapy (SLIT) using Japanese cedar (JC) pollen extract during two consecutive pollen seasons from 2010 to 2012. Based on changes in total nasal symptom medication score, patients in the SLIT and placebo groups were subdivided into two subgroups: good responders and poor responders. The levels of JC pollen-specific IL-10+Foxp3+ cells and specific Th2 cytokine-producing cells were measured and the association with the efficacy of SLIT was analysed. RESULTS The total nasal symptom medication score was significantly lower in the SLIT group compared with the placebo group. The number of JC pollen-specific Th2 cytokine-producing cells increased during the pollen season in the placebo group and in poor responders in the SLIT group; however, the increases were inhibited in the good responders in the SLIT group. The number of JC pollen-specific IL-10+Foxp3+ cells increased only in these good responders. CONCLUSIONS Changes in levels of allergen-specific Th2 cytokine-producing cells and IL-10+Foxp3+ cells could be objective biomarkers for SLIT.
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Affiliation(s)
- D Sakurai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Yonekura
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Iinuma
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Sakurai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Morimoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Mita
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - T Arai
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Suzuki
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Y Okuma
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - S Kaneko
- Torii Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Y Okamoto
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
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Yoshida N, Naito Y, Siah KTH, Murakami T, Ogiso K, Hirose R, Inada Y, Inoue K, Konishi H, Kugai M, Morimoto Y, Hasegawa D, Kanemasa K, Wakabayashi N, Yagi N, Yanagisawa A, Itoh Y. High incidence of metachronous advanced adenoma and cancer after endoscopic resection of colon polyps ≥20 mm in size. Dig Endosc 2016; 28:194-202. [PMID: 26422700 DOI: 10.1111/den.12551] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 08/16/2015] [Accepted: 09/25/2015] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND AIM There are limited studies on incidence rates of metachronous neoplastic lesions after resecting large colorectal polyps. In the present study, we analyzed metachronous lesions after endoscopic resection of colorectal polyps ≥20 mm in size. METHODS We retrospectively analyzed consecutive patients who underwent endoscopic resection of polyps from 2006 to 2013 at two affiliated hospitals. All patients underwent at least two total colonoscopies before follow up to ensure minimal missed polyps. Only patients who had follow-up colonoscopy annually after resection were recruited. We separated patients according to size of polyp resected; there were 239 patients in the ≥20-mm group and 330 patients in the <20-mm group. Clinical characteristics and cumulative rates of metachronous advanced adenoma and cancer in both groups were analyzed. Advanced adenoma was defined as a neoplastic lesion ≥10 mm in size and adenoma with a villous component. RESULTS Cumulative rate of development of metachronous advanced adenoma and cancer in the ≥20-mm group was significantly higher than in the <20-mm group (22.9% vs. 9.5%, P < 0.001) at 36 months. There was also more development of small polyps 5-9 mm in the ≥20-mm group than in the <20-mm group (45.2% vs. 28.8%, P < 0.001). With respect to metachronous lesions, there were more right-sided colonic lesions in the ≥20-mm group than in the <20-mm group (78.8% vs. 50.0%, P = 0.015). CONCLUSION High incidence rates of development of metachronous neoplastic lesions were detected after resection of colorectal polyps ≥20 mm in size.
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Affiliation(s)
- Naohisa Yoshida
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Yuji Naito
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Kewin Tien Ho Siah
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore.,Division of Gastroenterology & Hepatology, University Medicine Cluster, National University Hospital, Singapore
| | - Takaaki Murakami
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Kiyoshi Ogiso
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Ryohei Hirose
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Yutaka Inada
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Ken Inoue
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Hideyuki Konishi
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
| | - Munehiro Kugai
- Department of Gastroenterology, Maizuru Medical Center, Kyoto, Japan
| | - Yasutaka Morimoto
- Department of Gastroenterology, Matsushita Memorial Hospital, Osaka, Japan
| | - Daisuke Hasegawa
- Department of Gastroenterology, Ayabe City Hospital, Osaka, Japan
| | | | | | - Nobuaki Yagi
- Department of Gastroenterology, Murakami Memorial Hospital, Gifu, Japan
| | - Akio Yanagisawa
- Department of Surgical Pathology, Graduate School of Medical Science, Kyoto, Japan
| | - Yoshito Itoh
- Department of Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Singapore
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Dainaka K, Isozaki Y, Kunieda K, Takayama S, Mukai R, Yamada N, Morimoto Y, Nagao Y, Oyamada H, Kawabata K. [A case of gastrointestinal amyloidosis and hypoproteinemia improved by tocilizumab]. Nihon Shokakibyo Gakkai Zasshi 2016; 113:245-53. [PMID: 26853984 DOI: 10.11405/nisshoshi.113.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
A woman in her 70s presented with dehydration and malnutrition due to watery diarrhea. She was examined and diagnosed with gastrointestinal amyloidosis accompanied by a protein-losing gastroenteropathy secondary to rheumatoid arthritis. She first underwent treatment with an anti-tumor necrosis factor alpha (TNF-α) antibody for secondary amyloidosis, but due to lack of adequate response, she was switched to an anti-interleukin (IL)-6 receptor antibody. Her clinical symptoms subsequently improved, and endoscopy revealed a marked decrease of amyloid protein deposits in the digestive tract. She was followed up for 3 years while continuing to receive the anti-IL-6 receptor antibody, with no recurrence. Although secondary amyloidosis is a fatal disease associated with chronic inflammatory diseases, clinical symptoms and prognosis have recently been improved by intervention with biological therapies. In particular, anti-IL-6 receptor antibodies have been reported to be superior to anti-TNF-α antibodies in the treatment of secondary amyloidosis and are expected to play a central role in treating secondary amyloidosis in the future.
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Suzuki N, Horie T, Kitahara G, Murase M, Shinozaki K, Morimoto Y. Novel Noble-Metal-Free Electrocatalyst for Oxygen Evolution Reaction in Acidic and Alkaline Media. Electrocatalysis (N Y) 2015. [DOI: 10.1007/s12678-015-0288-4] [Citation(s) in RCA: 9] [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] [Indexed: 11/24/2022]
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Wakai N, Murakami J, Asakawa I, Tamamoto T, Morimoto Y, Inoue K, Shimoda E, Inoue M, Morimoto M, Hasegawa M. The Tolerance Level of Leaf Gap Accuracy for Intensity-Modulated Radiation Therapy with Flattening Filter Free Beam. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.2142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Yamochi T, Hashimoto S, Amo A, Goto H, Yamanaka M, Inoue M, Nakaoka Y, Morimoto Y. Microfilaments play critical role on mitochondrial traffic in porcine GV oocyte. Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yoshiga D, Sasaguri M, Matsuo K, Kokuryou S, Habu M, Oda M, Kodama M, Tsurushima H, Sakaguchi O, Sakurai T, Tanaka J, Morimoto Y, Yoshioka I, Tominaga K. Intraoperative detection of viable bone with fluorescence imaging using Visually Enhanced Lesion Scope in patients with bisphosphonate-related osteonecrosis of the jaw: clinical and pathological evaluation. Osteoporos Int 2015; 26:1997-2006. [PMID: 26037792 DOI: 10.1007/s00198-015-3096-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [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] [Received: 10/30/2014] [Accepted: 02/27/2015] [Indexed: 01/05/2023]
Abstract
UNLABELLED There is no standard surgical protocol of bisphosphonate-related osteonecrosis of the jaws (BRONJ), because of the impossibility to visualize this feature intraoperatively. The aim of this study was to introduce how to provide preoperative labeling of the viable bone with minocycline bone fluorescence technique (MBFT) by using VELscope® and investigate histopathologically. INTRODUCTION The American Association of Oral and Maxillofacial Surgeons (AAOMS) and the Japanese Society of Oral and Maxillofacial Surgeons (JSOMS) now recommend a more conservative treatment strategy. There is no standard surgical protocol of bisphosphonate-related osteonecrosis of the jaws (BRONJ) because of the impossibility to visualize this feature intraoperatively. The aim of this study was to introduce a mechanism providing preoperative labeling of a viable bone using minocycline bone fluorescence technique (MBFT) with VELscope® and to histopathologically investigate. METHODS This report describes a surgical technique used in six patients with BRONJ who underwent jawbone resection under minocycline bone fluorescence imaging using VELscope®. Subsequently, we investigated and compared the clinical findings using VELscope® and histopathological findings. RESULTS Histopathological examinations showed that the non-fluorescent moiety was consistent with the BRONJ lesions. CONCLUSIONS The surgical treatments that were exactly performed using MBFT with VELscope® offered successful management of BRONJ. This bone fluorescence helped to define the margins of resection, thus improving surgical therapy for extended osteonecrosis.
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Affiliation(s)
- D Yoshiga
- Department of Science of Physical Function, Division of Maxillofacial Surgery, Kyushu Dental University, Fukuoka, Japan,
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Yoshiga D, Sasaguri M, Matsuo K, Kokuryou S, Habu M, Oda M, Kodama M, Tsurushima H, Sakaguchi O, Sakurai T, Tanaka J, Morimoto Y, Yoshioka I, Tominaga K. Erratum to: Intraoperative detection of viable bone with fluorescence imaging using Visually Enhanced Lesion Scope in patients with bisphosphonate-related osteonecrosis of the jaw: clinical and pathological evaluation. Osteoporos Int 2015; 26:2007-12. [PMID: 26100414 DOI: 10.1007/s00198-015-3208-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- D Yoshiga
- Department of Science of Physical Function, Division of Maxillofacial Surgery, Kyushu Dental University, Fukuoka, Japan,
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Morimoto Y, Kondo Y, Kataoka H, Honda Y, Kozu R, Sakamoto J, Nakano J, Origuchi T, Yoshimura T, Okita M. Heat treatment inhibits skeletal muscle atrophy of glucocorticoid-induced myopathy in rats. Physiol Res 2015; 64:897-905. [PMID: 26047372 DOI: 10.33549/physiolres.932942] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The purpose of this study was to investigate the influence of heat treatment on glucocorticoid (GC)-induced myopathy. Eight-week-old Wistar rats were randomly assigned to the control, Dex, and Dex + Heat groups. Dexamethasone (2 mg/kg) was injected subcutaneously 6 days per week for 2 weeks in the Dex and Dex + Heat group. In the Dex + Heat group, heat treatment was performed by immersing hindlimbs in water at 42 °C for 60 min, once every 3 days for 2 weeks. The extensor digitorum longus muscle was extracted following 2 weeks of experimentation. In the Dex + Heat group, muscle fiber diameter, capillary/muscle fiber ratio, and level of heat shock protein 72 were significantly higher and atrogene expression levels were significantly lower than in the Dex group. Our results suggest that heat treatment inhibits the development of GC-induced myopathy by decreasing atrogene expression and increasing angiogenesis.
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Affiliation(s)
- Y Morimoto
- Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
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Syazwani N, Azhim A, Morimoto Y, Furukawa KS, Ushida T. Decellularization of Aorta Tissue Using Sonication Treatment as Potential Scaffold for Vascular Tissue Engineering. J Med Biol Eng 2015. [DOI: 10.1007/s40846-015-0028-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Sekitoh T, Nakano T, Satoh M, Hashimoto S, Nakaoka Y, Morimoto Y. Abnormally-cleaved embryos at 1st or 2nd cleavage had low developmental potential. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Mizuno S, Ohgaki A, Matsumoto H, Fukuda A, Morimoto Y. Comparison of vitrification devices for human embryos between open and closed system. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Nakaoka Y, Hashimoto S, Amo A, Yamagata K, Takaya C, Iwahata H, Himeno T, Inoue T, Ito K, Morimoto Y. Confocal live cell images with fluorescent proteins reveal multinucleation of morphologically good day 3 embryos impairs subsequent development. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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