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Watanabe Y, Kato Y, Matsuno T. A retrospective study of the prevalence of isolated prolongation of activated partial thromboplastin time in the preoperative setting. JA Clin Rep 2024; 10:30. [PMID: 38713343 PMCID: PMC11076442 DOI: 10.1186/s40981-024-00713-4] [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: 04/14/2024] [Revised: 05/01/2024] [Accepted: 05/01/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Isolated prolongation of activated partial thromboplastin time (APTT) has various causes including inheritable bleeding disorders, and has medical significance as it can lead to the cancelation of surgery. However, even an emergency surgery can be conducted in a patient presenting with severe APTT prolongation, provided careful evaluation and appropriate measures are taken. Hence, the identification of the underlying etiology of the prolonged APTT is crucial. To date, little evidence exists regarding the prevalence of isolated APTT prolongation in Japanese patients undergoing surgery. Herein, we aimed to clarify the prevalence of isolated prolongation of APTT in the preoperative setting and to identify the reasons underlying isolated, severely prolonged APTT. METHODS Preoperative coagulation data of all elective and emergent patients who presented to the anesthetic department between January 1, 2020, and June 30, 2023, were retrospectively collected. Isolated prolongation of APTT was defined as an APTT ≥ 37 s with an international normalized ratio of prothrombin time < 1.2. The underlying etiology of the patient with isolated, severely prolonged APTT (≥ 46 s) was investigated, and canceled surgical procedures in relation to the isolated APTT prolongation were searched. RESULTS Overall, 10,684 measurements from 9413 patients were included, of which 725 (6.8%) were identified as having isolated APTT prolongation. The reasons for the severely prolonged APTT (n = 60) were miscellaneous, with the most frequently detected etiology being antiphospholipid antibody positivity. Preoperative isolated APTT prolongation contributed to the cancellation of surgery in elective five cases. CONCLUSIONS We clarified the prevalence of preoperative isolated prolongation of APTT. The presence of antiphospholipid antibody was the most frequently detected etiology of the patient with isolated, severely prolonged APTT. The present study provides an important dataset regarding the isolated prolongation of APTT in East Asian patients undergoing surgery.
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Affiliation(s)
- Yasuhiro Watanabe
- Department of Anesthesia, Japanese Red Cross Shizuoka Hospital, 8-2 Otemachi Aoi-ku, Shizuoka, 420-0853, Japan.
| | - Yuki Kato
- Department of Anesthesia, Japanese Red Cross Shizuoka Hospital, 8-2 Otemachi Aoi-ku, Shizuoka, 420-0853, Japan
| | - Takayuki Matsuno
- Department of Anesthesia, Japanese Red Cross Shizuoka Hospital, 8-2 Otemachi Aoi-ku, Shizuoka, 420-0853, Japan
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Kato Y, Yamada S, Takazawa S, Hattori S, Okada T, Ohuchi H. Comparative study on clinical outcomes in autologous chondrocyte implantation using three-dimensional cultured JACC ® with collagen versus periosteum coverings. Sci Rep 2024; 14:9834. [PMID: 38684723 PMCID: PMC11058265 DOI: 10.1038/s41598-024-59798-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 04/15/2024] [Indexed: 05/02/2024] Open
Abstract
This study investigates the efficacy of a collagen membrane as a substitute for autologous periosteum in atelocollagen-assisted autologous chondrocyte implantation (ACI) using J-TEC autologous cultured cartilage (JACC®). Sixty-nine patients with knee joint chondral defects underwent ACI using JACC®-34 with periosteum-covered ACI (P-ACIs) and 35 with collagen-covered ACI (C-ACIs). Clinical outcomes were compared through patient-reported measures, International Cartilage Repair Society (ICRS) Cartilage Repair Assessment (CRA) scores at second-look arthroscopy one year postoperatively, and adverse event incidence. Postoperative subjective scores significantly improved up to two years, with no significant differences between P-ACI and C-ACI groups. However, C-ACI exhibited a lower adverse event rate (p = 0.034) and significantly higher ICRS CRA scores (p = 0.0001). Notably, C-ACI outperformed P-ACI in both femoral condyle and trochlea assessments (p = 0.0157 and 0.0005, respectively). While clinical outcomes were comparable, the use of a collagen membrane demonstrated superiority in ICRS CRA during second-look arthroscopy and adverse event occurrence.
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Affiliation(s)
- Yuki Kato
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan.
| | - Shin Yamada
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan
| | - Shuzo Takazawa
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan
| | - Soichi Hattori
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan
| | - Takuya Okada
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan
| | - Hiroshi Ohuchi
- Department of Sports Medicine, Kameda Medical Center, 929 Higashi-Cho, Kamogawa City, Chiba Prefecture, 296-8602, Japan
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Kato Y, Kamatani A, Shigehara K, Mizokami A. Real-world short-term outcomes of prostate urethral lift in Japan: A prospective cohort study. Int J Urol 2024. [PMID: 38634354 DOI: 10.1111/iju.15468] [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: 02/07/2024] [Accepted: 04/07/2024] [Indexed: 04/19/2024]
Abstract
OBJECTIVES We report the first prospective trial of prostatic urethral lift for the treatment of lower urinary tract symptoms associated with benign prostatic hyperplasia in Japan. METHODS This prospective study was conducted at a single institution and included patients with benign prostatic hyperplasia who underwent prostatic urethral lift based on the Japanese surgical indication. The primary efficacy endpoint was reduced international prostatic symptoms score in the early postoperative period after prostatic urethral lift. To assess efficacy, international prostatic symptoms score, quality of life, sexual health inventory for men, and uroflowmetry were evaluated 2 weeks before, 2 weeks after, and 6 weeks after surgery. RESULTS We enrolled 120 elderly men. The patients experienced significantly reduced international prostatic symptoms scores from 15 at the baseline to 13 at 2 weeks, and to 10 at 6 weeks, respectively. The peak flow rates did not change significantly at any time point. Three patients had serious adverse events of grade 3a in the Clavien-Dindo classification. Four patients were evaluated for sexual function, and none had ejaculatory dysfunction. CONCLUSION In the Japanese population, prostatic urethral lift is reliably performed under local anesthesia and rapidly improves symptoms.
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Affiliation(s)
- Yuki Kato
- Department of Urology, Wajima Municipal Hospital, Wajima, Japan
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Aya Kamatani
- Department of Urology, Wajima Municipal Hospital, Wajima, Japan
| | - Kazuyoshi Shigehara
- Department of Urology, Wajima Municipal Hospital, Wajima, Japan
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Atsushi Mizokami
- Department of Urology, Wajima Municipal Hospital, Wajima, Japan
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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Tomono K, Kato Y, Wadachi J, Tasaka A, Takemoto S, Yamashita S. Influence of Different Undercut Depths of Clasp Fabricated by Selective Laser Melting on Retentive Force. Eur J Prosthodont Restor Dent 2024. [PMID: 38591550 DOI: 10.1922/ejprd_2648tomono09] [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] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 02/20/2024] [Indexed: 04/10/2024]
Abstract
INTRODUCTION The purpose of this study was to investigate the influence of undercut depths on abutment teeth regarding the retentive force of clasps fabricated through selective laser melting (SLM), and to compare them with conventional cast clasps. METHODS Akers clasps made of cobalt chromium alloy were fabricated using the SLM method (SLM), and the retentive forces were compared with clasps made with the conventional cast method (Cast). Three undercut amounts (0.25 mm, 0.15 mm, and 0 mm) were applied on the abutment tooth. The specimens were subjected to 10,000 repetitive insertion/removal cycles. RESULTS SLM-0.15 showed slightly lower initial retentive force than the Cast specimens, it remained within an acceptable range. During insertion/removal test, the SLM-0.15 specimen showed a significant difference between the initial retentive force and the retentive force after 5,000 cycles, indicating that SLM-0.15 was the least likely to change in retentive force within the parameters established in this study. The inner clasp surface on the SLM groups had higher surface roughness before testing compared to the Cast specimen. CONCLUSIONS Akers clasps fabricated by SLM demonstrated optimal initial retentive forces with smaller undercuts than conventional Cast clasps, and the retentive forces changed less with repetitive insertion/removal.
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Affiliation(s)
- K Tomono
- Department of Removable Partial Prosthodontics, Tokyo Dental College, Chiyodaku, Tokyo 101-0061, Japan
| | - Y Kato
- Department of Removable Partial Prosthodontics, Tokyo Dental College, Chiyodaku, Tokyo 101-0061, Japan
| | - J Wadachi
- Department of Removable Partial Prosthodontics, Tokyo Dental College, Chiyodaku, Tokyo 101-0061, Japan
| | - A Tasaka
- Department of Removable Partial Prosthodontics, Tokyo Dental College, Chiyodaku, Tokyo 101-0061, Japan
| | - S Takemoto
- Department of Biomedical Engineering, Iwate Medical University, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
| | - S Yamashita
- Department of Removable Partial Prosthodontics, Tokyo Dental College, Chiyodaku, Tokyo 101-0061, Japan
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Domoto T, Kise K, Oyama Y, Furuya K, Kato Y, Nishita Y, Kozakai R, Otsuka R. Association of taurine intake with changes in physical fitness among community-dwelling middle-aged and older Japanese adults: an 8-year longitudinal study. Front Nutr 2024; 11:1337738. [PMID: 38571751 PMCID: PMC10989742 DOI: 10.3389/fnut.2024.1337738] [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: 11/13/2023] [Accepted: 01/17/2024] [Indexed: 04/05/2024] Open
Abstract
Introduction Taurine has diverse valuable biological functions, including antioxidant activity and regulation of osmotic pressure. Maintaining physical fitness from middle age is important for healthy life expectancy. Although taurine administration improves muscle endurance and strength, its role in maintenance remains unclear. We aimed to clarify the longitudinal taurine intake association with fitness changes. Methods Participants comprised men and women aged ≥40 years who participated in the third (2002-2004; Baseline) and seventh (2010-2012; Follow-up) waves of the National Institute for Longevity Sciences-Longitudinal Study of Aging (NILS-LSA) and completed a 3-day dietary weights recording survey at baseline. A table of taurine content was prepared for 751 foods (including five food groups: Seaweed; Fish and shellfish; Meat; Eggs; and Milk and dairy products) from the Standard Tables of Food Composition in Japan (1,878 foods) 2010. Four physical fitness items (knee extension muscle strength, sit-and-reach, one-leg standing with eyes closed, and maximum walking speed) were measured at baseline and follow-up. We analyzed the association of taurine intake with physical fitness change, employing a general linear model (GLM) and trend tests for baseline taurine intake and follow-up fitness change. Adjustments included baseline variables: sex, age, height, weight, educational level, self-rated health, smoking status, depressive symptoms, and clinical history. Results The estimated average daily taurine intake (standard deviation) was 207.5 (145.6) mg/day at the baseline. When examining the association with the four physical fitness parameters, higher taurine intake positively increased the change in knee extension muscle strength (T1; 0.1, T2; 0.8, T3; 1.1 (kgf) GLM, p < 0.05; p for trend <0.05) and reduced the decline in knee extension muscle strength in the subgroup analysis of participants aged ≥65 years (T1: -1.9, T2: -1.7, T3: -0.4 kgf; GLM p < 0.05, p for trend <0.05). No relationship was found between taurine intake and the remaining three fitness factors. Conclusion Estimation of taurine intake showed that dietary taurine intake potentially contributes to the maintenance of knee extension muscle strength over 8 years among Japanese community-dwelling middle-aged and older individuals. This is the first study to investigate the association of dietary taurine intake with muscle strength.
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Affiliation(s)
- Takashi Domoto
- Self-Medication Research and Development Headquarters, Taisho Pharmaceutical Co., Ltd., Tokyo, Japan
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Kazuyoshi Kise
- Self-Medication Research and Development Headquarters, Taisho Pharmaceutical Co., Ltd., Tokyo, Japan
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Yukiko Oyama
- Self-Medication Research and Development Headquarters, Taisho Pharmaceutical Co., Ltd., Tokyo, Japan
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Kanae Furuya
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Yuki Kato
- Faculty of Health and Medical Sciences, Aichi Shukutoku University, Nagakute, Japan
| | - Yukiko Nishita
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Rumi Kozakai
- School of Lifelong Sport, Hokusho University, Ebetsu, Japan
| | - Rei Otsuka
- Department of Epidemiology of Aging, Research Institute, National Center for Geriatrics and Gerontology, Obu, Japan
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Lee S, Ogino S, Sowa Y, Yamamoto K, Kato Y, Munisso MC, Saito S, Shirai M, Yamaoka T, Morimoto N. Evaluation of adipogenesis over time using a novel bioabsorbable implant without the addition of exogenous cells or growth factors. Regen Ther 2024; 25:220-228. [PMID: 38260087 PMCID: PMC10801210 DOI: 10.1016/j.reth.2023.12.015] [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] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/25/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
Background Breast reconstruction is crucial for patients who have undergone mastectomy for breast cancer. Our bioabsorbable implants comprising an outer poly-l-lactic acid mesh and an inner component filled with collagen sponge promote and retain adipogenesis in vivo without the addition of exogenous cells or growth factors. In this study, we evaluated adipogenesis over time histologically and at the gene expression level using this implant in a rodent model. Methods The implants were inserted in the inguinal and dorsal regions of the animals. At 1, 3, 6, and 12 months post-operation, the weight, volume, and histological assessment of all newly formed tissue were performed. We analyzed the formation of new adipose tissue using multiphoton microscopy and RNA sequencing. Results Both in the inguinal and dorsal regions, adipose tissue began to form 1 month post-operation in the peripheral area. Angiogenesis into implants was observed until 3 months. At 6 months, microvessels matured and the amount of newly generated adipose tissue peaked and was uniformly distributed inside implants. The amount of newly generated adipose tissue decreased from 6 to 12 months but at 12 months, adipose tissue was equivalent to the native tissue histologically and in terms of gene expression. Conclusions Our bioabsorbable implants could induce normal adipogenesis into the implants after subcutaneous implantation. Our implants can serve as a novel and safe material for breast reconstruction without requiring exogenous cells or growth factors.
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Affiliation(s)
- Sunghee Lee
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shuichi Ogino
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Shiga, Japan
| | - Yoshihiro Sowa
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kenta Yamamoto
- Department of Immunology, Kyoto Prefecture University of Medicine, Kyoto, Japan
| | - Yuki Kato
- Gunze QOL Research Center Laboratory, Kyoto, Japan
| | - Maria Chiara Munisso
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Susumu Saito
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Manabu Shirai
- Omics Research Center (ORC), National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Nagaoka K, Iwanaga N, Takegoshi Y, Murai Y, Kawasuji H, Miura M, Sato Y, Hatakeyama Y, Ito H, Kato Y, Shibayama N, Terasaki Y, Fujimura T, Takazono T, Kosai K, Sugano A, Morinaga Y, Yanagihara K, Mukae H, Yamamoto Y. Mortality risk factors and fulminant sub-phenotype in anaerobic bacteremia: a 10-year retrospective, multicenter, observational cohort study. Eur J Clin Microbiol Infect Dis 2024; 43:459-467. [PMID: 38172403 DOI: 10.1007/s10096-023-04743-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/20/2023] [Indexed: 01/05/2024]
Abstract
PURPOSE During the last decade, the incidence of anaerobic bacteremia (AB) has been increasing. Patients with AB may develop complex underlying diseases, which can occasionally be accompanied by fatal or fulminant outcomes. However, the risk factors for AB-related mortality remain unclear. Herein, we sought to elucidate the risk factors for AB-related mortality. METHODS In this multicenter, retrospective, observational study, we enrolled patients with culture-proven AB from six tertiary hospitals in Japan, between January 2012 and December 2021. Data on patient and infection characteristics, laboratory findings, treatment, and outcome were collected, and their associations with mortality were analyzed. RESULTS A total of 520 participants were included. The 30-day mortality in the study cohort was 14.0% (73 patients), and malignant tumors were frequently observed comorbidities in 48% of the entire cohort. Multivariable logistic regression analysis showed a Charlson comorbidity score of > 6, serum creatinine level of > 1.17 mg/dL, and hypotension to be independent risk factors for 30-day mortality in AB (odds ratios [ORs] 2.12, 2.25, and 5.12, respectively; p < 0.05), whereas drainage significantly reduced this risk (OR, 0.28; p < 0.0001). Twelve patients (2.3% of the whole cohort and 16.4% of the deceased patients) presented with extremely rapid progression leading to fatal outcome, consistent with "fulminant AB." CONCLUSIONS This study identified acute circulatory dysfunction and performance of drainage as independent predictive factors for 30-day AB-related mortality and revealed the existence of a fulminant AB sub-phenotype. Our findings could serve as a practical guide to predict the clinical outcomes of AB.
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Affiliation(s)
- Kentaro Nagaoka
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama, 930-0194, Japan.
| | - N Iwanaga
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Y Takegoshi
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Y Murai
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama, 930-0194, Japan
| | - H Kawasuji
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama, 930-0194, Japan
| | - M Miura
- Department of Infection Control, Toyama Nishi General Hospital, Toyama, Japan
| | - Y Sato
- Department of Infection Control, Kamiichi General Hospital, Toyama, Japan
| | - Y Hatakeyama
- Department of Infection Control, Takaoka City Hospital, Toyama, Japan
| | - H Ito
- Department of Infection Control, Takaoka City Hospital, Toyama, Japan
| | - Y Kato
- Department of Infection Control, Toyama City Hospital, Toyama, Japan
| | - N Shibayama
- Department of Infection Control, Toyama City Hospital, Toyama, Japan
| | - Y Terasaki
- Department of Infection Control, Toyama City Hospital, Toyama, Japan
| | - T Fujimura
- Department of Infection Control, Toyama City Hospital, Toyama, Japan
| | - T Takazono
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - K Kosai
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - A Sugano
- Center for Clinical Research, Toyama University Hospital, Toyama, Japan
| | - Y Morinaga
- Department of Microbiology, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, Toyama, Japan
| | - K Yanagihara
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - H Mukae
- Department of Respiratory Medicine, Nagasaki University Hospital, Nagasaki, Japan
| | - Y Yamamoto
- Department of Clinical Infectious Diseases, Toyama University Graduate School of Medicine and Pharmaceutical Sciences, 2630 Sugitani, Toyama, 930-0194, Japan
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Kamogawa K, Kato Y, Tamaki Y, Noguchi T, Nozaki K, Nakagawa T, Ishitani O. Overall reaction mechanism of photocatalytic CO 2 reduction on a Re(i)-complex catalyst unit of a Ru(ii)-Re(i) supramolecular photocatalyst. Chem Sci 2024; 15:2074-2088. [PMID: 38332814 PMCID: PMC10848666 DOI: 10.1039/d3sc06059d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 12/20/2023] [Indexed: 02/10/2024] Open
Abstract
Rhenium(i) complexes fac-[ReI(diimine)(CO)3(L)]n+ are mostly used and evaluated as photocatalysts and catalysts in both photochemical and electrochemical systems for CO2 reduction. However, the selective reduction mechanism of CO2 to CO is unclear, although numerous mechanistic studies have been reported. A Ru(ii)-Re(i) supramolecular photocatalyst with fac-[ReI(diimine)(CO)3{OC(O)OCH2CH2NR2}] (R = C2H4OH) as a catalyst unit (RuC2Re) exhibits very high efficiency, selectivity, and durability of CO formation in photocatalytic CO2 reduction reactions. In this work, the reaction mechanism of photocatalytic CO2 reduction using RuC2Re is fully clarified. Time-resolved IR (TR-IR) measurements using rapid-scan FT-IR spectroscopy with laser flash photolysis verify the formation of RuC2Re(COOH) with a carboxylic acid unit, i.e., fac-[ReI(diimine)(CO)3(COOH)], in the photocatalytic reaction solution. Additionally, this important intermediate is detected in an actual photocatalytic reaction using steady state irradiation. Kinetics analysis of the TR-IR spectra and DFT calculations demonstrated the reaction mechanism of the conversion of the one-electron reduced species of RuC2Re with a fac-[ReI(diimine˙-)(CO)3{OC(O)OCH2CH2NR2}]- unit, which was produced via the photochemical reduction of RuC2Re by 1,3-dimethyl-2-phenyl-2,3-dihydro-1H-benzo[d]imidazole (BIH), to RuC2Re(COOH). The kinetics of the recovery processes of the starting complex RuC2Re from RuC2Re(COOH) accompanying the release of CO and OH- was also clarified. As a side reaction of RuC2Re(COOH), a long-lived carboxylate-ester complex with a fac-[ReI(diimine)(CO)3(COOC2H4NR2)] unit, which was produced by the nucleophilic attack of TEOA to one of the carbonyl ligands of RuC2Re(CO) with a fac-[ReI(diimine)(CO)4]+ unit, was formed during the photocatalytic reaction. This complex works not only as a precursor in another minor CO formation process but also as an external photosensitiser that photochemically reduces the other complexes i.e., RuC2Re, RuC2Re(COOH), and the intermediate that is reductively converted to RuC2Re(COOH).
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Affiliation(s)
- Kei Kamogawa
- Department of Chemistry, School of Science, Tokyo Institute of Technology 2-12-1-NE-2 O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Yuki Kato
- Department of Physics, Graduate School of Science, Nagoya University Nagoya 464-8602 Japan
| | - Yusuke Tamaki
- Department of Chemistry, School of Science, Tokyo Institute of Technology 2-12-1-NE-2 O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Takumi Noguchi
- Department of Physics, Graduate School of Science, Nagoya University Nagoya 464-8602 Japan
| | - Koichi Nozaki
- Department of Chemistry, Graduated School of Science and Engineering, University of Toyama 3190, Gofuku, Toya-ma-shi Toyama 930-8555 Japan
| | - Tatsuo Nakagawa
- UNISOKU Co., Ltd 2-4-3 Kasugano, Hirakata Osaka 573-0131 Japan
| | - Osamu Ishitani
- Department of Chemistry, School of Science, Tokyo Institute of Technology 2-12-1-NE-2 O-okayama, Meguro-ku Tokyo 152-8550 Japan
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University 1-3-1 Kagamiyama, Higashi-Hiroshima Hiroshima 739 8526 Japan
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Mita K, Izumi K, Goriki A, Tasaka R, Hatayama T, Shima T, Kato Y, Kamiyama M, Inoue S, Tanaka N, Hoshi S, Okamura T, Yoshio Y, Enokida H, Chikazawa I, Kawai N, Hashimoto K, Fukagai T, Shigehara K, Takahara S, Kadono Y, Mizokami A. Enzalutamide versus Abiraterone Plus Prednisolone for Nonmetastatic Castration-Resistant Prostate Cancer: A Sub-Analysis from the ENABLE Study for PCa. Cancers (Basel) 2024; 16:508. [PMID: 38339260 PMCID: PMC10854983 DOI: 10.3390/cancers16030508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/07/2024] [Accepted: 01/20/2024] [Indexed: 02/12/2024] Open
Abstract
Enzalutamide (ENZ) and abiraterone plus prednisolone (ABI) can improve the survival of patients with castration-resistant prostate cancer (CRPC). However, the agent that is more effective against nonmetastatic CRPC remains unclear. To evaluate the agent that can be used as the first-line treatment for CRPC, an investigator-initiated, multicenter, randomized controlled trial (ENABLE Study for PCa) including both metastatic and nonmetastatic CRPC was conducted in Japan. The prostate-specific antigen (PSA) response rate, overall survival, some essential survival endpoints, and safety of patients with nonmetastatic CRPC were also analyzed. In this subanalysis, 15 and 26 patients in the ENZ and ABI arms, respectively, presented with nonmetastatic CRPC. There was no significant difference in terms of the PSA response rate between the ENZ and ABI arms (80% and 64%, respectively; p = 0.3048). The overall survival did not significantly differ between the two arms (HR: 0.68; 95% CI: 0.22-2.14, p = 0.5260). No significant differences were observed in terms of radiographic progression-free survival and cancer-specific survival between the ENZ and ABI arms (HR: 0.81; 95% CI: 0.35-1.84; p = 0.6056 and HR: 0.72; 95% CI: 0.19-2.73; p = 0.6443, respectively). Only four and six patients in the ENZ and ABI arms, respectively, had ≥grade 3 adverse events. ABI and ENZ had similar efficacy and safety profiles in patients with nonmetastatic CRPC.
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Affiliation(s)
- Koji Mita
- Department of Urology, Hiroshima City North Medical Center Asa Citizens Hospital, 1-2-1 Kameyama-Minami, Asakita-ku, Hiroshima 731-0293, Japan
| | - Kouji Izumi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
| | - Akihiro Goriki
- Department of Urology, Hiroshima City North Medical Center Asa Citizens Hospital, 1-2-1 Kameyama-Minami, Asakita-ku, Hiroshima 731-0293, Japan
- Department of Urology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Ryo Tasaka
- Department of Urology, Hiroshima City North Medical Center Asa Citizens Hospital, 1-2-1 Kameyama-Minami, Asakita-ku, Hiroshima 731-0293, Japan
- Department of Urology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Tomoya Hatayama
- Department of Urology, Hiroshima City North Medical Center Asa Citizens Hospital, 1-2-1 Kameyama-Minami, Asakita-ku, Hiroshima 731-0293, Japan
- Department of Urology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Takashi Shima
- Department of Urology, Toyama Prefectural Central Hospital, 2-2-78 Nishinagae, Toyama 930-8550, Japan
| | - Yuki Kato
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
- Department of Urology, Fukui-Ken Saiseikai Hospital, 7-1 Wadanakacho-Funabashi, Fukui 918-8503, Japan
| | - Manabu Kamiyama
- Department of Urology, University of Yamanashi, 1110 Shimokato, Chuo 409-3898, Japan
| | - Shogo Inoue
- Department of Urology, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
- Department of Urology, Shobara Red Cross Hospital, 2-7-10 Nishihonmachi, Shobara 727-0013, Japan
| | - Nobumichi Tanaka
- Department of Urology, Nara Medical University, 840 Shijocho, Kashihara 634-8521, Japan
| | - Seiji Hoshi
- Department of Urology, Fukushima Medical University, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Takehiko Okamura
- Department of Urology, Anjo Kosei Hospital, 28 Anjocho-Higashihirokute, Anjo 446-8602, Japan
| | - Yuko Yoshio
- Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu 514-8507, Japan
| | - Hideki Enokida
- Department of Urology, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan
| | - Ippei Chikazawa
- Department of Urology, Kanazawa Medical University, 1-1 Uchinadamachi-Daigaku, Kahoku 920-0293, Japan
| | - Noriyasu Kawai
- Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8602, Japan
| | - Kohei Hashimoto
- Department of Urology, School of Medicine, Sapporo Medical University, 16-291 Minami-1-Jo-Nishi, Sapporo 060-8543, Japan
| | - Takashi Fukagai
- Department of Urology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan
| | - Kazuyoshi Shigehara
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
- Department of Urology, Ishikawa Prefectural Central Hospital, 2-1 Kuratsukihigashi, Kanazawa 920-8530, Japan
| | - Shizuko Takahara
- Innovative Clinical Research Center, Kanazawa University, 13-1 Takaramachi, Kanazawa 920-8641, Japan
- Medical Research Support Center, University of Fukui Hospital, 23-3 Shimoaizuki, Matsuoka Eiheiji-cho Yoshida-gun, Fukui 910-1193, Japan
| | - Yoshifumi Kadono
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, 13-1 Takaramachi, Kanazawa 920-8641, Japan
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Osuka Y, Takeshima N, Kojima N, Kohama T, Fujita E, Kusunoki M, Kato Y, Brechue WF, Sasai H. Discrimination of Frailty Phenotype by Kinect TM-Based Stepping Parameters. JAR Life 2023; 12:100-104. [PMID: 38186668 PMCID: PMC10767484 DOI: 10.14283/jarlife.2023.17] [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] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/04/2023] [Indexed: 01/09/2024]
Abstract
Background Frailty increases the risk of falling, hospitalization, and premature death, necessitating practical early-detection tools. Objectives To examine the discriminative ability of KinectTM-based stepping parameters for identifying frailty phenotype. Design Population-based cross-sectional study. Setting Eighteen neighborhoods near Tokyo Metropolitan Institute for Geriatrics and Gerontology, Itabashi, Tokyo, Japan. Participants In total, 563 community-dwelling older adults aged ≥75 years without mobility limitations, neurological disease, or dementia were included. Measurements Step number (SN) and knee total movement distance (KMD) during a 20-s stepping test were evaluated using the KinectTM infrared depth sensor. Results The number (%) of participants with frailty were 51 (9.1). The area under the receiver operating characteristic curves (95% confidence interval) of a parameter consisting of SN and KMD for frailty was 0.72 (0.64, 0.79). Conclusions Stepping parameters evaluated using KinectTM provided acceptable ability in identifying frailty phenotype, making it a practical screening tool in primary care and home settings.
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Affiliation(s)
- Y Osuka
- Department of Frailty Research, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, Aichi, Japan
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - N Takeshima
- Department of Health and Sports Sciences, Asahi University, Gifu, Japan
| | - N Kojima
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan
| | - T Kohama
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - E Fujita
- Department of Sports and Life Science, National Institute of Fitness and Sports in Kanoya, Kagoshima, Japan
| | - M Kusunoki
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Y Kato
- Department of Physical Therapy, Nagoya Women's University, Aichi, Japan
| | - W F Brechue
- Department of Physiology, Kirksville College of Osteopathic Medicine, A.T. Still University of Health Sciences, Missouri, USA
| | - H Sasai
- Department of Frailty Research, Center for Gerontology and Social Science, Research Institute, National Center for Geriatrics and Gerontology, Aichi, Japan
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Ogino S, Yamada A, Nakano T, Lee S, Yamanaka H, Tsuge I, Sowa Y, Sakamoto M, Kyoko F, Kambe Y, Kato Y, Arata J, Yamauchi K, Yamaoka T, Morimoto N. Long term observation of de novo adipogenesis using novel bioabsorbable implants with larger size in a porcine model. Regen Ther 2023; 24:324-331. [PMID: 37649673 PMCID: PMC10463193 DOI: 10.1016/j.reth.2023.08.004] [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: 12/22/2022] [Revised: 07/27/2023] [Accepted: 08/13/2023] [Indexed: 09/01/2023] Open
Abstract
Introduction The regeneration of adipose tissue in patients after breast cancer surgery would be desirable without the use of growth factors or cells to avoid potential recurrence and metastasis. We reported that prolate spheroidal-shaped poly-L-lactic acid (PLLA) mesh implants of approximately 18-mm polar diameter and 7.5-mm greatest equatorial diameter containing collagen sponge (CS) would be replaced by regenerated adipose tissue after implantation, thereby suggesting an innovative method for breast reconstruction. Our study aimed to evaluate the adipose tissue regeneration ability of implant aggregates in a porcine model. Methods We prepared implant aggregates consisting of thirty PLLA mesh implants containing CS packed in a woven poly (glycolic acid) bag. The implant aggregates were inserted under the mammary glands in the porcine abdomen for a year. Single and double groups were classified by inserting either one or two implant aggregates on each side of the abdomen, respectively. Results In both groups, the volume of the implant aggregates decreased over time, and the formation of adipose tissue peaked between 6 and 9 months. Histologically, the formation of adipose tissue was confirmed in the area that was in contact with native adipose tissue. Conclusions Our implant aggregates could induce the autologous adipose tissue after long term implantation in vivo, without the use of any growth factor or cell treatment, presenting a potential novel method of breast reconstruction.
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Affiliation(s)
- Shuichi Ogino
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga 520-2192, Japan
| | - Atsushi Yamada
- Department of Research and Development for Innovative Medical Devices and Systems, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga 520-2192, Japan
| | - Takashi Nakano
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Sunghee Lee
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Hiroki Yamanaka
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Itaru Tsuge
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Yoshihiro Sowa
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Michiharu Sakamoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Fukazawa Kyoko
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe Shin-machi, Suita, Osaka 564-8565, Japan
| | - Yusuke Kambe
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe Shin-machi, Suita, Osaka 564-8565, Japan
| | - Yuki Kato
- Gunze QOL Research Center Laboratory, 1 Zeze, Aono-cho, Ayabe, Kyoto 623-0051, Japan
| | - Jun Arata
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga 520-2192, Japan
| | - Koji Yamauchi
- Gunze QOL Research Center Laboratory, 1 Zeze, Aono-cho, Ayabe, Kyoto 623-0051, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe Shin-machi, Suita, Osaka 564-8565, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
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Sakurai Y, Kato Y, Momosaki R. Strategies to Facilitate Early Oral Intake After Aspiration Pneumonia. J Am Med Dir Assoc 2023; 24:2017. [PMID: 37633315 DOI: 10.1016/j.jamda.2023.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 08/28/2023]
Affiliation(s)
- Yuya Sakurai
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
| | - Yuki Kato
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
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Zhao Q, Ogino S, Lee S, Kato Y, Li Y, Sakamoto M, Yamanaka H, Nakano T, Sawaragi E, Morimoto N. Development of new bioabsorbable implants with de novo adipogenesis. Regen Ther 2023; 24:311-317. [PMID: 37638279 PMCID: PMC10448420 DOI: 10.1016/j.reth.2023.07.008] [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] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/06/2023] [Accepted: 07/26/2023] [Indexed: 08/29/2023] Open
Abstract
Poly-L-lactic acid (PLLA) mesh implants containing collagen sponge (CS) were replaced with autologous adipose tissue regeneration in vivo. Herein, we investigated the optimal external frames and internal fillings using poly (lactic-co-ε-caprolactone) (P (LA/CL)), PLLA, and low-molecular-weight PLLA (LMW-PLLA) as the external frame and polyglycolic acid (PGA) nanosheets and CS as the internal filling. We prepared six implants: P (LA/CL) with PGA nano, PLLA with PGA nano, PLLA with CS, PLLA with 1/2 CS, PLLA with 1/4 CS, and LMW-PLLA with CS, and evaluated adipogenesis at 6 and 12 months using a rat inguinal model. The internal spaces in the P (LA/CL) and LMW-PLLA implants collapsed at 6 months, whereas those in the other four implants collapsed at 12 months. Adipose tissue regeneration was not significantly different between the PLLA-implanted groups at 6 and 12 months and was greater than that in the P (LA/CL) with PGA nano and LMW-PLLA with CS groups. The PGA nanosheet inside PLLA was comparable to the CS inside PLLA in the regeneration of adipose tissue and macrophage infiltration. In summary, PLLA is a promising external frame material in which the internal space can be replaced with adipose tissue. Thus, PGA nanosheets are an alternative internal filling material for adipose tissue regeneration.
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Affiliation(s)
- Qiannan Zhao
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Shuichi Ogino
- Department of Plastic and Reconstructive Surgery, Shiga University of Medical Science, Seta Tsukinowa-cho, Otsu, Shiga, 520-2192, Japan
| | - Sunghee Lee
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Yuki Kato
- Gunze QOL Research Center Laboratory, 1 Zeze, Aono-cho, Ayabe, Kyoto 623-8511, Japan
| | - Yuanjiaozi Li
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Michiharu Sakamoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Hiroki Yamanaka
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Takashi Nakano
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Eiichi Sawaragi
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
| | - Naoki Morimoto
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyou-ku, Kyoto 606-8507, Japan
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Nagayama Y, Emoto T, Kato Y, Kidoh M, Oda S, Sakabe D, Funama Y, Nakaura T, Hayashi H, Takada S, Uchimura R, Hatemura M, Tsujita K, Hirai T. Improving image quality with super-resolution deep-learning-based reconstruction in coronary CT angiography. Eur Radiol 2023; 33:8488-8500. [PMID: 37432405 DOI: 10.1007/s00330-023-09888-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 03/22/2023] [Accepted: 04/23/2023] [Indexed: 07/12/2023]
Abstract
OBJECTIVES To evaluate the effect of super-resolution deep-learning-based reconstruction (SR-DLR) on the image quality of coronary CT angiography (CCTA). METHODS Forty-one patients who underwent CCTA using a 320-row scanner were retrospectively included. Images were reconstructed with hybrid (HIR), model-based iterative reconstruction (MBIR), normal-resolution deep-learning-based reconstruction (NR-DLR), and SR-DLR algorithms. For each image series, image noise, and contrast-to-noise ratio (CNR) at the left main trunk, right coronary artery, left anterior descending artery, and left circumflex artery were quantified. Blooming artifacts from calcified plaques were measured. Image sharpness, noise magnitude, noise texture, edge smoothness, overall quality, and delineation of the coronary wall, calcified and noncalcified plaques, cardiac muscle, and valves were subjectively ranked on a 4-point scale (1, worst; 4, best). The quantitative parameters and subjective scores were compared among the four reconstructions. Task-based image quality was assessed with a physical evaluation phantom. The detectability index for the objects simulating the coronary lumen, calcified plaques, and noncalcified plaques was calculated from the noise power spectrum (NPS) and task-based transfer function (TTF). RESULTS SR-DLR yielded significantly lower image noise and blooming artifacts with higher CNR than HIR, MBIR, and NR-DLR (all p < 0.001). The best subjective scores for all the evaluation criteria were attained with SR-DLR, with significant differences from all other reconstructions (p < 0.001). In the phantom study, SR-DLR provided the highest NPS average frequency, TTF50%, and detectability for all task objects. CONCLUSION SR-DLR considerably improved the subjective and objective image qualities and object detectability of CCTA relative to HIR, MBIR, and NR-DLR algorithms. CLINICAL RELEVANCE STATEMENT The novel SR-DLR algorithm has the potential to facilitate accurate assessment of coronary artery disease on CCTA by providing excellent image quality in terms of spatial resolution, noise characteristics, and object detectability. KEY POINTS • SR-DLR designed for CCTA improved image sharpness, noise property, and delineation of cardiac structures with reduced blooming artifacts from calcified plaques relative to HIR, MBIR, and NR-DLR. • In the task-based image-quality assessments, SR-DLR yielded better spatial resolution, noise property, and detectability for objects simulating the coronary lumen, coronary calcifications, and noncalcified plaques than other reconstruction techniques. • The image reconstruction times of SR-DLR were shorter than those of MBIR, potentially serving as a novel standard-of-care reconstruction technique for CCTA performed on a 320-row CT scanner.
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Affiliation(s)
- Yasunori Nagayama
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan.
| | - Takafumi Emoto
- Department of Central Radiology, Kumamoto University Hospital, Kumamoto, Japan
| | - Yuki Kato
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Masafumi Kidoh
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Seitaro Oda
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Daisuke Sakabe
- Department of Central Radiology, Kumamoto University Hospital, Kumamoto, Japan
| | - Yoshinori Funama
- Department of Medical Radiation Sciences, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Takeshi Nakaura
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Hidetaka Hayashi
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Sentaro Takada
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Ryutaro Uchimura
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Masahiro Hatemura
- Department of Central Radiology, Kumamoto University Hospital, Kumamoto, Japan
| | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Toshinori Hirai
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
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17
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Seguchi R, Watanabe G, Ishikawa N, Kato Y, Miyagi M, Koakutsu T, Horikawa T, Miyayama N, Shigematsu S, Miyata K, Tomita S, Ohtsuka T. Outcomes of Barlow mitral valve repaired by robot-assisted keyhole surgery. JTCVS Tech 2023; 22:16-22. [PMID: 38152230 PMCID: PMC10750981 DOI: 10.1016/j.xjtc.2023.08.032] [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] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/29/2023] [Accepted: 08/14/2023] [Indexed: 12/29/2023] Open
Abstract
Objective To present our strategy and the clinical outcomes of robot-assisted Barlow mitral valve keyhole surgery. Methods From May 2015 to March 2022, a total of 1281 patients underwent mitral valve repair at our institution, including 763 with robotics surgeries. Of these, 124 patients with Barlow mitral valve (49 ± 12 years, male/female ratio = 81:43) were treated using robotic assistance and included in this study. Results All operations were completed using 3 to 5 keyholes. Neochordae implantation using the loop technique was the first option, and resection was performed only in cases with an intrinsic risk of developing systolic anterior motion. Neochordae implantation was performed in 118 cases (95.1%) using 6.6 ± 3.0 neochordae. Posterior leaflet resection was performed in 27 (21.7%) patients. Operation time was 177 ± 42 minutes, cardiopulmonary bypass time was 127 ± 25 minutes, and aorta crossclamp time was 76 ± 16 minutes. Blood transfusion was required in 5 cases (4%). None of the patients required a conversion to valve replacement. The postoperative complications included bleeding (n = 4), stroke (n = 1), and infection (n = 2). Mitral valve regurgitation 1 week after repair was none or trivial in 122 cases (98.3%), mild in 2 cases (1.7%), and more than moderate in 0 cases. Freedom from reoperation was 99.2% during the follow-up period of 36 ± 21 months. One patient required reoperation due to infective endocarditis. Conclusions Robot-assisted keyhole surgery using the loop-first concept was adequate to help achieve satisfactory and safe perioperative outcomes for Barlow mitral valve.
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Affiliation(s)
- Ryuta Seguchi
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Go Watanabe
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Norihiko Ishikawa
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Yuki Kato
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Motomu Miyagi
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Toru Koakutsu
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Takafumi Horikawa
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Naoki Miyayama
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Sayaka Shigematsu
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Kazuto Miyata
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Shigeyuki Tomita
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
| | - Toshiya Ohtsuka
- Department of Cardiovascular Surgery, NewHeart Watanabe Institute, Tokyo, Japan
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18
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Matono T, Ueno S, Kato Y, Umehara N, Lang Z, Li Y, Ninomiya W, Elhallal M, Gonzales-Yañez EO, Capron M, Ishikawa S, Ueda W, Sano T, Sadakane M. Preparation and isolation of mono-Nb substituted Keggin-type phosphomolybdic acid and its application as an oxidation catalyst for isobutylaldehyde and Wacker-type oxidation. Dalton Trans 2023. [PMID: 37971057 DOI: 10.1039/d3dt02451b] [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: 11/19/2023]
Abstract
The potassium and proton mixed salt of mono-Nb substituted Keggin-type phosphomolybdate, KH3[PMo11NbO40], was isolated in a pure form by reacting Keggin-type phosphomolybdic acid (H3[PMo12O40]) and potassium hexaniobate (K8Nb6O19) in water, followed by freeze-drying. The all protonic form, H4[PMo11NbO40], was isolated via proton exchange with H-resin and subsequent freeze-drying. The most crucial factor to isolate KH3[PMo11NbO40] and H4[PMo11NbO40] in pure forms is the evaporation of water using the freeze-drying method. Using a similar procedure, the potassium salt of the di-Nb substituted compound K5[PMo10Nb2O40] was isolated. H4[PMo11NbO40] exhibited high catalytic activity for oxidizing isobutylaldehyde to methacrolein and moderate catalytic activity for the Wacker-type oxidation of allyl phenyl ether when combined with Pd(OAc)2.
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Affiliation(s)
- Takashi Matono
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Shinsuke Ueno
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Yuki Kato
- MMA R&D Center, Mitsubishi Chemical Corporation, 20-1, Miyuki-cho, Ootake, Hiroshima 739-0693, Japan
| | - Naoya Umehara
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Zhongling Lang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Wataru Ninomiya
- MMA R&D Center, Mitsubishi Chemical Corporation, 20-1, Miyuki-cho, Ootake, Hiroshima 739-0693, Japan
| | - Maher Elhallal
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Edgar Osiris Gonzales-Yañez
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Mickael Capron
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Satoshi Ishikawa
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Wataru Ueda
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Tsuneji Sano
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Masahiro Sadakane
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
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19
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Tohyama M, Shirai Y, Shimizu M, Kato Y, Kokura Y, Momosaki R. Predictive Value of the Hemoglobin-Geriatric Nutritional Risk Index in Patients with Heart Failure. Nutrients 2023; 15:4789. [PMID: 38004182 PMCID: PMC10675143 DOI: 10.3390/nu15224789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Malnutrition prevails among patients with heart failure (HF), increasing the likelihood of functional decline. We assessed the predictive value of the Hemoglobin-Geriatric Nutritional Risk Index (H-GNRI)-combining hemoglobin and the Geriatric Nutritional Risk Index (GNRI)-on prognosis in older patients with HF. We used the JMDC multicenter database to examine the potential associations between malnutrition risk and other outcome measures. The patients were categorized as low- (H-GNRI score = 0), intermediate- (H-GNRI score = 1), or high-risk (H-GNRI score = 2) based on their H-GNRI scores. The primary outcome measure was the Barthel Index (BI) gain; the secondary outcomes included the BI at discharge, the BI efficiency, length of hospital stay, in-hospital mortality, discharge to home or a nursing home, and hospitalization-associated disability. We analyzed 3532 patients, with 244 being low-risk, 952 being intermediate-risk, and 2336 being high-risk patients. The high-risk group of patients had significantly lower BI values at discharge, lower BI gains, reduced BI efficiency values, and prolonged hospital stays compared to those in the low-risk group. The high-risk patients also had higher in-hospital mortality rates, lower rates of discharge to home or a nursing home, and greater incidences of a hospitalization-associated disability in comparison to the low-risk group. The H-GNRI may serve as a valuable tool for determining prognoses for patients with HF.
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Affiliation(s)
- Momoko Tohyama
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.T.); (Y.S.); (Y.K.)
| | - Yuka Shirai
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.T.); (Y.S.); (Y.K.)
- Department of Nutrition, Hamamatsu Medicine University Hospital, Hamamatsu 431-3192, Japan
| | - Miho Shimizu
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan;
| | - Yuki Kato
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.T.); (Y.S.); (Y.K.)
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan;
| | - Yoji Kokura
- Department of Nutritional Management, Keiju Hatogaoka Integrated Facility for Medical and Long-Term Care, Hosu 927-0023, Japan;
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan; (M.T.); (Y.S.); (Y.K.)
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan;
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20
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Kato Y, Ito T, Yamamoto K, Furukawa A, Shintaku H, Yamamoto K, Sakai M, Tomita Y, Chino Y, Uchida K, Kawada K, Ohashi K. Invasive features of superficial oesophageal squamous cell carcinoma-analysis of risk factors for lymph node metastasis. Virchows Arch 2023; 483:645-653. [PMID: 37341813 DOI: 10.1007/s00428-023-03582-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/08/2023] [Accepted: 06/14/2023] [Indexed: 06/22/2023]
Abstract
There are currently no studies that have examined the clinicopathological factors in detail, including the histological images of the invasive front, and the risk of lymph node metastasis (LNM) in superficial oesophageal squamous cell carcinoma (SESCC). This study aimed to develop an algorithm that contributes to a better assessment of the risk of LNM and recurrence in SESCC. Clinicopathological factors, such as submucosal (SM) invasion distance, were examined in 88 surgically resected cases of SESCC. An SM invasion distance of 600 μm was the statistically best customer value for LNM (p = 0.0043). To obtain a histological image of the invasive front, we evaluated modified tumour budding (MBD) by modifying the number of tumour foci constituent cells and foci in tumour budding. We also evaluated the smallest number of tumour foci. Using these factors, we developed an algorithm to predict the risk of LNM. The best algorithm was created using an SM invasion distance of 600 μm and an index of 5 or more foci consisting of five or fewer tumour cells in the MBD (MBD5 high-grade ≥ 5), which was also significantly associated with recurrence-free survival (p = 0.0305). Further study of the algorithm presented in this study is expected to improve the quality of life of patients by selecting appropriate additional treatments after endoscopic resection and appropriate initial treatment for SESCC.
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Affiliation(s)
- Yuki Kato
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Takashi Ito
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Kouhei Yamamoto
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
| | - Asuka Furukawa
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Hiroshi Shintaku
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Kurara Yamamoto
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Momoka Sakai
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yoshinobu Tomita
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yusuke Chino
- Division of Surgical Pathology, Tokyo Medical and Dental University Hospital, Tokyo, Japan
| | - Keisuke Uchida
- Division of Surgical Pathology, Tokyo Medical and Dental University Hospital, Tokyo, Japan
| | - Kenro Kawada
- Department of Esophageal Surgery, Tokyo Medical and Dental University Hospital, Tokyo, Japan
| | - Kenichi Ohashi
- Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
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21
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Takeuchi N, Taniguchi M, Kato Y, Takata R, Osaka I, Nakajima N, Hamada M, Koyama Y. Synthesis and Conformational Behaviors of Unnatural Peptides Alternating Chiral and Achiral α,α-Disubstituted α-Amino Acid Units. Macromol Rapid Commun 2023; 44:e2300323. [PMID: 37668077 DOI: 10.1002/marc.202300323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/27/2023] [Indexed: 09/06/2023]
Abstract
The development of peptidomimetics to modulate the conformational profile of peptides has been extensively studied in the fields of biological and medicinal chemistry. However, large-scale synthesis of peptidomimetics with both an ordered sequence and a controlled secondary structure is highly challenging. In this paper, the framework of peptidomimetics has been designed to be alternating an achiral α,α-disubstituted α-amino acid unit and a chiral α-methylphenylalanine unit. The polymers are synthesized via invented Ugi reaction-based polycondensation technique. The chiral higher-order structures of the alternating peptides are evaluated mainly through circular dichroism (CD) spectroscopy. The UV-Vis and CD spectra of the polymers in three solvents are systematically measured at various temperatures. The anisotropic factors of CD (gCD ) values are calculated to know the chiroptical response. The results indicate the characteristic conformational behaviors. In a polar solvent, the hydrogen bonds between the N-H group of MePhe unit and the C=O of α,α-diphenylglycine unit outweigh the intraresidue hydrogen bonds in α,α-diphenylglycine unit, leading to the formation of a prevailing preferred-handed 310 -helical conformation. On the other hand, in a less polar solvent, the intrachain hydrogen bonds switch to intraresidue hydrogen bonds in α,α-diphenylglycine unit, which make the polymer adopting a prevailing extended planar C5 -conformation.
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Affiliation(s)
- Nanami Takeuchi
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Masataka Taniguchi
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Yuki Kato
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Riko Takata
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Issey Osaka
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Noriyuki Nakajima
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Masahiro Hamada
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
| | - Yasuhito Koyama
- Department of Pharmaceutical Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
- Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama, 939-0398, Japan
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22
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Lim AY, Kato Y, Sakolish C, Valdiviezo A, Han G, Bajaj P, Stanko J, Ferguson SS, Villenave R, Hewitt P, Hardwick RN, Rusyn I. Reproducibility and Robustness of a Liver Microphysiological System PhysioMimix LC12 under Varying Culture Conditions and Cell Type Combinations. Bioengineering (Basel) 2023; 10:1195. [PMID: 37892925 PMCID: PMC10603899 DOI: 10.3390/bioengineering10101195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/04/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
The liver is one of the key organs for exogenous and endogenous metabolism and is often a target for drug- and chemical-driven toxicity. A wide range of experimental approaches has been established to model and characterize the mechanisms of drug- and chemical-induced hepatotoxicity. A number of microfluidics-enabled in vitro models of the liver have been developed, but the unclear translatability of these platforms has hindered their adoption by the pharmaceutical industry; to achieve wide use for drug and chemical safety evaluation, demonstration of reproducibility and robustness under various contexts of use is required. One of these commercially available platforms is the PhysioMimix LC12, a microfluidic device where cells are seeded into a 3D scaffold that is continuously perfused with recirculating cell culture media to mimic liver sinusoids. Previous studies demonstrated this model's functionality and potential applicability to preclinical drug development. However, to gain confidence in PhysioMimix LC12's robustness and reproducibility, supplementary characterization steps are needed, including the assessment of various human hepatocyte sources, contribution of non-parenchymal cells (NPCs), and comparison to other models. In this study, we performed replicate studies averaging 14 days with either primary human hepatocytes (PHHs) or induced pluripotent stem cell (iPSC)-derived hepatocytes, with and without NPCs. Albumin and urea secretion, lactate dehydrogenase, CYP3A4 activity, and metabolism were evaluated to assess basal function and metabolic capacity. Model performance was characterized by different cell combinations under intra- and inter-experimental replication and compared to multi-well plates and other liver platforms. PhysioMimix LC12 demonstrated the highest metabolic function with PHHs, with or without THP-1 or Kupffer cells, for up to 10-14 days. iPSC-derived hepatocytes and PHHs co-cultured with additional NPCs demonstrated sub-optimal performance. Power analyses based on replicate experiments and different contexts of use will inform future study designs due to the limited throughput and high cell demand. Overall, this study describes a workflow for independent testing of a complex microphysiological system for specific contexts of use, which may increase end-user adoption in drug development.
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Affiliation(s)
- Alicia Y. Lim
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Yuki Kato
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
- Laboratory for Drug Discovery and Development, Shionogi Pharmaceutical Research Center, Shionogi & Co., Ltd., Osaka 561-0825, Japan
| | - Courtney Sakolish
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Alan Valdiviezo
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Gang Han
- Department of Epidemiology and Biostatistics, Texas A&M University, College Station, TX 77843, USA
| | - Piyush Bajaj
- Global Investigative Toxicology, Preclinical Safety, Sanofi, Cambridge, MA 02141, USA
| | - Jason Stanko
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
| | - Stephen S. Ferguson
- Division of Translational Toxicology, National Institute of Environmental Health Sciences, Durham, NC 27709, USA
| | - Remi Villenave
- Roche Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland
| | - Philip Hewitt
- Chemical and Preclinical Safety, Merck Healthcare KGaA, 64293 Darmstadt, Germany
| | - Rhiannon N. Hardwick
- Discovery Toxicology, Pharmaceutical Candidate Optimization, Bristol Myers Squibb, San Diego, CA 92121, USA
| | - Ivan Rusyn
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
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23
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Kato Y, Hori S, Ushida K, Shimizu M, Shirai Y, Momosaki R. Association between the amount of rehabilitation and the outcomes in patients with aspiration pneumonia. Int J Rehabil Res 2023; 46:216-220. [PMID: 37039603 DOI: 10.1097/mrr.0000000000000581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
The appropriate amount of rehabilitation for aspiration pneumonia remains unknown. We conducted a historical cohort study to investigate the association between the amount of rehabilitation provided and the outcome of patients with aspiration pneumonia. A total of 4148 patients with aspiration pneumonia recruited from a database created by JMDC were categorized into three groups based on daily rehabilitation units: none or <1 unit (low-volume group), 1-2 units (medium-volume group), and more than 2 units (high-volume group). The main outcome measures were death in the hospital, discharge home, and length of hospital stay. The results showed that the middle-volume and high-volume groups had significantly fewer in-hospital deaths [middle-volume group, odds ratio (OR) 0.62; 95% confidence interval (CI), 0.46-0.83; high-volume group, OR 0.66; 95% CI, 0.45-0.97], more patients were discharged home (middle-volume group, OR 1.29; 95% CI, 1.03-1.62; high-volume group, OR 2.00; 95% CI, 1.48-2.71), and shorter hospital stay (middle-volume group, coefficient -3.30; 95% CI, -6.42 to -0.19; high-volume group, coefficient -4.54; 95% CI, -8.69 to -0.40) compared with the low-volume group. In conclusion, higher rehabilitation units per day provided to patients with aspiration pneumonia were associated with fewer deaths, more home discharges, and shorter hospital stays.
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Affiliation(s)
- Yuki Kato
- Department of Rehabilitation, Mie University Hospital
| | - Shinsuke Hori
- Department of Rehabilitation, Mie University Hospital
| | - Kenta Ushida
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Edobashi Tsu
| | - Miho Shimizu
- Department of Rehabilitation, Mie University Hospital
| | - Yuka Shirai
- Department of Clinical Nutrition Unit, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Edobashi Tsu
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24
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Kato Y, Shigehara K, Nakagawa T, Kawaguchi S, Izumi K, Kadono Y, Mizokami A. Relation between athletic club affiliation from school age and future serum free testosterone levels in Japan: A cross-sectional study. Health Sci Rep 2023; 6:e1496. [PMID: 37599654 PMCID: PMC10435685 DOI: 10.1002/hsr2.1496] [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: 10/10/2022] [Revised: 07/21/2023] [Accepted: 08/02/2023] [Indexed: 08/22/2023] Open
Abstract
Background and Aims Testosterone deficiency is often related to geriatric syndrome including erectile dysfunction, osteo-porosis, depression, cognitive impairment, cardiovascular diseases and frailty. Despite the existence of many studies on short-term exercise and serum testosterone levels, few research have focused on exercise habits from young age and testosterone values in middle-aged male. In this study, we investigated whether belonging to an athletic club from school age could predict serum-free testosterone (FT) levels. Methods The subjects were 1609 middle-aged male outpatients aged 40 years or older (median: 61 years, interquartile range: 54-69) who visited our hospital. Participants had their FT values measured in the morning hours during the period from December 2007 to June 2009. A questionnaire survey on exercise habits was conducted at the same time as the measurements. The exercise habit questionnaire was created based on whether the patients belonged to an athletic club in (a) elementary school, (b) junior high school, (c) high school, (d) college, (e) adult life, and (f) at the time of the test. Results There was only one positive response to the questionnaire among 456 patients (28% of total), followed by zero for 358 patients (22% of total). The number of patients with low-testosterone levels (FT < 8.5 pg/mL) according to the Japanese diagnostic criteria for late-onset of hypogonadism was 839 (52.1%). In multivariate analysis, it was shown that with low-testosterone levels (FT < 8.5 pg/mL), age (odds ratio [OR]: 1.065, 95% confidence interval [CI]: 1.052-1.079; p < 0.001), hypertension (OR: 3.489, 95% CI: 2.728-4.462; p < 0.001), type-2 diabetes (OR: 3.035, 95% CI: 2.296-4.01; p < 0.001), and dyslipidemia (OR: 2.039, 95% CI: 1.558-2.668; p < 0.001) were risk factors, and more than two positive responses to the questionnaire (OR: 0.886, 95% CI: 0.802-0.980; p = 0.018) were also a significant independent factor. Conclusion A sports club membership during school years may affect future testosterone levels.
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Affiliation(s)
- Yuki Kato
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
- Depatment of UrologyWajima Municipal hospitalWajimaJapan
| | - Kazuyoshi Shigehara
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
- Depatment of UrologyWajima Municipal hospitalWajimaJapan
| | - Tomomi Nakagawa
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
| | - Shohei Kawaguchi
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
| | - Kouji Izumi
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
| | - Yoshifumi Kadono
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and UrologyKanazawa University Graduate School of Medical ScienceKanazawaJapan
- Depatment of UrologyWajima Municipal hospitalWajimaJapan
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Fujita J, Amesaka H, Yoshizawa T, Hibino K, Kamimura N, Kuroda N, Konishi T, Kato Y, Hara M, Inoue T, Namba K, Tanaka SI, Matsumura H. Structures of a FtsZ single protofilament and a double-helical tube in complex with a monobody. Nat Commun 2023; 14:4073. [PMID: 37429870 DOI: 10.1038/s41467-023-39807-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 06/27/2023] [Indexed: 07/12/2023] Open
Abstract
FtsZ polymerizes into protofilaments to form the Z-ring that acts as a scaffold for accessory proteins during cell division. Structures of FtsZ have been previously solved, but detailed mechanistic insights are lacking. Here, we determine the cryoEM structure of a single protofilament of FtsZ from Klebsiella pneumoniae (KpFtsZ) in a polymerization-preferred conformation. We also develop a monobody (Mb) that binds to KpFtsZ and FtsZ from Escherichia coli without affecting their GTPase activity. Crystal structures of the FtsZ-Mb complexes reveal the Mb binding mode, while addition of Mb in vivo inhibits cell division. A cryoEM structure of a double-helical tube of KpFtsZ-Mb at 2.7 Å resolution shows two parallel protofilaments. Our present study highlights the physiological roles of the conformational changes of FtsZ in treadmilling that regulate cell division.
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Affiliation(s)
- Junso Fujita
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
- JEOL YOKOGUSHI Research Alliance Laboratories, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Hiroshi Amesaka
- Graduate School of Life and Environmental Science, Kyoto Prefectural University, 1-5 Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, 606-8522, Japan
| | - Takuya Yoshizawa
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Kota Hibino
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Natsuki Kamimura
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Natsuko Kuroda
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Takamoto Konishi
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Yuki Kato
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Mizuho Hara
- Graduate School of Life and Environmental Science, Kyoto Prefectural University, 1-5 Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, 606-8522, Japan
| | - Tsuyoshi Inoue
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Open and Transdisciplinary Research Initiatives, Osaka University, 2-8 Yamadaoka, Suita, Osaka, 565-0871, Japan
- dotAqua Inc., 2-1 Yamadaoka, Suita, Osaka, Japan
| | - Keiichi Namba
- Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
- JEOL YOKOGUSHI Research Alliance Laboratories, Osaka University, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
- RIKEN Center for Biosystems Dynamics Research and SPring-8 Center, 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shun-Ichi Tanaka
- Graduate School of Life and Environmental Science, Kyoto Prefectural University, 1-5 Hangi-cho, Shimogamo, Sakyo-ku, Kyoto, 606-8522, Japan.
| | - Hiroyoshi Matsumura
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan.
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Xing Y, Nakahama T, Wu Y, Inoue M, Kim JI, Todo H, Shibuya T, Kato Y, Kawahara Y. RNA editing of AZIN1 coding sites is catalyzed by ADAR1 p150 after splicing. J Biol Chem 2023; 299:104840. [PMID: 37209819 PMCID: PMC10404624 DOI: 10.1016/j.jbc.2023.104840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/09/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023] Open
Abstract
Adenosine-to-inosine RNA editing is catalyzed by nuclear adenosine deaminase acting on RNA 1 (ADAR1) p110 and ADAR2, and cytoplasmic ADAR1 p150 in mammals, all of which recognize dsRNAs as targets. RNA editing occurs in some coding regions, which alters protein functions by exchanging amino acid sequences, and is therefore physiologically significant. In general, such coding sites are edited by ADAR1 p110 and ADAR2 before splicing, given that the corresponding exon forms a dsRNA structure with an adjacent intron. We previously found that RNA editing at two coding sites of antizyme inhibitor 1 (AZIN1) is sustained in Adar1 p110/Aadr2 double KO mice. However, the molecular mechanisms underlying RNA editing of AZIN1 remain unknown. Here, we showed that Azin1 editing levels were increased upon type I interferon treatment, which activated Adar1 p150 transcription, in mouse Raw 264.7 cells. Azin1 RNA editing was observed in mature mRNA but not precursor mRNA. Furthermore, we revealed that the two coding sites were editable only by ADAR1 p150 in both mouse Raw 264.7 and human embryonic kidney 293T cells. This unique editing was achieved by forming a dsRNA structure with a downstream exon after splicing, and the intervening intron suppressed RNA editing. Therefore, deletion of a nuclear export signal from ADAR1 p150, shifting its localization to the nucleus, decreased Azin1 editing levels. Finally, we demonstrated that Azin1 RNA editing was completely absent in Adar1 p150 KO mice. Thus, these findings indicate that RNA editing of AZIN1 coding sites is exceptionally catalyzed by ADAR1 p150 after splicing.
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Affiliation(s)
- Yanfang Xing
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Taisuke Nakahama
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Integrated Frontier Research for Medical Science Division and RNA Frontier Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, Japan; Center for Infectious Disease Education and Research (CiDER), Osaka University, Suita, Osaka, Japan.
| | - Yuke Wu
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan
| | - Maal Inoue
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Jung In Kim
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Hiroyuki Todo
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Toshiharu Shibuya
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Yuki Kato
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Integrated Frontier Research for Medical Science Division and RNA Frontier Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, Japan
| | - Yukio Kawahara
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Integrated Frontier Research for Medical Science Division and RNA Frontier Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Osaka, Japan; Center for Infectious Disease Education and Research (CiDER), Osaka University, Suita, Osaka, Japan; Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan; Genome Editing Research and Development Center, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
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27
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Miyake K, Costa Cruz PH, Nagatomo I, Kato Y, Motooka D, Satoh S, Adachi Y, Takeda Y, Kawahara Y, Kumanogoh A. A cancer-associated METTL14 mutation induces aberrant m6A modification, affecting tumor growth. Cell Rep 2023; 42:112688. [PMID: 37355987 DOI: 10.1016/j.celrep.2023.112688] [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: 01/26/2022] [Revised: 04/25/2023] [Accepted: 06/08/2023] [Indexed: 06/27/2023] Open
Abstract
The methyltransferase-like 3 (METTL3)-/METTL14-containing complex predominantly catalyzes N6-methyladenosine (m6A) modification, which affects mRNA stability. Although the METTL14 R298P mutation is found in multiple cancer types, its biological effects are not completely understood. Here, we show that the heterozygous R298P mutation promotes cancer cell proliferation, whereas the homozygous mutation reduces proliferation. Methylated RNA immunoprecipitation sequencing analysis indicates that the R298P mutation reduces m6A modification at canonical motifs. Furthermore, this mutation induces m6A modification at aberrant motifs, which is evident only in cell lines harboring the homozygous mutation. The aberrant recognition of m6A modification sites alters the methylation efficiency at surrounding canonical motifs. One example is c-MET mRNA, which is highly methylated at canonical motifs close to the aberrantly methylated sites. Consequently, c-MET mRNA is severely destabilized, reducing c-Myc expression and suppressing cell proliferation. These data suggest that the METTL14 R298P mutation affects target recognition for m6A modification, perturbing gene expression patterns and cell growth.
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Affiliation(s)
- Kotaro Miyake
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Pedro Henrique Costa Cruz
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
| | - Izumi Nagatomo
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yuki Kato
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka 565-0871, Japan
| | - Daisuke Motooka
- Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan
| | - Shingo Satoh
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yuichi Adachi
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yoshito Takeda
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yukio Kawahara
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Atsushi Kumanogoh
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka 565-0871, Japan; Department of Immunopathology, World Premier Institute Immunology Frontier Research Center (WPI-IFReC), Osaka University, Suita, Osaka 565-0871, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka 565-0871, Japan.
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Kato Y, Oi T, Taniguchi M. Aggregative movement of C 4 mesophyll chloroplasts is promoted by low CO 2 under high intensity blue light. Plant Biol (Stuttg) 2023; 25:563-570. [PMID: 36790102 DOI: 10.1111/plb.13512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/07/2023] [Indexed: 05/17/2023]
Abstract
C4 plants supply concentrated CO2 to bundle sheath (BS) cells, improving photosynthetic efficiency by suppressing photorespiration. Mesophyll chloroplasts in C4 plants are redistributed toward the sides of the BS cells (aggregative movement) in response to environmental stresses under light. Although this chloroplast movement is common in C4 plants, the significance and mechanisms underlying the aggregative movement remain unknown. Under environmental stresses, such as drought and salt, CO2 uptake from the atmosphere is suppressed by closing stomata to prevent water loss. We hypothesized that CO2 limitation may induce the chloroplast aggregative movement. In this study, the mesophyll chloroplast arrangement in a leaf of finger millet, an NAD-malic enzyme type C4 plant, was examined under different CO2 concentrations and light conditions. CO2 limitation around the leaves promoted the aggregative movement, but the aggregative movement was not suppressed, even at the higher CO2 concentration than in the atmosphere, under high intensity blue light. In addition, mesophyll chloroplasts did not change their arrangement under darkness or red light. From these results, it can be concluded that CO2 limitation is not a direct inducer of the aggregative movement but would be a promoting factor of the movement under high intensity blue light.
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Affiliation(s)
- Y Kato
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - T Oi
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - M Taniguchi
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
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29
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Nakanishi K, Norimatsu K, Tani A, Matsuoka T, Matsuzaki R, Kakimoto S, Nojima N, Tachibe Y, Kato Y, Inadome M, Kitazato R, Otsuka S, Takada S, Sumizono M, Sakakima H. Effects of early exercise intervention and exercise cessation on neuronal loss and neuroinflammation in a senescence-accelerated mouse prone 8. Neurosci Lett 2023; 808:137297. [PMID: 37182575 DOI: 10.1016/j.neulet.2023.137297] [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: 02/27/2023] [Revised: 05/10/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023]
Abstract
Physical exercise is beneficial for preventing Alzheimer's disease (AD) and cognitive decline through several mechanisms, including suppression of neuroinflammation and neuronal loss in the hippocampus. Despite these exercise-induced benefits in AD pathology, less attention has been paid to the importance of maintaining exercise and the consequences of detraining. This study aimed to investigate the effects of early exercise intervention and detraining on age-related cognitive decline and its protective mechanisms using senescence-accelerated mouse prone 8 (SAMP8). These mice were divided to four groups: no-exercise (No-Ex, n = 9), 4 months (4M)-detraining (n = 11), 2 months (2M)-detraining (n = 11), and long-term exercise (LT-Ex, n = 13). Age-related cognitive decline was prevented in the LT-Ex group compared with the No-Ex group through the suppression of neuronal loss, enhanced brain-derived neurotrophic factor (BDNF), and inhibition of neuroinflammation corresponding to reduced M1 and increased M2 microglia in the hippocampus. No significant differences were observed in cognitive function between the detraining and No-Ex groups. However, the 2M-detraining group showed increased BDNF positive area in the CA1 region and the enhancement of anti-inflammatory M2 phenotype microglia. In contrast, no statistically beneficial exercise-induced changes in the hippocampus were observed in the 4M-detrainig group. These results showed that early exercise intervention prevented age-related cognitive deficits in AD progression by suppressing neuronal loss and neuroinflammation in the hippocampus. Exercise-induced benefits, including the anti-inflammation in the hippocampus, may be retained after exercise cessation, even if exercise-induced beneficial effects decline in a time-dependent manner.
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Affiliation(s)
- Kazuki Nakanishi
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Kosuke Norimatsu
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Akira Tani
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Teruki Matsuoka
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Ryoma Matsuzaki
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Syogo Kakimoto
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Nao Nojima
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Yuta Tachibe
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Yuki Kato
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Masaki Inadome
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Riho Kitazato
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan
| | - Shotaro Otsuka
- Department of Systems Biology in Thromboregulation, Kagoshima University Graduate School of Medical and Dental Science, Kagoshima, Japan
| | - Seiya Takada
- Department of Systems Biology in Thromboregulation, Kagoshima University Graduate School of Medical and Dental Science, Kagoshima, Japan
| | - Megumi Sumizono
- Department of Rehabilitation, Kyushu University of Nursing and Social Welfare, Kumamoto, Japan
| | - Harutoshi Sakakima
- Department of Physical Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University, Kagoshima, Japan.
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Nagayama Y, Iwashita K, Maruyama N, Uetani H, Goto M, Sakabe D, Emoto T, Nakato K, Shigematsu S, Kato Y, Takada S, Kidoh M, Oda S, Nakaura T, Hatemura M, Ueda M, Mukasa A, Hirai T. Deep learning-based reconstruction can improve the image quality of low radiation dose head CT. Eur Radiol 2023; 33:3253-3265. [PMID: 36973431 DOI: 10.1007/s00330-023-09559-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 12/06/2022] [Accepted: 02/06/2023] [Indexed: 03/29/2023]
Abstract
OBJECTIVES To evaluate the image quality of deep learning-based reconstruction (DLR), model-based (MBIR), and hybrid iterative reconstruction (HIR) algorithms for lower-dose (LD) unenhanced head CT and compare it with those of standard-dose (STD) HIR images. METHODS This retrospective study included 114 patients who underwent unenhanced head CT using the STD (n = 57) or LD (n = 57) protocol on a 320-row CT. STD images were reconstructed with HIR; LD images were reconstructed with HIR (LD-HIR), MBIR (LD-MBIR), and DLR (LD-DLR). The image noise, gray and white matter (GM-WM) contrast, and contrast-to-noise ratio (CNR) at the basal ganglia and posterior fossa levels were quantified. The noise magnitude, noise texture, GM-WM contrast, image sharpness, streak artifact, and subjective acceptability were independently scored by three radiologists (1 = worst, 5 = best). The lesion conspicuity of LD-HIR, LD-MBIR, and LD-DLR was ranked through side-by-side assessments (1 = worst, 3 = best). Reconstruction times of three algorithms were measured. RESULTS The effective dose of LD was 25% lower than that of STD. Lower image noise, higher GM-WM contrast, and higher CNR were observed in LD-DLR and LD-MBIR than those in STD (all, p ≤ 0.035). Compared with STD, the noise texture, image sharpness, and subjective acceptability were inferior for LD-MBIR and superior for LD-DLR (all, p < 0.001). The lesion conspicuity of LD-DLR (2.9 ± 0.2) was higher than that of HIR (1.2 ± 0.3) and MBIR (1.8 ± 0.4) (all, p < 0.001). Reconstruction times of HIR, MBIR, and DLR were 11 ± 1, 319 ± 17, and 24 ± 1 s, respectively. CONCLUSION DLR can enhance the image quality of head CT while preserving low radiation dose level and short reconstruction time. KEY POINTS • For unenhanced head CT, DLR reduced the image noise and improved the GM-WM contrast and lesion delineation without sacrificing the natural noise texture and image sharpness relative to HIR. • The subjective and objective image quality of DLR was better than that of HIR even at 25% reduced dose without considerably increasing the image reconstruction times (24 s vs. 11 s). • Despite the strong noise reduction and improved GM-WM contrast performance, MBIR degraded the noise texture, sharpness, and subjective acceptance with prolonged reconstruction times relative to HIR, potentially hampering its feasibility.
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Affiliation(s)
- Yasunori Nagayama
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan.
| | - Koya Iwashita
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Natsuki Maruyama
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Hiroyuki Uetani
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Makoto Goto
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Daisuke Sakabe
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Takafumi Emoto
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Kengo Nakato
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Shinsuke Shigematsu
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Yuki Kato
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Sentaro Takada
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Masafumi Kidoh
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Seitaro Oda
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Takeshi Nakaura
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Masahiro Hatemura
- Department of Central Radiology, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Mitsuharu Ueda
- Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Akitake Mukasa
- Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
| | - Toshinori Hirai
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan
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Amano Y, Matsuura A, Tamura T, Kato Y, Kameyama N, Takazawa T, Nishiwaki K. Life-threatening chlorhexidine anaphylaxis caused by skin preparation before chlorhexidine-free central venous catheter insertion: a case report and literature review. J Anesth 2023; 37:474-481. [PMID: 37120585 DOI: 10.1007/s00540-023-03189-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 03/29/2023] [Indexed: 05/01/2023]
Abstract
Chlorhexidine is a common cause of perioperative anaphylaxis, and global regulatory authorities have issued warnings about anaphylaxis due to chlorhexidine-containing central venous catheters (CVC) and its mucosal absorption. We present a case of life-threatening anaphylaxis after CVC insertion caused by chlorhexidine used for skin preparation. The onset of anaphylaxis was rapid and very severe, resulting in pulseless electrical activity. The patient was successfully resuscitated by emergency veno-arterial extracorporeal membrane oxygenation (VA-ECMO). Our case suggests that even skin preparation before chlorhexidine-free CVC insertion can cause life-threatening anaphylaxis. We reviewed the literature on chlorhexidine anaphylaxis cases and categorized all potential routes of chlorhexidine exposure to assess the risk following skin preparation. Our results showed that skin preparation before CVC insertion was the third most common cause of chlorhexidine anaphylaxis after transurethral exposure and chlorhexidine-containing CVCs. However, skin preparation with chlorhexidine before CVC insertion was sometimes overlooked as a cause of chlorhexidine anaphylaxis, and its risk might be underestimated. Further, no previous reports have described life-threatening anaphylaxis solely due to chlorhexidine skin preparation before CVC insertion. CVC insertion might cause the chlorhexidine used for skin preparation to reach the vascular system and should be recognized as a potential cause of life-threatening chlorhexidine anaphylaxis.
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Affiliation(s)
- Yasuhiro Amano
- Department of Anesthesiology, Nagoya University Hospital, Nagoya, Japan
| | - Akari Matsuura
- Department of Anesthesiology, Nagoya University Hospital, Nagoya, Japan
| | - Takahiro Tamura
- Department of Anesthesiology, Nagoya University Hospital, Nagoya, Japan
| | - Yuki Kato
- Department of Anesthesiology, Nagoya University Hospital, Nagoya, Japan
| | - Natsumi Kameyama
- Department of Clinical Laboratory, Nagoya University Hospital, Nagoya, Japan
| | - Tomonori Takazawa
- Intensive Care Unit, Gunma University Hospital, 3-39-15 Showa-machiachi, Maebashi, 371-8511, Japan.
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Kambayashi S, Kato Y, Hori A, Momosaki R. Mobile cardiac rehabilitation: A feasible alternative for patients with cardiovascular diseases having insufficient social support and hospital access. Int J Cardiol 2023; 380:39. [PMID: 36907446 DOI: 10.1016/j.ijcard.2023.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023]
Affiliation(s)
- Saya Kambayashi
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
| | - Yuki Kato
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
| | - Asuka Hori
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Mie, Japan.
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Hashikawa Y, Kato Y, Kaji H, Abe T, Nagai N. A comparative study between a transscleral sustained-release device and eyedrops on intraocular distribution of carteolol hydrochloride. Heliyon 2023; 9:e14392. [PMID: 36942217 PMCID: PMC10023953 DOI: 10.1016/j.heliyon.2023.e14392] [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: 06/27/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023] Open
Abstract
The objectives of this study were to develop a sustained-release device for carteolol hydrochloride (CH) and investigate any potential difference in the intraocular distribution of this agent between the transscleral administration of the device and treatment with eyedrops. The device was formulated with photocurable resin, poly (ethyleneglycol) dimethacrylate, to fit within the curve of the rabbit eyeball. In vitro study showed that CH was released in a sustained-release manner for 2 weeks. The concentration of CH in the retina, choroid/retinal pigment epithelium, sclera, iris, and aqueous humor was determined by high-performance liquid chromatography. Transscleral administration was able to deliver CH to the posterior segment (i.e., retina and choroid/retinal pigment epithelium) rather than the anterior segment (i.e., aqueous humor), while eyedrops delivered CH only to the anterior segment. Transscleral administration could deliver CH to aqueous humor at half the concentration versus treatment with eyedrops and reduced intraocular pressure (IOP) at 1 day after implantation; however, the IOP-lowering effect was not sustained thereafter. In conclusion, transscleral drug delivery may be a useful method for the reduction of IOP. Notably, the aqueous concentration must be equal to that delivered by the eyedrops, and this approach might be preferable for drug delivery to the posterior segment of the eye.
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Affiliation(s)
- Yoshiko Hashikawa
- Division of Clinical Cell Therapy, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Yuki Kato
- Division of Clinical Cell Therapy, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Hirokazu Kaji
- Department of Biomechanics, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan
| | - Toshiaki Abe
- Division of Clinical Cell Therapy, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Nobuhiro Nagai
- Division of Clinical Cell Therapy, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
- Corresponding author.
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Kato Y, Kawasaki H, Nakamatsu T, Matsuda N, Natsume R. Expression, purification and crystallization of N-acetyl-(R)-β-phenylalanine acylases derived from Burkholderia sp. AJ110349 and Variovorax sp. AJ110348 and structure determination of the Burkholderia enzyme. Acta Crystallogr F Struct Biol Commun 2023; 79:70-78. [PMID: 36862095 PMCID: PMC9979978 DOI: 10.1107/s2053230x23000730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/27/2023] [Indexed: 02/25/2023] Open
Abstract
N-Acetyl-(R)-β-phenylalanine acylase is an enzyme that hydrolyzes the amide bond of N-acetyl-(R)-β-phenylalanine to produce enantiopure (R)-β-phenylalanine. In previous studies, Burkholderia sp. AJ110349 and Variovorax sp. AJ110348 were isolated as (R)-enantiomer-specific N-acetyl-(R)-β-phenylalanine acylase-producing organisms and the properties of the native enzyme from Burkholderia sp. AJ110349 were characterized. In this study, structural analyses were carried out in order to investigate the structure-function relationships of the enzymes derived from both organisms. The recombinant N-acetyl-(R)-β-phenylalanine acylases were crystallized by the hanging-drop vapor-diffusion method under multiple crystallization solution conditions. The crystals of the Burkholderia enzyme belonged to space group P41212, with unit-cell parameters a = b = 112.70-112.97, c = 341.50-343.32 Å, and were likely to contain two subunits in the asymmetric unit. The crystal structure was solved by the Se-SAD method, suggesting that two subunits in the asymmetric unit form a dimer. Each subunit was composed of three domains, and they showed structural similarity to the corresponding domains of the large subunit of N,N-dimethylformamidase from Paracoccus sp. strain DMF. The crystals of the Variovorax enzyme grew as twinned crystals and were not suitable for structure determination. Using size-exclusion chromatography with online static light-scattering analysis, the N-acetyl-(R)-β-phenylalanine acylases were clarified to be dimeric in solution.
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Affiliation(s)
- Yuki Kato
- Graduate School of Advanced Science and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of Engineering, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
| | - Hisashi Kawasaki
- Graduate School of Advanced Science and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of Engineering, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- Agro-Biotechnology Research Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Tsuyoshi Nakamatsu
- Graduate School of Advanced Science and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of Engineering, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
| | - Namio Matsuda
- Graduate School of Advanced Science and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of Engineering, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of System Design and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
| | - Ryo Natsume
- Graduate School of Advanced Science and Technology, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
- School of Engineering, Tokyo Denki University, 5 Senju-asahi-cho, Adachi-ku, Tokyo 120-8551, Japan
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Adachi T, Kato Y, Kiyotomo D, Kawamukai K, Takazawa S, Suzuki T, Machida Y. Accuracy Verification of Four-Dimensional CT Analysis of Knee Joint Movements: A Pilot Study Using a Knee Joint Model and Motion-Capture System. Cureus 2023; 15:e35616. [PMID: 37007305 PMCID: PMC10065360 DOI: 10.7759/cureus.35616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/15/2023] [Indexed: 03/06/2023] Open
Abstract
Objective This study aimed to use the optical motion-capture method to verify the accuracy of four-dimensional computed tomography (4D-CT) analysis of knee joint movement. Methods One static CT and three 4D-CT examinations of the knee joint model were obtained. The knee joint model was passively moved in the CT gantry during 4D-CT acquisitions. 4D-CT and static CT examinations were matched to perform 3D-3D registration. An optical-motion capture system recorded the position-posture of the knee joint model simultaneously with the 4D-CT acquisitions. Reference axes (X, Y, and Z directions) were defined based on static CT and applied to 4D-CT and the optical-motion capture system. Using the position-posture of the motion capture system as a reference standard, the position-posture measurements using 4D-CT were compared to these values, and the accuracy of the 4D-CT analysis of knee joint movements was quantitatively assessed. Results The position-posture measurements obtained from 4D-CT showed a similar tendency to those obtained from the motion-capture system. In the femorotibial joint, the difference in the spatial orientation between the two measurements was 0.7 mm in the X direction, 0.9 mm in the Y direction, and 2.8 mm in the Z direction. The difference in angle was 1.9° in the varus/valgus direction, 1.1° in the internal/external rotation, and 1.8° in extension/flexion. In the patellofemoral joint, the difference between the two measurements was 0.9 mm in the X direction, 1.3 mm in the Y direction, and 1.2 mm in the Z direction. The difference in angle was 0.9° for varus/valgus, 1.1° for internal/external rotation, and 1.3° for extension/flexion. Conclusions 4D-CT with 3D-3D registration could record the position-posture of knee joint movements with an error of less than 3 mm and less than 2° when compared with the highly accurate optical-motion capture system. Knee joint movement analysis using 4D-CT with 3D-3D registration showed excellent accuracy for in vivo applications.
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Sano K, Kobayashi H, Chuta H, Matsuyoshi N, Kato Y, Ogasawara H. CsgI (YccT) Is a Novel Inhibitor of Curli Fimbriae Formation in Escherichia coli Preventing CsgA Polymerization and Curli Gene Expression. Int J Mol Sci 2023; 24:ijms24054357. [PMID: 36901788 PMCID: PMC10002515 DOI: 10.3390/ijms24054357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Curli fimbriae are amyloids-found in bacteria (Escherichia coli)-that are involved in solid-surface adhesion and bacterial aggregation during biofilm formation. The curli protein CsgA is coded by a csgBAC operon gene, and the transcription factor CsgD is essential to induce its curli protein expression. However, the complete mechanism underlying curli fimbriae formation requires elucidation. Herein, we noted that curli fimbriae formation was inhibited by yccT-i.e., a gene that encodes a periplasmic protein of unknown function regulated by CsgD. Furthermore, curli fimbriae formation was strongly repressed by CsgD overexpression caused by a multicopy plasmid in BW25113-the non-cellulose-producing strain. YccT deficiency prevented these CsgD effects. YccT overexpression led to intracellular YccT accumulation and reduced CsgA expression. These effects were addressed by deleting the N-terminal signal peptide of YccT. Localization, gene expression, and phenotypic analyses revealed that YccT-dependent inhibition of curli fimbriae formation and curli protein expression was mediated by the two-component regulatory system EnvZ/OmpR. Purified YccT inhibited CsgA polymerization; however, no intracytoplasmic interaction between YccT and CsgA was detected. Thus, YccT-renamed CsgI (curli synthesis inhibitor)-is a novel inhibitor of curli fimbriae formation and has a dual role as an OmpR phosphorylation modulator and CsgA polymerization inhibitor.
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Affiliation(s)
- Kotaro Sano
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Department of Applied Biology, Graduated School of Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
| | - Hiroaki Kobayashi
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Department of Applied Biology, Graduated School of Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
| | - Hirotaka Chuta
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Department of Applied Biology, Graduated School of Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
| | - Nozomi Matsuyoshi
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Department of Applied Biology, Graduated School of Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
| | - Yuki Kato
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Department of Applied Biology, Graduated School of Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
| | - Hiroshi Ogasawara
- Research Center for Advanced Science and Technology, Division of Gene Research, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
- Academic Assembly School of Humanities and Social Sciences Institute of Humanities, Shinshu University, Matsumoto 390-8621, Japan
- Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Tokida 3-15-1, Ueda, Nagano 386-8567, Japan
- Renaissance Center for Applied Microbiology, Shinshu University, Nagano-shi, Nagano 380-8553, Japan
- Correspondence: ; Tel.: +81-268-21-5803
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Kato Y, Shiotani M, Sugita M, Momosaki R. Strategies to enable physical activity in individuals with traumatic brain injury. PM R 2023; 15:248-249. [PMID: 36152317 DOI: 10.1002/pmrj.12904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 09/20/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Yuki Kato
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - Manaka Shiotani
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - Masaki Sugita
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu, Japan
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Tamura D, Abe M, Ikarashi D, Kato R, Kato Y, Maekawa S, Kanehira M, Takata R, Suzuki Y, Nakagawa H, Nishizuka S, Obara W. Detection of individualized mutations and monitoring of postoperative recurrence using circulating tumor DNA in patients with upper tract urothelial carcinoma. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00965-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Shah R, Agarwal A, Kavoussi P, Rambhatla A, Saleh R, Cannarella R, Harraz AM, Boitrelle F, Kuroda S, Hamoda TAAAM, Zini A, Ko E, Calik G, Toprak T, Kandil H, Gül M, Bakırcıoğlu ME, Parekh N, Russo GI, Tadros N, Kadioglu A, Arafa M, Chung E, Rajmil O, Dimitriadis F, Malhotra V, Salvio G, Henkel R, Le TV, Sogutdelen E, Vij S, Alarbid A, Gudeloglu A, Tsujimura A, Calogero AE, El Meliegy A, Crafa A, Kalkanli A, Baser A, Hazir B, Giulioni C, Cho CL, Ho CCK, Salzano C, Zylbersztejn DS, Tien DMB, Pescatori E, Borges E, Serefoglu EC, Saïs-Hamza E, Huyghe E, Ceyhan E, Caroppo E, Castiglioni F, Bahar F, Gokalp F, Lombardo F, Gadda F, Duarsa GWK, Pinggera GM, Busetto GM, Balercia G, Cito G, Blecher G, Franco G, Liguori G, Elbardisi H, Keskin H, Lin H, Taniguchi H, Park HJ, Ziouziou I, de la Rosette J, Hotaling J, Ramsay J, Molina JMC, Lo KL, Bocu K, Khalafalla K, Bowa K, Okada K, Nagao K, Chiba K, Hakim L, Makarounis K, Hehemann M, Rodriguez Peña M, Falcone M, Bendayan M, Martinez M, Timpano M, Altan M, Fode M, Al-Marhoon MS, Sadighi Gilani MA, Soebadi MA, Gherabi N, Sofikitis N, Kahraman O, Birowo P, Kothari P, Sindhwani P, Javed Q, Ambar RF, Kosgi R, Ghayda RA, Adriansjah R, Condorelli RA, La Vignera S, Micic S, Kim SHK, Fukuhara S, Ahn ST, Mostafa T, Ong TA, Takeshima T, Amano T, Barrett T, Arslan U, Karthikeyan VS, Atmoko W, Yumura Y, Yuan Y, Kato Y, Jezek D, Cheng BKC, Hatzichristodoulou G, Dy J, Castañé ER, El-Sakka AI, Nguyen Q, Sarikaya S, Boeri L, Tan R, Moussa MA, El-Assmy A, Alali H, Alhathal N, Osman Y, Perovic D, Sajadi H, Akhavizadegan H, Vučinić M, Kattan S, Kattan MS, Mogharabian N, Phuoc NHV, Ngoo KS, Alkandari MH, Alsuhaibani S, Sokolakis I, Babaei M, King MS, Diemer T, Gava MM, Henrique R, Silva RSE, Paul GM, Mierzwa TC, Glina S, Siddiqi K, Wu H, Wurzacher J, Farkouh A, Son H, Minhas S, Lee J, Magsanoc N, Capogrosso P, Albano GJ, Lewis SEM, Jayasena CN, Alvarez JG, Teo C, Smith RP, Chua JBM, Jensen CFS, Parekattil S, Finelli R, Durairajanayagam D, Karna KK, Ahmed A, Evenson D, Umemoto Y, Puigvert A, Çeker G, Colpi GM. Consensus and Diversity in the Management of Varicocele for Male Infertility: Results of a Global Practice Survey and Comparison with Guidelines and Recommendations. World J Mens Health 2023; 41:164-197. [PMID: 35791302 PMCID: PMC9826919 DOI: 10.5534/wjmh.220048] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/15/2022] [Accepted: 03/20/2022] [Indexed: 02/06/2023] Open
Abstract
PURPOSE Varicocele is a common problem among infertile men. Varicocele repair (VR) is frequently performed to improve semen parameters and the chances of pregnancy. However, there is a lack of consensus about the diagnosis, indications for VR and its outcomes. The aim of this study was to explore global practice patterns on the management of varicocele in the context of male infertility. MATERIALS AND METHODS Sixty practicing urologists/andrologists from 23 countries contributed 382 multiple-choice-questions pertaining to varicocele management. These were condensed into an online questionnaire that was forwarded to clinicians involved in male infertility management through direct invitation. The results were analyzed for disagreement and agreement in practice patterns and, compared with the latest guidelines of international professional societies (American Urological Association [AUA], American Society for Reproductive Medicine [ASRM], and European Association of Urology [EAU]), and with evidence emerging from recent systematic reviews and meta-analyses. Additionally, an expert opinion on each topic was provided based on the consensus of 16 experts in the field. RESULTS The questionnaire was answered by 574 clinicians from 59 countries. The majority of respondents were urologists/uro-andrologists. A wide diversity of opinion was seen in every aspect of varicocele diagnosis, indications for repair, choice of technique, management of sub-clinical varicocele and the role of VR in azoospermia. A significant proportion of the responses were at odds with the recommendations of AUA, ASRM, and EAU. A large number of clinical situations were identified where no guidelines are available. CONCLUSIONS This study is the largest global survey performed to date on the clinical management of varicocele for male infertility. It demonstrates: 1) a wide disagreement in the approach to varicocele management, 2) large gaps in the clinical practice guidelines from professional societies, and 3) the need for further studies on several aspects of varicocele management in infertile men.
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Affiliation(s)
- Rupin Shah
- Division of Andrology, Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
| | - Parviz Kavoussi
- Austin Fertility & Reproductive Medicine/Westlake IVF, TX, USA
| | - Amarnath Rambhatla
- Department of Urology, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI, USA
| | - Ramadan Saleh
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Rossella Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Ahmed M Harraz
- Mansoura University Urology and Nephrology Center, Mansoura, Egypt
- Department of Surgery, Urology Unit, Farwaniya Hospital, Farwaniya, Kuwait
- Department of Urology, Sabah Al Ahmad Urology Center, Kuwait City, Kuwait
| | - Florence Boitrelle
- Department of Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Department of Biology, Reproduction, Epigenetics, Environment and Development, Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Shinnosuke Kuroda
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Taha Abo-Almagd Abdel-Meguid Hamoda
- Department of Urology, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Urology, Faculty of Medicine, Minia University, Minia, Egypt
| | - Armand Zini
- Division of Urology, Department of Surgery, McGill University, Montreal, QC, Canada
| | - Edmund Ko
- Department of Urology, Loma Linda University Health, Loma Linda, CA, USA
| | - Gokhan Calik
- Department of Urology, Faculty of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Tuncay Toprak
- Department of Urology, Fatih Sultan Mehmet Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | | | - Murat Gül
- Department of Urology, Selcuk University School of Medicine, Konya, Turkey
| | | | - Neel Parekh
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA
| | | | - Nicholas Tadros
- Division of Urology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Ates Kadioglu
- Section of Andrology, Department of Urology, Istanbul University, Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Mohamed Arafa
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
- Department of Urology, Weill Cornell Medical-Qatar, Doha, Qatar
| | - Eric Chung
- Department of Urology, Princess Alexandra Hospital, University of Queensland, Brisbane, Australia
| | - Osvaldo Rajmil
- Department of Andrology, Fundacio Puigvert, Barcelona, Spain
| | - Fotios Dimitriadis
- Department of Urology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | - Gianmaria Salvio
- Department of Endocrinology, Polytechnic University of Marche, Ancona, Italy
| | - Ralf Henkel
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
| | - Tan V Le
- Department of Andrology, Binh Dan Hospital, Ho Chi Minh City, Vietnam
- Department of Urology and Andrology, Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam
| | | | - Sarah Vij
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Abdullah Alarbid
- Department of Surgery, Urology Unit, Farwaniya Hospital, Farwaniya, Kuwait
| | - Ahmet Gudeloglu
- Department of Urology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Akira Tsujimura
- Department of Urology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Aldo E Calogero
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Amr El Meliegy
- Department of Andrology, Sexology and STIs, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Andrea Crafa
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Arif Kalkanli
- Department of Urology, Taksim Education and Research Hospital, Istanbul, Turkey
| | - Aykut Baser
- Department of Urology, Faculty of Medicine, Bandırma Onyedi Eylül University, Balıkesir, Turkey
| | - Berk Hazir
- Reproductive medicine, Clinical Research Centre, Lund University, Malmö, Sweden
| | - Carlo Giulioni
- Department of Urology, Polytechnic University of Marche Region, Ancona, Italy
| | - Chak-Lam Cho
- S. H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Christopher C K Ho
- Department of Urology, Universiti Teknologi Mara (UiTM) Specialist Centre, Selangor, Malaysia
| | - Ciro Salzano
- PO San Giovanni Bosco, ASL Napoli 1 Centro, Napoli, Italy
| | | | - Dung Mai Ba Tien
- Department of Andrology, Binh Dan Hospital, Ho Chi Minh City, Vietnam
| | - Edoardo Pescatori
- Andrology and Reproductive Medicine Unit, Gynepro Medical, Bologna, Italy
| | | | - Ege Can Serefoglu
- Department of Urology, Biruni University School of Medicine, Istanbul, Turkey
| | - Emine Saïs-Hamza
- Department of Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Department of Biology, Reproduction, Epigenetics, Environment and Development, Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Eric Huyghe
- Department of Urology and Andrology, University Hospital of Toulouse, France
| | - Erman Ceyhan
- Department of Urology, School of Medicine, Baskent University, Konya, Turkey
| | - Ettore Caroppo
- Asl Bari, PTA "F Jaia", Reproductive and IVF unit, Andrology Outpatients Clinic, Asl Bari, Conversano (Ba), Italy
| | | | - Fahmi Bahar
- Andrology Section, Siloam Sriwijaya Hospital, Palembang, Indonesia
| | - Fatih Gokalp
- Department of Urology, Hatay Mustafa Kemal University, Antakya, Turkey
| | - Francesco Lombardo
- Laboratory of Seminology-Sperm Bank "Loredana Gandini", Department of Experimental Medicine, University of Rome "Sapienza", Rome, Italy
| | - Franco Gadda
- Department of Urology, IRCCS Fondazione Ca Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | | | - Gian Maria Busetto
- Department of Urology and Organ Transplantation, University of Foggia, Ospedali Riuniti of Foggia, Foggia, Italy
| | - Giancarlo Balercia
- Department of Endocrinology, Polytechnic University of Marche, Ancona, Italy
| | - Gianmartin Cito
- Department of Urology, University of Florence, Florence, Italy
| | - Gideon Blecher
- Department of Surgery, School of Clinical Sciences, Monash University, Melbourne, Australia
- Department of Urology, The Alfred Hospital, Melbourne, Australia
| | - Giorgio Franco
- Department of Urology, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | | | - Haitham Elbardisi
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
- Department of Urology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Hakan Keskin
- Department of Urology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Haocheng Lin
- Department of Urology, Peking University Third Hospital, Peking University, Beijing, China
| | - Hisanori Taniguchi
- Department of Urology and Andrology, Kansai Medical University, Hirakata, Osaka, Japan
| | - Hyun Jun Park
- Department of Urology, Pusan National University School of Medicine, Busan, Korea
- Medical Research Institute of Pusan National University Hospital, Busan, Korea
| | - Imad Ziouziou
- Department of Urology, College of medicine and pharmacy, Ibn Zohr University, Agadir, Morocco
| | - Jean de la Rosette
- Department of urology, Faculty of Medicine, Istanbul Medipol Mega University Hospital, Istanbul, Turkey
| | - Jim Hotaling
- Department of Surgery (Urology), University of Utah, Salt Lake City, UT, USA
| | - Jonathan Ramsay
- Department of Andrology, Hammersmith Hospital, Imperial, London, UK
| | | | - Ka Lun Lo
- Division of Urology, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Kadir Bocu
- Department of Urology, Silopi State Hospital, Sirnak, Turkey
| | - Kareim Khalafalla
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
- Department of Urology, University of Illinois, Chicago, IL, USA
| | - Kasonde Bowa
- Department of Urology, School of Medicine and Health Sciences, University of Lusaka, Lusaka, Zambia
| | - Keisuke Okada
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koichi Nagao
- Department of Urology, Toho University Faculty of Medicine, Tokyo, Japan
| | - Koji Chiba
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Lukman Hakim
- Department of Urology, Universitas Airlangga/Rumah Sakit Universitas Airlangga Teaching Hospital, Surabaya, Indonesia
| | | | - Marah Hehemann
- Department of Urology, University of Washington, Seattle, WA, USA
| | - Marcelo Rodriguez Peña
- Instituto de Ginecología y Fertilidad (IFER), Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marco Falcone
- Department of Urology, Molinette Hospital, A.O.U. Città della Salute e della Scienza, University of Turin, Torino, Italy
| | - Marion Bendayan
- Department of Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Department of Biology, Reproduction, Epigenetics, Environment and Development, Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Marlon Martinez
- Section of Urology, Department of Surgery, University of Santo Tomas Hospital, Manila, Philippines
| | - Massimiliano Timpano
- Department of Urology, Molinette Hospital, A.O.U. Città della Salute e della Scienza, University of Turin, Torino, Italy
| | - Mesut Altan
- Department of Urology, Haceppete University, Ankara, Turkey
| | - Mikkel Fode
- Department of Urology, Herlev and Gentofte University Hospital, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - Mohammad Ali Sadighi Gilani
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | | | - Nazim Gherabi
- Andrology Committee of the Algerian Association of Urology, Algiers, Algeria
| | - Nikolaos Sofikitis
- Department of Urology, Ioannina University School of Medicine, Ioannina, Greece
| | - Oğuzhan Kahraman
- Department of Urology, School of Medicine, Baskent University, Konya, Turkey
| | - Ponco Birowo
- Department of Urology, Cipto Mangunkusumo General Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | | | - Puneet Sindhwani
- Department of Urology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, USA
| | - Qaisar Javed
- Department of Urology, Al - Ahlia Hospital Abu Dhabi UAE, Abu Dhabi, UAE
| | - Rafael F Ambar
- Department of Urology, Centro Universitario em Saude do ABC, Santo André, Brazil
- Andrology Group at Ideia Fertil Institute of Human Reproduction, Santo André, Brazil
| | - Raghavender Kosgi
- Department of Urology and Andrology, AIG Hospitals, Hyderabad, Telangana, India
| | - Ramy Abou Ghayda
- Urology Institute, University Hospitals, Case Western Reserve University, Cleveland, OH, USA
| | - Ricky Adriansjah
- Department of Urology, Faculty of Medicine Universitas Padjadjaran, Hasan Sadikin General Hospital, Banding, Indonesia
| | | | - Sandro La Vignera
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Sava Micic
- Department of Andrology, Uromedica Polyclinic, Belgrade, Serbia
| | - Shannon Hee Kyung Kim
- IVF Australia, Sydney, New South Wales, Australia
- Macquarie School of Medicine, Macquaire University, Sydney, New South Wales, Australia
| | - Shinichiro Fukuhara
- Department of Urology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Sun Tae Ahn
- Department of Urology, Korea University College of Medicine, Seoul, Korea
| | - Taymour Mostafa
- Department of Andrology, Sexology and STIs, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Teng Aik Ong
- Department of Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Teppei Takeshima
- Department of Urology, Reproduction Center, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan
| | - Toshiyasu Amano
- Department of Urology, Nagano Red Cross Hospital, Nagano, Japan
| | | | - Umut Arslan
- Department of Urology, Fatih Sultan Mehmet Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | | | - Widi Atmoko
- Department of Urology and Andrology, AIG Hospitals, Hyderabad, Telangana, India
| | - Yasushi Yumura
- Department of Urology, Reproduction Center, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan
| | - Yiming Yuan
- Andrology Center & Urology Department, Peking University First Hospital, Peking University, Beijing, China
| | - Yuki Kato
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Davor Jezek
- Department for Transfusion Medicine and Transplantation Biology, Reproductive Tissue Bank, University of Zagreb, School of Medicine, University Hospital Zagreb, Zagreb, Croatia
| | | | | | - Jun Dy
- Stone and Prostate Treatment Services/Pelvic Floor Center and Anorectal Diseases, St. Luke's Medical Center, Quezon City, Metro Manila, Philippines
| | - Eduard Ruiz Castañé
- Department of Andrology, Fundació Puigvert, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Ahmed I El-Sakka
- Department of Urology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Quang Nguyen
- Center for Andrology and Sexual Medicine, Viet Duc University Hospital, Hanoi, Vietnam
- Department of Urology, Andrology and Sexual Medicine, University of Medicine and Pharmacy, Vietnam National University, Hanoi, Vietnam
| | - Selcuk Sarikaya
- Department of Urology, Gülhane Research and Training Hospital, University of Health Sciences, Ankara, Turkey
| | - Luca Boeri
- Department of Urology, IRCCS Fondazione Ca Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Ronny Tan
- Advanced Urology Associates, Singapore
- Mount Elizabeth Hospital, Singapore
| | - Mohamad A Moussa
- Department of Urology, Lebanese University, Beirut, Lebanon
- Department of Urology, Al Zahraa Hospital, UMC, Lebanon
| | - Ahmed El-Assmy
- Mansoura University Urology and Nephrology Center, Mansoura, Egypt
| | - Hamed Alali
- King Fahad Specialist Hospital, Dammam, Saudi Arabia
| | - Naif Alhathal
- King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Yasser Osman
- Mansoura University Urology and Nephrology Center, Mansoura, Egypt
| | - Dragoljub Perovic
- Urology and Andrology Center, CODRA Hospital, University of Montenegro, Podgorica, Montenegro
| | | | - Hamed Akhavizadegan
- Department of Urology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Said Kattan
- King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Mohamed S Kattan
- King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Nasser Mogharabian
- Sexual Health and Fertility Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
| | | | - Kay Seong Ngoo
- Urology Unit, Department of Surgery, Hospital Angkatan Tentera Tuanku Mizan, Kuala Lumpur, Malaysia
| | - Mohammad H Alkandari
- Department of Urology, Mubarak Al-Kabeer Teaching Hospital, Kuwait University, Jabriya, Kuwait
| | - Shaheed Alsuhaibani
- Department of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ioannis Sokolakis
- Department of Urology, Martha-Maria Hospital Nuremberg, Nuremberg, Germany
| | - Mehdi Babaei
- Department of Andrology, Shariati Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mak Siu King
- Division of Urology, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Thorsten Diemer
- Department of Urology, Pediatric Urology and Andrology, Justus-Liebig-University Giessen (GER), University Hospital Giessen and Marburg GmbH, Campus Giessen, Giessen, Germany
| | - Marcelo M Gava
- Department of Urology, Centro Universitario em Saude do ABC, Santo André, Brazil
- Andrology Group at Ideia Fertil Institute of Human Reproduction, Santo André, Brazil
| | | | - Rodrigo Spinola E Silva
- Department of Urology, Centro Universitario em Saude do ABC, Santo André, Brazil
- Andrology Group at Ideia Fertil Institute of Human Reproduction, Santo André, Brazil
| | - Gustavo Marquesine Paul
- Department of Urology, Hospital de Clínicas of the Federal University of Paraná, Curitiba, Brazil
| | | | - Sidney Glina
- Department of Urology, Centro Universitario em Saude do ABC, Santo André, Brazil
| | | | - Han Wu
- Department of Andrology, PKU 3rd Hospital Reproductive Medicine Center, Beijing, China
| | - Jana Wurzacher
- Department of Urology, University Hospital Innsbruck, Innsbruck, Austria
| | - Ala'a Farkouh
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Hwancheol Son
- Department of Urology, SMG-SNU Boramae Medical Center, Seoul, Korea
| | - Suks Minhas
- Division of Surgery, Department of Surgery and Cancer, Imperial College London, London, UK
| | - Joe Lee
- Department of Urology, National University Hospital, Singapore
| | - Nikko Magsanoc
- Department of Surgery, University of the Philippines College of Medicine, Manila, Philippines
| | | | - German Jose Albano
- Section of Urology, Department of Surgery, University of Santo Tomas Hospital, Manila, Philippines
| | | | - Channa N Jayasena
- Department of Reproductive Endocrinology and Andrology, Imperial College London, London, UK
- Department of Andrology, Hammersmith & St. Mary's Hospitals, London, UK
| | - Juan G Alvarez
- Department of Andrology, Centro ANDROGEN, La Coruña, Spain
| | - Colin Teo
- Department of Urology, Gleneagles Hospital, Singapore
| | - Ryan P Smith
- Department of Urology, University of Virginia School of Medicine, Virginia, USA
| | - Jo Ben M Chua
- Department of Urology, East Avenue Medical Center, Quezon City, Philippines
| | | | - Sijo Parekattil
- Avant Concierge Urology & University of Central Florida, Winter Garden, FL, USA
| | - Renata Finelli
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Damayanthi Durairajanayagam
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Selangor, Malaysia
| | - Keshab Kumar Karna
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Abdelkareem Ahmed
- Department of Urology, Sabah Al Ahmad Urology Center, Kuwait City, Kuwait
| | | | - Yukihiro Umemoto
- Department of Nephro-Urology, Nagoya City West Medical Center, Nagoya, Japan
| | - Ana Puigvert
- Urological and Human Reproduction Unit, Quiron Hospital, Barcelona, Spain
| | - Gökhan Çeker
- Department of Urology, Başakşehir Çam and Sakura City Hospital, Istanbul, Turkey
- Department of Embryology and Histology, Zonguldak Bülent Ecevit University Institute of Health Sciences, Zonguldak, Turkey
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Nakagawa T, Shigehara K, Kato Y, Kawaguchi S, Nakata H, Nakano T, Izumi K, Kadono Y, Mizokami A. Are bladder washing samples suitable for investigation of HPV infection in urinary bladder? Comparison in HPV prevalence between urine and washing samples. J Med Virol 2023; 95:e28110. [PMID: 36042577 DOI: 10.1002/jmv.28110] [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: 07/11/2022] [Revised: 08/22/2022] [Accepted: 08/28/2022] [Indexed: 01/11/2023]
Abstract
Although urine and bladder washing samples are commonly used for the cytological evaluation of the bladder mucosa, it has been unknown whether these samples are likely suitable to investigate human papillomavirus (HPV) prevalence in the urinary bladder. The present study aimed to elucidate the appropriateness of spontaneously voided urine or bladder washing in screening HPV infection in the urinary bladder. Urine and bladder washing samples were obtained from 201 patients who underwent transurethral bladder tumor resection. After extracting DNA from both samples, HPV-DNA was examined using a nested polymerase chain reaction with GP5+/6+ and MY09/11 primers. HPV genotyping was performed in the HPV-positive samples. In situ hybridization (ISH) was performed to observe the HPV-DNA localization in urothelial cells among cytological samples and paraffin-embedded tumor tissues in HPV-positive washing samples. HPV prevalence in urine and washing samples were 9.5% and 7.0%, respectively. High-risk HPV prevalence in urine and washing samples was 7.5% and 4.0%, respectively. The most common HPV type was HPV 16, followed by HPV 52 and HPV 18 in both samples. HPV type distribution in both samples was not in agreement (κ = -0.431). The ISH analysis revealed that HPV-DNA signal was observed in urothelial cells of five (55.7%) of nine detectable HPV-positive cytological samples. Six (66.7%) of nine HPV-positive cases had HPV-DNA signals in tumor tissue. The use of washing samples was likely applicable for investigating HPV prevalence in the urinary bladder. HPV-DNA detected in washing samples might be frequently derived from the urinary bladder.
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Affiliation(s)
- Tomomi Nakagawa
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Kazuyoshi Shigehara
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Yuki Kato
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Shohei Kawaguchi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Hiroki Nakata
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Taito Nakano
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Kouji Izumi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Yoshifumi Kadono
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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Hori S, Yamamoto Y, Ushida K, Shirai Y, Shimizu M, Kato Y, Shimizu A, Momosaki R. Impact of Frailty Risk on Oral Intake and Length of Hospital Stay in Older Patients with Pneumonia: A Historical Cohort Study. J Clin Med 2022; 12:jcm12010077. [PMID: 36614878 PMCID: PMC9821132 DOI: 10.3390/jcm12010077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
The aim of this study was to examine the association between frailty risk and outcomes in older patients with pneumonia. For this purpose, the JMDC multi-center database was used, and a historical cohort study was conducted to examine the association between the Hospital Frailty Risk Score (HFRS) and oral intake prognosis and length of hospital stay in older patients hospitalized with pneumonia. Patients were classified into low-risk (HFRS < 5), intermediate-risk (HFRS = 5−15), and high-risk (HFRS > 15) groups based on their HFRS scores, and outcomes were defined as the number of days from admission to the start of oral intake and length of hospital stay. A total of 98,420 patients with pneumonia (mean age 82.2 ± 7.2) were finally included. Of these patients, 72,207 (73.4%) were in the low-risk group, 23,136 (23.5%) were in the intermediate-risk group, and 3077 (3.1%) were in the high-risk group. The intermediate- and high-risk groups had a higher number of days to the start of oral intake than the low-risk group (intermediate-risk group: coefficient 0.705, 95% confidence interval [CI] 0.642−0.769; high-risk group: coefficient 0.889, 95% CI 0.740−1.038). In addition, the intermediate- and high-risk groups also had longer hospital stays than the low-risk group (intermediate-risk group: coefficient 5.743, 95% CI 5.305−6.180; high-risk group: coefficient 7.738, 95% CI 6.709−8.766). Overall, we found that HFRS is associated with delayed initiation of oral intake and prolonged hospital stay in older patients with pneumonia. Therefore, evaluation based on HFRS could be helpful in making clinical decisions regarding the selection of feeding strategies and when to discharge older patients with pneumonia.
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Affiliation(s)
- Shinsuke Hori
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan
| | - Yoshinori Yamamoto
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
| | - Kenta Ushida
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
| | - Yuka Shirai
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
- Department of Nutrition, Hamamatsu Medicine University Hospital, Hamamatsu 431-3192, Japan
| | - Miho Shimizu
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan
| | - Yuki Kato
- Department of Rehabilitation, Mie University Hospital, Tsu 514-8507, Japan
| | - Akio Shimizu
- Department of Health Science, Faculty of Health and Human Development, The University of Nagano, Nagano 380-8525, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
- Correspondence: ; Tel.: +81-59-232-1111
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Ogino S, Yamada A, Kambe Y, Nakano T, Lee S, Sakamoto M, Kato Y, Okumura S, Okano J, Yamauchi K, Suzuki Y, Yamaoka T, Morimoto N. Correction: Preliminary report of de novo adipogenesis using novel bioabsorbable implants and image evaluation using a porcine model. J Artif Organs 2022:10.1007/s10047-022-01374-9. [DOI: 10.1007/s10047-022-01374-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Kato Y, Lim AY, Sakolish C, Valdiviezo A, Moyer HL, Hewitt P, Bajaj P, Han G, Rusyn I. Analysis of reproducibility and robustness of OrganoPlate® 2-lane 96, a liver microphysiological system for studies of pharmacokinetics and toxicological assessment of drugs. Toxicol In Vitro 2022; 85:105464. [PMID: 36057418 PMCID: PMC10015056 DOI: 10.1016/j.tiv.2022.105464] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/26/2022] [Accepted: 08/26/2022] [Indexed: 02/06/2023]
Abstract
Establishing the functionality, reproducibility, robustness, and reliability of microphysiological systems is a critical need for adoption of these technologies. A high throughput microphysiological system for liver studies was recently proposed in which induced pluripotent stem cell-derived hepatocytes (iHeps) and non-parenchymal cells (endothelial cells and THP-1 cells differentiated with phorbol 12-myristate 13-acetate into macrophage-like cells) were co-cultured in OrganoPlate® 2-lane 96 devices. The goal of this study was to evaluate this platform using additional cell types and conditions and characterize its utility and reproducibility. Primary human hepatocytes or iHeps, with and without non-parenchymal cells, were cultured for up to 17 days. Image-based cell viability, albumin and urea secretion into culture media, CYP3A4 activity and drug metabolism were assessed. The iHeps co-cultured with non-parenchymal cells demonstrated stable cell viability and function up to 17 days; however, variability was appreciable both within and among studies. The iHeps in monoculture did not form clusters and lost viability and function over time. The primary human hepatocytes in monoculture also exhibited low cell viability and hepatic function. Metabolism of various drugs was most efficient when iHeps were co-cultured with non-parenchymal cells. Overall, we found that the OrganoPlate® 2-lane 96 device, when used with iHeps and non-parenchymal cells, is a functional liver microphysiological model; however, the high-throughput nature of this model is somewhat dampened by the need for replicates to compensate for high variability.
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Affiliation(s)
- Yuki Kato
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA; Laboratory for Drug Discovery and Development, Shionogi Pharmaceutical Research Center, Shionogi & Co., Ltd., Osaka 561-0825, Japan
| | - Alicia Y Lim
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Courtney Sakolish
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Alan Valdiviezo
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Haley L Moyer
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
| | - Philip Hewitt
- Chemical and Preclinical Safety, Merck Healthcare KGaA, 64293 Darmstadt, Germany
| | - Piyush Bajaj
- Global Investigative Toxicology, Preclinical Safety, Sanofi USA, MA 01701, USA
| | - Gang Han
- Department of Epidemiology and Biostatistics, Texas A&M University, College Station, TX 77843, USA
| | - Ivan Rusyn
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA.
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Shigehara K, Kato Y, Konaka H, Kawaguchi S, Nohara T, Izumi K, Kadono Y, Namiki M, Mizokami A. The correlation between erectile function and adiponectin levels in men with late-onset hypogonadism. Aging Male 2022; 25:249-254. [PMID: 36190764 DOI: 10.1080/13685538.2022.2119955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Aim: This study investigated the relationship between erectile dysfunction (ED) and adiponectin levels in hypogonadal men.Methods: In this study, 218 patients with hypogonadism (mean age: 65.1 ± 8.3 years) were enrolled. All patients underwent physical examinations, with measurement of body mass index, body fat ratio, and waist circumference. The erectile function was assessed using the sexual health inventory for men (SHIM) scoring system. Blood biochemical profiles such as free testosterone, fasting blood glucose, and lipid profile including adiponectin levels were measured. All patients were divided into two groups based on their SHIM score: normal to moderate ED (SHIM score ≥ 12) and severe ED (SHIM score < 12), and the factors associated with severe ED were determined. Patients with severe ED were divided into two groups based on adiponectin levels (cutoff value of 7.0 μg/mL), and their basic characteristics were compared between these two groups.Results: The severe ED group was older and had higher adiponectin levels. In patients with severe ED, various metabolic parameters were significantly worse in the low adiponectin groups than in the non-low adiponectin group.Conclusions: The risk of developing cardiovascular diseases is extremely high in hypogonadal men with severe ED who had lower serum adiponectin levels.
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Affiliation(s)
- Kazuyoshi Shigehara
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Yuki Kato
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Hiroyuki Konaka
- Department of Urology, Kanazawa Red Cross Hospital, Kanazawa, Japan
| | - Shohei Kawaguchi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Takahiro Nohara
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Kouji Izumi
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Yoshifumi Kadono
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Mikio Namiki
- Department of Urology, Hasegawa Hospital, Toyama, Japan
| | - Atsushi Mizokami
- Department of Integrative Cancer Therapy and Urology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
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45
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Shirai Y, Momosaki R, Kokura Y, Kato Y, Okugawa Y, Shimizu A. Validation of Asian Body Mass Index Cutoff Values for the Classification of Malnutrition Severity According to the Global Leadership Initiative on Malnutrition Criteria in Patients with Chronic Obstructive Pulmonary Disease Exacerbations. Nutrients 2022; 14:nu14224746. [PMID: 36432433 PMCID: PMC9698554 DOI: 10.3390/nu14224746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/02/2022] [Accepted: 11/08/2022] [Indexed: 11/12/2022] Open
Abstract
Low body mass index (BMI) is an independent predictor of prolonged hospital stay and mortality in patients with chronic obstructive pulmonary disease (COPD). However, to the best of our knowledge, no studies have examined the validity of Asian BMI cutoff values for classifying severity based on the Global Leadership Initiative on Malnutrition (GLIM) criteria in patients with acute COPD exacerbations. This study sought to validate whether Asian BMI cutoff values can accurately predict 30-day in-hospital mortality, length of stay, and 90-day readmission outcomes for patients with acute COPD exacerbations. The present retrospective cohort study was conducted using a large claims database created by the JMDC. Patients were classified into three groups according to the severity of low BMI assessed using Asian BMI cutoff values. As a result, 624 (29.4%) had severely low BMI, and 444 (20.9%) had moderately low BMI. The severity of low BMI, as assessed by the Asian BMI cutoff values used in the GLIM criteria, was independently associated with 30-day in-hospital mortality (moderately low BMI: HR, 1.87; 95% CI, 1.13−3.08; p = 0.014 and severely low BMI: HR, 2.55; 95% CI, 1.66−3.92; p < 0.001). The Asian BMI cutoff values used to classify the severity of malnutrition in the GLIM criteria are clinically functional for predicting the prognosis of patients with acute COPD exacerbations.
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Affiliation(s)
- Yuka Shirai
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Mie, Japan
- Clinical Nutrition Unit, Hamamatsu University Hospital, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Ryo Momosaki
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Mie, Japan
| | - Yoji Kokura
- Department of Nutritional Management, Keiju Hatogaoka Integrated Facility for Medical and Long-Term Care, Hosu 927-0023, Ishikawa, Japan
| | - Yuki Kato
- Department of Rehabilitation Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Mie, Japan
| | - Yoshinaga Okugawa
- Department of Genomic Medicine, Mie University Hospital, Tsu 514-8507, Mie, Japan
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life Sciences, Mie University Graduate School of Medicine, Tsu 514-8507, Mie, Japan
| | - Akio Shimizu
- Department of Health Science, Faculty of Health and Human Development, The University of Nagano, 8-49-7, Nagano 380-8525, Nagano, Japan
- Correspondence: ; Tel.: +81-26-462-1463
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46
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Ohhara Y, Kato Y, Kamiyama T, Yamakawa-Kobayashi K. Su(var)2-10- and Su(var)205-dependent upregulation of the heterochromatic gene neverland is required for developmental transition in Drosophila. Genetics 2022; 222:iyac137. [PMID: 36149288 PMCID: PMC9630985 DOI: 10.1093/genetics/iyac137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 08/29/2022] [Indexed: 11/14/2022] Open
Abstract
Animals develop from juveniles to sexually mature adults through the action of steroid hormones. In insect metamorphosis, a surge of the steroid hormone ecdysone prompts the transition from the larval to the adult stage. Ecdysone is synthesized by a series of biosynthetic enzymes that are specifically expressed in an endocrine organ, the prothoracic gland. At the late larval stage, the expression levels of ecdysone biosynthetic enzymes are upregulated through the action of numerous transcription factors, thus initiating metamorphosis. In contrast, the mechanism by which chromatin regulators support the expression of ecdysone biosynthetic genes is largely unknown. Here, we demonstrate that Su(var)2-10 and Su(var)205, suppressor of variegation [Su(var)] genes encoding a chromatin regulator Su(var)2-10 and nonhistone heterochromatic protein 1a, respectively, regulate the transcription of one of the heterochromatic ecdysone biosynthetic genes, neverland, in Drosophila melanogaster. Knockdown of Su(var)2-10 and Su(var)205 in the prothoracic gland caused a decrease in neverland expression, resulting in a defect in larval-to-prepupal transition. Furthermore, overexpression of neverland and administration of 7-dehydrocholesterol, a biosynthetic precursor of ecdysone produced by Neverland, rescued developmental defects in Su(var)2-10 and Su(var)205 knockdown animals. These results indicate that Su(var)2-10- and Su(var)205-mediated proper expression of neverland is required for the initiation of metamorphosis. Given that Su(var)2-10-positive puncta are juxtaposed with the pericentromeric heterochromatic region, we propose that Su(var)2-10- and Su(var)205-dependent regulation of inherent heterochromatin structure at the neverland gene locus is essential for its transcriptional activation.
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Affiliation(s)
- Yuya Ohhara
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Shizuoka 422-8526, Japan
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Shizuoka 422-8526, Japan
| | - Yuki Kato
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Shizuoka 422-8526, Japan
| | - Takumi Kamiyama
- College of Biological Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
| | - Kimiko Yamakawa-Kobayashi
- School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Shizuoka 422-8526, Japan
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Shizuoka 422-8526, Japan
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47
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Shigehara K, Kato Y, Izumi K, Mizokami A. Relationship between Testosterone and Sarcopenia in Older-Adult Men: A Narrative Review. J Clin Med 2022; 11:jcm11206202. [PMID: 36294523 PMCID: PMC9605266 DOI: 10.3390/jcm11206202] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 12/01/2022] Open
Abstract
Age-related decline in testosterone is known to be associated with various clinical symptoms among older men and it is possible that the accompanying decline in muscle mass and strength might lead to a decline in motor and physical functions. Sarcopenia is an important pathophysiological factor associated with frailty in older adults and is diagnosed in older adults as a decrease in muscle strength, muscle mass, and walking speed, which can lead to a significant decline in the quality of life and shortened healthy life expectancy. Testosterone directly interacts with the androgen receptor expressed in myonuclei and satellite cells and is also indirectly associated with muscle metabolism through various cytokines and molecules. Currently, significant correlations between testosterone and frailty in men have been confirmed by numerous cross-sectional studies. Many randomized control studies have also supported the beneficial effect of testosterone replacement therapy (TRT) on muscle volume and strength among men with low to normal testosterone levels. In the world’s aging society, TRT can be a tool for preventing the onset of sarcopenia in older-adult men. This narrative review aims to show the relationship between the decline in testosterone with age, sarcopenia, and frailty, as well as the effects of testosterone replacement therapy on muscle mass and strength.
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Abstract
Global alignment of complex pseudotime trajectories between different single-cell RNA-seq datasets is challenging, as existing tools mainly focus on linear alignment of single-cell trajectories. Here we present CAPITAL (comparative analysis of pseudotime trajectory inference with tree alignment), a method for comparing single-cell trajectories with tree alignment whereby branching trajectories can be automatically compared. Computational tests on synthetic datasets and authentic bone marrow cells datasets indicate that CAPITAL has achieved accurate and robust alignments of trajectory trees, revealing various gene expression dynamics including gene–gene correlation conservation between different species. Global alignment of complex cell state trajectories between single-cell datasets remains challenging. Here, the authors present a computational method called CAPITAL to compare branching trajectories, and demonstrate that this method achieves accurate and robust alignments.
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Affiliation(s)
- Reiichi Sugihara
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan
| | - Yuki Kato
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan. .,Integrated Frontier Research for Medical Science Division, and RNA Frontier Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan.
| | - Tomoya Mori
- Bioinformatics Center, Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan
| | - Yukio Kawahara
- Department of RNA Biology and Neuroscience, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan.,Integrated Frontier Research for Medical Science Division, and RNA Frontier Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-2 Yamada-oka, Suita, Osaka, 565-0871, Japan
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49
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Kataoka M, Ikkou S, Kato Y, Minami K, Higashino H, Takagi T, Yamashita S. Effects of Ingested Water Volume on Oral Absorption of Fenofibrate, a BCS Class II Drug, from Micronized and Amorphous Solid Dispersion Formulations in Rats. Biol Pharm Bull 2022; 45:1452-1457. [PMID: 36184502 DOI: 10.1248/bpb.b22-00219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this study, we investigated the effects of ingested water volume on the oral absorption of fenofibrate (FEN) with several formulations to confirm the applicability of rats for oral formulation screening. Oral absorption of suspended crystalline FEN was significantly improved by increasing ingested water volume (from 0.5 to 2 mL). FEN absorption improvement by particle size reduction and the linearity in oral absorption by dose escalation suggested that the rate-limiting step of FEN absorption in rats was the dissolution rate, consistent with that in humans. When FEN, as an amorphous solid dispersion (ASD) formulation, was suspended in water followed by immediate administration, oral FEN absorption was significantly higher than when administered in crystalline form and was not influenced by the differences in ingested water volume. Oral absorption of FEN from encapsulated ASD formulation in 1 or 2 mL of water was comparable with that of the suspension form. However, 0.5 mL of water significantly reduced the oral absorption of the solid ASD FEN formulation. These results indicate that to improve the oral absorption of poorly water-soluble drugs when performing a preclinical study with rats, 1 mL of water is the minimum preferable ingested volume to evaluate in vivo formulation performance.
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Affiliation(s)
| | - Sakiho Ikkou
- Faculty of Pharmaceutical Sciences, Setsunan University
| | - Yuki Kato
- Faculty of Pharmaceutical Sciences, Setsunan University
| | - Keiko Minami
- Faculty of Pharmaceutical Sciences, Setsunan University
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Kawai H, Naruse H, Sarai M, Kato Y, Sato Y, Motoyama S, Ishii J, Morimoto S, Izawa H. ACE values in the diagnosis of sarcoidosis. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
In clinical practice, we often encounter the patients with sarcoidosis showing relatively high in the normal range of serum angiotensin-converting enzyme (ACE) value.
Purpose
We aimed to examine the serum ACE value of the patients with sarcoidosis and determine the new cut-off value for detecting the patients with sarcoidosis.
Methods and results
We retrospectively examined all 3781 subjects (51.1% men, 60.1±17.0 y.o.) in whom ACE was measured for any reasons including suspected sarcoidosis between 2009 and 2020 in our hospital. Of 293 patients with sarcoidosis, 101, 212, 84, and 88 were diagnosed as sarcoidosis in heart, lung, skin, and eyes, respectively. After excluding 477 patients taking ACE inhibitor and/or immunosuppression agent or those with any diseases affecting serum ACE levels, we analyzed 3304 subjects including 215 with sarcoidosis. Serum ACEs were 19.6 IU/L [IQR, 15.1–31.5] in the subjects with sarcoidosis and 10.7 [8.4–16.5] in those without (P<0.01). In ROC curve analysis of ACE for diagnosis of sarcoidosis, the cut-off point was 14.7 IU/L and the AUC was 0.865. When we used the current cut-off of 21.4 or new cut-off value of 14.7, sensitivity, specificity, PPV, NPV, and accuracy were shown in Table. Finally, they were divided into four groups based on the presence of cardiac and/or extra cardiac sarcoidosis, ACE values in Group A, B, C, and D were 17.9, 20.9, 18.6, and 10.7, respectively (Figure 1).
Conclusion(s)
In the current cut-off value of serum ACE, sensitivity for detecting sarcoidosis was comparatively low, though positive predictive value was low when the new-cut-off value was used in our study. Further examinations may be needed for the patients suspected sarcoidosis with relatively high ACE in the normal range.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- H Kawai
- Fujita Health University , Toyoake , Japan
| | - H Naruse
- Fujita Health University , Toyoake , Japan
| | - M Sarai
- Fujita Health University , Toyoake , Japan
| | - Y Kato
- Fujita Health University , Toyoake , Japan
| | - Y Sato
- Fujita Health University , Toyoake , Japan
| | - S Motoyama
- Fujita Health University , Toyoake , Japan
| | - J Ishii
- Fujita Health University , Toyoake , Japan
| | - S Morimoto
- Fujita Health University , Toyoake , Japan
| | - H Izawa
- Fujita Health University , Toyoake , Japan
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