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Grondin A, Natividad MA, Ogata T, Jan A, Gaudin ACM, Trijatmiko KR, Liwanag E, Maruyama K, Fujita Y, Yamaguchi-Shinozaki K, Nakashima K, Slamet-Loedin IH, Henry A. A Case Study from the Overexpression of OsTZF5, Encoding a CCCH Tandem Zinc Finger Protein, in Rice Plants Across Nineteen Yield Trials. Rice (N Y) 2024; 17:25. [PMID: 38592643 PMCID: PMC11003944 DOI: 10.1186/s12284-024-00705-z] [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: 09/21/2023] [Accepted: 03/29/2024] [Indexed: 04/10/2024]
Abstract
BACKGROUND Development of transgenic rice overexpressing transcription factors involved in drought response has been previously reported to confer drought tolerance and therefore represents a means of crop improvement. We transformed lowland rice IR64 with OsTZF5, encoding a CCCH-tandem zinc finger protein, under the control of the rice LIP9 stress-inducible promoter and compared the drought response of transgenic lines and nulls to IR64 in successive screenhouse paddy and field trials up to the T6 generation. RESULTS Compared to the well-watered conditions, the level of drought stress across experiments varied from a minimum of - 25 to - 75 kPa at a soil depth of 30 cm which reduced biomass by 30-55% and grain yield by 1-92%, presenting a range of drought severities. OsTZF5 transgenic lines showed high yield advantage under drought over IR64 in early generations, which was related to shorter time to flowering, lower shoot biomass and higher harvest index. However, the increases in values for yield and related traits in the transgenics became smaller over successive generations despite continued detection of drought-induced transgene expression as conferred by the LIP9 promoter. The decreased advantage of the transgenics over generations tended to coincide with increased levels of homozygosity. Background cleaning of the transgenic lines as well as introgression of the transgene into an IR64 line containing major-effect drought yield QTLs, which were evaluated starting at the BC3F1 and BC2F3 generation, respectively, did not result in consistently increased yield under drought as compared to the respective checks. CONCLUSIONS Although we cannot conclusively explain the genetic factors behind the loss of yield advantage of the transgenics under drought across generations, our results help in distinguishing among potential drought tolerance mechanisms related to effectiveness of the transgenics, since early flowering and harvest index most closely reflected the levels of yield advantage in the transgenics across generations while reduced biomass did not.
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Affiliation(s)
- Alexandre Grondin
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
- Institut de Recherche Pour Le Développement, Université de Montpellier, UMR DIADE, 911 Avenue Agropolis, 34394, Montpellier, France
| | - Mignon A Natividad
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
| | - Takuya Ogata
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Asad Jan
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
- Institute of Biotechnology and Genetics Engineering, The University of Agriculture, Peshawar, 25130, Khyber Pakhtunkhwa, Pakistan
| | - Amélie C M Gaudin
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
- Department of Plant Sciences, University of California Davis, Davis, CA, 95616, USA
| | - Kurniawan R Trijatmiko
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
| | - Evelyn Liwanag
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
| | - Kyonoshin Maruyama
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Yasunari Fujita
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Kazuko Yamaguchi-Shinozaki
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
- Laboratory of Plant Molecular Physiology, The University of Tokyo, Tokyo, 113-8657, Japan
- Tokyo University of Agriculture, Research Institute for Agricultural and Life Sciences, Tokyo, Japan
| | - Kazuo Nakashima
- Food Program, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Inez H Slamet-Loedin
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines
| | - Amelia Henry
- Rice Breeding Innovations Department, International Rice Research Institute, Pili Drive, Los Baños, Laguna, Philippines.
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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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P, Pesce F, Pessolano G, Petchey W, Petr EJ, Pfab T, Phelan P, Phillips R, Phillips T, Phipps M, Piccinni G, Pickett T, Pickworth S, Piemontese M, Pinto D, Piper J, Plummer-Morgan J, Poehler D, Polese L, Poma V, Pontremoli R, Postal A, Pötz C, Power A, Pradhan N, Pradhan R, Preiss D, Preiss E, Preston K, Prib N, Price L, Provenzano C, Pugay C, Pulido R, Putz F, Qiao Y, Quartagno R, Quashie-Akponeware M, Rabara R, Rabasa-Lhoret R, Radhakrishnan D, Radley M, Raff R, Raguwaran S, Rahbari-Oskoui F, Rahman M, Rahmat K, Ramadoss S, Ramanaidu S, Ramasamy S, Ramli R, Ramli S, Ramsey T, Rankin A, Rashidi A, Raymond L, Razali WAFA, Read K, Reiner H, Reisler A, Reith C, Renner J, Rettenmaier B, Richmond L, Rijos D, Rivera R, Rivers V, Robinson H, Rocco M, Rodriguez-Bachiller I, Rodriquez R, Roesch C, Roesch J, Rogers J, Rohnstock M, Rolfsmeier S, Roman M, Romo A, Rosati A, Rosenberg S, Ross T, Rossello X, Roura M, Roussel M, Rovner S, Roy S, Rucker S, Rump L, Ruocco M, Ruse S, Russo F, Russo M, 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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Ishizaki T, Ueda Y, Takai T, Maruyama K, Tsujimoto Y. In-frame mutation in rice TEOSINTE BRANCHED1 (OsTB1) improves productivity under phosphorus deficiency. Plant Sci 2023; 330:111627. [PMID: 36737003 DOI: 10.1016/j.plantsci.2023.111627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/04/2022] [Accepted: 01/31/2023] [Indexed: 06/18/2023]
Abstract
Tillering is an important trait in rice productivity. We introduced mutations into the coding region of rice TEOSINTE BRANCHED1 (OsTB1), which is a negative regulator of tillering, using CRISPR/Cas9. The frameshift mutants exhibited substantially enhanced tillering and produced 3.5 times more panicles than the non-mutated plants at maturity. This enhanced tillering resulted in increased spikelet number; however, grain yields did not increase due to substantially reduced filled grain rate and 1,000-grain weight. In contrast, in-frame mutations in OsTB1 had the effect of slightly increasing tiller numbers, and the in-frame mutants had 40% more panicles than non-mutated plants. The grain yield of in-frame mutants also did not increase on nutrient-rich soil; however, under phosphorus-deficient conditions, where tillering is constrained, the in-frame mutants gave a significantly higher grain yield than non-mutated plants due to higher spikelet number and maintained filled grain rate. Rice grassy tiller1 (OsGT1)/OsHox12, which is directly regulated by OsTB1 to suppress tillering, was moderately down-regulated in in-frame mutants, suggesting that OsTB1 with the in-frame mutation shows partial function of intact OsTB1 in regulating OsGT1/OsHox12. We propose that mildly enhanced tillering by in-frame mutation of OsTB1 can improve grain yield under low phosphorus conditions.
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Affiliation(s)
- Takuma Ishizaki
- Tropical Agriculture Research Front, Japan International Research Center for Agricultural Sciences (JIRCAS), Ishigaki, Okinawa 907-0002, Japan.
| | - Yoshiaki Ueda
- Crop, Livestock and Environment Division, JIRCAS, Tsukuba, Ibaraki 305-8686, Japan.
| | - Toshiyuki Takai
- Crop, Livestock and Environment Division, JIRCAS, Tsukuba, Ibaraki 305-8686, Japan.
| | - Kyonoshin Maruyama
- Biological Resources and Post-harvest Division, JIRCAS, Tsukuba, Ibaraki 305-8686, Japan.
| | - Yasuhiro Tsujimoto
- Crop, Livestock and Environment Division, JIRCAS, Tsukuba, Ibaraki 305-8686, Japan.
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Takai T, Taniguchi Y, Takahashi M, Nagasaki H, Yamamoto E, Hirose S, Hara N, Akashi H, Ito J, Arai-Sanoh Y, Hori K, Fukuoka S, Sakai H, Tokida T, Usui Y, Nakamura H, Kawamura K, Asai H, Ishizaki T, Maruyama K, Mochida K, Kobayashi N, Kondo M, Tsuji H, Tsujimoto Y, Hasegawa T, Uga Y. MORE PANICLES 3, a natural allele of OsTB1/FC1, impacts rice yield in paddy fields at elevated CO 2 levels. Plant J 2023; 114:729-742. [PMID: 36974032 DOI: 10.1111/tpj.16143] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 02/06/2023] [Indexed: 05/27/2023]
Abstract
Improving crop yield potential through an enhanced response to rising atmospheric CO2 levels is an effective strategy for sustainable crop production in the face of climate change. Large-sized panicles (containing many spikelets per panicle) have been a recent ideal plant architecture (IPA) for high-yield rice breeding. However, few breeding programs have proposed an IPA under the projected climate change. Here, we demonstrate through the cloning of the rice (Oryza sativa) quantitative trait locus for MORE PANICLES 3 (MP3) that the improvement in panicle number increases grain yield at elevated atmospheric CO2 levels. MP3 is a natural allele of OsTB1/FC1, previously reported as a negative regulator of tiller bud outgrowth. The temperate japonica allele advanced the developmental process in axillary buds, moderately promoted tillering, and increased the panicle number without negative effects on the panicle size or culm thickness in a high-yielding indica cultivar with large-sized panicles. The MP3 allele, containing three exonic polymorphisms, was observed in most accessions in the temperate japonica subgroups but was rarely observed in the indica subgroup. No selective sweep at MP3 in either the temperate japonica or indica subgroups suggested that MP3 has not been involved and utilized in artificial selection during domestication or breeding. A free-air CO2 enrichment experiment revealed a clear increase of grain yield associated with the temperate japonica allele at elevated atmospheric CO2 levels. Our findings show that the moderately increased panicle number combined with large-sized panicles using MP3 could be a novel IPA and contribute to an increase in rice production under climate change with rising atmospheric CO2 levels.
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Affiliation(s)
- Toshiyuki Takai
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
| | - Yojiro Taniguchi
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
- Institute of Agrobiological Sciences, NARO, Tsukuba, Ibaraki, 305-8634, Japan
| | - Megumu Takahashi
- Institute of Vegetable and Floriculture Science, NARO, Tsukuba, Ibaraki, 305-8519, Japan
| | - Hideki Nagasaki
- Kazusa DNA Research Institute, Kisarazu, Chiba, 292-0818, Japan
| | - Eiji Yamamoto
- Meiji University, Kawasaki, Kanagawa, 214-8571, Japan
| | - Sakiko Hirose
- Institute of Agrobiological Sciences, NARO, Tsukuba, Ibaraki, 305-8634, Japan
| | - Naho Hara
- Institute of Agrobiological Sciences, NARO, Tsukuba, Ibaraki, 305-8634, Japan
| | - Hiroko Akashi
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Kanagawa, 244-0813, Japan
| | - Jun Ito
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Kanagawa, 244-0813, Japan
| | - Yumiko Arai-Sanoh
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
| | - Kiyosumi Hori
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
| | - Shuichi Fukuoka
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
| | - Hidemitsu Sakai
- Institute for Agro-Environmental Sciences, NARO, Tsukuba, Ibaraki, 305-8604, Japan
| | - Takeshi Tokida
- Institute for Agro-Environmental Sciences, NARO, Tsukuba, Ibaraki, 305-8604, Japan
| | - Yasuhiro Usui
- Central Region Agricultural Research Center, NARO, Tsukuba, Ibaraki, 305-8666, Japan
| | | | - Kensuke Kawamura
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Hidetoshi Asai
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Takuma Ishizaki
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Kyonoshin Maruyama
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Keiichi Mochida
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Kanagawa, 244-0813, Japan
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa, 230-0045, Japan
- School of Information and Data Sciences, Nagasaki University, Nagasaki, Nagasaki, 852-8521, Japan
| | - Nobuya Kobayashi
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
| | - Motohiko Kondo
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Aichi, 464-8601, Japan
| | - Hiroyuki Tsuji
- Kihara Institute for Biological Research, Yokohama City University, Yokohama, Kanagawa, 244-0813, Japan
- Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi, 464-8601, Japan
| | - Yasuhiro Tsujimoto
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Toshihiro Hasegawa
- Institute for Agro-Environmental Sciences, NARO, Tsukuba, Ibaraki, 305-8604, Japan
| | - Yusaku Uga
- Institute of Crop Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8518, Japan
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Inui M, Hosokawa S, Tsutsui S, Nakajima Y, Matsuda K, Maruyama K, Baron AQR. Collective excitations in a melt of fast phase change material GeCu 2Te 3. J Phys Condens Matter 2023; 35:234002. [PMID: 36893472 DOI: 10.1088/1361-648x/acc2ff] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Inelastic x-ray scattering measurements have been carried out to investigate atomic dynamics in a melt of fast phase change material GeCu2Te3. The dynamic structure factor was analysed using the model function with three damped harmonic oscillator components. By investigating the correlation between the excitation energy and the linewidth, and that between the excitation energy and the intensity on contour maps of a relative approximate probability distribution function proportional toexp(-χ2/N), we could judge the reliability of each inelastic excitation in the dynamic structure factor. The results indicate that there are two inelastic excitation modes besides the longitudinal acoustic one in the liquid. The lower energy excitation could be assigned to the transverse acoustic one whereas the higher energy one disperses like fast sound. The latter result may imply that the liquid ternary alloy exhibits a microscopic phase separation tendency.
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Affiliation(s)
- M Inui
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8521, Japan
| | - S Hosokawa
- Institute of Industrial Nanomaterials, Kumamoto University, Kumamoto 860-8555, Japan
| | - S Tsutsui
- Japan Synchrotron Radiation Research Institute (JASRI), Sayo-cho, Hyogo 679-5198, Japan
| | - Y Nakajima
- Department of Physics, Kumamoto University, Kumamoto 860-8555, Japan
| | - K Matsuda
- Department of Physics, Kumamoto University, Kumamoto 860-8555, Japan
| | - K Maruyama
- Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - A Q R Baron
- Japan Synchrotron Radiation Research Institute (JASRI), Sayo-cho, Hyogo 679-5198, Japan
- Materials Dynamics Laboratory, RIKEN SPring-8 Center, Sayo-cho, Hyogo 679-5148, Japan
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Ilyas M, Hussain Shah S, Fujita Y, Maruyama K, Nakashima K, Yamaguchi-Shinozaki K, Jan A. OsTZF1, a CCCH-tandem zinc finger protein gene, driven under own promoter produces no pleiotropic effects and confers salt and drought tolerance in rice. Plant Signal Behav 2022; 17:2142725. [PMID: 36398733 PMCID: PMC9677997 DOI: 10.1080/15592324.2022.2142725] [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] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Different abiotic stresses induce OsTZF1, a tandem CCCH-type zinc finger domain gene, in rice. Here, we report that transgenic rice plants overexpressing OsTZF1 under own promoter (POsTZF1:OsTZF1-OX [for overexpression]) transferred to soil showed normal growth similar to vector control plants. The POsTZF1:OsTZF1-OX produced normal leaves without any lesion mimic phenotype and exhibited normal seed setting. The POsTZF1:OsTZF1-OX plants showed significantly increased tolerance to salt and drought stresses and enhanced post stress recovery. Microarray analysis revealed a total of 846 genes up-regulated and 360 genes down-regulated in POsTZF1:OsTZF1-OX salt-treated plants. Microarray analysis of POsTZF1:OsTZF1-OX plants showed the regulation of many abiotic stress tolerance genes. These results suggest that OsTZF1-OX under own promoter show abiotic stress tolerance and produces no pleiotropic effect on phenotype of transgenic rice plant.
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Affiliation(s)
- Muhammad Ilyas
- Institute of Biotechnology and Genetic Engineering, the University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Safdar Hussain Shah
- Institute of Biotechnology and Genetic Engineering, the University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Yasunari Fujita
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, Japan
| | - Kyonoshin Maruyama
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, Japan
| | - Kazuo Nakashima
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, Japan
| | - Kazuko Yamaguchi-Shinozaki
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
- Research Institute for Agricultural and Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
| | - Asad Jan
- Institute of Biotechnology and Genetic Engineering, the University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan
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Kondo H, Maejima H, Maruyama K, Fujita M, Ohki T. First Report of Chinese Wheat Mosaic Virus that Infects Barley in Japan. Plant Dis 2022; 106:PDIS12212803PDN. [PMID: 35084947 DOI: 10.1094/pdis-12-21-2803-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- H Kondo
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - H Maejima
- Nagano Prefecture Agricultural Experiment Station, Suzaka, Nagano, 382-0051, Japan
| | - K Maruyama
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - M Fujita
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - T Ohki
- NARO Hokkaido Agricultural Research Center, Sapporo, Hokkaido, 062-8555, Japan
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Urano K, Maruyama K, Koyama T, Gonzalez N, Inzé D, Yamaguchi-Shinozaki K, Shinozaki K. Correction to: CIN‑like TCP13 is essential for plant growth regulation under dehydration stress. Plant Mol Biol 2022; 108:635. [PMID: 35201566 PMCID: PMC8967748 DOI: 10.1007/s11103-022-01251-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- Kaoru Urano
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
- Institute of Agrobiological Sciences, NARO 3-1-3 Kannondai, Tsukuba, Ibaraki, 305-8604, Japan.
| | - Kyonoshin Maruyama
- Plant Biotechnology Division, Japan International Research Center for Agricultural Sciences (JIRCAS), 1-1 Ohwashi, Tsukuba, Ibaraki, 305-8686, Japan
| | - Tomotsugu Koyama
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Seikacho, Kyoto, 619-0284, Japan
| | - Nathalie Gonzalez
- INRAE, Université de Bordeaux, UMR1332 Biologie du Fruit Et Pathologie, 33882, Villenave d'Ornon Cedex, France
| | - Dirk Inzé
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Kazuko Yamaguchi-Shinozaki
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Kazuo Shinozaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
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Urano K, Maruyama K, Koyama T, Gonzalez N, Inzé D, Yamaguchi-Shinozaki K, Shinozaki K. CIN-like TCP13 is essential for plant growth regulation under dehydration stress. Plant Mol Biol 2022; 108:257-275. [PMID: 35050466 PMCID: PMC8873074 DOI: 10.1007/s11103-021-01238-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/23/2021] [Indexed: 05/17/2023]
Abstract
A dehydration-inducible Arabidopsis CIN-like TCP gene, TCP13, acts as a key regulator of plant growth in leaves and roots under dehydration stress conditions. Plants modulate their shape and growth in response to environmental stress. However, regulatory mechanisms underlying the changes in shape and growth under environmental stress remain elusive. The CINCINNATA (CIN)-like TEOSINTE BRANCHED1/CYCLOIDEA/PCF (TCP) family of transcription factors (TFs) are key regulators for limiting the growth of leaves through negative effect of auxin response. Here, we report that stress-inducible CIN-like TCP13 plays a key role in inducing morphological changes in leaves and growth regulation in leaves and roots that confer dehydration stress tolerance in Arabidopsis thaliana. Transgenic Arabidopsis plants overexpressing TCP13 (35Spro::TCP13OX) exhibited leaf rolling, and reduced leaf growth under osmotic stress. The 35Spro::TCP13OX transgenic leaves showed decreased water loss from leaves, and enhanced dehydration tolerance compared with their control counterparts. Plants overexpressing a chimeric repressor domain SRDX-fused TCP13 (TCP13pro::TCP13SRDX) showed severely serrated leaves and enhanced root growth. Transcriptome analysis of TCP13pro::TCP13SRDX transgenic plants revealed that TCP13 affects the expression of dehydration- and abscisic acid (ABA)-regulated genes. TCP13 is also required for the expression of dehydration-inducible auxin-regulated genes, INDOLE-3-ACETIC ACID5 (IAA5) and LATERAL ORGAN BOUNDARIES (LOB) DOMAIN 1 (LBD1). Furthermore, tcp13 knockout mutant plants showed ABA-insensitive root growth and reduced dehydration-inducible gene expression. Our findings provide new insight into the molecular mechanism of CIN-like TCP that is involved in both auxin and ABA response under dehydration stress.
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Affiliation(s)
- Kaoru Urano
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
- Institute of Agrobiological Sciences, NARO 3-1-3 Kannondai, Tsukuba, Ibaraki, 305-8604, Japan.
| | - Kyonoshin Maruyama
- Plant Biotechnology Division, Japan International Research Center for Agricultural Sciences (JIRCAS), 1-1 Ohwashi, Tsukuba, Ibaraki, 305-8686, Japan
| | - Tomotsugu Koyama
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Seikacho, Kyoto, 619-0284, Japan
| | - Nathalie Gonzalez
- INRAE, Université de Bordeaux, UMR1332 Biologie du Fruit Et Pathologie, 33882, Villenave d'Ornon Cedex, France
| | - Dirk Inzé
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium
- VIB Center for Plant Systems Biology, 9052, Ghent, Belgium
| | - Kazuko Yamaguchi-Shinozaki
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Kazuo Shinozaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.
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11
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Yamane N, Ikeda A, Tomooka K, Saito I, Maruyama K, Eguchi E, Suyama K, Fujii A, Shiba T, Tanaka K, Kooka A, Nakamura S, Kajita M, Kawamura R, Takata Y, Osawa H, Steptoe A, Tanigawa T. Salivary Alpha-Amylase Activity and Mild Cognitive Impairment among Japanese Older Adults: The Toon Health Study. J Prev Alzheimers Dis 2022; 9:752-757. [PMID: 36281680 DOI: 10.14283/jpad.2022.51] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND There is growing interest in examining objective markers for early identification and behavioral intervention to prevent dementia and mild cognitive impairment in clinical and community settings. OBJECTIVE To investigate the association between salivary alpha-amylase as an objective measure of psychological stress response and mild cognitive impairment for the implication of psychological stress in the development of mild cognitive impairment. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study involved 865 participants aged ≥ 65 years. A saliva sample was collected in the morning, and the levels of salivary alpha-amylase were assayed. Mild cognitive impairment was evaluated using the Japanese version of the Montreal Cognitive Assessment; a score < 26 was indicative of mild cognitive impairment. A multivariable logistic regression model was used to examine the association of salivary alpha-amylase and mild cognitive impairment after adjusting for age, sex, current drinking status, current smoking status, body mass index, hypertension, diabetes mellitus, physical activity, education, social support, social network, and heart rate variability. RESULTS Salivary alpha-amylase was associated with mild cognitive impairment (the multivariable-adjusted odds ratio [95% confidence interval] for the 1-standard deviation increment of log-transformed salivary alpha-amylase was 1.24 [1.07-1.44]). This significant association persisted after adjusting for various confounding factors. CONCLUSION Elevation of salivary alpha-amylase was associated with mild cognitive impairment among Japanese community-dwelling older adults. This suggests that salivary alpha-amylase is a useful objective marker of psychological stress responses associated with mild cognitive impairment.
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Affiliation(s)
- N Yamane
- Takeshi Tanigawa, MD, PhD, Department of Public Health, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Phone: +81 (3) 5802-1049 Fax: +81 (3) 3814-0305,
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12
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Nakajima K, Nakata T, Doi T, Tada H, Saito S, Maruyama K. Creation of mortality risk calculator using a I-123 mIBG-based machine learning model: differential prediction of arrhythmic death and heart-failure death. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeab111.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Although I-123 meta-iodobenzylguanidine (mIBG) has been applied to patients with chronic heart failure (CHF), a diagnostic tool for differential prediction of fatal arrhythmic events (ArE) and heart-failure death (HFD) has been pursued.
Purpose
The aim of this study was to create a calculator of mortality risk for differentiating mode of cardiac death using a machine learning (ML) method, and to test the accuracy in a new cohort of patients with CHF.
Methods
A total of 529 patients with CHF was used as the training database for ML. The ArE group consisted of patients with arrhythmic death, sudden cardiac death and appropriate therapy by implantable cardioverter defibrillator. A heart-to-mediastinum ratio (H/M) standardized to the medium-energy collimator condition was calculated with a planar anterior mIBG scintigram. The best classifier models for predicting HFD and ArE were determined by four-fold cross validation. Input variables included age, sex, New York Heart Association (NYHA) functional class, left ventricular ejection fraction, ischemic etiology, mIBG H/M and washout rate, and b-type natriuretic peptide (BNP) or NT Pro BNP, estimated glomerular filtration rate, hemoglobin, and complications such as diabetes and hypertension. After creating the ML-based model, the constructed classifier functions for ArE, HFD, and survival were exported for subsequent use. A new cohort of patients (n = 312, age 67 ± 13 years, 2015 or later) was used to test the ML-based model.
Results
The training database included 141 events (27%) with ArE (7%) and HFD (20%). Receiver-operating characteristic analysis by four-fold validation showed area under the curve value of 0.90 for HFD and 0.73 for ArE. Among various ML methods, the logistic regression method demonstrated the most stable calculation of the probability of ArE followed by random forest and gradient boosted tree methods. Therefore, the logistic-regression method was used for calculating both HFD and ArE probabilities. In the test cohort, patients with a high HFD probability >8% resulted in 6.3-fold higher HFD than those with low probability (≤ 8%). Patients with high ArE probability >8% showed 2.5-fold higher ArE than those with low probability (≤ 8%).
Conclusion
The ML-based mortality risk calculator could be used for stratifying patients at high and low risks, which might be useful for estimating appropriate treatment strategy.
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Affiliation(s)
- K Nakajima
- Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - T Nakata
- Hakodate Goryoukaku Hospital, Hakodate, Japan
| | - T Doi
- Teine Keijinkai Hospital, Sapporo, Japan
| | - H Tada
- Kanazawa University Hospital, Kanazawa, Japan
| | - S Saito
- Kanazawa University Hospital, Kanazawa, Japan
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13
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Nakano T, Aoyama H, Onodera S, Matsumo Y, Shimamoto S, Igaki H, Matsuo M, Oya N, Ohta A, Saito H, Maruyama K, Kanemoto A, Sakurai T, Tanaka T, Kitamura N, Akazawa K, Maebayashi K. Reduced-Dose Whole Brain Radiation Therapy Combined With Stereotactic Irradiation For Solitary Or Oligo Brain Metastases Aiming At Minimizing Deterioration Of Neurocognitive Function Without Compromising Intracranial Tumor Control: Preliminary Results. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hayasaka T, Takehara N, Horiuchi K, Kano K, Tomita Y, Yoshida Y, Maruyama K, Minoshima A, Kawabe J, Hasebe N. Sarcopenia-derived exosomal micro-RNA 16-5p exerts the cardio-repair disturbance via pro-apoptotic mechanism in myocardial infarction of mice. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2872] [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: 11/14/2022] Open
Abstract
Abstract
Background
Sarcopenia is a pathophysiological malfunction induced by skeletal muscle atrophy, and several studies reported an association between sarcopenia-induced cardiac cachexia and poor prognosis in heart disease. Since only a few established animal models are recently available, the underlying mechanism of disturbed cardiac repair accompanied with sarcopenia remains poorly understood.
Purpose
We hypothesized that specific microRNAs in sarcopenia-derived exosomes play crucial roles in disturbed cardiac repair with sarcopenia, and these microRNAs directly exacerbate cardiomyocyte injury following cardiac ischemia and reperfusion.
Methods
We developed a novel sarcopenia-induced cardiac repair disturbance mouse model that is induced by tail suspension (TS) 7 days after a 45-min coronary occlusion of cardiac ischemia and reperfusion (I/R). The reduction of the left ventricular ejection fraction (LVEF) after I/R was compared in mice with TS [I/R-TS(+), n=14] and without [I/R-TS(−), n=12] by echocardiography. To investigate the exosomal mechanism of cardiac repair disturbance, a comprehensive analysis of extracted exosomal microRNAs from mice serum was performed in the 2 groups at day 8. Then, we investigated the impact of the identified candidate microRNA in neonatal rat cardiomyocytes (NRVMs). After 4 days in primary culture, candidate microRNA was transfected into NRVMs under hypoxic culture conditions. TUNEL analysis and quantitative PCR analysis of apoptosis-related genes were performed on the NRVMs.
Results
At day 8 after I/R, the LVEF of I/R-TS(+) was not significantly ameliorated compared to that of I/R-TS(−) (ΔLVEF; 1.59±6.92 vs. 8.04±7.71% p=0.034). Four candidate microRNAs obtained from I/R mice serum were identified in the microRNA array analysis. The re-analysis of these candidate micro-RNAs using all I/R mice demonstrated that the level of mir-16-5p in I/R-TS(+) was raised by approximately nine-fold than that in I/R-TS(−) (9.67±13.35 vs. 0.99±1.41, p<0.05). Next, an in vitro experimental model using a microRNA mimic revealed that apoptosis in NRVMs was greatly enhanced by the transfection of a mir-16-5p mimic in hypoxic culture conditions (mir-16-5p vs. control = 5.77±2.84 vs. 1.72±0.55%, p<0.01). Furthermore, by qRT-PCR analysis, the expression of CASP3 and TRP53 were upregulated in NRVMs treated with a mir-16-5p mimic than in control NRVMs.
Conclusion
Myocardial I/R injury in sarcopenia ended in cardiac repair disturbance accompanying with the enhanced expression of exosomal-mir-16-5p. A pro-apoptotic effect of mir-16-5p may exacerbate myocardial I/R injury and thus can be a novel therapeutic target for cardiac repair disturbance in sarcopenia.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Japan Society for the Promotion of Science
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Affiliation(s)
- T Hayasaka
- Asahikawa Medical University, Asahikawa, Japan
| | - N Takehara
- Asahikawa Medical University, Asahikawa, Japan
| | - K Horiuchi
- Asahikawa Medical University, Asahikawa, Japan
| | - K Kano
- Asahikawa Medical University, Asahikawa, Japan
| | - Y Tomita
- Asahikawa Medical University, Asahikawa, Japan
| | - Y Yoshida
- Asahikawa Medical University, Asahikawa, Japan
| | - K Maruyama
- Asahikawa Medical University, Asahikawa, Japan
| | - A Minoshima
- Asahikawa Medical University, Asahikawa, Japan
| | - J Kawabe
- Asahikawa Medical University, Asahikawa, Japan
| | - N Hasebe
- Asahikawa Medical University, Asahikawa, Japan
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15
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Selvaraj MG, Jan A, Ishizaki T, Valencia M, Dedicova B, Maruyama K, Ogata T, Todaka D, Yamaguchi‐Shinozaki K, Nakashima K, Ishitani M. Expression of the CCCH-tandem zinc finger protein gene OsTZF5 under a stress-inducible promoter mitigates the effect of drought stress on rice grain yield under field conditions. Plant Biotechnol J 2020; 18:1711-1721. [PMID: 31930666 PMCID: PMC7336284 DOI: 10.1111/pbi.13334] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 12/24/2019] [Accepted: 01/05/2020] [Indexed: 05/09/2023]
Abstract
Increasing drought resistance without sacrificing grain yield remains an ongoing challenge in crop improvement. In this study, we report that Oryza sativa CCCH-tandem zinc finger protein 5 (OsTZF5) can confer drought resistance and increase grain yield in transgenic rice plants. Expression of OsTZF5 was induced by abscisic acid, dehydration and cold stress. Upon stress, OsTZF5-GFP localized to the cytoplasm and cytoplasmic foci. Transgenic rice plants overexpressing OsTZF5 under the constitutive maize ubiquitin promoter exhibited improved survival under drought but also growth retardation. By introducing OsTZF5 behind the stress-responsive OsNAC6 promoter in two commercial upland cultivars, Curinga and NERICA4, we obtained transgenic plants that showed no growth retardation. Moreover, these plants exhibited significantly increased grain yield compared to non-transgenic cultivars in different confined field drought environments. Physiological analysis indicated that OsTZF5 promoted both drought tolerance and drought avoidance. Collectively, our results provide strong evidence that OsTZF5 is a useful biotechnological tool to minimize yield losses in rice grown under drought conditions.
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Affiliation(s)
| | - Asad Jan
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
- Present address:
Institute of Biotechnology and Genetic EngineeringThe University of AgriculturePeshawarKhyber PakhtunkhwaPakistan
| | - Takuma Ishizaki
- Tropical Agriculture Research Front (TARF)Japan International Research Center for Agricultural Sciences (JIRCAS)IshigakiOkinawaJapan
| | - Milton Valencia
- International Center for Tropical Agriculture (CIAT)CaliColombia
| | - Beata Dedicova
- International Center for Tropical Agriculture (CIAT)CaliColombia
| | - Kyonoshin Maruyama
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Takuya Ogata
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Daisuke Todaka
- Laboratory of Plant Molecular PhysiologyGraduate School of Agricultural and Life SciencesThe University of TokyoBunkyo‐kuTokyoJapan
| | - Kazuko Yamaguchi‐Shinozaki
- Laboratory of Plant Molecular PhysiologyGraduate School of Agricultural and Life SciencesThe University of TokyoBunkyo‐kuTokyoJapan
| | - Kazuo Nakashima
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Manabu Ishitani
- International Center for Tropical Agriculture (CIAT)CaliColombia
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Maruyama K, Urano K, Kusano M, Sakurai T, Takasaki H, Kishimoto M, Yoshiwara K, Kobayashi M, Kojima M, Sakakibara H, Saito K, Shinozaki K. Metabolite/phytohormone-gene regulatory networks in soybean organs under dehydration conditions revealed by integration analysis. Plant J 2020; 103:197-211. [PMID: 32072682 PMCID: PMC7384127 DOI: 10.1111/tpj.14719] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/22/2020] [Accepted: 01/29/2020] [Indexed: 05/21/2023]
Abstract
Metabolites, phytohormones, and genes involved in dehydration responses/tolerance have been predicted in several plants. However, metabolite/phytohormone-gene regulatory networks in soybean organs under dehydration conditions remain unclear. Here, we analyzed the organ specificity of metabolites, phytohormones, and gene transcripts and revealed the characteristics of their regulatory networks in dehydration-treated soybeans. Our metabolite/phytohormone analysis revealed the accumulation of raffinose, trehalose, and cis-zeatin (cZ) specifically in dehydration-treated roots. In dehydration-treated soybeans, raffinose, and trehalose might have additional roles not directly involved in protecting the photosynthetic apparatus; cZ might contribute to root elongation for water uptake from the moisture region in soil. Our integration analysis of metabolites-genes indicated that galactinol, raffinose, and trehalose levels were correlated with transcript levels for key enzymes (galactinol synthase, raffinose synthase, trehalose 6-phosphate synthase, trehalose 6-phosphate phosphatase) at the level of individual plants but not at the organ level under dehydration. Genes encoding these key enzymes were expressed in mainly the aerial parts of dehydration-treated soybeans. These results suggested that raffinose and trehalose are transported from aerial plant parts to the roots in dehydration-treated soybeans. Our integration analysis of phytohormones-genes indicated that cZ and abscisic acid (ABA) levels were correlated with transcript levels for key enzymes (cytokinin nucleoside 5'-monophosphate phosphoribohydrolase, cytokinin oxidases/dehydrogenases, 9-cis-epoxycarotenoid dioxygenase) at the level of individual plants but not at the organ level under dehydration conditions. Therefore, processes such as ABA and cZ transport, among others, are important for the organ specificity of ABA and cZ production under dehydration conditions.
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Affiliation(s)
- Kyonoshin Maruyama
- Biological Resources and Post‐Harvest DivisionJapan International Research Center for Agricultural SciencesTsukubaIbaraki305‐8686Japan
| | - Kaoru Urano
- RIKEN Center for Sustainable Resource Science3‐1‐1 KoyadaiTsukubaIbaraki305‐0074Japan
| | - Miyako Kusano
- Graduate School of Life and Environmental SciencesUniversity of TsukubaTsukuba305‐8572Japan
| | - Tetsuya Sakurai
- Interdisciplinary Science UnitMultidisciplinary Science Cluster, Research and Education FacultyKochi University200 Otsu, MonobeNankokuKochi783‐8502Japan
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
| | - Hironori Takasaki
- Graduate School of Science and EngineeringSaitama UniversityShimo‐Okubo 255, SakuraSaitama338‐8570Japan
| | - Miho Kishimoto
- Biological Resources and Post‐Harvest DivisionJapan International Research Center for Agricultural SciencesTsukubaIbaraki305‐8686Japan
| | - Kyouko Yoshiwara
- Biological Resources and Post‐Harvest DivisionJapan International Research Center for Agricultural SciencesTsukubaIbaraki305‐8686Japan
| | - Makoto Kobayashi
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
| | - Mikiko Kojima
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
| | - Hitoshi Sakakibara
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
- Graduate School of Bioagricultural SciencesNagoya UniversityChikusa, Nagoya464‐8601Japan
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
- Graduate School of Pharmaceutical SciencesChiba UniversityChiba260‐8675Japan
| | - Kazuo Shinozaki
- RIKEN Center for Sustainable Resource Science3‐1‐1 KoyadaiTsukubaIbaraki305‐0074Japan
- RIKEN Center for Sustainable Resource Science1‐7‐22 Suehiro, TsurumiYokohama230‐0045Japan
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17
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Filomeno R, Ikeda A, Maruyama K, Wada H, Tanigawa T. Excessive daytime sleepiness and alcohol consumption among commercial drivers. Occup Med (Lond) 2020; 69:406-411. [PMID: 31263899 DOI: 10.1093/occmed/kqz091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Commercial drivers suffering from excessive daytime sleepiness (EDS) have been identified as a major cause of road traffic accidents. Alcohol usage directly affects sleep, adversely affecting next-day alertness and performance. AIMS To examine the relationship between alcohol consumption and EDS among commercial truck drivers in Japan and the implications of this on public health. METHODS All participants in this cross-sectional study were commercial motor vehicle drivers from Tokyo and Niigata Prefecture. Participants completed a self-administered questionnaire with details of their age, body mass index, alcohol consumption, Epworth Sleepiness Scale (ESS) score and tobacco usage. Participants' oxygen desaturation index was determined by a pulse oximetry device that participants took home. RESULTS A total of 1422 males registered with the Japan Trucking Association and aged 20-69 years participated. The multivariate-adjusted odds ratio (OR) of EDS among participants aged <43 years was 0.81 (95% confidence interval (CI) 0.47-1.40) for light drinkers, 0.93 (95% CI 0.51-1.70) for moderate drinkers and 0.61 (95% CI 0.21-1.79) for heavy drinkers, compared to non-drinkers. The multivariate-adjusted OR among participants aged ≥43 years was 1.42 (95% CI 0.59-3.45) for light drinkers, 1.53 (95% CI 0.63-3.75) for moderate drinkers and 3.37 (95% CI 1.14-9.96) for heavy drinkers (P for interaction = 0.05). CONCLUSION We found that the association between ESS and alcohol intake was more evident among those aged ≥43 years, who reported higher levels of EDS with increased alcohol consumption.
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Affiliation(s)
- R Filomeno
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - A Ikeda
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - K Maruyama
- Department of Bioscience, Ehime University Graduate School of Agriculture, Ehime, Japan
| | - H Wada
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Kusano M, Fukushima A, Tabuchi-Kobayashi M, Funayama K, Kojima S, Maruyama K, Yamamoto YY, Nishizawa T, Kobayashi M, Wakazaki M, Sato M, Toyooka K, Osanai-Kondo K, Utsumi Y, Seki M, Fukai C, Saito K, Yamaya T. Cytosolic GLUTAMINE SYNTHETASE1;1 Modulates Metabolism and Chloroplast Development in Roots. Plant Physiol 2020; 182:1894-1909. [PMID: 32024696 PMCID: PMC7140926 DOI: 10.1104/pp.19.01118] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 01/09/2020] [Indexed: 05/31/2023]
Abstract
Nitrogen (N) is an essential macronutrient, and the final form of endogenous inorganic N is ammonium, which is assimilated by Gln synthetase (GS) into Gln. However, how the multiple isoforms of cytosolic GSs contribute to metabolic systems via the regulation of ammonium assimilation remains unclear. In this study, we compared the effects of two rice (Oryza sativa) cytosolic GSs, namely OsGS1;1 and OsGS1;2, on central metabolism in roots using reverse genetics, metabolomic and transcriptomic profiling, and network analyses. We observed (1) abnormal sugar and organic N accumulation and (2) significant up-regulation of genes associated with photosynthesis and chlorophyll biosynthesis in the roots of Osgs1;1 but not Osgs1;2 knockout mutants. Network analysis of the Osgs1;1 mutant suggested that metabolism of Gln was coordinated with the metabolic modules of sugar metabolism, tricarboxylic acid cycle, and carbon fixation. Transcript profiling of Osgs1;1 mutant roots revealed that expression of the rice sigma-factor (OsSIG) genes in the mutants were transiently upregulated. GOLDEN2-LIKE transcription factor-encoding genes, which are involved in chloroplast biogenesis in rice, could not compensate for the lack of OsSIGs in the Osgs1;1 mutant. Microscopic analysis revealed mature chloroplast development in Osgs1;1 roots but not in the roots of Osgs1;2, Osgs1;2-complemented lines, or the wild type. Thus, organic N assimilated by OsGS1;1 affects a broad range of metabolites and transcripts involved in maintaining metabolic homeostasis and plastid development in rice roots, whereas OsGS1;2 has a more specific role, affecting mainly amino acid homeostasis but not carbon metabolism.
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Affiliation(s)
- Miyako Kusano
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
- Tsukuba Plant Innovation Research Center, University of Tsukuba, Tsukuba 305-8572, Japan
| | - Atsushi Fukushima
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | | | - Kazuhiro Funayama
- Graduate School of Agricultural Science, Tohoku University, Sendai 981-0845, Japan
| | - Soichi Kojima
- Graduate School of Agricultural Science, Tohoku University, Sendai 981-0845, Japan
| | - Kyonoshin Maruyama
- Biological Resources and Post-Harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba 305-8686, Japan
| | - Yoshiharu Y Yamamoto
- The United Graduate School of Agricultural Science, Gifu University, Gifu 501-1193, Japan
| | - Tomoko Nishizawa
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Makoto Kobayashi
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Mayumi Wakazaki
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Mayuko Sato
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Kiminori Toyooka
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Kumiko Osanai-Kondo
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Yoshinori Utsumi
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Motoaki Seki
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
| | - Chihaya Fukai
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource Science, Tsurumi, Yokohama 230-0045, Japan
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba 260-8675, Japan
| | - Tomoyuki Yamaya
- Graduate School of Agricultural Science, Tohoku University, Sendai 981-0845, Japan
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Matsuo R, Tomooka K, Noda A, Maruyama K, Saito I, Tanigawa T. The effect of sleep disordered breathing and excessive daytime sleepiness on the risk of motor vehicle crash: the toon health study. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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OSHIMA A, Tomooka K, Ikeda A, Maruyama K, Saito I, Tanigawa T. Association of objective sleepiness with motor vehicle crash among japanese community residents: the toon health study. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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21
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Nakano T, Saito H, Tanaka K, Shioi M, Oshikane T, Maruyama K, Ohta A, Kaidu M, Abe E, Aoyama H. Risk Factors for Early Cognitive Deterioration after Whole-Brain Radiation Therapy for Brain Metastasis. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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22
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Kimura M, Wada H, Shirahama R, Suzuki Y, Suzuki Y, Maruyama K, Ikeda A, Tanigawa T. 0781 Association Between Snoring and Anxiety in Community-dwelling School Children. Sleep 2018. [DOI: 10.1093/sleep/zsy061.780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- M Kimura
- Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - H Wada
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - R Shirahama
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - K Maruyama
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - A Ikeda
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - T Tanigawa
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
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23
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Wada H, Kimura M, Tajima T, Shirahama R, Hayashi T, Suzuki Y, Suzuki Y, Sato S, Maruyama K, Endo M, Ikeda A, Tanigawa T. 0773 Sleep Disordered Breathing Based on Symptoms And RDI in Primary School Children with Implication for Prevalence. Sleep 2018. [DOI: 10.1093/sleep/zsy061.772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- H Wada
- Juntendo University, Tokyo, JAPAN
| | - M Kimura
- Juntendo University, Tokyo, JAPAN
| | - T Tajima
- Juntendo University, Tokyo, JAPAN
| | | | | | - Y Suzuki
- Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Juntendo University, Tokyo, JAPAN
| | - S Sato
- Juntendo University, Tokyo, JAPAN
| | | | - M Endo
- Juntendo University, Tokyo, JAPAN
| | - A Ikeda
- Juntendo University, Tokyo, JAPAN
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Nagino T, Kaga C, Kano M, Masuoka N, Anbe M, Moriyama K, Maruyama K, Nakamura S, Shida K, Miyazaki K. Effects of fermented soymilk with Lactobacillus casei Shirota on skin condition and the gut microbiota: a randomised clinical pilot trial. Benef Microbes 2018; 9:209-218. [DOI: 10.3920/bm2017.0091] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Several clinical studies have shown that isoflavones and Lactobacillus casei Shirota (LcS) have beneficial effects on skin condition and the gut microbiota, respectively. Thus, we investigated the effects of consecutive intake of fermented soymilk (FSM) with LcS on skin condition and the gut microbiota, as well as isoflavone bioavailability, in a randomised, double-blind, placebo-controlled trial as a pilot study. Sixty healthy premenopausal Japanese women received FSM containing a moderate level of isoflavone aglycones and a probiotic LcS, or soymilk (SM) containing neither of them, twice a day for 8 weeks. Skin condition was assessed by a subjective questionnaire for face and morphological analysis of the stratum corneum on the inner forearm. Faecal microbiota and urinary isoflavone were analysed by 16S rRNA gene amplicon sequencing and high-performance liquid chromatography tandem mass spectrometry, respectively. Both the FSM and SM groups had improved skin condition as assessed from scores of overall satisfaction, dryness, moisture, elasticity, coarseness, pigmentation and/or stratum corneum morphology, as well as significantly increased levels of urinary isoflavones during the intake period compared with the pre-intake period, although there were no significant differences between the two groups. There was a significant positive correlation between urinary isoflavone levels and skin questionnaire scores. In contrast, the relative abundance levels of Lactobacillaceae significantly increased and those of Bifidobacteriaceae tended to increase during the intake period compared with the pre-intake period. For the after-intake period they only decreased significantly in the FSM group. The levels of Enterobacteriaceae and Porphyromonadaceae significantly decreased during the intake period in the FSM group. These findings suggest that daily intake of FSM, as well as SM, provides health benefits that improve skin condition via increased levels of isoflavone absorption in the body, and that only FSM beneficially modifies the gut microbiota in premenopausal healthy women.
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Affiliation(s)
- T. Nagino
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - C. Kaga
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Kano
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - N. Masuoka
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Anbe
- Yakult Honsha Co., Ltd., 1-1-19 Higashi-shinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - K. Moriyama
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Maruyama
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - S. Nakamura
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - K. Shida
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
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Miyoshi N, Tanigawa T, Nishioka S, Maruyama K, Eguchi E, Tanaka K, Saito I, Yamazaki K, Miyake Y. Association of salivary lactate dehydrogenase level with systemic inflammation in a Japanese population. J Periodontal Res 2018; 53:487-494. [DOI: 10.1111/jre.12537] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2018] [Indexed: 12/01/2022]
Affiliation(s)
- N. Miyoshi
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
| | - T. Tanigawa
- Department of Public Health; Juntendo University Graduate School of Medicine; Tokyo Japan
| | - S. Nishioka
- Department of Diabetes and Molecular Genetics; Ehime University Graduate School of Medicine; Ehime Japan
- Ehime Dental Association; Ehime Japan
| | - K. Maruyama
- Department of Public Health; Juntendo University Graduate School of Medicine; Tokyo Japan
| | - E. Eguchi
- Department of Public Health; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama Japan
| | - K. Tanaka
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
| | - I. Saito
- Department of Basic Nursing and Health Science; Ehime University Graduate School of Medicine; Ehime Japan
| | - K. Yamazaki
- Research Unit for Oral-Systemic Connection; Division of Oral Science for Health Promotion; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - Y. Miyake
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
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Selvaraj MG, Ishizaki T, Valencia M, Ogawa S, Dedicova B, Ogata T, Yoshiwara K, Maruyama K, Kusano M, Saito K, Takahashi F, Shinozaki K, Nakashima K, Ishitani M. Overexpression of an Arabidopsis thaliana galactinol synthase gene improves drought tolerance in transgenic rice and increased grain yield in the field. Plant Biotechnol J 2017; 15:1465-1477. [PMID: 28378532 PMCID: PMC5633756 DOI: 10.1111/pbi.12731] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 02/10/2017] [Accepted: 03/16/2017] [Indexed: 05/03/2023]
Abstract
Drought stress has often caused significant decreases in crop production which could be associated with global warming. Enhancing drought tolerance without a grain yield penalty has been a great challenge in crop improvement. Here, we report the Arabidopsis thaliana galactinol synthase 2 gene (AtGolS2) was able to confer drought tolerance and increase grain yield in two different rice (Oryza sativa) genotypes under dry field conditions. The developed transgenic lines expressing AtGolS2 under the control of the constitutive maize ubiquitin promoter (Ubi:AtGolS2) also had higher levels of galactinol than the non-transgenic control. The increased grain yield of the transgenic rice under drought conditions was related to a higher number of panicles, grain fertility and biomass. Extensive confined field trials using Ubi:AtGolS2 transgenic lines in Curinga, tropical japonica and NERICA4, interspecific hybrid across two different seasons and environments revealed the verified lines have the proven field drought tolerance of the Ubi:AtGolS2 transgenic rice. The amended drought tolerance was associated with higher relative water content of leaves, higher photosynthesis activity, lesser reduction in plant growth and faster recovering ability. Collectively, our results provide strong evidence that AtGolS2 is a useful biotechnological tool to reduce grain yield losses in rice beyond genetic differences under field drought stress.
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Affiliation(s)
| | - Takuma Ishizaki
- Tropical Agriculture Research Front (TARF)Japan International Research Center for Agricultural Sciences (JIRCAS)IshigakiOkinawaJapan
| | - Milton Valencia
- International Center for Tropical Agriculture (CIAT)CaliColombia
| | - Satoshi Ogawa
- International Center for Tropical Agriculture (CIAT)CaliColombia
- Japan Society for the Promotion of ScienceThe University of TokyoBunkyo‐kuTokyoJapan
| | - Beata Dedicova
- International Center for Tropical Agriculture (CIAT)CaliColombia
| | - Takuya Ogata
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Kyouko Yoshiwara
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Kyonoshin Maruyama
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Miyako Kusano
- RIKEN Center for Sustainable Resource ScienceYokohamaKanagawaJapan
- RIKEN Center for Sustainable Resource ScienceTsukubaIbarakiJapan
- Graduate School of Life and Environmental SciencesUniversity of TsukubaTsukubaIbarakiJapan
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource ScienceYokohamaKanagawaJapan
- RIKEN Center for Sustainable Resource ScienceTsukubaIbarakiJapan
- Department of Molecular Biology and BiotechnologyGraduate School of Pharmaceutical SciencesChiba UniversityChibaJapan
| | - Fuminori Takahashi
- RIKEN Center for Sustainable Resource ScienceYokohamaKanagawaJapan
- RIKEN Center for Sustainable Resource ScienceTsukubaIbarakiJapan
| | - Kazuo Shinozaki
- RIKEN Center for Sustainable Resource ScienceYokohamaKanagawaJapan
- RIKEN Center for Sustainable Resource ScienceTsukubaIbarakiJapan
| | - Kazuo Nakashima
- Biological Resources and Post‐harvest DivisionJapan International Research Center for Agricultural Sciences (JIRCAS)TsukubaIbarakiJapan
| | - Manabu Ishitani
- International Center for Tropical Agriculture (CIAT)CaliColombia
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27
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Takahashi H, Tanabe S, Saito H, Ohta A, Nakano T, Sasamoto R, Utsunomiya S, Abe E, Tanaka K, Kushima N, Maruyama K, Shioi M, Kaidu M, Aoyama H. Decision Criteria for the Selection Between 3DCRT and VMAT in High-Grade Gliomas Based on the Normal Tissue Complication Probability of Normal Brain. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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28
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Kaidu M, Tanaka K, Nakano T, Maruyama K, Saito H, Shioi M, Utsunomiya S, Tanabe S, Takahashi H, Ohta A, Abe E, Sasamoto R, Aoyama H. Salvage High-Dose-Rate Brachytherapy for Locally Recurrent Prostatic Cancer after Radiation Therapy. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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29
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Toi S, Shirai Y, Ishizuka K, Mizuno S, Maruyama K, Kubota M, Kitagawa K. Seven day ECG monitor in patients with embolic stroke of undermined source (ESUS). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Tomooka K, Tanigawa T, Sakurai S, Maruyama K, Eguchi E, Nishioka S, Miyoshi N, Kakuto H, Shimizu G, Yamaoka D, Saito I. Scalloped tongue is associated with nocturnal intermittent hypoxia among community-dwelling Japanese: the Toon Health Study. J Oral Rehabil 2017; 44:602-609. [PMID: 28548303 DOI: 10.1111/joor.12526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2017] [Indexed: 11/29/2022]
Abstract
Scalloped tongue is considered as a possible clinical finding of obstructive sleep apnoea (OSA). There are few evidence of the association between scalloped tongue and OSA. To examine the association between scalloped tongue and nocturnal intermittent hypoxia (NIH), a surrogate marker of OSA, among a general Japanese population. Study participants were 398 men and 732 women aged 30-79 years who participated in the Toon Health Study from 2011 to 2014. Scalloped tongue was classified into three categories: none, mild and moderate-to-severe. Moderate-to-severe NIH was defined as the 3% oxygen desaturation index of ≥15 events/h during sleep for one night with pulse oximetry. The multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for moderate-to-severe NIH were calculated according to scalloped tongue categories using a logistic regression model. There were 69 (6·1%) moderate-to-severe NIH cases in this population. The multivariable-adjusted ORs (95% CIs) of moderate-to-severe NIH were 1·59 (0·85-2·95) for mild and 2·39 (1·10-5·17) for the moderate-to-severe scalloped tongue group compared with the group without scalloped tongues. When stratified by overweight status (BMI <25 or ≥25 kg m-2 ), the respective ORs (95% CIs) were 2·83 (1·06-7·55) and 4·74 (1·28-17·49) among overweight individuals, and 0·94 (0·40-2·70) and 1·52 (0·57-4·05) among non-overweight individuals. Scalloped tongue was associated with higher prevalence of moderate-to-severe NIH among the general Japanese population and this association was more evident in overweight individuals.
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Affiliation(s)
- K Tomooka
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - S Sakurai
- Department of Clinical Laboratory Science, Faculty of Health Care, Tenri Health Care University, Tenri, Japan
| | - K Maruyama
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - E Eguchi
- Department of Public Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - S Nishioka
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - N Miyoshi
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - H Kakuto
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - G Shimizu
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - D Yamaoka
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - I Saito
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine, Toon, Japan
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Wada H, Kimura M, Shirahama R, Hayashi T, Suzuki Y, Suzuki Y, Maruyama K, Ikeda A, Tanigawa T. 0501 ASSOCIATION BETWEEN SLEEP-RELATED SYMPTOMS AND RESPIRATORY DISTURBANCE INDEX AMONG COMMUNITY-DWELLING SCHOOL CHILDREN. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Igami K, Ikeda A, Maruyama K, Tomooka K, Saito I, Tanigawa T. 0088 RELATIONSHIPS BETWEEN SLEEP DISORDERED BREATHING AND CENTRAL AORTIC PRESSURE IN A COMMUNITY BASED POPULATION: THE TOON HELATH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Nishino E, Ikeda A, Maruyama K, Saito I, Tomooka K, Tanigawa T. 0089 NOCTURNAL INTERMITTENT HYPOXIA AND CAROTID-ARTERY ATHEROSCLEROSIS IN A GENERAL JAPANESE POPULATION: THE TOON HEALTH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Murakami A, Maruyama K, Tomooka K, Suzuki Y, Saito I, Tanigawa T. 1024 SLEEP DISORDERED BREATHING AND CHRONIC KIDNEY DISEASE AMONG MIDDLE-AGED AND ELDERLY JAPANESE POPULATION: TOON HEALTH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.1023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Maruyama K, Watanabe E, Saito K, Sato K, Yoshida H, Kume S, Noguchi A, Shiokawa Y, Nagane M. P04.17 Novel augmented reality-based neuronavigation using smart glasses and clinical application to brain tumor surgery. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.157] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Urano K, Maruyama K, Jikumaru Y, Kamiya Y, Yamaguchi-Shinozaki K, Shinozaki K. Analysis of plant hormone profiles in response to moderate dehydration stress. Plant J 2017; 90:17-36. [PMID: 27995695 DOI: 10.1111/tpj.13460] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 12/14/2016] [Accepted: 12/14/2016] [Indexed: 05/19/2023]
Abstract
Plant responses to dehydration stress are mediated by highly complex molecular systems involving hormone signaling and metabolism, particularly the major stress hormone abscisic acid (ABA) and ABA-dependent gene expression. To understand the roles of plant hormones and their interactions during dehydration, we analyzed the plant hormone profiles with respect to dehydration responses in Arabidopsis thaliana wild-type (WT) plants and ABA biosynthesis mutants (nced3-2). We developed a procedure for moderate dehydration stress, and then investigated temporal changes in the profiles of ABA, jasmonic acid isoleucine (JA-Ile), salicylic acid (SA), cytokinin (trans-zeatin, tZ), auxin (indole-acetic acid, IAA), and gibberellin (GA4 ), along with temporal changes in the expression of key genes involved in hormone biosynthesis. ABA levels increased in a bi-phasic pattern (at the early and late phases) in response to moderate dehydration stress. JA-Ile levels increased slightly in WT plants and strongly increased in nced3-2 mutant plants at 72 h after the onset of dehydration. The expression profiles of dehydration-inducible genes displayed temporal responses in an ABA-dependent manner. The early phase of ABA accumulation correlated with the expression of touch-inducible genes and was independent of factors involved in the major ABA regulatory pathway, including the ABA-responsive element-binding (AREB/ABF) transcription factor. JA-Ile, SA, and tZ were negatively regulated during the late dehydration response phase. Transcriptome analysis revealed important roles for hormone-related genes in metabolism and signaling during dehydration-induced plant responses.
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Affiliation(s)
- Kaoru Urano
- RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Kyonoshin Maruyama
- Japan International Research Center for Agricultural Sciences (JIRCAS), 1-1 Ohwashi, Tsukuba, Ibaraki, 305-8686, Japan
| | - Yusuke Jikumaru
- RIKEN Plant Science Center, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Yuji Kamiya
- RIKEN Center for Sustainable Resource Science (CSRS), 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | | | - Kazuo Shinozaki
- RIKEN Center for Sustainable Resource Science (CSRS), 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
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Kume S, Gomyo M, Kobayashi K, Saito K, Shimizu S, Suzuki K, Maruyama K, Tsuchiya K, Shiokawa Y, Nagane M. P04.13 Detection and quantitative analysis of oncometabolite 2-hydroxyglutarate by 1H-magnetic resonance spectroscopy and LCModel in gliomas. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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38
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Maruyama K, Ogata T, Kanamori N, Yoshiwara K, Goto S, Yamamoto YY, Tokoro Y, Noda C, Takaki Y, Urawa H, Iuchi S, Urano K, Yoshida T, Sakurai T, Kojima M, Sakakibara H, Shinozaki K, Yamaguchi-Shinozaki K. Design of an optimal promoter involved in the heat-induced transcriptional pathway in Arabidopsis, soybean, rice and maize. Plant J 2017; 89:671-680. [PMID: 27862521 DOI: 10.1111/tpj.13420] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 10/30/2016] [Accepted: 11/04/2016] [Indexed: 05/24/2023]
Abstract
Interactions between heat shock (HS) factors (HSFs) and heat shock response elements (HSEs) are important during the heat shock response (HSR) of flora and fauna. Moreover, plant HSFs that are involved in heat stress are also involved in abiotic stresses such as dehydration and cold as well as development, cell differentiation and proliferation. Because the specific combination of HSFs and HSEs involved in plants under heat stress remains unclear, the mechanism of their interaction has not yet been utilized in molecular breeding of plants for climate change. For the study reported herein, we compared the sequences of HS-inducible genes and their promoters in Arabidopsis, soybean, rice and maize and then designed an optimal HS-inducible promoter. Our analyses suggest that, for the four species, the abscisic acid-independent, HSE/HSF-dependent transcriptional pathway plays a major role in HS-inducible gene expression. We found that an 18-bp sequence that includes the HSE has an important role in the HSR, and that those sequences could be classified as representative of monocotyledons or dicotyledons. With the HS-inducible promoter designed based on our bioinformatic predictions, we were able to develop an optimal HS-specific inducible promoter for seedlings or single cells in roots. These findings demonstrate the utility of our HS-specific inducible promoter, which we expect will contribute to molecular breeding efforts and cell-targeted gene expression in specific plant tissues.
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Affiliation(s)
- Kyonoshin Maruyama
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, 305-8686, Japan
| | - Takuya Ogata
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, 305-8686, Japan
| | - Norihito Kanamori
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, 305-8686, Japan
| | - Kyouko Yoshiwara
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, 305-8686, Japan
| | - Shingo Goto
- Citrus Research Division, Institute of Fruit Tree and Tea Science, NARO, Shizuoka, Shizuoka Prefecture, 424-0292, Japan
| | - Yoshiharu Y Yamamoto
- Faculty of Applied Biological Sciences and United Graduate School of Agricultural Science, Gifu University, Gifu, Gifu Prefecture, 501-1103, Japan
| | - Yuko Tokoro
- Faculty of Education, Gifu Shotoku Gakuen University, Gifu, Gifu Prefecture, 501-6194, Japan
| | - Chihiro Noda
- Faculty of Education, Gifu Shotoku Gakuen University, Gifu, Gifu Prefecture, 501-6194, Japan
| | - Yuta Takaki
- Faculty of Education, Gifu Shotoku Gakuen University, Gifu, Gifu Prefecture, 501-6194, Japan
| | - Hiroko Urawa
- Faculty of Education, Gifu Shotoku Gakuen University, Gifu, Gifu Prefecture, 501-6194, Japan
| | - Satoshi Iuchi
- RIKEN Bioresource Center, Koyadai 3-1-1, Tsukuba, Ibaraki, 305-0074, Japan
| | - Kaoru Urano
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Takuhiro Yoshida
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Tetsuya Sakurai
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
- Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University, Nankoku, Kochi, 783-8502, Japan
| | - Mikiko Kojima
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Hitoshi Sakakibara
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Kazuo Shinozaki
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Kazuko Yamaguchi-Shinozaki
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
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Furukawa S, Sakai T, Niiya T, Miyaoka H, Miyake T, Yamamoto S, Maruyama K, Ueda T, Senba H, Todo Y, Torisu M, Minami H, Onji M, Tanigawa T, Matsuura B, Hiasa Y, Miyake Y. Diabetic peripheral neuropathy and prevalence of erectile dysfunction in Japanese patients aged <65 years with type 2 diabetes mellitus: The Dogo Study. Int J Impot Res 2016; 29:30-34. [PMID: 27784886 DOI: 10.1038/ijir.2016.40] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/13/2016] [Accepted: 10/03/2016] [Indexed: 12/22/2022]
Abstract
Only limited epidemiological evidence exists regarding the relationship between diabetic neuropathy and erectile dysfunction (ED) among Japanese patients with type 2 diabetes mellitus. To investigate the relationship between diabetic neuropathy and ED among Japanese patients with type 2 diabetes mellitus, a multicenter cross-sectional study was conducted in 287 male Japanese patients with type 2 diabetes mellitus, age (19-65 years). Diabetic neuropathy was diagnosed if the patients showed two or more of the following three characteristics: neuropathic symptoms, decreased or disappeared Achilles tendon reflex and/or abnormal vibration perception. ED, moderate to severe ED, and severe ED were defined as present when a subject had a Sexual Health Inventory for Men score <22, <12 and <8, respectively. The prevalence values of diabetic neuropathy and severe ED were 47.0 and 39.0%, respectively. Diabetic neuropathy was independently positively associated with severe ED, but not ED and moderate ED: the adjusted odds ratio was 1.90 (95% confidence interval: 1.08-3.38). No relationships were found between diabetic retinopathy or diabetic nephropathy and ED. Diabetic neuropathy is positively associated with severe erectile dysfunction among Japanese type 2 diabetes mellitus patients aged <65 years.
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Affiliation(s)
- S Furukawa
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Japan
| | - T Sakai
- Department of Internal Medicine, Yawatahama General City Hospital, Yawatahama, Japan
| | - T Niiya
- Department of Internal Medicine, Matsuyama Shimin Hospital, Otemachi, Matsuyama, Japan
| | - H Miyaoka
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - T Miyake
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - S Yamamoto
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - K Maruyama
- Department of Public Health, Juntendo University School of Medicine, Bunkyo, Tokyo, Japan
| | - T Ueda
- Department of Internal Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - H Senba
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Todo
- Department of Internal Medicine, Matsuyama Shimin Hospital, Otemachi, Matsuyama, Japan
| | - M Torisu
- Department of Internal Medicine, Saiseikai Saijo Hospital, Saijo, Japan
| | - H Minami
- Department of Internal Medicine, Ehime Niihama Hospital, Niihama, Japan
| | - M Onji
- Department of Internal Medicine, Saiseikai Imabari Hospital, Imabari, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University School of Medicine, Bunkyo, Tokyo, Japan
| | - B Matsuura
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Miyake
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Japan
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40
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Liu J, Sasamoto R, Kaidu M, Ayukawa F, Yamana N, Tanaka K, Kawaguchi G, Ohta A, Maruyama K, Abe E, Saitou H, Nakano T, Aoyama H. High-Dose-Rate Brachytherapy in Which 2 Fractions Were Administered Within a Single Day Combined With External Beam Radiation Therapy for Prostate Cancer: Four-year Experience and Outcomes. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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41
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Fujita K, Yamamura Y, Nomura Y, Shibutou N, Ueno A, Maruyama K, Ombe T, Hiramatsu M, Yamamura M. SAT0172 Comparison of Efficacy and Safety of Biologic Agents between Elderly-Onset and Younger-Onset Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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42
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Yaguchi A, Yonekubo S, Maruyama I, Tatemichi S, Maruyama K, Kobayashi M. Comparison of Phosphate Binding Capacities of PA21, A Novel Phosphate Binder, with those of other Phosphate Binders in vitro and in vivo. Drug Res (Stuttg) 2016; 66:262-9. [PMID: 26761712 DOI: 10.1055/s-0035-1569328] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE The phosphate binding capacity of PA21, a novel phosphate binder, was compared with those of other phosphate binders in vitro and in vivo. METHODS 1) For in vitro studies, PA21, sevelamer hydrochloride, lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate were incubated with a phosphate solution at 37°C for 2 h. Phosphate binding capacity was assessed at simulated gastrointestinal tract pH levels of 2, 5, and 8 for estimation of clinical effects, and the quantity of phosphate adsorbed by each phosphate binder was determined. 2) For in vivo studies, rats were orally administered various phosphate binders after the oral administration of phosphate solution (100 mg/kg) adjusted to pH 2, 5, or 8, and the effects of PA21 and other phosphate binders on the serum phosphorus level of the rats were investigated. RESULTS 1) The in vitro studies revealed that PA21 and sevelamer hydrochloride adsorbed phosphate better at all tested pH levels than lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate, and PA21 showed the most potent phosphate binding capacity among the tested compounds. 2) The in vivo studies showed that PA21 dose-dependently inhibited the increase in the serum phosphorus level after the administration of phosphate solution and no difference in the extent of inhibition by PA21 was observed at the different pH levels (in contrast to other phosphate binders). CONCLUSION These results indicated that PA21 has a phosphate binding capacity over the entire pH range of the GI tract.
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Affiliation(s)
- A Yaguchi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - S Yonekubo
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - I Maruyama
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - S Tatemichi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - K Maruyama
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - M Kobayashi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
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Nodera H, Takamatsu N, Matsui N, Mori A, Terasawa Y, Shimatani Y, Osaki Y, Maruyama K, Izumi Y, Kaji R. Intramuscular dissociation of echogenicity in the triceps surae characterizes sporadic inclusion body myositis. Eur J Neurol 2015; 23:588-96. [DOI: 10.1111/ene.12899] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 10/01/2015] [Indexed: 11/29/2022]
Affiliation(s)
- H. Nodera
- Department of Neurology Tokushima University TokushimaJapan
| | - N. Takamatsu
- Department of Neurology Tokushima University TokushimaJapan
- Vihara Hananosato Hospital MiyoshiJapan
| | - N. Matsui
- Department of Neurology Tokushima University TokushimaJapan
| | - A. Mori
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Terasawa
- Department of Neurology Tokushima University TokushimaJapan
- Department of Neurology Jikei University School of Medicine Tokyo Japan
| | - Y. Shimatani
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Osaki
- Department of Neurology Tokushima University TokushimaJapan
| | - K. Maruyama
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Izumi
- Department of Neurology Tokushima University TokushimaJapan
- Vihara Hananosato Hospital MiyoshiJapan
| | - R. Kaji
- Department of Neurology Tokushima University TokushimaJapan
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Takasaki H, Maruyama K, Takahashi F, Fujita M, Yoshida T, Nakashima K, Myouga F, Toyooka K, Yamaguchi-Shinozaki K, Shinozaki K. SNAC-As, stress-responsive NAC transcription factors, mediate ABA-inducible leaf senescence. Plant J 2015; 84:1114-23. [PMID: 26518251 DOI: 10.1111/tpj.13067] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 10/05/2015] [Accepted: 10/27/2015] [Indexed: 05/19/2023]
Abstract
Leaf senescence is the terminal phenotype of plant leaf development, and ethylene is a major plant hormone inducing leaf senescence. Recent studies have shown that abscisic acid (ABA) also induces leaf senescence. However, the detailed mechanisms of ABA-induced leaf senescence remain unclear. We focused on the A subfamily of stress-responsive NAC (SNAC-A) transcription factors, the expression of which is induced by abiotic stresses, particularly ABA. Gene expression analysis revealed that seven SNAC-A genes including ANAC055, ANAC019, ANAC072/RD26, ANAC002/ATAF1, ANAC081/ATAF2, ANAC102 and ANAC032 were induced by long-term treatment with ABA and/or during age-dependent senescence. The SNAC-A septuple mutant clearly showed retardation of ABA-inducible leaf senescence. Microarray analysis indicated that SNAC-As induce ABA- and senescence-inducible genes. In addition, comparison of the expression profiles of the downstream genes of SNAC-As and ABA-responsive element (ABRE)-binding protein (AREB)/ABRE-binding factor (ABF) (AREB/ABFs) indicates that SNAC-As induce a different set of ABA-inducible genes from those mediated by AREB/ABFs. These results suggest that SNAC-As play crucial roles in ABA-induced leaf senescence signaling. We also discuss the function of SNAC-As in the transcriptional change of leaf senescence as well as in ABA response under abiotic stress conditions.
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Affiliation(s)
- Hironori Takasaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Kyonoshin Maruyama
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Fuminori Takahashi
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Miki Fujita
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Takuya Yoshida
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Kazuo Nakashima
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki, 305-8686, Japan
| | - Fumiyoshi Myouga
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Kiminori Toyooka
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Kazuko Yamaguchi-Shinozaki
- Laboratory of Plant Molecular Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Kazuo Shinozaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
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Ohta A, Tanabe S, Utsunomiya S, Tanaka K, Sato H, Maruyama K, Kawaguchi G, Kaidu M, Sasamoto R, Aoyama H. Respiratory Gating Intermittent Radiation for Esophageal Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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Eguchi E, Saito I, Maruyama K, Sakurai S, Tanigawa T. Is the Association between Sleep Disordered Breathing and Night and Morning Blood Pressure Modified by Sleep Quality?: Toon Health Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv097.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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47
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Saito I, Maruyama K, Nishida W, Eguchi E, Kato T, Hitsumoto S, Kawamura R, Takata Y, Onuma H, Osawa H, Tanigawa T. Heart Rate Variability, Insulin Resistance and Insulin Sensitivity in Japanese Adults: The Toon Health Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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48
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Yamamura Y, Matuura I, Nomura Y, Fujita K, Momoki N, Ueno A, Maruyama K, Hiramatu M, Yamamura M. THU0572 Heterogeneity of IGG4-Related Disease in Terms of Organ Damage, Treatment Response and Prognosis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.6484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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49
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Fujita K, Shibuto N, Yamamura Y, Nomura Y, Momoki N, Ueno A, Nakao K, Maruyama K, Yamamura M. SAT0539 TAFRO Syndrome: A Unique Mimicker of Systemic Lupus Erythematosus. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.5875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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50
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Maruyama K, Dmochowski L, Romero JJ, Wagner SH, Swearingen GR. Studies of human cells infected by leukemia viruses. Bibl Haematol 2015; 39:852-70. [PMID: 4360197 DOI: 10.1159/000427914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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