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Regulation of RNase E during the UV stress response in the cyanobacterium Synechocystis *** 6803

mLife 2023年第1期2卷 43-57页

作者： Satoru Watanabe Damir Stazic Jens Georg Shota Ohtake Yutaka Sakamaki Megumi Numakura Munehiko Asayama taku Chibazakura Annegret Wilde Claudia Steglich Wolfgang R.Hess Faculty of Biology Genetics and Experimental BioinformaticsUniversity of FreiburgFreiburgGermany Department of Bioscience Tokyo University of AgricultureSetagayakuTokyoJapan School of Agriculture Molecular GeneticsIbaraki UniversityIbarakiJapan Faculty of Biology Molecular GeneticsUniversity of FreiburgFreiburgGermany Nexxiot Prime Tower(Hardstrasse 201)ZurichSwitzerland.

Endoribonucleases govern the maturation and degradation of RNA and are indispensable in the posttranscriptional regulation of gene expression.A key endoribonuclease in Gram-negative bacteria is RNase *** ensure an appropriate supply of RNase E,some bacteria,such as Escherichia coli,feedback-regulate RNase E expression via the rne 5′-untranslated region(5′UTR)in ***,the mechanisms involved in the control of RNase E in other bacteria largely remain *** rely on solar light as an energy source for photosynthesis,despite the inherent ultraviolet(UV)*** this study,we first investigated globally the changes in gene expression in the cyanobacterium Synechocystis *** ^(6)803 after a brief exposure to *** the 407 responding genes 2 h after UV exposure was a prominent upregulation of rne mRNA ***,the enzymatic activity of RNase E rapidly increased as well,although the protein stability *** unique response was underpinned by the increased accumulation of full-length rne mRNA caused by the stabilization of its 5′UTR and suppression of premature transcriptional termination,but not by an increased transcription *** of RNA 3′ends and in vitro cleavage assays revealed that RNase E cleaves within a stretch of six consecutive uridine residues within the rne 5′UTR,indicating *** observations suggest that RNase E in cyanobacteria contributes to reshaping the transcriptome during the UV stress response and that its required activity level is secured at the RNA level despite the enhanced turnover of the protein.

关键词： cyanobacteria protein turnover ribonuclease stress response

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Laparoscopic appendectomy for acute appendicitis: How to discourage surgeons using inadequate therapy

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World Journal of Gastroenterology 2017年第32期23卷 5849-5859页

作者： tomohide hori takafumi machimoto yoshio kadokawa toshiyuki hata tatsuo ito shigeru kato daiki yasukawa yuki aisu yusuke kimura maho sasaki yuichi takamatsu taku kitano shigeo hisamori tsunehiro yoshimura department of gastrointestinal surgery tenriyorodusoudanjyo hospital

Acute appendicitis(AA) develops in a progressive and irreversible manner, even if the clinical course of AA can be temporarily modified by intentional medications. Reliable and real-time diagnosis of AA can be made based on findings of the white blood cell count and enhanced computed tomography. Emergent laparoscopic appendectomy(LA) is considered as the first therapeutic choice for AA. Interval/delayed appendectomy at 6-12 wk after disease onset is considered as unsafe with a high recurrent rate during the waiting time. However, this technique may have some advantages for avoiding unnecessary extended resection in patients with an appendiceal mass. Nonoperative management of AA may be tolerated only in children. Postoperative complications increase according to the patient's factors, and temporal avoidance of emergent general anesthesia may be beneficial for high-risk patients. The surgeon's skill and cooperation of the hospital are important for successful LA. Delaying appendectomy for less than 24 h from diagnosis is safe. Additionally, a semi-elective manner(i.e., LA within 24 h after onset of symptoms) may be paradoxically acceptable, according to the factors of the patient, physician, and institution. Prompt LA is mandatory for AA. Fortunately, the Japanese government uses a universal health insurance system, which covers LA.

关键词： Laparoscopic appendectomy Acute appendicitis Interval appendectomy Surgery Delayed appendectomy

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Stability of cirrhotic systemic hemodynamics ensures sufficient splanchnic blood flow after living-donor liver transplantation in adult recipients with liver cirrhosis

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World Journal of Gastroenterology 2007年第44期13卷 5918-5925页

作者： Tomohide Hori Shintaro Yagi taku Iida Kentaro Taniguchi Kentaro Yamagiwa Chiduru Yamamoto Takashi Hasegawa Koichiro Yamakado takuma Kato Kanako Saito Linan Wang Mie Torii Yukinobu Hori Kan Takeda Kazuo Maruyama Shinji Uemoto Departments of Hepatobiliary Pancreatic Surgery Mie University Hospital 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Cellular and Molecular Immunology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Hepatobiliary Pancreatic and Transplant Surgery Kyoto University Hospital 54 Kawahara-cho Shogoin Sakyo-ku Kyoto 606-8507 Japan Department of Anesthesiology and Critical Care Medicine Mie University Hospital 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Radiology Mie University Hospital 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Medical Oncology and Immunology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Nagoya Economic University Graduate School of Law 61-1 Uchikubo Inuyama City Aichi Prefecture 484-8504 Japan

AIM： To investigate the correlation between systemic hemodynamics and splanchnic circulation in recipients with cirrhosis undergoing living-donor liver transplantation （LDLT）, and to clarify how systemic hemodynamics impact on local graft circulation after LDLT.METHODS： Systemic hemodynamics, indocyanine green （ICG） elimination rate （K,cG） and splanchnic circulation were simultaneously and non-invasively investigated by pulse dye densitometry （PDD） and ultrasound. Accurate estimators of optimal systemic hyperdynamics after LDLT [i.e., balance of cardiac output （CO） to blood volume （BV） and mean transit time （MTT）, defined as the time required for half the administered ICG to pass through an attached PDD sensor in the first circulation] were also measured. Thirty recipients with cirrhosis were divided into two groups based on clinical outcomes corresponding to postoperative graft function.RESULTS： Cirrhotic systemic hyperdynamics characterized by high CO, expanded BV and low total peripheral resistance （TPR） were observed before LDLT. TPR reflecting cirrhotic vascular alterations was slowly restored after LDLT in both groups. Although no significant temporal differences in TPR were detected between the two groups, CO/BV and M＇IT differed significantly. Recipients with good outcomes showed persistent cirrhotic systemic hyperdynamics after LDLT, whereas recipients with poor outcomes presented with unstable cirrhotic systemic hyperdynamics and severely decreased KICG. Systemic hyperdynamic disorders after LDLT impacted on portal venous flow but not hepatic arterial flow.CONCLUSION： We conclude that subtle systemic hyperdynamics disorders impact on splanchnic circulation, and that an imbalance between CO and BV decreases portal venous flow, which results in critical outcomes.

关键词： Cirrhosis Hyperdynamic Portal hypertension Splanchnic Indocyanine green

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试论鲁迅对“转向”的看法——以日本友人访谈录中的相关记载为主

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文学评论 2019年第2期 69-78页

作者：仓重拓清华大学中文系

"转向"是日本无产阶级革命运动末期出现的思想现象。鲁迅对日本无产阶级文学运动的"转向"情况相当关注,而且在与日本友人谈话中也常用"转向"一词来描述中国无产阶级文学运动的脱离者,同时对中日两国无产阶级文学运动之间的差异也有深刻... 详细信息

"转向"是日本无产阶级革命运动末期出现的思想现象。鲁迅对日本无产阶级文学运动的"转向"情况相当关注,而且在与日本友人谈话中也常用"转向"一词来描述中国无产阶级文学运动的脱离者,同时对中日两国无产阶级文学运动之间的差异也有深刻的理解。可以说,在东亚无产阶级文学运动的范畴中讨论"转向"问题时,不可忽视的是一直关注该问题的"鲁迅之眼"。鲁迅的日本友人于1936年先后发表的两篇访谈录,即原胜《紧邻鲁迅先生》与鹿地亘《跟鲁迅谈话》涉及鲁迅对"转向"问题的基本看法,它们与同时代的相关文献进行对比分析,可探讨鲁迅对"转向"问题看法的独特性。

关键词：鲁迅转向日本左翼文学鹿地亘

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Experimental and Modeling Investigation of Shallow Water Table Fluctuations in Relation to Reverse Wieringermeer Effect

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Open Journal of Soil Science 2011年第2期1卷 17-24页

作者： Ibrahimi Mohamed Khaled Miyazaki Tsuyoshi Nishikawa Kohei Nishimura taku Imoto Hiromi 不详

Soil column experiments and modeling investigations were performed to study the behavior of shallow water table in response to various recharge events. Hence, shallow water table fluctuations inside sandy (Toyoura sand) and clayey (Chiba light clay) soil columns in response to surface and sub-surface recharge events were investigated under laboratory conditions. Experimental results showed that small application of water could raise the shallow water table level more than 100 times in depth in the case of Toyoura sand and more than 50 times in the case of Chiba LiC, reflecting a reverse Wieringermeer effect (RWE) response type of groundwater. This rise was associated with a prompt change of pressure head values which exhibited instantaneous fluctuations of centimeters due to the addition of millimeters of water. The recharge volumes leading to such disproportionate water table rise were successfully estimated using a simple analytical model based on the moisture retention curve of the soil and considering the hysteresis effect on soil water dynamics within the capillary fringe zone.

关键词： Groundwater Fluctuation Shallow Water Table Reverse Wieringermeer Effect Capillary Fringe

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Early and Late Postoperative Pain and Side Effects after Mastectomy: A Comparison of Ketamine and Thiamylal Administered for Anesthetic Induction

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Open Journal of Anesthesiology 2013年第3期3卷 189-192页

作者： Tadasuke Use Tetsuya Sakai Hiroko Shimamoto taku Fukano Koji Sumikawa Department of Anesthesiology Sasebo Kyosai Hospital Nagasaki Japan 2Department of Anesthesiology Nagasaki University School of Medicine Nagasaki Japan.

Objective: To compare acute and long-term postoperative pain and side effects in patients undergoing mastectomy for breast cancer under general anesthesia induced with ketamine or thiamylal. Methods: Twenty four ASA physical status I-III patients undergoing mastectomy were randomly assigned to one of two groups. Ketamine group received intravenous ketamine, 1 mg/kg, and thiamylal group received intravenous thiamylal, 4 mg/kg, at the induction of general anesthesia. Anesthesia was maintained with sevoflurane, N2O and fentanyl. The intensity of pain was assessed by using visual analog scale (VAS) 3 and 16 hr and 2, 3 and 4 weeks after surgery. Postoperative side effects, including nausea, vomiting and hallucination were also recorded. Results: At 16 hr after surgery, VAS in ketamine group was significantly lower than that in thiamylal group. However, there were no statistically significant differences between the two groups in the VAS at 3 hr and 2, 3 and 4 weeks after surgery. There were no differences in the incidence of side effects such as nausea, vomiting and hallucination between the two groups. Conclusion: Intravenous ketamine at the induction of anesthesia could reduce acute postoperative pain but not long-term pain after mastectomy.

关键词： Preventive Analgesia Ketamine Mastectomy Postoperative Pain Anesthetic Induction

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A sandwich ELISA kit reveals marked elevation of titin N-terminal fragment levels in the urine of mdx mice

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Animal Models and Experimental Medicine 2022年第1期5卷 48-55页

作者： taku Shirakawa Ayumu Ikushima Nobuhiro Maruyama Yoshinori Nambu Hiroyuki Awano Kayo Osawa Kei Nirasawa Yoichi Negishi Hisahide Nishio Shoji Fukushima Masafumi Matsuo Research Center for Locomotion Biology Kobe Gakuin UniversityKobeJapan KNC Department of Nucleic Acid Drug Discovery Faculty of RehabilitationKobe Gakuin UniversityKobeJapan Department of Pharmaceutics Faculty of Pharmaceutical SciencesKobe Gakuin UniversityKobeJapan Diagnostic&Research Reagents Division Immuno-Biological Laboratories Co.LtdFujiokaJapan Department of Pediatrics Kobe University Graduate School of MedicineKobeJapan Department of Medical Technology Faculty of Health SciencesKobe Tokiwa UniversityKobeJapan Department of Drug Delivery and Molecular Biopharmaceutics School of PharmacyTokyo University of Pharmacy and Life SciencesTokyoJapan

The mdx mouse is a model of Duchenne muscular dystrophy(DMD),a fatal progressive muscle wasting disease caused by dystrophin deficiency,and is used most widely in preclinical *** with dystrophin deficiency,however,show milder muscle strength phenotypes than *** human,the introduction of a sandwich enzyme-linked immunosorbent assay(ELISA)kit revealed a more than 700-fold increase in titin N-terminal fragment levels in the urine of pediatric patients with ***,the urinary titin level declines with aging,reflecting progression of muscle *** mouse,development of a highly sensitive ELISA kit has been ***,a sandwich ELISA kit to measure titin N-terminal fragment levels in mouse urine was *** developed kit showed good linearity,recovery,and repeatability in measuring recombinant or natural mouse titin N-terminal fragment *** titin N-terminal fragment concentration in the urine of mdx mice was more than 500-fold higher than that of normal *** titin was further analyzed by extending the collection of urine samples to both young(3-11 weeks old)and aged(56-58 weeks old)mdx *** concentration in the young group was significantly higher than that in the aged *** was concluded that muscle protein breakdown is active and persistent in mdx mice even though the muscle phenotype is *** results provide an opportunity to develop DMD treatments that aim to alleviate muscle protein breakdown by monitoring urinary titin levels.

关键词： biomarker Duchenne muscular dystrophy ELISA mdx mouse titin urine

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Analysis of Pesticide Residues in Some Market Garden Crops in Santa, North West Cameroon

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Journal of Environmental Protection 2022年第5期13卷 331-343页

作者： taku Sylvie Nteping Mofor Nelson Alakeh Njoyim Estella Buleng Tamungang Tita Margaret Awah Department of Chemistry Faculty of Science The University of Bamenda Bambili Cameroon Department of Civil Engineering and Architecture National Higher Polytechnic Institute (NAHPI) The University of Bamenda Bambili Cameroon Department of Biological Science Faculty of Science The University of Bamenda Bambili Cameroon

The increased use of pesticides in crop production, especially in Santa, has left consumers with great fear and uncertainty regarding the fate of residues after consumption in the human body. This study was aimed at performing a multi-residue analysis of crop samples to detect and quantify pesticide residues present, and thus determine their level of contamination. Twelve (12) crop samples (4 samples each of Solanum tuberosum (Irish potato), Solanum lycopersicum (tomato), Capsicum annum (sweet pepper) and Apium graveolens (celery)), were randomly collected from four villages in Santa. The samples were analyzed using the QuEChERS Buffered AOAC 2007.01 method. The results showed the presence of pesticide residues in 58.3% of the samples. Cypermethrin and chlorpyrifos insecticides were detected, though cypermethrin was found in traces. After quantification, the concentration of chlorpyrifos was determined to be far above the CODEX Maximum Residue Limits (MRLs) in 28.6% of the samples. Samples with this high concentration of chlorpyrifos were: tomato from Pinyin and Baligham (2.0 and 1.8 μg/g respectively), whereas the Codex MRLs for tomato is 1.0 μg/g. This study raised concerns on the contamination of some garden crops by pesticide residues and calls for the assessment of the health situation of consumers and the analysis of pesticide residues in drinking water resources in this area.

关键词： Pesticide Residue Market Garden Crops Contamination Santa

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Carcinoembryonic antigen-producing adrenal adenoma resected using combined lateral and anterior transperitoneal laparoscopic surgery

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World Journal of Gastroenterology 2007年第45期13卷 6094-6097页

作者： Tomohide Hori Kentaro Taniguchi Masashi Kurata Kenji Nakamura Kenji Kato Yoshifumi Ogura Makoto Iwasaki Shinya Okamoto Koichiro Yamakado Shintaro Yagi taku Iida takuma Kato Kanako Saito Linan Wang Yoshifumi Kawarada Shinji Uemoto Department of Hepatobiliary Pancreatic Surgery Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Surgery Matsusaka City Hospital 1550 Tono-machi Matsusaka City Mie Prefecture 515-8544 Japan Department of Anesthesiology Matsusaka City Hospital 1550 Tono-machi Matsusaka City Mie Prefecture 515-8544 Japan Department of Surgery Iwasaki Hospital 333 Isshinden-cho Tsu City Mie Prefecture 514-0114 Japan Department of Cardiology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Radiology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Hepatobiliary Pancreatic and Transplant Surgery Kyoto University Graduate School of Medicine 54 Kawahara-cho Shogoin Sakyo-ku Kyoto 606-8507 Japan Department of Cellular and Molecular Immunology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan Department of Medical Oncology and Immunology Mie University Graduate School of Medicine 2-174 Edobashi Tsu City Mie Prefecture 514-8507 Japan

A 74-year-old woman presented with symptoms consistent with hyperadrenocorticism and hyperca- techolaminism. She had a cushingoid appearance and her cortisol level was elevated. Her serum dopamine and noradrenalin levels were also elevated. Computed tomography detected a left adrenal mass measuring 3.5 cm x 3.0 cm in diameter. Metaiodobenzylguanidine scintigraphy was negative. Unexpectedly, the serum Serum carcinoembryonic antigen （CEA） level waselevated. Fluorodeoxyglucose positron emission tomography showed increased uptake in the adrenal tumor only, with a maximum standardized uptake value of 2.8. Selective venography and blood sampling revealed that the concentrations of cortisol, catecholamines and CEA were significantly elevated in the vein draining the tumor. A diagnosis of CEA-producing benign adenoma was made. After preoperative management, we performed a combined lateral and anterior transpedtoneal laparoscopic adrenectomy. Her vital signs remained stable during surgery. Histopathological examination revealed a benign adenoma. Her cortisol, catecholamine and CEA levels normalized immediately after surgery. We present, to the best of our knowledge, the first case of CEA-producing adrenal adenoma, along with a review of the relevant literature, and discuss our laparoscopic surgery techniques.

关键词： Carcinoembryonic antigen Laparoscopy Adenoma Adrenal gland Cushing syndrome

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SOC Turnover and Lime-CO<sub>2</sub>Evolution during Liming of an Acid Andisol and Ultisol

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Open Journal of Soil Science 2011年第2期1卷 49-53页

作者： Wilfredo A. Dumale Jr. Tsuyoshi Miyazaki Kenta Hirai taku Nishimura Department of Plant Science Nueva Vizcaya State University Bayombong Nueva Vizcaya Philippines Department of Biological and Environmental Engineering University of Tokyo Tokyo Japan.

Agricultural liming contributes significantly to atmospheric CO2 emission from soils but data on magnitude of lime- contributed CO2 in a wide range of acid soils are still few. Data on lime-contributed CO2 and SOC turnover for global acid soils are needed to estimate the potential contribution of agricultural liming to atmospheric CO2. Using Ca13CO3 (13C 99%) as lime and tracer, here we separated lime-contributed and SOC-originated CO2 evolution in an acidic Kuroboku Andisol from Tanashi, Tokyo Prefecture (35°44′ N, 139°32′ E) and Kunigami Mahji Ultisol of Nakijin, Okinawa Prefecture, Japan (26°38′ N, 127°58′ E). On the average, lime-CO2 was 76.84% (Kuroboku Andisol) and 66.36% (Kunigami Mahji Ultisol) of overall CO2 emission after 36 days. There was increased SOC turnover in all limed soils, confirming priming effect (PE) of liming. The calculated PE of lime (Kuroboku Andisol, 51.97% - 114.95%;Kunigami Mahji Ultisol, 10.13% - 35.61%) was entirely 12C turnover of stable soil organic carbon (SOC) since SMBC, a labile SOC pool, was suppressed by liming in our experiment. Our results confirmed that mineralization of lime-carbonates is the major source of CO2 emission from acid soils during agricultural liming. Liming can influence the size of CO2 evolution from agricultural ecosystems considering global extent of acid soils and current volume of lime utilization. We propose the inclusion of liming in simulating carbon dynamics in agricultural ecosystems.

关键词： Agricultural Liming Soil Organic Carbon SOC Turnover Andisol Ultisol

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