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Significance of oxidative stress and antioxidant capacity tests as biomarkers of premature ovarian insufficiency: A case control study

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World Journal of Clinical Cases 2024年第3期12卷 479-487页

作者： Kaoru Kakinuma Toshiyuki Kakinuma Department of Obstetrics and Gynecology International University of Health and Welfare HospitalTochigi 329-2763Japan Graduate School of Medicine International University of Health and WelfareTokyo 107-8402Japan

BACKGROUND Premature ovarian insufficiency(POI)is a condition that causes secondary amenorrhea owing to ovarian hypofunction at an early *** follicular depletion results in intractable infertility,thereby considerably reducing the quality of life of *** the continuum in weakened ovarian function,progressing from incipient ovarian failure(IOF)to transitional ovarian failure and further to POI,it is necessary to develop biomarkers for predicting *** oxidative stress states in IOF and POI were comprehensively evaluated via oxidative stress[diacron-reactive oxygen metabolites(d-ROMs)]test and anti-oxidant capacity[biological antioxidant potential(BAP)].METHODS Females presenting with secondary amenorrhea over 4 mo and a follicle stimulating hormone level of>40 mIU/mL were categorized into the POI *** presenting with a normal menstrual cycle and a follicle stimulating hormone level of>10.2 mIU/mL were categorized into the IOF *** females without ovarian hypofunction were categorized into the control *** females aged<40 years who visited our hospital from January 2021 to June 2022,we recruited 11 patients into both POI and IOF *** the potential antioxidant capacity,the relative oxidative stress index(BAP/d-ROMs×100)was calculated,and the oxidative stress defense system was comprehensively *** d-ROMs were significantly higher in the POI and IOF groups than in the control group,(478.2±58.7 ***,434.5±60.6 ***,and 341.1±35.1 ***,respectively)(*** is equivalent to 0.08 mg/dL of hydrogen peroxide).However,no significant difference was found between the POI and IOF *** BAP,no significant difference was found between the control,IOF,and POI groups(2078.5±157.4μmol/L,2116.2±240.2μmol/L,and 2029.0±186.4μmol/L,respectively).The oxidative stress index was significantly higher in the POI and IOF groups than in the control group(23.7±3.3,20.7±3.6,and 16.5±2.1,respectively).However,no signifi

关键词： Premature ovarian insufficiency Oxidative stress Diacron-reactive oxygen metabolites test Biological antioxidant potential Infertility Biomarker

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Abnormal uterine bleeding successfully treated via ultrasoundguided microwave ablation of uterine myoma lesions: Three case reports

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World Journal of Clinical Cases 2024年第5期12卷 980-987页

作者： Toshiyuki Kakinuma Kaoru Kakinuma Rora Okamoto Kaoru Yanagida Michitaka Ohwada NobuhiroTakeshima Takeshima Department of Obstetrics and GynecologyInternational University of Health and Welfare HospitalTochigi 329-2763Japan

BACKGROUND Microwave endometrial ablation(MEA)is a minimally invasive treatment method for heavy menstrual ***,additional treatment is often required after recurrence of uterine myomas treated with ***,because this treatment ablates the endometrium,it is not indicated for patients planning to become *** overcome these issues,we devised a method for ultrasound-guided microwave ablation of uterine myoma feeder *** report three patients successfully treated for heavy menstrual bleeding,secondary to uterine myoma,using our novel *** SUMMARY All patients had a favorable postoperative course,were discharged within 4 h,and experienced no ***,no postoperative recurrence of heavy menstrual bleeding was *** method also reduced the myoma’s maximum *** This method does not ablate the endometrium,suggesting its potential appli-cation in patients planning to become pregnant.

关键词： Uterine myoma Microwave Heavy menstrual bleeding Dysmenorrhea Fertility preservation Case report

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Experimental study on boundary lubricity of superficial area of articular cartilage and synovial fluid

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Friction 2024年第5期12卷 981-996页

作者： Wenxiao LI Takehiro MORITA Yoshinori SAWAE Departure of Mechanical Engineering Kyushu UniversityFukuoka8190395Japan International Institute for Carton-Neutral Energy Research Kyushu UniversityFukuoka8190395Japan Advanced Research Center for Biomechanics Kyushu UniversityFukuoka8190395Japan

The boundary lubrication mechanism at the articulating surface of natural synovial joints has been the subject of much discussion in *** this study,to elucidate the lubricating function of the superficial area of articular cartilage and synovial fluid(SF),cartilage specimens were processed with four different treatments:gentle and severe washing with detergent,incubation in NaCl solution,and trypsin digestion to selectively remove certain constituents from the cartilage ***,the frictional characteristics were examined in phosphate-buffered saline(PBS)and SF against *** reciprocating sliding tests with a spherical glass probe and square articular cartilage specimens were performed at low contact loads in the mN range to extract the frictional behavior in the superficial area of the cartilage ***,the cartilage surface was observed to confirm the effects of treatments on the morphology of the cartilage surface using a fluorescence microscope and water-immersion *** coefficient of friction(COF)of the prepared cartilage specimens was varied from 0.05 to over 0.3 in ***,a certain group of cartilage specimens exhibited a low COF of less than 0.1 with limited *** the low COF group of specimens,all four treatments increased the COF in PBS to different extents,and fluorescence microscopy revealed that the integrity of the cartilage surface was deteriorated by *** means that the intact cartilage surface had lubricating constituents to maintain low friction,and the removal of such constituents resulted in the loss of the intrinsic boundary lubricity of the cartilage *** variation in the COF of the cartilage specimens was suppressed in SF because it had a clear boundary lubrication effect on the cartilage *** lubricating effect of SF could be confirmed even after degenerative treatment.

关键词： articular cartilage synovial fluid the uppermost superficial layer boundary lubrication

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Developing Skills in Intra-Workplace Rehabilitation Education: Paper III

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Open Journal of Therapy and Rehabilitation 2024年第1期12卷 70-100页

作者： Fukumi Hiragami Research Institute of health and welfare Kibi International University Takahashi Japan

Rehabilitation is a medical discipline which is needed wherever people have lost full functionality, and it is needed increasingly in noncommunicable diseases, such as neurological problems, but also, and perhaps more importantly, in middle- and high-income countries, where populations are growing more aged. The burden is borne by the health care systems, especially where family cannot take the full load of care. Rehabilitation is also a discipline which is carried out most effectively in multi- or interdisciplinary teams, which carry their own weight of learning and group tensions. They are also bound to consider best practice guidelines. Furthermore, there is also a wide gap between learning in college or university and practice in the ward which leads to a loss of confidence in newly trained medical and paramedical personnel such as doctors, nurses, physiatrists, occupational therapists and physiotherapists. There is a genuine need for expert rehabilitation specialists who can mediate within teams as well as between groups and patients and their families. This paper lays out the range of considerations such a rehabilitation therapist must have under their belt. A model is presented. There are also two sets of parameters when using the model in practice. The first is the levels at which it works: hospital, departmental and individual. Then there are the specific challenges. Curriculum practice guidelines work at the hospital and departmental and professional levels;teamwork with its intrinsic challenges is of paramount importance;finally, the individuals will learn how to represent their insights in writing, most specifically represented in full-blown case reports. If the levels and roles coordinate, rehabilitation medicine should develop favourably.

关键词： Rehabilitation Clinical Practice Teamwork Case Studies Writing up Case Reports

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Low skeletal muscle mass and high visceral adiposity are associated with recurrence of acute cholecystitis after conservative management:A propensity score-matched cohort study

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Hepatobiliary & Pancreatic Diseases International 2024年第1期23卷 64-70页

作者： Yudai Koya Michihiko Shibata Yuki Maruno Yoshitaka Sakamoto Shinji Oe Koichiro Miyagawa Yuichi Honma Masaru Harada Department of Gastroenterology Kyushu Rosai HospitalMoji Medical Center3-1 HigashiminatomachiMoji-kuKitakyushu 801-8502Japan Third Department of Internal Medicine School of MedicineUniversity of Occupational and Environmental HealthKitakyushu 807-8555Japan Department of Surgery Kyushu Rosai Hospital Moji Medical CenterKitakyushu 801-8502Japan

Background:Recurrent acute cholecystitis(RAC)can occur after non-surgical treatment for acute cholecystitis(AC),and can be more severe in comparison to the first episode of *** skeletal muscle mass or adiposity have various effects in several *** aimed to clarify the relationship between RAC and body ***:Patients with AC who were treated at our hospital between January 2011 and March 2022 were *** psoas muscle mass and adipose tissue area at the third lumbar level were measured using computed tomography at the first episode of *** areas were divided by height to obtain the psoas muscle mass index(PMI)and subcutaneous/visceral adipose tissue index(SATI/VATI).According to median VATI,SATI and PMI values by sex,patients were divided into the high and low PMI *** performed propensity score matching to eliminate the baseline differences between the high PMI and low PMI groups and analyzed the cumulative incidence and predictors of ***:The entire cohort was divided into the high PMI(n=81)and low PMI(n=80)*** the propensity score-matched cohort there were 57 patients in each *** Kaplan-Meier analysis,the low PMI group and the high VATI group had a significantly higher cumulative incidence of RAC than their counterparts(log-rank P=0.001 and 0.015,respectively).In a multivariate Cox regression analysis,the hazard ratios of low PMI and low VATI for RAC were 5.250(95%confidence interval 1.083-25.450,P=0.039)and 0.158(95%confidence interval:0.026-0.937,P=0.042),***:Low skeletal muscle mass and high visceral adiposity were independent risk factors for RAC.

关键词： Acute cholecystitis Low skeletal muscle mass Recurrent acute cholecystitis Sarcopenia Visceral adiposity

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How are multiple satellites seen from the ground? Relative apparent motion and formation stabilization

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Astrodynamics 2024年第1期8卷 121-134页

作者： Kenta Nakajima Yasuhiro Yoshimura Hongru Chen Toshiya Hanada Department of Aeronautics and Astronautics Kyushu University744 Motooka Nishi-kuFukuoka819-0395Japan

This paper answers how multiple satellites are seen from the ground. This question is inspired by space-advertising, a public exhibition in the night sky using a dot matrix of satellites that are bright enough to be seen by the naked eye. Thus, it is important for space advertisement that the specific dot matrix is seen. Moreover, the stability of the dot matrix during a visible span is very valuable. To stabilize the dot matrix, this study formulates an apparent position of a dot from a representative dot seen from the ground. The formulation, linear functions of a set of relative orbital elements, reveals the appearance of the dot matrix. The proposed relative variable in the formulation drives the instability of the dot matrix, thereby revealing an initial stable configuration of deputies from a chief. The arbitrary dot matrix designed using the configuration is stable even at low elevations without orbital control during the visible span.

关键词： formation flying relative motion stabilization astrodynamics multi-apparent motions space advertisement

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Epigenetic memory of drug exposure history controls neural stem cell quiescence in the adult brain

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Neural Regeneration Research 2024年第4期19卷 711-712页

作者： Masakazu Iwamoto Taito Matsuda Department of Stem Cell Biology and Medicine Graduate School of Medical SciencesKyushu UniversityFukuokaJapan

Neural stem cells(NSCs)are the source of all neurons and glial cells(astrocytes and oligodendrocytes)in the central nervous *** adult mammalian brain retains NSCs in the subgranular zone of the dentate gyrus in the hippocampus and ventricular subventricular zone lining the lateral ventricle(Olpe and Jessberger,2022).Adult NSCs in rodents are preserved throughout life and continuously produce new neurons that integrate into the pre-existing neuronal network.

关键词： neural integrate continuously

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Mogroside IIE,an in vivo metabolite of sweet agent,alleviates acute lung injury via Pla2g2a-EGFR inhibition

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Food Science and Human Wellness 2024年第1期13卷 299-312页

作者： Weichao Lü Guoqing Ren Kuniyoshi Shimizu Renshi Li Chaofeng Zhang State Key Laboratory of Natural Medicines School of Traditional Chinese PharmacyChina Pharmaceutical UniversityNanjing 211198China Sino-Jan Joint Lab of Natural health Products Research School of Traditional Chinese PharmacyChina Pharmaceutical UniversityNanjing 211198China Faculty of Agriculture Kyushu UniversityFukuoka 819-0395Japan

In the face of increasingly serious environmental pollution,the health of human lung tissues is also facing serious *** IIE(M2E)is the main metabolite of sweetening agents mogrosides from the anti-tussive Chinese herbal Siraitia *** study elucidated the anti-inflammatory action and molecular mechanism of M2E against acute lung injury(ALI).A lipopolysaccharide(LPS)-induced ALI model was established in mice and MH-S cells were employed to explore the protective mechanism of M2E through the western blotting,co-immunoprecipitation,and quantitative real time-PCR *** results indicated that M2E alleviated LPS-induced lung injury through restraining the activation of secreted phospholipase A2 type IIA(Pla2g2a)-epidermal growth factor receptor(EGFR).The interaction of Pla2g2a and EGFR was identified by *** addition,M2E protected ALI induced with LPS against inflammatory and damage which were significantly dependent upon the downregulation of AKT and m TOR via the inhibition of ***2g2a may represent a potential target for M2E in the improvement of LPS-induced lung injury,which may represent a promising strategy to treat ALI.

关键词： Mogroside IIE Acute lung injury Secreted phospholipase A2 type IIA(Pla2g2a) Epidermal growth factor receptor(EGFR)

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Assessing mixing uniformity in microreactors via in-line spectroscopy

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Chinese Journal of Chemical Engineering 2024年第2期66卷 119-124页

作者： Shusaku Asano Shinji Kudo Taisuke Maki Yosuke Muranaka Kazuhiro Mae Jun-ichiro Hayashi Institute for Materials Chemistry and Engineering Kyushu UniversityKasuga 816-8580Japan Department of Chemical Engineering Graduate School of EngineeringKyoto UniversityJapan

Mixing behavior is critical for enhancing the selectivity of fast chemical reactions in microreactors.A high Reynolds number(Re)improves the mixing rate and selectivity of the reactions,but some exceptions of increasing side product yield with the higher Re have been *** study investigated the mixing uniformity in microreactors with in-line UV-vis spectroscopy to clarify the relationship between reaction selectivity and chaotic mixing with the higher Re.A colorization experiment of thymolphthalein in an acidic solution was conducted with an excess acid amount to the base to indicate a non-uniformly mixed ***-uniformity significantly increased with *** the same time,the degree of mixing,which was measured by a usual decolorization experiment,showed that the mixing rate increased with *** in-line analysis of the Villermaux-Dushman reaction during the mixing clarified that side product yield significantly increased with Re at around 300 and then decreased at around *** results suggest the compensation effect between the mixing uniformity and mixing rate on the selectivity of the mixing-sensitive *** mixing,characterized by a larger Re,can disturb mixing uniformity and,in some cases,decrease reaction selectivity.

关键词： Microreactor Villermaux-Dushman reaction In-line analysis Mixing Mass transfer Uniformity

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Topic highlight on texture and color enhancement imaging in gastrointestinal diseases

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World Journal of Gastroenterology 2024年第14期30卷 1934-1940页

作者： Osamu Toyoshima Toshihiro Nishizawa Keisuke Hata Department of Gastroenterology Toyoshima Endoscopy ClinicTokyo 157-0066Japan Department of Gastroenterology and Hepatology International University of Health and WelfareNarita HospitalNarita 286-8520Japan Department of Gastroenterology Nihonbashi Muromachi Mitsui Tower Midtown ClinicTokyo 103-0022Japan

Olympus Corporation developed texture and color enhancement imaging(TXI)as a novel image-enhancing endoscopic *** topic highlights a series of hot-topic articles that investigated the efficacy of TXI for gastrointestinal disease identification in the clinical setting.A randomized controlled trial demonstrated improvements in the colorectal adenoma detection rate(ADR)and the mean number of adenomas per procedure(MAP)of TXI compared with those of white-light imaging(WLI)observation(58.7%vs 42.7%,adjusted relative risk 1.35,95%CI:1.17-1.56;1.36 vs 0.89,adjusted incident risk ratio 1.48,95%CI:1.22-1.80,respectively).A cross-over study also showed that the colorectal MAP and ADR in TXI were higher than those in WLI(1.5 vs 1.0,adjusted odds ratio 1.4,95%CI:1.2-1.6;58.2%vs 46.8%,1.5,1.0-2.3,respectively).A randomized controlled trial demonstrated non-inferiority of TXI to narrow-band imaging in the colorectal mean number of adenomas and sessile serrated lesions per procedure(0.29 vs 0.30,difference for non-inferiority-0.01,95%CI:-0.10 to 0.08).A cohort study found that scoring for ulcerative colitis severity using TXI could predict relapse of ulcerative colitis.A cross-sectional study found that TXI improved the gastric cancer detection rate compared to WLI(0.71%vs 0.29%).A cross-sectional study revealed that the sensitivity and accuracy for active Helicobacter pylori gastritis in TXI were higher than those of WLI(69.2%vs 52.5%and 85.3%vs 78.7%,res-pectively).In conclusion,TXI can improve gastrointestinal lesion detection and qualitative ***,further studies on the efficacy of TXI in clinical practice are required.

关键词： Endoscopy Texture and color enhancement imaging White-light imaging Narrow-band imaging Colorectal neoplasm Gastric cancer Adenoma Ulcerative colitis Helicobacter infections Colonoscopy

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