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Elevated brain temperature under severe heat exposure impairs cortical motor activity and executive function

Journal of Sport and Health Science 2024年第2期13卷 233-244页

作者： Xiang Ren Tan Mary C.Stephenson Sharifah Badriyah Alhadad Kelvin W.Z.Loh Tuck Wah Soong jason K.W.Lee Ivan C.C.Low Health and Social Sciences Singapore Institute of TechnologySingapore 138683Singapore Human Potential Translational Research Programme Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117597Singapore Centre for Translational Magnetic Resonance Research Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117549Singapore Department of Physiology Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117593Singapore Heat Resilience and Performance Centre Yong Loo Lin School of MedicineNational University of SingaporeSingapore 117510Singapore N.1 Institute for Health National University of SingaporeSingapore 117456Singapore Campus for Research Excellence and Technological Enterprise(CREATE) Singapore 138602Singapore

Background:Excessive heat exposure can lead to hyperthermia in humans,which impairs physical performance and disrupts cognitive *** heat is a known physiological stressor,it is unclear how severe heat stress affects brain physiology and ***:Eleven healthy participants were subjected to heat stress from prolonged exercise or warm water immersion until their rectal temperatures(T_(re))attained 39.5℃,inducing exertional or passive hyperthermia,*** a separate trial,blended ice was ingested before and during exercise as a cooling *** were compared to a control condition with seated rest(normothermic).Brain temperature(T_(br)),cerebral perfusion,and task-based brain activity were assessed using magnetic resonance imaging ***:T_(br)in motor cortex was found to be tightly regulated at rest(37.3℃±0.4℃(mean±SD))despite fluctuations in T_(re).With the development of hyperthermia,T_(br)increases and dovetails with the rising T_(re).Bilateral motor cortical activity was suppressed during high-intensity plantarflexion tasks,implying a reduced central motor drive in hyperthermic participants(T_(re)=38.5℃±0.1℃).Global gray matter perfusion and regional perfusion in sensorimotor cortex were reduced with passive *** function was poorer under a passive hyperthermic state,and this could relate to compromised visual processing as indicated by the reduced activation of left lateral-occipital ***,ingestion of blended ice before and during exercise alleviated the rise in both T_(re)and T_(bc)and mitigated heat-related neural ***:Severe heat exposure elevates T_(br),disrupts motor cortical activity and executive function,and this can lead to impairment of physical and cognitive performance.

关键词： Brain functional activity Cognition Heat stress Hyperthermia Motor function

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Machine Learning Analysis of Impact of Western US Fires on Central US Hailstorms

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Advances in Atmospheric Sciences 2024年第7期41卷 1450-1462页

作者： Xinming LIN Jiwen FAN Yuwei ZHANG Zjason HOU Pacific Northwest National Laboratory RichlandWA 99354USA Argonne National Laboratory LemontIL 60439USA

Fires,including wildfires,harm air quality and essential public services like transportation,communication,and *** fires can also influence atmospheric conditions,including temperature and aerosols,potentially affecting severe convective ***,we investigate the remote impacts of fires in the western United States(WUS)on the occurrence of large hail(size:≥2.54 cm)in the central US(CUS)over the 20-year period of 2001–20 using the machine learning(ML),Random Forest(RF),and Extreme Gradient Boosting(XGB)*** developed RF and XGB models demonstrate high accuracy(>90%)and F1 scores of up to 0.78 in predicting large hail occurrences when WUS fires and CUS hailstorms coincide,particularly in four states(Wyoming,South Dakota,Nebraska,and Kansas).The key contributing variables identified from both ML models include the meteorological variables in the fire region(temperature and moisture),the westerly wind over the plume transport path,and the fire features(i.e.,the maximum fire power and burned area).The results confirm a linkage between WUS fires and severe weather in the CUS,corroborating the findings of our previous modeling study conducted on case simulations with a detailed physics model.

关键词： wildfire severe convective storm hailstorm machine learning

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从流行病学角度谈食管裂孔疝的发生与发展

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中国实用外科杂志 2024年第4期44卷 407-411页

作者：曾毅虹 jason Widjaja 杨建军顾岩复旦大学附属华东医院普外科上海200040

食管裂孔疝(HH)患病率在不同的地区以及种族间存在明显差异,总体上,欧美国家HH患病率显著高于包括中国在内的多数亚洲国家。高龄、超重或肥胖、胃酸反流、胃食管手术史以及胸廓脊柱畸形病变是与HH发生发展相关的重要危险因素。根据相关... 详细信息

食管裂孔疝(HH)患病率在不同的地区以及种族间存在明显差异,总体上,欧美国家HH患病率显著高于包括中国在内的多数亚洲国家。高龄、超重或肥胖、胃酸反流、胃食管手术史以及胸廓脊柱畸形病变是与HH发生发展相关的重要危险因素。根据相关危险因素制定针对性的HH防治策略对于控制HH发生发展、降低患病率具有重要的意义。

关键词：食管裂孔疝流行病学患病率危险因素

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单孔腹腔镜胃袖状切除术265例临床分析

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中国实用外科杂志 2024年第8期44卷 906-910页

作者：杨建军董文培 jason Wadjaja 顾岩复旦大学附属华东医院普外科上海200040

目的分析单孔腹腔镜胃袖状切除术(SPSG)在单中心临床应用的初步经验与结果,探讨SPSG在高BMI病人中应用的安全性和有效性。方法回顾性分析2023年2月至2024年6月复旦大学附属华东医院行SPSG的265例病人的临床资料。所有纳入病人分为BMI≥5... 详细信息

目的分析单孔腹腔镜胃袖状切除术(SPSG)在单中心临床应用的初步经验与结果,探讨SPSG在高BMI病人中应用的安全性和有效性。方法回顾性分析2023年2月至2024年6月复旦大学附属华东医院行SPSG的265例病人的临床资料。所有纳入病人分为BMI≥50组(21例)、40≤BMI0.05)。结论高BMI并不是SPSG的绝对禁忌证,充分的术前评估、准备及恰当的术中处置对于SPSG的规范开展具有重要意义。

关键词：腹腔镜胃袖状切除术单孔疗效并发症

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Three cases of uncommon medication-associated osteonecrosis of temporal bone

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2024年第3期10卷 237-240页

作者： Hunter VanDolah jason R.Crossley H.Jeffrey Kim Georgetown University School of Medicine Washington DCUSA Department of Otolaryngology–Head and Neck Surgery MedStar Georgetown University HospitalWashington DCUSA

Introduction:Medication-related osteonecrosis of the temporal bone is rare and has been reported to be associated with the use of anti-resorptive and biologic ***,we present the first case of tyrosine-kinase inhibitor-related external auditory canal(EAC)osteonecrosis as well as two cases related to anti-resorptive ***:A retrospective case ***:Case one:an 84-year-old female presented with chronic otitis externa and osteonecrosis of EACs *** had a history of osteoporosis treated with denosumab and risedronic *** successfully underwent left EAC reconstruction using an inferiorly-based pedicle periosteal flap while the right ear canal was managed *** two:a 69-year-old male presented with osteonecrosis of the right *** had a history of osteoporosis treated with alendronic acid and zoledronic *** osteonecrosis is conservatively managed with local debridement and antibiotic *** three:a 60-year-old male presented with osteonecrosis of the right inferior *** had a history of chronic myelogenous leukemia treated with a tyrosine-kinase inhibitor,*** failing conservative therapy,he underwent right ear canal reconstruction using a periosteal vascular pedicle flap without complication and experienced complete resolution to his ***:Anti-resorptive agents and/or tyrosine kinase inhibitors may lead to dysregulation of bone remodeling and result in rare cases of temporal bone *** a local debridement and antibiotic therapy fail,definitive surgical excision of necrotic bone with subsequent reconstruction of the EAC may offer patients a possible resolution in symptoms.

关键词： bisphosphonates denosumab external auditory canal imatinib medication-related osteonecrosis osteonecrosis temporal bone tyrosine-kinase Inhibitors

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观测约束下的煤矿区吸光气溶胶特性模拟研究

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光学学报 2024年第18期 253-263页

作者：关萝尧 Cohen jason Blake 秦凯王硕 Tiwari Pravash 中国矿业大学环境与测绘学院中国矿业大学碳中和研究院

利用黑碳仪、光学粒度仪和太阳光度计在山西省长治市煤矿区开展连续实地观测，结合“核-壳”假设下的米散射模型，对煤矿区吸光气溶胶光学特性进行建模，提出一种基于多源地基观测快速反演吸光气溶胶单次散射反照率（SSA）的方法，并通... 详细信息

利用黑碳仪、光学粒度仪和太阳光度计在山西省长治市煤矿区开展连续实地观测，结合“核-壳”假设下的米散射模型，对煤矿区吸光气溶胶光学特性进行建模，提出一种基于多源地基观测快速反演吸光气溶胶单次散射反照率（SSA）的方法，并通过使用吸收Angstrom指数对模拟结果进行约束，分析了不同混合状态下吸光气溶胶光学特性的变化规律。结果表明：1）煤矿区吸光气溶胶粒径分布与污染条件相关，重度污染条件下粒径较大，中度污染条件下粒径较小，其中不同污染条件均在0.28～0.3μm等较小粒径区间内存在峰值，这表明排放源对粒径分布有重要影响；2）基于“核-壳”假设的米散射模型可以模拟不同混合状态下吸光气溶胶的SSA，以440 nm粒径为例，在均匀假设下SSA为0.43～0.72，在非均匀假设下SSA为0.41～0.65，这表明使用多波段、多粒径信息可以更准确地获取吸光气溶胶光学特性；3）吸收Angstrom指数只能在部分粒径区间与SSA相匹配，且无法应用至较大粒径区间，表明通过吸收Angstrom指数评估吸光气溶胶SSA的方法会产生偏差，应综合考虑粒径分布、混合状态和波长对其产生的影响。

关键词：单次散射反照率吸光气溶胶米散射模型煤矿区

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Construction of a novel six-gene signature to predict tumour response to induction chemotherapy and overall survival in locoregionally advanced laryngeal and hypopharyngeal carcinoma

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Genes & Diseases 2024年第3期11卷 148-150页

作者： Chen Tan Lingwa Wang Yifan Yang Shizhi He George G.Chen jason YK.Chan Michael CF.Tong C.A.van Hasselt Wenbin Xu Ling Feng Ru Wang Jugao Fang Department of Otolaryngology Head and Neck Surgery Beijing Tongren HospitalCapital Medical UniversityBeijing 100730China Key Laboratory of Otolaryngology Head and Neck Surgery(Ministry of Education of China) Beijing Institute of OtolaryngologyBeijing 100730China Department of Otorhinolaryngology Head and Neck SurgeryThe Chinese University of Hong KongPrince of Wales HospitalHongKong SAR999077China Department of Medical Genetics Institute of Basic Medical ScienceChinese Academy of Medical Science&Peking Union Medical CollageBeijing 100730China

Locoregionally advanced laryngeal and hypopharyngeal cancers(LA-LHCs)are traditionally treated with surgery followed by postoperative radiotherapy,which impairs speech and swallowing functions and reduces the quality of life.^(1,2)The use of induction chemotherapy(IC)as a larynxpreserving approach for LA-LHCs has been verified and refined.^(3)However,the short-term tumor response to IC varies,non-responders usually show poor survival and little benefit.

关键词： chemotherapy laryngeal surgery

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阅人无数的猎头说:这才是我们要的“宝藏职场人”

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中学生天地（初中综合版）（A版） 2024年第5期 30-31页

作者： jason 不详

我是jason,职业是“猎头”,听上去有点酷,对不对?“猎头”这个词由英文“Head-hunting”翻译而来,意为物色人才的人。我们就像职场上的“侦探”,受企业委托,循着各种蛛丝马迹,从海量的候选人信息中为企业寻找到对的那个人!我做这行已有... 详细信息

我是jason,职业是“猎头”,听上去有点酷,对不对?“猎头”这个词由英文“Head-hunting”翻译而来,意为物色人才的人。我们就像职场上的“侦探”,受企业委托,循着各种蛛丝马迹,从海量的候选人信息中为企业寻找到对的那个人!我做这行已有6年。大学时,我误打误撞选择了人力资源管理专业。作为一个外冷内热的“i人”,我渴望变成“社牛”,也希望毕业后可以尽快拿到有竞争力的收入,所以迈入职场不久后,我就开始做猎头了。这是一份需要不断与人打交道,且带有一定销售性质的工作。我们每个月要接触上百位候选人的简历,说我们“阅人无数”也不为过。

关键词：职场人人力资源管理专业猎头简历候选人竞争力

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Dynamics of self-hybridized exciton–polaritons in 2D halide perovskites

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Light(Science & Applications) 2024年第1期13卷 13-22页

作者： Surendra B.Anantharaman jason Lynch Christopher E.Stevens Christopher Munley Chentao Li Jin Hou Hao Zhang Andrew Torma Thomas Darlington Francis Coen Kevin Li Arka Majumdar PJames Schuck Aditya Mohite Hayk Harutyunyan Joshua R.Hendrickson Deep Jariwala Department of Electrical and Systems Engineering University of PennsylvaniaPhiladelphiaPA19104USA KBR Inc. BeavercreekOH45431USA Air Force Research Laboratory Sensors DirectorateWright-Patterson Air Force BaseOH45433USA Department of Physics University of WashingtonSeattleWA98195USA Department of Physics Emory UniversityAtlantaGA30322USA Department of Chemical and Biomolecular Engineering Rice UniversityHoustonTX77005USA Department of Materials Science and Nanoengineering Rice UniversityHoustonTX77005USA Applied Physics Program Smalley‐Curl InstituteRice UniversityHoustonTX77005USA Department of Mechanical Engineering Columbia UniversityNew YorkNY10027USA Department of Electrical and Computer Engineering University of WashingtonSeattleWA98195USA

Excitons,bound electron–hole pairs,in two-dimensional hybrid organic inorganic perovskites(2D HOIPs)are capable of forming hybrid light-matter states known as exciton-polaritons(E–Ps)when the excitonic medium is confined in an optical *** the case of 2D HOIPs,they can self-hybridize into E–Ps at specific thicknesses of the HOIP crystals that form a resonant optical cavity with the ***,the fundamental properties of these self-hybridized E–Ps in 2D HOIPs,including their role in ultrafast energy and/or charge transfer at interfaces,remain ***,we demonstrate that>0.5µm thick 2D HOIP crystals on Au substrates are capable of supporting multiple-orders of self-hybridized E–P *** E–Ps have high Q factors(>100)and modulate the optical dispersion for the crystal to enhance sub-gap absorption and *** varying excitation energy and ultrafast measurements,we also confirm energy transfer from higher energy E–Ps to lower energy E–***,we also demonstrate that E–Ps are capable of charge transport and transfer at *** findings provide new insights into charge and energy transfer in E–Ps opening new opportunities towards their manipulation for polaritonic devices.

关键词： charge polar excitation

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4-1BB transcriptomic expression patterns across malignancies:Implications for clinical trials of 4-1BB agonists

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Cancer Communications 2024年第10期44卷 1168-1172页

作者： Yuji Uehara Shumei Kato Daisuke Nishizaki Hirotaka Miyashita Suzanna Lee Mary K.Nesline Sarabjot Pabla Jeffrey M.Conroy Paul DePietro Heidi Ko jason K.Sicklick Razelle Kurzrock Department of Thoracic Oncology and Respiratory Medicine Tokyo Metropolitan Cancer and Infectious Diseases CenterKomagome HospitalTokyoJapan Department of Precision Cancer Medicine Center for Innovative Cancer TreatmentTokyo Medical and Dental UniversityTokyoJapan Center for Personalized Cancer Therapy and Division of Hematology and Oncology Department of MedicineUniversity of California San DiegoMoores Cancer CenterLa JollaCaliforniaUnited States Dartmouth Cancer Center Hematology and Medical OncologyLebanonNew HampshireUnited States Labcorp Oncology DurhamNorth CarolinaUnited States OmniSeq Incorporation BuffaloNew YorkUnited States Division of Surgical Oncology Department of SurgeryCenter for Personalized Cancer TherapyUniversity of California San DiegoLa JollaCaliforniaUnited States Medical College of Wisconsin Cancer Center and Genomic Sciences and Precision Medicine Center Medical College of WisconsinMilwaukeeWisconsinUnited States Department of Oncology Medical College of Wisconsin Cancer CenterMilwaukeeWisconsinUnited States Department of Oncology University of NebraskaOmahaNebraskaUnited States

4-1BB,a member of the tumor necrosis factor receptor superfamily,is an important co-stimulatory molecule regulating the activity of immune cells across a range of physiological and pathological processes,which culminates in a potent immune response(Figure 1A and B)[1,2].Numerous clinical trials have been conducted utilizing 4–1BB agonists(Supplemental Table S1);however,previous and ongoing 4-1BB agonist trials are being conducted without biomarker selection,which potentially explains their modest ***,several studies suggest the potential value of utilizing transcriptomics in addition to genomics to identify the unique immunologic signature of individual tumors[3–7].

关键词： clinical utilizing Figure

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