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Extended lymph node dissection in robot-assisted radical prostatectomy： lymph node yield and distribution of metastases

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Asian Journal of Andrology 2014年第6期16卷 824-828页

作者： Kwang Hyun Kim Sey Kiat Lim Kyo Chul Koo Woong Kyu Han sung joon hong Koon Ho Rha Department of Urology Urological Science Institute Yonsei University College of Medicine Seoul Korea Department of Urology Ewha Womans University School ot Medicine Seoul Korea.

In this study, we reported our experience performing robotic extended lymph node dissection （eLND） in patients with prostate cancer. A total of 147 patients with intermediate and high-risk prostate cancer who underwent robotic eLND from May 2008 to December 2011 were included in this analysis. The dissection template extended to the ureter crossing the iliac vessels. We assessed lymph node yield, lymph node positivity, and perioperative outcomes. Lymph node positivity was also evaluated according to the number of lymph nodes （LNs） removed （〈22 vs 〉22）. The median number of LNs removed was 22 （11-51）, and 97 positive LNs were found in 24 patients （16.3%）. While the obturator fossa was the most common site for LN metastases （42.3%, 41/97）, the internal iliac area was the most common area for a single positive LN packet （20.8%, 5/24）. Eight patients （33.3%, 8/24） had positive LNs at the common iliac area. The incidence of positive LNs did not differ according to the number of LNs removed. Complications associated with eLND occurred in 21 patients （14.3%） and symptomatic lymphocele was found in five patients （3.4%）. In conclusion, robotic eLND can be performed with minimal morbidity. Furthermore, LN yield and the node positive rate achieved using this robotic technique are comparable to those of open series. In addition, the extent of dissection is more important than the absolute number of LNs removed in eLND, and the robotic technique is not a prohibitive factor for performing eLND.

关键词： lymph node excision prostatectomy prostatic neoplasm robotics

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Biochemical outcomes after robot-assisted radical prostatectomy in patients with follow-up more than 5-years

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Asian Journal of Andrology 2013年第3期15卷 404-408页

作者： Kwang Hyun Kim Sey Kiat Lim Tae-Young Shin Byung Ha Chung sung joon hong Koon Ho Rha Department of Urology Urological Science Institute Yonsei University College of Medicine Seoul Korea

In this study, we assessed biochemical outcomes after robot-assisted radical prostatectomy （RARP）. Between July 2005 and November 2007, one hundred and seventy-six consecutive patients treated by RARP without neoadjuvant treatment were included in this study. All procedures were performed by a single surgeon and the median follow-up period was 60 months （interquartile range （IQR）： 59-69）. The median prostate specific antigen was 7.50 ng ml-1 （IQR： 5.14-11.45） and 39.2% of the patients were classified as intermediate risk and 15.3% were classified as high risk; on final pathological examination, 35.2% of the patients had non-organ confined disease and 37.5% and 14.2% had Gleason scores of 7 and 8-10, respectively. The biochemical recurrence （BCR）-free survival rates at 3 and 5 years were 85.6% and 81.2%, respectively. The 5-year BCR-free survival rates stratified by pathologic Gleason scores were 93.1% in Gleason scores of 6 or less, 74.5% in a Gleason score of 7, and 58.1% in Gleason scores of 8 or greater, respectively （P〈0.001）. When stratified by pathologic stage, the BCR-free survival rates were 89.8% in pT2 patients, 66.2% in pT3a patients, and 39.3% in pT3b patients at 5 years following RARP, respectively （P〈0.001）. Preoperative prostate-specific antigen （PSA）, pathologic stage, postoperative Gleason score and surgical margin status were independently associated with BCR in multivariate analysis. In this study, we report biochemical outcomes after RARP with the longest follow-up periods to date in Asian men. We found that robotic surgery provided satisfactory biochemical outcomes, and that RARP is a safe and effective procedure in terms of oncologic outcomes.

关键词： prostatectomy prostatic neoplasm recurrence robotics

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Stable immobilization of lithium polysulfides using three-dimensional ordered mesoporous Mn_(2)O_(3) as the host material in lithium-sulfur batteries

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Carbon Energy 2024年第6期6卷 99-112页

作者： sung joon Park Yun Jeong Choi Hyun-seung Kim Min Joo hong hongjun Chang Janghyuk Moon Young-Jun Kim Junyoung Mun Ki Jae Kim Department of Energy Science Sungkyunkwan UniversitySuwonGyeonggi-doRepublic of Korea Department of Energy Engineering Konkuk UniversitySeoulRepublic of Korea Advanced Batteries Research Center Korea Electronic Technology InstituteSeongnamRepublic of Korea Department of Future Energy Engineering Sungkyunkwan UniversitySuwonRepublic of Korea Department of Energy Systems Engineering Chung-Ang UniversitySeoulRepublic of Korea SKKU Advanced Institute of Nanotechnology Sungkyunkwan UniversitySuwonGyeonggi-doRepublic of Korea SKKU Institute of Energy Science and Technology(SIEST) Sungkyunkwan UniversitySuwonRepublic of Korea School of Advanced Materials Science and Engineering Sungkyunkwan UniversitySuwonRepublic of Korea

Lithium-sulfur batteries(LSBs)have drawn significant attention owing to their high theoretical discharge capacity and energy ***,the dissolution of long-chain polysulfides into the electrolyte during the charge and discharge process(“shuttle effect”)results in fast capacity fading and inferior electrochemical *** this study,Mn_(2)O_(3)with an ordered mesoporous structure(OM-Mn_(2)O_(3))was designed as a cathode host for LSBs via KIT-6 hard templating,to effectively inhibit the polysulfide shuttle ***-Mn_(2)O_(3)offers numerous pores to confine sulfur and tightly anchor the dissolved polysulfides through the combined effects of strong polar-polar interactions,polysulfides,and sulfur chain *** OM-Mn_(2)O_(3)/S composite electrode delivered a discharge capacity of 561 mAh g^(-1) after 250 cycles at 0.5 C owing to the excellent performance of OM-Mn_(2)O_(3).Furthermore,it retained a discharge capacity of 628mA h g^(-1) even at a rate of 2 C,which was significantly higher than that of a pristine sulfur electrode(206mA h g^(-1)).These findings provide a prospective strategy for designing cathode materials for high-performance LSBs.

关键词： host material lithium-sulfur battery ordered mesoporous structure shuttle effect transition-metal oxides

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Heat-induced leaf epidermal cell damage triggers autophagy-mediated mesophyll cell expansion in Arabidopsis

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Plant Communications 2024年第3期5卷 5-8页

作者： Yunji Namgung hong Gil Lee hongwoo Lee Pil joon Seo Department of Chemistry Seoul National UniversitySeoul 08826Republic of Korea Plant Genomics and Breeding Institute Seoul National UniversitySeoul 08826Republic of Korea Research Institute of Basic Sciences Seoul National UniversitySeoul 08826Republic of Korea

Dear Editor,Plants have evolved intricate mechanisms to recognize fluctuating environments,relay signals,and ultimately recover from the cellular and tissue damage imposed by environmental *** wounding,mechanical damage is recognized via cellular compounds released from damaged cells(Vega-Munoz et al.,2020)or changes in turgor pressure and cell-wall properties(Hoermayer et al.,2020).

关键词： damage Arabidopsis wound

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Callus proliferation-induced hypoxic microenvironment decreases shoot regeneration competence in Arabidopsis

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Molecular Plant 2024年第3期17卷 395-408页

作者： Dohee Koo hong Gil Lee Soon Hyung Bae Kyounghee Lee Pil joon Seo Department of Chemistry Seoul National UniversitySeoul 08826Korea Plant Genomics and Breeding Institute Seoul National UniversitySeoul 08826Korea Research Institute of Basic Sciences Seoul National UniversitySeoul 08826Korea

Plants are aerobic organisms that rely on molecular oxygen for respiratory energy *** conditions,with oxygen levels ranging between 1%and 5%,usually limit aerobic respiration and affect plant growth and ***,we demonstrate that the hypoxic microenvironment induced by active cell proliferation during the two-step plant regeneration process intrinsically represses the regener-ation competence of the callus in Arabidopsis *** showed that hypoxia-repressed plant regener-ation is mediated by the RELATED TO APETALA2.12(RAP2.12)protein,a memberof the Ethylene Response Factor VIl(ERF-Vll)*** found that the hypoxia-activated RAP2.12 protein promotes salicylic acid(SA)biosynthesis and defense responses,thereby inhibiting pluripotency acquisition and de novo shoot regeneration in *** and genetic analyses revealed that RAP2.12 could bind directly to the SALICYLIC ACID INDUCTION DEFICIENT 2(SID2)gene promoter and activate SA biosynthesis,repressing plant regeneration possibly via a PLETHORA(PLT)-dependent ***,the rap2.12 mutant calli exhibits enhanced shoot regeneration,which is impaired by SA *** together,these find-ings uncover that the cell proliferation-dependent hypoxic microenvironment reduces cellular pluripotency and plant regeneration through the RAP2.12-SID2 module.

关键词： callus cell proliferation-induced hypoxia SID2 plant regeneration salicylic acid RAP2.12

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Factor analysis of recent major heatwaves in East Asia

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Geoscience Frontiers 2024年第1期15卷 374-383页

作者： Arim Yoon Jeongwon Kim Jooyeop Lee Hyun Min sung Je-Woo hong Seung-Ki Min Junhong Lee Jinkyu hong Ecosystem-Atmosphere Process Laboratory Department of Atmospheric SciencesYonsei UniversitySeoul 03722Republic of Korea National Institute of Meteorological Sciences Jeju 63568Republic of Korea Korea Adaptation Center for Climate Korea Environment InstituteSejong 30121Republic of Korea Division of Environmental Science and Engineering Pohang University of Science and TechnologyPohang 37673Republic of Korea Max Planck Institute for Meteorology Hamburg 20146Germany Institute for Convergence Research and Education in Advanced Technology Yonsei UniversitySeoulRepublic of Korea

Heatwaves(HWs)present a major hazard to our society and more extreme heatwaves are expected with future climatic ***,it is important to improve our understanding of the underlying processes that drive HWs,in order to boost our socioeconomic-ecological *** this study,we quantified the influences of key driving factors(large-scale atmospheric circulation,soil moisture,and sea surface temperature)and their synergies on recent heatwaves in East *** conducted a factor separation analysis for three recent HW events by constraining the key factors in the regional Weather Research and Forecasting model with their climatologies or pseudo-observations in different *** study showed distinct spatial variations in the HW-controlling factors in East *** synergistic interaction of large-scale circulation and soil moisture was the most important factors in the 2013 Chinese *** the 2018 HWs in Korea and Japan,the same stagnant large-scale atmospheric circulation played a dominant role in driving the HW *** land-atmosphere coupling via soil moisture,its interaction with circulation,and SST exhibited stronger influences during the Korean HW than the Japanese *** analysis also revealed temporal variations in the factors driving Korean and Chinese HWs due to typhoon passage and other multiple processes over heterogeneous surfaces(i.e.,topographically induced Foehn winds,large-scale warm advection from the warm ocean,spatial differences in soil moisture).Our findings suggest that future heatwave-related studies should consider interactive contributions of key factors,their interplay with surface heterogeneities of complex terrain.

关键词： Heatwave East Asia Large-scale circulation Soil moisture Sea surface temperature Synergistic impacts

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The PRR-EC complex and SWR1 chromatin remodeling complex function cooperatively to repress nighttime hypocotyl elongation by modulating PIF4 expression in Arabidopsis

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Plant Communications 2024年第9期5卷 184-199页

作者： Jin Hoon Won Jeonghyang Park hong Gil Lee Sangrae Shim hongwoo Lee Eunkyoo Oh Pil joon Seo Department of Chemistry Seoul National UniversitySeoul 08826Republic of Korea Department of Life Sciences Korea UniversitySeoul 02841Republic of Korea Plant Genomics and Breeding Institute Seoul National UniversitySeoul 08826Republic of Korea Department of Forest Resources Kangwon National UniversityChuncheon 24341Republic of Korea

The circadian clock entrained by environmental light-dark cycles enables plants to fine-tune diurnal growth and developmental ***,we show that physical interactions among evening clock components,including PSEUDO-RESPONSE REGULATOR 5(PRR5),TIMING OF CAB EXPRESSION 1(TOC1),and the Evening Complex(EC)component EARLY FLOWERING 3(ELF3),define a diurnal repressive chromatin structure specifically at the PHYTOCHROME-INTERACTING FACTOR 4(PIF4)locus in *** three clock components act interdependently as well as independently to repress nighttime hypocotyl elongation,as hypocotyl elongation rate dramatically increased specifically at nighttime in the prr5-1 toc1-21 elf3-1 mutant,concomitantly with a substantial increase in PIF4 *** repression of PIF4 by ELF3,PRR5,and TOC1 is mediated by the SWI2/SNF2-RELATED(SWR1)chromatin remodeling complex,which incorporates histone H2A.Z at thePIF4 locus,facilitating robust epigenetic suppression ofPIF4 during the ***,these findings demonstrate that the PRR-EC-SWR1 complex represses hypocotyl elongation at night through a distinctive chromatin domain covering PIF4 chromatin.

关键词： hypocotyl elongation circadian clock PRR Evening Complex histone H2A.Z SWR1 complex

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Body-Shaping Membrane to Regenerate Breast Fat by Elastic Structural Holding

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Research 2024年第1期2023卷 165-180页

作者： Hye-Seon Kim Jeongeun Park Hyun-Su Ha Sewoom Baek Chan Hee Lee Kyubae Lee Suji Park Jueun Kim Se Won Yi Hak-joon sung Department of Medical Engineering Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoul 03722Republic of Korea TMD LAB Co.Ltd. 6th Floor31Gwangnaru-ro 8-gilSeongdong-guSeoul 04799Republic of Korea

Tissue regeneration requires structural holding and movement support using tissue-type-specific aids such as bone casts,skin bandages,and joint ***,an unmet need exists in aiding breast fat regeneration as the breast moves following continuous body motion by exposing the breast fat to dynamic ***,the concept of elastic structural holding is applied to develop a shape-fitting moldable membrane for breast fat regeneration(“adipoconductive”)after surgical defects are *** membrane has the following key characteristics:(a)It contains a panel of honeycomb structures,thereby efficiently handling motion stress through the entire membrane;(b)a strut is added into each honeycomb in a direction perpendicular to gravity,thereby suppressing the deformation and stress concentration upon lying and standing;and(c)thermo-responsive moldable elastomers are used to support structural holding by suppressing large deviations of movement that occur *** elastomer became moldable upon a temperature shift above T_(m).The structure can then be fixed as the temperature *** a result,the membrane promotes adipogenesis by activating mechanotransduction in a fat miniature model with pre-adipocyte spheroids under continuous shaking in vitro and in a subcutaneous implant placed on the motion-prone back areas of rodents in vivo.

关键词： thereby shaking Elastic

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Right or left hepatectomy: a continuing question in the era of pure laparoscopic donor hepatectomy

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Hepatobiliary Surgery and Nutrition 2024年第4期13卷 718-720页

作者： Suk Kyun hong YoungRok Choi Nam-joon Yi Kwang-Woong Lee Kyung-Suk Suh Department of Surgery Seoul National University College of MedicineSeoulKorea

We read with great interest the article by Fujiki et *** in the Annals of Surgery(1),which advocates for the use of a left liver graft with a pure laparoscopic donor hepatectomy(PLDH)approach to reduce the burden on living *** invasive techniques,including laparoscopic surgery,have been increasingly adopted in donor hepatectomy for liver *** reflects a broader trend in various surgical fields to enhance patient outcomes both cosmetically and *** the first report of a PLDH in the form of a left lateral sectionectomy in 2002(2),this approach has expanded to include full left and full right hepatectomies(3,4).With advancements in laparoscopic instruments and growing experience,PLDH has become a standard practice for left lateral section grafts,as recognized by the most recent international consensus guideline(5).However,PLDH for full left and full right grafts has not yet reached the same level of *** performed in Asian countries,PLDH for these grafts highlights differences in donor and recipient characteristics compared to Western *** studies and evidence are required to confirm the safety and feasibility of PLDH for full left and full right grafts on a broader scale.

关键词： Donor hepatectomy laparoscopy living donor liver transplantation right hepatectomy left hepatectomy

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Two distinct subpopulations of marginal zone B cells exhibit differential antibody-producing capacities and radioresistance

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Cellular & Molecular Immunology 2024年第4期21卷 393-408页

作者： Sujin Lee Yeunjung Ko Hyun Woo Lee Won joon Oh Hun Gi hong Dinuka Ariyaratne Se Jin Im Tae Jin Kim Department of Immunology Graduate School of Basic Medical ScienceSungkyunkwan University School of MedicineSuwon16419Republic of Korea Department of Immunology and Molecular Medicine Faculty of Medical SciencesUniversity of Sri JayewardenepuraNugegodaSri Lanka Present address:Immunology and Microbiology Graduate Program Baylor College of MedicineHoustonTX77030USA

Marginal zone(MZ)B cells,which are splenic innate-like B cells that rapidly secrete antibodies(Abs)against blood-borne pathogens,are composed of heterogeneous ***,we showed that MZ B cells can be divided into two distinct subpopulations according to their CD80 expression ***80^(high)MZ B cells exhibited greater Ab-producing,proliferative,and IL-10-secreting capacities than did CD80^(low)MZ B ***,CD80^(high)MZ B cells survived 2-Gy whole-body irradiation,whereas CD80^(low)MZ B cells were depleted by irradiation and then repleted with one month after *** of CD80^(low)MZ B cells led to accelerated development of type II collagen(CII)-induced arthritis upon immunization with bovine ***80^(high)MZ B cells exhibited higher expression of genes involved in proliferation,plasma cell differentiation,and the antioxidant ***80^(high)MZ B cells expressed more autoreactive B cell receptors(BCRs)that recognized double-stranded DNA or CII,expressed more immunoglobulin heavy chain sequences with shorter complementarity-determining region 3 sequences,and included more clonotypes with no N-nucleotides or with B-1a BCR sequences than CD80^(low)MZ B *** transfer experiments showed that CD21^(+)CD23^(+)transitional 2 MZ precursors preferentially generated CD80^(low)MZ B cells and that a proportion of CD80^(low)MZ B cells were converted into CD80^(high)MZ B cells;in contrast,CD80^(high)MZ B cells stably remained CD80^(high)MZ B *** summary,MZ B cells can be divided into two subpopulations according to their CD80 expression levels,Ab-producing capacity,radioresistance,and autoreactivity,and these findings may suggest a hierarchical composition of MZ B cells with differential stability and BCR specificity.

关键词： Marginal Zone B Cell CD80 Autoreactivity Radioresistance

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