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The 8th Biennial Meeting of the Asian Society of Gynecologic Oncology, December 1st to 3rd, 2023
Heng-Cheng Hsu,김재원,박정열,서동훈,김세익,Jen-Ruei Chen,Peng-Hui Wang 대한부인종양학회 2024 Journal of Gynecologic Oncology Vol.35 No.2
As per the 2018 GLOBOCAN database, Asia accounted for 48.7% (637,761) of new gynecologiccancer cases and 50.1% (305,000) of gynecologic cancer deaths [1]. Recognizing the distinctdifferences in genetic background, cancer epidemiology, disease characteristics, and socio-cultural environment between Asian and non-Asian women, it is noteworthy that much ofthe experimental evidence guiding clinical gynecologic oncology practices has historicallybeen drawn from studies in Western populations. Established in 2008, the Asian Society ofGynecologic Oncology (ASGO) ser ves as a key organization in Asia, dedicated to advancingthe study, prevention, and treatment of gynecological cancer through scientific exchange,regional/international collaboration, educational initiatives, and fostering camaraderieamong its members [2]. Presently, ASGO boasts members from over 10 countries in Asia. Building on the success of the previous meetings held in Tokyo (2009) [3], Seoul (2011)[4], Kyoto (2013) [5], Seoul (2015) [6], Tokyo (2017) [7], Incheon (2019) [8], and Bangkok(2021) [9], the eighth Biennial Meeting of ASGO took place at the state-of-the-art HNBKInternational Convention Center in Taipei, Taiwan, from December 01 to 03, 2023. Theoverarching theme for this event was “Reunion to Overcome Gynecologic Cancer in Asia.”Notably, due to the impact of the coronavirus disease 2019 pandemic in 2021, the meetingwas transformed into a hybrid format. This gathering marked a significant milestone as thefirst in-person Pan-Asia meeting focused on gynecological cancer following the pandemic. Additionally, it is worth highlighting that this was the inaugural ASGO meeting held outsideof Korea and Japan, underscoring the broadening geographical scope and global impactof the conference. Professor Peng-Hui Wang and Jae-Weon Jim chaired the organizingcommittee. ASGO 2023 witnessed the participation of 633 attendees from 17 countries,featuring 152 honored speakers and chairs from 12 countries. The event included 44 oral/surgical video presentations and 187 poster presentations, covering a diverse range ofscientific topics, from fundamental principles of gynecological cancer care to advanced, high-technology practices rooted in cutting-edge research (Table 1). Photos from the meetingare accessible on the official meeting website (http://tinyurl.com/26xtts2f ).
Research and practice on oil displacement law of different well pattern in offshore oilfield
Wang Peng,Wang Shaopeng,Zhang Hongyou,Sun Guangyi,Zhai Shangqi,Chang Huijiang,Zhang Chengli 한국자원공학회 2021 Geosystem engineering Vol.24 No.6
BZ oilfield is the first oilfield successfully developed with large-scale horizontal well pattern in Bohai sea. In order to study the well pattern suitable for offshore fluvial sedimentary oilfield, based on the characteristics of offshore oilfield, such as large well spacing, few wells and complex well pattern, the authors designed a set of heterogeneous reservoir models under the guidance of similarity theory. The different well patterns, different displacement rates and different heterogeneity were simulated. The different displacement effects were studied by measuring the electrical characteristics, injection volume, oil production and water production of the model. It is found that the horizontal well pattern is used for low-speed development, the water breakthrough of oil wells is slow in the relatively homogeneous reservoir. In the heterogeneous high permeability reservoir(Jk = 4), the oilfield adopts low-speed development by using staggered well pattern, the water breakthrough of the oil well is slow, and the EOR is large. In the heterogeneous high permeability reservoir(Jk = 6), the oilfield adopts the combined well pattern for low-speed development, the EOR is large. This study deepens the understanding of the development law of horizontal well pattern and the distribution law of remaining oil, and provides a basis for oilfield development and adjustment.
Ma, Peng-Cheng,Liu, Ming-Yang,Zhang, Hao,Wang, Sheng-Qi,Wang, Rui,Wang, Kai,Wong, Yiu-Kei,Tang, Ben-Zhong,Hong, Soon-Hyung,Paik, Kyung-Wook,Kim, Jang-Kyo American Chemical Society 2009 ACS APPLIED MATERIALS & INTERFACES Vol.1 No.5
<P>Nanocomposites reinforced with hybrid fillers of carbon nanotubes (CNTs) and carbon black (CB) are developed, aiming at enhancing the electrical conductivity of composites with balanced mechanical properties while lowering the cost of the final product. Epoxy-based nanocomposites were prepared with varying combinations of CNTs and CB as conducting fillers, and their electrical and mechanical properties were evaluated. It was shown that the addition of CNTs in CB composites enhanced the electrical conductivity of composites: a low percolation threshold was achieved with 0.2 wt % CNTs and 0.2 wt % CB particles. The CB particles also enhanced the ductility and fracture toughness of nanocomposites, confirming the synergistic effect of CB as a multifunctional filler. The novelty of this work lies in the synergy arising from the combination of two conducting fillers with unique geometric shapes and aspect ratios as well as different dispersion characteristics, which have not been specifically considered previously.</P>
Yan-lin Wang,Ke-yi Wang,Wan-li Wang,Peng-cheng Yin,Zhuang Han 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.11
This paper presents a problem that traditional methods cannot evaluate the dynamical stability of the under-constraint cable-driven lower limb rehabilitation training robot (CLLRTR). An analytical method is presented to evaluate the dynamical stability of CLLRTR. Firstly, position performance factor, posture performance factor and cable tension performance factor are defined based on the kinematics and dynamics of CLLRTR. An appraisal index and method of the dynamical stability for CLLRTR with the hybrid force-position-pose approach is proposed by using the weighted average method among three performance factors. Secondly, the stable workspace and robustness workspace with the external forces are defined according to the stability margin. Finally, the simulation analysis and the experimental study are used to illustrate the distribution of the dynamical stability in the whole workspace of CLLRTR. The results show that the experimental results are the same as the theoretical simulation analysis results. So the appraisal index of the dynamical stability can be used to evaluate the dynamical stability of CLLRTR. It will provide a foundation for the trajectory planning and control strategy of CLLRTR training pattern.
Shu-Jun Wang,Yu-Ling Peng,Cheng-Gen Zhang,Qi Peng Ma,Xiao Xia Peng,Li Lei Ren 대한화학회 2017 Bulletin of the Korean Chemical Society Vol.38 No.7
Two kinds of free-base tailed porphyrins modified with 2-chloronicotinic acid and the corresponding Zn porphyrins have been synthesized. They have been characterized by elemental analysis and NMR, UV/Vis, fluorescence spectra, and infrared spectroscopies. Their configurations have been optimized through theoretical calculations. The fluorescence quantum yields were determined by a comparative method. The interactions between the Zn porphyrins and human serum albumin have been studied by means of fluorescence spectra. The experimental results showed that the interaction mechanism involved a combined fluorescence quenching process (static and dynamic quenching) and that the main driving force was hydrophobic in nature. Quenching constants, binding constants, thermodynamic parameters, and binding distances have been determined.
Li, Da-Peng,Du, Chen,Zhang, Zuo-Ming,Li, Guang-Xiao,Yu, Zhi-Fu,Wang, Xin,Li, Peng-Fei,Cheng, Cheng,Liu, Yu-Peng,Zhao, Ya-Shuang Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.12
The present systematic review and meta-analysis was conducted to assess any association between breastfeeding and the risk of ovarian cancer. A systematic search of published studies was performed in PUBMED and EMBASE and by reviewing reference lists from retrieved articles through March 2013. Data extraction was conducted independently by two authors. Pooled relative risk ratios were calculated using random-effect models. Totals of 5 cohort studies and 35 case-control studies including 17,139 women with ovarian cancer showed a 30% reduced risk of ovarian cancer when comparing the women who had breastfed with those who had never breastfed (pooled RR = 0.70, 95% CI: 0.64-0.76; p = 0.00), with significant heterogeneity in the studies (p = 0.00; I2 = 76.29%). A significant decreasd in risk of epithelial ovarian cancer was also observed (pooled RR = 0.68, 95% CI: 0.61-0.76). When the participants were restricted to only parous women, there was a slightly attenuated but still significant risk reduction of ovarian cancer (pooled RR = 0.76, 95% CI: 0.69-0.83). For total breastfeeding duration, the pooled RRs in the < 6 months, 6-12 months and > 12 months of breastfeeding subgroups were 0.85 (95% CI: 0.77-0.93), 0.73 (95% CI: 0.65-0.82) and 0.64 (95%CI: 0.56-0.73), respectively. Meta-regression of total breastfeeding duration indicated an increasing linear trend of risk reduction of ovarian cancer with the increasing total breastfeeding duration (p = 0.00). Breastfeeding was inversely associated with the risk of ovarian cancer, especially long-term breastfeeding duration that demonstrated a stronger protective effect.
Li, Xin,Wang, Yang,Li, Xing-Wang,Liu, Bao-Cheng,Zhao, Qing-Zhu,Li, Wei-Dong,Chen, Shi-Qing,Huang, Xiao-Ye,Yang, Feng-Ping,Wang, Quan,Wang, Jin-Fen,Xiao, Yan-Zeng,Xu, Yi-Feng,Feng, Guo-Yin,Peng, Zhi-Ha Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Colorectal cancer (CRC), now the third most common cancer across the world, is known to aggregate in families. USP7 is a very important protein with an important role in regulating the p53 pathway, which is critical for genomic stability and tumor suppression. We here genotyped eight SNPs within the USP7 gene and conducted a case-control study in 312 CRC patients and 270 healthy subjects in the Chinese Han population. No significant associations were found for any single SNP and CRC risk. Our data eliminate USP7 as a potential candidate gene towards for CRC in the Han Chinese population.
Jieqin Li,Yihua Wang,Juntao Chai,Lihua Wang,Chunming Wang,Wuhua Long,Di Wang,Yunlong Wang,Ming Zheng,Cheng Peng,Mei Niu,Jianmin Wan 한국식물학회 2013 Journal of Plant Biology Vol.56 No.5
The nuclear genes involved in chloroplast developmentand chlorophyll biosynthesis must be investigated tounderstand their functions in plant growth and development. In this study, we isolated and identified a unique leaf-colormutant of rice with a green-yellow phenotype before thefour-leaf stage and named the mutation green-revertiblechlorina 1 (grc1). The mutants had significantly lower plantheight, number of tillers, and panicle length and headedsignificantly earlier than the wild type. The levels ofchlorophylls, carotenoids, and chlorophyll precursors werealso lower. The mutation in grc1 affected chloroplastultrastructure, particularly thylakoid development. Geneticanalysis indicated that the green-yellow phenotype wascontrolled by a single recessive gene. We mapped the grc1gene to a 32.4-kb region on the long arm of chromosome 6. Through map-based cloning, we identified a 45-bp insertionin the genomic region of LOC_Os06g40080, which encodeda heme oxygenase. Expression of LOC_Os06g40080 wassignificantly down-regulated in the grc1 mutant. Subcellularlocalization showed that this heme oxygenase was localizedin the chloroplast. In summary, we isolated and identified thegene for grc1, which plays an important role in chlorophyllbiosynthesis and chloroplast development in rice.