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Acupuncture ameliorates atopic dermatitis by modulating gut barrier function in a gut microbiota-dependent manner in mice

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Journal of Integrative Medicine 2024年第5期22卷 600-613页

作者： Mijung Yeom Sora ahn Dae-Hyun Hahm Sun-young Jang Se hoon Jang Su-Yang Park Jae-Hwan Jang Jihan Park Ju-young Oh In-Seon Lee Kyuseok Kim Soon-Kyeong Kwon Hi-Joon Park Acupuncture and Meridian Science Research Center College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Department of Physiology School of MedicineKyung Hee UniversitySeoul 02447Republic of Korea BioNanocomposite Research Center Kyung Hee UniversitySeoul 02447Republic of Korea Department of Science in Korean Medicine College of Korean MedicineGraduate SchoolKyung Hee UniversitySeoul 02447Republic of Korea College of Korean Medicine Kyung Hee UniversitySeoul 02447Republic of Korea Department of Ophthalmology Otorhinolaryngology and Dermatology of Korean MedicineCollege of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Division of Applied Life Science(BK21) Gyeongsang National UniversityJinju 52828Republic of Korea Department of Anatomy&Information Sciences College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea

Objective Atopic dermatitis(AD)is a chronic inflammatory skin disease that may be linked to changes in the gut *** has been proven to be effective in reducing AD symptoms without serious adverse events,but its underlying mechanism is not completely *** purpose of this study was to investigate whether the potential effect of acupuncture on AD is gut *** AD-like skin lesions were induced by applying MC903 topically to the cheek of the *** was done at the Gok-Ji(LI11)***-like symptoms were assessed by lesion scores,scratching behavior,and histopathological changes;intestinal barrier function was measured by fecal output,serum lipopolysaccharide levels,histopathological changes,and mRNA expression of markers involved in intestinal permeability and *** microbiota was profiled using 16S rRNA gene sequencing from fecal *** Acupuncture effectively improved chronic itch as well as the AD-like skin lesions with epidermal thickening,and also significantly altered gut microbiota structure as revealed byβ-diversity indices and analysis of *** beneficial effects were eliminated by antibiotic depletion of gut microbiota,but were reproduced in gut microbiota-depleted mice that received a fecal microbiota transplant from acupuncture-treated ***,AD mice had intestinal barrier dysfunction as indicated by increased intestinal permeability,atrophy of the mucosal structure(reduced villus height and crypt depth),decreased expression of tight junctions and mucus synthesis genes,and increased expression of inflammatory mediators in the *** attenuated these abnormalities,which was gut *** Acupuncture ameliorates AD-like phenotypes in a gut microbiota-dependent manner and some of these positive benefits are explained by modulation of the intestinal barrier,providing new perspective for non-pharmacological strategies for

关键词： Atopic dermatitis Acupuncture Gut microbiota Intestinal barrier function

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A pilot clinical study to evaluate feasibility of using single patient classifier as a prognostic test in stage Ⅱ-Ⅲ gastric cancer patients

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Chinese Journal of Cancer Research 2024年第4期36卷 368-377页

作者： Ji Yeong An Sung Eun Oh Soomin ahn Hyoung-II Kim Yoo Min Kim Minah Cho Keun Won Ryu hong Man Yoon young Kyu Park In Gyu Kwon Sung hoon Noh Kyung Hee Lee In Cho Myoung Won Son Jong Won Kim young-Woo Kim Department of Surgery Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Pathology and Translational Genomics Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Surgery Yonsei University College of MedicineSeoul 03722Republic of Korea Gastric Cancer Center Yonsei Cancer CenterYonsei University Health SystemSeoul 03722Republic of Korea Center for Gastric Cancer National Cancer CenterGoyang 10408Republic of Korea Department of Surgery Chonnam National University Hwasun HospitalChonnam National University College of MedicineGwangju 58128Republic of Korea Department of Surgery Gangnam Severance HospitalYonsei University College of MedicineSeoul 06273Republic of Korea Department of Hematology-Oncology Yeungnam University Medical CenterDaegu 42415Republic of Korea Department of Surgery Soonchunhyang University College of MedicineBucheon 14584Republic of Korea Department of Surgery Soonchunhyang University Cheonan HospitalSoonchunhyang University College of MedicineCheonan 31151Republic of Korea Department of Surgery Chung-Ang University HospitalChung-Ang University College of MedicineSeoul 06973Republic of Korea

Objective:Precision medicine approaches emphasize the importance of reliable prognostic tools for guiding individualized therapy *** this study,we evaluated the clinical feasibility of the single patient classifier(SPC)test,a new clinical-grade prognostic assay,in stageⅡ-Ⅲgastric cancer ***:A prospective multicenter study was conducted,involving 237 patients who underwent gastrectomy between September 2019 and August 2020 across nine *** SPC test was employed to stratify patients into risk groups,and its feasibility and performance were *** primary endpoint was the proportion of the cases in which the test results were timely delivered before selecting postoperative ***,3-year disease-free survivals of risk groups were ***:The SPC test met the primary endpoint *** 99.5%of SPC tests were timely delivered to hospitals before the postoperative treatment *** a clinical setting,the median time from the specimen transfer to laboratory to the result delivery to hospital was 4 ***,3-year disease-free survivals were significantly different between risk groups classified with SPC ***:This study highlights the SPC test's feasibility in offering crucial information timely delivered for making informed decisions regarding postoperative treatment *** also provides evidence to support the implementation of a future prospective clinical trial aimed at evaluating the clinical utility of the SPC test in guiding personalized treatment decisions for gastric cancer patients.

关键词： Prognostic test advanced gastric cancer adjuvant chemotherapy feasibility gastrectomy

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Survival benefit of concurrent chemoradiotherapy for advanced ampulla of Vater cancer

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World Journal of Clinical Cases 2024年第2期12卷 267-275页

作者： Chae Hwa Kwon Hyung Il Seo Dong Uk Kim Sung Yong Han Suk Kim Nam Kyung Lee Seung Baek hong Ji Hyun ahn young Mok Park Byeong Gwan Noh BioMedical Research Institute Pusan National University HospitalBusan 49241South Korea Department of Surgery Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Internal Medicine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Pathology and Biomedical Research Institute Pusan National University HospitalBusan 49241South Korea

BACKGROUND Currently,there is no standard adjuvant therapy for patients with resected ampulla of Vater(AoV)*** To evaluate the effectiveness of adjuvant concurrent chemoradiotherapy(CCRT)in patients with advanced AoV cancer who underwent curative *** This single-centered,retrospective study included 29 patients with advanced AoV cancer who underwent pancreaticoduodenectomy between 2006 and *** impact of CCRT on advanced AoV cancer was *** The 1-,3-,and 5-yr recurrence-free survival(RFS)rates for patients with advanced AoV cancer were 82.8%,48.3%,and 40.8%,respectively,and the overall survival(OS)rates were 89.7%,62.1%,and 51.7%,***-cular invasion was found to be a significant risk factor for RFS and OS in patients with advanced AoV cancer in the univariate analysis,whereas T stage and lymph node metastasis were significantly associated with OS in the multivariate *** to the patients who did not receive adjuvant CCRT,those who received adjuvant CCRT did not show statistically significant improvements in the RFS and OS,although they had a significantly lower average age and significantly higher platelet-to-lymphocyte *** Adjuvant CCRT did not improve survival outcomes in patients with advanced AoV *** findings contribute to existing knowledge on the effectiveness of CCRT in this patient population and provide important insights for clinical decision-making.

关键词： Advanced ampulla of Vater cancer Adjuvant concurrent chemoradiotherapy Recurrence Survival Vater cancer

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电沉积Mo和Mo-Co合金纳米线用于互联电阻的电阻率改性

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Engineering 2024年第1期32卷 127-137页

作者： Jun Hwan Moon Taesoon Kim youngmin Lee Seunghyun Kim Yanghee Kim Jae-Pyoung ahn Jungwoo Choi Hyuck Mo Lee young Keun Kim Department of Materials Science and Engineering Korea UniversitySeoul 02841Republic of Korea Department of Materials Science and Engineering Korea Advanced Institute of Science and EngineeringDaejeon 34141Republic of Korea Advanced Analysis Center Korea Institute of Science and TechnologySeoul 02792Republic of Korea Research Resources Division Korea Institute of Science and TechnologySeoul 02792Republic of Korea

Achieving historically anticipated improvement in the performance of integrated circuits is challenging,due to the increasing cost and complexity of the required technologies with each new *** overcome this limitation,the exploration and development of novel interconnect materials and processes are highly desirable in the microelectronics ***(Mo)is attracting attention as an advanced interconnect material due to its small resistivity size effect and high cohesive energy;however,effective processing methods for such materials have not been widely ***,we investigate the electrochemical behavior of ions in the confined nanopores that affect the electrical properties and microstructures of nanoscale Mo and Mo-Co alloys prepared via template-assisted *** in an electrolyte allow the deposition of extremely pure metal materials,due to their interac-tion with metal ions and *** this study,boric acid and tetrabutylammonium bisulfate(TBA)were added to an acetate bath to inhibit the hydrogen evolution *** accelerated the reduction of Mo at the surface by inducing surface conduction on the *** Mo nanowires with a 130 nm diameter synthesized through high-aspect-ratio nanopore engineering exhibited a resistivity of(63.0±17.9)μΩ*** also evaluated the resistivities of Mo-Co alloy nanowires at various compo-sitions toward replacing irreducible conventional barrier/liner *** intermetallic compound formed at a Mo composition of 28.6 at%,the resistivity of the Mo-Co nanowire was(58.0±10.6)μΩcm,indicat-ing its superior electrical and adhesive properties in comparison with those of conventional barriers such as TaN and ***,density functional theory and non-equilibrium Green's function calcula-tions confirmed that the vertical resistance of the via structure constructed from Mo-based materials was 21%lower than that of a conventional Cu/Ta/TaN structure.

关键词： Molybdenum Molybdenum-cobalt Interconnect Microstructure Electrodeposition Density functional theory

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Extraction and Purification of Depigmenting Agents from Chinese Plants

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Chemical Research in Chinese Universities 2006年第2期22卷 162-167页

作者： ahn So-young ROW Kyung-ho KIM Eun-ki School of Chemical and Biological Engineering Center for Advanced Bioseparation Technology Inha University Nam-Ku Incheon 402-751 Korea

Depigmenting agents were solvent-extracted and purified by preparative and analytical HPLC from three Chinese plants; Chrysanthemum morifolium Ramat（ Xizang Caijuhua）, Rhodiola sachalinensis, and Terminalia chebula Retzius. Four fractions obtained from the ethyl ether layer of C. m. Rama and two fractions from the ethyl acetate layer of Rhodiola salientness show depigmenting effects. At 8 200, the ethyl acetate layers of Chrysanthemum morifolium Ramat, Rhodiola sachalinensis and the methanol extract of Terminalia chebula Retzius, can inhibit the melanin production of mouse B16 melanoma cells by 92%, 60% and 90%, respectively, whereas 46% inhibition was observed by commercially available depigmenting agents（arbutin）. These results show the potential of these three Chinese plants as a novel resource for depigmenting agents in the cosmetic industry.

关键词： Chrysanthemum Morifolium Ramat Rhodiola Sachalinensis Terminalia Chebula Retzius Melanin Inhibitory Effect HPLC

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Role of transcription factor acetylation n the regulation of metabolic homeostasis

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Protein & Cell 2015年第11期6卷 804-813页

作者： Joo-Man Park Seong-ho Jo Mi-young Kim Tae-Hyun Kim Yong-ho ahn Department of Biochemistry and Molecular Biology Yonsei University College of Medicine 50-1 Yonsei-ro Seodaemun-gu Seoul 120-752 Republic of Korea Brain Korea 21 PLUS Project for Medical Sciences Yonsei University College of Medicine 50-1 Yonsei-ro Seodaemun-gu Seoul 120-752 Republic of Korea

Post-translational modifications （PTMs） of transcription factors play a crucial role in regulating metabolic homeostasis. These modifications include phosphory- lation, methylation, acetylation, ubiqulUnation, SUMOy- lation, and O-GIcNAcylation. Recent studies have shed light on the importance of lysine acetylation at nonhis- tone proteins including transcription factors. Acetyla- tion of transcription factors affects subcellular distribution, DNA affinity, stability, transcriptional activity, and current investigations are aiming to further expand our understanding of the role of lysine acetyla- tion of transcription factors. In this review, we summarize recent studies that provide new insights into the role of protein lysine-acetylation in the transcriptional regulation of metabolic homeostasis.

关键词： metabolic homeostasis transcriptionfactor post-translational modification type 2 diabetesmellitus

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Effect of carrier gas species on the microstructure and compressive deformation behaviors of ultra-strong pure copper manufactured by cold spray additive manufacturing

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Journal of Materials Science & Technology 2022年第2期97卷 264-271页

作者： young-Kyun Kim Kee-ahn Lee Department of Materials Science and Engineering Inha UniversityIncheon 22212Republic of Korea

Cold spray(CS)which has recently become a promising additive manufacturing(AM)technology,was used to fabricate ultra-strong pure *** addition,the effects of carrier gas species on the microstructural characteristics,mechanical properties and deformation mechanisms were systemically *** CSAM copper manufactured with N_(2) carrier gas reveals a heterogeneous bimodal microstructure consisting of ultra-fine grains at the particle interface and relatively coarse grains in inner *** He carrier gas,a homogeneous grain structure consisting of ultra-fine grains in most areas was *** tests showed that N_(2) and He carrier gasses enabled ultra-high yield strengths of 340 and415 MPa,*** values are comparable to severely plastic deformed copper,which has extremely low ductility and shape *** the other hand,both samples showed a strain-softening phenomenon that does not commonly occur at room *** deformation microstructures revealed that dynamic recovery(DRV)and dynamic recrystallization(DRX)phenomena were generated despite being deformed at room *** on the above findings,the overall deformation mechanisms according to the carrier gas species in the CSAM copper manufacturing process were ***,the work hardening and softening behaviors of CSAM Cu are predicted by using a constitutive equation.

关键词： Cold spray additive manufacturing Carrier gas Pure Cu Mechanical properties Deformation behavior

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Stabilized sub-grain and nano carbides-driven 1.2 GPa grade ultra-strong CrMnFeCoNi high-entropy alloy additively manufactured by laser powder bed fusion

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Journal of Materials Science & Technology 2022年第22期117卷 8-22页

作者： young-Kyun Kim Kee-ahn Lee Department of Materials Science and Engineering Inha UniversityIncheon 22212Republic of Korea Korea Institute of Materials Science(KIMS) Changwon 51508Republic of Korea

High-entropy alloys(HEAs)with interstitial atoms that are produced by additive manufacturing have gained intensive interest in the materials science community because of their suitability for constructing high-strength net-shape ***,a strategy to additionally enhance the strength of selective laser melted carbon-containing HEAs was *** as-built carbon-containing HEAs(C_(x)(Cr_(20)Mn_(20)Fe_(20)Co_(20)Ni_(20))_(100-x)(x=0.5 at.%,1.0 at.%,and 1.5 at.%))contain supersaturated carbon,and the extent of supersaturation increases as the carbon content *** subjected to aging treatment at 650°C for 1 h,the microstructure of the three alloys did not change at the grain ***,the microstructure at the sub-grain scale changed markedly,and these changes influenced the tensile properties and deformation *** particular,the tensile strength of aged 1.5C-HEA at 650°C was∼1.2 GPa at room temperature,which is higher than those reported for CrMnFeCoNi ***,the main deformation mechanism changed from deformation twinning to dislocation-mediated slip,resulting in much higher strain hardening capacity after the aging *** work led to the development of an alternative promising method that involves tailoring the microstructure,to enhance the mechanical properties of additively manufactured metallic materials that contain interstitial atoms.

关键词： Selective laser melting High-entropy alloy Carbon contents Aging Microstructure evolution Tensile property Deformation mechanism

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Effect of Ni and Mn on the Mechanical Properties of 22Cr Microduplex Stainless Steel

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Acta Metallurgica Sinica(English Letters) 2015年第1期28卷 32-38页

作者： Jun-young Park Yong-Sik ahn Department of Materials Science and Engineering Pukyong National University

The tensile properties of 22Cr–2Ni–4Mn–0.2N micro-duplex stainless steels with different Ni and Mn contents were investigated. Duplex stainless steels were vacuum induction melted and hot rolled, then annealed at 1,000–1,100 °C, at which temperature both the austenite and ferrite phases were stable. The volume fraction of the ferrite phase was markedly affected by the alloying elements of Mn and Ni; 1 wt% of Mn was equivalent to 0.4 wt% of Ni. All of the steels tested at room temperature showed the common strain-hardening behavior, while the steels tested at lower temperatures（-30 or-50 °C）showed a distinct inflection point in their stress–strain curves, which resulted from the transformation of the austenite to straininduced martensite. The onset strain（e0） of the inflection point in the stress–strain curve depended on the Md30 value of the steel. Testing at lower temperatures resulted in smaller e0 and consequently higher strengths and fracture strains（ef）. The tensile behavior was examined from the perspective of austenite stability of the micro-duplex stainless steels with the different Ni and Mn contents.

关键词： Duplex stainless steel Microstructure Mechanical property Alloy composition

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Tensor based non-photo realistic rendering for Korean architectural images

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Journal of Central South University 2014年第10期21卷 3805-3810页

作者： Do Kyung Shin Eun young ahn Deprtment of Computer Science and Engineering Hanyang University Deprtment of Communication Infromation & Computer Engineering Hanbat National University

Existing pen and ink sketch technologies can be applied to general images, but they could not produce optimal output for images of traditional architecture, because most images consist of exquisite straight lined patterns in traditional architecture, such as root tiles and window bars. The lines of roofs and eaves need to be described delicately to express pen and ink sketch most effectively. Therefore, by proposing a method to create white noise for light and shade of input images, to extract input vector directions from the white noise, and to determine the direction and length of stroke, a new expression technique is proposed for pen and ink sketch that could best reflect the characteristics of traditional architecture.

关键词： non-photo realistic rendering pen and ink sketch tensor

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