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Detection rate of clinically insignificant prostate cancer ncreases with repeat prostate biopsies

Asian Journal of Andrology 2013年第2期15卷 236-240,I0007页

作者： Bumsoo Park seong-Soo Jeon Sung-Ho Ju Byong-Chang Jeong seong-II Seo Hyun-Moo Lee Han-Yong choi Department of Urology Sungkyunkwan University School of Medicine Seoul 135-710 Korea institute for Refractory Cancer Research Samsung Medical Center Sungkyunkwan University School of Medicine Seou1135-710 Korea Department of Urology Kangnam General Hospital Yongin 446-597 Korea

To analyze if clinically insignificant prostate cancer （CIPC） is more frequently detected with repeat prostate biopsies, we retrospectively analyzed the records of 2146 men diagnosed with prostate cancer after one or more prostate biopsies. The patients were divided into five groups according to the number of prostate biopsies obtained, e.g, group I had one biopsy, group 2 had two biopsies and group 3 had three biopsies. Of the 2146 patients diagnosed with prostate cancer, 1956 （91,1%）, 142 （6.6%）, 38 （1.8%）, 9 （0.4%） and 1 （0.1%） men were in groups 1, 2, 3, 4 and 5, respectively. Groups 4 and 5 were excluded because of the small sample sizes. The remaining three groups （groups 1, 2 and 3） were statistically analyzed. There were no differences in age or prostate-specific antigen level among the three groups. CIPC was detected in 201 （10.3%）, 28 （19.7%） and 9 （23.7%） patients in groups 1, 2 and 3, respectively （P〈O.O01）. A multivariate analysis showed that the number of biopsies was an independent predictor to detect ClPC （0R=2.688 for group 2; 0R=4.723 for group 3）. In conclusion, patients undergoing multiple prostate biopsies are more likely to be diagnosed with CIPC than those who only undergo one biopsy. However, the risk still exists that the patient could have clinically significant prostate cancer. Therefore, when counseling patients with regard to serial repeat biopsies, the possibility of prostate cancer overdiagnosis and overtreatment must be balanced with the continued risk of clinically significant disease.

关键词： clinically insignificant prostate cancer (CIPC) clinically significant prostate cancer (CSPC) biopsy early detection ofcancer prostatic neoplasms

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T cell epitopes in SARS-CoV-2 proteins are substantially conserved in the Omicron variant

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Cellular & Molecular Immunology 2022年第3期19卷 447-448页

作者： seong Jin choi Dong-Uk Kim Ji Yun Noh Sangwoo Kim Su-Hyung Park Hye Won Jeong Eui-Cheol Shin Division of Infectious Disease Department of Internal MedicineSeoul National University HospitalSeoulRepublic of Korea Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology(KAIST)DaejeonRepublic of Korea Division of Infectious Diseases Department of Internal MedicineKorea University College of MedicineSeoulRepublic of Korea Department of Biomedical Systems Informatics Graduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of MedicineSeoulRepublic of Korea Department of Internal Medicine Chungbuk National University College of MedicineCheongjuRepublic of Korea The Center for Viral Immunology Korea Virus Research InstituteInstitute for Basic Science(IBS)DaejeonRepublic of Korea

In November 2021,the Omicron variant(B.1.1.529)emerged and was designated a variant of concern(VOC)by the World Health ***,Omicron was reported to extensively escape neutralizing antibodies elicited by COVID-19 vaccination or natural infection[1,2,3].However,whether Omicron evades the T cell immunity elicited by COVID-19 vaccination or natural infection remains to be *** address this issue,we analyzed the amino acid sequences of T cell epitopes identified from the original SARS-CoV-2 strain(Wuhan-Hu-1)in the Omicron variant(hCoV-19/South Africa/CERI-KRISP-K032284/2021).

关键词： neutral conserved elucidated

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A novel IRAK4/PIM1 inhibitor ameliorates rheumatoid arthritis and lymphoid malignancy by blocking the TLR/MYD88-mediated NF-κB pathway

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Acta Pharmaceutica Sinica B 2023年第3期13卷 1093-1109页

作者： Sae-Bom Yoon Hyowon Hong Hee-Jong Lim Ji Hye choi Yoon Pyo choi seong Wook Seo Hyuk Woo Lee Chong Hak Chae Woo-Kyu Park Hyun Young Kim Daeyoung Jeong Tran Quang De Chang-Seon Myung Heeyeong Cho Therapeutics&Biotechnology Division Korea Research Institute of Chemical TechnologyYuseong-guDaejeon 34114Republic of Korea Department of Pharmacology Chungnam National University College of PharmacyYuseong-guDaejeon 34134Republic of Korea Future Medicine Co. Ltd.Rm616 LH-Business Growth CenterSeongnamGyeonggido 13449Republic of Korea Department of Chemistry College of Natural SciencesCan Tho UniversityCan Tho city 9000Viet Nam

Interleukin-1 receptor-associated kinase 4(IRAK4)is a pivotal enzyme in the Toll-like receptor(TLR)/MYD88 dependent signaling pathway,which is highly activated in rheumatoid arthritis tissues and activated B cell-like diffuse large B-cell lymphoma(ABC-DLBCL).Inflammatory responses followed by IRAK4 activation promote B-cell proliferation and aggressiveness of ***,proviral integration site for Moloney murine leukemia virus 1(PIM1)functions as an anti-apoptotic kinase in propagation of ABC-DLBCL with ibrutinib *** developed a dual IRAK4/PIM1 inhibitor KIC-0101 that potently suppresses the NF-κB pathway and proinflammatory cytokine induction in vitro and in *** rheumatoid arthritis mouse models,treatment with KIC-0101 significantly ameliorated cartilage damage and ***-0101 inhibited the nuclear translocation of NF-κB and activation of JAK/STAT pathway in *** addition,KIC-0101 exhibited an anti-tumor effect on ibrutinib-resistant cells by synergistic dual suppression of TLR/MYD88-mediated NF-κB pathway and PIM1 *** results suggest that KIC-0101 is a promising drug candidate for autoimmune diseases and ibrutinib-resistant B-cell lymphomas.

关键词： Drug discovery IRAK4 PIM1 NF-κB pathway Rheumatoid arthritis ABC-DLBCL Ibrutinib resistance Dual inhibitor

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Aralia elata inhibits neurodegeneration by downregulating O-GlcNAcylation of NF-κB in diabetic mice

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International Journal of Ophthalmology(English edition) 2017年第8期10卷 1203-1211页

作者： seong-Jae Kim Min-Jun Kim Mee- Young Ckoi Yoon-Sook Kim Ji-Myong Yoo Eun-Kyung Hong Sunmi Ju Wan-Sung choi Department of Ophthalmology School of MedicineGyeongsang National University Jinju 52727 Korea Department of Anatomy and Convergence Medical Science School of Medicine Gyeongsang National University Jinju52727 Korea Institute of Health Science Gyeongsang National UniversityJinju 52727 Korea Medvill Co. Ltd. Seoul 08511 Korea Division of Pulmonology and Allergy Department ofInternal Medicine School of Medicine Gyeongsang NationalUniversity Jinju 52727 Korea

AIM： To investigate the role of O-GIcNAcylation of nuclear factor-kappa B （NF-KB） in retinal ganglion cell （RGC） death and analysedthe effect of Aralia elata （AE） on neurodegen- eration in diabetic mice. METHODS： C57BL/6mice with streptozotocin-induced diabetes were fed daily with AE extract or control （CTL） diet at the onset of diabetes mellitus （DM）. Two months af- tar injection of streptozotocin or saline, the degree of cell death and the expression of O-GIcNAc transferase （OGT）, N-acetyl-b-D-glucosaminidase （OGA）, O-GIcNAcylated pro- teins, and O-GIcNAcylation of NF-KB were examined. RESULTS： AE did not affect the metabolic status of diabetic mice. The decrease in the inner retinal thickness （P〈0.001 vs CTL, P〈0.01 vs DM） and increases in RGCs with terminal deoxynucleotidyl transferase-mediated dUTP nick end labelling （P〈0.001 vs CTL, P〈0.0001 vs DM）, glial activation, and active caspase-3 （P〈0.0001 vs CTL, P〈0.0001 vs DM） were blocked in diabetic retinas of AE extract-fed mice. Expression levels of protein O-GIcNAcylation and OGT were increased in diabetic retinas （P〈0.0001 vs CTL）, and the level of O-GIcNAcylation of the NF-KB p65 subunit was higher in diabetic retinas than in controls （P〈0.0001 vs CTL）. AE extract downregulated O-GIcNAcylation of NF-KB and prevented neurodegeneration induced by hyperglycemia （P〈0.0001 vs DM）. CONCLUSION： O-GIcNAcylation of NF-KB is concerned in neuronal degeneration and that AE prevents diabetes-in- duced RGC apoptosis via downregulation of NF-KB O-GI- cNAcylation. Hence, O-GIcNAcylation may be a new object for the treatment of DR, and AE may have therapeutic pos- sibility to prevent diabetes-induced neurodegeneration.

关键词： Aralia elata diabetic retinopathy neurode- generation nuclear factor-kappa B O-GlcNAc O-GlcNAc transferase mice

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Texture tailoring and bendability improvement of rolled AZ31 alloy using {10-12} twinning: The effect of precompression levels

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Journal of Magnesium and Alloys 2019年第4期7卷 648-660页

作者： Jong Un Lee Ye Jin Kim Sang-Hoon Kim Jeong Hun Lee Min-seong Kim Shi-Hoon choi Byoung Gi Moon Young Min Kim Sung Hyuk Park School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea Ulsan Regional Division Korea Institute of Industrial TechnologyUlsan 44413Republic of Korea Department of Printed Electronics Engineering Sunchon National UniversitySuncheonJeonnam 57922Republic of Korea Implementation Research Division Korea Institute of Materials ScienceChangwon 51508Republic of Korea

In this study,the texture of a rolled Mg alloy is effectively modified through the application of precompression and subsequent annealing treatment,leading to a remarkable improvement in the bending formability of the alloy at room *** induces lattice reorientation through{10-12}twinning,and annealing treatment reduces the stored strain energy of the precompressed material,which results in the formation of a stable grain structure with two dominant texture *** an increase in precompression,the tensile strain in the outer region of the bending samples is accommodated to a greater extent due to more pronounced{10-12}twinning and basal *** a result,the bending formability of the material at room temperature improves with greater *** variation in microstructure,texture,and bending behavior in relation to the degree of precompression is discussed in detail.

关键词： Magnesium Bending Formability Twinning Texture

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Relationship between physicochemical characteristics of Korean wheat flour and quality attributes of steamed bread

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Journal of Integrative Agriculture 2019年第11期18卷 2652-2663页

作者： Ji-Eun Kim Byung-Kee Baik Chul Soo Park Jae-Han Son Chang-Hyun choi Youngjun Mo Tae-Il Park Chon-Sik Kang seong-Woo Cho Department of Crop Science&Biotechnology Chonbuk National UniversityJeonju 54896Korea USDA-ARS CSWQRU Soft Wheat Quality LaboratoryWoosterOH 44691USA National Institute of Crop Science Rural Development AdministrationWanju 55365Korea

The purpose of this study is to identify major factors affecting the manufacture and quality of steamed bread,consumed in Southeast Asia including China,Japan,and ***,flours of 11 Korean wheat cultivars were used to evaluate quality attributes of two different styles of steamed bread,Korean style steamed bread(KSSB)and northern-style Chinese steamed bread(NSCSB).KSSB prepared more ingredients and higher optimum water absorption of dough than NSCSB because Korean consumers prefer white and glossy surface and soft *** showed lower height,larger diameter and volume of steamed bread,higher stress relaxation,and softer texture of crumb than *** correlation between flour characteristics and quality of steamed bread was different in KSSB and *** 90%of variability in the height and volume of KSSB could be predicted from protein content,mixing tolerance of Mixograph,average particle size of flour,final viscosity and solvent retention *** content and quality parameters also could explain the variation of steamed bread height in *** wheat carrying Glu-A3c allele produced higher volume of steamed bread(704.7 mL)than Glu-A3d allele(645.8 mL)in KSSB,although there was no significant difference in volume of NSCSB by glutenin ***-D1d and Glu-A3c alleles had softer texture of crumb than Glu-D1f and Glu-A3d alleles in KSSB,Glu-B3i allele also showed lower hardness of crumb than their counterpart allele in *** wheat showed higher height and volume of steamed bread,and lower stress relaxation and hardness of crumb than soft wheat in KSSB.

关键词： steamed bread quality wheat flour evaluation

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Effect of Liquid Pig Manure and Chemical Fertilizers on Shoot Growth and Nitrogen Status of Young “Fuyu” Persimmon Trees

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Journal of Agricultural Chemistry and Environment 2017年第3期6卷 144-151页

作者： seong-Tae choi Gwang-Hwan Ahn seong-Cheol Kim Eun-Seok Kim Sweet Persimmon Research Institute Gyeongsangnam-Do Agricultural Research and Extension Services Gimhae Republic of Korea

Liquid pig manure (LPM), digested from pig slurry, has been used as a nutrient source substituting chemical fertilizer (CF) for some crops. This experiment was conducted to evaluate the effect of different levels of CF and LPM in early July on nitrogen (N) uptake of pot-grown young “Fuyu” persimmon (Diospyros kaki). The total N and potassium (K) from CF and LPM applied to a 3 L pot were 1.2 g N and 1.15 g K for the low and 2.4 g N and 2.3 g K for the high level. From 2 weeks after the applications, secondary shoots started to grow for the CF but none for the LPM. Two nutrient sources did not significantly affect the amount of N increase in different tree parts from July 1 to August 6. At the high level, tree total N increased by 80% from 551 mg for the CF and by 31% from 583 mg for the LPM. The nutrient sources did not affect soil pH. The soil that received LPM contained more organic matter (P = 0.048), available phosphorus (P) (P = 0.002), and exchangeable K+ (P = 0.001) and Mg2+ (P = 0.009) than the soil that received CF on August 6. These results indicated that N in LPM becomes available later but its effect is more durable than CF.

关键词： Liquid Pig Manure Persimmon Shoot Growth Nitrogen Uptake Nitrogen Par-tition

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Recurrence after endoscopic piecemeal mucosal resection for large sessile colorectal polyps

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World Journal of Gastroenterology 2010年第22期16卷 2806-2811页

作者： Guh Jung Seo Dae Kyung Sohn Kyung Su Han Chang Won Hong Byung Chang Kim Ji Won Park Hyo seong choi Hee Jin Chang Jae Hwan Oh Center for Colorectal Cancer Research Institute and Hospital National Cancer Center

AIM: To evaluate the safety and outcomes of endoscopic piecemeal mucosal resection (EPMR) for large sessile colorectal polyps. METHODS: The patients enrolled in this study were 47 patients with 50 large sessile polyps (diameter, 2 cm or greater) who underwent EPMR using a submucosal saline injection technique between December 2002 and October 2005. All medical records, including characteristics of the patients and polyps, complications, and recurrences, were retrospectively reviewed. The first follow-up endoscopic examination was performed at 3-6 mo after initial endoscopic resection, and the second at 12 mo postEPMR. Subsequent surveillance colonoscopic examinations were individualized, taking risk factors into account. RESULTS: The patients were 23 men and 24 women,with a mean age of 60 years. Mean polyp size was 30.1 mm. Of 50 polyps identified, 34 (68%) were benign and 16 (32%) were malignant. There were 6 (12%) cases with EPMR-related bleeding: 5 intra-procedural and 1 early post-procedural bleeding. All bleeding episodes were managed by endoscopic clipping or argon beam coagulation. There were no perforations. Recurrence was identified in 5 cases (12.2%): 4 local recurrences detected at 3 mo post-EPMR and 1 local recurrence detected at 14 mo post-EPMR. The recurrence rate after EPMR was 3.1% for benign polyps and 33.3% for malignant polyps (P < 0.05). Median follow-up time was 37 mo. CONCLUSION: EPMR is safe, but should be applied carefully in malignant polyps. Close follow-up endoscopic examinations are necessary for early detection of recurrence.

关键词： Colonoscopy Colorectal neoplasm Endoscopic piecemeal mucosal resection Large sessile polyps

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Effect of PAIP1 on the metastatic potential and prognostic significance in oral squamous cell carcinoma

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International Journal of Oral Science 2022年第1期14卷 113-122页

作者： Neeti Swarup Kyoung-Ok Hong Kunal Chawla Su-Jung choi Ji-Ae Shin Kyu-Young Oh Hye-Jung Yoon Jae-Il Lee Sung-Dae Cho seong-Doo Hong Department of Oral Pathology School of Dentistry and Dental Research InstituteSeoul National UniversitySeoulRepublic of Korea Department of Computer Science School of Interactive ComputingGeorgia Institute of TechnologyAtlantaGAUSA

Poly Adenylate Binding Protein Interacting protein 1(PAIP1) plays a critical role in translation initiation and is associated with the several cancer types. However, its function and clinical significance have not yet been described in oral squamous cell carcinoma(OSCC) and its associated features like lymph node metastasis(LNM). Here, we used the data available from Gene Expression Omnibus(GEO), The Cancer Genome Atlas(TCGA), and Clinical Proteomic Tumor Analysis Consortium(CPTAC) to analyze PAIP1 expression in oral cancer. The publicly available data suggests that PAIP1 mRNA and protein levels were increased in OSCC. The high PAIP1 expression was more evident in samples with advanced stage, LNM, and worse pattern of invasion. Moreover, the in vitro experiments revealed that PAIP1 knockdown attenuated colony forming, the aggressiveness of OSCC cell lines, decreasing MMP9 activity and SRC phosphorylation. Importantly, we found a correlation between PAIP1 and pSRC through the analysis of the IHC scores and CPTAC data in patient samples. Our findings suggest that PAIP1 could be an independent prognostic factor in OSCC with LNM and a suitable therapeutic target to improve OSCC patient outcomes.

关键词： squamous invasion metastasis

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Intrauterine midgut volvulus without malrotation:Diagnosis from the 'coffee bean sign'

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World Journal of Gastroenterology 2008年第9期14卷 1456-1458页

作者： Jun Seok Park seong Jae Cha Beom Gyu Kim Yong Seok Kim Yoo Shin choi In Taik Chang Gwang Jun Kim Woo Seok Lee Gi Hyeon Kim Department of Surgery College of MedicineChung-Ang University Seoul 156-755Korea Department of Obstetrics and Gynecology College of Medicine Chung-Ang UniversityKorea Department of Radiology College of Medicine Chung-Ang University Seoul 156-755Korea

Fetal midgut volvulus is quite rare, and most cases are associated with abnormalities of intestinal rotation or fixation. We report a case of midgut volvulus without malrotation, associated with a meconium pellet, during the gestation period. This 2.79 kg, 33-wk infant was born via a spontaneous vaginal delivery caused by preterm labor. Prenatal ultrasound showed dilated bowel loops with the appearance of a 'coffee bean sign'. This patient had an unusual presentation with a distended abdomen showing skin discoloration. An emergency laparotomy revealed a midgut volvulus and a twisted small bowel, caused by complicated meconium ileus. Such nonspecific prenatal radiological signs and a low index of suspicion of a volvulus during gestation might delay appropriate surgical management and result in ischemic necrosis of the bowel. Preterm labor, specific prenatal sonographic findings (for example, the coffee bean sign) and bluish discoloration of the abdominal wall could suggest intrauterine midgut volvulus requiring prompt surgical intervention.

关键词： Midgut volvulus Coffee bean sign Meconium ileus

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