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Is there a correlation between the outcome of transurethral resection of prostate and preoperative degree of bladder outlet obstruction？

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Asian Journal of Andrology 2012年第4期14卷 556-559页

作者： Mi Mi Oh Jin Wook Kim Je long Kim du geon moon Department of Urology Korea University Medical Center Seou1435-766 Korea Department of Urology Korea University Medical Center and Korea University Institute of Regenerative Medicine Seeu1435-766 Korea

To compare the impact of transurethral resection of prostate （TURP） on symptom scores and maximal flow rates （Qmax） in patients with equivocal bladder outlet obstruction （BOO） and definite BOO and to assess the relationship between the surgical outcomes and degree of preoperative BOO, we prospectively evaluated men with lower urinary tract symptoms and bladder outlet obstruction index （BOO1） greater than 20, who were refractory to conventional medical treatment and underwent TURP. Urodynamic evaluation, International Prostate Symptom Score （IPSS）, uroflowmetry, post-void residual volume （PVR） check and transrectal ultrasound were performed. 20〈B001〈40 was defined as equivocal BOO and BOO1 〉~40 as definite BOO. Changes of IPSS, Qmax, PVR and correlation analysis was performed between the degree of improvement of Qmax, subdomains of I PSS and BOO1. Fifty-four patients showed equivocal BOO and 80 patients showed definite BOO. Preoperatively equivocal BOO group and definite BOO group showed significant differences in maximal bladder capacity and prevalence of detrusor overactivity, whereas no difference was noted in prostate volume. Postoperatively both groups showed improvements in Qmax, obstructive （IPSSO） and irritative （IPSSI） subdomain of IPSS, but the degree of improvement in Qmax and IPSSI subdomain was statistically significantly greater in definite BOO group. The degree of improvement of Qmax and IPSSI showed weak correlation with preoperative BOO1. As a weak correlation was identified between preoperative degree of BOO and outcome of TURP, other factors other than BOO1 such as severity of patients＇ symptoms should be considered in deciding treatment modality.

关键词： bladder outlet obstruction bladder outlet obstruction index International Prostate Symptom Scores

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nfluence of paradoxical sleep deprivation and sleep recovery on testosterone level in rats of different ages

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Asian Journal of Andrology 2012年第2期14卷 330-334页

作者： Mi Mi Oh Jin Wook Kim Myeong Heon Jin Je Jong Kim du geon moon Department of Urology Korea University Medical Center Seou1435-766 Korea Department of Urology Korea University Medical Center and Korea University Institute of Regenerative Medicine Seou1435-766 Korea

This study was performed to assess serum testosterone alterations induced by paradoxical sleep deprivation （PSD） and to verify their attenuation during sleep recovery （SR） based on different durations and ages. Wistar male rats aged 12 weeks for the younger group and 20 weeks for the elder group were randomly distributed into one of the following groups： a control group （cage and platform）, 3-day SD, 5-day SD, 7-day SD, 1-day SR, 3-day SR and 5-day SR groups. For PSD, the modified multiple platform method was used to specifically limit rapid eye movement （REM） sleep. Differences in the testosterone and luteinizing hormone levels between the younger group and the elder group according to duration of PSD and SR recovery were analysed. Testosterone continued to fall during the sleep deprivation period in a time-dependent manner in both the younger （P=-0.001, correlation coefficient r=-0.651） and elder groups （P=0.001, correlation coefficient r=-0.840）. The elder group showed a significantly lower level of testosterone compared with the younger group after PSD. Upon SR after 3 days of PSD, the testosterone level continued to rise for 5 days after sleep recovery in the younger group （P=0.013）, whereas testosterone concentrations failed to recover until day 5 in the elder group. PSD caused a more detrimental effect on serum testosterone in the elder group compared to the younger group with respect to decreases in luteinizing hormone （LH） levels. The replenishment of serum testosterone level was prohibited in the elder group suggesting that the effects of SD/SR may be age-dependent. The mechanism by which SD affects serum testosterone and how age may modify the process are still unclear.

关键词： luteinizing hormone paradoxical sleep deprivation recovery testosterone

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The effect of diet-induced insulin resistance on DNA methylation of the androgen receptor promoter in the penile cavernosal smooth muscle of mice

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Asian Journal of Andrology 2013年第4期15卷 487-491,I0007页

作者： Jin-Wook Kim Mi-Mi Oh Cheol-Yong Yoon Jae-Hyun Bae Je-Jong Kim du-geon moon Department of Urology Korea University Medical Center Guro Hospital Seou1152-703 Korea and Department of Urology Korea University College of Medicine Seou1152 703 Korea

Population studies have suggested an association between diabetes and the symptoms of testosterone deficiency. Recently, the expression of the androgen receptor （AR） has been shown to be decreased in diabetic patients. Furthermore, diabetes has been shown to induce global methylation. In this study, we used an animal model to investigate whether diabetes results in increased methylation of the AR promoter and whether these changes are associated with the decreased expression of AR in penile cavernosal smooth muscle tissue. Twenty C57BL/6J mice were divided into two groups, receiving either high- （mature diabetic） or low- （mature control） caloric meals for 14 weeks. Another 10 mice were killed at 1 week （young control）. Animals in the mature diabetic group showed decreased testosterone levels, although this was not statistically significant. In both control groups, no significant methylation was observed in the AR promoter region CpG island （-85 to ＋339）. In the mature diabetic group, significant methylation was observed at ＋ 185 and ＋200 of the AR promoter. These changes were associated with increased homeostatic model assessment for insulin resistance （HOMA-IR） and decreased corpus cavernosal tissue mass and expression of AR mRNA and protein. We conclude that in these animals, insulin resistance increased the methylation of the GC-rich regions of the AR promoter, leading to decreased AR expression.

关键词： androgen receptor (AR) diabetes DNA methylation

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Efficacy and safety of newly developed cross-linked dextran gel injection for glans penis augmentation with a novel technique

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Asian Journal of Andrology 2018年第1期20卷 80-84页

作者： Dae Yul Yang Kyungtae Ko Seong Ho Lee du geon moon Jong Wook Kim Won Ki Lee Department of Urology College of Medicine Hallym University Chuncheon Korea Department of Urology College of Medicine Korea University Seoul Korea.

There is no safe and effective standard method for glans penis augmentation. Furthermore, there has been scant research on glans penis augmentation due to a poor understanding of glans anatomy, technical difficulty, and a lack of suitable substances for augmentation. Cross-linked dextran gel is a newly developed filler for soft-tissue augmentation. We evaluated the efficacy and safety of using a novel technique to inject cross-linked dextran gel for glans penis augmentation during a 24-week follow-up study. This prospective, single-arm, multicenter study enrolled twenty healthy adult men who underwent glans penis augmentation between June and August 2013. Cross-linked dextran gel was injected into the glans penis using a simple and easy technique. The sizes of the glans penis and individual satisfaction were assessed. Any adverse event was also reported. A total of 18 individuals were analyzed; two of them were lost to follow-up. The mean procedure time and injected volume were about 30 rain and 6.6 ＋- 0.9 ml, respectively. The mean surface areas of the glans at baseline and 24 weeks were 20.0 _＋ 3.5 cm2 and 33.6 -＋ 5.4 cm2, respectively, representing a mean increase of 68.7% _＋ 14.0% （P 〈 0.001）. Sixteen individuals （88.9%） were satisfied with the outcomes, and none were dissatisfied. There were no serious adverse events during the study. Cross-linked dextran gel injection for glans penis augmentation was easy and showed a significant augmentative effect on the glans penis, good durability, and was well tolerated without serious adverse events. Therefore, cross-linked dextran gel injection may be an effective, new technique for glans penis augmentation.

关键词： cosmetic technique dermal fillers dextran glans penis

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Sexual function and psychological characteristics ofpenile paraffinoma

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Asian Journal of Andrology 2003年第3期5卷 191-194页

作者： du geon moon Jeong Woo Yoo Jae Hyun Bae Chang Su Han Yong Ku Kim Je Jong Kim Department of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 KoreaDepartment of Psychiatry Korea University College of Medicine Seoul 136705 KoreaDepartment of Psychiatry Korea University College of Medicine Seoul 136705 KoreaDepartment of Urology Korea University College of Medicine Seoul 136705 Korea

Aim: To identify the sexual, emotional and psychological status of men who augmented their penis with mineral oil injection for their small penis. Methods: Men who had penile paraffin were asked to answer the semi-structured questionnaire. The questionnaire was designed to assess the motivation, method of penile injection, changes in erectile function and satisfaction after penile injection. SCL (Symptom checklist)-90-R, STAI (State and Trait Anxiety Inventory) and Zung SDS (Self-rating depression scale) were also included in the questionnaire for psychological evaluation. Results: A total of 357 men completed the questionnaire. The first-ranked motivation of the injection was recommendation by their acquaintances (48.9 %). The majority of the respondents had the procedure by non-medical person (78.0 %). Before injection, 17.2 % had a sense of inferiority in their penis and 32 % worried about their weak erectile function. After injection, 33.0 % have found relief from their sense of inferiority and 17.8 % wish to feel improvement in their erectile function. Most of the respondents (91 %) were not satisfied with their penis and 74 % of them replied that they want to remove the injected material. Only 15.6 % did not experience side effects. Most of the subjects have suffered from various side effects such as inflammation, skin necrosis, pain, etc. No evidence of psychiatric pathology was found in psychological evaluation. Conclusion: The motivations of mineral oil injection were recommendation by their acquaintances or desire to be more mannish. Most of them had suffered from various side effects and only a small number of them felt improvement in their sense of inferiority, in their penis and erectile function. Increased public awareness is needed for the prevention of this physically and psychologically debilitating problem.

关键词： paraffinoma penis augmentation psychology

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Effect of tamsulosin on ejaculatory function in BPH/LUTS

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Asian Journal of Andrology 2011年第6期13卷 846-850页

作者： Sang Hoon Song Hwancheol Son Kwang Taek Kim Sae Woong Kim du geon moon Ki Hak moon Kwangsung Park Jong Kwan Park Sung-Won Lee Jae Seog Hyun Nam Cheol Park Jeungpyung Health Center Jeungpyung-gun Chungbuk 368-900 Korea Department of Urology Seoul Metropolitan Boramae Hospital Seoul 156-707 Korea Aerospace Medical Center Cheongwon Chungbuk 363-840 Korea Catholic University of Korea College of Medicine Seoul 137-701 Korea Korea University College of Medicine Seoul 152-703 Korea Department of Urology Yeungnam University College of Medicine Daegu 705-717 Korea Department of Urology Chonnam National University Medical School Gwangju 501-757 Korea Department of Urology Medical School and Institute for Medical Sciences Chonbuk National University Chonbuk 561-712 Korea Research Institute of Clinical Medicine and CTC for Medical Device of Chonbuk National University Hospital Chonbuk 561-712 Korea Samsung Medical Center Sungkyunkwan University School of Medicine Seoul 135-710 Korea Gyeongsang National University Gyeongnam 660-702 Korea pusan National University College of Medicine Pusan 602-739 Korea

This study was undertaken to determine the impact on ejaculatory function of tamsulosin （0.2 mg） given once daily （OD） for 12 weeks and to identify risk factors for ejaculatory dysfunction in patients undergoing this treatment. Males with an International Prostatic Symptom Score （IPSS） ≥ 8 were enrolled in this study. All participants completed questionnaires, including the IPSS and the Male Sexual Health Questionnaire （MSHQ）, and serum prostate-specific antigen, transrectal ultrasound and uroflowmetry with post-void residual were measured. After initiating 0.2 mg OD tamsulosin, patients were re-evaluated on the fourth and twelfth weeks of medication. The chi-squared test, the independent t-test and one-way ANOVA were used to compare means. Binary logistic regression analysis was used to calculate the odds ratio for all risk factors. A total of 177 men constituted the study cohort. No significant difference was observed between baseline and follow-up for the erectile function, ejaculatory function, satisfaction, sexual activity and desire domains （EFD, EjFD, SDA and ADD） or for erectile or ejaculatory bother mean scores. After 12 weeks, the overall incidence of ejaculatory dysfunction （EjD） was 13.4%. Incidences of the seven different types of EjD （decreased frequency, delay, dryness, decreased strength/force, decreased volume, decreased pleasure and pain at ejaculation） were 2.4%, 3.1%, 3.9%, 3.9%, 6.3%, 7.1% and 3.1%, respectively. Baseline EjFD scores were higher for I PSS responders than for non-responders （26.09 vs. 24.06, P=0.03）. An EjFD score reduction was more frequent in IPSS responders. The incidence of EjD was small, but not negligible and was more frequent in patients with less lower urinary tract symptoms, a smaller prostate, higher baseline MSHQ totals and higher EjFD scores.

关键词： alpha-1 adrenergic receptors benign prostatic hyperplasia ejaculation lower urinary tract symptom Male Sexual HealthQuestionnaire prostatic hyperplasia tamsulosin

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The biochemical efficacy of primary cryoablation combined with prolonged total androgen suppression compared with radiotherapy on high-risk prostate cancer： a 3-year pilot study

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Asian Journal of Andrology 2010年第6期12卷 827-834页

作者： Young Hwii Ko Seok Ho Kang Young Je Park Hong Seok Park du geon moon Jeong Gu Lee duck Ki Yoon Je Jong Kim Jun Cheon Department of Urology MIS ＆ Robotic Urologic Surgery Centre Korea University School of Medicine Seoul 136-705Korea Department of Radiation Oncology Korea University School of Medicine Seoul 136-705 Korea

To gain beneficial effects in the management of high-risk prostate cancer, an integrated approach that combines local therapy and androgen deprivation therapy （ADT） was used. We compared biochemical responses between primary cryosurgical ablation of the prostate （CSAP） combined with prolonged ADT and radiation combined with ADT, which is the established modality in high-risk disease. A total of 33 high-risk patients received CSAP combined with ADT for 3 months before and up to 24 months after treatment. This patient group was matched with another 33 patients who had undergone three-dimensional conformal radiation therapy （3D-CRT） with the same protocol for ADT. Biochemical recurrence （BCR） was assessed by the American Society for Therapeutic Radiation Oncology （ASTRO） definition, the Phoenix definition and a prostate-specific antigen （PSA） cutoff of 0.5 ng mL^-1. Median follow-up was 61.0 ± 11.9 months for the CSAP ＋ ADT group and 86.0±15.8 months for the 3D-CRT ＋ ADT group. In the CSAP group, major complications including rectourethral fistula and incontinence were not noted. In the CSAP ＋ ADT group, 57.0% had BCR using the ASTRO definition, 21.2% using the Phoenix definition and 54.5% using a PSA cutoff of 0.5 ng mL^-1. In the 3D-CRT ＋ ADT group, 54.5%, 21.2% and 54.5% had BCR using the ASTRO, Phoenix and PSA definition, respectively. In the CSAP ＋ ADT group, the BCR-free survival （BRFS） was 54 ± 10 months using the ASTRO definition, 65 ± 5 months using the Phoenix definition and 51 ± 4 months using a PSA cutoff of 0.5 ng mL-1. In the 3D-CRT ＋ ADT group, the BRFS was 68 ± 12, 93 ± 19 and 70 ± 18 months using the ASTRO, Phoenix and PSA definition, respectively. By the log-rank test, the BRFS values for each group were not statistically different. This intermediate-term result indicated that primary CSAP combined with prolonged ADT offers a parallel biochemical response compared with radiotherapy in high-risk prostate cancer.

关键词： androgen ablation therapy cryoablation for the prostate radiotherapy

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Prevalence of premature ejaculation in young and middle-aged men in Korea： a multicenter intemet-based survey from the Korean Andrological Society

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Asian Journal of Andrology 2010年第6期12卷 880-889页

作者： Hyun Jun Park Jong Kwan Park Kwangsung Park Sung Won Lee Sae-Woong Kim Dae Yul Yang du geon moon Kweon-Sik Min Ki-Hak moon Sang-Kuk Yang Jae Seog Hyun Nam Cheol Park Deparment of Urology Pusan National University School of medicine Busan 602739 Korea Deparment of Urology Chonbuk National University Medical School Jeonju 561712 Korea Deparment of Urology Chonnam National University Medical School Gwangju 501746 Korea Deparment of Urology Sungkyunkwan Univer＆ty School of Medicine Seou1135 710 Korea Deparment of Urology Catholic University College of Medicine Seoul 137701 Korea Deparment of Urology Hallym University College of Medicine Seoul 13 7701 Korea Deparment of Urology Korea University College of Medicine Seoul 152703 Korea Deparment of Urology lnje University College of Medicine Busan 614735 Korea Deparment of Urology Yeungnam University College of Medicine Daegu 705717 Korea Deparment of Urology Konkuk University School of Medicine Chungju 380704 Korea Deparment of Urology Gyeongsang National University School of Medicine Jinju 660702 Korea

In this study, we aimed to investigate the prevalence and perception of premature ejaculation （PE） in young and middle-aged Korean men. The study was conducted using an Internet-assisted questionnaire. A total of 2 037 Korean male adults, aged 20 years or older, were randomly sampled based on age and residency. The questionnaire developed by the PE Study Group of the Korean Andrological Society includes four categories （overall sexual function, symptoms, distress and treatment） with a total of 16 questions. For each question, symptoms were evaluated by a scale ranging from 0 to 10. Intravaginal ejaculation latency time was ‘5-10 min＇ in 38.6%, followed by ‘longer than 10 min＇ in 2919%, ‘2-5 min＇ in 23.6%, ‘1-2 min＇ in 5.4% and ‘shorter than 1 min＇ in 2.5%. In our series, 27.5% of respondents reported having PE. Control over ejaculation within a recent 3-month period was 6.2 points on average. Respondent complaints of PE-related stress averaged 7.1 points and stress-related complaints from sexual partners averaged 7.1 points. The effect of PE on sexual life was 6.8 points. Of the respondents determined as having PE, 42.6% responded that they were inclined to receive treatment. Results from this study suggest that the prevalence of PE diagnosed by the respondent on his own was approximately 27.5% in young and middle-aged men in Korea. PE-related stress had a significant effect on the stress, sexual activity and quality of life of the respondent and his sexual partner.

关键词： epidemiology premature ejaculation questionnaire sexual dysfunction

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Extragastrointestinal stromal tumor presenting as a scrotal mass： an unusual case

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Asian Journal of Andrology 2007年第2期9卷 275-279页

作者： Seok-Ho Kang Myung-Joon Kim Min-Gu Park Hong-Seok Park du-geon moon Deuk-Jae Sung Hyun-Chul Kim Yang-Seok Chae Jun Cheon Je-Jong Kim Department of Urology Korea University School of Medicine Seoul 136-705 Korea Department of Radiology Korea University School of Medicine Seoul 136-705 Korea Department of Pathology Korea University School of Medicine Seoul 136-705 Korea

We describe an unusual case of extragastrointestinal stromal tumor （EGIST） presenting as a scrotal mass. A 71- year-old man presented with a gradually enlarging scrotal mass with a 20-year duration. Physical examination re vealed a huge （as large as volleyball）, round, nontender mass occupying the whole scrotum, which was resected completely. Clinical and radiological findings did not comply with any other primary site disease. Under histological examination, the tumor showed a spindle cell pattern with low cellularity, absence of necrotic and mitotic features. Immunohistochemical anlaysis revealed the tumor reactive for CD117 and CD34, while negative for smooth muscle actin, desmin and S-100 protein. To our knowledge, this is the first reported case of an EGIST involving the scrotum.

关键词： extragastrointestinal stromal tumor scrotum immunohistochemistry

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The processed C-terminus of AvrRps4 effector suppresses plant immunity via targeting multiple WRKYs

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Journal of Integrative Plant Biology 2024年第8期66卷 1769-1787页

作者： Quang-Minh Nguyen Arya Bagus Boedi Iswanto Hobin Kang Jiyun moon Kieu Anh Thi Phan geon Hui Son Mi Chung Suh Eui-Hwan Chung Walter Gassmann Sang Hee Kim Division of Applied Life Science(BK21 Four Program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea Department of Life Science Sogang UniversitySeoul 04107Korea Department of Plant Biotechnology Korea UniversitySeoul 02841Korea Division of Plant Science and Technology Christopher S.Bond Life Sciences Center and Interdisciplinary Plant GroupUniversity of MissouriColumbiaMissouri 65211USA Division of Life Science and Research Institute of Molecular Alchemy Gyeongsang National UniversityJinju 52828Korea

Pathogens generate and secrete effector proteins to the host plant cells during pathogenesis to promote virulence and *** the plant carries resistance(R)proteins that recognize pathogen effectors,effector-triggered immunity(ETI)is activated,resulting in a robust immune response and hypersensitive response(HR).The bipartite effector AvrRps4 from Pseudomonas syringae *** has been well studied in terms of avirulence *** planta,AvrRps4 is processed into two *** Cterminal fragment of AvrRps4(AvrRps4^(C))induces HR in turnip and is recognized by the paired resistance proteins AtRRS1/AtRPS4 in ***,we show that AvrRps4^(C)targets a group of Arabidopsis WRKY,including WRKY46,WRKY53,WRKY54,and WRKY70,to induce its virulence ***,AvrRps4^(C)suppresses the general binding and transcriptional activities of immune-positive regulator WRKY54 and WRKY54-mediated ***4^(C)interferes with WRKY54's binding activity to target gene SARD1 in vitro,suggesting WRKY54 is sequestered from the SARD1 promoter by AvrRps4^(C).Through the interaction of Avr Rps4^(C)with four WRKYs,AvrRps4 enhances the formation of homo-/heterotypic complexes of four WRKYs and sequesters them in the cytoplasm,thus inhibiting their function in plant ***,our results provide a detailed virulence mechanism of AvrRps4 through its C-terminus.

关键词： AvrRps4 bacterial effector effector-triggered immunity immune response suppression transcription factor WRKY

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