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Cytopathic effects and local immune responses in repeated neoadjuvant HSV-tk+ ganciclovir gene therapy for prostate cancer

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Asian Journal of Urology 2021年第3期8卷 280-288页

作者： Nobuyuki Yanagisawa takefumi satoh Ken-ichi Tabata Hideyasu Tsumura Yasutomo Nasu Masami Watanabe Timothy C.Thompson Isao Okayasu Yoshiki Murakumo Shiro Baba Masatsugu Iwamura Department of Pathology St.Marianna University School of Medicine Yokohama-City Seibu HospitalYokohamaKanagawaJapan Department of Pathology Kitasato University School of MedicineSagamiharaKanagawaJapan Department of Urology Kitasato University School of MedicineSagamiharaKanagawaJapan takefumi satoh Prostate Clinic MachidaTokyoJapan Department of Urology Okayama UniversityOkayamaJapan Center for Innovative Clinical Medicine Okayama University HospitalOkayamaJapan Department of Genitourinary Medical Oncology-Research Division of Cancer MedicineThe University of Texas MD Anderson Cancer CenterHoustonTXUSA Division of Nutrition School of Health CareKiryu UniversityMidori-City GunmaJapan

Objective:Cytopathic effects and local immune response were analyzed histologically in prostatic cancer(PCa)with in situ herpes simplex virus-thymidine kinase(HSV-tk)/ganciclovir(GCV)gene therapy(GT).Methods:Four high-risk PCa patients who received HSV-tk/GCV GT were *** two cycles of intraprostatic injection of HSV-tk and administration of GCV,radical prostatectomy was ***-fixed,paraffin-embedded sections were evaluated using *** with hormone therapy(HT,n=3)or without neoadjuvant therapy(NT,n=4)that were equivalent in terms of risk were also examined as ***-positive cells were counted in at least three areas in cancer *** indices(LI)were calculated as percentage ***:ssDNA LI in GT increased,indicating apoptosis,as well as tumor-infiltrating lymphocytes and CD68-positive macrophages,compared with their *** cases showed significantly higher numbers of single-stranded DNA(ssDNA)LI,CD4/CD8-positive T cells and CD68-positive macrophages including M1/M2 macrophages than HT or NT ***,there was no significant difference in CD20-positive B cells among the types of *** were strong correlations between CD8+T cells and CD68+macrophages(ρ=0.656,p<0.0001)as well as CD4+T cells and CD20+B cells(ρ=0.644,p<0.0001)in PCa with ***:Enhanced cytopathic effect and local immune response might be indicated in PCa patients with HSV-tk/GCV gene therapy.

关键词： Suicide genetherapy Prostatecarcinoma HSV-tk Ganciclovir Immuno histochemistry

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Anaplastic Lymphoma Kinase (ALK) and p53 Are Potentially Useful Markers to Distinguish Inflammatory Myofibroblastic Tumor

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Open Journal of Urology 2013年第2期3卷 71-74页

作者： Shinji Kurosaka Kazumasa Matsumoto Akira Irie Takahiro Hirayama Morihiro Nishi Tetsuo Fujita takefumi satoh Yuichi Sato Masatsugu Iwamura Kazunari Yoshida Department of Molecular Diagnostics School of Allied Health Sciences Kitasato University Tokyo Japan Department of Urology School of Medicine Kitasato University Tokyo Japan

Aims: Inflammatory myofibroblastic tumor (IMT) of the urinary bladder is a clinically and histologically uncommon benign tumor that can be easily mistaken for a malignant neoplasm. We sought to determine whether immunohistochemical staining would be evaluated IMT of the urinary bladder. We have also shown the literatures that imminohistochemical staining of IMT was investigated to distinguish malignant lesions using PubMed data base. Methods: Immunohistochemical staining, including anaplastic lymphoma kinase (ALK), p53, cytokeratin, vimentin, desmin, alpha-smooth muscle actin, myoglobin, smooth muscle myosin and S100, was carried out on serial sections from archival specimens of three patients who underwent transurethral resection and partial cystectomy. Results: Immunohistchemical staining in all patients was positive for ALK and weak positive for p53 protein. In the literatures, positive rates of ALK and p53 inthe IMT of the urinary bladder were 60.9% and 53.1%, respectively. Sarcoma and carcinosarcoma were shown in the pathological specimens with negative ALK and strongly positive p53 inthe same data base. Conclusions: Both ALK and p53 were potentially useful protein markers to distinguish between IMT and sarcoma. However, this study was small sample size. Further study was warranted an investigation of the availability of these proteins in IMT.

关键词： Inflammatory Myofibroblastic Tumor Immunohistochemistry Bladder Cancer Anaplastic Lymphoma Kinase p53

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Recovery of serum testosterone following neoadjuvant and adjuvant androgen deprivation therapy in men treated with prostate brachytherapy

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World Journal of Radiology 2015年第12期7卷 494-500页

作者： Hideyasu Tsumura takefumi satoh Hiromichi Ishiyama Shuhei Hirano Kenichi Tabata Shinji Kurosaka Kazumasa Matsumoto Tetsuo Fujita Masashi Kitano Shiro Baba Kazushige Hayakawa Masatsugu Iwamura Department of Urology Kitasato University School of Medicine Department of Radiation Oncology Kitasato University School of Medicine

AIM: To investigate the time course of testosterone(T) recovery after cessation of androgen deprivation therapy(ADT) in patients treated with brachytherapy. METHODS: One-hundred and seventy-four patients treated between June 1999 and February 2009 were studied. Patients were divided into a short-term usage group(≤ 12 mo, n = 91) and a long-term usage group(≥ 36 mo, n = 83) according to the duration of gonadotropin-releasing hormone agonist therapy. Median follow-up was 29 mo in the short-term group and was 60 mo in the long-term ***: Cumulative incidence rates of T recovery to normal and supracastrate levels at 24 mo after cessationwere 28.8% and 74.6%, respectively, in the long-term usage group, whereas these values were 96.4% and 98.8% in the short-term usage group. T recovery to normal and supracastrate levels occurred significantly more rapidly in the short-term than in the long-term usage group(P < 0.001 and P < 0.001, respectively). Five years after cessation, 22.6% of patients maintained a castrate T level in the long-term usage group. On multivariate analysis, lower T levels(< 10 ng/d L) at cessation of ADT was significantly associated with prolonged T recovery to supracastrate levels in the longterm usage group(P = 0.002). CONCLUSION: Lower T levels at cessation of ADT were associated with prolonged T recovery in the longterm usage group. Five years after cessation of longterm ADT, approximately one-fifth of patients still had castrate T levels. When determining the therapeutic effect, especially biochemical control, we should consider this delay in T recovery.

关键词： Androgen deprivation Gonadotropinreleasing hormone agonist Prostate brachytherapy Prostate cancer Testosterone

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Corticospinal excitability during motor imagery is diminished by continuous repetition-induced fatigue

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Neural Regeneration Research 2021年第6期16卷 1031-1036页

作者： Akira Nakashima takefumi Moriuchi Daiki Matsuda Takashi Hasegawa Jirou Nakamura Kimika Anan Katsuya satoh Tomotaka Suzuki Toshio Higashi Kenichi Sugawara Department of Rehabilitation Juzenkai HospitalNagasakiJapan Graduate School of Biomedical Sciences Nagasaki UniversityNagasakiJapan School of Rehabilitation Kanagawa University of Human ServicesYokosukaJapan

Application of continuous repetition of motor imagery can improve the performance of exercise ***,there is a lack of more detailed neurophysiological evidence to support the formulation of clear standards for interventions using motor ***,identification of motor imagery intervention time is necessary because it exhibits possible central ***,the purpose of this study was to elucidate the development of fatigue during continuous repetition of motor imagery through objective and subjective *** study involved two *** experiment 1,14 healthy young volunteers were required to imagine grasping and lifting a 1.5-L plastic bottle using the whole *** participant performed the motor imagery task 100 times under each condition with 48 hours interval between two conditions:500 mL or 1500 mL of water in the bottle during the demonstration *** fatigue and a decrease in pinch power appeared under the 1500-mL *** were changes in concentration ability or corticospinal excitability,as assessed by motor evoked potentials,between each set with continuous repetition of motor imagery also under the 1500-mL ***,in experiment 2,12 healthy volunteers were required to perform the motor imagery task 200 times under the 1500-mL *** concentration ability and corticospinal excitability *** is the first study to show that continuous repetition of motor imagery can decrease corticospinal excitability in addition to producing mental *** study was approved by the Institutional Ethics Committee at the Nagasaki University Graduate School of Biomedical and Health Sciences(approval No.18121302)on January 30,2019.

关键词： central nervous system concentration continuous repetition of motor imagery corticospinal excitability mental fatigue motor evoked potential motor imagery muscle fatigue neurophysiology transcranial magnetic stimulation

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