Predictors of Secondary Bladder Cancer in Patients with Prostate Cancer Treated with Brachytherapy: A Single-institution Study of a Japanese Cohort.

Purpose: The incidence of secondary bladder cancer after treatment for localized prostate cancer (PCa) remains unclear. In this study, PCa cases treated with brachytherapy (BT) were evaluated to assess the incidence of a second malignancy of bladder cancer in a Japanese cohort.

Materials And Methods: Overall, 969 patients treated with BT at our hospital between July 2006 and January 2019 were included in the study cohort.

Intra-corporeal robot-assisted versus open radical cystectomy: a propensity score-matched analysis comparing perioperative and long-term survival outcomes and recurrence patterns.

Background: To compare perioperative and long-term oncological outcomes and recurrence patterns between robot-assisted radical cystectomy with intra-corporeal urinary diversion (iRARC) and open radical cystectomy (ORC).

Methods: We retrospectively analyzed 177 bladder cancer patients who received iRARC or ORC at Fujita Health University between 2008 and 2020. Our primary endpoint was long-term oncological outcomes.

Combined α-methylacyl-CoA racemase inhibition and docetaxel treatment reduce cell proliferation and decrease expression of heat shock protein 27 in androgen receptor-variant-7-positive prostate cancer cells.

Background: Disease progression in castrate-resistant prostate cancer (PCa) is most commonly driven by the reactivation of androgen receptor (AR) signaling and involves AR splice variants including ARV7.

Materials And Methods: We used the ARV7-positive PCa cell line, 22Rv1, to study the relationship of the PCa marker α-methylacyl-CoA racemase (AMACR), AR, and ARV7 in PCa.

Results: Docetaxel addition but not AMACR inhibition decreased the proliferation of 22Rv1 cells.

Long-Term Functional and Oncologic Outcomes of Robot-Assisted Partial Nephrectomy for Cystic Renal Tumors: A Single-Center Retrospective Study.

To evaluate the outcomes of robot-assisted partial nephrectomy (RAPN) in cystic renal tumors. We retrospectively analyzed patients who underwent RAPN for either cystic ( = 46) or solid ( = 271) renal tumors at Fujita Health University between 2010 and 2019. Cystic renal tumors were diagnosed using cross-sectional imaging.

Two cycles of neoadjuvant chemotherapy improves survival in patients with high-risk upper tract urothelial carcinoma.

Objectives: To assess the impact of two cycles of neoadjuvant chemotherapy (NAC) in patients who underwent nephroureterectomy for high-risk cN0M0 upper tract urothelial carcinoma (UTUC), and to evaluate the efficacy of NAC in patients with localised disease (≤cT2).

Patients And Methods: We retrospectively analysed patients with high-risk cN0M0 UTUC who received NAC followed by surgery, compared with a matched cohort who underwent initial surgery at Fujita Health University during 2005-2019. Baseline and tumour characteristics, overall survival (OS), cancer-specific survival (CSS), and recurrence-free survival (RFS) were compared between the cohorts.

Deep learning using preoperative magnetic resonance imaging information to predict early recovery of urinary continence after robot-assisted radical prostatectomy.

Objectives: To investigate whether a deep learning model from magnetic resonance imaging information is an accurate method to predict the risk of urinary incontinence after robot-assisted radical prostatectomy.

Methods: This study included 400 patients with prostate cancer who underwent robot-assisted radical prostatectomy. Patients using 0 or 1 pad/day within 3 months after robot-assisted radical prostatectomy were categorized into the "good" group, whereas the other patients were categorized into the "bad" group.

Predictors for trifecta achievement of robot-assisted partial nephrectomy in high-complexity tumors (Preoperative Aspects and Dimensions Used for an Anatomical score ≥10).

Introduction: Robot-assisted partial nephrectomy (RAPN) is emerging as an effective treatment oncologically and functionally for clinically localized renal tumors. However, RAPN in high-complexity tumors with a Preoperative Aspects and Dimensions Used for an Anatomical score ≥10 remains challenging. In this study, the feasibility of RAPN for high-complexity tumors was assessed.

Clinical and oncological outcomes of robot-assisted radical prostatectomy with nerve sparing vs. non-nerve sparing for high-risk prostate cancer cases.

Robot-assisted radical prostatectomy (RARP) is one of the most widely used procedures for localized prostate cancer (PCa). In the present study, the clinical and oncological outcomes of RARP with bilateral or unilateral nerve sparing (NS) for D'Amico high-risk PCa cases were assessed. Among the 767 cases who received RARP at Fujita Health University Hospital between August 2009 and December 2016, 230 high-risk PCa cases who were observed for >6 months comprised the retrospective study cohort.

[Robotic Surgery for Urologic Malignancy - Prostate, Kidney and Bladder].

Robotic-assisted surgery has been wide-spreading rapidly as a technique to develop laparoscopic surgery by innovative technological improvement such as high magnifided 3D-image and multi-degree freedom of forceps, leading to safety enhancement and better functional recovery. Robotic surgery in the urological field made it possible to highly fine operation in a narrow field, such as pelvic cavity or retroperitoneal space. Better outcomes were recognized especially in perioperative complications and postoperative QOL recovery than other procedures like open or laparoscopic.

Warm ischemic time as a critical risk factor of graft failure from donors after cardiac death: A single-center experience over three decades in the Kidney Donor Profile Index/Kidney Donor Risk Index era in Japan.

Objectives: To evaluate the prognostic value of the warm ischemic time and the validity of the Kidney Donor Profile Index/Kidney Donor Risk Index for predicting the survival of donors after cardiac death grafts.

Methods: We retrospectively assessed 315 kidneys retrieved from donors after cardiac death at Fujita Health University Hospital, Toyoake, Aichi, Japan. The Kidney Donor Profile Index/Kidney Donor Risk Index was calculated and the grafts were enrolled.

Combined predictive value of the expanded donor criteria for long-term graft survival of kidneys from donors after cardiac death: A single-center experience over three decades.

Objectives: Kidneys procured from the deceased hold great potential for expanding the donor pool. The aims of the present study were to investigate the post-transplant outcomes of renal allografts recovered from donors after cardiac death, to identify risk factors affecting the renal prognosis and to compare the long-term survival from donors after cardiac death according to the number of risk factors shown by expanded criteria donors.

Methods: A total of 443 grafts recovered using an in situ regional cooling technique from 1983 to 2011 were assessed.

Robot-assisted partial nephrectomy: Superiority over laparoscopic partial nephrectomy.

Nephron-sparing surgery has been proven to positively impact the postoperative quality of life for the treatment of small renal tumors, possibly leading to functional improvements. Laparoscopic partial nephrectomy is still one of the most demanding procedures in urological surgery. Laparoscopic partial nephrectomy sometimes results in extended warm ischemic time and severe complications, such as open conversion, postoperative hemorrhage and urine leakage.

[A Case of Localized Amyloidosis of the Ureter Diagnosed by Ureter Biopsy Using a Ureteroscope].

A 42-year-old female visited our hospital with the chief complaint of macrohematuria and left lateroabdominal pain. Computed tomography and retrograde pyelogram showed left hydronephroureter and obstructive uropathy which was 20 mm in diameter in the middle ureter. Urine cytology was negative.

Serum liver-type fatty acid-binding protein predicts recovery of graft function after kidney transplantation from donors after cardiac death.

Kidneys procured by donation after cardiac death (DCD) may increase the donor pool but are associated with high incidence of delayed graft function (DGF). Urinary liver-type fatty acid-binding protein (L-FABP) level is an early biomarker of renal injury after kidney transplantation (KTx); however, its utility is limited in DGF cases owing to urine sample unavailability. We examined whether serum L-FABP level predicts functional recovery of transplanted DCD kidneys.

LMP-420, a small molecular inhibitor of TNF-α, prolongs islet allograft survival by induction of suppressor of cytokine signaling-1: synergistic effect with cyclosporin-A.

Inflammatory insults following islet transplantation (ITx) hinders engraftment and long-term function of the transplanted (Tx) islets. Using a murine model of ITx, we determined the role of LMP-420, a novel TNF-α inhibitor, both individually and in combination with the immunosuppressant cyclosporine A (CSA) in islet engraftment and survival. Diabetic C57BL/6 mice were Tx with 500 BALB/c islets under the kidney capsule.

Mechanism of accommodation in a sensitized human leukocyte antigen transgenic murine cardiac transplant model.

Background: Presence of donor-specific antibodies (Abs) is detrimental to posttransplant allograft function. Some sensitized recipients have successfully undergone transplantation after pretransplant conditioning regimen using plasmapheresis and/or intravenous immunoglobulin therapy, but underlying mechanisms that confer such allograft protection are undefined.

Methods: We developed a single human leukocyte antigen (HLA)-mismatched heterotopic murine heart transplant model (HLA-A2 into HLA-A2-sensitized-C57BL/6) to determine whether pretreatment of donors with low concentration of HLA class I (W6/32) or control Ab (C1.

[Robot-assisted laparoscopic partial nephrectomy using daVinci S-surgical system for localized renal tumor: report of initial five cases].

Objectives: For the management of patients with small renal tumor, laparoscopic partial nephrectomy (LPN) provides similar oncological control as radical nephrectomy (RN) and is superior to RN with respect to preserving renal function and preventing chronic kidney disease (CKD). The challenge of LPN is to resect a tumor in a bloodless field within a limited warm ischemia time (WIT) , followed by hemostatic renorrhaphy under restricted movement of laparoscopic forceps. Therefore, LPN still remains challenging to even experienced laparoscopic surgeon.

Mizoribine--an inosine monophosphate dehydrogenase inhibitor--acts synergistically with cyclosporine A in prolonging survival of murine islet cell and heart transplants across major histocompatibility barrier.

Introduction: Mizoribine (MZR) is an inosine monophosphate dehydrogenase inhibitor. It has been widely used in Japan in the treatment of autoimmune diseases and is known to inhibit T and B cell proliferation. The aim of this study was to evaluate the efficacy of MZR as an immunosuppressive agent and determine its ability to synergize with a commonly used calcineurin inhibitor Cyclosporine A (CsA) in prolonging survival of murine islet cells and heart transplanted across major histocompatibility barrier.

Synergistic effect of antibodies to human leukocyte antigens and defensins in pathogenesis of bronchiolitis obliterans syndrome after human lung transplantation.

Background: This study aims to determine the role of antibodies to donor-mismatched human leukocyte antigen (HLA) developed during the post-transplant period in inducing defensins and their synergistic role in the pathogenesis of chronic rejection, bronchiolitis obliterans syndrome (BOS), after human lung transplantation (LTx).

Methods: Bronchoalveolar lavage (BAL) and serum from 21 BOS+ LTx patients were assayed for β-defensins human neutrophil peptides (HNP) 1-3 (enzyme-linked immunosorbent assay [ELISA]) and anti-HLA antibodies (Luminex, Luminex Corp, Austin, TX). Human airway epithelial cells (AEC) were treated with anti-HLA antibodies, HNP-1/2, or both, and the levels of β-defensin were measured by ELISA.

Antibodies to MHC class I induce autoimmunity: role in the pathogenesis of chronic rejection.

Alloimmunity to mismatched donor HLA-Ags and autoimmunity to self-Ags have been hypothesized to play an important role in immunopathogenesis of chronic rejection of transplanted organs. However, it is not known what role, if any, alloimmune response plays in inducing autoimmunity. To test whether Ab-developed posttransplantation to mismatched donor MHC induces autoimmunity and chronic rejection, we developed a murine model wherein anti-MHC class I Abs or control (C1.