[Predictive value of bpMRI for pelvic lymph node metastasis in prostate cancer patients with PSA≤20 μg/L].

Objective： The aim of this study is to explore the predictive value of biparametric magnetic resonance imaging(bpMRI)for pelvic lymph node metastasis in prostate cancer patients with PSA≤20 μg/L and establish a nomogram. Methods： The imaging data and clinical data of 363 patients undergoing radical prostatectomy and pelvic lymph node dissection in the First Affiliated Hospital of Nanjing Medical University from July 2018 to December 2023 were retrospectively analyzed. Univariate analysis and multivariate logistic regression were used to screen independent risk factors for pelvic lymph node metastasis in prostate cancer, and a nomogram of the clinical prediction model was established.

A diagnostic and therapeutically challenging presentation of unicentric mesenteric Castleman disease: A case report.

Castleman disease (CD) is a rare lymphoproliferative disorder primarily manifesting as either Multicentric CD (MCD) or Unicentric CD (UCD), with Unicentric Mesenteric CD (UMCD) representing a less common subtype within the UCD category. The present study presented an encounter with a 29-year-old male patient afflicted by UMCD, presenting with significant morbidity attributed to a sizable mesenteric mass. The diagnostic and therapeutic management of this condition posed notable challenges.

DLGAP5 upregulates E2F1 to promote prostate adenocarcinoma neuroendocrine differentiation.

Aims: DLGAP5 plays a significant role in promoting cancer progression across various cancers. However, the specific role of DLGAP5 in neuroendocrine differentiation (NED) of prostate cancer (PCa) remains elusive. Our objective is to explore the mechanism by which DLGAP5 mediates NED in PCa.

Challenges in magnetic resonance imaging-based detection of clinically significant prostate cancer in young patients: two alternative approaches.

Background: Addition of magnetic resonance imaging (MRI) in prostate cancer screening remains controversial issue. Despite the increased utilization of MRI, several studies have revealed its potential suboptimal diagnostic efficacy in young patients. This study aimed to further substantiate the limited diagnostic efficiency of MRI positivity [defined as Prostate Imaging Reporting and Data System (PI-RADS) scores ≥3] among young individuals aged ≤55 years suspected of prostate cancer, and more significantly, to evaluate two proposed approaches.

A preoperative magnetic resonance imaging-based model to predict biochemical failure after radical prostatectomy.

To investigate if a magnetic resonance imaging (MRI)-based model reduced postoperative biochemical failure (BF) incidence in patients with prostate cancer (PCa). From June 2018 to January 2020, we retrospectively analyzed 967 patients who underwent prostate bi-parametric MRI and radical prostatectomy (RP). After inclusion criteria were applied, 446 patients were randomized into research (n = 335) and validation cohorts (n = 111) at a 3:1 ratio.

Bone Marrow Mesenchymal Stem Cell-Derived Exosomes Inhibit Triple-Negative Breast Cancer Cell Stemness and Metastasis via an ALKBH5-Dependent Mechanism.

Background: Abnormal N6-methyladenosine (m6A) modification caused by m6A regulators is a common characteristic in various tumors. However, little is known about the role of m6A regulator AlkB homolog 5 (ALKBH5) in triple-negative breast cancer (TNBC). In this study, we analyzed the influence of ALKBH5 on the stemness of TNBC and the molecular mechanism using bioinformatics analysis and in vivo animal experiments.

A comprehensive prostate biopsy standardization system according to quantitative multiparametric MRI and PSA value: P.R.O.S.T score.

Background: Although most studies believe that systematic biopsy (SB) and targeted biopsy (TB) should be performed simultaneously in patients with suspected prostate cancer, we believe that patients with the Prostate Imaging-Reporting and Data System (PI-RADS) score of 4/5 may be able to perform TB only.

Methods: We retrospectively analyzed the pathological results of patients undergoing transperineal prostate biopsy with PI-RADS 4 and 5 in our center. We use the data from 2019 to 2020 as the training set to establish the prediction model and the data from 2021 as the verification set to test the effectiveness.

[Long intergenic non-coding RNA 01121 promotes metastasis of prostate cancer cells by activating the EMT process].

Objective: To investigate the expression, biological function and potential mechanism of long intergenic non-coding RNA 01121 (LINC01121) in PCa.

Methods: Using real-time quantitative polymerase chain reaction (qRT-PCR), we detected the expression of LINC01121 in PCa cell lines and the efficiency of small interfering RNA (siRNA) in knocking down LINC01121. We examined the biological function of LIC01121 in the PCa cells by CCK8, cell cloning, and Transwell migration and invasion assays, and determined the expressions of epithelial-mesenchymal transition (EMT)-related proteins in the PCa cells by Western blot.

Long non-coding RNA profile study identifies an immune-related lncRNA prognostic signature for prostate adenocarcinoma.

Prostate adenocarcinoma (PRAD) is the highest incidence rate of male urogenital morbidity worldwide. Long non-coding RNAs (lncRNAs), as a significant class of gene expression regulators, play a critical role in immune regulation. The purpose of this study is to explore a new immune related lncRNA signature to exactly predict the prognosis of PRAD patients.

Comfortable suture angle with optimized trocar position aids renorrhaphy during retroperitoneal laparoscopic partial nephrectomy.

Background: This study investigated a comfortable suture angle (CSA) with optimized trocar position for closing the defect during renorrhaphy in retroperitoneal laparoscopic partial nephrectomy (LPN). The feasibility, usefulness, and safety of achieving the CSA with modified trocar position were determined for different tumor types.

Methods: Two optimized trocar positions were introduced for different tumor types.

Analysis of risk factors for determining the need for prostate biopsy in patients with negative MRI.

To analyze the clinical characteristics of patients with negative biparametric magnetic resonance imaging (bpMRI) who didn't need prostate biopsies (PBs). A total of 1,012 male patients who underwent PBs in the First Affiliated Hospital of Nanjing Medical University from March 2018 to November 2019, of 225 had prebiopsy negative bpMRI (defined as Prostate Imaging Reporting and Data System (PI-RADS 2.1) score less than 3).

Genetic variants in the cholesterol biosynthesis pathway genes and risk of prostate cancer.

Previous studies have found the relationship between cholesterol biosynthesis pathway genes and the risk or prognosis of prostate cancer (PCa), while there is no definite evidence that genetic variants in the cholesterol biosynthesis pathway gene is related to PCa risk. Consequently, we performed this study to explore the associations of single-nucleotide polymorphisms (SNPs) in the cholesterol biosynthesis pathway with PCa risk. We systematically evaluated the association of SNPs in 21 cholesterol biosynthesis pathway genes with the risk of PCa using the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial database using a logistic regression model.

Association study between genetic variants in retinol metabolism pathway genes and prostate cancer risk.

Background: Evidence suggests that serum retinol level is associated with prostate cancer risk, but the association between genetic variants in the retinol metabolism pathway genes and prostate cancer risk remains unclarified.

Methods: Single-nucleotide polymorphisms (SNPs) in 31 genes in the retinol metabolism pathway were genotyped to evaluate the association with prostate cancer risk in 4,662 cases and 3,114 controls from the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial. The gene expression analysis was evaluated using data from the Gene Expression Omnibus (GEO) datasets and the Cancer Genome Atlas (TCGA) database.

Use of Prostate Systematic and Targeted Biopsy on the Basis of Bi-Parametric Magnetic Resonance Imaging in Biopsy-Naïve Patients.

Objectives: To explore the performance of targeted biopsy (TB) in combination with systematic biopsy (SB) in the detection of prostate cancer (PCa) in biopsy naïve patients.

Methods: From May 2018 to January 2020, 230 biopsy-naïve men with suspicious bi-parametric MRI [bpMRI; Prostate Imaging Reporting and Data System (PI-RADS) score ≥3] were enrolled. All patients had prostate-specific antigen (PSA) levels of 20 ng/ml or less.

A Comparative Study of Prostate Cancer Detection Rate Between Transperineal COG-TB and Transperineal FUS-TB in Patients with PSA ≤20 ng/mL.

The combination of prebiopsy MRI and transperineal targeted biopsies is being increasingly used to obtain tissues from patients with suspected prostate cancer (PCa). To investigate the difference in PCa detection rate between transperineal cognitive fusion TB (COG-TB) and transperineal software fusion TB (FUS-TB). The present study included 163 male patients with suspected PCa who had not undergone prostate biopsy, had a prostate-specific antigen (PSA) level of ≤20 ng/mL, and had been examined by bi-parameter MRI and confirmed to have prostate nodules by prostate imaging reporting and data system version 2 (PI-RADS V2) scores ≥3 (from December 3, 2018 to October 7, 2019).

MiR-129-5p promotes docetaxel resistance in prostate cancer by down-regulating CAMK2N1 expression.

This study focuses on the effect of miR-129-5p on docetaxel-resistant (DR) prostate cancer (PCa) cells invasion, migration and apoptosis. In our study, the expression of CAMK2N1 was assessed by qRT-PCR in PCa patient tissues and cell lines including PC-3 and PC-3-DR. Cells transfected with miR-129-5p mimics, inhibitor, CAMK2N1 or negative controls (NC) were used to interrogate their effects on DR cell invasions, migrations and apoptosis during docetaxel (DTX) treatments.

Exosomal MicroRNA-9-3p Secreted from BMSCs Downregulates ESM1 to Suppress the Development of Bladder Cancer.

Exosomes, carriers to transfer endogenous molecules, derived from bone marrow-derived mesenchymal stem cells (BMSCs) have been reported to play a role in the progression of bladder cancer. Here we aimed to test the functional mechanism of microRNA-9-3p (miR-9-3p)-containing exosomes derived from BMSCs in bladder cancer. BMSCs were cocultured with bladder cancer cells, and exosomes secreted from BMSCs were identified.

How to Pick Out the "Unreal" Gleason 3 + 3 Patients: A Nomogram for More Precise Active Surveillance Protocol in Low-Risk Prostate Cancer in a Chinese Population.

Objective: To develop a nomogram for selecting the "unreal" Gleason score (GS) 3 + 3 patients in biopsy GS 3 + 3 prostate cancer (PCa) patients.

Methods: Patients who were newly diagnosed with PCa by biopsy and underwent radical prostatectomy in the First Affiliated Hospital of Nanjing Medical University from January 2009 to October 2018 were enrolled. Comparisons were made between GS 3 + 3 and higher grade PCa patients.

A comparison of perioperative outcome between robot-assisted and laparoscopic radical prostatectomy: experience of a single institution.

Purpose: To compare perioperative and pathological results in different approaches of robotic or laparoscopic radical prostatectomy.

Materials And Methods: We retrospectively reviewed 206 patients diagnosed with pros¬tate cancer (PC) from June 2016 to October 2017 in the First Affiliated Hospital of Nan¬jing Medical University. A total of 132 cases underwent robot-assisted laparoscopic radical prostatectomy (RLRP) including 54 patients on transperitoneal robot-assisted laparoscopic radical prostatectomy (Tp-RLRP) and 78 on extraperitoneal robot-assisted laparoscopic radical prostatectomy (Ep-RLRP).

Long non-coding RNA NAP1L6 promotes tumor progression and predicts poor prognosis in prostate cancer by targeting Inhibin-β A.

Background/purpose: Long non-coding RNAs (lncRNAs) have emerged as key molecules in initiation and progression of prostate cancer (PCa). In this study, we aimed to explore the role of lncRNA NAP1L6 in the development and progression of PCa.

Materials And Methods: We identified that lncRNA NAP1L6 was over-expressed both in PCa tissues and cell lines by gene expression array profiling.

TRIM36, a novel androgen-responsive gene, enhances anti-androgen efficacy against prostate cancer by inhibiting MAPK/ERK signaling pathways.

Hormone therapy drugs, such as bicalutamide and enzalutamide, directed against prostate cancer focus on androgen receptor (AR) signaling and are initially effective, but the disease progresses to lethality as resistance to these drugs develops. A method to prolong the drug response time and improve the drug efficacy is still unavailable. TRIM36 was reported as a novel androgen signaling target gene and is upregulated in prostate cancer.

The M6A methyltransferase METTL3: acting as a tumor suppressor in renal cell carcinoma.

We aimed to study the role of METTL3 in renal cell carcinoma (RCC) carcinogenesis and development. Immunohistochemistry was performed in clinical tissue microarray. Expression level of METTL3 in RCC tissues and cell lines was evaluated by quantitative real-time PCR (qRT-PCR) and western blot.