Publications by authors named "Dingwen Liu"

This study provides a comprehensive analysis of global, continental, and national trends in the prevalence and mortality of prostate cancer (PC), breast cancer (BC), and thyroid cancer (TC). Utilizing 2021 Global Burden of Diseases (GBD2021) data, prevalence and death rates for 2021 were examined, with temporal trends from 1990 to 2021 analyzed via Joinpoint regression. Annual percentage change (APC) and average APC (AAPC) were calculated with 95% CI.

View Article and Find Full Text PDF

Prostate adenocarcinoma (PRAD), driven by both genetic and epigenetic factors, is a common malignancy that affects men worldwide. We aimed to identify and characterize differentially expressed epigenetic-related genes (ERGs) in PRAD and investigate their potential roles in disease progression and prognosis. We used PRAD samples from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) to identify prognosis-associated ERGs.

View Article and Find Full Text PDF

The research of the human microbiome in the preceding decade has yielded novel perspectives on human health and diseases. Benign prostatic hyperplasia (BPH) is a common disease in middle-aged and elderly males, which negatively affects the life quality. Existing evidence has indicated that the human microbiome, including urinary, intra-prostate, gut, oral and blood microbiome may exert a significant impact on the natural progression of BPH.

View Article and Find Full Text PDF

Background: The 8th edition of the American Joint Committee on Cancer (AJCC) has made new revisions to the N staging of penile cancer (PeCa). This study aimed to evaluate the prognostic value of the new N staging classification.

Methods: This cohort was included from the Surveillance, Epidemiology, and End Results (SEER) database (1988-2016).

View Article and Find Full Text PDF

Purpose: To determine the difference in the burden of benign prostatic hyperplasia (BPH) between China and the United States from 1990 to 2019.

Methods: The prevalence, incidence, Years Lived with Disability (YLD), and their age-standardized rates for BPH in China and USA from 1990 to 2019 were based on the Global Burden of Disease Study 2019 (GBD 2019). The annual percentage changes (APC) of the age-standardized incidence rate (ASIR) and the age-standardized YLD rates (ASYR) were calculated using joinpoint regression analysis.

View Article and Find Full Text PDF

We propose a three-visible-light wave combiner based on two-dimensional square-lattice photonic crystal (PhC) microcavities. A coupled-cavity waveguide is introduced to reduce the insertion losses for the three waves in the combiner. The transmission characteristic of light waves in PhCs with point defects is analyzed.

View Article and Find Full Text PDF

We present a three-visible-light wave combiner based on two-dimensional photonic crystal waveguides whose widths are not integral multiples of the lattice period. The proposed device consists of two cascaded directional couplers. It combines three visible light waves with different wavelengths from three input ports into a single output port.

View Article and Find Full Text PDF