Association Between Dysmenorrhea and Endometrial Cancer: A Mendelian Randomization Study.

Dysmenorrhea is a common gynecological symptom among reproductive-aged women, associated with substantial pain and decreased quality of life. Previous studies have suggested that inflammatory and hormonal fluctuations linked to dysmenorrhea may influence endometrial cancer (EC) risk though causality remains uncertain. This study aimed to investigate potential causal relationships between dysmenorrhea (including pain severity, analgesic use, endometriosis, and related pelvic pain) and EC risk using a Mendelian randomization (MR) approach.

Investigating the Influence of Laser Polarization on Filamentation Thresholds in Transparent Media via Supercontinuum Coherence.

In this work, we experimentally investigate the characteristics of supercontinuum (SC) generation induced by femtosecond laser pulses with different polarization states in transparent medium. We employ a Mach-Zehnder Interferometer (MZI) to capture interference patterns during the filamentation process. The relative filamentation threshold, , is measured for femtosecond laser pulses with different polarization states.

Nomogram prediction of the lymph-vascular space invasion in cervical cancer: comparison of 2009 and 2018 staging systems.

Background: Lymph-vascular space invasion (LVSI) is a crucial prognostic factor in cervical cancer (CC), and its assessment is essential for developing personalized treatment strategies.

Objective: The primary objective of this study was to focused on constructing LVSI predictive model based on clinical indicators and evaluating its predictive performance across different FIGO staging cohorts.

Study Design: We included 691 patients, with 348 patients having 2009 FIGO stage IB1-IIA2 CC assigned to Cohort 1, and 343 patients with 2018 FIGO stage IB1-IIIC1r CC assigned to Cohort 2.

A quality control circle to improve preventive care for lower limb lymphedema in gynecologic oncology surgery.

Objective: This study aims to enhance compliance with lower limb lymphedema (LLL) prevention care measures post-gynecologic oncology surgery (GOS) through quality control circle (QCC) activity, aiming to improve patient recovery outcomes and reduce postoperative complications.

Methods: A 6-month QCC activity was conducted within the hospital, employing the ten-step plan-do-check-act model for QCC activity. The root causes of inadequate implementation of LLL prevention care measures were analyzed, leading to the development of relevant strategies and protocols.

Evaluating the Benefits of Endocervical Curettage in Women Infected With HPV16/18.

Objective: This study evaluates the effectiveness of endocervical curettage (ECC) in detecting additional high-grade squamous intraepithelial lesions or worse (HSIL+) in women infected with human papillomavirus (HPV) types 16 and 18, which may be missed by biopsy alone.

Methods: A retrospective cohort study analyzed the medical records of 4,811 women referred for colposcopy due to HPV16/18 infection from January 2019 to December 2023. Patients underwent both biopsy and ECC.

Distant organ metastasis patterns and prognosis of cervical adenocarcinoma: a population-based retrospective study.

Background: Adenocarcinoma is a common histological subtype of cervical cancer, accounting for 10-15% of all cases. The prognosis of cervical adenocarcinoma with distant organ metastases remains unclear. Therefore, our study aimed to investigate the patterns and prognosis of distant organ metastasis in cervical adenocarcinoma.

Conjugated molecularly imprinted polymers based on covalent organic frameworks: Fluorescent sensing platform for specific capture of urea and elimination of ethyl carbamate.

This study described the preparation of an azide covalent organic framework-embedded molecularly imprinted polymers (COFs@MIPs) platform for urea adsorption and indirect ethyl carbamate (EC) removal from Chinese yellow rice wine (Huangjiu). By modifying the pore surface of COFs using the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reaction, COFs with a high fluorescence quantum yield and particular recognition ability were inventively produced. In order to selectively trap urea, the COFs were encased in an imprinted shell layer via imprinting technology.

RNA quality score evaluation: A preliminary study of RNA integrity number (RIN) and RNA integrity and quality number (RNA IQ).

In the past several years, with the in-depth development of RNA-related research, exploring the application of transcriptome and corresponding RNA biomarkers has become one of the research hotspots in the field of forensic science. High-quality RNA is essential for successful downstream workflows, especially in the steps of screening biomarkers by microarray or RNA sequencing (RNA-seq). Thus, accurately evaluating the quality of RNA samples is a critical step in obtaining meaningful expression data.

Forensic characteristics and genetic structure of the Chinese Tibetan population revealed by 38 X-chromosomal InDel loci.

With the increasing importance of X-chromosome (Chr-X) genotyping in kinship identification, the exploitation of X chromosome genetic marker multiplex kits is increasing. The Human X-InDels amplification kit is a novel developed system which contained 38 X-chromosomal Insertion/deletion markers (X-InDels) and Amelogenin. Herein, we investigated the genetic diversity of the 38 X-InDels in the Tibetan ethnic minority (n = 792) from seven regions and evaluated the application potential of this novel panel.

Exploring the Femtosecond Filamentation Threshold in Liquid Media Using a Mach-Zehnder Interferometer.

We experimentally studied the supercontinuum induced by femtosecond filamentation in different liquid media. Using a Mach-Zehnder interferometer, we determined the relative filamentation thresholds () of these media. Research has shown that the value of the filamentation threshold is greater than that of (critical power for self-focusing), which can mainly be attributed to the strong dispersion effect.

Association between serum lactate dehydrogenase and lymph node metastasis in cervical cancer.

The aim of the present study was to evaluate the association between serum lactate dehydrogenase (LDH) and the risk of lymph node metastasis (LNM) in the International Federation of Gynecology and Obstetrics (FIGO) 2009 cervical cancer (CC) stages IB1-IIA2. All patient medical records with FIGO 2009 stage IB1-IIA2 CC between January 2012 and January 2022 were analyzed retrospectively. The association between serum LDH and LNM was assessed using uni- and multivariate logistic regression analyses, subgroup analyses and P-splines.

CmVCall: An automated and adjustable nanopore analysis pipeline for heteroplasmy detection of the control region in human mitochondrial genome.

Genetic associations between human mitochondrial DNA (mtDNA) heteroplasmy and mitochondrial diseases, aging, and cancer have been elaborated, contributing a lot to the further understanding of mtDNA polymorphic spectrum in anthropology, population, and forensic genetics. In the past decade, heteroplasmy detection using Sanger sequencing and next generation sequencing (NGS) was hampered by the former's inefficiency and the latter's inherent bias due to amplification and mapping of short reads, respectively. Nanopore sequencing stands out for its ability to yield long contiguous segments of DNA, providing a new insight into heterogeneity authentication.

A preoperative prediction of lymph node metastasis in early cervical squamous cell cancer with hematologica - based model.

This study aimed to construct a preoperative model predicting lymph node metastasis (LNM) in IB1-IIA2 stage cervical squamous cell cancer (CSCC) based on hematological indexes. Between February 2011 and February 2022, 463 patients with IB1-IIA2 stage CSCC underwent radical resection. Patients were allocated to either a model-development cohort (n=337) or a validation cohort (n=126).

Massively parallel sequencing of 74 microhaplotypes and forensic characteristics in three Chinese Sino-Tibetan populations.

Microhaplotype (MH), as an emerging type of forensic genetic marker in recent years, has the potential to support multiple forensic applications, especially for mixture deconvolution and biogeographic ancestry inference. Herein, we investigated the genotype data of 74 MHs included in a novel MH panel, the Ion AmpliSeq MH-74 Plex Microhaplotype Research Panel, in three Chinese Sino-Tibetan populations (Han, Tibetan, and Yi) using the Ion Torrent semiconductor sequencing. The sequencing performance, allele frequencies, effective number of alleles (A), informativeness (I), and forensic parameters were subsequently estimated and calculated.

Exploring rare differences in mitochondrial genome between MZ twins using Ion Torrent semiconductor sequencing.

Monozygotic (MZ) twins are considered to be genetically identical in that they have the same genomic DNA sequences in theory, and thus cannot be differentiated using forensic standard STR-based DNA profiling. However, a recent study employed deep sequencing to explore extremely rare mutations in the nuclear genome and reported that the mutation analysis could be applied to differentiate between MZ twins. Compared with the nuclear genome, the mitochondrial DNA (mtDNA) exhibits higher mutation rates due to fewer DNA repair mechanisms in the mitochondrial genome (mtGenome) and the lack of proofreading capability of the mtDNA polymerase.

Development and validation of a custom panel including 256 Y-SNPs for Chinese Y-chromosomal haplogroups dissection.

Y-chromosomal haplogroups determined by Y-chromosomal single nucleotide polymorphisms (Y-SNPs) allow paternal lineage identification and paternal biogeographic ancestry inference, which has attracted a lot of interest in the forensic community. Recently, a comprehensive Y-SNP tool with dominant markers targeting haplogroups in R, E and I branches has been reported, which allows the inference of 640 Y haplogroups. It had a very good performance and could provide a high level of Y haplogroup resolution in most populations.

Prevalence of multiple human papillomavirus infections and association with cervical lesions among outpatients in Fujian, China: A cross-sectional study.

Multiple human papillomavirus (HPV) infections are common, but their impact on cervical lesions remains controversial. A total of 6225 female patients who underwent colposcopies/conization following abnormal cervical cancer screening results were included in the study. The final pathological diagnosis was determined by the most severe pathological grade among the cervical biopsy, endocervical curettage, and conization.

A Prognostic Nomogram for Predicting Overall Survival in Patients With Small-Cell Carcinoma of the Uterine Cervix: A SEER Population-Based Study.

This study aimed to develop a prognostic model based on the Surveillance, Epidemiology, and End Results (SEER) database to predict the overall survival (OS) of small cell carcinoma of the uterine cervix (SmCC). Between 1975 and 2016, a total of 401 patients were included, and their comprehensive sociodemographic and clinicopathological characteristics were collected. Univariate and multivariate Cox regression models were used to screen for independent prognostic factors.

Clinical significance of tumor-infiltrating lymphocytes investigated using routine H&E slides in small cell lung cancer.

Background: Tumor-infiltrating lymphocytes (TILs), investigated using routine hematoxylin and eosin (H&E)-stained section slides (H&E-sTILs), provide a robust prognostic biomarker in various types of solid cancer. The purpose of the present study was to investigate the prognostic significance of H&E-sTILs in patients with small cell lung cancer (SCLC).

Methods: The clinical data of patients with SCLC who had been treated in our cancer center between January 2013 and October 2019 were collected and retrospectively reviewed.

Association study between genetic variants and the risk of schizophrenia in the Chinese population based on GWAS-implicated 6p21.3-23.1 human genome region: a case-control study.

Background: Schizophrenia is a polygenic disease; however, the specific risk genetic variants of schizophrenia are still largely unknown. Single nucleotide polymorphism (SNP) is important genetic factor for the susceptibility of schizophrenia. Investigating individual candidate gene contributing to disease risk remains important.