Programmed DNA elimination (PDE) occurs in various metazoans. Parasitic nematodes have long been the major experimental model for PDE investigation. New studies have reported that some genetically tractable free-living nematodes also undergo PDE, paving the way for understanding the molecular mechanisms of PDE in metazoans.
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http://dx.doi.org/10.1016/j.cub.2022.10.059 | DOI Listing |
Adv Sci (Weinh)
December 2024
State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory of Pathobiology Ministry of Education, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
In the post-large era, various COVID-19 sequelae are getting more and more attention to health problems. Although the mortality rate of the COVID-19 infection is now declining, it is often accompanied by new clinical sequelae with different symptoms such as fatigue after infection, loss of smell. The degree of age, gender, virus infection seems to be weakly correlated with clinical symptoms.
View Article and Find Full Text PDFClin Epigenetics
December 2024
Hereditary Cancer Group, ONCOBELL Program, Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Spain.
Background: Lynch syndrome (LS), characterised by an increased risk for cancer, is mainly caused by germline pathogenic variants affecting a mismatch repair gene (MLH1, MSH2, MSH6, PMS2). Occasionally, LS may be caused by constitutional MLH1 epimutation (CME) characterised by soma-wide methylation of one allele of the MLH1 promoter. Most of these are "primary" epimutations, arising de novo without any apparent underlying cis-genetic cause, and are reversible between generations.
View Article and Find Full Text PDFIn Vivo
December 2024
Immunotherapy Division, Shizuoka Cancer Center Research Institute, Shizuoka, Japan;
Background/aim: Immune checkpoint blockade has achieved great success as a targeted immunotherapy for solid cancers. However, small molecules that inhibit programmed death 1/programmed death ligand 1 (PD-1/PD-L1) binding are still being developed and have several advantages, such as high bioavailability. Previously, we reported a novel PD-1/PD-L1-inhibiting small compound, SCL-1, which showed potent antitumor effects on PD-L1 tumors.
View Article and Find Full Text PDFIn Vivo
December 2024
Graduate Program for Bio-health/Innovative Drug Development using Subtropical Bio-Resources, Jeju National University, Jeju, Republic of Korea;
Background/aim: Breast cancer stem cells (BCSCs) are a subpopulation of tumor cells that play a role in therapeutic resistance. In this study, we demonstrated that sertaconazole, an antifungal agent, displayed a potent inhibition on cancer stem cells (CSCs) and investigated the mechanism of action involved in its anti-BCSC effect.
Materials And Methods: The effect of sertaconazole on BCSCs was investigated using a mammosphere formation assay, a colony formation assay, and a cell migration assay.
Biosens Bioelectron
December 2024
Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, China. Electronic address:
"One-pot" assays which combine amplification with CRISPR/Cas12a system are in constant attracted for biosensors development. Herein, we present a one-pot isothermal assay that Ligation-recognition triggered Recombinase Polymerase Amplification (RPA)-CRISPR/Cas12a cis-cleavage (LRPA-CRISPR) fluorescent biosensor for sensitive, specific, and label-free miRNA detection. Firstly, we reveal the programmed double-stranded DNA amplicons, which utilized the ligation-recognition and polymerization to form and amplified by the RPA system.
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