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Understanding the relationship between silicone implants, tumor antigens, and breast cancer risk: An immunological study in rats.
Int Immunopharmacol
January 2025
Department of Plastic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, PR China; National Key Clinical Specialty (Wound Healing), The First Affiliate d Hospital Of Wenzhou Medical University, PR China. Electronic address:
This study aimed to investigate the effects of silicone implants on the incidence of breast cancer in rats, as well as their impact on immune surveillance mechanisms. Female SD rats were divided into three groups: a Placebo Surgery Group (PSG), a Thoracic Implant Group (TIG), and a Back Implant Group (BIG). Following the corresponding surgical procedures, we measured Secretoglobin Family 2A, Member 2(SCGB2A2) and Mucin-1 (MUC1) antigen levels using ELISA, and statistical analyses were conducted to evaluate immune responses.
View Article and Find Full Text PDFEstablishment and characterization of a new mouse gastric carcinoma cell line, MCC.
Cancer Cell Int
January 2025
State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, People's Republic of China.
Background: The aim of this study was to establish a primary mouse gastric carcinoma cell line.
Methods: Gastric adenocarcinoma in the body region was induced in immunocompetent BALB/c mice using N-Methyl-N-nitrosourea and a 2% NaCl solution. Fresh gastric cancer tissue samples were cultured in 1640 medium supplemented with 10% fetal bovine serum for primary culture and subculture.
Evaluation of Genotoxic Effects of N-Methyl-N-Nitroso-Urea and Etoposide on the Differentiation Potential of MSCs from Umbilical Cord Blood and Bone Marrow.
Cells
December 2024
Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany.
The present study investigates the influence of nitrosamines and etoposide on mesenchymal stromal cells (MSCs) in a differentiation state- and biological age-dependent manner. The genotoxic effects of the agents on both neonatal and adult stem cell populations after treatment, before, or during the course of differentiation, and the sensitivity of the different MSC types to different concentrations of MNU or etoposide were assessed. Hereby, the multipotent differentiation capacity of MSCs into osteoblasts, adipocytes, and chondrocytes was analyzed.
View Article and Find Full Text PDFMicrobiota of the Mammary Gland in Wistar Rats with Chemically Induced Breast Cancer after Treatment.
Bull Exp Biol Med
December 2024
Institute of Veterinary Medicine and Biotechnology, Novosibirsk State Agrarian University, Novosibirsk, Russia.
We conducted a comparative study of the mammary gland microbiota in female Wistar rats and the microbiota associated with breast cancer (BC) induced by the administration of N-methyl-N-nitrosourea, after surgical treatment, photodynamic therapy (PDT), and chemotherapy (CT). Selective nutrient media and a smear-fingerprint technique were used to study the microbiota. Staphylococcus, Streptococcus, and Lactobacillus were found in the mammary glands of intact rats.
View Article and Find Full Text PDFA Novelly-Spatiotemporal Characterization of the Disease Course in the MNU-Induced Retinitis Pigmentosa Model.
J Inflamm Res
November 2024
Center of Clinical Aerospace Medicine, Air Force Military Medical University, Xi'an, People's Republic of China.
Objective: With the aids of ophthalmic imaging techniques for animals, the spatiotemporal characterization of MNU-induced retinitis pigmentosa (RP) rats were performed.
Methods: Sprague-Dawley (SD) rats were randomly divided into normal group (N), MNU-low-dose group (L) and MNU-high-dose group (H). Rats in the L and H group were given intraperitoneally injection with 40 and 60 mg/kg of MNU, a kind of alkylating agent, respectively.
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