A preparation of herpes simplex virus type 2 (HSV-2) nucleocapsid (NC) was obtained after treatment of intracellular virus with detergents followed by centrifugation in linear sucrose density gradient. Electron microscopic analysis revealed polymorphism of HSV-2 NC population. Three main types of capsid structures were found: empty capsids, NC containing various amounts of nucleoid material, and NC with complete nucleoid. Morphological heterogeneity correlated with heterogenous sedimentation profile of the total NC preparation of labeled virus represented by light, intermediate, and heavy structures. Specific blasttranformation tests with lymphocytes from rabbits immunized with HSV-2 NC demonstrated differences in the primary and secondary cellular immune responses. The secondary cellular immune response was characterized by a more rapid and strong increase in BTT values than the primary immune response.
Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
A surgical orthotopic xenograft approach with immune response for colorectal cancer research.
Animal Model Exp Med
January 2025
Cancer Institute, School of Medicine, Jianghan University, Wuhan, China.
The high morbidity and mortality of colorectal cancer (CRC) is a major challenge in clinical practice. Although a series of alternative research models of CRC have been developed, appropriate orthotopic animal models that reproduce the specific clinical response as well as pathophysiological immune features of CRC are still lacking. In the current study, we constructed a CRC orthotopic xenograft model by implanting the tumor tubes at the colorectum of mice and monitored the model development using bioluminescence imaging.
View Article and Find Full Text PDFProtective effects of neutrophil serine protease inhibition against ischemia-reperfusion injury in lung or heart transplantation.
FEBS J
January 2025
INSERM UMR-1100, "Research Center for Respiratory Diseases (CEPR)", Tours, France.
Transplanted organs are inevitably exposed to ischemia-reperfusion (IR) injury, which is known to cause graft dysfunction. Functional and structural changes that follow IR tissue injury are mediated by neutrophils through the production of oxygen-derived free radicals, as well as from degranulation which entails the release of proteases and other pro-inflammatory mediators. Neutrophil serine proteases (NSPs) are believed to be the principal triggers of post-ischemic reperfusion damage.
View Article and Find Full Text PDFThe clinical breakpoint for a drug-pathogen combination reflects the drug susceptibility of the pathogen wild-type population, the location of the infection, the integrity of the host immune response, and the drug-pathogen pharmacokinetic (PK)/pharmacodynamic (PD) relationship. That PK/PD relationship, along with the population variability in drug exposure, is used to determine the probability of target attainment (PTA) of the PK/PD index at a specified minimum inhibitory concentration (MIC) for a selected target value. The PTA is used to identify the pharmacodynamic cutoff value (CO), which is one of the three components used to establish the clinical breakpoint.
View Article and Find Full Text PDFIncidence of 12-month postoperative cognitive decline following regional vs. general anaesthesia in older patients undergoing hip fracture surgery: follow-up of the RAGA trial.
Anaesthesia
January 2025
Clinical Research Unit, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
Introduction: Data regarding the incidence of 12-month postoperative cognitive decline following regional or general anaesthesia in older patients undergoing hip fracture surgery remain observational. Compared with general anaesthesia, we hypothesised that regional anaesthesia would decrease the incidence of 12-month postoperative cognitive decline.
Methods: This is substudy of a multicentre randomised trial of regional anaesthesia with no sedation vs.
Galectin-1-Induced Tumor Associated Macrophages Repress Antitumor Immunity in Hepatocellular Carcinoma Through Recruitment of Tregs.
Adv Sci (Weinh)
January 2025
Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China.
Tumor-associated macrophages (TAMs) are commonly considered accomplices in tumorigenesis and tumor development. However, the precise mechanism by which tumor cells prompt TAMs to aid in evading immune surveillance remains to be further investigated. Here, it is elucidated that tumor-secreted galectin-1 (Gal1) conferred immunosuppressive properties to TAMs.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!