388 results match your criteria: "Center for Experimental Research[Affiliation]"
Sci Rep
December 2024
Department of Gastroenterology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou University Affiliated Provincial Hospital, Fuzhou, 350001, Fujian, China.
Immune checkpoint inhibitor (ICI) therapy is the new standard treatment for advanced or metastatic hepatocellular carcinoma (HCC); however, many patients still fail to respond. This study explored the expression and prognosis of programmed death ligand 1 (PD-L1), cluster of differentiation 24 (CD24), and cluster of differentiation 47 (CD47) in patients with hepatitis B virus-associated HCC (HBV-associated HCC). We analyzed sequencing data from the Cancer Genome Atlas (TCGA) and investigated the expression of PD-L1, CD24, and CD47 in HBV-associated HCC patients by immunohistochemistry and their relationship with prognosis and clinicopathological factors.
View Article and Find Full Text PDFTransl Oncol
December 2024
Shengli Clinical Medical College of Fujian Medical University, Department of Otolaryngology, Head and Neck Surgery, Fujian Provincial Hospital, Fuzhou 350001, China. Electronic address:
Background: Nasopharyngeal carcinoma (NPC) is an epithelial malignancy with poorly understood underlying molecular mechanisms. Ferroptosis, a form of programmed cell death, is not fully elucidated in NPC.
Method: We conducted quantitative proteomics to detect dysregulated proteins in NPC tissues.
Behav Processes
December 2024
Department of Biology, Faculty of Science, Hokkaido University, Sapporo, Japan; Faculty of Pharmaceutical Science, Health Science University of Hokkaido, Tobetsu, Japan; Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy.
The marginal value theorem (MVT) predicts that optimal foragers leave a patch when the instantaneous gain rate decreases to the average long-term gain rate. However, various animals systematically deviate from this optimum by staying too long or overharvesting relative to this optimum. We hypothesised that animals do not represent their optimal stay time but instead determine their departure point probabilistically.
View Article and Find Full Text PDFBioorg Med Chem
January 2025
Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou 350108, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Fujian Medical University, Fuzhou 350108, China. Electronic address:
In this work, we successfully synthesized eight distinct compounds, comprising four chiral menthylamines and related derivatives. We evaluated their cytotoxic potential against a panel of human cancer cell lines, including human colon cancer HCT-116 cells, human esophageal squamous KYSE-150 cells, human breast cancer MCF-7 cells, and human glioma U87 cells. The U87 cells were chosen for a more in-depth investigation of their anti-tumor efficacy.
View Article and Find Full Text PDFJ Ovarian Res
November 2024
Postgraduate Program in Endocrinology and Metabolism, School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, 90035-003, Brazil.
Background: Disturbances in the gut microbiota may act as mechanisms influencing the interplay between dietary factors and metabolic disorders. Studies have demonstrated that these alterations are associated with the diagnosis of polycystic ovary syndrome (PCOS). Within this context, we aimed to investigate associations between gut microbiota, gut-derived metabolites (short-chain fatty acids [SCFAs] and indole-3-propionic acid [IPA]), and dietary intake in women with PCOS.
View Article and Find Full Text PDFBiomed Rep
January 2025
Graduate Program in Gastroenterology and Hepatology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul 90035-003, Brazil.
The incidence of hepatocellular carcinoma (HCC) has been rising, particularly among individuals diagnosed with metabolic dysfunction-associated steatotic liver disease. In the present study, the prophylactic effects of rifaximin (RIF) on HCC, inflammatory markers and cardiovascular risk (CVR) were investigated in an animal model. Adult Sprague-Dawley rats were randomly allocated into three groups (n=10, each): Control [standard diet/water plus gavage with vehicle (Veh)], HCC [high-fat choline deficient diet (HFCD)/diethylnitrosamine (DEN) in drinking water/Veh gavage] and RIF [HFCD/DEN/RIF (50 mg/kg/day) gavage] groups.
View Article and Find Full Text PDFBiochem Pharmacol
December 2024
Department of Preventive Medicine and Public Health Laboratory Science, School of Medicine, Jiangsu University, Zhenjiang, China. Electronic address:
Clin Exp Immunol
November 2024
Laboratory of Autoimmune Diseases, Center for Experimental Research, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
Evol Hum Sci
October 2024
Graduate School of Humanities and Human Sciences, Hokkaido University, Sapporo, Japan.
People willingly follow norms and values, often incurring material costs. This behaviour supposedly stems from evolved norm psychology, contributing to large-scale cooperation among humans. It has been argued that cooperation is influenced by two types of norms: injunctive and descriptive.
View Article and Find Full Text PDFCommun Psychol
March 2024
Department of Computer Science, Nagoya Institute of Technology, Nagoya, Japan.
Mol Carcinog
November 2024
Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.
Clinics (Sao Paulo)
August 2024
Graduate Program in Gastroenterology and Hepatology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Experimental Laboratory of Hepatology and Gastroenterology, Center for Experimental Research, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq Researcher, Brazil; Division of Gastroenterology, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil. Electronic address:
Background: Some evidence suggests an association between gut dysbiosis and cirrhosis progression. The authors investigated Gut Microbiome (GM) influence on 90-day mortality and hospitalization/rehospitalization rates in cirrhotic patients.
Methods: Compensated/decompensated outpatients and decompensated inpatients were prospectively included and compared to healthy controls.
PLoS One
August 2024
Department of Behavioral Science, Graduate School of Humanities and Human Sciences, Hokkaido University, Sapporo, Hokkaido, Japan.
The optimization of cognitive and learning mechanisms can reveal complicated behavioral phenomena. In this study, we focused on reinforcement learning, which uses different learning rules for positive and negative reward prediction errors. We attempted to relate the evolved learning bias to the complex features of risk preference such as domain-specific behavior manifests and the relatively stable domain-general factor underlying behaviors.
View Article and Find Full Text PDFInt J Mol Sci
June 2024
Graduate Program in Gastroenterology and Hepatology, Universidade Federal do Rio Grande do Sul, Porto Alegre 90010-150, Rio Grande do Sul, Brazil.
It is known that the inflammation process leading to oxidative stress and thyroid hormone metabolism dysfunction is highly altered in metabolic dysfunction associated with steatotic liver disease (MASLD). This study aims to address the effect of ornithine aspartate (LOLA) and vitamin E (VitE) in improving these processes. Adult Sprague-Dawley rats were assigned to five groups and treated for 28 weeks: controls ( = 10) received a standard diet (for 28 weeks) plus gavage with distilled water (DW) from weeks 16 to 28.
View Article and Find Full Text PDFNat Commun
June 2024
Faculty of Mathematical Informatics, Meiji Gakuin University, 1518 Kamikurata-cho, Totsuka-ku, Yokohama-shi, Kanagawa, 244-853, Japan.
Voluntary participation is a central yet understudied aspect of collaboration. Here, we model collaboration as people's voluntary choices between joining an uncertain public goods provisioning in groups and pursuing a less profitable but certain individual option. First, we find that voluntariness in collaboration increases the likelihood of group success via two pathways, both contributing to form more optimistic groups: pessimistic defectors are filtered out from groups, and some individuals update their beliefs to become cooperative.
View Article and Find Full Text PDFAim: Hyperthymic temperament is a cheerful action orientation that is suggested to have a protective effect on depressive symptoms. We recently reported that hyperthymic temperament can positively predict activation of reward-related brain areas in anticipation of monetary rewards, which could serve as a biomarker of hyperthymic temperament. However, the relationship between hyperthymic temperament and neural responsiveness to nonmonetary rewards (i.
View Article and Find Full Text PDFSci Rep
May 2024
Shengli Clinical Medical College, Fujian Medical University, Fuzhou, 350001, China.
Our preliminary investigation has identified the potential of serum fucosylated extracellular vesicles (EVs) miR-4732-5p in the early diagnosis of lung adenocarcinoma (LUAD) by a fucose-captured strategy utilizing lentil lectin (LCA)-magnetic beads and subsequent screening of high throughput sequencing and validation of real-time quantitative polymerase chain reaction (RT-qPCR). Considering the relatively complicated procedure, expensive equipment, and stringent laboratory condition, we have constructed an electrochemical biosensor assay for the detection of miR-4732-5p. miR-4732-5p is extremely low in serum, down to the fM level, so it needs to be detected by highly sensitive electrochemical methods based on the Mg-dependent DNAzyme splitting nucleic acid lock (NAL) cycle and hybridization chain reaction (HCR) signal amplification.
View Article and Find Full Text PDFCancer Gene Ther
August 2024
Department of Medical Sciences, University of Turin, Turin, Italy.
Metastatic castration-resistant prostate cancer (mCRPC) is associated with a poor prognosis and remains an incurable fatal disease. Therefore, the identification of molecular markers involved in cancer progression is urgently needed to develop more-effective therapies. The present study investigated the role of the Wnt signaling modulator Dickkopf-1 (DKK1) in the growth and metastatic progression of mCRPC.
View Article and Find Full Text PDFInt J Exp Pathol
June 2024
Graduate Program in Gastroenterology and Hepatology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
J Exp Clin Cancer Res
April 2024
Shengli Clinical Medical College, Fujian Medical University, Fuzhou, 350001, China.
Background: Aberrant fucosylation observed in cancer cells contributes to an augmented release of fucosylated exosomes into the bloodstream, where miRNAs including miR-4732-3p hold promise as potential tumor biomarkers in our pilot study. However, the mechanisms underlying the sorting of miR-4732-3p into fucosylated exosomes during lung cancer progression remain poorly understood.
Methods: A fucose-captured strategy based on lentil lectin-magnetic beads was utilized to isolate fucosylated exosomes and evaluate the efficiency for capturing tumor-derived exosomes using nanoparticle tracking analysis (NTA).
Adv Sci (Weinh)
June 2024
Shengli Clinical Medical College of Fujian Medical University, Fujian Medical University, Fuzhou, 350001, China.
Induction of ferroptosis can inhibit cancer cells in vitro, however, the role of ferroptosis in treatment in vivo is controversial. The immunosuppressive cells activated by the ferroptotic tumor cells can promote the growth of residual tumor cells, hindering the application of ferroptosis stimulation in tumor treatment. In this study, a new strategy is aimed to be identified for effectively triggering immunogenic ferroptosis in pancreatic ductal adenocarcinoma (PDAC) and simultaneously stimulating antitumor immune responses.
View Article and Find Full Text PDFScand J Pain
January 2024
Institute of Basic Health Sciences, Universidade Federal Rio Grande do Sul, Porto Alegre, RS, 90050-170, Brazil.
Objectives: Despite the fact that fibromyalgia, a widespread disease of the musculoskeletal system, has no specific treatment, patients have shown improvement after pharmacological intervention. Pregabalin has demonstrated efficacy; however, its adverse effects may reduce treatment adherence. In this context, neuromodulatory techniques such as transcranial direct current stimulation (tDCS) may be employed as a complementary pain-relieving method.
View Article and Find Full Text PDFPeerJ
March 2024
Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China.
Background: Effective discrimination of lung adenocarcinoma (LUAD) (AIS) from benign pulmonary nodules (BPN) is critical for the early diagnosis of AIS. Our pilot study in a small cohort of 90 serum samples has shown that serum interleukin 6 (IL-6) detection can distinguish AIS from BPN and health controls (HC). In this study, we intend to comprehensively define the diagnostic value of individual and combined detection of serum IL-6 related to the traditional tumor markers carcinoembryonic antigen (CEA) and cytokeratin 19 fragment (CYFRA21-1) for AIS.
View Article and Find Full Text PDFMetab Syndr Relat Disord
June 2024
Graduate Program in Gastroenterology and Hepatology, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.
Extracellular vesicles (EVs) are promising as a biomarker of metabolic dysfunction associated steatotic liver disease (MASLD). The objective is to study EVs and their involvement in MASLD concerning the disease's pathogenesis and progression characteristics. Male adult Sprague Dawley rats were randomly assigned into two experimental models of MASLD: MASLD-16 and MASLD-28, animals received a choline-deficient high-fat diet (CHFD) and Control-16 and Control-28, animals received a standard diet (SD) for 16 and 28 weeks, respectively.
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