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Impact of lymph node metastasis on immune microenvironment and prognosis in colorectal cancer liver metastasis: insights from multiomics profiling.
Br J Cancer
January 2025
Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Background: This study aimed to investigate the prognostic impact of lymph node metastasis (LNM) on patients with colorectal cancer liver metastasis (CRLM) and elucidate the underlying immune mechanisms using multiomics profiling.
Methods: We enrolled patients with CRLM from the US Surveillance, Epidemiology, and End Results (SEER) cohort and a multicenter Chinese cohort, integrating bulk RNA sequencing, single-cell RNA sequencing and proteomics data. The cancer-specific survival (CSS) and immune profiles of the tumor-draining lymph nodes (TDLNs), primary tumors and liver metastasis were compared between patients with and without LNM.
The correlation between LAG-3 expression and the efficacy of chemoimmunotherapy in advanced biliary tract cancer.
Cancer Immunol Immunother
January 2025
Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Road, Beitou District, Taipei, 112201, Taiwan.
In our previous phase II T1219 trial for advanced biliary tract cancer (ABTC), the combination of nivolumab with modified gemcitabine and S-1 exhibited promising efficacy, while the programmed-death-ligand-1 (PD-L1) expression did not predict chemoimmunotherapy efficacy. Lymphocyte-activation-gene-3 (LAG-3), a negative immune checkpoint, is frequently co-expressed with PD-L1. This study assessed the predictive value of LAG-3 expression in ABTC patients who received chemoimmunotherapy.
View Article and Find Full Text PDFUnderstanding the impact of spatial immunophenotypes on the survival of endometrial cancer patients through the ProMisE classification.
Cancer Immunol Immunother
January 2025
Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, 65, Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8560, Japan.
Objectives: We focused on how the immunophenotypes based on the distribution of CD8-positive tumor-infiltrating lymphocytes (TILs) relate to the endometrial cancer (EC) molecular subtypes and patients' prognosis.
Patients And Methods: Two cohorts of EC patients (total n = 145) were analyzed and categorized using the Molecular Risk Classifier for Endometrial cancer (ProMisE): POLEmut (POLE mutation), MMRd (mismatch repair deficiency), NSMP (no specific molecular profile), and p53abn (p53 abnormality). CD8-positive TILs, within the central tumor and the invasive margin, were examined by using immunohistochemical staining and advanced image-analysis software.
Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
National Council of Scientific and Technical Research (CONICET/UNLP), La Plata, Argentina.
Background: Sporadic Alzheimer's Disease (sAD) is the most prevalent progressive neurodegenerative disease worldwide, without a cure. We propose to investigate therapies that contribute to the current state of this problem using a model of sAD in rats based on a single intracerebroventricular (icv) injection of streptozotocin (STZ). In this sense, thymulin (originally known as serum thymic factor, FTS), a thymic peptide, emerges as a potential therapeutic agent due to its proven anti-inflammatory effects.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Florida, Gainesville, FL, USA.
Background: Severe systemic infections can trigger cognitive decline, but the underlying mechanisms and their impact on the manifestation and progression of Alzheimer's disease and other neurodegenerative diseases are poorly understood. The current COVID-19 pandemic has brought a surge of severe viral illness and highlights the importance of understanding the impact of acute infections on cognition and the manifestation of neurodegenerative disease in survivors. A wealth of observational and clinical data suggests major short- and long-term effects of severe infections on cognition, but detailed and systematic analyses of neuropathological changes after acute infections are scarce.
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