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Aggrecan accumulates at sites of increased pulmonary arterial pressure in idiopathic pulmonary arterial hypertension

Expansion of extracellular matrix occurs in all stages of pulmonary angiopathy associated with pulmonary arterial hypertension (PAH). In systemic arteries, dysregulation and accumulation of the large chondroitin-sulfate proteoglycan aggrecan is associated with swelling and disruption of vessel wall homeostasis. Whether aggrecan is present in pulmonary arteries, and its potential roles in PAH, has

Tumor-Infiltrating Immune Cells Are More Abundant in Lung Metastases From Colorectal Cancer Than in Paired Primary Tumors and Their Prognostic Value Depends on Adjuvant Chemotherapy

INTRODUCTION: The immune microenvironment plays a crucial role in the progression of colorectal cancer (CRC), but its variation across primary tumors and metastatic sites remains incompletely understood. In this study, we compared the composition and prognostic significance of the immune microenvironment in lung metastases, paired primary tumors, and liver metastases from a retrospective cohort of