ArticleBlood advances2023
Vascular surgery patients with elevated neutrophil-to-lymphocyte ratios have downregulated neutrophil complement RNA expression.
Article in Blood advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- A Dynamic Approach to Assessing and Predicting AKI Risk in Patients with Aortoiliac Occlusive Disease Undergoing Aorto-Bifemoral Bypass.Diagnostics (Basel, Switzerland) · 2026Article
- Plasma Proteomic Profile of Chemotherapy-Induced Severe Neutropenia: A Pilot Discovery Phase Study.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Article
- Article
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8 authors at 3 institutions in 1 country.
Funding
Abstract
Elevated neutrophil-to-lymphocyte ratio (NLR) in patients who undergo elective vascular surgery (EVS) have increased mortality independent of perioperative surgical outcome. To understand why high NLR is associated with higher mortality, we investigated neutrophil and lymphocyte transcriptome expression in patients undergoing EVS. Blood samples were collected from patients undergoing EVS and healthy donors for NLR calculation. RNA samples were isolated from patients' neutrophils and lymphocytes and divided into NLR_Low (<3) and NLR_High (≥3) groups (n = 6 each). Paired samples with the highest RNA integrity number (mean = 9.8 ± 0.4) were sequenced and analyzed for differential expression. Normalized data were inputted for downstream analysis using iPathwayGuide (AdvaitaBio) and gene set enrichment analysis using GenePattern and MSigDB (Broad Institute). There was no clinical difference between the patient groups with regard to clinical diagnosis, age, sex, history of hypertension, lipid abnormalities, diabetes mellitus, smoking, or statin use. The mean NLR was 4.37 ± 0.27 SEM in the NLR_High and 1.88 ± 0.16 for the NLR_Low groups. Significantly differentially expressed gene sets identified in the RNA sequence data were enriched highly (P = 1E-24) in the humoral immunity and complement systems. Neutrophils from NLR_High patients downregulated complement genes (C1QA, C1QB, C1QC, C1S, C2, CR2, C3AR1, C3, C8G, and C9 and complement regulatory genes CD59, SERPING1, C4BPA, CFH, and CFI). Downregulation of gene expressions of humoral immunity and complement within the neutrophils are associated with elevated NLR. It remains to be determined whether and how these changes contribute to increased late mortality previously observed in patients undergoing EVS.
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