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Table 2 Type and number of ligand–receptor pairs

From: Identification and verification of a novel signature that combines cuproptosis-related genes with ferroptosis-related genes in osteoarthritis using bioinformatics analysis and experimental validation

Communication mode

Number of pathways

Number of L–R pair types

Number of L–R pairs

Cell–cell contact

24

54

312

ECM–receptor

7

121

558

Secreted signaling

31

79

360

  1. L–R Ligand–receptor