{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nAlthough none of the provided abstracts directly mention YWHAEP7, these studies collectively detail critical aspects of type III interferon (IFN‑λ) signaling that could offer indirect insights into the pathways where novel regulatory factors like YWHAEP7 might operate. IFN‑λ, acting through its heterodimeric receptor, is preferentially expressed on epithelial surfaces and establishes an antiviral state by inducing interferon‑stimulated genes (ISGs) that help restrict viral replication at key barrier sites. This antiviral defense is further amplified when IFN‑λ cooperates with other cytokine networks, such as IL‑22, to activate transcription factors like STAT1 and enhance mucosal immunity."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "3"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn the intestine and other mucosal tissues, genetic models that disrupt IFN‑λ receptor expression on epithelial cells have underscored its essential role in controlling enteric viral infections. At the same time, IFN‑λ signaling in professional antigen‑presenting cells—including dendritic cells and, indirectly, in lymphocytes such as B cells and natural killer cells—shapes adaptive immune responses by modulating cell migration, cytokine networks, and antiviral effector functions. These findings collectively demonstrate that IFN‑λ not only acts to restrict primary infections at barrier tissues but also programs immune cells to mount appropriate secondary responses against viral challenges."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "4", "end_ref": "7"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond mucosal immunity, IFN‑λ signaling has been implicated in modifying disease outcomes in a spectrum of clinical settings—from preventing viral neuroinvasion and reducing liver and biliary pathology to influencing tumor surveillance and even modulating antibody responses during malaria infection and congenital viral exposure. In these diverse models, both direct antiviral effects and indirect regulation of barrier integrity and immune cell function are evident, highlighting the pathway’s potential as a therapeutic target. While YWHAEP7 is not explicitly studied in these reports, an improved understanding of IFN‑λ–mediated signaling networks may provide a framework to explore novel regulatory proteins, such as YWHAEP7, that could fine‑tune these antiviral and immunomodulatory responses."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "11"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Fernando Souza-Fonseca-Guimaraes, Arabella Young, Deepak Mittal, et al. "}, {"type": "b", "children": [{"type": "t", "text": "NK cells require IL-28R for optimal in vivo activity."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Proc Natl Acad Sci U S A (2015)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1073/pnas.1424241112"}], "href": "https://doi.org/10.1073/pnas.1424241112"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "25901316"}], "href": "https://pubmed.ncbi.nlm.nih.gov/25901316"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Helen M Lazear, Brian P Daniels, Amelia K Pinto, et al. 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