Year: 2026
Type: editorial
Abstract: A core theme of this collection is the detailed characterization of adaptive immune responses to specific pathogens and their underlying cellular machinery. In a pioneering study, Yu et al. delve into the oftenoverlooked realm of subclinical mastitis caused by Staphylococcus chromogenes. Their work provides the first evidence that γδ T cells are not merely bystanders but active participants in the immune defense of the bovine mammary gland during this chronic infection. The expansion of γδ T cells expressing CD44 and their robust production of IFN-γ, IL-17, and cytotoxic molecules (GZMB) reveal a critical, first-line role for these unconventional lymphocytes. Simultaneously, the observed reduction in CD4⁺CD8⁺ double-positive T cells in the milk points to a potential immunological vulnerability, suggesting a state of exhaustion that may predispose animals to more severe, clinical mastitis. Beyond veterinary applications, these findings have implications for human health, as Staphylococcus species are also important human pathogens.
Source: Frontiers in Immunology
Authors: Zhipeng Zhang, Jie Cheng, Yi Yang
Language: English
Topic: T-cell and B-cell Immunology
Subfield: Immunology
Field: Immunology and Microbiology
Domain: Life Sciences
Open Access status: gold
Estimated APC paid: $3,801
Awards: G2069676190, G4600819228
OpenAlex ID: W7154499005
Cites:
Cited by:
Related to: