FRC 衍生的视黄酸：解开乳斑的关键。

Centre for Cardiovascular Science, University of Edinburgh , Edinburgh, UK.

J Exp Med. 2023 May 1;220(5). doi: 10.1084/jem.20230157. Epub 2023 Mar 6.

Milky spots of the omentum enable lymphocyte access to the peritoneal cavity. In this issue of JEM, Yoshihara and Okabe (2023. J. Exp. Med.https://doi.org/10.1084/jem.20221813) demonstrate how secretion of retinoic acid by fibroblastic reticular cells allows lymphocyte entry into milky spots and the peritoneal cavity.

大网膜的乳斑使淋巴细胞能够进入腹腔。在本期的《实验医学杂志》中，Yoshihara 和 Okabe（2023. J. Exp. Med.https://doi.org/10.1084/jem.20221813）展示了成纤维网状细胞分泌视黄酸如何使淋巴细胞进入乳斑和腹腔。