{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T00:06:25Z","timestamp":1791158785822,"version":"4.1.0"},"reference-count":43,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2007,11,1]],"date-time":"2007-11-01T00:00:00Z","timestamp":1193875200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2007,11,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>There is growing evidence that resident cells, such as fibroblasts and epithelial cells, can drive the persistent accumulation of dendritic cells (DCs) in chronically inflamed tissue, leading to the organization and the maintenance of ectopic lymphoid aggregates. This phenomenon, occurring through a chemokine-mediated retention mechanism, has been documented in various disorders, but not in fibrotic interstitial lung disorders in which the presence of organized lymphoid follicles has been documented.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To characterize the distribution of DCs in fibrotic lung, and to analyze the expression of the main chemokines known to regulate DC recruitment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Lung resection tissue (lungs with idiopathic pulmonary fibrosis; n = 12; lungs with nonspecific interstitial pneumonia, n = 5; control lungs, n = 5) was snap-frozen for subsequent immunohistochemical techniques on serial sections and reverse transcriptase\u2013polymerase chain reaction analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements and Main Results<\/jats:title>\n                    <jats:p>Results were similar in idiopathic pulmonary fibrosis and nonspecific interstitial pneumonia lungs, which were heavily infiltrated by immature DCs in established fibrosis and in areas of epithelial hyperplasia. Altered epithelial cells and fibroblasts, particularly in fibroblastic foci, frankly expressed all chemokines (CCL19, CCL20, CCL22, and CXCL12) susceptible to favor the recruitment of immune cells. Lymphoid follicles were infiltrated by maturing DCs, which could originate from the pool of DCs accumulating in their vicinity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These findings suggest that resident cells in pulmonary fibrosis can sustain chronic inflammation by driving the accumulation of DCs with the potential to mature locally within ectopic lymphoid follicles. Future strategies should consider DCs or chemokines as therapeutic targets in the treatment of pulmonary fibrosis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1164\/rccm.200609-1347oc","type":"journal-article","created":{"date-parts":[[2007,11,5]],"date-time":"2007-11-05T16:22:03Z","timestamp":1194279723000},"page":"1007-1014","source":"Crossref","is-referenced-by-count":108,"title":["Dendritic Cells Accumulate in Human Fibrotic Interstitial Lung Disease"],"prefix":"10.1093","volume":"176","author":[{"given":"Jo\u00eblle","family":"Marchal-Somm\u00e9","sequence":"first","affiliation":[{"name":"Inserm, U 700, and Facult\u00e9 de M\u00e9decine Paris-Nord, site Bichat, Universit\u00e9 Paris 7, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yurdagul","family":"Uzunhan","sequence":"additional","affiliation":[{"name":"Inserm, U 700, and Facult\u00e9 de M\u00e9decine Paris-Nord, site Bichat, Universit\u00e9 Paris 7, Paris, 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