{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T12:25:37Z","timestamp":1789043137129,"version":"build-2803163510"},"reference-count":24,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Biomark&amp;#65533;Insights"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>The renin-angiotensin-aldosterone system (RAAS) plays a crucial role in kidney development and the progression of chronic kidney disease (CKD).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>To identify children with low birth weight (LBW) at risk of CKD who have RAAS activation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design:<\/jats:title>\n                    <jats:p>We conducted a prospective cohort study to evaluate whether a history of LBW contributes to the development of latent RAAS activation using urine samples from patients with short stature with no clinical kidney symptoms. Additionally, among children who had idiopathic nephrotic syndrome (INS), we examined how a history of LBW contributes to the development of latent RAAS activation using residual kidney biopsy samples.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We prospectively evaluated angiotensinogen (AGT) using spot urine in children with and without a history of LBW, who required evaluation for short stature without kidney symptoms at registration. We also performed immunohistochemical staining of AGT using kidney biopsy specimens of subjects with and without a history of LBW who had INS. Urinary AGT was assessed as a marker of intrarenal RAAS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      In 45 children (median age 5\u2009years), urinary AGT\/creatinine (Cr) levels were significantly higher in children with a history of LBW (n\u2009=\u200924) than in those without (n\u2009=\u200921, median: 12.6 vs 6.7\u2009\u00b5g\/g\uff65Cr, mean: 15.4 vs 9.1\u2009\u00b5g\/g\uff65Cr,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;\u2009.01). The unadjusted mean difference between the 2 groups and the 95% confidence interval were 6.3 and (1.6, 11.1), respectively. In the immunohistochemical kidney pathological study, the positive area of AGT staining in the kidney tubules of 3 subjects with a history of LBW was more extensive than that of 3 additional subjects without a history of LBW.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Our results indicated that latent intrarenal RAAS activation in children with a history of LBW persists until early school age and may contribute to the progression of CKD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11772719251379198","type":"journal-article","created":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T07:03:48Z","timestamp":1761548628000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Latent Intrarenal Renin-Angiotensin-Aldosterone System Activation Could Persist Until Early School-Aged in Children with a History of Low Birth Weight"],"prefix":"10.1177","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3863-2743","authenticated-orcid":false,"given":"Shingo","family":"Ishimori","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"},{"name":"Department of Pediatrics, Takatsuki General Hospital, Takatsuki, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0007-8847","authenticated-orcid":false,"given":"Shinya","family":"Ishiko","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Takatsuki General Hospital, Takatsuki, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8542-013X","authenticated-orcid":false,"given":"Junya","family":"Fujimura","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kakogawa Central City Hospital, Kakogawa-cho, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4646-3177","authenticated-orcid":false,"given":"Shuhei","family":"Aoyama","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuka","family":"Kimura","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7763-4675","authenticated-orcid":false,"given":"Hideaki","family":"Kitakado","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3390-0235","authenticated-orcid":false,"given":"Chika","family":"Ueda","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuta","family":"Inoki","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1655-6030","authenticated-orcid":false,"given":"Tomoko","family":"Horinouchi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6107-1169","authenticated-orcid":false,"given":"Tomohiko","family":"Yamamura","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nana","family":"Sakakibara","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4946-1345","authenticated-orcid":false,"given":"China","family":"Nagano","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0290-3137","authenticated-orcid":false,"given":"Kandai","family":"Nozu","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,10,27]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(86)91340-1"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.ajkd.2008.12.042"},{"key":"e_1_3_3_4_2","first-page":"1346","article-title":"Preterm birth and risk of chronic kidney disease from childhood into mid-adulthood: national cohort study","volume":"365","author":"Crump C","year":"2019","unstructured":"Crump C, Sundquist J, Winkleby MA, Sundquist K. 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