{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T04:17:26Z","timestamp":1774844246271,"version":"3.50.1"},"reference-count":43,"publisher":"The Company of Biologists","license":[{"start":{"date-parts":[[2021,5,18]],"date-time":"2021-05-18T00:00:00Z","timestamp":1621296000000},"content-version":"am","delay-in-days":1598,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0"}],"funder":[{"name":"Paivikki and Sakari Sohlberg Foundation Finland"},{"name":"The Finnish Cultural Foundation"},{"name":"The Finnish Brain Foundation"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>Neural stem\/progenitor cells (NPCs) generate new neurons in the brain throughout the lifetime in an intricate process called neurogenesis. Neurogenic alterations are a common feature of several adult-onset neurodegenerative diseases. The neuronal ceroid lipofuscinoses (NCLs) are the most common group of inherited neurodegenerative diseases that mainly affect children. Pathological features of the NCLs include accumulation of lysosomal storage material, neuroinflammation, and neuronal degeneration, yet the exact cause of this group of diseases remains poorly understood. The function of the CLN5 protein, causative of the CLN5 disease form of NCL, is unknown. In the present study, we sought to examine neurogenesis in the neurodegenerative disorder caused by loss of Cln5. Our findings demonstrate a novel, critical role for CLN5 in neurogenesis. We report for the first time that neurogenesis is increased in Cln5-deficient mice, which model the childhood neurodegenerative disorder caused by loss of Cln5. Our results demonstrate that in Cln5 deficiency, proliferation of NPCs is increased, NPC migration is reduced, and NPC differentiation towards the neuronal lineage is increased concomitantly with functional alterations in the NPCs. Moreover, the observed impairment in neurogenesis is correlated with increased expression of the pro-inflammatory cytokine IL-1\u03b2. A full understanding of the pathological mechanisms that lead to disease and the function of the NCL proteins are critical for designing effective therapeutic approaches for this devastating neurodegenerative disorder.<\/jats:p>","DOI":"10.1242\/dmm.029165","type":"journal-article","created":{"date-parts":[[2017,7,22]],"date-time":"2017-07-22T00:10:38Z","timestamp":1500682238000},"source":"Crossref","is-referenced-by-count":8,"title":["Loss of CLN5 causes altered neurogenesis in a childhood neurodegenerative disorder"],"prefix":"10.1242","author":[{"given":"E.","family":"Savchenko","sequence":"first","affiliation":[{"name":"A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y.","family":"Singh","sequence":"additional","affiliation":[{"name":"A.I. 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