{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T20:36:03Z","timestamp":1789763763943,"version":"4.0.1"},"reference-count":47,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2021,3,1]],"date-time":"2021-03-01T00:00:00Z","timestamp":1614556800000},"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":["Thyroid\u00ae"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Although studies have reported an increased risk for cognitive disorders in Hashimoto's thyroiditis (HT) patients, even in the euthyroid state, the mechanisms involved remain unclear. The hippocampus is a classic brain region associated with cognitive function, among which the formation of long-term potentiation (LTP) in the Schaffer collateral-CA1 pathway plays an important role in the process of learning and memory. Therefore, this study established a euthyroid HT model in mice and investigated whether and how HT itself has the ability to trigger LTP alterations accompanied by learning and memory abnormality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      An experimental euthyroid HT model was established in NOD mice through immunization with porcine thyroglobulin (Tg). Morris water maze was measured to determine mice spatial learning and memory. We investigated the effect of HT on synaptic transmission and high-frequency stimulation-induced LTP in the Schaffer collateral-CA1 synapse of mice hippocampus\n                      <jats:italic toggle=\"yes\">in vivo<\/jats:italic>\n                      . Then, animals were sacrificed for thyroid-related parameter measure as well as detection of cellular and molecular events associated with the induction of LTP.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      HT mice showed intrathyroidal lymphocyte infiltration and rising serum thyroid autoantibody levels accompanied by normal thyroid function. The HT mice had poorer performance in Morris water maze than controls. These alterations were mirrored by abnormalities in synaptic plasticity in the Schaffer collateral-CA1 synapses of the hippocampus\n                      <jats:italic toggle=\"yes\">in vivo<\/jats:italic>\n                      . The integrity of the synaptic structure is the premise for the production of LTP. As detected by transmission electron microscopy, the ultrastructure of synapse and astrocyte in the hippocampus were impaired in euthyroid HT mice. Additionally, Western blot and real-time polymerase chain reaction analyses confirmed that in HT mice, GS, GLAST, and GLT-1, key elements in glutamate\u2013glutamine circulation located in astrocyte, were downregulated, accompanied by elevated levels of glutamate in the hippocampus, which impaired the material basis for LTP induction. NMDR2B expression in the hippocampus was also downregulated.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>HT can induce damage of LTP in the hippocampal Schaffer collateral-CA1 pathway in the euthyroid state, and this can be attributed, at least partly, to astrocytes impairment, which may underlie the deleterious effects of HT itself on hippocampal-dependent learning and memory function.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/thy.2020.0139","type":"journal-article","created":{"date-parts":[[2020,9,10]],"date-time":"2020-09-10T04:48:05Z","timestamp":1599713285000},"page":"482-493","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":15,"title":["Hashimoto's Thyroiditis Induces Hippocampus-Dependent Cognitive Alterations by Impairing Astrocytes in Euthyroid Mice"],"prefix":"10.1177","volume":"31","author":[{"given":"Nan","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongxia","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaojun","family":"Cai","sequence":"additional","affiliation":[{"name":"Department of Endocrinology, The First Affiliated Hospital of Nanchang University, Nanchang, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiantian","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qin","family":"Xia","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Defa","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fen","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Geriatric Endocrinology, The First Affiliated Hospital of Anhui Medical University, Hefei, 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