{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T08:11:10Z","timestamp":1781079070965,"version":"3.54.1"},"reference-count":52,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,5,17]],"date-time":"2026-05-17T00:00:00Z","timestamp":1778976000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,5,17]],"date-time":"2026-05-17T00:00:00Z","timestamp":1778976000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["PJT 152976"],"award-info":[{"award-number":["PJT 152976"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Bipolar Disorders"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Bipolar disorder (BD) is among the most heritable psychiatric disorders, with a genetic architecture likely consisting of both common genetic variants with small effects and rare variants with strong effects in certain families or populations. Genome\u2010wide association studies (GWAS) with increasingly large sample sizes have identified many susceptibility genes, but common variants in these genes do not have a clear pathophysiological pathway to BD. Genetic linkage studies have the potential to identify rare causal variants in certain families.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>We sought to determine the chromosomal regions linked with BD in a specific family that has many members affected by the lithium\u2010responsive subtype of BD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>We performed genome\u2010wide genetic linkage analysis of a family identified through a lithium\u2010responsive BD index patient with many relatives also affected with lithium\u2010responsive BD\u2010related mood disorders: three with BD I, four with BD II, and one with a major depressive episode.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>WGS (whole genome sequence) data were obtained for 12 members of the lithium\u2010responsive BD pedigree including the eight affected subjects. Both parametric and nonparametric linkage analyses with the narrow BD phenotype and the broader phenotype including all eight with mood disorders provided evidence of linkage to the same region of chromosome 19. The maximum nonparametric linkage score was 3.89 for the broad phenotype, which exceeds typical thresholds for genome\u2010wide significance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>We identified a region of chromosome 19 that has not previously been linked to BD. Nor have significant GWAS variants been found in this region. It is possible that this family has different genetic origins for lithium\u2010responsive BD than other patients studied previously. The family we analyzed is part of a larger cohort of BD patients and their family members, and genetic linkage analysis of additional families could be informative.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>These results provide a starting point for investigating genes in this chromosomal region that may be involved in the pathophysiology of the lithium\u2010responsive subtype of BD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bdi.70112","type":"journal-article","created":{"date-parts":[[2026,5,18]],"date-time":"2026-05-18T05:37:53Z","timestamp":1779082673000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Genetic Linkage for Bipolar Disorder to the Distal Region of Chromosome 19q: A Large Family Whole Genome Sequencing Study"],"prefix":"10.1111","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9753-3182","authenticated-orcid":false,"given":"Albert H. 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