{"id":358,"date":"2026-09-21T08:20:05","date_gmt":"2026-09-21T08:20:05","guid":{"rendered":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/?page_id=358"},"modified":"2026-09-21T09:42:35","modified_gmt":"2026-09-21T09:42:35","slug":"idc-p","status":"publish","type":"page","link":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/en\/research-themes\/idc-p\/","title":{"rendered":"IDC-P"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Intraductal Carcinoma of the Prostate (IDC-P)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Intraductal carcinoma of the prostate (IDC-P)<\/strong> is characterized by the growth of highly aggressive prostate cancer cells within pre-existing prostatic ducts and glands and is associated with <strong>high-grade disease, treatment resistance, and poor clinical outcomes<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our research aims to understand how IDC-P develops and progresses, define its molecular pathogenesis, and translate these findings into <strong>new diagnostic and therapeutic strategies<\/strong>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"556\" src=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P1.png\" alt=\"\" class=\"wp-image-246\" style=\"aspect-ratio:1.3093980102298914;width:429px;height:auto\" srcset=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P1.png 728w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P1-300x229.png 300w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000Watanabe R, Haffner M, Nelson P et al. Urol. Oncol. 2026<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">How Does Prostate Cancer Progress to IDC-P?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Using <strong>spatial transcriptomic analysis<\/strong>, we investigate distinct prostate cancer states coexisting within the same tissue while preserving their spatial context.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By comparing gene expression and clonal alterations across spatially defined tumor regions, we aim to reconstruct the <strong>clonal evolution from lower-grade prostate cancer to IDC-P<\/strong> and identify the molecular changes associated with malignant progression.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"409\" src=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P2_2-2.png\" alt=\"\" class=\"wp-image-252\" style=\"aspect-ratio:2.100296976241901;width:472px;height:auto\" srcset=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P2_2-2.png 859w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P2_2-2-300x143.png 300w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDC-P2_2-2-768x366.png 768w\" sizes=\"auto, (max-width: 859px) 100vw, 859px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000Watanabe et al. Int J Mol Sci 2024<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Exploring Molecular Alterations for Diagnosis and Treatment<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">We perform <strong>spatial gene expression profiling and genomic analyses<\/strong> of prostate cancer tissues containing IDC-P to identify molecular alterations associated with this aggressive disease.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By analyzing not only tumor cells but also the surrounding <strong>tumor microenvironment<\/strong>, we aim to identify signaling pathways involved in IDC-P progression as well as <strong>novel biomarkers and therapeutic targets<\/strong>.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDCP3-1024x683.png\" alt=\"\" class=\"wp-image-251\" style=\"aspect-ratio:1.4992772941894452;width:484px;height:auto\" srcset=\"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDCP3-1024x683.png 1024w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDCP3-300x200.png 300w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDCP3-768x512.png 768w, https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-content\/uploads\/2026\/09\/IDCP3.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Publications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Genetic Analysis of Intraductal Carcinoma of the Prostate Detected in High-Grade Prostatic Intraepithelial Neoplasia Cases<\/strong><br>Watanabe R, Miura N, Kurata M, Kitazawa R, Kikugawa T, Saika T.<br><em>Cureus. 2024 Dec 21;16(12):e76165.<\/em><br><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39840193\/\" target=\"_blank\" rel=\"noopener\">PMID: 39840193<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Unveiling the Genomic Landscape of Intraductal Carcinoma of the Prostate Using Spatial Gene Expression Analysis<\/strong><br>Watanabe R, Miura N, Kurata M, Kitazawa R, Kikugawa T, Saika T.<br><em>Int J Mol Sci. 2024 Apr 28;25(9):4818.<\/em><br><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38732035\/\" target=\"_blank\" rel=\"noopener\">PMID: 38732035<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Intraductal Carcinoma of the Prostate (IDC-P) Intraductal carcinoma of the prostate (IDC-P) is characterized b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":376,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","vkExUnit_sitemap":"","_veu_custom_css":"","veu_display_promotion_alert":"","_exclude_from_list_pages":"","vkexunit_cta_each_option":"","vkExUnit_childPageIndex":"","vkExUnit_pageList_ancestor":"","vkExUnit_contact_enable":"","_lightning_design_setting":{"layout":"col-one-no-subsection"},"footnotes":""},"class_list":["post-358","page","type-page","status-publish","hentry"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/pages\/358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/comments?post=358"}],"version-history":[{"count":2,"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/pages\/358\/revisions"}],"predecessor-version":[{"id":360,"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/pages\/358\/revisions\/360"}],"up":[{"embeddable":true,"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/pages\/376"}],"wp:attachment":[{"href":"https:\/\/www.m.ehime-u.ac.jp\/school\/epcrc\/wp-json\/wp\/v2\/media?parent=358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}