{"id":12574,"date":"2025-01-29T08:00:18","date_gmt":"2025-01-29T01:00:18","guid":{"rendered":"https:\/\/chgcancercenter.com\/?p=12574"},"modified":"2025-01-29T12:04:21","modified_gmt":"2025-01-29T05:04:21","slug":"understanding-msi-h-cancer-treatment","status":"publish","type":"post","link":"https:\/\/chgcancercenter.com\/en\/understanding-msi-h-cancer-treatment\/","title":{"rendered":"Understanding MSI-H: A Key Factor in Cancer Treatment"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12574\" class=\"elementor elementor-12574\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53eb7dc6 e-flex e-con-boxed e-con e-parent\" data-id=\"53eb7dc6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1995faba elementor-widget elementor-widget-text-editor\" data-id=\"1995faba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h1><span style=\"font-size: 24pt;\"><strong>Understanding MSI-H: A Key Factor in Cancer Treatment<\/strong><\/span><\/h1><p class=\"translation-block\">Microsatellite Instability (MSI) is a genetic abnormality caused by defects in DNA repair genes known as Mismatch Repair (MMR) genes, including MLH1, MSH2, MSH6, and PMS2. These defects lead to the accumulation of DNA errors, causing abnormal cell division and increasing the risk of various cancers.<\/p><h2><span style=\"font-size: 18pt;\"><b>Types of MSI<\/b><\/span><\/h2><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><h3><b><span style=\"font-size: 14pt;\">MSI-High (MSI-H):<\/span><\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">There is a high degree of abnormality in microsatellites.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">It is often found in colorectal cancer, endometrial cancer, and stomach cancer.<\/li><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">Often associated with genetic diseases such as Lynch Syndrome.<\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">responds well to immunotherapy (Immunotherapy)<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><h3><span style=\"font-size: 14pt;\"><b>MSI-Low (MSI-L):<\/b><\/span><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">There were few microsatellite abnormalities.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">It is less associated with MMR gene abnormalities than MSI-H.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><h3><span style=\"font-size: 14pt;\"><b>Microsatellite Stable (MSS):<\/b><\/span><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">There were no microsatellite abnormalities.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">It is often found in common cancers that are not related to MMR gene mutations.<\/span><\/li><\/ul><\/li><\/ol><h2><span style=\"font-size: 18pt;\"><b>Cancers Associated with MSI-H<\/b><\/span><\/h2><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Colorectal Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">Frequently found in patients with Lynch Syndrome<\/li><li style=\"font-weight: 400;\" aria-level=\"2\">MSI-H tumors respond well to immunotherapy.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Endometrial Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">It is a cancer that has a high prevalence of MSI abnormalities, especially in women with Lynch Syndrome.<\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">MSI-H guides treatment planning and prognosis.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gastric Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">MSI-H cases show promising responses to immunotherapy.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ovarian Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">Especially in Endometrioid Type, often linked to Lynch Syndrome.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Urothelial Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">MSI-H tumors in the bladder or kidneys may respond to immunotherapy.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pancreatic Cancer<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Although rare, MSI-H can influence treatment choices.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cholangiocarcinoma<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Studies suggest MSI-H may contribute to cancer progression.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Glioblastoma Multiforme (GBM)<\/b><ul><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">MSI-H may impact long-term treatment strategies.<\/span><\/li><\/ul><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03fc15b e-flex e-con-boxed e-con e-parent\" data-id=\"03fc15b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36c3cc6 elementor-widget elementor-widget-text-editor\" data-id=\"36c3cc6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span style=\"color: #000000; font-size: 18pt;\"><b>Role of MSI in Cancer Treatment<\/b><\/span><\/h2><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"color: #000000;\"><b>Screening and Diagnosis:<\/b><\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">MSI testing helps determine the risk of cancer, especially in people with a family history of cancer (Lynch Syndrome).<\/li><li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400; color: #000000;\">Helps assess trends in disease spread and severity.<\/span><\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"color: #000000;\"><b>Treatment Planning:<\/b><\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">MSI-H tumors often respond better to Immunotherapy<\/li><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">Drugs like Pembrolizumab (Keytruda) and Nivolumab (Opdivo) enhance the immune system to fight cancer.<\/li><\/ul><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"color: #000000;\"><b>Prognosis:<\/b><\/span><ul><li style=\"font-weight: 400;\" aria-level=\"2\" class=\"translation-block\">MSI-H cancer patients typically have a better prognosis due to higher responsiveness to immunotherapy.<\/li><\/ul><\/li><\/ol><p class=\"translation-block\">Microsatellite Instability (MSI) is a crucial risk factor in developing cancers such as colorectal, endometrial, and gastric cancer. Early MSI-H detection is vital for strategic treatment planning and effective use of immunotherapy, offering patients better outcomes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a93b92e e-flex e-con-boxed e-con e-parent\" data-id=\"a93b92e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-93ea625 elementor-widget elementor-widget-image\" data-id=\"93ea625\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2.jpg\" class=\"attachment-large size-large wp-image-12583\" alt=\"\u0e2d\u0e34\u0e19\u0e42\u0e1f\u0e01\u0e23\u0e32\u0e1f\u0e34\u0e01\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e04\u0e27\u0e32\u0e21\u0e44\u0e21\u0e48\u0e40\u0e2a\u0e16\u0e35\u0e22\u0e23\u0e02\u0e2d\u0e07\u0e44\u0e21\u0e42\u0e04\u0e23\u0e41\u0e0b\u0e17\u0e40\u0e17\u0e25\u0e44\u0e25\u0e17\u0e4c (MSI) \u0e1e\u0e23\u0e49\u0e2d\u0e21\u0e2a\u0e32\u0e22 DNA \u0e17\u0e35\u0e48\u0e44\u0e2e\u0e44\u0e25\u0e15\u0e4c\u0e0a\u0e37\u0e48\u0e2d MSI-H, MSI-L \u0e41\u0e25\u0e30 MSS \u0e1e\u0e23\u0e49\u0e2d\u0e21\u0e14\u0e49\u0e27\u0e22\u0e20\u0e32\u0e1e\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e02\u0e2d\u0e07\u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e2b\u0e25\u0e32\u0e22\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17 \u0e40\u0e0a\u0e48\u0e19 \u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e25\u0e33\u0e44\u0e2a\u0e49\u0e43\u0e2b\u0e0d\u0e48 \u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e40\u0e22\u0e37\u0e48\u0e2d\u0e1a\u0e38\u0e42\u0e1e\u0e23\u0e07\u0e21\u0e14\u0e25\u0e39\u0e01 \u0e01\u0e23\u0e30\u0e40\u0e1e\u0e32\u0e30\u0e2d\u0e32\u0e2b\u0e32\u0e23 \u0e41\u0e25\u0e30\u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e23\u0e31\u0e07\u0e44\u0e02\u0e48\" srcset=\"https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2.jpg 800w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2-300x225.jpg 300w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2-768x576.jpg 768w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2-16x12.jpg 16w, https:\/\/chgcancercenter.com\/wp-content\/uploads\/2025\/01\/Understanding-MSI-H_-A-Key-Factor-in-Cancer-Treatment2-600x450.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-32e8f1d e-flex e-con-boxed e-con e-parent\" data-id=\"32e8f1d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-18e9011 elementor-widget elementor-widget-ct_text_editor\" data-id=\"18e9011\" data-element_type=\"widget\" data-widget_type=\"ct_text_editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ct_text_editor-18e9011\" class=\"ct-text-editor wow fadeInUp\" data-wow-delay=\"ms\">\n\t<div class=\"ct-item--inner\">\n\t\t<div class=\"ct-inline-css\"  data-css=\"\t        \t\t\t\">\n\n\t    <\/div>\n\t\t<div class=\"ct-text-editor elementor-clearfix\">\n\t\t\t<p class=\"translation-block\">For inquiry, please call <a href=\"tel:0638166058\" target=\"_self\">+66638166058<\/a><\/p>\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc4a6ee e-flex e-con-boxed e-con e-child\" data-id=\"cc4a6ee\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c0616b5 e-con-full e-flex e-con e-child\" data-id=\"c0616b5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e7c50bd elementor-widget elementor-widget-text-editor\" data-id=\"e7c50bd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-family: lineseedsansth;\">Request consultation for treatment plan<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9058c76 e-con-full e-flex e-con e-child\" data-id=\"9058c76\" data-element_type=\"container\" data-settings=\"{&quot;position&quot;:&quot;absolute&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1e4874 elementor-widget elementor-widget-text-editor\" data-id=\"d1e4874\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/lin.ee\/sx9JJLJ\"><img decoding=\"async\" class=\"\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/th.png\" alt=\"\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e19\" width=\"115\" height=\"36\" border=\"0\" \/><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-549157e e-flex e-con-boxed e-con e-child\" data-id=\"549157e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>MSI-H \u0e04\u0e27\u0e32\u0e21\u0e1c\u0e34\u0e14\u0e1b\u0e01\u0e15\u0e34\u0e17\u0e32\u0e07\u0e1e\u0e31\u0e19\u0e18\u0e38\u0e01\u0e23\u0e23\u0e21\u0e17\u0e35\u0e48\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e21\u0e30\u0e40\u0e23\u0e47\u0e07\u0e2b\u0e25\u0e32\u0e22\u0e0a\u0e19\u0e34\u0e14 \u0e15\u0e23\u0e27\u0e08\u0e1e\u0e1a\u0e40\u0e23\u0e47\u0e27 \u0e27\u0e32\u0e07\u0e41\u0e1c\u0e19\u0e23\u0e31\u0e01\u0e29\u0e32\u0e14\u0e49\u0e27\u0e22\u0e20\u0e39\u0e21\u0e34\u0e04\u0e38\u0e49\u0e21\u0e01\u0e31\u0e19\u0e1a\u0e33\u0e1a\u0e31\u0e14\u0e44\u0e14\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e<\/p>","protected":false},"author":2,"featured_media":12587,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[159],"tags":[62,495,959,526,423,623,97,127,120,156,960,961,260,93,90],"class_list":["post-12574","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-treatment-technology","tag-chg-cancer-center","tag-lynch-syndrome","tag-msi-h","tag--msi","tag-423","tag-623","tag-97","tag-127","tag-120","tag-156","tag-960","tag-961","tag-260","tag-93","tag-90"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts\/12574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/comments?post=12574"}],"version-history":[{"count":0,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/posts\/12574\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/media\/12587"}],"wp:attachment":[{"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/media?parent=12574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/categories?post=12574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chgcancercenter.com\/en\/wp-json\/wp\/v2\/tags?post=12574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}