{"id":1965102,"date":"2019-01-24T14:11:28","date_gmt":"2019-01-24T19:11:28","guid":{"rendered":"https:\/\/www.futurity.org\/?p=1965102"},"modified":"2019-01-24T14:11:28","modified_gmt":"2019-01-24T19:11:28","slug":"abies-beshanzuensis-fir-cancer-1965102-2","status":"publish","type":"post","link":"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/","title":{"rendered":"Endangered tree offers new weapon against cancer"},"content":{"rendered":"<p>Researchers have discovered cancer-fighting potential in a critically endangered species of tree.<\/p>\n<p>Three Chinese fir trees on a nature reserve in southeastern China are the last of their kind. Chemists in China were initially studying the trees, <em>Abies beshanzuensis<\/em>, to look for molecules that might be able to treat diabetes and obesity.<\/p>\n<p>Using only bark and needles that fell from the trees, in order to not further disturb the small population, researchers found that the tree&#8217;s makeup wasn&#8217;t as effective as they&#8217;d hoped in treating these diseases.<\/p>\n<blockquote><p>&#8220;This could improve some of the cancer drugs used today&#8230;&#8221;<\/p><\/blockquote>\n<p>The tree&#8217;s healing powers looked grim until Mingji Dai, an organic chemist at Purdue University, started tinkering with some of its molecules in his lab. His team created synthetic versions of two, and then a few analogs, which have minor structural modifications.<\/p>\n<p>In collaboration with Zhong-Yin Zhang, professor of medicinal chemistry, he found that one of the synthetic analogs was a potent and selective inhibitor of SHP2, an increasingly popular target for cancer treatment. The findings appear in the <a href=\"http:\/\/dx.doi.org\/10.1021\/jacs.8b07652\"><em>Journal of the American Chemical Society<\/em><\/a>.<\/p>\n<p>&#8220;This is one of the most important anti-cancer targets in the pharmaceutical industry right now, for a wide variety of tumors,&#8221; Dai says. &#8220;A lot of companies are trying to develop drugs that work against SHP2.&#8221;<\/p>\n<p>Targeted therapies help treat cancer by interfering with specific proteins that help tumors grow and spread throughout the body. Unlike many of the molecules used to target SHP2 right now, Dai&#8217;s (referred to as &#8220;compound 30&#8221;) forms a chemical bond with the SHP2 protein.<\/p>\n<p>&#8220;With others, it&#8217;s a looser binding. Ours forms a covalent bond, which is more secure and long-lasting,&#8221; Dai says. &#8220;But we also wondered whether this type of molecule could interact with other proteins.&#8221;<\/p>\n<p>With help from chemical biologists at the Scripps Research Institute in Florida, the team went &#8220;fishing&#8221; among proteins. Using a tagged version of compound 29 (which is just a bit structurally different from compound 30) as bait, they caught POLE3, an enzyme that helps synthesize and repair DNA molecules.<\/p>\n<p>This told the team that POLE3 and compound 29 were interacting, but not much else. Alone, compound 29 had no effect on cancer cells. But they knew this compound was drawn to a target protein involved in DNA synthesis, so they started looking for FDA-approved cancer drugs that target DNA for potential combination therapy. They found Etoposide, a DNA-damaging drug used to treat multiple types of cancer. Together, the results were promising.<\/p>\n<p>&#8220;Compound 29 alone doesn&#8217;t kill cancer, but when you combine it with Etoposide, the drug is much more effective,&#8221; Dai says. &#8220;This could improve some of the cancer drugs used today, and it also tells us something new about the function of POLE3. People weren&#8217;t targeting this protein for cancer treatment before, but our findings offer a new strategy for killing cancer cells.&#8221;<\/p>\n<p>The National ������Ƶ Foundation, National Institutes of Health, Eli Lilly, and Amgen supported the work.<\/p>\n<p><em>Source: <a href=\"https:\/\/www.purdue.edu\/newsroom\/releases\/2019\/Q1\/are-we-killing-the-cure.html\">Purdue University <\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have discovered cancer-fighting potential in a critically endangered species of tree. Three Chinese fir [&hellip;]<\/p>\n","protected":false},"author":8762,"featured_media":1965142,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[14],"tags":[135,81,7379,4446,292],"class_list":["post-1965102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-medicine","tag-cancer","tag-china","tag-drug-development","tag-endangered-species","tag-trees","university-purdue-university"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Endangered tree offers new weapon against cancer - ������Ƶ<\/title>\n<meta name=\"description\" content=\"There are only three trees of the species Abies beshanzuensis left, but one of its molecules may pave the way for new cancer treatments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Endangered tree offers new weapon against cancer\" \/>\n<meta property=\"og:description\" content=\"There are only three trees of the species Abies beshanzuensis left, but one of its molecules may pave the way for new cancer treatments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\" \/>\n<meta property=\"og:site_name\" content=\"������Ƶ\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/������Ƶ\/143906865226\" \/>\n<meta property=\"article:published_time\" content=\"2019-01-24T19:11:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2019\/01\/fir_needles_1600.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"915\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kayla Zacharias-Purdue\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@������ƵNews\" \/>\n<meta name=\"twitter:site\" content=\"@������ƵNews\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kayla Zacharias-Purdue\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\"},\"author\":{\"name\":\"Kayla Zacharias-Purdue\",\"@id\":\"https:\/\/www.futurity.org\/#\/schema\/person\/bef40ba4a15ee56619acae82d4083acb\"},\"headline\":\"Endangered tree offers new weapon against cancer\",\"datePublished\":\"2019-01-24T19:11:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\"},\"wordCount\":506,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.futurity.org\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.futurity.org\/wp\/wp-content\/uploads\/2019\/01\/fir_needles_1600.jpg\",\"keywords\":[\"cancer\",\"China\",\"drug development\",\"endangered species\",\"trees\"],\"articleSection\":[\"Health and Medicine\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\",\"url\":\"https:\/\/www.futurity.org\/abies-beshanzuensis-fir-cancer-1965102-2\/\",\"name\":\"Endangered tree offers new weapon against cancer - 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