{"id":1247,"date":"2022-07-27T16:00:11","date_gmt":"2022-07-27T20:00:11","guid":{"rendered":"https:\/\/www.lifetein.com\/blog\/?p=1247"},"modified":"2024-11-16T21:20:08","modified_gmt":"2024-11-17T02:20:08","slug":"lpetg-peptide-and-srta-reaction-allows-analysis-of-cell-cell-interactions-both-in-vitro-and-in-vivo","status":"publish","type":"post","link":"https:\/\/www.lifetein.com\/blog\/lpetg-peptide-and-srta-reaction-allows-analysis-of-cell-cell-interactions-both-in-vitro-and-in-vivo\/","title":{"rendered":"Revolutionary LIPSTIC Method with LPETG Peptide Illuminates Receptor-Ligand Interactions In Vivo And In Vitro"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"500\" height=\"199\" src=\"https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2023\/10\/Biotin-Ahx-LPETGS-NH2-LifeTein.png\" alt=\"LPETG Peptide\" class=\"wp-image-1629\" srcset=\"https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2023\/10\/Biotin-Ahx-LPETGS-NH2-LifeTein.png 500w, https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2023\/10\/Biotin-Ahx-LPETGS-NH2-LifeTein-300x119.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">-LIPTSTIC mechanism, from the cited paper.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cell interaction analysis is a cornerstone of biological research, providing critical insights into the intricate world of molecular communication within living organisms. While traditional microscopy offers a glimpse into these interactions, it often falls short when it comes to revealing the specific receptors and ligands involved. Enter a groundbreaking method known as Labeling Immune Partnerships by SorTagging Intercellular Contacts, or LIPSTIC for short, which has been developed by a team of innovative scientists using LPETG Peptide.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At the heart of LIPSTIC lies the ingenious combination of a fluorescent LPXTG peptide motif and Staphylococcus aureus transpeptidase Sortase A (SrtA), offering a highly effective means of tracking and studying cell interactions. This novel approach is readily detectable through flow cytometry, making it a game-changer in the field of biological research.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The LIPSTIC method hinges on the LPETG peptide and SrtA reaction, a technique that allows for the labeling of receptor and ligand interactions. LifeTein, a leading supplier in the life sciences industry, played a pivotal role by providing the necessary <a href=\"https:\/\/www.lifetein.com\/peptide-product\/biotinahxlpetgnh2-p-10815.html\" target=\"_blank\" rel=\"noopener\" title=\"\">Biotin-ahx-LPETG<\/a> peptide to the research group. In the LIPSTIC method, a noteworthy ligand or receptor is fused with a tag composed of five N-terminal glycine residues (G5). The SrtA enzyme then graciously donates the fluorescent peptide to this fusion, enabling precise monitoring of the acceptor cell post-separation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most impressive aspects of LIPSTIC is its versatility. It empowers scientists to analyze cell-cell interactions both in vitro and in vivo, offering a comprehensive understanding of molecular partnerships in various biological contexts. Moreover, LIPSTIC&#8217;s sensitivity is a standout feature, as it can even detect rare or low-intensity interactions that might have otherwise remained hidden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In conclusion, the introduction of the LIPSTIC method marks a significant advancement in the field of cell interaction analysis. Its ability to unveil the intricacies of receptor-ligand interactions in living systems, along with its applicability in diverse research settings, positions LIPSTIC as a powerful tool for scientists striving to unlock the secrets of cellular communication.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br \/>Pasqual G, Chudnovskiy A, Tas JMJ, Agudelo M, Schweitzer LD, Cui A, Hacohen N, Victora GD. Monitoring T cell-dendritic cell interactions in vivo by intercellular enzymatic labeling. Nature. 2018 Jan 25;553(7689):496-500. doi: 10.1038\/nature25442. Epub 2018 Jan 17. PMID: 29342141; PMCID: PMC5853129.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cell interaction analysis is a cornerstone of biological research, providing critical insights into the intricate world of molecular communication within living organisms. While traditional microscopy offers a glimpse into these interactions, it often falls short when it comes to revealing &hellip; <a href=\"https:\/\/www.lifetein.com\/blog\/lpetg-peptide-and-srta-reaction-allows-analysis-of-cell-cell-interactions-both-in-vitro-and-in-vivo\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":1526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[4],"tags":[165,166,167,168,171,170,173,161,164,163,27,172,162,169],"class_list":["post-1247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peptide_synthesis","tag-biotin-lpetg","tag-cell","tag-cell-cell","tag-interaction","tag-labeling","tag-lifetein","tag-ligand","tag-lpetg","tag-lpetgs","tag-lpxtg","tag-peptide","tag-receptor","tag-srta","tag-staphylococcus-aureus"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"LPETG Peptide and SrtA Reaction allows Analysis of cell-cell Interactions both in vitro and in vivo with LPETG Peptide\" \/>\n\t<meta name=\"robots\" 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13:50:44","updated":"2025-06-18 03:01:25"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.lifetein.com\/blog\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.lifetein.com\/blog\/category\/peptide_synthesis\/\" title=\"Peptide\">Peptide<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tRevolutionary LIPSTIC Method with LPETG Peptide Illuminates Receptor-Ligand Interactions In Vivo And In Vitro\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.lifetein.com\/blog"},{"label":"Peptide","link":"https:\/\/www.lifetein.com\/blog\/category\/peptide_synthesis\/"},{"label":"Revolutionary LIPSTIC Method with LPETG Peptide Illuminates Receptor-Ligand Interactions In Vivo And In 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