{"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
\"LPETG
-LIPTSTIC mechanism, from the cited paper.<\/figcaption><\/figure>\n\n\n\n

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

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

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 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

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’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

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


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":"

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 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":1526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"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":[],"_links":{"self":[{"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/posts\/1247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/comments?post=1247"}],"version-history":[{"count":0,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/posts\/1247\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/media\/1526"}],"wp:attachment":[{"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/media?parent=1247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/categories?post=1247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifetein.com\/blog\/wp-json\/wp\/v2\/tags?post=1247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}