{"id":2699,"date":"2026-09-26T04:35:01","date_gmt":"2026-09-26T04:35:01","guid":{"rendered":"https:\/\/nhdbio.com\/m2pep-acetylation-serum-stability-binding-tradeoff\/"},"modified":"2026-10-01T14:29:31","modified_gmt":"2026-10-01T14:29:31","slug":"m2pep-acetylation-serum-stability-binding-tradeoff","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/ar\/m2pep-acetylation-serum-stability-binding-tradeoff\/","title":{"rendered":"M2pep in mouse serum: why N-terminal acetylation was not enough"},"content":{"rendered":"<p>\u062d\u0645\u0649 \u062a\u0639\u062f\u064a\u0644 \u0637\u0631\u064a\u0642 \u0627\u0646\u0634\u0642\u0627\u0642 \u0648\u0627\u062d\u062f \u0644\u0643\u0646\u0647 \u0644\u0645 \u064a\u062d\u0644 \u0627\u0644\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0643\u0644\u064a \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0628\u0628\u062a\u064a\u062f \u0645\u0646\u0634\u0648\u0631\u0629.<\/p>\n<h2>\u0645\u0627 \u0627\u062e\u062a\u0628\u0631\u062a\u0647 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u0641\u0639\u0644\u064a\u064b\u0627<\/h2>\n<p>\u062d\u0636\u0651\u0646 \u0627\u0644\u0628\u0627\u062d\u062b\u0648\u0646 \u0628\u0628\u062a\u064a\u062f\u064b\u0627 \u0645\u0648\u062c\u0647\u064b\u0627 \u0644\u0644\u0628\u0644\u0627\u0639\u0645 M2 \u0645\u0648\u0633\u0648\u0645\u064b\u0627 \u0628\u0627\u0644\u0628\u064a\u0648\u062a\u064a\u0646 \u0641\u064a \u0645\u0635\u0644 \u0627\u0644\u0641\u0623\u0631\u060c \u0648\u062d\u0644\u0644\u0648\u0627 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u062a\u0628\u0642\u064a\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 MALDI-TOF MS. \u0644\u0645 \u064a\u064f\u0643\u062a\u0634\u0641 \u0625\u0634\u0627\u0631\u0629 M2pepBiotin \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0628\u0639\u062f \u0623\u0631\u0628\u0639 \u0633\u0627\u0639\u0627\u062a. \u062d\u0645\u0649 \u0627\u0644\u0623\u0633\u062a\u0644\u0629 \u0639\u0646\u062f \u0627\u0644\u0646\u0647\u0627\u064a\u0629 N \u0645\u0646 \u0627\u0644\u0627\u0646\u0634\u0642\u0627\u0642 \u0628\u0648\u0627\u0633\u0637\u0629 \u0625\u0643\u0633\u0648\u0628\u0628\u062a\u064a\u062f\u0627\u0632 \u0627\u0644\u0646\u0647\u0627\u064a\u0629 N\u060c \u0644\u0643\u0646 \u0627\u0644\u0646\u0638\u064a\u0631 \u0627\u0644\u0645\u0624\u0633\u062a\u0644 \u062e\u0636\u0639 \u0645\u0639 \u0630\u0644\u0643 \u0644\u0627\u0646\u0634\u0642\u0627\u0642 \u062f\u0627\u062e\u0644\u064a. \u0623\u062f\u0649 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 D-\u062a\u0631\u0628\u062a\u0648\u0641\u0627\u0646 \u0639\u0646\u062f W10 \u0625\u0644\u0649 \u062d\u0645\u0627\u064a\u0629 \u0645\u0648\u0642\u0639 \u062f\u0627\u062e\u0644\u064a \u0648\u0627\u062d\u062f \u0644\u0643\u0646\u0647 \u0623\u0632\u0627\u0644 \u0646\u0634\u0627\u0637 \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0627\u0644\u0630\u064a \u0644\u0648\u062d\u0638 \u0644\u0630\u0644\u0643 \u0627\u0644\u0646\u0638\u064a\u0631 \u0641\u064a \u0627\u0644\u062f\u0631\u0627\u0633\u0629.<\/p>\n<h2>\u0623\u0631\u0642\u0627\u0645 \u062a\u0633\u062a\u062d\u0642 \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0641\u064a \u0633\u064a\u0627\u0642\u0647\u0627<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u062f\u0631\u0627\u0633\u0629<\/th>\n<th>\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0627\u0644\u0628\u0628\u062a\u064a\u062f \u0627\u0644\u0623\u0635\u0644\u064a<\/td>\n<td>\u0644\u0645 \u064a\u064f\u0643\u062a\u0634\u0641 \u0639\u0646\u062f 4 \u0633\u0627\u0639\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u0648\u0642\u0639 \u0627\u0644\u0645\u062d\u0645\u064a<\/td>\n<td>W10\/W11<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0628\u062f\u064a\u0644<\/td>\n<td>D-Trp \u0639\u0646\u062f W10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u201c\u0623\u0633\u062a\u064a\u0644\u064a\u201d \u0648\u0635\u0641 \u0628\u0646\u064a\u0648\u064a\u060c \u0648\u0644\u064a\u0633 \u0636\u0645\u0627\u0646\u064b\u0627 \u0644\u062b\u0628\u0627\u062a \u0627\u0644\u0645\u0635\u0644. \u0641\u0635\u0644\u062a \u0627\u0644\u0648\u0631\u0642\u0629 \u0628\u064a\u0646 \u0627\u0644\u0647\u0648\u064a\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0648\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u062d\u0644\u0644 \u0648\u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627\u0644\u0647\u062f\u0641: \u062a\u062d\u0633\u064a\u0646 \u0645\u0642\u064a\u0627\u0633 \u0648\u0627\u062d\u062f \u063a\u064a\u0651\u0631 \u0645\u0642\u064a\u0627\u0633\u064b\u0627 \u0622\u062e\u0631. \u0643\u0627\u0646\u062a \u0645\u0644\u0627\u062d\u0638\u0629 \u0627\u0644\u0623\u0631\u0628\u0639 \u0633\u0627\u0639\u0627\u062a \u0646\u062a\u064a\u062c\u0629 \u0641\u062d\u0635 \u0641\u064a \u0645\u0635\u0644 \u0627\u0644\u0641\u0623\u0631\u060c \u0648\u0644\u064a\u0633\u062a \u0639\u0645\u0631 \u0646\u0635\u0641 \u0628\u0634\u0631\u064a \u0623\u0648 \u0645\u0648\u0627\u0635\u0641\u0629 \u0644\u0643\u0644 \u0628\u0628\u062a\u064a\u062f \u064a\u062d\u0645\u0644 \u0623\u0633\u062a\u0644\u0629 \u0627\u0644\u0637\u0631\u0641 N.<\/p>\n<h2>\u0645\u0627 \u064a\u062c\u0628 \u0625\u062f\u0631\u0627\u062c\u0647 \u0641\u064a \u0637\u0644\u0628 \u0627\u0644\u0639\u0631\u0636 \u0623\u0648 \u062e\u0637\u0629 \u0627\u0644\u062a\u062c\u0631\u0628\u0629<\/h2>\n<p>\u0639\u0646\u062f \u0637\u0644\u0628 \u0646\u0638\u064a\u0631 \u0644\u0641\u062d\u0635 \u0648\u0638\u064a\u0641\u064a\u060c \u062d\u062f\u0651\u062f \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0637\u0631\u0641 N \u0648\u0627\u0644\u0637\u0631\u0641 C \u0628\u062f\u0642\u0629\u060c \u0648\u0643\u0644 \u0628\u0642\u0627\u064a\u0627 D\/L\u060c \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0623\u0648 \u0627\u0644\u0641\u0627\u0635\u0644\u060c \u0648\u0646\u0642\u0637\u0629 \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0645\u0647\u0645\u0629. \u0625\u0630\u0627 \u0627\u0642\u062a\u0631\u062d \u0645\u0648\u0631\u0651\u062f \u062a\u0639\u062f\u064a\u0644\u064b\u0627 \u0644\u0644\u062b\u0628\u0627\u062a\u060c \u0641\u0627\u0637\u0644\u0628 \u062a\u0623\u0643\u064a\u062f\u064b\u0627 \u062a\u062d\u0644\u064a\u0644\u064a\u064b\u0627 \u0644\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0648\u0627\u062e\u062a\u0628\u0631 \u0627\u0644\u062a\u062d\u0644\u0644 \u0648\u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0645\u0639\u064b\u0627 \u062a\u062d\u062a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629. \u0644\u0627 \u062a\u0639\u0627\u0645\u0644 \u0646\u0638\u064a\u0631\u064b\u0627 \u0645\u0645\u0627\u062b\u0644\u064b\u0627 \u0641\u064a \u0627\u0644\u0643\u062a\u0644\u0629 \u0623\u0648 \u0627\u0644\u0627\u0633\u0645 \u0639\u0644\u0649 \u0623\u0646\u0647 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0628\u0627\u062f\u0644.<\/p>\n<h2>\u062d\u062f \u0627\u0644\u0623\u062f\u0644\u0629<\/h2>\n<p>\u0647\u0630\u0627 \u0639\u0645\u0644 \u062e\u0627\u0631\u062c\u064a \u0642\u0628\u0644 \u0633\u0631\u064a\u0631\u064a \u0639\u0644\u0649 \u0639\u0627\u0626\u0644\u0629 \u0628\u0628\u062a\u064a\u062f \u0645\u0639\u064a\u0646\u0629. \u0648\u0647\u0648 \u0644\u064a\u0633 \u0627\u062e\u062a\u0628\u0627\u0631 \u062f\u0641\u0639\u0629 NHD\u060c \u0648\u0644\u0627 \u0627\u062f\u0639\u0627\u0621\u064b \u0633\u0631\u064a\u0631\u064a\u064b\u0627\u060c \u0648\u0644\u0627 \u062f\u0644\u064a\u0644\u064b\u0627 \u0639\u0644\u0649 \u0623\u0646 \u0627\u0644\u062a\u0639\u062f\u064a\u0644 \u0646\u0641\u0633\u0647 \u064a\u0639\u0645\u0644 \u0644\u0647\u062f\u0641 \u0622\u062e\u0631.<\/p>\n<h2>\u0627\u0644\u0645\u0635\u0627\u062f\u0631 \u0648\u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/h2>\n<p>\u0627\u0644\u0628\u062d\u062b \u0627\u0644\u0623\u0633\u0627\u0633\u064a: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4924508\/\">\u0627\u0633\u062a\u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0635\u0644 \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u0644\u0641\u0629 \u0644\u0628\u0628\u062a\u064a\u062f M2 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641 \u0644\u0644\u0628\u0644\u0639\u0645\u064a\u0627\u062a<\/a>. \u0647\u0630\u0647 \u0627\u0644\u0623\u0631\u0642\u0627\u0645 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0644\u064a\u0633\u062a \u0646\u062a\u0627\u0626\u062c \u0627\u062e\u062a\u0628\u0627\u0631 \u0644\u062f\u0641\u0639\u0629 NHD.<\/p>\n<p>\u062f\u0644\u064a\u0644 NHD \u0630\u0648 \u0627\u0644\u0635\u0644\u0629: <a href=\"https:\/\/nhdbio.com\/ar\/%d8%b7%d9%84%d8%a8-%d8%a7%d9%84%d8%a8%d8%a8%d8%aa%d9%8a%d8%af%d8%a7%d8%aa-%d8%a7%d9%84%d9%85%d9%8f%d9%88%d8%b3%d9%88%d9%85%d8%a9-%d8%a8%d8%a7%d9%84%d8%a8%d9%8a%d9%88%d8%aa%d9%8a%d9%86-%d8%a7%d9%84\/\">\u0627\u0642\u0631\u0623 \u0627\u0644\u0645\u0642\u0627\u0644 \u0630\u0627 \u0627\u0644\u0635\u0644\u0629<\/a>. \u0644\u0633\u0624\u0627\u0644 \u062e\u0627\u0635 \u0628\u0645\u0627\u062f\u0629 \u0645\u0639\u064a\u0646\u0629\u060c <a href=\"https:\/\/nhdbio.com\/ar\/%d8%a7%d9%82%d8%aa%d8%a8%d8%a7%d8%b3\/\">\u0627\u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631 \u0645\u0643\u062a\u0648\u0628<\/a> \u0645\u0639 \u0627\u0644\u062a\u0633\u0644\u0633\u0644 \u0648\u0627\u0644\u0643\u0645\u064a\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0648\u0627\u0644\u0633\u062c\u0644\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u062d\u0645\u0649 \u062a\u0639\u062f\u064a\u0644 \u0637\u0631\u064a\u0642 \u0627\u0646\u0634\u0642\u0627\u0642 \u0648\u0627\u062d\u062f \u0644\u0643\u0646\u0647 \u0644\u0645 \u064a\u062d\u0644 \u0627\u0644\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0643\u0644\u064a \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0628\u0628\u062a\u064a\u062f \u0645\u0646\u0634\u0648\u0631\u0629.<\/p>","protected":false},"author":1,"featured_media":2740,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"","pim_article_type":"Primary-literature evidence note","pim_evidence_level":"External laboratory or process evidence; not clinical or NHD lot validation","pim_reviewer":"AI-assisted source cross-check (not independent expert peer review)","pim_reviewed_date":"2026-09-28","pim_editorial_note":"This is external preclinical work on a particular peptide family. It is not an NHD batch test, a clinical claim, or evidence that the same modification works for another target.","pim_review_status":"reviewed","pim_review_reason":"","pim_creation_method":"AI-assisted writing and source verification. Numerical claims were checked against the linked full-text records, with source inconsistencies identified in the article. This is not independent scientific peer review or verification of a supplied lot.","pim_sources":"[{\"title\":\"Serum Stability and Affinity Optimization of an M2 Macrophage-Targeting Peptide\",\"url\":\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4924508\/\",\"note\":\"\"}]","footnotes":""},"categories":[19],"tags":[],"class_list":["post-2699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-published-study-cases"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M2pep in Mouse Serum: Why N-terminal Acetylation Was Not Enough - NHD<\/title>\n<meta name=\"description\" content=\"A modification protected one cleavage route but did not solve overall degradation in a published peptide series. Read the study data, limitations and practical questions for a research peptide order.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nhdbio.com\/ar\/m2pep-acetylation-serum-stability-binding-tradeoff\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M2pep in Mouse Serum: Why N-terminal Acetylation Was Not Enough\" \/>\n<meta property=\"og:description\" content=\"A modification protected one cleavage route but did not solve overall degradation in a published peptide series. 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