{"id":754,"date":"2026-09-01T16:45:45","date_gmt":"2026-09-01T16:45:45","guid":{"rendered":"https:\/\/nhdbio.com\/resources\/thymalfasin-thymosin-alpha-1-sequence-acetylation-quality-guide\/"},"modified":"2026-09-01T16:45:45","modified_gmt":"2026-09-01T16:45:45","slug":"thymalfasin-thymosin-alpha-1-sequence-acetylation-quality-guide","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/fr\/thymalfasin-thymosin-alpha-1-sequence-acetylation-quality-guide\/","title":{"rendered":"Identit\u00e9 de la thymalfasine\u00a0: s\u00e9quence Thymosin Alpha-1 et ac\u00e9tylation"},"content":{"rendered":"<p class=\"pim-standfirst wp-block-paragraph\">La thymalfasine est de la thymosine alpha-1 synth\u00e9tique : un peptide d'acide amin\u00e9 28 d\u00e9fini avec un groupe ac\u00e9tyle N-terminal. La s\u00e9quence et l'ac\u00e9tylation font partie de l'identit\u00e9 et non des d\u00e9tails facultatifs du catalogue.<\/p><div class=\"wp-block-group pim-key-takeaways\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Les preuves en un coup d'\u0153il<\/h2><ul class=\"wp-block-list\"><li>PubChem r\u00e9pertorie la thymalfasine comme un peptide r\u00e9siduel 28 avec un poids mol\u00e9culaire 3108.3 g\/mol.<\/li><li>Sa s\u00e9quence enregistr\u00e9e est Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN-OH.<\/li><li>Le langage du m\u00e9canisme immunologique ne remplace pas le r\u00e9sultat de sepsis neutre de la phase 2025 3.<\/li><\/ul><\/div><\/div><figure class=\"wp-block-image size-full pim-article-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"http:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity.webp\" alt=\"Visualisation analytique en laboratoire d&#039;un peptide de thymalfasine r\u00e9siduel de 28 ac\u00e9tyl\u00e9\" class=\"wp-image-738\" srcset=\"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity.webp 1672w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity-300x169.webp 300w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity-1024x576.webp 1024w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity-768x432.webp 768w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/thymosin-alpha1-identity-1536x864.webp 1536w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><figcaption class=\"wp-element-caption\">Illustration analytique \u00e9ditoriale originale. Il ne d\u00e9crit pas un produit fourni, un lot lib\u00e9r\u00e9, une formulation approuv\u00e9e, un r\u00e9sultat de test ou une utilisation clinique.<\/figcaption><\/figure><h2 class=\"wp-block-heading\">Fiche d'identit\u00e9<\/h2><p class=\"wp-block-paragraph\">Un 28-mer non ac\u00e9tyl\u00e9 et une thymalfasine N-ac\u00e9tyl\u00e9e diff\u00e8rent par une modification chimique d\u00e9finie. Le certificat et les crit\u00e8res d\u2019acceptation de masse doivent correspondre \u00e0 l\u2019\u00e9tat final r\u00e9el.<\/p><div class=\"wp-block-group pim-evidence-table\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><div class=\"pim-evidence-row\"><strong>Noms<\/strong><span>Thymalfasine; thymosine alpha-1<\/span><\/div><div class=\"pim-evidence-row\"><strong>Longueur<\/strong><span>Acides amin\u00e9s 28<\/span><\/div><div class=\"pim-evidence-row\"><strong>\u00c9tat terminal<\/strong><span>N-ac\u00e9tyl\u00e9; acide C-terminal libre<\/span><\/div><div class=\"pim-evidence-row\"><strong>Formule et masse<\/strong><span>C129H215N33O55\u00a0; 3108.3g\/mol<\/span><\/div><div class=\"pim-evidence-row\"><strong>Enregistrement de lot<\/strong><span>S\u00e9quence, masse intacte, chromatographie, contenu, substances associ\u00e9es et liaison de lots<\/span><\/div><\/div><\/div><h2 class=\"wp-block-heading\">Limite analytique et de preuve<\/h2><p class=\"wp-block-paragraph\">La puret\u00e9 des peptides par un seul chromatogramme UV est incompl\u00e8te. L'identit\u00e9 orthogonale, la teneur quantitative en peptides et la caract\u00e9risation des substances associ\u00e9es sont particuli\u00e8rement utiles pour une s\u00e9quence longue et acide.<\/p><p class=\"wp-block-paragraph\">Utilisez \u00ab \u00e9tudi\u00e9 comme immunomodulateur \u00bb pour le contexte de la litt\u00e9rature. \u00c9vitez de pr\u00e9tendre \u00e0 un b\u00e9n\u00e9fice en mati\u00e8re de mortalit\u00e9 en cas de sepsis, car le plus grand essai moderne n\u2019a trouv\u00e9 aucune preuve claire de ce r\u00e9sultat.<\/p><h2 class=\"wp-block-heading\">R\u00e8gle \u00e9ditoriale<\/h2><p class=\"wp-block-paragraph\">Indiquez le mat\u00e9riau exact, la forme, le mod\u00e8le ou la population et le point final pris en charge par l'enregistrement cit\u00e9. Ne convertissez pas la plausibilit\u00e9 m\u00e9caniste, un r\u00e9sultat animal, une \u00e9tiquette de m\u00e9dicament fini ou un test analytique en une all\u00e9gation concernant un lot du catalogue sans rapport.<\/p>","protected":false},"excerpt":{"rendered":"<p>La thymalfasine est de la thymosine alpha-1 synth\u00e9tique : un peptide d'acide amin\u00e9 28 d\u00e9fini avec un groupe ac\u00e9tyle N-terminal. La s\u00e9quence et l'ac\u00e9tylation font partie de l'identit\u00e9 et non des d\u00e9tails facultatifs du catalogue.<\/p>","protected":false},"author":1,"featured_media":738,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"369","pim_article_type":"Evidence and material-quality guide","pim_evidence_level":"Curated peptide identity plus contemporary clinical evidence context","pim_reviewer":"Site evidence editorial team","pim_reviewed_date":"2026-09-02","pim_editorial_note":"Source-checked on 2026-09-02. Null results, study size, model\/population limits and relevant conflicts are retained. This is not medical advice, a customer case or validation of a catalog lot.","pim_review_status":"reviewed","pim_review_reason":"Primary\/regulatory sources, factual claims, numerical results, limitations and product-evidence boundary checked for batch 3.","pim_creation_method":"The editorial workflow began with linked PubMed primary papers, systematic reviews, PubChem identity records and FDA\/DailyMed regulatory records. Population or model, denominators, endpoints, numerical results, null findings, limitations and conflicts were extracted before drafting. AI-assisted drafting and original image generation were used; the final facts and evidence boundaries were checked against the linked records on 2026-09-02. This is not independent peer review.","pim_sources":"[{\"title\":\"TESTS phase 3 thymosin alpha-1 sepsis trial\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39814420\/\",\"note\":\"Primary 2025 multicenter trial; PMID 39814420.\"},{\"title\":\"2025 thymosin alpha-1 sepsis meta-analysis\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40969554\/\",\"note\":\"Eleven RCTs with quality and trial-sequential analyses; PMID 40969554.\"},{\"title\":\"PubChem Thymalfasin record\",\"url\":\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Thymalfasin\",\"note\":\"Sequence, formula, mass and synonym record; CID 16130571.\"}]","footnotes":""},"categories":[20],"tags":[],"class_list":["post-754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evidence-quality-guides"],"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>Thymalfasin Identity: Thymosin Alpha-1 Sequence and Acetylation<\/title>\n<meta name=\"description\" content=\"Thymalfasin is synthetic thymosin alpha-1: a defined 28-amino-acid peptide with an N-terminal acetyl group. 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