{"id":121602,"date":"2022-08-29T19:32:16","date_gmt":"2022-08-30T02:32:16","guid":{"rendered":"https:\/\/www.pandasilk.com\/what-is-silk-fibroin-scaffold\/"},"modified":"2025-01-15T10:45:00","modified_gmt":"2025-01-15T18:45:00","slug":"what-is-silk-fibroin-scaffold","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/what-is-silk-fibroin-scaffold\/","title":{"rendered":"Hedv\u00e1bn\u00fd fibroin: le\u0161en\u00ed pro tk\u00e1\u0148ov\u00e9 in\u017een\u00fdrstv\u00ed"},"content":{"rendered":"

Hedv\u00e1b\u00ed je materi\u00e1l zn\u00e1m\u00fd svou jemnost\u00ed a leskem, ale m\u00e1lokdo si uv\u011bdomuje jeho potenci\u00e1l v modern\u00ed medic\u00edn\u011b a tk\u00e1\u0148ov\u00e9m in\u017een\u00fdrstv\u00ed. Z\u00e1kladem tohoto potenci\u00e1lu je fibroin, protein, kter\u00fd tvo\u0159\u00ed hlavn\u00ed slo\u017eku hedv\u00e1bn\u00e9ho vl\u00e1kna. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na to, co p\u0159esn\u011b je fibroinov\u00e9 le\u0161en\u00ed z hedv\u00e1b\u00ed a jak se vyu\u017e\u00edv\u00e1.<\/p>\n

Struktura a vlastnosti fibroinu<\/h3>\n

Fibroin je protein s unik\u00e1tn\u00ed strukturou, kter\u00e1 mu prop\u016fj\u010duje pozoruhodn\u00e9 mechanick\u00e9 vlastnosti. Skl\u00e1d\u00e1 se z opakuj\u00edc\u00edch se aminokyselinov\u00fdch sekvenc\u00ed bohat\u00fdch na glycin, alanin a serin. Toto slo\u017een\u00ed vede k tvorb\u011b \u03b2-skl\u00e1dan\u00fdch list\u016f, kter\u00e9 dod\u00e1vaj\u00ed fibroinu vysokou pevnost v tahu a z\u00e1rove\u0148 pru\u017enost.<\/p>\n

V\u00fdroba fibroinov\u00e9ho le\u0161en\u00ed<\/h3>\n

Proces v\u00fdroby fibroinov\u00e9ho le\u0161en\u00ed za\u010d\u00edn\u00e1 extrakc\u00ed fibroinu z hedv\u00e1bn\u00fdch vl\u00e1ken. Existuje n\u011bkolik metod extrakce, ale c\u00edlem je v\u017edy izolovat \u010dist\u00fd fibroin a odstranit sericin, dal\u0161\u00ed protein obsa\u017een\u00fd v hedv\u00e1b\u00ed. N\u00e1sledn\u011b se fibroin zpracov\u00e1v\u00e1 do r\u016fzn\u00fdch forem le\u0161en\u00ed, nap\u0159\u00edklad:<\/p>\n

    \n
  1. Hydrogel:<\/strong> Fibroin rozpu\u0161t\u011bn\u00fd ve vod\u011b m\u016f\u017ee b\u00fdt pou\u017eit k vytvo\u0159en\u00ed hydrogelu, trojrozm\u011brn\u00e9 s\u00edt\u011b polymern\u00edch \u0159et\u011bzc\u016f.<\/li>\n
  2. Film:<\/strong> Tenk\u00e9 filmy z fibroinu lze p\u0159ipravit su\u0161en\u00edm roztoku fibroinu.<\/li>\n
  3. Por\u00e9zn\u00ed struktura:<\/strong> Vytv\u00e1\u0159en\u00ed por\u00e9zn\u00ed struktury je kl\u00ed\u010dov\u00e9 pro podporu r\u016fstu bun\u011bk. P\u00f3ry se do le\u0161en\u00ed vkl\u00e1daj\u00ed r\u016fzn\u00fdmi metodami, nap\u0159\u00edklad lyofilizac\u00ed.<\/li>\n<\/ol>\n\n\n\n\n\n\n\n
    Metoda v\u00fdroby<\/th>\nV\u00fdhody<\/th>\nNev\u00fdhody<\/th>\n<\/tr>\n<\/thead>\n
    Hydrogel<\/td>\nSnadn\u00e1 manipulace, injikovateln\u00fd<\/td>\nNi\u017e\u0161\u00ed mechanick\u00e1 pevnost<\/td>\n<\/tr>\n
    Film<\/td>\nVysok\u00e1 pevnost, flexibilita<\/td>\nOmezen\u00e1 p\u00f3rovitost<\/td>\n<\/tr>\n
    Por\u00e9zn\u00ed struktura<\/td>\nIde\u00e1ln\u00ed pro r\u016fst bun\u011bk, vysok\u00e1 povrchov\u00e1 plocha<\/td>\nSlo\u017eit\u011bj\u0161\u00ed v\u00fdroba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Aplikace fibroinov\u00e9ho le\u0161en\u00ed v tk\u00e1\u0148ov\u00e9m in\u017een\u00fdrstv\u00ed<\/h3>\n

    D\u00edky sv\u00fdm biokompatibiln\u00edm vlastnostem, n\u00edzk\u00e9 imunogenicit\u011b a mo\u017enosti modifikace se fibroinov\u00e9 le\u0161en\u00ed st\u00e1v\u00e1 st\u00e1le popul\u00e1rn\u011bj\u0161\u00edm materi\u00e1lem v tk\u00e1\u0148ov\u00e9m in\u017een\u00fdrstv\u00ed. Uplat\u0148uje se nap\u0159\u00edklad v:<\/p>\n

      \n
    • Regeneraci kost\u00ed:<\/strong> Fibroinov\u00e9 le\u0161en\u00ed m\u016f\u017ee slou\u017eit jako nosi\u010d pro r\u016fst kostn\u00edch bun\u011bk a podporovat regeneraci kostn\u00ed tk\u00e1n\u011b.<\/li>\n
    • Regeneraci chrupavky:<\/strong> Podobn\u011b jako u kost\u00ed, fibroin m\u016f\u017ee b\u00fdt vyu\u017eit k regeneraci chrupavky.<\/li>\n
    • Hojen\u00ed ran:<\/strong> Fibroinov\u00e9 filmy a hydrogely mohou urychlit hojen\u00ed ran.<\/li>\n<\/ul>\n

      Mo\u017enosti modifikace fibroinov\u00e9ho le\u0161en\u00ed<\/h3>\n

      Vlastnosti fibroinov\u00e9ho le\u0161en\u00ed lze d\u00e1le modifikovat, nap\u0159\u00edklad p\u0159id\u00e1n\u00edm r\u016fstov\u00fdch faktor\u016f, kter\u00e9 stimuluj\u00ed r\u016fst specifick\u00fdch bun\u011bk. T\u00edm se roz\u0161i\u0159uj\u00ed mo\u017enosti jeho vyu\u017eit\u00ed v regenerativn\u00ed medic\u00edn\u011b.<\/p>\n

      Z\u00e1v\u011brem lze konstatovat, \u017ee fibroinov\u00e9 le\u0161en\u00ed z hedv\u00e1b\u00ed p\u0159edstavuje slibn\u00fd biomateri\u00e1l s \u0161irok\u00fdm spektrem aplikac\u00ed v tk\u00e1\u0148ov\u00e9m in\u017een\u00fdrstv\u00ed a regenerativn\u00ed medic\u00edn\u011b. Jeho biokompatibilita, mechanick\u00e9 vlastnosti a mo\u017enosti modifikace z n\u011bj \u010din\u00ed atraktivn\u00ed alternativu k syntetick\u00fdm materi\u00e1l\u016fm. V\u00fdzkum v t\u00e9to oblasti neust\u00e1le pokra\u010duje a s dal\u0161\u00edm v\u00fdvojem se o\u010dek\u00e1v\u00e1 je\u0161t\u011b \u0161ir\u0161\u00ed uplatn\u011bn\u00ed fibroinov\u00e9ho le\u0161en\u00ed v budoucnosti.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Hedv\u00e1b\u00ed je materi\u00e1l zn\u00e1m\u00fd svou jemnost\u00ed a leskem, ale m\u00e1lokdo si uv\u011bdomuje jeho potenci\u00e1l v modern\u00ed medic\u00edn\u011b a tk\u00e1\u0148ov\u00e9m in\u017een\u00fdrstv\u00ed. Z\u00e1kladem tohoto potenci\u00e1lu je fibroin, protein, kter\u00fd tvo\u0159\u00ed hlavn\u00ed slo\u017eku hedv\u00e1bn\u00e9ho vl\u00e1kna. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na to, co p\u0159esn\u011b je fibroinov\u00e9 le\u0161en\u00ed z hedv\u00e1b\u00ed a jak se vyu\u017e\u00edv\u00e1. Struktura a vlastnosti fibroinu Fibroin je<\/p>\n","protected":false},"author":1,"featured_media":90300,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37890],"tags":[],"class_list":["post-121602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silk-benefits-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=121602"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121602\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/90300"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=121602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=121602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=121602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}