VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
-
Characterisation of flexor digitorum profundus, flexor digitorum superficialis and extensor digitorum communis by electrophoresis and immunohistochemical analysis of myosin heavy chain isoforms in older men [Elektronski vir]Meznarič, Marija ; Čarni, AndrejIntroduction Few data exist on the fiber type composition of the extrinsic finger muscles. The aim of the present study was to describe myosin heavy chain (MyHC) composition of flexor digitorum ... profundus (FDP), flexor digitorum superficialis (FDS) and extensor digitorum communis (EDC). MyHC composition is relevant for whole muscle contractile performance and several studies on single muscle fibers demonstrated that fibers expressing only slow MyHC-1 develop less specific force than fibers expressing fast MyHCs. Since contraction force of finger extensors is smaller than of finger flexors a hypothesis was posited that the content of MyHC-1 is higher in EDC than in extrinsic finger flexors. Methods Autopsy samples of FDP, FDS, and EDC in 27 healthy older men were analyzed and compared with each other and with biceps brachii (BB). MyHC isoforms were quantified on silver-stained 6% SDS-PAGE. Muscle fibers were classified immunohistochemically according to the expression of adult MyHC isoforms and their morphometric parameters were determined. Results EDC stood out for its higher proportion of slow MyHC-1 (50%) compared to FDP (37%), FDS (38%) and BB (35%) (p < 0.001 in all), and its lower proportion of fast MyHC-2x (13%) compared to FDP (26%, p = 0.001), FDS (22%, p = 0.028) and BB (29%, p < 0.001) detected on SDS-PAGE. Immunohistochemically, EDC had a higher area proportion of pure slow type-1 fibers (63%) than FDP (47%, p = 0.002), FDS (49%, p = 0.007) and BB (47%, p = 0.002), and lower area proportion of pure fast type-2x fibers (2%) than FDP (12%, p = 0.014), FDS (8%, p = 0.256) and BB (14%, p = 0.002). All muscles contained a similar area proportion of pure type-2a fibers and hybrid type-2a/2x fibers. Conclusions The study results support the hypothesis that the content of MyHC-1 is higher in EDC than in extrinsic finger flexors, which is in agreement with the lower contraction force of finger extensors compared to finger flexors.Vir: Annals of anatomy [Elektronski vir]. - ISSN 1618-0402 (Vol. 227, Jan. 2020, str. 1-8)Vrsta gradiva - e-članekLeto - 2020Jezik - angleškiCOBISS.SI-ID - 34445273
Avtor
Meznarič, Marija |
Čarni, Andrej
Teme
immunohistochemistry |
fiber types |
muscles |
imunohistokemija |
vrste vlaken |
mišice
Vnos na polico
Trajna povezava
- URL:
Faktor vpliva
Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
---|---|---|---|---|---|---|---|---|
JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
---|
Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
---|---|
Meznarič, Marija | 04905 |
Čarni, Andrej | 51149 |
Vir: Osebne bibliografije
in: SICRIS
Izberite prevzemno mesto:
Prevzem gradiva po pošti
Naslov za dostavo:
Med podatki člana manjka naslov.
Storitev za pridobivanje naslova trenutno ni dostopna, prosimo, poskusite še enkrat.
S klikom na gumb "V redu" boste potrdili zgoraj izbrano prevzemno mesto in dokončali postopek rezervacije.
S klikom na gumb "V redu" boste potrdili zgoraj izbrano prevzemno mesto in naslov za dostavo ter dokončali postopek rezervacije.
S klikom na gumb "V redu" boste potrdili zgoraj izbrani naslov za dostavo in dokončali postopek rezervacije.
Obvestilo
Trenutno je storitev za avtomatsko prijavo in rezervacijo nedostopna. Gradivo lahko rezervirate sami na portalu Biblos ali ponovno poskusite tukaj kasneje.
Gesla v Splošnem geslovniku COBISS
Izbira mesta prevzema
Gradivo iz matične enote je brezplačno. Če je gradivo na mesto prevzema dostavljeno iz drugih enot, lahko knjižnica to storitev zaračuna.
Mesto prevzema | Status gradiva | Rezervacija |
---|
Rezervacija v teku
Prosimo, počakajte trenutek.
Rezervacija je uspela.
Rezervacija ni uspela.
Rezervacija...
Članska izkaznica:
Mesto prevzema: