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Morfološka ocena glukozne in časovne odvisnosti dinamike eksocitotskih granul celic beta Langerhansovih otočkov miši = A morphological assessment of time- and glucose-dependence of exocytotic granule dynamics in beta cells from mouse islets of Langerhans : magistrsko deloOsovnikar, TinaNamen naše raziskave je bila primerjava ultrastrukturnih značilnosti celic beta Langerhansovega otočka v odvisnosti od trajanja izpostavitve glukozi in različnih koncentracij glukoze. Želeli smo ... raziskati delovanje celic beta in dogajanja v zvezi z granulami inzulina v veziklih v opisanih razmerah. Pripravili smo tkivne vzorce in jih analizirali s pomočjo svetlobne mikroskopije in transmisijske elektronske mikroskopije (TEM). Dobljene podatke smo statistično ovrednotili. V raziskavi smo potrdili, da so za proučevanje vpliva koncentracije glukoze na celice beta vibratomske rezine, vključene v epoksidno smolo, učinkovitejše od raziskav na koščkih tkiva, vključenih v epoksidno smolo, ker se endokrino tkivo v raztopinah do 12 mM ohranja nepoškodovano vsaj eno uro. Tudi v tkivnih rezinah je eksokrini del po daljšem času poškodovan, tako da bi za raziskave na eksokrinem tkivu opisano metodo bilo potrebno optimizirati z namenom boljšega preživetja celic. V celicah beta nismo opazili jasnih in konsistentnih morfoloških sprememb, razen pri koncentraciji glukoze 12 mM, kjer je bila velikost veziklov in granul po 15 minutah manjša kot po 30 in 60 minutah. V prihodnjih raziskavah priporočamo uporabo večjega števila živali, otočkov in celic, optimizacijo metode za uporabo na acinarnem tkivu in uporabo na zdravem in bolnem tkivu živalskega in človeškega porekla.Type of material - master's thesisPublication and manufacture - Maribor : [T. Osovnikar], 2017Language - slovenianCOBISS.SI-ID - 23061000
Author
Osovnikar, Tina
Other authors
Lipovšek Delakorda, Saška |
Stožer, Andraž
Topics
Univerzitetna in visokošolska dela |
magistrska dela |
inzulin |
vezikli |
eksocitoza |
Ca2+ kanali |
vibratomske rezine |
master theses |
insulin |
vesicle |
exocytosis |
Ca2+ channels |
tissue-slice techniques
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Library/institution |
City | Acronym | For loan | Other holdings |
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Miklošič Library FPNM, Maribor | Maribor | PEFMB |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Osovnikar, Tina | ![]() |
Lipovšek Delakorda, Saška | 16402 |
Stožer, Andraž | 32132 |
Source: Personal bibliographies
and: SICRIS
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