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    <ns1:title language="sr">Vaskularni endotelni faktor rasta u gingivi i pljuvački u dijabetes melitusu : značaj za mehanički stres i oralnu homeostazu kod pacijenata sa imedijatnim mobilnim zubnim nadoknadama</ns1:title>
    <ns2:subtitle language="sr">doktorska disertacija</ns2:subtitle>
    <ns2:alt_title language="en">Gingival and salivary Endothelial Growth Factor in Diabetes Mellitus: Significance in Mechanical Stress and Oral Homeostasis in Immediate Denture Wearers : doctoral dissertation</ns2:alt_title>
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    <ns1:description language="sr">Faktor rasta vaskularnog endotela (Vascular endothelial growth factor, VEGF) ima značajnu ulogu u
procesima angiogeneze, vaskulogeneze i neurogeneze. U fiziološkim uslovima, angiogeneza je
značajna za zarastanje rana i obnovu krvotoka kroz tkiva posle povrede, dok u patološkim uslovima,
kada se poremeti fiziološka regulacija angiogenih faktora rasta, uključujuci VEGF i njihovih
inhibitora dolazi do prekomernog ili nedovoljnog stvaranja krvnih sudova. Na ekspresiju VEGF
značajan efekat imaju lokalni faktori na mestu stvaranja ovog faktora rasta u koje se ubrajaju:
hipoksija, mehanički stres, azot monoksid, ph, glikemija i hormoni.
Stalno prisustvo VEGF je utvrdjeno u tkivima i tečnostima usne šupljine (gingiva, tečnost
gingivalnog sulkusa, pljuvačka), kao i da se ono menja u toku patoloških procesa. Diabetes mellitus
tip 2 (DM tip 2) je oboljenje u kome su najčešće sistemske komplikacije nefropatija, retinopatija i
otežano zarastanje rana, direktno posledice mikro i makrovaskulopatija i neuropatija. Dobro
dokumentovane kliničke studije pokazuju da je DM tip 2 povezan sa povećanom incidencom oralnih
poremećaja kao što su: parodontopatija, hipofunkcija pljuvačnih žlezda, različiti oblici stomatitisa,
kao i usporeno zarastanje rana. Više faktora koji leže u osnovi DM tip 2 utiče na incidencu ovih
oralnih poremećaja: povećan oksidativni stres, smanjene odbrambene snage, hronična inflamacija, vaskulopatije i poremećena sekrecija pljuvačke...</ns1:description>
    <ns1:description language="en">Vascular endothelial growth factor (VEGF) is critical component in processes of angiogenesis,
vasculogenesis and neurogeneis. Angiogenesis is important for wound healing and for restoring
blood flow to tissues after injury or insult. When regulation of angiogenic growth factors, such as
VEGF, fails, blood vessels are formed excessively or insufficiently. Important environmental effects
on VEGF expression include: hypoxia, mechanical stress, nitric oxide, acid conditions, glycemia and
hormones.
VEGF is constitutively expressed in oral tissues such as gingiva, gingival cervical fluid, and saliva
and is affected by various pathological processes. Diabetes mellitus type 2 (DM type 2) is associated
with a range of basic complications such as, neuropathy, microvascular and macrovascular disease
and altered wound healing. Also DM type 2 is linked with increased incidence of several oral
conditions: periodontal disease, salivary gland dysfunction, burning mouth, delayed healing of
wounds and mucosa ulcerations. There is a suggestion that these abnormalities, most likely are
related to increased oxidative stress, compromised host defense, chronic systemic inflammation,
vasculopathy and impaired salivary secretion. It is well documented that DM type 2 and associated
complications significantly alter VEGF levels...</ns1:description>
    <ns1:description language="sr">Stomatološke nauke - Kliničke stomatološke nauke / Dental Sciences - Clinical Dental Sciences
Datum odbrane : 09.04.2014</ns1:description>
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