Association of Polymorphism of the MBL2 Gene in Type 2 Diabetic Patients with Periodontitis: A Preliminary Study

نویسندگان

  • Natália Costa Araújo
  • Darcyla Maria de Aguiar Bello
  • Paulo Roberto Eleutério de Souza
  • Renata Cimões
چکیده

Adresa za dopisivanje Professor Renata Cimões Av Prof. Moraes Rego 1235 Ciudade Universitária Recife-PE, Brazil. 50670-901. Tel. (55) 81 2126-8817 Fax. (55) 2126-8836 [email protected] Sažetak Svrha: Lektin koji veže manozu (MBL) važan je protein urođenog imunološkog sustava. Sposoban je vezati se za šećerne skupine na površini mnogih mikroorganizama i aktivirati komplement u interakciji sa serinskim proteazama. Mutacije ekspresije humanog gena MBL2 povezane su s nekoliko infektivnih bolesti; ovom preliminarnom istraživanju svrha je bila odrediti povezanost polimorfizma na eksonu-1 gena MBL2 i parodontne bolesti kod pacijenata s dijabetesom tipa 2. Ispitanici i postupci: Istraživanjem je bilo obuhvaćeno 50 pacijenata s dijabetesom i svi su na početku bili na kliničkom parodontološkom pregledu na kojemu je na šest mjesta na zubu bila određena dubina sondiranja džepova, krvarenje nakon tog postupka, klinička recesija, zubni plak i broj vlastitih zuba kod pojedinog sudionika. Parodontna bolest definira se kao gubitak pričvrstka od pet milimetara ili više na četiri ili više mjesta, a barem na jednomu treba biti izmjeren džep od četiri ili više milimetara (Beckov kriterij). Bilo je provedeno i prikupljanje stanica oralne sluznice brisom, a detekcija polimorfizma obavljena je tehnikom kvantitativnog RT-PCR-a (real time PCR) pomoću analize krivulje temperature mekšanja. Rezultati: Podaci su pokazali da nema statistički znatnih razlika u frekvenciji genotipova (p=0,564) ili alela (p=0,643) između zdravih ispitanika i onih s parodontitisom. Zaključak: U istraživanom uzorku polimorfizam eksona 1 gena MBL2 nije se mogao povezati s parodontnom bolesti. Ključne riječi Lektin, manoza-vezni; polimorfizam, genetički; parodontitis; diabetes mellitus, tip 2 1 Federalno Sveučilište Pernambuco, Recife, Pernambuco, Brazil (studentica poslijediplomskog studija) Postgraduate student, Federal University of Pernambuco, Recife, Pernambuco, Brazil 2 Zavod za biologiju Federalnog Sveučilišta Pernambuco, Recife, Pernambuco, Brazil Department of Biology, Rural Federal University of Pernambuco, Recife, Pernambuco, Brazil 3 Zavod za stomatološku protetiku i oralnu i facijalnu kirurgiju, Stomatološki fakultet Federalnog Sveučilišta Pernambuco, Recife, Pernambuco, Brazil Department of Prosthesis and Oral and Facial Surgery, School of Dentistry Federal University of Pernambuco, Recife, Pernambuco, Brazil.

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تاریخ انتشار 2009