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Pregled bibliografske jedinice broj: 1191454

FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME


Majstorović, Dijana; Barišić, Anita; Bilić–Čače Iva; Štifanić, Mauro; Vraneković, Jadranka
FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME // 2nd Congress of Geneticists in BiH with International Participation - Book of Abstracts
Sarajevo: Institute for Genetic Engineering and Biotechnology, University of Sarajevo, 2021. str. 69-69 (poster, međunarodna recenzija, sažetak, znanstveni)


CROSBI ID: 1191454 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME

Autori
Majstorović, Dijana ; Barišić, Anita ; Bilić–Čače Iva ; Štifanić, Mauro ; Vraneković, Jadranka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
2nd Congress of Geneticists in BiH with International Participation - Book of Abstracts / - Sarajevo : Institute for Genetic Engineering and Biotechnology, University of Sarajevo, 2021, 69-69

Skup
2nd Congress of Geneticists in Bosnia and Herzegovina

Mjesto i datum
Bosna i Hercegovina, 13.09.2021. - 17.09.2021

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Down syndrome, Dnmt3b, congenital heart defects

Sažetak
The DNMT3B gene codes for DNA methyltransferase 3b (DNMT3b), a protein required for genome-wide de novo methylation during the early stage of embryonic development. Evidence suggested that impaired DNA methylation could be a risk factor for congenital heart defects (CHD). Down syndrome (DS) is one of the most common chromosomal abnormalities associated with congenital heart defects (CHD), with approximately 40 – 60% of cases showing cardiac defects. The most common CHD phenotypes in DS are congenital malformations of cardiac septa, such as atrioventricular septal defects (AVSDs), ventricular septal defects (VSDs), atrial septal defects (ASDs), and tetralogy of Fallot (TOF). The purpose of this study was to analyze the frequency of the phenotype of CHD as well as allele and genotypes association of functional DNMT3B promoter polymorphism −579 G > T (rs1569686) on the development of CHD in DS. The case-control study included 102 CHD+ Down syndrome cases and 88 non- syndromic CHD cases. The median of the ages for CHD+DS cases was 2 years [0 - 27] and for the control group was 7 years [0 - 32]. Demographic data and phenotype of CHD were collected from medical records of participants after parents and guardians gave their written consent. Genomic DNA was isolated from different types of tissue using a commercial kit and quantified by spectrophotometry. Genotype analysis was performed by PCR-RFLP method. Statistically higher frequencies of AVSD and VSD were detected in a group of CHD+DS than controls (P=0.0044 ; P=0.0225). Study results showed a statistically lower frequency of the DNMT3B rs 1569686 TT genotype (OR = 0.40 ; 95% CI: 0.18 – 0.86 ; P=0.020) in CHD+DS cases compared with controls. AVSD and VSD were the most common CHD phenotypes in DS, which were consistent with the literature. Lower frequencies of DNMT3B (rs1569686) TT genotype in- group CHD+DS suggested that those genotype could decreased risk of CHD in DS individuals. Further ongoing studies will better explain those results.

Izvorni jezik
Engleski

Znanstvena područja
Biotehnologija u biomedicini (prirodno područje, biomedicina i zdravstvo, biotehničko područje)



POVEZANOST RADA


Projekti:
--uniri-biomed-18-230 - Epigenetički i genetički čimbenici u etiologiji prirođenih srčanih grešaka u osoba sa sindromom Down (Vraneković, Jadranka) ( CroRIS)

Ustanove:
Sveučilište Jurja Dobrile u Puli,
Sveučilište u Rijeci

Poveznice na cjeloviti tekst rada:

genubih.ba

Citiraj ovu publikaciju:

Majstorović, Dijana; Barišić, Anita; Bilić–Čače Iva; Štifanić, Mauro; Vraneković, Jadranka
FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME // 2nd Congress of Geneticists in BiH with International Participation - Book of Abstracts
Sarajevo: Institute for Genetic Engineering and Biotechnology, University of Sarajevo, 2021. str. 69-69 (poster, međunarodna recenzija, sažetak, znanstveni)
Majstorović, D., Barišić, A., Bilić–Čače Iva, Štifanić, M. & Vraneković, J. (2021) FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME. U: 2nd Congress of Geneticists in BiH with International Participation - Book of Abstracts.
@article{article, author = {Majstorovi\'{c}, Dijana and Bari\v{s}i\'{c}, Anita and \v{S}tifani\'{c}, Mauro and Vranekovi\'{c}, Jadranka}, year = {2021}, pages = {69-69}, keywords = {Down syndrome, Dnmt3b, congenital heart defects}, title = {FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME}, keyword = {Down syndrome, Dnmt3b, congenital heart defects}, publisher = {Institute for Genetic Engineering and Biotechnology, University of Sarajevo}, publisherplace = {Bosna i Hercegovina} }
@article{article, author = {Majstorovi\'{c}, Dijana and Bari\v{s}i\'{c}, Anita and \v{S}tifani\'{c}, Mauro and Vranekovi\'{c}, Jadranka}, year = {2021}, pages = {69-69}, keywords = {Down syndrome, Dnmt3b, congenital heart defects}, title = {FUNCTIONAL DNMT3B PROMOTER POLYMORPHISM (rs1569686) AND RISK FOR CONGENITAL HEART DEFECTS IN DOWN SYNDROME}, keyword = {Down syndrome, Dnmt3b, congenital heart defects}, publisher = {Institute for Genetic Engineering and Biotechnology, University of Sarajevo}, publisherplace = {Bosna i Hercegovina} }




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