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001-es BibID:BIBFORM116380
035-os BibID:(cikkazonosító)15334 (WoS)001099393900001 (Scopus)85175276027
Első szerző:Madar László (klinikai laboratóriumi kutató)
Cím:Double Heterozygosity for Rare Deleterious Variants in the BRCA1 and BRCA2 Genes in a Hungarian Patient with Breast Cancer / Madar László, Majoros Viktória, Szűcs Zsuzsanna, Nagy Orsolya, Babicz Tamás, Butz Henriett, Patócs Attila, Balogh István, Koczok Katalin
Dátum:2023
ISSN:1422-0067
Megjegyzések:Hereditary breast cancer is most commonly attributed to germline BRCA1 and BRCA2 gene variants. The vast majority of BRCA1 and BRCA2 mutation carriers are single heterozygotes, and double heterozygosity (DH) is a very rare finding. Here, we describe the case of a BRCA1/BRCA2 double heterozygous female proband diagnosed with breast cancer. Genetic testing for hereditary breast and ovarian cancer revealed two pathogenic variants in the BRCA1 (c.5095C>T, p.(Arg1699Trp)) and in BRCA2 genes (c.658_659delGT, p.(Val220Ilefs*4)) in heterozygous form. None of the variants were founder Jewish mutations; to our knowledge, these rare deleterious variants have not been previously described in DH patients in the literature. The patient had triple-negative unilateral breast cancer at the age of 36 and 44 years. Based on family studies, the BRCA1 variant was maternally inherited.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
BRCA1
BRCA2
double heterozygosity
breast cancer
Megjelenés:International Journal Of Molecular Sciences. - 24 : 20 (2023), p. 1-7. -
További szerzők:Majoros Viktória Szűcs Zsuzsanna (1993-) (molekuláris biológus) Nagy Orsolya (1990-) (PhD hallgató) Babicz Tamás Butz Henriett Patócs Attila Balogh István (1972-) (molekuláris biológus, genetikus) Koczok Katalin (1979-) (labororvos)
Pályázati támogatás:ÚNKP-22-4-I-DE-159
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2.

001-es BibID:BIBFORM080278
Első szerző:Nagy Orsolya (PhD hallgató)
Cím:The importance of the multiplex ligation-dependent probe amplification in the identification of a novel two-exon deletion of the NR5A1 gene in a patient with 46,XY differences of sex development / Orsolya Nagy, Judit Kárteszi, Marianna Hartwig, Rita Bertalan, Eszter Jávorszky, Éva Erhardt, Attila Patócs, Tamás Tornóczky, István Balogh, Anikó Ujfalusi
Dátum:2019
ISSN:0301-4851
Megjegyzések:Gonadal dysgenesis (GD) is a rare cause of differences of sex development (DSD) with highly variable clinical and genetic conditions. Although identification of the causative genetic alterations can offer a clearer prognosis and personalized management to patients, more than 50% of the DSD cases still do not have an accurate genetic diagnosis. NR5A1 (previously known as SF-1), is a transcriptional regulator of genes required for normal development and functional maintenance of the gonads and the adrenal glands. Nucleotide sequence variants of the NR5A1 gene have been reported in numerous patients with GD with or without adrenal failure, however, microdeletion or partial deletion in the NR5A1 gene have been described only in a few GD cases. In this case study, we present a subject with female phenotype, mild clitoromegaly, partial GD and normal adrenal function. Cytogenetic analysis revealed a 46,XY SRY?+?karyotype. Microarray analysis did not identify pathogenic copy number variations, nor did panel sequencing of the most common DSD genes. Subsequently, multiplex ligation-dependent probe amplification (MLPA) was performed to test for small deletion/duplication of the most frequently affected genes associated with GD. Using this method, we have identified a novel heterozygous deletion involving exons 5 and 6 of the NR5A1 gene as the cause of abnormal sexual development of the patient. This report expands our knowledge about the range and pathogenetic role of NR5A1 mutations associated with partial gonadal dysgenesis in 46,XY DSD. Furthermore, our data emphasises the indispensable role of MLPA in the diagnosis of DSD with unclear etiology.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Molecular Biology Reports. - 46 : 5 (2019), p. 5595-5601. -
További szerzők:Kárteszi Judit Hartwig Marianna Bertalan Rita Jávorszky Eszter (gyermekgyógyász) Erhardt Éva Patócs Attila Tornóczky Tamás Balogh István (1972-) (molekuláris biológus, genetikus) Ujfalusi Anikó (1968-) (gyermekorvos, laboratóriumi szakorvos)
Pályázati támogatás:GINOP-2.3.2-15-2016-00039
GINOP
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Intézményi repozitóriumban (DEA) tárolt változat
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