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001-es BibID:BIBFORM005625
Első szerző:Bereczky Zsuzsanna (orvosi laboratóriumi diagnosztika szakorvos)
Cím:Decreased factor XIII levels in factor XIII A subunit Leu34 homozygous patients with coronary artery disease / Bereczky, Z., Balogh, E., Katona, E., Czuriga, I., Karpati, L., Shemirani, A. H., Edes, I., Muszbek, L.
Dátum:2008
ISSN:0049-3848 (Print)
Megjegyzések:The effect of factor XIII A subunit (FXIII-A) Val34Leu polymorphism on the risk of coronary artery disease (CAD) has been extensively studied. In this study we investigated how FXIII-A Val34Leu genotypes influence plasma factor XIII levels in patients with coronary sclerosis (CS) and myocardial infarction (MI) and how fibrinogen level modulates this effect. PATIENTS AND METHODS: 955 consecutive patients admitted for coronary angiography were categorized according to the presence or absence of significant CS and the history of MI. The frequency of FXIII-A Val34Leu polymorphism, fibrinogen, FXIII activity and antigen levels were determined. RESULTS AND CONCLUSIONS: CS or MI decreased FXIII levels in patients homozygous for FXIII-A Leu34 allele, but not in heterozygous or wild type patients. In the subgroup of patients with CS, but without the history of MI no significant effect was detected, which suggests that MI has a more prominent role. The specific activity of plasma FXIII was independent of FXIII-A Val34Leu genotype. FXIII and fibrinogen levels significantly correlated in CS+ and MI+ patients. In MI+ patients of Leu/Val or Leu/Leu genotypes and with fibrinogen levels in the lowest quartile, FXIII levels were lower than in the same patient groups, but with higher fibrinogen level. The low-scale continuous activation of blood coagulation in CAD patients could lead to parallel FXIII and fibrinogen consumption. As the same amount of thrombin activates more Leu34 FXIII than Val34 FXIII, increased FXIII consumption might be responsible for the decreased FXIII levels in Leu34 homozygous CAD patients.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Coronary Artery Disease/*blood
Coronary Vessels/pathology
Factor XIII/*analysis/*genetics
Fibrinogen/analysis
Genotype
Homozygote
Humans
Myocardial Infarction/blood
Protein Subunits
Sclerosis
Megjelenés:Thrombosis Research. - 121 : 4 (2008), p. 469-476. -
További szerzők:Balogh Emília (1965-) (kardiológus) Katona Éva (1961-) (klinikai biokémikus) Czuriga István (1948-2018) (kardiológus) Kárpáti Levente (1968-) (okleveles vegyész) Shemirani, Amir-Houshang (1971-) (kutató orvos, laboratórium szakorvos) Édes István (1952-) (kardiológus) Muszbek László (1942-) (haematológus, kutató orvos)
Internet cím:elektronikus változat
DOI
elektronikus változat
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2.

001-es BibID:BIBFORM012811
Első szerző:Shemirani, Amir-Houshang (kutató orvos, laboratórium szakorvos)
Cím:Factor XIII A subunit Val34Leu polymorphism in patients suffering atherothrombotic ischemic stroke / Shemirani Amir H., Pongrácz Endre, Antalfi Bálint, Ádány Róza, Muszbek László
Dátum:2010
ISSN:0049-3848
Megjegyzések:Factor XIII (FXIII) is a key regulator of fibrinolysis and clot firmness. Val34Leu polymorphism of its potentially active A subunit (FXIII-A) leads to faster activation of FXIII, influences clot structure and provides a moderate protection against coronary artery disease. The effect of FXIII A subunit (FXIII-A) Val34Leu polymorphism on the risk of ischemic stroke (IS) has been investigated in a few studies with contradictory results. In spite of their fundamental difference in pathogenesis and hemostatic pathomechanism, only four small studies investigated the effect of FXIII-A Val34Leu polymorphism on the risk of atherothrombotic IS (AIS) separately from cardioembolic IS. Gender specific effect of the polymorphism on the risk of AIS has not been explored. In the present study we investigated the effect of FXIII-A Val34Leu polymorphism on the risk of AIS on a large patient population. Materials and methods: A population control group of 1,146 randomly selected individuals, 496 patients surviving AIS and their age and sex-matched controls selected from the population control group were included in the study. FXIII-A Val34Leu genotype was determined on DNA samples, obtained from peripheral blood leukocytes, by fluorescence resonance energy transfer detection using melting curve analysis. Results: Neither sex nor age affected the distribution of FXIII-A Val34Leu genotypes in population control group. No association was revealed between the risk of AIS and FXIII-A Leu34 carriership and homozygous or heterozygous presentation of Leu34 allele in either gender. Conclusion: FXIII-A Val34Leu polymorphism fails to influence the risk of AIS.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Cerebrovascular disease
Clinical studies
Factor XIII polymorphism
Gender
Genetic risk factors
Megjelenés:Thrombosis Research. - 126 : 2 (2010), p. 159-162. -
További szerzők:Pongrácz Endre (sebész) Antalfi Bálint Ádány Róza (1952-) (megelőző orvostan és népegészségtan szakorvos) Muszbek László (1942-) (haematológus, kutató orvos)
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DOI
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