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List of references:
Clinical, genetic and cytogenetic study of Fanconi anemia in an Indian population.
Seema Korgaonkar, Kanjaksha Ghosh, Babu Rao Vundinti,
Fanconi anemia (FA) is a rare autosomal recessive genetic disease, associated with congenital anomalies and a predisposition to cancers. FA patients exhibit spontaneous chromosome breakage and FA cells are sensitive to DNA interstrand crosslink agents and expresses high frequency of chromosome breakage. Recently 13 genes have been shown to be involved with the FA phenotype. We have carried out a detailed study in clinically diagnosed FA patients in an Indian population. Thirty three patients were clinically diagnosed with FA and had aplastic anemia and bleeding abnormalities. The genetic analysis revealed a significantly (P<0.0001) high frequency (36.4%) of parental consanguinity in FA patients compared to controls (3.33%). Chromosomal analysis revealed spontaneous chromosome breakage in 63.64% FA patients. The mitomycin C and diepoxybutane induced cultures showed a significantly (P<0.001) high frequency of chromosome breakage and radial formation compared to controls. Among 33 patients, nine (27.27%) patients developed malignancies and chromosomal abnormalities were detected in five (55.5%) patients bone marrow cells including monosomy 5 and 7, trisomy 10, der(1q) and inv(7). Cytogenetic investigation is important in aplastic anemia to rule out FA. The clinical presentation and the associated high frequency of consanguinity in FA, and the molecular analysis are complementary in the study of an Indian population.
Hematology (Amsterdam, Netherlands) - Feb 2010
Endocrine abnormalities in patients with Fanconi anemia.
Neelam Giri, Dalia L Batista, Blanche P Alter, Constantine A Stratakis,
Fanconi anemia (FA) is an inherited disorder with chromosomal instability, bone marrow failure, developmental defects, and a predisposition to cancer. Systematic and comprehensive endocrine function data in FA are limited.
The Journal of clinical endocrinology and metabolism - Jul 2007
Evaluation of growth and hormonal status in patients referred to the International Fanconi Anemia Registry.
M P Wajnrajch, J M Gertner, Z Huma, J Popovic, K Lin, P C Verlander, S D Batish, P F Giampietro, J G Davis, M I New, A D Auerbach,
1) To determine the extent of short stature in patients with Fanconi anemia (FA); 2) to determine the extent and nature of endocrinopathy in FA; 3) to assess the impact on height of any endocrinopathies in these patients; and 4) to study the correlation, if any, between height, endocrinopathy, and FA complementation group.
Pediatrics - Apr 2001
International Fanconi Anemia Registry: relation of clinical symptoms to diepoxybutane sensitivity.
A D Auerbach, A Rogatko, T M Schroeder-Kurth,
Fanconi anemia (FA) is characterized clinically by a progressive pancytopenia, diverse congenital abnormalities and increased predisposition to malignancy. Although a variable phenotype makes accurate diagnosis on the basis of clinical manifestations difficult in some patients, study of cellular sensitivity to the clastogenic effect of DNA cross-linking agents such as diepoxybutane (DEB) has been used to facilitate the diagnosis. Data from DEB-induced chromosomal breakage studies of 328 peripheral blood specimens from patients considered at risk for FA were analyzed using a stepwise multivariate logistic regression, in order to determine which method of representing the data best discriminated between DEB-sensitive (DEB+) and DEB-insensitive (DEB-) cases. Similar methods were applied to the data from the International Fanconi Anemia Registry (IFAR) to determine whether DEB+ and DEB- cases may be considered as distinct clinical entities, and if so, which variables provide the best discrimination between the two groups. We conclude that hypersensitivity to the clastogenic effect of DEB is a useful discriminator for FA. A simplified scoring method for classifying patients on the basis of eight clinical manifestations that are the best predictors for FA is presented. Our data indicate that the clinical diversity in FA is more widespread than previously recognized.
Blood - Feb 1989