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Nur BG, Erdogan Y, Curek Y, Akcakus M, Oygur N, Bircan I. MUCOLIPIDOSIS II INFANTS PRESENTING WITH SKELETAL DEFORMITIES MIMICKING RICKETS AND A NEW MUTATION IN GNPTAB GENE. Genet Couns 2016; 27:373-380. [PMID: 30204966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Mucolipidosis II or I-cell disease is a rare lysosomal enzyme hydrolase trafficking due to deficient activity of the multimeric enzyme UDP-Nacetylglucosamine-l-phosphotransferase. It is a severe inborn error of lysosomal storage that causes progressive multisystem deterioration and death within the first year of life. The diagnosis of ML II is often difficult in an infant due to clinical variety, phenotypic overlap and the enzyme analysis required. Mucolipidosis II and rickets may have similar physical, biochemical and radiographic findings in newborns. The diagnosis of Mucolipidosis II is often missed, as it may present with rickets-like picture. In this article, we describe two neonatal mucolipidosis II patients mimicking rickets, and we evaluated them by clinical, metabolic and imaging findings via literature and also emphasized the difficulties in diagnosis of this rare disease.
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Oztekin O, Kalay S, Tezel G, Tayfun F, Kupesiz A, Hangul M, Akcakus M, Oygur N. Chemotherapy for transient myeloproliferative disorder in a premature infant with Down syndrome. J Clin Pharm Ther 2013; 38:262-4. [DOI: 10.1111/jcpt.12058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Accepted: 02/28/2013] [Indexed: 12/01/2022]
Affiliation(s)
- O. Oztekin
- Division of Neonatology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - S. Kalay
- Division of Neonatology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - G. Tezel
- Division of Neonatology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - F. Tayfun
- Division of Heamtology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - A. Kupesiz
- Division of Heamtology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - M. Hangul
- Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - M. Akcakus
- Division of Neonatology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
| | - N. Oygur
- Division of Neonatology; Department of Pediatrics; Akdeniz University Medical School; Antalya Turkey
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Travaglini L, Brancati F, Attie-Bitach T, Audollent S, Bertini E, Kaplan J, Perrault I, Iannicelli M, Mancuso B, Rigoli L, Rozet JM, Swistun D, Tolentino J, Dallapiccola B, Gleeson JG, Valente EM, Zankl A, Leventer R, Grattan-Smith P, Janecke A, D'Hooghe M, Sznajer Y, Van Coster R, Demerleir L, Dias K, Moco C, Moreira A, Kim CA, Maegawa G, Petkovic D, Abdel-Salam GMH, Abdel-Aleem A, Zaki MS, Marti I, Quijano-Roy S, Sigaudy S, de Lonlay P, Romano S, Touraine R, Koenig M, Lagier-Tourenne C, Messer J, Collignon P, Wolf N, Philippi H, Kitsiou Tzeli S, Halldorsson S, Johannsdottir J, Ludvigsson P, Phadke SR, Udani V, Stuart B, Magee A, Lev D, Michelson M, Ben-Zeev B, Fischetto R, Benedicenti F, Stanzial F, Borgatti R, Accorsi P, Battaglia S, Fazzi E, Giordano L, Pinelli L, Boccone L, Bigoni S, Ferlini A, Donati MA, Caridi G, Divizia MT, Faravelli F, Ghiggeri G, Pessagno A, Briguglio M, Briuglia S, Salpietro CD, Tortorella G, Adami A, Castorina P, Lalatta F, Marra G, Riva D, Scelsa B, Spaccini L, Uziel G, Del Giudice E, Laverda AM, Ludwig K, Permunian A, Suppiej A, Signorini S, Uggetti C, Battini R, Di Giacomo M, Cilio MR, Di Sabato ML, Leuzzi V, Parisi P, Pollazzon M, Silengo M, De Vescovi R, Greco D, Romano C, Cazzagon M, Simonati A, Al-Tawari AA, Bastaki L, Mégarbané A, Sabolic Avramovska V, de Jong MM, Stromme P, Koul R, Rajab A, Azam M, Barbot C, Martorell Sampol L, Rodriguez B, Pascual-Castroviejo I, Teber S, Anlar B, Comu S, Karaca E, Kayserili H, Yüksel A, Akcakus M, Al Gazali L, Sztriha L, Nicholl D, Woods CG, Bennett C, Hurst J, Sheridan E, Barnicoat A, Hennekam R, Lees M, Blair E, Bernes S, Sanchez H, Clark AE, DeMarco E, Donahue C, Sherr E, Hahn J, Sanger TD, Gallager TE, Dobyns WB, Daugherty C, Krishnamoorthy KS, Sarco D, Walsh CA, McKanna T, Milisa J, Chung WK, De Vivo DC, Raynes H, Schubert R, Seward A, Brooks DG, Goldstein A, Caldwell J, Finsecke E, Maria BL, Holden K, Cruse RP, Swoboda KJ, Viskochil D. Expanding CEP290 mutational spectrum in ciliopathies. Am J Med Genet A 2009; 149A:2173-80. [PMID: 19764032 DOI: 10.1002/ajmg.a.33025] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ciliopathies are an expanding group of rare conditions characterized by multiorgan involvement, that are caused by mutations in genes encoding for proteins of the primary cilium or its apparatus. Among these genes, CEP290 bears an intriguing allelic spectrum, being commonly mutated in Joubert syndrome and related disorders (JSRD), Meckel syndrome (MKS), Senior-Loken syndrome and isolated Leber congenital amaurosis (LCA). Although these conditions are recessively inherited, in a subset of patients only one CEP290 mutation could be detected. To assess whether genomic rearrangements involving the CEP290 gene could represent a possible mutational mechanism in these cases, exon dosage analysis on genomic DNA was performed in two groups of CEP290 heterozygous patients, including five JSRD/MKS cases and four LCA, respectively. In one JSRD patient, we identified a large heterozygous deletion encompassing CEP290 C-terminus that resulted in marked reduction of mRNA expression. No copy number alterations were identified in the remaining probands. The present work expands the CEP290 genotypic spectrum to include multiexon deletions. Although this mechanism does not appear to be frequent, screening for genomic rearrangements should be considered in patients in whom a single CEP290 mutated allele was identified.
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Affiliation(s)
- Lorena Travaglini
- CSS-Mendel Institute, Casa Sollievo della Sofferenza Hospital, Rome, Italy
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Abstract
Joubert syndrome (JS) is an autosomal-recessive disorder, characterized by hypotonia, ataxia, global developmental delay and molar tooth sign on magnetic resonance imaging. A variety of other abnormalities have been described in children with JS, including abnormal breathing, abnormal eye movements, a characteristic facial appearance, delayed language, hypersensitivity to noise, autism, ocular and oculomotor abnormalities, meningoencephaloceles, microcephaly, low-set ears, polydactyly, retinal dysplasia, kidney abnormalities (renal cysts), soft tissue tumor of the tongue, liver disease and duodenal atresia. Even within siblings the phenotype may vary, making it difficult to establish the exact clinical diagnostic boundaries of JS. We review the clinical characteristics of seven cases that fulfill the criteria of JS.
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Affiliation(s)
- S Kumandas
- Department of Pediatrics, School of Medicine, Erciyes University, Kayseri, Turkey
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Abstract
OBJECTIVE The aim of the present study was to determine whether pentoxifylline has a beneficial effect on the treatment of rheumatic carditis. METHODS A total of 33 children between the ages 6 and 16 were studied in two groups. The first group (5 boys, 10 girls, mean age: 12.2 +/- 2.9 years) was treated with steroid plus pentoxifylline and the second group (6 boys, 12 girls, mean age; 11.6 +/- 2.8 years) was treated with steroid only for 3-6 weeks until the acute-phase reactants became normal. At admission and on the 7th, 30th, and 90th days of the treatment, laboratory studies including white blood cell count, erythrocyte sedimentation rate, C-reactive protein, throat culture and cytokines (interleukin-1alpha, tumour necrosis factor-alpha) were performed. Cardiac evaluation with chest X-ray, electrocardiography and echocardiography was performed in all patients. In the control group (12 boys, 3 girls, mean age; 10.7 +/- 3.2 years) all parameters were evaluated once only. RESULTS In both groups, the similar white blood cell count was significantly decreased on the 90th day, and there was no significant difference between the two groups. C-reactive protein, erythrocyte sedimentation rate and interleukin-1alpha were significantly decreased on the 30th and 90th days. In the first group (treated with steroid plus pentoxifylline), the cardiothoracic index was significantly greater at the beginning of the therapy. In the first group, tumour necrosis factor-alpha became normal on the 30th day and in the second group, tumour necrosis factor-alpha became normal on the 7th day of therapy. For all parameters, there was no significant difference between the two groups with respect to the type of therapy used. CONCLUSION The present study showed that pentoxifylline plus steroid treatment has no beneficial effects on the treatment of acute rheumatic carditis when compared with steroid alone.
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Affiliation(s)
- N Narin
- Department of Pediatrics, School of Medicine, Erciyes University, Kayseri, Turkey.
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Akcakus M, Ozkul Y, Gunes T, Kurtoglu S, Cetin N, Kisaarslan AP, Dundar M. Associated anomalies in asymmetric crying facies and 22q11 deletion. Genet Couns 2003; 14:325-30. [PMID: 14577677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
Congenital asymmetric crying facies, a minor congenital anomaly due to unilateral absence or hypoplasia of the depressor anguli oris muscle, is associated at times with major congenital anomalies. A large number of asymmetric crying facies cases with chromosome 22q11 microdeletions have presently been reported. Fluorescence in situ hybridization (FISH) analysis for 22q11 deletion was performed on 8 infants with asymmetric crying facies. Five of our patients had at least one associated systemic anomaly. Two of 5 patients had conotruncal heart disease (Cayler cardiofacial syndrome). In three of the affected infants, we failed to reveal additional congenital malformation. The 22q11 deletion was present in only one patient. This baby had congenital hypoparathyroidism, severe neonatal hypocalcaemia and tetralogy of Fallot. We suggest, a 22q11 deletion should be excluded not in all cases but in cases with Cayler cardiofacial syndrome and in ACF associated with additional congenital anomalies.
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Affiliation(s)
- M Akcakus
- Department of Pediatrics, Division of Neonatology, Erciyes University, Faculty of Medicine, Kayseri, Turkey.
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Abstract
Familial Mediterranean fever (FMF) is a recessive inherited disorder affecting Sephardic Jews, Arabs, Armenians and Turks. The gene responsible for FMF was recently cloned and several disease-associated mutations have been described. We have evaluated seven MEFV mutations in 460 chromosomes of 230 unrelated patients with FMF living in Turkey, using PCR methods. The M694V allele accounted for 43.5% of the alleles studied and 19.1% of the patients were homozygous. The M680I, V726A and M694I mutations were responsible for 12.0%, 11.1% and 2.8% of the patients respectively. R761H, K695R and E148Q were rarely encountered. Two thirds of the disease alleles were attributed to three common mutations: M694V, M680V and V726A, but only 54% of the patients carried one or two of the three mutations. Adding the four rarer mutations increased these figures to 72% and 60%, respectively. Altogether, 79.6% of the patients bore at least one of the main mutations, and 84.3% carried at least one of the seven mutations studied. The 28 patients suffering also from amyloidosis carried at least one of five mutations, M694V being the most common. These results suggest that the origin of FMF in Turkey is heterogenous, all common mutations are associated with amyloidosis. Further, rapid and accurate molecular diagnosis of FMF is feasible in most cases.
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Affiliation(s)
- N Akar
- Pediatric Molecular Pathology and Nephrology Departments, Ankara University, Ankara, Turkey
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