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Journal of Pediatric Genetics

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https://www.readbyqxmd.com/read/29707412/oral-facial-digital-syndrome-type-1-oral-findings-in-a-6-year-old-girl
#1
Zuhal Kırzıoglu, Esra Oz
Oral-facial-digital syndrome (OFDS) is a group of congenital anomalies with 13 different forms. OFDS type 1 (OFDS1) is a developmental genetic anomaly related to the X chromosome, that is often seen in girls, and affects the face, oral cavity, and extremities. In this study, we discuss the oral findings of a 6-year-old girl with OFDS1 and her situation after 2.5 years.
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707411/case-report-of-proliferative-peripheral-retinopathy-in-two-familial-lissencephaly-infants-with-miller-dieker-syndrome
#2
Omar Shoukfeh, Alan B Richards, Leonard A Prouty, John Hinrichsen, William Rand Spencer, Marlyn P Langford
A complete ophthalmic examination is not routinely performed on infants with Miller-Dieker syndrome (MDS, chromosome 17p13.3 microdeletion). The authors present the cases of four cousins with MDS who also carried a 16p13.3 microduplication (not associated with Rubinstein-Taybi syndrome). Retinopathy of prematurity-like proliferative peripheral retinopathy (PPR) was detected in two male first cousins, but was not detected in the female half-cousins. PPR in the first infant resolved by 4 months, but the second infant's PPR progressed, requiring photocoagulation followed by lens-sparing vitrectomy...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707410/a-2-year-old-child-with-bilateral-ectopis-lentis-and-a-novel-fbn1-gene-variant-cys129ser
#3
Ahmed N Mohammad, Paldeep S Atwal
Marfan syndrome and dominant ectopia lentis are part of type 1 fibrillinopathies that are caused by FBN1 pathogenic variants. Making a diagnosis could be challenging due to the clinical overlap between these disorders. The revised Ghent criteria used for Marfan syndrome diagnosis helped in resolving some of the confusion, especially in younger children. We report on a case of bilateral ectopia lentis in a 2-year-old child with a normal echocardiogram. FBN1 sequencing revealed a novel likely pathogenic variant described as c...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707409/juvenile-idiopathic-arthritis-associated-with-combined-jp-hht-syndrome-a-novel-phenotype-associated-with-a-novel-variant-in-smad4
#4
Juliet Chhay Bishop, Jacquelyn Francis Britton, Anne M Murphy, Sangeeta Sule, Sally Mitchell, Clifford Takemoto, Joseph M Collaco, Wikrom Karnsakul, Carmelo Cuffari, Edith Dietz, Joann Bodurtha
Juvenile polyposis (JP) syndrome is characterized by multiple hamartomatous polyps of the gastrointestinal tract. Hereditary hemorrhagic telangiectasia (HHT) is a vascular dysplasia characterized by telangiectasia in the skin, mucous membranes, and arteriovenous malformations in other organs. Individuals with JP-HHT syndrome have variable features of both rare disorders, attributed to heterozygous mutations in the SMAD4 gene. Systemic juvenile idiopathic arthritis (JIA) is a severe, chronic disease marked by arthritis and systemic inflammation for which the cause remains unknown...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707408/a-de-novo-xp11-23-duplication-in-a-girl-with-a-severe-phenotype-expanding-the-clinical-spectrum
#5
Pinar Arican, Dilek Cavusoglu, Pinar Gencpinar, Berk Ozyilmaz, Taha Resid Ozdemir, Nihal Olgac Dundar
The Xp11.22-p11.23 duplication syndrome was described in 2009 by Giorda et al and is characterized by intellectual disability, speech delay, and electroencephalography anomalies. We report a case of a 23-month-old girl who presented with epilepsy and global developmental delay and who had a small duplication at Xp11.23. The case we present here is the first case showing the clinical features of Xp11.22-p11.23 duplication syndrome only involving synovial sarcoma, X breakpoint ( SSX ) genes: SSX1 , SSX3 , SSX4 , and SSX9 ...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707407/variants-associated-with-infantile-cholestatic-syndromes-detected-in-extrahepatic-biliary-atresia-by-whole-exome-studies-a-20-case-series-from-thailand
#6
Surasak Sangkhathat, Wison Laochareonsuk, Wanwisa Maneechay, Kanita Kayasut, Piyawan Chiengkriwate
Biliary atresia (BA) is the most severe form of obstructive cholangiopathy occurring in infants. Definitive diagnosis of BA usually relies on operative findings together with supporting pathological patterns found in the extrahepatic bile duct. In infancy, overlapping clinical patterns of cholestasis can be found in other diseases including biliary hypoplasia and progressive familial intrahepatic cholestasis. In addition, BA has been reported as a phenotype in some rare genetic syndromes. Unlike BA, other cholangiopathic phenotypes have their own established genetic markers...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707406/three-mutations-in-the-bilateral-frontoparietal-polymicrogyria-gene-gpr56-in-pakistani-intellectual-disability-families
#7
Humaira Aziz Sawal, Ricardo Harripaul, Anna Mikhailov, Kayla Vleuten, Farooq Naeem, Tanveer Nasr, Muhammad Jawad Hassan, John B Vincent, Muhammad Ayub, Muhammad Arshad Rafiq
Bilateral frontoparietal polymicrogyria (BFPP, MIM 606854) is a heterogeneous autosomal recessive disorder of abnormal cortical lamination, leading to moderate-to-severe intellectual disability (ID), seizure disorder, and motor difficulties, and caused by mutations in the G protein-coupled receptor 56 ( GPR56 ) gene. Twenty-eight mutations in 40 different families have been reported in the literature. The clinical and neuroimaging phenotype is consistent in these cases. The BFPP cortex consists of numerous small gyral cells, with scalloping of the cortical-white matter junction...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29707405/genetics-of-refractory-rickets-identification-of-novel-phex-mutations-in-indian-patients-and-a-literature-update
#8
REVIEW
Binata Marik, Arvind Bagga, Aditi Sinha, Pankaj Hari, Arundhati Sharma
Refractory rickets is a genetic disorder that cannot be treated by vitamin D supplementation and adequate dietary calcium and phosphorus. Hereditary hypophosphatemic rickets is one of the major forms of refractory rickets in Indian children and caused due to mutations in the PHEX , FGF23 , DMP1 , ENPP1 , and SLC34A3 genes. This is the first study in India on a large number of patients reporting on mutational screening of the PHEX gene. Direct sequencing in 37 patients with refractory rickets revealed eight mutations in 13 patients of which 1 was nonsense, 2 were deletions, 1 was a deletion-insertion, and 4 were missense mutations...
June 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29443330/reply-to-the-letter-sensorineural-hearing-loss-and-congenital-cytomegalovirus-infection
#9
COMMENT
Paolo Fontana
No abstract text is available yet for this article.
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441223/sensorineural-hearing-loss-and-congenital-cytomegalovirus-infection
#10
Beuy Joob, Viroj Wiwanitkit
No abstract text is available yet for this article.
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441222/disability-related-problems-of-children-and-adolescents-with-moebius-sequence-and-their-mothers-coping
#11
Wolfgang Briegel
No abstract text is available yet for this article.
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441221/-nfu1-related-disorders-as-key-differential-diagnosis-of-cavitating-leukoencephalopathy
#12
Paulo Victor Sgobbi de Souza, Thiago Bortholin, Stênio Burlin, Fernando George Monteiro Naylor, Wladimir Bocca Vieira de Rezende Pinto, Acary Souza Bulle Oliveira
Genetic leukoencephalopathies represent an expanding group of inherited disorders associated with involvement of brain white matter. Cystic degeneration has been previously described with some acquired or inherited leukoencephalopathies. We describe a 6-month-old Brazilian boy with a 2-month history of severe and rapidly progressive developmental and psychomotor regression and seizures. Neurological examination showed spastic tetraparesis and lethargy. Neuroimaging showed diffuse and symmetric cavitating cystic leukoencephalopathy...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441220/inheritance-of-a-balanced-t-12-20-q24-33-p12-2-and-unbalanced-der-13-t-7-13-p21-3-q33-2-from-a-maternally-derived-double-balanced-translocation-carrier
#13
Jess F Peterson, Gabrielle C Geddes, Donald G Basel, Dana Schippman, John W Grignon, Peter vanTuinen, Ulrike P Kappes
We report a 4-month-old male proband with a history of prominent forehead, hypertelorism, ear abnormalities, micrognathia, hypospadias, and multiple cardiac abnormalities. Initial microarray analysis detected a concurrent 7p21.3-p22.3 duplication and 13q33.2-q34 deletion indicating an unbalanced rearrangement. However, subsequent conventional cytogenetic studies only revealed what appeared to be a balanced t(12;20)(q24.33;p12.2). Fluorescence in situ hybridization (FISH) using chromosome-specific subtelomere probes confirmed the presence of an unbalanced der(13)t(7;13)(p21...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441219/a-new-patient-with-potocki-lupski-syndrome-a-literature-review
#14
Andrea Domenico Praticò, Raffaele Falsaperla, Renata Rizzo, Martino Ruggieri, Alberto Verrotti, Piero Pavone
Speech delay, intellectual disability, and behavioral disturbances are the main clinical manifestations of Potocki-Lupski syndrome. Other features include infantile hypotonia, the absence of major dysmorphism, sleep disorders, and congenital anomalies, particularly of the cardiovascular system. A male patient with Potocki-Lupski syndrome is reported herein. He showed speech and borderline cognitive delay, behavioral troubles with no signs suggestive of autism, in the absence of major dysmorphism. A de novo 17p12-p11...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441218/a-rare-combination-of-functional-disomy-xp-deletion-xq13-2-q28-spanning-the-xist-gene-and-duplication-3q25-33-q29-in-a-female-with-der-x-t-x-3-q13-2-q25-33
#15
Jess F Peterson, Donald G Basel, David P Bick, Brett Chirempes, Rachel B Lorier, Nykula Zemlicka, John W Grignon, LuAnn Weik, Ulrike Kappes
We report a 19-year-old female patient with a history of short stature, primary ovarian insufficiency, sensorineural hearing loss, sacral teratoma, neurogenic bladder, and intellectual disability with underlying mosaicism for der(X)t(X;3)(q13.2;q25.33), a ring X chromosome, and monosomy X. Derivative X chromosomes from unbalanced X-autosomal translocations are preferentially silenced by the XIST gene (Xq13.2) located within the X-inactivation center. The unbalanced X-autosomal translocation in our case resulted in loss of the XIST gene thus precluding the inactivation of the derivative X chromosome...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441217/no-association-of-genetic-markers-with-carotid-intimal-medial-thickness-in-%C3%AE-thalassemia-major-patients
#16
Mable Misha Singh, Ravindra Kumar, Satyendra Tewari, Sarita Agarwal
Regular transfusion leads to cardiac siderosis resulting in cardiac complications that account for more than 71% of the total mortality in thalassemia patients. We aimed to study the variants of matrix metalloproteinase-9 (MMP9), matrix Gla protein (MGP), and estrogen receptor α(ERα), which might be contributing to atherosclerosis, leading to heart failure in thalassemia major. One hundred and five thalassemia patients on regular transfusion and iron chelation therapy were enrolled for the study. Carotid artery intimal medial thickness (CIMT) measurement was done to check for atherosclerosis...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441216/cathepsin-d-polymorphism-c224t-in-childhood-onset-neurodegenerative-disorders-no-impact-for-childhood-dementia
#17
Matthias Kettwig, Andreas Ohlenbusch, Klaus Jung, Robert Steinfeld, Jutta Gärtner
Compromised lysosomal functioning has been identified as a major risk factor for neurodegenerative disorders such as Alzheimer's and Parkinson's diseases. Furthermore, the association between a defined cathepsin D ( CTSD ) polymorphism and a higher risk of sporadic Alzheimer's disease has been established for particular populations. Here, we analyzed 189 children with rare neurodegenerative disease for carrying the T-allele by polymerase chain reaction-restriction fragment length polymorphism. We found no statistical differences in genotype and allele frequencies between the neurodegenerative group and European descent participants of genetic studies using the Cochran-Armitage's trend test...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441215/pycnodysostosis-novel-variants-in-ctsk-and-occurrence-of-giant-cell-tumor
#18
Arya Shambhavi, Smrithi Salian, Hitesh Shah, Mohandas Nair, Krishna Sharan, Dong-Kyu Jin, Sung Yoon Cho, Mary Mathew, Anju Shukla, Katta M Girisha
Pycnodysostosis is an autosomal recessive skeletal dysplasia caused by pathogenic variants in the cathepsin K ( CTSK ) gene. We report seven patients from four unrelated families with this condition in whom we have identified three novel pathogenic variants, c.120 + 1G > T in intron 2, c.399 + 1G > A in intron 4, and c.148T > G (p.W50G) in exon 2, and a known variant, c.568C > T (p.Q190*) in exon 5 of CTSK . We present the clinical, radiographic, and molecular findings of all individuals with molecularly proven pycnodysostosis from the present cohort...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29441214/syndromic-hearing-loss-a-brief-review-of-common-presentations-and-genetics
#19
REVIEW
John D Gettelfinger, John P Dahl
Congenital hearing loss is one of the most common birth defects worldwide, with around 1 in 500 people experiencing some form of severe hearing loss. While over 400 different syndromes involving hearing loss have been described, it is important to be familiar with a wide range of syndromes involving hearing loss so an early diagnosis can be made and early intervention can be pursued to maximize functional hearing and speech-language development in the setting of verbal communication. This review aims to describe the presentation and genetics for some of the most frequently occurring syndromes involving hearing loss, including neurofibromatosis type 2, branchio-oto-renal syndrome, Treacher Collins syndrome, Stickler syndrome, Waardenburg syndrome, Pendred syndrome, Jervell and Lange-Nielsen syndrome, Usher syndromes, Refsum disease, Alport syndrome, MELAS, and MERRF...
March 2018: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29147600/osteoglophonic-dysplasia-phenotypic-and-radiological-clues
#20
Shwetha Kuthiroly, Dhanya Yesodharan, Aneesh Ghosh, Kenneth E White, Sheela Nampoothiri
Osteoglophonic dysplasia (OD) is an extremely rare, skeletal dysplasia with an autosomal dominant mode of inheritance. Rhizomelic dwarfism, craniosynostosis, impacted teeth, hypodontia or anodontia, and multiple nonossifying bone lesions are the salient features of this condition. We report a 14-year-old girl with clinical and radiological features consistent with OD. She presented with disproportionate short stature, craniosynostosis, a prominent supraorbital ridge, delayed teeth eruption, hypodontia, and multiple nonossifying bone lesions in the femur, tibia, and fibula...
December 2017: Journal of Pediatric Genetics
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