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Journal of Pediatric Genetics

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https://www.readbyqxmd.com/read/29443330/reply-to-the-letter-sensorineural-hearing-loss-and-congenital-cytomegalovirus-infection
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/29142771/a-peruvian-child-with-18p-18q-syndrome-and-persistent-microscopic-hematuria
#13
Julio A Poterico, Flor Vásquez, Miguel Chávez-Pastor, Milana Trubnykova, Félix Chavesta, Jenny Chirinos, Nancy Salcedo, Rosmery Mena, Sulema Cubas, Rocío González, Rossana Alvariño, Hugo Abarca-Barriga
Chromosome 18 pericentric inversion carriers could have offspring with recombinant chromosomes, leading to patients with clinical variable manifestations. Patients with 18p-/18q+ rearrangements share some clinical characteristics, while other characteristics differ. Factors for such divergence include the length of the inverted segment, among others. Here, we describe a Peruvian child with dysmorphic features, intellectual disability persistent microscopic hematuria, aortic pseudocoarctation, and descending aorta arteritis, among others...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142770/placental-teratoma-omphalomesenteric-duct-remnant-or-intestinal-organoid-enteroid-differentiation-a-diagnostic-dilemma
#14
Salwa Khedr, Tarek Jazaerly, Stefan Kostadinov
We report an unusual case of fully developed fetal intestinal segment(s) within a nodule on the chorionic plate of the placenta of a 27-year-old female patient at 37 weeks gestation with spontaneous vaginal delivery. Gross examination of the placenta revealed a chorionic plate nodule near the insertion of the umbilical cord, which, upon microscopic evaluation, raised the differential diagnostic possibilities of placental teratoma, vitelline/omphalomesenteric duct anomaly, and intestinal organoid differentiation...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142769/plexiform-neurofibroma-of-clitoris
#15
Dhanya Yesodharan, Bindu Sudarsanan, Annie Jojo, Mohan Abraham, Nisha Bhavani, Hima Mathews, Sheela Nampoothiri
The most frequent genital presentation of neurofibromatosis in females is clitoromegaly. We report a case of a 5-year-old girl with neurofibromatosis type 1 with clitoral plexiform neurofibromatosis. Clitoroplasty was done, and the histopathology confirmed the diagnosis. Though rare, plexiform neurofibroma of clitoris should always be considered as a differential diagnosis in children with clitoromegaly before embarking on detailed investigations.
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142768/a-rare-double-aneuploidy-case-down-klinefelter
#16
Sevcan Tug Bozdogan, Atil Bisgin
Down's syndrome has its own dysmorphic findings and is accompanied by mental retardation and hypotonia. Klinefelter's syndrome is a syndrome caused by a numerical abnormality that affects male physical and cognitive development. This case reports a unique finding of 48,XXY, + 21 and a current literature review. A 4-month-old male patient presented with typical clinical features of Down's syndrome with hypothyroidism, atrial septal defect, ventricular septal defect, and patent ductus arteriosus without any phenotypic signs of Klinefelter's syndrome...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142767/could-congenital-insensitivity-to-pain-with-anhidrosis-be-misdiagnosed-as-papillon-lef%C3%A3-vre-syndrome
#17
Mostafa Ibrahim Mostafa, Maha Rashed Abouzaid, Manal Micheal Thomas, Ghada Yousef El-Kamah
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder characterized by early loss of teeth with hyperkeratosis of the palms and soles. Congenital insensitivity to pain with anhidrosis (CIPA) is a disorder of decreased pain sensation, decreased sweating, recurrent infections, and fever. Here, we report a 5-year-old girl born to consanguineous parents with a family history of a similarly affected sibling. The girl presented with early loss of teeth and palmoplantar hyperkeratosis, hence, provisionally diagnosed as PLS...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142766/mutations-in-nsd1-and-nfix-in-three-patients-with-clinical-features-of-sotos-syndrome-and-malan-syndrome
#18
Yongping Lu, Pin Fee Chong, Ryutaro Kira, Toshiyuki Seto, Yumiko Ondo, Keiko Shimojima, Toshiyuki Yamamoto
Mutations in nuclear receptor SET domain-containing protein 1 gene ( NSD1 ) are related to Sotos syndrome, which is characterized by overgrowth, macrocephaly, distinctive features, and neurodevelopmental disabilities. On the other hand, mutations in the nuclear factor I/X gene ( NFIX ) can lead to Malan syndrome, also known as Sotos-like syndrome, or to the Marshall-Smith syndrome. In this study, using next generation sequencing (NGS), we identified de novo mutations in NSD1 and NFIX in three patients with developmental disabilities associated with overgrowth or macrocephaly...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142765/duplication-of-19p13-3-in-11-year-old-male-patient-with-dysmorphic-features-and-intellectual-disability-a-review
#19
Irina Novikova, Paushpala Sen, Ann Manzardo, Merlin G Butler
We present a clinical report of an 11-year-old male patient with an interstitial duplication of 19p13.3 (829 kb in size) at genomic coordinates 3,804,495-4,033,722 bp (hg19) identified by chromosomal microarray analysis and review the literature from nine published reports adding knowledge regarding this chromosomal anomaly and clinical outcomes. The size of the duplication ranged from 0.83 to 8.9 Mb in the nine individuals. The young boy in our report was dysmorphic with microcephaly, abnormal craniofacial features, intellectual disability, aggression, and a heart murmur...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29142764/determining-nt-probnp-levels-with-diastolic-dysfunction-in-thalassemia-major-patients
#20
Mable Misha Singh, Ravindra Kumar, Satyendra Tewari, Sarita Agarwal
Beta thalassemia is an autosomal, recessive disorder, characterized by ineffective erythropoiesis. Chronic transfusions and inability of body to eliminate iron lead to an iron overload, thereby causing damage to heart. Natriuretic peptides (NPs) are produced within the heart, which are then released into the circulation in response to ventricular wall stress. We, therefore, aimed to study the relation between ventricular dysfunction and N-terminal pro-B-type natriuretic peptides (NT-proBNPs). We enrolled 105 patients with increased serum ferritin levels and echocardiography was performed...
December 2017: Journal of Pediatric Genetics
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