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JOURNAL ARTICLE
Hasan Bas, Ceren Damla Durmaz, Merve Celenkoglu Tombak, Gokhan Ozan Cetin, Kadri Karaer
Filippi syndrome is a rare genetic disorder characterized by growth and neurodevelopmental delays, dysmorphism, and selective limb abnormalities. Although the syndrome was described approximately four decades ago, only a few families with molecularly confirmed diagnoses have been reported. In this article, we present three new patients of Filippi syndrome with unusual clinical and genetic aspects. These patients exhibited novel clinical features that have not previously been associated with Filippi syndrome, including renal hypoplasia/aplasia, renal cysts, renal cortical thinning, hypomelanotic, and hypermelanotic macules...
May 13, 2024: American Journal of Medical Genetics. Part A
#2
Giorgio Costagliola, Sofia D'Elios, Susanna Cappelli, Francesco Massei, Giulia Maestrini, Alessandra Beni, Diego Peroni, Rita Consolini
Chronic infantile neurological cutaneous articular (CINCA) syndrome is an autoinflammatory disease encompassed in the group of cryopyrin-associated periodic syndromes (CAPS). Patients suffering from CINCA have an elevated risk of developing chronic sequelae, including deforming arthropathy, chronic meningitis, neurodevelopmental delay, and neurosensorial hearing loss. The diagnosis of CINCA presents several difficulties, as the clinical phenotype could be difficult to recognize, and almost half of the patients have negative genetic testing...
2024: Frontiers in Pediatrics
#3
JOURNAL ARTICLE
Marie Adamo-Croux, Adriane Auger-Gilli, Gwenaël Le Guyader, Juliette Aubin-Courjault, Henri Margot, Claire Bar, Didier Lacombe, Julien Van-Gils, Marine Legendre, Aurélien Binet, Xavier Le Guillou Horn
INTRODUCTION: KBG syndrome is an autosomal dominant, polymalformative genetic syndrome that is mainly associated with neurodevelopmental and learning disorders, intellectual disability, behavioral disorders, and epilepsy as well as characteristic dysmorphic features, short stature, and ENT (ear, nose, and throat) abnormalities. However, the diagnostic pathway of these individuals is an element that has not been broadly evaluated. The main aim of this study was therefore to characterize the diagnostic pathway for these individuals, by assessing the different healthcare professionals involved and the main referral elements...
May 7, 2024: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
#4
JOURNAL ARTICLE
Osama Y Muthaffar, Ahmed K Bamaga, Anas S Alyazidi, Layan S Baaishrah, Hussain A Alkhalifah, Rafah B Hariri, Maya S Khider, Sereen A Alahmadi
BACKGROUND: In 1978, Charlotte Dravet first described a form of epilepsy termed Dravet syndrome (DS). It is a form of genetic epilepsy with early-onset, intractable epilepsy episodes, and neurodevelopmental delay. In children, DS can lead to refractory seizures that are resistant to standard therapy. Recently, perampanel (PER) was approved as an antiepileptic drug for patients as young as 4 years old. METHODS: The medical records were retrospectively reviewed and patients with DS who used PER were included in this study...
April 30, 2024: Translational Pediatrics
#5
Suelen Dos Santos Henrique, Mariana Jordão França, Rui Carlos Silva Junior, Mara Lúcia Schmitz Ferreira Santos, Daniel Almeida do Valle
We present a case study of a patient exhibiting acquired microcephaly along with global developmental delay and drug-resistant epilepsy. Brain magnetic resonance imaging revealed distinctive features, including a Z-shaped morphology of the brainstem, volumetric reduction of white matter, diffuse thinning of the corpus callosum, and partial fusion of the cerebellar hemispheres at their most cranial portion. Whole-exome sequencing uncovered a pathogenic variant in the ARF3 gene c.200A>T, p.(Asp67Val). The neurodevelopmental disorder associated with the ARF3 gene is exceptionally rare, with only two previously documented cases in the literature...
May 7, 2024: American Journal of Medical Genetics. Part A
#6
The clinical and genetic spectrum of paediatric speech and language disorders in 52,143 individuals.
Jan Magielski, Sarah M Ruggiero, Julie Xian, Shridhar Parthasarathy, Peter Galer, Shiva Ganesan, Amanda Back, Jillian McKee, Ian McSalley, Alexander K Gonzalez, Angela Morgan, Joseph Donaher, Ingo Helbig
Speech and language disorders are known to have a substantial genetic contribution. Although frequently examined as components of other conditions, research on the genetic basis of linguistic differences as separate phenotypic subgroups has been limited so far. Here, we performed an in-depth characterization of speech and language disorders in 52,143 individuals, reconstructing clinical histories using a large-scale data mining approach of the Electronic Medical Records (EMR) from an entire large paediatric healthcare network...
April 23, 2024: medRxiv
#7
Albin Blanc, Céline Bonnet, Marion Wandzel, Virginie Roth, Yannis Duffourd, Hanna Safraou, Bruno Leheup, Florence Muller, Julie D Colne, François Feillet, Emmanuelle Schmitt, Matheus Castro, Jullian Savatt, Adriano Burcheri, Christophe Nemos, Christophe Philippe, Laëtitia Lambert
The autosomal dominant Okur-Chung neurodevelopmental syndrome (OCNDS: OMIM #617062) is a rare neurodevelopmental disorder first described in 2016. Features include developmental delay (DD), intellectual disability (ID), behavioral problems, hypotonia, language deficits, congenital heart abnormalities, and non-specific dysmorphic facial features. OCNDS is caused by heterozygous pathogenic variants in CSNK2A1 (OMIM *115440; NM_177559.3). To date, 160 patients have been diagnosed worldwide. The number will likely increase due to the growing use of exome sequencing (ES) and genome sequencing (GS)...
May 6, 2024: American Journal of Medical Genetics. Part A
#8
JOURNAL ARTICLE
Yuto Arai, Tohru Okanishi, Tetsuya Okazaki, Hiroyuki Awano, Rie Seyama, Yuri Uchiyama, Naomichi Matsumoto, Akiko Tamasaki, Yoshihiro Maegaki
BACKGROUND: ASXL3-related disorder, first described in 2013, is a genetic disorder with an autosomal dominant inheritance that is caused by a heterozygous loss-of-function variant in ASXL3. The most characteristic feature is neurodevelopmental delay with consistently limited speech. Feeding difficulty is a main symptom observed in infancy. However, no adolescent case has been reported. CASE PRESENTATION: A 14-year-old girl with ASXL3-related syndrome was referred to our hospital with subacute onset of emotional lability...
May 6, 2024: BMC Pediatrics
#9
JOURNAL ARTICLE
Yuki Kawashima-Sonoyama, Keisuke Wada, Kei Yamamoto, Masanobu Fujimoto, Noriyuki Namba, Takeshi Taketani
Short stature with IGF-1 receptor (IGF1R) gene alteration is known as small-for-gestational-age (SGA) short stature with elevated serum IGF1 levels. Its prevalence and clinical characteristics remain unclear. No adapted treatment is available for short stature related to IGF1R gene alteration in Japan, and genetic testing is not yet widely accessible. We investigated short stature with IGF1R gene alterations and analyzed the clinical data of 13 patients using the results of questionnaires issued to the Japanese Society for Pediatric Endocrinology...
May 3, 2024: Endocrine Journal
#10
Arianna Esposito, Marcello Niceta, Antonio Novelli, Monia Magliozzi, Giovanni Parlapiano, Anwar Baban, Marco Alfonso Perrone
Aymé-Gripp syndrome (AYGRPS) is a multisystemic disorder caused by a subset of pathogenic variants in the MAF gene. Major clinical features include bilateral early cataracts, sensorineural hearing loss (SNHL), and a characteristic facial appearance along with variable neurodevelopmental delay. Pericarditis resulting in pericardial effusion of varying degree has been observed in a subset of affected individuals and could represent a severe feature in neonatal or infantile age. Here, we describe a syndromic infant with massive pericardial effusion and craniofacial features that oriented toward the suspicion of AYGRPS, which was subsequently confirmed by the molecular analysis of MAF...
May 6, 2024: American Journal of Medical Genetics. Part A
#11
REVIEW
Richard E Frye, Nicole Rincon, Patrick J McCarty, Danielle Brister, Adrienne C Scheck, Daniel A Rossignol
Autism spectrum disorder (ASD) is a neurodevelopmental disorder affecting 1 in 36 children and is associated with physiological abnormalities, most notably mitochondrial dysfunction, at least in a subset of individuals. This systematic review and meta-analysis discovered 204 relevant articles which evaluated biomarkers of mitochondrial dysfunction in ASD individuals. Significant elevations (all p < 0.01) in the prevalence of lactate (17%), pyruvate (41%), alanine (15%) and creatine kinase (9%) were found in ASD...
May 2, 2024: Neurobiology of Disease
#12
JOURNAL ARTICLE
Ilaria Pettenuzzo, Sara Carli, Ana Sánchez-Cuesta, Federica Isidori, Francesca Montanari, Mina Grippa, Giulia Lanzoni, Irene Ambrosetti, Veronica Di Pisa, Duccio Maria Cordelli, Maria Cristina Mondardini, Tommaso Pippucci, Luca Ragni, Giovanna Cenacchi, Roberta Costa, Mario Lima, Maria Antonietta Capristo, Concetta Valentina Tropeano, Leonardo Caporali, Valerio Carelli, Elena Brunelli, Monica Maffei, Hodman Ahmed Sheikhmaye, Anna Fetta, Gloria Brea-Calvo, Caterina Garone
COQ7 pathogenetic variants cause primary CoQ10 deficiency and a clinical phenotype of encephalopathy, peripheral neuropathy, or multisystemic disorder. Early diagnosis is essential for promptly starting CoQ10 supplementation. Here, we report novel compound heterozygous variants in the COQ7 gene responsible for a prenatal onset (20 weeks of gestation) of hypertrophic cardiomyopathy and intestinal dysmotility in a Bangladesh consanguineous family with two affected siblings. The main clinical findings were dysmorphisms, recurrent intestinal occlusions that required ileostomy, left ventricular non-compaction cardiomyopathy, ascending aorta dilation, arterial hypertension, renal dysfunction, diffuse skin desquamation, axial hypotonia, neurodevelopmental delay, and growth retardation...
May 3, 2024: European Journal of Human Genetics: EJHG
#13
Alyamama Kousa, Reem Ahmed, Pr Diana Alasmar
INTRODUCTION: The authors identify two patterns of inheritance in a Syrian child from consanguineous parents. The membrane-bound O-acyltranferase domain-containing7 (MBOAT7) gene encodes Lysophosphatidylinositol acyltranferase (LPIAT1), which is responsible for the neurodevelopment of the brain cortex. Patients with MBOAT7 variants exhibit pathogenic nervous manifestations such as global developmental delays affecting speech and motor function, intellectual disability (ID), poor coordination, and seizures, with or without MRI abnormalities...
May 2024: Annals of Medicine and Surgery
#14
Mark A Colijn, David N Crockford
INTRODUCTION: 18q deletion syndrome is a rare genetic disorder characterized by various neurodevelopmental anomalies and medical issues. Although the occurrence of psychosis has been reported in a small number of cases, details regarding the nature of such symptoms and their response to treatment have not been described. CASE PRESENTATION: We describe a 31-year-old male with a history of speech delays, autistic features, a tethered spinal cord, bilateral vertical talus, subaortic stenosis and aortic regurgitation, recurrent otitis media, mild hearing loss, and hypospadias, who experienced a first episode of psychosis in his late 20s...
April 29, 2024: Neuropsychobiology
#15
JOURNAL ARTICLE
Jihoon G Yoon, Jung Woo Yu, Kyu Won Shim, Yong Oock Kim, Min Goo Lee
RASopathies represent a distinct class of neurodevelopmental syndromes caused by germline variants in the Ras/MAPK pathways. Recently, a novel disease-gene association was implicated in MAPK kinase kinase kinase 4 (MAP4K4), which regulates the upstream signals of the MAPK pathways. However, to our knowledge, only two studies have reported the genotype-phenotype relationships in the MAP4K4-related disorder. This study reports on a Korean boy harboring a novel de novo missense variant in MAP4K4 (NM_001242559:c...
April 28, 2024: Clinical Genetics
#16
JOURNAL ARTICLE
Dana E Layo-Carris, Emily E Lubin, Annabel K Sangree, Kelly J Clark, Emily L Durham, Elizabeth M Gonzalez, Sarina Smith, Rajesh Angireddy, Xiao Min Wang, Erin Weiss, Roberto Mendoza-Londono, Lucie Dupuis, Nadirah Damseh, Danita Velasco, Irene Valenzuela, Marta Codina-Solà, Catherine Ziats, Jaclyn Have, Katie Clarkson, Dora Steel, Manju Kurian, Katy Barwick, Diana Carrasco, Aditi I Dagli, M J M Nowaczyk, Miroslava Hančárová, Šárka Bendová, Darina Prchalova, Zdeněk Sedláček, Alica Baxová, Catherine Bearce Nowak, Jessica Douglas, Wendy K Chung, Nicola Longo, Konrad Platzer, Chiara Klöckner, Luisa Averdunk, Dagmar Wieczorek, Ilona Krey, Christiane Zweier, Andre Reis, Tugce Balci, Marleen Simon, Hester Y Kroes, Antje Wiesener, Georgia Vasileiou, Nikolaos M Marinakis, Danai Veltra, Christalena Sofocleous, Konstantina Kosma, Joanne Traeger Synodinos, Konstantinos A Voudris, Marie-Laure Vuillaume, Paul Gueguen, Nicolas Derive, Estelle Colin, Clarisse Battault, Billie Au, Martin Delatycki, Mathew Wallis, Lyndon Gallacher, Fatma Majdoub, Noor Smal, Sarah Weckhuysen, An-Sofie Schoonjans, R Frank Kooy, Marije Meuwissen, Benjamin T Cocanougher, Kathryn Taylor, Carolyn E Pizoli, Marie T McDonald, Philip James, Elizabeth R Roeder, Rebecca Littlejohn, Nicholas A Borja, Willa Thorson, Kristine King, Radka Stoeva, Manon Suerink, Esther Nibbeling, Stephanie Baskin, Gwenaël L E Guyader, Julie Kaplan, Candace Muss, Deanna Alexis Carere, Elizabeth J K Bhoj, Laura M Bryant
Bryant-Li-Bhoj syndrome (BLBS), which became OMIM-classified in 2022 (OMIM: 619720, 619721), is caused by germline variants in the two genes that encode histone H3.3 (H3-3A/H3F3A and H3-3B/H3F3B) [1-4]. This syndrome is characterized by developmental delay/intellectual disability, craniofacial anomalies, hyper/hypotonia, and abnormal neuroimaging [1, 5]. BLBS was initially categorized as a progressive neurodegenerative syndrome caused by de novo heterozygous variants in either H3-3A or H3-3B [1-4]. Here, we analyze the data of the 58 previously published individuals along 38 unpublished, unrelated individuals...
April 27, 2024: European Journal of Human Genetics: EJHG
#17
REVIEW
Molly E McGetrick, James J Riviello
Medical and surgical advancements have improved survival in children with acquired and congenital heart disease (CHD), but the burden of neurological morbidity is high. Brain disorders associated with CHD include white matter injury, stroke, seizure, and neurodevelopmental delays. While genetics and disease-specific factors play a substantial role in early brain injury, therapeutic management of the heart disease intensifies the risk. There is a growing interest in understanding how to reduce brain injury and improve neurodevelopmental outcomes in cardiac diseases...
April 2024: Seminars in Pediatric Neurology
#18
JOURNAL ARTICLE
Ruy Pires de Oliveira-Sobrinho, Simone Appenzeller, Ianne Pessoa Holanda, Júlia Lôndero Heleno, Josep Jorente, On Behalf Of The Rare Genomes Project Consortium, Társis Paiva Vieira, Carlos Eduardo Steiner
Juvenile idiopathic arthritis is a heterogeneous group of diseases characterized by arthritis with poorly known causes, including monogenic disorders and multifactorial etiology. 22q11.2 proximal deletion syndrome is a multisystemic disease with over 180 manifestations already described. In this report, the authors describe a patient presenting with a short stature, neurodevelopmental delay, and dysmorphisms, who had an episode of polyarticular arthritis at the age of three years and eight months, resulting in severe joint limitations, and was later diagnosed with 22q11...
April 19, 2024: Genes
#19
JOURNAL ARTICLE
Mario Benvenuto, Sofia Cesarini, Giulia Severi, Enrico Ambrosini, Angelo Russo, Marco Seri, Pietro Palumbo, Orazio Palumbo, Marco Castori, Emanuele Panza, Massimo Carella
O'Donnell-Luria-Rodan (ODLURO) syndrome is an autosomal dominant disorder caused by mutations in the KMT2E gene. The clinical phonotype of the affected individuals is typically characterized by global developmental delay, autism, epilepsy, hypotonia, macrocephaly, and very mild dysmorphic facial features. In this report, we describe the case of a 6-year-old boy with ODLURO syndrome who is a carrier of the synonymous mutation c.186G>A (p.Ala62=) in the KMT2E gene, predicted to alter splicing by in silico tools...
March 29, 2024: Genes
#20
REVIEW
Matas Nasvytis, Julija Čiauškaitė, Giedrė Jurkevičienė
GNB1 encephalopathy is a rare genetic disease caused by pathogenic variants in the G Protein Subunit Beta 1 (GNB1) gene, with only around 68 cases documented worldwide. Although most cases had been caused by de novo germline mutations, in this case, the pathogenic variant was inherited from patient's mother, indicating an autosomal dominant inheritance pattern. The patient presented at 25 years of age with mild developmental delay and cognitive impairment, prominent generalized dystonia, and horizontal nystagmus which are all characterizing symptoms of GNB1 encephalopathy...
April 1, 2024: Medicina
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