Objective: Short stature homeobox () haploinsufficiency underlies idiopathic short stature (ISS) and Leri-Weill dyschondrosteosis. The worldwide prevalence of variations in ISS varies from 2.5% to 15.0%. The aim of this study was to assess the implication of variation in ISS in North Indians and compare this with other cases of variations from Asian population.
Methods: gene analysis was carried out by multiplex ligation-dependent probe amplification followed by Sanger sequencing in 54 patients with variable phenotypes. Comparison with other reports in a meta-analysis comprising the current study and 11 previous studies (n=979) was performed.
Results: analysis resulted in 12.9% positivity (7.4% deletions and 5.5% duplications). association was seen significantly related to gender, with predominance in females (p=0.047). Short arms and forearms were the only significantly associated trait seen in 51.9% of children. The overall prevalence of variation was 15.2% in Asians with ISS. No significant difference was found in geographical region-specific analysis.
Conclusion: This study summarises findings from the last decade and provides an updated picture of the prevalence of variations in Asians, emphasizing their potential as therapeutic targets in ISS patients. Further high quality, large investigations including functional validation is warranted to validate this association.
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http://dx.doi.org/10.4274/jcrpe.galenos.2023.2023-3-13 | DOI Listing |
Pediatr Radiol
January 2025
Department of Pediatric Genetics, Istanbul University-Cerrahpaşa, Cerrahpasa Medical Faculty, 34098, Cerrahpasa, Istanbul, Turkey.
Background: Heterozygous TRPV4 mutations cause a group of skeletal dysplasias characterized by short stature, short trunk, and skeletal deformities.
Objective: The aim of this study is to compare the natural history of clinical and radiologic features of patients with different TRPV4-related skeletal dysplasias.
Materials And Methods: Thirteen patients with a mutation in TRPV4 were included in the study, and 11 were followed for a median of 6.
Ann Bot
January 2025
Division of BioInvasions, Global Change & Macroecology, University of Vienna, Austria.
Background And Aims: Despite accelerating interest in island evolution, the general evolutionary trajectories of island flowers remain poorly understood. In particular the island rule, which posits that small organisms become larger and large organisms to become smaller after island colonization, while tested in various plant traits, has never been tested in flower size. Here, we provide the first test for the island rule in flower size for animal- and wind-pollinated flowers, and the first evidence for generalized in-situ evolution of flower size on islands.
View Article and Find Full Text PDFZhongguo Dang Dai Er Ke Za Zhi
January 2025
Department of Endocrinology, Metabolism and Genetics, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.
Patients with Noonan syndrome (NS) are born with normal or slightly lower body length and weight compared to the normal ranges. However, their height gradually falls behind that of the general population, leading to growth retardation and delayed puberty. In China, the incidence of short stature in patients with NS is approximately 65%.
View Article and Find Full Text PDFBest Pract Res Clin Endocrinol Metab
January 2025
Department of Endocrinology, Seth G.S. Medical College and King Edward Memorial Hospital, Mumbai, India. Electronic address:
Adolescent primary hyperparathyroidism (PHPT) is a rare endocrine disorder bearing distinctions from the adult form. This review examines its unique aspects, focusing on clinical presentation, genetic etiologies, genotype-phenotype correlations, and therapeutic management. Adolescent PHPT often has a genetic basis, whether familial, syndromic, or apparently sporadic, and identifying the underlying genetic cause is important for patient care.
View Article and Find Full Text PDFBirth Defects Res
January 2025
National Center for Birth Defects Monitoring, West China Second University Hospital, Sichuan University, Chengdu, China.
Background: Seasonality in the incidence of congenital hypothyroidism (CH) has been identified in several countries and different conclusions have been drawn. The objective of this study was to examine whether this seasonality is also observable in China and how it manifests across different temperate zones.
Methods: Data on CH cases and screened neonates between January 1, 2014, and September 30, 2022, by year and season, were sourced from the Chinese Newborn Screening Information System.
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