Developmental disabilities are defined as disorders that result in the limitation of function due to impaired development of the nervous system; these disabilities can be present in the form of impairments in learning, language, behavior, or physical abilities. Examples of developmental disorders include attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), cerebral palsy (CP), hearing loss, blindness, intellectual disability, and learning disability. Of these disorders, ASD prevalence was 18.5 per 1000 children (1 in 54) aged 8 in 2016. Current literature suggests that deficient levels of heparan sulfate (HS), an acidic and linear glycosaminoglycan (GAG), is likely causative of ASD. The cascading effect of deficient HS levels can offer compelling evidence for the association of HS with ASD. Deficient levels of HS lead to defective Slit/Robo signaling, which affects axonal guidance and dendritic spine formation. Defective Slit/Robo signaling leads to increased Arp2/3 activity and dendritic spine density, which has been observed in the brains of persons with ASD. Therefore, interventions that target HS and its associated pathways may be viable treatment options for ASD.
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http://dx.doi.org/10.1016/j.expneurol.2022.114050 | DOI Listing |
Diabetes Care
January 2025
Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL.
Objective: Subtypes of gestational diabetes mellitus (GDM) based on insulin sensitivity and secretion have been described. We addressed the hypothesis that GDM subtypes are differentially associated with newborn and child anthropometric and glycemic outcomes.
Research Design And Methods: Newborn and child (age 11-14 years) outcomes were examined in 7,970 and 4,160 mother-offspring dyads, respectively, who participated in the Hyperglycemia and Adverse Pregnancy Outcome Study (HAPO) and Follow-Up Study.
JCO Precis Oncol
January 2025
Sarcoma Translational Research Group, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.
Purpose: Less than 5% of GI stromal tumors (GISTs) are driven by the loss of the succinate dehydrogenase (SDH) complex, resulting in a pervasive DNA hypermethylation pattern that leads to unique clinical features. Advanced SDH-deficient GISTs are usually treated with the same therapies targeting KIT and PDGFRA receptors as those used in metastatic GIST. However, these treatments display less activity in the absence of alternative therapeutic options.
View Article and Find Full Text PDFJ Pediatr Endocrinol Metab
January 2025
Department of Rare Diseases, Institute of Graduate Studies in Health Sciences, Istanbul University, Istanbul, Türkiye.
Objectives: Phenylketonuria (PKU) and tyrosinemia type 3 (HT3) are both rare autosomal recessive disorders of phenylalanine-tyrosine metabolism. PKU is caused by a deficiency in phenylalanine hydroxylase (PAH), leading to elevated phenylalanine (Phe) and reduced tyrosine (Tyr) levels. HT3, the rarest form of tyrosinemia, is due to a deficiency in 4-hydroxyphenylpyruvate dioxygenase (HPD).
View Article and Find Full Text PDFCell Rep
January 2025
Department of Biology, Center for RNA Biology, University of Rochester, Rochester, NY, USA. Electronic address:
The tRNA methyltransferase 1 (TRMT1) enzyme catalyzes the N2,N2-dimethylguanosine (m2,2G) modification in tRNAs. Intriguingly, vertebrates encode an additional tRNA methyltransferase 1-like (TRMT1L) paralog. Here, we use a comprehensive tRNA sequencing approach to decipher targets of human TRMT1 and TRMT1L.
View Article and Find Full Text PDFFEBS J
January 2025
Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Canada.
In this study, we explored the intricate relationship between Pannexin 1 (PANX1) and the Hippo signaling pathway effector, Yes-associated protein (YAP). Analysis of The Cancer Genome Atlas (TCGA) data revealed a significant positive correlation between PANX1 mRNA and core Hippo components, Yes-associated protein 1 [YAP], Transcriptional coactivator with PDZ-binding motif [TAZ], and Hippo scaffold, Ras GTPase-activating-like protein IQGAP1 [IQGAP1], in invasive cutaneous melanoma and breast carcinoma. Furthermore, we demonstrated that PANX1 expression is upregulated in invasive melanoma cell lines and is associated with increased YAP protein levels.
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