A child with extreme growth failure, dysmorphic features, hypoparathyroidism, and abnormal skeletal survey was studied. He was a product of first degree consaguineous marriage who had intrauterine growth retardation and presented at 14 days of age with hypocalcemic tetany with normal cardiovascular system and immune function. Endocrine evaluation after infancy revealed defective growth hormone (GH) secretion in 2 provocation tests and lack of clinical and testosterone response to human chorionic gonadotrophin (HCG) therapy.
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http://dx.doi.org/10.1007/BF02730821 | DOI Listing |
Inorg Chem
January 2025
Guizhou Provincial Key Laboratory of Computational Nano-Material Science, Guizhou Education University, Guiyang 550018, China.
The n-type and p-type conductivity mechanisms from intrinsic defects and Group IIA and Group VIB element doping in the photocatalyst BiTaO are systematically investigated by employing hybrid density functional calculations. The results reveal that vacancies , , , and antisite Ta are the predominant defects, depending on growth conditions. Bi-rich, appropriate Ta-rich, and O-poor conditions can promote BiTaO to form n-type conductivity due to the presence of the Ta donor defect and its easier ionization.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine, University of Alexandria, Alexandria, EGY.
Aim: Thyroid nodules, based on high-resolution ultrasonography (HRUS), are among the most common endocrine abnormalities that affect the general population because of their high estimated prevalence rates. Fine needle aspiration cytology (FNAC) is a safe, cost-effective modality to differentiate between benign and malignant thyroid nodules based on the Bethesda System for Reporting Thyroid Cytopathology (BSRTC), thus avoiding unnecessary surgery. However, categories III and IV of BSRTC remain a controversial issue in clinical practice, encompassing a wide range of risks of malignancy.
View Article and Find Full Text PDFCureus
December 2024
Gastroenterology and Hepatology, Aberdeen Royal Infirmary Hospital, Aberdeen, GBR.
Intraductal papillary neoplasm of the bile duct (IPNB) is a precursor lesion to biliary tract carcinoma. It is characterised by papillary growth within the bile ducts. The diagnosis and management of IPNB are challenging due to its varying presentations and overlapping features with other biliary diseases.
View Article and Find Full Text PDFFront Immunol
January 2025
International Collaboration on Repair Discoveries (ICORD) Centre, Vancouver Coastal Health Research Institute (VCHRI), University of British Columbia (UBC), Vancouver, BC, Canada.
Keloid scars (KS) and hypertrophic scars (HS) are fibroproliferative wound healing defects characterized by excessive accumulation of extracellular matrix (ECM) in the dermis of affected individuals. Although transforming growth factor (TGF)-β is known to be involved in the formation of KS and HS, the molecular mechanisms responsible for its activation remain unclear. In this study we investigated Granzyme B (GzmB), a serine protease with established roles in fibrosis and scarring through the cleavage of ECM proteins, as a potential new mediator of TGF-β activation in KS and HS.
View Article and Find Full Text PDFJ Transl Med
January 2025
College of Life Science, Henan Normal University, Xinxiang, Henan, China.
Background: Regeneration plays a key role in energy recycling and homeostasis maintenance. Planarians, as ideal model animals for studying regeneration, stem cell proliferation, and apoptosis, have the strong regenerative abilities. Considerable evidence suggests that ubiquitin plays an important role in maintaining homeostasis and regulating regeneration, but the function of Ubiquitin specific proteases 7 (Usp7) on regeneration in planarians remains elusive.
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