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Familial Hypocalciuric Hypercalcemia (FHH1) is a rare autosomal dominant disease with low penetrance, caused by inactivating mutations of the calcium-sensing receptor (CaSR) gene, characterized by significant hypercalcemia, inappropriately normal serum PTH levels and a low urinary calcium level. Human induced pluripotent stem cells (hiPSCs) from a patient carrying a previously identified heterozygous mutation, a p.T972M amino acid substitution in cytoplasmic tail of CasR, were produced using a virus, xeno-free and non-integrative protocol.
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http://dx.doi.org/10.1016/j.scr.2023.103023 | DOI Listing |
J Clin Invest
September 2025
Department of Clinical and Biomedical Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom.
Understanding the genetic causes of diseases affecting pancreatic β cells and neurons can give insights into pathways essential for both cell types. Microcephaly, epilepsy and diabetes syndrome (MEDS) is a congenital disorder with two known aetiological genes, IER3IP1 and YIPF5. Both genes encode proteins involved in endoplasmic reticulum (ER) to Golgi trafficking.
View Article and Find Full Text PDFStem Cell Rev Rep
September 2025
Stem Cells and Metabolism Research Program (STEMM), Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland.
Mutations in Delta Like Non-Canonical Notch Ligand 1 (DLK1), a paternally expressed imprinted gene, underlie central precocious puberty (CPP), yet the mechanism remains unclear. To test the hypothesis that DLK1 plays a role in gonadotropin releasing hormone (GnRH) neuron ontogeny, 75 base pairs were deleted in both alleles of DLK1 exon 3 with CRISPR-Cas9 in human pluripotent stem cells (hPSCs). This line, exhibiting More than 80% loss of DLK1 protein, was differentiated into GnRH neurons by dual SMAD inhibition (dSMADi), FGF8 treatment and Notch inhibition, as previously described, however, it did not exhibit accelerated GNRH1 expression.
View Article and Find Full Text PDFExpert Opin Drug Deliv
September 2025
Department of Hematology, The First Affiliated Hospital of Ningbo University, Ningbo, PR China.
Introduction: Hematopoietic stem cell transplantation (HSCT) is a promising treatment option for hematological malignancies. Despite its curative potential, it faces clinical challenges, including relapse and graft-versus-host disease (GVHD). Systemic toxicity due to chemotherapy is a significant problem in patients with hematological malignancies.
View Article and Find Full Text PDFAdv Sci (Weinh)
September 2025
Cell Biology and Epigenetics, Department of Biology, Technical University of Darmstadt, 64287, Darmstadt, Germany.
Chromatin dynamics play a crucial role in cellular differentiation, yet tools for studying global chromatin mobility in living cells remain limited. Here, a novel probe is developeded for the metabolic labeling of chromatin and tracking its mobility during neural differentiation. The labeling system utilizes a newly developed silicon rhodamine-conjugated deoxycytidine triphosphate (dCTP).
View Article and Find Full Text PDFCureus
August 2025
Internal Medicine, Jinnah Postgraduate Medical Centre, Karachi, PAK.
Neurodegenerative diseases and spinal cord injuries (SCI) pose a significant burden on the healthcare system globally. Diseases such as Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and Huntington's disease precipitate cognitive, motor, and behavioral deficits. Parallelly, spinal cord injuries produce sensory and motor deficits, which are burdensome psychologically, socially, and economically.
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