Human Fibroblast Cell Lines Heterozygous for Glucocerebrosidase (GBA1) Mutation N370S for the Study of Neurodegenerative Disorders and their Treatments

This technology includes six cell lines for the study of Glucocerebrosidase (GBA1) mutations which could be used for the evaluation and eventual treatments for conditions such as Gaucher's disease and Parkinson's disease. GBA1 is a lysosomal enzyme, responsible for breakdown of a fatty material called glucocerebroside (or glucosyl ceramide). Deficiency or malfunction of GBA1 leads to the accumulation of insoluble glucocerebrosides (derived mostly from ingested red and white blood cell membranes) in tissues, which is a major symptom of Gaucher disease.

Mouse Model Created Using Glucocerebrosidase-Deficient Neuronal Cell Line to Study Gaucher Disease Pathophysiology and Evaluate New Therapies

This technology includes a high-yield, easy-to-culture mouse neuronal cell model with nearly complete glucocerebrosidase deficiency representative of Gaucher disease (GD) to study pathophysiology and evaluate new therapies. GD is an autosomal recessive lysosomal storage disorder caused by loss-of function mutations in the GBA1 gene, which codes for the lysosomal hydrolase glucocerebrosidase (GCase).

Mouse Model of Hutchinson-Gilford Progeria Syndrome (HGPS) and Vascular Abnormalities (G608G) mutated form of human LNMA) for Therapeutic Development

Children with Hutchinson-Gilford progeria syndrome (HGPS) suffer from acceleration of certain aging symptoms, mainly cardiovascular disease that generally leads to death from myocardial infarction and/or stroke. The cause of HGPS has been discovered to be a de novo point mutation in lamin A (LNMA) gene. NHGRI Scientist have generated a transgenic mouse model of HGPS. This mouse carries a bacterial artificial chromosome (BAC) with a De novo mutation 1824 C to T (G608G) mutated form of human LNMA.

Human Cell Lines with NGLY1 Mutations for the Study of NGLY1 Deficiency and Therapeutic Development

Congenital disorders of glycosylation (CDGs) are a group of inborn errors characterized by abnormalities in the process of glycosylation of biomolecules. Although more than 100 different CDGs have been reported, only one has been thoroughly described, namely NGLY1 deficiency or NGLY1-CDG. NGLY1 encodes N-glycanase 1, an enzyme involved in the cytosolic degradation of misfolded glycoproteins and other glycoproteins bound for degradation.

Human Fibroblast Cell Lines with PMM2 Congenital Disorder of Glycosylation for Therapeutic Development

Congenital disorders of glycosylation (CDGs) are inherited disorders of abnormal protein glycosylation that affect multiple organ systems. More than 100 different CDGs have been described, affecting protein and lipid glycosylation. NHGRI investigators have been able to isolate fibroblasts from patients with PMM2 (phosphomannomutase)-CDG, also known at CDG type Ia, which is an inherited, broad-spectrum disorder with developmental and neurological abnormalities.

Murine Model of Niemann-Pick Disease Type C

This technology includes a transgenic mouse model of Niemann-Pick Disease Type C (NPC), which is a rare neurodegenerative disorder, characterized by intracellular accumulation of cholesterol and gangliosides. The mouse strain, Tg(Npcl), expresses wild-type NPC1 gene under the control of the prion promoter. When combined with the NPC deficient mouse model, BALB/c npcnih/nih, also known as Npcl-/-, the transgene insertion allele rescues life expectancy of Npc1-/- mice. Npc1-/- mouse have reduced life expectancy and die around 8 weeks, making it a difficult model to be utilized.

Imaging Inflammation using PET Radioligands that Target Translocator Protein 18?kDa with High Affinity Regardless of Genotype

This technology includes a group of radioligands that label inflammatory cells specifically, accurately, and across different genotypes and can be detected using Positron Emission Tomography (PET). The radioligands target the Translocator protein 18 kDa (TSPO) receptor which is present on the outer mitochondrial membrane and is involved in the production of steroids. Current TSPO radioligands either lack specificity or have highly variable inter-subject sensitivities due to TSPO genotypic differences.

Generation of mutant mouse alleles that functionally disrupt production of BDNF from its ndividual promoters

This technology relates to a mouse model that improves an existing method of disrupting the production of the BDNF protein in specific parts of the brain. A current avenue of research seeks to examine how gene expression may effect long-lasting changes in the nervous system. Previous work has resulted in a mouse line in which the production of BDNF was disrupted. However, these mice had an inadvertent genetic component left in: a neomycin cassette. This unintentional addition led to significant deleterious effects.

Imaging Inflammation using PET Radioligands that Target Translocator Protein 18?kDa with High Affinity Regardless of Genotype

This technology includes a group of radioligands that label inflammatory cells specifically, accurately, and across different genotypes and can be detected using Positron Emission Tomography (PET). The radioligands target the Translocator protein 18 kDa (TSPO) receptor which is present on the outer mitochondrial membrane and is involved in the production of steroids. Current TSPO radioligands either lack specificity or have highly variable inter-subject sensitivities due to TSPO genotypic differences.

Stopping Neurogenesis in Transgenic Mice and Rat Models that Express the HSV-thymidine kinase Gene in Neuronal Precursor Cells

This invention relates to novel mouse and rat models that permit the temporal death of neuronal precursor cells at any time point. Other existing methods of decreasing neurogenesis are relatively non-specific (e.g., injecting glucocorticoids) or require expensive equipment (e.g., focal x-irradiation)
These mice and rats are being used to inhibit adult neurogenesis in order to study the normal function of adult neurogenesis and to model disease states thought to feature decreased neurogenesis, such as chronic stress, anxiety, and depression.