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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.

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.

This technology includes human cell lines from patients who have genetic defects in MOGS, the gene encoding mannosyl-oligosaccharide glucosidase, causing the rare congenital disorder of glycosylation type IIb, also known as MOGS-CDG. This defects appears to impair the ability of viruses to infect a second round of cells, which can be used to study and prevent infections. This is likely related to impaired viral replication and cellular entry. This finding has implications for Ebola and Zika, as well as other viral infections.

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.

This technology includes transgenic mice to be used in the study of melanocyte stem cells (MSCs) for utilization in regenerative medicine. Using the melanocyte system as a model, we investigated establishment of MSCs in the hair bulge - the stem cell compartment of the hair. During embryogenesis, all melanoblasts express SOX10, but this expression is downregulated during hair follicle morphogenesis and MSC differentiation. To further study the role of SOX10, we generated transgenic mice overexpressing SOX10 in melanoblasts.

This invention relates to a novel gammaretroviral vector packaging cell line and a method of producing gammaretroviral vectors suitable for gene therapy. The described vectors may contain the gibbon ape leukemia virus (GALV) envelope with a CD11D8 epitope tag enabling their purification on a monoclonal antibody conjugated column. These vectors have several advantages over existing systems, including a broader host range, higher infectivity, and lower potential for replication.

The invention relates to rabbit antisera raised against purified human chymotrypsin and amylase. Both chymotrypsin and amylase are produced by the pancreas and play important roles in digestion. Abnormal levels of chymotrypsin and amylase have been known to occur with multiple pancreas-related disorders, including pancreatitis. Measuring levels of these two enzymes using these polyclonal antibodies can help determine if a pancreas is functioning correctly.

This technology relates to a software package called NIMH DAO Toolbox that uses multithreading and a unique buffer structure to shorten gaps in sample readouts. Data acquisition devices running in continuous sampling mode collect data samples at a given sampling rate. The samples are typically stored in a memory buffer and read out at a regular interval. If the sampling rate is short enough, there can be a gap between the time the first sample is acquired and the time that sample is available to the user. This gap is typically on the order of tens of milliseconds.

This invention includes the generation and use of monoclonal antibodies that specifically recognize either arginine vasopressin (AVP) or oxytocin (OT) when bound to neurophysins. The neurophysins (NPs) are a family of proteins that bind to hormones as they are released from the hypothalamus and make their way to the pituitary gland. Monoclonal antibodies were generated that specifically recognize vasopressin bound to a neurophysin (NP-AVP) or oxytocin bound to a neurophysin (NP-OT). Seven monoclonal antibodies were characterized.

This technology involves the generation and use of a mouse model for studying hypogonadism in humans and a cell line to study cellular and molecular properties of gonadotropin-releasing hormone (GnRH) cells. The mouse model expresses the simian virus 40 T antigen driven by the GnRH promoter, resulting in hypogonadism due to an arrest in neuronal migration during development and tumor formation along the migratory pathway. Olfactory bulb tumors in this model animal were dispersed, and GnRH-secreting neuronal cell line (GN/NLT cell line) was established.