JAX Mice Database - Adrenal Medulla Defects

Search Criteria: Research Area is "Internal/Organ Research: Adrenal Medulla Defects"

JAX^® Mice Strains

Stock Number	Strain Name Strain Description	Standard Supply
007005	129S-Scg5^tm1Led/J	Cryopreserved - Ready for recovery
	*The colony at The Jackson Laboratory Repository is on a mixed 129S genetic background and may not recapitulate the phenotype originally described.* The following text reflects the phenotype reported by the donating investigator (Dr. Iris Lindberg) on a "129Sv" genetic background (probably "Taconic Sv129" (129S6/SvEvJ)). While heterozygotes are viable and fertile, mice homozygous for this mutation (7B2-null) die in prepubertal or pubertal ages (5 weeks) with severe cardio-respiratory failure, convulsions, and hypothermia. No transcripts are detected in brain tissue from the targeted gene. 7B2-null mice are unable to make an active form of prohormone convertase 2 (PC2) and have high circulating corticosterone. Homozygotes on the "129Sv" genetic background exhibit Cushing's-like disease pathologies of liver, pancreas, and pituitary; including pituitary-dependent hyperadrenocorticosteronism, severe hypoglycemia, hyperproinsulinemia, adrenal hypertrophy, pitui ..... For more information please see the full phenotype on the strain data sheet
009387	B6.129S1-Osr1^tm1Jian/J	Cryopreserved - Ready for recovery
	The Osr1^tm1Jian (Odd1-LacZ) mutation abolishes endogenous gene function and expresses a β-galactosidase fusion protein (fused in-frame with the N-terminal 16 amino acid residues of the endogenous protein). Under control of the upstream promoter/enhancer elements, lacZ expression is directed to the same tissues as the wild-type gene (for example, β-galactosidase expression during embryogenesis is detected at E7.5 in the intermediate mesoderm, is expanded to the gut endoderm, lung bud mesenchyme and myocardial cells by E9.5, and is activated in developing branchial arches and limb buds by E10.5). Almost all (`95%) of homozygous mice die in utero between E11.5-E12.5 from circulation distress; exhibiting malformed atrial septum, dilated atria with hypoplastic venous valves, and blood backflow from the heart into systemic veins. Homozygotes also exhibit complete agenesis of adrenal glands, metanephric kidneys, gonads, and defects in pericard ..... For more information please see the full phenotype on the strain data sheet
003266	B6;129S7-Epas1^tm1Rus/J	Cryopreserved - Ready for recovery
	Mice homozygous for the Epas1^tm1Rus targeted mutation develop normally until embryonic day 11.5. Beginning at embryonic day 12.5 the ratio of homozygous embryos begins to decline and by day 16.5 there are no viable mutant embryos. Overall morphological development, including the circulatory system, is normal. Of particular interest however, is a pronounced bradycardia in homozygous mutant mice. Catecholamine levels in homozygous mutant mice are also significantly lower than wildtype controls. Administration of the catecholamine precursor DOPS to pregnant females rescues approximately 40% of mutant embryos. Embryos that survive to birth appear runted, fail to nurse, and die within 24 hours of birth. These results suggest a pivotal role of EPAS1 in catecholamine homeostasis. Heterozygous mice from this strain contain a modified lacZ gene in the targeting construct. This characteristic makes this strain useful as a marker for endothelial cells.
003398	CBA/J-dal/GrsrJ	Cryopreserved - Ready for recovery
	Dark-like dal is a recessive mutation causing a darkened coat color, smaller size, gonad abnormalities, and dark staining urine. dal maps to Chromosome 7 and a previously described mutation named dark da maps to the same chromosomal region. Dark-like may be a remutation to dark da.However a test for allelism is not possible because dark is thought to be extinct. Mice homozygous for the dal mutation are easily recognized by 14 days of age by their darkened coats and smaller size. Some homozygotes appear, both phenotypically and pathologically (dense bones), to have skeletal abnormalities however X-rays appear normal. At 7 months of age females had no follicles and many corpora lutea and males mild testicular degeneration with increased Leydig cells. Serum assays for Albumin, BUN, Creatine, Bilirubin, and iron showed no significant differences from controls.
000253	DLS/LeJ	Cryopreserved - Ready for recovery
	Mice homozygous for the dilute-lethal spontaneous mutation (Myo5a^d-l) display a severe neuromuscular disorder characterized by convulsions and opisthotonus. Homozygous mutant mice usually die by approximately 3 weeks of age. Dilute lethal homozygotes lack smooth endoplasmic reticulum in the dendritic spine of Purkinje cells causing an absence of intracellular calcium. Loss of this intracellular calcium may be the cause of dilute-lethal neurological symptoms. Homozygous dilute-neurological mutant mice (Myo5a^d-n, Stock No. 001013) display a neuromuscular disorder, but the condition is less severe than in dilute-lethal homozygotes. In this DLS/Le inbred strain the dilute-lethal mutation is maintained in repulsion with short ear (Bmp^se), closely linked mutations on Chromosome 9.

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