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Página 1 desde 63 resultados
Telencephalic organization in the spotted African Lungfish, Protopterus dolloi: a new cytological model.
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Recent studies have greatly increased our knowledge of telencephalic organization in ray-finned fishes and terrestrial vertebrates, particularly amphibians. In contrast, little new information has been generated on telencephalic organization in lobe-finned fishes. The coelacanth, Latimeria, and
Occurrence of neuropeptides and tyrosine hydroxylase in the olfactory epithelium of the lesser-spotted catshark (Scyliorhinus canicula Linnaeus, 1758).
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Immunohistochemical studies using antisera against various neuropeptides (Substance P, vasoactive intestinal polypeptide, and cholecystokinin octapeptide) and tyrosine hydroxylase revealed both olfactory sensory neuron (OSN) polymorphisms and transepithelial-subepithelial nerves in the olfactory
A modified automated fluorometric method for tyrosine determination in blood spotted on paper: a mass screening procedure for tyrosinemia.
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A de novo germline mutation of KIT in a white-spotted Brown Swiss cow.
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White-spotting coat colour phenotypes in cattle are either fixed characteristics of specific cattle breeds or occur sporadically owing to germline genetic variation of solid-coloured parents. A Brown Swiss cow showing a piebald pattern resembling colour-sidedness was referred for genetic evaluation.
Fibroblast growth factor receptor-1 mediates internalization of pathogenic spotted fever rickettsiae into host endothelium.
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Rickettsial infections continue to cause serious morbidity and mortality in severe human cases around the world. Host cell adhesion and invasion is an essential requisite for intracellular growth, replication, and subsequent dissemination of pathogenic rickettsiae. Heparan sulfate proteoglycans
Expression of epidermal growth factor receptor in the preimplantation uterus and blastocyst of the western spotted skunk.
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The western spotted skunk is unique in that its blastocysts undergo a 180-220-day period of arrested development before implantation. We investigated the potential role of epidermal growth factor (EGF)-related growth factors in regulating uterine and embryonic development in this species by studying
alpha1-Fetoprotein measurement in blood spotted on paper: discriminating test for hereditary tyrosinemia in neonatal mass screening.
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We describe an electroimmunodiffusion technique for measuring alpha1-fetoprotein in blood spotted on chromatography paper. The system is being used as a complementary test in a neonatal mass-screening program for detection of inborn metabolic diseases in the Province of Quebec. In a series of 102
Isolation and identification of novel protein kinase genes from the round-spotted pufferfish (Tetraodon fluviatilis) genomic DNA.
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The round-spotted pufferfish Tetraodon fluviatilis has a genome size of 380 Mb which is slightly smaller than that of another pufferfish, Fugu rubripes rubripes (Fugu). Due to their compact genome and small introns, both pufferfishes have been proposed as model organisms for genome studies. In this
Temporal and spatial organization of tyrosine hydroxylase-immunoreactive cell groups in the embryonic brain of an elasmobranch, the lesser-spotted dogfish Scyliorhinus canicula.
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We have studied the development of catecholaminergic (CA) neuronal groups in the brain of the dogfish Scyliorhinus canicula using immunohistochemistry to tyrosine hydroxylase (TH). The earliest TH-immunoreactive (THir) cells were detected in the primordia of the posterior tubercle and
Alterations in plasma copper, zinc, amino acids, and seromucoid during Rocky Moutain spotted fever in guinea pigs.
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Guinea pigs inoculated with virulent Rickettsia rickettsii responded with a significant increase in plasma copper concentration within 1 day, preceding fever and detectable rickettsemia by 2 and 4 days, respectively. A decrease in serum zinc concentration coinciding with peak rickettsemia was
Molecular cloning and mRNA profile of insulin-like growth factor type 1 receptor in orange-spotted grouper, Epinephelus coioides.
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The insulin-like growth factor type 1 receptor (IGF-IR) belongs to the tyrosine kinase (TK) receptor family. Besides being mitogenic, IGF-IR plays a crucial role in cell survival, transformation and maintenance of the malignant phenotype. In this study, we cloned the cDNA from the hypothalamus of
Mutational analysis of two highly conserved motifs in the silencing suppressor encoded by tomato spotted wilt virus (genus Tospovirus, family Bunyaviridae).
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Tospoviruses cause serious economic losses to a wide range of field and horticultural crops on a global scale. The NSs gene encoded by tospoviruses acts as a suppressor of host plant defense. We identified amino acid motifs that are conserved in all of the NSs proteins of tospoviruses for which the
Survival of neurons and interstitial cells of Cajal after autotransplantation of myenteric ganglia from small intestine in the lethal spotted mouse.
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To avoid mutilating surgery in the treatment of distal aganglionosis, transplantation of autologous nervous elements to the affected intestine would be an attractive option. This treatment modality has emerged as a possible alternative for different brain disorders, mostly using fetal nervous
14-3-3 gene family in spotted sea bass (Lateolabrax maculatus): Genome-wide identification, phylogenetic analysis and expression profiles after salinity stress.
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The tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation (14-3-3) proteins are a group of highly conserved homologous and heterologous proteins involved in a wild range of physiological processes, including the regulation of many molecular phenomena under different environmental
Analysis of EphA4 in the lesser spotted catshark identifies a primitive gnathostome expression pattern and reveals co-option during evolution of shark-specific morphology.
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The Eph family is the largest known group of structurally related receptor tyrosine kinases (RTKs). Each Eph receptor has a specific Ephrin ligand, and these function to define spatial boundaries during development. Analyses of EphA4 in mouse, chick, frog and zebrafish embryos have implicated this
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