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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 105 (1993), S. 311-314 
    ISSN: 1437-1596
    Keywords: D1S80 locus ; PCR ; Discontinuous PAGE ; Allele frequencies ; Hardy-Weinberg equilibrium ; D1S80-Locus ; PCR ; diskontinuierliche PAGE ; Allelfrequenzen ; Hardy-Weinberg-Gleichgewicht
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Der Polymorphismus des Locus D1S80 wurde in einer Bevölkerungsstichprobe von 203 unverwandten, in Madrid lebenden Personen unter-sucht. Die Untersuchung erfolgte mit Hilfe der PCR und nachfolgender, halbtrockener diskontinuierlicher Polyacrylamidgel-Elektrophorese (Tris-chlorid/Tris-glycin-Puffersystem) mit nachfolgender Silberfärbung. Das beschriebene elektrophoretische System dieser Untersuchung bietet eine hohe Auflösung in der Auftrennung der verschiedenen D1S80-Allele und erlaubt den Nachweis einer Mikrovariabilität um das Allel T22 in der spanischen Bevölkerung, welche zwischen 17 und 40 Wiederholungseinheiten der zugrunde liegenden 16 Bp-Einheit enthalten. Die Allele T18 and T24 wurden als relativ häufig in Spanien gefunden, wie auch in anderen Populationen, mit Frequenzen von 0,224 bzw. 0,372. Es fand sich kein Beweis für signifikante Abweichungen vom Hardy-Weinberg-Gleichgewicht in dieser vorläufigen Populationsstudie.
    Notes: Summary The polymorphism of the D1S80 locus has been analyzed in a population sample of 203 unrelated individuals living in Madrid (central Spain) by PCR and subsequent semi-dry discontinuous polyacrylamide gel electrophoresis (Tris-chloride/Tris-glycine buffer system) followed by silver staining, The electrophoretic system described in this study offers high resolution in the separation of the different D1S80 alleles allowing the detection of microvariability around the allele T22 in the spanish population. Twenty different alleles containing 17–40 repeats of the basic 16bp unit were distinguished. The alleles T18 and T24 were found to be relatively common in Spain, as in other populations:, with frequencies of 0.224 and 0.372, respectively. No evidence of significant deviations from Hardy-Weinberg equilibrium was found in these preliminary population data.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 111 (1998), S. 162-164 
    ISSN: 1437-1596
    Keywords: Key words Basque Country ; Population database ; PCR ; Hardy-Weinberg equilibrium ; Linkage ; equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Blood samples from 202–208 unrelated Basque Country autochthonous individuals were amplified, typed and their allele frequencies were determined. Results demonstrate the assumption of independence within and between the loci analyzed. Therefore, a Basque population database can be used in identity testing to estimate the frequency of a multiple PCR-based locus DNA profile.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0878
    Keywords: Serotonin (5HT) ; Platyfish ; Immunochemistry ; Brain ; Pituitary
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Immunoreactive serotonin (ir-5HT) containing cells were localized in the brain and pituitary gland of the platyfish by use of immunoperoxidase procedures. In the brain, ir-neurons were found lining the wall of the third ventricle and in its lateral and posterior recesses. More caudally, ir-perikarya were found in the valvular portion of the cerebellum and in the raphe region. Ir-5HT was also localized within the pineal gland in fish that had been sacrificed before 1:00 p.m. Within the pituitary gland, ir-5HT was localized in periodic acid Schiff-positive cells of the pars intermedia of all fish while, in only a few animals, less intense immunoreactivity was also present in gonadotrops of the caudal pars distalis.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0878
    Keywords: Brain ; Pituitary ; Gonad ; Androgens ; Platyfish, Xiphophorus maculatus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary This report demonstrates that the administration of testosterone (T) or 11-ketotestosterone (11-KT) to sexually immature (8 wks old) male platyfish (Xiphophorus maculatus) of early-and late-maturing genotypes affects the synthesis and/or release of luteinizing hormone-releasing hormone (LHRH), as assessed by immunocytochemical evaluation, increases the number and activity of pituitary gonadotropes, stimulates the production of sperm and, thus, advances the age of sexual maturation over that dictated by the genome. We also show that 11-KT and T affect different LHRH-containing centers in the brain and have differential effects on rate and degree of sexual maturation, regardless of whether the hormones are administered to early or late-maturing genotypes.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0878
    Keywords: Neuropeptide Y ; Dynorphin ; Brain ; Pituitary ; Sexual maturation ; Xiphophorus maculatus (Teleostei)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Immunoreactive neuropeptide Y and dynorphin have been localized in the brain and pituitary gland of the platyfish, Xiphophorus maculatus, at different ages and stages of development from birth to sexual maturity. Immunoreactive neuropeptide Y was found in perikarya and tracts of the nucleus olfactoretinalis, telencephalon, ventral tegmentum and in the neurohypophysis and in the three regions of the adenohypophysis. Immunoreactive dynorphin was found in nerve tracts in the olfactory bulb and in cells of the pars intermedia and the rostral pars distalis of the pituitary gland.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 112 (1999), S. 340-341 
    ISSN: 1437-1596
    Keywords: Key words PCR ; STR ; D8S1179 ; D16S539 ; D18S51 ; D21S11 ; Spain ; Hardy-Weinberg equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Population data were generated for four tetrameric short tandem repeat loci systems (D8S1179, D16S539, D18S51 and D21S11) for a Spanish Caucasian population sample (n = 218–219 individuals) using PCR. All loci were highly polymorphic, met Hardy-Weinberg expectations and the results demonstrated the assumption of independence of the loci analysed. The allele frequency data can be used in identity testing to estimate the frequency of a multiple PCR-based DNA profile in the Spanish population.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 112 (1998), S. 70-71 
    ISSN: 1437-1596
    Keywords: Key words PCR ; STR ; HUMLPL ; D5S818 ; D7S820 ; D13S317 ; Population database ; Spain ; Hardy-Weinberg equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract Allele and genotype frequencies for four tetrameric short tandem repeat loci were determined in a Spanish population sample (N = 193-225) using PCR. All loci met Hardy-Weinberg expectations and the results demonstrated the assumption of independence of the loci analysed. The allele frequency data can be used in identity testing to estimate the frequency of a multiple PCR-based DNA profile in the Spanish population.
    Type of Medium: Electronic Resource
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