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89 results for “Prolactin”
Figure. PCA analysis based on GH-MspI, GH-AluI, PRL, and DGAT1 loci in Turkish native cattle breeds (Turkish Grey - TG, East Anatolian Red - EAR, Anatolian Black - AB, and South Anatolian Red - SAR). in Growth hormone (GH), prolactin (PRL), and diacylglycerol acyltransferase (DGAT1) gene polymorphisms in Turkish native cattle breeds
Figure. PCA analysis based on GH-MspI, GH-AluI, PRL, and DGAT1 loci in Turkish native cattle breeds (Turkish Grey - TG, East Anatolian Red - EAR, Anatolian Black - AB, and South Anatolian Red - SAR).
Figure 2 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 2. Nucleotide and deduced aa sequences of rcPRLR. The predicted site of signal peptide cleavage is marked by a triangle. The conserved cysteine residues are circled. Three potential N-glycosylation sites are underlined by dotted lines. The WS motif is boxed and TMD is underlined with a solid line. Within the ICD, boxes 1 and 2 are underlined with a double line and a wavy line, respectively. The stop codon is marked by an asterisk.
Figure 7 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 7. Expression analysis of rcPRLR by qRT-PCR in liver (A), skin (B), tail (C), and kidneys (D) of different stages. The data for rcPRLR mRNA levels were normalized by those for rpl8 mRNA levels and expressed relative to the value for stage 43 tissue, respectively. The experiments were repeated 3 times using 3 independent biological samples. Each bar represents mean ± SD. Those with different letters were regarded as statistically significant at the 5% level (Duncan test).
Figure 6 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 6. Detection of rcPRL and rcPRLR in tadpoles by RT-PCR. (A) and (B): Upper panel, RT-PCR using rcPRL and rcPRLR gene-specific primers, respectively; lower panel, control RT-PCR using rpl8 gene-specific primers.
Figure 1 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 1. Nucleotide and deduced aa sequences of rcPRL. The predicted site of signal peptide cleavage is marked by a triangle. The conserved cysteine residues are circled and the potential phosphorylation site is boxed, while the four α-helical domains are boxed in shaded rectangles. The stop codon is marked by an asterisk.
Figure 5 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 5. Construction of neighbor-joining tree based on aa sequences of PRL (A) and PRLR (B). The sequences used above are: Rana catesbeiana (CAA34199.1, BAD14941.1), Xenopus laevis (AAH75216.1, AAI70439.1), Chelonia mydas (XP_007059983.1, EMP31801.1), Anser anser (ADG03649.1, ABW74516.1), Sus scrofa (NP_999091.1, ABA41035.1), Mus musculus (P06879.1, CAA51789.1), Homo sapiens (NP_001157030.1, NP_000940.1), Oncorhynchus mykiss (NP_001118205.1, NP_001118071.1), Danio rerio (AAH92358.1, AAI63012.1), Bufo japonicus (BAF75354.1), and Cynops pyrrhogaster (BAB61107.1). Bootstrap percentage values are indicated for each node.
Figure 4 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 4. Alignment of aa sequences of various PRLRs. Conserved cysteines are circled; 3 potential N-glycosylation sites (His 212; WS motif, Box 1; and DSGRGS motif) are marked by boxes; Trp165 and Tyr609 are marked by triangles. Dots (·) represent spaces inserted to maximize similarity, and small letters represent the conserved amino acids in that position.
Figure 3 in Characteristic analysis of prolactin and its receptor genes from Rana chensinensis and expression pattern during metamorphosis
Figure 3. Alignment of aa sequences of various PRLs. Conserved cysteines are boxed, while motifs 1 and 2 are marked by arrows.
Prolactin and Lutenizing hormone levels during diestrus and proestrus in mice
<p>Prolactin secretion patterns are species-specific, variable and influenced by multiple factors including circadian and hormonal cues, stress, physiological state and reproductive strategy. In nonpregnant females, circulating prolactin levels are low; however, during the afternoon of proestrus an estradiol-induced prolactin surge coinciding with the preovulatory LH surge has been recorded in many (but not all) species. In mice, there have been conflicting reports relating to the occurrence and timing of this surge. To gain insight into the characteristics of circulating prolactin levels during proestrus we have used repeated tail tip blood sampling in C57BL/6J and Swiss Webster mice to profile prolactin secretion in individual mice. For this study we have measured prolactin levels during diestrus and proestrus using an ultra-sensitive prolactin ELISA. To establish the relationship between circulating prolactin levels and the timing of the LH surge we have simultaneously measured LH levels in the same samples via ELISA. In mice circulating prolactin levels in proestrus do not follow a classical surge pattern but show prolonged elevation which is not tightly linked to the light/dark cycle.</p>
Data from: Discovery of prolactin-like in lamprey: Role in osmoregulation and new insight into the evolution of the growth hormone/prolactin family
<p class="MsoNormal"><span>These data were generated to characterize prolactin-like (PRL-L) and growth hormone (GH) in sea lamprey (<em>Petromyzon marinus</em>) in hormone-receptor binding, tissue distribution, and gene expression patterns at various lifecycle stages, in metamorphosis, and in acclimations to hyperosmotic and hypoosmotic conditions, as well as to detect the hormonal effects on their signaling systems and branchial osmoregulation-related ion transporters. For the hormone-receptor binding assay, recombinant PRL-L and GH were radioactively labelled with <sup>125</sup>iodine and applied for determination of binding affinities with recombinant sea lamprey GH receptor and PRL receptor expressed by HEK293 cell line. Relative abundance of each gene in the cDNA samples synthesized upon the RNAs of various tissues of sea lamprey was assessed using quantitative real-time PCR (qPCR). Semiquantification of immunoreactive staining in percent area of proximal pars distalis was conducted to compare the hormone levels in the pituitary gland of sea lamprey under hypoosmotic condition.</span></p>
Walker et al - Prolactin and the shared regulation of parental care and cooperative helping behaviour in white-browed sparrow weaver societies - Data Set
<p>This file provides the data set supporting the analyses presented in a Walker et al manuscript titled "Prolactin and the shared regulation of parental care and cooperative helping behaviour in white-browed sparrow weaver societies" at first submission for review.</p>
Androgen and prolactin manipulation do not induce changes in gene expression in the telencephalon in parental male bluegill (Lepomis macrochirus) during parental care
<p>Transcriptome of the prosencephalon of 11-KT, prolactin and placebo implanted fish.</p>
Recombinant Human Prolactin for Lactation Induction
ClinicalTrials.gov study NCT00181610. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Safety and Efficacy of Recombinant Human Prolactin
ClinicalTrials.gov study NCT00438490. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Recombinant Human Prolactin for Lactation Induction
ClinicalTrials.gov study NCT00181623. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Effects of parental experience and age on expression of prolactin, vasoactive intestinal peptide and their receptors in a biparental bird, Columba livia
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Data from: Discovery of prolactin-like in lamprey: Role in osmoregulation and new insight into the evolution of the growth hormone/prolactin family
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Prolactin and Lutenizing hormone levels during diestrus and proestrus in mice
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The effect of baculum shape and mating behaviour on mating-induced Prolactin release in female house mice
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Data from: Mercury exposure, stress and prolactin secretion in an Arctic seabird: an experimental study
Life-history theory predicts that long-lived organisms should reduce parental effort under inclement environmental conditions in order to favour long-term survival. Seabirds are long-lived top predators often exposed to environmental endocrine disrupting chemicals such as mercury (Hg). Hg-contaminated birds show disrupted parental behaviour. Avian parental behaviour is governed by two key hormones in birds: corticosterone (CORT, a glucocorticoid hormone) and prolactin (PRL, a pituitary hormone involved in parental care). Any disruption of these hormones may alter the ability of an individual to adjust parental behaviour to environmental conditions. The first aim of this study was to describe the relationships between blood Hg concentrations, plasma PRL and reproductive performance in Arctic black-legged kittiwakes (Rissa tridactyla). We a found negative relationship between plasma initial PRL and blood Hg concentrations in males. Moreover, Hg concentration was negatively related to breeding success in chick-rearing males. Secondly, to study the effect of a chronic increase in CORT levels on the Hg–PRL relationship, we experimentally increased stress with CORT pellet implantation. We predicted that Hg and CORT would act synergistically on PRL and an increase in CORT concentration would steepen the Hg–PRL relationship. However, adding CORT did not steepen the Hg–PRL relationship. Hatching success was significantly lower in CORT-implanted males than in controls, and breeding success was not reduced in CORT-implanted male kittiwakes with high levels of blood Hg. Our results suggest that Hg may impair reproductive performance through a disruption of PRL secretion. Contrary to our prediction, Hg and CORT did not act synergistically and the underlying mechanisms associating CORT and Hg with PRL might be more complex than a single interaction between two factors.
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