Search results for "CD"
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Relationship between mothers' thoughts and behaviors and their daughters' development of the body image
2019
Behaviors related to body image are influenced by learning and sociocultural environment; the parents can contribute to their children’s food problems through social values that they are supporting. Furthermore, it is known that during the development of the body image of girls it is fundamental the identification with the parent of the same sex. However, the extent of maternal influence is unknown, so our aim is to analyze the relationship between thoughts and behaviors of mothers and the development of their daughters’ body image, specifically on the variables: perceived image and ideal image, satisfaction and concern about body image, and social network behaviors. The study involved 53 p…
Bone marrow-derived progenitors are greatly reduced in patients with severe COPD and low-BMI.
2009
Chronic obstructive pulmonary disease (COPD) patients have reduced circulating hemopoietic progenitors. We hypothesized that severity of COPD parallels the decrease in progenitors and that the reduction in body mass index (BMI) could be associated with more severe bone marrow dysfunction. We studied 39 patients with moderate to very severe COPD (18 with low-BMI and 21 with normal-BMI) and 12 controls. Disease severity was associated to a greater reduction in circulating progenitors. Proangiogenetic and inflammatory markers correlated with disease severity parameters. Compared to normal-BMI patients, low-BMI patients showed: greater reduction in circulating progenitors; higher VEGF-A, VEGF-C…
Psihoemocionālā stāvokļa izvērtējums sievietēm vēlīnā pēcdzemdību periodā ambulatorā praksē
2017
Bakalaura darba tēma ir “Psihoemocionālā stāvokļa izvērtējums sievietēm vēlīnā pēcdzemdību periodā ambulatorā praksē”. Pētījuma mērķis ir noskaidrot psihoemocionālā stāvokļa izvērtējumu sievietēm vēlīnā pēcdzemdību periodā ambulatorā praksē. Pētījuma uzdevumi ir izpētīt un analizēt zinātnisko literatūru par sieviešu psihoemocionāla stāvokļa izvērtēšanu vēlīna pēcdzemdību periodā ambulatorā praksē, raksturot K.Rojas (Callista Roy) piemērošanas teoriju un saistīt to ar pētījuma tēmu, izstrādāt pētījuma darba instrumentu, veikt pilotpētījumu un respondentu intervēšanu, apstrādāt un analizēt iegūtos datus, noformulēt secinājumus un priekšlikumus. Pētījuma jautājums - kā izvērtē psihoemocionālo …
Piparmētru (Mentha piperita) lapu drogu kvalitātes izvērtēšana pēc šūnu fizioloģiskā vecuma, izmantojot konfokālo lāzerskenējošo mikroskopiju.
2022
Kirils Filipovs 2020. Piparmētru (Mentha piperita) lapu drogu kvalitātes izvērtēšana pēc šūnu fizioloģiskā vecuma, izmantojot konfokālo lāzerskenējošo mikroskopiju. Maģistra darbs: 41 lpp., 15 att., 1 shēmā. Darba zinātniskais vadītājs: Doc. Dr. biol. Tūrs Selga Atslēgas vārdi: anabioze, apoptoze, programmēta šūnu nāve, AL-PCD, drogas, Piparmētra (Mentha piperita). Metode: Vitalitātes noteikšana caur kvantitatīvu hloroplastu fluorescences intensitātes noteikšanu augu lapās. Kodolu morfoloģisko izmaiņu noteikšana dehidrēšanas rezultātā. Mērķis: Izveidot metodi lapu drogu kvalitātes noteikšanai saistībā ar lapu šūnu fizioloģisko vecumu, nosakot šūnu morfoloģiskās pazīmes pēc rehidratācijas, i…
Study of the aminopeptidase N gene family in the lepidopterans Ostrinia nubilalis (Hübner) and Bombyx mori (L.): Sequences, mapping and expression
2010
Aminopeptidases N (APNs) are a class of ectoenzymes present in lepidopteran larvae midguts, involved in the Bacillus thuringiensis (Bt) toxins mode of action. In the present work, seven aminopeptidases have been cloned from the midgut of Ostrinia nubilalis, the major Lepidopteran corn pest in the temperate climates. Six sequences were identified as APNs because of the presence of the HEXXH(X)18E and GAMEN motifs, as well as the signal peptide and the GPI-anchor sequences. The remaining sequence did not contain the two cellular targeting signals, indicating it belonged to the puromycin-sensitive aminopeptidase (PSA) family. An in silico analysis allowed us to find orthologous sequences in Bo…
Development of the wing discs of Zophobas atratus under natural and experimental conditions: occurrence of a gradual larval-pupal commitment in the e…
1999
Using light and electron microscopy, we studied the development of the wing discs in the large beetle Zophobas atratus, under natural and experimental conditions. A reversible differentiation of the wing discs is usually observed during supernumerary instars of crowded larvae. Juvenile hormone analog (JHA) application during the wandering period or compelled experimental crowding during the larval-pupal switchover – or commitment – inhibits the onset of metamorphosis. Isolation, followed by recrowding, also induces the disc cells to secrete unusual cuticular material. Recrowding is able to trigger the reversal of metamorphosis during the 4-day period when larval-pupal commitment is taking p…
Developmental profiles of epidermal mRNAs during the pupal-adult molt of Tenebrio molitor and isolation of a cDNA clone encoding an adult cuticular p…
1992
0012-1606 (Print) Journal Article; Changes in translatable mRNAs from the wing epidermis of the Coleoptera Tenebrio molitor have been investigated during metamorphosis by analysis of in vitro translated products. Striking differences between the patterns obtained from mRNAs extracted during pupal and adult cuticle secretion indicated that a drastic change in gene expression occurs during the pupal-adult transition. In addition to these stage-specific modifications, the mRNA patterns changed within each cuticular synthesis program (pupal or adult), especially at ecdysis. After tritiated leucine incorporation, some of the major radiolabeled cuticular proteins showed similar changes suggesting…
Biomineralizations: insights and prospects from crustaceans.
2011
19 pages; International audience; For growing, crustaceans have to molt cyclically because of the presence of a rigid exoskeleton. Most of the crustaceans harden their cuticle not only by sclerotization, like all the arthropods, but also by calcification. All the physiology of crustaceans, including the calcification process, is then linked to molting cycles. This means for these animals to find regularly a source of calcium ions quickly available just after ecdysis. The sources of calcium used are diverse, ranging from the environment where the animals live to endogenous calcium deposits cyclically elaborated by some of them. As a result, crustaceans are submitted to an important and energ…
Nucleotide sequence of an adult-specific cuticular protein gene from the beetle Tenebrio molitor: effects of 20-hydroxyecdysone on mRNA accumulation.
1993
0962-1075 (Print) Journal Article Research Support, Non-U.S. Gov't; The accumulation of transcripts from two adult-specific cuticular genes (ACP-20 and ACP-22) is shown to be modified after addition of exogenous 20-hydroxyecdysone. In the continuous presence of high levels of the hormone, the expression of ACP-20 gene is significantly weaker than that of untreated controls, while ACP-22 expression is 2.5-fold increased. During active synthesis of the ACP messages, a 0.5 microg 20-hydroxyecdysone injection causes a rapid 2-fold increase in ACP-22 mRNA and is not able to repress ACP-20 mRNA accumulation. We conclude that these genes whose transcripts appear in an almost coordinated manner in …