body temperature regulation mechanism
Báo cáo khoa học: Inhibition kinetics of catabolic dehydrogenases by elevated moieties of ATP and ADP – implication for a new regulation mechanism in Lactococcus lactis potx
... example We would therefore like to propose the negative co-operative regulation of ADH by the ATPADP moiety as a new regulation mechanism in L lactis, and it remains to be seen whether it is more ... instance because of a lack of high RNA turnover In such a case, completely different mechanisms of enzyme regulation may emerge, not normally operating in (rapidly) growing cells The inhibition ... lactis induced by low temperature Appl Environ Microbiol 66, 36863691 Wang CS & Alaupovic P (1980) Glyceraldehyde-3-phosphate dehydrogenase from human erythrocyte membranes Kinetic mechanism and competitive...
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Báo cáo y học: "Spontaneous internal desynchronization of locomotor activity and body temperature rhythms from plasma melatonin rhythm in rats exposed to constant dim light" docx
... locomotor activity and body temperature are under circadian control, and, although the level of activity may influence the body temperature, the circadian rhythm of body temperature is not a mere ... the circadian rhythms of locomotor activity and body temperature has been investigated in few studies In humans, it has been reported that the body temperature rhythm is phase-advanced with respect ... were arrhythmic further suggests that the regulation of melatonin rhythmicity is independent from the regulation of the running wheel activity and body temperature rhythms These results confirm...
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Báo cáo khoa học: "Wet Belly in Reindeer (Rangifer tarandus tarandus) in Relation to Body Condition, Body Temperature and Blood Constituents" pdf
... and lost during the experiment, see Table 2) Body temperature The initial body temperature in Exp was 39.6°C, on average There was a decline in body temperature in all groups when the feed ration ... had the same body temperatures as healthy reindeer at the end of the experiment In Exp there was a general decline in body temperature during the experiment in both groups, with temperatures ... with temperatures above °C during some days On day the temperature dropped Particularly cold nights, and minimum temperatures below -27 °C, occurred on days 13, 20 and 21 In Exp the mean temperature...
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Báo cáo thú y: "A study on the applicability of implantable microchip transponders for body temperature measurements in pigs." pptx
... recording of body temperature on a group level In its present form, however, it is not suitable as a monitoring system of body temperature in individually sick pigs, where an exact body temperature ... monitor body temperature in research swine Contemp Top in Lab Anim Sci 1997, 36:62 Hartinger J, Külbs D, Volkers P, Cussler K: Suitability of temperaturesensitive transponders to measure body temperature ... different methods for measuring body temperature, i.e whether the subcutaneous tissue temperature measured by transponder technology could be used as a correlate for the rectal temperature obtained by...
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synthesis, growth mechanism and room-temperature blue luminescence emission of uniform wo3 nanosheets with w as starting material
... for the room -temperature blue emissions from the resultant WO3 nanosheets The blue emissions were attributed to arise from the band–band indirect transition of WO3 And a new growth mechanism for ... temperature, yellow product was obtained The phase of the product was identified by X-ray powder diffraction (XRD), using Cu Ka (l=0.15406 nm) radiation in a 2y range from 101 to 801 at room temperature ... a fluorescence spectrophotometer with a Xe lamp as the excitation source at room temperature 50 100 150 200 250 Temperature (°C) 300 350 400 Fig (a) XRD patterns and (b) TGA curves of the precursor...
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Báo cáo khoa học: Structure, signaling mechanism and regulation of the natriuretic peptide receptor guanylate cyclase pptx
... Hurley JH (1999) Structure, mechanism, and regulation of mammalian adenylyl cyclase J Biol Chem 274, 7599– 7602 87 Liu Y, Ruoho AE, Rao VD & Hurley JH (1997) Catalytic mechanism of the adenylyl ... luminal side of the collecting duct, where the final and rate-limiting regulation of sodium reabsorption occurs The ANP–NPRA regulatory mechanism may then be governed by the change in the chloride concentration ... in the literature are consistent with and strongly suggest the proposed mechanism operating in the kidney This control mechanism may account for the renal insensitivity to ANP that has long been...
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Báo cáo khoa học: The interaction of the Escherichia coli protein SlyD with nickel ions illuminates the mechanism of regulation of its peptidyl-prolyl isomerase activity ppt
... (Protein Data Bank ID: 1FKF) and SlyD (460 20 and 490 80 A, respectively) Notably, the exact mechanism of the PPIase catalytic process uncertain, as is the role of the conserved hydrophobic ... regulatory control over the different functions of SlyD, but the molecular basis of this attractive mechanism remains uncertain Because the PPIase activity of the truncated SlyD1146 was unaffected ... effect would be sensed by the PPIase domain To achieve a deeper understanding of this regulatory mechanism, the interaction between SlyD and nickel ions was investigated using an array of biophysical...
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human physiology - the mechanisms of body function 8th ed - vander
... increases the risk of many diseases Regulation of Body Temperature I Core body temperature shows a circadian rhythm, being highest during the day and lowest at night II The body exchanges heat with the ... 3-13 3-14 3-16 Human Human Human Human Human Human Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Size Components Components Components ... production is essential for temperature regulation at environmental temperatures below the thermoneutral zone, and sweating is essential at temperatures above this zone V Temperature acclimatization...
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Báo cáo hóa học: " “Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression” pptx
... controls the fate of mRNA molecules and stands for an important cellular regulatory mechanism Post-transcriptional regulation of mRNA by the microRNA (miRNA) system is thereby highly conserved among ... remodeling and matrix deposition, i.e exclusive up -regulation of miRNA-21 by fibroblasts was shown to be involved in myocardial fibrosis [14] The up -regulation of miRNA-21 was suggested to be stress ... were incubated for hour with the antibody against SERPINE1 Positive control for SERPINE1 was human placenta tissue and an isotype control monoclonal antibody (1:100 dilution, negative control...
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Báo cáo sinh học: "Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression" pptx
... Hussein K, Jacobi C, Kreipe H, Bock O: Hypoxiainduced downregulation of microRNA-449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression ... Cite this article as: Muth et al.: Hypoxia-induced down -regulation of microRNA-449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression ... environments in remodelled tissues However, we believe that, based on the in vitro data shown, a subtle mechanism contributes to higher SERPINE1 (PAI-1) mRNA levels through down-regulated miRNA-449a/b...
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báo cáo hóa học:" Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression" pdf
... Hussein K, Jacobi C, Kreipe H, Bock O: Hypoxiainduced downregulation of microRNA-449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression ... Cite this article as: Muth et al.: Hypoxia-induced down -regulation of microRNA-449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression ... environments in remodelled tissues However, we believe that, based on the in vitro data shown, a subtle mechanism contributes to higher SERPINE1 (PAI-1) mRNA levels through down-regulated miRNA-449a/b...
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Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc
... Communications and Networking Patient Patient Body sensor Body sensor Patient Body sensor Care unit BAN coordinator Patient Patient d < 8m Body sensor Body sensor Figure 1: A star-based BSN in a ... sensors (see Figure 1) Communication from body sensors to BAN coordinator (uplink), from BAN coordinator to body sensors (downlink), or even from body sensor to body sensor (ad hoc) is possible In ... wireless BSNs is the BodyMAC [13], which uses flexible and efficient bandwidth allocation schemes and sleep mode to meet the dynamic requirements of BSNs In [13], the authors compared BodyMAC with 802.15.4...
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Báo cáo sinh học: "A quantitative analysis of the mechanism that controls body size in Manduca sexta" docx
... insulin-like peptides Temperature also has an effect on body size, and higher temperatures generally result in the development of animals of smaller body size The mechanism by which temperature produces ... an endocrine-based physiological mechanism that describes the regulation of body size In the two sections that follow we outline the critical features of that mechanism, which we then use to formulate ... accurately for the B strain Body size and development time The equations for the determination of body size are timedependent and therefore they also embody the relationship between body size and development...
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Báo cáo y học: "γ A novel mechanism for the regulation of IFN-γ inducible protein-10 expression in rheumatoid arthritis" ppsx
... antihuman IP-10 (1 µg/ml) served as the primary antibody, and biotinylated polyclonal goat anti-IP-10 (0.1 µg/ml) served as the secondary antibody The sensitivity limit for the IP-10 enzyme-linked ... of integrin–ICAM-1 ligand interactions in the upregulation of IP-10 secretion by cocultures R78 In order to gain a better understanding of the mechanism whereby the interaction between leukocytes ... production (Fig 6) This implies that upregulation of IP-10 production by cell–cell contact was, in large part, promoted through a β2-integrin/ICAM-1-mediated mechanism, although it remains to be...
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Báo cáo y học: "Emerging mechanisms of immune regulation: the extended B7 family and regulatory T cell" pdf
... are clear, a variety of endogenous versus exogenous mechanisms have been proposed Whereas we have focused on understanding the cell-endogenous mechanisms of inhibition [2], others have suggested ... [12] The most consistent findings from studies involving antibody blockade and gene-deficient mice were a decrease in T-dependent antibody isotypes (such as IgG1) and no significant differences ... naturally occurring human IgM antibody was found to crosslink PD-L2 and to increase antigen presentation and IL-12 production by DCs [56] After treatment with this antibody either in vitro or in vivo,...
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Báo cáo y học: "Differential expression, function and response to inflammatory stimuli of 11β-hydroxysteroid dehydrogenase type 1 in human fibroblasts: a mechanism for tissue-specific regulation of inflammation" pps
... is another important component of stromal cell function by providing an autocrine mechanism for the localized regulation of inflammation Stromal cell 11β-HSD1 may also play a key role in responses ... Antiinflammatory action of glucocorticoids – new mechanisms for old drugs N Engl J Med 2005, 353:1711-1723 Morand EF, Leech M: Hypothalamic-pituitary-adrenal axis regulation of inflammation in rheumatoid ... was investigated by determining whether increased 11β-HSD1 activity was able to mediate autocrine regulation of the cytokine IL-6 in each of the different fibroblast types (Figure 2) Cortisol suppressed...
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Báo cáo khoa hoc:"Effect of the slow (K) or rapid (k +) feathering gene on body and feather growth and fatness according to ambient temperature in a Leghorn × brown egg type cross" ppsx
... another mechanism 3.1.2 Growth rate of males in individual cages The performances of cockerels kept (Tab II) at high (31 ◦ C) or moderate (21 ◦ C) temperature showed that body weight and body weight ... growth performances at two temperatures 667 Table III Males in individual cages: Body measurements at 10 weeks of age according to genotype and temperature Mean values Temperature Variable Genotype ... according to age RESULTS AND DISCUSSION 3.1 Body growth rate 3.1.1 Females in floor pen Analysis of variance and means (Tab I) for body weight and body weight gains in females reared at 31 ◦ C...
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Báo cáo sinh học: " Body size and developmental temperature in Drosophila simulans: comparison of reaction norms with sympatric " docx
... presumably being linked to temperature Laboratory experiments keeping strains at different temperatures for many generations have demonstrated genetic size variations ones at low over temperatures time, ... correlation between body size and adult fitness components, together with the existence of additive genetic variance for body size, does not necessarily lead to the conclusion that body size is the ... species, a maximum seems to exist at a low temperature A steep decrease from this maximum is observed when temperature increases, and a shorter one when temperature decreases In both species, significant...
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Human Physiology: The Mechanism of Body Function - part 1 pdf
... increases the risk of many diseases Regulation of Body Temperature I Core body temperature shows a circadian rhythm, being highest during the day and lowest at night II The body exchanges heat with the ... 3-13 3-14 3-16 Human Human Human Human Human Human Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Body/ Anatomy/Cell Size Components Components Components ... production is essential for temperature regulation at environmental temperatures below the thermoneutral zone, and sweating is essential at temperatures above this zone V Temperature acclimatization...
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Human Physiology: The Mechanism of Body Function - part 2 pptx
... 1,048,576 cells If the development of the human body involved only cell division and growth without any Vander et al.: Human Physiology: The Mechanism of Body Function, Eighth Edition I Basic Cell ... individual carrying the mutant gene DNA Repair Mechanisms Cells possess a number of enzymatic mechanisms for repairing DNA that has been altered These repair mechanisms all depend on the damage occurring ... involves altering not only the mechanisms that regulate cell replication but also those that control the invasiveness of the cell and its ability to subvert the body s defense mechanisms (As will be...
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