scholarly journals Over, and Underexpression of Endothelin 1 and TGF-Beta Family Ligands and Receptors in Lung Tissue of Broilers with Pulmonary Hypertension

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Norma Dominguez-Avila ◽  
Gabriel Ruiz-Castañeda ◽  
Javier González-Ramírez ◽  
Nora Fernandez-Jaramillo ◽  
Jorge Escoto ◽  
...  

Transforming growth factor beta (TGFβ) is a family of genes that play a key role in mediating tissue remodeling in various forms of acute and chronic lung disease. In order to assess their role on pulmonary hypertension in broilers, we determined mRNA expression of genes of the TGFβfamily and endothelin 1 in lung samples from 4-week-old chickens raised either under normal or cold temperature conditions. Both in control and cold-treated groups of broilers, endothelin 1 mRNA expression levels in lungs from ascitic chickens were higher than levels from healthy birds (), whereas levels in animals with cardiac failure were intermediate. Conversely, TGFβ2 and TGFβ3 gene expression in lungs were higher in healthy animals than in ascitic animals in both groups (). TGFβ1, TβRI, and TβRII mRNA gene expression among healthy, ascitic, and chickens with cardiac failure showed no differences (). BAMBI mRNA gene expression was lowest in birds with ascites only in the control group as compared with the values from healthy birds ().

2006 ◽  
Vol 82 (6) ◽  
pp. 877-887 ◽  
Author(s):  
J. Sehm ◽  
H. Lindermayer ◽  
H. H. D. Meyer ◽  
M. W. Pfaffl

Flavan-3-ols are a class of flavonoids that are widely distributed in fruits and beverages including red wine and apples. Consumption of flavanoid-rich food has been shown to exhibit anti-microbial, anti-oxidative, anti-inflammatory, and immune-modulating effects. To test the nutritional effects of flavanols on mRNA gene-expression of inflammatory and apoptotic marker genes, piglets were given two flavanoids-rich feeding regimens: a low flavanoid standard diet (SD) was compared with diets enriched with 3·5% apple pomace (APD) or 3·5% red-wine pomace (RWPD). The influence on mRNA expression levels was investigated in different immunological active tissues and in the gastro-intestinal tract (GIT). The investigation took place from 1 week prior weaning to 19 days post weaning in 78 piglets. The expression of expressed marker genes was determinate by one-step quantitative real-time (qRT-PCR): TNFα, NFκB as pro-inflammatory; IL10, as anti-inflammatory; caspase 3 as apoptosis; cyclin D1 as cell cycle marker; and nucleosome component histon H3 as reference gene.The feeding regimens result in tissue individual regulation of mRNA gene expression in all investigated organs. It was discovered that there were significant differences between the applied diets and significant changes during feeding time curse. Both pomace treatments caused a significant up-regulation of all investigated genes in liver. The effect on mesenterial lymph nodes and spleen was not prominent. In the GIT, the treatment groups showed a inhibitory effects on gene expression mainly in stomach and jejunum (NFκB, cyclin D1 and caspase 3). In colon the trend of caspase 3 was positive with the greatest change in the RWPD group.In jejunum and stomach the cell cycle turn over was reduced, whereas in liver the cell turn over was highly accelerate. The influence on inflammatory marker gene expression is mainly relevant in stomach. It is presume that both flavanoid rich feeding regimens have the potential to modulate the mRNA expressions of inflammatory, proliferation and apoptotic marker genes in the GIT and piglet organs.


2020 ◽  
Vol 16 ◽  
Author(s):  
Hasta Handayani Idrus ◽  
Mochammad Hatta ◽  
Veny Hadju ◽  
Suryani As'ad ◽  
Vivien Novarina Kasim ◽  
...  

Background: Manila sapodilla fruit (Achras zapota L) has been widely known empirically in the community, namely fruit used for the treatment of typhoid fever by means of raw fruit in washing / cleaning then the fruit is shredded and the result of grated squeezed using fine leaves and the filter is drunk in patients with typhoid fever. High Motility Group Box 1 (HMGB1) is a protein that is expressed constitutively in almost all types of cells. Objective: To determine the effect of Manila Palm fruit extract (Achras Zapota L) on the expression of the High Motility Group Box 1 (HMGB1) gene in mice infected with Salmonella typhi. Methods: The method used for extracting sapodilla fruit is the maceration method and the tool used to see changes in HMGB1 mRNA gene expression is PCR with boom extraction method. Conclusion: Some sapodilla manila fruit extract dose 510 mg / KgBB (p = 0.016, p <0.05) (∆ mean = 1.90) and 750 mg / KgBB (p = 0.000, p <0.05) (∆ mean = 4.19), can decrease HMGB1 mRNA expression was observed at day 4, 10 to day 30 with no effect with levofloxacin 98 mg / KgBB (p = 0.000, p <0.05) (∆ mean = 5.97).


2008 ◽  
Vol 52 (No. 10) ◽  
pp. 437-444 ◽  
Author(s):  
S. Fleige ◽  
W. Preißnger ◽  
H.H.D. Meyer ◽  
M.W. Pfaffl

The study was conducted to elucidate the effects of orally administered lactulose in combination with <i>Enterococcus faecium</i> on immune response of the intestinal tract in pre-ruminant calves. The mRNA expression of pro- and anti-inflammatory cytokines and proliferation and apoptosis markers were investigated in jejunum, ileum, colon and caecum. Simmental calves were fed diets containing 1% (L1) or 3% (L3) lactulose and the probiotic strain of the genus <i>E. faecium</i>, and compared with a non treated control group. Primarily the high dose feeding with lactulose showed an effect on several mRNA gene expression parameters. In the jejunum a down-regulation of the anti-apoptotic marker Bcl-xl was determined and IL-10 mRNA gene expression was 2.6-fold up-regulated (<i>P</i> < 0.05). In the colon a 1.9-fold (<i>P</i> < 0.05) up-regulation of IL-10 and only in caecum an about 2-fold increase of TGF-β1 (<i>P</i> < 0.05) was found for both lactulose feedings. Caspase 3 was up-regulated in caecum only in the 3% lactulose treated group (<i>P</i> < 0.05). The enhanced apoptotic rate of caspase 3 seems to be associated with a decrease in crypth depth due to lactulose supplementation. The results indicated that mainly the high 3% lactulose dose in probiotic-fed calves has an affect on the intestinal immune function and on diverse apoptotic markers.


Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1844
Author(s):  
Marta Rybska ◽  
Magdalena Woźna-Wysocka ◽  
Barbara Wąsowska ◽  
Marek Skrzypski ◽  
Magdalena Kubiak ◽  
...  

Cystic endometrial hyperplasia (CEH) and pyometra are the most frequently diagnosed uterine diseases affecting bitches of different ages. Transforming growth factor beta (TGF-β) has been classified in females as a potential regulator of many endometrial changes during the estrous cycle or may be involved in pathological disorders. The aim of this study was to determine the expression of TGF-β1, -β2 and -β3 in the endometrium of bitches suffering from CEH or a CEH–pyometra complex compared to clinically healthy females (control group; CG). A significantly increased level of TGF-β1 mRNA expression was observed in the endometrium with CEH–pyometra compared to CEH and CG. Protein production of TGF-β1 was identified only in the endometrium of bitches with CEH–pyometra. An increase in TGF-β3 mRNA expression was observed in all the studied groups compared to CG. The expression of TGF-β2 mRNA was significantly higher in CEH and lower in CEH–pyometra uteri. The results indicate the presence of TGF-β cytokines in canine endometrial tissues affected by proliferative and degenerative changes. However, among all TGF-β isoforms, TGF-β1 could potentially be a key factor involved in the regulation of the endometrium in bitches with CEH–pyometra complex.


Author(s):  
Emma Kamelia ◽  
Andi Asadul Islam ◽  
Mochammad Hatta ◽  
Cahyono Kaelan ◽  
Ilhamjaya Patellongi

 Objective: The objective of this study is to analyze caspase-3 mRNA gene expression in a Wistar rat model of Alzheimer’s disease (AD) treated with Musa paradisiaca L. (MPL) ethanol extract or banana extract (BE)Methods: MPL was evaluated for its effect on the caspase-3 mRNA gene expression of rat amyloid beta (Aβ) induced, an AD model. Each model included twenty Wistar rats were randomized into five groups: K0, without AD induction and no BE; K1, AD induction and no BE; K2, AD induction+BE 250 mg/kg body weight (BW); K3, AD induction+BE 500 mg/kg; and K4, AD induction+BE 1000 mg/kg. AD induction was performed by Aβ1-42 (0.2 ug) injection at the intracerebroventricular area. mRNA caspase-3 level measurements were performed by real time-polymerase chain reaction.Results: Paired t-test analysis showed no significant differences of caspase-3 mRNA level before Aβ induction among five groups (p>0.05). At 6 weeks post-Aβ induction, there was significantly increased caspase-3 mRNA in all groups except K0 (p<0.05). Notably, after 3 weeks of BE administration, caspase-3 mRNA expression was significantly decreased in all BE-treated groups; in the K1 placebo group, caspase-3 mRNA expression increased. The maximum decreased caspase-3 mRNA expression was in group K4 (-BE 1000 mg/kg BW), and the minimum was in group K2 (-BE 250 mg/kg BW).Conclusion: The results revealed that the ethanolic extract of MPL fruit could decrease caspase-3 mRNA gene expression in AD rat.


2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S619-S620
Author(s):  
Eloho Ajayi ◽  
George S Deepe ◽  
William R Buesing

Abstract Background Endothelin-1 (ET-1) is increasingly recognized as an immune modulator; it exerts a pro-inflammatory effect by increasing the release of cytokines like interferon gamma. ET-1 is secreted by a variety of cells such as macrophages, neurons and endothelial cells. Activation of the endothelin system has been implicated in the pathogenesis of sepsis caused by bacteria, viruses and even parasites. However, there are no published studies that have explored the role of ET-1 in Histoplasma capsulatum infection. Studying the role of ET-1 in histoplasmosis is important because understanding its role in the host defense mechanism may serve as the foundation for future discovery of novel therapeutic options. Methods Bone marrow cells were isolated from mice and set up for tissue culture. Bone marrow derived macrophages (BMDM) were harvested after 5-7 days of incubation, and infected with varying ratios (0.5,1 and 5) of yeasts to macrophages. RNA was extracted from the BMDM after 3, 6, 24 and 48 hours of infection. For comparison, RNA was also extracted from uninfected BMDM at the same time points. Real-time PCR (polymerase chain reaction) was performed on complementary DNA. ET-1 (Edn1) messenger RNA (mRNA) gene expression was quantified relative to the expression of the house keeping /endogenous control gene that encodes for beta-2 microglobulin (B2m). Results In BMDM infected with H. capsulatum there was upregulation of Edn1 after 3, 6 and 24 hours of infection. During this same time points, the expression of ET-1 mRNA in the uninfected BMDM remained constant. Expression of Edn1 was highest in the BMDM infected with 5x H. capsulatum after 3 and 6 hours of infection. After 24 hours, the expression of ET-1 mRNA decreased markedly in all concentrations of H. capsulatum. At 48 hours post-infection the Edn1 was downregulated in the 0.5,1 and 5-fold quantities of H. capsulatum across all time the time intervals. Figure 1 Conclusion Results from this study indicate that H. capsulatum infection induced an upregulation of the Edn-1 in BMDM. This may correlate with an increase in levels of ET-1 production by the BMDM in the face of H. capsulatum infection. These results provide a platform in which to examine the influence of ET-1 on the host response to this fungus. Disclosures All Authors: No reported disclosures


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