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Therapeutic effect of naringenin on ethanol-induced liver fibrosis in rats

100%
Jayaraman J., Namsivayam N., Manivannan K., Sundaresan U.
European Journal of Clinical and Experimental Medicine
|
2025
|
issue 3
626-632
EN
Introduction and aim. Liver fibrosis, a progressive disorder marked by the surplus buildup of extracellular matrix proteins, frequently results from long-term ethanol intake. Our aim of study is to investigate how naringenin’s antifibrotic properties impact ethanol induced liver fibrosis in rats. Material and methods. Rats were divided into four groups: groups 1 and 2 received carboxymethylcellulose (CMC) containing 0.5% glucose, while groups 3 and 4 received 20% ethanol (6 g/kg of body weight) over a 60-day period. In the last 30 days, naringenin (50 mg/kg) was administered each day to groups 2 and 4. Results. Rats treated with ethanol exhibited liver damage and fibrosis, leading to elevated serum concentrations of aspartate and alanine transaminases. Expression levels of matrix metalloproteinases (MMPs), tissue inhibitors of metalloproteinases (TIMPs), alpha-smooth muscle actin (α-SMA) and related proteins were compared with the control group. Conclusion. Ethanol-fed rats showed an increase in serum matrix metalloproteinases, TIMPs, α-SMA, transaminases, and other proteins compared to the control group. The administration of ethanol led to liver damage and fibrosis. During the final 30 days of the trial, the inclusion of naringenin in the diets of rats notably reduced the levels of α-SMA, MMP2, MMP9, TIMP1, along with serum levels of aspartate and alanine transaminase levels and significant differences were observed compared to control group.
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Identification of Brucella melitensis from camel’s blood by vitek2 and real time polymerase chain reaction

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Manivannan K., Ramasamy M., Sundaresan U., Moustafa S. M., Sherloumay, Mariyam S.
European Journal of Clinical and Experimental Medicine
|
2024
|
vol. 22
|
issue 1
94-101
EN
Introduction and aim. Brucellosis is a zoonotic disease. Experimental clinical and laboratory diagnosis is still facing problems in identifying the organism. The present study will diagnose a Brucella infection in camel blood in Qatar using serological assays. Isolation and identification were performed on a camel blood sample. Brucella in bacterial isolates was determined by real-time polymerase chain reaction (RT-PCR) as a gold standard test. Material and methods. A total of 220 samples, 200 random serum samples, and 20 EDTA blood samples were selected among the above-mentioned random samples, and 20 serum samples from camel handlers were collected from Al Shahaniya province, Qatar. The Rose Bengal test (RBT), buffered antigen plate agglutination test (BAPAT), and enzyme linked immunosorbent assay (cELISA) for the monoclonal antibody in serum samples were performed using commercially available kits. For the molecular detection of Brucella, conventional PCR and real-time PCR (GPS kit) were used for the genus-specific insertion sequence IS711. Brucella melitensis (MICROBOSS Hightech GmbH kit) was used to identify subspecies. Results. The results identified by vitek2 compact (30%) showed B. melitensis in 6 samples out of 20 isolates. Both conventional (66.67%) and RT-PCR (83.33%) analyses supported this, demonstrating the presence of Brucella. These tests also showed that Brucella species were present in Rose Bengal 182/200 (91%), BAPAT 182/200 (91%), and cELISA (90%) 180/200 in camel serum. Conclusion. To conclude, the prevalence of brucellosis in dromedary camels is higher in this region, and as a matter of urgency, measures should be taken to control the disease.
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