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Sakat MS, Kılıç K, Sahin A, Ozmen HK, Yıldırım S, Kiziltunc A, Askin S, Saglam YS. The protective efficacy of Quercetin and Naringenin against radiation-related submandibular gland injury in female rats: A histopathological, immunohistochemical, and biochemical study. Arch Oral Biol 2022; 142:105510. [DOI: 10.1016/j.archoralbio.2022.105510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 11/02/2022]
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Yeni Y, Cakir Z, Hacimuftuoglu A, Taghizadehghalehjoughi A, Okkay U, Genc S, Yildirim S, Saglam YS, Calina D, Tsatsakis A, Docea AO. A Selective Histamine H4 Receptor Antagonist, JNJ7777120, Role on Glutamate Transporter Activity in Chronic Depression. J Pers Med 2022; 12:jpm12020246. [PMID: 35207733 PMCID: PMC8880293 DOI: 10.3390/jpm12020246] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/29/2022] [Accepted: 02/03/2022] [Indexed: 01/27/2023] Open
Abstract
Glutamate release and reuptake play a key role in the pathophysiology of depression. glutamatergic nerves in the hippocampus region are modulated by histaminergic afferents. Excessive accumulation of glutamate in the synaptic area causes degeneration of neuron cells. The H4 receptor is defined as the main immune system histamine receptor with a pro-inflammatory role. To understand the role of this receptor, the drug JNJ7777120 was used to reveal the chronic depression-glutamate relationship. We have important findings showing that the H4 antagonist increases the glutamate transporters’ instantaneous activity. In our experiment, it has been shown that blocking the H4 receptor leads to increased neuron cell viability and improvement in behavioral ability due to glutamate. Therefore, JNJ can be used to prevent neurotoxicity, inhibit membrane phospholipase activation and free radical formation, and minimize membrane disruption. In line with our findings, results have been obtained that indicate that JNJ will contribute to the effective prevention and treatment of depression.
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Affiliation(s)
- Yesim Yeni
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Zeynep Cakir
- Department of Emergency Medicine, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ahmet Hacimuftuoglu
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ali Taghizadehghalehjoughi
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ufuk Okkay
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Sidika Genc
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey; (S.Y.); (Y.S.S.)
| | - Yavuz Selim Saglam
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey; (S.Y.); (Y.S.S.)
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece
- Department of Analytical and Forensic Medical Toxicology, Sechenov University, 119991 Moscow, Russia
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania;
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Erol N, Saglam L, Saglam YS, Erol HS, Altun S, Aktas MS, Halici MB. The Protection Potential of Antioxidant Vitamins Against Acute Respiratory Distress Syndrome: a Rat Trial. Inflammation 2020; 42:1585-1594. [PMID: 31081527 DOI: 10.1007/s10753-019-01020-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Acute respiratory distress syndrome (ARDS) is a fatal disease that includes inflammation formed by septic and non-septic causes. Reactive oxygen radicals (ROS) play a key role in ARDS pathophysiology and constitute the base of damage process. Antioxidant vitamins are used for inhibiting hazardous effects of radicals. Therefore, effects of antioxidant vitamins such as α-lipoic acid (ALA), vitamin E (VITE), and C (VITC) were investigated on oleic acid (OA)-induced ARDS rat model. Furthermore, high and low dose of methylprednisolone (HDMP, LDMP) was used for comparing effects of the vitamins. In this study, 42 male rats were divided to seven groups named control, OA, ALA, VITE, VITC, LDMP, and HDMP. OA was intravenously administered to all groups except control group and other compounds were orally administered (ALA, VITE, and VITC: 100 mg/kg, LDMP: 5 mg/kg, HDMP: 50 mg/kg) after OA injections. OA increased MDA level in lung tissue and TNF-α and IL-1β cytokine levels in serum. ALA, VITE, VITC, and both dose of MP significantly decreased the cytokine levels. Although OA reduced SOD, CAT, and GSH levels in lung tissue, the vitamins and LDMP markedly enhanced the levels except for HDMP. Furthermore, OA showed thickening in bronchi and alveolar septum, hyperemia in vessels, and inflammatory cell infiltrations in lung tissue histopathological examinations. Antioxidant vitamins may be useful for premedication of ARDS and similar disorders. However, methylprednisolone was not found sufficient for being a therapeutic agent for ARDS.
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Affiliation(s)
- Nazli Erol
- Kastamonu State Hospital, Department of Chest Disease, 37200, Kastamonu, Turkey
| | - Leyla Saglam
- Faculty of Medicine, Department of Chest Disease, Ataturk University, 25100, Erzurum, Turkey
| | - Yavuz Selim Saglam
- Faculty of Veterinary Medicine, Department of Pathology, Ataturk University, 25100, Erzurum, Turkey
| | - Huseyin Serkan Erol
- Faculty of Veterinary Medicine, Department of Biochemistry, Kastamonu University, 37200, Kastamonu, Turkey.
| | - Serdar Altun
- Faculty of Veterinary Medicine, Department of Pathology, Ataturk University, 25100, Erzurum, Turkey
| | - Mustafa Sinan Aktas
- Faculty of Veterinary Medicine, Department of Internal Medicine, Ataturk University, 25100, Erzurum, Turkey
| | - Mesut Bunyami Halici
- Faculty of Veterinary Medicine, Department of Biochemistry, Ataturk University, 25100, Erzurum, Turkey
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Omur AD, Yildirim B, Saglam YS, Comakli S, Ozkaraca M. Activity of resveratrol on the influence of aflatoxin B1 on the testes of Sprague dawley rats. Pol J Vet Sci 2019; 22:313-320. [PMID: 31269336 DOI: 10.24425/pjvs.2019.129222] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Twenty eight male Sprague Dawley rats (aged 3 months) were used in the study. The animals were given feed and water as ad libitum. Sprague dawley rats were randomly divided into 4 groups as 7 rats in each group. Except for the control one, aflatoxin B1 (7.5 μg / 200 g), resveratrol (60 mg / kg) was administered to rats of 3 other groups. At the end of the 16th day, blood, semen and tissue specimens were taken by decapitation under ether anesthesia. When we evaluate the spermatological parameters, it is understood that resveratrol has a statistically significant difference in terms of sperm motility and viability (membrane integrity) compared to the control group and aflatoxin B1 administration groups, indicating a protective effect on spermatological parameters. In terms of pathological parameters - histopathological examination - in the control and resveratrol groups, seminiferous tubules were observed to be in normal structure. In the group treated with aflatoxin, the regular structure of the spermatogenic cells deteriorated and the seminiferous tubules became necrotic and degenerative. In the group treated with Afb1 + res, the decreasing of necrotic and degenerative changes were determined compared with in the group treated with aflatoxin. As immunohistochemical examination, cleaved caspase 3 expression was found to be very low in the control and resveratrol groups. Cleaved caspase 3 expression was severely exacerbated in seminiferous tubules in aflatoxin group but cleaved caspase 3 expression level decreased in Afb1 + res. In the biochemical direction, resveratrol has been shown to inhibit the adverse effects of aflatoxin on antioxidant levels and to show a protective effect. For this purpose, the use of resveratrol with antioxidant activity was investigated in preventing or ameliorating damage to aflatoxin B1. It has been concluded that resveratrol effectively prevent the aflatoxin-induced testicular damage and lipid peroxidation. It has also been shown that resveratrol has protective effects on sperm motility and viability.
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Affiliation(s)
- A D Omur
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey.,Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey.,Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - B Yildirim
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Y S Saglam
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - S Comakli
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - M Ozkaraca
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
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Geyikoglu F, Koc K, Erol HS, Colak S, Ayer H, Jama S, Eser G, Dortbudak MB, Saglam YS. The propolis and boric acid can be highly suitable, alone/or as a combinatory approach on ovary ischemia-reperfusion injury. Arch Gynecol Obstet 2019; 300:1405-1412. [PMID: 31549220 DOI: 10.1007/s00404-019-05303-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Accepted: 09/14/2019] [Indexed: 01/14/2023]
Abstract
PURPOSE Ovarian ischemia-reperfusion (IR) damage continues to be a serious infertility problem. The oxidative stress plays central role in the development of IR injuries. Activation of antioxidants decreases IR injuries; however, the efficacy of antioxidant agents remains controversial. Unfortunately, there has been no evidence for medicinal use of boric acid (BA) and propolis (Prop) on ovarian IR injury on rats so far. This study will provide to reveal the potential applications of the Prop and BA in ovarian IR therapy. METHODS The Sprague-Dawley rats were randomized into five groups: I-control, II-IR, 3 h of ischemia and 3 h of reperfusion, III and IV-a signal dose of oral BA (7 mg/kg) and Prop (100 mg/kg) alone 1 h before induction of IR, V-Prop and BA together 1 h before induction of IR. SOD (superoxide dismutase), CAT (catalase), GSH (glutathione), MPO (myeloperoxidase), MDA (malondialdehyde), and IL-6 (interleukin-6) levels were quantified by ELISA and the TNF-α (tumor necrosis factor-α), 8-OHdG (8-hydroxylo-2'-deoxyguanosin) and Caspase-3 expressions were performed by immunohistochemical analyses. RESULTS BA and Prop pretreatment significantly reduced MPO, MDA, and IL-6 levels and pathologic score in IR rats, with no effects in control group. These agents used in therapy also decreased TNF-α, 8-OHdG and Caspase-3 protein expressions increased by IR. Furthermore, BA and Prop combination showed significant ameliorative effects on ovary injury caused by IR through acting as an antioxidant, anti-inflammatory and antiapoptotic agent. CONCLUSION BA and Prop alone and especially in combination could be developed as therapeutic agents against ovary IR injury.
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Affiliation(s)
- Fatime Geyikoglu
- Department of Biology, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Kubra Koc
- Department of Biology, Faculty of Science, Ataturk University, Erzurum, Turkey.
| | - Huseyin Serkan Erol
- Department of Biochemistry, Faculty of Veterinary, Ataturk University, Erzurum, Turkey
| | - Suat Colak
- Department of Biology, Erzincan University, Uzumlu Vocational, Erzincan, Turkey
| | - Hafize Ayer
- Department of Biology, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Shukri Jama
- Department of Biology, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Gizem Eser
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | | | - Yavuz Selim Saglam
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
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Ozkaya A, Sahin Z, Kuzu M, Saglam YS, Ozkaraca M, Uckun M, Yologlu E, Comakli V, Demirdag R, Yologlu S. Role of geraniol against lead acetate-mediated hepatic damage and their interaction with liver carboxylesterase activity in rats. Arch Physiol Biochem 2018; 124:80-87. [PMID: 28817314 DOI: 10.1080/13813455.2017.1364772] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this study, the effect of geraniol (50 mg/kg for 30 d), a natural antioxidant and repellent/antifeedant monoterpene, in a rat model of lead acetate-induced (500 ppm for 30 d) liver damage was evaluated. Hepatic malondialdehyde increased in the lead acetate group. Reduced glutathione unchanged, but glutathione S-transferase, glutathione reductase, as well as carboxylesterase activities decreased in geraniol, lead acetate and geraniol + lead acetate groups. 8-OhDG immunoreactivity, mononuclear cell infiltrations and hepatic lead concentration were lower in the geraniol + lead acetate group than the lead acetate group. Serum aspartate aminotransferase and alanine aminotransferase activities increased in the Pb acetate group. In conclusion, lead acetate causes oxidative and toxic damage in the liver and this effect can reduce with geraniol treatment. However, we first observed that lead acetate, as well as geraniol, can affect liver carboxylesterase activity.
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Affiliation(s)
- Ahmet Ozkaya
- a Department of Chemistry, Faculty of Science and Art , Adiyaman University , Adiyaman , Turkey
| | - Zafer Sahin
- b Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences , Necmettin Erbakan University , Konya , Turkey
| | - Muslum Kuzu
- c Faculty of Pharmacy , Agri Ibrahim Cecen University , Agri , Turkey
| | - Yavuz Selim Saglam
- d Department of Pathology, Faculty of Veterinary Medicine , Ataturk University , Erzurum , Turkey
| | - Mustafa Ozkaraca
- d Department of Pathology, Faculty of Veterinary Medicine , Ataturk University , Erzurum , Turkey
| | - Mirac Uckun
- e Department of Food Engineering, Faculty of Engineering , Adiyaman University , Adiyaman , Turkey
| | - Ertan Yologlu
- f Department of Science Education, Faculty of Education , Adiyaman University , Adiyaman , Turkey
| | - Veysel Comakli
- g School of Health , Agri Ibrahim Cecen University , Agri , Turkey
| | - Ramazan Demirdag
- g School of Health , Agri Ibrahim Cecen University , Agri , Turkey
| | - Semra Yologlu
- a Department of Chemistry, Faculty of Science and Art , Adiyaman University , Adiyaman , Turkey
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Geyikoglu F, Isikgoz H, Onalan H, Colak S, Cerig S, Bakir M, Hosseinigouzdagani M, Koc K, Erol HS, Saglam YS, Yildirim S. Impact of high-dose oleuropein on cisplatin-induced oxidative stress, genotoxicity and pathological changes in rat stomach and lung. J Asian Nat Prod Res 2017; 19:1214-1231. [PMID: 28429624 DOI: 10.1080/10286020.2017.1317751] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 04/04/2017] [Indexed: 06/07/2023]
Abstract
The current systemic treatments of the various solid tumors involve Cisplatin (CIS)-based chemotherapy. Due to its cytotoxicity, this approach is limited. Moreover, the safety of CIS is only discussed especially in breast and stomach cancers. Therefore, we, for the first time, explored the restorative efficacy of oleuropein (OLE), in stomach and lung injuries induced by CIS. Sprague-Dawley rats were divided into eight groups: control CIS, OLE and CIS + OLE. Single dose of (7 mg/kg) CIS was administered intraperitoneally to CIS and CIS + OLE groups. After 24 h, 50, 100 and 200 mg/kg OLE was given for three consecutive days to OLE and CIS + OLE groups. The 8-OH-dG, total oxidative/antioxidant status (TOS/TAS) and malondialdehyde (MDA) levels were evaluated and histopathological analyses were performed on the studied tissues. The results indicated that CIS significantly increased 8-OH-dG, MDA and TOS levels and caused severe tissue damages. However, high dose of OLE induced a significant decrease in the 8-OH-dG, MDA levels, an increase in TAS levels and it restores CIS-induced tissue damages. We hope that the results of this study will provide an impetus for future studies on novel therapeutic strategies including the protective use of oleuropein in gastric and lung cancers due to chemotherapy.
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Affiliation(s)
- Fatime Geyikoglu
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | - Hatice Isikgoz
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | - Hakan Onalan
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | - Suat Colak
- b Uzumlu Vocational School , Erzincan University , Erzincan 24150 , Turkey
| | - Salim Cerig
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | - Murat Bakir
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | | | - Kubra Koc
- a Faculty of Science, Department of Biology , Ataturk University , Erzurum 25040 , Turkey
| | - Huseyin Serkan Erol
- c Faculty of Veterinary, Department of Biochemistry , Ataturk University , Erzurum 25040 , Turkey
| | - Yavuz Selim Saglam
- d Faculty of Veterinary, Department of Pathology , Ataturk University , Erzurum 25040 , Turkey
| | - Serkan Yildirim
- d Faculty of Veterinary, Department of Pathology , Ataturk University , Erzurum 25040 , Turkey
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Saripinar Aksu D, Saglam YS, Aksu T. The investigation of neuroprotective effects of pomegranate juice on oxidative damage in brain caused by lead in rats. ACTA ACUST UNITED AC 2016. [DOI: 10.15312/eurasianjvetsci.2016422397] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Yener Z, Ilhan F, Ilhan Z, Saglam YS. Immunohistochemical detection of Mannheimia (Pasteurella) haemolytica antigens in goats with natural pneumonia. Vet Res Commun 2008; 33:305-13. [PMID: 18972219 DOI: 10.1007/s11259-008-9178-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Accepted: 09/22/2008] [Indexed: 11/26/2022]
Abstract
Pneumonia is a leading cause of loss to ruminants throughout the world. Mannheimia (Pasteurella) haemolytica is one of the most important etiological agent of pneumonia in cattle, sheep, and goats. This study was carried out to determine the incidence of M.haemolytica antigens using immunohistochemistry labelling of formalin-fixed, paraffin-embedded tissues in pneumonic lungs of goats slaughtered at abattoir, and then to compare these immunohistochemistry results with the results of bacterial isolation. For these objectives, a total of 1505 goat lungs slaughtered in slaughterhouse were grossly examined and pneumonia was detected in 74 cases (4.91%). Of these, with the exception of verminous pneumonia observed in 32 cases, on 42 pneumonic lungs immunohistochemical examinations were performed. Formalin-fixed and paraffin-embedded lung tissue samples were immunohistochemically stained by the avidin-biotin-peroxidase complex (ABC) procedure using polyclonal antibodies to detect M.haemolytica antigens. Pneumonic lesions were more frequently encountered in cranioventral lobes than caudal lobes, and characterized by irregular lobular foci of atelectasis or lobar pneumonia. The presence of M.haemolytica antigens was detected in 19 (45%) out of 42 pneumonic lungs. Bacterial antigens were found most frequently in the cytoplasm of bronchial and bronchiolar epithelial cells, in the swirling degenerating leukocytes in the alveoli, and in the degenerating leukocytes in the area of coagulation necrosis, less frequently in the epithelial cells of bronchial glands, and lymphoid cells. Conclusionly, immunohistochemical detection of M.haemolytica antigens in pneumonic lungs appear to be more reliable compared to bacterial isolation.
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Affiliation(s)
- Z Yener
- Department of Pathology, Faculty of Veterinary Medicine, Yuzuncu Yil University, Van, Turkey.
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Abstract
The objectives of this study were to determine the potential of an immunoperoxidase technique involving the avidin-biotin complex (ABC) stain for the diagnosis of rabies in fresh tissues and compare it with other standard methods, including the fluorescent antibody test (FAT), haematoxylin and eosin and Seller's stain, and to investigate its capacity to detect rabies antigen in autolysed tissues. Samples of non-autolysed brain from 81 domestic and wild animals suspected of having rabies were examined. Rabies antigen was detected by FAT in 41 of these samples and Negri bodies were detected in 40 (97.6 per cent) of them by the immunoperoxidase technique, in 25 by haematoxylin and eosin and in 22 by Seller's stain. The sensitivity of the immunoperoxidase technique decreased as the tissues were left to autolyse; after two days it was 91.2 per cent, after four days 70.6 per cent, and after seven days 11.8 per cent.
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Affiliation(s)
- A Arslan
- Pathology Laboratory, Veterinary Control and Research Institute, 25070 Erzurum, Turkey
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