Pathological Studies on Aleukemic Case of Bovine Leukosis

Ohshima, Kan-ichi; Ozai, Yukio; Okada, Kōsuke; Numakunai, Shigeru

doi:10.1292/jvms1939.42.297

Cited by 12 publications

(6 citation statements)

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“…The kidney was moderately affected in bovine lymphoma by 44.0%. This is relatively similar to the previous reports described 15.7% to 45.5% by Smith (1965) and Ohshima et al (1980). In many cases, only renal hilus was involved with lymphoma and parenchymal structure was normal.…”

Section: Discussionsupporting

confidence: 91%

“…The most pathognomonic lesion was found in the heart, which was invaded in 88.9% of the individuals. This finding was higher than that (54.6%) of Smith's report (1965), but lower than that (90.9%) of Ohshima et al (1980). In the early stage forms, small neoplastic masses were limited and identified only in the epicardial fat of the atrioventricular junction (Marshak et al, 1962;Jarplid, 1964).…”

Section: Discussionmentioning

confidence: 79%

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Characteristics of Bovine Lymphoma Caused by Bovine Leukemia Virus Infection in Holstein-Friesian Dairy Cattle in Korea

Yoon¹,

Bae²,

Lee³

et al. 2005

Asian Australas. J. Anim. Sci

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 79%

Characteristics of Bovine Lymphoma Caused by Bovine Leukemia Virus Infection in Holstein-Friesian Dairy Cattle in Korea

Yoon¹,

Bae²,

Lee³

et al. 2005

Asian Australas. J. Anim. Sci

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“…In addition to these antibody and genetic tests, this disease can also be diagnosed by other methods, such as by measuring lymphocyte counts in the peripheral blood. Based on results from pathologic examination of bovine leukosis, a previous Japanese study demonstrated that careful observation of atypical mononuclear cells by peripheral blood smear is necessary for an accurate diagnosis of aleukemic leukemia when the classification is made according to the hematological diagnostic key of the European Community (Key of EC) [ 10 ]. In another Japanese study, provisional diagnostic criteria for the preleukemic condition were established based on the classification of persistent lymphocytosis in Japanese Black cattle using a normal lymphocyte count in the peripheral blood and the Bendixen index as references [ 7 ].…”

mentioning

confidence: 99%

Development of a preliminary diagnostic measure for bovine leukosis in dairy cows using peripheral white blood cell and lymphocyte counts

Nishiike

Haoka

Doi

et al. 2016

The Journal of Veterinary Medical Science

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Analysis of the association between antibodies against bovine leukemia virus (BLV), BLV proviral load, and white blood cell (WBC) and lymphocyte counts was performed with 774 dairy cows. The average age, WBC counts and lymphoid cell counts tended to be higher in BLV antibody-positive cows than in antibody-negative cows. There was a similar trend in levels of proviral DNA. We analyzed age, WBC counts and lymphocyte counts by principal component analyses to create a distribution chart of the principle component scores. Using the chart, we categorized cows into four quadrants based on additional information, such as the presence of antibody and the levels of proviral DNA. Antibody-positive cows and cows with high BLV proviral load were found mostly in one quadrant of the chart, indicating that it is possible to predict the risk of infection without any knowledge on antibody status by using information, such as WBC counts as a biomarker. When only antibody-positive cows were included in the analysis, a characteristic distribution of different levels of proviral DNA was seen in the quadrants, suggesting that it is possible to estimate the extent of bovine leukosis infection by using this analysis. For this analysis and categorization of the cows into quadrants, we computed a mathematical formulation using discriminant analysis based on age and WBC and lymphocyte counts. This mathematical formulation for the hematological preliminary diagnosis of the disease is recommended as a screening tool to monitor bovine leukosis.

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“…(03). The seropositive cases in Japan were 11.7% in 1980 (22). Now the seroprevalence of BLV infection in this country became 4.8%, this result of the effectiveness of the control and preventive programs (23).…”

Section: Methodsmentioning

confidence: 98%

“…The papers were supplemented with additional articles cited in its reference and were obtained by the electronic search only. Studies were selected, extracted data and analyzed by statistical program SPSS V. 22. according to the principles as in following:…”

Section: Methodsmentioning

confidence: 99%

Bovine leukosis and the possibility to cause cancer in humans: A scientific review

Alabbody¹

2018

Iraqi J. Vet. Med.

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This review was made to explore the recent multiple studies on enzootic bovine leukosis, focusing on its prevalence, economic impact, the link with public health and the possibility to cause cancer in humans. The causative agent of enzootic bovine leukosis is a virus closely related to human T- cell leukemia virus (HTLV-1). The closeness between the two viruses helps the progress of cancer research in diagnosis and treatment, also the development of a vaccine in both human and veterinary medicine .The enzootic bovine leukosis is widely spread in the continents. The economic loses of enzootic bovine leukosis is related to the lowered productivity of effected cattle, morbidity, mortality and cost of control and eradication. This review proved that bovine leukemia virus is innocent from human cancer infection and there is no proof of virus living in human tissues. But this subject needs a lot of research to know the mechanism of the virus and its affects in cellular content of the organism.

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Pathological Studies on Aleukemic Case of Bovine Leukosis

Cited by 12 publications

References 0 publications

Characteristics of Bovine Lymphoma Caused by Bovine Leukemia Virus Infection in Holstein-Friesian Dairy Cattle in Korea

Characteristics of Bovine Lymphoma Caused by Bovine Leukemia Virus Infection in Holstein-Friesian Dairy Cattle in Korea

Development of a preliminary diagnostic measure for bovine leukosis in dairy cows using peripheral white blood cell and lymphocyte counts

Bovine leukosis and the possibility to cause cancer in humans: A scientific review

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