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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 5
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Calf Form Bovine Leukosis with Lameness in a Holstein Heifer OAK
TAWFEEQ, Mohammad Monir; MIURA, Saori; NAKANISHI, Yuuki; SUGIMOTO, Kazuya; KOBAYASHI, Yoshiyasu; FURUOKA, Hidefumi; INOKUMA, Hisashi; 古林, 与志安; 猪熊, 壽.
A 12-month-old Holstein heifer with anorexia, lameness, and enlargement of peripheral lymph nodes was suspected of having bovine leukosis. Although lymphocytosis was not observed, cytology of fine needle aspirate from a superficial cervical node, and increased serum lactate dehydrogenase and thymidine kinase activities, strongly suggested lymphosarcoma. Increased numbers of mononuclear cells as well as mitotic cells were observed in synovial fluid collected from swollen joints. Pathological examination confirmed B-cell calf form bovine leukosis and joint swelling related to neoplastic cell infiltration. Both interleukin-2 receptor and thymidine kinase 1 genes were highly expressed in cells from superficial cervical lymph node aspirate.
Palavras-chave: Calf form bovine leukosis; Gene expression; Joint infiltration.
Ano: 2012 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4097
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Evaluation of Gene Expression in Peripheral Blood Cells as a Potential Biomarker for Enzootic Bovine Leukosis OAK
TAWFEEQ, Mohammad Monir; HORIUCHI, Noriyuki; KOBAYASHI, Yoshiyasu; FURUOKA, Hidefumi; INOKUMA, Hisashi; 堀内, 雅之; 古林, 与志安; 古岡, 秀文; 猪熊, 壽.
Expression of six selective genes in peripheral blood cells was evaluated as diagnostic biomarkers for enzootic bovine leukosis (EBL) by using 10 EBL and 15 clinically healthy cattle. The clinically healthy cattle generally showed lower gene expression levels. Although wide variations of gene expression were found in some clinical cases of EBL, 4 and 5 among 10 EBL cattle showed higher expression of interleukin 2 receptor gene (IL2R) and Wilms’ tumor gene (WT1), respectively. Expression of IL2R in peripheral blood cells in EBL cattle was statistically increased; however, the lower sensitivity and higher variation in the gene expressions among clinical cases of EBL would be problems as diagnostic biomarkers.
Palavras-chave: Biomarkers; Enzootic bovine leukosis; Gene expression; QRT-PCR.
Ano: 2013 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3868
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Overexpression of Interleukin 2 Receptor, Thymidine Kinase and Immunoglobulin-Associated Alpha-1 Messenger RNA in a Clinical Case of Enzootic Bovine Leukosis OAK
TAWFEEQ, Mohammad Monir; TAGAWA, Michihito; ITOH, Yuuki; SUGIMOTO, Kazuya; KOBAYASHI, Yoshiyasu; INOKUMA, Hisashi; 古林, 与志安; 猪熊, 壽.
A 49-month-old Holstein cow with anorexia, tachypnea, enlarged peripheral lymph nodes, and difficulty standing up was suspected of bovine leukosis. Hematological examination revealed lymphocytosis with the presence of neoplastic cells. Increased total lactate dehydrogenase (LDH) activity, isozymes of LDH-2 and LDH-3 activities and thymidine kinase activity were observed. Cytological findings of fine needle aspiration of subiliac lymph nodes indicated lymphosarcoma. Histopathology and antibody analysis confirmed the diagnosis of enzootic bovine leukosis, a B-cell bovine lymphoma caused by bovine leukemia virus. Gene expressions known as biomarkers of hematopoietic neoplasia in human were also examined in the present case. Increased messenger RNA expression...
Palavras-chave: Biomarker; Bovine leukosis; Gene expression.
Ano: 2012 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4096
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Thymic Lymphosarcoma with Brain Involvement in a Holstein Heifer OAK
TAWFEEQ, Mohammad Monir; MIURA, Saori; SUGIMOTO, Kazuya; KOBAYASHI, Yoshiyasu; INOKUMA, Hisashi; 古林, 与志安; 猪熊, 壽.
An 8-month-old Holstein heifer with cervical enlargement was suspected of thymic lymphosarcoma given clinical signs of depression, tendency to lie down, cervical mass, jugular vein distension, conjunctival hyperemia, and ruminal tympany. Unilateral Horner’s syndrome was also observed. Increased serum total lactate dehydrogenase (LDH), LDH isozyme (LDH-2, and LDH-3) and serum thymidine kinase activity were observed. The findings of fine needle aspiration cytology of the cervical mass revealed large lymphoblasts with mitoses present. These findings strongly suggested the diagnosis of lymphosarcoma. Necropsy revealed a large mass in the cervical thymic region, which compressed the esophagus and trachea. Cranial masses in the frontal sinus and multiple...
Palavras-chave: Brain involvement; Cattle; Thymic lymphosarcoma.
Ano: 2012 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4098
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Utility of Serum Thymidine Kinase Activity Measurements for Cases of Bovine Leukosis with Difficult Clinical Diagnoses OAK
TAWFEEQ, Mohammad Monir; MIURA, Saori; HORIUCHI, Noriyuki; KOBAYASHI, Yoshiyasu; FURUOKA, Hidefumi; INOKUMA, Hisashi; 堀内, 雅之; 古林, 与志安; 古岡, 秀文; 猪熊, 壽.
This study evaluated the clinical usefulness of serum thymidine kinase (TK) activity for diagnosing bovine leukosis cases for which clinical diagnosis was difficult (‘BL with difficult diagnosis’). Median TK activity values in 24 ‘BL with difficult diagnosis’ and 36 cattle for which BL was clinically confirmed by cytology findings of enlarged superficial lymph nodes (‘clinically confirmed BL’) were 36.8 and 39.4 U/l, respectively (no significant difference). The percentage with positive TK activity (>5.4 U/l) was also similar in both groups (83.3% for ‘BL with difficult diagnosis’ and 97.2% for ‘clinically confirmed BL’). TK activity was significantly higher in cows with ‘BL with difficult diagnosis’ compared to those with other tumors (N=13) and those...
Palavras-chave: Atypical bovine leukosis; Diagnosis; Thymidine kinase.
Ano: 2013 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3869
Registros recuperados: 5
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