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Toyoda H, Tani A, Goto-Koshino Y, Motegi T, Sakamoto M, Mochizuki T, Harada K, Kobayashi T, Setoguchi A, Shizuta Y, Mizuno T, Irie M, Nakamichi J, Tsujimoto H, Ohmi A, Fukuoka R, Nakamura Y, Tomiyasu H. Gene expression profiles associated with early relapse during first remission induction in canine multicentric high-grade B-cell lymphoma. J Vet Med Sci 2024; 86:18-27. [PMID: 37952972 PMCID: PMC10849849 DOI: 10.1292/jvms.23-0269] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 06/26/2023] [Accepted: 10/29/2023] [Indexed: 11/14/2023] Open
Abstract
Although chemotherapy using CHOP-based protocol induces remission in most cases of canine multicentric high-grade B-cell lymphoma (mhBCL), some cases develop early relapse during the first induction protocol. In this study, we examined the gene expression profiles of canine mhBCL before chemotherapy and investigated their associations with early relapse during the first whole CHOP-based protocol. Twenty-five cases of mhBCL treated with CHOP-based protocol as first induction chemotherapy were included in this study. Sixteen cases completed the first whole CHOP-based protocol without relapse (S-group), and nine developed relapse during the chemotherapy (R-group). RNA-seq was performed on samples from neoplastic lymph nodes. Differentially expressed genes (DEGs) were extracted by the comparison of gene expression profiles between S- and R-groups, and the differences in the expression levels of these genes were validated by RT-qPCR. Extracted 179 DEGs included the genes related to chemokine CC motif ligand, T-cell receptor signaling pathway, and PD-L1 expression and PD-1 checkpoint pathway. We focused on chemokine CC motif ligand, and CCL4 was confirmed to be significantly downregulated in the R-group (P=0.039). We also focused on the genes related to T-cell signaling pathway, and CD3E (P=0.039), ITK (P=0.023), and LAT (P=0.023) genes were confirmed to be significantly upregulated in the R-group. The current results suggest that both changes in tumor cells and the interactions between tumor cells and immune cells are associated with the efficacy of the chemotherapy for first remission induction.
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Affiliation(s)
- Hiroto Toyoda
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Akiyoshi Tani
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuko Goto-Koshino
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tomoki Motegi
- Boston University School of Medicine, Department of Medicine, Division of Computational Biomedicine, Boston, MA, USA
| | - Mika Sakamoto
- Genome Informatics Laboratory, National Institute of Genetics, Shizuoka, Japan
| | - Takako Mochizuki
- Genome Informatics Laboratory, National Institute of Genetics, Shizuoka, Japan
| | - Kei Harada
- Japan Small Animal Cancer Center, Saitama, Japan
| | | | | | | | - Takuya Mizuno
- Laboratory of Molecular Diagnostics and Therapeutics, Joint Graduate School of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | | | - Jun Nakamichi
- Japan Animal Referral Medical Center, Kanagawa, Japan
| | | | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Ray Fukuoka
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yasukazu Nakamura
- Genome Informatics Laboratory, National Institute of Genetics, Shizuoka, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Uchida M, Matsumiya Y, Tsuboi M, Uchida K, Nakagawa T, Fujii W, Kobayashi T, Tsujimoto H, Ohmi A, Tomiyasu H, Motegi T, Maeda S, Momoi Y, Yonezawa T. Serum level of apoptosis inhibitor of macrophage in dogs with histiocytic sarcoma and its association with the disease. Vet Comp Oncol 2023; 21:391-400. [PMID: 37088561 DOI: 10.1111/vco.12897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 12/27/2022] [Accepted: 04/11/2023] [Indexed: 04/25/2023]
Abstract
Histiocytic sarcoma (HS) is a rare neoplasm of macrophages or dendritic cells with a poor prognosis in dogs. As the apoptosis inhibitor of macrophage (AIM) is characteristically expressed in canine macrophages, we hypothesised that AIM is involved in the development or progression of HS in dogs. In this study, AIM expression in the tumour region and serum AIM levels in dogs with HS was assessed. Additionally, the effects of AIM overexpression on HS cell viability were investigated using a HS cell line that was selected from five validated HS cell lines. Immunohistochemistry showed that AIM expression was observed in the cytoplasm of the HS cells. CD36, a candidate AIM receptor, was also observed on the cell membrane of HS cells. When the serum AIM level was detected in 36 dogs with HS and 10 healthy dogs via western blot analysis, the AIM levels in the HS dogs were significantly higher than those in the controls. AIM mRNA expression in the 5 HS cell lines varied but was higher than that in the other tumour-derived lines. Among the five HS cell lines, DH82 originally had lower AIM and the highest CD36 expression. When AIM was overexpressed in DH82, therein cell growth speed and invasion, apoptosis inhibition and phagocytic activity were strongly upregulated. These data suggest that elevated intra-tumour expression of AIM could induce the progression of HS cells in dogs. Moreover, elevated serum AIM levels in dogs with HS could serve as a biomarker of HS.
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Affiliation(s)
- Mona Uchida
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuki Matsumiya
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Masaya Tsuboi
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Wataru Fujii
- Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | | | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tomoki Motegi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shingo Maeda
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yasuyuki Momoi
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tomohiro Yonezawa
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Kanemoto H, Fujiwara-Igarashi A, Kobayashi T, Harada K, Ichimata M, Kim S, Hosoya K, Tomiyasu H, Ohmi A, Tsujimoto H. Retrospective study of feline tracheal mass lesions. J Feline Med Surg 2023; 25:1098612X231164611. [PMID: 37199684 DOI: 10.1177/1098612x231164611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
OBJECTIVES This multicentre, retrospective observational study aimed to describe the clinical presentation, diagnostic methods, treatment and outcomes of cats with tracheal masses. METHODS Eighteen cats from five academic or secondary/tertiary animal hospitals were included. RESULTS The median age at diagnosis was 10.7 years (mean 9.5; range 1-17). There were nine castrated males, seven spayed females, one intact male and one intact female. Fourteen (78%) were domestic shorthairs, one (6%) was an Abyssinian, one (6%) was an American Shorthair, one (6%) was a Bengal and one (6%) was a Scottish Fold. The most common presenting complaints included chronic respiratory distress or dyspnoea (n = 14), followed by wheezing/gagging (n = 12), coughing (n = 5) and voice changes (n = 5). There was cervical tracheal involvement in 16/18, and two showed involvement of the intrathoracic trachea. The following methods were used for diagnosis: ultrasound-guided fine-needle biopsy (UG-FNB) and cytology (n = 8), bronchoscopic forceps biopsy and histopathology (n = 5), surgical resection and histopathology (n = 3), forceps biopsy via an endotracheal tube (n = 1) and histology of tissue sputtered from a cough (n = 1). Lymphoma was most often diagnosed (n = 15), followed by adenocarcinoma (n = 2) and squamous cell carcinoma (n = 1). Most lymphoma cases received chemotherapy with or without radiation according to various protocols, and partial (n = 5) or complete responses (n = 8) were noted. Kaplan-Meier survival data for cats with lymphoma revealed a median survival time of 214 days (95% confidence interval >149 days), which was significantly longer than that of other types of tumours (21 days). CONCLUSIONS AND RELEVANCE Lymphoma was the most prevalent diagnosis, and showed a good response to chemotherapy with or without radiation therapy. Various diagnostic procedures were performed, and UG-FNB and cytology are good diagnostic procedures for cervical tracheal lesions. Owing to the variety of treatment protocols at different centres, it was impossible to compare outcomes.
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Affiliation(s)
- Hideyuki Kanemoto
- ER Hachioji Advanced Animal Medical and Critical Care Centre, Tokyo, Japan
| | - Aki Fujiwara-Igarashi
- Laboratory of Veterinary Radiology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | | | - Kei Harada
- Japan Small Animal Cancer Center, Saitama, Japan
| | | | - Sangho Kim
- Hokkaido University Veterinary Teaching Hospital, Hokkaido, Japan
| | - Kenji Hosoya
- Hokkaido University Veterinary Teaching Hospital, Hokkaido, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
- Japan Animal Referral Medical Center, Kanagawa, Japan
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4
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Ohmi A, Tanaka M, Rinno J, Tsuboi M, Chambers JK, Uchida K, Goto-Koshino Y, Tomiyasu H, Ohno K, Tsujimoto H. Clinical characteristics and outcomes of Mott cell lymphoma in nine miniature dachshunds. Vet Med Sci 2023; 9:609-617. [PMID: 36401603 PMCID: PMC10029887 DOI: 10.1002/vms3.975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Lymphoma with Mott cell change, or Mott cell lymphoma (MCL), is an uncommon variant of canine lymphoma. Because of its rare occurrence, there has been no comprehensive study describing the disease so far. Miniature dachshunds, a popular breed in Japan, sometimes experience MCL. OBJECTIVES To investigate the clinical characteristics and outcomes of MCL in miniature dachshunds. METHODS Medical records were retrospectively reviewed to identify miniature dachshunds diagnosed with MCL and other types of lymphoma. Data on clinical and laboratory findings, treatments and outcomes were collected. Survival times were compared between miniature dachshunds with MCL and other types of lymphoma. RESULTS Of the 87 miniature dachshunds diagnosed with lymphoma, 9 (10%) had cytological characteristics of MCL. All 9 miniature dachshunds with MCL were categorised as having alimentary lymphoma (small and/or large intestine, 6 dogs; mesenteric lymph node, 3 dogs). The median age was 3.1 years (range, 2.0-9.4 years). All nine dogs were treated with chemotherapeutic protocols used for large cell lymphoma or alkylating agents such as melphalan or chlorambucil. The overall response rate to initial chemotherapy was 78%, and the median progression-free survival was 105 days. Overall survival in these nine dogs ranged from 6 to >1513 days (median, 240 days), which was significantly longer than in 29 miniature dachshunds with alimentary large cell lymphoma other than MCL (median, 57 days; p = 0.0491). CONCLUSIONS MCL in miniature dachshunds can be recognised as a peculiar type of B-cell lymphoma occurring in relatively young dogs as an alimentary form and has a longer survival compared with typical alimentary large cell lymphoma.
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Affiliation(s)
- Aki Ohmi
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Miho Tanaka
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Jun Rinno
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Masaya Tsuboi
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - James K Chambers
- Department of Veterinary Pathology, The University of Tokyo, Tokyo, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, The University of Tokyo, Tokyo, Japan
| | | | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, The University of Tokyo, Tokyo, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, The University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, The University of Tokyo, Tokyo, Japan
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5
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Azuma K, Ohmi A, Goto‐Koshino Y, Tomiyasu H, Ohno K, Chambers JK, Uchida K, Namba H, Nagata M, Nagamine E, Nibe K, Irie M, Tsujimoto H. Cover Image. Vet Comp Oncol 2022. [DOI: 10.1111/vco.12804] [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] [Indexed: 11/26/2022]
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Nishi R, Ohmi A, Tsuboi M, Yamamoto K, Tomiyasu H. Successful treatment of a lung abscess without surgical intervention in a cat. JFMS Open Rep 2022; 8:20551169221086434. [PMID: 35356306 PMCID: PMC8958698 DOI: 10.1177/20551169221086434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Case summary An 8-year-old neutered female domestic shorthair cat was referred with complaints of lethargy, anorexia, fever, tachypnoea and a pulmonary mass on thoracic radiography. Whole-body CT revealed the presence of a nodular lesion in the right caudal lobe of the lung. Fine-needle aspiration of the lung mass yielded purulent fluid and cytology showed a large number of mildly to moderately degenerated neutrophils with numerous cocci and bacilli, leading to the diagnosis of a lung abscess. Empirical administration of doxycycline and orbifloxacin was initiated on the day of referral. Bacterial culture and antibiotic susceptibility tests using the collected fluid sample detected two types of bacteria, which were susceptible to both antibiotics. The clinical signs of the cat improved after the initiation of treatment, and the antibiotics were discontinued 28 days later, after the lung lesions disappeared. No recurrence of lung abscess was observed until 588 days after the discontinuation of treatment. Relevance and novel information Only one case of a lung abscess has been previously reported in cats. Furthermore, while surgical resection is the most common treatment for lung abscesses in the field of veterinary medicine, this is the first report of successful treatment with antibiotic administration alone.
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Affiliation(s)
- Reo Nishi
- Department of Veterinary Clinical Pathobiology, The University of Tokyo, Tokyo, Japan.,Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Masaya Tsuboi
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Kie Yamamoto
- Veterinary Medical Center, The University of Tokyo, Tokyo, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, The University of Tokyo, Tokyo, Japan
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7
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Azuma K, Ohmi A, Goto-Koshino Y, Tomiyasu H, Ohno K, Chambers JK, Uchida K, Namba H, Nagata M, Nagamine E, Nibe K, Irie M, Tsujimoto H. Outcomes and prognostic factors in canine epitheliotropic and nonepitheliotropic cutaneous T-cell lymphomas. Vet Comp Oncol 2021; 20:118-126. [PMID: 34250731 DOI: 10.1111/vco.12752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/18/2021] [Accepted: 07/08/2021] [Indexed: 12/11/2022]
Abstract
Canine cutaneous lymphoma is an uncommon lymphoma in dogs. Most canine cutaneous lymphoma cases have a T-cell origin. Canine cutaneous T-cell lymphoma (CTCL) is classified into epitheliotropic and nonepitheliotropic cutaneous lymphomas, and each type of lymphoma is subclassified into several histological subtypes. Limited information is available regarding the prognostic significance of clinical variables and histopathological subtypes in dogs with CTCL. This retrospective study aimed to investigate the influence of clinical variables and histopathological subtypes on the prognosis of dogs with CTCL. Forty-six dogs diagnosed with CTCL by histopathological examination were included. Histopathological specimens were reexamined and classified into CTCL subtypes. The influence of the type of skin lesion, histopathological subtype, haematological examination results and treatment response on the overall survival time (OS) was examined. Thirty-one dogs were diagnosed with epitheliotropic CTCL (mycosis fungoides in 28 dogs; pagetoid reticulosis in 3 dogs) and 15 dogs were diagnosed with nonepitheliotropic CTCL (anaplastic large T-cell lymphoma in 6 dogs; peripheral T-cell lymphoma, not otherwise specified, in 9 dogs). The OS of dogs diagnosed with epitheliotropic CTCL (141 days) was significantly shorter than that of dogs diagnosed with nonepitheliotropic CTCL (374 days). As clinical variables, the presence of neoplastic lymphocytes in peripheral blood, thrombocytopenia and initial chemotherapeutic response was related to prognosis. Our results demonstrated that histopathological subtype and several clinical variables were found to influence the prognosis of dogs with CTCL.
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Affiliation(s)
- Kazushi Azuma
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Yuko Goto-Koshino
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - James K Chambers
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Hiroyuki Namba
- Namba Pathological Diagnostic Laboratory, Setagaya-ku, Tokyo, Japan
| | | | | | - Kazumi Nibe
- Japan Animal Referral Medical Center Kawasaki, Kawasaki-shi, Kanagawa, Japan
| | - Mitsuhiro Irie
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.,Shikoku Veterinary Medical Center, Kagawa, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
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8
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Nakagawa T, Kojima M, Ohno K, Chambers JK, Uchida K, Ohmi A, Goto-Koshino Y, Tomiyasu H, Tsujimoto H. Efficacy and adverse events of continuous l-asparaginase administration for canine large cell lymphoma of presumed gastrointestinal origin. Vet Comp Oncol 2021; 20:102-108. [PMID: 34213084 DOI: 10.1111/vco.12749] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/30/2021] [Accepted: 06/30/2021] [Indexed: 11/30/2022]
Abstract
We examined the efficacy and adverse events of continuous l-asparaginase administration in dogs with large cell lymphoma of presumedgastrointestinal (GI) origin. We retrospectively reviewed medical records of dogs with large cell lymphoma of presumed GI origin treated with continuous l-asparaginase administration from 2009 to 2018. We collected information on the signalment, lesion site, complete blood count, serum biochemical profile, diagnostic imaging findings, cytological and histopathological findings, immunophenotype, l-asparaginase administration frequency, treatment response, adverse events, rescue protocol, and patient outcomes. Clinical outcomes were assessed using medical records or by contacting the owner or referring veterinarian. Thirty-two dogs with large cell lymphoma of presumed GI origin received weekly l-asparaginase administration. The median number of l-asparaginase injections was seven (range: 1-30). Although two of the 32 dogs had GI toxicity of grade 3 or higher, none developed a hypersensitivity reaction. The response rate based on ultrasonographic findings was 18/32 (56%) and that based on clinical signs was 30/32 (94%). The median overall progression-free survival was 50 days (range: 2-214 days), and median overall survival was 147 days (range: 2-482 days). Adverse events associated with continuous l-asparaginase administration were rare. Clinical signs at diagnosis improved in most cases. Based on these results, continuous l-asparaginase administration appears to be a reasonable treatment option for dogs with large cell lymphoma of presumed GI origin.
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Affiliation(s)
- Taisuke Nakagawa
- Veterinary Medical Centre, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Mari Kojima
- Veterinary Medical Centre, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - James K Chambers
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Aki Ohmi
- Veterinary Medical Centre, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuko Goto-Koshino
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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9
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Nagahara T, Ohno K, Nagao I, Nakagawa T, Yokoyama N, Ohmi A, Goto-Koshino Y, Chambers JK, Uchida K, Tomiyasu H, Tsujimoto H. Changes in the coagulation parameters in dogs with protein-losing enteropathy between before and after treatment. J Vet Med Sci 2021; 83:1295-1302. [PMID: 34176824 PMCID: PMC8437731 DOI: 10.1292/jvms.21-0137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Protein-losing enteropathy (PLE) is known to induce hypercoagulability and resultant
thromboembolism in dogs. We hypothesized that hypercoagulability would improve if
remission was obtained in dogs with PLE after treatment. This study aimed to evaluate the
changes in the coagulation parameters after treatment in dogs diagnosed with PLE. As
coagulation parameters, prothrombin time (PT), activated partial thromboplastin time
(aPTT), fibrinogen, thrombin-antithrombin complex (TAT), D-dimer, and antithrombin (AT)
were measured. In addition to these parameters, rotational thromboelastometry (ROTEM),
which evaluates the comprehensive coagulation and fibrinolysis reactions of whole blood,
was conducted and the data of clotting time (CT), clot formation time (CFT), α angle (α),
maximum clot firmness (MCF) and lysis index at 60 min (LI60) were obtained. Eleven of the
14 dogs diagnosed with PLE were classified as responders to the treatment based on the
changes in their plasma albumin (ALB) concentration after treatment. Significant increase
in CFT and decrease of α and MCF indicating the resolution of hypercoagulability were
found after treatment in responder dogs; however, there was no significant change in the
coagulation and fibrinolysis parameters other than those measured by ROTEM. This study
demonstrated that the hypercoagulability detected by ROTEM was significantly improved
after treatment in dogs with PLE.
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Affiliation(s)
- Takuro Nagahara
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Itsuma Nagao
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Taisuke Nakagawa
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Nozomu Yokoyama
- Veterinary Teaching Hospital, Graduate School of Veterinary Medicine, Hokkaido University, N18 W9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Yuko Goto-Koshino
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - James K Chambers
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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10
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Nakazawa M, Tomiyasu H, Suzuki K, Asada H, Fujiwara-Igarashi A, Goto-Koshino Y, Ohmi A, Ohno K, Fujita M, Tsujimoto H. Efficacy of chemotherapy and palliative hypofractionated radiotherapy for cats with nasal lymphoma. J Vet Med Sci 2021; 83:456-460. [PMID: 33473067 PMCID: PMC8025413 DOI: 10.1292/jvms.20-0464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Nasal lymphoma (NL) is the most common nasal tumor in cats, and radiotherapy, chemotherapy, or a combination of these treatments have been described as the
treatment for this disease. However, the previous studies included various machines and protocols of radiotherapy. Therefore, we aimed to retrospectively
compare the prognosis among cases treated with palliative hypofractionated radiotherapy, chemotherapy, and a combination of them with united machine and
protocol of radiotherapy. When compared overall survival and progression free survival, there was no significant difference among these three groups. The data
of this study suggested that similar efficacy could be achieved by palliative hypofractionated radiotherapy, chemotherapy, or a combination of them.
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Affiliation(s)
- Maho Nakazawa
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kanako Suzuki
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Asada
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Aki Fujiwara-Igarashi
- Laboratory of Veterinary Radiology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-0023, Japan
| | - Yuko Goto-Koshino
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Michio Fujita
- Laboratory of Veterinary Radiology, School of Veterinary Medicine, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-0023, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
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11
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Ohmi A, Ohno K, Chambers JK, Uchida K, Nakagawa T, Tomiyasu H, Tsujimoto H. Clinical and histopathological features and prognosis of gastrointestinal adenocarcinomas in Jack Russell Terriers. J Vet Med Sci 2020; 83:167-173. [PMID: 33328390 PMCID: PMC7972879 DOI: 10.1292/jvms.20-0421] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
There has been an increase in the number of Jack Russell Terriers (JRTs) diagnosed with
adenomas and adenocarcinomas of the gastrointestinal tract in Japan. This study
retrospectively investigated the clinical and histopathological features and prognosis of
adenocarcinomas arising in the gastrointestinal tract in JRT dogs. Seven JRTs and 39 dogs
of other breeds diagnosed with gastrointestinal adenocarcinoma were included in the study.
The most common sites of gastrointestinal adenocarcinoma in JRTs were the pylorus and
rectum. On histopathological examination, these adenocarcinomas showed a papillary or
tubular growth pattern, and the lesions were confined within the mucosal epithelium and
poorly invasive. Among all dogs with gastric adenocarcinoma, the median survival time
(MST) for five of the JRTs could not be determined because more than half of the cases
remained alive, while the MST for nine non-JRT dogs was 34 days. Among all dogs with
adenocarcinoma in the large intestine, the MST for three of the JRTs could not be
determined, while the MST for nine non-JRT dogs was 1,973 days. The difference in MST
between JRT and non-JRT dogs with gastric adenocarcinoma was significant
(P=0.0220). Since gastrointestinal adenocarcinomas in JRTs show
distinct characteristics with respect to their clinical features, treatment course, and
prognosis, a different surgical and medical treatment plan should be considered compared
to the management of gastrointestinal adenocarcinomas in other dog breeds.
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Affiliation(s)
- Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - James K Chambers
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Taisuke Nakagawa
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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12
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Uchida M, Ohmi A, Fujiwara R, Fukushima K, Doi A, Azuma K, Tsujimoto H. Treatment with rivaroxaban and monitoring of coagulation profiles in two dogs with venous thromboembolism. J Vet Med Sci 2020; 82:1271-1276. [PMID: 32655095 PMCID: PMC7538330 DOI: 10.1292/jvms.19-0605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Two dogs with immune-mediated hemolytic anemia complicated with thromboembolism were presented. Both of the dogs were initially treated with immunosuppressive therapy in conjunction with dalteparin and clopidogrel. Although the immunosuppressive therapy was effective, peritoneal effusion due to thromboembolism was observed during the course of the disease in these dogs. After initiation of rivaroxaban treatment, peritoneal effusion decreased immediately in parallel with the normalization of D-dimer, antithrombin (AT), and thrombin-antithrombin complex (TAT). Hematochezia, cutaneous hemorrhage, and hematuria were observed as adverse events after administration of rivaroxaban in one case. Rivaroxaban was effective for the control of thromboembolism secondary to immune-mediated hemolytic anemia, and D-dimer, AT, and TAT were useful to monitor the status of thromboembolic disease in dogs.
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Affiliation(s)
- Mona Uchida
- Department of Veterinary Clinical Pathobiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Reina Fujiwara
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kenjiro Fukushima
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Akihiro Doi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kazushi Azuma
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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13
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Tani A, Tomiyasu H, Ohmi A, Ohno K, Tsujimoto H. Clinical and clinicopathological features and outcomes of Miniature Dachshunds with bone marrow disorders. J Vet Med Sci 2020; 82:771-778. [PMID: 32307340 PMCID: PMC7324823 DOI: 10.1292/jvms.19-0439] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Non-neoplastic bone marrow disorders such as non-regenerative immune-mediated anemia, pure red cell aplasia, and myelodysplastic syndrome are major causes of non-regenerative anemia in dogs. However, there has been no study on the clinical and clinicopathological features of canine non-neoplastic bone marrow disorders in Japan. Hence, we first investigated the breed disposition of non-neoplastic bone marrow disorders that induce anemia as a retrospective study and found that Miniature Dachshund (MD) was a predisposed breed. Based on this finding, we investigated the clinical and clinicopathological features of non-neoplastic bone marrow disorders in MDs as a preliminary retrospective study, and we compared them between immunosuppressive treatment-responsive and -resistant MDs. We found that treatment-resistant MDs showed thrombocytosis and increased frequencies of dysplastic features in the peripheral blood. These results indicate that bone marrow disorders in treatment-resistant MDs might manifest distinct features compared with those in treatment-sensitive MDs, and sensitivity to immunosuppressive treatments could be predicted based on thrombocytosis and dysplastic features in the peripheral blood. Further studies that examine aberrations in the genome are needed to elucidate the pathophysiology of bone marrow disorders in MDs.
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Affiliation(s)
- Akiyoshi Tani
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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14
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Kato D, Takahashi M, Yonezawa T, Ohmi A, Takeda S, Nakagawa T, Hosoda S, Kanemoto H, Fukushima K, Ohno K, Matsuki N, Tsujimoto H. Evaluation of an automated point-of-care test system for measuring thrombin-antithrombin complex in dogs. J Vet Emerg Crit Care (San Antonio) 2019; 30:102-106. [PMID: 31845506 DOI: 10.1111/vec.12913] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 03/16/2018] [Accepted: 03/22/2018] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To evaluate the utility of the chemiluminescent enzyme immunoassay (CLEIA) method for point-of-care (POC) measurement of canine plasma thrombin-antithrombin complex (TAT) concentration. ASSESSMENT AND MAIN RESULTS Plasma TAT concentration was measured in 54 healthy dogs and in 72 dogs with various diseases. A significant correlation was found between TAT concentration measured by CLEIA and that measured by an ELISA that was previously used in dogs. The upper limit of the reference value of TAT concentrations measured by CLEIA was determined to be 0.2 ng/mL based on the TAT concentration in 54 healthy dogs. TAT concentrations exceeded the reference interval in a portion of dogs when a hypercoagulable state may be present. CONCLUSIONS Canine plasma TAT concentrations measured using CLEIA were correlated with that measured using ELISA. Hence, a POC testing instrument may be used for early detection of activation of thrombin generation in emergency and critical care settings.
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Affiliation(s)
- Daiki Kato
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Masashi Takahashi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tomohiro Yonezawa
- Laboratory of Veterinary Clinical Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Sawako Takeda
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Taisuke Nakagawa
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Saburou Hosoda
- Veterinary Diagnostics Testing Group, Immunology and Serology Department, Clinical Laboratory Center, Medical Solution Segment, LSI Medience Corporation, Tokyo, Japan
| | - Hideyuki Kanemoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kenjiro Fukushima
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Naoaki Matsuki
- Laboratory of Veterinary Clinical Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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15
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Hirabayashi M, Chambers JK, Sugawara M, Ohmi A, Tsujimoto H, Nakayama H, Uchida K. Blastic natural killer cell lymphoma/leukaemia in a cat. JFMS Open Rep 2019; 5:2055116919863080. [PMID: 31321069 PMCID: PMC6628536 DOI: 10.1177/2055116919863080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Case summary A 7-year-old mixed-breed cat presented with subcutaneous oedema and erythema
extending from the right axilla to the abdomen. Fine-needle aspiration of
the subcutaneous lesion revealed large, atypical, round cells. A clonality
analysis for the T-cell receptor-gamma and immunoglobulin heavy chain genes
showed no clonal rearrangement. The presumed diagnosis was lymphoma and the
cat was treated with prednisolone and L-asparaginase but died 78 days after
initial treatment. At necropsy, an oedematous subcutaneous mass in the right
axilla, hepatomegaly, splenomegaly and lymphadenopathy of the mediastinum
and left axilla were observed. Histopathological examination revealed
diffuse infiltration of large atypical round cells in the subcutaneous mass,
liver, spleen, lymph nodes and bone marrow. Immunohistochemically, the
tumour cells were strongly positive for CD56, and negative for CD3, CD20,
CD79a, CD57, granzyme B and perforin. Based on these findings, the cat was
diagnosed with blastic natural killer (NK) cell lymphoma/leukaemia. Relevance and novel information Here, we report the pathological and clinical findings of NK cell
lymphoma/leukaemia in a cat. The antibody for human CD56, a diagnostic
marker for human NK cell neoplasms, showed cross-reactivity with feline CD56
by immunohistochemistry and Western blotting analysis. The antibody could be
a useful diagnostic marker for feline NK cell neoplasms.
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Affiliation(s)
- Miyuki Hirabayashi
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - James K Chambers
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Mei Sugawara
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Laboratory of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Hiroyuki Nakayama
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan.,Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
| | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo, Japan
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16
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Tomita A, Mochizuki H, Tsuboi M, Ogura I, Igarashi H, Goto-Koshino Y, Takahashi M, Ohmi A, Tomiyasu H, Ohno K, Nakagawa T, Uchida K, Nishimura R, Tsujimoto H. Development of canine X-chromosome inactivation pattern analysis for the detection of cell clonality by incorporating the examination of the SLIT and NTRK-like family member 4 (SLITRK4) gene. Res Vet Sci 2019; 125:170-175. [PMID: 31247472 DOI: 10.1016/j.rvsc.2019.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 06/09/2019] [Accepted: 06/10/2019] [Indexed: 01/10/2023]
Abstract
X-chromosome inactivation pattern (XCIP) analysis can be used to assess the clonality of cell populations of various origin by distinguishing the methylated X chromosome from the unmethylated X chromosome. In this study, the utility of XCIP analysis was improved by incorporating the examination of AC dinucleotide repeats in SLIT and NTRK-like family member 4 (SLITRK4) gene into the previously reported CAG repeat examination of androgen receptor (AR) gene in dogs. The rate of heterozygosity when both genes were analysed (125/150, 83.3%) was higher than AR gene examination alone (86/150, 57.3%). Blood samples from heterozygous dogs in either AC-1 or AC-2 of SLITRK4 gene were examined for the corrected inactivation allele ratio (CIAR), resulting in the determination of a reference range of CIAR <3.8 in non-neoplastic cell/tissue samples. Using this analytical method, 49% (21/43) of neoplastic tissue samples from dogs showed a CIAR >3.8, indicating the presence of a clonal population. Through the present study, the availability of canine XCIP analysis was improved by incorporating the examination of the SLITRK4 gene, providing a highly useful laboratory examination system for the detection of the clonality of various cell/tissue samples in dogs.
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Affiliation(s)
- A Tomita
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - H Mochizuki
- Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, NC 27607, USA
| | - M Tsuboi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, the University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - I Ogura
- KOJIMA Animal Hospital, KOJIMA Co., Ltd., 3-60-21 Kameido, Koto-ku, Tokyo 136-8510, Japan
| | - H Igarashi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Y Goto-Koshino
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, the University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - M Takahashi
- Laboratory of Small Animal Internal Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima-shi, Kagoshima 890-0065, Japan
| | - A Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, the University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - H Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - K Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - T Nakagawa
- Department of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - K Uchida
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - R Nishimura
- Department of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - H Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.
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17
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Son NV, Uchida K, Thongtharb A, Chambers JK, Kishimoto TE, Tomiyasu H, Ohmi A, Tsujimoto H, Nakayama H. Establishment of cell line and in vivo mouse model of canine Langerhans cell histiocytosis. Vet Comp Oncol 2019; 17:345-353. [PMID: 30884050 DOI: 10.1111/vco.12476] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 03/13/2019] [Accepted: 03/13/2019] [Indexed: 12/18/2022]
Abstract
A cell line named FB-LCH01, derived from a dog diagnosed with Langerhans cell histiocytosis (LCH), was established and characterized. FB-LCH01 had C-shaped nucleoli, characterized by modal chromosome aberrations. The original tumour cells as well as established FB-LCH01 cells were immunopositive for human leukocyte antigen-DR, Iba-1 and E-cadherin, and immunonegative for CD163 and CD204, suggesting Langerhans cell origin. Furthermore, the characteristics of FB-LCH01 were compared with those of two canine histiocytic sarcoma cell lines (PWC-HS01 and FCR-HS02) established previously. Expression of E-cadherin was detected only in FB-LCH01, but not in PWC-HS01 and FCR-HS02. All (n = 9) the severe combined immunodeficiency mice inoculated with the FB-LCH01 cells developed subcutaneous tumour masses after 3 weeks. Eight of nine mice also developed metastatic lesions in the lymph nodes (8/8; 100%), lung (5/8; 62.5%), stomach (5/8; 62.5%), heart (4/8; 50%), pancreas (4/8; 50%), kidney (3/8; 37.5%), skin (3/8; 37.5%) and bone marrow (1/8; 12.5%). Tumour cells were pleomorphic and round- to polygonal-shaped with prominent anisocytosis and anisokaryosis. The xenotransplanted tumour cells maintained the immunohistochemical features of the original tumour with persistent E-cadherin expression at injection site and some visceral organs. In conclusion, the established cell line as well as the mice xenotransplant model in this study reflect the nature of canine LCH and may serve as promising models for investigating the patho-tumorigenesis and therapy of the disease.
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Affiliation(s)
- Nguyen V Son
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Atigan Thongtharb
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - James K Chambers
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takuya E Kishimoto
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hirotaka Tomiyasu
- Laboratory of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Aki Ohmi
- Laboratory of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hajime Tsujimoto
- Laboratory of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Nakayama
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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18
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Tomiyasu H, Doi A, Chambers JK, Goto-Koshino Y, Ohmi A, Ohno K, Tsujimoto H. Clinical and clinicopathological characteristics of acute lymphoblastic leukaemia in six cats. J Small Anim Pract 2018; 59:742-746. [DOI: 10.1111/jsap.12917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 05/21/2018] [Accepted: 07/21/2018] [Indexed: 12/31/2022]
Affiliation(s)
- H. Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - A. Doi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - J. K. Chambers
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - Y. Goto-Koshino
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - A. Ohmi
- Veterinary Medical Center, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - K. Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
| | - H. Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences; The University of Tokyo; 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657 Japan
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19
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Morita T, Ohmi A, Kiwaki A, Ike K, Nagata K. A New Stubby Species of Demodectic Mite (Acari: Demodicidae) From the Domestic Dog (Canidae). J Med Entomol 2018; 55:323-328. [PMID: 29309708 DOI: 10.1093/jme/tjx226] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Indexed: 06/07/2023]
Abstract
A new species of Demodex was detected in the earwax of a dog with otitis externa in Saitama Prefecture, Japan, in July 2010. The opisthosoma length of the mite was slightly shorter than 1/2 of its body length, which was different from the other species in domestic dogs, D. canis and D. injai, but was similar to the form of mites termed "short-bodied species", including D. cornei. However, the stubby external form was morphologically different from those of "short-bodied species", excluding a case without a species description reported from Greece. Among known species, the mite was similar to D. equi and D. acutipes.
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Affiliation(s)
- Tatsushi Morita
- Department of Veterinary Pathobiology, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Aki Ohmi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
- Pigeon Animal Care Hospital, Saitama, Japan
| | | | - Kazunori Ike
- Department of Veterinary Pathobiology, Nippon Veterinary and Life Science University, Tokyo, Japan
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20
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Ohmi A, Ohno K, Uchida K, Goto-Koshino Y, Tomiyasu H, Kanemoto H, Fukushima K, Tsujimoto H. Significance of clonal rearrangements of lymphocyte antigen receptor genes on the prognosis of chronic enteropathy in 22 Shiba dogs. J Vet Med Sci 2017; 79:1578-1584. [PMID: 28781326 PMCID: PMC5627332 DOI: 10.1292/jvms.16-0626] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Shiba dogs are predisposed to chronic enteropathy (CE) and have poorer prognosis than other dog breeds. The objective of this study was to investigate the significance of polymerase chain reaction for antigen receptor
rearrangement (PARR) results on clinical findings and prognosis of Shiba dogs with CE. We retrospectively collected data on 22 Shiba dogs diagnosed as having CE. Fifty-nine percent of the dogs had clonality-positive results on
PARR analysis. Furthermore, on histopathology, epitheliotropic behavior of small lymphocytes of the intestinal mucosa was observed significantly more frequently in dogs with clonal rearrangement of antigen receptor genes
(P=0.027). The median overall survival time of clonality-positive dogs was 48 days (range, 4–239 days), compared to 271 days (range, 45–1,316+ days) in clonality-negative dogs. The median overall survival time
of epitheliotropism-positive dogs was 76 days (range, 30–349 days) compared to 239 days (range, 4–1,316+ days) for epitheliotropism-negative dogs. Statistical analysis revealed that the clonality-positive result was associated
with significantly shorter survival time (P=0.036). In contrast, presence or absence of epitheliotropism had no statistically significant effect on survival time (P=0.223). These cases might
appropriately be diagnosed as small T-cell intestinal lymphoma; there are some common clinical and pathogenic features with human enteropathy-associated T-cell lymphoma type 2. The pathogenesis and poor prognosis for Shiba dogs
with CE seem to be associated with this type of lymphoma, although further investigation is warranted.
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Affiliation(s)
- Aki Ohmi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Ohno
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kazuyuki Uchida
- Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Yuko Goto-Koshino
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hirotaka Tomiyasu
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hideyuki Kanemoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kenjiro Fukushima
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Hajime Tsujimoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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21
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Fukushima K, Eguchi N, Ohno K, Kanemoto H, Takahashi M, Igarashi H, Ohmi A, Nakashima K, Tsujimoto H. Efficacy of leflunomide for treatment of refractory inflammatory colorectal polyps in 15 Miniature Dachshunds. J Vet Med Sci 2015; 78:265-9. [PMID: 26460312 PMCID: PMC4785116 DOI: 10.1292/jvms.15-0129] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [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] [Indexed: 12/02/2022] Open
Abstract
Inflammatory colorectal polyp (ICRP), common in miniature dachshunds, presents with hematochezia, tenesmus
and mucoid feces. Although an 80% response rate has been reported when treated with prednisolone and
cyclosporine, effective treatment is needed for the remaining 20% of ICRP dogs. Leflunomide is an
immunosuppressive drug reported as effective in several immune-mediated diseases. In the present study, we
retrospectively evaluated the efficacy and adverse effects of leflunomide in 15 ICRP dogs that were refractory
to treatment with prednisolone and cyclosporine. Treatment efficacy was assessed by endoscopy, clinical
symptoms and rectal palpation. Adverse effects were determined by clinical symptoms and blood testing during
follow-up. The leflunomide treatment response rate was 93.3%. The median dosage of leflunomide and the median
response time were 3 mg/kg (range: 1.7–4.0 mg/kg) and 35 days (range: 20–119 days), respectively. Adverse
effects observed included lethargy (3 dogs), anorexia (1 dog), respiratory symptoms (1 dog), leukocytopenia (2
dogs), thrombocytopenia (1 dog), anemia (1 dog) and liver enzyme elevation (8 dogs). Most of the adverse
effects improved with symptomatic treatment and leflunomide discontinuation or dosage reduction. In
conclusion, leflunomide treatment is effective in ICRP dogs refractory to treatment with prednisolone and
cyclosporine. Because several adverse effects were observed, close monitoring is needed during leflunomide
treatment follow-up.
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Affiliation(s)
- Kenjiro Fukushima
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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22
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Noguchi M, Ikeda T, Ikeda K, Suda S, Kodaira A, Ueno T, Ohmi A. Usefulness of the endotoxin activity assay as a biomarker to assess severity in ICU patients. Crit Care 2014. [PMCID: PMC4068168 DOI: 10.1186/cc13402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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23
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Igarashi H, Ohno K, Ohmi A, Tsukamoto A, Nakashima K, Fujino Y, Uchida K, Tsujimoto H. Polypoid adenomas secondary to inflammatory colorectal polyps in 2 miniature dachshunds. J Vet Med Sci 2012; 75:535-8. [PMID: 23154450 DOI: 10.1292/jvms.12-0166] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Two miniature dachshunds, a 7-year-old neutered male and an 8-year-old male, presented with chronic hematochezia and tenesmus. A solitary pedunculated or multiple diffuse colorectal polyps were identified by colonoscopy and resected by polypectomy. Inflammatory colorectal polyps (ICRPs) were diagnosed according to histopathological findings. Both cases were treated with immunosuppressive therapy, and the clinical signs were resolved, although the colorectal polyps remained to some extent. Several months after the initial diagnosis, both cases presented with recurrence of hematochezia and enlargement of the polyps. A second colonoscopic polypectomy was performed, and adenoma was diagnosed histopathologically in both cases. ICRPs are a nonneoplastic disease, but their long-term prognosis is unknown. Careful follow-up seems to be important, and repetitive biopsy is recommended when growth of polyps is identified in miniature dachshunds with ICRPs.
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Affiliation(s)
- Hirotaka Igarashi
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Science, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, Japan
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24
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Mizuta K, Aoki Y, Suto A, Ootani K, Katsushima N, Itagaki T, Ohmi A, Okamoto M, Nishimura H, Matsuzaki Y, Hongo S, Sugawara K, Shimizu H, Ahiko T. Cross-antigenicity among EV71 strains from different genogroups isolated in Yamagata, Japan, between 1990 and 2007. Vaccine 2009; 27:3153-8. [DOI: 10.1016/j.vaccine.2009.03.060] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2008] [Revised: 03/16/2009] [Accepted: 03/23/2009] [Indexed: 10/20/2022]
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25
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Tamamoto T, Ohno K, Ohmi A, Goto-Koshino Y, Tsujimoto H. Verification of measurement of the feline serum amyloid A (SAA) concentration by human SAA turbidimetric immunoassay and its clinical application. J Vet Med Sci 2008; 70:1247-52. [PMID: 19057145 DOI: 10.1292/jvms.70.1247] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Serum amyloid A (SAA) is one of the major acute phase proteins in cats that has potential to be used as an inflammatory marker. A previous study showed that the human SAA turbidimetric immunoassay (hSAA-TIA) could be used to measure the SAA concentration in cats. The objectives of the present study were to assess use of hSAA-TIA for determining the feline SAA concentration and to evaluate its clinical application. Recombinant feline SAA protein (rfSAA) was expressed in Escherichia coli and purified for SDS-PAGE and immunoblot analysis with anti-human SAA antibodies. The concentration of rfSAA was determined by ELISA and hSAA-TIA. Plasma SAA concentrations were measured in healthy and diseased cats by hSAA-TIA. The time-courses changes in the SAA and alpha1-acid glycoprotein (AGP) concentrations in the cats after ovariohysterectomy were investigated. In SDS-PAGE, rfSAA was detected as a clear band that reacted with anti-human SAA antibodies. There was significant correlation between the SAA concentration measured by ELISA and hSAA-TIA. The SAA concentration of the diseased cats (n=263) was significantly increased (P<0.01; 0.0-88.9 mg/l, mean: 7.52 mg/l) compared with that in the healthy cats (n=26; 0.0-0.9 mg/l, mean: 0.14 mg/l). No correlation was observed between SAA and WBC in the diseased cats. The SAA concentration changed more rapidly and remarkably than the AGP concentration after ovariohysterectomy. The present study revealed that hSAA-TIA is useful for determination of the feline SAA concentration. Measurement of the SAA concentration, in addition to the WBC count, would be clinically valuable as a routine test to detect inflammation.
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Affiliation(s)
- Takashi Tamamoto
- Department of Veterinary Internal Medicine, The University of Tokyo, Tokyo, Japan
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26
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Abstract
Time-course changes in the concentration of serum amyloid A (SAA), a major acute phase protein, were measured in a cat with pancreatitis over an 831-day period and compared with changes in WBC count and feline trypsin-like immunoreactivity (fTLI). SAA concentration was increased at the onset of the disease and gradually decreased over 5 days of treatment with an improvement in the clinical condition. In contrast, fTLI concentration and WBC count were not increased at the onset of the disease but increased gradually during the 5 days of treatment. Long-term monitoring from days 68 to 831 revealed a good correlation between SAA concentration and the reoccurrence of clinical signs in the cat; however, WBC count did not increase even with the exacerbation of disease. These findings suggest that the SAA concentration may be a useful marker for evaluating response to treatment and disease exacerbation in feline pancreatitis.
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Affiliation(s)
- Takashi Tamamoto
- Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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27
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Arata S, Ohmi A, Mizukoshi F, Baba K, Ohno K, Setoguchi A, Tsujimoto H. Urinary Transforming Growth Factor-.BETA.1 in Feline Chronic Renal Failure. J Vet Med Sci 2005; 67:1253-5. [PMID: 16397385 DOI: 10.1292/jvms.67.1253] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Transforming growth factor-beta1 (TGF-beta1), an inflammatory cytokine, plays a role in tissue fibrosis, such as glomerular sclerosis and tubulointerstitial fibrosis of the kidneys. In the present study, the urinary TGF-beta1 level of cats diagnosed with chronic renal failure (CRF) was measured to investigate its relationship to the pathogenesis of feline CRF. Urinary TGF-beta1 levels (TGF-beta1/creatinine ratio) were significantly increased compared with healthy controls, whereas serum levels of TGF-beta1 were not. These results indicate that TGF-beta1 is expressed in the kidneys of CRF cats, and that it was reflected in the urinary TGF-beta1 level. Therefore, TGF-beta1 may play a role in feline CRF, and urinary TGF-beta1 could be used as a clinical marker for renal fibrosis.
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Affiliation(s)
- Sayaka Arata
- Depertment of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
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28
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Ikeda T, Ikeda K, Ohmi A, Itoh S, Sugi M, Yoshimatsu N, Kamei T, Shimizu A, Isshiki A. [The influence of ulinastatin on renal function during anesthesia for renal transplantation]. Masui 1994; 43:516-22. [PMID: 8189615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The purpose of this study was to evaluate the influence of ulinastatin (UST) on renal function and changes in granulocyte elastase during anesthesia in 10 living related and 10 cadaveric renal transplantations. UST (300,000 units) was administered after the induction of anesthesia and renal vessel anastomosis, respectively. The living patients who received UST had greater urine volume during the operative and postoperative periods. In addition, the granulocyte elastase values of these patients showed relative suppressive changes during the intraoperative and postoperative periods. In cadaveric renal transplant patients, UST did not influence serum BUN or creatinine, although urine volume was greater in the UST-treated patients than in the patients who did not receive. We could not conclude that the intraoperative administration of UST affected the renal function of renal transplants, but we did find that UST is useful to suppress granulocyte elastase which is concerned with the index of stress or inflammation. It is necessary to investigate further the method of administration of UST for renal transplantation.
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Affiliation(s)
- T Ikeda
- Department of Anesthesiology, Hachiouji Medical Center, Tokyo Medical College
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29
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Isshiki A, Shuttou H, Shiraishi S, Minami Y, Fujita R, Ohmi A. [Use of vecuronium bromide for anesthesia for renal transplantation]. Masui 1990; 39:1525-8. [PMID: 1980317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We used vecuronium on 7 patients for renal transplants and recorded the muscle relaxant effect using an Anesthesia and Brain Monitor; we also compared them with patients with normal renal function. Results show that there were no significant differences between renal transplant patients and patients with normal renal functions in regard to the time of appearance of effect, duration of effect and recovery rate but the effect was somewhat prolonged in the renal transplant patients. Therefore, although vecuronium is said to be a muscle relaxant with little renal dependency, and it is used on renal transplant patients with renal insufficiency, the possibility of a prolonged effect must be considered. It is important to monitor continuously by a muscle relaxant monitor, grasp adequately the conditions of muscle relaxation, and observe carefully the postoperative respiratory conditions.
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Affiliation(s)
- A Isshiki
- Department of Anesthesiology, Hachioji Medical Center, Tokyo Medical College
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30
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Isshiki A, Minami Y, Yoshimatsu N, Kusagaya H, Fujita R, Ito S, Ohmi A. [Changes in catecholamine and immunoglobulin during anesthesia for cardiac surgery--a comparison of valve replacement and aorto-coronary bypass surgery]. Masui 1989; 38:1583-7. [PMID: 2614885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
During a period of extracorporeal circulation, which represents a massive invasion for the body, the patient is in a state of controlled shock. In this study, we examined changes in catecholamines and immunoglobulins in patients grouped according to whether they underwent valve replacement or aorto-coronary bypass surgery. Anesthesia was induced with fentanyl, and cardiopulmonary bypass in all patients was carried out using a bubble-type heart-lung machine. The epinephrine and norepinephrine levels increased during the procedures, but those patients having aorto-coronary bypass surgery showed milder rises than valve replacement patients. IgA, IgG and IgM all dropped as well, but the change in IgG was the greatest, and the decreases were more marked in valve replacement patients than in aorto-coronary bypass patients. It was concluded that, since reactions were different according to the disorder present and were reflected in the variations in catecholamine and immunoglobulin levels, great care is necessary when the patient is removed from the heart-lung machine.
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31
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Shibata S, Umezawa T, Ohmi A, Suzuki S, Konuma M, Kurihara T, Tadera M, Nakamura K. Evaluation of cardiovascular disease control programmes in selected working population in Japan. J UOEH 1989; 11 Suppl:75-83. [PMID: 2787522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- S Shibata
- Japan Research Organization of Industrial Health Care
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32
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Ikeda T, Ikeda K, Imoto Y, Ito S, Ohmi A, Issiki A, Kudo T. [The change in stress hormones after open heart surgery]. Masui 1988; 37:1070-3. [PMID: 2848141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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33
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Numazaki Y, Oshima T, Ohmi A, Tanaka A, Oizumi Y, Komatsu S, Takagi T, Karahashi M, Ishida N. A microplate method for isolation of viruses from infants and children with acute respiratory infections. Microbiol Immunol 1987; 31:1085-95. [PMID: 3444424 DOI: 10.1111/j.1348-0421.1987.tb01340.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Between December 1984 and December 1986, a microplate technique was adopted for isolation of viruses from infants and children with acute respiratory infections. By using two kinds of tissue culture microplates, i.e., the HHVM plate, containing human embryonic fibroblast (HEF), HEp-2, Vero and MDCK cells, and the MK plate which contains secondary monkey kidney cells, 1,080 field viruses were isolated from 1,061 (24.9%) out of 4,254 throat swabs. Of these 1,080 isolates, 1,003 (92.9%) were recovered in the HHVM plates and the remaining 77 (7.1%) in the MK plates. With the HHVM plate, influenza A and B viruses were cultivated in MDCK, RS virus in HEp-2, parainfluenza and mumps viruses in Vero, adenoviruses in both HEF and HEp-2, polioviruses in HEF, HEp-2 and Vero, coxsackie B viruses in both HEp-2 and Vero, rhino and echo viruses in HEF, herpes simplex virus in both HEF and HEp-2, and cytomegalovirus in HEF, although MK were more sensitive than Vero to parainfluenza and coxsackie B viruses. There was no difference in the rate of isolation of viruses between the microplate and ordinary tube methods. Cross contamination in the microplates was negligible for routine work.
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Affiliation(s)
- Y Numazaki
- Virus Center, Sendai National Hospital, Miyagi
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34
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Nakamura K, Ohmi A, Suzuki S, Konuma M, Kurihara T, Tadera M, Shibata S. [Observations on mortality in selected working populations]. Sangyo Igaku 1984; 26:303-14. [PMID: 6530814 DOI: 10.1539/joh1959.26.303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Mortality among employees of selected enterprises in which excellent health care programmes are carried on, was observed to evaluate employees' health levels and to establish objectives for future health care programmes. Also, these data were compared with those for all Japanese and for Japanese employees belonging to the corresponding occupational groups. Seventy-three enterprises which continuously participated in the mortality survey implemented by the Japan Research Organization of Industrial Health Care for the period between 1976 and 1980, were subjected to this study. The observed employees amounted to 3,502,580 person-years. Sex and age distributions of the employees were available for 47 enterprises and the observed employees totalled 2,598,672 person-years. The main results are as follows: Mortality rate (per 100,000) is stable between 140 and 150 throughout the observed period and the average value is 145.0. The average mortality rate for males, aged 40 to 54, is 272.6. Malignant neoplasms were the main cause of death and account for 37-38%. In second place and below are heart diseases, cerebrovascular diseases, accidents, suicide and liver cirrhosis. Malignant neoplasms, especially of the stomach, lung and pancreas, show a trend to increase, and cerebrovascular diseases and liver cirrhosis show a trend to decrease. Among heart diseases, ischemic heart disease accounts for about 40% and shows no marked fluctuation. Among cerebrovascular diseases, the relative frequency of subarachnoid hemorrhage is increasing. Comparing the mortality rates for males aged 40 to 54 by industry, "Iron, steel & nonferrous metal manufacturing" and "Electricity and gas supply" show significantly higher values, and "Finance & insurance" and "Communications" show significantly lower values than the total. The distribution of main causes of death for males, aged 40 to 54, was compared by major occupational groups using Proportional Mortality Ratio (PMR). A significantly high frequency of malignant neoplasms (especially of the stomach) is observed for "Professional & technical workers, managers and officials" and that of suicide for "Craftmen, production process workers and labourers" and that of cerebrovascular diseases (especially cerebral hemorrhage) for "Protective service workers." Standardized Mortality Ratio (SMR) for males, aged 20 to 54, from all causes of death, calculated on the basis of all Japanese males in 1978 is 0.57. SMR for this population from malignant neoplasms is 0.89.(ABSTRACT TRUNCATED AT 400 WORDS)
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