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Nagato T, Komatsuda H, Hayashi R, Takahara M, Ujiie N, Kosaka A, Ohkuri T, Oikawa K, Sato R, Wakisaka R, Kono M, Yamaki H, Ohara K, Kumai T, Kishibe K, Katada A, Hayashi T, Kobayashi H. Soluble CD27 as a predictive biomarker for intra-tumoral CD70/CD27 interaction in nasopharyngeal carcinoma. Cancer Sci 2024; 115:1073-1084. [PMID: 38279834 PMCID: PMC11007004 DOI: 10.1111/cas.16079] [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: 09/01/2023] [Revised: 12/26/2023] [Accepted: 01/04/2024] [Indexed: 01/29/2024] Open
Abstract
In CD70-expressing tumors, the interaction of CD70 on tumor cells with its lymphocyte receptor, CD27, is thought to play a role in immunosuppression in the tumor microenvironment and elevated serum levels of soluble CD27 (sCD27). Previous studies showed that CD70 is expressed in nasopharyngeal carcinoma (NPC), an Epstein-Barr virus (EBV)-related malignancy. However, the association between intratumoral CD70/CD27 expression and serum levels of sCD27 in NPC remains unclear. In the present study, we show that CD70 is primarily expressed by tumor cells in NPC and that CD27-positive lymphocytes infiltrate around tumor cells. NPC patients with CD27-positive lymphocytes had significantly better prognosis than patients lacking these cells. In addition, high CD70 expression by tumor cells tended to be correlated with shorter survival in NPC patients with CD27-positive lymphocytes. Serum sCD27 levels were significantly increased in patients with NPC and provided good diagnostic accuracy for discriminating patients from healthy individuals. The concentration of serum sCD27 in patients with CD70-positive NPC with CD27-positive lymphocytes was significantly higher than in patients with tumors negative for CD70 and/or CD27, indicating that the intratumoral CD70/CD27 interaction boosts the release of sCD27. Furthermore, positive expression of CD70 by NPC cells was significantly correlated with EBV infection. Our results suggest that CD70/CD27-targeted immunotherapies may be promising treatment options and that sCD27 may become an essential tool for evaluating the applicability of these therapies by predicting the intratumoral CD70/CD27 interaction in NPC.
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Affiliation(s)
- Toshihiro Nagato
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Hiroki Komatsuda
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Ryusuke Hayashi
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Miki Takahara
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
- Department of Innovative Head and Neck Cancer Research and TreatmentAsahikawa Medical UniversityAsahikawaJapan
| | - Nanami Ujiie
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
- Department of Thoracic Surgery and Breast SurgeryAsahikawa Medical University HospitalAsahikawaJapan
| | - Akemi Kosaka
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Takayuki Ohkuri
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Kensuke Oikawa
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Ryosuke Sato
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Risa Wakisaka
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Michihisa Kono
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Hidekiyo Yamaki
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Kenzo Ohara
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Takumi Kumai
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
- Department of Innovative Head and Neck Cancer Research and TreatmentAsahikawa Medical UniversityAsahikawaJapan
| | - Kan Kishibe
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Akihiro Katada
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Tatsuya Hayashi
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Hiroya Kobayashi
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
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Sato R, Yuasa R, Kumai T, Wakisaka R, Komatsuda H, Kono M, Yamaki H, Ishida Y, Wada T, Takahara M, Katada A. Efficacy of Cetuximab Combined with Paclitaxel in Patients with Recurrent Salivary Gland Carcinoma: A Retrospective Observational Study. ORL J Otorhinolaryngol Relat Spec 2023; 86:41-49. [PMID: 38091970 DOI: 10.1159/000534516] [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: 06/16/2023] [Accepted: 10/04/2023] [Indexed: 02/22/2024]
Abstract
INTRODUCTION Due to the rarity and various histological types, a standard chemotherapy regimen for recurrent or metastatic salivary gland carcinoma (SGC) has not been established. Molecular-targeted therapy is a novel cancer therapy based on the expression of target molecules. However, few molecular-targeted therapy types have shown satisfactory efficacy for patients with SGC. Our study described promising results of epidermal growth factor receptor (EGFR)-targeting therapy with paclitaxel in patients with SGC. METHODS The medical records of patients with recurrent SGC treated with weekly cetuximab combined with paclitaxel (Cmab-PTX) between December 2017 and December 2022 at our institutions were retrospectively analyzed. RESULTS Seven patients with SGC received Cmab-PTX therapy. The median age was 76 years. All patients were high-grade histological types, and EGFR expression was positive in all examined patients. Cmab-PTX was administered for a median period of 20 months (range of 2-36 months). The overall responses were three with complete response, two with partial response, one with stable disease (>24 weeks), and one with progressive disease. The objective response and disease control rates were 71.4% and 85.7%, respectively. Progression-free survival ranged between 2 and 36 months (median 12 months), whereas overall survival ranged between 4 and 111 months (median 36 months). One patient experienced a grade 4 adverse event (neutropenia), which was conservatively manageable. CONCLUSION Although the treatment sensitivity of SGC with high-grade histological types is usually poor, Cmab-PTX could be a promising treatment regimen for recurrent SGC. Due to the rarity and various histological types, a standard chemotherapy regimen for recurrent or metastatic salivary gland carcinoma (SGC) has not been established. Molecular-targeted therapy is a novel cancer therapy based on the expression of target molecules. However, few molecular-targeted therapy types have shown satisfactory efficacy in patients with SGC. Our study described promising results of cetuximab (Cmab), epidermal growth factor receptor (EGFR)-targeting therapy with paclitaxel (PTX) in patients with SGC. Seven patients with SGC received Cmab-PTX therapy. The median age was 76 years. All patients were high-grade histological types, and EGFR expression was positive in all examined patients. Cmab-PTX was administered for a median period of 20 months. The overall responses were three with complete response, two with partial response, one with stable disease (>24 weeks), and one with progressive disease. The objective response rate was 71.4%. Progression-free survival ranged between 2 and 36 months (median 12 months), whereas overall survival ranged between 4 and 111 months (median 36 months). One patient experienced a grade 4 adverse event (neutropenia), which was conservatively manageable. Our study revealed a preferable objective response rate of Cmab-PTX for patients with high-grade SGC. Although the treatment sensitivity of SGC with high-grade histological types is usually poor, Cmab-PTX could be a promising treatment regimen for recurrent SGC.
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Affiliation(s)
- Ryosuke Sato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
- Department of Otolaryngology, Kitami Red Cross Hospital, Kitamishi, Japan
| | - Ryota Yuasa
- Department of Otolaryngology, Kitami Red Cross Hospital, Kitamishi, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
- Department of Otolaryngology, Kitami Red Cross Hospital, Kitamishi, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yoshiya Ishida
- Department of Otolaryngology, Kitami Red Cross Hospital, Kitamishi, Japan
| | - Tetsuji Wada
- Department of Otolaryngology, Kitami Red Cross Hospital, Kitamishi, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
- Department of Innovative Head and Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
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Hayashi S, Kumai T, Kishibe K, Takahara M, Katada A, Hayashi T. Internal carotid artery dissection caused by elongated styloid process. Auris Nasus Larynx 2023; 50:968-972. [PMID: 36764863 DOI: 10.1016/j.anl.2023.01.011] [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: 11/14/2022] [Revised: 12/13/2022] [Accepted: 01/11/2023] [Indexed: 02/11/2023]
Abstract
A 69-year-old man with impaired consciousness, right hemiplegia, and aphasia was admitted to our emergency room for thorough examination. Magnetic resonance imaging (MRI) and 3-dimensional computed tomography (3D CT) scan of the head revealed a cerebral infarction due to dissection of the left internal carotid artery. Contrast-enhanced CT prior to internal carotid artery stenting showed that the left elongated styloid process ran in close proximity to the left internal carotid artery, with a minimum distance of 2 mm. The patient underwent stenting at the internal carotid artery 16 days after disease onset. The patient was referred to our department for left elongated styloid process resection to reduce the risk of further internal carotid artery injury. Resection of the left styloid process through a cervical incision was performed. Six months after surgery, there was no recurrence of the internal carotid artery dissection.
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Affiliation(s)
- Shuto Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan.
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
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Yamaki H, Kono M, Wakisaka R, Komatsuda H, Kumai T, Hayashi R, Sato R, Nagato T, Ohkuri T, Kosaka A, Ohara K, Kishibe K, Takahara M, Hayashi T, Kobayashi H, Katada A. Brachyury-targeted immunotherapy combined with gemcitabine against head and neck cancer. Cancer Immunol Immunother 2023:10.1007/s00262-023-03460-0. [PMID: 37173455 DOI: 10.1007/s00262-023-03460-0] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023]
Abstract
Brachyury is a transcription factor belonging to the T-box gene family and is involved in the posterior formation of the mesoderm and differentiation of chordates. As the overexpression of Brachyury is a poor prognostic factor in a variety of cancers, the establishment of Brachyury-targeted therapy would be beneficial for the treatment of aggressive tumors. Because transcription factors are difficult to treat with a therapeutic antibody, peptide vaccines are a feasible approach for targeting Brachyury. In this study, we identified Brachyury-derived epitopes that elicit antigen-specific and tumor-reactive CD4+ T cells that directly kill tumors. T cells recognizing Brachyury epitopes were present in patients with head and neck squamous cell carcinoma. Next, we focused on gemcitabine (GEM) as an immunoadjuvant to augment the efficacy of antitumor responses by T cells. Interestingly, GEM upregulated HLA class I and HLA-DR expression in tumor, followed by the upregulation of anti-tumor T cell responses. As tumoral PD-L1 expression was also augmented by GEM, PD-1/PD-L1 blockade and GEM synergistically enhanced the tumor-reactivity of Brachyury-reactive T cells. The synergy between the PD-1/PD-L1 blockade and GEM was also confirmed in a mouse model of head and neck squamous cell carcinoma. These results suggest that the combined treatment of Brachyury peptide with GEM and immune checkpoint blockade could be a promising immunotherapy against head and neck cancer.
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Affiliation(s)
- Hidekiyo Yamaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan.
- Department of Innovative Head and Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan.
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Ryosuke Sato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
- Department of Innovative Head and Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, 078-8510, Japan
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Yuzawa S, Michizuka T, Kakisaka R, Ono Y, Hayashi M, Takahara M, Katada A, Mizukami Y, Tanino M. Low-grade papillary Schneiderian carcinoma with TP53 mutation: a case report and review of the literature. Diagn Pathol 2023; 18:44. [PMID: 37041626 PMCID: PMC10088127 DOI: 10.1186/s13000-023-01334-8] [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] [Received: 02/05/2023] [Accepted: 04/03/2023] [Indexed: 04/13/2023] Open
Abstract
BACKGROUND Low-grade papillary Schneiderian carcinoma (LGPSC) is a relatively new entity of the sinonasal tract and is characterized by a bland morphology simulating sinonasal papilloma, invasive growth pattern with pushing borders, and aggressive clinical behavior with multiple recurrences and metastatic potential. Recently, DEK::AFF2 fusions were identified in LGPSC. However, some LPGSCs lack DEK::AFF2 fusion, and the molecular features of these tumors have not been clarified. CASE PRESENTATION A 69-year-old man presented with a discharge of pus from his left cheek. Computed tomography revealed a mass involving the left maxillary sinus, ethmoid sinus, and nasal cavity with the destruction of the orbital wall. The biopsy specimens showed that the tumor had a predominantly exophytic, papillary growth and did not have an apparent stromal invasion. The tumor was composed of multilayered epithelium that showed bland morphology with a round to polygonal shape, abundant eosinophilic cytoplasm, and uniform nuclei. Dense neutrophilic infiltrates were focally present. Immunohistochemically, CK5/6 was strongly and diffusely positive, and p16 was negative. p63 was mainly positive in the basal layer, and EMA was predominantly expressed in the outermost cell layer. DNA-based targeted sequencing showed TP53 R175H mutation, whereas neither EGFR nor KRAS mutation was identified. Reverse transcription polymerase chain reaction and fluorescence in situ hybridization revealed no DEK::AFF2 fusion. CONCLUSIONS We describe the first case of TP53-mutant LGPSC and review the literature. LGPSC is a genetically heterogeneous entity, and the recognition of this rare entity and comprehensive assessment of clinicopathological and molecular findings are crucial for the correct pathological diagnosis and clinical management.
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Affiliation(s)
- Sayaka Yuzawa
- Department of Diagnostic Pathology, Asahikawa Medical University Hospital, 2-1-1-1, Midorigaoka Higashi, Asahikawa, Hokkaido, 078-8510, Japan
| | - Tomohiko Michizuka
- Department of Otolaryngology Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Rika Kakisaka
- Institute of Biomedical Research, Sapporo Higashi Tokushukai Hospital, Sapporo, Hokkaido, Japan
| | - Yusuke Ono
- Institute of Biomedical Research, Sapporo Higashi Tokushukai Hospital, Sapporo, Hokkaido, Japan
- Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Manami Hayashi
- Department of Diagnostic Pathology, Asahikawa Medical University Hospital, 2-1-1-1, Midorigaoka Higashi, Asahikawa, Hokkaido, 078-8510, Japan
| | - Miki Takahara
- Department of Otolaryngology Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Akihiro Katada
- Department of Otolaryngology Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Yusuke Mizukami
- Institute of Biomedical Research, Sapporo Higashi Tokushukai Hospital, Sapporo, Hokkaido, Japan
- Department of Medicine, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Mishie Tanino
- Department of Diagnostic Pathology, Asahikawa Medical University Hospital, 2-1-1-1, Midorigaoka Higashi, Asahikawa, Hokkaido, 078-8510, Japan.
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Nagato T, Komatsuda H, Hayashi R, Takahara M, Kishibe K, Yasuda S, Yajima Y, Kosaka A, Ohkuri T, Oikawa K, Harabuchi S, Kono M, Yamaki H, Wakisaka R, Hirata-Nozaki Y, Ohara K, Kumai T, Katada A, Hayashi T, Harabuchi Y, Kobayashi H. Expression of soluble CD27 in extranodal natural killer/T-cell lymphoma, nasal type: potential as a biomarker for diagnosis and CD27/CD70-targeted therapy. Cancer Immunol Immunother 2023:10.1007/s00262-023-03394-7. [PMID: 36811663 DOI: 10.1007/s00262-023-03394-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 08/17/2022] [Accepted: 01/31/2023] [Indexed: 02/24/2023]
Abstract
The engagement of CD27 on lymphocytes with its ligand, CD70, on tumors is believed to mediate tumor immune evasion and the elevation of serum soluble CD27 (sCD27) levels in patients with CD70-positive malignancies. We previously showed that CD70 is expressed in extranodal natural killer/T-cell lymphoma, nasal type (ENKL), an Epstein-Barr virus (EBV)-related malignancy. However, little is known about serum sCD27 expression and its association with the clinical characteristics of, and the CD27/CD70 interaction in, ENKL. In the present study, we show that serum sCD27 is significantly elevated in the sera of patients with ENKL. The levels of serum sCD27 provided excellent diagnostic accuracy for discriminating patients with ENKL from healthy subjects, correlated positively with the levels of other diagnostic markers (lactate dehydrogenase, soluble interleukin-2 receptor, and EBV-DNA), and decreased significantly following treatment. Elevated serum sCD27 levels also correlated significantly with advanced clinical stage and tended to correspond with shorter survival, in patients with ENKL. Immunohistochemistry indicated that CD27-positive tumor-infiltrating immune cells exist adjacent to CD70-positive lymphoma cells. In addition, serum sCD27 levels in patients with CD70-positive ENKL were significantly higher than those in patients with CD70-negative ENKL, suggesting that the intra-tumoral CD27/CD70 interaction boosts the release of sCD27 in serum. Furthermore, the EBV-encoded oncoprotein latent membrane protein 1 upregulated CD70 expression in ENKL cells. Our results suggest that sCD27 may serve as a novel diagnostic biomarker and also may serve as a tool for evaluating the applicability of CD27/CD70-targeted therapies by predicting intra-tumoral CD70 expression and CD27/CD70 interaction in ENKL.
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Affiliation(s)
- Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan.
| | - Hiroki Komatsuda
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan.,Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Research for Diagnosis and Treatment of Head and Neck Cancer, Asahikawa Medical University, Asahikawa, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Shunsuke Yasuda
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan.,Respiratory and Breast Center, Asahikawa Medical University Hospital, Asahikawa, Japan
| | - Yuki Yajima
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan.,Department of Oral and Maxillofacial Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan
| | - Kensuke Oikawa
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan
| | - Shohei Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yui Hirata-Nozaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Research for Diagnosis and Treatment of Head and Neck Cancer, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Otolaryngology-Head and Neck Surgery, Hokuto Hospital, Obihiro, Japan
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, 2-1-1-1 Midorigaoka-Higashi, Asahikawa, 078-8510, Japan.
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Takahara M, Sabusawa T, Ohara K, Katada A, Hayashi T, Harabuchi Y. Treatment outcomes of sialendoscopy for submandibular gland sialolithiasis. Auris Nasus Larynx 2023:S0385-8146(23)00024-X. [PMID: 36775770 DOI: 10.1016/j.anl.2023.01.006] [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] [Received: 08/20/2022] [Revised: 11/10/2022] [Accepted: 01/24/2023] [Indexed: 02/13/2023]
Abstract
OBJECTIVE Sialendoscopy is a procedure used to remove salivary stones intraorally using a sialendoscope. In this study, we identified treatment outcomes of sialendoscopic surgery and identified predictive factors for successful stone removal by sialendoscopy alone. METHODS We assembled the medical records of 144 patients who underwent sialendoscopic surgery for submandibular gland sialolithiasis at the Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, from October 2010 to November 2021, and collected patient backgrounds, medical condition, perioperative factors including operation method and complications, postoperative course, and stone constituents from a clinical laboratory testing company. RESULTS Submandibular gland stones were successfully removed using sialendoscopy in 58 patients (40%). In multivariate analysis, location, major axis, and mobility of the stones were independent factors for successful removal. In receiver operating characteristic analysis, <7.5 mm of a major axis may be used as a measuring standard for successful removal. Removal of parenchymal stones is prone to involve prolonged operation times, increased postoperative complications, and development of retained stones. The stones mainly consisted of calcium phosphate and protein, with content percentages ranging from 0 to 98% (median 37%) and from 0 to 100% (median 63%), respectively. The percentage of calcium phosphate was negatively correlated with the number of floating stones and successful stone removal. CONCLUSION Sialendoscopy is an aesthetically attractive treatment for sialolithiasis that avoids cervical incisions. The present results showed not only known but also new predictive factors for the successful removal of stones (<7.5 mm) and percentage of calcium phosphate. Moreover, our results suggest that careful consideration is required regarding the indication of sialendoscopic surgery in patients with parenchymal stones.
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Affiliation(s)
- Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Hokkaido, Japan.
| | - Tomoaki Sabusawa
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Hokkaido, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Hokkaido, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Hokkaido, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Hokkaido, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Hokuto Hospital, Obihiro, Hokkaido, Japan
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8
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Ohara K, Takahara M, Kumai T, Yamashina M, Kishibe K, Katada A, Hayashi T. Treatment outcomes of alternating chemoradiotherapy for nasopharyngeal carcinoma: a single-center safety and efficacy study. Braz J Otorhinolaryngol 2022; 89:440-446. [PMID: 36682990 PMCID: PMC10164767 DOI: 10.1016/j.bjorl.2022.12.004] [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] [Received: 07/08/2022] [Accepted: 12/19/2022] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE To evaluate the efficacy and safety of Alternating Chemoradiotherapy (ACRT) using cisplatin and 5-Fluorouracil (5-FU) in patients with nasopharyngeal carcinoma. METHODS This was a retrospective study in which patients' clinical records were reviewed to identify patients with a new diagnosis of nasopharyngeal carcinoma at our institution between January 2005 and January 2019. Thirty-seven eligible patients were identified; of these, the clinical details of 27 patients treated with ACRT were evaluated. Patient outcomes, including overall survival and progression-free survival, and adverse events were assessed. RESULTS Of these initial 37 patients, 1, 10, 13, 10, and 3 were staged as I, II, III, IVA, and IVB, respectively, as defined by the 8th edition of the TNM classification system. Twenty-seven patients received ACRT comprising sequential administration of chemotherapy, radiotherapy (wide field), chemotherapy, radiotherapy (shrinking field), and chemotherapy. The 5-year overall survival and progression-free survival rates were 83.7% and 88.9%, respectively. Treatment compliance was 93%, which is comparable to that of previous reports. CONCLUSION ACRT using cisplating and 5-fluorouracil was well tolerated with acceptable efficacy. LEVEL OF EVIDENCE IVa.
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Affiliation(s)
- Kenzo Ohara
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan.
| | - Miki Takahara
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan
| | - Takumi Kumai
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan; Asahikawa Medical University, Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa, Japan
| | - Masaaki Yamashina
- Asahikawa Medical University, Department of Radiology, Asahikawa, Japan
| | - Kan Kishibe
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan
| | - Akihiro Katada
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan
| | - Tatsuya Hayashi
- Asahikawa Medical University, Department of Otolaryngology-Head and Neck Surgery, Asahikawa, Japan
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9
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Komatsuda H, Wakisaka R, Kono M, Kumai T, Hayashi R, Yamaki H, Sato R, Nagato T, Ohkuri T, Kosaka A, Ohara K, Takahara M, Katada A, Kobayashi H. Mitogen-activated protein kinase inhibition augments the T cell response against HOXB7-expressing tumor through human leukocyte antigen upregulation. Cancer Sci 2022; 114:399-409. [PMID: 36285482 PMCID: PMC9899601 DOI: 10.1111/cas.15619] [Citation(s) in RCA: 2] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/24/2022] [Accepted: 09/29/2022] [Indexed: 01/07/2023] Open
Abstract
Homeobox B7 (HOXB7) is a master regulatory gene that regulates cell proliferation and activates oncogenic pathways. Overexpression of HOXB7 correlates with aggressive behavior and poor prognosis in patients with cancer. However, the expression and role of HOXB7 in head and neck squamous cell carcinoma (HNSCC) remain unclear. In this study, we observed that most samples from patients with oropharyngeal cancer and HNSCC expressed HOXB7. As no direct inhibitor has been reported, we identified a potent peptide epitope to target HOXB7-expressing tumors through immune cells. A novel HOXB7-derived peptide epitope (HOXB78-25 ) elicited antigen-specific and tumor-reactive promiscuous CD4+ T cell responses. These CD4+ T cells produced γ-interferon (IFN-γ) and had the direct ability to kill tumors through granzyme B. Notably, downregulation of HOXB7 using siRNA enhanced human leukocyte antigen class II expression on tumor cells by decreasing the phosphorylation of MAPK. Mitogen-activated protein kinase inhibition augmented IFN-γ production by HOXB7-reactive CD4+ T cell responses without decreasing the expression of HOXB7. These results suggest that combining HOXB7 peptide-based vaccine with MAPK inhibitors could be an effective immunological strategy for cancer treatment.
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Affiliation(s)
- Hiroki Komatsuda
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Risa Wakisaka
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Michihisa Kono
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Takumi Kumai
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan,Department of Innovative Head and Neck Cancer Research and TreatmentAsahikawa Medical UniversityAsahikawaJapan
| | - Ryusuke Hayashi
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Hidekiyo Yamaki
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Ryosuke Sato
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Toshihiro Nagato
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Takayuki Ohkuri
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Akemi Kosaka
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
| | - Kenzo Ohara
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Miki Takahara
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan,Department of Innovative Head and Neck Cancer Research and TreatmentAsahikawa Medical UniversityAsahikawaJapan
| | - Akihiro Katada
- Department of Otolaryngology‐Head and Neck SurgeryAsahikawa Medical UniversityAsahikawaJapan
| | - Hiroya Kobayashi
- Department of PathologyAsahikawa Medical UniversityAsahikawaJapan
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10
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Harabuchi S, Khan O, Bassiri H, Yoshida T, Okada Y, Takizawa M, Ikeda O, Katada A, Kambayashi T. Manipulation of diacylglycerol and ERK-mediated signaling differentially controls CD8 + T cell responses during chronic viral infection. Front Immunol 2022; 13:1032113. [PMID: 36846018 PMCID: PMC9951774 DOI: 10.3389/fimmu.2022.1032113] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/07/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction Activation of T cell receptor (TCR) signaling is critical for clonal expansion of CD8+ T cells. However, the effects of augmenting TCR signaling during chronic antigen exposure is less understood. Here, we investigated the role of diacylglycerol (DAG)-mediated signaling downstream of the TCR during chronic lymphocytic choriomeningitis virus clone 13 (LCMV CL13) infection by blocking DAG kinase zeta (DGKζ), a negative regulator of DAG. Methods We examined the activation, survival, expansion, and phenotype of virus-specific T cell in the acute and chronic phases of LCMV CL13-infected in mice after DGKζ blockade or selective activation of ERK. Results Upon LCMV CL13 infection, DGKζ deficiency promoted early short-lived effector cell (SLEC) differentiation of LCMV-specific CD8+ T cells, but this was followed by abrupt cell death. Short-term inhibition of DGKζ with ASP1570, a DGKζ-selective pharmacological inhibitor, augmented CD8+ T cell activation without causing cell death, which reduced virus titers both in the acute and chronic phases of LCMV CL13 infection. Unexpectedly, the selective enhancement of ERK, one key signaling pathway downstream of DAG, lowered viral titers and promoted expansion, survival, and a memory phenotype of LCMV-specific CD8+ T cells in the acute phase with fewer exhausted T cells in the chronic phase. The difference seen between DGKζ deficiency and selective ERK enhancement could be potentially explained by the activation of the AKT/mTOR pathway by DGKζ deficiency, since the mTOR inhibitor rapamycin rescued the abrupt cell death seen in virus-specific DGKζ KO CD8+ T cells. Discussion Thus, while ERK is downstream of DAG signaling, the two pathways lead to distinct outcomes in the context of chronic CD8+ T cell activation, whereby DAG promotes SLEC differentiation and ERK promotes a memory phenotype.
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Affiliation(s)
- Shohei Harabuchi
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Omar Khan
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Hamid Bassiri
- Division of Infectious Diseases, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Taku Yoshida
- Immuno-Oncology, Astellas Pharma Inc., Tsukuba, Japan
| | - Yohei Okada
- Immuno-Oncology, Astellas Pharma Inc., Tsukuba, Japan
| | - Masaomi Takizawa
- Research Program Management-Applied Research Management, Astellas Pharma Inc., Tokyo, Japan
| | - Osamu Ikeda
- Immuno-Oncology, Astellas Pharma Inc., Tsukuba, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Taku Kambayashi
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
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11
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Ohara K, Katada A, Kumai T, Ominato H, Hirata-Nozaki Y, Sabusawa T, Yamaki H, Kono M, Komatsuda H, Wakisaka R, Takahara M, Hayashi T, Harabuchi Y. Central-part laryngectomy after laryngotracheal separation to manage pharyngocutaneous fistula: A case report and retrospective analysis of 12 cases. Auris Nasus Larynx 2022:S0385-8146(22)00124-9. [PMID: 35568581 DOI: 10.1016/j.anl.2022.04.011] [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] [Received: 01/14/2022] [Revised: 04/15/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022]
Abstract
A 15-year-old girl presented with a 3-year-history of continuous outflow of saliva from a pharyngocutaneous fistula, located at 5 mm superior to her tracheal stoma. She was diagnosed with Miller-Dieker syndrome at birth. At 2 years of age, pediatric surgeons at our institution carried out laryngotracheal separation to prevent aspiration pneumonia. At the age of 12 years, she developed continuous saliva discharge from the fistula. We performed central-part laryngectomy and resection of the pharyngocutaneous fistula, which relieved her from the continuous saliva discharge. Central-part laryngectomy is less invasive and easier to perform than total laryngectomy. We hereby present a case and retrospective analysis of 12 patients, who underwent central-part laryngectomy.
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Affiliation(s)
- Kenzo Ohara
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan.
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Takumi Kumai
- Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Asahikawa, Japan
| | - Hisataka Ominato
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Yui Hirata-Nozaki
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Tomoaki Sabusawa
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan; Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck surgery, Asahikawa Medical University, 2-1-1-1, Midorigaoka-Higashi, Asahikawa 078-8510, Japan
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12
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Kono M, Yamaki H, Komatsuda H, Kumai T, Hayashi R, Wakisaka R, Sato R, Ohara K, Kishibe K, Takahara M, Katada A, Hayashi T, Harabuchi Y. IL-2 complex recovers steroid-induced inhibition in immunochemotherapy for head and neck cancer. Transl Oncol 2022; 18:101358. [PMID: 35123188 PMCID: PMC8819385 DOI: 10.1016/j.tranon.2022.101358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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] [Received: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 12/12/2022] Open
Abstract
Steroid diminished the antitumor effect of combination therapy with anti-PD-1 Ab and CDDP in an HNSCC mouse model by reducing the T cell proliferation and suppressing memory T cells. In vitro assessment using antigen-specific T cells demonstrated that steroid induced apoptosis, decreased proliferation, and reduced tumor cytotoxicity. IL-2 or IL-2 Cx restored steroid-induced immunosuppression of T cells by restoring the proliferation and function of T cells in vitro and in vivo.
Background: A combination therapy with immune checkpoint inhibitors (ICIs) and platinum-based chemotherapy has become the first-line treatment for recurrent or metastatic head and neck squamous carcinoma (HNSCC). Although steroids are often used as anti-emetic medications during chemotherapy, their adverse effects on immune-combined chemotherapy are unclear in HNSCC. Methods: The effects of dexamethasone on tumor growth and immune cell population were evaluated in a mouse HNSCC model treated with PD-1 blockade combined with cisplatin. The effect of various doses of dexamethasone on cell proliferation, survival, surface markers, IFN-γ production, and antitumor effects in antigen-specific T cells was examined in vitro. The recovery of T cell dysfunction by IL-2 was assessed in vitro and in vivo. Results: In a mouse HNSCC model, dexamethasone showed limited antitumor effects on immunochemotherapy. Dexamethasone decreased the number of T cells and inhibited T cell differentiation into effector and central memory T cells. In the in vitro assessment, dexamethasone induced cell death, limited proliferation, and reduced the reactivity against HNSCC cell lines of antigen-specific T cells in a dose-dependent manner. The expression of inhibitory receptors on T cells was not affected by steroids. This inhibition was recovered by IL-2 and IL-2/anti-IL-2 complexes (IL-2 Cx) in vitro and in vivo, respectively. Conclusion: Our preclinical data indicate that dexamethasone diminishes the antitumor effects of immunochemotherapy in patients with HNSCC. IL-2 Cx recovered the inhibition of antitumor immunity by steroids and might be a potent immune adjuvant for patients who require steroids during PD-1 blockade and chemotherapy.
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Affiliation(s)
- Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan; Department of Innovative Head and Neck Cancer Research and Treatment, Asahikawa Medical University, Japan
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Ryosuke Sato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan; Department of Innovative Head and Neck Cancer Research and Treatment, Asahikawa Medical University, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan
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13
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Kono M, Komatsuda H, Yamaki H, Kumai T, Hayashi R, Wakisaka R, Nagato T, Ohkuri T, Kosaka A, Ohara K, Kishibe K, Takahara M, Katada A, Hayashi T, Kobayashi H, Harabuchi Y. Immunomodulation via FGFR inhibition augments FGFR1 targeting T-cell based antitumor immunotherapy for head and neck squamous cell carcinoma. Oncoimmunology 2022; 11:2021619. [PMID: 35003900 PMCID: PMC8741288 DOI: 10.1080/2162402x.2021.2021619] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [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: 12/15/2022] Open
Abstract
Fibroblast growth factor receptor 1 (FGFR1) is overexpressed in multiple types of solid tumors, including head and neck squamous cell carcinoma (HNSCC). Being associated with poor prognosis, FGFR1 is a potential therapeutic target for aggressive tumors. T cell-based cancer immunotherapy has played a central role in novel cancer treatments. However, the potential of antitumor immunotherapy targeting FGFR1 has not been investigated. Here, we showed that FGFR-tyrosine kinase inhibitors (TKIs) augmented antitumor effects of immune checkpoint inhibitors in an HNSCC mouse model and upregulated tumoral MHC class I and MHC class II expression in vivo and in vitro. This upregulation was associated with the mitogen-activated protein kinase signaling pathway, which is a crucial pathway for cancer development through FGFR signaling. Moreover, we identified an FGFR1-derived peptide epitope (FGFR1305-319) that could elicit antigen-reactive and multiple HLA-restricted CD4+ T cell responses. These T cells showed direct cytotoxicity against tumor cells that expressed FGFR1. Notably, FGFR-TKIs augmented antitumor effects of FGFR1-reactive T cells against human HNSCC cells. These results indicate that the combination of FGFR-TKIs with immunotherapy, such as an FGFR1-targeting peptide vaccine or immune checkpoint inhibitor, could be a novel and robust immunologic approach for treating patients with FGFR1-expressing cancer cells.
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Affiliation(s)
- Michihisa Kono
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Head & Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Head & Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
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14
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Kumai T, Komatsuda H, Wakisaka R, Yamaki H, Kono M, Hayashi R, Kishibe K, Takahara M, Katada A, Hayashi T, Harabuchi Y. Concurrent chemoradiotherapy with cisplatin and docetaxel for head and neck squamous cell carcinoma. Clin Otolaryngol 2021; 47:228-233. [PMID: 34657397 DOI: 10.1111/coa.13876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/13/2021] [Accepted: 10/10/2021] [Indexed: 11/27/2022]
Affiliation(s)
- Takumi Kumai
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Asahikawa, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
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15
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Bandoh N, Katada A, Kono M. Endoscopic Endonasal and Transmaxillary Approach for Resection of Juvenile Nasopharyngeal Angiofibroma With Preoperative Embolization in a Child. J Craniofac Surg 2021; 32:e510-e513. [PMID: 33534320 DOI: 10.1097/scs.0000000000007495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
ABSTRACT A 13-year-old Japanese boy with a 6-month history of bilateral nasal obstruction and a 3-week history of recurrent epistaxis from the right nose was admitted to our department. Nasal endoscopy revealed a reddish, smooth-walled tumor occupying the right nasal cavity. Computed tomography scan revealed a 3.5 × 4.5 × 7.0-cm heterogeneously enhancing mass involving the right nasal cavity and extending posteriorly to the nasopharynx, and laterally to the pterygopalatine fossa and the medial part of the infratemporal fossa. We diagnosed as juvenile nasopharyngeal angiofibroma with Radkowski classification stage IIC. The internal maxillary and ascending pharyngeal arteries were embolized with polyvinyl alcohol followed by Embosphere using a conventional Seldinger technique. En bloc resection was performed with an endoscopic ipsilateral endonasal and sublabial Caldwell-Luc transmaxillary approach under general anesthesia. As of 3 years postoperatively, no recurrence has been found. We report a child case of juvenile nasopharyngeal angiofibroma successfully treated with less invasive surgery with preoperative embolization.
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Affiliation(s)
- Nobuyuki Bandoh
- Department of Otolaryngology-Head and Neck Surgery, Hokuto Hospital, Obihiro
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
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16
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Kono M, Kumai T, Hayashi R, Yamaki H, Komatsuda H, Wakisaka R, Nagato T, Ohkuri T, Kosaka A, Ohara K, Kishibe K, Takahara M, Katada A, Hayashi T, Celis E, Kobayashi H, Harabuchi Y. Interruption of MDM2 signaling augments MDM2-targeted T cell-based antitumor immunotherapy through antigen-presenting machinery. Cancer Immunol Immunother 2021; 70:3421-3434. [PMID: 33866408 DOI: 10.1007/s00262-021-02940-5] [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: 03/12/2021] [Accepted: 04/08/2021] [Indexed: 10/21/2022]
Abstract
Identification of immunogenic tumor antigens, their corresponding T cell epitopes and the selection of effective adjuvants are prerequisites for developing effective cancer immunotherapies such as therapeutic vaccines. Murine double minute 2 (MDM2) is an E3 ubiquitin-protein ligase that negatively regulates tumor suppressor p53. Because MDM2 overexpression serves as a poor prognosis factor in various types of tumors, it would be beneficial to develop MDM2-targeted cancer vaccines. In this report, we identified an MDM2-derived peptide epitope (MDM232-46) that elicited antigen-specific and tumor-reactive CD4+ T cell responses. These CD4+ T cells directly killed tumor cells via granzyme B. MDM2 is expressed in head and neck cancer patients with poor prognosis, and the T cells that recognize this MDM2 peptide were present in these patients. Notably, Nutlin-3 (MDM2-p53 blocker), inhibited tumor cell proliferation, was shown to augment antitumor T cell responses by increasing MDM2 expression, HLA-class I and HLA-DR through class II transactivator (CIITA). These results suggest that the use of this MDM2 peptide as a therapeutic vaccine combined with MDM2 inhibitors could represent an effective immunologic strategy to treat cancer.
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Affiliation(s)
- Michihisa Kono
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan. .,Department of Innovative Head & Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan.
| | - Ryusuke Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Risa Wakisaka
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan.,Department of Innovative Head & Neck Cancer Research and Treatment, Asahikawa Medical University, Asahikawa, Japan
| | - Esteban Celis
- Cancer Immunology, Inflammation and Tolerance Program, Augusta University, Georgia Cancer Center, Augusta, GA, USA
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head & Neck Surgery, Asahikawa Medical University, Asahikawa, 078-8510, Japan
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17
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Hayashi R, Nagato T, Kumai T, Ohara K, Ohara M, Ohkuri T, Hirata-Nozaki Y, Harabuchi S, Kosaka A, Nagata M, Yajima Y, Yasuda S, Oikawa K, Kono M, Kishibe K, Takahara M, Katada A, Hayashi T, Celis E, Harabuchi Y, Kobayashi H. Expression of placenta-specific 1 and its potential for eliciting anti-tumor helper T-cell responses in head and neck squamous cell carcinoma. Oncoimmunology 2020; 10:1856545. [PMID: 33457076 PMCID: PMC7781841 DOI: 10.1080/2162402x.2020.1856545] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 01/03/2023] Open
Abstract
Placenta-specific 1 (PLAC1) is expressed primarily in placental trophoblasts but not in normal tissues and is a targetable candidate for cancer immunotherapy because it is a cancer testis antigen known to be up-regulated in various tumors. Although peptide epitopes capable of stimulating CD8 T cells have been previously described, there have been no reports of PLAC1 CD4 helper T lymphocyte (HTL) epitopes and the expression of this antigen in head and neck squamous cell carcinoma (HNSCC). Here, we show that PLAC1 is highly expressed in 74.5% of oropharyngeal and 51.9% of oral cavity tumors from HNSCC patients and in several HNSCC established cell lines. We also identified an HTL peptide epitope (PLAC131-50) capable of eliciting effective antigen-specific and tumor-reactive T cell responses. Notably, this peptide behaves as a promiscuous epitope capable of stimulating T cells in the context of more than one human leukocyte antigen (HLA)-DR allele and induces PLAC1-specific CD4 T cells that kill PLAC1-positive HNSCC cell lines in an HLA-DR-restricted manner. Furthermore, T-cells reactive to PLAC131-50 peptide were detected in the peripheral blood of HNSCC patients. These findings suggest that PLAC1 represents a potential target antigen for HTL based immunotherapy in HNSCC.
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Affiliation(s)
- Ryusuke Hayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan.,Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Takumi Kumai
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Research for Diagnosis and Treatment of Head and Neck Cancer, Asahikawa Medical University, Asahikawa, Japan
| | - Kenzo Ohara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Mizuho Ohara
- Department of Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yui Hirata-Nozaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Shohei Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Marino Nagata
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Yuki Yajima
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan.,Department of Oral and Maxillofacial Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Syunsuke Yasuda
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan.,Respiratory and Breast Center, Asahikawa Medical University Hospital, Asahikawa, Japan
| | - Kensuke Oikawa
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Michihisa Kono
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.,Department of Innovative Research for Diagnosis and Treatment of Head and Neck Cancer, Asahikawa Medical University, Asahikawa, Japan
| | - Esteban Celis
- Cancer Immunology, Inflammation and Tolerance Program, Augusta University, Georgia Cancer Center, Augusta, GA, USA
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
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Kono M, Wakisaka R, Kumai T, Hayashi R, Komatsuda H, Sato R, Abe Y, Yamaki H, Takahara M, Katada A, Hayashi T, Harabuchi Y. Effects of early nutritional intervention by a nutritional support team for patients with head and neck cancer undergoing chemoradiotherapy or radiotherapy. Head Neck 2020; 43:514-519. [DOI: 10.1002/hed.26502] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/02/2020] [Accepted: 09/24/2020] [Indexed: 12/27/2022] Open
Affiliation(s)
- Michihisa Kono
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Risa Wakisaka
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Takumi Kumai
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
- Department of Innovative Head & Neck Cancer Research and Treatment Asahikawa Medical University Asahikawa Japan
| | - Ryusuke Hayashi
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Hiroki Komatsuda
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Ryosuke Sato
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Yasushi Abe
- Department of Palliative Care Asahikawa Medical University Asahikawa Japan
| | - Hidekiyo Yamaki
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Miki Takahara
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Akihiro Katada
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
| | - Tatsuya Hayashi
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
- Department of Innovative Head & Neck Cancer Research and Treatment Asahikawa Medical University Asahikawa Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology‐Head and Neck Surgery Asahikawa Medical University Asahikawa Japan
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Takahara M, Nagato T, Nozaki Y, Kumai T, Katada A, Hayashi T, Harabuchi Y. A proliferation-inducing ligand (APRIL) induced hyper-production of IgA from tonsillar mononuclear cells in patients with IgA nephropathy. Cell Immunol 2019; 341:103925. [PMID: 31088610 DOI: 10.1016/j.cellimm.2019.103925] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 03/31/2019] [Accepted: 05/07/2019] [Indexed: 01/12/2023]
Abstract
IgA nephropathy (IgAN) is a tonsil-related disease. We previously showed that oligodeoxynucleotides with CpG (CpG-ODN) and B-cell activation factor (BAFF) are involved in hyperproduction of IgA from tonsillar mononuclear cells of patients with IgAN (IgAN-TMCs). In this study, we focused on a proliferation-inducing ligand (APRIL), homologous to BAFF. IgAN-TMCs produced more APRIL than non IgAN-TMCs in the presence of both CpG-ODN and control-ODN. TLR9 expression was higher in B-cells of IgAN-TMCs, and treatment with CpG-ODN enhanced transmembrane activator and CAML interactor (TACI) expression. IgA production from IgAN-TMCs was inhibited by APRIL neutralization antibody or TACI blocking antibody, and enhanced by co-treatment of APRIL and CpG-ODN. Serum APRIL levels were higher in patients with IgAN, and decreased after tonsillectomy. These findings suggest that APRIL is involved in the hyperproduction of IgA from IgAN-TMCs, and that CpG-ODN enhanced APRIL-induced IgA production by increasing TACI expression on B-cells of IgAN-TMCs.
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Affiliation(s)
- Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan.
| | - Toshihiro Nagato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Yui Nozaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Takumi Kumai
- Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Japan
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
| | - Tatsuya Hayashi
- Department of Innovative Head & Neck Cancer Research and Treatment (IHNCRT), Asahikawa Medical University, Japan
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Japan
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20
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Okano S, Makita Y, Katada A, Harabuchi Y, Kohmoto T, Naruto T, Masuda K, Imoto I. Novel compound heterozygous CDH23 variants in a patient with Usher syndrome type I. Hum Genome Var 2019; 6:8. [PMID: 30774966 PMCID: PMC6348282 DOI: 10.1038/s41439-019-0037-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 11/10/2018] [Accepted: 12/09/2018] [Indexed: 01/31/2023] Open
Abstract
Usher syndrome type I (USH1) is characterized by congenital, bilateral, profound sensorineural hearing loss, vestibular areflexia, and adolescent-onset retinitis pigmentosa. Here, we report a 12-year-old female patient with typical USH1. Targeted panel sequencing revealed compound heterozygous variants of the Cadherin 23 (CDH23) gene, which confirmed the USH1 diagnosis. A novel NM_022124.5:c.130G>A/p.(Glu44Lys) was identified, expanding the mutation spectrum of CDH23.
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Affiliation(s)
- Satomi Okano
- Hokkaido Asahikawa Habilitation Center for Disabled Children, Asahikawa, Japan
| | - Yoshio Makita
- 2Education Center, Asahikawa Medical University, Asahikawa, Japan
| | - Akihiro Katada
- 3Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yasuaki Harabuchi
- 3Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Tomohiro Kohmoto
- 4Department of Human Genetics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Takuya Naruto
- 4Department of Human Genetics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Kiyoshi Masuda
- 4Department of Human Genetics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Issei Imoto
- 4Department of Human Genetics, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Japan.,5Risk Assessment Center, Aichi Cancer Center Hospital, Nagoya, Japan
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Miyaji K, Nakae K, Iwao T, Takahashi F, Watanabe R, Katada A. An Attempt to Assess the Processing of Verbs by the Simultaneous Measurements of ERPs and NIRS. Int J Psychophysiol 2018. [DOI: 10.1016/j.ijpsycho.2018.07.319] [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: 11/29/2022]
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Abstract
The purpose of this study was to analyze the functional role of nasal afferents on central respiratory mechanisms. The electromyographic activity of the diaphragm and the neuronal activities of respiratory neurons within the brainstem were recorded during nasal flow stimulation, using decerebrate cats. Flow stimulation delivered to the nose prolonged the respiratory cycle time and decreased the amplitude of diaphragmatic activity. The respiratory cycle time was prolonged due to prolongation of expiratory phase. Cool air flow stimulation was more effective for changing the respiratory pattern than was warm air. All recorded inspiratory neurons of the dorsal respiratory group decreased their firing rate during stimulation, but more than half of expiratory neurons of the ventral respiratory group did not change. These results suggest that nasal afferents which respond to temperature can modulate the central respiratory pattern and have a stronger suppressive effect on the activity of inspiratory neurons than that of expiratory neurons.
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Affiliation(s)
- Satoshi Nonaka
- Department of Otolaryngology, Asahikawa Medical School, Asahikawa, Japan
| | - Akihiro Katada
- Department of Otolaryngology, Asahikawa Medical School, Asahikawa, Japan
| | - Kizuku Nakajima
- Department of Otolaryngology, Asahikawa Medical School, Asahikawa, Japan
| | - Takashi Ohsaki
- Department of Otolaryngology, Asahikawa Medical School, Asahikawa, Japan
| | - Tokuji Unno
- Department of Otolaryngology, Asahikawa Medical School, Asahikawa, Japan
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23
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Otaka R, Takahara M, Ueda S, Nagato T, Kishibe K, Nomura K, Katada A, Hayashi T, Harabuchi Y. Up-regulation of CX3CR1 on tonsillar CD8-positive cells in patients with IgA nephropathy. Hum Immunol 2017; 78:375-383. [PMID: 28196748 DOI: 10.1016/j.humimm.2017.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [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: 08/15/2016] [Revised: 02/03/2017] [Accepted: 02/08/2017] [Indexed: 11/17/2022]
Abstract
Although tonsillectomy are used as therapeutic options to prevent chronic renal failure in IgA nephropathy (IgAN) patients, the relationship between IgAN and tonsils is not fully proved by basic research. Recently, circulating CX3CR1-positive cells were reportedly involved in promoting hematuria in patients with IgAN. In this study, we focused on the expression of CX3CR1 in tonsillar mononuclear cells in IgAN patients. Immunohistological analysis revealed greater distribution of CX3CR1-positive cells in the inter-follicular area of tonsils in IgAN patients than in non-IgAN patients. CX3CR1-positive cells were also found in the affected renal glomerulus of IgAN patients. Flow cytometric analysis revealed the expression of CX3CR1 on tonsillar CD8-positive cells to be significantly higher in IgAN patients. CpG-oligodeoxynucleotides enhanced the expression in IgAN patients. The chemotactic response of tonsillar mononuclear cells to fractalkine was significantly higher in IgAN patients. Expression of CX3CR1 on peripheral blood CD8-positive cells in IgAN patients was significantly higher, and decreased after tonsillectomy, along with the disappearance of hematuria. These results suggest that hyper-immune response to microbial DNA enhanced the expression of CX3CR1 on tonsillar CD8-positive cells in IgAN patients, followed by the migration of the cells to renal lesions via blood circulation, resulting in the development of hematuria.
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Affiliation(s)
- Ryuki Otaka
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Miki Takahara
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Seigo Ueda
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Toshihiro Nagato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Kan Kishibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Kenichiro Nomura
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Tatsuya Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
| | - Yasuaki Harabuchi
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical University, Asahikawa, Japan.
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Zealear DL, Mainthia R, Li Y, Kunibe I, Katada A, Billante C, Nomura K. Stimulation of denervated muscle promotes selective reinnervation, prevents synkinesis, and restores function. Laryngoscope 2013; 124:E180-7. [PMID: 24254367 DOI: 10.1002/lary.24454] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [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: 04/09/2013] [Revised: 08/21/2013] [Accepted: 09/23/2013] [Indexed: 11/10/2022]
Abstract
OBJECTIVES/HYPOTHESIS Previously, electrical stimulation of denervated canine laryngeal muscle was shown to promote reinnervation by native over foreign motoneurons. The goal of this study was to assess the effect of different stimulus paradigms on reinnervation quality and functional recovery. STUDY DESIGN A prospective study of six canines over 8 to 20 months. METHODS A clinical model of laryngeal paralysis was used, where recurrent laryngeal nerves of the animals were sectioned and ventilation compromised. The abductor, posterior cricoarytenoid (PCA) muscles were implanted bilaterally with electrodes from an implantable pulse generator. Animals were randomly assigned to three groups to assess the effect of different stimulus paradigms: 1) 40 pulses per second (pps) train, 2) 10 pps train, 3) no stimulation. Spontaneous vocal fold movement was measured endoscopically during hypercapnia. Exercise tolerance was measured on a treadmill using pulse oximetry. In the terminal session, electromyography (EMG) potentials were recorded during superior laryngeal nerve stimulation to index foreign reinnervation of the PCA by reflex glottic closure (RGC) motoneurons. RESULTS After reinnervation started, nonstimulated and stimulated 40 pps animals displayed paradoxical closure of the glottis during hypercapnia and severely decreased exercise tolerance due to faulty reinnervation. In contrast, stimulated 10 pps animals displayed minimal paradoxical closure and normal exercise tolerance (12 minutes up to 8 mph). EMG findings in this group demonstrated significantly less PCA reinnervation by foreign RGC motoneurons. CONCLUSION PCA stimulation with low frequency reduced synkinetic reinnervation by foreign RGC motoneurons. Paradoxical closure of the glottis with inspiration was reduced and exercise tolerance restored to normal.
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Affiliation(s)
- David L Zealear
- Department of Otolaryngology, Vanderbilt University, Nashville, Tennessee, U.S.A
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Nomura K, Takahara M, Katayama A, Kishibe K, Kunibe I, Katada A, Hayashi T, Harabuchi Y. Intra-arterial cisplatin with concomitant radiation for advanced hypopharyngeal cancer. Laryngoscope 2012; 123:916-22. [DOI: 10.1002/lary.23870] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2012] [Revised: 09/10/2012] [Accepted: 10/11/2012] [Indexed: 02/04/2023]
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26
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Arakawa T, Katada A, Shigyo H, Kishibe K, Adachi M, Nonaka S, Harabuchi Y. Electrical stimulation prevents apoptosis in denervated skeletal muscle. NeuroRehabilitation 2011; 27:147-54. [PMID: 20871144 DOI: 10.3233/nre-2010-0591] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The purpose of this study was to investigate the hypothesis that electrical stimulation regulates the levels of gene expression related to apoptosis in denervated muscle and prevents muscle atrophy after denervation.Nineteen rats were used in this study. To denervate soleus muscle, sciatic nerve was resected under aseptic condition. Electrical stimulation with 4 mA rectangular pulses of 0.5 ms duration at 2 Hz lasting for 1 hour was delivered to lower limb including the soleus muscle using two surface electrodes. After the stimulation periods of 4 weeks, the levels of gene expression related to apoptosis were evaluated. Electrical stimulation increased valosin-containing protein (VCP) expression and decreased cleaved caspase-12 expression in denervated muscles. These results indicated that electrical stimulation to denervated muscle suppresses ER-specific apoptosis by enhancing VCP expression. We proposed that electrical stimulation would be a potential treatment for preventing atrophy of denervated skeletal muscles.
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Affiliation(s)
- Takuya Arakawa
- Department of Otolaryngology Head & Neck Surgery, Asahikawa Medical College, Midorigaoka Higashi, Asahikawa, Japan
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27
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Nomura K, Kunibe I, Katada A, Wright CT, Huang S, Choksi Y, Mainthia R, Billante C, Harabuchi Y, Zealear DL. Bilateral motion restored to the paralyzed canine larynx with implantable stimulator. Laryngoscope 2011; 120:2399-409. [PMID: 21053243 DOI: 10.1002/lary.21065] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES/HYPOTHESIS Bilateral stimulation of posterior cricoarytenoid (PCA) muscles offers a physiologic approach to restore ventilation to a normal level in case of bilateral laryngeal paralysis. The objective of this study was to evaluate the long-term efficacy and safety of a new generation stimulator in restoring ventilation and exercise tolerance. STUDY DESIGN A prospective study of four canines over 8-20 months. METHODS A Genesis XP stimulator and electrodes were implanted and recurrent laryngeal nerves were sectioned and repaired bilaterally. In bimonthly sessions, vocal fold movement resulted from PCA stimulation or induced hypercapnea, was measured endoscopically in the anesthetized animal. Exercise tolerance was measured on a treadmill and swallowing function was examined endoscopically and radiographically. RESULTS During the denervation phase, there was minimal ventilatory compromise and near-normal exercise tolerance. PCA stimulation produced only nominal abduction. During the reinnervation phase, synkinetic reinnervation became significant, resulting in a narrowed passive airway and paradoxical glottic closure during hypercapnea. Animals were stridorous and could walk for only 1-2 minutes. Bilateral PCA stimulation increased glottal area, equaling that of a normally innervated animal. Exercise tolerance was also normal. The optimal stimulus paradigm for the synkinetically reinnervated larynx was not different from that for the innervated larynx. Stimulation remained efficacious over the study period. Lead integrity could be maintained by prevention of device migration. There was no evidence of aspiration. CONCLUSIONS This study demonstrates that ventilatory compromise only occurs following faulty reinnervation. Bilateral PCA stimulation can restore ventilation and exercise tolerance completely without aspiration over the long term.
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Affiliation(s)
- Kenichiro Nomura
- Department of Otolaryngology, Vanderbilt University, Nashville, Tennessee, USA
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28
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Katada A, Kunibe I, Yoshizaki T, Hayashi T, Kumai M, Nonaka S, Harabuchi Y. Pharyngolaryngeal Symptoms and Laryngeal Allergy in Patients with Birch Pollen Nasal Allergy. ACTA ACUST UNITED AC 2011. [DOI: 10.5426/larynx.23.12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Harashima T, Obuchi C, Katada A. Auditory middle latency responses and auditory P300 in a case with hearing problems: A case with abnormal ABR. Int J Psychophysiol 2010. [DOI: 10.1016/j.ijpsycho.2010.06.264] [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: 10/19/2022]
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Bandoh N, Ogino T, Katayama A, Takahara M, Katada A, Hayashi T, Harabuchi Y. HLA class I antigen and transporter associated with antigen processing downregulation in metastatic lesions of head and neck squamous cell carcinoma as a marker of poor prognosis. Oncol Rep 2010; 23:933-9. [PMID: 20204276 DOI: 10.3892/or_00000717] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
HLA class I antigen processing machinery plays a crucial role in the generation of peptides from endogeneously synthesized proteins and in their presentation to cytotoxic T lymphocytes. The purpose of this study was to analyze the downregulation of HLA class I antigen, transporter associated with antigen processing (TAP) and tapasin in primary and metastatic lesions of head and neck squamous cell carcinoma (HNSCC) and to compare TAP, tapasin and HLA class I antigen downregulation in metastatic lesions with that of primary lesions. We analyzed expression levels of TAP1, TAP2, tapasin and HLA class I antigen in 25 primary and autologous metastatic lesions by staining formalin-fixed, paraffin-embedded tissue sections in the immunoperoxidase reaction. We identified the expression levels of TAP1, TAP2, tapasin and HLA class I antigen were coordinately downregulated in both primary and metastatic lesions and were significantly lower in metastatic lesions than in autologous primary lesions tested. HLA class I antigen downregulation in metastatic lesion was significantly associated with reduced disease-free survival of patients (P<0.05). Multivariate Cox proportional hazards model analysis identified negativity of HLA class I antigen as an independent prognostic marker. HLA class I antigen and TAP are likely to be downregulated in metastatic lesions compared with primary lesions in HNSCC. The higher frequency of HLA class I antigen and TAP down-regulation in metastases play a role in the clinical course of the disease.
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Affiliation(s)
- Nobuyuki Bandoh
- Head and Neck Cancer Center, Hokuto Hospital, Hokkaido 080-0833, Japan.
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Nagato T, Katada A, Yoshizaki T, Kunibe I, Takahara M, Katayama A, Hayashi T, Harabuchi Y. Laryngeal plexiform schwannoma as first symptom in a patient with neurofibromatosis type 2. Clin Neurol Neurosurg 2010; 112:505-8. [PMID: 20303213 DOI: 10.1016/j.clineuro.2010.02.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 02/10/2010] [Accepted: 02/20/2010] [Indexed: 11/30/2022]
Abstract
Neurofibromatosis type 2 (NF2) is an autosomal dominant disorder characterized by bilateral vestibular schwannomas. The initial symptoms of NF2 are usually hearing loss and tinnitus caused by vestibular schwannomas. Although other intracranial, spinal, or skin tumors also occur in NF2, laryngeal lesions are very rare. We report a rare case of NF2 with laryngeal plexiform schwannoma as first symptom. A 38-year-old man presented with a smooth-surfaced submucosal supraglottic mass. Two round masses in the left chest wall and left supraclavicular fossa were noted incidentally during investigation of the laryngeal mass. Magnetic resonance imaging (MRI) findings for these masses were identical to those of the laryngeal mass. No typical symptoms related to NF2 were identified. Histologically, the laryngeal tumor represented plexiform schwannoma. We thus considered that the two round masses in the left chest wall and left supraclavicular fossa might also represent plexiform schwannomas. NF2 was suspected, as a high incidence of multiple plexiform schwannomas has been suggested for patients with NF2. MRI of brain lesions demonstrated bilateral vestibular schwannomas and multiple meningiomas. Finally, NF2 with laryngeal plexiform schwannoma was diagnosed. Recognizing that multiple plexiform schwannomas could be associated with NF2 is important.
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Affiliation(s)
- Toshihiro Nagato
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Midorigaoka-Higashi 2-1-1-1, Asahikawa 078-8510, Japan.
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Zealear DL, Kunibe I, Nomura K, Billante C, Singh V, Huang S, Bekeny J, Choksi Y, Harabuchi Y, Katada A. Rehabilitation of bilaterally paralyzed canine larynx with implantable stimulator. Laryngoscope 2010; 119:1737-44. [PMID: 19572268 DOI: 10.1002/lary.20587] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES/HYPOTHESIS Bilateral stimulation of the posterior cricoarytenoid (PCA) muscles offers a physiologic approach to rehabilitate ventilation to a normal level in case of bilateral laryngeal paralysis. The objective was to evaluate the safety and efficacy of a new generation stimulator in restoring glottal opening, ventilation, and exercise tolerance. STUDY DESIGN A prospective study in three canines over 6 to 17 months. METHODS A Genesis XP stimulator and electrodes were surgically implanted, and the recurrent laryngeal nerves sectioned/repaired bilaterally. In bimonthly sessions, vocal fold movement was measured endoscopically in the anesthetized animal. The movement resulted from PCA stimulation or hypercapnea during spontaneous breathing. Exercise tolerance was measured on a treadmill using pulse oximetry and swallowing function examined by videofluoroscopy. RESULTS During the denervation phase, there was minimal ventilatory compromise and near normal exercise tolerance with the device off (12 minutes, up to 8 mph). PCA stimulation produced only nominal abduction. During the reinnervation phase, synkinetic reinnervation became significant with narrowed passive airway and paradoxical closure of the glottis during hypercapnea. Animals were stridorous and could walk for only 1 to 2 minutes at 4 mph. With the device activated, bilateral PCA stimulation increased glottal area from 50 mm(2) to 250 mm(2), even during hypercapnea, equaling that of a normally innervated animal. Exercise tolerance was normal. There was no evidence of aspiration during deglutition. CONCLUSIONS This study demonstrates that severe ventilatory compromise only occurs following faulty reinnervation of laryngeal muscles. Bilateral PCA stimulation can result in complete rehabilitation of ventilation and exercise tolerance without impairment of swallowing.
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Affiliation(s)
- David L Zealear
- Otolaryngology Department, Vanderbilt University, Nashville Tennessee 37232, USA.
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Zealear D, Wright CT, Kunibe I, Katada A, Harabuchi Y, Zealear D, Billante C, Nomura K. Reanimation of Paralyzed Larynx with Implantable Stimulator. Otolaryngol Head Neck Surg 2009. [DOI: 10.1016/j.otohns.2009.06.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Katada A, Van Himbergen D, Kunibe I, Nonaka S, Harabuchi Y, Huang S, Billante CR, Zealear DL. Evaluation of a deep brain stimulation electrode for laryngeal pacing. Ann Otol Rhinol Laryngol 2008; 117:621-9. [PMID: 18771081 DOI: 10.1177/000348940811700813] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES The purpose of the present study was to evaluate the suitability of a deep brain stimulation electrode for laryngeal pacing. Of interest was whether the smaller and more closely spaced channels could provide sufficient channel redundancy, controlled current distribution, and discrete activation of the posterior cricoarytenoid (PCA) muscle. METHODS A study was conducted in dogs under differing states of PCA muscle innervation representing complete denervation to complete synkinetic reinnervation. In 3 animals, stimulated glottal opening was assessed in the innervated state and after chemical denervation by pancuronium bromide. In 3 additional dogs, the left side of the larynx was surgically denervated and compared to the innervated, right side to study an anatomic model of clinical paralysis. RESULTS The thresholds were lower and the maximum level of abduction was greater for the innervated state. The stimulated glottal opening equaled that of a spontaneously breathing animal. Abductory responses were obtained across all channels in the array, demonstrating its anatomic and physiological compatibility for this application. In the denervated state, responses were only 20% of that of the innervated state with a pulse duration of 0.5 ms. The response could be enhanced to 40% and 60% by increasing the pulse duration to 1 and 2 ms. CONCLUSIONS A deep brain stimulation electrode could effectively reanimate the PCA muscle to a normal level in a case of synkinetic reinnervation and to as much as 60% of the normal level in a case of complete denervation.
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Affiliation(s)
- Akihiro Katada
- Department of Otolaryngology, Medical Center North S2100, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
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Mizukami K, Hasegawa S, Terada S, Katada A, Takahashi T, Kosaka H, Wada Y. Chronological changes in the basic EEG rhythm in the elderly. Int J Psychophysiol 2008. [DOI: 10.1016/j.ijpsycho.2008.05.090] [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: 11/17/2022]
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Harashima T, Obuchi C, Oga K, Katada A. Auditory middle latency responses and P300 in mild developmental disorders with hearing problems. Int J Psychophysiol 2008. [DOI: 10.1016/j.ijpsycho.2008.05.093] [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: 11/25/2022]
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Kunibe I, Zealear DL, Katada A, Singh VP, Bekeny J, Kamdar BB, Harabuchi Y, Billante CR. R430 – Glycogen Depletion for Study of Neuromuscular Connectivity. Otolaryngol Head Neck Surg 2008. [DOI: 10.1016/j.otohns.2008.05.585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Problem A useful technique for characterizing connectivity between nerve and muscle involves prolonged electrical stimulation of nerve fibers to deplete glycogen in their target muscle fibers. Depleted muscle fibers appear blank when stained by the PAS technique. Unfortunately, results are inconsistent over a wide range of stimulus paradigms. The aim of this study was to identify other factors that may impact glycogen depletion. Methods Glycogen depletion was examined in the rat medial gastrocnemius muscle because of the presence of aerobic fiber types I and IIA, which are resistant to depletion. Tension and EMG were monitored during maximal stimulation of transected sciatic nerve with a 333 msec pulse train delivered at 40 Hz every second over a period of 1 hour. Once an effective paradigm was identified, depletion of an entirely aerobic muscle (i.e., soleus) was evaluated. Results Animals maintained in a light plane of anesthesia with a steady rate of pentobarbital IP infusion showed an average depletion of only 72%. Animals administered a progressively increasing level of anesthesia with continued stimulation until complete loss of muscular response showed a significantly greater depletion of 96%. However, when this paradigm was applied to the soleus, only 37% of the muscle depleted. Further investigation determined that co-contraction of gastrocnemius with soleus resulted in unloading of the slower soleus. Disruption of the gastrocnemius insertion on the Achilles tendon shifted the load to the soleus and increased soleus depletion to 93%. Conclusion Muscle fibers of any motor unit type can be identified with 93–96% accuracy when nerve stimulation is applied to an isometrically loaded muscle that is in a state of progressive barbiturate anesthesia. Significance Glycogen depletion provides a method for identifying the number, types, and distribution of muscle fibers in a muscle that have reinnervated, important in the assessment of nerve regeneration. Support NIH grants R01 DC001149 and R01 DC008429.
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Shigyo H, Nonaka S, Katada A, Bandoh N, Ogino T, Katayama A, Takahara M, Hayashi T, Harabuchi Y. Inducible nitric oxide synthase expression in various laryngeal lesions in relation to carcinogenesis, angiogenesis, and patients' prognosis. Acta Otolaryngol 2007; 127:970-9. [PMID: 17712678 DOI: 10.1080/00016480601089382] [Citation(s) in RCA: 12] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
CONCLUSIONS The inducible nitric oxide synthase (iNOS) expression leading to vascular endothelial growth factor (VEGF) overexpression may be useful as a factor for predicting recurrence after initial treatment and prognosis in laryngeal squamous cell carcinoma (SCC). OBJECTIVE We analyzed expression of iNOS, p53, and VEGF in various laryngeal lesions. MATERIALS AND METHODS The study samples consisted of 63 SCC, 20 dysplasia, 7 polyp, and 5 normal epithelium of the larynx. The expression of iNOS, p53, and VEGF was identified by immunohistological methods. RESULTS No positive immunostaining for iNOS, p53, and VEGF was observed in normal epithelium and polyps. In contrast, with the progression from mild/moderate dysplasia to severe dysplasia to carcinoma, their expression levels increased. In dysplasia, there was a significant positive correlation among expression of iNOS, p53, and VEGF. In SCC, iNOS expression correlated with VEGF overexpression and microvessel density, but not with p53 overexpression. In SCC, the expression of iNOS and VEGF significantly increased in patients who developed local recurrence and/or metastases after initial treatments. Kaplan-Meier analysis showed that disease-free survival was significantly shorter in patients with iNOS or VEGF expression. Multivariate analysis showed expression of iNOS and VEGF as independent indicators for poor disease-free survival.
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Affiliation(s)
- Hiroshi Shigyo
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Japan
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Kunibe I, Nonaka S, Katada A, Adachi M, Arakawa T, Harabuchi Y. Fos expression in the brainstem nuclei evoked by nasal air-jet stimulation in rats. ACTA ACUST UNITED AC 2007; 21:128-32. [PMID: 17283575 DOI: 10.2500/ajr.2007.21.2910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 11/20/2022]
Abstract
BACKGROUND Noxious stimulation of the nasal mucosa may induce protective reflexes in the upper airway in rats. Previously, we have reported that nasal air-jet stimulation increases the activities of the laryngeal muscles in decerebrate cats; however, the neuronal mechanism of this phenomenon still is not clarified. METHODS After the application of nasal air-jet stimulation for 2 hours, we investigated the distribution of Fos-positive cells (FPCs) throughout the medulla compared with sham-operated rats using Fos immunoreactivity. RESULTS FPCs in the spinal trigeminal nucleus, the parvocellular reticular nucleus, and the nucleus of the solitary tract were more frequent than the sham-operated rats. CONCLUSION These results suggest that the afferents induced by air-jet stimulation were conveyed to these FPCs and that some of these cells might participate in the augmentation of laryngeal muscle activities during nasal air-jet stimulation.
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Affiliation(s)
- Isamu Kunibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Asahikawa, Japan.
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Katada A, Vos JD, Swelstad BB, Zealear DL. A sequential double labeling technique for studying changes in motoneuronal projections to muscle following nerve injury and reinnervation. J Neurosci Methods 2006; 155:20-7. [PMID: 16753219 DOI: 10.1016/j.jneumeth.2005.10.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2005] [Revised: 09/06/2005] [Accepted: 10/24/2005] [Indexed: 10/24/2022]
Abstract
The purpose of this study was to develop an anatomical technique that could directly demonstrate the motoneuron projections to the muscle both before injury and again following reinnervation. Investigation focused on the identification of a long-term retrograde fluorescent tracer that would label original motoneurons and persist long enough for reinnervating motoneurons to become labeled by a second fluorescent tracer. True Blue (TB) was evaluated as a potential long-term tracer, Fluoro-ruby (FR) and Fluoro-emerald (FE) were tested as potential short-term tracers in 45 adult Sprague-Dawley rats. In the initial phase of the study, TB was injected into the tibialis anterior (TA) muscle in 16 rats and sacrificed 1 week to 6 months later, to study its persistence. During the second stage, a short-term tracer was injected into the TA muscles bilaterally in 15 rats with survival time ranging from 4 to 28 days. Sequential double labeling was subsequently performed using the combination of TB and FR in 14 rats. The number and brightness of TB cells did not change over 6 months time, a period sufficient for complete reinnervation. FR and FE showed maximum labeling of motoneurons at 1 week after tracer application. In the double labeling study, we could easily distinguish double-labeled cells from those labeled only by TB or FR. These results suggest that sequential double labeling of TB and FR is a valuable method for long-term muscle reinnervation studies.
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Affiliation(s)
- Akihiro Katada
- Department of Otolaryngology, Vanderbilt University, S-2100 Medical Center North, Nashville, TN 37232-2559, USA
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Nagato T, Hayashi T, Kishibe K, Kunibe I, Katada A, Nonaka S, Harabuchi Y. A Case of Thymoma in the Neck (Cervical Thymoma). ACTA ACUST UNITED AC 2005. [DOI: 10.5631/jibirin.98.577] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Katada A, Nonaka S, Harabuchi Y. Cochlear implantation in an adult patient with auditory neuropathy. Eur Arch Otorhinolaryngol 2004; 262:449-52. [PMID: 15942797 DOI: 10.1007/s00405-004-0863-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2004] [Accepted: 08/18/2004] [Indexed: 10/26/2022]
Abstract
We present a case report of effective cochlear implantation for an adult patient with auditory neuropathy. A 34-year-old man developed bilateral hearing loss at approximately 10 years of age. His speech discrimination score was very severe despite only moderate sensorineural hearing loss. Absence of auditory brainstem responses (ABR) and preservation of distortion product otoacoustic emissions (DPOAE) were confirmed by our audiological examinations. After cochlear implantation, good responses for electrically evoked compound action potential (EAP) and electrically evoked ABR (EABR) were observed. Postoperatively, his audiological performance was significantly improved. We conclude that cochlear implantation can be a valid option for patients with auditory neuropathy.
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Affiliation(s)
- Akihiro Katada
- Department of Otolaryngology - Head and Neck Surgery, Asahikawa Medical College, Japan.
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Katada A, Nonaka S, Adachi M, Kunibe I, Arakawa T, Imada M, Hayashi T, Zealear DL, Harabuchi Y. Functional electrical stimulation of laryngeal adductor muscle restores mobility of vocal fold and improves voice sounds in cats with unilateral laryngeal paralysis. Neurosci Res 2004; 50:153-9. [PMID: 15380322 DOI: 10.1016/j.neures.2004.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2004] [Accepted: 06/22/2004] [Indexed: 10/26/2022]
Abstract
Functional electrical stimulation (FES) has been proposed as a potential treatment for restoring motor functions of denervated motor systems. We investigated whether FES of paralyzed laryngeal adductor muscles could restore adduction to the vocal folds. In addition, we studied the effect of stimulated vocal fold adduction on the intensity and overall quality of voice production. We recorded movement of the vocal fold, electromyographic activity of muscles recruited for vocalization, and sound production in unanesthetized decerebrate cats during FES of the paralyzed thyroarytenoid (TA) muscle. FES of the paralyzed TA muscle induced adduction of the vocal fold. Appropriate stimulus parameters for induction was 1.5-3.0 mA intensity pulses delivered at a frequency of 30-50 pulses per second (pps). FES of the paralyzed TA muscle prolonged phonation time and increased intensity of voice sounds during vocalization induced by electrical stimulation (0.2 ms, 20-50 microA, 50 pps) of the periaqueductal gray (PAG). The quality of voice sounds evaluated by sound spectrography was shown to improve during vocalization with FES. We conclude that FES of the paralyzed laryngeal adductor muscle was effective in restoring adduction of the vocal fold and improving voice sounds impaired by unilateral laryngeal paralysis.
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Affiliation(s)
- Akihiro Katada
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan.
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Kunibe I, Nonaka S, Katada A, Adachi M, Enomoto KI, Harabuchi Y. The neuronal circuit of augmenting effects on intrinsic laryngeal muscle activities induced by nasal air-jet stimulation in decerebrate cats. Brain Res 2003; 978:83-90. [PMID: 12834901 DOI: 10.1016/s0006-8993(03)02770-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [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: 10/27/2022]
Abstract
We previously demonstrated that during nasal air-jet stimulation, both the activities of intrinsic laryngeal adductor and abductor muscles persistently increase, whereas the respiratory cycle prolongs and the activity of diaphragm decreases [Am. J. Rhinol. 9 (1995) 203-208; Neurosci. Res. 31 (1998) 137-146]. The purpose of this study was to clarify the neuronal circuit underlying the augmentation of intrinsic laryngeal muscles evoked by nasal air-jet stimulation. The immunohistologic analysis of Fos-expression was reported to determine the distribution of activated neurons in cat brainstem evoked by sneeze-inducing air puff stimulation of the nasal mucosa [Brain Res. 687 (1995) 143-154]. In sneezing cats, immunoreactivity was evoked in projection areas of the ethmoidal afferents, e.g. the subnuclei caudalis, interpolaris and in interstitial islands of the trigeminal sensory complex. Immunoreactivity was also enhanced in the solitary complex, the nucleus retroambiguus, the pontine parabrachial area and the lateral aspect of the parvocellular reticular formation [Brain Res. 687 (1995) 143-154]. In the present study, we focussed on the parvocellular reticular nucleus (PRN) as a relay of the neural circuit contributed to the augmentation of intrinsic laryngeal muscles evoked by nasal air-jet stimulation. We recorded the neuronal behavior of PRN during the nasal air-jet stimulation in precollicular-postmammillary decerebrate cats. As the results, 24% (17/71) of recorded neurons which were activated orthodromically by the electrical stimulation to anterior ethmoidal nerve, increased their firing rates in response to the nasal air-jet stimulation. Furthermore, spike-triggered averaging method revealed that four of these 17 PRN neurons activated intrinsic laryngeal muscles, suggesting that such neurons have excitatory projections to the intrinsic laryngeal muscle motoneurons in the nucleus ambiguus. These results suggest that the some of PRN neuron play a role in augmentation of the intrinsic laryngeal muscles activities during nasal air-jet stimulation.
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Affiliation(s)
- Isamu Kunibe
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Midorigaoka east 2-1-1-1, Asahikawa 078-8510, Japan
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Katada A, Konishi Y, Isogai T, Tominaga Y, Asai S, Sumita M. Dynamic percolation phenomenon of poly(methyl methacrylate)/surface fluorinated carbon black composite. J Appl Polym Sci 2003. [DOI: 10.1002/app.12447] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Katada A, Hasegawa S, Ohira D, Kumagai T, Harashima T, Ozaki H, Suzuki H. On chronological changes in the basic EEG rhythm in persons with Down syndrome - with special reference to slowing of alpha waves. Brain Dev 2000; 22:224-9. [PMID: 10838108 DOI: 10.1016/s0387-7604(00)00107-8] [Citation(s) in RCA: 16] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The authors tried to know specificity of aging in persons with Down syndrome (DS) from the aspect of electroencephalograph (EEG) frequency changes through the cross-sectional and longitudinal studies, in comparison with normal persons as well as those with mentally retardation except the Down syndrome (non-DS MR). Subjects for a cross-sectional study were 265 persons with DS, 242 with non-DS MR and 239 healthy persons, and subjects for a follow-up study were 28 persons with DS and 14 with non-DS MR, whose EEGs were recorded repeatedly once a year during 8 or 9 years. Resting EEGs from the frontal, central and occipital regions were examined through power spectrum. In the cross-sectional study, the number of subjects with DS who showed dominant component within 8 Hz band of the basic rhythm reached maximum in its appearance rate at 40-44 years of age in the occipital area, but this slowing progressed already at 30-34 years of age. While in non-DS MR, the number of subjects who showed dominant component at 8 Hz reached maximum at 45-49 years of age, and this slowing of the basic rhythm was not so clear as in DS. In the follow-up study for subjects with DS, although the lowering in EEG frequency to 8 Hz took place in various years of age individually, earlier distinct decrease of the frequency was commonly noticed. These earlier steep lowering of EEG frequency was discussed in relation to the senile signs and to the decline of brain function referring to Alzheimer disease.
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Abstract
In order to characterize the brain stem circuitry that produces vocalization, the activities of brain stem respiratory neurons were recorded extracellularly during vocalization induced by electrical stimulation of the periaqueductal gray in decerebrate cats. After the onset of stimulation, the respiratory rhythm ceases, and a preparatory inspiration is induced. Following this initial inspiration, vocalization characterized by increased activities of the intrinsic laryngeal adductor and the major expiratory muscles is induced. During vocalization, most of the dorsal respiratory group inspiratory neurons increase their firing rates in phase with an increase of diaphragm activity. Inspiratory neurons with a continuous discharge pattern in the rostral ventral respiratory group increase their firing rates to augment intrinsic laryngeal abductor motoneurons and bulbospinal inspiratory neurons in the dorsal respiratory group. On the other hand, most of the bulbospinal augmenting expiratory neurons in the Bötzinger complex cease firing just after the onset of periaqueductal gray stimulation for the remainder of the stimulation period. These results indicate that at least some part of the coordinated activations of intrinsic laryngeal and respiratory muscles during vocalization are mediated via the central respiratory neurons that produce breathing.
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Affiliation(s)
- S Nonaka
- Department of Otolaryngology, Asahikawa Medical School, Japan
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Ohira D, Maekawa H, Mizuta T, Katada A. Preliminary study on the effect of rocking on activities of persons with severe mental and physical handicaps. Percept Mot Skills 1998; 87:307-12. [PMID: 9760662 DOI: 10.2466/pms.1998.87.1.307] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In this preliminary observation, a group of seven mentally and physically handicapped persons of chronological ages ranging from 15.4 yr. to 26.8 yr. experienced 15 sec. of physical rocking. For the further analysis, the poststimulus periods were classified into either those when the subjects' spontaneous head, mouth, and body movements had increased from the prestimulus period or those decreased. The median heart rates recorded in the poststimulus period were not significantly different from those in the prestimulus period on trials on which there was an observable increase in the rates of spontaneous head, mouth, and body movements; however, the median heart rates decreased during those trials on which a decrease in the rates of the movements occurred. Since it is said that rocking heightens arousal of persons with mental and physical handicaps, it is suggested that spontaneously emitted, aimless head, mouth, and body movements attributed to low arousal were reduced by heightened arousal rather than by a decline in participants' activities.
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Affiliation(s)
- D Ohira
- Doctoral Degree Program in Special Education, University of Tsukuba, Japan.
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Enomoto K, Takahashi R, Katada A, Nonaka S. The augmentation of intrinsic laryngeal muscle activity by air-jet stimulation of the nasal cavity in decerebrate cats. Neurosci Res 1998; 31:137-46. [PMID: 9700719 DOI: 10.1016/s0168-0102(98)00032-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [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: 02/08/2023]
Abstract
The purpose of this study was to examine the functional roles of nasal afferents in modulating the activity of the intrinsic laryngeal muscles. The electromyographic activities of the intrinsic laryngeal muscles and major respiratory muscles were recorded in cats during nasal air-jet stimulation. The activities of brainstem respiratory neurons were also recorded to determine which neurons transmit nasal afferent signals to the intrinsic laryngeal motoneurons. These axonal projections were identified by antidromic activation evoked by stimulation to the spinal cord at C4 level and the laryngeal nerve. The length of the respiratory cycle was prolonged and the diaphragmatic activity was decreased during air-jet stimulation of the nasal cavity. In contrast, the activities of both the intrinsic laryngeal adductor and abductor muscles were increased. Examination of the laryngeal reflexes revealed increase in the activities of intrinsic laryngeal motoneurons during both respiratory phases. Most of the respiratory neurons recorded decreased their peak firing rate during air-jet stimulation, reflecting decreased diaphragmatic activity; however, the peak firing rate of the bulbospinal expiratory neurons in the portion of the ventral respiratory group caudal to the obex did not decrease during stimulation. These findings demonstrate the nasal air-jet stimulation decreases the activities of major inspiratory muscles in order to avoid inspiration of foreign bodies into the nasal cavity and augments the activities of intrinsic laryngeal muscles, enabling prompt elicitation of the laryngeal airway reflex. Our findings also suggest that the nasal afferents suppress the major inspiratory activities by way of brainstem inspiratory neurons, but that the activities of intrinsic laryngeal muscles are controlled through undetermined pathway(s) other than the pathway through respiratory neurons.
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Affiliation(s)
- K Enomoto
- Department of Otolaryngology, Asahikawa Medical School, Japan
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Abstract
The Lombard reflex occurs when a speaker increases his vocal effort while speaking in the presence of ambient noise. The purpose of this study was to clarify whether the Lombard reflex can be evoked during controlled vocalization in an animal model. In decerebrate cats, repetitive electrical stimulation was applied to the midbrain periaqueductal gray (PAG) to evoke vocalization. Pure tone auditory stimulation was delivered through a loudspeaker. The activities of the laryngeal adductor muscle, diaphragm and external oblique abdominal muscle and the voice intensity were measured during PAG stimulation, in the presence and absence of the auditory stimulation. To clarify the effects of the auditory laryngeal reflex on the activity of laryngeal adductor motoneurons, the amplitude of the laryngeal reflex evoked by single shock stimulation of the superior laryngeal nerve was also measured during respiration, in the presence and absence of auditory stimulation. The sound made by the cats due to PAG-induced vocalization was augmented by exposure to auditory stimulation, and the activities of the laryngeal adductor muscle and external oblique abdominal muscle were also augmented. During respiration, auditory stimulation also increased the amplitude of the laryngeal reflex evoked in the laryngeal adductor muscle. These results demonstrate that the essential neuronal mechanisms for evoking the Lombard reflex exist within the brainstem.
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Affiliation(s)
- S Nonaka
- Department of Otolaryngology, Asahikawa Medical School, Nishikagura, Japan
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