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Ishigaki T, Hirokawa M, Ezawa Y, Yamanaka M. Relationship Between Posterior Shoulder Tightness and Lower-Limb Flexibility in College Baseball Players. J Sport Rehabil 2023:1-10. [PMID: 37146986 DOI: 10.1123/jsr.2022-0205] [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: 05/30/2022] [Revised: 01/18/2023] [Accepted: 03/04/2023] [Indexed: 05/07/2023]
Abstract
CONTEXT Posterior shoulder tightness evaluated as limited glenohumeral internal rotation and horizontal adduction is a risk factor for throwing-related shoulder and elbow injuries. Given that the throwing motion uses the entire body kinematics, limited lower-limb flexibility might be associated with posterior shoulder tightness. Therefore, we aimed to investigate the relationships between posterior shoulder tightness and lower-limb flexibility in college baseball players. DESIGN Cross-sectional study. SETTING University laboratory. PARTICIPANTS Twenty-two college baseball players (20 right-handed and 2 left-handed). METHODS To investigate the relationships between glenohumeral range of motion and lower-limb flexibility using simple linear regression analysis, we measured passive range of motion of glenohumeral internal rotation and horizontal adduction, hip internal/external rotation in the prone/sitting position, ankle dorsiflexion, and quadriceps and hamstrings flexibility from both shoulders and legs. RESULTS Our analysis indicated that decreases in the lead leg hip external rotation in the prone position were moderately associated with limitations in glenohumeral internal rotation (R2 = .250, β [95% confidence interval, CI] = 0.500 [0.149 to 1.392], P = .018) and horizontal adduction (R2 = .200, β [95% CI] = 0.447 [0.051 to 1.499], P = .019) on the throwing shoulder. Furthermore, there were significant moderate relationships between decreases in glenohumeral internal rotation and limited lead leg quadriceps flexibility (R2 = .189, β [95% CI] = 0.435 [0.019 to 1.137], P = .022), and between decreases in glenohumeral horizontal adduction and limited stance leg ankle dorsiflexion (R2 = .243, β [95% CI] = 0.493 [0.139 to 1.438], P = .010). CONCLUSION College baseball players with limited lower-limb flexibilities including the lead leg hip external rotation in the prone position, the lead leg quadriceps flexibility, and the stance leg ankle dorsiflexion showed excessive posterior shoulder tightness. The current results support the hypothesis that lower-limb flexibility is associated with posterior shoulder tightness in college baseball players.
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Affiliation(s)
- Tomonobu Ishigaki
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata,Japan
- Graduate School of Health Science, Hokkaido University, Sapporo, Hokkaido,Japan
| | | | - Yuya Ezawa
- Social and Human Science Course, Tokyo Institute of Technology, Meguro-ku, Tokyo,Japan
| | - Masanori Yamanaka
- Department of Physical Therapy, Hokkaido Chitose College of Rehabilitation, Chitose, Hokkaido,Japan
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2
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Ishigaki T, Yoshino K, Hirokawa M, Sugawara M, Yamanaka M. Supraspinatus tendon thickness and subacromial impingement characteristics in younger and older adults. BMC Musculoskelet Disord 2022; 23:234. [PMID: 35277147 PMCID: PMC8915467 DOI: 10.1186/s12891-022-05179-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 02/25/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Subacromial impingement (SAI) may be a cause of age-related rotator cuff abnormalities; therefore, the purpose of this study was to compare SAI characteristics between younger and older adults. In addition to the fact that thickened supraspinatus tendon (SST) indicates tendon abnormalities, SAI characteristics have been recognized as follows: greater SST thickness, reduced acromiohumeral distance (AHD), greater reduction of AHD (∆AHD) with arm elevation, and a higher percentage of SST within AHD (i.e., occupation ratio: OcAHD). Furthermore, we investigated the relationships between SST thickness and AHD, as well as SST thickness and ∆AHD to clarify the effect of SAI on rotator cuff abnormalities.
Methods
Healthy younger (n = 18, 21–24-year-old) and older (n = 27, 45–80-year-old) adults without any shoulder symptoms participated in this study. We measured their SST thickness and AHD at rest and at arm elevation (30° and 60°) in the scapular plane using ultrasound, and calculated ∆AHD as the relative change expressed as a percentage of the baseline. OcAHD was expressed as the ratio of SST thickness at rest to AHD at rest and in elevated positions.
Results
The older subjects had approximately one mm thicker SST (P = 0.003, 95% Confidence interval [CI] = 0.410 to 1.895) and approximately 1.0 to 1.3 mm greater AHD than the younger subjects (P = 0.011, 95%CI = 0.284 to 2.068 at rest; P = 0.037, 95%CI = 0.082 to 2.609 for 30° of arm elevation; P = 0.032, 95%CI = 0.120 to 2.458 for 60° of arm elevation). However, there were no differences in ΔAHD and OcAHD between the groups.
Conclusion
This study demonstrated that, compared with the younger subjects, the older subjects showed thicker supraspinatus tendon but no other SAI characteristics including decreases in AHD and increases in OcAHD. Thus, this study suggests that older subjects showed age-related SST abnormalities without SAI, although the magnitude of the differences in SST thickness is notably small and the clinical significance of this difference is unclear.
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3
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Ishigaki T, Hirokawa M, Ezawa Y, Yamanaka M. Supraspinatus Tendon Changes and Glenohumeral Range of Motion in College Baseball Players. Int J Sports Med 2021; 43:145-150. [PMID: 34265860 DOI: 10.1055/a-1524-2038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Baseball players commonly show altered glenohumeral range of motion during internal rotation, external rotation, total rotation, and horizontal adduction. These altered ranges of motion appear to be associated with throwing shoulder injuries, which frequently involve the supraspinatus tendons; thus, we aimed to examine the relationship between altered glenohumeral range of motion and supraspinatus tendon changes in collegiate baseball players. To investigate this association using the Pearson correlation coefficient, we measured glenohumeral internal rotation, external rotation, total rotation, and horizontal adduction ranges of motion and supraspinatus tendon thickness in 22 college baseball players. Consequently, there was a significant relationship between increase in supraspinatus tendon thickness and greater deficit of internal rotation (r=-0.520, P=0.013). Increased supraspinatus tendon thickness tended to be associated with greater external rotation gain (r=0.394, P=0.073). No other range of motion had any relationship with supraspinatus tendon changes. These results might indicate that restricted glenohumeral internal rotation and excessive gain in external rotation increase the risk of supraspinatus tendon abnormalities in baseball players.
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Affiliation(s)
- Tomonobu Ishigaki
- Graduate School of Human Life Design, Toyo University, Asaka, Japan.,Graduate School of Health Science, Hokkaido University, Sapporo, Japan
| | - Motoki Hirokawa
- Department of Rehabilitation, Obihiro Kosei Hospital, Obihiro, Japan
| | - Yuya Ezawa
- Department of Social and Human Science Course, Tokyo Institute of Technology, Meguro-ku, Japan
| | - Masanori Yamanaka
- Faculty of Health Science, Hokkaido Chitose College of Rehabilitation, Chitose, Japan
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Sawada N, Nakanishi K, Daimon M, Yoshida Y, Ishiwata J, Hirokawa M, Koyama K, Nakao T, Morita H, Di Tullio M, Homma S, Komuro I. Visceral fat accumulation and left atrial phasic function in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3021] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Obesity carries independent risk for incident atrial fibrillation (AF), although the impact of abdominal fat distribution on LA morphological and functional remodeling is not fully elucidated. Speckle-tracking echocardiography is a novel and sensitive tool that allows quantification and detection of subtle alterations in left atrial (LA) phasic function.
Purpose
This study aimed to investigate whether increased visceral adiposity is independently associated with impaired LA phasic function in a community-based cohort.
Methods
We included 527 participants without overt cardiac disease who underwent laboratory testing, abdominal computed tomographic examination and speckle-tracking echocardiography. Abdominal adiposity was quantitatively assessed as visceral fat area (VFA) and subcutaneous fat area (SFA) at the level of the umbilicus. Speckle-tracking echocardiography was performed to assess LA phasic function including reservoir, conduit and pump strain as well as left ventricular global longitudinal strain (LVGLS).
Results
Mean age was 57±10 years and 362 of the participants (69%) were men. LA reservoir and conduit strain were decreased according to the VFA quartiles (both p<0.05), whereas there was no significant difference in LA volume index and LA pump strain. When stratified by SFA, there was no significant differences in LA volume index and all LA phasic strain across the quartiles. In multivariable analysis, VFA as continuous variable was significantly associated with LA conduit strain, independent of traditional cardiovascular risk factors, pertinent laboratory parameters and LV morphology and function including LVGLS (standardized b=−0.146, p=0.011). Representative cases are shown in the Figure.
Conclusion
In a sample of the general population, VFA accumulation was independently associated with worse LA conduit strain, which may be involved in the pathophysiological mechanism of obesity-related AF.
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): Yamauchi Susumu Scholarship for Cardiovascular Research
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Affiliation(s)
- N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | - Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | | | - K Koyama
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University, New York, United States of America
| | - S Homma
- Columbia University, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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5
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Nakanishi K, Daimon M, Yoshida Y, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio M, Homma S, Komuro I. Carotid intima-media thickness and subclinical left heart dysfunction in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0098] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Although carotid intima-media thickness (IMT) is an established marker of atherosclerosis and carries independent risk for cardiovascular disease, its possible association with subclinical cardiac dysfunction has not been extensively evaluated. Left ventricular global longitudinal strain (LVGLS) and peak left atrial longitudinal systolic strain (PALS) can detect subclinical left heart dysfunction.
Purpose
This study aimed to investigate the association between carotid IMT and subclinical left heart dysfunction in a large sample of the general population without overt cardiac disease.
Methods
We examined 1,161 participants who underwent extensive cardiovascular examination. Ultrasonography of common carotid artery was performed for the measurement of maximal carotid IMT. LVGLS and PALS were assessed by 2-dimensional speckle-tracking echocardiography.
Results
Mean age was 62±12 years, and 56% were male. The prevalence of abnormal LVGLS (>−18.6%) and PALS (<31.4%) was greatest in the upper quartile of carotid IMT (both p<0.001; Figure). In multivariable analyses, carotid IMT was associated with abnormal LVGLS (adjusted odds ratio = 1.33 per 1SD increase of IMT, p=0.003) as well as PALS (adjusted odds ratio = 1.33 per 1SD increase of IMT, p=0.005) independent of traditional cardiovascular risk factors, echocardiographic parameters including LV ejection fraction, LV mass index and diastolic dysfunction, and pertinent laboratory parameters. The independent association between carotid IMT and PALS persisted even after adjustment for LVGLS. When carotid IMT was examined as a categorical variable, the upper quartile of carotid IMT carried a significant risk of abnormal LVGLS and PALS in a fully-adjusted model including echocardiographic and laboratory parameters (adjusted odds ratio 2.27 and 3.03 vs. lower quartile, both p<0.01).
Conclusion
Participants with increased IMT had significantly impaired LV and LA function in an unselected community-based cohort. This association may be involved in the higher incidence of cardiovascular disease in individuals with increased carotid IMT.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
| | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | - Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | - N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - H Kaneko
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - Y Mizuno
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University Medical Center, Medicine, New York, United States of America
| | - S Homma
- Columbia University Medical Center, Medicine, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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6
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Yoshida Y, Nakanishi K, Daimon M, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio M, Homma S, Komuro I. Sex-specific difference in the association between arterial stiffness and subclinical left ventricular dysfunction. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Increased arterial stiffness has been proposed as one of the key mechanisms of incident heart failure with preserved ejection fraction (HFpEF). However, the possible association between arterial stiffness and subclinical left ventricular (LV) dysfunction and possible sex-specific differences remain unclarified. LV strain is emerging as a highly sensitive tool to unmask early LV abnormalities.
Purpose
We investigated whether increased arterial stiffness is independently associated with subclinical LV dysfunction in a large community-based cohort without overt cardiovascular disease.
Methods
We examined 1,155 participants who underwent extensive cardiovascular examination. Speckle-tracking echocardiography was employed to assess LV global longitudinal strain (LVGLS) and circumferential strain (GCS), and arterial stiffness was assessed by cardio-ankle vascular index (CAVI).
Results
Mean age was 62±12 years, and 56% were male. CAVI as continuous variable was associated with abnormal LVGLS (>−18.6%), independent of cardiovascular risk factors and pertinent laboratory and echocardiographic parameters (adjusted odds ratio [OR] 1.23, p=0.034), whereas there was no relationship with LVGCS. In sex-stratified analysis, more pronounced association between quartiles of CAVI and abnormal LVGLS was observed in women than in men (unadjusted OR = 6.43 in women and 2.46 in men for upper quartile vs. lower quartile, both p<0.01; Figure). Multivariable analyses demonstrated that CAVI was significantly associated with abnormal LVGLS independent of cardiovascular risk factors in both sexes. However, after further adjustment for LV mass index and diastolic parameters, the independent association persisted in women (adjusted OR 1.49, p=0.041), but not in men (adjusted OR 1.15, p=0.209).
Conclusion
Increased arterial stiffness was independently associated with decreased LVGLS even in the absence of overt cardiovascular disease; a sex-specific pattern exists in the alteration of vascular-ventricular coupling, which might partially explain the greater susceptibility to HFpEF in women.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- Y Yoshida
- The University of Tokyo, Tokyo, Japan
| | | | - M Daimon
- The University of Tokyo, Tokyo, Japan
| | | | - N Sawada
- The University of Tokyo, Tokyo, Japan
| | | | - H Kaneko
- The University of Tokyo, Tokyo, Japan
| | - T Nakao
- The University of Tokyo, Tokyo, Japan
| | - Y Mizuno
- The University of Tokyo, Tokyo, Japan
| | - H Morita
- The University of Tokyo, Tokyo, Japan
| | - M Di Tullio
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - S Homma
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - I Komuro
- The University of Tokyo, Tokyo, Japan
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7
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Yoshida Y, Nakanishi K, Daimon M, Ishiwata J, Sawada N, Hirokawa M, Kaneko H, Nakao T, Mizuno Y, Morita H, Di Tullio MR, Yatomi Y, Homma S, Komuro I. 2140Association of arterial stiffness with left atrial structure and phasic function: a community-based cohort study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0087] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Increased arterial stiffness is recognized as an independent risk factor for atrial fibrillation, although the pathophysiological mechanisms remain unclear. Cardio-ankle vascular index (CAVI) is emerging as an important tool to assess arterial stiffness noninvasively which is derived from the concept of stiffness β index and is less dependent on blood pressure at the time of measurement than pulse wave velocity.
Purpose
This study aimed to investigate the association of arterial stiffness with left atrial (LA) volume and phasic function in a community-based cohort.
Methods
We included 1,156 participants without overt cardiovascular disease who underwent extensive cardiovascular examination. Arterial stiffness was evaluated by CAVI. Speckle-tracking echocardiography was employed to evaluate LA phasic function including reservoir, conduit and pump strain as well as left ventricular global longitudinal strain (LVGLS).
Results
CAVI was negatively correlated with reservoir and conduit strain (r=−0.37 and −0.45, both p<0.001; Figure), whereas weakly, but positively correlated with LA volume index and pump strain (r=0.12 and 0.09, both p<0.01). In multivariable analysis, CAVI was significantly associated with reservoir and conduit strain independent of traditional cardiovascular risk factors, pertinent laboratory parameters and LV morphology and function including LVGLS (standardized β=−0.22 and −0.26, respectively, both p<0.001), whereas there was no independent association with LA volume index and pump strain. In the categorical analysis, the abnormal CAVI (≥9.0) carried the significant risk of impaired reservoir (<31.4%) and conduit (<12.4%) strain (adjusted odds ratio = 2.63 and 3.71 vs. normal CAVI, both p<0.01) in a fully-adjusted model including laboratory and echocardiographic parameters.
Figure 1
Conclusion
Arterial stiffness was independently associated with LA reservoir and conduit function, even in the absence of overt cardiovascular disease. This association may explain the higher incidence of atrial fibrillation in individuals with increased arterial stiffness.
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Affiliation(s)
- Y Yoshida
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - K Nakanishi
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M Daimon
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - J Ishiwata
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - N Sawada
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M Hirokawa
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - H Kaneko
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - T Nakao
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - Y Mizuno
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - H Morita
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
| | - M R Di Tullio
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - Y Yatomi
- University of Tokyo, Clinical Laboratory, Tokyo, Japan
| | - S Homma
- Columbia University Medical Center, Division of Cardiology, New York, United States of America
| | - I Komuro
- University of Tokyo, Cardiovascular Medicine, Tokyo, Japan
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Kakudo K, Higuchi M, Hirokawa M, Satoh S, Jung CK, Bychkov A. Thyroid FNA cytology in Asian practice-Active surveillance for indeterminate thyroid nodules reduces overtreatment of thyroid carcinomas. Cytopathology 2017; 28:455-466. [DOI: 10.1111/cyt.12491] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2017] [Indexed: 01/31/2023]
Affiliation(s)
- K. Kakudo
- Department of Pathology; Kindai University Faculty of Medicine; Ikoma Japan
| | - M. Higuchi
- Department of Clinical Laboratory; Kuma Hospital; Kobe Japan
| | - M. Hirokawa
- Department of Diagnostic Pathology; Kuma Hospital; Kobe Japan
| | - S. Satoh
- Endocrine Surgery; Yamashita Thyroid Hospital; Fukuoka Japan
| | - C. K. Jung
- Department of Hospital Pathology; College of Medicine; The Catholic University of Korea; Seoul Korea
| | - A. Bychkov
- Department of Pathology; Faculty of Medicine; Chulalongkorn University; Bangkok Thailand
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Mizutori-Sasai Y, Maeda T, Suzuki A, Hirokawa M. An anomalous abundance of megakaryocytes in thyroid fine needle aspirates: two immunocytochemically confirmed cases. Cytopathology 2016; 28:341-342. [PMID: 28026899 DOI: 10.1111/cyt.12412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Y Mizutori-Sasai
- Department of Internal Medicine, Moriguchi Keijinkai Hospital, Moriguchi, Japan.,Department of Internal Medicine, Kuma Hospital, Kobe, Japan
| | - T Maeda
- Department of Pathology, Moriguchi Keijinkai Hospital, Moriguchi, Japan
| | - A Suzuki
- Department of Laboratory Science, Kuma Hospital, Kobe, Japan
| | - M Hirokawa
- Department of Diagnostic Pathology and Cytology, Kuma Hospital, Kobe, Japan
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10
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Higuchi M, Hirokawa M, Suzuki A, Takada N, Yamao N, Kuma S, Miyauchi A. Cytological features of solid variants of papillary thyroid carcinoma: a fine needle aspiration cytology study of 18 cases. Cytopathology 2016; 28:268-272. [PMID: 27862483 DOI: 10.1111/cyt.12399] [Citation(s) in RCA: 13] [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] [Accepted: 08/13/2016] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Solid variants of papillary thyroid carcinoma (SV-PTC) are rare, and there have been few reports describing the cytological findings of such variants. METHODS The cytological features of cellular specimens aspirated from 18 histologically confirmed SV-PTC cases were evaluated, retrospectively. RESULTS Solid and small papillary clusters were observed in 14 (77.8%) and 13 (72.2%) cases, respectively. The incidences of large papillary clusters (11.1%) and sheet-like arrangements (11.1%) were low. Nuclear features were consistent with conventional PTC. The background was clean, and there were no colloid materials, foamy histiocytes, multinucleated giant cells, psammoma bodies, or necrotic materials. CONCLUSIONS Solid clusters and small papillary clusters in conjunction with a clean background are diagnostic clues that indicate SV-PTC cytologically. It is thought that small papillary clusters reflect the micropapillary growth pattern seen within the lumen of middle-sized follicular structures. The presence of nuclear findings typical of conventional PTC and the absence of mitotic figures and necrotic materials are important for distinguishing SV-PTC from poorly differentiated carcinoma.
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Affiliation(s)
- M Higuchi
- Department of Laboratory Science, Kuma Hospital, Kobe, Japan
| | - M Hirokawa
- Department of Diagnostic Pathology and Cytology, Kuma Hospital, Kobe, Japan
| | - A Suzuki
- Department of Laboratory Science, Kuma Hospital, Kobe, Japan
| | - N Takada
- Department of Laboratory Science, Kuma Hospital, Kobe, Japan
| | - N Yamao
- Department of Laboratory Science, Kuma Hospital, Kobe, Japan
| | - S Kuma
- Department of Diagnostic Pathology and Cytology, Kuma Hospital, Kobe, Japan
| | - A Miyauchi
- Department of Surgery, Kuma Hospital, Kobe, Japan
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11
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Abstract
Objective: To review series of cases in which surgery was used to treat popliteal vein entrapment (PVE). Methods: Between 1984 and 2001, 11 patients (all women; mean age 27.6 years; 14 limbs) underwent surgery for PVE causing calf ache, swelling, and tenderness of the popliteal fossa. Preoperative evidence of PVE included positive results on a passive dorsi-flexion test, compression of the popliteal vein on ascending venography, hypertrophied or aberrant muscle in the popliteal fossa on CT scanning and elevated below-knee venous pressure. The medial or third head of the gastrocnemius muscle was partly or totally resected under the guidance of intraoperative venous pressure measurement and venography. Results: No operative complications occurred. During 3-10 years of follow-up, 57% of limbs were symptom-free, 21% were improved and 21% were unchanged. Conclusion: Treatment of PVE by resection of muscle fibres under the guidance of objective intraoperative assessments was effective in most patients.
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Affiliation(s)
- M. Hirokawa
- Division of Vascular Surgery, Department of Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - T. Iwai
- Division of Vascular Surgery, Department of Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Y. Inoue
- Division of Vascular Surgery, Department of Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - S. Sato
- Division of Vascular Surgery, Department of Surgery, Tokyo Medical and Dental University, Tokyo, Japan
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12
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Suzuki A, Hirokawa M, Takada N, Masuoka H, Miyauchi A. Thyroid follicular adenoma with numerous intracytoplasmic lumina mimicking yellow bodies: a case report. Cytopathology 2016; 27:495-498. [PMID: 27146719 DOI: 10.1111/cyt.12339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2016] [Indexed: 11/30/2022]
Affiliation(s)
- A Suzuki
- Department of Laboratory, Kuma Hospital, Kobe, Japan
| | - M Hirokawa
- Department of Diagnostic Pathology, Kuma Hospital, Kobe, Japan
| | - N Takada
- Department of Laboratory, Kuma Hospital, Kobe, Japan
| | - H Masuoka
- Department of Surgery, Kuma Hospital, Kobe, Japan
| | - A Miyauchi
- Department of Surgery, Kuma Hospital, Kobe, Japan
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13
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Ishigaki T, Ishida T, Samukawa M, Saito H, Hirokawa M, Ezawa Y, Sugawara M, Tohyama H, Yamanaka M. Comparing trapezius muscle activity in the different planes of shoulder elevation. J Phys Ther Sci 2015; 27:1495-7. [PMID: 26157248 PMCID: PMC4483426 DOI: 10.1589/jpts.27.1495] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Accepted: 01/20/2015] [Indexed: 11/24/2022] Open
Abstract
[Purpose] The purpose of this study was to compare the upper, middle, and lower trapezius
muscles’ activity in the different planes of shoulder elevation. [Subjects] Twenty male
subjects volunteered for this study. [Methods] Surface electromyographic (EMG) activity
for each of the three regions of the trapezius muscles in the three different planes of
elevation were collected while the participants maintained 30, 60, and 90 degrees of
elevation in each plane. The EMG data were normalized with maximum voluntary isometric
contraction (%MVIC), and compared among the planes at each angle of elevation. [Results]
There were significantly different muscle activities among the elevation planes at each
angle. [Conclusion] This study found that the three regions of the trapezius muscles
changed their activity depending on the planes of shoulder elevation. These changes in the
trapezius muscles could induce appropriate scapular motion to face the glenoid cavity in
the correct directions in different planes of shoulder elevation.
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Affiliation(s)
- Tomonobu Ishigaki
- Graduate School of Health Sciences, Hokkaido University, Japan ; Matsuda Orthopedic Memorial Hospital, Japan
| | - Tomoya Ishida
- Graduate School of Health Sciences, Hokkaido University, Japan ; Hokushin Hospital, Japan
| | - Mina Samukawa
- Faculty of Health Sciences, Hokkaido University, Japan
| | - Hiroshi Saito
- Faculty of Health Sciences, Hokkaido University, Japan
| | - Motoki Hirokawa
- Graduate School of Health Sciences, Hokkaido University, Japan
| | - Yuya Ezawa
- Matsuda Orthopedic Memorial Hospital, Japan
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Ishigaki T, Ishida T, Samukawa M, Saito H, Ezawa Y, Hirokawa M, Kato T, Sugawara M, Tohyama H, Yamanaka M. Does restriction of glenohumeral horizontal adduction reflect posterior capsule thickening of the throwing shoulder? J Phys Ther Sci 2015; 27:1299-302. [PMID: 26157205 PMCID: PMC4483383 DOI: 10.1589/jpts.27.1299] [Citation(s) in RCA: 12] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 01/11/2015] [Indexed: 11/29/2022] Open
Abstract
[Purpose] Glenohumeral posterior capsule tightness possibly relates to posterior capsule
thickness (PCT). The purpose of the current study was to analyze the relationships between
PCT and glenohumeral range of motion (ROM) in horizontal adduction (HAdd) and internal
rotation (IR). [Subjects and Methods] This study recruited 39 healthy collegiate baseball
players. We measured PCT by using ultrasonography and ROM of the glenohumeral joint of the
throwing shoulder by using a digital inclinometer. Pearson’s correlation coefficients were
calculated between PCT and HAdd or IR ROM. [Results] There was no correlation between PCT
and HAdd ROM, but PCT was significantly correlated with IR ROM. [Conclusion] This result
indicates that posterior shoulder capsule tightness only relates to IR ROM, and that
restricted HAdd ROM might reflect tightness of other tissue, such as the posterior
deltoid.
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Affiliation(s)
- Tomonobu Ishigaki
- Graduate School of Health Sciences, Hokkaido University, Japan ; Matsuda Orthopaedic Memorial Hospital, Japan
| | - Tomoya Ishida
- Graduate School of Health Sciences, Hokkaido University, Japan ; Hokushin Hospital, Japan
| | - Mina Samukawa
- Faculty of Health Sciences, Hokkaido University, Japan
| | - Hiroshi Saito
- Faculty of Health Sciences, Hokkaido University, Japan
| | - Yuya Ezawa
- Matsuda Orthopaedic Memorial Hospital, Japan
| | - Motoki Hirokawa
- Graduate School of Health Sciences, Hokkaido University, Japan
| | - Takumi Kato
- School of Health and Rehabilitation Sciences, University of Pittsburgh, USA
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15
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Yasuoka H, Tsujimoto M, Hirokawa M, Tori M, Nakahara M, Miyauchi A, Kodama R, Sanke T, Nakamura Y. Podocalyxin expression in undifferentiated thyroid carcinomas. J Clin Pathol 2015; 61:1228-9. [PMID: 18955579 DOI: 10.1136/jcp.2008.059956] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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16
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Ishigaki T, Yamanaka M, Hirokawa M, Tai K, Ezawa Y, Samukawa M, Tohyama H, Sugawara M. Rehabilitation Exercises to Induce Balanced Scapular Muscle Activity in an Anti-gravity Posture. J Phys Ther Sci 2014; 26:1871-4. [PMID: 25540485 PMCID: PMC4273045 DOI: 10.1589/jpts.26.1871] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 05/29/2014] [Indexed: 11/24/2022] Open
Abstract
[Purpose] The purpose of this study was to compare the intramuscular balance ratios of
the upper trapezius muscle (UT) and the lower trapezius muscle (LT), and the intermuscular
balance ratios of the UT and the serratus anterior muscle (SA) among prone extension
(ProExt), prone horizontal abduction with external rotation (ProHAbd), forward flexion in
the side-lying position (SideFlex), side-lying external rotation (SideEr), shoulder
flexion with glenohumeral horizontal abduction load (FlexBand), and shoulder flexion with
glenohumeral horizontal adduction load (FlexBall) in the standing posture. [Methods] The
electromyographic (EMG) activities of the UT, LT and SA were measured during the tasks.
The percentage of maximum voluntary isometric contraction (%MVIC) was calculated for each
muscle, and the UT/LT ratios and the UT/SA ratios were compared among the tasks. [Results]
The UT/LT ratio with the FlexBand was not significantly different from those of the four
exercises in the side-lying and prone postures. The UT/SA ratio with the FlexBall
demonstrated appropriate balanced activity. [Conclusion] In an anti-gravity posture, we
recommend the FlexBand and the FlexBall for inducing balanced UT/LT and UT/SA ratios,
respectively.
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Affiliation(s)
- Tomonobu Ishigaki
- Graduate School of Health Sciences, Hokkaido University, Japan ; Matsuda Orthopaedic Memorial Hospital, Japan
| | | | - Motoki Hirokawa
- Graduate School of Health Sciences, Hokkaido University, Japan
| | | | - Yuya Ezawa
- Graduate School of Health Sciences, Hokkaido University, Japan ; Matsuda Orthopaedic Memorial Hospital, Japan
| | - Mina Samukawa
- Faculty of Health Sciences, Hokkaido University, Japan
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17
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Hirokawa M, Oda K, Yamamoto A, Sasaguri S. A soft dual-port trocar for endoscopic subcutaneous surgery. Surg Endosc 2014; 15:520-3. [PMID: 11353979 DOI: 10.1007/s004640080117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2000] [Accepted: 10/16/2000] [Indexed: 11/27/2022]
Abstract
BACKGROUND We developed a new trocar for endoscopic subcutaneous surgery and tested it in subfascial endoscopic perforator surgery (SEPS) for varicose veins of the lower leg. METHODS The soft trocar is a y-shaped polyvinyl chloride bag equipped with two ports at one end and a flexible ring at the other end. We performed SEPS on 12 patients through a 2-cm incision below the knee. After dissection of the subfascial plane, the ring of the trocar was inserted beneath the fascia, and the subfascial cavity was inflated with CO2 gas. The perforating veins were divided with UltraShears (Autosuture, USSC, Norwalk, CT, USA) inserted through the second port of the trocar with an endoscope. RESULTS There were no major device-related difficulties or wound complications. CONCLUSION The soft trocar allowed both an endoscope and a surgical instrument to be inserted simultaneously in the tissue space through a single incision. This useful instrument may have applications in other endoscopic surgical procedures.
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Affiliation(s)
- M Hirokawa
- Department of Surgery II, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan.
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18
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Takagi N, Hirokawa M, Nobuoka Y, Higuchi M, Kuma S, Miyauchi A. Diffuse sclerosing variant of papillary thyroid carcinoma: a study of fine needle aspiration cytology in 20 patients. Cytopathology 2013; 25:199-204. [PMID: 23781895 DOI: 10.1111/cyt.12076] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND A diffuse sclerosing variant of papillary thyroid carcinoma (DSV-PTC) is a rare variant and reports describing the cytological findings are few. PATIENTS AND METHODS We studied 24 cytological samples from thyroid fine needle aspirates of 20 patients with DSV-PTC. The specimens were taken from 14 non-nodular lesions and 10 nodules. RESULTS All aspirates taken from both non-nodular lesions and nodules had sufficient cellularity. The carcinoma cells frequently (70-100%) appeared as solid cell balls and hollow balls, and showed a hobnail pattern, squamous differentiation, septate cytoplasmic vacuoles and large unilocular vacuoles. Most of the carcinoma cells seem to be taken from the lumen of dilated lymph vessels. Ground glass nuclear chromatin, intranuclear cytoplasmic inclusions and grooved nuclei were infrequent (50% or less). In the background, a large number of lymphocytes and abundant psammoma bodies were almost always seen. CONCLUSIONS Cytological findings of DSV-PTC are as follows: (1) solid cell balls and/or hollow balls containing lymphocytes; (2) hobnail cells; (3) septate cytoplasmic vacuoles; (4) large unilocular vacuoles; (5) squamous differentiation; (6) abundant psammoma bodies; (7) lymphocytic background; and (8) the absence or relative lack of characteristic nuclear features of papillary carcinoma. When DSV-PTC is suspected by ultrasound examination, the aspiration cytology from a non-nodular area of the thyroid can led us to the diagnosis of the variant.
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Affiliation(s)
- N Takagi
- Department of Clinical Laboratory, Kuma Hospital, Kobe, Japan
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Matsuse M, Takahashi M, Mitsutake N, Nishihara E, Hirokawa M, Kawaguchi T, Rogounovitch T, Saenko V, Bychkov A, Suzuki K, Matsuo K, Tajima K, Miyauchi A, Yamada R, Matsuda F, Yamashita S. The FOXE1 and NKX2-1 loci are associated with susceptibility to papillary thyroid carcinoma in the Japanese population. J Med Genet 2011; 48:645-8. [DOI: 10.1136/jmedgenet-2011-100063] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Fujishima N, Sawada KI, Hirokawa M, Oshimi K, Sugimoto K, Matsuda A, Teramura M, Karasawa M, Arai A, Yonemura Y, Nakao S, Urabe A, Omine M, Ozawa K. Long-term responses and outcomes following immunosuppressive therapy in large granular lymphocyte leukemia-associated pure red cell aplasia: a Nationwide Cohort Study in Japan for the PRCA Collaborative Study Group. Haematologica 2008; 93:1555-9. [DOI: 10.3324/haematol.12871] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Abstract
Frequency of a BRAFV600E mutation in anaplastic thyroid carcinoma, which is thought to be derived mainly from papillary carcinoma by multi-step carcinogenesis, is much lower than that in papillary carcinomas. To clarify this phenomenon, we analysed BRAFV600E mutation in 20 cases of anaplastic carcinoma and 13 accompanying differentiated carcinomas. Among twenty cases of anaplastic carcinomas, nine and four accompanied papillary and follicular carcinomas, respectively. BRAFV600E mutation was found in four (20%) cases. BRAFV600E mutation was found in three of nine (33.3%), none of four and one of seven (14.3%) anaplastic carcinomas with papillary carcinoma, follicular carcinoma and without differentiated components, respectively. All three papillary carcinomas accompanied by anaplastic carcinoma with a BRAFV600E mutation were also shown to have a BRAFV600E mutation. In summary, BRAFV600E mutation was occasionally observed in anaplastic carcinomas with papillary carcinoma, and the low frequency of BRAFV600E mutation in anaplastic carcinoma was thought to be due to the low frequency of anaplastic carcinomas with papillary carcinoma. These findings raise a question about the classical model of anaplastic transformation and suggest some roles of thyroid cancer stem cells in the generation of anaplastic carcinoma.
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Affiliation(s)
- T Takano
- Department of Laboratory Medicine, Osaka University Graduate School of Medicine, D2, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.
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22
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Fujishima N, Hirokawa M, Fujishima M, Yamashita J, Saitoh H, Ichikawa Y, Horiuchi T, Kawabata Y, Sawada KI. Skewed T cell receptor repertoire of Vdelta1(+) gammadelta T lymphocytes after human allogeneic haematopoietic stem cell transplantation and the potential role for Epstein-Barr virus-infected B cells in clonal restriction. Clin Exp Immunol 2007; 149:70-9. [PMID: 17425654 PMCID: PMC1942033 DOI: 10.1111/j.1365-2249.2007.03388.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [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: 11/29/2022] Open
Abstract
The proliferation of Vdelta1(+) gammadelta T lymphocytes has been described in various infections including human immunodeficiency virus (HIV), cytomegalovirus (CMV) and malaria. However, the antigen specificity and functions of the human Vdelta1(+) T cells remain obscure. We sought to explore the biological role for this T cell subset by investigating the reconstitution of T cell receptor (TCR) repertoires of Vdelta1(+) gammadelta T lymphocytes after human allogeneic haematopoietic stem cell transplantation (HSCT). We observed skewed TCR repertoires of the Vdelta1(+) T cells in 27 of 44 post-transplant patients. Only one patient developed EBV-associated post-transplant lymphoproliferative disorder in the present patient cohort. The -WGI- amino acid motif was observed in CDR3 of clonally expanded Vdelta1(+) T cells in half the patients. A skew was also detected in certain healthy donors, and the Vdelta1(+) T cell clone derived from the donor mature T cell pool persisted in the recipient's blood even 10 years after transplant. This T cell clone expanded in vitro against stimulation with autologous EBV-lymphoblastoid cell lines (LCL), and the Vdelta1(+) T cell line expanded in vitro from the same patient showed cytotoxicity against autologous EBV-LCL. EBV-infected cells could also induce in vitro oligoclonal expansions of autologous Vdelta1(+) T cells from healthy EBV-seropositive individuals. These results suggest that human Vdelta1(+) T cells have a TCR repertoire against EBV-infected B cells and may play a role in protecting recipients of allogeneic HSCT from EBV-associated disease.
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Affiliation(s)
- N Fujishima
- Division of Hematology and Oncology, Department of Medicine, Akita University School of Medicine, Akita, Japan
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Ishigaki S, Hirokawa M, Yatani H. 262 AN INCREASE IN NOCICEPTIVE PAIN PERCEPTION THRESHOLD DID NOT RESULT IN THE DECREASE IN SUBJECTIVE PAIN INTENSITY IN FEMALE. Eur J Pain 2006. [DOI: 10.1016/s1090-3801(06)60265-6] [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: 11/24/2022]
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24
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Hirokawa M, Kume M, Wu T, Ishikawa K, Sawada KI. Laryngeal stenosis associated with chronic graft-versus-host disease following unrelated bone marrow transplantation. Bone Marrow Transplant 2006; 38:387-8. [PMID: 16862163 DOI: 10.1038/sj.bmt.1705451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kudo T, Inoue Y, Nakamura H, Sugano N, Hirokawa M, Iwai T. Characteristics of Peripheral Microembolization During Iliac Stenting: Doppler Ultrasound Monitoring. Eur J Vasc Endovasc Surg 2005; 30:311-4. [PMID: 15890546 DOI: 10.1016/j.ejvs.2005.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [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: 09/28/2004] [Accepted: 04/04/2005] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate the characteristics of distal microembolic signals (MES) during iliac stenting using Doppler ultrasound monitoring. DESIGN Prospective clinical study. METHODS A 2-MHz probe was used to monitor continuously at the ipsilateral tibioperoneal trunks during technically and hemodynamically successful iliac stenting in 10 patients without infrainguinal occlusive lesion. MESs at guide-wire, balloon, or stent crossing (phase 1), predilatation (phase 2), stent deployment (phase 3), postdilatation (phase 4), and contrast medium or heparinized saline injection (at injection) were analyzed. Differentiation of gaseous emboli from particulate emboli was achieved by calculation of the sample volume length. RESULTS No distal embolic complications were observed. Five hundred and forty-one MESs were detected. The MES incidence and intensity in phase 3 were significantly higher than those in phase 1, phase 2, and phase 4 (p<0.05). The MES intensity at injection was significantly higher than that in each of four phases (p<0.0001). CONCLUSIONS Both the MES incidence and intensity were highest at stent deployment. Further study is required of microembolism during endovascular procedures in the lower extremities.
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Affiliation(s)
- T Kudo
- Department of Vascular and Applied Surgery, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan.
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Saitoh H, Hirokawa M, Fujishima N, Ichikawa Y, Kawabata Y, Miura I, Miura AB, Matsutani T, Suzuki R, Sawada K. The presence and longevity of peripherally expanded donor-derived TCRalphabeta+ mature T lymphocyte clones after allogeneic bone marrow transplantation for adult myeloid leukemias. Leukemia 2003; 17:1626-35. [PMID: 12886252 DOI: 10.1038/sj.leu.2402994] [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] [Indexed: 11/09/2022]
Abstract
There are two major pathways for T-cell regeneration after allogeneic bone marrow transplantation; thymus-dependent T-cell differentiation of T-cell progenitors, and peripheral expansion of mature T cells in the graft. In order to learn to what extent the peripheral expansion of donor-derived mature T lymphocytes contributes to reconstitution of the TCRalphabeta+ T-cell repertoire after allogeneic bone marrow transplantation for adult myeloid leukemias, we pursued the fate of donor-derived T-cell clones using the amino-acid sequences of the complementarity-determining region 3 (CDR3) of the TCR-beta chain as a clonal marker. Clonal expansion of TCRalphabeta+ T lymphocytes with specific TCRBV subfamilies was identified in donor blood. Identical T-cell clones were not found in blood from recipients before transplantation. The donor-derived T-cell clones were identified in the circulating blood from recipients a few months after allogeneic bone marrow transplantation, and they remained in the blood for 18 months after transplant in two recipients, and for 56 months in one. These results suggest that the peripheral expansion of mature T lymphocytes in the graft makes a significant contribution to post-transplant T-cell regeneration during the early period of transplantation in humans, and that mature T cells can survive in recipients for several years. Further investigation will be required to explore which antigens drive the expansion of T-cell clones in donors and recipients, and the mechanisms of maintaining homeostatic balance between the thymus-dependent pathway and the peripheral expansion of mature T cells in post-transplant T-cell regeneration.
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Affiliation(s)
- H Saitoh
- Department of Internal Medicine III, Akita University School of Medicine, Akita, Japan
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Abstract
BACKGROUND AND AIMS The early responses of the oesophageal mucosa to acid perfusion may predict subsequent pathology. Mucosal responses to luminal acid may result either from acid permeating through the mucosa or from other unknown transduction mechanisms. In order to better understand the dynamics of acid permeation into the oesophageal mucosa, we measured interstitial pH (pH(int)) of the oesophageal basal epithelial layer, pre-epithelial layer thickness, and blood flow in rats in vivo during luminal acid challenge. A novel confocal microscopic technique was used in vitro to measure pH(int) from defined cellular sites in response to luminal and basolateral acidification. METHODS 5-(and-6)-Carboxyfluorescein (CF) and carboxy-seminapthorhodofluor-1 (SNARF-1) fluorescence was used to measure pH(int) by conventional and confocal microscopy, respectively, in urethane anaesthetised rats. Pre-epithelial layer thickness was measured optically with carbon particles as markers. Blood flow was measured with laser Doppler flowmetry. RESULTS Luminal acidification failed to alter pH(int) in vivo and in vitro, but pH(int) was lowered by modest serosal acidification. Pre-epithelial layer thickness and blood flow increased significantly during luminal surface acid perfusion. Indomethacin had no effect on any acid related response. CONCLUSION In this first dynamic measurement of oesophageal acid permeation and pre-epithelial layer thickness, pH(int) was preserved in spite of high luminal acidity by two complementary techniques. Despite the apparent permeability barrier to acid permeation, oesophageal blood flow and thickness responded to luminal acid perfusion.
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Affiliation(s)
- S Tanaka
- West Los Angeles Veterans Affairs Medical Centre, CURE: Digestive Diseases Research Centre, and Department of Medicine, School of Medicine, University of California Los Angeles, Los Angeles, CA, 90073, USA
| | - S Chu
- Department of Physiology, Indiana University, School of Medicine, Indianapolis, Indiana, 46202, USA
| | - M Hirokawa
- West Los Angeles Veterans Affairs Medical Centre, CURE: Digestive Diseases Research Centre, and Department of Medicine, School of Medicine, University of California Los Angeles, Los Angeles, CA, 90073, USA
| | - M H Montrose
- Department of Physiology, Indiana University, School of Medicine, Indianapolis, Indiana, 46202, USA
| | - J D Kaunitz
- West Los Angeles Veterans Affairs Medical Centre, CURE: Digestive Diseases Research Centre, and Department of Medicine, School of Medicine, University of California Los Angeles, Los Angeles, CA, 90073, USA
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Abstract
Peripheral blood stem cells (PBSC) are increasingly used for stem cell transplantation after high dose chemotherapy. CD34+ cell selection has also been done for use in autologous transplantation studies Bone marrow (BM) may contain tumor cells at the time of harvesting, and on re-infusion, these cells could contribute to a subsequent relapse. Similarly, tumor cell contamination of PBSC collections has been found in a number of studies. Therefore, purging contaminating tumor cells may prevent cases of relapse. As most tumor cell types do not express CD34 antigen, one of the most widespread applications of CD34+ cell selection is likely to be in tumor cell purging. Similarly, CD34+ cell selection has aided allogeneic transplantation studies. Acute graft-versus-host disease (aGVHD) is a major cause of morbidity and mortality in cases of allogeneic transplantation. As aGVHD is mediated by donor T cells, removal of T cells from the graft by CD34+ cell selection may ensure prophylaxis against aGVHD. Further, high-dose immunosuppression followed by CD34+ cell-selected stem cell rescue is theoretically reasonable as a therapeutic tool for patients with autoimmune disease resistant to conventional therapy. However, patients given T cell-depleted transplantation have an increased risk of opportunistic infection as well as malignancies related to immunosuppression; therefore, close monitoring is warranted. We describe here clinical applications of CD34+ cell-selected PBSC for a variety of diseases, with special emphasis on the efficacy as well as drawbacks of this novel technique.
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Affiliation(s)
- Y Kawabata
- Department of Internal Medicine III, Akita University School of Medicine, Akita, Japan
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Xu B, Miyauchi A, Uchino S, Sekihara Y, Hirokawa M, Sano T, Yoshimoto K. A predominant increase in the APC gene isoform with exon 9a in a case of attenuated familial adenomatous polyposis. Clin Genet 2003; 63:71-2. [PMID: 12519375 DOI: 10.1034/j.1399-0004.2003.630111.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Hirokawa M, Matsutani T, Saitoh H, Ichikawa Y, Kawabata Y, Horiuchi T, Kitabayashi A, Yoshioka T, Tsuruta Y, Suzuki R, Miura AB, Sawada K. Distinct TCRAV and TCRBV repertoire and CDR3 sequence of T lymphocytes clonally expanded in blood and GVHD lesions after human allogeneic bone marrow transplantation. Bone Marrow Transplant 2002; 30:915-23. [PMID: 12476285 DOI: 10.1038/sj.bmt.1703730] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2002] [Accepted: 07/28/2002] [Indexed: 11/08/2022]
Abstract
Acute graft-versus-host disease (GVHD) is a disorder involving the skin, gut and liver that is caused by mismatches of major and/or minor histocompatibility antigens between the HLA-identical donor and recipient. If T lymphocytes infiltrating GVHD lesions recognize antigens expressed in these organs, T cell clones should expand in inflammatory tissues. We previously reported that recipients of allogeneic bone marrow grafts have clonally expanded TCRalphabeta(+) T lymphocytes soon after transplantation, which leads to a skew of TCR repertoires. To establish whether or not the same antigens cause clonal expansion of T lymphocytes in both blood and GVHD tissues, we examined the usage of TCR alpha and beta chain variable regions (TCRAV and TCRBV) and determined the complementarity-determining region 3 (CDR3) of T lymphocytes clonally expanded in circulating blood and GVHD lesions. We found that the repertoires and CDR3 diversity of TCRAV and TCRBV differed between the GVHD lesions and circulating blood, suggesting the selective recruitment of antigen-specific T cells into GVHD tissues. We also found that the usage of TCRAV and TCRBV by the clonally expanded T lymphocytes and their CDR3 sequences differed between the GVHD tissues and blood. These results suggest that the antigen specificity of TCRalphabeta(+) T lymphocytes clonally expanded in blood and GVHD lesions is different.
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Affiliation(s)
- M Hirokawa
- Department of Internal Medicine III, Akita University School of Medicine, Akita, Japan
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Tanaka Y, Hirokawa M, Wakatsuki S, Sano T. Metastatic adenocarcinoma of the lymph node: peculiar desmoplasia mimicking intravenous metastasis. Histopathology 2002; 41:566-7. [PMID: 12460214 DOI: 10.1046/j.1365-2559.2002.01457_5.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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36
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Kishikawa H, Miura S, Yoshida H, Hirokawa M, Nakamizo H, Higuchi H, Adachi M, Nakatsumi RC, Suzuki H, Saito H, Ishii H. Transmural pressure induces IL-6 secretion by intestinal epithelial cells. Clin Exp Immunol 2002; 129:86-91. [PMID: 12100026 PMCID: PMC1906408 DOI: 10.1046/j.1365-2249.2002.01895.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Although intestinal epithelial cells (IECs) are known as an important source for IL-6, it is not known whether mechanical forces affect IL-6 production. We investigated how transmural pressure modulates IL-6 synthesis and activation of transcription factors in IECs. Pressure was loaded onto IEC-18 cells by introducing compressed helium gas into the cell culture flask for 1-48 h. IL-6 release into the culture media was determined by cell proliferation bioassay using an IL-6-dependent mouse hybridoma cell line (7TD1). Exposure to pressure (80 mmHg) significantly enhanced IL-6 release into the culture media from IEC-18 cells at 12 h. Under control conditions, IL-6 secretion was directed to the basolateral side, but after exposure to pressure IL-6 secretion was increased in both the apical and basolateral sides. A nuclear factor kappa B (NF-kappaB) decoy reversed completely the pressure-induced increase of IL-6 secretion by IEC-18 cells. Pressure treatment enhanced IL-6 mRNA expression in IECs within 6 h. Pressure loading significantly enhanced the activation of both NF-kappaB and NF-IL-6 from 1h in the nuclear protein of IEC-18 cells as assessed by the electrophoretic mobility shift assay using FITC-conjugated specific primers. Increased phosphorylation of I-kappa B was also demonstrated in the cytosol of IEC cells within 1h by Western blot analysis. These results suggest a possible role for pressure loading in immune modulation of the intestinal mucosa by the stimulation of IL-6 release from intestinal epithelial cells.
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Affiliation(s)
- H Kishikawa
- Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
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Jibiki M, Inoue Y, Kurihara N, Tamai S, Kubota T, Hirokawa M, Sugano N, Nakashima E, Iwai T. The proximal form of mural thrombus in aortoiliac occlusive disease using computed tomography. INT ANGIOL 2002; 21:123-7. [PMID: 12110771] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
BACKGROUND It is important to know the nature of proximal thrombus in patients with aortoiliac occlusive disease (AIOD) when juxtarenal aortic clamping is scheduled. This study was aimed to evaluate the shape and nature of thrombi at several sites of the abdominal aorta in patients with AIOD using enhanced computed tomography (CT). Final judgment was made according to the operative findings. METHODS Between the years 1999 and 2001, 22 patients, who underwent aortobifemoral bypass, were enrolled. The shape and nature of their thrombi were examined at 4 points (superior mesenteric, suprarenal, juxtarenal and infrarenal arteries at the level of the 2 cm before the renal artery) and 88 slices of CT were examined retrospectively. RESULTS There was mural thrombus in 31 slices, which could be classified into 4 shapes (crescent-shaped: 10 cases; magatama: 2; wavy: 12; circular: 6). The wavy and circular shaped thrombi were found to be atheromatous. Nine cases (40.9%) on operative findings were atheroma (wavy: 4; circular shaped: 5). The crescent shape might correspond to fibrin thrombus. Atheromatous thrombus clamping near the renal artery was thought to cause microthromboembolism to surrounding organs. CONCLUSIONS It is recommended that the more proximal aorta or splanchnic arteries should be temporarily clamped during proximal procedures in patients with wavy or circular shaped thrombi at the juxtarenal aorta to prevent kidney or bowel infarction.
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Affiliation(s)
- M Jibiki
- Division of Vascular Surgery, Department of Surgery, Tokyo Medical and Dental University, Graduate School of Medicine, Yushima, Bunkyoku, Tokyo, Japan.
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Hirokawa M, Sugihara K, Sai T, Monobe Y, Kudo H, Sano N, Sano T. Secretory carcinoma of the breast: a tumour analogous to salivary gland acinic cell carcinoma? Histopathology 2002; 40:223-9. [PMID: 11895487 DOI: 10.1046/j.1365-2559.2002.01346.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [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
AIMS Acinic cell-like breast carcinoma is a newly recognized entity, and few acinic cell-like breast carcinoma cases have been reported. All reported acinic cell-like breast carcinomas were counterparts of the solid type of acinic cell carcinoma of the salivary gland. We report here three cases of secretory breast carcinoma with acinic cell differentiation, and discuss the similarity between secretory breast carcinoma and acinic cell carcinoma of the salivary gland. METHODS AND RESULTS The cases were histologically identical to acinic cell carcinoma of the salivary gland: papillary-cystic type in case 1, a mixture of papillary-cystic, microcystic and follicular type in case 2, and microfollicular type in case 3. Immunohistochemically, the tumour cells were positive for salivary-type amylase, lysozyme, S100 protein and alpha 1-antitrypsin, and negative or less reactive for gross cystic disease fluid protein-15 and oestrogen receptor. All three cases did not reveal metastasis or recurrence. CONCLUSIONS These cases were typical of secretory breast carcinoma, and were clinically, histologically and immunohistochemically analogous to acinic cell carcinoma of the salivary gland. We emphasize that secretory breast carcinoma and acinic cell carcinoma of the salivary gland may be identical lesions.
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Affiliation(s)
- M Hirokawa
- Department of Pathology, University of Tokushima School of Medicine, Tokushima, Japan.
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Hirokawa M, Horiguchi H, Wakatsuki S, Miki H, Sonoo H, Manabe T, Sano T. Intranodal benign thyroid tissue: significance of HBME-1 in differentiation from metastatic papillary thyroid carcinoma. APMIS 2001; 109:875-80. [PMID: 11846730 DOI: 10.1034/j.1600-0463.2001.091211.x] [Citation(s) in RCA: 2] [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: 11/23/2022]
Abstract
The aim of this study was to determine the significance of HBME-1 immunostaining in the differentiation between intranodal benign thyroid tissue and metastatic papillary thyroid carcinoma in the lymph node. Immunohistochemically we examined normal-appearing intranodal thyroid tissue in four patients who did not show evidence of papillary carcinoma histologically or clinically. We also examined follicular-pattern-predominant papillary carcinoma with metastatic foci in the lymph nodes. Normal-appearing intranodal thyroid tissue and normal thyroid showed no immunopositivity for HBME-1. In contrast, all papillary carcinomas in both the lymph nodes and thyroid demonstrated strong positivity for HBME-1. HBME-1 was predominantly positive for the luminal surface of the tumor cells. The immunopositivity of the cuboidal and low columnar carcinoma cells was more intensive than that of the flat-shaped cells in the lymph nodes and thyroid. The results probably indicate that HBME-1 immunostaining is helpful in distinguishing between intranodal benign thyroid tissue and metastatic papillary carcinoma in lymph nodes. We emphasize that the HBME-1 reactivity should be evaluated in connection with the histological findings, and that positive and negative controls stained in parallel are necessary.
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Affiliation(s)
- M Hirokawa
- Department of Pathology, University of Tokushima School of Medicine, Tokushima, Japan.
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40
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Yoshida H, Miura S, Kishikawa H, Hirokawa M, Nakamizo H, Nakatsumi RC, Suzuki H, Saito H, Ishii H. Fatty acids enhance GRO/CINC-1 and interleukin-6 production in rat intestinal epithelial cells. J Nutr 2001; 131:2943-50. [PMID: 11694623 DOI: 10.1093/jn/131.11.2943] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [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: 11/14/2022] Open
Abstract
Intestinal mucosal immunity is modulated by cytokine release from intestinal cells, but little is known about the relation between nutrient absorption and cytokine release. In this study, we examined how exposure to fatty acids affects the production of growth-regulated oncogene/cytokine-induced neutrophil chemoattractant-1 (GRO/CINC-1) and interleukin (IL)-6 in rat intestinal epithelial cells (IEC). The long-chain fatty acids, oleic, linoleic and arachidonic acids, and the middle-chain fatty acid octanoic acid were administered to subconfluent cultures of IEC-6 cells alone, or in combination with IL-1beta and transforming growth factor (TGF)-beta. The GRO/CINC-1 and IL-6 concentrations in culture media were determined by sandwich enzyme immunoassay. In epithelial cells, GRO/CINC-1 and IL-6 mRNA expression were examined by reverse transcriptase-polymerase chain reaction (RT-PCR) and mitogen-activated protein kinase (MAPK) activities determined by immunoblotting. Administration of long-chain fatty acids significantly increased the GRO/CINC-1 and IL-6 secretion into culture media, and this secretion was markedly increased (P < 0.05) in the presence of IL-1beta or TGF-beta. Octanoic acid had no effect on GRO/CINC-1 or IL-6 production. Furthermore, treatment with long-chain fatty acids significantly enhanced the GRO/CINC-1 and IL-6 expression that was induced by IL-1beta or TGF-beta. MAPK activity was significantly enhanced by treatment with long-chain fatty acids. Inhibitors of phospholipase C, protein kinase C or MAPK significantly reduced the fatty acid-induced increase in GRO/CINC-1 secretion, whereas a calcium/calmodulin inhibitor did not attenuate the secretion. These results suggest that long-chain fatty acids enhance cytokine release under conditions of inflammatory stimulation in the intestinal mucosa.
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Affiliation(s)
- H Yoshida
- Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
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Abstract
To clarify the diagnostic significance of abnormal venous structures present in salivary gland tumors, we examined 21 pleomorphic adenomas, 14 Warthin tumors, 1 oncocytic adenoma, 3 myoepitheliomas, 7 basal cell adenomas, 5 mucoepidermoid carcinomas, and 6 adenoid cystic carcinomas. Verhoeffvan Gieson staining was carried out and the morphology of the veins within the tumors was observed microscopically. Branching veins, thickened intima of the veins, discontinuous elastic membrane and multilayered elastic membrane were seen in 71.4%, 76.2%, 47.6% and 85.7% of pleomorphic adenomas, respectively, and were abundant and easily found in most cases. The abnormal venous structures were also found in other salivary gland tumors examined, but they were few in number and lacked variety. Elastic fibers extending radially into the surrounding stroma were seen in 66.7% of pleomorphic adenomas, and were not seen in other salivary gland tumors. Our results showed that a variety of abnormal venous structures are more abundant and more easily found in pleomorphic adenoma compared with other salivary gland tumors, and, in particular, that perivascular radiating elastic fibers are characteristic of pleomorphic adenoma. We emphasize that the presence of perivascular radiating elastic fibers may be helpful in diagnosing pleomorphic adenoma in small biopsy specimens.
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Affiliation(s)
- M Hirokawa
- Department of Pathology, University of Tokushima School of Medicine, Japan.
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Hirokawa M, Miura S, Kishikawa H, Yoshida H, Nakamizo H, Higuchi H, Nakatsumi RC, Suzuki H, Saito H, Ishii H. Loading of mechanical pressure activates mitogen-activated protein kinase and early immediate gene in intestinal epithelial cells. Dig Dis Sci 2001; 46:1993-2003. [PMID: 11575455 DOI: 10.1023/a:1010607819842] [Citation(s) in RCA: 15] [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: 12/09/2022]
Abstract
Intestinal mucosa is continuously exposed to mechanical forces. We examined whether pressure loading activates mitogen-activated protein kinase (MAPK) and expression of early immediate genes in intestinal epithelial cells. Pressure was applied to IEC18 cells by helium gas in a culture flask and pressure-induced cell proliferation was examined. The expression of early immediate genes, MAPK activity, and activation of nuclear factor activator protein-1 (AP-1) were also examined. Pressures significantly promoted cell proliferation with peak effect at 80 mm Hg. Pretreatment with either a protein kinase C inhibitor or tyrosine kinase inhibitors, but not calcium chelating agents significantly inhibited cell proliferation promoted by pressure. Early inductions of c-myc and c-fos proteins, increased activity of MAPK, and activation of AP-1 were observed by pressure loading. Our study showed that intestinal mucosal cell proliferation is promoted by mechanical pressure and various intracellular signaling pathways are involved in the process.
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Affiliation(s)
- M Hirokawa
- Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan
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43
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Ikeda M, Hirokawa M, Satani N, Kinoshita T, Watanabe Y, Inoue H, Tone S, Ishikawa T, Minatogawa Y. Molecular cloning and characterization of a steroid receptor-binding regulator of G-protein signaling protein cDNA. Gene 2001; 273:207-14. [PMID: 11595167 DOI: 10.1016/s0378-1119(01)00589-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [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: 12/21/2022]
Abstract
Steroid hormone receptors are composed of six major functional domains, i.e. the A/B domains as the activation function 1 domain (AF-1), domain C as the DNA-binding domain, domain D as a hinge domain and domain E/F as the ligand-dependent transcriptional domain (AF-2). They regulate gene transcription through interactions with various nuclear factors of their domains, such as AF-1 and AF-2. We have insufficient knowledge of the function of the DNA-binding domain (domain C) except for its DNA-binding function or the hinge domain (domain D). Therefore, we attempted to identify factors interacting with the domains by using a yeast two-hybrid system. Domains C and D of estrogen receptor alpha were used as a bait to isolate cDNA clones from a rat ovary cDNA library. We isolated the cDNA clone of a novel steroid receptor-binding protein bearing the regulator of G-protein signaling (RGS) designated as SRB-RGS. The protein repressed the transcriptional activity of estrogen receptor alpha, suggesting cross-talk of steroid hormones and peptide hormones (or growth factors) for signal transductions mediated by SRB-RGS.
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MESH Headings
- Amino Acid Sequence
- Animals
- Base Sequence
- Binding Sites/genetics
- Blotting, Northern
- COS Cells
- Cloning, Molecular
- DNA, Complementary/chemistry
- DNA, Complementary/genetics
- DNA, Complementary/isolation & purification
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Female
- Gene Expression Regulation
- Gene Library
- Molecular Sequence Data
- Protein Binding
- RGS Proteins
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Rats
- Receptors, Estrogen/genetics
- Receptors, Estrogen/metabolism
- Receptors, Steroid/genetics
- Receptors, Steroid/metabolism
- Repressor Proteins/genetics
- Repressor Proteins/metabolism
- Saccharomyces cerevisiae/genetics
- Sequence Analysis, DNA
- Tissue Distribution
- Transcription, Genetic
- Two-Hybrid System Techniques
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Affiliation(s)
- M Ikeda
- Department of Biochemistry, Kawasaki Medical School, 577 Matsushima Kurashiki, 701-0192, Okayama, Japan.
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Horiguchi H, Sano T, Toi H, Kageji T, Hirokawa M, Nagahiro S. Endolymphatic sac tumor associated with a von Hippel-Lindau disease patient: an immunohistochemical study. Mod Pathol 2001; 14:727-32. [PMID: 11455007 DOI: 10.1038/modpathol.3880380] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [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: 11/08/2022]
Abstract
The authors report a case of endolymphatic sac tumor (ELST) associated with Von Hippel-Lindau disease (VHL). A 20-year-old female VHL patient received a resection of a cerebellar hemangioblastoma 3 years ago and she had a co-existing of left petrous tumor. The petrous tumor showed a remarkable progression in 3 years and was resected subtotally. Histologically, the resected petrous tumor showed a papillary structure containing cuboidal or columnar cells with fibrous stroma and numerous microvessels and destructed temporal bone, all of which are consistent with ELST. We studied the expression of various kinds of cytokeratins (CKs) immunohistochemically and found distinct expression of CKs (CAM 5.2, 34betaE-12, CK7, CK8 and CK19), but not for CK10/13 or CK20. Vascular endothelial growth factor and neuron specific enolase showed strong immunoreactivity in the tumor cells. CD34 also had weak expression. Ki-67 antigen (MIB-1) immunoreactivity was found in focal areas, and the labeling index in the highest-density area was 48.9%. These findings suggest that vascular endothelial growth factor overexpression is an important factor for angiogenesis in ELST, much like other VHL-associated tumors, and that ELST may have a more highly aggressive component than the low-grade malignancy noted in previous reports.
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Affiliation(s)
- H Horiguchi
- Department of Pathology, University of Tokushima School of Medicine, Kuramoto, Tokushima, Japan.
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MESH Headings
- Aged
- Aged, 80 and over
- Antigens, CD/metabolism
- Antigens, Differentiation, Myelomonocytic/metabolism
- Apolipoproteins
- Apolipoproteins D
- Axilla
- Biomarkers, Tumor/analysis
- Breast/metabolism
- Breast/pathology
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Breast Neoplasms/surgery
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/secondary
- Carcinoma, Ductal, Breast/surgery
- Carrier Proteins/metabolism
- Epithelial Cells/metabolism
- Epithelial Cells/pathology
- Female
- Foam Cells/metabolism
- Foam Cells/pathology
- Glycoproteins
- Histiocytes/metabolism
- Histiocytes/pathology
- Humans
- Immunohistochemistry
- Lymph Nodes/pathology
- Lymphatic Metastasis
- Membrane Transport Proteins
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46
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Horiuchi T, Hirokawa M, Kawabata Y, Kitabayashi A, Matsutani T, Yoshioka T, Tsuruta Y, Suzuki R, Miura AB. Identification of the T cell clones expanding within both CD8+CD28+ and CD8+CD28− T cell subsets in recipients of allogeneic hematopoietic cell grafts and its implication in post-transplant skewing of T cell receptor repertoire. Bone Marrow Transplant 2001; 27:731-9. [PMID: 11360114 DOI: 10.1038/sj.bmt.1702859] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2000] [Accepted: 12/19/2000] [Indexed: 11/09/2022]
Abstract
We have previously reported that skewed repertoires of T cell receptor-beta chain variable region (TCRBV) and TCR-alpha chain variable region (TCRAV) are observed at an early period after allogeneic hematopoietic cell transplantation. Furthermore, we found that T lymphocytes using TCRBV24S1 were increased in 28% of the recipients of allogeneic grafts and an increase of TCRBV24S1 usage was shown to result from clonal expansions. Interestingly, the arginine residue was frequently present at the 3' terminal of BV24S1 segment and was followed by an acidic amino acid residue within the CDR3 region. These results suggest that these clonally expanded T cells are not randomly selected, but are expanded by stimulation with specific antigens. This study was undertaken to elucidate the mechanisms of the post-transplant skewing of TCR repertoires. Since the CD8(+)CD28(-)CD57(+) T cell subset has been reported to expand in the peripheral blood of patients receiving allogeneic hematopoietic cell grafts, we examined the TCRAV and TCRBV repertoires of the CD8(+)CD28(-) T cell and CD8(+)CD28(+) T cell subsets, and also determined the clonality of both T cell populations. In all three recipients examined, the CD8(+)CD28(-) T cell subset appeared to define the post-transplant TCR repertoire of circulating blood T cells. Moreover, the CDR3 length of TCRBV imposed constraints in both CD8(+)CD28(-) T cell and CD8(+)CD28(+) T cell subsets. The DNA sequences of the CDR3 region were determined, and the same clones were identified within both CD8(+)CD28(-) and CD8(+)CD28(+) T cell subsets in the same individuals. These results suggest that the clonally expanded CD8(+)CD28(-) T cells after allogeneic hematopoietic cell transplantation derive from the CD8(+)CD28(+) T cell subset, possibly by an antigen-driven mechanism, resulting in the skewed TCR repertoire.
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Affiliation(s)
- T Horiuchi
- Department of Internal Medicine III, Akita University School of Medicine, 1-1-1 Hondo, Akita 010-0543, Japan
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47
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Hirokawa M, Horiuchi T, Kawabata Y, Kitabayashi A, Saitoh H, Ichikawa Y, Matsutani T, Yoshioka T, Tsuruta Y, Suzuki R, Miura A. Oligoclonal expansion of CD4(+)CD28(-) T lymphocytes in recipients of allogeneic hematopoietic cell grafts and identification of the same T cell clones within both CD4(+)CD28(+) and CD4(+)CD28(-) T cell subsets. Bone Marrow Transplant 2001; 27:1095-100. [PMID: 11438827 DOI: 10.1038/sj.bmt.1703045] [Citation(s) in RCA: 11] [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: 01/19/2001] [Accepted: 03/13/2001] [Indexed: 11/08/2022]
Abstract
Recipients of allogeneic bone marrow grafts have clonally expanded CD8(+)CD28(-) T lymphocytes during the early period after transplantation, which leads to skewing of T cell receptor (TCR) repertoires. Here, we have addressed the question of whether clonal expansion of CD28(-) T cells is also observed in CD4(+) T lymphocytes after human allogeneic hematopoietic cell transplantation. We found that the fraction of T cells lacking CD28 expression in the CD4(+) subset was increased after transplantation, and expanded CD4(+)CD28(-) T lymphocytes carrying certain TCRBV subfamilies showed limited TCR diversity. In order to further study the ontogeny of CD4(+)CD28(-) T cells, we analyzed the complementarity-determining region 3 (CDR3) of the TCR-beta chain of CD4(+)CD28(+) and CD4(+)CD28(-) cells. We identified the same T cell clones within both CD4(+)CD28(-) and CD4(+)CD28(+) T cell subsets. These results suggest that both subsets are phenotypic variants of the same T cell lineage.
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Affiliation(s)
- M Hirokawa
- Department of Internal Medicine III, Akita University School of Medicine, Akita, Japan
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48
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Hirokawa M, Matsutani T, Horiuchi T, Kawabata Y, Kitabayashi A, Yoshioka T, Tsuruta Y, Suzuki R, Miura AB. Extensive clonal expansion of T lymphocytes causes contracted diversity of complementarity-determining region 3 and skewed T cell receptor repertoires after allogeneic hematopoietic cell transplantation. Bone Marrow Transplant 2001; 27:607-14. [PMID: 11319590 DOI: 10.1038/sj.bmt.1702858] [Citation(s) in RCA: 15] [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] [Received: 10/19/2000] [Accepted: 01/23/2001] [Indexed: 11/08/2022]
Abstract
We previously described skewed repertoires of the T cell receptor-beta chain variable region (TCRBV) and the TCR-alpha chain variable region (TCRAV) soon after allogeneic hematopoietic cell transplantation. To determine the characteristics of skewed TCRBV after transplantation, we examined the clonality of T lymphocytes carrying skewed TCRBV subfamilies and determined the CDR3 sequences of expanded T cell clones. In all 11 recipients examined, TCR repertoires were skewed, with an increase of certain TCRBV subfamilies that differed among individuals. In nine of 11 patients, clonal/oligoclonal T cell expansion was observed, although the expanded T cells were not necessarily oligoclonal. The extent of expansion after transplantation appeared to predict clonality. The arginine (R)-X-X-glycine (G) sequence was identified in clonally expanded T cells from four of five recipients examined, and glutamic acid (E), aspartic acid (D) and alanine (A) were frequently inserted between R and G. These results suggest that T lymphocyte expansion may result from the response to antigens widely existing in humans, and that the extensive clonal expansion of a limited number of T cells leads to contracted CDR3 diversity and post-transplant skewed TCR repertoires.
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Affiliation(s)
- M Hirokawa
- Department of Internal Medicine III, Akita University School of Medicine, Akita, Japan
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49
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Fukuoka K, Kanahara T, Tamura M, Manabe T, Yamamoto Y, Sonoo H, Hirokawa M. Basement membrane substance in adenomyoepithelioma of the breast. Acta Cytol 2001; 45:282-3. [PMID: 11284321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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50
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Fujiwara K, Yoden E, Asakawa T, Shimizu M, Hirokawa M, Mikami Y, Oda T, Joja I, Imajo Y, Kohno I. Negative MRI findings with invasive cervical biopsy may indicate stage IA cervical carcinoma. Gynecol Oncol 2000; 79:451-6. [PMID: 11104618 DOI: 10.1006/gyno.2000.5967] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE We attempted to prospectively determine the role of magnetic resonance imaging (MRI) in very early cervical cancer. STUDY DESIGN T2-weighted and T1-dynamic enhanced images from patients with invasive or noninvasive lesions of the cervix were reviewed by two radiologists who had no clinical information on these patients. At least 12 longitudinal sections prepared from the surgically removed cervix were reviewed by a pathologist. The correlation between MRI and histological findings was analyzed in terms of depth of invasion. RESULTS Seventy-nine cases were entered into the study and 75 were evaluable. Accuracy of T2 MR images for invasive and noninvasive disease by Radiologist 1 and Radiologist 2 was 0.8533 and 0.7733, respectively. Accuracy was greater (0.9867 and 0.9467, respectively) for the detection of noninvasive plus microinvasive lesions </=5 mm vs invasive lesions >5 mm. Dynamic technique provided only limited additional value in the detection of microinvasive cervical carcinoma. CONCLUSION Simple T2 MRI is useful in differentiating noninvasive or microinvasive cervical lesions from invasive cervical carcinoma of the cervix >5 mm.
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Affiliation(s)
- K Fujiwara
- Department of Obstetrics and Gynecology, Department of Radiology, Department of Pathology, Kawasaki Medical School, 577 Matsushima, Kurashiki City, 701-0192, Japan
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