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81.
Intracellular IL-5 and T-lymphocyte subsets in atopic and nonatopic bronchial asthma 总被引:9,自引:0,他引:9
Shiota Y Arikita H Horita N Hiyama J Ono T Yamakido M 《The Journal of allergy and clinical immunology》2002,109(2):294-298
BACKGROUND: Allergen-stimulated IL-5 production by CD4+ T cells is the key issue in atopic asthma. On the other hand, virus-specific CD8+ T cells produce IL-5 and might play an important role in the pathogenesis of nonatopic asthma. OBJECTIVES: We sought to compare the IL-5-producing T-lymphocyte subsets in the peripheral blood of atopic and nonatopic asthmatic subjects, especially the contribution of IL-5-producing CD8(+) T cells in nonatopic asthma. METHODS: Heparinized blood samples were obtained from subjects with atopic asthma (n = 10), subjects with nonatopic asthma (n = 10), and healthy subjects (n = 10) and stimulated with ionomycin and phorbol myristate acetate in the presence of brefeldin A. Two-color flow cytometric analysis with mAbs to cell-surface antigens and intracellular IL-5 was used to detect the IL-5-producing T-cell subsets. RESULTS: A higher percentage of IL-5-producing CD3(+) T cells was detected in subjects with atopic and nonatopic asthma than that seen in the healthy subjects. The percentage of IL-5-producing CD4(+) T cells was significantly higher in subjects with atopic asthma than in the healthy subjects. The percentage of IL-5-producing CD8(+) T cells was significantly higher in subjects with nonatopic asthma than in the healthy subjects. The percentage of IL-5-producing CD8(+) T cells was higher in subjects with nonatopic asthma than in those with atopic asthma, but the difference was not statistically significant. CONCLUSIONS: CD4(+) T cells are the major source of IL-5 among CD3(+) lymphocytes in subjects with atopic asthma. On the other hand, increased IL-5 production by CD8(+) T cells, as well as by CD4(+) T cells, is a characteristic feature of nonatopic asthma. 相似文献
82.
Hidehisa SAEKI Masutaka FURUE Fukumi FURUKAWA Michihiro HIDE Mamitaro OHTSUKI Ichiro KATAYAMA Rikako SASAKI Hajime SUTO Kazuhiko TAKEHARA COMMITTEE for GUIDELINES for the MANAGEMENT of ATOPIC DERMATITIS of JAPANESE DERMATOLOGICAL ASSOCIATION 《The Journal of dermatology》2009,36(10):563-577
Atopic dermatitis (AD) is a chronic relapsing eczematous skin disease characterized by pruritus and inflammation and accompanied by cutaneous physiological dysfunction (dry and barrier-disrupted skin). Most of the patients have atopic diathesis. A standard guideline for the management (diagnosis, severity classification and therapy) of AD has been established. In our guideline, the necessity of dermatological training is emphasized in order to assure diagnostic skill and to enable evaluation of the severity of AD. The definitive diagnosis of AD requires the presence of all three features: (i) pruritus; (ii) typical morphology and distribution; and (iii) chronic and chronically relapsing course. For the severity classification of AD, three elements of eruption (erythema/acute papules, exudation/crusts and chronic papules/nodules/lichenification) are evaluated in the most severely affected part of each of the five body regions (head/neck, anterior trunk, posterior trunk, upper limbs and lower limbs). The areas of eruption on the five body regions are also evaluated, and both scores are totaled (maximum 60 points). The present standard therapies for AD consist of the use of topical corticosteroids and tacrolimus ointment as the main treatment for the inflammation, topical application of emollients to treat the cutaneous physiological dysfunction, systemic antihistamines and anti-allergic drugs as adjunctive treatments for pruritus, avoidance of apparent exacerbating factors, psychological counseling and advice about daily life. Tacrolimus ointment (0.1%) and its low-density ointment (0.03%) are available for adult patients and 2–15-year-old patients, respectively. The importance of the correct selection of topical corticosteroids according to the severity of the eruption is also emphasized. Furthermore, deliberate use of oral cyclosporine for severe recalcitrant adult AD is referred. 相似文献
83.
Naokatsu Ando Satoshi Kutsuna Saho Takaya Yuichi Katanami Norio Ohmagari 《Internal medicine (Tokyo, Japan)》2022,61(7):1093
African tick bite fever (ATBF) is an acute febrile illness caused by Rickettsia africae. ATBF is an important differential diagnosis of acute febrile illness among returned travelers. However, little information is available on ATBF cases imported to Japan, as only seven have been reported to date. To characterize the epidemiological and clinical profiles of patients diagnosed with ATBF in Japan, we reported three new ATBF cases at our hospital between May 2015 and April 2018 and conducted a literature review. 相似文献
84.
T. SUZUKI H. MIZUTANI E. MIYAKE N. FUKANO S. SAEKI S. OGAWA 《Acta anaesthesiologica Scandinavica》2009,53(10):1336-1340
Background: The aim of this study is to compare the infusion rates required to maintain a constant neuromuscular block and the reversibility of rocuronium at the corrugator supercilii muscle (CSM) and the adductor pollicis muscle (APM).
Methods: We randomly allocated 30 female patients into two groups of 15 patients each to monitor neuromuscular block at either the CSM or the APM. After induction of anaesthesia and laryngeal mask insertion, contraction of the CSM to the facial nerve stimulation or that of the APM to the ulnar nerve stimulation was quantified using an acceleromyograph during 1.0–1.5% end-tidal sevoflurane anaesthesia. All the patients received a bolus of 1 mg/kg rocuronium. When the first twitch (T1) of train-of-four (TOF) recovered to 10% of the control, rocuronium infusion was commenced and maintained at T1 of 10% of the control at the CSM or APM for 120 min. Immediately after rocuronium infusion was discontinued, the time required for 0.04 mg/kg neostigmine-facilitated recovery to a TOF ratio of 0.9 was recorded.
Results: Rocuronium infusion dose after a lapse of 120 min was significantly larger in the CSM than in the APM [7.1 (2.3) vs. 4.7 (2.6) μg/kg/min; P =0.001]. The time for facilitated recovery was shorter in the CSM than in the APM [11.4 (3.8) vs. 16.2 (6.0) min; P =0.016].
Conclusion: A larger rocuronium infusion dose was required to maintain a constant neuromuscular block at the CSM. Neostigmine-mediated reversal was faster at the CSM. 相似文献
Methods: We randomly allocated 30 female patients into two groups of 15 patients each to monitor neuromuscular block at either the CSM or the APM. After induction of anaesthesia and laryngeal mask insertion, contraction of the CSM to the facial nerve stimulation or that of the APM to the ulnar nerve stimulation was quantified using an acceleromyograph during 1.0–1.5% end-tidal sevoflurane anaesthesia. All the patients received a bolus of 1 mg/kg rocuronium. When the first twitch (T1) of train-of-four (TOF) recovered to 10% of the control, rocuronium infusion was commenced and maintained at T1 of 10% of the control at the CSM or APM for 120 min. Immediately after rocuronium infusion was discontinued, the time required for 0.04 mg/kg neostigmine-facilitated recovery to a TOF ratio of 0.9 was recorded.
Results: Rocuronium infusion dose after a lapse of 120 min was significantly larger in the CSM than in the APM [7.1 (2.3) vs. 4.7 (2.6) μg/kg/min; P =0.001]. The time for facilitated recovery was shorter in the CSM than in the APM [11.4 (3.8) vs. 16.2 (6.0) min; P =0.016].
Conclusion: A larger rocuronium infusion dose was required to maintain a constant neuromuscular block at the CSM. Neostigmine-mediated reversal was faster at the CSM. 相似文献
85.
Tajima Y Horiguchi K Nakano S Hirono S Higuchi Y Oide T Iwadate Y Saeki N 《No shinkei geka. Neurological surgery》2012,40(4):343-349
We herein report a patient with leptomeningeal carcinomatosis (LC) in long-term remission from breast cancer, co-existing with a posterior fossa epidermoid and an increase in the serum CA19-9 level which complicated the diagnosis. A 59-year-old woman underwent a left mastectomy due to breast cancer 27 years ago. She was admitted to our hospital suffering from a headache and diplopia. Her serum CA19-9 level on admission was elevated, and diffusion weighted images showed a high-intensity tumor in the prepontine and left cerebello-pontine cistern. A left lateral suboccipital craniotomy with endoscopic assistance was performed for tissue sampling. The pathological diagnosis was an epidermoid and LC from breast cancer. She died of progression of leptomeningeal carcinomatosis 31 days after surgery. LC alone following long-term remission from breast cancer is extremely rare. Meningeal irritation co-existing with an epidermoid mimicking chemical meningitis is even rarer. Pathological confirmation is required for such rare cases. 相似文献
86.
Shiota Y Imai S Sasaki N Tahara K Noma B Horita N Taniguchi A Ono T 《Acta medica Okayama》2011,65(6):407-411
Mediastinal lymph node carcinoma of unknown primary site is rare and may have a better prognosis if extensive treatment is performed. Case, A 69-year-old-male presented with a persistent cough. Chest computed tomography (CT) demonstrated a large tumor 9.5 × 8.2 cm, in the mediastinum, compressing the right main bronchus, the right pulmonary artery, and the superior vena cava. Because fiberoptic bronchoscopy was insufficient for diagnosis, mediastinoscopic tumor biopsy under general anesthesia was undertaken. Histological examination revealed adenocarcinoma. Extensive examinations revealed no other neoplastic lesion except in the mediastinum. Mediastinal lymph node carcinoma of unknown primary site was diagnosed. The patient was treated with docetaxel and cisplatin with concurrent thoracic radiation therapy. A month after the start of chemoradiotherapy, the mediastinal tumor regressed markedly. The patient remained free of symptoms without regrowth of the primary site. Exploration of the body showed no further abnormalities 20 months after disease onset. 相似文献
87.
88.
Yuichiro TSUNEMI Hidehisa SAEKI Kanako KIKUCHI Kunihiko TAMAKI Shinichi SATO 《The Journal of dermatology》2009,36(12):649-653
Extramammary Paget’s disease (EMPD) is regarded as a malignancy most likely derived from or differentiated into apocrine sweat duct and gland. The tumor cells in EMPD usually have abundant pale cytoplasm and large pleomorphic nuclei. We present a case with EMPD where the tumor included many signet ring cells, cells with intracytoplasmic lumen formation and glandular formation. This case is interesting in that the tumor included many cells with intracytoplasmic lumen formation. Signet ring cells and glandular formation support the traditional speculation that EMPD is derived from apocrine sweat gland and intracytoplasmic lumen formation may mimic the intrafollicular apocrine duct. 相似文献
89.
Takanashi J Tada H Barkovich AJ Saeki N Kohno Y 《AJNR. American journal of neuroradiology》2005,26(8):2144-2147
BACKGROUND AND PURPOSE: Pituitary cysts are common findings on pathologic examination and imaging studies. They are generally considered to be rarer in children than in adults; however, no good data exist to substantiate this opinion. We reviewed MR imaging studies to evaluate the frequency and imaging features of pituitary cysts in children. METHODS: We retrospectively reviewed T1-weighted sagittal images in 341 patients <15 years of age to evaluate for pituitary cysts. Paramagnetic contrast was administered in 86 of the 341 patients. Sagittal or coronal fast spin-echo T2-weighted images were performed in 166 patients. For patients having pituitary cysts, pituitary function was examined by assessing blood levels of pituitary hormones. RESULTS: A cystic pituitary lesion was recognized in 4 patients (1.2%) aged 1-4 years. None of the 4 manifested endocrinologic signs or symptoms or were the results of their laboratory studies abnormal. All the lesions were sharply demarcated and situated just posterior to the anterior pituitary lobe. All were iso- or hypointense compared with the pons on T1-weighted images without contrast enhancement, suggesting a Rathke cleft cyst. MR imaging of a patient with probable low-grade gliomas in the left hypothalamic region and optic chiasma showed complete resolution of a pituitary cyst at a 1-year follow-up study. CONCLUSION: The frequency of pituitary cysts on MR imaging in childhood is almost equal to that of Rathke cleft cysts, as assessed in autopsy studies of subjects aged 10 to 29 years. These cysts are common in children and should be considered, in the absence of signs or symptoms of pituitary dysfunction, as incidental findings. 相似文献
90.
Shiota Y Mikawa Y Arikita H Nakashima T Horita N Hiyama J Ono T Yamakido M 《Internal medicine (Tokyo, Japan)》2003,42(9):824-826
We describe the use of short-term epoprostenol in a 61-year-old man with primary pulmonary hypertension. The patient was on a ventilator because of respiratory distress. Continuous infusion of epoprostenol was started and it initially reduced the pulmonary artery pressure by 32%. Epoprostenol was tapered, and even after discontinuation, the pulmonary artery pressure was controlled. The ventilator was removed, and the patient remained well on home oxygen therapy 3 months after discharge. 相似文献