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1.
We compared temporal changes in the cell composition of the skin-draining lymph nodes (SLN) in guinea-pigs exposed percutaneously to normal or attenuated cercariae of Schistosoma mansoni. Different populations were analysed by flow cytometry of double-stained cells by monoclonal antibodies to the major histocompatibility complex class II molecule and lymph node cells of guinea-pigs. Exposure to S. mansoni caused a marked increase in the proportion of B cells and dendritic cells (DC) on day 2, reaching a peak number on day 4. These changes were comparable in both infected and vaccinated animals exposed to normal or attenuated parasites, respectively. Total number of DC, however, showed different kinetics; in infected animals, the number peaked on day 2 and then gradually declined, whereas it reached a higher peak on day 4 in vaccinated animal. Daily injection of bromo-deoxyuridine after exposure to the parasite reduced the total number of DC in the SLN on day 4. A reduction in DC counts in the contralateral side SLN was also evident in vaccinated animals. Our results indicate that a significant number of newly formed DC are recruited to the skin by 4th day of vaccination, followed by increased efflux to the SLN. It is possible that retention of attenuated S. mansoni in the skin may cause accelerated recruitment of newly formed DC from the bone marrow, and facilitate transport and processing of antigens highly expressed on attenuated parasites. 相似文献
2.
YUKIHIKO KAWASAKI MITSUAKI HOSOYA SEIJI YASUMURA TETSUYA OHIRA HIROAKI SATOH HITOSHI SUZUKI AKIRA SAKAI AKIRA OHTSURU ATSUSHI TAKAHASHI KOTARO OZASA GEN KOBASHI KENJI KAMIYA SHUNICHI YAMASHITA MASAFUMI ABE THE FUKUSHIMA HEALTH MANAGEMENT SURVEY GROUP 《Fukushima journal of medical science》2015,61(2):101-110
3.
Mikinobu TAKEUCHI Mitsuhiro KAMIYA Norimitsu WAKAO Koji OSUKA Muneyoshi YASUDA Toshiaki TERASAWA Takahisa YAMADA Masakazu TAKAYASU 《Neurologia medico-chirurgica》2014,54(9):746-751
The aim is to provide a detailed procedure of a simple and 10-minute cervical nerve root block (CNRB) under ultrasonic guidance, and to report the clinical outcomes, disorders, and complications. Records of patients who had undergone CNRB, were reviewed under ultrasonic guidance at the hospital from 2010 through 2012. The procedure is described in detail. Arm and shoulder pain was evaluated by use of the visual analogue scale (VAS). Forty-three patients agreed to undergo CNRB under ultrasonic guidance. Nerve roots from C5 to C8 were affected in 41, and these nerve roots were readily distinguished. Two of the 43 participants did not receive injections because impediments in visualizing the affected nerve root. Of the 41 who received injections, radicular pain immediately disappeared in 39, who continued to feel pain relief 1 month later. However, pain recurred in 15 patients (38%), of whom 11 underwent cervical spine surgery. The rest of 24 patients felt sustained pain relief longer than 3 months after the injection, significantly. Although one patient had recurrent radicular pain 10 months later, the pain could be controlled by medication. At the final follow-up periods, 17.2 (10–24 months), the median VAS score of the patients, 23 (0 to 71 mm), was significantly improvement (P = 0.001) in comparison to before injection 88 (range; 56–100). No complications occurred. The cervical nerve root block under ultrasonic guidance simply, safely, and efficaciously decreased radicular pain for 17.2 months in 62% patients with intolerable radicular pain. 相似文献
4.
MIKIO KIMURA HARUMI KUNO-SAKAI HITOSHI KAMIYA KOHJI UEDA SHIN ISOMURA MICHIO KOIKE TATSUO KATO TAKAO OZAKI MIZUO HIROSE TSUNEYOSHI EGAMI 《Pediatrics international》1995,37(5):562-574
This is the report on a prospective, single blind, comparative study of a component acellular pertussis vaccine produced by a combination of detoxified, column purified pertussis toxin (PT) and filamentous hemagglutinin (FHA) combined with diphtheria and tetanus toxoids (DTcaP) and the traditional acellular pertussis vaccine produced with essentially the same method as described by Sato with DT (DTaP) of the same manufacturer. A total of 616 infants and children received DTcaP and a total of 289 received DTaP. In all age groups for both vaccines values of serum antibodies to PT and FHA after two doses of the vaccines were comparable to those of convalescent sera. Incidences of systemic and local reactions were, in general, not greatly different between DTcaP and DTaP recipients. In Japan the use of traditional acellular vaccines replaced whole cell vaccines in 1981. Protective antigens of Bordetella pertussis have now been specified and thus component vaccines have become theoretically possible. This is the first component vaccine which has been developed in Japan. Several other component vaccines are now under investigation in the world. 相似文献
5.
H. TOGARI S. SUGIYAMA T. OGINO S. SUZUKI T. ITO T. ICHIKI K. KAMIYA I. WATANABE Y. OGAWA Y. WADA T. TAKAOKA 《Acta paediatrica (Oslo, Norway : 1992)》1986,75(1):69-74
ABSTRACT. CRP, α1-acid glycoprotein and haptoglobin were studied in 13 septic shock neonates. Endotoxin was recovered from eight infants. Serum Cortisol concentration from infants with en-dotoxemia (917 ± 596 ng/ml) was significantly higher than that from infants without en-dotoxemia (398 ± 239 ng/ml). Serum Cortisol correlated well with immature neutrophil counts denned as the unit "band/neutrophil". Increased Cortisol level and immature neutrophil counts preceded the elevation of CRP, α1-acid glycoprotein and haptoglobin in four extremely premature neonates. We conclude that positive interactions between endotoxin, Cortisol and acute phase protein synthesis are present in the initial period of infection, and delayed acute phase protein synthesis is suspected in extremely premature neonates. 相似文献
6.
HIROSHI OZASA SHIGEYUKI ECHIGO CHUZO MORI TETSURO KAMIYA SHIGETO FUSE KENJI KUROE KOJI KIMURA MAKOTO TAKAMIYA KANJI INOUE 《Pediatrics international》1993,35(6):518-524
Although percutaneous transluminal balloon aortic valvuloplasty (PTAV) has been performed for congenital aortic stenosis in infants and children for several years, its efficacy and the associated aortic regurgitation (AR) have not been widely discussed. Percutaneous transluminal balloon aortic valvuloplasty using an Inoue balloon catheter was performed for congenital aortic stenosis in 12 patients (4–16 years old) in this study. The systolic aortic valve pressure gradient ranged from 42 to 111 mmHg before PTAV and became < 50 mmHg immediately after PTAV in 10 cases (83%). Eight of these 10 patients had no increase in the gradient during subsequent observation for a period of 9–40 months. Aortic regurgitation increased immediately after PTAV in nine cases (75%). It increased from grade 1 to grade 2 in eight cases and from grade 1 to grade 3 in one patient; no significant enlargement of the left ventricular end-diastolic diameter and no significant change in the left ventricular end-diastolic pressure (LVEDP) or the cardiac index was observed during follow-up in these patients. There was a correlation between the diameter of the balloon and efficacy; an appropriate diameter was considered to be about 90% of the aortic annular diameter. Changes in the hemodynamic parameter after PTAV with an Inoue balloon were small in most patients and this procedure is considered to be a treatment that should be attempted prior to surgery for congenital aortic stenosis. 相似文献
7.
卡维地洛与维司力农:心力衰竭中新的抗心律失常途径(英文) 总被引:1,自引:0,他引:1
卡维地洛和维司力农是近年来受到瞩目的慢性充血性心力衰竭治疗药。电生理学研究表明这些药物可适度延长心室肌的动作电位时程(APD)而无明显的逆频度依存性,然而其产生这一作用的离子机制是不同的。卡维地洛可阻断L-型钙电流(I_(Ca)),一过性外向钾电流(I_(to))以及延迟整流钾电流(I_K),特别是其快速激活成份(I_(Kr))。维司力农是一个选择性的I_K阻滞剂,具有独特的药物-通道相互作用。根据维司力农对I_K的电位与时间依存性抑制作用,该药被认为在I_K(主要是I_(Kr))通道处于激活状态时与其结合,而在通道关闭时则发生解离。这些电生理学特性将为器质性心脏病患者理想的抗心律失常药的开发提供新的途径。 相似文献
8.
TOMOHISA NAGASAO MD PHD JUNPEI MIYAMOTO MD KAICHIRO YOSHIKAWA MD YUICHIRO ANDO MD MAKI NAGASAO MD TATSUO NAKAJIMA MD PHD 《Dermatologic surgery》2007,33(3):344-349
BACKGROUND: Because the "lateral limbs" resulting from conventional Z-plasty form a steep angle against the relaxation skin tension line (RSTL), they often develop hypertrophic change, whereas the "central limbs" become inconspicuous after being realigned parallel to the RSTL. OBJECTIVE: To alleviate the above-mentioned hypertrophic change of the lateral limbs, we modified the conventional Z-plasty and invented a new technique. Because the shape of the flap resembles a bird's beak, we call the technique "beak-plasty." The purpose of this study is to present the new technique. METHODS: The technique is described and effectiveness of the technique is reviewed on 21 patients. In particular, three representative cases are presented with photographs. RESULTS: In all patients, the lateral limbs of the flaps did not become hypertrophic after a minimum follow-up period of 9 months. CONCLUSIONS: Our technique can effectively reduce Z-plasty's risk of postoperative hypertrophy in the lateral limb. Therefore, it can make the scar less conspicuous than in conventional Z-plasty. For this advantage, we recommend our technique as an effective armament for scar revision. The authors have indicated no significant interest with commercial supporters. 相似文献
9.
Ichiro OKA Makoto NATSUI Takahiro GOTO Noriaki KAMIYA Atsushi YAMADA Shinya FUJITA 《Congenital anomalies》1995,35(4):425-434
We made an epidemiological study of congenital anomalies of the face, hand and foot in newborns from 1973 to 1992 in Miyagi Prefecture which has a population of about two million. In these twenty years 579,766 babies were born in Miyagi Prefecture. Out of these newborns 3,416 babies with 3,759 congenital anomalies of the face, hand and foot were registered. Of all registered congenital anomalies, face anomalies were most commonly encountered, followed by hand and foot anomalies. Among face anomalies, in order of frequency, accessory ear was the most common, next cleft lip with or without cleft palate, cleft palate alone, cryptotia and microtia. The occurrence ratio per 10,000 live births was 9.6 in accessory ear, 6.7 in cleft lip, 6.1 in cleft lip with cleft palate, 4.2 in cleft palate alone, 2.9 in cryptotia, and 1.8 in microtia. In hand and foot anomalies, polydactyly was the most common and syndactyly the next. Incidence ratio of polydactyly was 5.8 in the hand and 6.4 in the foot. Polydactyly was the most frequent in the preaxial ray in the hand and in the postaxial ray in the foot. About half of cases of postaxial polydactyly the foot was associated with syndactyly between the fourth and fifth toe. In addition, we reported on variation of the incidence ratio and familial occurrence of congenital anomalies of the face, hand and foot. 相似文献
10.
Chikao YUTANI Masami IMAKITA Hatsue ISHIBASHI-UEDA Tetsuro KAMIYA Yoshio ARAGAKI 《Pathology international》1985,35(5):1255-1265
A case of Infantile cardiomyopathy in a year and four months old girl, which was clinically characterized by tachycardia resistent to any drugs and marked hyperplasia of mitochondria in their cytoplasms on electron microscopic observation, was presented. In the present case light and electron microscopical proof of the diagnosis was obtained by right endomyocardial biopsy, while most of this condition has not been recognized prior to autopsy. In Japan this newly recognized infantile cardiomyopathy has not been reported, and we proposed that this condition could be designated as mitochondrial cardiomyopathy caused by unknown etiology. The literatures described previously in the world have been reviewed. 相似文献