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Biomedical subjects

S Inokuchi

Publications and source records attributed to S Inokuchi.

62 records · Page 4Linked to original sources

Effect of ankle disk training combined with tactile stimulation to the leg and foot on functional instability of the ankle.

Twenty-two university students with unilateral functional instability of the ankle participated in this study. They were randomly assigned to one of two experimental groups. Subjects in both groups were trained to stand on the affected limb on an ankle disk. In group 1, two pieces of 1-cm wide nonelastic adhesive tape were applied to the skin around the lateral malleolus from the distal third of the lower leg to the sole of the foot before the training sessions. Subjects in group 2 participated in the training sessions without the application of the adhesive tape. Training was performed for 10 minutes a day, five times per week, for a period of 10 weeks. Subjects were tested for postural sway while standing on the affected limb before, during, and after the training period. In group 1, postural sway values decreased significantly after 4 weeks compared with the pretraining performance, and they were within the normal range after not more than 6 weeks of training. In group 2, the values did not improve significantly compared with the pretraining performance until after 6 weeks of training, and they were not within the normal range until after 8 weeks of training. The findings suggest that the 2-week earlier correction of postural sway in group 1 was due to an increased afferent input from skin receptors that were stimulated by the traction of the adhesive tape.

Adhesives↗

A case of IgM-associated mesangial proliferative glomerulonephritis with a giant paramesangial spherical deposit.

We report a case of IgM-associated mesangial proliferative glomerulonephritis with microscopic hematuria and renal tubular dysfunction. On electron microscopy, a giant spherical deposit was observed in the glomerular paramesangial area. Deposition of C3 in the glomerular mesangial areas was not observed by immunofluorescence. IgM-associated mesangial proliferative glomerulonephritis is clinically characterized by nephrotic syndrome, mild proteinuria and/or hematuria, tubular dysfunction or renal failure, suggesting that it is considered to be a heterogeneous disorder.

Female↗

MUC1 and MUC2 expression in human gallbladder carcinoma: a clinicopathological study and relationship with prognosis.

Mucins are a group of high molecular weight glycoproteins consisting of a mucin core protein and O-linked carbohydrates. To date, nine apomucins (MUC1-8, and MUC5B) have been identified. Recent studies have demonstrated that MUC1 is expressed in tumors of various human organs, and may function as an anti-adhesion molecule that inhibits cell-to-cell adhesion, inducing tumor metastasis. MUC2 is a major secreted mucin of colon and is known to be expressed in cells showing intestinal metaplasia in the stomach and other organs. MUC2 expression in the mucosal epithelia is an apparently abnormal phenomenon related to the neoplastic process. In this study, we examined MUC1 and MUC2 expression in human gallbladder adenocarcinoma and its clinicopathological significance and relationship with the prognosis of the patients. MUC1 immunoreactivity was detected not only in the cancer cells but also in the cancer stroma. Cytoplasmic MUC1 expression was significantly relation to lymphatic invasion and lymph node metastasis (p < 0.001), and was associated with a poor outcome. In contrast, MUC2 was rarely expressed in gallbladder carcinomas, and its immunoreactivity was detected only in the cancer goblet cells. Overexpression of MUC2 was not significantly related to lymphatic invasion or lymph node metastasis, or prognosis of patients. These observations suggested that MUC1 expression plays a more important role than MUC2 expression in cancer cell growth and metastasis of human gallbladder adenocarcinomas.

Adenocarcinoma↗

Pancreatic acinar cell carcinoma with endocrine differentiation: immunohistochemical and ultrastructural analyses.

The majority of pancreatic malignant tumors are adenocarcinomas of the ductal type (ductal cell carcinomas) and combined tumors consisting of different tumor components are very rare. We present here a rare case of acinar cell carcinoma with apparent foci of endocrine differentiation. A 46-year-old man underwent pylorus-preserving pancreatoduodenectomy under the diagnosis of pancreatic tumor. The pancreatic tumor was mainly composed of typical acinar cell carcinoma, but some tumor cells were positive for both acinar and endocrine cell markers such as pancreatic amylase, trypsin, lipase and chromogranin A. At the electron-microscopic level, the tumor cells were seen to have numerous electron-dense neuroendocrine, as well as a few zymogen-like, granules. The tumor part positive for both acinar and endocrine cell markers originated from a subclone (dis-differentiated tumor cells) of the typical acinar cell carcinoma tissue of the pancreas.

Biomarkers, Tumor↗

Calcaneal fractures in children.

Calcaneal fractures are rare in children but frequent in adults. We report 18 cases (20 feet) of pediatric calcaneal fractures before the distal tibial growth line closed to assess the characteristics of pediatric calcaneal fractures and reveal differences in treatment and prognosis between children and adults. Twelve (60%) of the fractures were extraarticular, a higher percentage than in adults, and only four (20%) were intraarticular fractures associated with displacement. One case of avulsion fracture of the portion of the calcaneus where the Achilles tendon inserts, in which there was large displacement, and one intraarticular fracture were treated surgically. The outcome was good, including the surgical cases. One of the reasons that calcaneal fractures are considered rare in children is that they are missed, and thus care is required in making the diagnosis.

Adolescent↗