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Biomedical subjects

E Udagawa

Publications and source records attributed to E Udagawa.

25 records · Page 2Linked to original sources
PubMed1983

[Basic characteristics of Gunma clone-4 in the experimental study of metastasis].

Gunma clone-4 (Gc-4) cell was isolated by limiting dilution method from Radiological Science-Chiba- Toyama sarcoma which appeared spontaneously in a C3H/He mouse and cultured for generations. The character of Gc-4 cells was as follows: Gc-4 cells grew exponentially in vivo and in vitro, and the doubling time was 3.4 to 4.2 days in vivo and 20 to 22 hours in vitro respectively. Inoculation of 1 X 10(6) Gc-4 cells into A/Jackson mice and C57BL/6 mice resulted in rejection and disappearance within 17 days. Inoculation of 1 X 10(6) Gc-4 cells into C3H/He mice which were immunized with Gc-4 cells treated with 100 micrograms/ml of mitomycin C for 30 min. did not result in rejection. The Gc-4 cells showed histiocytic and fibroblastic characteristics morphologically and functionally, and corresponded to human malignant fibrous histiocytoma. Experiments on artificial and natural metastasis of Gc-4 cells revealed that Gc-4 cells had a high colony forming efficiency.

Animals↗
PubMed1966

[Arthroscopy].

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Endoscopy↗
PubMedDate not supplied

Entrapment neuropathy of the deep peroneal nerve associated with the extensor hallucis brevis.

The authors report a case of entrapment neuropathy of the deep peroneal nerve associated with the extensor hallucis brevis. This entrapment neuropathy was found distal to the inferior retinaculum that causes the anterior tarsal tunnel syndrome. Surgical decompression of the deep peroneal nerve that was entrapped by the extensor hallucis brevis relieved the symptoms. This condition, like the anterior tarsal tunnel syndrome, deserves attention.

Adult↗
PubMedDate not supplied

Characteristics of the isokinetic performance of patients with injured cruciate ligaments.

The torques of the quadriceps muscle in patients with cruciate ligament injuries were evaluated under isokinetic contraction. There were 30 patients with anterior cruciate ligament injuries, 19 with posterior cruciate ligament injuries, and 30 controls. The torques of concentric and eccentric contractions in anterior cruciate ligament-injured knees showed a significant difference from those in the uninjured sides at extension angles of less than 45 degrees, yet the values of the peak torques for concentric and eccentric contractions were the same as those for the uninjured sides. The torques of concentric and eccentric contractions in posterior cruciate ligament-injured knees showed a significant difference from the uninjured sides at flexion angles of more than 36 degrees. The peak torques for concentric and eccentric contraction also showed a significant difference from the uninjured sides. The concentric and eccentric peak torque angles of the injured knees were similar to those of the uninjured sides in all subjects. The ratios of eccentric to concentric peak torque of the contralateral knees in the anterior cruciate ligament-injured groups did not show a significant difference from those of the controls. The evaluation of the biomechanical change in these categories is of great advantage in determining proper methods of treatment and rehabilitation.

Adolescent↗