Terwilliger Algebras of Cyclotomic Schemes and Jacobi Sums

AbstractWe show that theT-module structure of a cyclotomic scheme is described in term of Jacobi sums. It holds that an irreducibleT-module of a cyclotomic scheme fails to have maximal dimension if and only if Jacobi sums satisfy certain kind of equations, which are of some number theoretical interest in themselves

Renal Tubular Hypouricemia and Calcium Urolithiasis

The information concerning the relationship of hypouricemia with urinary tract stones is limited. We investigated the incidence and types of hypouricemia, and also studied its relationship to urinary tract stones. Hypouricemia was detected in 3 out of 1520 outpatients (0.20%). The loading tests using pyrazinamide, probenecid and benzbromarone showed that uric acid absorption was impaired before tubular secretion in two cases and incomplete postsecretory reabsorption in one case. Complication of urinary tract stone was found in two cases. The composition of the stones was mixed calcium oxalate and uric acid. Hypouricemia should be recognized as one of the causes of kidney stone formation

Evaluation and Management of Dietary Habits in Japanese Renal Stone Formers

To elucidate the relationship between the formation of kidney stones and diet, we carried out a dietary investigation in patients with urinary tract stones. Dietary intakes were estimated for 36 patients (24 men, 12 women) with calcium stones, and compared with the official dietary requirements for the Japanese. Total protein intake, animal protein intake and animal protein ratio were significantly higher for patients with stones in both men and women. Dietary salt intake was significantly higher for male patients and the total group. Dietary calcium and carbohydrate intakes were significantly lower for patients with stones in men and the total group, and tended to be lower for female patients. As a result of dietary guidance, the intakes of total protein, animal protein and salt were markedly reduced. The animal protein ratio was also lowered. Caloric intake and the dietary intakes of carbohydrate, fat and salt were reduced, too. However, the dietary calcium intake did not change. Chemical analysis of 24 hour-urine revealed that the excretion of urea nitrogen was reduced, which reflected the decrease in protein intake produced by the dietary regimen. The excretions of urate and oxalate also tended to decrease

<ORIGINAL REPORT>IMMUNOHISTOCHEMICAL STUDIES ON LACTATE DEHYDROGENASE SUBUNITS IN LUNG CANCER CELLS

この論文は国立情報学研究所の学術雑誌公開支援事業により電子化されました。Immunohistochemical distribution of lactate dehydrogenase (LDH) subunits in human lung cancer cells were studied using fluorescent antibody technique. Both in cytological and histological specimen, specific fluorescence of LDH-H and LDH-M were seen in the cytoplasm of cancer cells, and in most cases no remarkable difference could be demonstrated between the distribution of H and M subunit. But in some cases specific fluorescence of M-subunit was stronger than that of H-subunit. The fluorescence of M-subunit was demonstrated as fine granules diffusely in the cytoplasm. On the other hand the fluorescence of H-subunit was rather localized and demonstrated as rather coarse granules. And this observation was discussed

Venous Thromboembolism in Patients with Acute Thoracolumbar Spinal Cord Injury

Venous thromboembolism (VTE) is a major complication in patients with acute spinal cord injury. There are few reports of VTE with acute thoracolumbar spinal cord injury (TLSCI). We assessed the incidence of VTE with acute TLSCI using color Doppler ultrasonography. We retrospectively assessed 75 patients with acute TLSCI (T1 to L1). All patients were surgically treated. VTE of the lower extremity and pelvis was assessed using color Doppler ultrasound regardless of whether symptoms were present. This retrospective study included patients who were assessed between 6 and 10 days (mean 8.1 days) after injury. VTE was detected in 27 of the 75 patients (35.7%) with or without paralysis. Of the 13 patients who had complete motor paralysis, 8 (62%) had VTE; of the 31 patients with incomplete motor paralysis, 10 (32%) had VTE, and of the 31 patients without motor paralysis, 9 (29%) had VTE. Among the patients with TLSCI, those with VTE had a significantly higher mean age than those without. The incidence of VTE in TLSCI patients is not related to the severity of paralysis in a Japanese population. The incidence appears to be related primarily to age

Influence of Amines in the Brain and Gastric Wall on Development of Stress Ulcers

With a view to examining the influence of amines in the brain and gastric wall on the development of stress ulcers, the authors loaded rats with the stress of cold restraint after administration of the inhibitory agents of produce and metabolism of amines, and the following findings were obtained. 1. Noradrenalin contents in the brain were significantly reduced after stress. The reduction relatively induced vagotonia and developed ulcers. Accordingly, noradrenalin in the brain associates with the development of stress ulcers. 2. Serotonin contents in the brain were increased significantly after stress, unlike the changes of the noradrenalin contents. But serotonin in the brain was not associated with the development of stress ulcers. 3. Histamine and serotonin contents in the gastric wall were reduced significantly after stress and both amines were associated with the development of stress ulcers. 4. Either of histamine or serotonin in the gastric wall was not be able to be the main cause on the development of stress ulcers, and their association was almost the same degree

Multipotent Neurotrophic Effects of Hepatocyte Growth Factor in Spinal Cord Injury

Spinal cord injury (SCI) results in neural tissue loss and so far untreatable functional impairment. In addition, at the initial injury site, inflammation induces secondary damage, and glial scar formation occurs to limit inflammation-mediated tissue damage. Consequently, it obstructs neural regeneration. Many studies have been conducted in the field of SCI; however, no satisfactory treatment has been established to date. Hepatocyte growth factor (HGF) is one of the neurotrophic growth factors and has been listed as a candidate medicine for SCI treatment. The highlighted effects of HGF on neural regeneration are associated with its anti-inflammatory and anti-fibrotic activities. Moreover, HGF exerts positive effects on transplanted stem cell differentiation into neurons. This paper reviews the mechanisms underlying the therapeutic effects of HGF in SCI recovery, and introduces recent advances in the clinical applications of HGF therapy

Dermoscopic Features of a Black Hairy Tongue in 2 Japanese Patients

Dermoscopic features of a black hairy tongue have never been reported. Dermoscopy might be useful in speculating pathologic features of oral lesions. The objective was to identify additional dermoscopic criteria. Two Japanese patients who were clinically given a diagnosis of “black hairy tongue” were evaluated for dermoscopic features. We have shown characteristic dermoscopic features of brownish hair-like elongation of filiform papillae with whitish lingual papillae. Dermoscopic examination seemed useful as an adjunct to the diagnosis of this benign disorder of the tongue, demonstrating exact changes in shape and color of filiform papillae. It might also be helpful in more objective observation of the therapeutic efficacy