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We examined a possible preventive effect of Linderae radix (LR), the root of Lindera strychnifolia, on the progression of diabetic nephropathy. Water extract of Linderae radix (LR extract) was orally administered to the C57BL/KsJ-db/db (db/db) mice, a model of genetic diabetes, at a dose of 730 mg/kg/day for 12 week. The LR extract treatment did not affect(More)
The aim of this study was to explore the effects of nutritional manipulations on the occurrence and progression of age-related pathologic lesions in male Fischer 344 rats. The following nutritional regimens were studied: (a) ad libitum feeding, (b) food restriction initiated at 6 weeks of age, (c) food restriction initiated at 6 months of age, (d) food(More)
OBJECTIVES The purpose of the present study was twofold: 1) to evaluate the usefulness of three-dimensional (3D) integrated backscatter (IB) intravascular ultrasound (IVUS) for quantitative tissue characterization of coronary plaques; and 2) to use this imaging technique to determine if six months of statin therapy alters the tissue characteristics of(More)
A life-span study was carried out on longevity, pathologic lesions, growth, lean body mass and selected aspects of muscle of barrier-maintained SPF Fischer 344 rats fed either ad libitum (Group A) or 60% of the ad libitum intake (Group R). Food restriction was as effective in prolonging the life of already long-lived SPF rats as previously shown for rats(More)
BACKGROUND Autopsy studies have shown atherosclerotic changes in angiographically normal coronary lesions (ANCL), and conventional intravascular ultrasound shows intimal thickening in these lesions, but cannot differentiate the lipid core. Accurate characterization of ANCL is essential to prevent progression to coronary artery disease. METHODS AND RESULTS(More)
Unique autoantibody was found in sera from two different patients that reacted with centrioles of both cultured mammalian cells and human peripheral leukocytes as detected by the indirect immunofluorescent method. Sera from the same individuals, one with scleroderma and the other suffering from Raynaud's phenomenon, also stained the basal bodies of rat(More)
Angiotensin converting enzyme inhibitors (ACE-Is) and angiotensin II receptor blockers (ARBs) are frequently used for the treatment for glomerulonephritis and diabetic nephropathy because of their albuminuria- or proteinuria-reducing effects. To many patients who are nonresponsive to monotherapy with these agents, combination therapy appears to be a good(More)
BACKGROUND The mechanism of glomerular cell loss during the late stage of diabetic nephropathy is unknown. METHODS We examined cell population, proliferation, apoptosis, and immunohistochemical expression of apoptosis-related proteins, Bcl-2 and Bax, in renal glomeruli of the Otsuka Long-Evans Tokushima Fatty (OLETF) rat, an animal model of human type 2(More)
BACKGROUND Effect of hepatocyte growth factor (HGF) has scarcely been determined on diabetic nephropathy. METHODS Adenovirus encoding human HGF gene or LacZ gene (as the control) was injected into the hindlimb muscles of the C57BL/KsJ-db/db (db/db) mice at the age of 12 weeks, a model of genetic diabetes. Diabetic nephropathy was then evaluated at the age(More)
Rats fed ad libitum (group 1) had little change in fat cell number in epididymal depots from 6 to 27 months of age, but a marked increase in fat cell number in perirenal depots between 6 and 18 months. Food restriction of rats to 60% of group 1 from 6 weeks of age on (group 2) reduced fat cell number in both depots throughout life and prevented an increase(More)