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Dive into the research topics where Kenzo Yoshida is active.

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Featured researches published by Kenzo Yoshida.


Clinical Biochemistry | 1993

Influence of serum amyloid A protein on high-density lipoprotein in chronic inflammatory disease.

Yoshitaka Kumon; Tadashi Suehiro; Yukio Ikeda; Kenzo Yoshida; Kozo Hashimoto; Fumitoshi Ohno

We determined the concentration of serum amyloid A protein (SAA) in plasma and each lipoprotein fraction from patients with inflammatory disease (n = 62) and healthy subjects (n = 35). The mean SAA concentration in the patients with inflammatory disease (396 mg/L) significantly exceeded that in healthy subjects (1.4 mg/L). In the patients with acute inflammatory disease SAA was distributed mainly in the high-density lipoprotein (HDL) fraction. HDL-cholesterol (HDL-C) showed an initial increase followed by an immediate decrease, and gradually returned to the baseline. Plasma concentrations of apoA-I and apoA-II (apolipoprotein, apo) were decreased, and gradually returned to normal along with HDL-C. In patients with rheumatic disease the concentration of HDL-C, apoA-I, or apoA-II was lower than in healthy subjects, and was inversely correlated with the concentration of plasma SAA (r = -0.409, r = -0.642, r = 0.545, respectively). These results are in keeping with the suggested mechanism of SAA displacing apoA-I and apoA-II, which may result in increased catabolism of HDL.


Japanese journal of MHTS | 2001

A Five-year Follow-up Study of Fasting Plasma Glucose Levels in 3,604 Subjects Undergoing Health Screening.

Hidetaka Horie; Yoko Shibata; Shinji Mitsuhashi; Fumitoshi Ohno; Seiki Shiino; Kenzo Yoshida

1992年4月から1995年3月までに, 当センターで健診を受け, 5年後にも当センターを受診した3, 604名 (平均年齢50.9歳) を対象として, 非糖尿病 (空腹時血糖 (FPG) が125mg/dl/以下かつ糖尿病としての治療を受けていない) から糖尿病 (本論文では, FPG 126mg/dl/以上をもって糖尿病型とし, 糖尿病治療中である者と合わせて糖尿病と診断) への悪化する率を検討した。スターティングポイントのBody Mass Index (BMI) およびFPGにより対象を区分し, 5年の前後でBMIおよびFPGの変化量の平均と5年後に糖尿病を示した率を算出したところ, 以下の結果が得られた。 (1) スターティングポイントで糖尿病を示した率は4.1% (147/3, 604) であったのに対し, 5年後に糖尿病を示した率は7.1% (257/3, 604) であった。 (2) スターティングポイントのFPGが100mg/dl~104mg/dlの2.0%, FPGが105mg/dl~109mg/dlの7.7%, FPGが110mg/dl/~114mg/dlの18.3%, FPGが115mg/d/l~119mg/dlの37.7%, FPGが120mg/dl~125mg/dlの68.4%が, 5年後に糖尿病を示した。 (3) FPGが100mg/dl~119mg/dlの場合には, 5年後に糖尿病を示す率にBMIの各層間で有意差は認められなかった。一方, FPGが120mg/dl~125mg/dlの場合には, BMIが24未満の層では5年後に糖尿病を示した率が46.2%であったのに対し, BMIが24以上の層では5年後に糖尿病を示した率は87.1%を示し, この差はマン・ホイットニ検定にて有意なものであった。したがって, FPGが120mg/d/~125mg/dlでBMIが24以上の場合には, 糖尿病に準じる厳重な管理が必要であると考えられる。


Japanese Journal of Medicine | 1990

Identification and characterization of a new variant of apolipoprotein E (apo E-Kochi).

Tadashi Suehiro; Kenzo Yoshida; Toshinao Yamano; Fumitoshi Ohno


The journal of Japan Atherosclerosis Society | 1988

Serum Amyloid A Protein in High Density Lipoprotein of Acute Myocardial Infarction and in Human Atherosclerotic Lesion

Kenzo Yoshida; Tadashi Suehiro; Nobukazu Yasuoka; Yoshitaka Kumon; Fumitoshi Ohno


Proceedings of the Japan Academy, Series B | 1980

Presence of Creatinase and Sarcosine Dehydrogenase in Human Skeletal Muscle:Proposal for Creatine-Urea Pathway

Kazuo Miyoshi; Akira Taira; Kenzo Yoshida; Katsuya Tamura; Shigetoshi Uga


Japanese Journal of Medicine | 1991

Ascertainment of IgA1(.KAPPA.)-Transferrin Complex in a Case of Multiple Myeloma Associated with Hypersiderinemia.

Yukiko Numata; Fumihiko Tanioka; Kenzo Yoshida; Tatuya Nishioka; Kunihiko Hisatake; Toshinao Yamano; Fumitoshi Ohno


Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences | 1980

Abnormalities of Creatinase in Skeletal Muscle of Patients with Duchenne Muscular Dystrophy

Kazuo Miyoshi; Akira Taira; Kenzo Yoshida; Katsuya Tamura; Shigetoshi Uga


Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences | 1980

Presence of Creatinase and Sarcosine Dehydrogenase in Human Skeletal Muscle

Kazuo Miyoshi; Akira Taira; Kenzo Yoshida; Katsuya Tamura; Shigetoshi Uga


The journal of Japan Atherosclerosis Society | 1990

Age-Related Changes in Serum Lipoproteins in Octo- and Nonagenarians and their Relationship to Postheparin Lipolytic Activities and Serum Sex Hormone Levels

Masui Kawada; Kenzo Yoshida; Tadashi Suehiro; Fumitoshi Ohno


The journal of Japan Atherosclerosis Society | 1985

A New Case of Tangier Disease

Tadashi Suehiro; Kazunaga Takamatsu; Kenzo Yoshida; Masui Kawada; Kunihiko Hisatake; Nobukazu Yasuoka; Wakako Kishino; Shigetoshi Uga; Toshinao Yamano; Fumitoshi Ohno

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