Takashi Kitanaka

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Hiroshi Kobayashi19
A Hidaka18
Toshiyuki Sado15
Shoji Haruta14
Shozo Yoshida13
25Hiroshi Kobayashi
18A Hidaka
16Toshiyuki Sado
15Shoji Haruta
14Shozo Yoshida

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1970
2011
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A randomized study of screening for ovarian cancer: a multicenter study in Japan.
Ovarian cancer is common in women from developed countries. We designed a prospective randomized controlled trial of ovarian cancer screening to establish an improved strategy for the early detection of cancers. Asymptomatic postmenopausal women were randomly assigned between 1985 and 1999 to either an intervention group (n = 41,688) or a control group (n =… (More)
Two cases of pregnant women with ovarian endometrioma mimicking a malignant ovarian tumor.
The detection of an ovarian mass during pregnancy is often a diagnostic challenge. We describe 2 cases of ovarian endometrioma during pregnancy with marked mural nodules on the cyst wall. The sonographic and MR imaging findings mimicked ovarian cancer. Surgical intervention may still be inevitable to exclude the possibility of malignancy.
Ovarian endometrioma--risks factors of ovarian cancer development.
OBJECTIVE Our prospective studies in Japan have found an increased ovarian cancer incidence in women with ovarian endometrioma (standardized incidence ratio, 8.95; 95% confidence intervals, 4.12-5.3). The risk increased with increasing age at ovarian endometrioma diagnosis. The goal of this study was to define the risk factor(s) of ovarian cancer… (More)
Fetal responses to long-term hypoxemia in sheep.
The effect of acute or short-term hypoxia on fetal cardiovascular hemodynamics has been well known; however, little is known about the effect of long-term hypoxemia. To determine the fetal hemodynamic responses to this stress we studied two groups of animals: 1) pregnant ewes (n = 20) at 110-115 days of gestation subjected to hypoxia for up to 28 days and… (More)
Maternal responses to long-term hypoxemia in sheep.
To determine the maternal cardiovascular responses to long-term hypoxemia, we studied three groups of animals: 1) pregnant ewes (n = 20) at 110-115 days gestation subjected to hypoxia for up to 28 days; 2) pregnant ewes (n = 4) that served as normoxic controls; and 3) nonpregnant ewes (n = 6) subjected to hypoxemia for up to 28 days. We measured mean… (More)
Prediction of pregnancy-induced hypertension by isometric exercise.
The purpose of this study is to evaluate an isometric exercise (Hand-Grip test) as a method to predict pregnancy-induced hypertension (PIH). One hundred and twenty-five pregnant women were given the Hand-Grip (HG) test before the 15th gestational week. The Hand-Grip test was rated positive when the systolic blood pressure increased 15 mmHg or more during… (More)
Suppression of urokinase receptor expression by thalidomide is associated with inhibition of nuclear factor kappaB activation and subsequently suppressed ovarian cancer dissemination.
Thalidomide has been used to treat a variety of diseases ranging from alleviation of autoimmune disorders to prevention of metastasis of cancers. It has been shown previously that increased levels of urokinase-type plasminogen activator receptor (uPAR) correlate well with higher invasive phenotype. We examined whether thalidomide is able to suppress the… (More)
A soybean Kunitz trypsin inhibitor reduces tumor necrosis factor-alpha production in ultraviolet-exposed primary human keratinocytes.
BACKGROUND Cytokines are produced as a consequence of photo-damaged DNA and oxidative stress in ultraviolet (UV)-exposed keratinocytes. A soybean Kunitz trypsin inhibitor (KTI) down-regulates the expression of proinflammatory cytokines such as tumor necrosis factor-alpha (TNF-alpha) in tumor cells and inflammatory cells. AIM The effect of KTI on TNF-alpha… (More)
Prevalence of ovarian cancer among women with a CA125 level of 35 U/ml or less.
BACKGROUND The optimal upper limit of the normal range for CA125 in ovarian cancer screening is unknown. We investigated the prevalence of ovarian cancer among women in the Shizuoka Cohort Study on Ovarian Cancer Screening (SCSOCS) trial who had an abnormal ultrasound (US) and a CA125 level of 35 U/ml or less. METHODS Of 48,027 women enrolled in the… (More)
Anticytokine therapy in preterm labor: current knowledge and future perspectives.
AIMS Up to 10% of pregnant women have preterm birth that might be refractory to current therapy. Infections and asphyxia related to preterm birth are the causes of death in the majority of neonates and therefore represent an urgent clinical need. METHODS The present article reviews the English language literature for preclinical and clinical trials and… (More)