Search Results - "OKUYAMA, AKIHIKO"

Novel 5α‐steroid reductase (SRD5A3, type‐3) is overexpressed in hormone‐refractory prostate cancer by Uemura, Motohide, Tamura, Kenji, Chung, Suyoun, Honma, Seijiro, Okuyama, Akihiko, Nakamura, Yusuke, Nakagawa, Hidewaki

“…Prostate cancer often relapses during androgen‐depletion therapy, even under conditions in which a drastic reduction of circulating androgens is observed…”
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Monotherapeutic High-Dose-Rate Brachytherapy for Prostate Cancer: Five-Year Results of an Extreme Hypofractionation Regimen With 54 Gy in Nine Fractions by Yoshioka, Yasuo, M.D., Ph.D, Konishi, Koji, M.D, Sumida, Iori, Ph.D, Takahashi, Yutaka, Ph.D, Isohashi, Fumiaki, M.D, Ogata, Toshiyuki, Ph.D, Koizumi, Masahiko, M.D., Ph.D, Yamazaki, Hideya, M.D., Ph.D, Nonomura, Norio, M.D., Ph.D, Okuyama, Akihiko, M.D., Ph.D, Inoue, Takehiro, M.D., Ph.D

“…Purpose To evaluate an extreme hypofractionation regimen with 54 Gy in nine fractions provided by high-dose-rate (HDR) brachytherapy as monotherapy for…”
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Diversity in protein profiles of individual calcium oxalate kidney stones by Okumura, Nobuaki, Tsujihata, Masao, Momohara, Chikahiro, Yoshioka, Iwao, Suto, Kouzou, Nonomura, Norio, Okuyama, Akihiko, Takao, Toshifumi

“…Calcium oxalate kidney stones contain low amounts of proteins, some of which have been implicated in progression or prevention of kidney stone formation. To…”
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Excellent Long‐term Outcome of ABO‐Incompatible Living Donor Kidney Transplantation in Japan by Takahashi, Kota, Saito, Kazuhide, Takahara, Shiro, Okuyama, Akihiko, Tanabe, Kazunari, Toma, Hiroshi, Uchida, Kazuharu, Hasegawa, Akira, Yoshimura, Norio, Kamiryo, Yoriaki

“…Owing to the severe shortage of cadaveric grafts in Japan, we have performed ABO‐incompatible living donor kidney transplantation since 1989. This study…”
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Late-onset hypogonadism (LOH) and androgens: Validity of the measurement of free testosterone levels in the diagnostic criteria in Japan by Iwamoto, Teruaki, Yanase, Toshihiko, Horie, Hitoshi, Namiki, Mikio, Okuyama, Akihiko

“…The basis of diagnosis of late‐onset hypogonadism (LOH) is the measurement of androgen levels. Traditionally, total testosterone (total T) was also used as the…”
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Cytochrome P450 1B1 Is Overexpressed and Regulated by Hypomethylation in Prostate Cancer by TOKIZANE, Takashi, SHIINA, Hiroaki, NONOMURA, Norio, OKUYAMA, Akihiko, DAHIYA, Rajvir, IGAWA, Mikio, ENOKIDA, Hideki, URAKAMI, Shinji, KAWAKAMI, Toshifumi, OGISHIMA, Tatsuya, OKINO, Steven T, LI, Long-Cheng, TANAKA, Yuichiro

“…Purpose: Cytochrome P 450 1B1 ( CYP1B1 ), a dioxin inducible member of the CYP supergene family, is overexpressed in various human malignancies including…”
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Atorvastatin inhibits renal crystal retention in a rat stone forming model by Tsujihata, Masao, Momohara, Chikahiro, Yoshioka, Iwao, Tsujimura, Akira, Nonomura, Norio, Okuyama, Akihiko

“…The interactions between crystals and renal tubular cells are important factors in urolithiasis formation. Moreover, some reports have suggested the…”
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New Years Greetings by Okuyama, Akihiko

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Updated Japanese Urological Association Guidelines on prostate-specific antigen-based screening for prostate cancer in 2010

“…The exposure rate of screening for prostate cancer using prostate‐specific antigen (PSA) in Japan is still very low compared with that in the USA or western…”
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Vardenafil and Resveratrol Synergistically Enhance the Nitric Oxide/Cyclic Guanosine Monophosphate Pathway in Corpus Cavernosal Smooth Muscle Cells and Its Therapeutic Potential for Erectile Dysfunction in the Streptozotocin‐Induced Diabetic Rat: Preliminary Findings by Fukuhara, Shinichiro, Tsujimura, Akira, Okuda, Hidenobu, Yamamoto, Keisuke, Takao, Tetsuya, Miyagawa, Yasushi, Nonomura, Norio, Okuyama, Akihiko

“…Phosphodiesterase type 5 (PDE5) inhibitors are very effective agents for erectile dysfunction; however, specific patient populations are hard to treat. The…”
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Transplantation of spermatogonial stem cells isolated from leukemic mice restores fertility without inducing leukemia by Fujita, Kazutoshi, Ohta, Hiroshi, Tsujimura, Akira, Takao, Tetsuya, Miyagawa, Yasushi, Takada, Shingo, Matsumiya, Kiyomi, Wakayama, Teruhiko, Okuyama, Akihiko

“…More than 70% of patients survive childhood leukemia, but chemotherapy and radiation therapy cause irreversible impairment of spermatogenesis. Although…”
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The endoscopic surgical skill qualification system in urological laparoscopy: a novel system in Japan by Matsuda, Tadashi, Ono, Yoshinari, Terachi, Toshiro, Naito, Seiji, Baba, Shiro, Miki, Tsuneharu, Hirao, Yoshihiko, Okuyama, Akihiko

“…The Japanese Urological Association, and Japanese Society of Endourology and ESWL have established the Endoscopic Surgical Skill Qualification System in…”
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Effect of Sex Hormones on Crystal Formation in a Stone-forming Rat Model by Yoshioka, Iwao, Tsujihata, Masao, Momohara, Chikahiro, Akanae, Wongsawat, Nonomura, Norio, Okuyama, Akihiko

“…Objectives To evaluate the contribution of sex hormones in urolithiasis using a stone-forming rat model. Gender differences because of sex hormones are thought…”
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Carbamylated erythropoietin protects the kidneys from ischemia-reperfusion injury without stimulating erythropoiesis by Imamura, Ryoichi, Isaka, Yoshitaka, Ichimaru, Naotsugu, Takahara, Shiro, Okuyama, Akihiko

“…Several studies have shown that erythropoietin (EPO) can protect the kidneys from ischemia-reperfusion injury and can raise the hemoglobin (Hb) concentration…”
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Isolation of germ cells from leukemia and lymphoma cells in a human in vitro model : Potential clinical application for restoring human fertility after anticancer therapy by FUJITA, Kazutoshi, TSUJIMURA, Akira, MIYAGAWA, Yasushi, KIUCHI, Hiroshi, MATSUOKA, Yasuhiro, TAKAO, Tetsuya, TAKADA, Shingo, NONOMURA, Norio, OKUYAMA, Akihiko

“…More than 70% of patients survive childhood cancer, but chemotherapy and radiation therapy may cause irreversible impairment of spermatogenesis. To treat…”
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Decreased infiltration of macrophage scavenger receptor‐positive cells in initial negative biopsy specimens is correlated with positive repeat biopsies of the prostate by Nonomura, Norio, Takayama, Hitoshi, Kawashima, Atsunari, Mukai, Masatoshi, Nagahara, Akira, Nakai, Yasutomo, Nakayama, Masashi, Tsujimura, Akira, Nishimura, Kazuo, Aozasa, Katsuyuki, Okuyama, Akihiko

“…Macrophage scavenger receptor (MSR)‐positive inflammatory cells and tumor‐associated macrophages (TAMs) have been reported to regulate the growth of various…”
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Semen quality of 1559 young men from four cities in Japan: a cross-sectional population-based study by Iwamoto, Teruaki, Nozawa, Shiari, Mieno, Makiko Naka, Yamakawa, Katsunori, Baba, Katsuyuki, Yoshiike, Miki, Namiki, Mikio, Koh, Eitetsu, Kanaya, Jiro, Okuyama, Akihiko, Matsumiya, Kiyomi, Tsujimura, Akira, Kanetake, Hiroshi, Eguchi, Jiro, Skakkebaek, Niels E, Vierula, Matti, Toppari, Jorma, Jørgensen, Niels

“…Objectives To provide information of semen quality among normal young Japanese men and indicate the frequency of reduced semen quality. Design Cross-sectional,…”
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Morphologic and mitochondrial characterization of human spermatogenic cells dispersed in wet preparation for testicular sperm extraction: establishment of a microscopic diagram of developing human spermatogenic cells by Okuda, Hidenobu, M.D, Tsujimura, Akira, M.D, Yamamoto, Keisuke, M.D, Fukuhara, Shinichiro, M.D, Nakayama, Jiro, M.D, Kiuchi, Hiroshi, M.D, Takao, Tetsuya, M.D, Miyagawa, Yasushi, M.D, Nonomura, Norio, M.D, Okuyama, Akihiko, M.D

“…The successful identification of spermatozoa at microdissection testicular sperm extraction is critical and can depend on the judgment of experienced…”
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Risk factors for malignancy in Japanese renal transplant recipients by Imao, Tetsuya, Ichimaru, Naotsugu, Takahara, Shiro, Kokado, Yukito, Okumi, Masayoshi, Imamura, Ryoichi, Namba, Yukiomi, Isaka, Yoshitaka, Nonomura, Norio, Okuyama, Akihiko

“…BACKGROUND. Among recipients of renal transplants, the incidences of renal cancer and gastrointestinal cancer are higher and that of skin cancer is much lower…”
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Genetic polymorphisms of CYP17A1 in steroidogenesis pathway are associated with risk of progression to castration-resistant prostate cancer in Japanese men receiving androgen deprivation therapy by Yamada, Takeshi, Nakayama, Masashi, Shimizu, Tomohito, Nonen, Shinpei, Nakai, Yasutomo, Nishimura, Kazuo, Fujio, Yasushi, Okuyama, Akihiko, Azuma, Junichi, Nonomura, Norio

“…Background Hormone ablation therapy is the standard therapy for prostate cancer; however, there are large individual differences in the duration of response to…”
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