Koichi Okada
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Explore the profile of Koichi Okada including associated specialties, affiliations and a list of published articles.
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41
Citations
370
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Recent Articles
1.
Sekii Y, Kiuchi H, Takezawa K, Ueda N, Imanaka T, Kuribayashi S, et al.
Biochem Biophys Rep
. 2025 Feb;
41:101923.
PMID: 39896112
Nocturnal polyuria is a prevalent condition associated with significant deterioration in quality of life and increased risk of mortality. Despite its clinical relevance, the underlying pathogenesis is poorly understood, and...
2.
Kuribayashi S, Fukuhara S, Kitakaze H, Tsujimura G, Imanaka T, Okada K, et al.
Reprod Med Biol
. 2024 Jun;
23(1):e12595.
PMID: 38915913
Purpose: The average fatherhood age has been consistently increasing in developed countries. Aging has been identified as a risk factor for male infertility. However, its impact on various mechanisms remains...
3.
Nagahara A, Uemura M, Sato M, Nakata W, Tsujihata M, Takao T, et al.
Jpn J Clin Oncol
. 2024 Feb;
54(5):584-591.
PMID: 38305451
Background: Alternative anti-androgen therapy has been widely used as a first-line treatment for castration-resistant prostate cancer, and it may affect treatment outcome of subsequent agents targeting the androgen receptor axis....
4.
Kuribayashi S, Fukuhara S, Tsujimura G, Imanaka T, Okada K, Ueda N, et al.
Reprod Med Biol
. 2023 Feb;
22(1):e12507.
PMID: 36845001
Purpose: Microscopic testicular sperm extraction is the most effective treatment for NOA, but the sperm retrieval rate is low and depends on testicular maturity. However, there are limited useful tests...
5.
Okada K, Takezawa K, Tsujimura G, Imanaka T, Kuribayashi S, Ueda N, et al.
Front Cell Infect Microbiol
. 2022 Dec;
12:1048319.
PMID: 36569206
Introduction: We aimed to clarify the presence and localization of the prostate microbiota and examine its association with benign prostate enlargement (BPE). Methods: The microbiota of prostate tissues and catheterized...
6.
Jingushi K, Kawashima A, Saito T, Kanazawa T, Motooka D, Kimura T, et al.
Cancer Immunol Immunother
. 2022 May;
71(12):2999-3011.
PMID: 35598195
Bacterial flora has clinical significance for the host. The metabolic environment created by this flora influences immunotherapy in urothelial carcinoma. However, there are no reports on the clinical significance of...
7.
Inagaki Y, Fukuhara S, Kuribayashi S, Okada K, Sekii Y, Takezawa K, et al.
Reprod Med Biol
. 2021 Oct;
20(4):537-542.
PMID: 34646082
Purpose: Sperm function tests do not adequately assess fertilization potential, and new indices are required. We have previously reported that human testis-specific actin capping proteins may be involved in both...
8.
Takezawa K, Fujita K, Matsushita M, Motooka D, Hatano K, Banno E, et al.
Prostate
. 2021 Sep;
81(16):1287-1293.
PMID: 34516694
Background: The pathophysiology of the prostate enlargement underlying lower urinary tract symptoms is unknown. Meanwhile, the gut microbiota can contribute to various host conditions. We hypothesized that the gut microbiota...
9.
Nishime K, Sugiyama N, Okada K
Nutrients
. 2021 Aug;
13(8).
PMID: 34445034
In 2012, the Japanese Society for Dialysis Therapy (JSDT) established the order of correction of P, corrected Ca (cCa), and whole PTH (w-PTH) in the treatment of Chronic Kidney Disease-Metabolic...
10.
Takezawa K, Kuribayashi S, Okada K, Sekii Y, Inagaki Y, Fukuhara S, et al.
Sci Rep
. 2021 May;
11(1):10587.
PMID: 34012017
To determine the pathophysiology of nocturnal polyuria associated with renal dysfunction, patients who underwent laparoscopic nephrectomy were prospectively studied. The diurnal variation in urine volume, osmolality, and salt excretion were...