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Showing 13 to 24 of 101 entries
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Role of catalytic iron and oxidative stress in nitrofen-induced congenital diaphragmatic hernia and its amelioration by Saireito (TJ-114).

Journal of clinical biochemistry and nutrition

Hirako S, Tsuda H, Ito F, Okazaki Y, Hirayama T, Nagasawa H, Nakano T, Imai K, Kotani T, Kikkawa F, Toyokuni S.
PMID: 29203958
J Clin Biochem Nutr. 2017 Nov;61(3):176-182. doi: 10.3164/jcbn.17-17. Epub 2017 Sep 05.

Congenital diaphragmatic hernia (CDH) is a life-threatening neonatal disease that leads to lung hypoplasia and pulmonary hypertension. We recently found that maternal prenatal administration of Saireito (TJ-114) ameliorates fetal CDH in a nitrofen-induced rat model. Here, we studied the...

Minimal inflammogenicity of pristine single-wall carbon nanotubes.

Nagoya journal of medical science

Toyokuni S, Jiang LI, Kitaura R, Shinohara H.
PMID: 25797984
Nagoya J Med Sci. 2015 Feb;77(1):195-202.

Carbon nanotubes (CNTs) are a novel synthetic material comprising only carbon atoms. Based on its rigidity, its electrical and heat conductivity and its applicability to surface manufacturing, this material is expected to have numerous applications in industry. However, due...

Non-thermal plasma specifically kills oral squamous cell carcinoma cells in a catalytic Fe(II)-dependent manner.

Journal of clinical biochemistry and nutrition

Sato K, Shi L, Ito F, Ohara Y, Motooka Y, Tanaka H, Mizuno M, Hori M, Hirayama T, Hibi H, Toyokuni S.
PMID: 31379408
J Clin Biochem Nutr. 2019 Jul;65(1):8-15. doi: 10.3164/jcbn.18-91. Epub 2019 Jun 01.

Oral cancer accounts for ~2% of all cancers worldwide, and therapeutic intervention is closely associated with quality of life. Here, we evaluated the effects of non-thermal plasma on oral squamous cell carcinoma cells with special reference to catalytic Fe(II)....

Ferroptosis resistance determines high susceptibility of murine A/J strain to iron-induced renal carcinogenesis.

Cancer science

Cheng Z, Akatsuka S, Li GH, Mori K, Takahashi T, Toyokuni S.
PMID: 34699654
Cancer Sci. 2021 Oct 26; doi: 10.1111/cas.15175. Epub 2021 Oct 26.

Cancer susceptibility is a critical factor in the understanding of carcinogenesis. Intraperitoneal (i.p.) injection of an iron chelate, ferric nitrilotriacetate (Fe-NTA), produces hydroxyl radicals via Fenton reaction to induce ferroptosis in renal proximal tubules. Rats or mice subjected to...

Avoidance of Hen's Egg Based on IgE Levels Should Be Avoided for Children With Hen's Egg Allergy.

Frontiers in pediatrics

Miyagi Y, Yamamoto-Hanada K, Ogita H, Kiguchi T, Inuzuka Y, Toyokuni K, Nishimura K, Irahara M, Ishikawa F, Sato M, Saito-Abe M, Miyaji Y, Kabashima S, Fukuie T, Nomura I, Ohya Y.
PMID: 33520887
Front Pediatr. 2021 Jan 15;8:583224. doi: 10.3389/fped.2020.583224. eCollection 2020.

No abstract available.

Development of prediction models for the sensitivity of oral squamous cell carcinomas to preoperative S-1 administration.

Heliyon

Shiiba M, Yamagami H, Sudo T, Tomokuni Y, Kashiwabara D, Kirita T, Kusukawa J, Komiya M, Tei K, Kitagawa Y, Imai Y, Kawamata H, Bukawa H, Satomura K, Oki H, Shinozuka K, Sugihara K, Sugiura T, Sekine J, Yokoe H, Saito K, Tanzawa H.
PMID: 32793829
Heliyon. 2020 Aug 05;6(8):e04601. doi: 10.1016/j.heliyon.2020.e04601. eCollection 2020 Aug.

S-1 is an anticancer agent that is comprised of tegafur, gimeracil, and oteracil potassium, and is widely used in various carcinomas including oral squamous cell carcinoma (OSCC). Although an established prediction tool is not available, we aimed to develop...

Embryonal erythropoiesis and aging exploit ferroptosis.

Redox biology

Zheng H, Jiang L, Tsuduki T, Conrad M, Toyokuni S.
PMID: 34736120
Redox Biol. 2021 Oct 30;48:102175. doi: 10.1016/j.redox.2021.102175. Epub 2021 Oct 30.

Ferroptosis is a form of regulated cell necrosis, as a consequence of Fe(II)-dependent lipid peroxidation. Although ferroptosis has been linked to cancer cell death, neurodegeneration and reperfusion injury, physiological roles of ferroptosis have not been elucidated to date mostly...

Augmented oxidative stress increases 8-oxoguanine preferentially in the transcriptionally active genomic regions.

Free radical research

Akatsuka S, Li GH, Kawaguchi S, Takahashi T, Yoshihara M, Suyama M, Toyokuni S.
PMID: 32299260
Free Radic Res. 2020 Dec;54(11):872-882. doi: 10.1080/10715762.2020.1733548. Epub 2020 Apr 16.

8-Oxoguanine (8-oxoG) is the most common DNA base modification in the mammalian genome, associated with oxidative stress. Here we analysed the alterations in the distribution of 8-oxoG across the entire murine genome, before and after an elevation of oxidative...

Direct exposure of non-equilibrium atmospheric pressure plasma confers simultaneous oxidative and ultraviolet modifications in biomolecules.

Journal of clinical biochemistry and nutrition

Okazaki Y, Wang Y, Tanaka H, Mizuno M, Nakamura K, Kajiyama H, Kano H, Uchida K, Kikkawa F, Hori M, Toyokuni S.
PMID: 25411528
J Clin Biochem Nutr. 2014 Nov;55(3):207-15. doi: 10.3164/jcbn.14-40. Epub 2014 Sep 09.

Thermal plasmas and lasers are used in medicine to cut and ablate tissues and for coagulation. Non-equilibrium atmospheric pressure plasma (NEAPP) is a recently developed, non-thermal technique with possible biomedical applications. Although NEAPP reportedly generates reactive oxygen/nitrogen species, electrons,...

Pathological complete response (pCR) with or without the residual intraductal carcinoma component following preoperative treatment for pancreatic cancer: Revisiting the definition of "pCR" from the prognostic standpoint.

Annals of gastroenterological surgery

Yamada D, Takahashi H, Asukai K, Hasegawa S, Tomokuni A, Wada H, Akita H, Yasui M, Miyata H, Ishikawa O.
PMID: 31788656
Ann Gastroenterol Surg. 2019 Sep 20;3(6):676-685. doi: 10.1002/ags3.12288. eCollection 2019 Nov.

BACKGROUND AND AIM: There are no previous reports describing the prognostic significance of the residual intraductal carcinoma component (carcinoma in situ [CIS]) following preoperative treatment for pancreatic ductal adenocarcinoma (PDAC). The aim of the present study was to investigate...

Astaxanthin ameliorates ferric nitrilotriacetate-induced renal oxidative injury in rats.

Journal of clinical biochemistry and nutrition

Okazaki Y, Okada S, Toyokuni S.
PMID: 28751805
J Clin Biochem Nutr. 2017 Jul;61(1):18-24. doi: 10.3164/jcbn.16-114. Epub 2017 Jun 15.

Daily intake of vegetables can reduce the risk of cancer and lifestyle-related diseases. However, supplementary intake of β-carotene alone has been reported to increase the risk of lung cancer in male cigarette smokers and people who were exposed to...

Effect of molecular hydrogen on uterine inflammation during preterm labour.

Biomedical reports

Nakano T, Kotani T, Imai K, Iitani Y, Ushida T, Tsuda H, Li H, Iwase A, Toyokuni S, Kikkawa F.
PMID: 29732148
Biomed Rep. 2018 May;8(5):454-460. doi: 10.3892/br.2018.1082. Epub 2018 Mar 27.

Intrauterine inflammation causes preterm birth and is associated with complications in preterm neonates. Thus, strategies aimed at suppressing inflammation are expected to be effective for reducing the risk of preterm birth and associated complications. Our previous studies demonstrated that...

Showing 13 to 24 of 101 entries