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Porcine Placenta Extract Enhances Ceramide Synthase 3 Expression through the PPARδ/ILK/Akt/mTOR/STAT3 Pathway

Journal of Cosmetics, Dermatological Sciences and Applications 2022年第3期12卷 131-144页

作者： Akihiro Aioi Ryuta Muromoto Jun-ichi Kashiwakura Sho Mogami megumi nishikawa Shigeyuki Ogawa Tadashi Matsuda Septem-Soken 2-4-27 Dojima Kita-ku Osaka Japan Laboratory of Immunology Faculty of Pharmaceutical Sciences Hokkaido University Sapporo Japan

Porcine placenta extract (PPE) is widely accepted as an ingredient in complementary and alternative medicine and previous studies have reported its availability, however, its underlying action mechanism remains unclear. In this study, we investigated the underlying mechanism of PPE-induced ceramide synthase 3 upregulation. PPE enhanced the expression of ceramide synthase 3 at both the mRNA and protein levels in HaCaT cells. Moreover, PPE-induced ceramide synthase3 upregulation was suppressed by the Akt inhibitor, suggesting the involvement of Akt in the underlying mechanism. As the PI3K inhibitor did not affect PPE-induced ceramide synthase 3 upregulation, the factors upstream of Akt were estimated. Inhibition and small interfering RNA experiments demonstrated that the peroxisome proliferator-activated receptors δ (PPARδ) and integrin-linked kinase (ILK) are involved in the phosphorylation of Akt. Next, we explored the factors downstream of Akt and found that PPE induced phosphorylation of the STAT3 while PPE-induced upregulation of ceramide synthase 3 was significantly suppressed by the inhibitor of the mTOR, suggesting that the mTOR/STAT3 pathway is involved in the downstream of Akt. These results demonstrate that PPE upregulates CerS3 expression via the PPARδ/ILK/Akt/mTOR/STAT3 pathway.

关键词： Porcine Placenta Ceramide Synthase 3 Signaling Pathway

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Porcine Placenta Extract Reduced Wrinkle Formation by Potentiating Epidermal Hydration

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Journal of Cosmetics, Dermatological Sciences and Applications 2021年第2期11卷 101-109页

作者： Akihiro Aioi Ryuta Muromoto Sho Mogami megumi nishikawa Shigeyuki Ogawa Tadashi Matsuda New Business Development Division Septem-Soken Osaka Japan Department of Immunology Faculty of Pharmaceutical Sciences Hokkaido University Sapporo Japan

Background: Placenta extract is used as an alternative medicine especially in Asian countries as it is a rich reservoir of diverse bioactive molecules. The effects of placenta extract on skin conditions have been previously reported, however, the mechanism underlying for reduced wrinkle formation remains unclear. Objective: The primary objective of this study was to determine whether the continuous application of porcine placenta extract (PPE) alleviates wrinkle formation in humans and explore the underlying mechanism. Methods: Wrinkle formation, skin hydration, and skin elasticity were measured in 15 volunteers at weeks 0 and 6 after continuous application of a gel containing PPE. The production of type I collagen and hyaluronic acid from fibroblasts and keratinocytes, respectively, were measured using ELISA. Expression levels of ceramide synthase 3 (CERS3), filaggrin (FLG), transglutaminase 1 (TGM1), and kallikrein-7 (KLK7) were evaluated by quantitative real-time PCR. Results: The wrinkle index was significantly reduced to 72.1% after a 6-week of applying the PPE gel, along with a significant increase in skin hydration to 126.5%. Type I collagen production from fibroblasts was enhanced slightly but significantly following treatment with PPE. PPE accelerated the expression of CERS3 (1.85-fold), FLG (1.35-fold), TGM1 (1.76-fold), and KLK7 (1.62-fold). Conclusion: Treatment with PPE alleviates wrinkle formation and simultaneously enhances skin hydration, which is induced via the accelerated expression of moisturizing-related proteins. These findings suggest that PPE is effective for combating dryness-induced wrinkle formation.

关键词： Porcine Placenta Wrinkle Formation Moisturizing-Related Proteins Keratinocyte Differentiation

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Mucosal patterns change after Helicobacter pylori eradication:Evaluation using blue laser imaging in patients with atrophic gastritis

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World Journal of Gastroenterology 2023年第17期29卷 2657-2665页

作者： Yoshiyuki nishikawa Yoshio Ikeda Hidehiro Murakami Shin-Ichiro Hori megumi Yoshimatsu Naoki nishikawa Department of Gastroenterology Nishikawa Gastrointestinal ClinicMatsuyama 790-0878EhimeJapan Endoscopy Center Ehime University HospitalToon 791-0295EhimeJapan Department of Internal Medicine Saiseikai Matsuyama HospitalMatsuyama 791-8026EhimeJapan Department of Gastroenterology Himeji Red Cross HospitalHimeji 670-8540HyogoJapan Department of Gastroenterology National Hospital Organization Shikoku Cancer CenterMatsuyama 791-0280EhimeJapan Department of Gastroenterology Matsuyama Shimin HospitalMatsuyama 790-0067EhimeJapan

BACKGROUND Mucosal patterns(MPs)observed on blue laser imaging in patients with atrophic gastritis can be classified as spotty,cracked,and ***,we hypothesized that the spotty pattern may change to the cracked pattern after Helicobacter pylori(***)*** To further substantiate and comprehensively investigate MP changes after *** eradication in a larger number of *** We included 768 patients who were diagnosed with atrophic gastritis with evaluable MP using upper gastrointestinal endoscopy at the nishikawa Gastrointestinal Clinic,*** them,325 patients were ***-positive,and of them,101 patients who underwent upper gastrointestinal endoscopy before and after *** eradication were evaluated for post-eradication MP *** patients’MPs were interpreted by three experienced endoscopists who were blinded to their clinical *** Among 76 patients with the spotty pattern before or after *** eradication,the pattern disappeared or decreased in 67 patients[88.2%,95%confidence interval(CI):79.0%-93.6%),appeared or increased in 8 patients(10.5%,95%CI:5.4%-19.4%),and showed no change in 1 patient(1.3%,95%CI:0.2%-7.1%).In 90 patients with the cracked pattern before or after *** eradication,the pattern disappeared or decreased in 7 patients(7.8%,95%CI:3.8%-15.2%),appeared or increased in 79 patients(87.8%,95%CI:79.4%-93.0%),and showed no change in 4 patients(4.4%,95%CI:1.7%-10.9%).In 70 patients with the mottled pattern before or after *** eradication,the pattern disappeared or decreased in 28 patients(40.0%,95%CI:29.3%-51.7%),appeared or increased in 35 patients(50.0%,95%CI:38.6%-61.4%),and showed no change in 7 patients(10.0%,95%CI:4.9%-19.2%).CONCLUSION After *** eradication,MPs changed from spotty to cracked in most patients,which may help endoscopists easily and precisely evaluate ***-related gastritis status.

关键词： Atrophic gastritis Helicobacter pylori Gastrointestinal endoscopy Image enhancement Classification

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Identification of telomere maintenance gene variations related to lung adenocarcinoma risk by genome-wide association and whole genome sequencing analyses

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Cancer Communications 2024年第2期44卷 287-293页

作者： Kouya Shiraishi Atsushi Takahashi Yukihide Momozawa Yataro Daigo Syuzo Kaneko Takahisa Kawaguchi Hideo Kunitoh Shingo Matsumoto Hidehito Horinouchi Akiteru Goto Takayuki Honda Kimihiro Shimizu Masahiro Torasawa Daisuke Takayanagi Motonobu Saito Akira Saito Yuichiro Ohe Shun-ichi Watanabe Koichi Goto Masahiro Tsuboi Katsuya Tsuchihara Sadaaki Takata Tomomi Aoi Atsushi Takano Masashi Kobayashi Yohei Miyagi Kazumi Tanaka Hiroyuki Suzuki Daichi Maeda Takumi Yamaura Maiko Matsuda Yoko Shimada Takaaki Mizuno Hiromi Sakamoto Teruhiko Yoshida Yasushi Goto Tatsuya Yoshida Taiki Yamaji Makoto Sonobe Shinichi Toyooka Kazue Yoneda Katsuhiro Masago Fumihiro Tanaka megumi Hara Nobuo Fuse Satoshi S.Nishizuka Noriko Motoi Norie Sawada Yuichiro Nishida Kazuki Kumada Kenji Takeuchi Kozo Tanno Yasushi Yatabe Kuniko Sunami Tomoyuki Hishida Yasunari Miyazaki Hidemi Ito Mitsuhiro Amemiya Hirohiko Totsuka Haruhiko Nakayama Tomoyuki Yokose Kazuyoshi Ishigaki Toshiteru Nagashima Yoichi Ohtaki Kazuhiro Imai Ken Takasawa Yoshihiro Minamiya Kazuma Kobayashi Kenichi Okubo Kenji Wakai Atsushi Shimizu Masayuki Yamamoto Motoki Iwasaki Koichi Matsuda Johji Inazawa Yuichi Shiraishi Hiroyoshi nishikawa Yoshinori Murakami Michiaki Kubo Fumihiko Matsuda Yoichiro Kamatani Ryuji Hamamoto Keitaro Matsuo Takashi Kohno Division of Genome Biology National Cancer Center Research InstituteTokyoJapan Department of Clinical Genomics National Cancer Center Research InstituteTokyoJapan Laboratory for Statistical Analysis Center for Integrative Medical SciencesRIKENYokohamaJapan Department of Genomic Medicine Research InstituteNational Cerebral and Cardiovascular CenterOsakaJapan Laboratory for Genotyping Development Center for Integrative Medical SciencesRIKENYokohamaJapan Center for Antibody and Vaccine Therapy Research HospitalInstitute of Medical ScienceThe University of TokyoTokyoJapan Department of Medical Oncology and Cancer Center and Center for Advanced Medicine against CancerShiga University of Medical ScienceOtsuJapan Division of Medical AI Research and Development National Cancer Center Research InstituteTokyoJapan Center for Genomic Medicine Graduate School of MedicineKyoto UniversityKyotoJapan Department of Medical Oncology Japanese Red Cross Medical CenterTokyoJapan Department of Thoracic Oncology National Cancer Center Hospital EastJapan Department of Thoracic Oncology National Cancer Center HospitalTokyoJapan Department of Cellular and Organ Pathology Graduate School of MedicineAkita UniversityAkitaJapan Department of Respiratory Medicine Tokyo Medical and Dental UniversityBunkyo-kuTokyoJapan Division of General Thoracic Surgery Department of SurgeryShinshu University School of MedicineMatsumotoNaganoJapan Department of General Surgical Science Division of General Thoracic SurgeryGunma University Graduate School of MedicineIntegrative Center of General SurgeryGunma University HospitalGunmaJapan Department of Gastrointestinal Tract Surgery Fukushima Medical University School of MedicineFukushimaJapan StaGen Co. LtdTokyoJapan Division of Thoracic Surgery National Cancer Center HospitalTokyoJapan Department of Thoracic Surgery National Cancer Center Hospital EastChibaJapan Division of Translational Informatics Exploratory Oncology Research and Clinical Trial Center(EPOC

Dear editor,Lung carcinoma is responsible for the highest fatal-ity rate among cancer-related deaths globally,with lung adenocarcinoma(LADC)emerging as the prevailing sub-type.

关键词： adenocarcinoma lung Lung

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