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MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第3期32卷 463-476页

作者： Hur SUN MASANORI KAWANO tatsuya iwasaki ICHRO ITONAGA YUTA KUBOTA HROSHI TSUMURA KAZUHRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

An important factor in the emergence and progre sion of osteosarcoma(OS)is the dysregulated expression of microRNAs(miRNAs).Transcription factor 7-like 1(TCF7LI),a member of the T cell factor/lymphoid enhancer factor(TCF/LEF)transcription factor family,interacts with the Wnt signaling pathway regulator β-catenin and acts as a DNA-specific binding *** study sought to elucidate the impact of the interaction between miR 3293p and TCF7L1 *** growth and apoptosis of OS and analyze the regulatory expression relationship between miRNA and mRNA in osteosarcoma cells using a variety of ***329-3p was significantly downregulated,while TCF7L1 was considerably up-regulated in all examined OS cell ***,a clinical comparison study was performed using the TCGA ***,the regulatory relationship between miR-329-3p and TCF7L1 on the proliferation and apoptosis of OS cells was verified through in vitro and in vivo *** miR 329-3p was transfected into the OS cell line,the expression of TCF7L1 decreased,the proliferation of OS cells was inhibited,the cytoskeleton disintegrated,and the nucleus condensed to fom apoptotic *** expression of proteins that indicate apoptosis increased *** cell cycle was arrested in the G0/G1 phase,and the G1/S transition was *** introduction of miR 3293p also inhibited downstream Cyclin D1 of the Wnt *** experiments indicated that the overexpression of miR-329-3p signi ficanly inhibited the growth of OS xenografts in nude mice,and the expression of TCF7L1 and C-Myc in tumor tssues *** 329-3p was significantly reduced in OS cells and played a suppressive role in tumorigenesis and proliferation by targeting TCF7L1 both in vitro and in *** cell cycle arrest and pathway inhibition were observed upon the regulation of TCF7LI by miR *** these results,it can be inferred that miR.3293p exerts anticancer efects in osteosarcom

关键词： MiR-329-3p TCF7L1 Wnt/β-catenin pathway Osteosarcoma Proliferation

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Correction: MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第8期32卷 1369-1370页

作者： HUI SUN MASANORI KAWANO tatsuya iwasaki ICHIRO ITONAGA YUTA KUBOTA HIROSHI TSUMURA KAZUHIRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

In the article‘MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1’(Oncology Research,2024,Vol.32,No.3,pp.463−***:10.32604/or.2023.044085),there was an error in the compilation of *** have revised Fig.8D to correct this error.A corrected version of Fig.8 is *** correction does not change any results or conclusions of the *** apologize for any inconvenience caused.

关键词： osteosarcoma correction revised

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The anti-oncogenic effect of 17-DMAG via the inactivation of HSP90 and MET pathway in osteosarcoma cells

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Oncology Research 2023年第5期31卷 631-643页

作者： MASANORI KAWANO KAZUHIRO TANAKA ICHIRO ITONAGA tatsuya iwasaki YUTA KUBOTA HIROSHI TSUMURA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5593Japan

Heat shock protein(HSP)90 plays a crucial role in correcting the misfolded three-dimensional structure of proteins,assisting them in folding into proper ***90 is critical in maintaining the normal functions of various proteins within cells,as essential factors for cellular ***,HSP90 simultaneously supports the maturation of cancer-related proteins,including mesenchymal epithelial transition factor(MET)within tumor *** osteosarcoma cell lines had elevated MET expression in the cDNA array in our ***,a tyrosine kinase receptor,promotes proliferation and an anti-apoptotic state through the activation of the MET pathway constructed by *** this study,we treated osteosarcoma cells with an HSP90 inhibitor,17-demethoxygeldanamycin hydrochloride(17-DMAG),and assessed the changes in the MET signaling pathway and also the antitumor effect of the *** cell cycle in osteosarcoma cells administered 17-DMAG was found to be halted at the G2/M ***,treatment with 17-DMAG inhibited cell proliferation and induced *** of tumor cell proliferation was also observed in an in vivo model system,mice that were treated with *** on the results of this study,we were able to confirm that 17-DMAG promotes inhibition of osteosarcoma cell proliferation and induction of apoptosis by inhibition of MET,a protein highly expressed in osteosarcoma *** approach may be useful for the establishment of a new treatment strategy for patients resistant to the standard treatment for osteosarcoma.

关键词： Osteosarcoma MET HSP90 17-DMAG

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Patellar dislocation following distal femoral replacement after extraarticular knee resection for bone sarcoma:A case report

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World Journal of Clinical Cases 2022年第11期10卷 3561-3572页

作者： Yuta Kubota Kazuhiro Tanaka Masashi Hirakawa tatsuya iwasaki Masanori Kawano Ichiro Itonaga Hiroshi Tsumura Orthopaedic Surgery Oita UniversityYufu City 879-5593OitaJapan

BACKGROUND For the treatment of bone sarcoma in the distal femur,wide-margin resection and knee reconstruction with tumor endoprosthesis are standard *** knee resection is required in cases of tumor invasion of the knee joint;however,the incidence of complications,such as aseptic loosening,prosthesis infection,and implant failure,is higher than that following intra-articular knee *** the best of our knowledge,there are three reports of patellar dislocations after replacement of a tumor *** SUMMARY A 36-year-old man with no significant past medical history was admitted to our institution with continuous pain in his left knee for 4 *** open biopsy was performed,and the patient was diagnosed with a left distal femoral malignant bone ***-articular knee resection and knee reconstruction with a tumor endoprosthesis were *** the alignment of the tumor prosthesis was acceptable,knee instability was noticed *** axial radiographic view of the patellar and computed tomography showed lateral patellar dislocation at 4 wk *** patient had to undergo a lateral release and proximal *** could perform his daily activities at 9 mo *** revealed no patellar *** Proximal realignment may be considered during primary surgery if there is an imbalance in the forces controlling the patellar tracking.

关键词： Bone tumor Distal femoral replacement Lateral release Patellar dislocation Proximal realignment Case report

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Depressed-type (0-IIc) colorectal neoplasm in patients with family history of first-degree relatives with colorectal cancer:A cross-sectional study

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World Journal of Gastroenterology 2006年第19期12卷 3082-3087页

作者： Junko iwasaki Yasushi Sano Kuang-I Fu Ai Machida tatsuya Okuno Hikaru Kuwamura Takayuki Yoshino Kiyomi Mera Shigeharu Kato Atsushi Ohtsu Shigeaki Yoshida Takahiro Fujii Division of Digestive Endoscopy and Gastrointestinal Oncology National Cancer Center Hospital East ChibaJapan TF Clinic Tokyo Japan

AIM： TO investigate the correlation of depressed-type （0-IIc） colorectal neoplasm and family history of firstdegree relatives （FDR） with colorectal cancer （CRC）. METHODS： This cross-sectional study was conducted from June 2000 to October 2002 at National Cancer Center Hospital East. Eligible patients undergoing initial total colonoscopy were surveyed regarding family history of CRC among FDR by a questionnaire prior to colonoscopic examinations. All endoscopic findings during colonoscopy were recorded and the macroscopic classification of the early stage neoplasm/cancer was classified into two types （0-IIc vs non 0-IIc）. Odds ratios （OR） and 95% confidence intervals （CI） were calculated by univariate and multivariate logistic regression to estimate the association between macroscopic features and clinicopathological data including gender, age, and family history of FDR with CRC. RESULTS： The OR of an association between family history of FDR with CRC and overall early stage neoplasm adjusted by gender and age was 1.85 （95% CI： 1.31-2.61, P = 0.0004）, that for non 0-IIc neoplasm was 1.71 （95% CI： 1.22-2.41, P = 0.0017） and for 0-IIc colorectal neoplasm was 2.78 （95% CI： 1.49-5.16, P = 0.0031）. CONCLUSION： Our study shows a significant association between a family history of FDR with CRC and 0-IIc colorectal neoplasm. When patients with a family history of FDR with CRC undergo colonoscopy, colonoscopists should check carefully for not only polypoid, but also depressed-type （0-IIc） lesions.

关键词： Depressed-type Family history Colorecta cancer First-degree relative Colonoscopy

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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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Enhanced hepatic differentiation in the subpopulation of human amniotic stem cells under 3D multicellular microenvironment

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World Journal of Stem Cells 2019年第9期11卷 705-721页

作者： Kinji Furuya Yun-Wen Zheng Daisuke Sako Kenichi iwasaki Dong-Xu Zheng Jian-Yun Ge Li-Ping Liu Tomoaki Furuta Kazunori Akimoto Hiroya Yagi Hiromi Hamada Hiroko Isoda tatsuya Oda Nobuhiro Ohkohchi Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery Faculty of MedicineUniversity of TsukubaTsukubaIbaraki 305-8575Japan Institute of Regenerative Medicine and Affiliated Hospital Jiangsu UniversityZhenjiang 212001Jiangsu ProvinceChina Department of Regenerative Medicine School of MedicineYokohama City UniversityYokohama 236-0004Japan Department of Medicinal and Life Sciences Faculty of Pharmaceutical SciencesTokyo University of ScienceNoda 278-8510Japan Department of Obstetrics and Gynecology Faculty of MedicineUniversity of TsukubaTsukuba 305-8575Japan Faculty of Life and Environmental Sciences University of TsukubaTsukuba 305-8572Japan

BACKGROUND To solve the problem of liver transplantation donor insufficiency,an alternative cell transplantation therapy was *** focused on amniotic epithelial cells(AECs)as a cell source because,unlike induced pluripotent stem cells,they are cost-effective and *** utilization of AECs in regenerative medicine,however,is in its infancy.A general profile for AECs has not been comprehensively ***,no hepatic differentiation protocol for AECs has yet been *** this end,we independently compiled human AEC libraries,purified amniotic stem cells(ASCs),and co-cultured them with mesenchymal stem cells(MSCs)and human umbilical vein endothelial cell(HUVECs)in a 3D system which induces functional hepatic *** To characterize AECs and generate functional hepatic organoids from ASCs and other somatic stem cells METHODS AECs,MSCs,and HUVECs were isolated from the placentae and umbilical cords of cesarean section *** and primary AEC stemness characteristics and heterogeneity were analyzed by immunocytochemistry,Alkaline phosphatase(AP)staining,and flow *** adherent AEC subpopulation was selected and evaluated for ASC purification quality by a colony formation *** transcriptomes were compared with those for other hepatocytes cell sources by *** 2D and 3D culture were compared by relative gene expression using several differentiation ***,MSCs,and HUVECs were combined in a 3D co-culture system to generate hepatic organoids whose structure was compared with a 3D AEC sphere and whose function was elucidated by immunofluorescence imaging,periodic acid Schiff,and an indocyanine green(ICG)*** AECs have certain stemness markers such as EPCAM,SSEA4,and *** AEC subpopulation was also either positive for AP staining or expressed the TRA-1-60 and TRA-1-81 stemness ***,it could form colonies and its frequency was enhanced ten-fold in the adherent subpo

关键词： 3D micropattern Amniotic epithelial cells Amniotic stem cells Hepatic differentiation Heterogeneity Human placental tissue Human umbilical vein endothelial cells Mesenchymal stem cells Multicellular microenvironment Organoid

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振动刺激诱发前庭诱发电位检测系统的初步研究

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中华耳科学杂志 2022年第1期20卷 111-115页

作者：高滢张青鸭頭辉山岨達也岩崎真一张滟马伟军陈耔辰张玉忠许珉任晓勇西安交通大学第二附属医院耳鼻咽喉头颈外科日本东京大学耳鼻咽喉头颈外科上海交通大学医学院附属新华医院耳鼻咽喉头颈外科上海交通大学医学院耳科学研究所上海市耳鼻疾病转化医学重点实验室日本名古屋市立大学耳鼻咽喉头颈外科

目的探索振动刺激诱发前庭诱发电位(VsEP Vestibular Evoked Potential)检测系统的构建及电位记录方法。旨在建立一套操作简便,无创伤,可长期反复操作,结果稳定的前庭诱发电位检测系统。方法选取健康小鼠6只,随机分为健康对照组(3只)和... 详细信息

目的探索振动刺激诱发前庭诱发电位(VsEP Vestibular Evoked Potential)检测系统的构建及电位记录方法。旨在建立一套操作简便,无创伤,可长期反复操作,结果稳定的前庭诱发电位检测系统。方法选取健康小鼠6只,随机分为健康对照组(3只)和庆大霉素造模组(3只)。使用振动刺激诱发记录前庭诱发电位(Vestibular evoked potential,VsEP),并与声刺激诱发的听性脑干反应(ABR)进行比较。结果6只小鼠均能引出稳定的VsEP波。庆大霉素造模组在SPLR波形振动刺激下比较健康对照组阈值升高(P<0.01),N1-P1振幅降低(P<0.05)。ABR阈值无明显差异。结论振动刺激诱发的前庭诱发电位检测系统是一种操作简便、无创伤、波形稳定的动物前庭功能检测系统,可用于小鼠前庭功能电生理状态的客观评价研究。

关键词：前庭诱发电位耳石器小鼠

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