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Primary study of leptin and human hepatocellular carcinoma in vitro

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World Journal of Gastroenterology 2008年第18期14卷 2900-2904页

作者： Jing Zhou Wei Lei Lei shen He-sheng Luo zhi-xiang shen Department of Gastroenterology Renmin Hospital of Wuhan University Wuhan 430060 Hubei Province China Department of Urology Wuhan Children Hospital Wuhan 430016 Hubei Province China

AIM: To investigate the expression level and effects of leptin in human hepatocellular carcinoma cells in vitro and to explore the correlation between them. METHODS: Human hepatocellular carcinoma cell line HepG2 was cultured in vitro, and (the expression level) mRNA of leptin and leptin receptors in HepG2 were assessed using reverse transcription polymerase chain reaction (RT-PCR). Effects of different concentrations of leptin (50 ng/mL, 100 ng/mL, 200 ng/mL) on HepG2 were detected with colorimetric assay by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) after incubation periods of 24 h, 48 h, and 72 h. Flow cytometry was performed to assess cell cycle progression of different concentrations of leptin as stated above after each 24 h incubation period. RESULTS: mRNA of leptin and leptin receptors (including short and long isoforms) were expressed in HepG2. The 72 h incubation of leptin at different concentrations (50 ng/mL, 100 ng/mL, 200 ng/mL) promoted proliferation of HepG2 in a concentration- and time- dependent manner. The experimental group shows significant statistical differences when compared to the controlled group which contained 0 ng/mL of leptin. As the concentration of leptin increases, significant fewer cells were detected in G0-G1 phase and more cells in S and G2-M phases. CONCLUSION: Leptin and leptin receptor are simultaneously expressed in human hepatocellular carcinoma cell line HepG2. Addition of leptin (0 ng/mL-200 ng/mL) in 72 h periods indicated there is a concentration- and time-dependent correlation in the stimulation of HepG2 cell proliferation. The effect of proliferation by leptin is due to promotion of DNA synthesis and enhancement of mitotic activity. The relationship between leptin and human hepatocellular carcinoma cells might indicate that adipokine could be associated with the progression of human hepatocellular carcinoma.

关键词： Leptin Hepatocellular carcinoma Proliferation

Relationship between preoperative staging by endoscopic ultrasonography and MMP-9 expression in gastric carcinoma

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World Journal of Gastroenterology 2007年第14期13卷 2108-2112页

作者： Shi-Yun Tan Jun-Yu Wang Lei shen He-sheng Luo zhi-xiang shen Department of Gastroenterology Renmin Hospital Wuhan University Wuhan 430060 Hubei Province China

AIM: To investigate the relationship between the staging by endoscopic ultrasonography (EUS) and the expression of carcinoma metastasis associated gene in the patients with gastric carcinoma. METHODS: Sixty-three patients with gastric cancer were diagnosed by electric gastroscopy and EUS. The preoperative staging of gastric cancer was measured by EUS and compared with pathologic staging and MMP-9 expression. Peripheral serum level of MMP-9 was measured with enzyme-linked immunosorbent assay (ELISA), while the expression of MMP-9 protein was tested with immunohistochemistry and hybridization in situ in the gastric carcinoma tissues. RESULTS: The total accuracy of EUS in estimating invasive depth of gastric cancer was 80.95%, while that in estimating lymphatic metastasis was 73.02%. Serum MMP-9 levels were consistent with the expression of MMP-9 protein and MMP-9 mRNA in tissue, a result closely correlated with invasive degree, staging with EUS and lymphatic metastasis in gastric cancer (P < 0.05). The total accuracy of estimating invasive depth in gastric cancer was 95.22% using both EUS and MMP-9. CONCLUSION: The MMP-9 level of preoperative serum presents the reference value for preoperative staging by EUS in the patients with gastric cancer. When serum MMP-9 level in gastric cancer is significantly high, physicians should pay closer attention to the metastasis which reaches the serosa or beyond. Combining EUS and MMP-9 improves the accuracy in deciding the invasion and metastasis in the patients with gastric carcinoma.

关键词： Endoscopic ultrasonography Stomachneoplasm Gastroscopy Neoplasm staging Matrixmetalloproteimase 9

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食管癌和环氧合酶-2关系的研究进展

世界华人消化杂志 2007年第15期15卷 1750-1753页

作者：胡卫沈志祥武汉大学医院内科湖北省武汉市430072 武汉大学人民医院内科湖北省武汉市430070

环氧化酶是花生四烯酸代谢中的一种限速酶,其中的同工酶之一的环氧合酶-2,通过多种途径与诸多肿瘤的发生、发展和预后密切相关.食管癌具有高发病率和死亡率,近年来认为环氧合酶-2通过异型生物质(xenobiotic)代谢,抑制凋亡,参与慢性炎症... 详细信息

环氧化酶是花生四烯酸代谢中的一种限速酶,其中的同工酶之一的环氧合酶-2,通过多种途径与诸多肿瘤的发生、发展和预后密切相关.食管癌具有高发病率和死亡率,近年来认为环氧合酶-2通过异型生物质(xenobiotic)代谢,抑制凋亡,参与慢性炎症、免疫抑制,上调血管生成因子的表达,以及促进肿瘤的浸润和转移在其致癌中起重要作用.实验证据表明利用选择性环氧合酶-2抑制剂抑制环氧合酶-2活性可以预防各种组织中肿瘤的形成,包括食管癌.本文就环氧合酶-2对食管癌的致癌作用及选择性环氧合酶-2抑制剂的预防和/或治疗作用作一综述.

关键词：食管癌环氧合酶-2 肿瘤发生预防治疗

Investigation of bubbles escape behavior from low basicity mold flux for high-Mn high-Al steels using 3D X-ray microscope

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 102-110页

作者： Qiang Liu xiang Li shen Du Ming Gao Yanbin Yin Jiongming Zhang State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China

During the continuous casting process of high-Mn high-Al steels,various types of gases such as Ar need to escape through the top of the *** which,the behavior of bubbles traversing the liquid slag serves as a restrictive link,closely associated with viscosity and the thickness of liquid *** contrast to two-dimensional surface observation,three-dimensional(3D)analysis method can offer a more intuitive,accurate,and comprehensive ***,this study employs a 3D X-ray microscope(3D-XRM)to obtained spatial distribution and 3D morphological characteristics of residual bubbles in mold flux under different basicity of liquid slag,different temperatures,and different holding *** results indicate that as basicity of slag increases from 0.52 to 1.03,temperature increases from 1423 to 1573 K,the viscosity of slag decreases,the floating rate of bubbles *** addition,when holding time increases from 10 to 30 s,the bubbles floating distance increases,and the volume fraction and average equivalent sphere diameter of the bubbles solidified in the mold flux gradually *** one word,increasing the basicity,temperature,and holding time leading to an increase in the removal rate of bubbles especially for the *** findings of bubbles escape behavior provide valuable insights into optimizing low basicity mold flux for high-Mn high-Al steels.

关键词： mold flux low basicity bubbles three-dimensional X-ray microscope viscosity

Coagulation indices and fibrinogen degradation products as predictive biomarkers for tumor-node-metastasis staging and metastasis in gastric cancer

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World Journal of Gastrointestinal Oncology 2025年第1期17卷 110-120页

作者： Yi-Qing shen Qiu-Wan Wei Yi-Ren Tian Yun-zhi Ling Min Zhang Clinical Laboratory Civil Aviation Shanghai HospitalGubei Branch of Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200000China Clinical Laboratory Tongji Hospital of Tongji UniversityShanghai 200000China

BACKGROUND Gastric cancer(GC)is a prevalent malignancy with a substantial health burden and high mortality rate,despite advances in prevention,early detection,and *** with the global average,Asia,notably China,reports disproportionately high GC *** disease often progresses asymptoma-tically in the early stages,leading to delayed diagnosis and compromised ***,it is crucial to identify early diagnostic biomarkers and enhance treatment strategies to improve patient outcomes and reduce *** Retrospectively analyzed the clinical data of 148 patients with GC treated at the Civil Aviation Shanghai Hospital between December 2022 and December *** associations of coagulation indices-partial thromboplastin time(APTT),prothrombin time(PT),thrombin time(TT),fibrinogen,fibrinogen degradation products(FDP),fasting blood glucose,and D-dimer(D-D)with TNM stage and distant metastasis were *** Prolongation of APTT,PT,and TT was significantly correlated with the GC TNM ***,abnormal coagulation system activation was closely related to disease *** FDP and D-D were significantly associated with distant metastasis in GC(P<0.05),suggesting that increased fibrinolytic activity contributes to increased metastatic *** Our Results reveal coagulation indices,FDPs as GC biomarkers,reflecting abnormal coagulation/fibrinolysis,aiding disease progression,metastasis prediction,and helping clinicians assess thrombotic risk for early intervention and personalized treatment plans.

关键词： Coagulation indexes Fibrinogen degradation products Gastric cancer Tumor-node-metastasis staging Distant metastasis

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杜仲转录组微卫星特征分析

经济林研究 2016年第4期34卷 47-51页

作者：申响保闫文德梁小翠孙志强中南林业科技大学林学院河南郑州450003 中南林业科技大学南方林业生态应用技术国家工程实验室湖南长沙410004 国家林业局泡桐研究开发中心河南郑州450003

为给杜仲SSR分子标记的选择提供参考依据,利用MISA软件对杜仲转录组序列进行了微卫星查找,共获得重复单元长度为1~6碱基的29 067个微卫星序列。分析这些微卫星序列后发现,在杜仲转录组中,长度为二核苷酸的微卫星重复单元最为丰富,占43.... 详细信息

为给杜仲SSR分子标记的选择提供参考依据,利用MISA软件对杜仲转录组序列进行了微卫星查找,共获得重复单元长度为1~6碱基的29 067个微卫星序列。分析这些微卫星序列后发现,在杜仲转录组中,长度为二核苷酸的微卫星重复单元最为丰富,占43.7%;在单碱基重复和二碱基重复这两种类型中,最主要的优势重复单元分别是A/T和AG/CT;在三碱基、四碱基、五碱基重复类型中,（AAN）n、（ANAT）n、（AANAN）n分别为其对应的优势重复单元。杜仲转录组中,微卫星的频率随着微卫星总长度的增加而降低。

关键词：杜仲转录组微卫星

Bendamustine treatment of Chinese patients with relapsed indolent non-Hodgkin lymphoma: a multicenter, open-label, single-arm, phase 3 study

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Chinese Medical Journal 2021年第11期134卷 1299-1309页

作者： Yuan-Kai Shi Xiao-Nan Hong Jian-Liang Yang Wei Xu Hui-Qiang Huang Xiu-Bin Xiao Jun Zhu Dao-Bin Zhou Xiao-Hong Han Jian-Qiu Wu Ming-zhi Zhang Jie Jin Xiao-Yan Ke Wei Li De-Pei Wu shen-Miao Yang Xin Du Yong-Qian Jia Ai-Chun Liu Dai-Hong Liu zhi-xiang shen Lian-sheng Zhang Leonard James Edward Hellriegel Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing Key Laboratory of Clinical Study on Anticancer Molecular Targeted DrugsBeijing 100021China Department of Medical Oncology Fudan University Shanghai Cancer CenterShanghai 200030China Department of Hematology The First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsu 210029China Department of Medical Oncology Sun Yat-sen University Cancer CenterGuangzhouGuangdong 510060China Department of Medical Oncology 307 Hospital of Chinese People’s Liberation ArmyBeijing 100071China Department of Lymphoma Peking University Cancer Hospital&InstituteBeijing 100142China Department of Hematology Peking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Department of Oncology Jiangsu Cancer Hospital&Jiangsu Institute of CancerNanjingJiangsu 210009China Department of Oncology The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan 450052China Department of Hematology The First Affiliated Hospital of Zhejiang University College of MedicineHangzhouZhejiang 310003China Department of Hematology Peking University Third HospitalBeijing 100191China Department of Oncology Jilin University First Affiliated HospitalChangchunJilin 130021China Department of Hematology Jiangsu Institute of HematologyThe First Affiliated Hospital of Soochow UniversitySuzhouJiangsu 215006China Department of Hematology Peking University Institute of HematologyPeking University People’s HospitalBeijing 100044China Department of Hematology Guangdong General HospitalGuangzhouGuangdong 510062China Department of Hematology and Research Laboratory of Hematology West China Hospital of Sichuan UniversityChengduSichuan 610041China Department of Medical Oncology Harbin Medical University Cancer HospitalHarbinHeilongjiang 150001China Department of Hematolo

Background:Bendamustine was approved in China on May 26th,2019 by the National Medical Product Administration for the treatment of indolent B-cell non-Hodgkin lymphoma(NHL).The current study was the registration trial and the first reported evaluation of the efficacy,safety,and pharmacokinetics of bendamustine in Chinese adult patients with indolent B-cell NHL following relapse after chemotherapy and rituximab ***:This was a prospective,multicenter,open-label,single-arm,phase 3 study(NCT01596621;C18083/3076)with a 2-year follow-up *** patients received bendamustine hydrochloride 120 mg/m2 infused intravenously on days 1 and 2 of each 21-day treatment cycle for at least six planned cycles(and up to eight cycles).The primary endpoint was the overall response rate(ORR);and secondary endpoints were duration of response(DoR),progression-free survival(PFS),safety,and *** were classified according to their best overall response after initiation of *** of patients in each response category(complete response[CR],partial response[PR],stable disease,or progressive disease)were summarized along with a twosided binomial exact 95%confidence intervals(CIs)for the ***:A total of 102 patients were enrolled from 20 centers between August 6th,2012,and June 18th,*** the time of the primary analysis,the ORR was 73%(95%CI:63%–81%)per Independent Review Committee(IRC)including 19%CR and 54%*** the follow-up period,the median DoR was 16.2 months by IRC and 13.4 months by investigator assessment;the median PFS was 18.6 months and 15.3 months,*** most common non-hematologic adverse events(AEs)were gastrointestinal toxicity,pyrexia,and *** 3/4 neutropenia was reported in 76%of *** AEs were reported in 29 patients and five patients died during the *** analysis indicated that the characteristics of bendamustine and its metabolites M3 and M4 were generally consistent

关键词： Bendamustine Non-Hodgkin lymphoma B-cell malignancy Relapsed disease Clinical trial

中国武夷山脉地区野生毛桃资源收集与初步评价

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植物遗传资源学报 2017年第5期18卷 874-885页

作者：蔡志翔沈志军严娟宋娟张妤艳马瑞娟俞明亮江苏省农业科学院果树研究所/江苏省高效园艺作物遗传改良重点实验室南京210014

为明确中国武夷山脉地区野生毛桃(Prunus persica(L.) Batsch)资源分布现状,对浙江、江西、福建武夷山脉地区野生毛桃资源进行了系统的考察、收集和评价。此次考察共收集野生毛桃资源244份,来自于武夷山脉地区24个采集点。物候期评价发... 详细信息

为明确中国武夷山脉地区野生毛桃(Prunus persica(L.) Batsch)资源分布现状,对浙江、江西、福建武夷山脉地区野生毛桃资源进行了系统的考察、收集和评价。此次考察共收集野生毛桃资源244份,来自于武夷山脉地区24个采集点。物候期评价发现这些资源多态性丰富。相关性分析显示,叶芽萌动期、花期与采集点海拔、纬度呈极显著正相关。果实评价显示果实性状多态性丰富。通过2年抗涝性评价,初步筛选出53株较抗涝野生毛桃资源后代单株。净光合速率、气孔导度、蒸腾速率与淹水时间相关性分析显示淹水时间与净光合速率、气孔导度、蒸腾速率均呈极显著负相关,而净光合速率、气孔导度、蒸腾速率三者之间呈极显著正相关关系。

关键词：桃野生毛桃种质资源武夷山脉评价

Cerebral fat embolism following autologous fat injection in facial reconstruction:A case report

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World Journal of Clinical Cases 2025年第2期13卷 50-58页

作者： Xiu-Ying Chen Fa shen Chang Cheng Yu-Han Wang Wen-Chao Cheng De-zhi Yuan Wen Huang Department of Neurology Chongqing Emergency Medical CenterChongqing University Central HospitalChongqing 400000China Department of Neurology Xinqiao HospitalThe Army Medical University(Third Military Medical University)Chongqing 400000China

BACKGROUND Autologous fat injection in facial reconstruction is a common cosmetic *** cerebral fat embolism(CFE)as a complication is rare,it carries serious health *** SUMMARY We present a case of a 29-year-old female patient who developed acute CFE following facial fat filling *** the surgery,the patient experienced symptoms including headache,nausea,vomiting,and difficulty breathing,which was followed by neurological symptoms such as slurred speech and left-sided *** physical examination and auxiliary investigations,including blood tests,head and neck computed tomography angiography,and cranial magnetic resonance diffusion-weighted imaging,were performed upon *** clinical diagnosis was acute cerebral embolism following facial fat filling *** included measures to improve cerebral circulation,dehydration for intracranial pressure reduction,nutritional support,and rehabilitation therapy for left limb *** patient showed a significant improvement in symptoms after 2 weeks of *** recovered left limb muscle strength to grade 5,had clear speech,and experienced complete relief of *** Our case highlights the potential occurrence of severe complications in patients undergoing fat injection in facial *** prevent these complications,plastic surgeons should enhance their professional knowledge and skills.

关键词： Cerebral fat embolism Mechanical thrombectomy Thrombolysis Steroid therapy Symptomatic treatment Case report