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Neoadjuvant nivolumab with or without platinum-doublet chemotherapy based on PD-L1 expression in resectable NSCLC(CTONG1804):a multicenter open-label phase II study

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Signal Transduction and Targeted Therapy 2024年第1期9卷 249-258页

作者： Si-yang Liu Song Dong Xue-Ning yang Ri-Qiang Liao Ben-Yuan Jiang qun Wang Xiao-Song Ben Gui-Bin Qiao Jun-Tao Lin Hong-Hong yan Li-Xu yan Qiang Nie Hai-yan Tu Bin-Chao Wang Jin-Ji yang Qing Zhou Hong-Rui Li Ke Liu Wendy Wu Si-yang Maggie Liu Wen-Zhao Zhong Yi-Long Wu Guangdong Lung Cancer Institute Guangdong Provincial Key Laboratory of Translational Medicine in Lung CancerGuangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Department of Thoracic Surgery Zhongshan HospitalFudan UniversityShanghaiChina Department of Thoracic Surgery Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Department of Pathology Guangdong Provincial People’s Hospital(Guangdong Academy of Medical Sciences)Southern Medical UniversityGuangzhouChina Fujian Key Laboratory of Advanced Technology for Cancer Screening and Early Diagnosis FuzhouChina Berry Oncology Corporation FuzhouChina Chinese Thoracic Oncology Group(CTONG) GuangzhouChina Department of Hematology The First Affiliated HospitalJinan UniversityGuangzhouChina

This prospective multicenter phase II study evaluated the clinical efficacy of neoadjuvant nivolumab-exclusive(N)and nivolumab–chemotherapy(N/C)combinations based on PD-L1 *** patients exhibited resectable clinical stage IIA–IIIB(AJCC 8th edition)NSCLC without EGFR/ALK *** received either mono-nivolumab(N)or nivolumab+nabpaclitaxel+carboplatin(N/C)for three cycles based on PD-L1 *** primary endpoint was the major pathological response(MPR).Key secondary endpoints included the pathologic complete response(pCR),objective response rate(ORR),and event-free survival(EFS).Baseline PD-L1 expression and perioperative circulating tumor DNA(ctDNA)status were correlated with pCR and ***-two patients were enrolled,with 46 undergoing *** MPR was 50.0%(26/52),with 25.0%(13/52)achieving pCR,and 16.7%and 66.7%for patients with PD-L1≥50%in N and N/C groups,***(25.0%)patients experienced grade 3 or higher immune-related adverse events during neoadjuvant *** with post-neoadjuvant ctDNA negativity was more likely to have pCR(39.1%)compared with those remained positive(6.7%,odds ratio=6.14,95%CI 0.84-Inf,p=0.077).With a median follow-up of 25.1 months,the 18-month EFS rate was 64.8%(95%CI 51.9–81.0%).For patients with ctDNA–***+,the 18m-EFS rate was 93.8%vs 47.3%(HR,0.15;95%CI 0.04,0.94;p=0.005).Immunochemotherapy may serve as an optimal neoadjuvant treatment even for patients with PD-L1 expression≥50%.ctDNA negativity following neoadjuvant treatment and surgery could help identify superior pathological and survival benefits,which requires further confirmation in a prospective clinical trial(NCT04015778).

关键词： chemotherapy NSCLC treatment

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SMXL5 attenuates strigolactone signaling in Arabidopsis thaliana by inhibiting SMXL7 degradation

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Molecular Plant 2024年第4期17卷 631-647页

作者： Qingtian Li Haiyang Yu Wenwen Chang Sunhyun Chang Michael Guzman Lionel Faure Eva-Sophie Wallner Heqin yan Thomas Greb Lei Wang Ruifeng yao David C.Nelson Department of Botany and Plant Sciences University of CaliforniaRiversideRiversideCA 2521USA Yazhouwan National Laboratory Sanya 572025China Hainan Seed Industry Laboratory Sanya 57205China State Key Laboratory of Chemo/Biosensing and Chemometrics Hunan Provincial Key Laboratory of Plant Functional Genomics and Developmental RegulationCollege of BiologyHunan UniversityChangsha 410082China Key Laboratory of Seed Innovation Center for Agricultural Resources ResearchInstitute of Genetics and Developmental BiologyChinese Academy of SciencesShijiazhuangHebei 050021China University of Chinese Academy of Sciences Beijing 10004China School of the Sciences Biology DivisionTexas Woman’s UniversityDentonTX 76204USA Centre for Organismal Studies(COS) Heidelberg University6120 HeidelbergGermany

Hormone-activated proteolysis is a recurring theme of plant hormone signaling *** strigolactone signaling,the enzyme receptor DWARF14(D14)and an F-box protein,MORE AXILLARY GROWTH2(MAX2),mark SUPPRESSOR OF MAX21-LIKE(SMXL)family proteins SMXL6,SMXL7,and SMXL8 for rapid *** of these transcriptional corepressors initiates downstream growth *** homologous proteins SMXL3,SMXL4,and SMXL5,however,are resistant to MAX2-mediated *** discovered that the smxl4 smxl5 mutant has enhanced responses to ***5 attenuates strigolactone signaling by interfering with AtD14-SMXL7 ***5 interacts with AtD14 and SMXL7,providing two possible ways to inhibit SMXL7 ***5 function is partially dependent on an ethylene-responsive-element binding-factor-associated amphiphilic repression(EAR)motif,which typically mediates interactions with the TOPLESS family of transcriptional ***,we found that loss of the EAR motif reduces SMXL5-SMXL7 interactions and the attenuation of strigolactone signaling by *** hypothesize that integration of SMXL5 into heteromeric SMXL complexes reduces the susceptibility of SMXL6/7/8 proteins to strigolactone-activated degradation and that the EAR motif promotes the formation or stability of these *** mechanism may provide a way to spatially or temporally fine-tune strigolactone signaling through the regulation of SMXL5 expression or translation.

关键词： Arabidopsis typically inhibiting

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Clinical feasibility of laparoscopic left lateral segment liver resection with magnetic anchor technique:The first clinical study from China

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1336-1343页

作者： Miao-Miao Zhang Ji-Gang Bai Dong Zhang Jie Tao Zhi-Min Geng Zhuo-qun Li Yu-Xiang Ren Yu-HanZhang Yi Lyu Xiao-Peng yan Department of Hepatobiliary Surgery The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Shaanxi Provincial Key Laboratory of Magnetic Medicine The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Zonglian College Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Qide College Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina

BACKGROUND Magnetic anchor technique(MAT)has been applied in laparoscopic cholecystectomy and laparoscopic appendectomy,but has not been reported in laparoscopic partial *** To evaluate the feasibility of the MAT in laparoscopic left lateral segment liver *** Retrospective analysis was conducted on the clinical data of eight patients who underwent laparoscopic left lateral segment liver resection assisted by MAT in our department from July 2020 to November *** Y-Z magnetic anchor devices(Y-Z MADs)was independently designed and developed by the author of this paper,which consists of the anchor magnet and magnetic grasping *** time,intraoperative blood loss,intraoperative accidents,operator experience,postoperative incision pain score,postoperative complications,and other indicators were evaluated and *** All eight patients underwent a MAT-assisted laparoscopic left lateral segment liver resection,including three patients undertaking conventional 5-port and five patients having a transumbilical single-port *** mean operation time was 138±34.32 min(range 95-185 min)and the mean intraoperative blood loss was 123±88.60 mL(range 20-300 mL).No adverse events occurred during the *** Y-Z MADs showed good workability and maneuverability in both tissue and organ *** particular,the operators did not experience either a“chopstick”or“sword-fight”effect in the single-port laparoscopic *** The results show that the MAT is safe and feasible for laparoscopic left lateral segment liver resection,especially,exhibits its unique abettance for transumbilical single-port laparoscopic left lateral segment liver resection.

关键词： Magnetosurgery/magnetic surgery Magnetic anchor technique Laparoscopic hepatectomy Transumbilical singleport laparoscopy Magnet

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Screening for metastasis-related genes in mouse melanoma cells through sequential tail vein injection

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Biophysics Reports 2024年第1期10卷 15-21页

作者： Qinggang Hao Rui Dong Weiyu Bai Dong Chang Xinyi yao Yingru Zhang Huangying Xu Huiyan Li Xiang Kui Feng Wang yan Wang Chengqin Wang Yujie Lei yan Chen Junling Shen Lei Sang yan Bai Jianwei Sun Center for Life Sciences Yunnan Key Laboratory of Cell Metabolism and Diseases State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan School of Life Sciences Yunnan University Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan Province Yan'an Hospital Affiliated to Kunming Medical University Shandong Provincial Key Laboratory of Animal Resistance Biology Collaborative Innovation Center of Cell Biology in Universities of Shandong Center for Cell Structure and Function Institute of Biomedical Science College of Life Sciences Shandong Normal University Department of Pathology The Second Affiliated Hospital of Kunming Medical University State Key Laboratory of Bioactive Molecules and Druggability Assessment Institute of Genomic Medicine College of Pharmacy Jinan University Department of Pathology School of Basic Medicine Qingdao University Department of Thoracic Surgery Yunnan Cancer Hospital & The Third Affiliated Hospital of Kunming Medical University & Yunnan Cancer Center

Tumor metastasis, responsible for approximately 90% of cancer-associated mortality, remains poorly understood. Here in this study, we employed a melanoma lung metastasis model to screen for metastasis-related genes. By sequential tail vein injection of mouse melanoma B16F10 cells and the subsequently derived cells from lung metastasis into BALB/c mice, we successfully obtained highly metastatic B16F15 cells after five rounds of in vivo screening. RNA-sequencing analysis of B16F15 and B16F10 cells revealed a number of differentially expressed genes, some of these genes have previously been associated with tumor metastasis while others are novel discoveries. The identification of these metastasis-related genes not only improves our understanding of the metastasis mechanisms, but also provides potential diagnostic biomarkers and therapeutic targets for metastatic melanoma.

关键词： Melanoma Lung metastasis model Gene screening Tail vein injection

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Ambient electrosynthesis of urea from carbon dioxide and nitrate over Mo_(2)C nanosheet

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Chinese Chemical Letters 2024年第8期35卷 319-323页

作者： Yue Zhang Xiaoya Fan Xun He Tingyu yan Yongchao yao Dongdong Zheng Jingxiang Zhao Qinghai Cai Qian Liu Luming Li Wei Chu Shengjun Sun Xuping Sun College of Chemistry and Chemical Engineering and Key Laboratory of Photonic and Electronic Bandgap MaterialsMinistry of EducationHarbin Normal UniversityHarbin 150025China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 610054China Institute for Advanced Study Chengdu UniversityChengdu 610106China College of Chemistry Chemical Engineering and Materials ScienceShandong Normal UniversityJi’nan 250014China

Electrocatalytic synthesis of urea through C-N bond formation,converting carbon dioxide(CO_(2))and ni-trate(NO_(3)^(-)),presents a promising,less energy-intensive alternative to industrial urea production *** this communication,we report the application of Mo_(2)C nanosheets-decorated carbon sheets(Mo_(2)C/C)as a highly efficient electrocatalyst for facilitating C-N coupling in ambient urea *** CO_(2)-saturated 0.2 mol/L Na_(2)SO_(4)solution containing 0.05 mol/L NO_(3)^(-),the Mo_(2)C/C catalyst achieves an impres-sive urea yield of 579.13μg h^(-1)mg^(-1)with high Faradaic efficiency of 44.80%at-0.5 V versus the reversible hydrogen *** theoretical calculations reveal that the multiple Mo active sites enhance the formation of^(∗)CO and^(∗)NH_(2)intermediates and facilitate their C-N *** research propels the use of Mo_(2)C-based electrodes in electrocatalysis and accentuates the capabilities of binary metal-based catalysts in C-N coupling reactions.

关键词： Mo_(2)C Multiple active sites C-N coupling Electrocatalysis Urea synthesis Density functional theory calculation

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Analysis and comparison of retinal vascular parameters under different glucose metabolic status based on deep learning

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International Journal of Ophthalmology(English edition) 2024年第9期17卷 1581-1591页

作者： yan Jiang Di Gong Xiao-Hong Chen Lin yang Jing-Jing Xu Qi-Jie Wei Bin-Bin Chen Yong-Jiang Cai Wen-qun Xi Zhe Zhang Departments of Laboratory Medicine the Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009Zhejiang ProvinceChina Shenzhen Eye Hospital Jinan UniversityShenzhen 518040Guangdong ProvinceChina Center of Health Management Peking University Shenzhen HospitalShenzhen 518036Guangdong ProvinceChina Visionary Intelligence Ltd. Beijing 100080China Ophthalmology Center the Second Affiliated HospitalZhejiang University School of MedicineHangzhou 310009Zhejiang ProvinceChina

AIM:To develop a deep learning-based model for automatic retinal vascular segmentation,analyzing and comparing parameters under diverse glucose metabolic status(normal,prediabetes,diabetes)and to assess the potential of artificial intelligence(AI)in image segmentation and retinal vascular parameters for predicting prediabetes and ***:Retinal fundus photos from 200 normal individuals,200 prediabetic patients,and 200 diabetic patients(600 eyes in total)were *** U-Net network served as the foundational architecture for retinal arteryvein *** automatic segmentation and evaluation system for retinal vascular parameters was trained,encompassing 26 ***:Significant differences were found in retinal vascular parameters across normal,prediabetes,and diabetes groups,including artery diameter(P=0.008),fractal dimension(P=0.000),vein curvature(P=0.003),C-zone artery branching vessel count(P=0.049),C-zone vein branching vessel count(P=0.041),artery branching angle(P=0.005),vein branching angle(P=0.001),artery angle asymmetry degree(P=0.003),vessel length density(P=0.000),and vessel area density(P=0.000),totaling 10 ***:The deep learning-based model facilitates retinal vascular parameter identification and quantification,revealing significant *** parameters exhibit potential as biomarkers for prediabetes and diabetes.

关键词： deep learning retinal vascular parameters segmentation model diabetes prediabetes

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Association of Mosaic Chromosomal Alterations and Genetic Factors with the Risk of Cirrhosis

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Journal of Clinical and Translational Hepatology 2024年第6期12卷 562-570页

作者： Xinyuan Ge Lu Zhang Maojie Liu Xiao Wang Xin Xu Yuqian yan Chan Tian Juan yang yang Ding Chengxiao Yu Jing Lu Longfeng Jiang Qiang Wang qun Zhang Ci Song Department of Epidemiology China International Cooperation Center on Environment and Human HealthCenter for Global HealthSchool of Public HealthNanjing Medical UniversityNanjingJiangsuChina The Dumont-UCLA Transplant Center Division of Liver and Pancreas TransplantationDepartment of SurgeryDavid Geffen School of Medicine at UCLALos AngelesCAUSA Department of Health Promotion Center Jiangsu Province Hospital and Nanjing Medical University First Affiliated HospitalNanjingJiangsuChina Department of Infectious Disease The First Affiliated Hospital of Nanjing Medical UniversityNanjingJiangsuChina Department of Clinical Science Intervention and Technology(CLINTEC)Karolinska InstitutetStockholmSweden Changzhou Medical Center Nanjing Medical UniversityNanjingJiangsuChina Research Units of Cohort Study on Cardiovascular Diseases and Cancers Chinese Academy of Medical SciencesBeijingChina Collaborative Innovation Center for Cancer Personalized Medicine Nanjing Medical UniversityNanjingJiangsuChina

Background and Aims:Age-related mosaic chromosomal alterations(mCAs)detected from genotyping of blood-de-rived DNA are structural somatic variants that indicate clonal *** study aimed to investigate whether mCAs contribute to the risk of cirrhosis and modify the effect of a polygenic risk score(PRS)on cirrhosis risk ***:mCA call sets of individuals with European ancestry were obtained from the UK *** PRS was constructed based on 12 susceptible single-nucleotide poly-morphisms for *** proportional hazard models were applied to evaluate the associations between mCAs and cirrhosis ***:Among 448,645 individuals with a median follow-up of 12.5 years,we identified 2,681 cas-es of cirrhosis,1,775 cases of compensated cirrhosis,and 1,706 cases of decompensated *** to non-carriers,individuals with copy-neutral loss of heterozygosity mCAs had a significantly increased risk of cirrhosis(hazard ratio(HR)1.42,95%confidence interval(CI)1.12-1.81).This risk was higher in patients with expanded cell fractions of mCAs(cell fractions≥10%*** fractions<10%),especially for the risk of decompensated cirrhosis(HR 2.03[95%CI 1.09-3.78]vs.1.14[0.80-1.64]).In comparison to non-carriers of mCAs with low genetic risk,individuals with expanded copy-neutral loss of heterozygosity and high genetic risk showed the highest cirrhosis risk(HR5.39[95%CI 2.41-12.07]).Conclusions:The presence of mCAs is associated with increased susceptibility to cirrhosis risk and could be combined with PRS for personalized cirrhosis risk stratification.

关键词： UK Biobank Cirrhosis Mosaic chromosomal alterations Polygenic risk score Genetic susceptibility Interaction effect

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北魏均田制与土地兼并问题再探

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史学集刊 2024年第5期 97-107页

作者：严耀中上海师范大学人文学院上海200234

北魏均田制包含着同一等级内之均平和等级之间分田不均的两面性,这体现着以权力为背景的土地之身份占有权,也是土地被多层次兼有在制度上之反映。其结果之一是导致大土地合法占有的同时,在一定程度上抑制了土地兼并。谴责土地兼并,在历... 详细信息

北魏均田制包含着同一等级内之均平和等级之间分田不均的两面性,这体现着以权力为背景的土地之身份占有权,也是土地被多层次兼有在制度上之反映。其结果之一是导致大土地合法占有的同时,在一定程度上抑制了土地兼并。谴责土地兼并,在历史上一向被视为政治正确,也令均田制往往获得赞扬。其实,均田制的推行,一方面容纳了以权力为后盾的直接或间接占有大土地现象在中国的延续,另一方面也阻碍了通过生产要素流转而使资源得到优化配置,并加重了行政操作成本。因此,均田制是一个效费比很低的制度。由此亦可发现其中一些所谓的“地主”往往只是一种权位所附带的身份。

关键词：北魏均田制土地兼并

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Pharmacological effects of volatile oil from chrysanthemum and its associated mechanisms:a review

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Acupuncture and Herbal Medicine 2024年第1期4卷 79-91页

作者： Jing Zhang Weiqiang Su Nina Filipczak Ying Luo Anping Wan yao He Shijuan yan Xiang Li Ming yang Key Laboratory of Modern Preparation of TCM Ministry of EducationJiangxi University of Chinese MedicineNanchangChina Center for Pharmaceutical Biotechnology and Nanomedicine Northeastern UniversityBostonUSA National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine Jiangxi University of Chinese MedicineJiangxi University of Chinese MedicineNanchangChina

Volatile oil(VO)is the main chemical component of common plants in Chrysanthemum genus,and it possesses several beneficial pharmacological properties,including bacteriostatic,antioxidant,anti-tumor,anti-inflammatory,antipyretic,analgesic,antiosteoporotic,antihypertensive,sedative,and hypnotic *** date,research on the effective components of Chrysanthemum extract has mainly focused on flavonoids,whereas limited data are available on the chemical constituents and underlying mechanisms of action of the VO *** this review,the pharmacological activities and mechanisms of VO are comprehensively reviewed with the aim of providing a foundation for further development for medicinal,aromatherapy,and diet therapy applications.

关键词： Action mechanisms Chrysanthemum Pharmacological activity Volatile oil

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Neuropathological characteristics of abnormal white matter functional signaling in adolescents with major depression

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World Journal of Psychiatry 2024年第2期14卷 276-286页

作者： Xin-Lin Huang Ju Gao Yong-Ming Wang Feng Zhu Jing Qin Qian-Nan yao Xiao-Bin Zhang Hong-yan Sun Imaging and Nuclear Medicine Jiamusi UniversityJiamusi 154000Heilongjiang ProvinceChina Department of Psychiatry The Affiliated Guangji Hospital of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina School of Biology&Basic Medical Sciences Medical College of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina Department of Radiology Shanghai Anting HospitalShanghai 20000China Department of Radiology The Affiliated Guangji Hospital of Soochow UniversitySuzhou 215137Jiangsu ProvinceChina

BACKGROUND Major depression disorder(MDD)constitutes a significant mental health *** surveys indicate that the lifetime prevalence of depression in adolescents is much higher than that in adults,with a corresponding increased risk of *** studying brain dysfunction associated with MDD in adolescents,research on brain white matter(WM)is *** researchers even mistakenly regard the signals generated by the WM as noise *** fact,studies have shown that WM exhibits similar blood oxygen level-dependent signal *** alterations in WM signals and their relationship with disease severity in adolescents with MDD remain *** To explore potential abnormalities in WM functional signals in adolescents with *** This study involved 48 adolescent patients with MDD and 31 healthy controls(HC).All participants were assessed using the Patient Health Questionnaire-9 Scale and the mini international neuropsychiatric interview(MINI)suicide *** addition,a Siemens Skyra 3.0T magnetic resonance scanner was used to obtain the subjects'image *** DPABI software was utilized to calculate the WM signal of the fractional amplitude of low frequency fluctuations(fALFF)and regional homogeneity,followed by a two-sample t-test between the MDD and HC *** component analysis(ICA)was also used to evaluate the WM functional ***’s correlation was performed to assess the relationship between statistical test results and clinical *** Compared to HC,individuals with MDD demonstrated a decrease in the fALFF of WM in the corpus callosum body,left posterior limb of the internal capsule,right superior corona radiata,and bilateral posterior corona radiata[P<0.001,family-wise error(FWE)voxel correction].The regional homogeneity of WM increased in the right posterior limb of internal capsule and left superior corona radiata,and decreased in the left superior longitudinal fasciculus(P<0.001,FWE voxel corre

关键词： White matter Regional homogeneity The fractional amplitude of low-frequency fluctuations Independent component analysis Adolescents Major depression disorders

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