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Single-cell transcriptomics reveals tumor landscape in ovarian carcinosarcoma

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第8期25卷 686-699页

作者： Junfen XU Mengyan TU department of gynecologic Oncology Women’s HospitalZhejiang University School of MedicineHangzhou 310006China Zhejiang Provincial Clinical Research Center for Obstetrics and Gynecology Hangzhou 310006China

Objective:The present study used single-cell RNA sequencing(scRNA-seq)to characterize the cellular composition of ovarian carcinosarcoma(OCS)and identify its molecular ***:scRNA-seq was performed in resected primary OCS for an in-depth analysis of tumor cells and the tumor *** staining was used for *** scRNA-seq data of OCS were compared with those of high-grade serous ovarian carcinoma(HGSOC)tumors and other OCS ***:Both malignant epithelial and malignant mesenchymal cells were observed in the OCS patient of this *** identified four epithelial cell subclusters with different biological *** them,epithelial subcluster 4 presented high levels of breast cancer type 1 susceptibility protein homolog(BRCA1)and DNA topoisomerase 2-α(TOP2A)expression and was related to drug resistance and cell *** analyzed the interaction between epithelial and mesenchymal cells and found that fibroblast growth factor(FGF)and pleiotrophin(PTN)signalings were the main pathways contributing to communication between these ***,we compared the malignant epithelial and mesenchymal cells of this OCS tumor with our previous published HGSOC scRNA-seq data and OCS *** the epithelial subclusters in the OCS tumor could be found in the HGSOC ***,the mesenchymal subcluster C14 exhibited specific expression patterns in the OCS tumor,characterized by elevated expression of cytochrome P450 family 24 subfamily A member 1(CYP24A1),collagen type XXIIIα1 chain(COL23A1),cholecystokinin(CCK),bone morphogenetic protein 7(BMP7),PTN,Wnt inhibitory factor 1(WIF1),and insulin-like growth factor 2(IGF2).Moreover,this subcluster showed distinct characteristics when compared with both another previously published OCS tumor and normal ovarian ***:This study provides the single-cell transcriptomics signature of human OCS,which constitutes a new resource for elucidating OCS diversity.

关键词： Ovarian carcinosarcoma Single-cell RNA sequencing(scRNA-seq) Tumor heterogeneity

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Advances in metal-organic framework-derived single-atom catalysts for biomedicine

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Nano Materials Science 2024年第4期6卷 396-412页

作者： Li Qiu Yingxi Lin Jun Song Chen Hong Luo Rui Wu department of Ultrasound West China Second University Hospital Sichuan University Key Laboratory of Obstetric and gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education Sichuan University School of Materials and Energy University of Electronic Science and Technology of China Interdisciplinary Materials Research Center Institute for Advanced Study Chengdu University

As a alternative for natural enzymes, nanozymes has shown enzyme-like activity and selectivity in the field of various kinds of biomedical application, which has attracted considerable research interest. Recently, single-atom catalysts(SACs) have been extensively studied due to their similar active centers, coordination environment and better stability to natural enzymes. Metal-organic frameworks(MOFs) have been demonstrated as highly promising precursors for the synthesis of various types of SACs. MOF-derived SACs can not only significantly enhance the catalytic activity, but also improve the selectivity of nanozymes due to tunable coordination environment and structure, thereby receiving widespread attention in biomedicine. This review provided an overview of the preparation strategies for MOF-derived SACs, and then detailed the latest research progress of the SACs in the biomedical field for cancer, antibacterial, antioxidation and biosensors. Finally, the challenges and potential future opportunities of MOF-derived SACs in biomedical applications are proposed.

关键词： Biomedicine MOF-Derived SAC nanozymes Catalytic mechanisms

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Diagnostic challenges and individualized treatment of cervical adenocarcinoma metastases to the breast:A case report

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World Journal of Clinical Cases 2024年第2期12卷 412-417页

作者： Allison Akers Susan Read John Feldman Casey Gooden Diana P English department of Obstetrics and Gynecology University of South FloridaTampaFL 33606United States department of gynecologic Oncology Sky Ridge Medical CenterLone TreeCO 80124United States department of Radiology University of South FloridaTampaFL 33606United States department of Pathology University of South FloridaTampaFL 33606United States

BACKGROUND Cervical cancer is a rare primary tumor resulting in metastases to the breast with few cases reported in *** metastases are associated with poor *** following case highlights the diagnostic challenges associated with metastatic cervical cancer to the breast along with individualized *** SUMMARY A 44-year-old G7P5025 with no significant past medical or surgical history presented with heavy vaginal to an outside emergency department where an exam and a pelvic magnetic resonance imaging showed a 4.5 cm heterogenous lobulated cervical mass involving upper two thirds of vagina,parametria and lymph node *** biopsies confirmed high grade adenocarcinoma with mucinous features.A positron emission tomography/computed tomography(PET/CT)did not show evidence of metastatic *** received concurrent cisplatin with external beam radiation *** up PET/CT scan three months later showed no suspicious fluorodeoxyglucose uptake in the cervix and no evidence of metastatic *** was lost to follow up for six *** was re-imaged on re-presentation and found to have widely metastatic disease including breast *** biopsy confirmed programmed death-ligand 1 positive metastatic cervical *** patient received six cycles of carboplatin and paclitaxel with *** imaging demonstrated *** continued on pembrolizumab with disease *** Metastatic cervical cancer to the breast is uncommon with nonspecific clinical findings that can make diagnosis *** history and immunohistochemical evaluation of breast lesion,and comparison to primary tumor can support diagnosis of metastatic cervical cancer to the ***,the prognosis is poor,but immunotherapy can be considered in select patients and may result in good disease response.

关键词： Cervical adenocarcinoma Breast metastases Immunotherapy Pembrolizumab Carboplatin Paclitaxel Case report

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Supportive care needs of women with gynecologic cancer and factors affecting in Turkiye: a cross sectional study

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Nursing Communications 2024年第7期8卷 1-7页

作者： Ebru Var Evşen Nazik department of Quality Adana City HospitalAdana 4522Turkiye department of Obstetrics and gynecologic Nursing Faculty of Health SciencesÇukurova UniversityAdana 01330Turkiye

Background:Identifying and managing patients'supportive care needs is an essential component of health *** cancer patients'needs are multidimensional and it is important to identify these *** study was conducted to assess supportive care needs of women with gynecologic cancer and affecting ***:This cross-sectional study consisted of 98 women with gynecologic *** data of the study was gathered using“Personal Information Form”and the“James Supportive Care Screening”.Results:The most frequently reported unmet needs of gynecologic cancer patients were emotional issues,including uncertainty(87.6%),fears(85.7%),feeling down(86.7%),worry(87.6%),loss of interest in usual activities(73.3%)and physical symptoms including fatigue/lack of energy(81.9%),weakness(81.9%),lack of appetite(76.2%).The most frequently reported social/practical problems was transportation problems(50%).The mean scores for JSCS was 29.72±*** were a statistically significant difference was found only between family type,stage of the disease,and time of diagnosis,and the total mean scores of the JSCS(pgynecological cancer mostly experience emotional and physical *** professionals working in the oncology unit should be aware of unmet *** programs and services to address the identified unmet needs should be provided.

关键词： gynecologic cancer unmet needs supportive care nursing

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An emerging antibacterial nanovaccine for enhanced chemotherapy by selectively eliminating tumor-colonizing bacteria

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Science Bulletin 2024年第16期69卷 2565-2579页

作者： Linfu Chen Zheyu Kang Jingjing Shen Rui Zhao Yu Miao Lin Zhang Zixuan Zheng Zhemin Zhang Nanhui Liu Cheng Wang Huapan Fang Jun Zhou Yudong Wang Zhuang Liu Yang Yang Qian Chen Institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China department of gynecologic Oncology The International Peace Maternity and Child Health HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200030China department of Thoracic surgery Shanghai Pulmonary HospitalTongji University School of MedicineShanghai 200433China

Fusobacterium nucleatum(***),an oral anaerobe,is prevalent in colorectal cancer and is closely related to increased cancer cell growth,metastasis,and poor treatment *** vaccines capable of selectively eliminating bacteria present a promising approach to targeting intratumor ***,thereby enhancing cancer *** adjuvants have been employed to enhance the immune response,the vaccine’s effectiveness is constrained by inadequate T-cell activation necessary for eradicating intracellular *** this study,we developed a minimalistic,biomimetic nanovaccine by integrating highly immunostimulatory adjuvant cholesterol-modified CpG oligonucleotides into the autologously derived *** *** to the traditional vaccines consisting of inactivated bacteria and Alum adjuvant,the nanovaccine coupled with bacterial membranes and adjuvants could remarkably improve multiple antigens and adjuvant co-delivery to dendritic cells,maximizing their ability to achieve effective antigen presentation and strong downstream immune ***,the nanovaccine exhibits outstanding selective prophylactic and therapeutic effects,eliminating *** without affecting intratumoral and gut *** significantly enhances chemotherapy efficacy and reduces cancer metastasis in ***-infected colorectal ***,this work represents the rational application of bacterial nanovaccine and provides a blueprint for future development in enhancing the antitumor effect against bacterial-infected cancer.

关键词： Fusobacterium nucleatum Bacterial vaccine Colorectal cancer Biomimetic nanomedicine Chemotherapy

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High Levels of Vitamin C Intake Modify Effects of Phthalates on Metabolic Dysfunction-associated Steatotic Liver Disease:A Nationally Representative Study

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Journal of Clinical and Translational Hepatology 2024年第10期12卷 892-895页

作者： Ruoqi Zhou Yuwei Wang Xinxin Liu Xia Yu Dajing Xia Yihua Wu Yu Shi State Key Laboratory for Diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina department of Toxicology of School of Public Health and department of gynecologic Oncology of Women’s Hospital Zhejiang University School of MedicineHangzhouZhejiangChina

Metabolic dysfunction-associated steatotic liver disease(MASLD)is a growing cause of chronic liver diseases worldwide,with a global prevalence of 38%.1 Patients with MASLD are at risk of developing liver-related complications,such as cirrhosis,hepatocellular carcinoma,and extra-hepatic adverse events.1 In recent years,endocrine-disrupting chemicals(EDCs)have been linked to the development and progression of MASLD.

关键词： Metabolic liver diseases

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RAD51B-AS1 promotes the malignant biological behavior of ovarian cancer through upregulation of RAD51B

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第7期25卷 581-593页

作者： Xinyi WEI Conghui WANG Sangsang TANG Qian YANG Zhangjin SHEN Jiawei ZHU Xiaodong CHENG Xinyu WANG Xing XIE Junfen XU Weiguo LU Women's Reproductive Health Laboratory of Zhejiang Province Women�s HospitalZhejiang University School of MedicineHangzhou 310006China department of gynecologic Oncology Women�s HospitalZhejiang University School of MedicineHangzhou 310006China Cancer Center Zhejiang UniversityHangzhou 310058China department of Obstetrics and Gynecology the First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Zhejiang Provincial Clinical Research Center for Obstetrics and Gynecology Hangzhou 310006China

Long non-coding RNAs(lncRNAs)play an indispensable role in the occurrence and development of ovarian cancer(OC).However,the potential involvement of lncRNAs in the progression of OC is largely *** investigate the detailed roles and mechanisms of RAD51 homolog B-antisense 1(RAD51B-AS1),a novel lncRNA in OC,reverse transcription-quantitative polymerase chain reaction(RT-qPCR)was performed to verify the expression of *** proliferation,metastasis,and apoptosis were detected using the cell counting kit-8(CCK-8),colony-formation,transwell,and flow cytometry *** xenograft models were established for the detection of *** results revealed that RAD51B-AS1 was significantly upregulated in a highly metastatic human OC cell line and OC ***51B-AS1 significantly increased the proliferation and metastasis of OC cells and enhanced their resistance to *** prediction analysis revealed that the only target gene of RAD51B-AS1 was *** gene function experiments revealed that RAD51B exerts the same biological effects as *** experiments demonstrated that the malignant biological behaviors promoted by RAD51B-AS1 overexpression were partially or completely reversed by RAD51B silencing in vitro and in ***,RAD51B-AS1 promotes the malignant biological behaviors of OC and activates the protein kinase B(Akt)/B cell lymphoma protein-2(Bcl-2)signaling pathway,and these effects may be associated with the positive regulation of RAD51B ***51B-AS1 is expected to serve as a novel molecular biomarker for the diagnosis and prediction of poor prognosis in OC,and as a potential therapeutic target for disease management.

关键词： Ovarian cancer(OC) Long non-coding RNA(LncRNA) Metastasis Anoikis

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Noteworthy impacts of COVID-19 pandemic on cancer screening:A systematic review

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Fundamental Research 2024年第3期4卷 484-494页

作者： Huilin Wang Min Yang Wei Xiong Quan Wang Bobo Zheng Yang Bai Kaiyong Zou Jibin Li Jiansong Ren Wanqing Chen Jingbo Zhai Jiang Li Office for Cancer Screening National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China department of Comprehensive Intervention National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China department of Gynecology Endocrine&Reproductive Center National Clinical Research Center for Obstetric&Gynecologic Diseases Department of Obstetrics and GynecologyPeking Union Medical College HospitalPeking Union Medical College/Chinese Academy of Medical SciencesBeijing 100005China Ambulatory surgery Center of Xijing Hospital Fourth Military Medical UniversityXi'an 710068China department of General surgery Shaanxi Provincial People’s HospitalXi'an 710068China College of Clinical Medicine Capital Medical UniversityBeijing 100069China School of Public Health Tianjin University of Traditional Chinese MedicineTianjin 301617China

The sudden onset of the coronavirus disease 2019(COVID-19)in January 2020 has affected essential global health ***-screening services that can reduce cancer mortality are strongly ***,the specific role of COVID-19 in cancer screening is not fully *** study aimed to assess the efficiency of global cancer screening programs before and during the COVID-19 pandemic and to promote potential cancer-screening strategies for the next *** searches in PubMed,Embase,and Web of Science,and manual searches were performed between January 1,2020 and March 1,*** studies that reported the number of participants who underwent cancer screening before and during the COVID-19 pandemic were *** methodological quality of the included studies was assessed using the Newcastle-Ottawa *** in cancer-screening rates were estimated using the incidence rate ratio(IRR).Fifty-five cohort studies were included in this *** screening rates of colorectal cancer using invasive screening methods(Pooled IRR=0.52,95%CI:0.42 to 0.65,p<0.01),cervical cancer(Pooled IRR=0.56,95%CI:0.47 to 0.67,p<0.01),breast cancer(Pooled IRR=0.57,95%CI:0.49 to 0.66,p<0.01)and prostate cancer(Pooled IRR=0.71,95%CI:0.56 to 0.90,p<0.01)during the COVID-19 pandemic were significantly lower than those before the COVID-19 *** screening rates of lung cancer(Pooled IRR=0.77,95%CI:0.58 to 1.03,p=0.08)and colorectal cancer using noninvasive screening methods(Pooled IRR=0.74,95%CI:0.50 to 1.09,p=0.13)were reduced with no statistical *** subgroup analyses revealed that the reduction in cancer-screening rates varied across *** results suggest that the COVID-19 pandemic has had a noteworthy impact on colorectal,cervical,breast,and prostate cancer *** innovative cancer-screening technologies is important to promote the efficiency of cancer-screening services in the post-COVID-19 era and prepare fo

关键词： Cancer screening COVID-19 pandemic Cohort study Incidence rate ratio Meta-analysis

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Long-term survival outcomes and immune checkpoint inhibitor retreatment in patients with advanced cervical cancer treated with camrelizumab plus apatinib in the phase II CLAP study

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Cancer Communications 2024年第6期44卷 654-669页

作者： Chunyan Lan Huaiwu Lu Lin Zhou Kunlun Liao Junxiu Liu Zhiwen Xie Haixi Liang Guorong Zou Ting Yang Qin Xu Xin Huang department of gynecologic Oncology Sun Yat-sen University Cancer CentreGuangzhouGuangdongP.R.China State Key Laboratory of Oncology in South China Collaborative Innovation Centre for Cancer MedicineGuangzhouGuangdongP.R.China department of gynecologic Oncology Sun Yat-sen Memorial HospitalGuangzhouGuangdongP.R.China Clinical Research Daytime Treatment Center Sun Yat-sen University Cancer CentreGuangzhouGuangdongP.R.China department of Obstetrics and Gynecology The First Affiliated Hospital of Sun Yat-sen UniversityGuangzhouGuangdongP.R.China Cancer Institute of Panyu Panyu Central HospitalGuangzhouGuangdongP.R.China Medical Affairs Jiangsu Hengrui Pharmaceuticals Co.LtdShanghaiP.R.China department of Gynecology Clinical Oncology School of Fujian Medical UniversityFujian Cancer HospitalFuzhouFujianP.R.China

Background:Camrelizumab plus apatinib have demonstrated robust antitumor activity and safety in patients with advanced cervical cancer(CLAP study;NCT03816553).We herein present the updated long-term results of the CLAP study and explore potential biomarkers for *** outcomes of patients who underwent immune checkpoint inhibitor(ICI)retreatment were also ***:In this phase II trial,eligible patients received camrelizumab 200 mg intravenously every two weeks and apatinib 250 mg orally once daily in 4-week cycles for up to two *** was continued until disease progression,unacceptable toxicity,or withdrawal of ***:Between January 21 and August 1,2019,a total of 45 patients were *** were analyzed as of July 31,2023,representing>48 months since treatment initiation for all ***(20.0%)patients completed the 2-year *** median duration of response(DOR)was 16.6 months,and 45.0%of patients achieved a DOR of≥24 *** 12-month progression-free survival(PFS)rate was 40.7%(95%confidence interval[CI],25.2-55.6),with an 18-month PFS rate of 37.8%(95%CI,22.7-52.8).The median overall survival(OS)was 20.3 months(95%CI,9.3-36.9),and the 24-month OS rate was 47.8%(95%CI,31.7-62.3).Age>50 years,programmed death-ligand 1(PD-L1)combined positive score(CPS)≥1(versus[vs.]<1),CPS≥10(vs.<1),high tumor mutational burden,and PIK3CA mutations were associated with improved PFS(hazard ratio[HR]<1)and longer OS(HR<1).Eight patients who initially responded in the CLAP trial but later experienced disease progression were retreated with *** them,2(25.0%)achieved a partial response,while 5(62.5%)had stable ***,four patients who received retreatment with ICIs survived for more than *** new safety signals were identified in the present ***:Long-term survival follow-up data demonstrated that camrelizumab plus apatinib has robust,sustained,and durable efficacy in patients with advanced cervical ca

关键词： Cemrelizumab apatinib programmed cell death-1(PD-1) programmed death-ligand 1(PD-L1) tumor mutational burden(TMB) PIK3CA advanced cervical cancer

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Laparoscopic sacrocolpopexy for treatment of pelvic organ prolapse,a prospective observation cohort with follow-up time over 7 years

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Chinese Medical Journal 2024年第12期137卷 1477-1479页

作者： Jianbin Guo Xiaochen Song Shuo Liang Yuan Wang Yang Ye Qianqian Gao Juan Chen Lan Zhu department of Obstetrics and Gynecology Peking Union Medical College HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeNational Clinical Research Center for Obstetric&Gynecologic DiseasesBeijing 100730China

To the Editor:Pelvic organ prolapse(POP)is a common pelvic floor disorder in older women and is responsible for a significant decrease in health-related quality of *** the increased longevity of women,POP is becoming a major health concern.[1]Laparoscopic sacrocolpopexy(LSC)is a common mesh-based surgical approach for severe prolapse,and a high cure rate and few complications have been reported.[2]To our knowledge,the long-term durability,complications,and pelvic floor symptoms after LSC have not been fully evaluated in detail.A few studies assessed the 5-year outcome after LSC,but these reports were limited by their retrospective design,uneven follow-up time,or inconsistent outcome assessment.

关键词： prolapse pelvic Laparoscopic

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