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Establishment of a cholangiocarcinoma risk evaluation model based on mucin expression levels

World Journal of Gastrointestinal Oncology 2024年第4期16卷 1344-1360页

作者： Chun-Yuan Yang Li-Mei Guo Yang Li Guang-Xi Wang Xiao-Wei Tang Qiu-Lu Zhang Ling-Fu Zhang Jian-Yuan Luo Department of pathology Institute of Systems BiomedicineSchool of Basic Medical Sciences Peking UniversityPeking University Third HospitalPeking University Health Science CenterBeijing 100191China Department of General Surgery Peking University Third HospitalBeijing 100191China Department of Medical Genetics Department of Biochemistry and BiophysicsSchool of Basic Medical Sciences Peking UniversityPeking University Health Science CenterBeijing 100191China

BACKGROUND Cholangiocarcinoma(CCA)is a highly malignant cancer,characterized by frequent mucin ***1 has been identified as a critical oncogene in the progression of ***,the comprehensive understanding of how the mucin family influences CCA progression and prognosis is still *** To investigate the functions of mucins on the progression of CCA and to establish a risk evaluation formula for stratifying CCA *** Single-cell RNA sequencing data from 14 CCA samples were employed for elucidating the roles of mucins,complemented by bioinformatic ***-quent validations were conducted through spatial transcriptomics and *** construction of a risk evaluation model utilized the least absolute shrinkage and selection operator regression algorithm,which was further confirmed by independent cohorts and diverse data *** CCA tumor cells with elevated levels of MUC1 and MUC4 showed activated nucleotide metabolic pathways and increased ***5AC-high cells were found to promote CCA progression through WNT ***5B-high cells exhibited robust cellular oxidation activities,leading to resistance against antitumoral ***13-high cells were observed to secret chemokines,recruiting and transforming macrophages into the M2-polarized state,thereby suppressing antitumor ***16-high cells were found to promote tumor progression through interleukin-1/nuclear factor kappa-light-chain-enhancer of activated B cells signaling upon interaction with *** the expression levels of these mucins,a risk factor evaluation formula for CCA was developed and validated across multiple *** samples with higher risk factors exhibited stronger metastatic potential,chemotherapy resistance,and poorer *** Our study elucidates the functional mechanisms through which mucins contribute to CCA development,and provides tools for risk stratification in CCA.

关键词： Mucin Cholangiocarcinoma Single-cell RNA sequencing Spatial transcriptomics Prognosis

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Harnessing antimicrobial peptide-coupled photosensitizer to combat drug-resistant biofilm infections through enhanced photodynamic therapy

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Acta Pharmaceutica Sinica B 2024年第4期14卷 1759-1771页

作者： Duoyang Fan Xiaohui Liu Yueming Ren Ziheng Luo Yanbing Li Jie Dong Seraphine VWegner Fei Chen Wenbin Zeng Xiangya School of Pharmaceutical Sciences Central South UniversityChangsha 410013China Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases Central South UniversityChangsha 410013China Sir William Dunn School of pathology University of OxfordOxford OX13REUK Xiangya Hospital of Central South university Changsha 410013China institute of Physiological Chemistry and Pathobiochemistry University of MünsterMünster 48149Germany

Bacterial biofilm-associated infection was one of the most serious threats to human health. However, effective drugs for drug-resistance bacteria or biofilms remain rarely reported. Here, we propose an innovative strategy to develop a multifunctional antimicrobial agent with broad-spectrum antibacterial activity by coupling photosensitizers (PSs) with antimicrobial peptides (AMPs). This strategy capitalizes on the ability of PSs to generate reactive oxygen species (ROS) and the membrane-targeting property of AMPs (KRWWKWIRW, a peptide screened by an artificial neural network), synergistically enhancing the antimicrobial activity. In addition, unlike conventional aggregation-caused quenching (ACQ) photosensitizers, aggregation-induced emission (AIE) PSs show stronger fluorescence emission in the aggregated state to help visualize the antibacterial mechanism. In vitro antibacterial experiments demonstrated the excellent killing effects of the developed agent against both Gram-positive (G^(+)) and Gram-negative (G^(–)) bacteria. The bacterial-aggregations induced ability enhanced the photoactivatable antibacterial activity against G^(–) bacteria. Notably, it exhibited a significant effect on destroying MRSA biofilms. Moreover, it also showed remarkable efficacy in treating wound infections in mice in vivo. This multifunctional antimicrobial agent holds significant potential in addressing the challenges posed by bacterial biofilm-associated infections and drug-resistant bacteria.

关键词： Photodynamic therapy Antimicrobial peptides Multidrug-resistant bacteria Aggregation-induced emission Anti-biofilm

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A novel saliva-based miRNA profile to diagnose and predict oral cancer

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International Journal of Oral Science 2024年第1期16卷 97-109页

作者： Jaikrishna Balakittnen Chameera Ekanayake Weeramange Daniel F.Wallace Pascal H.G.Duijf Alexandre S.Cristino Gunter Hartel Roberto A.Barrero Touraj Taheri Liz Kenny Sarju Vasani Martin Batstone Omar Breik Chamindie Punyadeera Saliva&Liquid Biopsy Translational Laboratory Griffith Institute for Drug DiscoveryGriffith UniversityNathanQLDAustralia Department of Medical Laboratory Sciences Faculty of Allied Health SciencesUniversity of JaffnaJaffnaSri Lanka Menzies Health institute Griffith UniversityGold CoastQLDAustralia School of Biomedical Sciences Faculty of HealthQueensland University of TechnologyBrisbaneQLDAustralia Centre for Cancer Biology Clinical and Health SciencesUniversity of South Australia&SA PathologyAdelaideSAAustralia institute of Clinical Medicine Faculty of MedicineUniversity of OsloOsloNorway Department of Medical Genetics Oslo University HospitalOsloNorway Griffith institute for Drug Discovery Griffith UniversityNathanQLDAustralia QIMR Berghofer Medical Research institute Statistics UnitBrisbaneQLDAustralia School of Public Health The University of QueenslandBrisbaneQLDAustralia School of Nursing Queensland University of TechnologyBrisbaneQLDAustralia eResearch Research InfrastructureAcademic DivisionQueensland University of TechnologyBrisbaneQLDAustralia Department of Anatomical pathology Royal Brisbane and Women’s HospitalHerstonQLDAustralia Faculty of Medicine The University of QueenslandBrisbaneQLDAustralia Royal Brisbane and Women’s Hospital Cancer Care ServicesHerstonQLDAustralia Department of Otolaryngology Royal Brisbane and Women’s HospitalHerstonQLDAustralia Department of Oral and Maxillofacial Surgery Royal Brisbane and Women’s HospitalHerstonQLDAustralia

Oral cancer (OC) is the most common form of head and neck cancer. Despite the high incidence and unfavourable patient outcomes, currently, there are no biomarkers for the early detection of OC. This study aims to discover, develop, and validate a novel saliva-based microRNA signature for early diagnosis and prediction of OC risk in oral potentially malignant disorders (OPMD).The Cancer Genome Atlas (TCGA) miRNA sequencing data and small RNA sequencing data of saliva samples were used to discover differentially expressed miRNAs. Identified miRNAs were validated in saliva samples of OC (n=50), OPMD (n=52), and controls(n=60) using quantitative real-time PCR. Eight differentially expressed miRNAs (miR-7-5p, miR-10b-5p, miR-182-5p, miR-215-5p,miR-431-5p, miR-486-3p, miR-3614-5p, and miR-4707-3p) were identified in the discovery phase and were validated. The efficiency of our eight-miRNA signature to discriminate OC and controls was:area under curve (AUC):0.954, sensitivity:86%, specificity:90%,positive predictive value (PPV):87.8%and negative predictive value (NPV):88.5%whereas between OC and OPMD was:AUC:0.911,sensitivity:90%, specificity:82.7%, PPV:74.2%and NPV:89.6%. We have developed a risk probability score to predict the presence or risk of OC in OPMD patients. We established a salivary miRNA signature that can aid in diagnosing and predicting OC,revolutionising the management of patients with OPMD. Together, our results shed new light on the management of OC by salivary miRNAs to the clinical utility of using miRNAs derived from saliva samples.

关键词： specificity salivary diagnosis

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Inflammatory myofibroblastic tumor from molecular diagnostics to current treatment

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Oncology Research 2024年第7期32卷 1141-1162页

作者： PAULINA CHMIEL ALEKSANDRA SŁOWIKOWSKA ŁUKASZ BANASZEK ANNA SZUMERA-CIEĆKIEWICZ BARTŁOMIEJ SZOSTAKOWSKI MATEUSZ J.SPAŁEK TOMASZŚWITAJ PIOTR RUTKOWSKI ANNA M.CZARNECKA Department of Soft Tissue/Bone Sarcoma and Melanoma Maria Sklodowska-Curie National Research Institute of OncologyWarsaw02-781Poland Faculty of Medicine Medical University of WarsawWarsaw02-091Poland Department of pathology Maria Sklodowska Curie National Research Institute of OncologyWarsaw02-781Poland Department of Radiotherapy Maria Sklodowska-Curie National Research Institute of OncologyWarsaw02-781Poland

Inﬂammatory myoﬁbroblastic tumor(IMT)is a rare neoplasm with intermediate malignancy characterized by a propensity for recurrence but a low metastatic *** challenges arise from the diverse pathological presentation,variable symptomatology,and lack of different imaging ***,IMT is identiﬁed by the fusion of the anaplastic lymphoma kinase(ALK)gene,which is present in approximately 70%of cases,with various fusion partners,including ran-binding protein 2(RANBP2),which allows conﬁrmation of the *** surgery is the preferred approach for localized tumors,the optimal long-term treatment for advanced or metastatic disease is difﬁcult to deﬁ*** therapies are crucial for achieving sustained response to treatment within the context of genetic alteration in ***,an ALK tyrosine kinase inhibitor(TKI),was ofﬁcially approved by the US Food and Drug Administration(FDA)in 2020 to treat IMT with ALK ***,most patients face resistance and disease progression,requiring consideration of sequential *** radiotherapy with targeted therapy appears to be beneﬁcial in this *** promising results have also been achieved with immunotherapy,indicating potential for combined therapy ***,deﬁned recommendations are still *** review analyzes the available research on IMT,including genetic disorders and their impact on the course of the disease,data on the latest targeted therapy regimens and the possibility of developing immunotherapy in this indication,as well as summarizing general knowledge about prognostic and predictive factors,also in terms of resistance to systemic therapy.

关键词： Inﬂammatory myoﬁbroblastic tumor(IMT) Epithelioid inﬂammatory myoﬁbroblastic sarcoma Tyrosine kinase inhibitors(TKI) Anaplastic lymphoma kinase(ALK)

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Genetic Variability and Phenotypic Correlations Study among Grain Quality Traits and Mineral Elements Concentrations in Colored and Non-Colored Rice (Oryza sativa L.)

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Phyton-International Journal of Experimental Botany 2024年第7期93卷 1733-1748页

作者： Adel A.Rezk Mohamed M.El-Malky Heba I.Mohamed Hossam S.El-Beltagi Agricultural Biotechnology Department College of Agricultural and Food ScienceKing Faisal UniversityAl-Ahsa31982Saudi Arabia Plant pathology Research institute Agriculture Research CenterGiza12619Egypt Rice Research and Training Center Field Crop Research InstituteAgriculture Research Center33717Egypt Biological and Geological Sciences Department Faculty of EducationAin Shams UniversityCairo11511Egypt Biochemistry Department Faculty of AgricultureCairo UniversityGiza12613Egypt

Twenty-four rice genotypes were examined to assess genetic variability,heritability,and correlations for seven-grain quality traits,eight nutritional elements,and *** revealed signiﬁcant differences for the quality traits *** every trait under study,the phenotypic coefﬁcient of variation was higher than the correspon-dence genotypic coefﬁcient of *** in a broad sense varied from 29.75%for grain length to 98.31%for the elongation *** percentage recovery had a highly signiﬁcant positive correlation with milling and head rice ***,milling percentage had a highly positive correlation with head rice *** amylose percentage,all the genotypes belonged to low amylose except the Hassawi-1 variety,which had intermediate amylose *** nutrition contents of magnesium(Mg),sodium(Na),potas-sium(K),calcium(Ca),copper(Cu),manganese(Mn),zinc(Zn),iron(Fe),or protein percentage gave different variations for 24 rice genotypes under all the nutritional *** the 24 genotypes,ten rice genotypes–HighNutrient-1,HighNutrient-2,HighNutrient-9,HighNutrient-8,HighNutrient-3,Hassawi-2,HighNutrient-7,HighNutrient-6,Hassawi-1,and HighNutrient-4–had the highest heist value for all nutritional and protein con-tents,and could be used as a donor to improving new *** was a positive and signiﬁcant correlation between magnesium Mg,K,Zn and ***,K had a positive correlation with zinc Zn,Fe,and protein *** analysis was divided into two groups:theﬁrst group included all genotypes rich in nutri-ents,while the remaining genotypes with low nutritional content were included in the second group.

关键词： Amylose cluster analysis genotypes grain quality mineral nutrition rice

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The Silk roads: phylogeography of Central Asian dice snakes (Serpentes: Natricidae) shaped by rivers in deserts and mountain valleys

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Current Zoology 2024年第2期70卷 150-162页

作者： Daniel Jablonski Konrad Mebert Rafaqat Masroor Evgeniy Simonov Oleg Kukushkin Timur Abduraupov Sylvia Hofmann Department of Zoology Comenius University in BratislavaBratislavaSlovakia Global Biology BirrSwitzerland Pakistan Museum of Natural History ShakarparianIslamabadPakistan Severtsov institute of Ecology and Evolution Russian Academy of SciencesMoscowRussia T.I.Vyazemski Karadag Scientific Station-Nature Reserve—Branch of A.0.Kovalevsky institute of Biology of the Southern Seas TheodosiaCrimea Zoological institute of the RAS Saint PetersbourgRussia institute of Zoology Academy of Sciences of the Republic of UzbekistanYunusabadTashkentUzbekistan Museum Koenig Bonn LIBLeibniz Institute for the Analysis of Biodiversity ChangeBonnGermany UFZ-Helmholtz Centre for Environmental Research Department of Conservation BiologyPermoserstrasse 1504318 LeipzigGermany

Influenced by rapid changes in climate and landscape features since the Miocene,widely distributed species provide suitable models to study the environmental impact on their evolution and current genetic *** dice snake Natrix tessellata,widely distributed in the Western Palearctic is one such *** aimed to resolve a detailed phylogeography of *** with a focus on the Central Asian clade with 4 and the Anatolia clade with 3 mitochondrial lineages,trace their origin,and correlate the environmental changes that affected their distribution through *** expected time of divergence of both clades began at 3.7 Mya in the Pliocene,reaching lineage differentiation approximately 1 million years *** genetic diversity in both clades is rich,suggesting different ancestral areas,glacial refugia,demographic changes,and colonization *** Caspian lineage is the most widespread lineage in Central Asia,distributed around the Caspian Sea and reaching the foothills of the Hindu Kush Mountains in Afghanistan,and Eastern European lowlands in the *** distribution is limited by deserts,moun-tains,and cold steppe ***,Kazakhstan and Uzbekistan lineages followed the Amu Darya and the Syr Darya water systems in Central Asia,with ranges delimited by the large Kyzylkum and Karakum *** the western side,there are several lineages within the Anatolia clade that converged in the central part of the peninsula with 2 being endemic to Western *** distribution of both main clades was affected by expansion from their Pleistocene glacial refugia around the Caspian Sea and in the valleys of Central Asia as well as by environmental changes,mostly through aridification.

关键词： biogeography colonization Eurasia genetic diversity mitochondrial DNA Paratethys refugia water snakes.

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Cell softness reveals tumorigenic potential via ITGB8/AKT/glycolysis signaling in a mice model of orthotopic bladder cancer

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Chinese Medical Journal 2024年第2期137卷 209-221页

作者： Shi Qiu Yaqi Qiu Linghui Deng Ling Nie Liming Ge Xiaonan Zheng Di Jin Kun Jin Xianghong Zhou Xingyang Su Boyu Cai Jiakun Li Xiang Tu Lina Gong Liangren Liu Zhenhua Liu Yige Bao Jianzhong Ai Tianhai Lin Lu Yang Qiang Wei Department of Urology Institute of UrologyNational Clinical Research Center for Geriatrics and Center of Biomedical Big DataWest China Hospital of Sichuan UniversityChengduSichuan 610041China Department of Molecular Oncology Institute of Oncology Research(IOR)Oncology Institute of Southern Switzerland(IOSI)Bellinzona 6500Switzerland Department of Science and Drug Technology University of TurinTurinItaly National Clinical Research Center of Geriatrics The Center of Gerontology and GeriatricsWest China HospitalSichuan UniversityChengduSichuan 610000China Department of pathology West China HospitalSichuan UniversityChengduSichuan 610041China Department of Pharmaceutics and Bioengineering School of Chemical EngineeringSichuan UniversityChengduSichuan 610000China

Background:Bladder cancer,characterized by a high potential of tumor recurrence,has high lifelong monitoring and treatment *** date,tumor cells with intrinsic softness have been identified to function as cancer stem cells in several cancer ***,the existence of soft tumor cells in bladder tumors remains ***,our study aimed to develop a microbarrier microfluidic chip to efficiently isolate deformable tumor cells from distinct types of bladder cancer ***:The stiffness of bladder cancer cells was determined by atomic force microscopy(AFM).The modified microfluidic chip was utilized to separate soft cells,and the 3D Matrigel culture system was to maintain the softness of tumor *** patterns of integrinβ8(ITGB8),protein kinase B(AKT),and mammalian target of rapamycin(mTOR)were determined by Western *** immunostaining was conducted to examine the interaction between F-actin and tripartite motif containing 59(TRIM59).The stem-cell-like characteristics of soft cells were explored by colony formation assay and in vivo studies upon xenografted tumor ***:Using our newly designed microfluidic approach,we identified a small fraction of soft tumor cells in bladder cancer *** importantly,the existence of soft tumor cells was confirmed in clinical human bladder cancer specimens,in which the number of soft tumor cells was associated with tumor ***,we demonstrated that the biomechanical stimuli arising from 3D Matrigel activated the F-actin/ITGB8/TRIM59/AKT/mTOR/glycolysis pathways to enhance the softness and tumorigenic capacity of tumor ***,we detected a remarkable up-regulation in ITGB8,TRIM59,and phospho-AKT in clinical bladder recurrent tumors compared with their non-recurrent ***:The ITGB8/TRIM59/AKT/mTOR/glycolysis axis plays a crucial role in modulating tumor softness and ***,the soft tumor cells become more sensitive to chemother

关键词： Soft tumor cells 3D Matrigel Stemness Non-muscle invasive bladder neoplasms Microfluidic analytical techniques

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Chronic stress as an emerging risk factor for the development and progression of glioma

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Chinese Medical Journal 2024年第4期137卷 394-407页

作者： Lan Yi Xiang Lin Xiaoling She Wei Gao Minghua Wu institute of Cytology and Genetics The Hengyang Key Laboratory of Cellular Stress BiologyHunan Province Cooperative Innovation Center for Molecular Target New Drug StudyHengyang Medical SchoolUniversity of South ChinaHengyangHunan 421001China Department of pathology The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education Cancer Research InstituteCentral South UniversityChangshaHunan 410008China NHC Key Laboratory of Carcinogenesis Xiangya HospitalCentral South UniversityChangshaHunan 410008China

Gliomas tend to have a poor prognosis and are the most common primary malignant tumors of the central nervous *** with patients with other cancers,glioma patients often suffer from increased levels of psychological stress,such as anxiety and *** stress(CS)is thought to impact glioma ***,because of the complex mechanisms underlying CS and variability in individual tolerance,the role of CS in glioma remains *** review suggests a new proposal to redivide the stress system into two *** activity is dominant ***-signaling molecules produced by the neuroendocrine system are dominant *** discuss the underlying molecular mechanisms by which CS impacts *** pharmacological treatments are also summarized from the therapeutic perspective of CS.

关键词： Chronic stress Glioma Microbiota-gut-brain axis Neuroendocrine system Stress system Neural circuit

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A single degenerated primer significantly improves COX1 barcoding performance in soil nematode community profiling

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Soil Ecology Letters 2024年第2期6卷 31-44页

作者： Yincai Ren Dorota L. Porazinska Quanhui Ma Shuhan Liu Hongmei Li Xue Qing Department of Plant pathology Nanjing Agricultural UniversityNanjing210095China Department of Entomology and Nematology University of FloridaGainesvilleFL32611USA institute of Grassland Science Key Laboratory of Vegetation Ecology of the Ministry of EducationJilin Songnen Grassland Ecosystem National Observation and Research StationNortheast Normal UniversityChangchun130024China

A new COX1 primer for soil nematode metabarcoding was designed,and this primer outperforms other commonly used COX1 primer pairs in species recovery and quantity of PCR products.•The lack of reference database is the main reason that led to the low species recovery in COX1 metabarcoding.•We expanded current NCBI database by adding 51 newly generated COX1 reference *** nematodes play important roles in soil ecosystems and often serve as bioindicators of soil *** identification of soil nematodes is often difficult due to their limited diagnostic characters and high phenotypic *** barcoding and metabarcoding techniques are promising but lack universal primers,especially for mitochondrial COX1 *** this study a degenerated COX1 forward primer COIFGED was *** primer pair(COIFGED/JB5GED)outperforms other four commonly used COX1 primer pairs in species recovery and quantity of polymerase chain reaction(PCR)*** metabarcoding analysis,the reads obtained from the new primer pair had the highest sequencing saturation threshold and amplicon sequence variant(ASV)diversity in comparison to other COX1 as well as 18S rRNA *** annotation of ASVs suggested the new primer pair initially recovered 9 and 6 out of 25 genera from mock communities,respectively,outperformed other COX1 primers,but underperformed the widely used 18S NF1/18Sr2b primers(16 out of 25 genera).By supplementing the COX1 database with our reference sequences,we recovered an additional 6 mock community species bringing the tally closer to that obtained with 18S *** summary,our newly designed COX1 primers significantly improved species recovery and thus can be supplementary or alternative to the conventional 18S metabarcoding.

关键词： degenerated primers DNA metabarcoding mitochondrial cytochrome oxidase c subunit I gene phylogeny ribosomal RNA gene soil nematodes

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Pharmacological methods for ovarian function and fertility preservation in women with cancer:A literature review

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Oncology Research 2024年第8期32卷 1309-1322页

作者： ANA S.CVETANOVIC MATTEO LAMBERTINI KEVIN PUNIE GORANA G.MATOVINA BRKO NIKOLA D.ZIVKOVIC MAJA J.POPOVIC MARIJANA M.MILOVIC KOVACEVIC LAZAR S.POPOVIC Department for Oncology Medical Faculty NisUniversity of NisNis18000Serbia Clinic of Oncology University Clinical Centre NisNis18000Serbia Department of Internal Medicine and Medical Sciences(DiMI) School of MedicineUniversity of GenovaGenova16100Italy Department of Medical Oncology U.O.C Clinica di Oncologia MedicaIRCCS Ospedale Policlinico San MartinoGenova16100Italy Department of General Medical Oncology and Multidisciplinary Breast Centre Leuven Cancer InstituteUniversity Hospitals LeuvenLeuven3001Belgium Department of Medical Oncology Oncology Institute of VojvodinaSremska Kamenica21208Serbia Department for pathology Medical Faculty NisUniversity of NisNis18000Serbia Center for pathology University Clinical Centre NisNis18000Serbia Faculty of Medicine University of Novi SadNovi Sad21000Serbia Department of Medical Oncology Institute of Oncology and Radiology SerbiaBelgrade11000Serbia

Oncofertility is an extremely signiﬁcant topic that is increasingly being discussed owing to increased evidence indicating that fertility preservation does not affect the treatment outcomes of patients with cancer but signiﬁcantly contributes to preserving life *** effect of chemotherapy can range from minimal effects to complete ovarian *** data are available on the effects of monoclonal antibodies and targeted therapies on the ovaries and *** ovarian suppression by administering a gonadotropin-releasing hormone agonist(GnRHa)during chemotherapy decreases the gonadotoxic effect of chemotherapy,thereby diminishing the chance of developing premature ovarian insufﬁciency(POI).At present,the concomitant administration of GnRH analogs during chemotherapy is the only accepted pharmacological method for preserving ovarian ***,most randomized studies on the effectiveness of luteinizing hormone-releasing hormone agonists during chemotherapy in preventing POI have been conducted in women with breast cancer,with a considerably small number of studies on patients with hematological ***,most randomized controlled trials on breast cancer have revealed a decrease in treatment-induced POI risk,regardless of the hormone receptor *** addition,studies on hematological malignancies have yielded negative results;nevertheless,theﬁndings must be interpreted with caution owing to numerous *** guidelines from the American Society of Clinical Oncology and ESMO Clinical Practice Guidelines recommend sperm,oocyte,and embryo cryopreservation as a standard practice and only offering GnRHa to patients when proven fertility preservation methods are not *** this manuscript,we present a comprehensive literature overview on the application of ovarian suppression with GnRHa during chemotherapy in patients with cancer by addressing preclinical and clinical data,as well as future perspectives in thisﬁeld

关键词： Gonadotropin-releasing hormone agonists(GnRHa) Fertility preservation Premature ovarian insufficiency(POI) Premenopausal patients

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