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Transperineal laser ablation of the prostate as a treatment for benign prostatic hyperplasia and prostate cancer: The results of a Delphi consensus project

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Asian Journal of Urology 2024年第2期11卷 271-279页

作者： Andrea Cocci Marta Pezzoli Fernando Bianco Franco Blefari Pierluigi Bove Francois Cornud Gaetano De Rienzo Paolo Destefanis Danilo Di Trapani Alessandro Giacobbe Luca Giovanessi Antonino Laganà Giovanni Lughezzani Guglielmo Manenti Gianluca Muto Gianluigi Patelli Novello Pinzi Stefano Regusci giorgio i.russo Juan i.M.Salamanca Matteo Salvi Luigi Silvestri Fabrizio Verweij Eric Walser Riccardo GBertolo Valerio iacovelli Alessandro Bertaccini Debora Marchiori Hugo Davila Pasquale Ditonno Paolo Gontero Gennaro iapicca Theo M De Reijke Vito Ricapito Pierluca Pellegrini Andrea Minervini Sergio Serni Francesco Sessa Department of Urology Careggi HospitalUniversity of FlorenceFlorenceItaly Urology Section University of FlorenceFlorenceItaly Urological Research Network MiamiFLUSA Urology Section Prato HospitalPratoItaly Torvergata Oncoscience Research Centre of Excellence TORDepartment of Experimental MedicineUniversity of Rome Tor VergataRomeItaly Department of Urology San Carlo di Nancy HospitalRomeItaly Department of Radiology Hôpital CochinParis Descartes UniversityParisFrance Urology and Andrology Unit ii Department of Emergency and Organ TransplantationUniversity of BariBariItaly Unit of Urology Cittàdella Salute e della Scienza HospitalUniversity of TurinTurinItaly Urology Unit Buccheri La Ferla Fatebenefratelli HospitalPalermoItaly Department of Urology Humanitas Gradenigo HospitalTurinItaly Urology Unit Surgical DepartmentFondazione Poliambulanza Istituto OspedalieroBresciaItaly Departement of Urology “S.Giovanni Evangelista”HospitalTivoliItaly Humanitas Clinical and Research CentereiRCCS Department of UrologyRozzanoItaly Department of Biomedical Sciences Humanitas UniversityPieve EmanueleItaly Department of Biomedicine and Prevention University of Rome“Tor Vergata”RomeItaly Department of Diagnostic imaging and interventional Radiology University of Rome“Tor Vergata”RomeItaly Department of interventional Radiology Pesenti-Fenaroli Hospital-ASST Bergamo EstAlzano LombardoItaly Department of Urology University of SienaSienaItaly Swiss international Prostate Center GenevaSwitzerland Clinique Générale Beaulieu GenevaSwitzerland Department of Urology University of CataniaItaly Department of Urology Puerta de Hierro-Majadahonda University HospitalMadridSpain Lyx institute of Urology Universidad Francisco de VitoriaMadridSpain Department of Medico-Surgical Sciences and Biotechnologies Sapienza University of RomeFaculty of Pharmacy and MedicineUrology Unit ICOTLatinaItaly Department of Urology European Institute of Oncology(IEO)IRCCSMilanItaly Department of Radiology D

Objective: To evaluate transperineal laser ablation (TPLA) with Echolaser® (Echolaser® TPLA, Elesta S.p.A., Calenzano, italy) as a treatment for benign prostatic hyperplasia (BPH) and prostate cancer (PCa) using the Delphi consensus ***: italian and international experts on BPH and PCa participated in a collaborative consensus project. During two rounds, they expressed their opinions on Echolaser® TPLA for the treatment of BPH and PCa answering online questionnaires on indications, methodology, and potential complications of this technology. Level of agreement or disagreement to reach consensus was set at 75%. if the consensus was not achieved, questions were modified after each round. A final round was performed during an online meeting, in which results were discussed and ***: Thirty-two out of forty invited experts participated and consensus was reached on all topics. Agreement was achieved on recommending Echolaser® TPLA as a treatment of BPH in patients with ample range of prostate volume, from 80 mL (80%), comorbidities (100%), antiplatelet or anticoagulant treatment (96%), indwelling catheter (77%), and strong will of preserving ejaculatory function (100%). Majority of respondents agreed that Echolaser® TPLA is a potential option for the treatment of localized PCa (78%) and recommended it for low-risk PCa (90%). During the final round, experts concluded that it can be used for intermediate-risk PCa and it should be proposed as an effective alternative to radical prostatectomy for patients with strong will of avoiding urinary incontinence and sexual dysfunction. Almost all participants agreed that the transperineal approach of this organ-sparing technique is safer than transrectal and transurethral approaches typical of other techniques (97% of agreement among experts). Pre-procedural assessment, technical aspects, post-procedural catheterization, pharmacological therapy, and expected outcomes were discussed, leading t

关键词： Transperineal laser ablation Prostatecancer Benignprostatic hyperplasia Delphi consensus

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intraplaque injections of hyaluronic acid for the treatment of stable-phase Peyronie’s disease:a retrospective single-center experience

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Asian Journal of Andrology 2024年第3期26卷 268-271页

作者： Simone Cilio Roberto La Rocca Giuseppe Celentano Claudio Marino Massimiliano Creta Gianluigi Califano Celeste Manfredi giorgio ivan russo Afonso Morgado Marco Falcone Marco Capece YAU Working Group Sexual and Reproductive Health Department of Neurosciences Reproductive Sciences and OdontostomatologyUrology UnitUniversity of Naples“Federico II”Naples 80131Italy Urology Unit Department of WomenChild and General and Specialized Surgery“Luigi Vanvitelli”UniversityNaples 80131Italy Urology Section Department of SurgeryUniversityof CataniaCatania 95131Italy Department of Urology Centro Hospitalar Universitário São JoãoPorto 4200-319Portugal Urology Clinic-A.O.U.“Cittàdella Salute edella Scienza”-Molinette Hospital University of TurinTurin 10100Italy 不详

Peyronie’s disease(PD)is a condition of penile connective tissue affecting up to 10%of men *** the complexity ofits management,nonsurgical treatments,such as intraplaque injections,are gaining *** current literature shows dataon the efficacy of intraplaque injections of hyaluronic acid(HA)mainly in acute-phase ***,data on injections of HA instable-phase PD are *** for this retrospective study were derived from a prospectively maintained database of privatepatients presenting at a private medical practice affiliated to the University of Naples“Federico ii”(Naples,italy)with stable-phasePD between January 2020 and March *** underwent a standard protocol of three injections,each administered at atwo-week *** the intervals,patients performed vacuum device therapy,penile stretching,and modeling *** compiled the Peyronie’s Disease Questionnaire(PDQ)and Global Assessment of Peyronie’s Disease(GAPD)at baselineand 2 weeks after the third injection.A penile Doppler ultrasound was performed 2 weeks after the last injection to record thefinal ***,we recruited 62 patients with stable-phase PD and a mean(±standard deviation[s.d.])curvature of52.7°(±9.7°).After 6 weeks,eight(12.9%)patients did not experience any curvature *** remaining 54 patientshad a final mean(±s.d.)curvature of 40.3°(±9.1°)with Pimprovement inall PDQ domains(all P≤0.01),and 50(80.6%)patients reported subjective improvement of the penile curvature according to *** conclusion,we demonstrated that after three injections of HA administered according to the adopted protocol,patientswith stable-phase PD could experience significant improvements in penile curvature,and physical and psychological consequencesof the disease without significantly relevant side effects.

关键词： hyaluronic acid intraplaque injection Peyronie’s disease stable-phase therapy

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A mutation in the ZNF687 gene that is responsible for the severe form of Paget's disease of bone causes severely altered bone remodeling and promotes hepatocellular carcinoma onset in a knock-in mouse model

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Bone Research 2023年第1期11卷 201-214页

作者： Sharon russo Federica Scotto di Carlo Antonio Maurizi giorgio Fortunato Anna Teti Danilo Licastro Carmine Settembre Tommaso Mello Fernando Gianfrancesco institute of Genetics and Biophysics“Adriano Buzzati-Traverso” National Research Council of ItalyNaplesItaly Department of Environmental Biological and Pharmaceutical Sciences and Technologies(DiSTABiF)University of Campania Luigi VanvitelliCasertaItaly Department of Biotechnological and Applied Clinical Sciences University of L’AquilaL’AquilaItaly AREA Science Park PadricianoTriesteItaly Telethon institute of Genetics and Medicine(TiGEM) PozzuoliItaly Gastroenterology Unit Department of Experimental and Clinical Biochemical Sciences“Mario Serio”University of FlorenceFlorenceItaly iRCCS iNM Neuromed PozzilliISItaly

Paget’s disease(PDB)is a late-onset bone remodeling disorder with a broad spectrum of symptoms and *** of the most aggressive forms is caused by the P937R mutation in the ZNF687 *** the genetic involvement of ZNF687 in PDB has been extensively studied,the molecular mechanisms underlying this association remain ***,we describe the first Zfp687 knock-in mouse model and demonstrate that the mutation recapitulates the PDB phenotype,resulting in severely altered bone *** microcomputed tomography analysis,we observed that 8-month-old mutant mice showed a mainly osteolytic phase,with a significant decrease in the trabecular bone volume affecting the femurs and the ***,osteoblast activity was deregulated,producing disorganized ***,this phenotype became pervasive in 16-month-old mice,where osteoblast function overtook bone resorption,as highlighted by the presence of woven bone in histological analyses,consistent with the PDB ***,we detected osteophytes and intervertebral disc degeneration,outlining for the first time the link between osteoarthritis and PDB in a PDB mouse *** sequencing of wild-type and Zfp687 knockout RAW264.7 cells identified a set of genes involved in osteoclastogenesis potentially regulated by Zfp687,e.g.,Tspan7,Cpe,Vegfc,and Ggt1,confirming its role in this ***,in this mouse model,the mutation was also associated with a high penetrance of hepatocellular ***,this study established an essential role of Zfp687 in the regulation of bone remodeling,offering the potential to therapeutically treat PDB,and underlines the oncogenic potential of ZNF687.

关键词： RAW264.7 Paget remodeling

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New fecal test for non-invasive Helicobacter pylori detection:A diagnostic accuracy study

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World Journal of Gastroenterology 2018年第27期24卷 3021-3029页

作者： Andrea iannone Floriana giorgio Francesco russo Giuseppe Riezzo Bruna Girardi Maria Pricci Suetonia C Palmer Michele Barone Mariabeatrice Principi Giovanni FM Strippoli Alfredo Di Leo Enzo ierardi Section of Gastroenterology Department of Emergency and Organ TransplantationUniversity of BariBari 70124Italy Department of Emergency and Organ Transplantation University of BariBari 70124Italy THD SpA Correggio(Reggio Emilia)42015Italy National institute of Gastroenterology “S De Bellis”Research HospitalCastellanaGrotte(Bari)70013Italy Department of Medicine University of Otago ChristchurchChristchurch 8011New Zealand Diaverum Academy Lund 22229Sweden Diaverum Medical Scientific Office Lund 22229Sweden Sydney School of Public Health University of SydneySydney NSW-2000Australia Section of Nephrology Department of Emergency and Organ TransplantationUniversity of BariBari 70124Italy

AiM To assess the diagnostic accuracy of a new fecal test for detecting Helicobacter pylori(H. pylori), using ^(13)Curea breath test as the reference standard, and explore bacterial antibiotic resistance. METHODS We conducted a prospective two-center diagnostic test accuracy study. We enrolled consecutive people≥ 18 years without previous diagnosis of H. pylori infection, referred for dyspepsia between February and October 2017. At enrollment, all participants underwent 13 C-urea breath test. Participants aged over 50 years were scheduled to undergo upper endoscopy with histology. Participants collected stool samples 1-3 d after enrollment for a new fecal investigation(THD fecal test). The detection of bacterial 23 S rRNA subunit gene indicated H. pylori infection. We also used the index diagnostic test to examine mutations conferring resistance to clarithromycin and levofloxacin. independent investigators analyzed index test and reference test standard results blinded to the other test findings. We estimated sensitivity, specificity, positive(PPV) and negative(NPV) predictive value, diagnostic accuracy, positive and negative likelihood ratio(LR), together with 95% confidence intervals(Ci).RESULTS We enrolled 294 consecutive participants(age: Median 37.0 years, iQR: 29.0-46.0 years; men: 39.8%). Ninetyfive(32.3%) participants had a positive ^(13)C-urea breath test. Twenty-three(7.8%) participants underwent upper endoscopy with histology, with a full concordance between ^(13)C-urea breath test and histology in detecting H. pylori infection. Four(1.4%) out of the 294 participants withdrew from the study after the enrollment visit and did not undergo THD fecal testing. in the 290 participants who completed the study, the THD fecal test sensitivity was 90.2%(Ci: 84.2%-96.3%), specificity 98.5%(Ci:96.8%-100%), PPV 96.5%(Ci: 92.6%-100%), NPV 95.6%(Ci: 92.8%-98.4%), accuracy 95.9%(Ci: 93.6%-98.2%), positive LR 59.5(Ci: 19.3-183.4), negative LR 0.10(Ci: 0.05-0.18). Out of 8

关键词： Helicobacter pylori Fecal test Feces Stools 23S rRNA Molecular analysis Antibiotic resistance Diagnostic accuracy

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Monitoring recovery by physical therapists using the FiM scale during rehabilitation programs: An inter-rater and intra-rater reproducibility study

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Health 2013年第6期5卷 99-104页

作者： Tommasina russo giorgio Felzani Mario Giunta Cristina Di Mascio Carmine Marini Casa di Cura “San Raffaele” di Sulmona L’Aquila Italy Department of Medicina interna e Sanità Pubblica University of L’Aquila L’Aquila Italy

Our aim was to evaluate the reproducibility of the Functional independence Measure (FiM) scale when assessed by physical therapists in the routine setting of a Rehabilitation Hospital. We included a consecutive series of patients with spinal cord or cerebral lesions. Each of the 50 selected patients was evaluated by two of the 5 experienced physical therapists participating in the study. The degree of inter-rater and intrarater agreement was measured by a weighted k statistic, k for perfect agreement, and k for the agreement with tolerance. The weighted k index for inter-rater agreement on the FiM score was in the almost perfect range (k 0.87;95% Ci = 0.79 - 0.95), but a 20-point tolerance was necessary to reach a k value of 0.81 (95% Ci = 0.66 - 0.95). Agreement was substantial or almost perfect for most subscales, but the k index with 1-point tolerance reached the almost perfect rating for comprehension only. For intra-rater agreement, weighted k index was in the almost perfect range for the FiM score and for all subscales;kappa index reached the almost perfect range with a 4-point tolerance for FiM score and with 1-point of tolerance for all subscales except interpersonal relations. FiM is useful to monitor patient improvement during rehabilitation treatment, mostly when assessed by the same physical therapist.

关键词： Reproducibility Rehabilitation Functional independence Measure

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Combining DCE-MRi and 1H-MRS spectroscopy by <i>distribution free</i>approach results in a high performance marker: initial study in breast patients

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Journal of Biomedical Science and Engineering 2013年第3期6卷 357-364页

作者： Stefania Nicolosi giorgio russo ildebrando D’Angelo Giuseppe Vicari Maria Carla Gilardi Giovanni Borasi CNR-iBFM Segrate Milano Italy CNR-iBFM UOS Cefalù Italy LATO Cefalù Italy San Raffaele G. Giglio Cefalù Italy Università Milano Bicocca Milano Italy

Magnetic Resonance imaging has gained popularity in breast cancer diagnosis since the introduction of contrast media, and recent developments in MRi have demonstrated a new potential use in diagnosis. indeed, the application of in vivo spectroscopy to mammary tissue has revealed that the spectral appearance of choline could be a marker of malignancy, but early diagnosis and unambiguous breast cancer characterization could benefit by a standardized protocol for the simultaneous use of Dynamic Contrast Enhancement MRi and Magnetic Resonance Spectroscopy and combined interpretation of associated markers. A total of 29 female patients took part in the study. The combined protocol was performed on a General Electric Signa HDtx 1.5 Tesla, and the DCE data analysis was performed through an evaluation of the ROi signal intensity over time. The MRS data analysis evaluated choline concentration and the signal to noise ratio of the choline peak. Sensitivity, specificity and accuracy were assessed by the Receiver Operating Characteristic methodology for Dynamic Contrast Enhancement, Magnetic Resonance Spectroscopy and their linear combination. We performed a linear combination of Dynamic Contrast Enhancement MRi and 1H-Magnetic Resonance Spectroscopy by distribution free approach to obtain a high level diagnostic index. Combining the results of the two diagnostic tests has resulted in a new, very effective, diagnostic index able to discriminate between patients with and without malignant disease.

关键词： image Enhancement Magnetic Resonance Spectroscopy Receiver Operating Characteristic Breast Cancer

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“Babysitting”procedures in proximal nerve trunk injuries:two case reports and a review

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Plastic and Aesthetic Research 2015年第1期2卷 208-212页

作者： Michele R.Colonna Antonio russo Mariarosaria Galeano Gabriele Delia giorgio E.Pajardi Francesco Stagno d’Alcontres Department of Experimental Specialistic Medical and Surgical Sciences and Odontostomatology University of Messina98121 MessinaItaly Department Hand Surgery Multimedica Hospital20122 MilanItaly Department of Surgical Specialties University Hospital of Messina98125 MessinaItaly Department of Clinical and Community Sciences University of Milan20122 MilanItaly

One of the most important goals in treating proximal nerve injuries is to maintain the function of distal effectors during axonal regeneration.“Babysitting”,that is,connecting the injured nerve to a healthy trunk provides a bypass for distal neural regeneration or *** avoids degeneration of sensory and motor terminations,with minimal donor nerve *** present a technique where a nerve graft is used between ulnar and median nerve through two end-to-side sutures in the distal third of the forearm,in two different cases of proximal ulnar nerve *** patients were young manual workers,the former suffered a total nerve disruption proximal to the elbow following a car accident and the latter suffered a perineurial scar from a high voltage injury at the proximal third of the *** proximal injury was grafted with a sural nerve in the former and treated by neurolysis in the *** were graded by the Highet-Zachary scale for both sensory and motor *** outcomes of our series were compared to six other case reports in the literature(including median nerves)treated with this *** clinical and experimental data show that babysitting effectively protects distal effectors.

关键词： Denervation end‑to‑side neural repair Martin Gruber anastomosis nerve graft sensory recovery

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Boceprevir or telaprevir in hepatitis C virus chronic infection:The italian real life experience

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World Journal of Hepatology 2016年第22期8卷 949-956页

作者： Antonio Ascione Luigi Elio Adinolfi Pietro Amoroso Angelo Andriulli Orlando Armignacco Tiziana Ascione Sergio Babudieri giorgio Barbarini Michele Brogna Francesco Cesario Vincenzo Citro Ernesto Claar Raffaele Cozzolongo Giuseppe D’Adamo Emilio D’Amico Pellegrino Dattolo Massimo De Luca Vincenzo De Maria Massimo De Siena Giuseppe De Vita Antonio Di Giacomo Rosanna De Marco giorgio De Stefano Giulio De Stefano Sebastiano Di Salvo Raffaele Di Sarno Nunzia Farella Laura Felicioni Basilio Fimiani Luca Fontanella Giuseppe Foti Caterina Furlan Francesca Giancotti Giancarlo Giolitto Tiziana Gravina Barbara Guerrera Roberto Gulminetti Angelo iacobellis Michele imparato Angelo iodice Vincenzo iovinella Antonio izzi Alfonso Liberti Pietro Leo Gennaro Lettieri ileana Luppino Aldo Marrone Ettore Mazzoni Vincenzo Messina Roberto Monarca Vincenzo Narciso Lorenzo Nosotti Adriano Maria Pellicelli Alessandro Perrella Guido Piai Antonio Picardi Paola Pierri Grazia Pietromatera Francesco Resta Luca Rinaldi Mario Romano Angelo Rossini Maurizio Russello Grazia russo Rodolfo Sacco Vincenzo Sangiovanni Antonio Schiano Antonio Sciambra Gaetano Scifo Filomena Simeone Annarita Sullo Pierluigi Tarquini Paolo Tundo Alfredo Vallone Depart-ment of Medicine Center for Liver Diseases "Buon Consiglio" -Fatebenefratelli Hospital internal Medicine Unit Second University of Naples Vi Division of infectious Diseases Cotugno Hospital AORN "Ospedali dei Colli" Division of Gastro- enterology Casa Sollievo Sofferenza Hospital IRCCS Division of infectious Diseases Belcolle Hospital iX Division of infectious Diseases Cotugno Hospital AORN "Ospedali dei Colli" Clinical of infectious Disease University of Sassari infectious Disease iRCCS San Matteo Division of infectious Diseases and Liver Unit "G. Iazzolino" Hospital Division of infectious Diseases "Annunziata" Hospital Depart-ment of internal Medicine Umberto I Hospital internal Medicine Ospedale Evangelico Villa Betania Division of Gastroenterology IRCCS "S.de Bellis" Hospital internal Medicine Unit Pescara-Penne Hospital Gastroenterology Unit Marcianise Hospital Liver Unit AORN Cardarelli Liver Unit Policlinico "Mater Domini" Service of Medical Day Hospital "Rummo" Hospital internal Medicine Regina Margherita Hospital Division of Gastroenterology "Annunziata" Hospital infectious Disease Matera Hospital First Division of infectious Diseases Cotugno Hospital AORN "Ospedali dei Colli" Division of infectious Diseases AO Melacrino- Bianchi-Morelli infectious and Tropical Disease Policlinico Umberto I Division of infectious Disease Maria SS Addolorata Hospital Division of infectious Diseases S. Anna and S. Sebastiano Hospital Outpatients Service for Liver Diseases "Loreto Crispi" Hospital V Division of infectious Diseases Cotugno Hospital AORN "Ospedali dei Colli" Department of Medical Surgical Neurological Geriatric and Metabolic Sciences Second Univer-sity of Naples Liver Unit Policlinico Casilino Medicine and Health Unit for Prisoners Belcolle Hospital internal Medicine Unit "Ascalesi" Hospital Gastrointestinal and Liver Department National Institute for Health Migration and Poverty Liver Unit Azienda Ospedaliera San Camillo Forlanini Vii Division of infectious Diseases

AiM: To check the safety and efficacy of boceprevir/telaprevir with peginterferon/ribavirin for hepatitis C virus(HCV) genotype 1 in the real-world settings. METHODS: This study was a non-randomized, observational, prospective, multicenter. This study involved 47 centers in italy. A database was prepared for the homogenous collection of the data, was used by all of the centers for data collection, and was updated continuously. All of the patients enrolled in this study were older than 18 years of age and were diagnosed with chronic infection due to HCV genotype 1. The HCV RNA testing was performed using COBAS-Taq Man2.0(Roche, LLQ 25 iU/m L). RESULTS: All consecutively treated patients were included. Forty-seven centers enrolled 834 patients as follows: Male 64%; median age 57(range 18-78), of whom 18.3% were over 65; mean body mass index 25.6(range 16-39); genotype 1b(79.4%); diagnosis of cirrhosis(38.2%); and fibrosis F3/4(71.2%). The following drugs were used: Telaprevir(66.2%) and PEG-iFN-alpha2a(67.6%). Patients were na?ve(24.4%), relapsers(30.5%), partial responders(14.8%) and null responders(30.3%). Overall, adverse events(AEs) occurred in 617 patients(73.9%) during the treatment. Anemia was the most frequent AE(52.9% of cases), especially in cirrhotic. The therapy was stopped for 14.6% of the patients because of adverse events or virological failure(15%). Sustained virological response was achieved in 62.7% of the cases, but was 43.8% in cirrhotic patients over 65 years of age. CONCLUSiON: in everyday practice, triple therapy is safe but has moderate efficacy, especially for patients over 65 years of age, with advanced fibrosis, nonresponders to peginterferon + ribavirin.

关键词： Boceprevir Telaprevir Chronic hepatitis Antiviral therapy Peg-interferon Ribavirin

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小胶质细胞在光/暗周期过程中调节海马突触传递和睡眠持续时间

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神经损伤与功能重建 2022年第5期17卷 310-310页

作者：杜一星(编译) Department of Physiology and Pharmacology Sapienza University of Rome Axe Neurosciences Centre de Recherche du CHU de Québec Université Laval Quebec City Department of Neurology San Raffaele of Cassino 4. National Research Council Institute of Biochemistry and Cell Biology (EMMA/Infrafrontier/IMPC ) International Campus "A. Buzzati-Traverso" iNRAE Bordeaux INP NutriNeuro UMR 1286 Bordeaux University Tecniplast S.P.A. Buguggiate Department of Molecular Medicine Sapienza University iNSERM Neurocentre Magendie Physiopathologie de la Plasticité Neuronale Division of Medical Sciences University of Victoria The Department of Biochemistry and Molecular Biology The University of British Columbia Department of Physiology and Pharmacology Sapienza University Laboratory affiliated to Istituto Pasteur Italia Department of Neurophysiology Neuropharmacology Inflammaging IRCCS Neuromed

小胶质细胞是大脑的常驻巨噬细胞,通过感知神经元活动并支持突触重塑和可塑性积极促进脑实质的稳态。虽然已有研究表明星形胶质细胞在睡眠中的不同作用,但小胶质细胞在调节睡眠/觉醒周期和白天不同阶段调节突触活动中的作用尚未深入研... 详细信息

小胶质细胞是大脑的常驻巨噬细胞,通过感知神经元活动并支持突触重塑和可塑性积极促进脑实质的稳态。虽然已有研究表明星形胶质细胞在睡眠中的不同作用,但小胶质细胞在调节睡眠/觉醒周期和白天不同阶段调节突触活动中的作用尚未深入研究。以光作为授时提示,我们研究了用集落刺激因子-1受体拮抗剂PLX5622消除小胶质细胞对雄性小鼠睡眠/觉醒周期和海马突触传递的影响。我们的数据表明,小胶质细胞几乎完全的耗竭会增加NREM睡眠的持续时间并减少海马兴奋性神经传递。由于cx3cr1GFP/GFP小鼠显现与PLX5622处理的小鼠中发现的相同情况,趋化因子fractalkine受体CX3CR1在这些效应中起相关作用。此外,在光照阶段小胶质细胞表达较低水平的cx3cr1;当培养的小胶质细胞受到ATP(一种在睡眠期间释放的嘌呤能分子)的刺激时其cx3cr1表达降低。我们的研究结果表明,小胶质细胞参与调节睡眠,调整其cx3cr1表达以响应光/暗阶段,并以时相依赖性方式调节突触活动。

关键词： cx3cr1 脑电图长期增强小胶质细胞耗竭微型兴奋性突触后电流睡觉眠自发兴奋性突触后电流

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