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Beneficial effects of naringenin in liver diseases: Molecular mechanisms

World Journal of Gastroenterology 2018年第16期24卷 1679-1707页

作者： erika hernández-aquino Pablo Muriel Laboratory of Experimental Hepatology Department of Pharmacology

Liver diseases are caused by different etiological agents, mainly alcohol consumption, viruses, drug intoxication or malnutrition. Frequently, liver diseases are initiated by oxidative stress and inflammation that lead to the excessive production of extracellular matrix(ECM), followed by a progression to fibrosis, cirrhosis and hepatocellular carcinoma(HCC). It has been reported that some natural products display hepatoprotective properties. Naringenin is a flavonoid with antioxidant, antifibrogenic, anti-inflammatory and anticancer properties that is capable of preventing liver damage caused by different agents. The main protective effects of naringenin in liver diseases are the inhibition of oxidative stress, transforming growth factor(TGF-β) pathway and the prevention of the transdifferentiation of hepatic stellate cells(HSC), leading to decreased collagen synthesis. Other effects include the inhibition of the mitogen activated protein kinase(MAPK), toll-like receptor(TLR) and TGF-β non-canonical pathways, the inhibition of which further results in a strong reduction in ECM synthesis and deposition. In addition, naringenin has shown beneficial effects on nonalcoholic fatty liver disease(NAFLD) through the regulation of lipid metabolism, modulating the synthesis and oxidation of lipids and cholesterol. Moreover, naringenin protects from HCC, since it inhibits growth factors such as TGF-β and vascular endothelial growth factor(VEGF), inducing apoptosis and regulating MAPK pathways. Naringenin is safe and acts by targeting multiple proteins. However, it possesses low bioavailability and high intestinal metabolism. In this regard, formulations, such as nanoparticles or liposomes, have been developed to improve naringenin bioavailability. We conclude that naringenin should be considered in the future as an important candidate in the treatment of different liver diseases.

关键词： Naringenin transforming growth factor liver fibrosis MAPKs CCl4 flavonoids JNK hepatic stellate cells cirrhosis Smads α-SMA

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Naringenin prevents experimental liver fibrosis by blocking TGFβ-Smad3 and JNK-Smad3 pathways

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World Journal of Gastroenterology 2017年第24期23卷 4354-4368页

作者： erika hernández-aquino Natanael Zarco Sael Casas-Grajales erika Ramos-Tovar Rosa E Flores-Beltrán Jonathan Arauz Mineko Shibayama Liliana Favari Víctor Tsutsumi José Segovia Pablo Muriel Laboratory of Experimental Hepatology Department of PharmacologyCinvestav-IPNApartado Postal 14-740Mexico City Department of Physiology Biophysics and NeurosciencesCinvestav-IPNApartado Postal 14-740Mexico City Department of Pharmacology School of MedicineAutonomous University of Baja CaliforniaMexicaliApartado Postal 21100 Department of Infectomics and Molecular Pathogenesis Cinvestav-IPNApartado Postal 14-740Mexico City

To study the molecular mechanisms involved in the hepatoprotective effects of naringenin (NAR) on carbon tetrachloride (CCl4)-induced liver fibrosis. METHODSThirty-two male Wistar rats (120-150 g) were randomly divided into four groups: (1) a control group (n = 8) that received 0.7% carboxy methyl-cellulose (NAR vehicle) 1 mL/daily p.o.; (2) a CCl4 group (n = 8) that received 400 mg of CCl4/kg body weight i.p. 3 times a week for 8 wk; (3) a CCl4 + NAR (n = 8) group that received 400 mg of CCl4/kg body weight i.p. 3 times a week for 8 wk and 100 mg of NAR/kg body weight daily for 8 wk p.o.; and (4) an NAR group (n = 8) that received 100 mg of NAR/kg body weight daily for 8 wk p.o. After the experimental period, animals were sacrificed under ketamine and xylazine anesthesia. Liver damage markers such as alanine aminotransferase (ALT), alkaline phosphatase (AP), γ-glutamyl transpeptidase (γ-GTP), reduced glutathione (GSH), glycogen content, lipid peroxidation (LPO) and collagen content were measured. The enzymatic activity of glutathione peroxidase (GPx) was assessed. Liver histopathology was performed utilizing Masson’s trichrome and hematoxylin-eosin stains. Zymography assays for MMP-9 and MMP-2 were carried out. Hepatic TGF-β, α-SMA, CTGF, Col-I, MMP-13, NF-κB, IL-1, IL-10, Smad7, Smad3, pSmad3 and pJNK proteins were detected via western blot. RESULTSNAR administration prevented increases in ALT, AP, γ-GTP, and GPx enzymatic activity; depletion of GSH and glycogen; and increases in LPO and collagen produced by chronic CCl4 intoxication (P 4. Although zymography assays showed that CCl4 produced an increase in MMP-9 and MMP-2 gelatinase activity; interestingly, NAR administration was associated with normal MMP-9 and MMP-2 activity (P < 0.05). The anti-inflammatory, antine

关键词： Fibrosis Transforming growth factor-β Naringenin pSmad3 Smad3 JNK Nuclear factor kappa Carbon tetrachloride

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Insights on ZEB1-AS1:emerging role from cancer to neurodegeneration

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Neural Regeneration Research 2024年第6期19卷 1187-1188页

作者： Stephana Carelli Federica Rey erika Maghraby Cristina Cereda Pediatric Research Center“Romeo ed Enrica Invernizzi” Department of Biomedical and Clinical SciencesUniversity of MilanMilanItaly Center of Functional Genomics and Rare Diseases Department of PediatricsBuzzi Children’s HospitalMilanItaly Department of Biology and Biotechnology“L.Spallanzani” University of PaviaPaviaItaly

Implications for lncRNAs in the central nervous system:Transcriptional dysregulation is a key contributor to the pathogenesis of a wide range of diseases and long non-coding RNAs(lncRNAs)are highly expressed in the nervous ***,amongst the over 50,000 lncRNAs expressed in the human genome,more than 40%are specifically expressed in the brain where their roles in brain development,neuron functions,maintenance.

关键词： ZEB1 diseases pathogenesis

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Analyzing the Interplay of Sintering Conditions on Microstructure and Hardness in Indirect Additive Manufacturing of 17-4PH Stainless Steel

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Acta Metallurgica Sinica(English Letters) 2024年第9期37卷 1611-1620页

作者： erika Lannunziata Mohammad Hossein Mosallanejad Manuela Galati Gabriele Piscopo Abdollah Saboori Integrated Additive Manufacturing Center Department of Management and Production EngineeringPolitecnico di TorinoCorso Duca Degli Abruzzi 2410129TurinItaly

Indirect additive manufacturing(AM)methods have recently attracted attention from researchers thanks to their great potential for cheap,straightforward,and small-scale production of metallic *** diffusion additive manufacturing(ADAM),a variant of indirect AM methods,is a layer-wise indirect AM process recently developed based on fused deposition modeling and metal injection ***,there is still limited knowledge of the process conditions and material properties fabricated through this process,where sintering plays a crucial role in the final consolidation of ***,this research,for the first time,systematically investigates the impact of various sintering conditions on the shrinkage,relative density,microstructure,and hardness of the 17-4PH ADAM *** this reason,as-washed samples were sintered under different time-temperature *** sample density was evaluated using Archimedes,computed tomography,and image analysis *** outcomes revealed that sintering variables significantly impacted the density of brown 17-4PH Stainless Steel *** results indicated more than 99% relative densities,higher than the value reported by Markforged Inc.(~96%).Based on parallel porosities observed in the computed tomography results,it can be suggested that by modifying the infill pattern during printing,it would be possible to increase the final relative *** microhardness of the sintered samples in this study was higher than that of the standard sample provided by Markforged *** at 1330℃ for 4 h increased the density of the printed sample without compromising its mechanical *** to X-ray diffraction analysis,the standard sample provided by Markforged ***“1330℃—4 h”one had similar stable phases,although copper-rich intermetallics were more abundant in the microstructure of reference *** study is expected to facilitate the adoption of indirect metal AM methods by different sector

关键词： Indirect additive manufacturing Atomic diffusion additive manufacturing 17-4PH stainless steel Computed tomography Sintering

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Skeletal microstructures of cheilostome bryozoans(phylum Bryozoa,class Gymnolaemata):crystallography and secretion patterns

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Marine Life Science & Technology 2024年第3期6卷 405-424页

作者： Christian Grenier erika Griesshaber Wolfgang Schmahl Björn Berning Antonio G.Checa Departamento de Estratigrafía y Paleontología Universidad de Granada18071 GranadaSpain Instituto Andaluz de Ciencias de La Tierra CSIC-Universidad de Granada18100 ArmillaSpain Department of Earth and Environmental Sciences Ludwig-Maximilians Universität80333 MunichGermany Institute for Geology University of Hamburg20146 HamburgGermany

Gymnolaemata bryozoans produce CaCO3 skeletons of either calcite,aragonite,or *** extensive research,their crystallography and biomineralization patterns remain *** present a detailed study of the microstructures,min-eralogy,and crystallography of eight extant cheilostome species using scanning electron microscopy,electron backscatter diffraction,atomic force microscopy,and micro-computed *** distinguished five basic microstructures,three calcitic(tabular,irregularly platy,and granular),and two aragonitic(granular-platy and fibrous).The calcitic microstruc-tures consist of crystal aggregates that transition from tabular or irregularly platy to granular *** aragonite consists of fibers arranged into *** all cases,the crystallographic textures are axial,and stronger in aragonite than in calcite,with the c-axis as the fiber *** reconstruct the biomineralization sequence in the different species by considering the distribution and morphology of the growth fronts of crystals and the location of the secretory *** bimineralic species,calcite formation always predates aragonite *** interior compound walls,growth proceeds from the cuticle toward the zooecium *** conclude that,with the exception of tabular calcite,biomineralization is remote and occurs within a relatively wide extrapallial space,which is consistent with the inorganic-like appearance of the *** biomineralization mode is rare among invertebrates.

关键词： Biomineralization Bryozoan Skeleton Calcite Aragonite Electron backscatter diffraction

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Potential neurophysiological and biomechanical risk factors for sport-related back problems:A scoping review

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Sports Medicine and Health Science 2024年第2期6卷 123-138页

作者： erika Zemkova Banafsheh Amiri Henrieta Horníkova Ludmila Zapletalova Department of Biological and Medical Sciences Faculty of Physical Education and SportComenius University in BratislavaSlovakia Faculty of Health Sciences University of Ss.Cyril and Methodius in TrnavaSlovakia Department of Track and Field and Sport Conditioning Faculty of Physical Education and SportComenius University in BratislavaSlovakia

This scoping review aims(1)to map the literature dealing with neurophysiological and biomechanical aspects of back problems in athletes in order to identify valid risk-factors for their prevention,plus(2)to identify gaps in the existing research and propose suggestions for future studies.A literature search conducted with Scopus,Web of Science,MEDLINE and Cochrane Library was completed by Elsevier,SpringerLink and Google *** main neurophysiological risk factors identified leading to back problems in athletes are neuromuscular imbalance,increased muscle fatigability,muscle dysfunction and impaired motor control,whilst biomechanical risk factors include maladaptive spinal,spinopelvic and lower limb kinematics,side-to-side imbalances in axial strength and hip rotation range of motion,spinal overloading and deficits in movement ***,most studies focused on back pain in the lumbar region,whereas less attention has been paid to thoracic and cervical spine *** range of sports where this topic has been studied is relatively *** is a lack of research in sports in which the core muscles are highly involved in specific movements such as lifting weights or trunk rotations.A limited number of studies include female athletes and master athletes of both *** addition to chronic back pain patients,it is equally important to conduct research on healthy athletes with a predisposition to spine *** should focus their empirical work on identifying modifiable risk factors,predict which athletes are at risk for back problems,and develop personalized sport-specific assessment tools and targeted prevention strategies for them.

关键词： Athletic training Back pain Biomechanical measures Physiological loading Spine injury

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The challenge of molecular selection in liver-limited metastatic colorectal cancer for surgical resection: a systematic review and meta-analysis in the context of current and future approaches

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Oncology Research 2024年第9期32卷 1407-1422页

作者： ROSSANA RONCATO JERRY POLESEL FEDERICA TOSI ELENA PERUZZI erika BRUGUGNOLI CLAUDIA LAURIA PANTANO MARIA FURFARO FILIPPO DI GIROLAMO ALESSANDRO NANI ARIANNA PANI NOEMI MILAN ELENA DE MATTIA ANDREA SARTORE-BIANCHI erika CECCHIN Experimental and Clinical Pharmacology Unit Centro di Riferimento Oncologico di Aviano(CRO)IRCCSAviano33081Italy Department of Medicine(DMED) University of UdineUdine33100Italy Unit of Cancer Epidemiology Centro di Riferimento Oncologico di Aviano(CRO)IRCCSAviano33081Italy Department of Oncology and Hemato-Oncology Universitàdegli Studi di MilanoMilan20122Italy Department of Hematology Oncologyand Molecular MedicineGrande Ospedale Metropolitano NiguardaMilan20122Italy Oncology Pharmacy Unit IRCCS Istituto Romagnolo per lo Studio dei Tumori Dino AmadoriMeldola47014Italy Pharmacy Unit Fondazione IRCCS Istituto Tumori di MilanoMilan20122Italy Department of Pharmacy Ca’Foncello Treviso Regional HospitalPiazzale Ospedale 1Treviso31100Italy Department of Medical Surgical and Health Sciences University of TriesteTrieste34127Italy Hospital Pharmacy Cattinara HospitalAzienda Sanitaria Universitaria Giuliano IsontinaTrieste34148Italy Department of Oncology and Onco-Hematology Postgraduate School of Clinical Pharmacology and ToxicologyUniversity of MilanMilan20122Italy

Objectives:Treatment of metastatic colorectal cancer(mCRC)includes resection of liver metastases(LM),however,no validated biomarker identifies patients most likely to benefit from this *** meta-analysis aimed to assess the impact of the most relevant molecular alterations in cancer-related genes of CRC(i.e.,RAS,BRAF,SMAD4,PIK3CA)as prognostic markers of survival and disease recurrence in patients with mCRC surgically treated by LM ***:A systematic literature review was performed to identify studies reporting data regarding survival and/or recurrence in patients that underwent complete liver resection for CRC LM,stratified according to RAS,BRAF,PIK3CA,and SMAD4 mutational *** ratios(HRs)from multivariate analyses were pooled in the meta-analysis and various adjustment strategies for confounding factors were *** search was conducted in numerous databases,including MEDLINE(PubMed),Embase,Cumulative Index to Nursing and Allied Health Literature(CINAHL)(EBSCO host),and WHO Global Index Medicus,through March 18th,***-analyses,editorials,letters to the editor,case reports,studies on other primary cancers,studies with primary metastatic sites other than the liver,studies lacking specific oncological outcome variables or genetic data,non-English language studies,and studies omitting residual disease data from liver metastasectomy were *** remaining 47 studies were summarized in a descriptive table which outlines the key characteristics of each study and final results were graphically ***:RAS mutation status was negatively associated with overall survival(OS)(HR,1.68;95%CI,1.54–1.84)and recurrence free survival(RFS)(HR,1.46;95%CI,1.33–1.61).A negative association was also found for BRAF regarding OS(HR,2.64;95%CI,2.15–3.24)and RFS(HR,1.89;95%CI,1.32–2.73)and SMAD4 regarding OS(HR,1.93;95%CI,1.56–2.38)and RFS(HR,1.95;95%CI,1.31–2.91).For PIK3CA only three studies were eligible and no significant associati

关键词： Metastasectomy Liver metastases RAS BRAF SMAD4 PIK3CA Colorectal

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Validity of self-reported male sexual function scales in a young Chinese population:a comparative study with clinician-assisted evaluation

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Asian Journal of Andrology 2024年第3期26卷 321-327页

作者： Hui Zhang Elena Colonnello erika Limoncin Tommaso B Jannini Xu-Chong Tu Andrea Sansone Emmanuele A Jannini Yan Zhang Department of Infertility and Sexual Medicine Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhou 510000China Chair of Endocrinology and MedicalSexology(ENDOSEX) Department of Experimental MedicineUniversity of Rome Tor VergataRome 00133Italy Department of Urology First Affiliated Hospital ofGuangzhou University of Chinese MedicineGuangzhou 510000China Section of Medical Pathophysiology Food Science and EndocrinologySapienza University of RomeRome 00133Italy School of Psychiatry Department of Systems MedicineUniversity of Rome Tor VergataRome 00133Italy

Psychometric scales,commonly used to gauge sexual function,can sometimes be influenced by response *** our researchfrom June 2020 to April 2021,we examined the accuracy of self-reported sexual function *** invited patients from theDepartment of Infertility and Sexual Medicine at the Third Affiliated Hospital of Sun Yat-sen University(Guangzhou,China),whohave male sexual dysfunction,to participate by filling out a self-reported version of a specific *** addition,they wentthrough a clinician-assisted version of this questionnaire,encompassing tools such as the Premature Ejaculation Diagnostic Tool(PEDT),the 6-item International Index of Erectile Function(IIEF-6),the Erection Hardness Scale(EHS),and the MasturbationErection Index(MEI).Using the clinician-assisted version as a reference,we categorized patients and applied various statisticalmethods,such as the Chi-square test,intraclass correlation coefficient(ICC),logistic regression,and the Bland–Altman plot,to gauge *** our study with 322 participants,we found that while there were no notable discrepancies in error ratesbased on our categorization,certain scales showed significant differences in terms of overestimation and underestimation,withthe exception of the *** positive diagnosis rate consistency between the self-reported and clinician-assisted versions *** ICC values between the two versions across the scales were indicative of remarkable *** findings showthat the self-reported versions of tools such as EHS,IIEF-6,MEI,and PEDT are credible and hold clinical ***,employing a dual-diagnosis approach might be more prudent to circumvent potential misdiagnoses.

关键词： psychometry scale sexual function sexual health

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Small molecule inhibitor DDQ-treated hippocampal neuronal cells show improved neurite outgrowth and synaptic branching

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Neural Regeneration Research 2025年第9期20卷 2624-2632页

作者： Jangampalli Adi Pradeepkiran Priyanka Rawat Arubala P.Reddy erika Orlov PHemachandra Reddy Department of Internal Medicine Texas Tech University Health Sciences CenterLubbockTXUSA Department of Nutritional Sciences College of Human SciencesTexas Tech UniversityLubbockTXUSA Department of Pharmacology&Neuroscience Texas Tech University Health Sciences CenterLubbockTXUSA Department of Neurology Texas Tech University Health Sciences CenterLubbockTXUSA Department of Speech Language and Hearing SciencesTexas Tech University Health Sciences CenterLubbockTXUSA Department of Public Health Texas Tech University Health Sciences CenterLubbockTXUSA

The process of neurite outgrowth and branching is a crucial aspect of neuronal development and *** and dendrites,sometimes referred to as neurites,are extensions of a neuron's cellular body that are used to start *** we explored the effects of diethyl(3,4-dihydroxyphenethylamino)(quinolin-4-yl)methylphosphonate(DDQ)on neurite developmental features in HT22 neuronal *** this work,we examined the protective effects of DDQ on neuronal processes and synaptic outgrowth in differentiated HT22cells expressing mutant Tau(mTau)*** investigate DDQ chara cteristics,cell viability,biochemical,molecular,western blotting,and immunocytochemistry were *** outgrowth is evaluated through the segmentation and measurement of neural *** neural processes can be seen and measured with a fluorescence microscope by manually tracing and measuring the length of the neurite *** neuronal processes can be observed and quantified with a fluorescent microscope by manually tracing and measuring the length of the neuronal ***-treated mTau-HT22 cells(HT22 cells transfected with cDNA mutant Tau)were seen to display increased levels of synaptophysin,MAP-2,andβ-***,we confirmed and noted reduced levels of both total and p-Tau,as well as elevated levels of microtubule-associated protein 2,β-tubulin,synaptophysin,vesicular acetylcholine transporter,and the mitochondrial biogenesis protein-pe roxisome prolife rator-activated receptor-gamma coactivator-1α.In mTa u-expressed HT22 neurons,we observed DDQ enhanced the neurite characteristics and improved neurite development through increased synaptic *** findings conclude that mTa u-HT22(Alzheimer's disease)cells treated with DDQ have functional neurite developmental chara *** key finding is that,in mTa u-HT22 cells,DDQ preserves neuronal structure and may even enhance nerve development function with mTa u inhibition.

关键词： diethyl(3 4-dihydroxyphenethylamino)(quinolin-4-yl)methylphosphonate(DDQ) hippocampal neuronal cells HT22 neurite outgrowth neuronal development small molecule

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Using a novel hemostatic peptide solution to prevent bleeding after endoscopic submucosal dissection of a gastric tumor

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World Journal of Gastrointestinal Endoscopy 2024年第3期16卷 168-174页

作者： Kuniyo Gomi Yorimasa Yamamoto erika Yoshida Misako Tohata Masatsugu Nagahama Department of Gastroenterology Showa University Fujigaoka HospitalYokohama 227-8501KanagawaJapan

BACKGROUND Endoscopic mucosal dissection has become the standard treatment for early gastric ***,post-endoscopic submucosal dissection(ESD)ulcer occurs in 4.4%of *** study hypothesized whether applying PuraStat,a novel hemostatic peptide solution,prevents post-ESD *** To investigate the preventive potential of PuraStat,a hemostatic formulation,against bleeding in post-ESD gastric *** Between May 2022 and March 2023,101 patients(Group P)underwent ESD for gastric diseases at our hospital and received PuraStat(2 mL)for post-ESD *** retrospectively compared this group with a control group(Group C)com-prising 297 patients who underwent ESD for gastric diseases at our hospital between April 2017 and March 2021.P values<0.05 on two-sided tests indicated *** Post-ESD bleeding occurred in 6(5.9%)(95%CI:2.8-12.4)and 20(6.7%)(95%CI:4.4-10.2)patients in Groups P and C,respectively,with no significant between-group *** relative risk was 1.01(95%CI:0.95-1.07).The lesser curvature or anterior wall was the bleeding site in all 6 patients who experienced postoperative bleeding in Group *** multivariate analysis,the odds ratios for resection diameter≥50 mm and oral anticoagulant use were 6.63(95%CI:2.52-14.47;P=0.0001)and 4.04(1.26-0.69;P=0.0164),*** adjusted odds ratio of post-ESD bleeding and PuraStat was 1.28(95%CI:0.28-2.15).CONCLUSION PuraStat application is not associated with post-ESD ***,the study suggests that gravitational forces may affect the effectiveness of applied PuraStat.

关键词： Endoscopic submucosal dissection PuraStat Bleeding Gastric cancer hemostatic forceps Proton pump inhibitor hemostatic peptide solution

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