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Pregnancy stressors and postpartum symptoms of depression and anxiety:the moderating role of a cognitivebehavioural therapy(CBT)intervention

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General Psychiatry 2024年第1期37卷 112-121页

作者： Yunxiang Sun Soim Park Abid Malik Najia Atif Ahmed Zaidi Atif Rahman pamela j surkan Department of International Health Johns Hopkins University Bloomberg School of Public HealthBaltimoreMarylandUSA Department of Public Mental Health Health Services AcademyIslamabadPakistan Human Development Research Foundation RawalpindiPakistan Department of Primary Care and Mental Health Institute of Population HealthUniversity of LiverpoolLiverpoolUK

Background Little is known about the association between stressors(especially positive stressors)during pregnancy and postpartum depression and *** We investigated the association between positive and negative stress events during different stages of pregnancy and postpartum mental health outcomes among low-income pregnant women with symptoms of anxiety in Pakistan and evaluated whether an intervention based on cognitive behavioural therapy(CBT)had a regulatory *** Participants were 621 pregnant Pakistani women with mild *** the Pregnancy Experience Scale-Brief Version,six scores were created to assess positive and negative *** performed a multivariate linear regression to examine whether these six scores,measured both at baseline and in the third trimester,were associated with postpartum anxiety and depressive *** effect of the intervention on this relationship was examined by adding an interaction term to the regression *** Hassles frequency measured in the third trimester was positively associated with depression(B=0.22,95%confidence interval(Cl):0.09 to 0.36)and anxiety(B=0.19,95%Cl:0.08to 0.30).At the same timepoint,uplifts intensity was negatively associated with symptoms of depression(B=-0.82,95%Cl:1.46 to-0.18)and anxiety(B=-0.70,95%Cl:-1.25 to-0.15),whereas hassles intensity was positively related to symptoms of depression(B=1.02,95%Cl:0.36 to 1.67)and anxiety(B=0.90,95%Cl:0.34 to 1.47).The intensity ratio of hassles to uplifts reported in the third trimester was positively related to both depression(B=1.40,95%Cl:0.59 to 2.20)and anxiety(B=1.26,95%Cl:0.57 to 1.96).The intervention strengthened the overall positive effects of uplfts and the negative effects of *** experiences at baseline during early pregnancy to mid-pregnancy were not associated with mental health *** Stressors in the third trimester but not earlier in pregnancy were associated with postpartum symptoms

关键词： postpartum stress behaviour

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Iron regulatory protein 1: the deadly switch of ferroptosis

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Neural Regeneration Research 2024年第3期19卷 477-478页

作者： Daniel A.Bórquez pamela j.Urrutia Center for Biomedical Research Faculty of MedicineUniversidad Diego PortalesSantiagoChile Institute of Nutrition&Food Technology(INTA) Universidad de ChileSantiagoChile Geroscience Center for Brain Health and Metabolism SantiagoChile

Ferroptosis,an iron-dependent cell death:Ferroptosis is a type of regulated necrosis,characterized by redox-active iron accumulation and increased free radical production derived by Fenton chemistry,that triggers oxidation of polyunsaturated fatty acids in phospholipids,loss of cellular membranes integrity,and leakage of intracellular contents.

关键词： integrity switch Iron

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Iron,the endolysosomal system and neuroinflammation:a matter of balance

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Neural Regeneration Research 2022年第5期17卷 1003-1004页

作者： Daniel A.Bórquez pamela j.Urrutia Marco T.Núñez Center for Biomedical Research Faculty of MedicineUniversidad Diego PortalesSantiagoChile Department of Biology Faculty of SciencesUniversidad de ChileSantiagoChile

Iron accumulation and neuroinflammation are cardinal features of many neurodegenerative diseases(Urrutia et al.,2021).However,the hierarchy in the pathogenic mechanisms and the molecular connections between these proc... 详细信息

关键词： Iron system showing

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Artemisinin and artemisinin derivatives as anti-fibrotic therapeutics

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Acta Pharmaceutica Sinica B 2021年第2期11卷 322-339页

作者： David Dolivo pamela Weathers Tanja Dominko Department of Surgery Northwestern University-Feinberg School of MedicineChicagoIL 60611USA Department of Biology and Biotechnology Worcester Polytechnic InstituteWorcesterMA 01609USA

Fibrosis is a pathological reparative process that can occur in most organs and is responsible for nearly half of deaths in the developed *** considerable research,few therapies have proven effective and been approved clinically for treatment of *** compounds are best known as antimalarial therapeutics,but they also demonstrate antiparasitic,antibacterial,anticancer,and antifibrotic *** we summarize literature describing anti-fibrotic effects of artemisinin compounds in in vivo and in vitro models of tissue fibrosis,and we describe the likely mechanisms by which artemisinin compounds appear to inhibit cellular and tissue processes that lead to *** consider alternative routes of administration of artemisinin for treatment of internal organ fibrosis,we also discuss the potential for more direct oral delivery of Artemisia plant material to enhance bioavailability and efficacy of artemisinin compared to administration of purified artemisinin drugs at comparable *** is our hope that greater understanding of the broad anti-fibrotic effects of artemisinin drugs will enable and promote their use as therapeutics for treatment of fibrotic diseases.

关键词： Fibrosis Artemisia Artemisinin Artesunate Fibroblast Myofibroblast Scar TGF-β

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The role of Smad7 in oral mucositis

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Protein & Cell 2015年第3期6卷 160-169页

作者： Li Bian Gangwen Han Carolyn W. Zhao pamela j. Garl Xiao-jing Wang Department of Pathology The First Affiliated Hospital of Kunming Medical University Kunming 650032 China Department of Pathology University of Colorado Anschutz. Medical Campus Aurora CO 80203 USA Department of Dermatology The Second Hospital of Shandong University Jinan 250033 China

Oral mucositis, a severe oral ulceration, is a common toxic effect of radioor chemoradio-therapy and a limiting factor to using the maximum dose of radiation for effective cancer treatment. Among cancer patients, at least 40% and up to 70%, of individuals treated with standard chemotherapy regimens or upper-body radiation, develop oral mucositis. To date, there is no FDA approved drug to treat oral mucositis in cancer patients. The key challenges for oral mucositis treatment are to repair and protect ulcerated oral mucosa without promoting cancer cell growth. Oral mucositis is the result of complex, multifaceted pathobiology, involving a series of signaling pathways and a chain of interactions between the epithelium and submucosa. Among those pathways and interactions, the activation of nuclear factor-kappa B （NF-KB） is critical to the inflamma- tion process of oral mucositis. We recently found that activation of TGFβ （transforming growth factor β） signaling is associated with the development of oral mucositis. Smad7, the negative regulator of TGFβ signaling, inhibits both NF-KB and TGFβ activation and thus plays a pivotal role in the prevention and treatment of oral mucositis by attenuating growth inhibition, apoptosis, and inflammation while promoting epithelial migration. The major objective of this review is to evaluate the known functions of Smad7, with a particular focus on its molecular mechanisms and its function in blocking multiple pathological processes in oral mucositis.

关键词： Smad7 oral mucositis cancer TGFβ,NF-κB

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Nicotinamide mononucleotide:a potential effective natural compound against insulin resistance

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Signal Transduction and Targeted Therapy 2021年第9期6卷 2609-2610页

作者： julian Roos julia Zinngrebe pamela Fischer-Posovszky Department of Pediatrics and Adolescent Medicine Ulm University Medical CenterUlmGermany

Recently,a study published in Science by Yoshino et al.1 reported on a randomized,placebo-controlled,double-blind clinical trial to examine the effects of a 10-week nicotinamide mononucleotide(NMN)administration on human metabolism in 25 postmenopausal overweight or obese women with *** revealed positive effects of NMN on insulin sensitivity,insulin signalling,and tissue remodelling in skeletal muscle.

关键词： metabolism clinical

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Magnetically responsive nanofibrous ceramic scaffolds for on-demand motion and drug delivery

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Bioactive Materials 2022年第9期7卷 372-381页

作者： Yonggang Zhang jiaping Li pamela Habibovic Department of Instructive Biomaterials Engineering Maastricht UniversityMERLN Institute for Technology-Inspired Regenerative MedicineUniversiteitssingel 406229 ERMaastrichtthe Netherlands Department of Complex Tissue Regeneration Maastricht UniversityMERLN Institute for Technology-Inspired Regenerative MedicineUniversiteitssingel 406229 ERMaastrichtthe Netherlands

Smart biomaterials,featuring not only bioactivity,but also dynamic responsiveness to external stimuli,are desired for biomedical applications,such as regenerative medicine,and hold great potential to expand the boundaries of the modern clinical ***,a magnetically responsive three-dimensional scaffold with sandwich structure is developed by using hydroxyapatite(HA)nanowires and ferrosoferric oxide(Fe_(3)O_(4))nanoparticles as building *** magnetic HA/Fe_(3)O_(4) scaffold is fully inorganic in nature,but shows polymeric hydrogel-like characteristics including a 3D fibrous network that is highly porous(>99.7%free volume),deformable(50%deformation)and elastic,and tunable *** magnetic HA/Fe3O4 scaffold has been shown to execute multimodal motion upon exposure to an external magnetic field including shape transformation,rolling and *** addition,we have demonstrated that the magnetic scaffold can serve as a smart carrier for remotely controlled,on-demand delivery of compounds including an organic dye and a ***,the magnetic scaffold has exhibited good biocompatibility,supporting the attachment and proliferation of human mesenchymal stromal cells,thereby showing great potential as smart biomaterials for a variety of biomedical applications.

关键词： Hydroxyapatite Magnetic Responsive Drug delivery Cell culture

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Kitchen waste valorization through a mildtemperature pretreatment to enhance biogas production and fermentability:Kinetics study in mesophilic and thermophilic regimen

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journal of Environmental Sciences 2020年第3期32卷 167-179页

作者： Agata Gallipoli Camilla MBraguglia Andrea Gianico Daniele Montecchio pamela Pagliaccia Water Research Institute IRSA-CNR Area Della Ricerca RM100015 MonterotondoRomaItaly

Biowaste valorization through anaerobic digestion is an attractive option to achieve both climate protection goals and renewable energy *** this paper,a complete set of batch trials was carried out on kitchen waste to investigate the effects of mild thermal pretreatment,temperature regimen and substrate/inoculum *** pretreatment was effective in the solubilisation of macromolecular fractions,particularly *** ability of the theoretical methodologies in estimating hydrogen and methane yields of complex substrates was evaluated by comparing the experimental results with the theoretical *** the single batch configuration,a significant initial hydrogen production was observed,prior to methane *** pretreatment effect was the gain in hydrogen production;the extent was highly variable according to the other parameters *** hydrogen yields,up to 113 mL H2/g VSfed,were related to the prompt transformation of soluble *** regimen resulted,as expected,in faster digestions(up to 78 mL CH4/gVS/day) and sorted out pH *** relatively low methane yields(342-398 mL CH4/g VSfed) were the result of the consistent lignocellulosic content and low lipid *** pretreatment proved to be a promising option for the enhancement of hydrogen production in food waste dark fermentation.

关键词： Kitchen waste Hydrogen Methane Thermal pretreatment Kinetics Thermophilic regimen

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Early testing of insulin resistance: a tale of two lipid ratios in a group of 5th graders screened by the Coronary Artery Risk Detection in Appalachian Communities Project (CARDIAC Project)

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World journal of Pediatrics 2019年第4期15卷 398-404页

作者： Charles Ituka Mosimah Christa Lilly Awung-Njia Forbin pamela j.Murray Lee Pyles Elloise Elliot William Neal West Virginia University MorgantownUSA University of Yaounde I YaoundeCameroon

Background In West Virginia (WV),47% of fifth-grade children are either overweight or *** is no clear consensus regarding the definition of insulin resistance in children,and directly measuring insulin on the population level is *** proposed measures examined further in this study include triglyceride (TRIG)/high-density lipoprotein cholesterol (HDL-C) ratio and TRIG/low-density lipoprotein (LDL-C) *** purpose of this study is to examine the relationship between TRIG/HDL-C ratio,TRIG/LDL-C ratio and insulin resistance in fifth-graders with acanthosis nigricans (AN).Methods Between 2007 and 2016,52,545 fifth-grade students in WV were assessed for *** glucose and insulin levels were collected only for a sub-group of students who were AN-positive and was used to determine insulin resistance using the Homeostatic Model for Insulin Resistance (HOMA-IR) *** analysis included t tests and logistic regression with receiver operating characteristic *** Of the students assessed for AN,4.5% (n =2360) tested *** prevalence of insulin resistance was 79% (n =814) among 1030 with AN and complete ***/HDL-C ratio and TRIG/LDL-C ratio were significantly associated with insulin resistance (TRIG/HDL-C:Est.=0.36,P < 0.0001,AUC =0.68;TRIG/LDL-C:Est.=0.87,P < 0.0001,AUC =0.69).Multivariate analysis showed that increased body mass index (Est.=0.05,P < 0.0001),gender (Est.=0.49,p < 0.0001) and TRIG/HDL-C ratio (Est.=0.21,P < 0.0001) were significantly associated with insulin *** TRIG/HDL-C is a better surrogate marker of insulin resistance in AN-positive children compared to TRIG/ LDL-C ratio;so,on a population-level,cholesterol rather than insulin may be obtained for preliminary testing of early insulin resistance in children.

关键词： Acanthosis nigricans CARDIAC Project High-density lipoprotein cholesterol Insulin resistance Low-density lipoprotein cholesterol

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Human osteoclast formation and resorptive function on biomineralized collagen

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Bioactive Materials 2022年第2期7卷 241-252页

作者： Daniel de Melo Pereira Noel Davison pamela Habibovic Department of Instructive Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht University6229 ERMaastrichtThe Netherlands

Biomineralized collagen composite materials pose an intriguing alternative to current synthetic bone graft substitutes by offering a biomimetic composition that closely resembles native *** hypothesize that this composite can undergo cellular resorption and remodeling similar to natural *** investigate the formation and activity of human osteoclasts cultured on biomineralized collagen and pure collagen membranes in comparison to cortical bone *** monocytes/macrophages from peripheral blood differentiate into multinucleated,tartrate-resistant alkaline phosphatase(TRAP)-positive osteoclast-like cells on all *** cells form clear actin rings on cortical bone,but not on biomineralized collagen or pure collagen *** form resorption pits in cortical bone,resulting in higher calcium ion concentration in cell culture medium;however,osteoclast resorption of biomineralized collagen and collagen membranes does not measurably *** of osteoclast enzymes-TRAP,carbonic anhydrase II(CA-II),and cathepsin-K(CTS-K)-is similar on all substrates,despite phenotypic differences in actin ring formation and *** mesh-like structure,relatively low stiffness,and lack of RGD-containing binding domains are likely the factors responsible for preventing formation of stable actin rings on and resorption of(biomineralized)collagen *** insight helps to guide further research toward the optimized design of biomineralized collagen composites as a more biomimetic bone-graft substitute.

关键词： Osteoclastogenesis Osteoclast resorption Biomineralized collagen Intrafibrillar mineral Bone graft substitute

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