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The Experience and Impact of a Fitbit-Based Physical Activity and Sleep Hygiene Intervention for Older Adults Experiencing Cognitive Decline

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Advances in Aging research 2024年第3期13卷 41-59页

作者： kate Walker Chris Griffiths Jen Yates Louise Birkett-Swan Farah Hina Chee Siang Ang research and Innovation Department Northamptonshire Healthcare NHS Foundation Trust Northampton UK Institute of Mental Health University of Nottingham Nottingham UK Dementia and Older People’ s Psychology Provision Northamptonshire Healthcare NHS Foundation Trust Northampton UK School of Computing University of Kent Canterbury UK

Objectives: This study aimed to understand the experience and impact of a physical activity and sleep wrist-worn tracker (Fitbit)-based healthy lifestyle intervention for older patients attending a memory assessment service, who are experiencing cognitive impairment but do not receive a dementia diagnosis. Methods: A qualitative design was employed. Semi-structured interviews were conducted with a purposeful sample of thirteen participants recruited from a memory assessment service. Thematic analysis, that was data driven and inductive, was undertaken to analyse the data. Results: Two global themes were developed. “Understanding exercise and sleep as part of my lifestyle” was made up of themes representing how participants viewed exercise and sleep as part of their lifestyles in terms of acknowledging the positive impacts and the barriers to exercise and sleep. The second global theme “Understanding my experience of the healthy lifestyle intervention” was made up of themes that identified the positive impact of the intervention regarding improving health and wellbeing, enabling validation of proactive behaviours and motivation to engage in healthy lifestyle behaviours, so promoting positive behaviour change. Conclusion: Patients experiencing age-related cognitive impairment, applied and benefited from a healthy lifestyle Fitbit-based intervention to facilitate and promote physical activity, better sleep hygiene and healthy lifestyles.

关键词： Cognitive Impairment Healthy Lifestyle Intervention Fitbit Health and Wellbeing Behaviour Change

*** Part Ⅱ:Exploring Humid Heat Extremes Using Wet Bulb Temperature Indices

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Advances in Atmospheric Sciences 2023年第11期40卷 1968-1985页

作者： kate M.WILLETT Met Office Hadley Centre FitzRoy RoadExeterEX13PBU.K.

Heat events may be humid or *** several indices incorporate humidity,such combined indices obscure identification and exploration of heat events by their different humidity *** new *** global gridded monitoring product uniquely provides a range of wet and dry bulb temperature extremes *** of this new data product demonstrates its value as a tool for quantifying exposure to humid verses dry heat *** also enables exploration into“stealth heat events”,where humidity is high,perhaps enough to affect productivity and health,while temperature remains *** events may not typically be identified as“heat events”by temperature-focused heat *** 1973-2022,the peak magnitude of humid extremes(maximum daily wet bulb temperature over a month;T_(w)X)for the global annual mean increased significantly at 0.13±0.04℃(10 yr)^(−1),which is slightly slower than the global annual mean T_(w) increase of 0.22±0.04℃(10 yr)^(−1).The frequency of moderate humid extreme events per year(90th per-centile daily maxima wet bulb temperature exceedance;T_(w)X90p)also increased significantly at 4.61±1.07 d yr^(−1)(10 yr)^(−1).These rates were slower than for temperature extremes,TX and TX90p,which respectively increased significantly at 0.27±0.04℃(10 yr)^(−1) and 5.53±0.72 d yr^(−1)(10 yr)^(−1).Similarly,for the UK/Europe focus region,JJA-mean T_(w)X increased significantly,again at a slower rate than for TX and mean T_(w).*** shows some evidence of“stealth heat events”occurring where humidity is high but temperature remains more moderate.

关键词： wet bulb temperature heat extremes climate monitoring

*** Part Ⅰ:A Gridded Wet Bulb Temperature Extremes Index Product for Climate Monitoring

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Advances in Atmospheric Sciences 2023年第11期40卷 1952-1967页

作者： kate M.WILLETT Met Office Hadley Centre FitzRoy RoadExeterEX13PBU.K.

*** is an annually updated global gridded monthly monitoring product of wet and dry bulb temperature–based extremes indices,from January 1973 to December *** quality,including spatial and temporal stability,is a key *** hourly data are quality *** is assessed on monthly means and used to score each gridbox according to its homogeneity rather than to apply *** enables user-specific screening for temporal stability and avoids errors from inferring adjustments from monthly means for the daily maximum *** general use,a score(HQ Flag)of 0 to 6 is recommended.A range of indices are presented,aligning with existing standardised ***,provision of both wet and dry bulb indices allows exploration of heat event character—whether it is a“humid and hot”,“dry and hot”or“humid and warm”*** is designed for analysis of long-term trends in regional *** can be used to study local events,but given the greater vulnerability to errors of maximum compared to mean values,cross-validation with independent information is advised.

关键词： wet bulb temperature heat extremes climate monitoring

Tunneling nanotubes and actin cytoskeleton dynamics in glaucoma

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Neural Regeneration research 2020年第11期15卷 2031-2032页

作者： kate E.Keller Department of Ophthalmology Department of Chemical Physiology and BiochemistryOregon Health&Science UniversityPortlandORUSA

Glaucoma and the actin cytoskeleton:Glaucoma is an optic neuropathy,with pathophysiological changes affecting anterior and posterior tissues of the *** trabecular meshwork(TM)in the anterior segment regulates intraocular pressure(IOP),while photoreceptors in the posterior retina convert light into signals that retinal ganglion cells(RGC)transmit to the *** TM is a small,fenestrated tissue located in the anterior chamber angle,between the iris and cornea(Figure 1A1).In humans,the majority of aqueous humor fluid drains through the TM into Schlemm’s *** the outflow channels become blocked,as in glaucoma,IOP starts to increase,pushing the lens and vitreous back onto the optic ***-induced damage to the optic nerve head causes a progressive loss of RGCs and their axons,which leads to irreversible *** or pharmacological management of IOP prevents RGC damage in glaucoma *** pharmacological therapies either reduce production of aqueous humor fluid,or increase aqueous drainage via the TM or the uveoscleral outflow ***,a new class of glaucoma therapies targeting the actin cytoskeleton were approved by the Food and Drug *** are known as the Rho kinase inhibitors,and they act on the Rho/Rho-associated protein kinase signaling pathway to disassemble actin stress fibers in TM and Schlemm’s canal cells(Rao et al.,2017;Lin et al.,2018).While the molecular details are only partially understood,perturbing the actomyosin system can alter cell shape,volume,contractility,and adhesion of cells to extracellular matrix(Tian et al.,2009),which in turn allows greater aqueous outflow and a reduction in *** addition to forming stress fibers,filamentous actin assembles into actin bundles,which are a major component of filopodia,long finger-like projections that emanate from the cell surface,as well as the related cellular protrusions known as tunneling nanotubes(TNTs).

关键词： glaucoma fibers Figure

Could serotonin play a role in abnormal brain outcomes in fetal growth restriction?

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Neural Regeneration research 2023年第3期18卷 543-544页

作者： kate Beecher Julie A.Wixey UQ Centre for clinical research Faculty of MedicineThe University of QueenslandHerstonQLDAustralia

Fetal growth restriction(FGR)describes a fetus that has not grown to its expected biological potential in *** can result from maternal,fetal,or placental complications,though it is commonly caused by placental *** prolonged hypoxic environment the FGR fetus is exposed to has detrimental effects on the newborn,which extends to adverse long-term neurological outcomes in a significant proportion of FGR infants(Malhotra et al.,2019).Unfortunately,there are currently no therapies to reduce the adverse neurological outcomes in *** injury is evident in the FGR brain,and therefore understanding which neurons are lost and how they are lost will aid in the selection of treatment options for FGR.

关键词： fetal fetus insufficiency

The Triple Combination of Meropenem,Avibactam,and a Metallo-β-Lactamase Inhibitor Optimizes Antibacterial Coverage Against Different β-Lactamase Producers

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Engineering 2024年第7期38卷 124-132页

作者： Zhuoren Ling Alistair James Macdonald Farley Aditya Lankapalli Yanfang Zhang Shonnette Premchand-Branker kate Cook Andrei Baran Charlotte Gray-Hammerton Claudia Orbegozo Rubio Edgars Suna Jordan Mathias Jürgen Brem Kirsty Sands Maria Nieto-Rosado Maria Mykolaivna Trush Nadira Naznin Rakhi Willames Martins Yuqing Zhou Christopher Joseph Schofield Timothy Walsh Department of Biology&Ineos Oxford Institute for Antimicrobial research University of OxfordOxford OX13REUK Chemistry research Laboratory Department of Chemistry and the Ineos Oxford Institute for Antimicrobial ResearchUniversity of OxfordOxford OX13TAUK Latvian Institute of Organic Synthesis Riga LV-1006Latvia Department of Medical Microbiology Division of Infection and ImmunitySchool of MedicineCardiff UniversityCardiff CF144XNUK Enzymology and Applied Biocatalysis research Center Faculty of Chemistry and Chemical EngineeringBabes-Bolyai UniversityCluj-Napoca 400028Romania

This work explores the potential of a triple combination of meropenem(MEM),a novel metallo-blactamase(MBL)inhibitor(indole-2-carboxylate 58(InC58)),and a serine-b-lactamase(SBL)inhibitor(avibactam(AVI))for broad-spectrum activity against carbapenemase-producing bacteria.A diverse panel comprising MBL-and SBL-producing strains was used for susceptibility testing of the triple combination using the agar dilution *** frequency of resistance(FoR)to MEM combined with InC58 was *** were sequenced and tested for cross resistance,fitness,and the stability of the resistance *** with the double combinations of MEM plus an SBL or MBL inhibitor,the triple combination extended the spectrum of activity to most of the isolates bearing SBLs(oxacillinase-48(OXA-48)and Klebsiella pneumoniae carbapenemase-2(KPC-2))and MBLs(New Delhi metallo-blactamases(NDMs)),although it was not effective against Verona integron-encoded metallo-blactamase(VIM)-carrying Pseudomonas aeruginosa(***)and OXA-23-carrying Acinetobacter baumannii(***).The FoR to MEM plus InC58 ranged from 2.22×10^(-7)to 1.13×10^(-6).The resistance correlated with mutations to ompC and comR,affecting porin C and copper permeability,*** mutants manifested a fitness cost,a decreased level of resistance during passage without antibiotic pressure,and cross resistance to another carbapenem(imipenem)and a b-lactamase inhibitor(taniborbactam).In conclusion,compared with the dual combinations,the triple combination of MEM with InC58 and AVI showed a much wider spectrum of activity against different carbapenemaseproducing bacteria,revealing a new strategy to combat b-lactamase-mediated antimicrobial resistance.

关键词： Carbapenemase Metallo/serine-b-lactamase inhibitor Avibactam Meropenem Antimicrobial resistance

research of Mechanical and Thermal Properties of Composite Material Based on Gypsum and Straw

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Journal of Renewable Materials 2022年第7期10卷 1859-1873页

作者： Nikola Vavřínová kateřina Stejskalová JiříTeslík kateřina Kubenková JiříMajer Faculty of Civil Engineering VSB-Technical University of OstravaOstrava70800Czech Republic

This article is focused on the investigation of the mechanical and thermal properties of composite material that could be used for the production of plaster or *** composite material is made of gypsum and reinforcing natural *** article verifies whether this natural reinforcement can improve the investigated properties compared to conventional plasters and gypsum plasterboards made of pure *** this composite material,high-strength plasterboards could then be produced,which meet the higher demands of users than conventional gypsum *** their production,natural waste materials would be used *** part of the development of new building materials,it is necessary to specify essential characteristics for their later use in civil *** wheat straw and three gypsum classes with strengths G2(2 MPa)—gypsum Class I.,G5(5 MPa)—gypsum Class *** G16(16 MPa)—gypsum Class *** used to create the test *** were made with different ratios of the two ingredients,with the percentages of straw being 0%,2.5%,and 5%for each gypsum *** first part of the article describes how the increasing proportion of straw affects the composite’s mechanical properties(flexural strength and compressive strength).The second part of the article focuses on the change of thermal properties(thermal conductivity and specific heat capacity).The last part of the article mentions the verification of the fire properties(single-flame source fire test and gross heat of combustion)of this composite *** research has shown that the increasing proportion of straw reinforcement caused a deterioration in the flexural strength(up to 56.49%in the *** of gypsum Class II.)and compressive strength(up to 80.27%in the *** of gypsum Class III.)and an improvement in the specific heat capacity and thermal conductivity(up to 31.40%in the ***).This composite material is thus not suitable for the production of high-streng

关键词： Composite material gypsum plasterboard crushed straw flexural strength compressive strength thermal conductivity specific heat capacity ignitability gross heat of combustion

Unlocking a novel determinant of athletic performance:The role of the gut microbiota,short-chain fatty acids,and“biotics”in exercise

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Journal of Sport and Health Science 2023年第1期12卷 36-44页

作者： kate M.Sales Raylene A.Reimer Faculty of Kinesiology University of CalgaryCalgaryAB T2N 1N4Canada Department of Biochemistry&Molecular Biology Cumming School of MedicineUniversity of CalgaryCalgaryAB T2N 4N1Canada

The gut microbiota refers to the collection of trillions of intestinal microorganisms that modulate central aspects of health and disease through influential effects on host ***,a connection has been made between the gut microbiota and *** investigations demonstrated the beneficial effects of exercise on the gut microbiota,with cross-sectional studies revealing positive correlations between exerciseassociated states,and healthy gut microbiota and exercise interventions showed post-intervention increases in the abundance of beneficial bacterial *** recent investigations have focused on exploring the reverse relationship:the influence of the gut microbiota on exercise *** investigations have revealed that certain bacterial taxa may enhance endurance exercise performance by augmenting various aspects of lactate ***,short-chain fatty acids—which modulate metabolism at various organ sites,including within skeletal muscle—have been shown to enhance endurance exercise capacity in *** review highlights what is currently known about the connection between the gut microbiota and exercise,with a particular focus on the ergogenic potential of the gut microbiota and how it may be leveraged to enhance endurance exercise performance.

关键词： Exercise performance Gut microbiota Short-chain fatty acids

Hidden gems in the niche： a new approach to the study of spermatogonial stem cells

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Asian Journal of Andrology 2013年第2期15卷 214-215页

作者： kate L Loveland Eileen A McLaughlin NHMRC Senior research Fellow Building 77 School of Biomedical Sciences Monash University Clayton VIC 3800 Australia priority research Centres in Chemical Biology and Reproductive Science School of Environmental & Life Sciences University of Newcastle Callaghan NSW 2308 Australia

Kanatsu-Shinohara and colleagues continue to reveal the secrets of the rare mammalian spermatogonial stem cells. Their most recent study offers a new approach by applying principles from hematopoietic stem cell research to demonstrate that cells which form a cobble- stone-like underlay beneath testicular somatic cells in culture are spermatogonial stem cells. Utilization of mouse models and cell cultures shows how the chemokine, CXCL12, fits into the signalling cascade which governs the fate of these cells and hence is essential to male fertility.

关键词： SPLEEN COLONIES TESTES