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Surgical intervention combined with weight-bearing walking training promotes recovery in patients with chronic spinal cord injury:a randomized controlled study

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Neural Regeneration Research 2024年第12期19卷 2773-2784页

作者： Hui Zhu James D.Guest sarah Dunlop Jia-Xin Xie Sujuan Gao Zhuojing Luo Joe E.Springer Wutian Wu Wise Young Wai Sang Poon Song Liu Hongkun Gao Tao Yu Dianchun Wang Libing Zhou Shengping Wu Lei Zhong Fang Niu Xiaomei Wang Yansheng Liu Kwok-Fai So Xiao-ming Xu Kunming Tongren Hospital KunmingYunnan ProvinceChina Neurological Surgery and the Miami Project to Cure ParalysisMiller School of MedicineUniversity of MiamiMiamiFLUSA School of Biological Sciences The University of Western AustraliaPerthWAAustralia minderoo Foundation PerthWAAustralia Clinical Center for Spinal Cord Injury Kunming General Hospital of Chengdu Military CommandKunmingYunnan ProvinceChina Department of Biostatistics and Health Data Science Indiana University School of MedicineIndianapolisINUSA Department of Orthopedic Spinal Surgery Xijing HospitalFourth Military Medical UniversityXi’anShaanxi ProvinceChina Spinal Cord and Brain Injury Research Center Department of Physical Medicine and RehabilitationUniversity of Kentucky College of MedicineLexingtonKYUSA Guangdong-HongKong-macao Institute of CNS Regeneration Jinan UniversityGuangzhouGuangdong ProvinceChina W.m.Keck Center for Collaborative Neuroscience Rutgers UniversityPiscatawayNJUSA Neurosurgery Department Chinese University of Hong KongPrince of Wales HospitalHong Kong Special Administration RegionChina Spinal Cord and Brain Injury Research Group Stark Neurosciences Research InstituteDepartment of Neurological SurgeryIndiana University School of MedicineIndianapolisINUSA

For patients with chronic spinal cord injury,the co nventional treatment is rehabilitation and treatment of spinal cord injury complications such as urinary tract infection,pressure sores,osteoporosis,and deep vein *** is rarely perfo rmed on spinal co rd injury in the chronic phase,and few treatments have been proven effective in chronic spinal cord injury *** of effective therapies fo r chronic spinal co rd injury patients is *** conducted a randomized controlled clinical trial in patients with chronic complete thoracic spinal co rd injury to compare intensive rehabilitation(weight-bearing walking training)alone with surgical intervention plus intensive *** clinical trial was registered at ***(NCT02663310).The goal of surgical intervention was spinal cord detethering,restoration of cerebrospinal fluid flow,and elimination of residual spinal cord *** found that surgical intervention plus weight-bearing walking training was associated with a higher incidence of American Spinal Injury Association Impairment Scale improvement,reduced spasticity,and more rapid bowel and bladder functional recovery than weight-bearing walking training ***,the surgical procedures and intensive rehabilitation were *** Spinal Injury Association Impairment Scale improvement was more common in T7-T11 injuries than in T2-T6 *** combined with rehabilitation appears to have a role in treatment of chronic spinal cord injury patients.

关键词： chronic spinal cord injury intensive rehabilitation locomotor training neurological recovery surgical intervention weightbearing walking training

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Comprehension of functional support by enculturated chimpanzees Pan troglodytes

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Current Zoology 2011年第4期57卷 429-440页

作者： Anna m. YOCOm sarah T. BOYSEN Department of Psychology The Ohio State University Columbus OH 43210 USA

Studies of causal understanding of tool relationships in captive chimpanzees have yielded disparate findings, particularly those reported by Povinelli ＆ colleagues （2000） for tool tasks by laboratory chimpanzees. The present set of experiments tested nine enculturated chimpanzees on three versions of a support task, as described by Povinelli （2000）, during which food re- wards were presented in different experimental configurations. In Experiment 1, stimulus pairs included a choice between a cloth with a reward on the upper right comer or with a second reward off the cloth, adjacent to a comer, with the second pair comprised of a cloth with food on the upper right comer, and a second cloth with the reward on the substrate, partially covered. All subjects were successful with both test conditions in Experiment 1. In a second study, the experimental choices included one of two possi- ble correct options, paired with one of three incorrect options, with the three incorrect choices all involving varying degrees of perceptual containment. All nine chimpanzees scored significantly above chance across all six conditions. In Experiment 3, four unique conditions were presented, combining one of two possible correct choices with one of two incorrect choices. Six of the subjects scored significantly above chance across the four conditions, and group performance on individual conditions was also significant. Superior performance was demonstrated by female subjects in Experiment 3, similar to sex differences in tool use previously reported for wild chimpanzees and some tool tasks in captive chimpanzees. The present results for Experiments 2 ＆ 3 were significantly differed from those reported by Povinelli et al. （2000） for laboratory-born, peer-reared chimpanzees. One contribution towards the dramatic differences between the two study populations may be the significant rearing and housing differences of the chimpanzee groups. One explanation is that under conditions of enculturat

关键词： Chimpanzees Comparative cognition Tool use Causality

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metabolite Transporter Regulation of ABA Function and Guard Cell Response

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molecular Plant 2014年第10期7卷 1505-1507页

作者： Yunqing Yu sarah m. Assmann Biology Department Pennsylvania State University 208 Mueller Laboratory University Park PA 16802–5301 USA

Pairs of guard cells form stomatal pores through which gas exchange occurs. Gas exchange includes transpirational water loss, and guard cell signaling in drought response has been studied for decades. Abscisic acid （ABA） is the major hormone that regulates drought responses. ABA and other metabolites can be synthesized in one cell type or subcellular compartment and transported across mem- branes by specific transporters to conduct biological func- tions. Two new papers, both taking advantage of reverse genetic methods, one focusing on a plasma membrane ABA efflux carrier （Zhang et al., 2014） and the other on a putative mitochondrial pyruvate carrier （Li et al., 2014）, have recently shown the importance of metabolite trans- porters in ABA function and guard cell response.

关键词： ABSCISIC-ACID ARABIDOPSIS INHIBITION

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matrix interactions modulate neurotrophin-mediated neurite outgrowth and pathfinding

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Neural Regeneration Research 2015年第4期10卷 514-517页

作者： Christopher m.madl sarah C.Heilshorn Department of Bioengineering Stanford University Department of materials Science and Engineering Stanford University

Both matrix biochemistry and neurotrophic factors are known to modulate neurite outgrowth and pathifnding; however, the interplay between these two factors is less studied. While previous work has shown that the biochemical identity of the matrix can alter the outgrowth of neurites in response to neurotrophins, the importance of the concentration of cell-adhesive ligands is unknown. Using engineered elastin-like protein matrices, we recently demonstrated a synergistic effect between matrix-bound cell-adhesive ligand density and soluble nerve growth factor treat-ment on neurite outgrowth from dorsal root ganglia. This synergism was mediated by Schwann cell-neurite contact through L1CAm. Cell-adhesive ligand density was also shown to alter the pathifnding behavior of dorsal root ganglion neurites in response to a gradient of nerve growth factor. While more cell-adhesive matrices promoted neurite outgrowth, less cell-adhesive ma-trices promoted more faithful neurite pathifnding. These studies emphasize the importance of considering both matrix biochemistry and neurotrophic factors when designing biomaterials for peripheral nerve regeneration.

关键词： neurotrophic factors cell-adhesive ligands dorsal root ganglia L1CAm nerve growth factor biomaterials elastin-like proteins

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microbial community coalescence and nitrogen cycling in simulated mortality decomposition hotspots

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Ecological Processes 2023年第1期12卷 608-624页

作者： sarah W.Keenan Alexandra L.Emmons Jennifer m.DeBruyn Department of Geology and Geological Engineering South Dakota School of Mines and Technology501 East St.Joseph StreetRapidSD 57701USA Department of Anthropology University of TennesseeKnoxvilleTNUSA Department of Biosystems Engineering and Soil Science University of Tennessee2506 E.J.Chapman DriveKnoxvilleTN 37996USA

Background The pulsed introduction of dead plant and animal material into soils represents one of the primary mechanisms for returning organic carbon(C)and nitrogen(N)compounds to biogeochemical *** of animal carcasses provides a high C and N resource that stimulates indigenous environmental microbial communities and introduces non-indigenous,carcass-derived microbes to the ***,the dynamics of the coalesced microbial communities,and the relative contributions of environment-and carcass-derived microbes to C and N cycling are *** test whether environment-derived,carcass-derived,or the combined microbial communities exhibited a greater influence on C and N cycling,we conducted controlled laboratory experiments that combined carcass decomposition fluids and soils to simulate carcass decomposition *** selectively sterilized the decomposition fluid and/or soil to remove microbial communities and create different combinations of environment-and carcass-derived communities and incubated the treatments under three temperatures(10,20,and 30℃).Results Carcass-derived bacteria persisted in soils in our simulated decomposition scenarios,albeit at low *** communities had higher respiration rates at 10 and 30℃ compared to soil or carcass communities ***,at higher temperatures,mixed communities had reduced diversity,but higher respiration,suggesting functional *** communities treatments also provided evidence that carcass-associated microbes may be contributing to ammonification and denitrification,but that nitrification is still primarily carried out by native soil *** Our work yields insight into the dynamics of microbial communities that are coalescing during carcass decomposition,and how they contribute to recycling carcasses in terrestrial ecosystems.

关键词： Carcass decomposition microcosm Nitrogen Carbon Biogeochemical cycling Coalescence

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Portraying Diabetic Foot Ulcers: Comparative Evaluation of Diabetic Foot Infections versus Diabetic Foot Ulcers

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Advances in Infectious Diseases 2024年第2期14卷 297-309页

作者： Jamal Wadi Al Ramahi Leen Sharqawi sarah AL-Najafi Eman Awwad Haya m. Al-Obaidi Abdel Hafez mohammad Sara Nofal Dina Riyadh Al-Janabi Ibrahim Zuhair Hamza Jamal Al-masaeid mohammed Al-Ithawi Dina Rasheed Bellal O. Al-Far Osama Al-Izi Qutaiba Al-Bustanji School of medicine The University of Jordan Amman Jordan Department of the Internal medicine The Specialty Hospital Amman Jordan Department of Pharmacy The Specialty Hospital Amman Jordan Department of the medical Al Khalidi Hospital Amman Jordan Department of Pharmacy Jordan Hospital Amman Jordan Department of Internal medicine Jordan Hospital Amman Jordan Department of General Surgery Jordan Hospital Amman Jordan

Background: Confusion often arises in caring for diabetic foot infections and ulcers, especially with antimicrobials;we aim to shed light on this entity and alert healthcare workers to its stewardship. methods: Records were reviewed between February 2016 and September 2023. Data for patients diagnosed with diabetes and foot ulcers, infected or not, were examined following ICD 9 search terms. Records for patients were included if they were prediabetic/diabetic adults with foot ulcers, more than 18 years old, and on antidiabetic treatment. Patients were excluded if they insulin resistant, with normal HgbA1c levels, wheel-chair dependent, bed-bound, non-diabetic patients, diabetic patients who had vascular lower limb surgery earlier to ulcers, diabetic patients who had aortocoronary bypass, deep venous thrombosis within six months, malignancy, and severe clinical depression. A modified IWGDF/IDSA guidelines definitions for DFI and DFU was considered. Statistical analysis was done using R programming. Statistical methods were employed as appropriate, and a significant P-value was considered for P Results: most characteristics were well balanced between DFI and DFU, on imaging osteomyelitis and tissue swelling were significantly more in DFI. Endovascular radiological procedures showed angiograms to be considerably more in DFI, while angioplasty was more in DFU, in addition to smoking. Bacteremia was uncommon, and swab cultures were mostly polymicrobial in both ulcers;no clear association with blood bacteria was detected with the polymicrobial growth, though few were concordant. Antimicrobials prescribed for both ulcers were not statistically different except for carbapenems, which were more in DFI (P Conclusion: Attention should be paid to best practices while caring for diabetic ulcers. These include swab culture interpretations, the use of antimicrobials, and plan management according to DFI or DFU to utilize either local care or combination with antimicrobials.

关键词： Diabetic Foot Ulcers Diabetic Limb Amputation Antimicrobials Stewardship Broad-Spectrum Antimicrobials in Diabetic Foot Ulcers

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Protein-S-100-beta is increased in patients with decompensated cirrhosis admitted to ICU

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Journal of Intensive medicine 2024年第2期4卷 222-230页

作者： Nicolas Weiss Simona Tripon maxime mallet Françoise Imbert-Bismut mehdi Sakka Dominique Bonnefont-Rousselot Philippe Sultanik sarah mouri marika Rudler Dominique Thabut Sorbonne Université AP-HP.Sorbonne UniversitéHôpital de la Pitié-SalpêtrièreDépartement de NeurologieUnitéde Médecine Intensive RéanimationàOrientation NeurologiqueParisFrance Brain Liver Pitié-Salpêtrière(BLIPS)Study Group INSERM UMR_S 938Centre de recherche Saint-AntoineMaladies métaboliquesBiliaires et Fibro-Inflammatoire du FoieInstitute of Cardiometabolism and Nutrition(ICAN)ParisFrance Groupe de Recherche Clinique en REanimation et Soins intensifs du Patient en Insuffisance Respiratoire aiguE(GRC-RESPIRE)Sorbonne Université ParisFrance Assistance Publique-Hôpitaux de Paris AP-HP.Sorbonne UniversitéHôpital de la Pitié-SalpêtrièreService d'hépato-GastroentérologieUnitéde Soins Intensifs d'HépatologieParisFrance Assistance Publique-Hôpitaux de Paris AP-HP.Sorbonne UniversitéService de Biochimie MétaboliqueHôpitaux Universitaires Pitié-Salpêtrière-Charles FoixDMU BioGeMParis F-75013France UniversitéParis Cité UFR de PharmacieCNRSInsermUTCBSParisFrance

Background Hepatic encephalopathy(HE)is highly prevalent in patients with liver *** pathophysiology of HE is centered on the synergic role of hyperammonemia and systemic ***,some data suggest altered functioning of the blood–brain barrier(BBB).Assessing BBB function is challenging in clinical practice and at the ***-S-100 Beta(PS100-Beta)could be a useful peripheral marker of BBB permeability in *** study aimed to assess plasmatic PS100-Beta levels in a prospective cohort of patients admitted to the intensive care unit(ICU)with decompensated cirrhosis with and without overt *** We retrospectively evaluated a prospective cohort of cirrhotic patients admitted to the ICU from October 2013 to September 2015 that had an available plasmatic PS100-Beta *** with previous neurological impairment or limitation of intensive or resuscitative measures were *** HE was defined as West-Haven grades 2 to *** patients were compared to a control cohort of outpatient clinic cirrhotic and non-cirrhotic patients explored for isolated elevation of liver *** ICU discharge,the patients were followed for at least 3 months for the occurrence of overt *** outcomes(liver transplantation or death)were *** ability of PS100-Beta–in combination with other factors–to predict overt HE was evaluated in a multivariate analysis using logistic *** ratios were used to determine the effects and calculate odds ratios(OR).Survival analysis was performed by using the Kaplan–meier method and survival between groups was compared using a Log-rank *** A total of 194 ICU patients and 207 outpatients were included in the *** levels of plasmatic PS100-Beta were detected in the ICU decompensated cirrhotic patients compared with the outpatients([0.15±0.01]mg/L vs.[0.08±0]mg/L,Pmg/L)compared with the

关键词： Cirrhosis Hepatic encephalopathy Blood-brain barrier PS100-Beta Liver disease

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Periorbital rejuvenation in the clinic:A state-of-the-art review

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2023年第3期9卷 242-248页

作者： sarah m.Russel J.madison Clark Department of Otolaryngology Head and Neck Surgery University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA Division of Facial Plastic and Reconstructive Surgery Department of Otolaryngology Head and Neck SurgeryUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA

Objective:To provide an overview of the various treatment options available in the clinic to achieve periorbital *** Sources:Literature review and expert ***:Periorbital rejuvenation in the clinic can be accomplished through a variety of treatment modalities,including topical therapies,skin resurfacing,and fillers and ***,some surgical approaches,such as upper blepharoplasties,ptosis,and brow lifts,can be performed in the clinic under local anesthesia with only mild oral ***,the successful execution of such procedures depends on proper patient selection and maximizing patient comfort.

关键词： blepharoplasty chemexfoliation laser therapy rejuvenation skin aging

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A new distributed feature selection technique for classifying gene expression data

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International Journal of Biomathematics 2019年第4期12卷 79-109页

作者： sarah m.Ayyad Ahmed I.Saleh Labib m.Labib Computers and Systems Department Faculty of Engineering Mansoura University Mansoura 35511 Egypt

Classification of gene expression data is a pivotal research area that plays a substantial role in diagnosis and prediction of diseases. Generally, feature selection is one of the extensively used techniques in data mining approaches, especially in classification. Gene expression data are usually composed of dozens of samples characterized by thousands of genes. This increases the dimensionality coupled with the existence of irrelevant and redundant features. Accordingly, the selection of informative genes (features) becomes difficult, which badly affects the gene classification accuracy. In this paper, we consider the feature selection for classifying gene expression microarray datasets. The goal is to detect the most possibly cancer-related genes in a distributed manner, which helps in effectively classifying the samples. Initially, the available huge amount of considered features are subdivided and distributed among several processors. Then, a new filter selection method based on a fuzzy inference system is applied to each subset of the dataset. Finally, all the resulted features are ranked, then a wrapper-based selection method is applied. Experimental results showed that our proposed feature selection technique performs better than other techniques since it produces lower time latency and improves classification performance.

关键词： Feature selection gene expression dimensionality reduction microarray data classification distributed learning mathematics Subject Classification

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Prenatal multiple micronutrient-fortified balanced energy-protein supplementation and newborn telomere length and mitochondrial DNA content: a randomized controlled efficacy trial in rural Burkina Faso

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Food Science and Human Wellness 2024年

作者： Giles T.Hanley-Cook Yuri Bastos-moreira Dries S.martens Trenton Dailey-Chwalibóg Laeticia Celine Toe Brenda de Kok Lionel Ouédraogo Alemayehu Argaw Kokeb Tesfamariam Patrick Kolsteren Lieven Huybregts Tim S.Nawrot sarah De Saeger marthe De Boevre Carl Lachat Department of Food Technology， Safety and Health， Faculty of Bioscience Engineering， Ghent University Center of Excellence in mycotoxicology and Public Health， mYTOXSOUTH~(?) Coordination Unit， Faculty of Pharmaceutical Sciences， Ghent University Centre for Environmental Sciences， Hasselt University Unité Nutrition et maladies métaboliques， Institut de Recherche en Sciences de la Santé (IRSS) Centre muraz Center of Excellence in mycotoxicology and Public Health， mYTOXSOUTH? Coordination Unit， Faculty of Pharmaceutical Sciences， Ghent University Nutrition， Diets， and Health Unit， Department of Food and Nutrition Policy， International Food Policy Research Institute (IFPRI) Department of Public Health & Primary Care， University of Leuven Department of Biotechnology and Food Technology， Faculty of Science， University of Johannesburg， Doornfontein Campus

Background: Evidence regarding the effectiveness of prenatal nutritional supplements has mainly considered anthropometric pregnancy outcomes. The effect on markers of health and disease， such as offspring telomere length (TL) and mitochondrial DNA content (mtDNAc) is unknown. Objectives: We assessed the efficacy of maternal multiple micronutrient (mmN)-fortified balanced-energy protein (BEP) and iron-folic acid (IFA) supplementation on newborn TL as a secondary outcome and mtDNAc as a non-declared outcome. Design: We conducted a randomized controlled trial in rural Burkina Faso， among pregnant females (15-40 years old) enrolled at mothers received either mmN-fortified BEP and IFA (intervention) or IFA only (control) throughout pregnancy. Whole arterial blood samples were collected from the umbilical cord of 104 control and 90 intervention group infants， respectively. Average relative TL and mtDNAc were measured using quantitative polymerase chain reaction. Linear regression models were fitted to assess TL and mtDNAc differences across trial arms. Results: We found that a combined daily mmN-fortified BEP supplement and IFA tablet did not affect newborn TL [β = -0.010 (95% CI: -0.057， 0.036); P = 0.662] or mtDNAc [β = 0.065 (95% CI: -0.203， 0.073); P = 0.354]， as compared to an IFA tablet alone. These findings were confirmed (P > 0.05) by adjusting the regression models for potential prognostic factors of study outcomes at enrollment. Exploratory analyses indicated higher， but non-significantly different mtDNAc among children born either small-for-gestational age， low birthweight， or preterm. Conclusions: Newborns from mothers who received daily nutritional supplements across gestation did not have different relative TL or mtDNAc.

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