keyword
https://read.qxmd.com/read/38617246/sex-specific-sequels-of-early-life-stress-on-serine-threonine-kinase-activity-in-visceral-adipose-tissue-from-obese-mice
#1
Jacqueline Leachman, Justin Creeden, Meghan Turner, Nermin Ahmed, Carolina Dalmasso, Analia S Loria
Adverse childhood experiences (ACEs) are an established independent risk factor for chronic disease including obesity and hypertension; however, only women exposed to multiple ACEs show a positive relationship with BMI. Our lab has reported that maternal separation and early weaning (MSEW), a mouse model of early life stress, induces sex-specific mechanisms underlying greater blood pressure response to a chronic high fat diet (HF). Specifically, female MSEW mice fed a HF display exacerbated perigonadal white adipose tissue (pgWAT) expansion and a metabolic syndrome-like phenotype compared to control counterparts, whereas hypertension is caused by sympathoactivation in male MSEW mice...
April 4, 2024: bioRxiv
https://read.qxmd.com/read/38578462/vitamin-d-receptor-gene-bsmi-rs1544410-polymorphism-role-in-multiple-sclerosis-and-genotype-phenotype-correlations
#2
JOURNAL ARTICLE
Maha Jamoussi, Faten Alaya, Hela Jamoussi, Ghada Baraket, Afef Achouri, Mariem Ben Mahmoud, Saloua Fray, Nadia Ben Ali, Taieb Messaoud, Amel Hannachi Salhi, Mohamed Fredj
BACKGROUND: Multiple sclerosis (MS) has a complex pathophysiology which depends on many endogenous and exogenous factors. Vitamin D involvement has been largely studied in MS. The large distribution of the vitamin D receptor (VDR) in different immune cells is suggestive of an immunomodulatory role. The VDR gene polymorphisms have been proposed as potential risk factors for MS development or evolution with non-conclusive results. METHODS AND RESULTS: We conducted a cross-sectional study including patients ≥ 18 years, with a diagnosis of relapsing remitting MS according to the McDonald Criteria and having a minimum follow-up period of one year after starting a disease modifying therapy...
April 5, 2024: Molecular Biology Reports
https://read.qxmd.com/read/38562122/two-sisters-with-rspry1-related-spondyloepimetaphyseal-dysplasia
#3
Swati Singh, Hitesh Shah, Ashwin Dalal, Anju Shukla, Gandham SriLakshmi Bhavani, Katta M Girisha
Biallelic variants in RSPRY1 have been found to result in spondyloepimetaphyseal dysplasia. Two siblings presenting with short stature, facial dysmorphism, progressive vertebral defects, small epiphysis, cupping and fraying of metaphyses, brachydactyly, and short metatarsals harbored a homozygous missense variant c.1652G>A;p.(Cys551Tyr) in the RSPRY1 gene. The phenotype in our patients resembles spondyloepimetaphyseal dysplasia, Faden-Alkuraya type. Thus, our study provides further evidence to support the association of RSPRY1 variants with spondyloepimetaphyseal dysplasia...
April 2, 2024: American Journal of Medical Genetics. Part A
https://read.qxmd.com/read/38533623/enzymatic-synthesis-of-furan-based-copolymers-material-characterization-and-potential-for-biomedical-applications
#4
JOURNAL ARTICLE
Martyna Sokołowska, Moein Zarei, Mirosława El Fray
BACKGROUND: Today's growing demand for advanced and sustainable polyester materials is driven by an increasing awareness of the environmental impact of traditional materials, emphasizing the need for eco-friendly alternatives. Sustainability has become central in materials development, including the biomedical area, where biobased and environmentally friendly solutions are a rapidly growing field. OBJECTIVES: This research aims to comprehensively evaluate a new enzymatically catalyzed furan-based copolymer, poly(decamethylene furanoate)-co-(dilinoleic furanoate) (PDF-DLF), with a 70-30 wt% hard-to-soft segment ratio...
March 27, 2024: Polimery W Medycynie
https://read.qxmd.com/read/38529029/metabarcoding-reveals-unique-microbial-mat-communities-and-evidence-of-biogeographic-influence-in-low-oxygen-high-sulfur-sinkholes-and-springs
#5
JOURNAL ARTICLE
Davis Fray, Callahan A McGovern, Dale A Casamatta, Bopaiah A Biddanda, Sarah E Hamsher
High-sulfur, low-oxygen environments formed by underwater sinkholes and springs create unique habitats populated by microbial mat communities. To explore the diversity and biogeography of these mats, samples were collected from three sites in Alpena, Michigan, one site in Monroe, Michigan, and one site in Palm Coast, Florida. Our study investigated previously undescribed eukaryotic diversity in these habitats and further explored their bacterial communities. Mat samples and water parameters were collected from sulfur spring sites during the spring, summer, and fall of 2022...
March 2024: Ecology and Evolution
https://read.qxmd.com/read/38472574/a-comparative-study-on-the-cs-adsorption-desorption-and-structural-changes-in-different-clay-minerals
#6
JOURNAL ARTICLE
In-Ho Yoon, Sang-Ho Lee, Ilgook Kim, Sung Man Kim
We investigated the structural changes in clay minerals after Cs adsorption and understood their low desorption efficiency using an ion-exchanger. We focused on the role of interlayers in Cs adsorption and desorption in 2:1 clay minerals, namely illite, hydrobiotite, and montmorillonite, using batch experiments and XRD and EXAFS analyses. The adsorption characteristics of the clay minerals were analyzed using cation exchange capacity (CEC), maximum adsorption isotherms (Qmax ), and radiocesium interception potential (RIP) experiments...
March 12, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38458717/ambiguous-personhood-paradoxes-of-social-belonging-in-danish-nursing-home-care
#7
JOURNAL ARTICLE
Emma Jelstrup Balkin, Ingjerd Gåre Kymre, Mette Geil Kollerup, Bente Martinsen, Mette Grønkjær
In oldest old age (generally considered to be from 85 years onwards), personhood is often called into question, impacting well-being as a result. Based on ethnographic fieldwork, this article examines the well-being of oldest old nursing home residents at the intersections of ageism, fraying personhood and fragile social belonging in Danish nursing home care. In Denmark personhood hinges on both independence and social belonging; or "fællesskab." We examine how these concepts are practiced in nursing home care...
March 2024: Journal of Aging Studies
https://read.qxmd.com/read/38422280/inefficacious-drugs-against-covid-19-analysis-of-sales-tweets-and-search-engines
#8
JOURNAL ARTICLE
Irineu de Brito Junior, Flaviane Azevedo Saraiva, Nathan de Campos Bruno, Roberto Fray da Silva, Celso Mitsuo Hino, Hugo Tsugunobu Yoshida Yoshizaki
OBJECTIVE: Assess the correlation between the sales of two drugs with no proven efficacy against covid-19, ivermectin and chloroquine, and other relevant variables, such as Google® searches, number of tweets related to these drugs, number of cases and deaths resulting from covid-19. METHODS: The methodology adopted in this study has four stages: data collection, data processing, exploratory data analysis, and correlation analysis. Spearman's method was used to obtain cross-correlations between each pair of variables...
2024: Revista de Saúde Pública
https://read.qxmd.com/read/38422185/induction-of-durable-remission-by-dual-immunotherapy-in-shiv-infected-art-suppressed-macaques
#9
JOURNAL ARTICLE
So-Yon Lim, Jina Lee, Christa E Osuna, Pratik Vikhe, Dane R Schalk, Elsa Chen, Emily Fray, Mithra Kumar, Nancy Schultz-Darken, Eva Rakasz, Saverio Capuano, Ruby A Ladd, Hwi Min Gil, David T Evans, Emily K Jeng, Michael Seaman, Malcolm Martin, Christiaan Van Dorp, Alan S Perelson, Hing C Wong, Janet D Siliciano, Robert Siliciano, Jeffrey T Safrit, Douglas F Nixon, Patrick Soon-Shiong, Michel Nussenzweig, James B Whitney
The eradication of the viral reservoir represents the major obstacle to the development of a clinical cure for established HIV-1 infection. Here, we demonstrate that the administration of Anktiva (N-803) and broadly neutralizing antibodies (bNAbs) resulted in sustained viral control after discontinuation of antiretroviral therapy (ART) in SHIV-AD8-infected, ART-suppressed rhesus macaques. N-803+bNAbs treatment induced immune activation and transient viremia, but only limited reductions in the SHIV reservoir...
February 29, 2024: Science
https://read.qxmd.com/read/38401861/eco-friendly-natural-mineral-biotite-as-a-cesium-adsorbent-utilizing-low-concentration-acid-and-hydrogen-peroxide
#10
JOURNAL ARTICLE
Sunki Kwon, Donghoon Seoung, Eunji Jung, Jiyoung Park, Jongmyoung Lim, Byungkyu Park, Youngjin Cho, Pyosang Kim, Hyeonsu Kim, Yongmoon Lee
Biotite, a phyllosilicate mineral, possesses significant potential for cesium (Cs) adsorption owing to its negative surface charge, specific surface area (SSA), and frayed edge sites (FES). Notably, FES are known to play an important role in the adsorption of Cs. The objectives of this study were to investigate the Cs adsorption capacity and behavior of artificially weathered biotite and identify mineralogical characteristics for the development of an eco-friendly geologically-based Cs adsorbent. Through various analyses, it was confirmed that the FES of biotite was mainly formed by mineral structural distortion during artificial weathering...
February 22, 2024: Chemosphere
https://read.qxmd.com/read/38390674/care-or-complicity-medical-personnel-in-prisons
#11
JOURNAL ARTICLE
Rebecca L Walker
Imprisonment may sometimes be a justified form of punishment. Yet the U.S. carceral system suffers from appalling problems of justice-in who is put into prisons, in how imprisoned people are treated, and in downstream personal and community health impacts. Medical personnel working in prisons and jails take on risky work for highly vulnerable and underserved patients. They are to be lauded for their professional commitments. Yet at the same time, prison care undercuts the ability of medical personnel to uphold their own professional standards and sometimes fails in even basic health protection...
January 2024: Hastings Center Report
https://read.qxmd.com/read/38390574/ophthalmic-surgeries-on-post-mortem-porcine-eyes-with-picosecond-ultrashort-laser-pulses
#12
JOURNAL ARTICLE
Michael Körber, Jakob Fellinger, Milan Fritsche, Andreas Giese, Konstantina Kostourou, Daniel Kopf, Manfred Kottcke, Francesco Luciani, Josef M Schmidbauer, Jonathan Wenk, Bernd Braun
PURPOSE: This work demonstrates significant advantages in ophthalmic surgeries through the use of picosecond ultrashort laser pulses instead of state-of-the-art nanosecond laser pulses. These ultrashort lasers shall serve as universal tools more effectively combining advantages of high precision, low impact and economic advantages compared to existing instruments. METHODS: As samples, we used post-mortem porcine eyes on which we performed the experiments with both picosecond and nanosecond lasers...
2024: Frontiers in Medicine
https://read.qxmd.com/read/38353005/investigation-of-dynamical-flexibility-of-d5sic-dnam-inside-dna-duplex-in-aqueous-solution-a-systematic-classical-md-approach
#13
JOURNAL ARTICLE
Tanay Debnath, G Andrés Cisneros
Incorporation of artificial 3rd base pairs (unnatural base pairs, UBPs) has emerged as a fundamental technique in pursuit of expanding the genetic alphabet. 2,6-Dimethyl-2 H -isoquiniline-1-thione: D5SIC (DS) and 2-methoxy-3-methylnaphthalene: DNAM (DN), a potential unnatural base pair (UBP) developed by Romesberg and colleagues, has been shown to have remarkable capability for replication within DNA. Crystal structures of a Taq polymerase/double-stranded DNA (ds-DNA) complex containing a DS-DN pair in the 3' terminus showed a parallelly stacked geometry for the pre-insertion, and an intercalated geometry for the post-insertion structure...
February 14, 2024: Physical Chemistry Chemical Physics: PCCP
https://read.qxmd.com/read/38353000/investigation-of-the-stability-of-d5sic-dnam-incorporated-dna-duplex-in-taq-polymerase-binary-system-a-systematic-classical-md-approach
#14
JOURNAL ARTICLE
Tanay Debnath, G Andrés Cisneros
DNA polymerases are fundamental enzymes that play a crucial role in processing DNA with high fidelity and accuracy ensuring the faithful transmission of genetic information. The recognition of unnatural base pairs (UBPs) by polymerases, enabling their replication, represents a significant and groundbreaking discovery with profound implications for genetic expansion. Romesberg et al. examined the impact of DNA containing 2,6-dimethyl-2 H -isoquiniline-1-thione: D5SIC (DS) and 2-methoxy-3-methylnaphthalene: DNAM (DN) UBPs bound to T...
February 14, 2024: Physical Chemistry Chemical Physics: PCCP
https://read.qxmd.com/read/38345606/primary-anterior-cruciate-ligament-repair-morphological-and-quantitative-assessment-by-7-t-mri-and-clinical-outcome-after-1-5-years
#15
JOURNAL ARTICLE
Milena L Pachowsky, Stefan Söllner, Kolja Gelse, Jannik Sambale, Armin M Nagel, Georg Schett, Marc Saake, Michael Uder, Frank W Roemer, Rafael Heiss
OBJECTIVES: The purpose of this study was to assess morphological and quantitative changes of the anterior cruciate ligament (ACL) and cartilage after ACL repair. METHODS: 7T MRI of the knee was acquired in 31 patients 1.5 years after ACL repair and in 13 controls. Proton density-weighted images with fat saturation (PD-fs) were acquired to assess ACL width, signal intensity, elongation, and fraying. T2/T2* mapping was performed for assessment of ACL and cartilage...
February 12, 2024: European Radiology
https://read.qxmd.com/read/38262278/atomistic-simulations-of-rna-duplex-thermal-denaturation-sequence-and-forcefield-dependence
#16
JOURNAL ARTICLE
Aimeric Dabin, Guillaume Stirnemann
Double-stranded RNA is the end-product of template-based replication, and is also the functional state of some biological RNAs. Similarly to proteins and DNA, they can be denatured by temperature, with important physiological and technological implications. Here, we use an in silico strategy to probe the thermal denaturation of RNA duplexes. Following previous results that were obtained on a few different duplexes, and which nuanced the canonical 2-state picture of nucleic acid denaturation, we here specifically address three different aspects that greatly improve our description of the temperature-induced dsRNA separation...
January 1, 2024: Biophysical Chemistry
https://read.qxmd.com/read/38147873/anatomic-factors-associated-with-degeneration-and-fraying-of-the-coracoacromial-ligament
#17
JOURNAL ARTICLE
Ryan Lopez, Jaspal Singh, Mohammad Ghoraishian, Thema Nicholson, Stephen Gates, Surena Namdari
BACKGROUND: The coracoacromial ligament (CAL) is frequently observed to be damaged during arthroscopy and it is unclear how demographic, anatomic, and radiographic factors are related to CAL degeneration in full-thickness rotator cuff tears. METHODS: A prospective study was conducted of patients at a single institution undergoing shoulder arthroscopy for first-time, full-thickness rotator cuff tears. We evaluated preoperative anteroposterior radiographs to obtain critical shoulder angle, glenoid inclination, acromial index, acromiohumeral distance, lateral acromial angle, and acromial morphology...
December 27, 2023: Clinics in shoulder and elbow
https://read.qxmd.com/read/38068092/influence-of-photoinitiator-type-and-curing-conditions-on-the-photocuring-of-soft-polymer-network
#18
JOURNAL ARTICLE
Malwina J Niedźwiedź, Gokhan Demirci, Nina Kantor-Malujdy, Miroslawa El Fray
The presented work deals with the photocuring of telechelic macromonomers derived from plant-based fatty acids to obtain a soft polymer network. Compositions were made by mixing macromonomers with three different concentrations (0.5, 1, and 2%) of two type I photoinitiators (Omnirad 2022 and Omnirad 819). All formulations were then subjected to photopolymerization studies by applying UV-assisted differential scanning calorimetry (UV-DSC) measurements at isothermal conditions at 37 °C with a narrow light source wavelength of 365 nm and irradiation (light intensity) of 20 and 50 mW/cm2 ...
November 25, 2023: Materials
https://read.qxmd.com/read/38054956/folding-of-prestin-s-anion-binding-site-and-the-mechanism-of-outer-hair-cell-electromotility
#19
JOURNAL ARTICLE
Xiaoxuan Lin, Patrick R Haller, Navid Bavi, Nabil Faruk, Eduardo Perozo, Tobin R Sosnick
Prestin responds to transmembrane voltage fluctuations by changing its cross-sectional area, a process underlying the electromotility of outer hair cells and cochlear amplification. Prestin belongs to the SLC26 family of anion transporters yet is the only member capable of displaying electromotility. Prestin's voltage-dependent conformational changes are driven by the putative displacement of residue R399 and a set of sparse charged residues within the transmembrane domain, following the binding of a Cl- anion at a conserved binding site formed by the amino termini of the TM3 and TM10 helices...
December 6, 2023: ELife
https://read.qxmd.com/read/38051682/a-t-shirt-and-the-fraying-of-professional-nursing
#20
EDITORIAL
Timothy Joseph Sowicz
No abstract text is available yet for this article.
December 2023: Journal of Psychosocial Nursing and Mental Health Services
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