keyword
https://read.qxmd.com/read/38657053/different-states-of-synaptic-vesicle-priming-explain-target-cell-type-dependent-differences-in-neurotransmitter-release
#1
JOURNAL ARTICLE
Mohammad Aldahabi, Erwin Neher, Zoltan Nusser
Pronounced differences in neurotransmitter release from a given presynaptic neuron, depending on the synaptic target, are among the most intriguing features of cortical networks. Hippocampal pyramidal cells (PCs) release glutamate with low probability to somatostatin expressing oriens-lacunosum-moleculare (O-LM) interneurons (INs), and the postsynaptic responses show robust short-term facilitation, whereas the release from the same presynaptic axons onto fast-spiking INs (FSINs) is ~10-fold higher and the excitatory postsynaptic currents (EPSCs) display depression...
April 30, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38656984/suppressing-the-thermal-quenching-effect-via-a-cluster-conformer-in-copper-i-iodide-coordination-polymeric-phosphors-for-high-power-white-led-lighting
#2
JOURNAL ARTICLE
Bin Wang, Yuzhe Fu, Yi Shen, Pingping Wang, Yang Chen, Fan Feng, Zhong Xu, Wei Huang, Dayu Wu
High-power LED lighting is a crucial challenge due to the notorious thermal quenching (TQ) effect of traditional phosphors at high operating currents, which would result in poor device performance and hamper practical optoelectronic application. Herein, we demonstrate ligand engineering of a cubane- versus staircase-like [Cu4 I4 ] conformer as a node in coordination polymers, which remarkably suppresses the TQ effect of cluster-based photoluminescence. For complex 1 (the formula [Cu4 I4 (bbimb)2 ] n ) with the cubane-like [Cu4 I4 ] conformer as a node, the metallophilicity interaction enables ultrabright triplet emission with a photoluminescence quantum yield over 82%, and the phonon-assisted detrapping process of excitons effectively suppresses the TQ effect in the wide temperature range...
April 24, 2024: Inorganic Chemistry
https://read.qxmd.com/read/38656654/chromatographic-purification-of-c-phycocyanin-from-spirulina-platensis-assessing-antioxidant-activity-and-stability
#3
JOURNAL ARTICLE
Yonca Duman, Gamze Tufan
BACKGROUND: Efficient separation and purification of proteins like C-phycocyanin (C-PC) from Spirulina platensis are essential for their commercialization, yet remain challenging. This study investigates three chromatographic methods: weak anion exchange chromatography (DEAE), strong anion exchange chromatography (Q Sepharose), and hydrophobic interaction chromatography (HIC) for C-PC purification. RESULTS: DEAE chromatography achieved a recovery of 36.80 mg unit (57...
April 24, 2024: Journal of the Science of Food and Agriculture
https://read.qxmd.com/read/38656229/relationship-between-circulating-fsh-levels-and-body-composition-and-bone-health-in-patients-with-prostate-cancer-who-undergo-androgen-deprivation-therapy-the-blade-study
#4
JOURNAL ARTICLE
Marco Bergamini, Alberto Dalla Volta, Carlotta Palumbo, Stefania Zamboni, Luca Triggiani, Manuel Zamparini, Marta Laganà, Luca Rinaudo, Nunzia Di Meo, Irene Caramella, Roberto Bresciani, Francesca Valcamonico, Paolo Borghetti, Andrea Guerini, Davide Farina, Alessandro Antonelli, Claudio Simeone, Gherardo Mazziotti, Alfredo Berruti
BACKGROUND: Among its extragonadal effects, follicle-stimulating hormone (FSH) has an impact on body composition and bone metabolism. Since androgen deprivation therapy (ADT) has a profound impact on circulating FSH concentrations, this hormone could potentially be implicated in the changes of fat body mass (FBM), lean body mass (LBM), and bone fragility induced by ADT. The objective of this study is to correlate FSH serum levels with body composition parameters, bone mineral density (BMD), and bone turnover markers at baseline conditions and after 12 months of ADT...
April 24, 2024: ELife
https://read.qxmd.com/read/38655721/improving-the-estimation-accuracy-of-confined-vapor-liquid-equilibria-by-fine-tuning-the-pure-component-parameter-in-the-pc-saft-equation-of-state
#5
JOURNAL ARTICLE
Aliakbar Roosta, Sohrab Zendehboudi, Nima Rezaei
We propose a thermodynamic model that combines the Young-Laplace equation and perturbed chain-statistical associating fluid theory (PC-SAFT) equation of state to estimate capillary condensation pressure in microporous and mesoporous sorbents. We adjust the PC-SAFT dispersion-energy parameter when the pore size becomes comparable to the molecular dimension. This modelling framework is applied to diverse systems containing associating and non-associating gases, various sorbents, and a wide range of temperatures...
April 24, 2024: Physical Chemistry Chemical Physics: PCCP
https://read.qxmd.com/read/38655663/the-lat1-inhibitor-jph203-suppresses-the-growth-of-castration-resistant-prostate-cancer-through-a-cd24-mediated-mechanism
#6
JOURNAL ARTICLE
Shinpei Saito, Keisuke Ando, Shinichi Sakamoto, Minhui Xu, Yasutaka Yamada, Junryo Rii, Sanji Kanaoka, Jiaxing Wei, Xue Zhao, Sangjon Pae, Manato Kanesaka, Yusuke Goto, Tomokazu Sazuka, Yusuke Imamura, Yoshie Reien, Norie Hamaguchi-Suzuki, Shota Saito, Yuri Hirayama, Hirofumi Hashimoto, Yoshikatsu Kanai, Tomohiko Ichikawa, Naohiko Anzai
L-type amino acid transporter 1 (LAT1) is specifically expressed in many malignancies, contributes to the transport of essential amino acids, such as leucine, and regulates the mammalian target of rapamycin (mTOR) signaling pathway. We investigated the expression profile and functional role of LAT1 in prostate cancer using JPH203, a specific inhibitor of LAT1. LAT1 was highly expressed in castration-resistant prostate cancer (CRPC) cells, including C4-2 and PC-3 cells, but its expression level was low in castration-sensitive LNCaP cells...
April 24, 2024: Cancer Science
https://read.qxmd.com/read/38654827/molecular-layer-disinhibition-unlocks-climbing-fiber-instructed-motor-learning-in-the-cerebellum
#7
Ke Zhang, Zhen Yang, Michael A Gaffield, Garrett G Gross, Don B Arnold, Jason M Christie
Climbing fibers supervise cerebellar learning by providing signals to Purkinje cells (PCs) that instruct adaptive changes to mistakenly performed movements. Yet, climbing fibers are regularly active, even during well performed movements, suggesting that a mechanism dynamically regulates the ability of climbing fibers to induce corrective plasticity in response to motor errors. We found that molecular layer interneurons (MLIs), whose inhibition of PCs powerfully opposes climbing-fiber-mediated excitation, serve this function...
August 4, 2023: bioRxiv
https://read.qxmd.com/read/38653898/rasch-validation-of-the-short-form-8-item-pc-qol-questionnaire-and-applicability-of-use-as-a-health-state-classification-system-for-a-new-preference-based-measure
#8
JOURNAL ARTICLE
Jack M Roberts, Anne B Chang, Vikas Goyal, Nitin Kapur, Julie M Marchant, Steven M McPhail, Sanjeewa Kularatna
BACKGROUND: The parent-proxy paediatric chronic cough quality of life questionnaire (PC-QoL) is a commonly used measure of spillover quality of life in parents of children with chronic cough. To date, spillover health utility in these parents is not routinely estimated largely due to the lack of a suitable instrument. Their perspective is not included in economic evaluations of interventions for their children. We explored developing a health state classification system based on the PC-QoL for measuring health utility spill over in this population...
April 23, 2024: Quality of Life Research
https://read.qxmd.com/read/38653393/sophorin-mitigate-flutamide-induced-hepatotoxicity-in-wistar-rats
#9
JOURNAL ARTICLE
Rishi Sharma, Md Meraj Ansari, Manzar Alam, Mohammad Fareed, Nemat Ali, Anas Ahmad, Sarwat Sultana, Rehan Khan
Flutamide is frequently used in the management of prostate cancer, hirsutism, and acne. It is a non-steroidal anti-androgenic drug and causes hepatotoxicity. The current study's objective is to evaluate sophorin's hepatoprotective effectiveness against flutamide-induced hepatotoxicity in Wistar rats. Sophorin is a citrus flavonoid glycoside, also known as rutin, which is a low molecular weight polyphenolic compound with natural antioxidant properties and reported to have promising hepatoprotective efficacy...
April 21, 2024: Toxicon: Official Journal of the International Society on Toxinology
https://read.qxmd.com/read/38653312/vergence-accommodation-conflict-increased-presbyopia-in-virtual-reality
#10
JOURNAL ARTICLE
Ying-Yin Huang, Marino Menozzi, Chia-Yen Lee
BACKGROUND: Performance and symptoms in completing a visual search task on a PC monitor and using a head-mounted display (HMD) were compared for different viewing conditions and between users of different ages. PATIENTS AND METHODS: Twenty-three young (M = 30 y, SD = 7 y) and 23 older (M = 52 y, SD = 5 y) participants performed a visual search task presented on a PC monitor. The task was repeated using an HMD for a near and a far virtual viewing distance...
April 2024: Klinische Monatsblätter Für Augenheilkunde
https://read.qxmd.com/read/38653213/interaction-effects-between-the-main-components-of-protein-rich-biomass-during-microwave-assisted-pyrolysis
#11
JOURNAL ARTICLE
Cheng Hou, Chenxi Zhou, Nan Li, Yuanbo Song, Xiaogang You, Jiang Zhao, Xuefei Zhou, Zheng Shen, Yalei Zhang
The interaction effects between the main components (proteins (P), carbohydrates (C), and lipids (L)) of protein-rich biomass during microwave-assisted pyrolysis were investigated in depth with an exploration of individual pyrolysis and copyrolysis (PC, PL, and CL) of model compounds. The average heating rate of P was higher than those of C and L, and the interactions in all copyrolysis groups reduced the max instant heating rate. The synergistic extent ( S ) of PC and PL for bio-oil yield was 16.78 and 18...
April 23, 2024: Environmental Science & Technology
https://read.qxmd.com/read/38653112/engineering-the-protein-corona-strategies-effects-and-future-directions-in-nanoparticle-therapeutics
#12
REVIEW
Tianyu Zhao, Mingli Ren, Jiajie Shi, Haijiao Wang, Jing Bai, Wenli Du, Bai Xiang
Nanoparticles (NPs) serve as versatile delivery systems for anticancer, antibacterial, and antioxidant agents. The manipulation of protein-NP interactions within biological systems is crucial to the application of NPs in drug delivery and cancer nanotherapeutics. The protein corona (PC) that forms on the surface of NPs is the interface between biomacromolecules and NPs and significantly influences their pharmacokinetics and pharmacodynamics. Upon encountering proteins, NPs undergo surface alterations that facilitate their clearance from circulation by the mononuclear phagocytic system (MPS)...
April 22, 2024: Biomedicine & Pharmacotherapy
https://read.qxmd.com/read/38653016/sustainable-development-goals-health-related-indicators-for-brazil-and-ecuador-an-analysis-for-the-period-of-1990-2019
#13
JOURNAL ARTICLE
D C Malta, N Romero-Sandoval, L S de M Cardoso, P Arcos, M Gualán, J M Pescarini, E B Brickley, G A Veloso, R T I Bernal, C S Gomes, L R F S Kerr, M Naghavi, P J Cooper, M L Barreto, A H Leyland
OBJECTIVE: This article aims to analyse the evolution of 40 Sustainable Development Goals' (SDGs) health-related indicators in Brazil and Ecuador from 1990 to 2019. STUDY DESIGN: Epidemiological study of long-term trends in 40 SDGs' health-related indicators for Brazil and Ecuador from 1990 to 2019, using estimates from the Global Burden of Disease Study. METHODS: Forty SDGs' health-related indicators and an index from 1990 to 2017 for Brazil and Ecuador, and their projections up to 2030 were extracted from the Institute for Health Metrics and Evaluation's Global Burden of Disease website and analysed...
April 22, 2024: Public Health
https://read.qxmd.com/read/38652990/incidence-of-microplastic-contamination-in-fishes-of-the-ramsar-wetland-loktak-the-world-s-only-floating-lake-from-the-indian-himalayan-region
#14
JOURNAL ARTICLE
Pallabi Borah, Naphibaniarlin Kshiar, Demsai Reang, Arun Jyoti Nath, Kushal Kumar Baruah
Microplastics are ubiquitous, and their widespread prevalence in the ecosphere has generated concerns about their potential effects on terrestrial and aquatic organisms. However, studies pertaining to ecologically sensitive freshwater ecosystems, such as Ramsar wetlands, is scarce. Therefore, the study was conducted in Loktak, the world's only floating lake, and one of the largest wetland in the Indian Himalayan region. The wetland's degradation and pollution have resulted its inclusion in the Montreux Record, underscoring the need for studying this eco-sensitive freshwater system...
April 22, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38652305/comparative-analysis-of-effect-of-culture-conditions-on-growth-and-c-phycocyanin-production-in-helical-and-linear-spirulina
#15
COMPARATIVE STUDY
Ibtissam Lijassi, Fadia Arahou, Zineb Mansouri, Anass Wahby, Laila Rhazi, Imane Wahby
Spirulina (Arthrospira and Spirulina spp.) has always been characterized by the helical trichomes, despite the existence of linear forms. A great debate is now open on the morphological flexibility of Spirulina, but it seems that both trichome morphology and C-phycocyanin (C-PC) concentrations are influenced by the culture conditions.This work compared the effect of some key growth factors (medium pH as well as its carbon, potassium, and salt contents) on the growth and C-PC concentration of helical and linear Spirulina strains...
April 23, 2024: Current Microbiology
https://read.qxmd.com/read/38652297/to-compare-the-recovery-rates-of-modified-epley-s-against-semont-s-manoeuvres-in-patients-with-posterior-canal-benign-paroxysmal-positional-vertigo-a-randomized-clinical-trial
#16
JOURNAL ARTICLE
Bandana Thakur, Poonam Raj, Kamalpreet Singh, Viswanathan Anand
INTRODUCTION: Benign paroxysmal positional vertigo (BPPV) is one of the commonest causes of peripheral vertigo. It is treated with various canalolith repositioning manoeuvres by changing the head positions to allow the otoconial debris to fall back from the affected canal back to the utricle. The present study has compared the rate of recovery of vertigo with modified Epley's manoeuvres as compared to Semont's manoeuvre in patients with posterior canal BPPV. MATERIALS AND METHODS: One hundred and seventy patients diagnosed by positive Dix-Hallpike test as posterior canal BPPV were included in this clinical trial...
April 23, 2024: European Archives of Oto-rhino-laryngology
https://read.qxmd.com/read/38652124/magnetic-resonance-elastography-mre-outperforms-acoustic-force-radiation-impulse-arfi-in-predicting-oesophageal-varices-in-obese-nafld-cirrhosis
#17
JOURNAL ARTICLE
Akash Roy, Nipun Verma, Surabhi Jajodia, Usha Goenka, Awanish Tiwari, Nikhil Sonthalia, Mahesh Goenka
PURPOSE: Liver stiffness measurement (LSM) by transient elastography has been shown to underperform in high-risk varices (HRVs) prediction in obese non-alcoholic fatty liver disease (NAFLD) compensated cirrhosis (CC). LSM by magnetic resonance elastography (MRE) and acoustic force radiation impulse (ARFI) has been shown to be useful in prediction of oesophageal varices (EVs), but has limited evidence in obese NAFLD-CC. METHODS: Obese patients with NAFLD-CC who underwent MRE and ARFI for LSM and endoscopy for screening of varices were enrolled...
April 23, 2024: Abdominal Radiology
https://read.qxmd.com/read/38651377/spin-dynamics-phenomena-of-a-cerium-iii-double-decker-complex-induced-by-intramolecular-electron-transfer
#18
JOURNAL ARTICLE
Kana Kobayashi, Michiyuki Suzuki, Tetsu Sato, Yoji Horii, Takefumi Yoshida, Brian K Breedlove, Masahiro Yamashita, Keiichi Katoh
Switchable spin dynamic properties in single-molecule magnets (SMMs) via an applied stimulus have applications in single-molecule devices. Many SMMs containing heavy lanthanoid ions with strong uniaxial magnetic anisotropy have been reported to exhibit SMM characteristics in the absence of an external magnetic field. On the other hand, SMMs containing light lanthanoid cerium(III) (Ce3+ ) ions exhibit field-induced slow magnetic relaxation. We investigated the chemical conversion of a diamagnetic Ce4+ ion (4f0 ) to a paramagnetic Ce3+ ion (4f1 ) in Ce-phthalocyaninato double-decker complexes (TBA+ [Ce(obPc)2 ]- (1) and TBA+ [Ce(Pc)2 ]- (2)) which exhibit field-induced SMM behaviour due to a 4f1 system...
April 23, 2024: Dalton Transactions: An International Journal of Inorganic Chemistry
https://read.qxmd.com/read/38651232/high-pressure-field-induced-synthesis-of-ultrafine-sized-high-entropy-compounds-with-excellent-sodium-ion-storage
#19
JOURNAL ARTICLE
Ming Liang, Haonan Xie, Biao Chen, Hongye Qin, Hanwen Zhang, Jingyi Wang, Junwei Sha, Liying Ma, Enzuo Liu, Jianli Kang, Chunsheng Shi, Fang He, Xiaopeng Han, Wenbin Hu, Naiqin Zhao, Chunnian He
Emerging high entropy compounds (HECs) have attracted huge attention in electrochemical energy-related applications. The features of ultrafine size and carbon incorporation show great potential to boost the ion-storage kinetics of HECs. However, they are rarely reported because high-temperature calcination tends to result in larger crystallites, phase separation, and carbon reduction. Herein, using the NaCl self-assembly template method, by introducing a high-pressure field in the calcination process, the atom diffusion and phase separation are inhibited for the general formation of HECs, and the HEC aggregation is inhibited for obtaining ultrafine size...
April 23, 2024: Angewandte Chemie
https://read.qxmd.com/read/38651065/evaluation-of-bacterial-safety-approaches-of-platelet-blood-concentrates-bacterial-screening-and-pathogen-reduction
#20
REVIEW
Mohammad Reza Rezvany, Amin Moradi Hasan-Abad, Ali Sobhani-Nasab, Mohammad Ali Esmaili
This mini-review analyzed two approaches to screening bacterial contamination and utilizing pathogen reduction technology (PRT) for Platelet concentrates (PCs). While the culture-based method is still considered the gold standard for detecting bacterial contamination in PCs, efforts in the past two decades to minimize transfusion-transmitted bacterial infections (TTBIs) have been insufficient to eliminate this infectious threat. PRTs have emerged as a crucial tool to enhance safety and mitigate these risks...
2024: Frontiers in Medicine
keyword
keyword
24621
1
2
Fetch more papers »
Fetching more papers... Fetching...
Remove bar
Read by QxMD icon Read
×

Save your favorite articles in one place with a free QxMD account.

×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"

We want to hear from doctors like you!

Take a second to answer a survey question.