keyword
https://read.qxmd.com/read/38622841/clinical-applications-of-aqueous-angiography-in-glaucoma
#1
JOURNAL ARTICLE
Nitika Beri, Anand Naik Bukke, Ashi Gupta, Alex S Huang, Dewang Angmo, Namrata Sharma, Tanuj Dada
Aqueous humor outflow (AHO) pathways are the main site of resistance causing elevated intraocular pressure in glaucoma, especially primary open-angle glaucoma patients. With the recently introduced technique of aqueous angiography (AA); functional, real time assessment of AHO from proximal (trabecuar meshwork) to distal pathways under physiological conditions has been made possible. AHO pathways are segmental, and AA can identify high-flow region (increased angiographic signals) and low flow region (decreased angiographic signals) in an individual...
April 16, 2024: Indian Journal of Ophthalmology
https://read.qxmd.com/read/38617026/elevated-circulating-procathepsin-l-as-a-potential-biomarker-of-inflamm-aging
#2
JOURNAL ARTICLE
Cassie Shu Zhu, Weiqiang Chen, Xiaoling Qiang, Li Lou, Jianhua Li, Haichao Wang
Inflamm-aging is a condition of low-grade and chronic systemic inflammation characterized by a systemic increase in multiple inflammatory biomarkers such as tumor necrosis factor (TNF), interleukin 6 (IL-6), C-reactive protein (CRP), and CXCL9 (MIG) in experimental and clinical settings. However, despite the recent identification of extracellular procathepsin L (pCTS-L) as a novel mediator of inflammatory diseases such as sepsis, its possible role in inflamm-aging was previously not investigated. In the present study, we compared blood levels of pCTS-L and other 62 cytokines and chemokines between young and aged Balb/C mice by Western blotting and Cytokine Antibody Arrays...
May 2024: Medical Hypotheses
https://read.qxmd.com/read/38612194/the-influence-of-various-welding-methods-on-the-microstructure-and-mechanical-properties-of-316ti-steel
#3
JOURNAL ARTICLE
Piotr Noga, Tomasz Skrzekut, Maciej Wędrychowicz, Marek St Węglowski, Marcel Wiewióra
Austenitic stainless steels are very popular due to their high strength properties, ductility, excellent corrosion resistance and work hardening. This paper presents the test results for joining AISI 316Ti austenitic steel. The technologies used for joining were the most popular welding techniques such as TIG (welding with a non-consumable electrode in the shield of inert gases), MIG (welding with a consumable electrode in the shield of inert gases) as well as high-energy EBW welding (Electron Beam Welding) and plasma PAW (plasma welding)...
April 6, 2024: Materials
https://read.qxmd.com/read/38610744/preserflo%C3%A2-microshunt-1-year-results-of-a-25-gauge-vs-27-gauge-needle-tract
#4
JOURNAL ARTICLE
Stefan Steiner, Hemma Resch, Barbara Kiss, Clemens Vass
Background: The purpose of this study was to evaluate the effectiveness and safety of the PreserFlo™ microshunt (PMS) using a 25-Gauge vs. 27-Gauge needle tract. Methods : This is a prospective postoperative examination of 60 glaucoma eyes that received a PMS. The main outcome measures were intraocular pressure (IOP), glaucoma drug score (GDS), Kaplan-Meier success rates, complications, and secondary intervention rates. Two subgroups were formed for data comparison: 27-Gauge (27G), and 25-Gauge (25G)...
March 29, 2024: Journal of Clinical Medicine
https://read.qxmd.com/read/38607701/istr-mask-embedding-based-instance-segmentation-transformer
#5
JOURNAL ARTICLE
Jie Hu, Yao Lu, Shengchuan Zhang, Liujuan Cao
Transformer-based instance-level recognition has attracted increasing research attention recently due to the superior performance. However, although attempts have been made to encode masks as embeddings into Transformer-based frameworks, how to combine mask embeddings and spatial information for a transformer-based approach is still not fully explored. In this paper, we revisit the design of mask-embedding-based pipelines and propose an Instance Segmentation TRansformer (ISTR) with Mask Meta-Embeddings (MME), leveraging the strengths of transformer models in encoding embedding information and incorporating spatial information from mask embeddings...
April 12, 2024: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://read.qxmd.com/read/38587774/additional-guidance-on-the-use-of-the-preserflo%C3%A2-microshunt-in-the-treatment-of-glaucoma-insights-from-a-second-delphi-consensus-panel
#6
JOURNAL ARTICLE
Anthony P Khawaja, Luís Abegão Pinto, Ingeborg Stalmans, Florent Aptel, Anna Barkander, Keith Barton, Henny Beckers, Milko Iliev, Thomas Klink, Giorgio Marchini, Jose Martínez de la Casa, Karin R Pillunat, Jan H Simonsen, Clemens Vass
INTRODUCTION: The PRESERFLO™ MicroShunt (PMS) has been proven to significantly lower intraocular pressure (IOP) in patients with glaucoma and has been available for use since 2019. With increasing published evidence and growing experience of glaucoma surgeons, the aim of this modified Delphi panel was to build on the findings of a previous Delphi panel conducted in 2021 and provide further guidance on the role of the PMS to treat patients with glaucoma in Europe. METHODS: Thirteen European glaucoma surgeons experienced in the PMS procedure participated in a 3-round modified Delphi panel...
April 8, 2024: Ophthalmology and Therapy
https://read.qxmd.com/read/38572998/low-power-transistors-with-ideal-p-type-ohmic-contacts-based-on-vs-2-wse-2-van-der-waals-heterostructures
#7
JOURNAL ARTICLE
Zenglin Cao, Lin Zhu, Kailun Yao
Achieving low-resistance Ohmic contacts with a vanishing Schottky barrier is crucial for enhancing the performance of two-dimensional (2D) field-effect transistors (FETs). In this paper, we present a theoretical investigation of VS2 /WSe2 -vdWHs-FETs with a gate length ( L g ) in the range of 1-5 nm, using ab initio quantum transport simulations. The results show that a very low hole Schottky barrier height (-0.01 eV) can be achieved with perfect band offsets and reduced metal-induced gap states (MIGS), indicating the formation of p-type Ohmic contacts...
April 4, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38571956/causal-relationship-between-inflammatory-cytokines-and-autoimmune-thyroid-disease-a-bidirectional-two-sample-mendelian-randomization-analysis
#8
JOURNAL ARTICLE
Zhiwei Yao, Fengli Guo, Yanlu Tan, Yiyuan Zhang, Yichen Geng, Guang Yang, Song Wang
BACKGROUND: Autoimmune thyroid disease (AITD) ranks among the most prevalent thyroid diseases, with inflammatory cytokines playing a decisive role in its pathophysiological process. However, the causal relationship between the inflammatory cytokines and AITD remains elusive. METHODS: A two-sample Mendelian randomization (MR) analysis was performed to elucidate the causal connection between AITD and 41 inflammatory cytokines. Genetic variations associated with inflammatory cytokines were sourced from the FinnGen biobank, whereas a comprehensive meta-analysis of genome-wide association studies (GWASs) yielded data on Graves' disease (GD) and Hashimoto thyroiditis...
2024: Frontiers in Immunology
https://read.qxmd.com/read/38568301/fine-scale-clonal-structure-of-the-lingonberry-vaccinium-vitis-idaea-under-the-nurse-plant-pinus-pumila-vegetation-in-an-alpine-region-mt-norikura
#9
JOURNAL ARTICLE
Kensuke Sugimoto, Rio Kawai, Takahiko Koizumi, Ayumi Matsuo, Yoshihisa Suyama, Inoue Mizuki
The nurse effect is a positive interaction in which a nurse plant improves the abiotic environment for another species (beneficiary plant) and facilitates its establishment. The evergreen shrub Vaccinium vitis-idaea (a beneficiary plant) grows mainly under the dwarf shrub Pinus pumila (a nurse plant) in the alpine regions of central Japan. However, whether V. vitis-idaea shrubs under various P. pumila shrubs spread through clonal growth and/or seeds remains unclear. We investigated the clonal structure of V...
April 3, 2024: Journal of Plant Research
https://read.qxmd.com/read/38549055/a-survey-of-perceptions-of-exposure-to-new-technology-in-residents-and-practicing-ophthalmologists
#10
JOURNAL ARTICLE
Elana Meer, Krista Davidson, Kristen Harmon Ingenito, Frank Brodie, Julie M Schallhorn
BACKGROUND: Incorporation of the rapid advances in ophthalmologic surgical and diagnostic techniques inherent in the field poses a challenge to residency training programs. This study investigates exposure to new technologies during residency and perception of its impact on practice patterns. METHODS: Ophthalmology residents at various training levels and practicing ophthalmologists who had completed their training were invited to participate in a survey study assessing exposure to various technologies in residency and in practice...
March 28, 2024: BMC Ophthalmology
https://read.qxmd.com/read/38541079/evaluation-of-the-levels-of-selected-cytokines-and-their-possible-influence-on-the-development-of-cardiovascular-and-pulmonary-complications-in-patients-after-covid-19
#11
JOURNAL ARTICLE
Anita Stanjek-Cichoracka, Jacek T Niedziela, Anna Łaszewska, Zofia Mędrala, Alicja Nowowiejska-Wiewióra, Jacek Kaczmarski, Alicja Grzanka, Mariusz Gąsior
Background and Objectives : The aim of this study was to evaluate the levels of selected cytokines and their possible influence on the development of cardiovascular and pulmonary complications in patients hospitalized at the Silesian Centre for Heart Disease in Zabrze after having undergone COVID-19. Materials and methods : The study included 76 randomly selected patients from the SILCOVID-19 database. The median time from symptom onset to the study visit was 102 (86-118) days. The median age of the study group was 53 (44-60) years...
February 21, 2024: Medicina
https://read.qxmd.com/read/38530724/orthogonal-subspace-representation-generative-adversarial-networks
#12
JOURNAL ARTICLE
Hongxiang Jiang, Xiaoyan Luo, Jihao Yin, Huazhu Fu, Fuxiang Wang
Disentanglement learning aims to separate explanatory factors of variation so that different attributes of the data can be well characterized and isolated, which promotes efficient inference for downstream tasks. Mainstream disentanglement approaches based on generative adversarial networks (GANs) learn interpretable data representation. However, most typical GAN-based works lack the discussion of the latent subspace, causing insufficient consideration of the variation of independent factors. Although some recent research analyzes the latent space on pretrained GANs for image editing, they do not emphasize learning representation directly from the subspace perspective...
March 26, 2024: IEEE Transactions on Neural Networks and Learning Systems
https://read.qxmd.com/read/38527702/demographics-and-characteristics-of-us-based-minimally-invasive-gynecologic-surgery-fellowship-program-directors-a-2023-descriptive-analysis
#13
JOURNAL ARTICLE
Rabab Shahid Isa, Jared Moon, Marian Yvette Williams-Brown, Michael Breen
STUDY OBJECTIVE: Fellowship program directors (FPDs) play an important role in the development of fellows and learners, but little is known about their demographics. This cross-sectional study aims to examine the characteristics of minimally invasive gynecologic surgery (MIGS) FPDs. DESIGN: A retrospective cross-sectional study. SETTING: Data obtained from publicly available information on official websites of the program directors studied...
March 23, 2024: Journal of Minimally Invasive Gynecology
https://read.qxmd.com/read/38520188/the-m2-macrophages-derived-migrasomes-from-the-surface-of-titania-nanotubes-array-as-a-new-concept-for-enhancing-osteogenesis
#14
JOURNAL ARTICLE
Guangwen Li, Yuqi Zhao, Haochen Wang, Yan Zhang, Dongxuan Cai, Yumei Zhang, Wen Song
As a newly discovered substrate anchored extracellular vesicles, migrasomes (Migs) may bring a new opportunity for manipulating target cells bioactivities. In this study, the M2 macrophages derived Migs were obtained by titania nanotubes surface (NTs). Due to the benefits of nanostructured, the NTs surface was not only able to induce RAW264.7 for M2 polarization, but also generated more Migs formation, which could be internalized by following seeded mesenchymal stem cells (MSCs). Then the NTs surface induced Migs were collected by density-gradient centrifugation for MSCs treatment...
March 23, 2024: Advanced Healthcare Materials
https://read.qxmd.com/read/38519027/effectiveness-of-angle-based-minimally-invasive-glaucoma-surgery-after-laser-trabeculoplasty-an-analysis-of-the-iris%C3%A2-registry
#15
JOURNAL ARTICLE
William Mitchell, Shuang-An Yang, Courtney Ondeck, Isabelle Stewart, Yan Zhao, Ana M Roldan, Omar Halawa, Nathan Hall, Tobias Elze, Joan Miller, Alice Lorch, Nazlee Zebardast
OBJECTIVE: Angle-based minimally invasive glaucoma surgery (ab-MIGS) has grown substantially, although long-term efficacy is poorly understood. We analyze ab-MIGS effectiveness with/without preceding laser trabeculoplasty (LTP). DESIGN: Retrospective cohort study SUBJECTS: Eyes undergoing ab-MIGS (Canaloplasty, Goniotomy, Trabectome, iStent) with/without prior SLT (<2 years preceding MIGS) were identified in the IRIS® Registry (Intelligent Research in Sight) 2013-2018...
March 20, 2024: Ophthalmology Glaucoma
https://read.qxmd.com/read/38507680/dissecting-causal-links-between-gut-microbiota-inflammatory-cytokines-and-dlbcl-a-mendelian-randomization-study
#16
JOURNAL ARTICLE
Peiyao Jiang, Fangfang Yu, Xiao Zhou, Huizhong Shi, Qiaomei He, Xianmin Song
Causal relationships between gut microbiota, inflammatory cytokines and diffuse large B-cell lymphoma (DLBCL) remain elusive. In addressing this gap, our Mendelian randomization (MR) study utilized data from the MiBioGen consortium encompassing 211 microbiota taxa (n= 18,340), genome-wide association study (GWAS) meta-analyses of 47 inflammatory cytokines, and DLBCL cases and controls from the FinnGen consortium (cases n = 1010, controls n = 287137). Through bidirectional MR analyses, we examined the causal links between gut microbiota and DLBCL, and employed mediation analyses, including two-step MR and multivariable MR (MVMR), to identify potential mediating inflammatory cytokines...
March 20, 2024: Blood Advances
https://read.qxmd.com/read/38506839/skin-biopsy-detection-of-phosphorylated-%C3%AE-synuclein-in-patients-with-synucleinopathies
#17
JOURNAL ARTICLE
Christopher H Gibbons, Todd Levine, Charles Adler, Bailey Bellaire, Ningshan Wang, Jade Stohl, Pinky Agarwal, Georgina M Aldridge, Alexandru Barboi, Virgilio G H Evidente, Douglas Galasko, Michael D Geschwind, Alejandra Gonzalez-Duarte, Ramon Gil, Mark Gudesblatt, Stuart H Isaacson, Horacio Kaufmann, Pravin Khemani, Rajeev Kumar, Guillaume Lamotte, Andy J Liu, Nikolaus R McFarland, Mitchell Miglis, Adam Reynolds, Gregory A Sahagian, Marie-Helene Saint-Hillaire, Julie B Schwartzbard, Wolfgang Singer, Michael J Soileau, Steven Vernino, Oleg Yerstein, Roy Freeman
IMPORTANCE: Finding a reliable diagnostic biomarker for the disorders collectively known as synucleinopathies (Parkinson disease [PD], dementia with Lewy bodies [DLB], multiple system atrophy [MSA], and pure autonomic failure [PAF]) is an urgent unmet need. Immunohistochemical detection of cutaneous phosphorylated α-synuclein may be a sensitive and specific clinical test for the diagnosis of synucleinopathies. OBJECTIVE: To evaluate the positivity rate of cutaneous α-synuclein deposition in patients with PD, DLB, MSA, and PAF...
March 20, 2024: JAMA
https://read.qxmd.com/read/38505750/the-causal-association-between-circulating-cytokines-with-the-risk-of-frailty-and-sarcopenia-under-the-perspective-of-geroscience
#18
JOURNAL ARTICLE
Congzhi Wang, Jiazhi Wang, Rui Wan, Hiroshi Kurihara, Min Wang
INTRODUCTION: Circulating cytokines were considered to play a critical role in the initiation and propagation of sarcopenia and frailty from observational studies. This study aimed to find the casual association between circulating cytokines and sarcopenia and frailty from a genetic perspective by two-sample Mendelian randomization (MR) analysis. METHODS: Data for 41 circulating cytokines were extracted from the genome-wide association study dataset of 8,293 European participants...
2024: Frontiers in Endocrinology
https://read.qxmd.com/read/38495376/population-genetics-of-sida-fallax-walp-malvaceae-in-the-hawaiian-islands
#19
JOURNAL ARTICLE
Mersedeh Pejhanmehr, Michael Benjamin Kantar, Mitsuko Yorkston, Clifford W Morden
INTRODUCTION: Sida fallax (Malvaceae) is the most widespread and variable taxon of Malvaceae in the Hawaiian Islands, growing with a diversity of morphological forms in different habitats including Midway Atoll, Nihoa, and all the main islands. Morphological variation exists within and among populations. The study aimed to investigate the genetic variation within and among populations from various habitats and geographic locations throughout the Hawaiian range of S. fallax . METHODS: A total of 124 samples, with up to five samples per population where possible, were collected from 26 populations across six of the main Hawaiian Islands (Kaua'i, O'ahu, Maui, Moloka'i, Lāna'i, and Hawai'i) and Nihoa in the Northwestern Hawaiian Islands...
2024: Frontiers in Plant Science
https://read.qxmd.com/read/38494493/minimally-invasive-micro-sclerostomy-mims-procedure-in-the-treatment-of-open-angle-glaucoma
#20
JOURNAL ARTICLE
Lilit Voskanyan, Iqbal Ike K Ahmed, Assaf Gershoni, Edward Barayev, Vahan Papoyan, Astghik Ghazaryan, Oren Bar-Ilan, Alon Zahavi, Yoseph Glovinsky, Noa Geffen
BACKGROUND: To evaluate the safety and efficacy of the Minimally Invasive Micro Sclerotomy (MIMS) procedure in the management of uncontrolled open-angle glaucoma. METHODS: A prospective, open-label, single-arm clinical evaluation with intra-subject comparisons performed at the Ophthalmologic Center after S.V. Malayan, Yerevan, Armenia. Included were adults with primary open-angle glaucoma (OAG) (N = 114) or exfoliative glaucoma (N = 6) who were uncontrolled (IOP > 21) on tolerated topical medication...
March 18, 2024: BMC Ophthalmology
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