keyword
https://read.qxmd.com/read/38657285/a-3d-printed-ultra-short-dental-implant-based-on-lattice-structures-and-zirconia-ca-2-sio-4-combination
#1
JOURNAL ARTICLE
Ahmed Binobaid, Ahmet Guner, Josette Camilleri, Amaia Jiménez, Khamis Essa
Additive Manufacturing (AM) enables the generation of complex geometries and controlled internal cavities that are so interesting for the biomedical industry due to the benefits they provide in terms of osseointegration and bone growth. These technologies enable the manufacturing of the so-called lattice structures that are cells with different geometries and internal pores joint together for the formation of scaffold-type structures. In this context, the present paper analyses the feasibility of using diamond-type lattice structures and topology optimisation for the re-design of a dental implant...
April 21, 2024: Journal of the Mechanical Behavior of Biomedical Materials
https://read.qxmd.com/read/38657281/high-performance-as-cast-organic-solar-cells-enabled-by-a-refined-double-fibril-network-morphology-and-improved-dielectric-constant-of-active-layer
#2
JOURNAL ARTICLE
Yanan Wei, Xianmin Zhou, Yunhao Cai, Yun Li, Siying Wang, Zhen Fu, Rui Sun, Na Yu, Congqi Li, Kexin Huang, Zhaozhao Bi, Xin Zhang, Yinhua Zhou, Xiaotao Hao, Jie Min, Zheng Tang, Wei Ma, Yanming Sun, Hui Huang
High performance organic solar cells (OSCs) are usually realized by using thermal post-treatment and/or additive, which can induce the formation of metastable morphology, leading to unfavorable device stability. In terms of the industrial production, the development of high efficiency as-cast OSCs is crucially important, but it remains a great challenge to obtain appropriate active layer morphology and high power conversion efficiency (PCE). Here, efficient as-cast OSCs are constructed via introducing a new polymer acceptor PY-TPT with a high dielectric constant into the D18:L8-BO blend to form a double-fibril network morphology...
April 24, 2024: Advanced Materials
https://read.qxmd.com/read/38657270/welcoming-the-era-of-gene-editing-in-medicine
#3
JOURNAL ARTICLE
George Q Daley
No abstract text is available yet for this article.
April 24, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657269/extending-gene-medicines-to-all-in-need
#4
EDITORIAL
Joseph M McCune, Hans-Peter Kiem
No abstract text is available yet for this article.
April 24, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657266/membrane-fusion-liposomes-deliver-antifibrotic-and-chemotherapeutic-drugs-sequentially-to-enhance-tumor-treatment-efficacy-by-reshaping-tumor-microenvironment
#5
JOURNAL ARTICLE
Nan Jia, Qi Wang, Wenpan Li, Dawei Chen, Haiyang Hu
The intricate tumor microenvironment in triple-negative breast cancer (TNBC) hampers chemotherapy and immunotherapy efficacy due to dense extracellular matrix (ECM) by tumor-associated fibroblasts (TAFs). Nanoparticle-based therapies, especially "all in one" nanoparticles, have shown great potential in combined drug delivery strategies to reshape the tumor microenvironment and enhance therapeutic efficiency. However, these "all in one" nanoparticles suffer from limitations in targeting different target cells, uncontrollable dosing ratio, and disregarding the impact of delivery schedules...
April 24, 2024: Advanced Healthcare Materials
https://read.qxmd.com/read/38657265/exagamglogene-autotemcel-for-transfusion-dependent-%C3%AE-thalassemia
#6
JOURNAL ARTICLE
Franco Locatelli, Peter Lang, Donna Wall, Roland Meisel, Selim Corbacioglu, Amanda M Li, Josu de la Fuente, Ami J Shah, Ben Carpenter, Janet L Kwiatkowski, Markus Mapara, Robert I Liem, Maria Domenica Cappellini, Mattia Algeri, Antonis Kattamis, Sujit Sheth, Stephan Grupp, Rupert Handgretinger, Puja Kohli, Daoyuan Shi, Leorah Ross, Yael Bobruff, Christopher Simard, Lanju Zhang, Phuong Khanh Morrow, William E Hobbs, Haydar Frangoul
BACKGROUND: Exagamglogene autotemcel (exa-cel) is a nonviral cell therapy designed to reactivate fetal hemoglobin synthesis through ex vivo clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 gene editing of the erythroid-specific enhancer region of BCL11A in autologous CD34+ hematopoietic stem and progenitor cells (HSPCs). METHODS: We conducted an open-label, single-group, phase 3 study of exa-cel in patients 12 to 35 years of age with transfusion-dependent β-thalassemia and a β0 /β0 , β0 /β0 -like, or non-β0 /β0 -like genotype...
April 24, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657249/car-as-booster-to-launch-allogeneic-transplantation-in-refractory-leukemia
#7
EDITORIAL
Didier Blaise
No abstract text is available yet for this article.
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657248/case-13-2024-a-27-year-old-man-with-leg-weakness
#8
JOURNAL ARTICLE
Andrew S Allegretti, Cynthia L Czawlytko, Nikolaos Stathatos, Peter M Sadow
No abstract text is available yet for this article.
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657247/drug-induced-oxidative-hemolysis
#9
REVIEW
Wing Kit Lam, Sze Fai Yip
No abstract text is available yet for this article.
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657246/age-related-hearing-loss
#10
REVIEW
Frank R Lin
No abstract text is available yet for this article.
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657245/nutritional-support-for-moderate-to-late-preterm-infants-a-randomized-trial
#11
RANDOMIZED CONTROLLED TRIAL
Tanith Alexander, Sharin Asadi, Michael Meyer, Jane E Harding, Yannan Jiang, Jane M Alsweiler, Mariana Muelbert, Frank H Bloomfield
BACKGROUND: Most moderate-to-late-preterm infants need nutritional support until they are feeding exclusively on their mother's breast milk. Evidence to guide nutrition strategies for these infants is lacking. METHODS: We conducted a multicenter, factorial, randomized trial involving infants born at 32 weeks 0 days' to 35 weeks 6 days' gestation who had intravenous access and whose mothers intended to breast-feed. Each infant was assigned to three interventions or their comparators: intravenous amino acid solution (parenteral nutrition) or dextrose solution until full feeding with milk was established; milk supplement given when maternal milk was insufficient or mother's breast milk exclusively with no supplementation; and taste and smell exposure before gastric-tube feeding or no taste and smell exposure...
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657244/sequential-cd7-car-t-cell-therapy-and-allogeneic-hsct-without-gvhd-prophylaxis
#12
JOURNAL ARTICLE
Yongxian Hu, Mingming Zhang, Tingting Yang, Zhuomao Mo, Guoqing Wei, Ruirui Jing, Houli Zhao, Rongrong Chen, Cheng Zu, Tianning Gu, Pingnan Xiao, Ruimin Hong, Jingjing Feng, Shan Fu, Delin Kong, Huijun Xu, Jiazhen Cui, Simao Huang, Bin Liang, Xiaolin Yuan, Qu Cui, Hongshan Guo, Yunxian Yu, Youqin Feng, Chunxiang Jin, Jiangtao Ren, Alex H Chang, Dongrui Wang, He Huang
BACKGROUND: Patients with relapsed or refractory hematologic cancers have a poor prognosis. Chimeric antigen receptor (CAR) T-cell therapy as a bridge to allogeneic hematopoietic stem-cell transplantation (HSCT) has the potential for long-term tumor elimination. However, pre-HSCT myeloablation and graft-versus-host disease (GVHD) prophylaxis agents have toxic effects and could eradicate residual CAR T cells and compromise antitumor effects. Whether the integration of CAR T-cell therapy and allogeneic HSCT can preserve CAR T-cell function and improve tumor control is unclear...
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657243/car-t-cells-and-safety-signals-itt-episode-29
#13
JOURNAL ARTICLE
(no author information available yet)
No abstract text is available yet for this article.
April 25, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657241/the-public-good-on-the-docket-the-supreme-court-s-evolving-approach-to-public-health
#14
JOURNAL ARTICLE
Joshua M Sharfstein, Lawrence O Gostin
No abstract text is available yet for this article.
April 24, 2024: New England Journal of Medicine
https://read.qxmd.com/read/38657227/an-integrated-mhealth-app-for-smoking-cessation-in-black-smokers-with-hiv-protocol-for-a-randomized-controlled-trial
#15
RANDOMIZED CONTROLLED TRIAL
Andre Bizier, Arielle Jones, Michael Businelle, Krista Kezbers, Bettina B Hoeppner, Thomas P Giordano, Jessica M Thai, Jacqueline Charles, Audrey Montgomery, Matthew W Gallagher, Marshall K Cheney, Michael Zvolensky, Lorra Garey
BACKGROUND: Black adults who smoke and have HIV experience immense stressors (eg, racial discrimination and HIV stigma) that impede smoking cessation success and perpetuate smoking-related health disparities. These stressors also place Black adults who smoke and have HIV at an increased risk of elevated interoceptive stress (eg, anxiety and uncomfortable bodily sensations) and smoking to manage symptoms. In turn, this population is more likely to smoke to manage interoceptive stress, which contributes to worse HIV-related outcomes in this group...
April 24, 2024: JMIR Research Protocols
https://read.qxmd.com/read/38657217/volumetric-analysis-of-peri-implant-tissue-change-over-time-validating-an-innovative-3d-method
#16
JOURNAL ARTICLE
Maria Ligoutsikou, Hyeonjong Lee, Philippe Mojon, Nishant Yadev, Colin Campbell, Irena Sailer
PURPOSE: To validate an innovative 3D volumetric method of evaluating tissue changes proposed by Lee et al in 2020 by comparing the results of this method-in which the scanned peri-implant surfaces were transformed, visualized, and analyzed as 3D objects-to the results reported by an existing method based on calculation of the mean distance between measured surfaces. The null hypothesis was that there was no statistically significant difference between the two methods. Additionally, the present study evaluated peri-implant tissue changes 5 years after single implant placement in the esthetic zone...
April 24, 2024: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/38657210/engaging-alkenes-in-metallaphotoredox-a-triple-catalytic-radical-sorting-approach-to-olefin-alcohol-cross-coupling
#17
JOURNAL ARTICLE
Qinyan Cai, Iona M McWhinnie, Nathan W Dow, Amy Y Chan, David W C MacMillan
Metallaphotoredox cross-coupling is a well-established strategy for generating clinically privileged aliphatic scaffolds via single-electron reactivity. Correspondingly, expanding metallaphotoredox to encompass new C( sp 3 )-coupling partners could provide entry to a novel, medicinally relevant chemical space. In particular, alkenes are abundant, bench-stable, and capable of versatile C( sp 3 )-radical reactivity via metal-hydride hydrogen atom transfer (MHAT), although metallaphotoredox methodologies invoking this strategy remain underdeveloped...
April 24, 2024: Journal of the American Chemical Society
https://read.qxmd.com/read/38657204/multivariate-mapping-of-low-resilient-neurocognitive-systems-within-and-around-low-grade-gliomas
#18
JOURNAL ARTICLE
Sam Ng, Sylvie Moritz-Gasser, Anne-Laure Lemaitre, Hugues Duffau, Guillaume Herbet
Accumulating evidence suggests that the brain exhibits a remarkable capacity for functional compensation in response to neurological damage, a resilience potential that is deeply rooted in the malleable features of its underlying anatomo-functional architecture. This propensity is particularly exemplified by diffuse low-grade gliomas (DLGGs), a subtype of primary brain tumour. However, functional plasticity is not boundless, and surgical resections directed at structures with limited neuroplasticity may lead to incapacitating impairments...
April 24, 2024: Brain
https://read.qxmd.com/read/38657192/right-brain-the-unraveling
#19
JOURNAL ARTICLE
Nara M Michaelson
"The Unraveling" is a personal reflection from my perspective as a new fellow in Multiple Sclerosis/Neuroimmunology on the impact of multiple sclerosis on patients and their loved ones. I compare my more recent patient encounters with past experiences working with a different, also mostly female, patient population that included those affected by intimate partner violence. Female vulnerability and the spectrum of human suffering serve as common themes throughout. However, my ultimate goal is to empower readers, from trainees to faculty to patients, to overcome their unique challenges in life and help others do the same...
May 2024: Neurology
https://read.qxmd.com/read/38657175/small-molecule-fluorescent-probes-for-binding-and-activity-based-sensing-of-redox-active-biological-metals
#20
REVIEW
Karandeep Grover, Alla Koblova, Aidan T Pezacki, Christopher J Chang, Elizabeth J New
Although transition metals constitute less than 0.1% of the total mass within a human body, they have a substantial impact on fundamental biological processes across all kingdoms of life. Indeed, these nutrients play crucial roles in the physiological functions of enzymes, with the redox properties of many of these metals being essential to their activity. At the same time, imbalances in transition metal pools can be detrimental to health. Modern analytical techniques are helping to illuminate the workings of metal homeostasis at a molecular and atomic level, their spatial localization in real time, and the implications of metal dysregulation in disease pathogenesis...
April 24, 2024: Chemical Reviews
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