Results 161 to 170 of about 5,629,528 (323)

Male crickets in poor condition engage in less same-sex sexual behavior

open access: yesProceedings of the National Academy of Sciences
Same-sex sexual behavior (SSB) is widespread among animals and is often treated as an evolutionary anomaly or mistake. An alternative view is that SSB occurs because individuals have broader or more permissive “mating filters.” A broader filter means directing courtship toward anything that resembles a potential mate, while a narrower filter means ...
Jon Richardson   +2 more
openaire   +2 more sources

Simvastatin Restores Uteroplacental Hemodynamics and Trophoblast Function in Obstetric Antiphospholipid Syndrome in a Placenta‐on‐a‐Chip Model

open access: yesAdvanced Healthcare Materials, EarlyView.
Simvastatin mitigates placental hypoperfusion in OAPS by ameliorating abnormal uteromaternal hemodynamics and enhancing trophoblast invasion via optimized endothelial cell interactions under pathological shear stress, as evidenced by results from a placenta‐on‐a‐chip platform.
Hongli Liu   +10 more
wiley   +1 more source

The impact of perceived school climate and socio-demographic factors on immigrant students’ engagement in China

open access: yesCogent Education
The development of immigrant students requires special attention due to their higher likelihood of encountering challenges. This research investigates how the school climate affects the school engagement of immigrant students, aiming to enhance ...
Huiqi Hu   +5 more
doaj   +1 more source

Paracrine Factor Local Gradient‐Generating System for Engineering Perfusable Vascularized Hepatocyte Tissues with Perfusion‐Induced Proliferation

open access: yesAdvanced Healthcare Materials, EarlyView.
A paracrine factor local gradient (PFLG)‐generating system enables microvessel penetration across 3D hepatocyte tissues. The resulting vascularized constructs recapitulate hepatic sinusoidal hepatocyte—endothelial contact architecture and enhance hepatic functions in vitro.
Yen‐Hsiang Huang   +2 more
wiley   +1 more source

Long term impacts of compensatory preschool on health and behavior: evidence from Head Start [PDF]

open access: yes
This paper provides new estimates of the medium and long-term impacts of Head Start on the health and behavioral problems of its participants. We identify these impacts using discontinuities in the probability of participation induced by program ...
Pedro Carneiro, Rita Ginja
core  

Small Extracellular Vesicles from Neural Cells: Physiological and Pathological Roles, and Potential in Neurodegenerative Therapy

open access: yesAdvanced Healthcare Materials, EarlyView.
Neural cell–derived small extracellular vesicles (sEVs) are emerging as pivotal mediators in neurodegenerative diseases, exerting both pathogenic and therapeutic functions. This review synthesizes current evidence on how sEVs from distinct neural cell types regulate neurodegeneration, neuroprotection, biomarker discovery, and targeted drug delivery ...
Muhammad Waqas Salim   +4 more
wiley   +1 more source

A Successful Multi-Component Program for Expanding Vasectomy Services by MSI Reproductive Choices Bolivia [version 1; peer review: awaiting peer review]

open access: yesGates Open Research
Background Vasectomy use has historically been very low in Bolivia, constituting just 0.1% of the method mix in 2021. MSI Reproductive Choices Bolivia (MSI Bolivia), one of the major reproductive health organizations in the country, sought to increase ...
Ana Cecilia Velasquez Rossi   +5 more
doaj   +1 more source

Renewal through Participation in Global Food Security Governance: Implementing the International Food Security and Nutrition Civil Society Mechanism to the Committee on World Food Security [PDF]

open access: yes, 2012
The food commodity price rises from 2006 to 2008 engendered a period of political renewal and reform in the governance of global food security. The Committee on World Food Security (CFS) was designated as the main international forum dealing with food ...
Barling, D., Duncan, J.
core   +1 more source

Macrophage Membrane‐Cloaked, ROS‐Triggered Quercetin Nanocarriers Target Ovarian Lesions to Treat Polycystic Ovary Syndrome

open access: yesAdvanced Healthcare Materials, EarlyView.
The synthesis process of MM@PCD@QNPs and its potential mechanism for treating PCOS. (A) Assembly steps of MM@PCD@QNPs. (B) Synthesis and decomposition of MM@PCD@QNPs. (C) Potential therapeutic mechanisms of MM@PCD@QNPs for PCOS. PCD, PABP conjugated with DEX polymer; QUR, quercetin; CDI, N, N′‐carbonyldiimidazole; DEX, dextran; PABP, 4‐(hydroxymethyl ...
Wenzhu Li   +9 more
wiley   +1 more source

Nanobody‐Conjugated Theranostic Prodrug Targeting αvβ3 Integrin Enables Precision Cancer Therapy With Real‐Time Imaging

open access: yesAdvanced Healthcare Materials, EarlyView.
The image shows a schematic form a nanobody‐conjugated theranostic prodrug (NBD) platform targeting tumor‐associated αvβ3 integrin. The NBD system integrates selective nanobody‐mediated tumor recognition, glutathione‐responsive disulfide cleavage for doxorubicin release, and aza‐BODIPY‐based near‐infrared fluorescence for real‐time imaging.
Sanu Karan   +13 more
wiley   +1 more source

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