Results 51 to 60 of about 2,777 (239)

IGF‐1 Deficiency Serves as an Integrated Biomarker Pathogenic Driver and Predictor in Poor Ovarian Response

open access: yesAdvanced Science, EarlyView.
IGF‐1 deficiency underlies poor ovarian response (POR), as reduced levels in follicular fluid and granulosa cells impair antral follicle formation and compromise reproductive outcomes. Including IGF‐1 as a biomarker significantly enhances the accuracy of models predicting both PORrisk and pregnancy success.
Zhu Hu   +9 more
wiley   +1 more source

Modern and Ancient Genomes Reveal Neolithic Paternal Expansions of Millet and Rice Farmers and Demic Diffusion from China into Mainland Southeast Asia

open access: yesAdvanced Science, EarlyView.
This study clarifies the genetic patterns of paternal lineages across East Asia and Mainland Southeast Asia. Han populations are relatively homogeneous, whereas southern ethnolinguistic minorities display regional structures. Shared Y‐chromosome lineages indicate Neolithic expansions and extensive north‐south gene flow, supporting demic diffusion ...
Yunhui Liu   +15 more
wiley   +1 more source

Adult Sex Ratio as a Demographic Feedback Linking Mating Systems, Parental Care, and Evolution

open access: yesAdvanced Science, EarlyView.
Breeding systems are some of the most diverse social behavior, and our team is investigation the evolutionary causes of this diversity. This review summarises our research carried out at the University of Bath. We argue that demographic components of wild populations, especially the adult sex ratio, plays a key role driving breeding system variation ...
Tamás Székely, Oscar G. Miranda
wiley   +1 more source

Repeated Disuse Atrophy Imprints a Molecular Memory in Skeletal Muscle: Transcriptional Resilience in Young Adults and Susceptibility in Aged Muscle

open access: yesAdvanced Science, EarlyView.
Repeated disuse imprints a molecular memory in skeletal muscle, conferring transcriptional resilience in young adults but exaggerated susceptibility in aged muscle, driven by epigenetic regulation of aerobic metabolism, mitochondrial and NAD+ pathways.
Daniel C. Turner   +14 more
wiley   +1 more source

Versatile DNA Hydrogel‐Mediated Delivery of Ginsenoside‐Encapsulated Small Extracellular Vesicles to Boost Diabetic Wound Repair

open access: yesAdvanced Science, EarlyView.
This study presents a DNA hydrogel‐mediated delivery system, in which ginsenoside (GS) molecules are incorporated into small extracellular vesicles (sEV) secreted by mesenchymal stem cells (MSCs) and the formed complexes are then anchored in DNA hydrogels via aptamer‐CD63 affinity as “GS/sEV@DNAgels”, to improve diabetic wound repair.
Jianming Xing   +14 more
wiley   +1 more source

Mujeres con VIH y SIDA y su adherencia: un análisis de la política pública desde los determinantes sociales de la salud.

open access: yesCadernos Ibero-Americanos de Direito Sanitário, 2014
El presente artículo objetiva analizar la gestión de la política pública dirigida a la atención de los determinantes sociales de la salud, que inciden en la adherencia al tratamiento antirretroviral en mujeres con VIH/SIDA de la Clínica del Hospital San ...
Catalina Méndez Ávila   +1 more
doaj   +3 more sources

18β‐Glycyrrhetinic Acid and a Nano‐Liposomal Formulation Alleviate Depression‐Like Behaviors via the Microglial mTOR‐Autophagy‐NLRP3 Axis

open access: yesAdvanced Science, EarlyView.
Using a novel zebrafish‐based inflammatory screening strategy, we screened and identified 18β‐glycyrrhetinic acid (18β‐GA) as a promising anti‐inflammatory candidate. We uncover a microglial mTOR–autophagy–NLRP3 axis that constitutes the mechanistic core of 18β‐GA–mediated neuroprotection.
Hua Gan   +11 more
wiley   +1 more source

Determinantes sociales en salud

open access: yes, 2017
Si bien la salud es un derecho universal de todos los peruanos, en el año 2016 se encuentran paradojas que agigantan las brechas económicas y sociales en el país. Según el INEI, de cada diez ciudadanos, cuatro no cuentan seguros de salud (públicos o privados).
Cárdenas, Enrique   +3 more
openaire   +1 more source

Contribuciones parafiscales: Factor determinante para la seguridad social

open access: yesRevista de Ciencias Sociales, 2018
Las contribuciones parafiscales reciben las más variadas nominaciones del derecho positivo, tales como tasas, contribuciones, aportes, cotizaciones, derechos, entre otras, así, la seguridad social ha jugado un papel trascendental a lo largo de la historia, convirtiéndose en una política pública destinada a proteger integralmente a los habitantes de un ...
Milagros Villasmil-Molero   +3 more
openaire   +1 more source

Los determinantes sociales de la salud en la etapa neoliberal: un abordaje de las desigualdades desde la economía política

open access: yesEnsayos de Economía, 2021
Los determinantes sociales explican la mayor parte de las inequidades de salud. Uno de los principales determinantes que identifica la Organización Mundial de la Salud es la desigual distribución de los ingresos.
Mariano Treacy
doaj  

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