Results 51 to 60 of about 780 (142)

Polarized effects of adenosine on blood–brain barrier integrity: Tightening from the luminal and opening from the abluminal side

open access: yesBritish Journal of Pharmacology, Volume 183, Issue 16, Page 4761-4777, August 2026.
Background and Purpose Adenosine as a signalling molecule modifies blood–brain barrier (BBB) tightness in pathological conditions. Our aim was to investigate the direct and polarized effects of adenosine on the BBB using co‐culture and in vivo models. Experimental Approach The expression of adenosine receptors was measured by qRT‐PCR.
András Harazin   +10 more
wiley   +1 more source

Effectiveness of conservation lands in Mexico for safeguarding terrestrial endemic species from the human‐induced extinction crisis

open access: yesConservation Science and Practice, Volume 8, Issue 8, August 2026.
Across 1639 endemic Mexican species, we show that most species' ranges coincide with moderate to high human pressure, while existing conservation lands cover only a small fraction of their distributions. This spatial mismatch indicates that current conservation–land networks are insufficient to prevent future biodiversity loss. Substantial expansion of
Erik Joaquín Torres‐Romero   +6 more
wiley   +1 more source

World Health Organization classification of tumours of the breast 6th edition 2026

open access: yesHistopathology, Volume 89, Issue 2, Page 199-218, August 2026.
The 6th edition of the World Health Organization Classification of Breast Tumours introduces changes based on recent advances in our understanding of breast biology, developments in diagnostic modalities, identification of specific molecular targets and new treatment regimes.
Cecily Quinn   +47 more
wiley   +1 more source

Gobernabilidad y ciudadanía política en las áreas metropolitanas

open access: yesEspiral, 1999
En sentido estricto, en México no existe gobierno metropolitano ni derechos políticos específicos para los habitantes de esos espacios. Pero este tema tiene una importancia de primer orden por el rol político que las grandes ciudades están ...
Juan Manuel Ramírez Sáiz
doaj  

Crecimiento urbano de la Zona Metropolitana del Valle de Toluca

open access: yesProyección
El crecimiento de las zonas metropolitanas presenta una relación socioeconómica y reciproca con la ciudad central, siendo la vivienda uno de sus ejes, sin embargo, la habitabilidad urbana de estas se ve condicionada tanto de los elementos internos que ...
Silvia Andrea Valdez Calva   +1 more
doaj   +1 more source

[COVID-19 mortality in metropolitan areas vs. other regions of Brazil, 2020 to 2021Mortalidad por COVID-19 en las regiones metropolitanas y en el interior de Brasil, 2020-2021]. [PDF]

open access: yesRev Panam Salud Publica, 2023
Araújo MSM   +7 more
europepmc   +1 more source

Una reflexión general sobre las áreas metropolitanas

open access: yesRevista de Estudios de la Administración Local y Autonómica, 2011
José Luis Carro Fernández-Valmayor
doaj   +3 more sources

Excess Systolic Blood Pressure Associated with Fine Particulate Matter Air Pollution above the WHO Guidelines in Brazil. [PDF]

open access: yesArq Bras Cardiol, 2023
Salerno PRVO   +5 more
europepmc   +1 more source

LAS ÁREAS METROPOLITANAS DE CANADÁ: DINÁMICA RECIENTE DE CRECIMIENTO, DISTRIBUCIÓN ESPACIAL Y JERARQUÍA

open access: yesPapeles de Geografí­a, 1992
Una gran parte de la elevada población urbana de Canadá reside en sólo 25 áreas metropolitanas. En el último censo, 1991, superaba el 60 % del total de la población canadiense.
José María Serrano Martínez
doaj  

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