Results 121 to 130 of about 350,286 (305)

Clade‐wide morphological and functional variation of the sauropsid columella

The Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock, Serjoscha W. Evers, Tiago R. Simões, Garth M. Spellman, Daniel J. Field   +4 more
wiley   +1 more source

Early Expansion of Monocytic Myeloid-Derived Suppressor Cells Predicts Survival in Sepsis and Is Possibly Associated With Activation of Endoplasmic Reticulum Stress Pathways

Frontiers in Bioscience-Landmark
Background:Sepsis is characterized by profound immune dysregulation, in which myeloid-derived suppressor cells (MDSCs) serve as key regulators of the host immune response.
Juanli Liu, Tana Wuren, Xiaoyan Song, Xue Sun, Siqing Ma, Rili Ge   +5 more
doaj   +1 more source

Educational and preventive interventions of cardiovascular and neurological diseases in high altitude

, 2022
open.ABSTRACT Obiettivo Scopo della tesi è ricercare i trattamenti e i metodi educativi più efficaci per la prevenzione delle patologie cardiovascolari o neurologiche d’alta quota.
ROSSETTO, ANGELICA
core  

Balancing mechanics and metabolism: Elevational variation in the microanatomy of hummingbird flight muscle

The Anatomical Record, EarlyView.
Abstract Factors varying along elevational gradients impose strong aerodynamic and physiological constraints on powered flight, yet the internal microanatomical variation associated with elevational context in animals under such conditions remains poorly understood.
Juan Camilo Ríos‐Orjuela, Juliana Novoa‐Páramo, Maria Juliana Villalba Patiño, Zayra Viviana Garavito‐Aguilar, Alejandro Rico‐Guevara, Carlos Daniel Cadena   +5 more
wiley   +1 more source

Mechanisms and drug therapy of pulmonary hypertension at high altitude

, 2013
Pulmonary vasoconstriction represents a physiological adaptive mechanism to high altitude. If exaggerated, however, it is associated with important morbidity and mortality.
Allemann, Yves, Scherrer, Urs, Rimoldi, S.F., Sartori, Claudio, Rexhaj, E., Rexhaj, Emrush, Sartori, C., Scherrer, U., Allemann, Y., Rimoldi, Stefano, Allemann Y, Rexhaj E, Rimoldi SF, Sartori C, Scherrer U   +14 more
core   +1 more source

Evaluating Bergmann's and Allen's rules in the long bones of the eastern gray squirrel

The Anatomical Record, EarlyView.
Abstract Ecogeographical rules predict variation in body size and appendage proportions across climatic gradients, yet intraspecific tests using long bones from wild populations remain limited among small mammals. This study tests the hypothesis that eastern gray squirrels (Sciurus carolinensis) conform to Bergmann's rule, that is, body size increases ...
Tyler Blake, Habiba Chirchir
wiley   +1 more source

Hypoxia promotes progression of cervical cancer by modulating the ATXN3-enhanced P53 stability or STAT5 phosphorylation

Cell Death Discovery
This study examines hypoxia’s role in regulating ATXN3 (ATXN3) across cervical cancer subtypes and its impact on tumor progression. We analyzed ATXN3 expression in clinical samples and cell lines (C33A, HeLa, SiHa), assessing proliferation/migration ...
Rong Zhang, Shengjun Chai, Fengjuan Zhang, Jiaming Lai, Rui Wang, Guocai Xu, Xiaoxia Fan, Botong Li, Chunmei Cai   +8 more
doaj   +1 more source

Association Between Plasma N-Acylethanolamides and High Hemoglobin Concentration in Southern Peruvian Highlanders

, 2017
High-altitude (HA) hypoxia is a stressful condition endured by organisms through different mechanisms. Failing to adapt to chronic HA exposure leads to a disease called chronic mountain sickness (CMS) characterized by excessive erythrocytosis (hemoglobin
Dulce E. Alarcón-Yaquetto, Lidia Caballero, Gustavo F. Gonzales, Caballero, L, Gonzales Rengifo, Gustavo Francisco, Caballero, Lidia, Alarcon-Yaquetto, DE, Gonzales, GF, Alarcón Yaquetto, Dulce Esperanza   +8 more
core   +1 more source

Genetic Diversity, Adaptation, Wild Introgression, and Coat Color Mutation of Golden Yak

Animal Research and One Health, EarlyView.
Genetic diversity, adaptation, wild introgression, and coat color mutation of golden yak from two populations on the Qinghai‐Xizang Plateau. ABSTRACT The golden yak lives on the Qinghai‐Xizang Plateau with a golden coat and adapts to high altitudes and strong ultraviolet environment. The golden coat is a prominent phenotype in many domesticated species,
Huixuan Yan, Jialei Chen, Chuzhao Lei, Fengwei Zhang, Shunzhong He, Weiru Song, Hongyan Ma, Shuling Li, Guomei Li, Laba Yongcuo, Jianlin Han, Johannes A. Lenstra, Qiang Zhang, Rende Song, Basang Wangdui, Ningbo Chen   +15 more
wiley   +1 more source

Optimizing Strategies for Non‐Invasive Prospection of Settlements in the Intertidal Zone: A Case Study From the Centre of the Drowned Medieval Village of Tolsende (Scheldt Estuary, the Netherlands)

Archaeological Prospection, EarlyView.
ABSTRACT Medieval and early modern drowned villages in the intertidal zone of the Scheldt estuary (the Netherlands) constitute intriguing yet largely understudied components of north‐western Europe's underwater cultural heritage. Despite their high archaeological potential as time capsules of past settlement landscapes, research has remained limited ...
Jan Trachet, Sarah Bäumler, Stefan Krojer, Jeroen Verhegge, Wim De Clercq, Philippe De Smedt, Wouter H. Maes, Bente S. Majchczack, Immo Trinks, Dennis Wilken   +9 more
wiley   +1 more source