Results 171 to 180 of about 944,652 (357)

Hungry for Knowledge: Octopamine Signaling Regulates Hunger‐Enhanced Olfactory Learning

open access: yesAdvanced Science, EarlyView.
Researchers demonstrate that hunger state facilitates both aversive and appetitive olfactory learning. Two distinct octopamine signaling pathways are involved in aversive or appetitive memory formation in the hunger state. And, hunger state also facilitates the formation of both types of memories via an evolutionarily conserved norepinephrine (the ...
Huijuan Zhao   +14 more
wiley   +1 more source

HMGB2–RAD21 Axis Promotes Fibro/Adipogenic Progenitor Proliferation and Regulates Fat Infiltration

open access: yesAdvanced Science, EarlyView.
This study constructed the first developmental atlas of embryonic skeletal muscle fibro/adipogenic progenitors (FAPs) and identified an HMGB2+ FAPs subpopulation that regulates FAP pool size and muscle homeostasis. HMGB2 directly targets the RAD21 promoter, and its knockout significantly reduces FAP numbers, thereby lowering the potential for ...
Xian Tong   +14 more
wiley   +1 more source

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

Swine Backyard Production Systems in Central Chile: Characterizing Farm Structure, Animal Management, and Production Value Chain. [PDF]

open access: yesAnimals (Basel), 2023
Baumberger C   +6 more
europepmc   +1 more source

Dendroclimatology of high-elevation <i>Nothofagus pumilio </i>forests at their northern distribution limit in the central Andes of Chile

open access: green, 2001
Antonio Lara   +5 more
openalex   +2 more sources

Agregados Monetarios: Nuevas Definiciones [PDF]

open access: yes
Central bankers have devoted considerable efforts to monitoring and analyzing the various measures of money. In Chile, the definitions of monetary aggregates—barring a few minor changes—have been in place since the 1980s and range from M1 to M7, a ...
Erika Arraño G.
core  

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