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Calretinin-expressing neurons in the basal forebrain specifically contact granule cells in the olfactory bulb and modulate odor learning.
J Neurosci
January 2025
Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada, K1N 6N5
GABAergic neurons in basal forebrain (BF) nuclei project densely to all layers of the mouse main olfactory bulb (OB), the first relay in odor information processing. However, BF projection neurons are diverse and the contribution of each subtype to odor information processing is not known. In the present study, we used retrograde and anterograde tracing methods together with whole-brain light-sheet analyses, patch-clamp recordings coupled with optogenetic and chemogenetic approaches during spontaneous odor discrimination, and go/no-go odor discrimination/learning tests to characterize the synaptic targets in the OB of BF calretinin-expressing (CR+) GABAergic cells and to reveal their functional implications.
View Article and Find Full Text PDFAdolescent reports of subjective socioeconomic status: An adequate alternative to parent-reported objective and subjective socioeconomic status?
PLoS One
January 2025
Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America.
Socioeconomic status (SES) is associated with well-being outcomes across studies; however, there is wide variation in its measurement, particularly in adolescence. One key difference in measures of SES concerns whether participants relay objective information-for example, years of education, household income-or subjective perceptions of socioeconomic status, either with or without reference to others or society. Although parents are often considered the best source of SES information-especially objective SES-within families, interviewing parents within the context of adolescent research is costly, time-consuming, and not always feasible.
View Article and Find Full Text PDFMesoscale heterogeneity is a critical determinant for spiral pattern formation in developing social amoeba.
Sci Rep
January 2025
Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Yamadaoka 2-1, Suita, 565-0871, Osaka, Japan.
Heterogeneity is a critical determinant for multicellular pattern formation. Although the importance of microscale and macroscale heterogeneity at the single-cell and whole-system levels, respectively, has been well accepted, the presence and functions of mesoscale heterogeneity, such as cell clusters with distinct properties, have been poorly recognized. We investigated the biological importance of mesoscale heterogeneity in signal-relaying abilities (excitability) in the self-organization of spiral waves of intercellular communications by studying the self-organized pattern formation in a population of Dictyostelium discoideum cells, a classical signal-relaying system model.
View Article and Find Full Text PDFDirhodium-Palladium Dual-Catalyzed [1 + 1 + 3] Annulation to Heterocycles Using Primary Amines or HO as the Heteroatom Sources.
J Am Chem Soc
January 2025
State Key Laboratory of Organometallic Chemistry and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.
The ever-increasing demand in chemical biology and medicinal research requires the development of new synthetic methods for the rapid construction of libraries of heterocycles from simple raw materials. In this context, the utilization of primary amines or HO as the simple - or -sources in the assembly of a heterocyclic ring skeleton is highly desirable from the viewpoint of atom- and step-economy. Herein, we describe a highly efficient three-component reaction of diazo, allylic diacetates, and commercially available anilines (or HO) to access structurally diverse pyrrolidine and tetrahydrofuran derivatives.
View Article and Find Full Text PDFUnmanned-Aerial-Vehicle-Assisted Secure Free Space Optical Transmission in Internet of Things: Intelligent Strategy for Optimal Fairness.
Sensors (Basel)
December 2024
Qualcomm Communication Technologies (Shanghai) Co., Ltd., Shanghai 201208, China.
In this article, we consider an UAV (unmanned aerial vehicle)-assisted free space optical (FSO) secure communication network. Since FSO signal is impossible to detect by eavesdroppers without proper beam alignment and security authentication, a BS employs FSO technique to transfer information to multiple authenticated sensors, to improve the transmission security and reliability with the help of an UAV relay with decode and forward (DF) mode. All the sensors need to first send information to the UAV to obtain security authentication, and then the UAV forwards corresponding information to them.
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