The distribution of cholecystokinin (CCK) mRNA in the rat brain was determined by means of in situ hybridization histochemistry. Our results demonstrate a widespread distribution of neurons containing CCK mRNA throughout the rat brain. Hybridization-positive neurons were distributed throughout the neocortex, olfactory bulb, claustrum, amygdala, the dentate gyrus and hippocampus proper, and several subnuclei of the thalamus and the hypothalamus. The most abundant and most heavily labeled neurons were found in the endopiriform/piriform cortex, tenia tecta, and the ventral tegmental area. The distribution of neurons positive for CCK mRNA paralleled that of CCK-like immunoreactive neurons. These results detail the distribution of CCK mRNA and clearly identify the existence of CCK-synthesizing neurons in regions such as the paraventricular and supraoptic nuclei of the hypothalamus, where the presence of CCK cell bodies was previously uncertain.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1002/cne.902870209 | DOI Listing |
J Comp Neurol
January 2025
Institute of Neurobiology, University of Puerto Rico, Medical Sciences Campus, San Juan, Puerto Rico.
Snails belonging to the genus Biomphalaria serve as obligatory intermediate hosts for the trematode Schistosoma mansoni, the causative agent for the most widespread form of schistosomiasis. The simpler nervous systems of gastropod molluscs, such as Biomphalaria, provide advantageous models for investigating neural responses to infection at the cellular and network levels. The present study examined neuropeptides related to cholecystokinin (CCK), a major multifunctional regulator of central nervous system (CNS) function in mammals.
View Article and Find Full Text PDFAm J Transl Res
December 2024
Department of Medical Laboratory Technology, Medical College, Yangzhou Polytechnic College Yangzhou 225009, Jiangsu, PR China.
Objectives: In vitro experiments were manipulated to investigate the effect of the (PICALM-interacting mitotic regulator gene) expression level on the malignant phenotype of liver cancer cells and their tumorigenesis ability in nude mice, and bioinformatics were used to analyze the clinical diagnostic and prognostic value in liver cancer.
Methods: After liver cancer-related data were obtained from the TCGA database and GTEx database, the differences in expression in liver cancer and normal liver tissue were compared using bioinformatics, and their correlation with the clinical pathological characteristics of liver cancer and the prognosis value were analyzed. A knockdown and overexpression model of was constructed using Huh7 cells.
Background: Fibroblast growth factor 21 (FGF21) and Methyltransferase-like 14 (METTL14) have been identified to be involved in spinal cord injury (SCI). However, whether FGF21 functioned in SCI via METTL14-induced N6-methyladenosine (m6A) modification remains unclear.
Materials And Methods: PC12 cells were exposed to lipopolysaccharide (LPS) in vitro.
J Cancer Res Clin Oncol
January 2025
Department of Family Medicine, Shengjing Hospital of China Medical University, Shenyang, 110004, Liaoning, China.
Purpose: Colorectal cancer (CRC) is a leading cause of cancer-related mortality worldwide. The Fat mass and obesity-associated protein (FTO), a genetic variant associated with obesity, significantly impact the energetic metabolism of mechanical tumors. However, research on the function of FTO in CRC is scarce.
View Article and Find Full Text PDFCancer Biol Ther
December 2025
Department of Pulmonary and Critical Care Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, People's Republic of China.
Objective: The purpose of this research was to investigate the role of extracellular vesicles derived from lung cancer stem cells (lung CSCs-EVs) in lung cancer and to explore their potential mechanisms.
Methods: Lung CSCs were first isolated and verified using flow cytometry and RT-qPCR assays. Lung CSCs-EVs were extracted through ultracentrifugation and further characterized using transmission electron microscopy and Western blotting.
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!