Related Experiment Video
Updated: Feb 15, 2026
11:32
Nucleofection of Rodent Neuroblasts to Study Neuroblast Migration In vitro
Published on: November 12, 2013
11.9K
MiRNA Influences in Neuroblast Modulation: An Introspective Analysis
Vanessa Zammit1,2, Byron Baron3, Duncan Ayers4,5
1National Blood Transfusion Service, St. Luke's Hospital, PTA1010 G'Mangia, Malta. vanessa.zammit@gov.mt.
Genes
|January 10, 2018
Summary
MicroRNAs (miRNAs) are crucial in neuroblastoma development by regulating neural stem cell differentiation. Understanding miRNA interactions offers new therapeutic strategies for this common childhood cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Neuroblastoma (NB) is a prevalent pediatric cancer often linked to chromosomal abnormalities.
- MicroRNAs (miRNAs) are key regulators of gene expression, influencing cellular processes like neural stem cell differentiation.
- Dysregulation of miRNAs is implicated in NB development and progression.
Purpose of the Study:
- To review the role of miRNAs in neuroblastoma pathogenesis.
- To explore how miRNAs modulate neuroblast differentiation and contribute to cancer development.
- To highlight the potential of miRNAs as biomarkers and therapeutic targets in NB.
Main Methods:
- Literature review focusing on miRNA functions in neurogenesis and neuroblastoma.
- Analysis of transcriptomic data and genetic studies related to NB.
- Synthesis of current knowledge on miRNA-mediated gene regulation in cancer.
Main Results:
- MiRNAs play a significant role in regulating neural stem cell lineage selection and neurogenesis.
- Aberrant miRNA expression patterns are observed in neuroblastoma, impacting tumor development.
- MiRNAs are involved in the complex interplay of genetic and epigenetic factors driving NB.
Conclusions:
- MiRNAs are critical regulators in neuroblastoma, influencing cell differentiation and cancer progression.
- Targeting miRNA pathways presents a promising avenue for novel neuroblastoma therapies.
- Further research into miRNA-transcriptomic interactions is essential for developing effective treatments.
Related Concept Videos
01:29Introspection
351
Introspection, long upheld as a reliable route to self-knowledge, involves examining one's thoughts, emotions, and mental processes. It underpins many psychological practices, from mindfulness meditation to psychotherapy and self-help strategies. However, empirical evidence challenges the accuracy of introspection as a means of understanding oneself.Limitations of Introspective InsightSeminal work by Nisbett and Wilson demonstrated that individuals are frequently unaware of the true causes...
351
01:29The Influence of Affect on Cognition
307
Positive affect significantly influences cognitive processes, including evaluation, memory, creativity, and social judgments. Compared to negative affect, positive emotional states promote more favorable interpretations of stimuli, cognitive flexibility, and heuristic processing. These effects highlight emotions' powerful role in shaping how individuals perceive, remember, and interact with the world.Influence on Evaluation and AttributionWhen individuals experience positive affect, they are...
307
01:29The Influence of Cognition on Affect
232
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be...
232
01:22Bioavailability: Influencing Factors
421
Bioavailability refers to the extent and rate at which a drug reaches systemic circulation in its active form. Extent refers to the amount of the drug that makes it into circulation, while rate is the speed at which it enters circulation. It is influenced by several factors critical for optimizing drug formulations, dosing regimens, and therapeutic outcomes.Physicochemical properties of drugs and formulationsThe solubility, stability, and dissolution rate of a drug significantly impact its...
421
01:30Biological Influences on Intelligence
594
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
594
01:29Environmental Influences on Intelligence
977
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
977