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Related Concept Videos

Phasor Relationships for Circuit Elements01:16

Phasor Relationships for Circuit Elements

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Phasor representation is a powerful tool used to transform the voltage-current relationship for resistors, inductors, and capacitors from the time domain to the frequency domain. This transformation simplifies the analysis of alternating current (AC) circuits.
In the time domain, Ohm's law provides a fundamental relation between the current flowing through a resistor and the voltage across it:
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Elements and Compounds01:27

Elements and Compounds

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
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Overview
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Long-term Depression01:05

Long-term Depression

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
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Relationship Formation

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What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
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Related Experiment Video

Updated: Feb 14, 2026

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron OxyHydroxides, Trace Elements, and Bacteria
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Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron OxyHydroxides, Trace Elements, and Bacteria

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The Relationship Between Trace Elements and Depression.

Yuanjian Zhong1, Yuxiang Nie1,2, Yuanhui Mao1

  • 1College of Pharmacy, Guangxi University of Chinese Medicine, No.13, Wuhe Avenue, Qingxiu District, Nanning 530200, China.

Nutrients
|February 13, 2026
PubMed
Summary
This summary is machine-generated.

Trace elements like zinc and selenium are crucial for brain health and neurological function. Their imbalance is linked to depression risk and severity, suggesting potential therapeutic roles.

Keywords:
depressionnetwork pharmacologyresearch progresssignaling pathwaystrace elements

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Psychiatry

Background:

  • Trace elements are vital for physiological processes, impacting brain development and neurological function.
  • Depression is a complex disorder influenced by genetics, neurobiology, and environment.
  • Evidence links trace element dysregulation (e.g., zinc, selenium, iron, magnesium) to depression risk and symptom severity.

Purpose of the Study:

  • To explore the role of trace elements in depression pathophysiology.
  • To investigate the multi-target and multi-pathway mechanisms by which trace elements affect depression.
  • To identify potential therapeutic targets and strategies involving trace elements for depression.

Main Methods:

  • Epidemiological and clinical evidence review.
  • Mechanistic studies analysis on trace elements' impact on depression-related pathways.
  • Network pharmacology analysis to identify hub targets and key pathways.

Main Results:

  • Trace elements influence depression via mechanisms including neurotransmission, neuroinflammation, oxidative stress, and HPA axis function.
  • Network pharmacology identified key targets (ALB, INS, TP53) and pathways (calcium signaling, neuroactive ligand-receptor interactions, HIF-1 signaling).
  • Trace elements appear to regulate depression through coordinated network-level effects.

Conclusions:

  • Trace element dysregulation is closely associated with depression.
  • Trace elements modulate depression pathophysiology through complex, interconnected pathways.
  • Findings support trace elements' application in depression risk assessment and precision interventions.