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Related Concept Videos

Cell Lines01:16

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A cell line is a population of cells grown in vitro that can be subcultured over several generations. Normal cells cease to divide after a certain number of cell divisions, a process known as replicative senescence. This number, called the Hayflick limit, was conceptualized by Leonard Hayflick in 1961 when he observed that fetal cells grown in culture could only divide 40-60 times. This limit is due to the shortening of the telomeres during each round of cell division, preventing cell division...
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In electrical engineering, a lossless transmission line is characterized by a purely imaginary propagation constant and a resistive characteristic impedance. The ABCD parameters, which describe the relationship between the input and output voltages and currents, indicate an equivalent π circuit with an imaginary series impedance and a shunt admittance. This results in a transmission line that, when the product of the phase constant (beta) and the length of the line is less than pi, exhibits...
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Transmission-line series resistance and shunt conductance cause three primary effects: attenuation, distortion, and power losses.
Attenuation
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The representation of magnetic fields by magnetic field lines is very useful in visualizing the strength and direction of the magnetic field. Each of the magnetic field lines forms a closed loop. The field lines emerge from the north pole (N), loop around to the south pole (S), and continue through the bar magnet back to the north pole.
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Related Experiment Video

Updated: Jan 29, 2026

Neurovascular Network Explorer 2.0: A Simple Tool for Exploring and Sharing a Database of Optogenetically-evoked Vasomotion in Mouse Cortex In Vivo
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CVm6A: A Visualization and Exploration Database for m⁶As in Cell Lines.

Yujing Han1,2,3, Jing Feng4, Linjian Xia5,6,7

  • 1School of Basic Medical Sciences, Wuhan University, Wuhan 430071, Hubei, China. hanyujing@whu.edu.cn.

Cells
|February 21, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces CVm6A, a novel database visualizing N6-methyladenosine (m⁶A) patterns across human and mouse cell lines. It maps m⁶A modifications to aid research into cell-specific m⁶A functions in development and disease.

Keywords:
N6-methyladenosinecell linem6Avisualization

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Area of Science:

  • * Molecular Biology
  • * Genomics
  • * Bioinformatics

Background:

  • * N6-methyladenosine (m⁶A) is a crucial epitranscriptomic modification involved in various cellular processes.
  • * Existing research lacks a comprehensive visualization tool for global m⁶A patterns across different cell types.
  • * Understanding cell-specific m⁶A regulation is vital for deciphering its role in biological functions.

Purpose of the Study:

  • * To establish a visualized database, CVm6A, for exploring cell-dependent m⁶A modification patterns.
  • * To integrate and analyze publicly available MeRIP-Seq and m⁶A-CLIP-Seq datasets.
  • * To facilitate research on the functional and regulatory roles of m⁶A in cellular contexts.

Main Methods:

  • * Aggregation of MeRIP-Seq and m⁶A-CLIP-Seq data from public repositories.
  • * Identification and classification of m⁶A peaks in human and mouse cell lines.
  • * Mapping of m⁶A modifications to subcellular components and gene regions.
  • * Integration of findings into the CVm6A database.

Main Results:

  • * Identified 340,950 m⁶A peaks in 23 human cell lines and 179,201 peaks in eight mouse cell lines.
  • * Classified m⁶A peaks across mRNA and lncRNA, and mapped them to cellular locations and gene regions.
  • * Differentiated m⁶A modifications in cancer (190,050 peaks) versus non-cancer (150,900 peaks) human cells.

Conclusions:

  • * The CVm6A database provides a unique resource for visualizing cell-specific m⁶A patterns.
  • * This resource can significantly advance the understanding of m⁶A's function and regulation in development and disease.
  • * CVm6A supports research into the intricate roles of m⁶A modifications in diverse cellular environments.