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Attachment is vital for infant development, as warm social interactions support growth and well-being. In a classic 1958 study by Harry Harlow, the significance of warmth and comfort in forming attachments was examined. Harlow separated newborn monkeys from their mothers and provided two artificial "mothers": one made of cold wire and the other covered in soft cloth. Despite the wire mother offering food, the infant monkeys preferred the comfort of the cloth mother, demonstrating that...
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Jeffrey Simpson's attachment theory suggests that early caregiver relationships shape lasting patterns of behavior and emotional regulation, known as attachment styles. These patterns are organized along two key dimensions: self-esteem and interpersonal trust. The intersection of these dimensions produces four primary attachment styles that typically persist throughout life and significantly influence how individuals form and maintain relationships.Secure Attachment StyleIndividuals with a...
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Related Experiment Video

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Full- versus Sub-Regional Quantification of Amyloid-Beta Load on Mouse Brain Sections
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Quantification of Bacterial Attachment to Tissue Sections.

Batya Isaacson1, Tehila Hadad2, Gilad Bachrach2

  • 1The Lautenberg Center for General and Tumor Immunology, Department of Immunology and Cancer Research, IMRIC, Faculty of Medicine, the Hebrew University Medical School, Jerusalem, Israel.

Bio-Protocol
|April 7, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a new method for testing bacterial adhesion to tissue sections, offering a more realistic approach than cell line assays. It enables simultaneous quantification of bacterial binding to various tissues for colonization studies.

Keywords:
Bacterial attachmentBacterial colonizationHost-pathogen interactions

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Area of Science:

  • Microbiology
  • Biotechnology
  • Histology

Background:

  • Bacterial adhesion to host tissues is crucial for understanding infection and colonization.
  • Traditional bacterial adhesion assays using cell lines lack physiological relevance.
  • Assessing bacterial binding directly to tissue provides a more accurate model.

Purpose of the Study:

  • To develop and present a novel method for evaluating bacterial adhesion to paraffin-embedded tissue sections.
  • To enable the study of bacterial colonization mechanisms in a more physiologically relevant context.
  • To facilitate the simultaneous examination of multiple bacterial strains and tissue types.

Main Methods:

  • Utilizing paraffin-embedded tissue sections for bacterial adhesion assays.
  • Employing bacterial strains engineered with fluorescent protein reporter plasmids.
  • Imaging and quantifying bacterial binding using fluorescent microscopy.
  • Performing simultaneous adhesion tests on various tissues and bacterial strains.

Main Results:

  • The described method allows for the examination of bacterial adhesion to tissue sections.
  • It enables the assessment of different bacterial strains' binding capabilities.
  • The assay provides a more physiological context compared to cell line-based methods.
  • Simultaneous quantification of adhesion for multiple strains and tissues is achievable.

Conclusions:

  • This method offers a valuable tool for studying bacterial-tissue interactions.
  • It enhances the understanding of bacterial colonization mechanisms.
  • The assay provides a more physiologically relevant approach to bacterial adhesion research.