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Connective tissue develops from the mesoderm of a developing embryo and consists of cells, fibers, and ground substance: a gel-like material containing large complexes of carbohydrates and proteins. Connective tissue was first identified as a separate tissue family in the 18th century, and Johannes Peter Muller coined the term connective tissue.
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Salivary Zinc Levels in Rheumatoid Arthritis.

Anshul Sharma1, Anjali Arya2, Chetan Kumar Sharma3

  • 1Department of Physiology, Sudha Medical College and Hospital, Jagpura, Kota, Rajasthan, India.

Journal of Pharmacy & Bioallied Sciences
|January 12, 2026
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Summary
This summary is machine-generated.

Individuals with rheumatoid arthritis have higher salivary zinc levels compared to healthy individuals. This finding suggests salivary zinc may serve as a potential biomarker for rheumatoid arthritis disease activity.

Keywords:
Rheumatoid arthritissalivazinc

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Area of Science:

  • Biochemistry
  • Immunology
  • Oral Medicine

Background:

  • Rheumatoid arthritis (RA) is a chronic autoimmune disease.
  • Zinc is an essential trace element with immunomodulatory roles.
  • Altered zinc metabolism is implicated in various inflammatory conditions.

Purpose of the Study:

  • To compare salivary zinc concentrations between RA patients and healthy controls.
  • To investigate the potential of salivary zinc as a biomarker for RA.

Main Methods:

  • Saliva samples were collected from 20 participants (10 RA patients, 10 healthy controls).
  • Zinc levels in saliva were measured using established analytical techniques.
  • Statistical analysis was performed to compare zinc levels between groups.

Main Results:

  • Mean salivary zinc level in the RA group was 83.52 ± 5.9 μg/dL.
  • Mean salivary zinc level in the control group was 69.56 ± 11.2 μg/dL.
  • A statistically significant difference in salivary zinc levels was observed between the groups.

Conclusions:

  • Patients with rheumatoid arthritis exhibit elevated salivary zinc levels compared to healthy individuals.
  • Salivary zinc may be a potential indicator of disease activity or metabolic alterations in RA.
  • Further research is warranted to explore the diagnostic and prognostic value of salivary zinc in RA.