Related Experiment Video
Updated: May 11, 2026
Curcuminoid-Mediated Antimicrobial Photodynamic Therapy on a Murine Model of Oral Candidiasis
Published on: October 27, 2023
The possible roles of vitamin D and curcumin in treating gonorrhea
Dima A Youssef1, Alan N Peiris, Jim L Kelley
1Department of Internal Medicine, Division of Infectious Diseases, East Tennessee State University, James H. Quillen College of Medicine, TN, USA.
Abstract:
Drug-resistant gonorrhea, Neisseria gonorrhoeae (N. gonorrhoeae), is an emerging concern, especially because the risk of bladder cancer is associated with this infection. N. gonorrhoeae suppresses T-helper 1(Th1) and Th2 responses and enhances Th17 responses via a mechanism involving transforming growth factor-beta (TGF-β) and regulatory T cells. Blockade of TGF-β alleviates the suppression of specific anti-gonococcal responses and allows Th1 and Th2 responses to emerge with concomitant boosting of immune memory and protective immunity. Gonorrhea activates nuclear factor kappaB (NF-kappaB), which plays a critical role in signal-transduction pathways involved in inflammation. The innate immune system can eventually clear gonorrhea. Vitamin D is emerging as a potential, powerful, anti-microbial agent with these effects: it supports the innate immune system in combating bacterial infections; it decreases levels of TGF-β and NF-kappaB activation; and it induces production of LL-37 (cathelicidin), which has antimicrobial and antiendotoxin properties. In addition, via an independent vitamin D receptor pathway, curcumin also induces LL-37 production, inhibiting N. gonorrhoeae-induced NF-kappaB signaling and inducing autophagy. Therefore, vitamin D and curcumin taken together may be useful in combating both normal and drug-resistant gonorrhea. Moreover, the possible synergy between these two agents in improving outcomes is worthy of additional investigation.
Insights
Vitamin D and curcumin show promise in fighting drug-resistant gonorrhea by boosting innate immunity and inhibiting bacterial pathways. Combined, they may enhance immune memory and protective responses against Neisseria gonorrhoeae.
Area of Science:
- Immunology
- Microbiology
- Pharmacology
Background:
- Drug-resistant gonorrhea, caused by Neisseria gonorrhoeae, poses a significant health risk, potentially linked to bladder cancer.
- N. gonorrhoeae manipulates host immune responses, suppressing Th1/Th2 immunity while promoting Th17 responses through TGF-β and regulatory T cells.
- The infection activates NF-kappaB, a key inflammatory pathway, though the innate immune system can eventually clear the bacteria.
Purpose of the Study:
- To explore the potential of Vitamin D and curcumin as therapeutic agents against Neisseria gonorrhoeae, including drug-resistant strains.
- To investigate the mechanisms by which Vitamin D and curcumin modulate immune responses and combat bacterial infection.
- To assess the potential synergistic effects of Vitamin D and curcumin in treating gonorrhea.
Main Methods:
- The study reviews existing research on the immunomodulatory and antimicrobial effects of Vitamin D and curcumin in the context of N. gonorrhoeae infection.
- Analysis of how Vitamin D and curcumin influence key signaling pathways such as TGF-β, NF-kappaB, and the production of antimicrobial peptides like LL-37.
- Examination of the potential for these agents to restore protective immune responses, including Th1, Th2, and immune memory.
Main Results:
- Vitamin D supports the innate immune system, reduces TGF-β and NF-kappaB activation, and induces LL-37 production, which has antimicrobial and antiendotoxin properties.
- Curcumin, acting via a vitamin D receptor pathway, also induces LL-37, inhibits N. gonorrhoeae-induced NF-kappaB signaling, and promotes autophagy.
- Blockade of TGF-β can restore anti-gonococcal Th1 and Th2 responses, enhancing immune memory.
Conclusions:
- Vitamin D and curcumin demonstrate potential as effective agents against both standard and drug-resistant gonorrhea.
- The combined use of Vitamin D and curcumin may offer synergistic benefits in combating N. gonorrhoeae infections.
- Further investigation into the synergy between Vitamin D and curcumin is warranted for improved treatment outcomes.
More Related Videos
08:04Quantitative Examination of Antibiotic Susceptibility of Neisseria gonorrhoeae Aggregates Using ATP-utilization Commercial Assays and Live/Dead Staining
Published on: February 8, 2019
07:26Metal-Limited Growth of Neisseria gonorrhoeae for Characterization of Metal-Responsive Genes and Metal Acquisition from Host Ligands
Published on: March 4, 2020
Related Concept Videos
01:16Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
01:27Combined Effects of Drugs: Synergism
Such synergistic combinations...
01:25Role of Vitamins in Maintaining Bone Health
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
01:22Connective Tissue Cell Types
Fat cells (adipocytes), smooth muscle cells (myoblasts), and bone cells (osteoblasts) are some connective tissue cell types. Some immune system cells...
01:25Urinary Tract Infection II: Pathophysiology
01:30Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care