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Updated: Jul 17, 2026
Murine Prostate Micro-dissection and Surgical Castration
Published on: May 11, 2016
Mycoplasma hominis as an Infectious Agent of the Human Prostate Carcinoma Cell Line LNCaP
M A Galyamina1, O V Pobeguts2, M E Bogomiakova2
1Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine, Federal Medical-Biological Agency of Russia, Moscow, Russia. mrogova@gmail.com.
Abstract:
Previously, a link between mycoplasmas and the development of malignant neoplasms, particularly prostate cancer, had been shown. However, the mechanisms responsible for the oncogenic properties of mycoplasmas remain poorly understood. We have developed an infectious model of LNCaP prostate lymph node carcinoma cell line infection with Mycoplasma hominis (MHO). It has been shown that MHO can easily attach and invade into cells without reducing the growth rate or affecting morphology of LNCaP cells. Proteomic analysis has shown that during infection, MHO undergoes a significant functional restructuring decelerating its growth and leading to formation of mini colonies. This reorganization is associated with a shift in energy metabolism a less energy-efficient nucleoside utilization pathway. To adapt within LNCaP, MHO changes its repertoire of membrane proteins, variable antigens involved in adhesion and protection from host immunity. It is hypothesized that the transcription factor YebC plays a role in MHO survival within the eukaryotic cell.
Insights
Mycoplasma hominis (MHO) infection of prostate cancer cells shows MHO adapts by altering metabolism and membrane proteins. This provides insight into mycoplasma
Area of Science:
- Microbiology
- Oncology
- Cell Biology
Background:
- Mycoplasmas have been linked to cancer development, but the mechanisms are unclear.
- Prostate cancer is a significant area of concern for neoplasm development.
Purpose of the Study:
- To investigate the interaction between Mycoplasma hominis (MHO) and LNCaP prostate cancer cells.
- To elucidate the adaptive mechanisms of MHO within a host cancer cell environment.
Main Methods:
- Development of an infectious model using LNCaP cells and MHO.
- Proteomic analysis to study MHO's functional changes during infection.
- Observation of MHO's attachment, invasion, and metabolic shifts.
Main Results:
- MHO successfully infected LNCaP cells without altering cell growth or morphology.
- MHO underwent significant functional restructuring, including metabolic shifts to nucleoside utilization.
- MHO adapted by altering membrane proteins and variable antigens for survival.
Conclusions:
- MHO exhibits adaptive strategies for survival within prostate cancer cells.
- Understanding these adaptations may reveal mechanisms of mycoplasma-induced oncogenesis.
- The transcription factor YebC is hypothesized to be involved in MHO survival.
