Natural Macromolecules with Protective and Antitumor Activity.

Area of Science:

• Biochemistry
• Pharmacology
• Immunology

Background:

• Plant lectins and mushroom heterosides (beta-glucans) are natural compounds with diverse biological activities.
• These compounds have demonstrated cytotoxic, antitumor, antimutagenic, and anticarcinogenic properties.
• Their therapeutic potential is linked to specific structural features and their ability to modulate immune responses.

Purpose of the Study:

• To review and summarize existing literature on plant lectins and mushroom polysaccharides as potential sources for cancer prevention and treatment.
• To explore the biological activities and mechanisms of action of these natural compounds on normal and tumor cells.
• To highlight their potential as novel therapeutic agents in oncology.

Main Methods:

• Literature review of scientific data on plant lectins and mushroom polysaccharides.
• Analysis of studies detailing cytotoxic, antitumor, and immunomodulatory effects.
• Summary of proposed mechanisms of action on cellular targets.

Main Results:

• Plant lectins exhibit significant cytotoxic and antitumor activities, dependent on their structure and binding affinity.
• Mushroom beta-glucans, characterized by specific glycosidic bonds and molecular structures, can modulate immune responses.
• Both plant lectins and mushroom polysaccharides show potential in influencing normal and tumor cell behavior.

Conclusions:

• Plant lectins and mushroom beta-glucans represent promising natural sources for novel anticancer drugs.
• Understanding their structure-activity relationships is crucial for optimizing therapeutic applications.
• Further research into their mechanisms of action can lead to innovative cancer prevention and treatment strategies.