Astragalus mongholicus and Polygonum multiflorum's protective function against cyclophosphamide inhibitory effect on...

Area of Science:

• Immunopharmacology
• Traditional Chinese Medicine
• Toxicology

Background:

• Cyclophosphamide is a chemotherapy agent known to induce thymus injury.
• The thymus is crucial for T-cell development and immune function.
• Exploring natural compounds for mitigating chemotherapy-induced side effects is of significant interest.

Purpose of the Study:

• To evaluate the protective effects of Astragalus mongholicus and Polygonum multiflorum against cyclophosphamide-induced thymus injury.
• To investigate the underlying mechanisms, particularly the role of apoptosis.
• To compare the efficacy of individual herbs versus their combination.

Main Methods:

• Mice were pretreated with cyclophosphamide and subsequently treated with Astragalus mongholicus and Polygonum multiflorum, individually and in combination.
• Thymus injury was assessed using transmission electron microscopy and image analysis.
• Apoptosis was quantified via DNA gel electrophoresis and flow cytometry.

Main Results:

• Cyclophosphamide treatment led to thymus degeneration and reduced thymocyte populations.
• Herbal treatments improved thymus morphology and increased the number of normal thymocytes.
• Apoptosis analysis revealed significantly fewer apoptotic thymocytes in herb-treated groups compared to the cyclophosphamide-only group.
• The combination of Astragalus mongholicus and Polygonum multiflorum demonstrated superior protective effects.

Conclusions:

• Astragalus mongholicus and Polygonum multiflorum exhibit significant protective effects against cyclophosphamide-induced thymus injury.
• The protective mechanism involves the reduction of thymocyte apoptosis.
• Combined administration of Astragalus mongholicus and Polygonum multiflorum offers enhanced therapeutic benefits.