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Immunomodulatory drugs (IMiDs) present one example of immunomodulatory agents that improve cancer immunotherapy. Based on the cytotoxic activity of natural killer (NK) cells against cancer cells, a high throughput screening method for the identification of novel immunomodulatory molecules with the potential to stimulate NK cell cytotoxicity against cancer cells was designed and tested using an ...

Dextrans (α-d-glucans) extracted from Leuconostoc mesenteroides, with molecular weights (MW) of 10 (D10), 40 (D40) and 147 (D147) kDa, were evaluated as antioxidant, anticoagulant and immunomodulatory drugs for the first time. None presented anticoagulant activity. As for the antioxidant and immunomodulatory tests, a specific test showed an increase in the dextran activity that was proportional...

Host defense peptides (often called cationic antimicrobial peptides) have pleiotropic immunomodulatory functions. The human host defense peptide LL-37 is up-regulated at sites of infection and has little or no antimicrobial activity in tissue-culture media but under the same conditions, demonstrates immunomodulatory effects on epithelial cells, monocytes, and dendritic cells (DC). These effects...

We investigated the effects of bortezomib (PS-341) and immunomodulatory thalidomide analogs (immunomodulatory compounds; CC-4047, CC-6032, and CC-5013, or lenalidomide) on osteoblast and osteoclast differentiation in vitro using human mesenchymal stem cells (hMSC) to commit to osteoprogenitor cells and peripheral blood mononuclear cells (PBMCs) isolated from healthy donors, respectively. First,...

Four compounds previously described as antimutagenic for human lymphocytes in vitro were tested on their immunomodulatory activity in lymphocyte cultures. The standard immunocytochemical methods were applied for microscopic examination of the percentual representation of the main lymphocyte subpopulation. The results imply that all of the tested compounds exhibited significant immunomodulatory ...

The immunomodulatory activity of Shirishavaleha prepared from two different parts of Shirisha (Albizia lebbeck Benth), i.e., Twak (Bark) and Sara (Heartwood) as main ingredients was evaluated for humoral antibody formation and cell-mediated immunity in established experimental models. The study used Wistar rats of either sex weighing 200 ± 40 g, while the test drug was administered orally at a ...

Immunomodulatory peptides play an important role in immune response. Researchers acquired activity peptides from natural food protein by enzymatic hydrolysis and the most commonly used enzymes are Alcalase. In this paper, the mechanism of immunomodulation was summarized briefly. The peptides charge, hydrophobicity and the length of peptide chain have great influences on the immunomodulating act...