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Researchers from the University of Salerno in Italy have developed a strategy to design peptide sequences that can recognize specific cell surface markers. Peptides are smaller molecules than antibodies and offer advantages such as ease of synthesis and modifications. The researchers identified two peptide sequences that can bind to the CD44 receptor, which is present in various cells including human bone marrow stromal mesenchymal cells. This discovery has potential applications in regenerative medicine, such as functionalizing tissue engineering scaffolds and efficiently isolating specific cell subpopulations. [Extracted from the article]