Browsing by Author "Yazar, Volkan"
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3D-MSCs A151 ODN-loaded exosomes are immunomodulatory and reveal a proteomic cargo that sustains wound resolution
Camões, Sérgio P.; Bulut, Özlem; Yazar, Volkan; Gaspar, Maria M.; Simões, Sandra; Ferreira, Rita; Vitorino, Rui; Santos, Jorge M.; Gürsel, İhsan; Miranda, Joana P. (Elsevier B.V., 2022-11)Introduction: Non-healing wounds remain a major burden due to the lack of effective treatments. Mesenchymal stem cell-derived exosomes (MSC-Exo) have emerged as therapeutic options given their pro-regenerative and ... -
Circulating extracellular vesicles of patients with steroid-sensitive nephrotic syndrome have higher RAC1 and induce recapitulation of nephrotic syndrome phenotype in podocytes
Kara Eroğlu, Fehime; Yazar, Volkan; Guler, Ulku; Yıldırım, Muzaffer; Yıldırım, Tuğçe; Gungor, Tulin; Celikkaya, Evra; Karakaya, Deniz; Turay, Nilsu; Ciftci Dede, Eda; Korkusuz, Petek; Salih, Bekir; Bulbul, Mehmet; Gürsel, İhsan (American Physiological Society, 2021-11-09)Since previous research suggests a role of a circulating factor in the pathogenesis of steroid-sensitive nephrotic syndrome (NS), we speculated that circulating plasma extracellular vesicles (EVs) are a candidate source ... -
Could individuals from countries using BCG vaccination be resistant to SARS-CoV-2 induced infections?
Ayanoğlu, İ. C.; İpekoğlu, E. M.; Yazar, Volkan; Yılmaz, İ. C.; Gürsel, İhsan; Gürsel, M. (Turkish Society of Immunology, 2020)The lower than expected number of SARS-CoV-2 cases in countries with fragile health systems is puzzling. Herein, we hypothesize that BCG vaccination policies and vaccine strain preferences adopted by different countries ... -
Elucidating immunomodulatory effects of telomeric repeat mimicking synthetic A151 oligodeoxynucleotide on immune cell transcriptome
Yazar, Volkan (Bilkent University, 2019-09)Recent evidence revealed that DNA is beyond just the blueprint of life; it is also involved in immunomodulation. Unmethylated Cytosine-phosphate-Guanine (CpG) motifs of prokaryotic DNA stimulate immune response by ... -
Human gut commensal membrane vesicles modulate inflammation by generating m2-like macrophages and myeloid-derived suppressor cells
Bulut, E. A.; Kocabaş, Banu Bayyurt; Yazar, Volkan; Aykut, Gamze; Güler, Ülkü; Salih, B.; Yılmaz, N. S.; Ayanoglu, I. C.; Polat, M. M.; Akçalı, K. Ç.; Gürsel, İhsan; Gürsel, M. (American Association of Immunologists, 2020)Immunomodulatory commensal bacteria modify host immunity through delivery of regulatory microbial-derived products to host cells. Extracellular membrane vesicles (MVs) secreted from symbiont commensals represent one such ... -
A suppressive oligodeoxynucleotide expressing TTAGGG motifs modulates cellular energetics through the mTOR signaling pathway
Yazar, Volkan; Kılıç, Gizem; Bulut, Özlem; Canavar-Yıldırım, Tuğçe; Yağcı, Fuat C.; Gamze, Aykut; Klinman, D. M.; Gürsel, M.; Gürsel, İhsan (Oxford University Press, 2020)Immune-mediated inflammation must be down-regulated to facilitate tissue remodeling during homeostatic restoration of an inflammatory response. Uncontrolled or over-exuberant immune activation can cause autoimmune diseases, ...