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Cytoglobin: a potential marker for adipogenic differentiation in preadipocytes in vitro

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Abstract

Obesity, mainly characterized by the excess fat storage, is a global health problem resulting in serious morbidity and mortality. Identification of molecular mechanisms in adipogenic differentiation pathway might lead to development of new strategies for diagnosis, prevention and therapy of obesity and associated diseases. Discovery of new genes and proteins in the differentiation pathway could help to understand the key specific regulators of the adipogenesis. Cytoglobin (Cygb), identified as a new globin family member protein, is expressed in various tissues. Although its interaction with oxygen and nitric oxide indicates the potential role in antioxidant pathways, the exact role remains unclear. In the current study, expression level of Cygb was determined in proliferating and differentiating 3T3-F442A cells by gene expression and protein expression analysis. Results revealed that Cygb expression up-regulated in differentiated cells in parallel with adipogenic differentiation markers; PPARγ, CEBPα and FABP4 expressions. Besides, Cygb overexpression in preadipocytes contributed to the adipogenic differentiation as verified by detection of higher lipid droplets and increased PPARγ, CEBPα and FABP4 expressions with respect to control cells. These findings will shed light on the unknown roles of Cygb in adipogenesis and obesity.

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Authors and Affiliations

  1. Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Kayisdagi Cad. 26 Agustos Yerlesimi, Atasehir, 34755, Istanbul, Turkey

    Ayşegül Doğan, Selami Demirci, Binnur Kıratlı & Fikrettin Şahin

  2. CDBL, National Cancer Instıtute, NIH, Frederick, MD, USA

    Ayşegül Doğan

  3. National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD, USA

    Selami Demirci

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  1. Ayşegül Doğan
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  2. Selami Demirci
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  3. Binnur Kıratlı
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  4. Fikrettin Şahin
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Correspondence to Selami Demirci.

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Doğan, A., Demirci, S., Kıratlı, B. et al. Cytoglobin: a potential marker for adipogenic differentiation in preadipocytes in vitro. Cytotechnology 69, 157–165 (2017). https://doi.org/10.1007/s10616-016-0047-2

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  • DOI: https://doi.org/10.1007/s10616-016-0047-2

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