Expression of NPY receptors in hHSC. SigalaBarbara McKeeChad SoedaJunpei PazienzaValerio MorganMaelle LinChing-I SeldenClare Vander BorghtSara MazzoccoliGianluigi RoskamsTania VinciguerraManlio A. ObenJude 2013 <p><b>a, b</b>) hHSC also express NPY receptors with abundant Y1, Y4, and Y6 NPY receptors at mRNA and protein levels with little or absent expression of Y2 and Y5.</p>