Sickle cell nephropathy. Clinical manifestations and new mechanisms involved in kidney injury Salvador Payán-Pernía; Anna Ruiz Llobet; Ángel Francisco Remacha Sevilla; Jesús Egido; José Aurelio Ballarín Castán; Juan Antonio Moreno;

Long-term outcomes after AKI in hospitalized patients with COVID-19 Bernardo Marques da Silva; Joana Gameiro; Joana Lei Teixeira; Cláudia Costa; Carolina Branco; João Oliveira; João Bernardo; Filipe Marques; José Agapito Fonseca; José António Lopes;

Interleukin-6 as a prognostic marker in acute kidney injury and its klotho-dependent regulation Laura González-Lafuente; Elisa Mercado-García; Sara Vázquez-Sánchez; Daniel González-Moreno; Lisardo Boscá; María Fernández-Velasco; Julián Segura; Makoto Kuro-O; Luis M. Ruilope; Fernando Liaño; Gema Ruiz-Hurtado;