**Contents**


Reprinted from: *Int. J. Mol. Sci.* **2020**, *21*, 6030, doi:10.3390/ijms21176030 .............. **171**

#### **Sandra Clara-Trujillo, Gloria Gallego Ferrer and Jos´e Luis G ´omez Ribelles** In Vitro Modeling of Non-Solid Tumors: How Far Can Tissue Engineering Go? Reprinted from: *Int. J. Mol. Sci.* **2020**, *21*, 5747, doi:10.3390/ijms21165747 .............. **195**

#### **M ´elissa Simard, Sophie Morin, Genevi`eve Rioux, Rachelle S ´eguin, Estelle Loing and Roxane Pouliot**

A Tissue-Engineered Human Psoriatic Skin Model to Investigate the Implication of cAMP in Psoriasis: Differential Impacts of Cholera Toxin and Isoproterenol on cAMP Levels of the Epidermis

Reprinted from: *Int. J. Mol. Sci.* **2020**, *21*, 5215, doi:10.3390/ijms21155215 .............. **227**

**Teresa Galera-Monge, Francisco Zurita-D´ıaz, Isaac Canals, Marita Grønning Hansen, Laura Rufi ´an-V ´azquez, Johannes K. Ehinger, Eskil Elm ´er, Miguel A. Martin, Rafael Garesse, Henrik Ahlenius and M. Esther Gallardo**

Mitochondrial Dysfunction and Calcium Dysregulation in Leigh Syndrome Induced Pluripotent Stem Cell Derived Neurons

Reprinted from: *Int. J. Mol. Sci.* **2020**, *21*, 3191, doi:10.3390/ijms21093191 .............. **241**
