In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Input: Consider Input:  We conclude that these two patients , members of the same family , have primary cortisol resistance accompanied by a reduced number of glucocorticoid receptors .

Output: glucocorticoid receptors


Input: Consider Input:  Inhaled NO also blocked the activities of reactive oxygen species and nuclear factor - kappaB binding to DNA in lavage cells and in alveolar macrophages .

Output: nuclear factor


Input: Consider Input:  Accelerated spontaneous thymocyte death in the absence of TCF - 1 correlates with aberrantly low expression of the anti - apoptotic protein Bcl - x ( L ) .


Output: TCF - 1