instruction:
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.
question:
Tubular dysfunction in renal lithiasis : cause or consequence ? ] To investigate whether overall tubular dysfunction is encountered in a particular subgroup of patients with urolithiasis , the following parameters of renal tubular function have been measured in fasting morning urine in 124 male stone formers : excretion of lysozyme and gamma - glutamyl transpeptidase ( gamma - GT ) , fractional excretion ( FE ) or glucose , insulin , bicarbonate after an alkali load , and theoretical phosphate threshold ( TmP / GFR ) .
answer:
gamma - GT

question:
In contrast to the restricted tissue expression of gonadotropin and TSH receptors in gonads and thyroid , respectively , LGR4 is expressed in diverse tissues including ovary , testis , adrenal , placenta , thymus , spinal cord , and thyroid , whereas LGR5 is found in muscle , placenta , spinal cord , and brain .
answer:
TSH receptors

question:
The relation between the changes of bone density and the level of blood calcium , blood phosphorus and alkaline phosphatase ( AKP ) as well as the metabolism of vitamin D was studied .
answer:
alkaline phosphatase