Disclosed are CHO cells which are capable of continued production of human LH-RH receptor proteins, or cell membrane fractions thereof; recombinant human LH-RH receptor proteins or partial peptides thereof; methods for screening compounds which have affinity for an LH-RH receptor by contacting the compound with the CHO cells or the cell membrane fractions thereof, or the recombinant human LH-RH receptor proteins or the partial peptides thereof; kits for screening them; the compounds which have affinity for the LH-RH receptor obtained by methods for the screening or kits for the screening; and pharmaceutical compositions containing the compound, thereby being able to early provide prophylactic or therapeutic compositions, for example, for prostate cancer, uterine cancer, breast cancer, a pituitary tumor, endometriosis, hysteromyoma or precocious puberty. They are also useful as a pregnancy controlling composition such as contraceptive or a menstrual cycle controlling composition.
本发明公开了能够持续产生人LH-RH受体蛋白或其细胞膜部分的CHO细胞;
重组人LH-RH受体蛋白或其部分肽;通过将化合物与CHO细胞或其细胞膜部分或
重组人LH-RH受体蛋白或其部分肽接触来筛选对LH-RH受体具有亲和力的化合物的方法;用于筛选它们的试剂盒;通过用于筛选的方法或用于筛选的试剂盒获得的对 LH-RH 受体具有亲和力的化合物;以及含有该化合物的药物组合物,从而能够及早提供预防或治疗组合物,例如用于前列腺癌、子宫癌、乳腺癌、垂体瘤、子宫内膜异位症、子宫肌瘤或性早熟。它们还可用作
避孕药等控制妊娠的成分或控制月经周期的成分。