Specific binding of 1,25 dihydroxyvitamin D3 in the VX2 carcinoma

作者: H.C. Freake , E. Spanos , J.A. Eisman , C.S.B. Galasko , T.J. Martin

DOI: 10.1016/S0006-291X(80)80036-2

关键词: Internal medicineTumour invasionReceptorCarcinomaHuman breastEndocrinologyBiologyProstaglandin EMolecular biologyVx2 carcinomaBiophysicsCell biologyBiochemistry

摘要: Summary The VX 2 carcinoma is a transplantable rabbit which has been extensively studied as model of tumour invasion bone. produces large amounts prostaglandin E but also resorbs bone directly. In this report we show that the contains specific, high affinity (Kd 2.0 × 10 −11 M) receptor for 1,25 dihydroxy D 3 sediments at 3.5S in sucrose density gradients. Its characteristics are very similar to those 1,25(OH) human breast carcinoma.

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