oestrogen receptor negative

oestrogen receptor negative

adjective Referring to breast cancer cells that lack a receptor to which estrogens can attach; ERN cancers usually have a worse prognosis, as they tend not to respond to anti-oestrogen therapy.
References in periodicals archive ?
This work tells us that cancers which become refractory to anti-oestrogen treatment often do so by elevating their levels of ELF5 and becoming functionally oestrogen receptor negative," said Ormandy.
38, comparing t allele carriers with noncarriers) but not for oestrogen receptor negative tumours (OR = 0.
Efficacy has not been demonstrated in patients with oestrogen receptor negative status.