Variant estrogen receptors may be found in hepatocellular carcinoma and may influence its natural history Because it is not known whether their occurrence is an early or a late event during the course of chronic liver disease or whether they cluster in some subgroups of patients, we investigated a series of patients in different stages of chronic liver disease, One hundred eleven consecutive patients were studied for variant estrogen receptor transcripts by reverse-transcription polymerase chain reaction of RNA extracted from liver biopsy specimens. In chronic active hepatitis, variant estrogen receptor transcripts were coexpressed with wild-type significantly more often in men than in women (P = .029) and in hepatitis B surface antigen (HBsAg)-positive subjects than in subjects positive for antibody to hepatitis C virus (P = .0006). In hepatocellular carcinoma, again in men (P = .004) and in HBsAg-positive patients (P = .0015), the variant estrogen receptor transcript was overexpressed or remained the only one expressed, Patients with liver cell dysplasia presented with the same estrogen receptor pattern than patients with hepatocellular carcinoma, This further reinforces the significance of liver cell dysplasia as a preneoplastic condition. The significantly higher occurrence of variant estrogen receptor in men (especially in HBsAg-positive men) already at an early stage of disease, like chronic active hepatitis, suggests that the alteration of estrogen receptors, favoring uncontrolled proliferation and development of hyperplasia, might constitute a prominent mechanism facilitating neoplastic transformation especially in men.

Variant liver estrogen receptor transcripts already occur at an early stage of chronic liver disease / Villa, Erica; A., Dugani; A., Moles; L., Camellini; Grottola, Antonella; P., Buttafoco; A., Merighi; I., Ferretti; P., Esposito; L., Miglioli; A., Bagni; R., Troisi; B., De Hemptinne; M., Praet; F., Callea; Manenti, Federico. - In: HEPATOLOGY. - ISSN 0270-9139. - STAMPA. - 27:(1998), pp. 983-988.

Variant liver estrogen receptor transcripts already occur at an early stage of chronic liver disease

VILLA, Erica;GROTTOLA, Antonella;MANENTI, Federico
1998

Abstract

Variant estrogen receptors may be found in hepatocellular carcinoma and may influence its natural history Because it is not known whether their occurrence is an early or a late event during the course of chronic liver disease or whether they cluster in some subgroups of patients, we investigated a series of patients in different stages of chronic liver disease, One hundred eleven consecutive patients were studied for variant estrogen receptor transcripts by reverse-transcription polymerase chain reaction of RNA extracted from liver biopsy specimens. In chronic active hepatitis, variant estrogen receptor transcripts were coexpressed with wild-type significantly more often in men than in women (P = .029) and in hepatitis B surface antigen (HBsAg)-positive subjects than in subjects positive for antibody to hepatitis C virus (P = .0006). In hepatocellular carcinoma, again in men (P = .004) and in HBsAg-positive patients (P = .0015), the variant estrogen receptor transcript was overexpressed or remained the only one expressed, Patients with liver cell dysplasia presented with the same estrogen receptor pattern than patients with hepatocellular carcinoma, This further reinforces the significance of liver cell dysplasia as a preneoplastic condition. The significantly higher occurrence of variant estrogen receptor in men (especially in HBsAg-positive men) already at an early stage of disease, like chronic active hepatitis, suggests that the alteration of estrogen receptors, favoring uncontrolled proliferation and development of hyperplasia, might constitute a prominent mechanism facilitating neoplastic transformation especially in men.
1998
27
983
988
Variant liver estrogen receptor transcripts already occur at an early stage of chronic liver disease / Villa, Erica; A., Dugani; A., Moles; L., Camellini; Grottola, Antonella; P., Buttafoco; A., Merighi; I., Ferretti; P., Esposito; L., Miglioli; A., Bagni; R., Troisi; B., De Hemptinne; M., Praet; F., Callea; Manenti, Federico. - In: HEPATOLOGY. - ISSN 0270-9139. - STAMPA. - 27:(1998), pp. 983-988.
Villa, Erica; A., Dugani; A., Moles; L., Camellini; Grottola, Antonella; P., Buttafoco; A., Merighi; I., Ferretti; P., Esposito; L., Miglioli; A., Bagni; R., Troisi; B., De Hemptinne; M., Praet; F., Callea; Manenti, Federico
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