PMID- 10964327 OWN - NLM STAT- MEDLINE DCOM- 20000919 LR - 20190620 IS - 0008-543X (Print) IS - 0008-543X (Linking) VI - 89 IP - 5 DP - 2000 Sep 1 TI - Expression of transforming growth factor-alpha mRNA in livers of patients with chronic viral hepatitis and hepatocellular carcinoma. PG - 977-82 AB - BACKGROUND: Transforming growth factor-alpha (TGFalpha) is an important autocrine growth factor of hepatocytes. The authors evaluated the roles of TGFalpha in chronic viral hepatitis (CVH) and hepatocellular carcinoma (HCC). METHODS: The authors measured the amounts of TGFalpha mRNA in liver tissues from 18 patients with HCC, 31 patients with CVH, and 7 normal controls. " Hot-start" reverse transcription-polymerase chain reaction (RT-PCR) using oligo-dT and specific primers detected TGFalpha mRNA in total cellular RNA extracted from liver tissues. The levels of TGFalpha mRNA were determined by the end point titers of serial, two-fold dilutions of cDNA. The amounts of hepatitis B virus RNA (HBV-RNA) in livers of patients with chronic hepatitis B also were measured by Northern blot hybridization. RESULTS: TGFalpha mRNA levels were extremely higher in patients with HCC compared with patients with CVH and normal controls, and the levels in patients with CVH also were elevated compared with normal controls. The levels of TGFalpha mRNA were overexpressed in the underlying livers of patients with HCC compared with patients with CVH, although they were lower than those found in HCC tissues. The levels of TGFalpha mRNA were higher in samples from patients with chronic hepatitis B than in samples from patients with chronic hepatitis C. The levels of TGFalpha mRNA were not correlated with serum alanine aminotransferase or HBV-RNA levels in liver tissues in patients with chronic hepatitis B. However, the expression of TGFalpha mRNA tended to be higher in the livers of patients with raised serum alpha-fetoprotein levels. CONCLUSIONS: The overexpression of TGFalpha mRNA in the liver seems to be associated with the regeneration of hepatocytes rather than hepatic necrosis or viral replication. Also, it may be related closely to the development or progression of HCC, especially in the livers of patients with chronic hepatitis B. FAU - Chung, Y H AU - Chung YH AD - Department of Internal Medicine, University of Ulsan College of Medicine, Seoul, Korea. FAU - Kim, J A AU - Kim JA FAU - Song, B C AU - Song BC FAU - Lee, G C AU - Lee GC FAU - Koh, M S AU - Koh MS FAU - Lee, Y S AU - Lee YS FAU - Lee, S G AU - Lee SG FAU - Suh, D J AU - Suh DJ LA - eng PT - Journal Article PL - United States TA - Cancer JT - Cancer JID - 0374236 RN - 0 (RNA, Messenger) RN - 0 (Transforming Growth Factor alpha) SB - IM MH - Adult MH - Carcinoma, Hepatocellular/complications/*metabolism/virology MH - Chronic Disease MH - Disease Progression MH - Female MH - Hepatitis, Viral, Human/complications/*metabolism MH - Humans MH - Liver/metabolism MH - Liver Neoplasms/complications/*metabolism/virology MH - Male MH - Middle Aged MH - RNA, Messenger/biosynthesis MH - Statistics as Topic MH - Transforming Growth Factor alpha/*biosynthesis/genetics EDAT- 2000/08/30 11:00 MHDA- 2000/09/23 11:01 CRDT- 2000/08/30 11:00 PHST- 2000/08/30 11:00 [pubmed] PHST- 2000/09/23 11:01 [medline] PHST- 2000/08/30 11:00 [entrez] AID - 10.1002/1097-0142(20000901)89:5<977::AID-CNCR6>3.0.CO;2-I [pii] AID - 10.1002/1097-0142(20000901)89:5<977::aid-cncr6>3.0.co;2-i [doi] PST - ppublish SO - Cancer. 2000 Sep 1;89(5):977-82. doi: 10.1002/1097-0142(20000901)89:5<977::aid-cncr6>3.0.co;2-i.