نتایج جستجو برای: fetoprotein
تعداد نتایج: 4276 فیلتر نتایج به سال:
The ataxia - telangiectasia or Louis - Bar syndrome is a rare hereditary disease. The inheritance pattern is autosomal recessive, locus gene has been mapped to the long arm of chromosome 11. The onset of the disease coincides more or less with the acquisition of walking, which is awkward and unsteady. The characteristic telangiectatic lesions, are mainly subpapillary vascular plexuses of the bu...
BACKGROUND Alpha-fetoprotein is produced by a variety of tumors such as hepatocellular carcinoma, hepatoblastoma, and germ cell tumors of the ovary and testes. However, we present a case of significantly elevated serum alpha-fetoprotein without evidence of malignant disease in a patient who is a carrier of chronic hepatitis B. CASE PRESENTATION A 60-year-old Korean man presented with markedly...
Two patients with primary gastric carcinoma and multiple liver secondaries who developed alpha fetoprotein in the serum are reported. Both had clinical features which were initially suggestive of primary liver cell carcinoma. Fetoprotein levels fell after ligation of the hepatic artery in one patient. Alpha fetoprotein may occur in the serum of adult patients with tumours of the foregut, other ...
Measurement of alpha-fetoprotein concentration and acetylcholinesterase activity in amniotic fluid can be used to identify chromosomal defects as well as neural tube defects. In seven cases of trisomy 21 and one case of partial trisomy 3, alpha-fetoprotein concentrations were below the reference range but values for acetylcholinesterase activity were normal for the appropriate gestational age. ...
We describe a rare case of pulmonary blastoma complicated with systemic sclerosis. The serum alpha-fetoprotein level was elevated at presentation and the biopsied tumour stained positively against anti-alpha-fetoprotein antibody. The alpha-fetoprotein produced autonomously by tumour cells was of yolk-sac origin. Although the pathogenesis of pulmonary blastoma has not been clarified, we suggest ...
Affinity chromatography of serum on lentil lectin bound to Sepharose 4B has been used to identify different forms of alpha-fetoprotein in serum of patients with liver disease. We studied eight patients with non-malignant liver disease, finding that 7-15% of the serum alpha-fetoprotein bound to the lectin. In contrast, for 15 patients with malignant liver disease, 25-83% of the serum alpha-fetop...
Background and Objectives: Nodular lesions of liver are usually neoplastic (primary or metastatic), although inflammatory lesions can occur. The objectives of this paper were to study the cytomorphological changes in various nodular lesions of liver and to correlate the cytomorphological findings with biochemical parameters especially serum alpha-fetoprotein. Materials & Methods: A cross-sect...
UNLABELLED Alpha-fetoprotein is a tumor marker that has been used for surveillance and diagnosis of hepatocellular carcinoma (HCC) in patients with cirrhosis. The prognostic capability of this marker in patients with HCC has not been clearly defined. In this study our aim was to evaluate the prognostic usefulness of serum alpha-fetoprotein in patients with well-compensated cirrhosis, optimal pe...
BACKGROUND The purpose of this study was to evaluate the potential value of circulating miRNA-122a and miRNA-221 in the diagnosis of hepatocellular carcinoma. METHODS Serum samples were obtained from 85 patients with hepatocellular carcinoma and 85 age-matched and sex-matched healthy volunteers. miRNAs were isolated from the serum samples, and alfa-fetoprotein levels were determined. Expressi...
The levels of alpha-fetoprotein mRNA in mice are determined by at least two trans-acting, unlinked genes, raf and Rif. raf determines the basal levels of alpha-fetoprotein mRNA in adult mice, while Rif determines its degree of inducibility during liver regeneration. To determine whether these regulatory loci affect other structural genes, we screened a murine fetal liver cDNA library for clones...
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