Beta-2-microglobulin in trophoblastic disease

R. J. Norman, I. Jialal, S. M. Joubert, R. W. Green Thompson

Research output: Contribution to journalArticle

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Abstract

Beta-2-microglobulin (BMG) is physically linked to the allo-antigenic HLA chain on the cell surface and is accordingly a marker for the HLA antigens. BMG concentrations were measured in serum and cerebrospinal fluid (CSF) samples from 22 patients with choriocarcinoma, 5 with hydatidiform mole and 17 reference subjects in the first trimester of pregnancy. Serum BMG levels were elevated in the patients with choriocarcinoma, particularly when human chorionic gonadotrophin levels were higher than 50 000 U/l (< 50 000 U/l - 1.6 ± 0.3 mg/l; > 50 000 U/l - 2.75 ± 0.72 mg/l; molar pregnancy - 1.42 ± 0.44 mg/l; reference subjects - 1.47 ± 0.15 mg/l) (mean ± 1 SD). BMG levels in the serum and CSF were not increased when metastases were present in the cranium. None of the patients had evidence of abnormal renal function as determined by serum urea, electrolyte and creatinine levels and the creatinine clearance rate. These results suggest that BMG and HLA antigens are expressed on the trophoblastic cells in choriocarcinoma, or alternatively that the maternal immunocytes produce increased quantities of BMG.

Original languageEnglish (US)
Pages (from-to)90-92
Number of pages3
JournalSouth African Medical Journal
Volume64
Issue number3
StatePublished - 1983
Externally publishedYes

Fingerprint

beta 2-Microglobulin
Choriocarcinoma
Hydatidiform Mole
HLA Antigens
Serum
Cerebrospinal Fluid
Creatinine
Differentiation Antigens
Chorionic Gonadotropin
First Pregnancy Trimester
Skull
Electrolytes
Urea
Mothers
Neoplasm Metastasis
Kidney

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Norman, R. J., Jialal, I., Joubert, S. M., & Green Thompson, R. W. (1983). Beta-2-microglobulin in trophoblastic disease. South African Medical Journal, 64(3), 90-92.

Beta-2-microglobulin in trophoblastic disease. / Norman, R. J.; Jialal, I.; Joubert, S. M.; Green Thompson, R. W.

In: South African Medical Journal, Vol. 64, No. 3, 1983, p. 90-92.

Research output: Contribution to journalArticle

Norman, RJ, Jialal, I, Joubert, SM & Green Thompson, RW 1983, 'Beta-2-microglobulin in trophoblastic disease', South African Medical Journal, vol. 64, no. 3, pp. 90-92.
Norman RJ, Jialal I, Joubert SM, Green Thompson RW. Beta-2-microglobulin in trophoblastic disease. South African Medical Journal. 1983;64(3):90-92.
Norman, R. J. ; Jialal, I. ; Joubert, S. M. ; Green Thompson, R. W. / Beta-2-microglobulin in trophoblastic disease. In: South African Medical Journal. 1983 ; Vol. 64, No. 3. pp. 90-92.
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N2 - Beta-2-microglobulin (BMG) is physically linked to the allo-antigenic HLA chain on the cell surface and is accordingly a marker for the HLA antigens. BMG concentrations were measured in serum and cerebrospinal fluid (CSF) samples from 22 patients with choriocarcinoma, 5 with hydatidiform mole and 17 reference subjects in the first trimester of pregnancy. Serum BMG levels were elevated in the patients with choriocarcinoma, particularly when human chorionic gonadotrophin levels were higher than 50 000 U/l (< 50 000 U/l - 1.6 ± 0.3 mg/l; > 50 000 U/l - 2.75 ± 0.72 mg/l; molar pregnancy - 1.42 ± 0.44 mg/l; reference subjects - 1.47 ± 0.15 mg/l) (mean ± 1 SD). BMG levels in the serum and CSF were not increased when metastases were present in the cranium. None of the patients had evidence of abnormal renal function as determined by serum urea, electrolyte and creatinine levels and the creatinine clearance rate. These results suggest that BMG and HLA antigens are expressed on the trophoblastic cells in choriocarcinoma, or alternatively that the maternal immunocytes produce increased quantities of BMG.

AB - Beta-2-microglobulin (BMG) is physically linked to the allo-antigenic HLA chain on the cell surface and is accordingly a marker for the HLA antigens. BMG concentrations were measured in serum and cerebrospinal fluid (CSF) samples from 22 patients with choriocarcinoma, 5 with hydatidiform mole and 17 reference subjects in the first trimester of pregnancy. Serum BMG levels were elevated in the patients with choriocarcinoma, particularly when human chorionic gonadotrophin levels were higher than 50 000 U/l (< 50 000 U/l - 1.6 ± 0.3 mg/l; > 50 000 U/l - 2.75 ± 0.72 mg/l; molar pregnancy - 1.42 ± 0.44 mg/l; reference subjects - 1.47 ± 0.15 mg/l) (mean ± 1 SD). BMG levels in the serum and CSF were not increased when metastases were present in the cranium. None of the patients had evidence of abnormal renal function as determined by serum urea, electrolyte and creatinine levels and the creatinine clearance rate. These results suggest that BMG and HLA antigens are expressed on the trophoblastic cells in choriocarcinoma, or alternatively that the maternal immunocytes produce increased quantities of BMG.

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