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Biomedical subjects

C Jersild

Publications and source records attributed to C Jersild.

At least 19 recordsLinked to original sources
PubMed1992

Studies of RFLP-inferred HLA-DR-DQ haplotypes in Danish women with recurrent fetal losses.

Results of HLA-DR and -DQ typing by RFLP in 152 unrelated women with at least 3 unexplained fetal losses were compared with those of 210 normal controls. The overall distribution of DR-DQ phenotypes did not differ significantly between patients and controls. In a subgroup of 59 patients having had at least 4 fetal losses, a significantly higher number of patients than controls were DRw17,DQw2-positive (RR = 2.9, pcorrected less than 0.02). DR-DQ haplotypes which carry DQB1 alleles encoding an amino acid other than aspartic acid at codon 57 in the second exon (non-Asp57 haplotypes) have been reported to confer susceptibility to several immunologically-mediated diseases. We found that the total frequency of non-Asp57 haplotypes (other than DR7,DQw2 which has unique features) was significantly increased in patients (50.0%) compared with controls (39.3%) (p less than 0.005). In the total group of patients and in the group with at least 4 fetal losses, 22.4% and 32.2% respectively were homozygous non-Asp57/non-Asp57 compared with 13.3% among controls (RR = 1.9, p less than 0.025 and RR = 3.1, p less than 0.001, respectively). The results suggest that DRw17,DQw2 confers susceptibility to suffer recurrent fetal losses. However, it is possible that the HLA-associated susceptibility may be primarily conferred by DQ molecules lacking aspartic acid at codon 57 in the DQ beta chain.

Abortion, Habitual↗
PubMed1992

Long-term supplementation with n-3 fatty acids, II: Effect on neutrophil and monocyte chemotaxis.

The effect of a daily supplement with 4 g of n-3 polyunsaturated fatty acids (PUFA) for 9 months to 24 healthy volunteers on neutrophil and monocyte chemotaxis was studied using the under-agarose technique. Autologous serum and n-formyl-methionyl-leucyl-phenylalanine were used as chemoattractants. The effect after 9 months of supplementation with n-3 PUFA was also compared to results after short-term supplementation with n-3 PUFA for 6 weeks. Monocyte chemotaxis was reduced after 9 months of supplementation with n-3 PUFA to the same extent as after 6 weeks supplement. Neutrophil-directed migration towards chemoattractants was reduced after 9 months on fish oil, and this decrease was significantly greater than the decrease obtained after 6 weeks of supplementation. The spontaneous migration of neutrophils was significantly attenuated after 9 months compared to baseline and to 6 weeks. These findings lend support to a role for n-3 PUFA in the management of chronic inflammatory and atherosclerotic vascular diseases.

Adult↗
PubMed1991

Increased frequency of HLA-DRw14b(w6)-associated RFLP in Greenlanders of Eskimo origin.

HLA-DR typing by the restriction fragment length polymorphism (RFLP) technique of 42 Greenlanders living in northern Jutland, Denmark, revealed a phenotype frequency of 33.3% for HLA-DRw14b(w6), which is significantly different from the frequency of 0.0% observed among 98 Danes of Caucasian origin. When comparing the two populations, the frequency of other HLA-DRB allogenotypes show insignificant variations. Since HLA-DRw14b(w6) is carried by approximately one-third of the Greenlanders tested, this allogenotype may serve as a useful marker in further anthropological and immunogenetic studies.

Denmark↗
PubMed1978

Studies of HLA antigens in multiple sclerosis.

This review describes the presently available data on HLA typing in patients with multiple sclerosis (MS). Almost 2,000 MS patients and 12,000 normal controls have been studied with HLA typing in 15 different laboratories. The combined data show remarkably homogeneous results, and are as summarized: an increased frequency of HLA-Dw2 of B7, B8, Bw18, A3, and A1. A decreased frequency of A2, A28, B12, Bw15, Bw17, Bw22, and Bw40. Analysis of data seems to indicate that the HLA linked MS susceptibility gene is linked to HLA-Dw2, and the other deviating HLA antigen frequencies, except B8, may be explained as a secondary phenomenon, due to linkage disequilibrium. The presented data do not allow any conclusions as to whether the MS susceptibility gene operates in a dominant or recessive way. The important of HLA as a marker for disease and MS in particular is discussed, and preliminary data on HLA studies of MS patients of other ethnic groups, notably American blacks, seem to indicate that genetically determined ethnic differences, notably those of HLA, may partly be responsible for the unique geographic distribution of the disease.

Antibodies, Viral↗
PubMed1977

Reconstitution in severe combined immunodeficiency by transplantation of marrow from an unrelated donor.

A patient with severe combined immunodeficiency received seven transplants of bone marrow from an HLA-B-compatible and HLA-D-compatible unrelated donor in an attempt to provide immunologic reconstitution. The first four transplants achieved restricted engraftment with evidence of rudimentary immunologic function. A fifth transplant, given after low-dose cyclophosphamide, produced reconstituion of cell-mediated immunity. Marrow aplasia developed after recontamination with a nonpathogenic microflora. Transplantation of marrow previously stored in liquid nitrogen was ineffective. A subsequent transplant, administered after high-dose cyclophosphamide, achieved durable engraftment, with complete hematopoietic and immunologic reconstitution. Seventeen months after transplantation, full functional engraftment persists. Graft-versus-host disease has been chronic and moderately severe, but limited to the skin and oral mucosa. Transplantation of marrow from unrelated histocompatible donors may provide a useful treatment for patients with severe combined immunodeficiency or aplastic anemia who lack a matched sibling or related donor.

Bone Marrow Transplantation↗
PubMed1977

HLA (SD and LD) in patients with amyotrophic lateral sclerosis (ALS).

Twenty-five patients with a definite diagnosis of amyotrophic lateral sclerosis (ALS) were HLA-typed for the serologically detectable antigens A, B and C and MLC-typed for 7 HLA-D-determinants. No significant deviation was found neither in the A, B, and C-series nor in the HLA-D-series as compared to normal controls. The aetiological problem of ALS is discussed.

Adult↗
PubMed1977

HLA and MLC typing in patients with Hodgkin's disease.

HLA typing for 27 A and B locus antigens was performed in 137 Caucasian patients with Hodgkin's disease. A and B locus antigen frequencies were compared for the entire group of patients, for 51 patients studied in a prospective manner and for 62 patients surviving with Hodgkin's disease for more than 5 years. MLC typing (HLA-D) was performed in 51 unselected Caucasian patients using 6 differend HLA-D homozygous test cells which define 3 HLA-D specificity groups (DW2, DW3, and DW4). HLA-AW33 was found in 0.0% of patients and in 5.9% of random Caucasian blood donors at the Sloan--Kettering Institute (X2 equals 7.04, p less than 0.01). HLA-A1 was found to be increased to 35.8% in the entire patient group (N = 137) as compared to 25.4% in 855 random North American Caucasians (X2 = 5.97, p less than 0.02). There was no significant deviation of any A or B locus antigen in relation to sex, histology, age of patient, or duration of survival (newly diagnosed vs 5-year survivors). No significant deviation for either of the 3 common HLA-D determinants (DW2, DW3, or DW4) was observed.

Adult↗
PubMed1976

Transfer factor treatment of patients with multuple sclerosis. I. Preliminary report of changes in immunological parameters.

In five patients with definite multiple sclerosis and lack of cell-mediated immunity to measles and parainfluenza virus antigens, various immunological parameters were studied before and during transfer factor treatment. The study showed that cell-mediated immunity to measles virus antigen, as evaluated by the leukocyte migration agarose test, could temporarily be restored, using repeated injections of transfer factor pooled from unselected, normal blood donors.

Antibody Formation↗
PubMed1976

Linkage of gene for C2 deficiency and the major histocompatibility complex MHC in man. Family study of a further case.

Close linkage between HL-A and C2 deficiency was first reported by FU and co-workers in 1974. We present here a pedigree of a 31-year-old C2-deficient individual with clinical manifestations of Hodgkins disease. The following markers were tested: C2 levels, factor B polymorphism, blood groups, and enzyme typing. In addition to close linkage between HL-A and C2 deficiency, both parents were heterozygous for Bf (HL-A linked, electrophoretic variation of B). The two HL-A haplotypes closely linked to C2 deficiency are different: 2, W18 and W24, W18. They share, however, the SD2 antigen W18 and the LD type 7a.

Adult↗
PubMed1976

Immunological in vitro parameters in patients with multiple sclerosis and in normal individuals.

The general immunological capacity of 40 patients with multiple sclerosis has been evaluated with lymphocyte transformation test including both mitogens (PHA and PWM) and antigens (PPD, Candida albicans, Staph. aureus and E. coli). Determination of T and B cells was performed by E-, EAC-rosetting and immunofluorescence for surface immunoglobulins. Compared with the results obtained in 42 normal individuals only minor differences were found.

Adult↗