101
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Yuval Y, Lerner A, Lipitz S, Rotstein Z, Hegesh J, Achiron R. Prenatal diagnosis of vein of Galen aneurysmal malformation: report of two cases with proposal for prognostic indices. Prenat Diagn 1998. [PMID: 9358579 DOI: 10.1002/(sici)1097-0223(199710)17:10<972::aid-pd167>3.0.co;2-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Vein of Galen aneurysmal malformation (VGAM) is a rare, intracranial vascular anomaly that, until recently, has usually been diagnosed postnatally. Today, however, with the advances in high-resolution ultrasonography and colour Doppler, prenatal diagnosis is relatively easy. Due to novel intravascular embolization techniques, the prognosis of neonates with VGAM has markedly improved. A healthy infant with normal neurodevelopmental and cardiovascular status is now a reality. For the best outcome, however, careful planning of the appropriate time, mode, and place of delivery should be undertaken. To achieve this goal, in utero prognostic factors should be determined. This report illustrates, for the first time, prenatal ultrasonographic indices that may predict the outcome in two cases with a prenatal diagnosis of VGAM. The indices included mapping of intracranial feeding arteries, assessment of the width of the straight sinus, assessment and measurement of flow in the straight sinus, existence of 'steal' retrograde aortic flow, and the appearance of high-output cardiac state. By using these prenatal ultrasonographic parameters, fetal outcome may be predicted and appropriate management decided upon.
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102
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Rivlin J, Lerner A, Augarten A, Wilschanski M, Kerem E, Ephros MA. Severe Clostridium difficile-associated colitis in young patients with cystic fibrosis. J Pediatr 1998; 132:177-9. [PMID: 9470027 DOI: 10.1016/s0022-3476(98)70511-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We report four patients with cystic fibrosis and fulminant Clostridium difficile-associated colitis: two died, and one required hemicolectomy. Three of four patients carried the N1303K mutation. Severe and fatal C. difficile colitis can occur in cystic fibrosis patients, possibly with a genotype-specific predilection (i.e., N1303K/other). Because cystic fibrosis patients may have a wide spectrum of gastrointestinal symptoms, disease caused by C. difficile must be considered when these patients have acute abdominal pain, diarrhea, or severe leukocytosis.
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103
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Koyasu S, Clayton LK, Lerner A, Heiken H, Parkes A, Reinherz EL. Pre-TCR signaling components trigger transcriptional activation of a rearranged TCR alpha gene locus and silencing of the pre-TCR alpha locus: implications for intrathymic differentiation. Int Immunol 1997; 9:1475-80. [PMID: 9352352 DOI: 10.1093/intimm/9.10.1475] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A rearranged TCR alpha transgene remains transcriptionally inactive in rag-2-/- thymocytes but can be induced by CD3-mediated signals with concomitant maturation of double-negative (DN) thymocytes to the CD4+CD8+ double-positive (DP) stage. Reciprocally, the same signals silence pre-TCR alpha (pT alpha) expression. In normal C57BL/6 thymocytes, TCR alpha expression is not detected in DN thymocytes while, in contrast, TCR beta expression is initiated at the most immature c-kit+CD44+CD25- stage and continues throughout thymocyte development. pT alpha expression is first detected at the intermediate c-kit +/- CD44+CD25+ DN stage, increases during transition to the more mature c-kit-CD44-CD25+ stage and is lost at the DP stage. Thus, although TCR beta and pT alpha expression are independent, the pre-TCR complex mediates signals controlling the appearance of alpha beta TCR through selective regulation of TCR alpha and pT alpha genes.
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104
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Parvari R, Moses S, Shen J, Hershkovitz E, Lerner A, Chen YT. A single-base deletion in the 3'-coding region of glycogen-debranching enzyme is prevalent in glycogen storage disease type IIIA in a population of North African Jewish patients. Eur J Hum Genet 1997; 5:266-70. [PMID: 9412782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Glycogen storage disease type III (GSD III) is an autosomal recessive disease caused by the deficiency of glycogen-debranching enzyme (AGL). The overall incidence of the disease is about 1:100,000 life births in the USA; however, it is unusually frequent among North African Jews in Israel (prevalence 1:5,400, carrier prevalence 1:35). All North African Jewish GSD III patients examined have both liver and muscle involvement. While all patients showed the characteristic features related to the liver enzyme deficiency, the peripheral muscular impairment varied from minimal to severe, with neuromuscular involvement. A single mutation in the AGL gene, the deletion of T at position 4,455 (4,455delT) in homozygous form, was found in this patient population. The mutation 4,455delT results in the change of 17 amino acids at the carboxy terminus of the AGL protein (1,486-1,502) and truncation of the last 30 amino acids of the normal AGL 1,532 amino acids. The mutation appears to be ethnic specific as it was not seen in 18 patients of different ethnic origins. This is the first report of a mutation in the AGL gene affecting a considerable number of GSD III patients in a defined population.
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105
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Reifen R, Buskila D, Maislos M, Press J, Lerner A. Serum prolactin in coeliac disease: a marker for disease activity. Arch Dis Child 1997; 77:155-7. [PMID: 9301358 PMCID: PMC1717265 DOI: 10.1136/adc.77.2.155] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Prolactin, a polypeptide hormone of anterior pituitary origin, has pronounced physiological effects on growth, reproduction, and osmoregulation. Increasing evidence indicates that prolactin also has an immunomodulatory influence on the immune system. The status of prolactin in patients with coeliac disease was investigated by obtaining serum samples from 48 patients with active and non-active coeliac disease. These were compared with samples from 20 children with familial Mediterranean fever and 65 normal controls. Serum prolactin in patients with active coeliac disease was significantly higher than in the other groups studied and reference values. Serum prolactin correlated well with the degree of mucosal atrophy and with the serum concentration of antiendomysial antibodies. Prolactin may play a part in immune modulation in the intestinal damage of coeliac disease and serve as a potential marker for disease activity.
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106
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107
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Barzilai M, Ish-Shalom N, Lerner A. Gallbladder pseudopolyp formation following percutaneous liver biopsy. Pediatr Surg Int 1997; 12:422-3. [PMID: 9244116 DOI: 10.1007/bf01076956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Following an unsuccessful liver biopsy in a 16-year-old girl in which only bile was obtained, a sonographic (US) study was performed. The findings were those of free fluid just adjacent to the gallbladder as well as a small intraluminal protrusion of the gallbladder wall. The US features of the gallbladder finding were consistent with a polyp. Gallbladder polyps are very rare in children, however, sporadic case reports do exist. An US study 24 h after the invasive procedure revealed complete regression of the free fluid; the gallbladder wall protrusion has disappeared. We suggest that the tip of the biopsy needle had penetrated the gallbladder wall and caused a bile leak. The needle penetration caused elevation of the inner wall layer at the entrance site, which was indistinguishable from the sonographic findings of a gallbladder polyp [1-4]
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108
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Clark CM, Ewbank D, Lerner A, Doody R, Henderson VW, Panisset M, Morris JC, Fillenbaum GG, Heyman A. The relationship between extrapyramidal signs and cognitive performance in patients with Alzheimer's disease enrolled in the CERAD Study. Consortium to Establish a Registry for Alzheimer's Disease. Neurology 1997; 49:70-5. [PMID: 9222172 DOI: 10.1212/wnl.49.1.70] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The objective of this study was to determine the relationship between the presence of extrapyramidal signs and the severity of cognitive and functional impairment in patients with Alzheimer's disease (AD). Eleven university medical centers in the United States and France participated in the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) study of extrapyramidal signs in AD. Forty-seven patients with probable AD who had extrapyramidal signs were matched by sex, race, education, and age with 132 probable AD patients without extrapyramidal signs. The main outcome measures were the Clinical Dementia Rating, Blessed Dementia Scale, and the CERAD Neuropsychology Battery (verbal fluency, naming, Mini-Mental State Examination, word list learning, word list recall, savings ratio, word list recognition, and constructional praxis). AD patients with extrapyramidal signs performed more poorly than AD patients without parkinsonism on various neuropsychological tests, even after controlling for the Clinical Dementia Rating and reported duration of cognitive impairment. The severity of the extrapyramidal manifestations was related to the degree of cognitive and functional impairment. Muscular rigidity and bradykinesia were the most frequent extrapyramidal signs associated with AD. Patients with AD associated with extrapyramidal signs have greater cognitive and functional impairment than AD patients without clinical evidence of parkinsonism.
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109
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Burwinkel B, Maichele AJ, Aagenaes O, Bakker HD, Lerner A, Shin YS, Strachan JA, Kilimann MW. Autosomal glycogenosis of liver and muscle due to phosphorylase kinase deficiency is caused by mutations in the phosphorylase kinase beta subunit (PHKB). Hum Mol Genet 1997; 6:1109-15. [PMID: 9215682 DOI: 10.1093/hmg/6.7.1109] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Glycogen storage disease due to phosphorylase kinase deficiency occurs in several variants that differ in mode of inheritance and tissue-specificity. This heterogeneity is suspected to be largely due to mutations affecting different subunits and isoforms of phosphorylase kinase. The gene of the ubiquitously expressed beta subunit, PHKB, was a candidate for involvement in autosomally transmitted phosphorylase kinase deficiency of liver and muscle. To identify such mutations, the complete PHKB coding sequence was amplified by RT-PCR of RNA isolated from blood samples of patients and analyzed by direct sequencing of PCR products. The characterization of mutations was complemented by PCR of genomic DNA. In one female and four male patients, we identified five independent nonsense mutations (Y418ter; R428ter; Y974H+E975ter; Q656ter in two cases), one single-base insertion in codon N421, one splice-site mutation affecting exon 31, and a large deletion involving the loss of exon 8. Although these severe translation-disrupting mutations occur in constitutively expressed sequences of the only known beta subunit gene of phosphorylase kinase, PHKB, they are associated with a surprisingly mild clinical phenotype, affecting virtually only the liver, and relatively high residual enzyme activity of approximately 10%.
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110
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Karban A, Lerner A, Shapiro S. TH1/TH2 cytokine profile in celiac disease. ISRAEL JOURNAL OF MEDICAL SCIENCES 1997; 33:209-14. [PMID: 9313792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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111
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Lerner A, Koss E, Debanne S, Rowland D, Smyth K, Friedland R. Smoking and oestrogen-replacement therapy as protective factors for Alzheimer's disease. Lancet 1997; 349:403-4. [PMID: 9033479 DOI: 10.1016/s0140-6736(97)80025-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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112
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Lerner A, Shinnawi M, Gruener N. [Carnitine and the central nervous system--new aspects]. HAREFUAH 1997; 132:130-2. [PMID: 9119298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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113
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Abstract
Although gallbladder polyps are well documented in adults, only three cases in children have been reported in the literature. We present two pediatric cases in which gallbladder polyps were detected by ultrasound, confirming this as the imaging method of choice in diagnosing gallbladder disease.
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114
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Lerner A, Clayton LK, Mizoguchi E, Ghendler Y, van Ewijk W, Koyasu S, Bhan AK, Reinherz EL. Cross-linking of T-cell receptors on double-positive thymocytes induces a cytokine-mediated stromal activation process linked to cell death. EMBO J 1996. [DOI: 10.1002/j.1460-2075.1996.tb00974.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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115
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Lerner A, Clayton LK, Mizoguchi E, Ghendler Y, van Ewijk W, Koyasu S, Bhan AK, Reinherz EL. Cross-linking of T-cell receptors on double-positive thymocytes induces a cytokine-mediated stromal activation process linked to cell death. EMBO J 1996; 15:5876-87. [PMID: 8918465 PMCID: PMC452343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
To investigate molecular events associated with the intrathymic process of negative selection, we established an in vivo system using an anti-CD3 epsilon monoclonal antibody to induce synchronous apoptosis in the thymus of AND T-cell receptor (TCR) transgenic RAG-2-/- mice in a non-selecting haplotype. This model eliminates endogenous negative selection as well as gene activation in the mature thymocyte compartment, offering an ideal source of tester (anti-CD3 epsilon-treated) and driver (untreated) thymus RNA for representational difference analysis (RDA). Fourteen mRNA sequences that are up-regulated in the thymuses of such mice 2-6 h after anti-CD3 epsilon treatment were identified. Surprisingly, the majority of these transcripts were derived from stromal cells rather than the TCR-cross-linked CD4+CD8+TCRlow thymocytes including the macrophage products IL-1, the chemokine Mig and the transcription factor LRG-21. IFN-gamma secretion from the CD4+CD8+TCRlow thymocytes regulates macrophage Mig production. Three other cytokines (IL-4, GM-CSF and TNF-alpha), known to activate a variety of stromal cells, are also induced in the same thymocyte population undergoing apoptosis. Expression of a TNF-alpha-inducible gene, B94, in stromal cells after TCR ligation further supports the notion of cross-talk between thymocytes and stroma. Thus, TCR-triggered immature thymocytes elaborate cytokines which may regulate the delivery of further signals from stromal cells required for apoptosis.
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MESH Headings
- Animals
- Antibodies, Monoclonal
- Apoptosis/immunology
- Base Sequence
- CD3 Complex
- Cloning, Molecular
- Cross-Linking Reagents
- Cytokines/biosynthesis
- DNA Primers/genetics
- DNA, Complementary/genetics
- Female
- Gene Expression Regulation
- Male
- Mice
- Mice, Transgenic
- Receptors, Antigen, T-Cell/chemistry
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/physiology
- T-Lymphocyte Subsets/cytology
- T-Lymphocyte Subsets/immunology
- Thymus Gland/cytology
- Thymus Gland/immunology
- Transcriptional Activation
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116
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Barzilai M, Lerner A, Branski D. Increased reflectivity of the pancreas in rare hereditary pancreatic insufficiency syndromes. Clin Radiol 1996; 51:575-6. [PMID: 8761396 DOI: 10.1016/s0009-9260(96)80139-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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117
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Abstract
Diarrhea is one of the major causes of infant morbidity and mortality worldwide. Major advances in understanding the pathophysiology of chronic diarrhea and malabsorption have taken place during the past three decades. Analysis of absorptive and secretory functions of the intestine has provided some insight into the possible causes of diarrhea. This article summarizes some of the specific causes of malabsorptive diarrhea in infancy and childhood, with emphasis on pathophysiology and approaches to therapy.
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118
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Lerner A, Levi T, Peleg D, Ben-Rafael Z. [Indications for hysterectomy--a time for re-evaluation]. HAREFUAH 1996; 130:400-3. [PMID: 8707198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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119
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Abstract
The main congenital anomalies of the exocrine pancreas are reviewed, and several generalized and isolated hereditary pancreatic diseases are discussed. In contrast with adults, the most frequent causes of acute pancreatitis are viral infection, drug induction, and trauma. The dissimilarities between pediatric and acute and chronic pancreatitis are emphasized.
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120
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Lerner A, Blank M, Shoenfeld Y. Celiac disease and autoimmunity. ISRAEL JOURNAL OF MEDICAL SCIENCES 1996; 32:33-6. [PMID: 8550345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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121
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Iancu TC, Perl DP, Sternlieb I, Lerner A, Leshinsky E, Kolodny EH, Hsu A, Good PF. The application of laser microprobe mass analysis to the study of biological material. Biometals 1996; 9:57-65. [PMID: 8574093 DOI: 10.1007/bf00188091] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Laser microprobe mass analysis (LAMMA) is an investigational method which is a powerful tool for the identification and quantitation of various elements present in small volumes of tissue. LAMMA is highly sensitive and capable of rapidly detecting concentrations of 1-3 p.p.m. of most metallic elements, in precisely localized cellular compartments. In order to further assess its value, cultured skin fibroblasts and biopsy tissues from human subjects and experimental animals were probed by LAMMA, and the results were correlated with ultrastructural findings. Biopsy samples were obtained from patients suffering from Gaucher disease, and from patients and animals with pathologic iron or copper metabolism. No significant abnormalities were detected in the cultured fibroblasts from patients with Gaucher disease, in contrast to the iron content of tissue biopsy Gaucher cells, which was markedly increased, apparently as a consequence of erythrophagocytosis. Particularly intense iron-related peaks were found in liver cytosiderosis due to neonatal or genetic haemochromatosis, thalassaemia major and in animal models of iron overload. An additional finding was the presence of aluminium accumulation in siderosomes of different cells. In liver biopsy samples from human Wilson's disease and from rats with an inherited disorder causing copper toxicosis, copper-containing compounds were identified and localized, and their relative concentration was estimated by LAMMA. The present study showed that LAMMA is a valuable technique for the localization and estimation of relative abundance of trace elements in various tissues containing excessive amounts of metals.
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122
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Swissa M, Lerner A, Sasaki T, Sela E, Blank M, Shoenfeld Y. The diverse pathogenic potential of anti-DNA antibodies from various sources to induce experimental systemic lupus erythematosus. Pathobiology 1996; 64:32-9. [PMID: 8856793 DOI: 10.1159/000164003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
It has previously been shown that immunization with pathogenic anti-DNA idiotypes (Ids; e.g. 16/6 Id) leads to the induction of experimental system lupus erythematosus (SLF) in naive mice. The disease is characterized by serological (e.g. anti-double-strand DNA), clinical (elevation of erythrocyte sedimentation rate, leukopenia and proteinuria) and histological (immune complex deposition in kidneys) parameters. To determine whether the 16/6 Id carrying anti-DNA antibodies has unique pathogenic ability, in the current study we have employed diverse sources of anti-DNA antibodies to induce experimental SLE. An IgM anti-DNA antibody lacking the 16/6 Id was able to induce the production of the serological markers of experimental SLE, but not the clinico-histological findings. Furthermore, an IgA anti-DNA (16/6 Id derived from the serum of a patient with celiac disease was very effective in inducing the whole presentation of experimental SLE. Other anti-DNA antibodies failed to induce the autoimmune condition. Combined with our previous experience, the current study points to the diverse potential of various anti-DNA antibodies to induce SLE. The 16/6 Id is only one of a list of the potent pathogenic anti-DNA Ids. These facts may explain in part the diversity of clinical presentations of SLE, including asymptomatic subjects who carry high serum titers of anti-DNA antibodies.
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123
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Lahat N, Ben-Nun A, Cohen L, Kinarty A, Lerner A. T cell receptor repertoire in the peripheral blood and intestinal mucosa of coeliac patients. Clin Exp Immunol 1995; 101:422-7. [PMID: 7664488 PMCID: PMC1553235 DOI: 10.1111/j.1365-2249.1995.tb03129.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The alpha beta and gamma delta T cell receptor (TCR) repertoire in the peripheral blood and intestinal mucosa of six coeliac and six age-matched controls was analysed by reverse transcription and polymerase chain reaction (PCR). No TCR alpha and gamma delta restriction was observed in coeliacs and controls. However, V gamma 3 was expressed only in coeliac peripheral and intestinal T cells. V delta 2 was strongly expressed in coeliacs and scarcely transcribed in control cells. The unique expression of these gamma delta TCR in coeliac patients suggests that V gamma 3 and perhaps V delta 2 TCR-bearing lymphocytes may play a role in the pathogenesis of coeliac disease.
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124
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Ben-Rafael Z, Dekel A, Lerner A, Orvieto R, Halpern M, Powsner E, Voliovitch I. Laparoscopic removal of an abdominal pregnancy adherent to the appendix after ovulation induction with human menopausal gonadotrophin. Hum Reprod 1995; 10:1804-5. [PMID: 8582985 DOI: 10.1093/oxfordjournals.humrep.a136179] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The laparoscopic management of tubal pregnancies has become a standard form of treatment. We present, for the first time, a successful laparoscopic approach in the management of early abdominal pregnancy. Although it is difficult to reach conclusions from such limited published experience, it nevertheless appears that early abdominal pregnancies can be treated via operative laparoscopy. The possible advantages of such a therapeutic approach include lower morbidity and mortality, and a better fertility prognosis.
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125
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Pacht A, Sinai N, Hornstein L, Kumar V, Ish-Shalom N, Lerner A. The diagnostic reliability of anti-endomysial antibody in celiac disease: the north Israel experience. ISRAEL JOURNAL OF MEDICAL SCIENCES 1995; 31:218-20. [PMID: 7721558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Assessment of anti-endomysial antibody (EMA) for the diagnosis and follow-up of celiac disease (CD) is widely accepted, but its applicability has never been investigated in Israel. We therefore investigated EMA as a diagnostic tool in a pediatric population, residing in the northern part of Israel, with suspected celiac disease. EMA was assessed by an indirect immunofluorescence assay using monkey esophageal sections as a substrate in 22 active CD, 17 non-active CD, and 22 non-CD children. EMA titers were correlated with small bowel mucosal pathology. Sensitivity and specificity of EMA were 100%. EMA levels are diet dependent, increasing on a gluten-containing diet and decreasing with gluten withdrawal after 3-12 months. EMA is a reliable marker for the diagnosis of CD, and reflects gluten intake changes and patients' dietary compliance. In our laboratory, EMA is suitable for the diagnosis and follow-up of CD.
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