Janine Jason, M.D.

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Epidemiologic differences between sexual and physical child abuse

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Abstract

Sexual and physical child abuse are assumed to differ; however, these differences have not been well characterized epidemiologically. Furthermore, despite assumed differences, these types of abuse are often analyzed as one entity. This can have significant effects on assessment of risk and recommendations for intervention.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Transient antibody deficiency and abnormal t-suppressor cells induced by phenytoin

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Abstract

The lack of normal  B-cell  differentiation in patients with acquired or congenital antibody  deficiency may reflect abnormalities inherent in cells of B-lymphoid  lineage or may  involve abnormalities of regulatory (suppressor) cells. Circulating suppressor T cells,  which interfere with IgM secretion in a plaque-forming-cell assay, have been found in 60 per cent of these patients,  but their role in the pathogenesis of the disease is unclear. … Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Objective birth data and the prediction of child abuse

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Abstract

Data from the USA suggest that many cases of abuse are not reported to child abuse agencies.  It is highly likely that the population characteristics associated with risk of abuse may actually represent risk of abuse coming to the attention of the authorities.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

How T lymphocytes recognize antigen

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Abstract

One of the most intriguing problems in immunology during the years since the discovery of T cells as an entity has been the nature and specificity of their receptors. The study of the antigen-binding receptors in T cells has been plagued by a number of technical difficulties that are just now being solved.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

T lymphocytes responding to Mls-locus antigens are Lyt-1+, 2- and I-A restricted

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Abstract

We have investigated primary and secondary responses of mouse splenic T cells to strong mixed lymphocyte stimulating antigens controlled by the Mls locus using MHC-identical mixtures of cells. Our studies show that strong primary Mls-locus specific responses involve recognition of self I-A antigens, since BUdR and light suicide or F1 into parent radiation bone-marrow chimeras both demonstrate a preference of unprimed F1 T cells to respond to Mls-locus antigens associated with one parent’s MHC antigens.… Read more

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Quantitation of human thymus/leukemia-associated antigen by radioimmunoassay in different forms of leukemia

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Abstract

Using a radioimmunoassay, increased levels of a human thymus/leukemia-associated antigen (HThy-L) have been detected in leukemic cells and plasma from most patients with E-rosette-positive acute lymphoblastic leukemia (ALL) and a number of patients with E-rosette-negative ALL, acute myeloblastic leukemia (AML), acute monomyelocytic leukemia (AMML), and acute undifferentiated leukemia (AVL).… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Diagnostic considerations in ataxia-telangiectasia

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Abstract

13 children with ataxia-telangiectasia were followed for 6 years. Unlike previously reported cases, these patients had progressive, debilitating neurological disease and slight pulmonary or infectious symptoms. Immunological dysfunction was variable and endocrinological defects were absent. Oculomotor findings, alpha-fetoprotein levels, and the incidence of chromosomal breakage were the most consistent parameters in the diagnosis of the condition.… Read more