Review
Abstract
Inability to recognize incident infection has traditionally limited both scientific and public health approaches to HIV disease. Recently, some laboratories have begun adding HIV nucleic acid amplification testing to HIV diagnostic testing algorithms so that acute (antibody-negative) HIV infections can be routinely detected within the first 1–3 weeks of exposure. In this review article, we will highlight critical opportunities for HIV treatment and prevention that are presented by these diagnostic strategies.
Authors
Christopher D. Pilcher, Joseph J. Eron Jr., Shannon Galvin, Cynthia Gay, Myron S. Cohen
Abstract
Dengue is an expanding public health problem, and an effective vaccine remains elusive. This review discusses how the significant influence of sequential infection with different dengue virus serotypes on the severity of disease can be viewed in terms of beneficial and detrimental effects of heterologous immunity. A more complete understanding of these effects is likely to be critical for predicting optimal vaccine-induced immune responses.
Authors
Alan L. Rothman
Abstract
Multiple sclerosis is a complex genetic disease associated with inflammation in the CNS white matter thought to be mediated by autoreactive T cells. Clonal expansion of B cells, their antibody products, and T cells, hallmarks of inflammation in the CNS, are found in MS. This review discusses new methods to define the molecular pathology of human disease with high-throughput examination of germline DNA haplotypes, RNA expression, and protein structures that will allow the generation of a new series of hypotheses that can be tested to develop better understanding of and therapies for this disease.
Authors
David A. Hafler
Abstract
Human population growth, technological advances, and changing social behaviors lead to the selection of new microbial pathogens. Antimicrobial drugs, vaccines, diagnostics, and treatments for emerging infectious diseases must be developed. The selective forces that drive the emergence of new infectious diseases, and the implications for our survival, are just beginning to be understood.
Authors
Vincent R. Racaniello
Abstract
A revolution in the governance of global infectious disease threats is under way, accelerated by events triggered by the outbreak of SARS in 2003. This review article analyzes pre-SARS trends in the governance of infectious diseases, examines the impact of the SARS outbreak on these trends, and posits that germ governance is now a criterion of “good governance” in world affairs.
Authors
David P. Fidler
Abstract
Atopic dermatitis is a chronic inflammatory skin disease associated with cutaneous hyperreactivity to environmental triggers and is often the first step in the atopic march that results in asthma and allergic rhinitis. The clinical phenotype that characterizes atopic dermatitis is the product of interactions between susceptibility genes, the environment, defective skin barrier function, and immunologic responses. This review summarizes recent progress in our understanding of the pathophysiology of atopic dermatitis and the implications for new management strategies.
Authors
Donald Y.M. Leung, Mark Boguniewicz, Michael D. Howell, Ichiro Nomura, Qutayba A. Hamid
Abstract
Human African trypanosomiasis (HAT), also known as sleeping sickness, is a major cause of mortality and morbidity in sub-Saharan Africa. Current therapy with melarsoprol for CNS HAT has unacceptable side-effects with an overall mortality of 5%. This review discusses the issues of diagnosis and staging of CNS disease, its neuropathogenesis, and the possibility of new therapies for treating late-stage disease.
Authors
Peter G.E. Kennedy
Abstract
Helicobacter pylori are bacteria that have coevolved with humans to be transmitted from person to person and to persistently colonize the stomach. Their population structure is a model for the ecology of the indigenous microbiota. A well-choreographed equilibrium between bacterial effectors and host responses permits microbial persistence and health of the host but confers risk of serious diseases, including peptic ulceration and gastric neoplasia.
Authors
Martin J. Blaser, John C. Atherton
Abstract
A set of lung diseases share the tendency for the development of progressive fibrosis ultimately leading to respiratory failure. This review examines the common pathogenetic features of these disorders in light of recent observations in both humans and animal models of disease, which reveal important pathways of lung matrix remodeling.
Authors
Harold A. Chapman
Abstract
The anterior pituitary gland integrates the repertoire of hormonal signals controlling thyroid, adrenal, reproductive, and growth functions. The gland responds to complex central and peripheral signals by trophic hormone secretion and by undergoing reversible plastic changes in cell growth leading to hyperplasia, involution, or benign adenomas arising from functional pituitary cells. Discussed herein are the mechanisms underlying hereditary pituitary hypoplasia, reversible pituitary hyperplasia, excess hormone production, and tumor initiation and promotion associated with normal and abnormal pituitary differentiation in health and disease.
Authors
Shlomo Melmed
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