The human AQP4 gene: definition of the locus encoding two water channel polypeptides in brain.

The aquaporin family of membrane water transport proteins are expressed in diverse tissues, and in brain the predominant water channel protein is AQP4. Here we report the isolation and characterization of the human AQP4 cDNAs and genomic DNA. Two cDNAs were isolated corresponding to the two initiating methionines (M1 in a 323-aa polypeptide and M23 in a 301-aa polypeptide) previously identified in rat [Jung, J.S., Bhat, R.V., Preston, G.M., Guggino, W.B. & Agre, P. (1994) Proc. Natl. Acad. Sci. USA 91, 13052-13056]. Similar to other aquaporins, the AQP4 gene is composed of four exons encoding 127, 55, 27, and 92 amino acids separated by introns of 0.8, 0.3, and 5.2 kb. Unlike other aquaporins, an alternative coding initiation sequence (designated exon 0) was located 2.7 kb upstream of exon 1. When spliced together, M1 and the subsequent 10 amino acids are encoded by exon 0; the next 11 amino acids and M23 are encoded by exon 1. Transcription initiation sites have been mapped in the proximal promoters of exons 0 and 1. RNase protection revealed distinct transcripts corresponding to M1 and M23 mRNAs, and AQP4 immunoblots of cerebellum demonstrated reactive polypeptides of 31 and 34 kDa. Using a P1 and a lambda EMBL subclone, the chromosomal site of the human AQP4 gene was mapped to chromosome 18 at the junction of q11.2 and q12.1 by fluorescence in situ hybridization. These studies may now permit molecular characterization of AQP4 during human development and in clinical disorders.

Risk assessment for public health from human interaction with ornamental waters

Water is essential to life; nevertheless ingestion of contaminated water could result in death caused by waterborne diseases such as cholera. Pathogens present in the water can cause diseases, other than those resulting from water ingestion, being registered an increase in the number of case reports in recent years. It is not clear if this increase is due either to a better case reporting system or to an increase in microorganism’s virulence. The generalized use of antibiotics in agriculture and animal farming contributed to their dissemination in the environment which promotes microorganism selection and emergence of resistant strains. This phenomenon can be enhanced by the ability of microorganism to persist within complex communities known as biofilms. In the present work we aim to characterize the microbial population present in ornamental waters and perform a risk assessment for public health resulting from human interaction with it.

Frieze -- Health Sciences

Frieze located in front of building. Smith, Hinchman & Grylls, architects. W.B. Wood Co., construction

Health and Human Services : Hispanic representation and equal employment practices in Region VIII : report to the Honorable Timothy E. Wirth, U.S. Senate /

"November 1990."

Federal aid : programs available to state and local governments : fact sheet for the chairman, Subcommittee on Labor, Health and Human Services, Education, and Related Agencies, Committee on Appropriations, U.S. Senate /

"B-243721"--P. 1.

Public health personnel in the United States, 1980 : second report to the Congress of the Secretary of Health and Human Services as required by section 793 of the Public Health Service Act.

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International comparison of resource allocation in health sciences : an analysis of expenditures on biomedical research in 19 industrialized countries /

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Departments of Labor, Health and Human Services, Education, and related agencies appropriations for 2012 : hearings before a subcommittee of the Committee on Appropriations, House of Representatives, One Hundred Twelfth Congress, first session /

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Departments of Labor, Health and Human Services, Education, and related agencies appropriations for 2014 : hearings before a subcommittee of the Committee on Appropriations, House of Representatives, One Hundred Thirteenth Congress, first session /

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Departments of Labor, Health and Human Services, and Education, and related agencies appropriations for fiscal year 1994 : hearings before a Subcommittee of the Committee on Appropriations, United States Senate, One Hundred Third Congress, first session.

Shipping list no. 94-0642-P (pt. 1).