969 resultados para Not in our genes


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Mode of access: Internet.

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"Covering ... (July 1, 1986 to June 30, 1987)."

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Mode of access: Internet.

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"A war volume of the President's messages to follow Why we are at war."--Foreword.

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"A compendious history of anatomy" and "The Ruyschian art and method of making preparations to exhibit the structure of the human body" (32 p. at front of v. 1) are by Robert Hooper, and are reprinted, with slight changes in text, from his The anatomist's vade-mecum, 4th ed., London, 1802.

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On spine: Banffshire words.

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Background: Tuberculosis is an important cause of wasting. The functional consequences of wasting and recovery may depend on the distribution of lost and gained nutrient stores between protein and fat masses. Objective: The goal was to study nutrient partitioning, ie, the proportion of weight change attributable to changes in fat mass (FM) versus protein mass (PM), during anti mycobacterial treatment. Design: Body-composition measures were made of 21 men and 9 women with pulmonary tuberculosis at baseline and after 1 and 6 mo of treatment. All subjects underwent dual-energy X-ray absorptiometry and deuterium bromide dilution tests, and a four-compartment model of FM, total body water (TBW), bone minerals (BM), and PM was derived. The ratio of PM to FM at any time was expressed as the energy content (p-ratio). Changes in the p-ratio were related to disease severity as measured by radiologic criteria. Results: Patients gained 10% in body weight (P < 0.001) from baseline to month 6. This was mainly due to a 44% gain in FM (P < 0.001); PM, BM, and TBW did not change significantly. Results were similar in men and women. The p-ratio decreased from baseline to month 1 and then fell further by month 6. Radiologic disease severity was not correlated with changes in the p-ratio. Conclusions: Microbiological cure of tuberculosis does not restore PM within 6 mo, despite a strong anabolic response. Change in the p-ratio is a suitable parameter for use in studying the effect of disease on body composition because it allows transformation of such effects into a normal distribution across a wide range of baseline proportion between fat and protein mass.

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Objective. To determine whether squamous cervical cancers exhibit mutations or deletions in MHC class I genes or transport-associated protein (TAP) genes. Methods. Polymerase chain reaction based protocols were used to examine HLA class I and TAP genes in a panel of cervical tumours, using DNA from corresponding blood samples as controls. SSP-PCR protocols were similarly used for examination of all TAP alleles in tumour and blood samples. Results. In a series of cervical carcinomas, 7 of 27 (26%) exhibited mutations in HLA-A genes, while 12 of 23 (52%) exhibited mutations in TAP genes. HLA gene mutations were detected in 2 of 14 CIN2-3 lesions, and TAP gene mutations in none of 14, a frequency significantly less than observed in the cervical carcinoma samples (P < 0.01). The TAP 2A/2B heterozygous genotype was observed with increased frequency in patients with cervical cancer compared to population controls (P < 0.02). Conclusion. These data suggest that TAP genes may be relevant to evolution of cervical cancer from precursor lesions. (C) 2004 Elsevier Inc. All rights reserved.