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Biomedical subjects

J Bill

Publications and source records attributed to J Bill.

43 records · Page 3Linked to original sources

Occupation and lung cancer risk among New Jersey white males.

The association of occupation with lung cancer risk was examined in a case-control study conducted in six areas of New Jersey. The study included 763 white males with incident histologically confirmed primary cancer of the trachea, bronchus, and lung and 900 general population white male controls selected from driver's license and death certificate files. Altogether, 27 employment categories had a smoking-adjusted odds ratio (OR) of 1.3 or greater; five of these with significantly high OR contributed to an occupational population attributable risk of 13%. Masons and tilesetters; janitors and cleaners; printing workers; and trucking service, warehousing, and storage workers had significantly high risks overall and for longer durations of employment. Shipbuilding workers had significantly high risk overall and for short duration of employment. Although the excess risk for all shipbuilding workers was primarily among those with reported exposure to asbestos, the risk was also high among welders, burners, sheet metal workers, and boilermakers with no reported asbestos exposure.

Asbestos↗

Expression of human chromosome 11-encoded cell-surface antigens by DNA-mediated transfectants.

DNA-mediated transfectants were isolated that expressed two of the cell-surface antigens encoded by human chromosome 11. These tranfectants were used to analyze monoclonal antibodies selected to recognize human cell-surface antigens expressed by a somatic cell hybrid containing 11 as its only human chromosome. Analysis of the transfectants, deletion hybrids, and mutants showed that the monoclonal antibodies recognized at least five different antigens, one of which we had not identified previously. A majority of the monoclonal antibodies recognized the a1 antigen. The use of cells from higher primates demonstrated that the a1-specific monoclonal antibodies recognize at least two epitopes.

Animals↗

Relationships between genes on human chromosome 11 encoding cell-surface antigens.

Genes encoding seven monoclonal antibody-defined cell-surface antigens have been regionally mapped on human chromosome 11, and compared to those of the AL complex defined by polyclonal antibodies using mutational analysis. MIC1, encoding W6/34 antigen, is probably identical to S1, previously mapped to 11pter-p13. MDU1 and MIC8, encoding 4F2 and TRA-1.10 antigens, respectively, are probably identical to S2(a4) and map to 11q13-q22. MIC9, which governs expression of 4D12 and 2E2 antigens, and maps to 11q22-qter, is not related to any of the five AL genes. MIC4 and MIC11, both mapping to 11pter-p13, may have some relationship to S3 and S1, respectively, but identity has not been proven.

Antibodies, Monoclonal↗

Occupational risk factors and liver cancer. A retrospective case-control study of primary liver cancer in New Jersey.

A retrospective case-control study was conducted to identify occupational risk factors associated with primary liver cancer in New Jersey, with particular focus on agricultural occupations and pesticide exposures. Hospital record room, tumor registry, and death certificate searches for the diagnosis of primary liver cancer resulted in identification of 959 cases of which 335 were subsequently confirmed. Interviews were completed for 265 persons with liver cancer diagnosed between January 1, 1975 and March 1, 1980 and for 530 matched controls; 96% of all interviews were conducted with family members of deceased or incompetent study subjects. Analyses of employment in agricultural occupations identified male farm laborers as having an odds ratio of 1.89 (95% confidence interval (CI) 1.19-3.00). An estimated relative risk of 3.20 (CI 1.11-9.21) was found for males engaged in winemaking. Among nonagricultural occupations, elevated risks were found for males working as bartenders and those employed in eating and drinking places, laundries and dry cleaning services, and gasoline service stations. An elevated risk of liver cancer was also associated with females employed as cleaning service workers. Hepatitis and cirrhosis could not be evaluated as risk factors in this study. Dose-response trends by level of alcohol consumption were found for both males and females.

Adult↗

Development of a computerised cancer data management system at the Mayo Clinic.

A multidisciplinary team was assembled to design a cancer data management system that would meet the storage, retrieval and analysis NEEDS OF Mayo's clinical trials of anti-tumour drugs. To fulfill these requirements, a computerised data entry and retrieval system was developed, the primary patient health record used by the oncologists was redesigned and the clerical procedures and work flow within the Cancer Center Statistics Office were reorganised. The end result of this project is a system that has: (1) enabled Mayo to meet its reporting requirements as a Comprehensive Cancer Center; (2) provided the statisticians and the physicians with the capacity to perform more detailed and accurate analyses of clinical trials; (3) reduced the clerical effort needed for preparing reports and analyses; (4) provided the potential for expansion to meet the growing requirements of the future and (5) attained that often elusive goal of computer systems--user satisfaction.

Antineoplastic Agents↗

The consequences of administering blood pretested for HBs Ag by third generation techniques: a progress report.

Elimination of commercial blood, mandatory HBs Ag testing by third generation techniques, and detection and interdiction of incriminated blood donors have all contributed to a dramatic 63 per cent reduction in the estimated number of cases of transfusion-associated hepatitis from 424 in 1970 to 158 in 1973 and an even more dramatic drop in fatalities from 55 to 1970 to 10 in 1973.

Blood Donors↗