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Fritschi, Lin; Johnson, Kenneth C.; Kliewer, Erich V.; Fry, Rick

doi:10.1023/a:1016331128897

Cited by 48 publications

(20 citation statements)

References 41 publications

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“…This association seems to be particularly strong for occupational exposure to animals or their products. Previous studies reported a globally increased risk of NHL among individuals exposed to livestock, mainly cattle and pigs (Amadori et al , 1995; Svec et al , 2005; Tranah et al , 2008), or working with meat (Fritschi et al , 2002; McLean and Pearce, 2004), although these associations were not confirmed (Holly et al , 1997; Persson and Fredrikson, 1999; Dryver et al , 2004; Moore et al , 2007). These inconsistencies may be due to the fact that NHLs were considered as a single entity or that only the major NHL histotypes were analysed.…”

Section: Discussionmentioning

confidence: 95%

“…Underlying autoimmunity and exposure to environmental, occupational, or infectious agents have been suggested to increase the risk of NHLs (Guidoboni et al , 2006; Alexander et al , 2007; Blinder and Fisher, 2008; Hjalgrim and Engels, 2008; Marcucci and Mele, 2011). Several animals may be carriers of lymphomagenic infectious agents, and indeed elevated risks have been variably associated with contacts to livestock (Amadori et al , 1995; Svec et al , 2005; Tranah et al , 2008), or with occupational exposure to meat (Fritschi et al , 2002; McLean and Pearce, 2004). However, as available evidence is inconclusive (Moore et al , 2007), as a likely consequence of NHL heterogeneity, subtype-specific aetiological research is required.…”

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confidence: 99%

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Exposure to animals and increased risk of marginal zone B-cell lymphomas of the ocular adnexae

Dolcetti

Serraino

Dognini³

et al. 2012

Br J Cancer

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Background:Ocular adnexal marginal zone B-cell lymphoma (OAMZL) has been associated with Chlamydophila psittaci, an infection that may be transmitted by carrier animals. However, it is still unclear whether exposure to animals affects the risk of OAMZL in comparison with other lymphoma histotypes. We therefore investigated the role of professional and/or domestic exposures to animals in the occurrence of OAMZL, as compared with other types of lymphoma.Methods:A hospital-based case–control study was carried out on 43 consecutive OAMZL patients (cases) and 87 consecutive patients with nodal non-Hodgkin's lymphomas (NHLs; controls). Multiple logistic regression (MLR) odds ratios (ORs), and 95% confidence intervals (CIs) were used to estimate the association between exposures to animals and OAMZL risk.Results:A higher proportion of cases reported a lifetime exposure to household animals (79.1% vs 64.4% among controls), with a non-statistical significant MLR-OR of 2.18 (95% CI: 0.85–5.62). The OAMZL cases more frequently reported a history of occupation in breeding and/or slaughtering than controls (34.9% vs 6.9%), with an overall increased risk of 7.69 (95%CI: 2.65–22.34).Conclusion:These results indicate that, compared with nodal NHLs, the risk of OAMZL is markedly increased by contact with animals, particularly by occupational exposures.

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Section: Discussionmentioning

confidence: 95%

mentioning

confidence: 99%

Exposure to animals and increased risk of marginal zone B-cell lymphomas of the ocular adnexae

Dolcetti

Serraino

Dognini³

et al. 2012

Br J Cancer

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“…A case-control study in New Zealand found an increase in hematological cancer mortality in adults who grew up on a poultry farm (t Mannetje et al 2012). A case-control study in Canada found no association between occupational exposure to poultry, horses, or pigs and leukemia in adults (Fritschi et al 2002). A cohort study of male farmers in Iowa and North Carolina found no association between farmers engaged in poultry or beef production and leukemia incidence (Beane Freeman et al 2012).…”

Section: Discussionmentioning

confidence: 99%

Livestock and poultry density and childhood cancer incidence in nine states in the USA

Booth

Jones

Turyk

et al. 2017

Environmental Research

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Background Parental occupational and childhood exposures to farm animals have been positively associated with childhood brain tumors, whereas associations with childhood leukemia are equivocal. The developing immune system may be influenced by allergen, virus, or other exposures from animal sources, which may contribute to childhood cancer incidence. Methods Incident cancers (acute lymphoblastic leukemia [ALL], acute myeloid leukemia [AML], central nervous system [CNS], peripheral nervous system [PNS]) for children aged 0–4 diagnosed between 2003 and 2008 were obtained from nine National Cancer Institute Surveillance, Epidemiology and End Results (SEER) registries and were linked to U.S. Census of Agriculture data from 2002 and 2007 by county of diagnosis. Animal densities (animal units [AU]/km2; one animal unit is 1,000 pounds of animal weight) were estimated for hogs, cattle, chickens (layers and broilers, separately), equine (horses, ponies, mules, burros, donkeys), goats, sheep, turkeys, and total animals. Animal density was examined in models as both continuous (AU per km2) and categorical variables (quartiles). Animal operation densities (per km2) by size of operation (cattle, hogs, chickens, sheep) were modeled continuously. Rate ratios and 95% confidence intervals were estimated using Poisson regression. Results We found positive associations between AML and broiler chicken densities (RRper 10 AU/km2=1.14, 95% CI=1.02–1.26). ALL rates increased with densities of hog operations (RRper operation/100 km2=1.06, 95% CI=1.02–1.11). PNS cancer rates were inversely associated with layer chicken density (RRper log of AU/km2=0.94, 95% CI=0.89–0.99). No association was found between any cancer type and densities of cattle, equine, or goats. Conclusions Although limited by the ecologic study design, some of our findings are novel and should be examined in epidemiological studies with individual level data.

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“…Since the hematopoietic system is involved with immunity and is the origin of AML, frequent exposure to viruses and infectious agents may initiate immune responses that promote hematopoietic malignancies [37]. Previous research has found that workers who work with living animals may be at risk for leukemia [23,32,33,37–39]. Various livestock (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…electronic component manufacturing) [20,21], dry cleaners [22–24], protective services occupations (e.g. firefighters and police) [23], teachers [23,25], childcare workers [16], registered nurses [23,26,27], diagnostic related technicians [23,26], maids and housekeepers [27], hairdressers [6], barbers [6], radio and telecommunication workers [31], welding, soldering and brazing workers [31], automotive mechanics [23], tool and die makers [22], butchers [32,33], shoe makers [34] and workers employed in oil/gas/rubber I&Os (who may be exposed to benzene and its byproducts) [6,25]. …”

Section: Methodsmentioning

confidence: 99%

Acute myeloid leukemia risk by industry and occupation

Tsai

Luckhaupt

Schumacher

et al. 2014

Leukemia & Lymphoma

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Acute myeloid leukemia (AML) is the most common type of leukemia found in adults. Identifying jobs that pose a risk for AML may be useful for identifying new risk factors. A matched case–control analysis was conducted using California Cancer Registry data from 1988 to 2007. This study included 8999 cases of AML and 24 822 controls. Industries with a statistically significant increased AML risk were construction (matched odds ratio [mOR] = 1.13); crop production (mOR = 1.41); support activities for agriculture and forestry (mOR = 2.05); and animal slaughtering and processing (mOR = 2.09). Among occupations with a statistically significant increased AML risk were miscellaneous agricultural workers (mOR = 1.76); fishers and related fishing workers (mOR = 2.02); nursing, psychiatric and home health aides (mOR = 1.65); and janitors and building cleaners (mOR = 1.54). Further investigation is needed to confirm study findings and to identify specific exposures responsible for the increased risks.

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Untitled

Cited by 48 publications

References 41 publications

Exposure to animals and increased risk of marginal zone B-cell lymphomas of the ocular adnexae

Exposure to animals and increased risk of marginal zone B-cell lymphomas of the ocular adnexae

Livestock and poultry density and childhood cancer incidence in nine states in the USA

Acute myeloid leukemia risk by industry and occupation

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