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Projects

EMSG29: Examination of Bull Sperm as a Sentinel Species for Male Reproductive Health

Discussions over possible declines in male sperm counts are hampered by the lack of human data. Data is readily available, however, on sperm counts from other mammals, and this can provide helpful insight to questions regarding male fertility rates. This […]

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CC1-USTR: Interspecies Differences in the Metabolism of Toxic Aldehydes and Ketones by the AKR7 Family of Aldo-Keto Reductases

Highly reactive carbonyl compounds, aldehydes and ketones - found in a diverse range of natural and synthetic compounds - can cause cancer by damaging cell proteins and DNA. To help prevent this cells contain enzymes, which can break down these […]

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R2-TNO: The Role of Irritancy and Irritant-Induced Inflammation in the Elicitation of Respiratory Hypersensitivity Reactions

A range of low molecular weight chemicals can cause adverse reactions in the airways such as allergic asthma, including occupational asthma. Allergies involve a generally symptom-free induction phase where sensitisation is induced, and an elicitation (challenge) phase, where inhalation of […]

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EMSG8: Are Connexins, the Gap Junctional Integral Proteins, Involved in Male Reproductive Disorders Associated With Possible Exposure to Endocrine Disrupting Agents?

The objective of the project is to verify whether impairment of expression and/or function of the gap junctional connexins (elements of the gap junction structure; this structure facilitates "communication" between cells) could be implicated in human male reproductive disorders. An […]

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CC2-LUMC: Gene Expression Profiling in DNA Repair-Deficient XPA Transgenic Mice Following Treatment With Benzo[A]Pyrene and Cyclosporin-A: Lymphomagens with Different Modes of Action

Many environmental chemicals which have been shown to cause cancer in rodents have been implicated in human cancer. However, establishing cause and effect in humans is often impossible. Today, the only accepted test for human carcinogenicity is the two-year rodent […]

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IRTA2-001-SYNG: Transcript Profiling and Cytokine Fingerprinting : Identification and Characterisation of Chemical Respiratory Allergens

Allergic hypersensitivity of the respiratory tract is an important occupational health problem. A major constraint in the development of appropriate methods for the prospective identification of chemical respiratory allergens is the continuing uncertainty regarding the immunobiological mechanisms of this disease […]

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EMSG9: Development of a Sensitive Assay for Androgenic Activity Using Prostate Cells Lines

The objective of the project is to develop an in vitro assay for androgenic activity based on the use of prostate cell lines. This involves testing and validation of the cell line LNCaP, which is sensitive to weak androgens, anti-androgens, […]

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CC2-MRCT: Gene Expression Profiling of Skin Carcinogenesis in Mice Using cDNA Microarrays

Skin cancers are very common in humans - with around one million cases/year in the US - and their development can be affected by stimulators of growth such as certain chemicals. Although initiation is clearly extremely important, clonal expansion (promotion) […]

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IRTA2-001-TNOV: Characterisation of Respiratory Tract Sensitization to Improve Hazard Identification of Respiratory Allergens

This project aimed to improve hazard identification of respiratory chemical allergens, as is presently being done by measuring proliferation and cytokine production in local lymph nodes and IgE in serum upon dermal application of the chemical in question. To this […]

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EMSG10: Do Industrial Oestrogens or Their Metabolites Influence Male Reproductive Function?

The objective of the study was to investigate if alkylphenols, which had been shown to bind to oestrogen receptors, might also influence the catabolism and bioavailablity of natural oestrogens by acting as substrates and/or inhibitors of phenolsulphotransferase activity. The results […]

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