Dee Norval

Responses of the ticks Amblyomma hebraeum and A. variegatum to known or potential components of the aggregation-attachment pheromone. III. Aggregation.

Responses of the ticks Amblyomma hebraeum and A. variegatum to known or potential components of the aggregation-attachment pheromone. IV. Attachment stimulation of nymphs.

Lymphoproliferative responses to human papillomaviruses in patients with cutaneous warts.

The role of histamine-like receptors in immunosuppression of delayed hypersensitivity induced by cis-urocanic acid.

The effect of ultraviolet B irradiation, cis-urocanic acid and tumour necrosis factor-alpha on delayed hypersensitivity to herpes simplex virus.

Comparison of the attachment rates of males of the ticks Amblyomma hebraeum and A. variegatum to cattle, sheep and rabbits in the absence of aggregation-attachment pheromone.

Mucocutaneous infections with herpes simplex virus and their management.

The effect of ultraviolet B irradiation and urocanic acid isomers on dendritic cell migration.

The use of time-series analysis to forecast bont tick (Amblyomma hebraeum) infestations in Zimbabwe.

Olfactory responses of adult Amblyomma hebraeum and A. variegatum (Acari: Ixodidae) to attractant chemicals in laboratory tests.

The role of urocanic acid in UV-induced immunosuppression: recent advances (1992-1994).

The effect of chronic low-dose UVB radiation on Langerhans cells, sunburn cells, urocanic acid isomers, contact hypersensitivity and serum immunoglobulins in mice.

Effects of tick infestation and tick-borne disease infections (heartwater, anaplasmosis and babesiosis) on the lactation and weight gain of Mashona cattle in south-eastern Zimbabwe.

An unusual variant of keratoameloblastoma.

Laboratory reared Amblyomma hebraeum and Amblyomma variegatum ticks differ in their susceptibility to infection with Cowdria ruminantium.

Generation and characterization of cloned Theileria parva parasites.

Correlation between antibodies to Cowdria ruminantium (rickettsiales) in cattle and the distribution of Amblyomma vector ticks in Zimbabwe.

Evaluating the economic damage threshold for bont tick (Amblyomma hebraeum) control in Zimbabwe.

Pheromonal composition of two species of African Amblyomma ticks: similarities, differences and possible species specific components.

Factors affecting the distributions of the ticks Amblyomma hebraeum and A. variegatum in Zimbabwe: implications of reduced acaricide usage.

A monoclonal antibody to cis-urocanic acid prevents the ultraviolet-induced changes in Langerhans cells and delayed hypersensitivity responses in mice, although not preventing dendritic cell accumulation in lymph nodes draining the site of irradiation and contact hypersensitivity responses.

Development and evaluation of PCR assay for detection of low levels of Cowdria ruminantium infection in Amblyomma ticks not detected by DNA probe.

An unusual presentation of an unusual complication of infectious mononucleosis: haematemesis and melaena.

Comparative potency of different UV sources in reducing the density and antigen-presenting capacity of Langerhans cells in C3H mice.

The effects of ultraviolet light irradiation on viral infections.

Role of tumour necrosis factor-alpha in ultraviolet B light-induced dendritic cell migration and suppression of contact hypersensitivity.

Development and transmission of Cowdria ruminantium by Amblyomma males transferred from infected to susceptible sheep.

Local epidermal viral infections: comparative aspects of vaccinia virus, herpes simplex virus and human papillomavirus in man and orf virus in sheep.

Immune responses of patients to orf virus infection.

Comparative potency of broad-band and narrow-band phototherapy sources to induce edema, sunburn cells and urocanic acid photoisomerization in hairless mouse skin.

Effect of phototherapy and urocanic acid isomers on natural killer cell function.

The effect of UV therapy on immune function in patients with psoriasis.

Characterization of a monoclonal antibody to cis-urocanic acid: detection of cis-urocanic acid in the serum of irradiated mice by immunoassay.

Action spectra for the trans to cis photoisomerisation of urocanic acid in vitro and in mouse skin.

The role of cis-urocanic acid in UVB-induced immunosuppression.

The relationship between tick (Amblyomma hebraeum) infestation and immunity to heartwater (Cowdria ruminantium infection) in calves in Zimbabwe.

Urocanic acid isomers in human skin: analysis of site variation.

The effect of UV-B irradiation on secondary epidermal infection of mice with herpes simplex virus type 1.

Minimal follow-up after functional endoscopic sinus surgery. Does it affect outcome?

Human papillomavirus infections.

A self-medicating applicator for control of ticks on deer.

Efficacy of pheromone-acaricide-impregnated tail-tag decoys for controlling the bont tick, Amblyomma hebraeum (Acari: Ixodidae), on cattle in Zimbabwe.

Demonstration of vertical transmission of Cowdria ruminantium, the causative agent of heartwater, from cows to their calves.

Colostrum from dams living in a heartwater-endemic area influences calfhood immunity to Cowdria ruminantium.

Lack of induction of IL-10 expression in human keratinocytes.

UV radiation and mouse models of herpes simplex virus infection.

A pilot trial on the experimental infection of springbok (Antidorcas marsupialis) and eland (Taurotragus oryx) with a goat strain of Strongyloides papillosus.

Efficacy of tail-tag decoys impregnated with pheromone and acaricide for control of bont ticks on cattle.

Factors influencing infections in Rhipicephalus appendiculatus ticks fed on cattle infected with Theileria parva.

Differential effects of a monoclonal antibody to cis-urocanic acid on the suppression of delayed and contact hypersensitivity following ultraviolet irradiation.

Immunomodulation at the initiation of phototherapy and photochemotherapy.

The role of cis-urocanic acid in UVB-induced suppression of contact hypersensitivity.

Investigating the red shift between in vitro and in vivo urocanic acid photoisomerization action spectra.

Monitoring Babesia bovis infections in cattle by using PCR-based tests.

Chromophore for UV-induced immunosuppression: urocanic acid.

Infestations of the bont tick Amblyomma hebraeum (Acari: Ixodidae) on different breeds of cattle in Zimbabwe.

The sunscreening effect of urocanic acid.

The role of dendritic cells in cutaneous immunity.

Exposure of UVB-sensitive mice to immunosuppressive doses of UVB in vivo fails to affect the accessory function or the phenotype of draining lymph node dendritic cells.

Cytokine mRNA expression in cutaneous warts: induction of interleukin-1 alpha.

Effects of phototherapy on the production of cytokines by peripheral blood mononuclear cells and on systemic antibody responses in patients with psoriasis.

Quercetin prevents UV-induced local immunosuppression, but does not affect UV-induced tumor growth in SKH-1 hairless mice.

The effect of chronic treatment of mice with urocanic acid isomers.

Expression of interleukin-10 mRNA in herpes simplex virus-infected keratinocytes in vivo and in vitro.

Interleukin 4 and ultraviolet light induced immunosuppression.

Biological effects of narrow-band (311 nm TL01) UVB irradiation: a review.

The effects of the bont tick, Amblyomma hebraeum, on milk production of Sanga and Sanga x Brahman cattle.

The effects of the brown ear-tick, Rhipicephalus appendiculatus, on milk production of Sanga cattle.

The effects of the brown ear-tick, Rhipicephalus appendiculatus, on milk production in dairy cattle.

Seasonal variation in urocanic acid isomers in human skin.

Urocanic acid isomers: relation to body site, pigmentation, stratum corneum thickness and photosensitivity.

An open trial of topical urocanic acid for the treatment of stable plaque psoriasis.

The role of interleukin-4 in ultraviolet B light-induced immunosuppression.

Histamine involvement in UVB- and cis-urocanic acid-induced systemic suppression of contact hypersensitivity responses.

Lack of association between interleukin-6 production by contact allergen-activated draining lymph node cells and lymphoproliferative activity.

Physiologic doses of urocanic acid do not alter the allostimulatory function or the development of murine dendritic cells in vitro.

DOTS in Cambodia. Directly observed treatment with short-course chemotherapy.

The effect of UVB irradiation on antibody responses during herpes simplex virus type 1 (HSV-1) infections of mice.

Estimation of the effect of increasing UVB exposure on the human immune system and related resistance to infectious diseases and tumours.

Contrasting effects of ultraviolet A1 and ultraviolet B exposure on the induction of tumour necrosis factor-alpha in human skin.

A mucosa-associated lymphoid tissue (MALT) type lymphoma (marginal zone B-cell lymphoma) from the palatine tonsil.

Urocanic acid isomers in patients with basal cell carcinoma and cutaneous malignant melanoma.

Urocanic acid isomers and photosensitivity in healthy children.

UV-induced immunosuppression in virus infections.

Differential effect of phototherapy on the activities of human natural killer cells and cytotoxic T cells.

Isomerization of urocanic acid after ultraviolet radiation is influenced by skin pigmentation.

The role of urocanic acid in UVB-induced suppression of immunity to Trichinella spiralis infection in the rat.

The UV waveband dependencies in mice differ for the suppression of contact hypersensitivity, delayed-type hypersensitivity and cis-urocanic acid formation.

The effects of ultraviolet radiation on the human immune system.

The effect of UV-B irradiation on primary and secondary HSV-1 infections in interleukin-4 knockout mice.

The parasitological and serological prevalence of tsetse-transmitted bovine trypanosomosis in the Eastern Caprivi (Caprivi District, Namibia).

DOTS (Directly Observed Treatment Strategy) project in Mongolia, 1995.

The mechanisms and consequences of ultraviolet-induced immunosuppression in the skin and eye.

Estimate of the global market for rifampicin-containing fixed-dose combination tablets.

Availability of quality fixed-dose combinations for the treatment of tuberculosis: what can we learn from studying the World Health Organization's vaccine model?

Sunscreen protection against cis-urocanic acid production in human skin.

UV-induced changes in the immune response to microbial infections in human subjects and animal models.

Effects of UV irradiation on skin and nonskin-associated herpes simplex virus infections in rats.

Transcutaneous immunisation with herpes simplex virus stimulates immunity in mice.

Differential effects of UVA1 and UVB radiation on Langerhans cell migration in mice.

Hemangiomatous ameloblastoma: Clinical, radiologic, and pathologic features.

Herpes simplex virus-specific immune responses in subjects with frequent and infrequent orofacial recrudescences.

cis-Urocanic acid does not induce the expression of immunosuppressive cytokines in murine keratinocytes.

Urocanic acid isomers in patients with non-melanoma skin cancer.

Ultraviolet-B radiation induces modulation of antigen presentation of herpes simplex virus by human epidermal cells.

What's new in photoimmunology.

Effects of solar radiation on the human immune system.

IL-12 prevents the inhibitory effects of cis-urocanic acid on tumor antigen presentation by Langerhans cells: implications for photocarcinogenesis.

A review of studies on the effects of ultraviolet irradiation on the resistance to infections: evidence from rodent infection models and verification by experimental and observational human studies.

Non-Hodgkin's lymphomas of Waldeyer's ring: a clinicopathological and immunological study of 64 cases in the western Cape.

Infection of murine keratinocytes with herpes simplex virus type 1 induces the expression of interleukin-10, but not interleukin-1 alpha or tumour necrosis factor-alpha.

What's new in photoimmunology?

The potentially insecticidal Narcissus pseudonarcissus lectin demonstrates age-related mitogenicity.

Theory-practice integration in selected clinical situations.

Systemic immune responses following infection with Jaagsiekte sheep retrovirus and in the terminal stages of ovine pulmonary adenocarcinoma.

Photoimmunosuppression.

Studies to determine the immunomodulating effects of cis-urocanic acid.

What's new in photoimmunology?

Pulp histology after Er:YAG laser cavity preparation in subhuman primates--a pilot study.

Immunosuppression induced by ultraviolet radiation: relevance to public health.

The role of solar ultraviolet irradiation in zoster.

Local immune responses and systemic cytokine responses in zoster: relationship to the development of postherpetic neuralgia.

Hypohydrotic ectodermal dysplasia: an unusual presentation and management in an 11-year-old Xhosa boy.

Application of a systemic herpes simplex virus type 1 infection in the rat as a tool for sunscreen photoimmunoprotection studies.

Health effects from stratospheric ozone depletion and interactions with climate change.

The effects of UV waveband and cis-urocanic acid on tumour outgrowth in mice.

Dietary selenium levels determine epidermal langerhans cell numbers in mice.

Viability of the antigen determines whether DNA or urocanic acid act as initiator molecules for UV-induced suppression of delayed-type hypersensitivity.

Exposure to multiple doses of UVB radiation reduces the numbers of epidermal Langerhans cells and lymph node dendritic cells in mice.

Whole-body UVB (TL-01) or UVA-1 irradiation does not alter the levels of immunomodulatory cytokines in the serum of human volunteers.

From tuberculin to prevalence survey in Cambodia.

Symptoms and sites of pain experienced by AIDS patients.

Mathematical models of tick-borne disease transmission.

Environmental effects of ozone depletion and its interactions with climate change: progress report, 2004.

An action spectrum for the production of cis-urocanic acid in human skin in vivo.

An influx of macrophages is the predominant local immune response in ovine pulmonary adenocarcinoma.

Decrease in langerhans cells and increase in lymph node dendritic cells following chronic exposure of mice to suberythemal doses of solar simulated radiation.

Suppression of contact hypersensitivity after repeated exposures of humans to low doses of solar simulated radiation.

Circulating leukocyte and cytokine responses to measles and poliovirus vaccination in children after ultraviolet radiation exposures.

Lack of effect of repeated suberythemal ultraviolet-B exposures on human blood dendritic subtypes.

Adaptation to the UV-induced suppression of phagocytic activity in murine peritoneal macrophages following chronic exposure to solar simulated radiation.

Jaagsiekte sheep retrovirus-specific immune responses induced by vaccination: a comparison of immunisation strategies.

The mechanisms and consequences of ultraviolet-induced immunosuppression.

Foetal alcohol syndrome: a dental and skeletal age analysis of patients and controls.

The effect of ultraviolet radiation on human viral infections.

Cis-urocanic acid, a sunlight-induced immunosuppressive factor, activates immune suppression via the 5-HT2A receptor.

Repeated exposures of humans to low doses of solar simulated radiation lead to limited photoadaptation and photoprotection against UVB-induced erythema and cytokine mRNA up-regulation.

Repeated low-dose ultraviolet (UV) B exposures of humans induce limited photoprotection against the immune effects of erythemal UVB radiation.

Environmental effects of ozone depletion: 2006 assessment: interactions of ozone depletion and climate change. Executive summary.

The effects on human health from stratospheric ozone depletion and its interactions with climate change.

Patient-controlled expansion: applying a new technique to breast reconstruction.

Lack of effect of oral selenite on p53 associated gene expression during TL01 therapy of psoriasis patients.

Increased cyclooxygenase expression and thymine dimer formation after repeated exposures of humans to low doses of solar simulated radiation.

Elicitation of contact hypersensitivity after repeated suberythemal exposures of humans to solar simulated radiation: number of epidermal Langerhans cells.

The effect of chronic ultraviolet radiation on the human immune system.

Revising the tuberculosis recording and reporting information system.

Comment on "hypothesis-ultraviolet-B irradiance and vitamin D reduce the risk of viral infections and thus their sequelae, including autoimmune diseases and some cancers" by W.B. Grant, Photochem. Photobiol. (2007).

Recent advances in urocanic acid photochemistry, photobiology and photoimmunology.

cis-Urocanic acid initiates gene transcription in primary human keratinocytes.

Differential effects of doses and forms of dietary selenium on immune cell numbers in the skin of ultraviolet-irradiated and unirradiated mice.

Local effects of TL01 phototherapy in psoriasis.

Vitamin D3 deficiency enhances contact hypersensitivity in male but not in female mice.

Systematic administration of chloroquine in discoid lupus erythematosus reduces skin lesions via inhibition of angiogenesis.

The effect of repeated exposures to low-dose UV radiation on the apoptosis of peripheral blood mononuclear cells.

Environmental effects of ozone depletion and its interactions with climate change: progress report, 2008.

Effects of the brown anole invasion and betelnut palm planting on arthropod diversity in southern Taiwan.

Comment on "In vitro model of vitamin D(3) (cholecalciferol) synthesis by UV radiation: dose-response relationships" by W.J. Olds, A.R. McKinley, M.R. Moore and M.G. Kimlin, J. Photochem. Photobiol. B: Biol. 93 (2008) 88-93.

cis-Urocanic acid stimulates primary human keratinocytes independently of serotonin or platelet-activating factor receptors.

Does chronic sunscreen use reduce vitamin D production to insufficient levels?

Suberythemal ultraviolet B radiation alters the expression of cell cycle-related proteins in the epidermis of human subjects without leading to photoprotection.

Is the action spectrum for the UV-induced production of previtamin D3 in human skin correct?

Environmental effects of ozone depletion and its interactions with climate change: progress report, 2009.

Review of prescribing practices: an essential tool for measuring the quality of tuberculosis services.

Aryl phosphoramidates of 5-phospho erythronohydroxamic acid, a new class of potent trypanocidal compounds.

Absence of markers of betaretrovirus infection in human pulmonary adenocarcinoma.

Ultraviolet irradiation of mice reduces the competency of bone marrow-derived CD11c+ cells via an indomethacin-inhibitable pathway.

Urocanic acid in the skin: a mixed blessing?

Focal cemento-osseous dysplasia: review and a case report.

The human health effects of ozone depletion and interactions with climate change.

cis-Urocanic acid enhances prostaglandin E2 release and apoptotic cell death via reactive oxygen species in human keratinocytes.

Central nervous system exposure of next generation quinoline methanols is reduced relative to mefloquine after intravenous dosing in mice.

UV-induced immunosuppression and the efficacy of vaccination.

An enhanced risk of basal cell carcinoma is associated with particular polymorphisms in the VDR and MTHFR genes.

The consequences of UV-induced immunosuppression for human health.

Characterization of in vivo metabolites of WR319691, a novel compound with activity against Plasmodium falciparum.

Optimisation of the anti-Trypanosoma brucei activity of the opioid agonist U50488.

The challenges of UV-induced immunomodulation for children's health.

Discovery of a novel class of orally active trypanocidal N-myristoyltransferase inhibitors.

Environmental effects of ozone depletion and its interactions with climate change: progress report, 2011.

The anti-trypanosome drug fexinidazole shows potential for treating visceral leishmaniasis.

The distribution of immune cells in the lungs of classical and atypical ovine pulmonary adenocarcinoma.

Risk factors in Central Poland for the development of superficial and nodular basal cell carcinomas.

Skin-targeted inhibition of PPAR β/δ by selective antagonists to treat PPAR β/δ-mediated psoriasis-like skin disease in vivo.

Toward homeostasis: regulatory dendritic cells from the bone marrow of mice with inflammation of the airways and peritoneal cavity.

Solar ultraviolet radiation exposure and human health in South Africa: finding a balance.

Myxofibrosarcoma arising in the maxillary sinus: a case report with a review of the ultrastructural findings and differential diagnoses.

Automated design of ligands to polypharmacological profiles.

Vitamin D and solar ultraviolet radiation in the risk and treatment of tuberculosis.

Dietary vitamin D alters the response of the skin to UVB-irradiation depending on the genetic background of the mice.

Photoimmunosuppression: a brief overview.