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1.
New Microbes New Infect ; 2(5): 144-9, 2014 Sep.
Article in English | MEDLINE | ID: mdl-25356364

ABSTRACT

Substantial exposure to Borrelia miyamotoi occurs through bites from Ixodes ricinus ticks in the Netherlands, which also transmit Borrelia burgdorferi sensu lato and Anaplasma phagocytophilum. Direct evidence for B. miyamotoi infection in European populations is scarce. A flu-like illness with high fever, resembling human granulocytic anaplasmosis, has been attributed to B. miyamotoi infections in relatively small groups. Borrelia miyamotoi infections associated with chronic meningoencephalitis have also been described in case reports. Assuming that an IgG antibody response against B. miyamotoi antigens reflects (endured) infection, the seroprevalence in different risk groups was examined. Sera from nine out of ten confirmed B. miyamotoi infections from Russia were found to be positive with the recombinant antigen used, and no significant cross-reactivity was observed in secondary syphilis patients. The seroprevalence in blood donors was set at 2.0% (95% CI 0.4-5.7%). Elevated seroprevalences in individuals with serologically confirmed, 7.4% (2.0-17.9%), or unconfirmed, 8.6% (1.8-23%), Lyme neuroborreliosis were not significantly different from those in blood donors. The prevalence of anti-B. miyamotoi antibodies among forestry workers was 10% (5.3-16.8%) and in patients with serologically unconfirmed but suspected human granulocytic anaplasmosis was 14.6% (9.0-21.8%); these were significantly higher compared with the seroprevalence in blood donors. Our findings indicate that infections with B. miyamotoi occur in tick-exposed individuals in the Netherlands. In addition, B. miyamotoi infections should be considered in patients reporting tick bites and febrile illness with unresolved aetiology in the Netherlands, and other countries where I. ricinus ticks are endemic.

2.
Br J Anaesth ; 112(1): 110-7, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24185608

ABSTRACT

BACKGROUND: The influence of frontal brain tumours on bispectral index (BIS) measurements and propofol requirements is unknown. The primary aim of our study was to determine whether BIS values recorded at loss and return of consciousness (LOC and ROC, respectively) differ between patients with unilateral frontal brain tumours and control patients. Secondary goals were to compare propofol requirements for LOC and to determine whether there were significant inter-hemispheric differences between BIS values in tumour and control patients. METHODS: We enrolled 20 patients with a frontal brain tumour and 20 control patients. Bilateral BIS measurements were done during induction of propofol anaesthesia, during recovery of consciousness, and during a second induction of anaesthesia. The isolated-forearm test was used to determine the moments of LOC1, ROC, and LOC2. Arterial blood samples were obtained every 4 min for determination of measured propofol concentrations. RESULTS: The median BIS values recorded at LOC1, ROC, and LOC2 did not differ between the groups. There were no significant inter-hemispheric differences in BIS in tumour and control patients. The median [inter-quartile range (IQR)] total propofol doses at LOC1 were 82 (75-92) and 78 (68-91) mg in tumour and control patients, respectively. The median (IQR) measured plasma propofol concentrations at LOC1 were 12 (9-14) and 13 (11-15) µg ml(-1) in the tumour and control groups, respectively. CONCLUSIONS: The presence of a frontal brain tumour did not affect ipsilateral BIS values, and so need not influence the placement of unilateral BIS electrodes if BIS monitoring is used to titrate propofol anaesthesia.


Subject(s)
Anesthetics, Intravenous/blood , Brain Neoplasms/physiopathology , Consciousness/physiology , Electroencephalography , Propofol/blood , Adult , Aged , Brain Neoplasms/surgery , Female , Humans , Male , Middle Aged
3.
Res Vet Sci ; 93(3): 1122-7, 2012 Dec.
Article in English | MEDLINE | ID: mdl-22541645

ABSTRACT

Craniofacial malformation in 64 sheep was phenotypically described as mandibular distoclusion. Digital radiographs were examined in order to determine the degree of morphological changes in certain bones of the skull. Therefore, laterolateral standardised digital radiographs were used to determine anatomic reference points. Subsequently, five reference lines were defined and 16 linear and seven angular measurements were determined to describe malformations in the bones of the skull. Statistical analysis revealed a significant shortening of the rostral part of the corpus mandibulae and of the ramus mandibulae. However, the molar part of the mandible remained unchanged. These morphological changes caused premolar and molar malocclusion. No further craniofacial abnormalities, such as an elongation of the maxilla or of the incisive bone, were identified. In conclusion, the phenotypically observed mandibular distoclusion is caused by a shortening of specific parts of the mandible. This form of ovine craniofacial malformation is therefore best described as brachygnathia inferior.


Subject(s)
Craniofacial Abnormalities/veterinary , Sheep Diseases/congenital , Skull/abnormalities , Animals , Craniofacial Abnormalities/genetics , Craniofacial Abnormalities/pathology , Female , Genetic Predisposition to Disease , Male , Sex Factors , Sheep , Sheep Diseases/genetics , Sheep Diseases/pathology , Skull/pathology
4.
Sex Dev ; 4(6): 348-51, 2010.
Article in English | MEDLINE | ID: mdl-20980788

ABSTRACT

In a 1.5-year-old Oldenburg horse, a clitoris-like structure instead of a penis was identified in the prepuce. The external genital organs did not show any abnormalities at visual inspection except that exteriorization of the penis was not possible, not even under general anesthesia. The horse's owner observed a continuous dripping of urine and a tendency to mild colics beginning 2 weeks after birth. Testosterone concentration was 0.01 ng/ml and therefore under the threshold for geldings, and the horse did not respond to the application of gonadotropin-releasing hormone (GnRH). The inner genital consisted of a male urinary tract. Gonads and accessory male glands were missing. Residual structures of a female genital tract were not observed. Abnormalities of the mesentery could be found which might explain the recurrent colics of this horse. A cytogenetic examination revealed a 2n = 64,XY-karyotype and a positive result for the SRY-PCR. This is the first report on an agonadal horse with a male karyotype and a pseudohermaphrodite phenotype.


Subject(s)
Disorders of Sex Development/veterinary , Horse Diseases/genetics , Animals , Chromosome Banding , Disorders of Sex Development/genetics , Female , Horses , Male , Metaphase , Phenotype , Polymerase Chain Reaction , Sex-Determining Region Y Protein/genetics
7.
Glob Public Health ; 3(2): 165-86, 2008.
Article in English | MEDLINE | ID: mdl-19288369

ABSTRACT

Ethnic populations in eastern Burma are the target of military policies that result in forced labour, destruction of food supplies, and massive forced displacement. Despite international assistance to Burmese refugees along the Thai-Burma border, traditional humanitarian models have failed to reach these internally displaced persons (IDPs) within Burma. Nevertheless, through the cultivation of a model (cross border local-global partnerships) 300,000 IDPs in eastern Burma now receive critical health services where, otherwise, there would be none. We describe key elements of the partnership model's genesis in eastern Burma. The role of the local partner, Backpack Health Worker Team (BPHWT), is highlighted for its indigenous access to the IDP populations and its maintenance of programmatic autonomy. These local elements are potentiated by international support for technical assistance, training, resources, and advocacy. International policy and investment should prioritize support of locally-driven health initiatives that utilize local-global partnerships to reach not only IDPs but also other war-torn or traditionally inaccessible populations worldwide.


Subject(s)
Cooperative Behavior , Health Services Accessibility , Population Dynamics , Refugees , Child , Child Welfare , Child, Preschool , Civil Disorders , Delivery of Health Care/organization & administration , Ethnicity , Female , Health Services, Indigenous/statistics & numerical data , Human Rights , Humans , Infant , Infant, Newborn , Male , Myanmar
8.
Regul Toxicol Pharmacol ; 50(1): 98-113, 2008 Feb.
Article in English | MEDLINE | ID: mdl-17983697

ABSTRACT

The second generation of genetically modified (GM) plants that are moving towards the market are characterized by modifications that may be more complex and traits that more often are to the benefit of the consumer. These developments will have implications for the safety assessment of the resulting plant products. In part of the cases the same crop plant can, however, also be obtained by 'conventional' breeding strategies. The breeder will decide on a case-by-case basis what will be the best strategy to reach the set target and whether genetic modification will form part of this strategy. This article discusses important aspects of the safety assessment of complex products derived from newly bred plant varieties obtained by different breeding strategies. On the basis of this overview, we conclude that the current process of the safety evaluation of GM versus conventionally bred plants is not well balanced. GM varieties are elaborately assessed, yet at the same time other crop plants resulting from conventional breeding strategies may warrant further food safety assessment for the benefit of the consumer. We propose to develop a general screening frame for all newly developed plant varieties to select varieties that cannot, on the basis of scientific criteria, be considered as safe as plant varieties that are already on the market.


Subject(s)
Food, Genetically Modified/adverse effects , Plants, Edible/adverse effects , Plants, Genetically Modified/adverse effects , Breeding , Consumer Product Safety , Humans , Legislation, Food , Risk Assessment
9.
Ann Rheum Dis ; 67(1): 11-18, 2008 Jan.
Article in English | MEDLINE | ID: mdl-17502354

ABSTRACT

OBJECTIVE: To investigate the involvement of type I interferons and endothelial cell adhesion molecules in the development of ultraviolet B (UVB)-induced systemic lupus erythaematosus (SLE) skin lesions. METHODS: A total of 19 SLE patients and 13 controls were irradiated with two minimal erythaemal doses(MED) of UVB. Subsequently, skin biopsies were analysed (immuno) histologically over 10 days, for expression of IFNalpha-induced MxA, numbers of plasmacytoid dendritic cells (pDC), and expression of endothelial cell adhesion molecules, namely E-selectin, ICAM-1, and L-selectin ligand. Additionally, MxA expression was compared to its expression in nine established cutaneous lupus erythaematosus(CLE) lesions of SLE patients. RESULTS: Before irradiation IFNalpha-induced MxA was expressed at significantly higher levels in non-lesional skin of SLE patients compared to healthy controls. In patients developing infiltrates upon UVB irradiation, MxA expression increased further, reaching expression levels similar to or exceeding levels in CLE-skin lesions. In these patients, MxA expression was sustained up to day 10, in contrast to patients not developing infiltrates in whom expression decreased. No noteworthy numbers of plasmacytoid dendritic cells (pDC) were detected in nonirradiated skin or at any time after UVB exposure in SLE patients or controls. MxA expression correlated with influx of T-cells and monocytes/macrophages, and with expression of E-selectin and ICAM-1. CONCLUSION: Development of UVB-induced SLE skin lesions involves a skewing towards production of Th1-associated cytokines, such as IFNalpha. In turn, this may lead to up-regulation of E-selectin and ICAM-1 resulting in recruitment of T-cells and macrophages.


Subject(s)
Interferon Type I/physiology , Lupus Erythematosus, Systemic/etiology , Adult , Case-Control Studies , E-Selectin/metabolism , Female , GTP-Binding Proteins/metabolism , Humans , Immunohistochemistry , Inflammation , Intercellular Adhesion Molecule-1/metabolism , L-Selectin/metabolism , Ligands , Male , Middle Aged , Myxovirus Resistance Proteins , Ultraviolet Rays/adverse effects , Up-Regulation
10.
Dtsch Tierarztl Wochenschr ; 114(2): 50-6, 2007 Feb.
Article in German | MEDLINE | ID: mdl-17341020

ABSTRACT

Intersexuality is a rare congenital anomaly of horses. Diagnosis of intersexuality is difficult because there are usually no specific changes in the reproductive tract visible. During a period of five years, ten patients with reduced fertility or suspected intersexuality respectively were investigated using cytogenetic, molecular genetic, histopathological and endocrinological methods. In one case a 64,XX/63,X0 mosaicism was found. In six cases male pseudohermaphroditism was verified. These patients showed a male karyotype, testes and rudimentary parts of a female reproductive tract were present. One horse was suspected to be a male pseudohermaphrodite but the gonads were not examined. One horse was suspected to be affected by an XX-sex several syndrome and in one case a SRY-negative XY-sex reversal syndrome was most likely. In the case of an XX-sex reversal syndrome, there is a female chromosomal constitution, an uterus and cranial parts of the vagina are present but also testes tissue and possibly an enlarged penis like clitoris. Here an XX-sex reversal syndrome was suspected but not confirmed as it was not possible to examine the gonads and verify tissue from testes. Therefore a pseudohermaphroditismus femininus could not be excluded. In cases of XY-sex reversal syndrome the patients show a male chromosomal constitution, parts of a female reproductive tract but no testes tissue is present. For the horse described here, a deletion of the SRY gene was the most likely cause for the XY-sex reversal syndrome.


Subject(s)
Disorders of Sex Development/veterinary , Genitalia/abnormalities , Horse Diseases/genetics , Sex Differentiation , Animals , Disorders of Sex Development/diagnosis , Disorders of Sex Development/genetics , Female , Genotype , Horse Diseases/diagnosis , Horses , Infertility/etiology , Infertility/veterinary , Male , Mosaicism/veterinary , Phenotype
11.
Dtsch Tierarztl Wochenschr ; 114(1): 25-9, 2007 Jan.
Article in German | MEDLINE | ID: mdl-17252933

ABSTRACT

Congenital dysfunction of the keratinisation of the epithelium was diagnosed in two female German Angus calves born on the same farm. The relationship coefficient between the two affected Angus calves was 34.38%. The clinical findings were similar to ichthyosis congenita as the alterations of the skin were present at birth and the levels of zinc in the blood were not decreased. However, parakeratosis could not be completely excluded as skin alterations were partly parakeratotic. On account of the close relationship between the two affected calves a genetic cause is likely for the present cases.


Subject(s)
Cattle Diseases/genetics , Ichthyosis/veterinary , Skin/pathology , Animals , Animals, Newborn , Cattle , Cattle Diseases/diagnosis , Cattle Diseases/pathology , Diagnosis, Differential , Epithelium/pathology , Female , Ichthyosis/genetics , Ichthyosis/pathology
12.
Sex Dev ; 1(1): 59-65, 2007.
Article in English | MEDLINE | ID: mdl-18391516

ABSTRACT

The diploid/triploid (60,XX/90,XXY) condition in Bos taurus is very rare and only three cases have been published previously. The present animal exhibited an aplastic vulva, penis and clitoris agenesis, a male-like urethra located in a pseudoprepuce opening between the mammary complexes and a well developed M. rectipeninus. A normal (60,XX) female karyotype was detected in lymphocyte cultures whereas uterus and tendon cells revealed a 60,XX/90,XXY mixoploidy. Quantification of X and Y chromosome-specific sequences using RT-PCR revealed extraordinary high Y chromosome equivalents in the sample recovered from the male-like transformed vestibulum vaginae suggesting a causative relationship. The pathogenesis of the missing clitoris and penis, which is contrasted by the concomitant presence of a well developed M. rectipeninus, remains difficult to explain. A chimeric origin is suggested despite the fact that microsatellite analysis of the animal's blood cells displayed no un- usual allele accumulation.


Subject(s)
Cattle/genetics , Chromosomes, Mammalian/genetics , Diploidy , Disorders of Sex Development/genetics , Polyploidy , Sex Chromosomes/genetics , Animals , Female , Fibroblasts/cytology , Genitalia, Female/pathology , Lymphocytes/cytology , Male , Metaphase
13.
Cytogenet Genome Res ; 115(2): 107-14, 2006.
Article in English | MEDLINE | ID: mdl-17065790

ABSTRACT

The mammalian collagen, type IX, alpha 2 gene (COL9A2) encodes the alpha-2 chain of type IX collagen and is located on horse chromosome 2p16-->p14 harbouring a quantitative trait locus for osteochondrosis. We isolated a bacterial artificial chromosome (BAC) clone containing the equine COL9A2 gene and determined the complete genomic sequence of this gene. Cloning and characterization of equine COL9A2 revealed that the equine gene consists of 32 exons spanning approximately 15 kb. The COL9A2 transcript encodes a single protein of 688 amino acids. Thirty two single nucleotide polymorphisms (SNPs) equally distributed in the gene were detected in a mutation scan of eight unrelated Hanoverian warmblood stallions, including one SNP that affects the amino acid sequence of COL9A2. Comparative analyses between horse, human, mouse and rat indicate that the chromosomal location of equine COL9A2 is in agreement with known chromosomal synteny relationships. The comparison of the gene structure and transcript revealed a high degree of conservation towards the other mammalian COL9A2 genes. We chose three informative SNPs for association and linkage disequilibrium tests in three to five paternal half-sib families of Hanoverian warmblood horses consisting of 44 to 75 genotyped animals. The test statistics did not reach the significance threshold of 5% and so we could not show an association of COL9A2 with equine osteochondrosis.


Subject(s)
Collagen Type IX/genetics , Genes , Horses/genetics , Amino Acid Sequence , Animals , Base Sequence , Chromosomes/genetics , Chromosomes/ultrastructure , Chromosomes, Artificial, Bacterial , Cloning, Molecular , Collagen Type IX/biosynthesis , Exons/genetics , Gene Expression Profiling , Genes/genetics , Horse Diseases/genetics , Humans , In Situ Hybridization, Fluorescence , Linkage Disequilibrium , Male , Mice , Molecular Sequence Data , Organ Specificity , Osteochondritis/genetics , Osteochondritis/veterinary , Polymorphism, Single Nucleotide , Radiation Hybrid Mapping , Rats , Sequence Alignment , Sequence Analysis, DNA , Sequence Homology , Species Specificity
14.
Cytogenet Genome Res ; 115(2): 123-8, 2006.
Article in English | MEDLINE | ID: mdl-17065792

ABSTRACT

The ALX4 (aristaless-like homeobox 4) gene encodes a paired-type homeodomain transcriptional activator and plays a major role in anterior-posterior pattern formation during limb development. Here, the cloning, genomic structure and expression of the bovine ortholog of the ALX4 gene are reported. The bovine ALX4 gene consists of four exons and is located on BTA15q28-->q29 in a region syntenic to HSA11p11.2. The transcribed ALX4 mRNA encodes a 397-amino-acid protein showing a paired-type homeodomain and a C-terminal stretch of amino acids known as the OAR- or aristaless domain. The predicted protein shares 92.5% identity to human and mouse ALX4 proteins and all three species share almost complete identity in the conserved domains. ALX4 expression was detected by reverse transcriptase polymerase chain reaction in bovine fetal limb bones. The ALX4 gene was evaluated as a candidate gene for bovine syndactyly which has been mapped on the telomeric region of cattle chromosome 15. Sequencing of the four exons with flanking sequences of the bovine ALX4 gene from a panel of 14 affected animals belonging to German Holstein, German Fleckvieh and crossbreds, and 27 unaffected individuals from German Holstein revealed five silent SNPs within the coding region out of eleven SNPs in total. Four SNPs were polymorphic in the affected animals, but in comparison to the genotyped unaffected individuals the genotype distribution showed no evidence for an association to the phenotype. Therefore our data indicate that the ALX4 gene can probably be excluded as candidate gene for bovine syndactyly in the examined animals.


Subject(s)
Cattle Diseases/genetics , Cattle/genetics , Genes, Homeobox , Homeodomain Proteins/genetics , Syndactyly/veterinary , Transcription Factors/genetics , Amino Acid Sequence , Animals , Base Sequence , Chromosome Mapping/veterinary , Chromosomes, Artificial, Bacterial/genetics , Consensus Sequence , Crosses, Genetic , DNA Mutational Analysis , DNA, Complementary/genetics , Embryonic Development/genetics , Exons/genetics , Extremities/embryology , Gene Expression Profiling , Genes, Homeobox/genetics , Homeodomain Proteins/chemistry , Homeodomain Proteins/physiology , Humans , In Situ Hybridization, Fluorescence , Mice , Molecular Sequence Data , Morphogenesis/genetics , Polymorphism, Single Nucleotide , Protein Structure, Tertiary , RNA, Messenger/genetics , Sequence Alignment , Sequence Homology , Syndactyly/genetics , Transcription Factors/chemistry , Transcription Factors/physiology , Transcriptional Activation
15.
Dtsch Tierarztl Wochenschr ; 113(9): 355-7, 2006 Sep.
Article in German | MEDLINE | ID: mdl-17009814

ABSTRACT

Aphakia and further malformations of both eyes were diagnosed in a female German Holstein calf. Besides aphakia of the left eye, the calf exhibited microphthalmia, glaucoma and a hypoplastic uveoscleral tissue. Additional findings in the right eye were buphthalmus and glaucoma. Instead of aphakia, pathohistological and investigations revealed a very small (microphakia) and luxated lens. Neither the clinical nor the pathological examination revealed further malformations of other organs. A BVD infection could be excluded as cause for the ocular malformations observed. A deficiency or excess of vitamine A was unlikely because this would have also applied to all other calves born at the same time on the farm. An inbreeding coefficient of 3.168% for the malformed calf and the exclusion of environmental causes for these malformations of the eyes let us suppose a hereditary problem.


Subject(s)
Aphakia/veterinary , Cattle Diseases/pathology , Animals , Animals, Newborn , Aphakia/diagnosis , Aphakia/genetics , Aphakia/pathology , Cattle , Cattle Diseases/diagnosis , Cattle Diseases/genetics , Female , Inbreeding , Pedigree
17.
Eur J Surg Oncol ; 32(2): 218-23, 2006 Mar.
Article in English | MEDLINE | ID: mdl-16412599

ABSTRACT

AIMS: To report the adolescent melanomas with focus on differences in clinical characteristics, prognostic factors, disease free (DFS) and overall survival (OS) in comparison with adults. METHODS: A single institution retrospective study in which 49 adolescent patients were compared to an adult group of 972 patients. The 10-year DFS, 10-year OS and prognostic factors were calculated for both groups. RESULTS: The median age for the adolescent patients was 17 (range 12-19) years and 49 (range 20-93) years for the adult patients. Median follow-up time was 92 (range 4-366) months. Adolescent patients presented more often with locally advanced melanoma (p<0.01). The median Breslow thickness was 1.6 vs 2.0mm for the adults (p=0.075). Increasing age, ulceration, Breslow thickness, tumour location, male gender and stage at diagnosis were calculated to be negative prognostic factors for the adult group. In the adolescent group, only the stage at diagnosis was a significant negative predictor. The 10-year DFS and OS for the adolescent patients and adult group were not significantly different regarding AJCC stages I-III. CONCLUSION: Although adolescent patients presented more often with locally advanced disease, there are no significant differences in the 10-year DFS and OS between adolescent and adult patients. In our series, we could not confirm the prognostic factors found in the adult group for the adolescent patients, except for the stage at diagnosis.


Subject(s)
Head and Neck Neoplasms/epidemiology , Melanoma/epidemiology , Vascular Neoplasms/epidemiology , Adolescent , Adult , Age Factors , Aged , Aged, 80 and over , Child , Disease-Free Survival , Extremities/pathology , Female , Follow-Up Studies , Head and Neck Neoplasms/mortality , Head and Neck Neoplasms/pathology , Humans , Male , Melanoma/mortality , Melanoma/pathology , Middle Aged , Neoplasm Staging , Netherlands , Predictive Value of Tests , Prognosis , Retrospective Studies , Risk Factors , Vascular Neoplasms/mortality , Vascular Neoplasms/pathology
18.
Rheumatology (Oxford) ; 45(5): 538-44, 2006 May.
Article in English | MEDLINE | ID: mdl-16352635

ABSTRACT

OBJECTIVES: Accumulation of apoptotic cells has been suggested to be involved in the pathogenesis of systemic lupus erythematosus (SLE). As sunlight exposure is one of the factors that can trigger disease activity, we hypothesized that UV light may induce increased numbers of apoptotic cells in SLE. METHODS: Fourteen SLE patients and 16 controls were irradiated with UVB to determine their minimal erythemal dose (MED). Subsequently, skin was irradiated with 1 MED and 2 MED, respectively, and after 24 h skin biopsies were analysed immunohistologically for the number of apoptotic cells and presence of pyknotic nuclear debris. RESULTS: MED was significantly decreased in SLE patients and the presence of decreased MED was associated with a history of butterfly rash. Decreased MED was not related to other skin-related ACR criteria or to autoantibody specificities. No differences were detected in the numbers of apoptotic keratinocytes between patients and controls or in the amount of pyknotic nuclear debris following 1 and 2 MED irradiation, respectively. Absolute UVB doses were correlated with the number of apoptotic keratinocytes; dose-responses did not differ significantly between patients and controls. CONCLUSIONS: Increased sensitivity of SLE patients to UVB, although associated with a history of malar rash, is not related to increased induction of apoptosis or increased levels of secondary necrosis in the skin. Thus, compared with controls, UVB-induced apoptosis is not increased in SLE patients under physiological conditions.


Subject(s)
Apoptosis/radiation effects , Keratinocytes/radiation effects , Lupus Erythematosus, Systemic/pathology , Skin/radiation effects , Ultraviolet Rays , Adult , Cell Nucleus/pathology , Dose-Response Relationship, Radiation , Epidermis/pathology , Erythema/etiology , Female , Humans , Keratinocytes/pathology , Male , Middle Aged , Radiation Dosage , Radiation Injuries/etiology , Radiation Injuries/pathology , Skin/pathology
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