environmental and occupational health

... immunological and infectious challenge (Shoenfeld and Cohen, 1987; Tomer and Davies, 1993), but also to better understand the earlier and current increases in adverse reactions to vaccines in both human and ... Gordon, 1982; Tengerdy, 1989; Alexander and Peck, 1990; Burkholder and Swecker, Jr., 1990; Turner and Finch, 1991; Berdanier, 1994a,b; Dodds and Donoghue, 1994) Many environmental factors trigger ... medical, and epidemiological assessments of these chemicals, to evaluate their interactions with the other genetic and environmental factors that affect the health and performance of inbred and closely...

Ngày tải lên: 29/03/2014, 15:20

... and Stem Cell and Other Therapies disease initiation method, with a single and defined myelin peptide allows for the observation and measurement of changing T cell specificities over time (Vanderlugt ... Purdie, G and Skegg, D C (1990) Multiple sclerosis in Australia and New Zealand: are the determinants genetic or environmental? J Neurol Neurosurg Psychiatry 53, 903-905 Miller, S D and Eagar, ... Diseases, and Stem Cell and Other Therapies Vetsika, E K and Callan, M (2004) Infectious mononucleosis and Epstein-Barr virus Expert Rev Mol Med 6, 1-16 Vukusic, S., Van Bockstael, V., Gosselin, S and...

Ngày tải lên: 16/03/2014, 21:20

... against Ro52 (upper center box) and doublestranded DNA (dsDNA, lower right box) Antibodies against Candida skin test antigens (lower center box) are also detected, and serve as a positive control ... disadvantage using alternative surface chemistries, and linkers to orient and to serve as spacers between antigens and the surface, particle, or tag Bead and tag systems are currently limited by the ... contact printing, and in situ synthesis Commonly used solid supports include: nitrocellulose, nylon and polyvinylidene difluoride membranes; poly-L-lysine-coated, silane-treated, and other derivatized...

Ngày tải lên: 09/08/2014, 06:22

... Luca D, Mirandola P, Ravaioli T, Dolcetti R, Frigatti A, Bovenzi P, Sighinolfi L, Monini P, Cassai E: Human herpesviruses and in salivary glands and shedding in saliva of healthy and human immunodeficiency ... T, Tanioka H, Fujita S: Detection of human herpesvirus and human herpesvirus in the submandibular gland, parotid gland, and lip salivary gland by PCR J Clin Microbiol 1996, 34:2320-2321 Lautenschlager ... Brytting M, Bjerregaard L, Julander I, Linde A: Shedding of cytomegalovirus and herpesviruses 6, 7, and in saliva of human immunodeficiency virus type 1-infected patients and healthy controls Clin Infect...

Ngày tải lên: 09/08/2014, 06:22

... Array production and assay Synovial and myelin antigen arrays were produced using a robotic arrayer The arrayer printed peptides and proteins representing candidate antigens in RA and MS on the ... encephalomyelitis (EAE) using myelin and myelin and synovial antigen arrays (a, b) Synovial and (d, e) myelin arrays were produced by printing synovial and myelin peptides and proteins in ordered arrays ... (IgM, IgG and IgG subclasses) of the initial and expanding autoantibody responses in rodent models, as well as human RA and MS Autoimmune responses are well established to target both native and linear...

Ngày tải lên: 09/08/2014, 13:22

... cerebrospinal fluid (CSF) and plasma of young transgenic mice and healthy human Measures in PDAPP refer to Ab 1–x, in Tg2576, APP23 and humans to the sum of Ab1–40 and Ab1–42, and in tgArcSwe they ... leading to hemorrhage and perivascular microgliosis and astrocytosis The Dutch and Iowa mutations both reduce the negative charge of Ab and stimulate the formation of amyloid fibrils and attachment to ... that metal ions like Zn2+ and Cu2+ play a role in Ab biology, and possibly in AD pathogenesis Both ions bind APP and Ab with high affinity, and stimulate Ab aggregation and oxidizing effects of...

Ngày tải lên: 16/02/2014, 09:20

... pharmacology and physiology, data interpretation, and manuscript review TGH designed the study, and participated in the collection and analyses of data, data interpretation, and manuscript preparation and ... between the major axes of the left and right paw images during peak stance Gait data were collected and pooled from both the left and right forelimbs, and the left and right hind limbs Measures of ... light: 12-hour dark schedule with ad libitum access to food and water Handling and care of mice were consistent with federal guidelines and approved institutional protocols Experimental groups MPTP...

Ngày tải lên: 19/06/2014, 10:20

... patient brain and show an increased production of inflammatory markers such as COX-2, PGE2 and also increased levels of the pro-inflammatory cytokines IFN-γ and IL-12, TNF-α, IL-1α, IL-1β and IL-6 ... 15 fold more Aβ1–40, and 20 fold more 1– 42) but there was considerable slice-to-slice variation in soluble and insoluble Aβ levels within and between genotypes The TgAPPsw and PS1/APPsw mice express ... 31:657-60 Tarkowski E, Wallin A, Regland B, Blennow K, Tarkowski A: Local and systemic GM-CSF increase in Alzheimer's disease and vascular dementia Acta Neurol Scand 2001, 103:166-74 Lim GP, Yang...

Ngày tải lên: 19/06/2014, 22:20

... dedifferentiation and DJD [21] More recently, antagonists of the retinoic acid receptors have been tested in a rheumatoid arthritis model in mice and rats and found to improve histological scores, and this ... that PMX and MTX surgeries lead to a slowly progressing arthrosis in mice and that Crabp2 represents an early and sustained marker of DJD Crabp2 expression is regulated by retinoic acid and its ... retinoic acid receptor activity by sequestering ligands and also as a vehicle to deliver ligands to the retinoic acid receptors, thereby enhancing ligand-mediated retinoic acid receptor transcriptional...

Ngày tải lên: 09/08/2014, 01:22

... seems to act as a negative regulator of CTLA-4 function and dissociates from CTLA-4 upon ligand binding The ligands are the dimeric CD80 and the monomeric CD86 Binding of CD80 to the divalent ... CD28 and CTLA-4 CD28 and CTLA-4 have distinct functions during T cell activation Triggering of CD28 enhances raft accumulation and the accumulation of transcription factors, such as AP-1 and nuclear ... rheumatoid arthritis (RA) and other autoimmune diseases 50 The human CD28 and CTLA-4 genes map to chromosome 2q33 and are separated by about 60 kilobases The homologies between CD28 and CTLA-4 strongly...

Ngày tải lên: 09/08/2014, 01:23

... during embryogenesis and later found to have functions in sex determination and neurogenesis [12] A second member, named lozenge, is required for cell patterning in the eye and for hematopoiesis ... bone malformation and boneless mice; RUNX2 is therefore of Available online http://arthritis-research.com/content/6/4/169 major importance in skeletal development and in osteoblast and chondrocyte ... involved in skeletal development [27] and has been found expressed in the skin and other epithelial tissues [27] Mice made deficient for RUNX3 develop gastric cancer, and these studies have also shown...

Ngày tải lên: 09/08/2014, 01:23

... transmembrane activator and calcium modulator ligand interactor; TWE-PRIL, a fusion protein of TWEAK (TNFSF12) and APRIL proliferative response to lipopolysaccharide or anti-CD40L stimulation and an increase ... BAFF and APRIL levels are increased in patients with systemic lupus erythematosus (SLE) [17] and correlate with titers of autoantibodies [31] and disease activity scores [32] Both BAFF and APRIL ... onset and death by 4–5 months when given before the emergence of nephritis in NZB/W F1 mice, and the combination of TACIIg and CTLA4Ig can even reverse established nephritis in this model ([26] and...

Ngày tải lên: 09/08/2014, 01:24

... + cov(X,R)/K with cov(X,R) the genetic covariance between the proband, X , and a relative, R For individuals X and R we Wray and Goddard Genome Medicine 2010, 2:10 http://genomemedicine.com/content/2/2/10 ... locus is biallelic and is in Hardy-Weinberg equilibrium so that the frequency of wild type, carrier and homozygous risk genotypes in the population are (1 – p)2, 2p(1 – p) and p2 and x is distributed ... generations, we calculate λMZ, λSib, λOP and the recurrence risk of disease in grandchildren of affected grandparents, λOG From these we calculate H 01 (using equation 1) and H 01 ≈ 4(λOG – 1)K/(1 – K),...

Ngày tải lên: 11/08/2014, 12:20

... clinical signs and symptoms, but with persistently elevated liver enzymes Blood cultures remained sterile, and serology was negative for leptospirosis, rickettsiosis, HIV and hepatitis A, B and C Q-fever ... first draft of the manuscript All authors contributed to patient care and all corrected and improved the manuscript, and read and approved the final manuscript References 10 11 Chazouilleres O, ... cytomegalovirus and Epstein-Barr virus as disease triggers [9] Several features suggest a causal relationship between PBC and infection, such as case clustering within well-demarcated geographical areas and...

Ngày tải lên: 11/08/2014, 14:20

... (BAFF) -and a proliferation-inducing ligand (APRIL) are members of the tumor necrosis factor (TNF) family and are important regulators of B-cell maturation, survival, and function [1,2] The TNF ligands ... for BLyS/ APRIL heterotrimers, and endogenous levels of heterotrimers in the sera of healthy donors and patients with SLE or RA were measured and compared with BLyS and APRIL homotrimer levels in ... heterotrimer immunoassay and previously reported ELISAs for BLyS and APRIL were used to measure native heterotrimer, BLyS, and APRIL levels in serum samples from healthy donors and patients with SLE...

Ngày tải lên: 12/08/2014, 12:20

... protein Syk includes two tandem SH2 domains and a tyrosine kinase domain Interdomain A is between the two SH2 domains, and interdomain B is between the tyrosine kinase domain and C-terminal SH2 domain ... rheumatoid arthritis (RA), FLSs expand in numbers, acquire immune cell features, produce proinflammatory cytokines and enzymes, and contribute to the inflammatory process and the eventual destruction ... 57%), and ACR70 (33, 40%) responses Also, significant reductions in serum IL-6 and MMP-3 levels were noted within the first week of treatment Diarrhea and other gastrointestinal adverse Pamuk and...

Ngày tải lên: 12/08/2014, 15:22

... enlargement and an enhanced compliance and mucus cell metaplasia [75] with activation of MMP-2, -9, -12, -13, and -14 and cathepsins B, S, L, H, and K in this model Parallel to protease-based and extracellular ... subepithelial fibrosis and mucus metaplasia combined with an eosinophil-, lymphocyte-, and macrophage-rich inflammation and increased hyperresponsiveness [73] Since asthma and COPD pathogenesis ... and should ideally be present in animal models and available for analysis Indicator Human features Experimental approach History of exposure to risk factors Tobacco smoke Occupational dusts and...

Ngày tải lên: 12/08/2014, 18:21

... lamp current 17 mA Standards used are 3, and 12 ppm prepared from 1000 ppm stock standard in 0.2 M HNO3 Peak area is read with a read delay of s, and a read time of s Standard reference materials ... transport, and hepatic metabolism of copper and zinc: special reference to metallothionein and ceruloplasmin Physiol Rev 1985, 65:238-309 DiDonato M and Sarkar B Copper transport and its alterations ... and the second case had centrilobular degeneration and necrosis In both ferrets, liver copper concentration was markedly elevated and special staining revealed copper pigment in hepatocytes and...

Ngày tải lên: 13/08/2014, 13:20

... period of one day and basic reproduction numbers R0 = 1.5, 3.0, 4.5, and 6.0 With these assumptions, the contact intensity and the shedding rate can be Table 2: Time categories and translation ... differing contact situations: Alexandersen et al [16] and Sørensen et al [17], for example, show that basing large scale simulation models on quantities, such as intensity and duration of an exposure ... the ingested dose and the infection risk as derived in Haas et al [18] and used in several other publications [22-24] Details describing how the following assumptions 1, 3, and translate into...

Ngày tải lên: 13/08/2014, 16:20

... production and concentrations of MCP-1, ICAM-1, MMP-9 and oxLDL, mean values for all the OXANO concentrations measured during clamping and reperfusion and for the markers sampled before, during and ... regression coefficients All PCA and PLS models, as well as graphics and standard error estimates, were generated using the Simca-P 8.0 Software (Umetrics, Inc.) Anova and paired T-test were used ... I and RP OXANO levels at baseline, clamp and reperfusion respectively MCP11, MCP15, MCP19; MCP levels before, during and after clamping, ICAM11, ICAM15, ICAM19; ICAM levels before, during and...

Ngày tải lên: 26/10/2012, 10:03