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The morphological and functional differences and similarities of immune cells between non-human primates and humans

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Macaca fascicularis Homo sapiens Macaca mulatta

PROVIDER: GSE90723 | GEO | 2018/11/28

REPOSITORIES: GEO

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The morphological and functional differences and similarities of immune cells between non-human primates and humans [monkey]

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The morphological and functional differences and similarities of immune cells between non-human primates and humans [human]

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The morphological and functional differences and similarities of immune cells between non-human primates and humans

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A Comprehensive Atlas of Immunological Differences Between Humans, Mice, and Non-Human Primates.

Project description:Animal models are an integral part of the drug development and evaluation process. However, they are unsurprisingly imperfect reflections of humans, and the extent and nature of many immunological differences are unknown. With the rise of targeted and biological therapeutics, it is increasingly important that we understand the molecular differences in the immunological behavior of humans and model organisms. However, very few antibodies are raised against non-human primate antigens, and databases of cross-reactivity between species are incomplete. Thus, we screened 332 antibodies in five immune cell populations in blood from humans and four non-human primate species generating a comprehensive cross-reactivity catalog that includes cell type-specificity. We used this catalog to create large mass cytometry universal cross-species phenotyping and signaling panels for humans, along with three of the model organisms most similar to humans: rhesus and cynomolgus macaques and African green monkeys; and one of the mammalian models most widely used in drug development: C57BL/6 mice. As a proof-of-principle, we measured immune cell signaling responses across all five species to an array of 15 stimuli using mass cytometry. We found numerous instances of different cellular phenotypes and immune signaling events occurring within and between species, and detailed three examples (double-positive T cell frequency and signaling; granulocyte response to Bacillus anthracis antigen; and B cell subsets). We also explore the correlation of herpes simian B virus serostatus on the immune profile. Antibody panels and the full dataset generated are available online as a resource to enable future studies comparing immune responses across species during the evaluation of therapeutics.

| S-EPMC8962947 | biostudies-literature

Project description:Whole genome sequencing (WGS) studies have estimated the human germline mutation rate per basepair per generation (~1.2 × 10-8) to be higher than in mice (3.5-5.4 × 10-9). In humans, most germline mutations are paternal in origin and numbers of mutations per offspring increase with paternal and maternal age. Here we estimate germline mutation rates and spectra in six multi-sibling mouse pedigrees and compare to three multi-sibling human pedigrees. In both species we observe a paternal mutation bias, a parental age effect, and a highly mutagenic first cell division contributing to the embryo. We also observe differences between species in mutation spectra, in mutation rates per cell division, and in the parental bias of mutations in early embryogenesis. These differences between species likely result from both species-specific differences in cellular genealogies of the germline, as well as biological differences within the same stage of embryogenesis or gametogenesis.

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Genome-wide DNA methylation analyses in the brain reveal four differentially methylated regions between humans and non-human primates

Project description:This SuperSeries is composed of the SubSeries listed below.

2012-03-01 | GSE27461 | GEO

The Differences and Similarities between Allergists and Non-Allergists for Penicillin Allergy Management.

Project description:The purpose of this study was to compare the management of patients with a history of penicillin allergy between allergists and non-allergists in Thailand. A questionnaire was distributed to Thai physicians by online survey. The answers from 205 physicians were analyzed. The discrepancy of penicillin allergy management between allergists and non-allergists was clearly demonstrated in patients with a history of an immediate reaction in the presence of penicillin skin test (P < 0.01) and in patients with a history of Stevens-Johnson syndrome (P < 0.05) from penicillin. Allergists are more willing to confirm penicillin allergic status, more likely to carefully administer penicillin even after negative skin test, but less concerned for the potential cross-reactivity with 3rd and 4th generation cephalosporins, compared to non-allergists. The lack of penicillin skin test reagents, the reliability of penicillin allergy history, and medicolegal problem were the main reasons for prescribing alternate antibiotics without confirmation of penicillin allergic status. In summary, the different management of penicillin allergy between allergists and non-allergists was significantly demonstrated in patients with a history of severe non-immediate reaction and in patients with a history of an immediate reaction when a penicillin skin test is available.

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Nicotinic receptors in non-human primates: Analysis of genetic and functional conservation with humans.

Project description:Nicotinic acetylcholine receptors (nAChRs) are highly conserved between humans and non-human primates. Conservation exists at the level of genomic structure, protein structure and epigenetics. Overall homology of nAChRs at the protein level is 98% in macaques versus 89% in mice, which is highly relevant for evaluating subtype-specific ligands that have different affinities in humans versus rodents. In addition to conservation at the protein level, there is high conservation of genomic structure in terms of intron and exon size and placement of CpG sites that play a key role in epigenetic regulation. Analysis of single nucleotide polymorphisms (SNPs) shows that while the majority of SNPs are not conserved between humans and macaques, some functional polymorphisms are. Most significantly, cynomolgus monkeys express a similar α5 nAChR Asp398Asn polymorphism to the human α5 Asp398Asn polymorphism that has been linked to greater nicotine addiction and smoking related disease. Monkeys can be trained to readily self-administer nicotine, and in an initial study we have demonstrated that cynomolgus monkeys bearing the α5 D398N polymorphism show a reduced behavioral sensitivity to oral nicotine and tend to consume it in a different pattern when compared to wild-type monkeys. Thus the combination of highly homologous nAChR, higher cortical functions and capacity for complex training makes non-human primates a unique model to study in vivo functions of nicotinic receptors. In particular, primate studies on nicotine addiction and evaluation of therapies to prevent or overcome nicotine addiction are likely to be highly predictive of treatment outcomes in humans. This article is part of the Special Issue entitled 'The Nicotinic Acetylcholine Receptor: From Molecular Biology to Cognition'.

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Acute non-A, non-B, non-C hepatitis differences and similarities between hepatitis E virus infection and autoimmune hepatitis, with phylogenetic analysis of hepatitis E virus in humans and wild boars.

Project description:BackgroundHepatitis E virus (HEV) infection incidence is increasing in Europe, accounting for the majority of acute hepatitis cases. We investigated the prevalence and clinical characteristics of acute hepatitis E (AHE) in patients with acute non-A/B/C hepatitis from central Greece, their differences from acute autoimmune hepatitis (AIH) patients and the molecular similarity of human strains to local HEV strains in wild boars.MethodsSera from 20 patients with non-A/B/C acute hepatitis (2015-2017) were tested prospectively for anti-HEV IgM, IgG antibodies and HEV-RNA. Sera from patients diagnosed with acute AIH (2000-2015; n=56) were tested retrospectively. Liver tissue samples from 40 wild boars were tested for HEV-RNA. Positive wild boar and patients' samples were sequenced and phylogenetically analyzed.ResultsTwelve of the 76 (16%) patients were diagnosed with AHE: HEV-RNA 11.5x104 (38.7-39.7x106) IU/mL; 11/20 (55%) acute non-A/B/C hepatitis and 1/56 (2%) AIH patients. Patients with AHE were older than those without, predominately men, with higher alanine aminotransferase but lower IgG levels (P=0.005 and P=0.002, respectively), and had high titers of smooth muscle antibodies. Liver biopsies, performed in 6/12 patients with HEV infection, revealed histology compatible with AIH. HEV strains from both patients and wild boars belonged to genotype 3.ConclusionsApproximately one sixth of patients with acute non-A/B/C hepatitis had autochthonous HEV infection with AIH features. Therefore, a careful workup to exclude HEV should be carried out in all acute hepatitis cases before a definite diagnosis of AIH is established. Wild boars seem to be an important reservoir of HEV in Greece.

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Project description:The human AA dataset 5 includes the gene expression profile of monocyte-derived macrophages isolated from blood donor buffy coats and plated on TCP in medium containing 10% autologous serum. Cells were stimulated for 120 hours with 50 ng/ml of IL-4, 50 U/ml of IFN-γ plus 12.5 ng/ml of TNF-α, 50 ng/ml of M-CSF or 50 ng/ml of IL-10. RNA samples were isolated using TriPure isolation reagent (Roche) and the RNeasy Mini Kit-Qiagen Clean up method. The transcriptional profile was evaluated in two independent cell preparations, each derived from a different single donor using the HT12 V4 R2 bead chip arrays from Illumina.

2013-07-26 | GSE49240 | GEO

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