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1.
Genome Res ; 34(6): 967-978, 2024 Jul 23.
Artículo en Inglés | MEDLINE | ID: mdl-39038849

RESUMEN

The human gut microbiota is of increasing interest, with metagenomics a key tool for analyzing bacterial diversity and functionality in health and disease. Despite increasing efforts to expand microbial gene catalogs and an increasing number of metagenome-assembled genomes, there have been few pan-metagenomic association studies and in-depth functional analyses across different geographies and diseases. Here, we explored 6014 human gut metagenome samples across 19 countries and 23 diseases by performing compositional, functional cluster, and integrative analyses. Using interpreted machine learning classification models and statistical methods, we identified Fusobacterium nucleatum and Anaerostipes hadrus with the highest frequencies, enriched and depleted, respectively, across different disease cohorts. Distinct functional distributions were observed in the gut microbiomes of both westernized and nonwesternized populations. These compositional and functional analyses are presented in the open-access Human Gut Microbiome Atlas, allowing for the exploration of the richness, disease, and regional signatures of the gut microbiota across different cohorts.


Asunto(s)
Microbioma Gastrointestinal , Metagenoma , Metagenómica , Humanos , Microbioma Gastrointestinal/genética , Metagenómica/métodos , Aprendizaje Automático , Fusobacterium nucleatum/genética , Bacterias/clasificación , Bacterias/genética
2.
BMC Biol ; 20(1): 25, 2022 01 25.
Artículo en Inglés | MEDLINE | ID: mdl-35073880

RESUMEN

BACKGROUND: There is a need for functional genome-wide annotation of the protein-coding genes to get a deeper understanding of mammalian biology. Here, a new annotation strategy is introduced based on dimensionality reduction and density-based clustering of whole-body co-expression patterns. This strategy has been used to explore the gene expression landscape in pig, and we present a whole-body map of all protein-coding genes in all major pig tissues and organs. RESULTS: An open-access pig expression map ( www.rnaatlas.org ) is presented based on the expression of 350 samples across 98 well-defined pig tissues divided into 44 tissue groups. A new UMAP-based classification scheme is introduced, in which all protein-coding genes are stratified into tissue expression clusters based on body-wide expression profiles. The distribution and tissue specificity of all 22,342 protein-coding pig genes are presented. CONCLUSIONS: Here, we present a new genome-wide annotation strategy based on dimensionality reduction and density-based clustering. A genome-wide resource of the transcriptome map across all major tissues and organs in pig is presented, and the data is available as an open-access resource ( www.rnaatlas.org ), including a comparison to the expression of human orthologs.


Asunto(s)
Genoma , Genómica , Animales , Perfilación de la Expresión Génica , Mamíferos , Anotación de Secuencia Molecular , Especificidad de Órganos , Porcinos/genética , Transcriptoma
3.
J Proteome Res ; 19(12): 4766-4781, 2020 12 04.
Artículo en Inglés | MEDLINE | ID: mdl-33170010

RESUMEN

The localization of proteins at a tissue- or cell-type-specific level is tightly linked to the protein function. To better understand each protein's role in cellular systems, spatial information constitutes an important complement to quantitative data. The standard methods for determining the spatial distribution of proteins in single cells of complex tissue samples make use of antibodies. For a stringent analysis of the human proteome, we used orthogonal methods and independent antibodies to validate 5981 antibodies that show the expression of 3775 human proteins across all major human tissues. This enhanced validation uncovered 56 proteins corresponding to the group of "missing proteins" and 171 proteins of unknown function. The presented strategy will facilitate further discussions around criteria for evidence of protein existence based on immunohistochemistry and serves as a useful guide to identify candidate proteins for integrative studies with quantitative proteomics methods.


Asunto(s)
Proteoma , Proteómica , Anticuerpos , Humanos , Inmunohistoquímica
4.
Mol Cell Proteomics ; 13(2): 397-406, 2014 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-24309898

RESUMEN

Global classification of the human proteins with regards to spatial expression patterns across organs and tissues is important for studies of human biology and disease. Here, we used a quantitative transcriptomics analysis (RNA-Seq) to classify the tissue-specific expression of genes across a representative set of all major human organs and tissues and combined this analysis with antibody-based profiling of the same tissues. To present the data, we launch a new version of the Human Protein Atlas that integrates RNA and protein expression data corresponding to ∼80% of the human protein-coding genes with access to the primary data for both the RNA and the protein analysis on an individual gene level. We present a classification of all human protein-coding genes with regards to tissue-specificity and spatial expression pattern. The integrative human expression map can be used as a starting point to explore the molecular constituents of the human body.


Asunto(s)
Anticuerpos/farmacología , Expresión Génica , Genómica/métodos , Especificidad de Órganos/genética , Proteómica/métodos , Transcriptoma , Femenino , Perfilación de la Expresión Génica , Redes Reguladoras de Genes , Humanos , Masculino , Proteínas/genética , Proteínas/metabolismo , Proteoma/genética , Proteoma/metabolismo , Integración de Sistemas , Análisis de Matrices Tisulares
5.
J Proteome Res ; 13(3): 1669-76, 2014 Mar 07.
Artículo en Inglés | MEDLINE | ID: mdl-24533432

RESUMEN

Antibodies are crucial for the study of human proteins and have been defined as one of the three pillars in the human chromosome-centric Human Proteome Project (C-HPP). In this article the chromosome-centric structure has been used to analyze the availability of antibodies as judged by the presence within the portal Antibodypedia, a database designed to allow comparisons and scoring of publicly available antibodies toward human protein targets. This public database displays antibody data from more than one million antibodies toward human protein targets. A summary of the content in this knowledge resource reveals that there exist more than 10 antibodies to over 70% of all the putative human genes, evenly distributed over the 24 human chromosomes. The analysis also shows that at present, less than 10% of the putative human protein-coding genes (n = 1882) predicted from the genome sequence lack antibodies, suggesting that focused efforts from the antibody-based and mass spectrometry-based proteomic communities should be encouraged to pursue the analysis of these missing proteins. We show that Antibodypedia may be used to track the development of available and validated antibodies to the individual chromosomes, and thus the database is an attractive tool to identify proteins with no or few antibodies yet generated.


Asunto(s)
Anticuerpos/análisis , Cromosomas Humanos , Genoma Humano , Proteoma/análisis , Programas Informáticos , Anticuerpos/química , Mapeo Cromosómico , Bases de Datos de Proteínas , Proyecto Genoma Humano , Humanos , Proteómica
6.
J Proteome Res ; 12(6): 2439-48, 2013 Jun 07.
Artículo en Inglés | MEDLINE | ID: mdl-23276153

RESUMEN

A gene-centric Human Proteome Project has been proposed to characterize the human protein-coding genes in a chromosome-centered manner to understand human biology and disease. Here, we report on the protein evidence for all genes predicted from the genome sequence based on manual annotation from literature (UniProt), antibody-based profiling in cells, tissues and organs and analysis of the transcript profiles using next generation sequencing in human cell lines of different origins. We estimate that there is good evidence for protein existence for 69% (n = 13985) of the human protein-coding genes, while 23% have only evidence on the RNA level and 7% still lack experimental evidence. Analysis of the expression patterns shows few tissue-specific proteins and approximately half of the genes expressed in all the analyzed cells. The status for each gene with regards to protein evidence is visualized in a chromosome-centric manner as part of a new version of the Human Protein Atlas ( www.proteinatlas.org ).


Asunto(s)
Anticuerpos/química , Cromosomas Humanos/química , Proyecto Genoma Humano , Proteínas de Neoplasias/aislamiento & purificación , Neoplasias/química , Proteoma/aislamiento & purificación , Línea Celular , Línea Celular Tumoral , Expresión Génica , Perfilación de la Expresión Génica , Genoma Humano , Humanos , Microscopía Fluorescente , Proteínas de Neoplasias/genética , Proteínas de Neoplasias/metabolismo , Neoplasias/genética , Neoplasias/metabolismo , Análisis de Secuencia por Matrices de Oligonucleótidos , Proteoma/genética , Proteoma/metabolismo , ARN Mensajero/genética , ARN Mensajero/metabolismo
7.
Nat Commun ; 14(1): 5417, 2023 09 05.
Artículo en Inglés | MEDLINE | ID: mdl-37669926

RESUMEN

Cell lines are valuable resources as model for human biology and translational medicine. It is thus important to explore the concordance between the expression in various cell lines vis-à-vis human native and disease tissues. In this study, we investigate the expression of all human protein-coding genes in more than 1,000 human cell lines representing 27 cancer types by a genome-wide transcriptomics analysis. The cell line gene expression is compared with the corresponding profiles in various tissues, organs, single-cell types and cancers. Here, we present the expression for each cell line and give guidance for the most appropriate cell line for a given experimental study. In addition, we explore the cancer-related pathway and cytokine activity of the cell lines to aid human biology studies and drug development projects. All data are presented in an open access cell line section of the Human Protein Atlas to facilitate the exploration of all human protein-coding genes across these cell lines.


Asunto(s)
Neoplasias , Humanos , Línea Celular , Desarrollo de Medicamentos , Perfilación de la Expresión Génica , Expresión Génica
8.
Nat Commun ; 14(1): 4308, 2023 07 18.
Artículo en Inglés | MEDLINE | ID: mdl-37463882

RESUMEN

A comprehensive characterization of blood proteome profiles in cancer patients can contribute to a better understanding of the disease etiology, resulting in earlier diagnosis, risk stratification and better monitoring of the different cancer subtypes. Here, we describe the use of next generation protein profiling to explore the proteome signature in blood across patients representing many of the major cancer types. Plasma profiles of 1463 proteins from more than 1400 cancer patients are measured in minute amounts of blood collected at the time of diagnosis and before treatment. An open access Disease Blood Atlas resource allows the exploration of the individual protein profiles in blood collected from the individual cancer patients. We also present studies in which classification models based on machine learning have been used for the identification of a set of proteins associated with each of the analyzed cancers. The implication for cancer precision medicine of next generation plasma profiling is discussed.


Asunto(s)
Neoplasias Hematológicas , Neoplasias , Humanos , Proteoma/metabolismo , Neoplasias/diagnóstico , Neoplasias/metabolismo , Medicina de Precisión , Aprendizaje Automático
9.
Cell Rep ; 40(2): 111046, 2022 07 12.
Artículo en Inglés | MEDLINE | ID: mdl-35830816

RESUMEN

The importance of defining cell-type-specific genes is well acknowledged. Technological advances facilitate high-resolution sequencing of single cells, but practical challenges remain. Adipose tissue is composed primarily of adipocytes, large buoyant cells requiring extensive, artefact-generating processing for separation and analysis. Thus, adipocyte data are frequently absent from single-cell RNA sequencing (scRNA-seq) datasets, despite being the primary functional cell type. Here, we decipher cell-type-enriched transcriptomes from unfractionated human adipose tissue RNA-seq data. We profile all major constituent cell types, using 527 visceral adipose tissue (VAT) or 646 subcutaneous adipose tissue (SAT) samples, identifying over 2,300 cell-type-enriched transcripts. Sex-subset analysis uncovers a panel of male-only cell-type-enriched genes. By resolving expression profiles of genes differentially expressed between SAT and VAT, we identify mesothelial cells as the primary driver of this variation. This study provides an accessible method to profile cell-type-enriched transcriptomes using bulk RNA-seq, generating a roadmap for adipose tissue biology.


Asunto(s)
Grasa Subcutánea , Transcriptoma , Tejido Adiposo/metabolismo , Perfilación de la Expresión Génica , Humanos , Grasa Intraabdominal/metabolismo , Masculino , Grasa Subcutánea/metabolismo , Transcriptoma/genética
10.
Sci Adv ; 7(31)2021 07.
Artículo en Inglés | MEDLINE | ID: mdl-34321199

RESUMEN

Advances in molecular profiling have opened up the possibility to map the expression of genes in cells, tissues, and organs in the human body. Here, we combined single-cell transcriptomics analysis with spatial antibody-based protein profiling to create a high-resolution single-cell type map of human tissues. An open access atlas has been launched to allow researchers to explore the expression of human protein-coding genes in 192 individual cell type clusters. An expression specificity classification was performed to determine the number of genes elevated in each cell type, allowing comparisons with bulk transcriptomics data. The analysis highlights distinct expression clusters corresponding to cell types sharing similar functions, both within the same organs and between organs.


Asunto(s)
Proteoma , Transcriptoma , Anticuerpos/metabolismo , Perfilación de la Expresión Génica , Humanos , Proteoma/metabolismo , Proteómica
11.
Clin Transl Immunology ; 10(7): e1312, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34295471

RESUMEN

OBJECTIVE: The COVID-19 pandemic poses an immense need for accurate, sensitive and high-throughput clinical tests, and serological assays are needed for both overarching epidemiological studies and evaluating vaccines. Here, we present the development and validation of a high-throughput multiplex bead-based serological assay. METHODS: More than 100 representations of SARS-CoV-2 proteins were included for initial evaluation, including antigens produced in bacterial and mammalian hosts as well as synthetic peptides. The five best-performing antigens, three representing the spike glycoprotein and two representing the nucleocapsid protein, were further evaluated for detection of IgG antibodies in samples from 331 COVID-19 patients and convalescents, and in 2090 negative controls sampled before 2020. RESULTS: Three antigens were finally selected, represented by a soluble trimeric form and the S1-domain of the spike glycoprotein as well as by the C-terminal domain of the nucleocapsid. The sensitivity for these three antigens individually was found to be 99.7%, 99.1% and 99.7%, and the specificity was found to be 98.1%, 98.7% and 95.7%. The best assay performance was although achieved when utilising two antigens in combination, enabling a sensitivity of up to 99.7% combined with a specificity of 100%. Requiring any two of the three antigens resulted in a sensitivity of 99.7% and a specificity of 99.4%. CONCLUSION: These observations demonstrate that a serological test based on a combination of several SARS-CoV-2 antigens enables a highly specific and sensitive multiplex serological COVID-19 assay.

12.
Nat Commun ; 11(1): 4487, 2020 09 08.
Artículo en Inglés | MEDLINE | ID: mdl-32900998

RESUMEN

An important aspect of precision medicine is to probe the stability in molecular profiles among healthy individuals over time. Here, we sample a longitudinal wellness cohort with 100 healthy individuals and analyze blood molecular profiles including proteomics, transcriptomics, lipidomics, metabolomics, autoantibodies and immune cell profiling, complemented with gut microbiota composition and routine clinical chemistry. Overall, our results show high variation between individuals across different molecular readouts, while the intra-individual baseline variation is low. The analyses show that each individual has a unique and stable plasma protein profile throughout the study period and that many individuals also show distinct profiles with regards to the other omics datasets, with strong underlying connections between the blood proteome and the clinical chemistry parameters. In conclusion, the results support an individual-based definition of health and show that comprehensive omics profiling in a longitudinal manner is a path forward for precision medicine.


Asunto(s)
Envejecimiento Saludable/metabolismo , Metaboloma , Proteoma/metabolismo , Anciano , Estudios de Cohortes , Femenino , Envejecimiento Saludable/genética , Voluntarios Sanos , Humanos , Lipidómica , Estudios Longitudinales , Masculino , Metabolómica , Persona de Mediana Edad , Medicina de Precisión , Estudios Prospectivos , Proteómica , Suecia , Transcriptoma
13.
N Biotechnol ; 58: 45-54, 2020 Sep 25.
Artículo en Inglés | MEDLINE | ID: mdl-32502629

RESUMEN

The proteins secreted by human tissues and blood cells, the secretome, are important both for the basic understanding of human biology and for identification of potential targets for future diagnosis and therapy. Here, a high-throughput mammalian cell factory is presented that was established to create a resource of recombinant full-length proteins covering the majority of those annotated as 'secreted' in humans. The full-length DNA sequences of each of the predicted secreted proteins were generated by gene synthesis, the constructs were transfected into Chinese hamster ovary (CHO) cells and the recombinant proteins were produced, purified and analyzed. Almost 1,300 proteins were successfully generated and proteins predicted to be secreted into the blood were produced with a success rate of 65%, while the success rates for the other categories of secreted proteins were somewhat lower giving an overall one-pass success rate of ca. 58%. The proteins were used to generate targeted proteomics assays and several of the proteins were shown to be active in a phenotypic assay involving pancreatic ß-cell dedifferentiation. Many of the proteins that failed during production in CHO cells could be rescued in human embryonic kidney (HEK 293) cells suggesting that a cell factory of human origin can be an attractive alternative for production in mammalian cells. In conclusion, a high-throughput protein production and purification system has been successfully established to create a unique resource of the human secretome.


Asunto(s)
Ensayos Analíticos de Alto Rendimiento , Animales , Células CHO , Cricetulus , ADN/biosíntesis , ADN/genética , Células HEK293 , Humanos , Proteómica , Proteínas Recombinantes/análisis , Proteínas Recombinantes/metabolismo
14.
Science ; 367(6482)2020 03 06.
Artículo en Inglés | MEDLINE | ID: mdl-32139519

RESUMEN

The brain, with its diverse physiology and intricate cellular organization, is the most complex organ of the mammalian body. To expand our basic understanding of the neurobiology of the brain and its diseases, we performed a comprehensive molecular dissection of 10 major brain regions and multiple subregions using a variety of transcriptomics methods and antibody-based mapping. This analysis was carried out in the human, pig, and mouse brain to allow the identification of regional expression profiles, as well as to study similarities and differences in expression levels between the three species. The resulting data have been made available in an open-access Brain Atlas resource, part of the Human Protein Atlas, to allow exploration and comparison of the expression of individual protein-coding genes in various parts of the mammalian brain.


Asunto(s)
Atlas como Asunto , Encéfalo/fisiología , Regulación de la Expresión Génica , Proteínas del Tejido Nervioso/genética , Transcriptoma , Animales , Conjuntos de Datos como Asunto , Femenino , Humanos , Masculino , Ratones , Ratones Endogámicos C57BL , Especificidad de Órganos/genética , Especificidad de la Especie , Porcinos
15.
Science ; 366(6472)2019 12 20.
Artículo en Inglés | MEDLINE | ID: mdl-31857451

RESUMEN

Blood is the predominant source for molecular analyses in humans, both in clinical and research settings. It is the target for many therapeutic strategies, emphasizing the need for comprehensive molecular maps of the cells constituting human blood. In this study, we performed a genome-wide transcriptomic analysis of protein-coding genes in sorted blood immune cell populations to characterize the expression levels of each individual gene across the blood cell types. All data are presented in an interactive, open-access Blood Atlas as part of the Human Protein Atlas and are integrated with expression profiles across all major tissues to provide spatial classification of all protein-coding genes. This allows for a genome-wide exploration of the expression profiles across human immune cell populations and all major human tissues and organs.


Asunto(s)
Células Sanguíneas/metabolismo , Transcriptoma , Perfilación de la Expresión Génica , Estudio de Asociación del Genoma Completo , Humanos , Proteínas/genética
16.
Sci Signal ; 12(609)2019 11 26.
Artículo en Inglés | MEDLINE | ID: mdl-31772123

RESUMEN

The proteins secreted by human cells (collectively referred to as the secretome) are important not only for the basic understanding of human biology but also for the identification of potential targets for future diagnostics and therapies. Here, we present a comprehensive analysis of proteins predicted to be secreted in human cells, which provides information about their final localization in the human body, including the proteins actively secreted to peripheral blood. The analysis suggests that a large number of the proteins of the secretome are not secreted out of the cell, but instead are retained intracellularly, whereas another large group of proteins were identified that are predicted to be retained locally at the tissue of expression and not secreted into the blood. Proteins detected in the human blood by mass spectrometry-based proteomics and antibody-based immunoassays are also presented with estimates of their concentrations in the blood. The results are presented in an updated version 19 of the Human Protein Atlas in which each gene encoding a secretome protein is annotated to provide an open-access knowledge resource of the human secretome, including body-wide expression data, spatial localization data down to the single-cell and subcellular levels, and data about the presence of proteins that are detectable in the blood.


Asunto(s)
Bases de Datos de Proteínas , Proteoma/metabolismo , Proteómica , Humanos
17.
Nat Commun ; 9(1): 4130, 2018 10 08.
Artículo en Inglés | MEDLINE | ID: mdl-30297845

RESUMEN

There is a need for standardized validation methods for antibody specificity and selectivity. Recently, five alternative validation pillars were proposed to explore the specificity of research antibodies using methods with no need for prior knowledge about the protein target. Here, we show that these principles can be used in a streamlined manner for enhanced validation of research antibodies in Western blot applications. More than 6,000 antibodies were validated with at least one of these strategies involving orthogonal methods, genetic knockdown, recombinant expression, independent antibodies, and capture mass spectrometry analysis. The results show a path forward for efforts to validate antibodies in an application-specific manner suitable for both providers and users.


Asunto(s)
Anticuerpos/inmunología , Especificidad de Anticuerpos/inmunología , Ensayos Analíticos de Alto Rendimiento/métodos , Estudios de Validación como Asunto , Animales , Western Blotting/métodos , Western Blotting/normas , Ensayos Analíticos de Alto Rendimiento/normas , Humanos , Estándares de Referencia , Reproducibilidad de los Resultados
18.
Science ; 357(6352)2017 08 18.
Artículo en Inglés | MEDLINE | ID: mdl-28818916

RESUMEN

Cancer is one of the leading causes of death, and there is great interest in understanding the underlying molecular mechanisms involved in the pathogenesis and progression of individual tumors. We used systems-level approaches to analyze the genome-wide transcriptome of the protein-coding genes of 17 major cancer types with respect to clinical outcome. A general pattern emerged: Shorter patient survival was associated with up-regulation of genes involved in cell growth and with down-regulation of genes involved in cellular differentiation. Using genome-scale metabolic models, we show that cancer patients have widespread metabolic heterogeneity, highlighting the need for precise and personalized medicine for cancer treatment. All data are presented in an interactive open-access database (www.proteinatlas.org/pathology) to allow genome-wide exploration of the impact of individual proteins on clinical outcomes.


Asunto(s)
Atlas como Asunto , Genes Relacionados con las Neoplasias , Neoplasias/genética , Neoplasias/patología , Transcriptoma , Redes Reguladoras de Genes , Humanos , Neoplasias/clasificación , Neoplasias/mortalidad , Pronóstico
19.
Science ; 356(6340)2017 05 26.
Artículo en Inglés | MEDLINE | ID: mdl-28495876

RESUMEN

Resolving the spatial distribution of the human proteome at a subcellular level can greatly increase our understanding of human biology and disease. Here we present a comprehensive image-based map of subcellular protein distribution, the Cell Atlas, built by integrating transcriptomics and antibody-based immunofluorescence microscopy with validation by mass spectrometry. Mapping the in situ localization of 12,003 human proteins at a single-cell level to 30 subcellular structures enabled the definition of the proteomes of 13 major organelles. Exploration of the proteomes revealed single-cell variations in abundance or spatial distribution and localization of about half of the proteins to multiple compartments. This subcellular map can be used to refine existing protein-protein interaction networks and provides an important resource to deconvolute the highly complex architecture of the human cell.


Asunto(s)
Imagen Molecular , Orgánulos/química , Orgánulos/metabolismo , Mapas de Interacción de Proteínas , Proteoma/análisis , Proteoma/metabolismo , Análisis de la Célula Individual , Línea Celular , Conjuntos de Datos como Asunto , Femenino , Humanos , Masculino , Espectrometría de Masas , Microscopía Fluorescente , Mapeo de Interacción de Proteínas , Proteoma/genética , Reproducibilidad de los Resultados , Fracciones Subcelulares , Transcriptoma
20.
Science ; 347(6220): 1260419, 2015 Jan 23.
Artículo en Inglés | MEDLINE | ID: mdl-25613900

RESUMEN

Resolving the molecular details of proteome variation in the different tissues and organs of the human body will greatly increase our knowledge of human biology and disease. Here, we present a map of the human tissue proteome based on an integrated omics approach that involves quantitative transcriptomics at the tissue and organ level, combined with tissue microarray-based immunohistochemistry, to achieve spatial localization of proteins down to the single-cell level. Our tissue-based analysis detected more than 90% of the putative protein-coding genes. We used this approach to explore the human secretome, the membrane proteome, the druggable proteome, the cancer proteome, and the metabolic functions in 32 different tissues and organs. All the data are integrated in an interactive Web-based database that allows exploration of individual proteins, as well as navigation of global expression patterns, in all major tissues and organs in the human body.


Asunto(s)
Bases de Datos de Proteínas , Proteoma/metabolismo , Empalme Alternativo , Línea Celular , Femenino , Genes , Código Genético , Humanos , Internet , Masculino , Proteínas de la Membrana/genética , Proteínas de la Membrana/metabolismo , Proteínas Mitocondriales/genética , Proteínas Mitocondriales/metabolismo , Neoplasias/genética , Neoplasias/metabolismo , Análisis por Matrices de Proteínas , Isoformas de Proteínas/genética , Isoformas de Proteínas/metabolismo , Proteoma/genética , Distribución Tisular , Transcripción Genética
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