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Palacio PL, Greenwald J, Nguyen KT, Shantaram D, Butsch BL, Kim Y, Dattu MH, Noria S, Brethauer SA, Needleman BJ, Wysocki V, Hsueh W, Reátegui E, Magaña SM. Novel multiparametric bulk and single EV pipeline for adipose cell-specific biomarker discovery in paired human biospecimens. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.18.590172. [PMID: 38659953 PMCID: PMC11042368 DOI: 10.1101/2024.04.18.590172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Obesity is a global health crisis that contributes to morbidity and mortality worldwide. Obesity's comorbid association with a variety of diseases, from metabolic syndrome to neurodegenerative disease, underscores the critical need to better understand the pathobiology of obesity. Adipose tissue, once seen as an inert storage depot, is now recognized as an active endocrine organ, regulating metabolic and systemic homeostasis. Recent studies spotlight the theranostic utility of extracellular vesicles (EVs) as novel biomarkers and drivers of disease, including obesity-related complications. Adipose-derived EVs (ADEVs) have garnered increased interest for their roles in diverse diseases, however robust isolation and characterization protocols for human, cell-specific EV subsets are limited. Herein, we directly address this technical challenge by establishing a multiparametric analysis framework that leverages bulk and single EV characterization, mRNA phenotyping and proteomics of human ADEVs directly from paired visceral adipose tissue, cultured mature adipocyte conditioned media, and plasma from obese subjects undergoing bariatric surgery. Importantly, rigorous EV phenotyping at the tissue and cell-specific level identified top 'adipose liquid biopsy' candidates that were validated in circulating plasma EVs from the same patient. In summary, our study paves the way toward a tissue and cell-specific, multiparametric framework for studying tissue and circulating adipose EVs in obesity-driven disease.
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Thalheim T, Schneider MR. Skin single-cell transcriptomics reveals a core of sebaceous gland-relevant genes shared by mice and humans. BMC Genomics 2024; 25:137. [PMID: 38310227 PMCID: PMC10837983 DOI: 10.1186/s12864-024-10008-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/11/2024] [Indexed: 02/05/2024] Open
Abstract
BACKGROUND Single-cell RNA sequencing (scRNA-seq) has been widely applied to dissect cellular heterogeneity in normal and diseased skin. Sebaceous glands, essential skin components with established functions in maintaining skin integrity and emerging roles in systemic energy metabolism, have been largely neglected in scRNA-seq studies. METHODS Departing from mouse and human skin scRNA-seq datasets, we identified gene sets expressed especially in sebaceous glands with the open-source R-package oposSOM. RESULTS The identified gene sets included sebaceous gland-typical genes as Scd3, Mgst1, Cidea, Awat2 and KRT7. Surprisingly, however, there was not a single overlap among the 100 highest, exclusively in sebaceous glands expressed transcripts in mouse and human samples. Notably, both species share a common core of only 25 transcripts, including mitochondrial and peroxisomal genes involved in fatty acid, amino acid, and glucose processing, thus highlighting the intense metabolic rate of this gland. CONCLUSIONS This study highlights intrinsic differences in sebaceous lipid synthesis between mice and humans, and indicates an important role for peroxisomal processes in this context. Our data also provides attractive starting points for experimentally addressing novel candidates regulating sebaceous gland homeostasis.
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Affiliation(s)
- Torsten Thalheim
- Interdisciplinary Institute for Bioinformatics (IZBI), University of Leipzig, Härtelstr. 16-18, 04107, Leipzig, Germany
- Present Address: Deutsches Biomasseforschungszentrum gGmbH, Torgauer Str. 116, 04347, Leipzig, Germany
| | - Marlon R Schneider
- Institute of Veterinary Physiology, University of Leipzig, An den Tierkliniken 7, Leipzig, 04103, Germany.
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Paul B, Merta H, Ugrankar-Banerjee R, Hensley M, Tran S, Dias do Vale G, McDonald JG, Farber SA, Henne WM. Paraoxonase-like APMAP maintains endoplasmic reticulum-associated lipid and lipoprotein homeostasis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.26.577049. [PMID: 38328083 PMCID: PMC10849633 DOI: 10.1101/2024.01.26.577049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Oxidative stress perturbs lipid homeostasis and contributes to metabolic diseases. Though ignored compared to mitochondrial oxidation, the endoplasmic reticulum (ER) generates reactive oxygen species requiring antioxidant quality control. Using multi-organismal profiling featuring Drosophila, zebrafish, and mammalian cells, here we characterize the paraoxonase-like APMAP as an ER-localized protein that promotes redox and lipid homeostasis and lipoprotein maturation. APMAP-depleted mammalian cells exhibit defective ER morphology, elevated ER and oxidative stress, lipid droplet accumulation, and perturbed ApoB-lipoprotein homeostasis. Critically, APMAP loss is rescued with chemical antioxidant NAC. Organismal APMAP depletion in Drosophila perturbs fat and lipoprotein homeostasis, and zebrafish display increased vascular ApoB-containing lipoproteins, particles that are atherogenic in mammals. Lipidomics reveals altered polyunsaturated phospholipids and increased ceramides upon APMAP loss, which perturbs ApoB-lipoprotein maturation. These ApoB-associated defects are rescued by inhibiting ceramide synthesis. Collectively, we propose APMAP is an ER-localized antioxidant that promotes lipid and lipoprotein homeostasis.
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Affiliation(s)
- Blessy Paul
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390
| | - Holly Merta
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390
| | | | - Monica Hensley
- Department of Biology, Johns Hopkins University, Baltimore, MD 21218
| | - Son Tran
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390
| | - Goncalo Dias do Vale
- Department of Molecular Genetics, UT Southwestern Medical Center, Dallas, TX 75390
| | - Jeffrey G McDonald
- Department of Molecular Genetics, UT Southwestern Medical Center, Dallas, TX 75390
| | - Steven A Farber
- Department of Biology, Johns Hopkins University, Baltimore, MD 21218
| | - W Mike Henne
- Department of Cell Biology, UT Southwestern Medical Center, Dallas, TX 75390
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4
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Zhu X, Xiang Z, Zou L, Chen X, Peng X, Xu D. APMAP Promotes Epithelial-Mesenchymal Transition and Metastasis of Cervical Cancer Cells by Activating the Wnt/β-catenin Pathway. J Cancer 2021; 12:6265-6273. [PMID: 34539899 PMCID: PMC8425192 DOI: 10.7150/jca.59595] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 08/09/2021] [Indexed: 12/24/2022] Open
Abstract
Cervical cancer is a malignant tumor of the female reproductive system. At present, its occurrence, development and transfer mechanism are not entirely clear. APMAP (Adipocyte Plasma Membrane Associated Protein) is a glycosyl type II transmembrane protein that is mainly distributed in the plasma membrane and endoplasmic reticulum of adipocytes. APMAP has been reported to be involved in lipid transport and can induce epithelial-mesenchymal transition of prostate cancer and the liver metastasis of colorectal cancer. However, the role of APMAP in cervical cancer is still unknown. We analyzed the expression and prognosis of APMAP using data in both the GEO and the TCGA databases. We analyzed the function of APMAP using Transwell, wound healing assay and flow cytometry, and assessed the main mechanisms of APMAP by RT-PCR and Western blotting. We found that APMAP was highly expressed in cervical cancer tissues, and patients with high expression had poor prognosis. The functional in vitro experiments demonstrated that APMAP knockdown significantly inhibited the migration ability of cervical cancer cells, but had little effect on cell apoptosis. Mechanically, APMAP promotes cervical cancer cell migration and epithelial-mesenchymal transition by activating the Wnt/β-catenin pathway. Overall, APMAP is a potential prognostic marker as well as a therapeutic target of cervical cancer.
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Affiliation(s)
- Xiuting Zhu
- Department of Gynaecology, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Zijin Xiang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Lingxiao Zou
- Department of Gynaecology, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Xueru Chen
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Xiangdong Peng
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Dabao Xu
- Department of Gynaecology, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
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5
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Li B, Yang J, Gong Y, Xiao Y, Zeng Q, Xu K, Duan Y, He J, He J, Ma H. Integrated Analysis of Liver Transcriptome, miRNA, and Proteome of Chinese Indigenous Breed Ningxiang Pig in Three Developmental Stages Uncovers Significant miRNA-mRNA-Protein Networks in Lipid Metabolism. Front Genet 2021; 12:709521. [PMID: 34603377 PMCID: PMC8481880 DOI: 10.3389/fgene.2021.709521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/19/2021] [Indexed: 11/13/2022] Open
Abstract
Liver is an important metabolic organ of mammals. During each transitional period of life, liver metabolism is programmed by a complex molecular regulatory system for multiple physiological functions, many pathways of which are regulated by hormones and cytokines, nuclear receptors, and transcription factors. To gain a comprehensive and unbiased molecular understanding of liver growth and development in Ningxiang pigs, we analyzed the mRNA, microRNA (miRNA), and proteomes of the livers of Ningxiang pigs during lactation, nursery, and fattening periods. A total of 22,411 genes (19,653 known mRNAs and 2758 novel mRNAs), 1122 miRNAs (384 known miRNAs and 738 novel miRNAs), and 1123 unique proteins with medium and high abundance were identified by high-throughput sequencing and mass spectrometry. We show that the differences in transcriptional, post-transcriptional, or protein levels were readily identified by comparing different time periods, providing evidence that functional changes that may occur during liver development are widespread. In addition, we found many overlapping differentially expressed genes (DEGs)/differentially expressed miRNAs (DEMs)/differentially expressed proteins (DEPs) related to glycolipid metabolism in any group comparison. These overlapping DEGs/DEMs/DGPs may play an important role in functional transformation during liver development. Short Time-series Expression Miner (STEM) analysis revealed multiple expression patterns of mRNA, miRNA, and protein in the liver. Furthermore, several diverse key Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, including immune defense, glycolipid metabolism, protein transport and uptake, and cell proliferation and development, were identified by combined analysis of DEGs and DGPs. A number of predicted miRNA-mRNA-protein pairs were found and validated by qRT-PCR and parallel reaction monitoring (PRM) assays. The results provide new and important information about the genetic breeding of Ningxiang pigs, which represents a foundation for further understanding the molecular regulatory mechanisms of dynamic development of liver tissue, functional transformation, and lipid metabolism.
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Affiliation(s)
- Biao Li
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Jinzeng Yang
- Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Yan Gong
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Yu Xiao
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Qinghua Zeng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
- Ningxiang Pig Farm of Dalong Livestock Technology Co., Ltd., Ningxiang, China
| | - Kang Xu
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agroecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences (CAS), Changsha, China
| | - Yehui Duan
- Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agroecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences (CAS), Changsha, China
| | - Jianhua He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Jun He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
| | - Haiming Ma
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
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6
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Lopes PC, de Bruijn R. Neurotranscriptomic changes associated with chick-directed parental care in adult non-reproductive Japanese quail. Sci Rep 2021; 11:15481. [PMID: 34326416 PMCID: PMC8322411 DOI: 10.1038/s41598-021-94927-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 07/19/2021] [Indexed: 12/13/2022] Open
Abstract
For many species, parental care critically affects offspring survival. But what drives animals to display parental behaviours towards young? In mammals, pregnancy-induced physiological transformations seem key in preparing the neural circuits that lead towards attraction (and reduced-aggression) to young. Beyond mammalian maternal behaviour, knowledge of the neural mechanisms that underlie young-directed parental care is severely lacking. We took advantage of a domesticated bird species, the Japanese quail, for which parental behaviour towards chicks can be induced in virgin non-reproductive adults through a sensitization procedure, a process that is not effective in all animals. We used the variation in parental responses to study neural transcriptomic changes associated with the sensitization procedure itself and with the outcome of the procedure (i.e., presence of parental behaviours). We found differences in gene expression in the hypothalamus and bed nucleus of the stria terminalis, but not the nucleus taeniae. Two genes identified are of particular interest. One is neurotensin, previously only demonstrated to be causally associated with maternal care in mammals. The other one is urocortin 3, causally demonstrated to affect young-directed neglect and aggression in mammals. Because our studies were conducted in animals that were reproductively quiescent, our results reflect core neural changes that may be associated with avian young-directed care independently of extensive hormonal stimulation. Our work opens new avenues of research into understanding the neural basis of parental care in non-placental species.
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Affiliation(s)
- Patricia C Lopes
- Schmid College of Science and Technology, Chapman University, Orange, CA, USA.
| | - Robert de Bruijn
- Schmid College of Science and Technology, Chapman University, Orange, CA, USA
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7
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Haley SA, O'Hara BA, Atwood WJ. Adipocyte Plasma Membrane Protein (APMAP) promotes JC Virus (JCPyV) infection in human glial cells. Virology 2020; 548:17-24. [PMID: 32838939 DOI: 10.1016/j.virol.2020.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/01/2020] [Accepted: 06/01/2020] [Indexed: 11/16/2022]
Abstract
The demyelinating disease progressive multifocal leukoencephalopathy (PML) is caused by the human polyomavirus, JCPyV, under conditions of prolonged immunosuppression. Initial infection is asymptomatic, and the virus establishes lifelong persistence in the host. Following the loss of immune surveillance, the virus can traffic to the central nervous system and infect oligodendrocytes to cause demyelination and PML. The mechanisms involved in glial cell infection are not completely understood. In a screen for N-glycosylated proteins that influence JCPyV pathology, we identified Adipocyte Plasma Membrane Associated Protein (APMAP) as a host cell modulator of JCPyV infection. The removal of APMAP by small interfering siRNA as well as by CRISPR-Cas9 gene editing resulted in a significant decrease in JCPyV infection. Exogenous expression of APMAP in APMAP knockout cell lines rescued susceptibility to infection. These data suggest that virus infection of glial cells is dependent on APMAP.
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Affiliation(s)
- Sheila A Haley
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
| | - Bethany A O'Hara
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA
| | - Walter J Atwood
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
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8
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Pouliquen DL, Boissard A, Coqueret O, Guette C. Biomarkers of tumor invasiveness in proteomics (Review). Int J Oncol 2020; 57:409-432. [PMID: 32468071 PMCID: PMC7307599 DOI: 10.3892/ijo.2020.5075] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022] Open
Abstract
Over the past two decades, quantitative proteomics has emerged as an important tool for deciphering the complex molecular events involved in cancers. The number of references involving studies on the cancer metastatic process has doubled since 2010, while the last 5 years have seen the development of novel technologies combining deep proteome coverage capabilities with quantitative consistency and accuracy. To highlight key findings within this huge amount of information, the present review identified a list of tumor invasive biomarkers based on both the literature and data collected on a biocollection of experimental cell lines, tumor models of increasing invasiveness and tumor samples from patients with colorectal or breast cancer. Crossing these different data sources led to 76 proteins of interest out of 1,245 mentioned in the literature. Information on these proteins can potentially be translated into clinical prospects, since they represent potential targets for the development and evaluation of innovative therapies, alone or in combination. Herein, a systematical review of the biology of each of these proteins, including their specific subcellular/extracellular or multiple localizations is presented. Finally, as an important advantage of quantitative proteomics is the ability to provide data on all these molecules simultaneously in cell pellets, body fluids or paraffin‑embedded sections of tumors/invaded tissues, the significance of some of their interconnections is discussed.
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Affiliation(s)
| | - Alice Boissard
- Paul Papin ICO Cancer Center, CRCINA, Inserm, Université d'Angers, F‑44000 Nantes, France
| | | | - Catherine Guette
- Paul Papin ICO Cancer Center, CRCINA, Inserm, Université d'Angers, F‑44000 Nantes, France
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9
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Ye X, Gui X, Freed DC, Ku Z, Li L, Chen Y, Xiong W, Fan X, Su H, He X, Rustandi RR, Loughney JW, Ma N, Espeseth AS, Liu J, Zhu H, Wang D, Zhang N, Fu TM, An Z. Identification of adipocyte plasma membrane-associated protein as a novel modulator of human cytomegalovirus infection. PLoS Pathog 2019; 15:e1007914. [PMID: 31356650 PMCID: PMC6687193 DOI: 10.1371/journal.ppat.1007914] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 08/08/2019] [Accepted: 06/13/2019] [Indexed: 12/17/2022] Open
Abstract
Human cytomegalovirus (HCMV) is a ubiquitous pathogen that can cause disability in newborns and serious clinical diseases in immunocompromised patients. HCMV has a large genome with enormous coding potential; its viral particles are equipped with complicated glycoprotein complexes and can infect a wide range of human cells. Although multiple host cellular receptors interacting with viral glycoproteins have been reported, the mechanism of HCMV infection remains a mystery. Here we report identification of adipocyte plasma membrane-associated protein (APMAP) as a novel modulator active in the early stage of HCMV infection. APMAP is necessary for HCMV infection in both epithelial cells and fibroblasts; knockdown of APMAP expression significantly reduced HCMV infection of these cells. Interestingly, ectopic expression of human APMAP in cells refractory to HCMV infection, such as canine MDCK and murine NIH/3T3 cells, promoted HCMV infection. Furthermore, reduction in viral immediate early (IE) gene transcription at 6 h post infection and delayed nucleus translocation of tegument delivered pp65 at 4 h post infection were detected in APMAP-deficient cells but not in the wildtype cells. These results suggest that APMAP plays a role in the early stage of HCMV infection. Results from biochemical studies of APMAP and HCMV proteins suggest that APMAP could participate in HCMV infection through interaction with gH/gL containing glycoprotein complexes at low pH and mediate nucleus translocation of tegument pp65. Taken together, our results suggest that APMAP functions as a modulator promoting HCMV infection in multiple cell types and is an important player in the complex HCMV infection mechanism.
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Affiliation(s)
- Xiaohua Ye
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Xun Gui
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Daniel C. Freed
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
| | - Zhiqiang Ku
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Leike Li
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Yuanzhi Chen
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Wei Xiong
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Xuejun Fan
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
| | - Hang Su
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Xi He
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
| | | | - John W. Loughney
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
| | - Ningning Ma
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China
| | - Amy S. Espeseth
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
| | - Jian Liu
- Rutgers Medical School of New Jersey, Newark, NJ, United States of America
| | - Hua Zhu
- Rutgers Medical School of New Jersey, Newark, NJ, United States of America
| | - Dai Wang
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
| | - Ningyan Zhang
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
- * E-mail: (NZ); (TMF); (ZN)
| | - Tong-Ming Fu
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
- MRL, Merck & Co., Inc., Kenilworth, NJ, United States of America
- * E-mail: (NZ); (TMF); (ZN)
| | - Zhiqiang An
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Texas, United States of America
- * E-mail: (NZ); (TMF); (ZN)
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10
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Wang L, Cheng B, Li H, Wang Y. Proteomics analysis of preadipocytes between fat and lean broilers. Br Poult Sci 2019; 60:522-529. [PMID: 31132862 DOI: 10.1080/00071668.2019.1621989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
1. Reducing excessive chicken body fat deposition is a main goal of the poultry industry. Preadipocytes are important in adipose tissue growth and development. 2. To discover proteins related to chicken fat deposition, two-dimensional fluorescence difference gel electrophoresis (2-D DIGE) was used to identify differentially expressed proteins in preadipocytes derived from Northeast Agricultural University broiler lines divergently selected for abdominal fat content (NEAUHLF). 3. A total of 46 differentially expressed protein spots were found in the preadipocytes between fat and lean broilers. Matrix-assisted laser desorption-ionisation time-of-flight mass spectrometry (MALDI-TOF-MS) analysis showed the protein spots corresponded to 33 different proteins. The proteins were mainly related to biological oxidation, cell proliferation, cytoskeleton, lipid metabolism, molecular chaperone, protein synthesis and signal transduction. 4. From the perspective of protein expression, these results lay a foundation for further study of the genetic mechanism of broiler adipose tissue growth and development.
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Affiliation(s)
- L Wang
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Chicken Genetics and Breeding , Harbin , P. R. China.,Department of Education of Heilongjiang Province, Key Laboratory of Animal Genetics, Breeding and Reproduction , Harbin , P. R. China.,College of Animal Science and Technology, Northeast Agricultural University , Harbin , P. R. China
| | - B Cheng
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Chicken Genetics and Breeding , Harbin , P. R. China.,Department of Education of Heilongjiang Province, Key Laboratory of Animal Genetics, Breeding and Reproduction , Harbin , P. R. China.,College of Animal Science and Technology, Northeast Agricultural University , Harbin , P. R. China
| | - H Li
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Chicken Genetics and Breeding , Harbin , P. R. China.,Department of Education of Heilongjiang Province, Key Laboratory of Animal Genetics, Breeding and Reproduction , Harbin , P. R. China.,College of Animal Science and Technology, Northeast Agricultural University , Harbin , P. R. China
| | - Y Wang
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Chicken Genetics and Breeding , Harbin , P. R. China.,Department of Education of Heilongjiang Province, Key Laboratory of Animal Genetics, Breeding and Reproduction , Harbin , P. R. China.,College of Animal Science and Technology, Northeast Agricultural University , Harbin , P. R. China
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11
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Pessentheiner AR, Huber K, Pelzmann HJ, Prokesch A, Radner FPW, Wolinski H, Lindroos-Christensen J, Hoefler G, Rülicke T, Birner-Gruenberger R, Bilban M, Bogner-Strauss JG. APMAP interacts with lysyl oxidase-like proteins, and disruption of Apmap leads to beneficial visceral adipose tissue expansion. FASEB J 2017; 31:4088-4103. [PMID: 28559441 PMCID: PMC5566180 DOI: 10.1096/fj.201601337r] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 05/15/2017] [Indexed: 01/18/2023]
Abstract
Adipocyte plasma membrane-associated protein (APMAP) has been described as an adipogenic factor in 3T3-L1 cells with unknown biochemical function; we therefore aimed to investigate the physiologic function of APMAP in vivo We generated Apmap-knockout mice and challenged them with an obesogenic diet to investigate their metabolic phenotype. We identified a novel truncated adipocyte-specific isoform of APMAP in mice that is produced by alternative transcription. Mice lacking the full-length APMAP protein, the only isoform that is expressed in humans, have an improved metabolic phenotype upon diet-induced obesity, indicated by enhanced insulin sensitivity, preserved glucose tolerance, increased respiratory exchange ratio, decreased inflammatory marker gene expression, and reduced adipocyte size. At the molecular level, APMAP interacts with the extracellular collagen cross-linking matrix proteins lysyl oxidase-like 1 and 3. On a high-fat diet, the expression of lysyl oxidase-like 1 and 3 is strongly decreased in Apmap-knockout mice, paralleled by reduced expression of profibrotic collagens and total collagen content in epididymal white adipose tissue, indicating decreased fibrotic potential. Together, our data suggest that APMAP is a novel regulator of extracellular matrix components, and establish that APMAP is a potential target to mitigate obesity-associated insulin resistance.-Pessentheiner, A. R., Huber, K., Pelzmann, H. J., Prokesch, A., Radner, F. P. W., Wolinski, H., Lindroos-Christensen, J., Hoefler, G., Rülicke, T., Birner-Gruenberger, R., Bilban, M., Bogner-Strauss, J. G. APMAP interacts with lysyl oxidase-like proteins, and disruption of Apmap leads to beneficial visceral adipose tissue expansion.
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Affiliation(s)
| | - Katharina Huber
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
| | - Helmut J Pelzmann
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
| | - Andreas Prokesch
- Institute of Cell Biology, Histology, and Embryology, Medical University of Graz, Graz, Austria
| | - Franz P W Radner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Heimo Wolinski
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- BioTechMed-Graz, University of Graz, Graz, Austria
| | | | - Gerald Hoefler
- Institute of Pathology, Medical University of Graz, Graz, Austria
| | - Thomas Rülicke
- Institute of Laboratory Animal Science, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Ruth Birner-Gruenberger
- Institute of Pathology, Medical University of Graz, Graz, Austria
- Omics Center Graz, BioTechMed-Graz, University of Graz, Graz, Austria
| | - Martin Bilban
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
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12
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Huo X, Wu B, Feng M, Han B, Fang Y, Hao Y, Meng L, Wubie AJ, Fan P, Hu H, Qi Y, Li J. Proteomic Analysis Reveals the Molecular Underpinnings of Mandibular Gland Development and Lipid Metabolism in Two Lines of Honeybees (Apis mellifera ligustica). J Proteome Res 2016; 15:3342-57. [DOI: 10.1021/acs.jproteome.6b00526] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xinmei Huo
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Bin Wu
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Mao Feng
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Bin Han
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Yu Fang
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Yue Hao
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Lifeng Meng
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Abebe Jenberie Wubie
- Department
of Animal production and Technology, College of Agriculture and Environmental
Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Pei Fan
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Han Hu
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Yuping Qi
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
| | - Jianke Li
- Institute
of Apicultural Research/Key Laboratory of Pollinating Insect Biology,
Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China
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13
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Ma Y, Gao J, Yin J, Gu L, Liu X, Chen S, Huang Q, Lu H, Yang Y, Zhou H, Wang Y, Peng Y. Identification of a Novel Function of Adipocyte Plasma Membrane-Associated Protein (APMAP) in Gestational Diabetes Mellitus by Proteomic Analysis of Omental Adipose Tissue. J Proteome Res 2016; 15:628-37. [PMID: 26767403 DOI: 10.1021/acs.jproteome.5b01030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Gestational diabetes mellitus (GDM) is considered as an early stage of type 2 diabetes mellitus. In this study, we compared demographic and clinical data between six GDM subjects and six normal glucose tolerance (NGT; healthy controls) subjects and found that homeostasis model of assessment for insulin resistance index (HOMA-IR) increased in GDM. Many previous studies demonstrated that omental adipose tissue dysfunction could induce insulin resistance. Thus, to investigate the cause of insulin resistance in GDM, we used label-free proteomics to identify differentially expressed proteins in omental adipose tissues from GDM and NGT subjects (data are available via ProteomeXchange with identifier PXD003095). A total of 3528 proteins were identified, including 66 significantly changed proteins. Adipocyte plasma membrane-associated protein (APMAP, a.k.a. C20orf3), one of the differentially expressed proteins, was down-regulated in GDM omental adipose tissues. Furthermore, mature 3T3-L1 adipocytes were used to simulate omental adipocytes. The inhibition of APMAP expression by RNAi impaired insulin signaling and activated NFκB signaling in these adipocytes. Our study revealed that the down-regulation of APMAP in omental adipose tissue may play an important role in insulin resistance in the pathophysiology of GDM.
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Affiliation(s)
| | - Jing Gao
- Department of Analytical Chemistry and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road, Shanghai 201203, China
| | | | | | - Xing Liu
- Department of Analytical Chemistry and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road, Shanghai 201203, China
| | | | | | | | | | - Hu Zhou
- Department of Analytical Chemistry and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road, Shanghai 201203, China
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14
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Kim DS, Hahn Y. The acquisition of novel N-glycosylation sites in conserved proteins during human evolution. BMC Bioinformatics 2015; 16:29. [PMID: 25628020 PMCID: PMC4314935 DOI: 10.1186/s12859-015-0468-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 01/15/2015] [Indexed: 12/19/2022] Open
Abstract
Background N-linked protein glycosylation plays an important role in various biological processes, including protein folding and trafficking, and cell adhesion and signaling. The acquisition of a novel N-glycosylation site may have significant effect on protein structure and function, and therefore, on the phenotype. Results We analyzed the human glycoproteome data set (2,534 N-glycosylation sites in 1,027 proteins) and identified 112 novel N-glycosylation sites in 91 proteins that arose in the human lineage since the last common ancestor of Euarchonta (primates and treeshrews). Three of them, Asn-196 in adipocyte plasma membrane-associated protein (APMAP), Asn-91 in cluster of differentiation 166 (CD166/ALCAM), and Asn-76 in thyroglobulin, are human-specific. Molecular evolutionary analysis suggested that these sites were under positive selection during human evolution. Notably, the Asn-76 of thyroglobulin might be involved in the increased production of thyroid hormones in humans, especially thyroxine (T4), because the removal of the glycan moiety from this site was reported to result in a significant decrease in T4 production. Conclusions We propose that the novel N-glycosylation sites described in this study may be useful candidates for functional analyses to identify innovative genetic modifications for beneficial phenotypes acquired in the human lineage. Electronic supplementary material The online version of this article (doi:10.1186/s12859-015-0468-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Yoonsoo Hahn
- Department of Life Science, Research Center for Biomolecules and Biosystems, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu 156-756, Seoul, Korea.
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15
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Mosser S, Alattia JR, Dimitrov M, Matz A, Pascual J, Schneider BL, Fraering PC. The adipocyte differentiation protein APMAP is an endogenous suppressor of Aβ production in the brain. Hum Mol Genet 2014; 24:371-82. [PMID: 25180020 PMCID: PMC4275069 DOI: 10.1093/hmg/ddu449] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The deposition of amyloid-beta (Aβ) aggregates in the brain is a major pathological hallmark of Alzheimer's disease (AD). Aβ is generated from the cleavage of C-terminal fragments of the amyloid precursor protein (APP-CTFs) by γ-secretase, an intramembrane-cleaving protease with multiple substrates, including the Notch receptors. Endogenous modulation of γ-secretase is pointed to be implicated in the sporadic, age-dependent form of AD. Moreover, specifically modulating Aβ production has become a priority for the safe treatment of AD because the inhibition of γ-secretase results in adverse effects that are related to impaired Notch cleavage. Here, we report the identification of the adipocyte differentiation protein APMAP as a novel endogenous suppressor of Aβ generation. We found that APMAP interacts physically with γ-secretase and its substrate APP. In cells, the partial depletion of APMAP drastically increased the levels of APP-CTFs, as well as uniquely affecting their stability, with the consequence being increased secretion of Aβ. In wild-type and APP/ presenilin 1 transgenic mice, partial adeno-associated virus-mediated APMAP knockdown in the hippocampus increased Aβ production by ∼20 and ∼55%, respectively. Together, our data demonstrate that APMAP is a negative regulator of Aβ production through its interaction with APP and γ-secretase. All observed APMAP phenotypes can be explained by an impaired degradation of APP-CTFs, likely caused by an altered substrate transport capacity to the lysosomal/autophagic system.
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Affiliation(s)
- Sebastien Mosser
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Jean-René Alattia
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Mitko Dimitrov
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Alexandre Matz
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Justine Pascual
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Bernard L Schneider
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
| | - Patrick C Fraering
- Brain Mind Institute and School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne CH1015, Switzerland
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16
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Choi DK, Oh TS, Choi JW, Mukherjee R, Wang X, Liu H, Yun JW. Gender Difference in Proteome of Brown Adipose Tissues between Male and Female Rats Exposed to a High Fat Diet. Cell Physiol Biochem 2011; 28:933-48. [DOI: 10.1159/000335807] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2011] [Indexed: 01/11/2023] Open
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17
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Bogner-Strauss JG, Prokesch A, Sanchez-Cabo F, Rieder D, Hackl H, Duszka K, Krogsdam A, Di Camillo B, Walenta E, Klatzer A, Lass A, Pinent M, Wong WC, Eisenhaber F, Trajanoski Z. Reconstruction of gene association network reveals a transmembrane protein required for adipogenesis and targeted by PPARγ. Cell Mol Life Sci 2010; 67:4049-64. [PMID: 20552250 PMCID: PMC11115701 DOI: 10.1007/s00018-010-0424-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2010] [Revised: 05/18/2010] [Accepted: 05/27/2010] [Indexed: 01/24/2023]
Abstract
We have developed a method for reconstructing gene association networks and have applied this method to gene profiles from 3T3-L1 cells. Priorization of the candidate genes pinpointed a transcript annotated as APMAP (adipocyte plasma membrane-associated protein). Functional studies showed that APMAP is upregulated in murine and human adipogenic cell models as well as in a genetic mouse model of obesity. Silencing APMAP in 3T3-L1 cells strongly impaired the differentiation into adipocytes. Moreover, APMAP expression was strongly induced by the PPARγ ligand rosiglitazone in adipocytes in vitro and in vivo in adipose tissue. Using ChIP-qPCR and luciferase reporter assays, we show a functional PPARγ binding site. In addition, we provide evidence that the extracellular C-terminal domain of APMAP is required for the function of APMAP in adipocyte differentiation. Finally, we demonstrate that APMAP translocates from the endoplasmatic reticulum to the plasma membrane during adipocyte differentiation.
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Affiliation(s)
- Juliane G. Bogner-Strauss
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Andreas Prokesch
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Fatima Sanchez-Cabo
- Genomics Unit, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Dietmar Rieder
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Hubert Hackl
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Kalina Duszka
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Anne Krogsdam
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | | | - Evelyn Walenta
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Ariane Klatzer
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Achim Lass
- Institute for Molecular Biosciences, Karl-Franzens University Graz, Graz, Austria
| | - Montserrat Pinent
- Institute for Genomics and Bioinformatics, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Wing-Cheong Wong
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Frank Eisenhaber
- Bioinformatics Institute (BII), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- Department of Biological Sciences (DBS), National University of Singapore (NUS), Singapore, Singapore
- School of Computer Engineering (SCE), Nanyang Technological University (NTU), Singapore, Singapore
| | - Zlatko Trajanoski
- Biocenter, Section for Bioinformatics, Innsbruck Medical University, Schöpfstrasse 45, 6020 Innsbruck, Austria
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18
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Ma X, Koepke J, Fritzsch G, Diem R, Kutchan TM, Michel H, Stöckigt J. Crystallization and preliminary X-ray crystallographic analysis of strictosidine synthase from Rauvolfia: the first member of a novel enzyme family. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2004; 1702:121-4. [PMID: 15450856 DOI: 10.1016/j.bbapap.2004.06.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2004] [Accepted: 06/03/2004] [Indexed: 11/24/2022]
Abstract
Strictosidine synthase is a central enzyme involved in the biosynthesis of almost all plant monoterpenoid indole alkaloids. Strictosidine synthase from Rauvolfia serpentina was heterologously expressed in Escherichia coli. Crystals of the purified recombinant enzyme have been obtained by the hanging-drop technique at 303 K with potassium sodium tartrate tetrahydrate as precipitant. The crystals belong to the space group R3 with cell dimensions of a=b=150.3 A and c=122.4 A. Under cryoconditions (120 K), the crystals diffract to about 2.95 A.
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Affiliation(s)
- Xueyan Ma
- Department of Pharmaceutical Biology, Institute of Pharmacy, Johannes Gutenberg-University Mainz, Staudinger Weg 5, D-55099 Mainz, Germany
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