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Mareboina M, Deng E, Mouratidis I, Yee NS, Pitteloud N, Georgakopoulos-Soares I, Chartoumpekis DV. A review on cell-free RNA profiling: Insights into metabolic diseases and predictive value for bariatric surgery outcomes. Mol Metab 2024; 87:101987. [PMID: 38977131 PMCID: PMC11305000 DOI: 10.1016/j.molmet.2024.101987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 06/25/2024] [Accepted: 07/04/2024] [Indexed: 07/10/2024] Open
Abstract
BACKGROUND The advent of liquid biopsies presents a novel, minimally invasive methodology for the detection of disease biomarkers, offering a significant advantage over traditional biopsy techniques. Particularly, the analysis of cell-free RNA (cfRNA) has garnered interest due to its dynamic expression profiles and the capability to study various RNA species, including messenger RNA (mRNA) and long non-coding RNA (lncRNA). These attributes position cfRNA as a versatile biomarker with broad potential applications in clinical research and diagnostics. SCOPE OF REVIEW This review delves into the utility of cfRNA biomarkers as prognostic tools for obesity-related comorbidities, such as diabetes, dyslipidemia, and non-alcoholic fatty liver disease. MAJOR CONCLUSIONS We evaluate the efficacy of cfRNA in forecasting metabolic outcomes associated with obesity and in identifying patients likely to experience favorable clinical outcomes following bariatric surgery. Additionally, this review synthesizes evidence from studies examining circulating cfRNA across different physiological and pathological states, with a focus on its role in diabetes, including disease progression monitoring and treatment efficacy assessment. Through this exploration, we underscore the emerging relevance of cfRNA signatures in the context of obesity and its comorbidities, setting the stage for future investigative efforts in this rapidly advancing domain.
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Affiliation(s)
- Manvita Mareboina
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Elen Deng
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Ioannis Mouratidis
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Nelson S Yee
- Division of Hematology-Oncology, Department of Medicine, Penn State Health Milton S. Hershey Medical Center, Next-Generation Therapies Program, Penn State Cancer Institute, Hershey, PA, USA
| | - Nelly Pitteloud
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, CH-1011, Lausanne, Switzerland
| | - Ilias Georgakopoulos-Soares
- Institute for Personalized Medicine, Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA.
| | - Dionysios V Chartoumpekis
- Service of Endocrinology, Diabetology and Metabolism, Lausanne University Hospital and University of Lausanne, CH-1011, Lausanne, Switzerland.
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Dai Y, Ghosh S, Shin BC, Devaskar SU. Role of microRNA-122 in hepatic lipid metabolism of the weanling female rat offspring exposed to prenatal and postnatal caloric restriction. J Nutr Biochem 2019; 73:108220. [PMID: 31630081 PMCID: PMC6896790 DOI: 10.1016/j.jnutbio.2019.108220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 06/23/2019] [Accepted: 07/30/2019] [Indexed: 12/17/2022]
Abstract
We examined the role of hepatocyte micro-RNA-122 and hypothalamic neuropeptides, in weanling (21d) female rats exposed to calorie restriction induced growth restriction either prenatally (IUGR), postnatally (PNGR) or both (IPGR) vs. ad lib fed controls (CON). IUGR were hyperinsulinemic, hyperleptinemic and dyslipidemic with high circulating miR-122. In contrast, PNGR and IPGR displayed insufficient glucose, insulin and leptin amidst high ketones with a dichotomy in circulating miR-122 of PNGR
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Affiliation(s)
- Yun Dai
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Shubhamoy Ghosh
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Bo-Chul Shin
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Sherin U Devaskar
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA.
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Shin BC, Ghosh S, Dai Y, Byun SY, Calkins KL, Devaskar SU. Early life high-fat diet exposure maintains glucose tolerance and insulin sensitivity with a fatty liver and small brain size in the adult offspring. Nutr Res 2019; 69:67-81. [PMID: 31639589 PMCID: PMC6934265 DOI: 10.1016/j.nutres.2019.08.004] [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: 04/24/2019] [Revised: 07/10/2019] [Accepted: 08/02/2019] [Indexed: 11/22/2022]
Abstract
Diet during pregnancy has long lasting consequences on the offspring, warranting a study on the impact of early exposure to a high fat diet on the adult offspring. We hypothesized that a prenatal n-6 enriched diet will have adverse metabolic outcomes on the adult offspring that may be reversed with a postnatal n-3 enriched diet. To test this hypothesis, we examined the adult offspring from three groups: (1) n-6 group: during gestation and lactation, dams consumed an n-6 polyunsaturated fatty acid enriched diet, (2) n-3 group: gestational n-6 diet was followed by an n-3 enriched diet during lactation, and (3) a control (CD) group that received standard diet throughout gestation and lactation. Offspring from all groups weaned to a control diet ad libitum. Beginning at postnatal day 2 (P < .03) and persisting at 360 days in males (P < .04), an increase in hypothalamic AgRP expression occurred in the n-6 and n-3 groups, with an increase in food intake (P = .01), and the n-3 group displaying lower body (P < .03) and brain (P < .05) weights. At 360 days, the n-6 and n-3 groups remained glucose tolerant and insulin sensitive, with increased phosphorylated-AMP-activated protein kinase (P < .05). n-6 group developed hepatic steatosis with reduced hepatic reflected as higher plasma microRNA-122 (P < .04) that targets pAMPK. We conclude that early life exposure to n-6 and n-3 led to hypothalamic AgRP-related higher food intake, with n-6 culminating in a fatty liver partially mitigated by postnatal n-3. While both diets preserved glucose tolerance and insulin sensitivity, postnatal n-3 displayed detrimental effects on the brain.
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Affiliation(s)
- Bo-Chul Shin
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752
| | - Shubhamoy Ghosh
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752
| | - Yun Dai
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752
| | - Shin Yun Byun
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752
| | - Kara L Calkins
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752
| | - Sherin U Devaskar
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine UCLA, Los Angeles, CA 90095-1752.
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Meta-Analysis of Differential miRNA Expression after Bariatric Surgery. J Clin Med 2019; 8:jcm8081220. [PMID: 31443156 PMCID: PMC6723285 DOI: 10.3390/jcm8081220] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/09/2019] [Accepted: 08/12/2019] [Indexed: 02/06/2023] Open
Abstract
Bariatric surgery is an efficient treatment for weight loss in obese patients and for resolving obesity comorbidities. However, the mechanisms behind these outcomes are unclear. Recent studies have indicated significant alterations in the transcriptome after surgery, specifically in the differential expression of microRNAs. In order to summarize the recent findings, we conducted a systematic summary of studies comparing microRNA expression levels before and after surgery. We identified 17 animal model and human studies from four databases (Ovid, Scopus, Web of Science, and PubMed) to be enrolled in this meta-analysis. From these studies, we identified 14 miRNAs which had the same direction of modulation of their expression after surgery in at least two studies (downregulated: hsa-miR-93-5p, hsa-miR-106b-5p, hsa-let-7b-5p, hsa-let-7i-5p, hsa-miR-16-5p, hsa-miR-19b-3p, hsa-miR-92a-3p, hsa-miR-222-3p, hsa-miR-142-3p, hsa-miR-140-5p, hsa-miR-155-5p, rno-miR-320-3p; upregulated: hsa-miR-7-5p, hsa-miR-320c). Pathway analysis for these miRNAs was done using database resources (DIANA-TarBase and KEGG pathway database) and their predicted target genes were discussed in relation with obesity and its comorbidities. Discrepancies in study design, such as miRNA source, bariatric surgery type, time of observation after surgery, and miRNA profiling methods, were also discussed.
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Selmaj I, Cichalewska M, Namiecinska M, Galazka G, Horzelski W, Selmaj KW, Mycko MP. Global exosome transcriptome profiling reveals biomarkers for multiple sclerosis. Ann Neurol 2017; 81:703-717. [PMID: 28411393 DOI: 10.1002/ana.24931] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 04/05/2017] [Accepted: 04/05/2017] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Accumulating evidence supports a role for exosomes in immune regulation. In this study, we investigated the total circulating exosome transcriptome in relapsing-remitting multiple sclerosis (RRMS) patients and healthy controls (HC). METHODS Next generation sequencing (NGS) was used to define the global RNA profile of serum exosomes in 19 RRMS patients (9 in relapse, 10 in remission) and 10 HC. We analyzed 5 million reads and >50,000 transcripts per sample, including a detailed analysis of microRNAs (miRNAs) differentially expressed in RRMS. The discovery set data were validated by quantification using digital quantitative polymerase chain reaction with an independent cohort of 63 RRMS patients (33 in relapse, 30 in remission) and 32 HC. RESULTS Exosomal RNA NGS revealed that of 15 different classes of transcripts detected, 4 circulating exosomal sequences within the miRNA category were differentially expressed in RRMS patients versus HC: hsa-miR-122-5p, hsa-miR-196b-5p, hsa-miR-301a-3p, and hsa-miR-532-5p. Serum exosomal expression of these miRNAs was significantly decreased during relapse in RRMS. These miRNAs were also decreased in patients with a gadolinium enhancement on brain magnetic resonance imaging. In vitro secretion of these miRNAs by peripheral blood mononuclear cells was also significantly impaired in RRMS. INTERPRETATION These data show that circulating exosomes have a distinct RNA profile in RRMS. Because putative targets for these miRNAs include the signal transducer and activator of transcription 3 and the cell cycle regulator aryl hydrocarbon receptor, the data suggest a disturbed cell-to-cell communication in this disease. Thus, exosomal miRNAs might represent a useful biomarker to distinguish multiple sclerosis relapse. Ann Neurol 2017;81:703-717.
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Affiliation(s)
- Igor Selmaj
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
| | - Maria Cichalewska
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
| | - Magdalena Namiecinska
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
| | - Grazyna Galazka
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
| | - Wojciech Horzelski
- Applied Computer Science, Department of Mathematics and Informatics, University of Lodz, Lodz, Poland
| | - Krzysztof W Selmaj
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
| | - Marcin P Mycko
- Laboratory of Neuroimmunology, Department of Neurology, University of Lodz, Lodz, Poland
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Nunez Lopez YO, Coen PM, Goodpaster BH, Seyhan AA. Gastric bypass surgery with exercise alters plasma microRNAs that predict improvements in cardiometabolic risk. Int J Obes (Lond) 2017; 41:1121-1130. [PMID: 28344345 DOI: 10.1038/ijo.2017.84] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/12/2017] [Accepted: 03/14/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND/OBJECTIVES Roux-en-Y gastric bypass (RYGB) surgery improves insulin sensitivity (SI) and β-cell function in obese non-diabetic subjects. Exercise also improves SI and may be an effective adjunct therapy to RYGB surgery. However, the mechanisms by which exercise or weight loss improve peripheral SI after RYGB surgery are unclear. We hypothesized that microRNAs (miRNAs) mediate at least some of the regulatory processes driving such mechanisms. Consequently, this work aimed at profiling plasma miRNAs in participants of the Physical Activity Following Surgery Induced Weight Loss study (clinicaltrials.gov identifier: NCT00692367), to assess whether miRNA levels track with improvements in SI and cardiometabolic risk factors. SUBJECTS/METHODS Ninety-four miRNAs implicated in metabolism were profiled in plasma samples from 22 severely obese subjects who were recruited 1-3 months after RYGB surgery and followed for 6 months of RYGB surgery-induced weight loss, with (exercise program (EX), N=11) or without (CON, N=11) an exercise training intervention. The subjects were selected, considering a priori sample size calculations, among the participants in the parent study. Mixed-effect modeling for repeated measures and partial correlation analysis was implemented in the R environment for statistical analysis. RESULTS Mirroring results in the parent trial, both groups experienced significant weight loss and improvements in cardiometabolic risk. In the CON group, weight loss significantly altered the pattern of circulating miR-7, miR-15a, miR-34a, miR-106a, miR-122 and miR-221. In the EX group, a distinct miRNA signature was altered: miR-15a, miR-34a, miR-122, miR-135b, miR-144, miR-149 and miR-206. Several miRNAs were significantly associated with improvements in acute insulin response, SI, and other cardiometabolic risk factors. CONCLUSIONS These findings present novel insights into the RYGB surgery-induced molecular changes and the effects of mild exercise to facilitate and/or maintain the benefits of a 'comprehensive' weight-loss intervention with concomitant improvements in cardiometabolic functions. Notably, we show a predictive value for miR-7, miR-15a, miR-106b and miR-135b.
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Affiliation(s)
- Y O Nunez Lopez
- Translational Research Institute for Metabolism and Diabetes, Florida Hospital, Orlando, FL, USA
| | - P M Coen
- Translational Research Institute for Metabolism and Diabetes, Florida Hospital, Orlando, FL, USA.,Sanford Burnham Prebys Medical Discovery Institute, Lake Nona, FL, USA
| | - B H Goodpaster
- Translational Research Institute for Metabolism and Diabetes, Florida Hospital, Orlando, FL, USA.,Sanford Burnham Prebys Medical Discovery Institute, Lake Nona, FL, USA
| | - A A Seyhan
- Translational Research Institute for Metabolism and Diabetes, Florida Hospital, Orlando, FL, USA.,Sanford Burnham Prebys Medical Discovery Institute, Lake Nona, FL, USA.,Massachusetts Institute of Technology, Chemical Engineering Department Cambridge, MA, USA
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