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Marchuk H, Wang Y, Ladd ZA, Chen X, Zhang GF. Pathophysiological mechanisms of complications associated with propionic acidemia. Pharmacol Ther 2023; 249:108501. [PMID: 37482098 PMCID: PMC10529999 DOI: 10.1016/j.pharmthera.2023.108501] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/06/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
Propionic acidemia (PA) is a genetic metabolic disorder caused by mutations in the mitochondrial enzyme, propionyl-CoA carboxylase (PCC), which is responsible for converting propionyl-CoA to methylmalonyl-CoA for further metabolism in the tricarboxylic acid cycle. When this process is disrupted, propionyl-CoA and its metabolites accumulate, leading to a variety of complications including life-threatening cardiac diseases and other metabolic strokes. While the clinical symptoms and diagnosis of PA are well established, the underlying pathophysiological mechanisms of PA-induced diseases are not fully understood. As a result, there are currently few effective therapies for PA beyond dietary restriction. This review focuses on the pathophysiological mechanisms of the various complications associated with PA, drawing on extensive research and clinical reports. Most research suggests that propionyl-CoA and its metabolites can impair mitochondrial energy metabolism and cause cellular damage by inducing oxidative stress. However, direct evidence from in vivo studies is still lacking. Additionally, elevated levels of ammonia can be toxic, although not all PA patients develop hyperammonemia. The discovery of pathophysiological mechanisms underlying various complications associated with PA can aid in the development of more effective therapeutic treatments. The consequences of elevated odd-chain fatty acids in lipid metabolism and potential gene expression changes mediated by histone propionylation also warrant further investigation.
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Affiliation(s)
- Hannah Marchuk
- Sarah W. Stedman Nutrition and Metabolism Center & Duke Molecular Physiology Institute, Duke University, Durham, NC 27701, USA
| | - You Wang
- Jining Key Laboratory of Pharmacology, Jining Medical University, Shandong 272067, China.; School of Basic Medicine, Jining Medical University, Shandong 272067, China
| | - Zachary Alec Ladd
- Surgical Research Lab, Department of Surgery, Cooper University Healthcare and Cooper Medical School of Rowan University, Camden, NJ 08103, USA
| | - Xiaoxin Chen
- Surgical Research Lab, Department of Surgery, Cooper University Healthcare and Cooper Medical School of Rowan University, Camden, NJ 08103, USA; Coriell Institute for Medical Research, Camden, NJ 08103, USA; MD Anderson Cancer Center at Cooper, Camden, NJ 08103, USA.
| | - Guo-Fang Zhang
- Sarah W. Stedman Nutrition and Metabolism Center & Duke Molecular Physiology Institute, Duke University, Durham, NC 27701, USA; Department of Medicine, Division of Endocrinology, and Metabolism Nutrition, Duke University Medical Center, Durham, NC 27710, USA.
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Chechekhin VI, Kulebyakin KY, Kokaev RI, Tyurin-Kuzmin PA. GPCRs in the regulation of the functional activity of multipotent mesenchymal stromal cells. Front Cell Dev Biol 2022; 10:953374. [PMID: 36046341 PMCID: PMC9421028 DOI: 10.3389/fcell.2022.953374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/01/2022] [Indexed: 11/24/2022] Open
Abstract
Adipose tissue is one of the tissues in the human body that is renewed during the whole life. Dysregulation of this process leads to conditions such as obesity, metabolic syndrome, and type 2 diabetes. The key role in maintaining the healthy state of adipose tissue is played by a specific group of postnatal stem cells called multipotent mesenchymal stromal cells (MSCs). They are both precursors for new adipocytes and key paracrine regulators of adipose tissue homeostasis. The activity of MSCs is tightly adjusted to the needs of the organism. To ensure such coordination, MSCs are put under strict regulation which is realized through a wide variety of signaling mechanisms. They control aspects of MSC activity such as proliferation, differentiation, and production of signal molecules via alteration of MSC sensitivity to hormonal stimuli. In this regard, MSCs use all the main mechanisms of hormonal sensitivity regulation observed in differentiated cells, but at the same time, several unique regulatory mechanisms have been found in MSCs. In the presented review, we will cover these unique mechanisms as well as specifics of common mechanisms of regulation of hormonal sensitivity in stem cells.
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Affiliation(s)
- Vadim I. Chechekhin
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Konstantin Yu. Kulebyakin
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Romesh I. Kokaev
- Institute of Biomedical Investigations, The Affiliate of Vladikavkaz Scientific Centre of Russian Academy of Sciences, Vladikavkaz, Russia
| | - Pyotr A. Tyurin-Kuzmin
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Lomonosov Moscow State University, Moscow, Russia
- *Correspondence: Pyotr A. Tyurin-Kuzmin,
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Rossi A, Rutten MGS, van Dijk TH, Bakker BM, Reijngoud DJ, Oosterveer MH, Derks TGJ. Dynamic Methods for Childhood Hypoglycemia Phenotyping: A Narrative Review. Front Endocrinol (Lausanne) 2022; 13:858832. [PMID: 35789807 PMCID: PMC9249565 DOI: 10.3389/fendo.2022.858832] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 04/27/2022] [Indexed: 11/25/2022] Open
Abstract
Hypoglycemia results from an imbalance between glucose entering the blood compartment and glucose demand, caused by a defect in the mechanisms regulating postprandial glucose homeostasis. Hypoglycemia represents one of the most common metabolic emergencies in childhood, potentially leading to serious neurologic sequelae, including death. Therefore, appropriate investigation of its specific etiology is paramount to provide adequate diagnosis, specific therapy and prevent its recurrence. In the absence of critical samples for biochemical studies, etiological assessment of children with hypoglycemia may include dynamic methods, such as in vivo functional tests, and continuous glucose monitoring. By providing detailed information on actual glucose fluxes in vivo, proof-of-concept studies have illustrated the potential (clinical) application of dynamic stable isotope techniques to define biochemical and clinical phenotypes of inherited metabolic diseases associated with hypoglycemia. According to the textbooks, individuals with glycogen storage disease type I (GSD I) display the most severe hypoglycemia/fasting intolerance. In this review, three dynamic methods are discussed which may be considered during both diagnostic work-up and monitoring of children with hypoglycemia: 1) functional in vivo tests; 2) in vivo metabolic profiling by continuous glucose monitoring (CGM); 3) stable isotope techniques. Future applications and benefits of dynamic methods in children with hypoglycemia are also discussed.
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Affiliation(s)
- Alessandro Rossi
- Section of Metabolic Diseases, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Department of Translational Medicine, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Martijn G S Rutten
- Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Theo H van Dijk
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Barbara M Bakker
- Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Dirk-Jan Reijngoud
- Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Maaike H Oosterveer
- Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Terry G J Derks
- Section of Metabolic Diseases, Beatrix Children's Hospital, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
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Storgaard JH, Løkken N, Madsen KL, Voermans NC, Laforêt P, Nadaj-Pakleza A, Tard C, van Hall G, Vissing J, Ørngreen MC. No effect of resveratrol on fatty acid oxidation or exercise capacity in patients with fatty acid oxidation disorders: A randomized clinical cross-over trial. J Inherit Metab Dis 2022; 45:517-528. [PMID: 35066899 DOI: 10.1002/jimd.12479] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 11/07/2022]
Abstract
The objective was to investigate whether resveratrol (RSV) can improve exercise capacity in patients with fatty acid oxidation (FAO) disorders. The study was a randomized, double-blind, cross-over trial. Nine patients with very long-chain acyl-CoA dehydrogenase (VLCAD) deficiency or carnitine palmitoyl transferase (CPT) II deficiency were randomized to receive either 8 weeks of 1000 mg day-1 RSV or placebo (P) followed by a 4-weeks wash-out period and subsequently 8 weeks of the opposite treatment. Primary outcome measures were heart rate and FAO as measured via stable isotope technique during constant workload exercise. Secondary outcome measures included fat and glucose metabolism; perceived exertion; as well as subjective measures of energy expenditure, fatigue, and daily function. Eight participants completed the trial. Heart rate did not differ at the end of exercise after treatment with RSV vs placebo (P = .063). Rate of oxidation of palmitate at end of exercise was not different with 1.5 ± 0.8 (RSV) vs 1.3 ± 0.6 (P) μmol kg-1 min-1 (P = .109). Secondary outcomes did not change except for increased plasma glycerol and decreased plasma glucose levels at the end of exercise after treatment with RSV vs placebo. A daily dose of 1000 mg resveratrol does not improve exercise capacity or FAO during exercise in patients with CPTII or VLCAD deficiencies.
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Affiliation(s)
- Jesper H Storgaard
- Copenhagen Neuromuscular Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Nicoline Løkken
- Copenhagen Neuromuscular Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Karen L Madsen
- Copenhagen Neuromuscular Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Nicol C Voermans
- Department of Neurology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Pascal Laforêt
- Nord/Est/Ile de France Neuromuscular Reference Center, FHU PHENIX, INSERM U1179, Neurology Department, Raymond-Poincaré Teaching Hospital, Garches, AP-HP, Paris Saclay University, France
| | - Aleksandra Nadaj-Pakleza
- Centre de Référence des Maladies Neuromusculaires Nord / Est / Ile-de-France, Service de Neurologie, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Céline Tard
- Centre de référence des maladies rares neuromusculaires, Nord Est Ile de France, U1171, Hôpital Salengro, CRU de Lille, Lille, France
| | - Gerrit van Hall
- Clinical Metabolomics Core Facility, Clinical Biochemistry, Righospitalet & Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - John Vissing
- Copenhagen Neuromuscular Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Mette C Ørngreen
- Copenhagen Neuromuscular Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
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Ji G, Liu Y, Song X, Li Z. Case Report: Novel Mutations in the PCCB Gene Causing Late-Onset Propionic Acidemia. Front Genet 2022; 13:807822. [PMID: 35368667 PMCID: PMC8968641 DOI: 10.3389/fgene.2022.807822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/10/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction: Propionic acidemia is an autosomal recessive metabolic disorder and the patients with adult onset are very rare.Methods: Two PCCB mutations were identified. Clinical data were collected from a patient, and metabolic screening and clinical exome sequencing analysis were performed.Results: Two novel mutations were identified in the PCCB gene: M1:c.404_406del:p.G135del and M2:c.632C>T:p.T211I.Conclusion: Late-onset propionic acidemia should be taken into account, and metabolic screening as well as gene analysis should be performed to make a definite diagnosis timely.
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Corrigendum. JIMD Rep 2021; 62:97. [PMID: 34765404 PMCID: PMC8574178 DOI: 10.1002/jmd2.12257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Schumann A, Belche V, Schaller K, Grünert SC, Kaech A, Baumgartner MR, Kölker S, Hannibal L, Spiekerkoetter U. Mitochondrial damage in renal epithelial cells is potentiated by protein exposure in propionic aciduria. J Inherit Metab Dis 2021; 44:1330-1342. [PMID: 34297429 DOI: 10.1002/jimd.12419] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 12/23/2022]
Abstract
Propionic aciduria (PA) is caused by deficiency of the mitochondrial enzyme propionyl-CoA carboxylase (PCC). Due to inefficient propionate catabolism patients are endangered by life-threatening ketoacidotic crisis. Protein and amino acid restriction are major therapeutic pillars. However, long-term complications like neurological deterioration and cardiac abnormalities cannot be prevented. Chronic kidney disease (CKD), which is a well-known characteristic of methylmalonic aciduria two enzymatic steps downstream from PCC, has been recognized as a novel late-onset complication in PA. The pathophysiology of CKD in PA is unclear. We investigated mitochondrial structure and metabolism in human renal tubular cells of healthy controls and PA patients. The cells were exposed to either standard cell culture conditions (NT), high protein (HP) or high concentrations of isoleucine and valine (I/V). Mitochondrial morphology changed to condensed, fractured morphology in PA cells irrespective of the cell culture medium. HP and I/V exposure, however, potentiated oxidative stress in PA cells. Mitochondrial mass was enriched in PA cells, and further increased by HP and I/V exposure suggesting a need for compensation. Alterations in the tricarboxylic acid cycle intermediates and accumulation of medium- and long-chain acylcarnitines pointed to altered mitochondrial energy metabolism. Mitophagy was silenced while autophagy as cellular defense mechanisms was highly active in PA cells. The data demonstrate that PA is associated with renal mitochondrial damage which is aggravated by protein and I/V load. Preservation of mitochondrial energy homeostasis in renal cells may be a potential future therapeutic target.
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Affiliation(s)
- Anke Schumann
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Véronique Belche
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Kristin Schaller
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Sarah C Grünert
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Andres Kaech
- Center for Microscopy and Image Analysis, University of Zurich, Zurich, Switzerland
| | - Matthias R Baumgartner
- Division of Metabolism and Children's Research Center, University Children's Hospital, University of Zurich, Zurich, Switzerland
| | - Stefan Kölker
- Division of Neuropediatrics and Pediatric Metabolic Medicine, Center for Child and Adolescent Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Luciana Hannibal
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Laboratory of Clinical Biochemistry and Metabolism, Medical Center, University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Ute Spiekerkoetter
- Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
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He W, Wang Y, Xie EJ, Barry MA, Zhang GF. Metabolic perturbations mediated by propionyl-CoA accumulation in organs of mouse model of propionic acidemia. Mol Genet Metab 2021; 134:257-266. [PMID: 34635437 DOI: 10.1016/j.ymgme.2021.09.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 12/18/2022]
Abstract
Propionic acidemia (PA) is an autosomal recessive metabolic disorder after gene encoding propionyl-CoA carboxylase, Pcca or Pccb, is mutated. This genetic disorder could develop various complications which are ascribed to dysregulated propionyl-CoA metabolism in organs. However, the effect of attenuated PCC on propionyl-CoA metabolism in different organs remains to be fully understood. We investigated metabolic perturbations in organs of Pcca-/-(A138T) mice (a mouse model of PA) under chow diet and acute administration of [13C3]propionate to gain insight into pathological mechanisms of PA. With chow diet, the metabolic alteration is organ dependent. l-Carnitine reduction induced by propionylcarnitine accumulation only occurs in lung and liver of Pcca-/- (A138T) mice. [13C3]Propionate tracing data demonstrated that PCC activity was dramatically reduced in Pcca-/-(A138T) brain, lung, liver, kidney, and adipose tissues, but not significantly changed in Pcca-/-(A138T) muscles (heart and skeletal muscles) and pancreas, which was largely supported by PCCA expression data. The largest expansion of propionylcarnitine in Pcca-/-(A138T) heart after acute administration of propionate indicated the vulnerability of heart to high circulating propionate. The overwhelming propionate in blood also stimulated ketone production from the increased fatty acid oxidation in Pcca-/-(A138T) liver by lowering malonyl-CoA, which has been observed in cases where metabolic decompensation occurs in PA patients. This work shed light on organ-specific metabolic alternations under varying severities of PA.
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Affiliation(s)
- Wentao He
- Duke Molecular Physiology Institute and Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, NC 27701, USA
| | - You Wang
- School of Basic Medicine, Jining Medical University, Shandong 272067, China
| | - Erik J Xie
- Duke Molecular Physiology Institute and Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, NC 27701, USA
| | - Michael A Barry
- Department of Medicine, Division of Infectious Diseases, Mayo Clinic, Rochester, MN 55905, USA
| | - Guo-Fang Zhang
- Duke Molecular Physiology Institute and Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, NC 27701, USA; Department of Medicine, Division of Endocrinology, Metabolism Nutrition, Duke University Medical Center, Durham, NC 27701, USA.
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