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Martagon AJ, Zubirán R, González-Arellanes R, Praget-Bracamontes S, Rivera-Alcántara JA, Aguilar-Salinas CA. HDL abnormalities in type 2 diabetes: Clinical implications. Atherosclerosis 2024; 394:117213. [PMID: 37580206 DOI: 10.1016/j.atherosclerosis.2023.117213] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/30/2023] [Accepted: 08/02/2023] [Indexed: 08/16/2023]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) represents the primary cause of mortality among patients with Type 2 Diabetes Mellitus (T2DM). In this population, High-Density Lipoprotein (HDL) particles exhibit abnormalities in number, composition, and function, culminating in diminished anti-atherosclerotic capabilities despite normal HDL cholesterol (HDL-C) concentrations. Hyperglycemic conditions contribute to these alterations in HDL kinetics, composition, and function, causing T2DM patients' HDL particles to exhibit decreased concentrations of diverse lipid species and proteins. Treatment of hyperglycemia has the potential to correct abnormal HDL particle attributes in T2DM; however, pharmacological interventions, including metformin and thiazolidinediones, yield inconsistent outcomes with respect to HDL-C concentrations and functionality. Despite numerous attempts with diverse drugs, pharmacologically augmenting HDL-C levels has not resulted in clinical benefits in mitigating ASCVD risk. In contrast, reducing Low Density Lipoprotein cholesterol (LDL-C) via statins and ezetimibe has demonstrated significant efficacy in curtailing CVD risk among T2DM individuals. Promising results have been observed in animal models and early-phase trials utilizing recombinant HDL and Lecitin Cholesterol Acyl Transferase (LCAT) -enhancing agents, but the evaluation of their efficacy and safety in large-scale clinical trials is ongoing. While aberrant HDL metabolism constitutes a prevalent aspect of dyslipidemia in T2DM, HDL cholesterol concentrations and composition no longer offer valuable insights for informing therapeutic decisions. Nevertheless, HDL metabolism remains a critical research area in T2DM, necessitating further investigation to elucidate the role of HDL particles in the development of diabetes-associated complications.
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Affiliation(s)
- Alexandro J Martagon
- Unidad de Investigación de Enfermedades Metabólicas Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, Mexico; Institute for Obesity Research, Tecnologico de Monterrey, México City, Mexico; Tecnológico de Monterrey, Escuela de Medicina y Ciencias de la Salud, México City, Mexico
| | - Rafael Zubirán
- Unidad de Investigación de Enfermedades Metabólicas Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, Mexico
| | | | - Samantha Praget-Bracamontes
- Unidad de Investigación de Enfermedades Metabólicas Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, Mexico
| | | | - Carlos A Aguilar-Salinas
- Unidad de Investigación de Enfermedades Metabólicas Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, Mexico; Dirección de Investigación, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México City, Mexico; Tecnológico de Monterrey, Escuela de Medicina y Ciencias de la Salud, México City, Mexico; Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon.
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Ratnayake A, Turri M, Calabresi L, Pavanello C, McLean A, Tanna A, Cegla J, Jones B, Duncan N. Emerging Therapies for Familial Lecithin-Cholesterol Acyltransferase Deficiency: A Role for Plasma Exchange. Kidney Int Rep 2024; 9:2299-2302. [PMID: 39081770 PMCID: PMC11284401 DOI: 10.1016/j.ekir.2024.04.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 08/02/2024] Open
Affiliation(s)
- Aruni Ratnayake
- Imperial College Renal and Transplant Center, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Marta Turri
- Centro Grossi Paoletti, Dipartimento di Scienze Farmacologiche Biomolecolari, Università degli Studi di Milano, Italy
| | - Laura Calabresi
- Centro Grossi Paoletti, Dipartimento di Scienze Farmacologiche Biomolecolari, Università degli Studi di Milano, Italy
| | - Chiara Pavanello
- Centro Grossi Paoletti, Dipartimento di Scienze Farmacologiche Biomolecolari, Università degli Studi di Milano, Italy
| | - Adam McLean
- Imperial College Renal and Transplant Center, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Anisha Tanna
- Imperial College Renal and Transplant Center, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Jaimini Cegla
- Department of Lipids and Cardiovascular Risk Service, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
| | - Ben Jones
- Department of Lipids and Cardiovascular Risk Service, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
- Section of Endocrinology and Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London UK
| | - Neill Duncan
- Imperial College Renal and Transplant Center, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, UK
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Pavanello C, Ossoli A. HDL and chronic kidney disease. ATHEROSCLEROSIS PLUS 2023; 52:9-17. [PMID: 37193017 PMCID: PMC10182177 DOI: 10.1016/j.athplu.2023.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 03/22/2023] [Accepted: 04/06/2023] [Indexed: 05/18/2023]
Abstract
Low HDL-cholesterol (HDL-C) concentrations are a typical trait of the dyslipidemia associated with chronic kidney disease (CKD). In this condition, plasma HDLs are characterized by alterations in structure and function, and these particles can lose their atheroprotective functions, e.g., the ability to promote cholesterol efflux from peripheral cells, anti-oxidant and anti-inflammatory proprieties and they can even become dysfunctional, i.e., exactly damaging. The reduction in plasma HDL-C levels appears to be the only lipid alteration clearly linked to the progression of renal disease in CKD patients. The association between the HDL system and CKD development and progression is also supported by the presence of genetic kidney alterations linked to HDL metabolism, including mutations in the APOA1, APOE, APOL and LCAT genes. Among these, renal disease associated with LCAT deficiency is well characterized and lipid abnormalities detected in LCAT deficiency carriers mirror the ones observed in CKD patients, being present also in acquired LCAT deficiency. This review summarizes the major alterations in HDL structure and function in CKD and how genetic alterations in HDL metabolism can be linked to kidney dysfunction. Finally, the possibility of targeting the HDL system as possible strategy to slow CKD progression is reviewed.
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Affiliation(s)
| | - Alice Ossoli
- Corresponding author. Center E. Grossi Paoletti, Dipartimento di Scienze Farmacologiche e Biomolecolari “Rodolfo Paoletti”, Università degli Studi di Milano, Via G. Balzaretti, 9, 20133, Milano, Italy.
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4
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Vitali C, Rader DJ, Cuchel M. Novel therapeutic opportunities for familial lecithin:cholesterol acyltransferase deficiency: promises and challenges. Curr Opin Lipidol 2023; 34:35-43. [PMID: 36473023 DOI: 10.1097/mol.0000000000000864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Genetic lecithin:cholesterol acyltransferase (LCAT) deficiency is a rare, inherited, recessive disease, which manifests as two different syndromes: Familial LCAT deficiency (FLD) and Fish-eye disease (FED), characterized by low HDL-C and corneal opacity. FLD patients also develop anaemia and renal disease. There is currently no therapy for FLD, but novel therapeutics are at different stages of development. Here, we summarize the most recent advances and the opportunities for and barriers to the further development of such therapies. RECENT FINDINGS Recent publications highlight the heterogeneous phenotype of FLD and the uncertainty over the natural history of disease and the factors contributing to disease progression. Therapies that restore LCAT function (protein and gene replacement therapies and LCAT activators) showed promising effects on markers of LCAT activity. Although they do not restore LCAT function, HDL mimetics may slow renal disease progression. SUMMARY The further development of novel therapeutics requires the identification of efficacy endpoints, which include quantitative biomarkers of disease progression. Because of the heterogeneity of renal disease progression among FLD individuals, future treatments for FLD will have to be tailored based on the specific clinical characteristics of the patient. Extensive studies of the natural history and biomarkers of the disease will be required to achieve this goal.
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Affiliation(s)
| | - Daniel J Rader
- Department of Medicine
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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5
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Bonilha I, Luchiari B, Nadruz W, Sposito AC. Very low HDL levels: clinical assessment and management. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2023; 67:3-18. [PMID: 36651718 PMCID: PMC9983789 DOI: 10.20945/2359-3997000000585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In individuals with very low high-density lipoprotein (HDL-C) cholesterol, such as Tangier disease, LCAT deficiency, and familial hypoalphalipoproteinemia, there is an increased risk of premature atherosclerosis. However, analyzes based on comparisons of populations with small variations in HDL-C mediated by polygenic alterations do not confirm these findings, suggesting that there is an indirect association or heterogeneity in the pathophysiological mechanisms related to the reduction of HDL-C. Trials that evaluated some of the HDL functions demonstrate a more robust degree of association between the HDL system and atherosclerotic risk, but as they were not designed to modify lipoprotein functionality, there is insufficient data to establish a causal relationship. We currently have randomized clinical trials of therapies that increase HDL-C concentration by various mechanisms, and this HDL-C elevation has not independently demonstrated a reduction in the risk of cardiovascular events. Therefore, this evidence shows that (a) measuring HDL-C as a way of estimating HDL-related atheroprotective system function is insufficient and (b) we still do not know how to increase cardiovascular protection with therapies aimed at modifying HDL metabolism. This leads us to a greater effort to understand the mechanisms of molecular action and cellular interaction of HDL, completely abandoning the traditional view focused on the plasma concentration of HDL-C. In this review, we will detail this new understanding and the new horizon for using the HDL system to mitigate residual atherosclerotic risk.
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Affiliation(s)
- Isabella Bonilha
- Universidade de Campinas (Unicamp), Laboratório de Biologia Vascular e Aterosclerose (AtheroLab), Divisão de Cardiologia, Campinas, SP, Brasil
| | - Beatriz Luchiari
- Universidade de Campinas (Unicamp), Laboratório de Biologia Vascular e Aterosclerose (AtheroLab), Divisão de Cardiologia, Campinas, SP, Brasil
| | - Wilson Nadruz
- Universidade de Campinas (Unicamp), Divisão de Cardiologia, Campinas, SP, Brasil
| | - Andrei C Sposito
- Universidade de Campinas (Unicamp), Laboratório de Biologia Vascular e Aterosclerose (AtheroLab), Divisão de Cardiologia, Campinas, SP, Brasil,
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von Eckardstein A, Nordestgaard BG, Remaley AT, Catapano AL. High-density lipoprotein revisited: biological functions and clinical relevance. Eur Heart J 2022; 44:1394-1407. [PMID: 36337032 PMCID: PMC10119031 DOI: 10.1093/eurheartj/ehac605] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/16/2022] [Accepted: 10/10/2022] [Indexed: 11/09/2022] Open
Abstract
Abstract
Previous interest in high-density lipoproteins (HDLs) focused on their possible protective role in atherosclerotic cardiovascular disease (ASCVD). Evidence from genetic studies and randomized trials, however, questioned that the inverse association of HDL-cholesterol (HDL-C) is causal. This review aims to provide an update on the role of HDL in health and disease, also beyond ASCVD. Through evolution from invertebrates, HDLs are the principal lipoproteins, while apolipoprotein B-containing lipoproteins first developed in vertebrates. HDLs transport cholesterol and other lipids between different cells like a reusable ferry, but serve many other functions including communication with cells and the inactivation of biohazards like bacterial lipopolysaccharides. These functions are exerted by entire HDL particles or distinct proteins or lipids carried by HDL rather than by its cholesterol cargo measured as HDL-C. Neither does HDL-C measurement reflect the efficiency of reverse cholesterol transport. Recent studies indicate that functional measures of HDL, notably cholesterol efflux capacity, numbers of HDL particles, or distinct HDL proteins are better predictors of ASCVD events than HDL-C. Low HDL-C levels are related observationally, but also genetically, to increased risks of infectious diseases, death during sepsis, diabetes mellitus, and chronic kidney disease. Additional, but only observational, data indicate associations of low HDL-C with various autoimmune diseases, and cancers, as well as all-cause mortality. Conversely, extremely high HDL-C levels are associated with an increased risk of age-related macular degeneration (also genetically), infectious disease, and all-cause mortality. HDL encompasses dynamic multimolecular and multifunctional lipoproteins that likely emerged during evolution to serve several physiological roles and prevent or heal pathologies beyond ASCVD. For any clinical exploitation of HDL, the indirect marker HDL-C must be replaced by direct biomarkers reflecting the causal role of HDL in the respective disease.
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Affiliation(s)
- Arnold von Eckardstein
- Institute of Clinical Chemistry, University Hospital Zurich and University of Zurich , Zurich , Switzerland
| | - Børge G Nordestgaard
- Department of Clinical Biochemistry, Copenhagen University Hospital, Herlev and Gentofte Hospital , Herlev , Denmark
- The Copenhagen General Population Study, Copenhagen University Hospital, Herlev and Gentofte Hospital , Herlev , Denmark
- Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
| | - Alan T Remaley
- Lipoprotein Metabolism Section, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, MD , USA
| | - Alberico L Catapano
- Department of Pharmacological and Biomolecular Sciences, University of Milan , Milan , Italy
- IRCCS MultiMedica, Sesto S. Giovanni , Milan , Italy
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7
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Faguer S, Del Bello A, Danet C, Renaudineau Y, Izopet J, Kamar N. Apolipoprotein-A-I for severe COVID-19-induced hyperinflammatory states: A prospective case study. Front Pharmacol 2022; 13:936659. [PMID: 36225555 PMCID: PMC9550000 DOI: 10.3389/fphar.2022.936659] [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: 05/05/2022] [Accepted: 09/02/2022] [Indexed: 11/13/2022] Open
Abstract
Viral infections can promote cytokine storm and multiorgan failure in individuals with an underlying immunosuppression or specific genetic background. Hyperinflammatory states, including critical forms of COVID-19, are characterized by a remodeling of the lipid profile including a dramatic decrease of the serum levels of apolipoprotein-A-I (ApoA-I), a protein known for its capacity to reduce systemic and lung inflammation, modulate innate and adaptive immunity, and prevent endothelial dysfunction and blood coagulation. In this study, four immunocompromised patients with severe COVID-19 cytokine storm that progressed despite standard-of-care therapy [Omicron (n = 3) and Delta (n = 1) variants] received 2– 4 infusions (10 mg/kg) of CER-001, an ApoA-I-containing HDL mimetic. Injections were well-tolerated with no serious adverse events. Three patients treated while not on mechanical ventilation had early clinical and biological improvement (oxygen withdrawal and correction of hematological and inflammatory parameters, including serum levels of interleukin-8) and were discharged from the hospital 3–4 days after CER-001 infusions. In the fourth patient who received CER-001 after orotracheal intubation for acute respiratory distress syndrome, infusions were followed by transient respiratory improvement before secondary worsening related to ventilation-associated pneumonia. This pilot uncontrolled exploratory compassionate study provides initial safety and proof-of-concept data from patients with a COVID-19 cytokine storm receiving ApoA-I. Further randomized controlled trial evaluation is now required to ascertain whether ApoA-I has any beneficial effects on patients with a COVID-19 cytokine storm.
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Affiliation(s)
- Stanislas Faguer
- Referral Center for Rare Kidney Diseases, Department of Nephrology and Organ Transplantation, University Hospital of Toulouse, Toulouse, France
- Faculty of Medicine, University Paul Sabatier—Toulouse 3, Toulouse, France
- French National Institute of Health and Medical Research, U1297 (Institute of Metabolic and Cardiovascular Diseases), Toulouse, France
- *Correspondence: Stanislas Faguer,
| | - Arnaud Del Bello
- Referral Center for Rare Kidney Diseases, Department of Nephrology and Organ Transplantation, University Hospital of Toulouse, Toulouse, France
| | - Chloé Danet
- Department of Clinical Pharmacy, University Hospital of Toulouse, Toulouse, France
| | - Yves Renaudineau
- Faculty of Medicine, University Paul Sabatier—Toulouse 3, Toulouse, France
- French National Institute of Health and Medical Research, U1291 (INFINITY), Toulouse, France
- Laboratory of Immunology, University Hospital of Toulouse, Toulouse, France
| | - Jacques Izopet
- Faculty of Medicine, University Paul Sabatier—Toulouse 3, Toulouse, France
- French National Institute of Health and Medical Research, U1291 (INFINITY), Toulouse, France
- Laboratory of Virology, University Hospital of Toulouse, Toulouse, France
| | - Nassim Kamar
- Referral Center for Rare Kidney Diseases, Department of Nephrology and Organ Transplantation, University Hospital of Toulouse, Toulouse, France
- Faculty of Medicine, University Paul Sabatier—Toulouse 3, Toulouse, France
- French National Institute of Health and Medical Research, U1291 (INFINITY), Toulouse, France
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8
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Fistrek Prlic M, Coric M, Calabresi L, Pavanello C, Mosca L, Cavallari U, Vukovic Brinar I, Karanovic S, Laganovic M, Jelakovic B. Two novel variants in the lecithin:cholesterol acyltransferase gene resulted in classic LCAT deficiency. ATHEROSCLEROSIS PLUS 2022; 49:28-31. [PMID: 36644204 PMCID: PMC9833264 DOI: 10.1016/j.athplu.2022.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 05/27/2022] [Accepted: 05/30/2022] [Indexed: 01/18/2023]
Abstract
Background and aims We report the first two cases of familial lecithin:cholesterol acyltransferase (LCAT) deficiency in Croatia with classical clinical and biochemical features. Patients and methods A 30-year-old man with nephrotic syndrome, corneal opacities, hepatosplenomegaly, anemia, low high-density lipoprotein (HDL)-cholesterol levels and arterial hypertension (blood pressure >200/100 mmHg) was admitted to our department. At admission, he had an elevated creatinine serum level (233 μmol/L), proteinuria of 12 g in 24-h urine (g/24 h), 3-7 erythrocytes in urine sediment and notable anemia (hemoglobin level 90 g/l). His HDL-cholesterol was significantly low (0.42 mmol/L). Besides chronic kidney disease (CKD), other secondary causes of hypertension were ruled out. The patient was previously diagnosed with membranous nephropathy and treated unsuccessfully with immunosuppressive agents (steroids, cyclosporine, cyclophosphamide). Re-evaluation of histopathological findings of kidney biopsy revealed massive deposition of lipid material in the glomerular basal membrane and in the mesangial region. His 4-year younger brother was also evaluated due to corneal opacities and new-onset arterial hypertension. Nephrotic range proteinuria with preserved global renal function was determined. He also had very low HDL-cholesterol levels. Results Kidney biopsies from both patients were consistent with LCAT deficiency. The disease was confirmed by measurement of LCAT enzyme activity, plasma cholesterol esterification rate, and genetic testing. Two novel missense variants in the LCAT gene (c.496G > A and c.1138T > C) were found. Conclusions To our knowledge, the presented cases are the first reported cases of genetic LCAT deficiency in Croatia. Given the clinical presentation, the complete lack of LCAT activity and cholesterol esterification rate, diagnosis of familial LCAT deficiency was made.
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Affiliation(s)
- Margareta Fistrek Prlic
- Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia,Corresponding author. Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, UHC Zagreb, Kispaticeva ulica 12, 10000, Zagreb, Croatia.
| | - Marijana Coric
- Department of Pathology, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia
| | - Laura Calabresi
- Center E. Grossi Paoletti, Department of Pharmacology, University of Milan, Via Balzaretti 9, 20133, Milan, Italy
| | - Chiara Pavanello
- Center E. Grossi Paoletti, Department of Pharmacology, University of Milan, Via Balzaretti 9, 20133, Milan, Italy
| | - Lorena Mosca
- Medical Genetics Unit, Department of Services, ASST Grande Ospedale Metropolitano Niguarda, Piazza Ospedale Maggiore 3, 20162, Milan, Italy
| | - Ugo Cavallari
- Medical Genetics Unit, Department of Services, ASST Grande Ospedale Metropolitano Niguarda, Piazza Ospedale Maggiore 3, 20162, Milan, Italy
| | - Ivana Vukovic Brinar
- Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia
| | - Sandra Karanovic
- Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia
| | - Mario Laganovic
- Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia,Department of Nephrology, University Hospital Merkur, University of Zagreb, School of Medicine, Zajceva 19, 10000, Zagreb, Croatia
| | - Bojan Jelakovic
- Department of Nephrology, Arterial Hypertension, Dialysis and Transplantation, University Hospital Center Zagreb, University of Zagreb, School of Medicine, Kispaticeva 12, 10000, Zagreb, Croatia
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9
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First Recombinant High-Density Lipoprotein Particles Administration in a Severe ICU COVID-19 Patient, a Multi-Omics Exploratory Investigation. Biomedicines 2022; 10:biomedicines10040754. [PMID: 35453504 PMCID: PMC9029957 DOI: 10.3390/biomedicines10040754] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/14/2022] [Accepted: 03/20/2022] [Indexed: 12/02/2022] Open
Abstract
High-density lipoproteins (HDLs) have multiple endothelioprotective properties. During SARS-CoV-2 infection, HDL-cholesterol (HDL-C) concentration is markedly reduced, and studies have described severe impairment of the functionality of HDL particles. Here, we report a multi-omic investigation of the first administration of recombinant HDL (rHDL) particles in a severe COVID-19 patient in an intensive care unit. Plasma ApoA1 increased and HDL-C decreased after each recombinant HDL injection, suggesting that these particles were functional in terms of reverse cholesterol transport. The proportion of large HDL particles also increased after injection of recombinant HDL. Shotgun proteomics performed on HDLs isolated by ultracentrifugation indicated that ApoA1 was more abundant after injections whereas most of the pro-inflammatory proteins identified were less abundant. Assessment of Serum amyloid A-1, inflammatory markers, and cytokines showed a significant decrease for most of them during recombinant HDL infusion. Our results suggest that recombinant HDL infusion is feasible and a potential therapeutic strategy to be explored in COVID-19 patients.
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10
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Sirtori CR, Corsini A, Ruscica M. The Role of High-Density Lipoprotein Cholesterol in 2022. Curr Atheroscler Rep 2022; 24:365-377. [PMID: 35274229 PMCID: PMC8913032 DOI: 10.1007/s11883-022-01012-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2022] [Indexed: 12/23/2022]
Abstract
PURPOSE OF THE REVIEW High-density lipoproteins (HDL) are responsible for the transport in plasma of a large fraction of circulating lipids, in part from tissue mobilization. The evaluation of HDL-associated cholesterol (HDL-C) has provided a standard method for assessing cardiovascular (CV) risk, as supported by many contributions on the mechanism of this arterial benefit. The present review article will attempt to investigate novel findings on the role and mechanism of HDL in CV risk determination. RECENT FINDINGS The most recent research has been aimed to the understanding of how a raised functional capacity of HDL, rather than elevated levels per se, may be responsible for the postulated CV protection. Markedly elevated HDL-C levels appear instead to be associated to a raised coronary risk, indicative of a U-shaped relationship. While HDL-C reduction is definitely related to a raised CV risk, HDL-C elevations may be linked to non-vascular diseases, such as age-related macular disease. The description of anti-inflammatory, anti-oxidative and anti-infectious properties has indicated potential newer areas for diagnostic and therapeutic approaches. In the last two decades inconclusive data have arisen from clinical trials attempting to increase HDL-C pharmacologically or by way of recombinant protein infusions (most frequently with the mutant A-I Milano); prevention of stent occlusion or heart failure treatment have shown instead significant promise. Targeted clinical studies are still ongoing.
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Affiliation(s)
- Cesare R Sirtori
- Department of Pharmacological and Biomolecular Sciences, Università Degli Studi Di Milano, Milan, Italy.
| | - Alberto Corsini
- Department of Pharmacological and Biomolecular Sciences, Università Degli Studi Di Milano, Milan, Italy
| | - Massimiliano Ruscica
- Department of Pharmacological and Biomolecular Sciences, Università Degli Studi Di Milano, Milan, Italy.
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11
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LCAT- targeted therapies: Progress, failures and future. Biomed Pharmacother 2022; 147:112677. [PMID: 35121343 DOI: 10.1016/j.biopha.2022.112677] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/21/2022] [Accepted: 01/26/2022] [Indexed: 11/22/2022] Open
Abstract
Lecithin: cholesterol acyltransferase (LCAT) is the only enzyme in plasma which is able to esterify cholesterol and boost cholesterol esterify with phospholipid-derived acyl chains. In order to better understand the progress of LCAT research, it is always inescapable that it is linked to high-density lipoprotein (HDL) metabolism and reverse cholesterol transport (RCT). Because LCAT plays a central role in HDL metabolism and RCT, many animal studies and clinical studies are currently aimed at improving plasma lipid metabolism by increasing LCAT activity in order to find better treatment options for familial LCAT deficiency (FLD), fish eye disease (FED), and cardiovascular disease. Recombinant human LCAT (rhLCAT) injections, cells and gene therapy, and small molecule activators have been carried out with promising results. Recently rhLCAT therapies have entered clinical phase II trials with good prospects. In this review, we discuss the diseases associated with LCAT and therapies that use LCAT as a target hoping to find out whether LCAT can be an effective therapeutic target for coronary heart disease and atherosclerosis. Also, probing the mechanism of action of LCAT may help better understand the heterogeneity of HDL and the action mechanism of dynamic lipoprotein particles.
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12
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Pavanello C, Turri M, Strazzella A, Tulissi P, Pizzolitto S, De Maglio G, Nappi R, Calabresi L, Boscutti G. The HDL mimetic CER-001 remodels plasma lipoproteins and reduces kidney lipid deposits in inherited lecithin:cholesterol acyltransferase deficiency. J Intern Med 2022; 291:364-370. [PMID: 34761839 PMCID: PMC9299003 DOI: 10.1111/joim.13404] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Kidney failure is the major cause of morbidity and mortality in familial lecithin:cholesterol acyltransferase deficiency (FLD), a rare inherited lipid disorder with no cure. Lipoprotein X (LpX), an abnormal lipoprotein, is primarily accountable for nephrotoxicity. METHODS CER-001 was tested in an FLD patient with dramatic kidney disease for 12 weeks. RESULTS Infusions of CER-001 normalized the lipoprotein profile, with a disappearance of the abnormal LpX in favour of normal-sized LDL. The worsening of kidney function was slowed by the treatment, and kidney biopsy showed a slight reduction of lipid deposits and a stabilization of the disease. In vitro experiments demonstrate that CER-001 progressively reverts lipid accumulation in podocytes by a dual effect: remodelling plasma lipoproteins and removing LpX-induced lipid deposit. CONCLUSION This study demonstrates that CER-001 may represent a therapeutic option in FLD patients. It also has the potential to be beneficial in other renal diseases characterized by kidney lipid deposits.
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Affiliation(s)
- Chiara Pavanello
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti, Università degli Studi di Milano, Milan, Italy
| | - Marta Turri
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti, Università degli Studi di Milano, Milan, Italy
| | - Arianna Strazzella
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti, Università degli Studi di Milano, Milan, Italy
| | - Patrizia Tulissi
- Unit of Nephrology, Dialysis and Renal Transplantation, S. Maria della Misericordia Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, Italy
| | - Stefano Pizzolitto
- Unit of Pathology, S. Maria della Misericordia Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, Italy
| | - Giovanna De Maglio
- Unit of Pathology, S. Maria della Misericordia Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, Italy
| | - Riccardo Nappi
- Unit of Nephrology, Dialysis and Renal Transplantation, S. Maria della Misericordia Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, Italy
| | - Laura Calabresi
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti, Università degli Studi di Milano, Milan, Italy
| | - Giuliano Boscutti
- Unit of Nephrology, Dialysis and Renal Transplantation, S. Maria della Misericordia Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), Udine, Italy
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13
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Goñi Ros N, González-Tarancón R, Sienes Bailo P, Salvador-Ruperez E, Puzo Bayod M, Puzo Foncillas J. A novel pathogenic variant in LCAT causing FLD. A case report. Acta Clin Belg 2021; 77:970-975. [PMID: 34789074 DOI: 10.1080/17843286.2021.2007598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Fish-eye disease (FED) is due to a partial deficiency in LCAT activity. Nevertheless, Familial lecithin-cholesterol acyltransferase deficiency (FLD), also called Norum disease, appears when the deficiency is complete. They are both rare genetic disorders inherited in an autosomal recessive manner. Clinical signs include decreased circulating HDL cholesterol and dense corneal opacity. Kidney injuries also affect patients suffering from FLD. The diagnosis of FLD is based on the presence of characteristic signs and symptoms and confirmed by genetic testing. CASE PRESENTATION We present a case of a 63-year-old man showing an altered lipid profile with low HDL cholesterol, chronic kidney disease (CKD) and corneal disorders. He was referred to genetic counseling in order to discard genetic LCAT deficiency due to decreased visual acuity caused by corneal opacity. A massive DNA sequencing was conducted using a multigene panel associated with lipid metabolism disturbances.Results and genetic findings: Two likely pathogenic variants in LCAT were identified and later confirmed by Sanger sequencing. Both (c.491 G > A and c.496 G > A) were missense variants that originated an amino acid substitution (164Arginine for Histidine and 166Alanine for Threonine, respectively) modifying the protein sequence and its 3D structure. CONCLUSIONS FLD and FED sharing common biochemical features, and the existence of other diseases with similar clinical profiles underline the need for a timely differential diagnosis aiming to address patients to preventive programs and future available therapies. This case, added to the reduced number of publications previously reported regarding FLD and FED, contributes to better understanding the genetic characteristics, clinical features, and diagnosis of these syndromes.
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Affiliation(s)
- Nuria Goñi Ros
- Department of Clinical Biochemistry and Clinical Genetics, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Ricardo González-Tarancón
- Department of Clinical Biochemistry and Clinical Genetics, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Paula Sienes Bailo
- Department of Clinical Biochemistry and Clinical Genetics, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Elvira Salvador-Ruperez
- Department of Clinical Biochemistry and Clinical Genetics, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Martín Puzo Bayod
- Department of Ophthalmology, Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - José Puzo Foncillas
- Miguel Servet Ophthalmology Research Group (GIMSO), Aragón Institute for Health Research (Iis-aragón), Zaragoza, Spain
- Department of Clinical Biochemistry, Hospital Universitario San Jorge, Huesca, Spain
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14
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High-Density Lipoproteins and the Kidney. Cells 2021; 10:cells10040764. [PMID: 33807271 PMCID: PMC8065870 DOI: 10.3390/cells10040764] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/28/2021] [Accepted: 03/30/2021] [Indexed: 02/07/2023] Open
Abstract
Dyslipidemia is a typical trait of patients with chronic kidney disease (CKD) and it is typically characterized by reduced high-density lipoprotein (HDL)-cholesterol(c) levels. The low HDL-c concentration is the only lipid alteration associated with the progression of renal disease in mild-to-moderate CKD patients. Plasma HDL levels are not only reduced but also characterized by alterations in composition and structure, which are responsible for the loss of atheroprotective functions, like the ability to promote cholesterol efflux from peripheral cells and antioxidant and anti-inflammatory proprieties. The interconnection between HDL and renal function is confirmed by the fact that genetic HDL defects can lead to kidney disease; in fact, mutations in apoA-I, apoE, apoL, and lecithin–cholesterol acyltransferase (LCAT) are associated with the development of renal damage. Genetic LCAT deficiency is the most emblematic case and represents a unique tool to evaluate the impact of alterations in the HDL system on the progression of renal disease. Lipid abnormalities detected in LCAT-deficient carriers mirror the ones observed in CKD patients, which indeed present an acquired LCAT deficiency. In this context, circulating LCAT levels predict CKD progression in individuals at early stages of renal dysfunction and in the general population. This review summarizes the main alterations of HDL in CKD, focusing on the latest update of acquired and genetic LCAT defects associated with the progression of renal disease.
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