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Salemi M, Lanza G, Salluzzo MG, Schillaci FA, Di Blasi FD, Cordella A, Caniglia S, Lanuzza B, Morreale M, Marano P, Tripodi M, Ferri R. A Next-Generation Sequencing Study in a Cohort of Sicilian Patients with Parkinson's Disease. Biomedicines 2023; 11:3118. [PMID: 38137339 PMCID: PMC10740523 DOI: 10.3390/biomedicines11123118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/24/2023] Open
Abstract
Parkinson's disease (PD) is a multisystem and multifactorial disorder and, therefore, the application of modern genetic techniques may assist in unraveling its complex pathophysiology. We conducted a clinical-demographic evaluation of 126 patients with PD, all of whom were Caucasian and of Sicilian ancestry. DNA was extracted from the peripheral blood for each patient, followed by sequencing using a Next-Generation Sequencing system. This system was based on a custom gene panel comprising 162 genes. The sample underwent further filtering, taking into account the allele frequencies of genetic variants, their presence in the Human Gene Mutation Database, and their association in the literature with PD or other movement/neurodegenerative disorders. The largest number of variants was identified in the leucine-rich repeat kinase 2 (LRRK2) gene. However, variants in other genes, such as acid beta-glucosidase (GBA), DNA polymerase gamma catalytic subunit (POLG), and parkin RBR E3 ubiquitin protein ligase (PRKN), were also discovered. Interestingly, some of these variants had not been previously associated with PD. Enhancing our understanding of the genetic basis of PD and identifying new variants possibly linked to the disease will contribute to improved diagnostic accuracy, therapeutic developments, and prognostic insights for affected individuals.
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Affiliation(s)
- Michele Salemi
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Giuseppe Lanza
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
- Department of Surgery and Medical-Surgical Specialties, University of Catania, 95123 Catania, CT, Italy
| | - Maria Grazia Salluzzo
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Francesca A. Schillaci
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Francesco Domenico Di Blasi
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Angela Cordella
- Genomix4Life Srl, 84081 Baronissi, SA, Italy;
- Genome Research Center for Health—CRGS, 84081 Baronissi, SA, Italy
| | - Salvatore Caniglia
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Bartolo Lanuzza
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Manuela Morreale
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Pietro Marano
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Mariangela Tripodi
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
| | - Raffaele Ferri
- Oasi Research Institute—IRCCS, 94018 Troina, EN, Italy; (M.S.); (M.G.S.); (F.A.S.); (F.D.D.B.); (S.C.); (B.L.); (M.M.); (P.M.); (M.T.); (R.F.)
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Turski P, Chaberska I, Szukało P, Pyska P, Milanowski Ł, Szlufik S, Figura M, Hoffman-Zacharska D, Siuda J, Koziorowski D. Review of the epidemiology and variability of LRRK2 non-p.Gly2019Ser pathogenic mutations in Parkinson’s disease. Front Neurosci 2022; 16:971270. [PMID: 36203807 PMCID: PMC9530194 DOI: 10.3389/fnins.2022.971270] [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: 06/16/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson’s disease (PD) is a heterogenous neurodegenerative disorder. Genetic factors play a significant role, especially in early onset and familial cases. Mutations are usually found in the LRRK2 gene, but their importance varies. Some mutations, such as p.Arg1441Cys or other alterations in the 1441 codon, show clear correlation with PD, whereas others are risk factors found also in healthy populations or have neglectable consequences. They also exhibit various prevalence among different populations. The aim of this paper is to sum up the current knowledge regarding the epidemiology and pathogenicity of LRRK2 mutations, other than the well-established p.Gly2019Ser. We performed a review of the literature using PubMed database. 103 publications met our inclusion criteria. p.Arg1441Cys, p.Arg1441Gly, p.Arg1441His, p.Arg1441Ser are the most common pathogenic mutations in European populations, especially Hispanic. p.Asn1437His is pathogenic and occurs mostly in the Scandinavians. p.Asn1437Ser and p.Asn1437Asp have been reported in German and Chinese cohorts respectively. p.Ile2020Thr is a rare pathogenic mutation described only in a Japanese cohort. p.Met1869Thr has only been reported in Caucasians. p.Tyr1699Cys, p.Ile1122Val have only been found in one family each. p.Glu1874Ter has been described in just one patient. We found no references concerning mutation p.Gln416Ter. We also report the first case of a Polish PD family whose members carried p.Asn1437His.
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Affiliation(s)
- Paweł Turski
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Iwona Chaberska
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Piotr Szukało
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Paulina Pyska
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Łukasz Milanowski
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Stanisław Szlufik
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Monika Figura
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | | | - Joanna Siuda
- Department of Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Dariusz Koziorowski
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
- *Correspondence: Dariusz Koziorowski,
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Abstract
Leucine-rich repeat kinase 2 (LRRK2) is a large multidomain protein with both a Ras of complex (ROC) domain and a kinase domain (KD) and, therefore, exhibits both GTPase and kinase activities. Human genetics studies have linked LRRK2 as a major genetic contributor to familial and sporadic Parkinson's disease (PD), a neurodegenerative movement disorder that inflicts millions worldwide. The C-terminal region of LRRK2 is a Trp-Asp-40 (WD40) domain with poorly defined biological functions but has been implicated in microtubule interaction. Here, we present the crystal structure of the WD40 domain of human LRRK2 at 2.6-Å resolution, which reveals a seven-bladed WD40 fold. The structure displays a dimeric assembly in the crystal, which we further confirm by measurements in solution. We find that structure-based and PD-associated disease mutations in the WD40 domain including the common G2385R polymorphism mainly compromise dimer formation. Assessment of full-length LRRK2 kinase activity by measuring phosphorylation of Rab10, a member of the family of Rab GTPases known to be important kinase substrates of LRRK2, shows enhancement of kinase activity by several dimerization-defective mutants including G2385R, although dimerization impairment does not always result in kinase activation. Furthermore, mapping of phylogenetically conserved residues onto the WD40 domain structure reveals surface patches that may be important for additional functions of LRRK2. Collectively, our analyses provide insights for understanding the structures and functions of LRRK2 and suggest the potential utility of LRRK2 kinase inhibitors in treating PD patients with WD40 domain mutations.
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Jaberi E, Rohani M, Shahidi GA, Nafissi S, Arefian E, Soleimani M, Moghadam A, Arzenani MK, Keramatian F, Klotzle B, Fan JB, Turk C, Steemers F, Elahi E. Mutation inADORA1identified as likely cause of early-onset parkinsonism and cognitive dysfunction. Mov Disord 2016; 31:1004-11. [DOI: 10.1002/mds.26627] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 02/10/2016] [Accepted: 02/28/2016] [Indexed: 11/09/2022] Open
Affiliation(s)
- Elham Jaberi
- School of Biology, College of Science, University of Tehran; Tehran Iran
| | - Mohammad Rohani
- Department of Neurology; Hazrat Rasool Hospital, Iran University of Medical Sciences; Tehran Iran
| | - Gholam Ali Shahidi
- Department of Neurology; Hazrat Rasool Hospital, Iran University of Medical Sciences; Tehran Iran
| | - Shahriar Nafissi
- Department of Neurology; Tehran University of Medical Sciences; Tehran Iran
| | - Ehsan Arefian
- School of Biology, College of Science, University of Tehran; Tehran Iran
| | - Masoud Soleimani
- School of Medical Sciences; Tarbiat Modares University; Tehran Iran
| | - Abolfazl Moghadam
- School of Biology, College of Science, University of Tehran; Tehran Iran
| | | | - Farid Keramatian
- Department of Biotechnology; College of Science, University of Tehran; Tehran Iran
| | | | | | | | | | - Elahe Elahi
- School of Biology, College of Science, University of Tehran; Tehran Iran
- Department of Biotechnology; College of Science, University of Tehran; Tehran Iran
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Malakouti-Nejad M, Shahidi GA, Rohani M, Shojaee SM, Hashemi M, Klotzle B, Fan JB, Elahi E. Identification of p.Gln858* in ATP13A2 in two EOPD patients and presentation of their clinical features. Neurosci Lett 2014; 577:106-11. [PMID: 24949580 DOI: 10.1016/j.neulet.2014.06.023] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 05/31/2014] [Accepted: 06/07/2014] [Indexed: 11/17/2022]
Abstract
We present results of homozygosity mapping in two siblings affected with early onset Parkinson's disease (EOPD) and mutation screening of ATP13A2 in these and other Iranian EOPD patients. Genome-wide SNP homozygosity analysis revealed linkage to a locus that included ATP13A2, and sequencing of the gene revealed a novel p.Gln858*-causing mutation in the homozygous state in the siblings. Sequencing of the gene in seven other unrelated EOPD patients previously shown not to have mutations in PRKN, DJ-1, PINK1, and LRRK2 identified the same homozygous p. Gln858*-causing mutation in another patient. Haplotype analysis revealed that two alleles harboring the mutation were not identical by decent. The variation identified represents the 13th known disease causing mutation in ATP13A2. The clinical features of the patients who harbored the mutation are compared to those of previously reported patients with mutations in ATP13A2. Bradykinesia and rigidity, but not tremor, were reported in nearly all the patients. l-dopa administration, though initially effective, usually caused dyskinesia upon prolonged usage. Eye movement abnormalities including saccades and supranuclear gaze palsy, were almost always observed. Dystonia and bulbar anomalies were common but more variable manifestations. Although a degree of cognitive decline was found in most of the patients, the decline was often mild and absent in one patient. Age at onset of symptoms was usually in the second decade of life, and sometimes in the third decade.
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Affiliation(s)
- Maryam Malakouti-Nejad
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran; Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Gholam-Ali Shahidi
- Department of Neurology, HazratRasool Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Rohani
- Department of Neurology, HazratRasool Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Mehdi Shojaee
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Mehrdad Hashemi
- Department of Genetics, Islamic Azad University, Tehran Medical Sciences Branch, Tehran, Iran
| | | | | | - Elahe Elahi
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran; School of Biology, College of Science, University of Tehran, Tehran, Iran.
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Ghazavi F, Fazlali Z, Banihosseini SS, Hosseini SR, Kazemi MH, Shojaee S, Parsa K, Sadeghi H, Sina F, Rohani M, Shahidi GA, Ghaemi N, Ronaghi M, Elahi E. PRKN, DJ-1, and PINK1 screening identifies novel splice site mutation in PRKN and two novel DJ-1 mutations. Mov Disord 2010; 26:80-9. [DOI: 10.1002/mds.23417] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 06/27/2010] [Accepted: 08/02/2010] [Indexed: 01/17/2023] Open
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