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  1. Article ; Online: Suicide attempt in a dopamine agonist withdrawal syndrome in Parkinson's disease.

    Espindola, Melisa / Rojas, Natalia González / Vaisentein, Giselle / Da Prat, Gustavo / Cesarini, Martin / Etcheverry, Jose Luis / Gatto, Emilia M

    Parkinsonism & related disorders

    2024  Volume 121, Page(s) 106017

    Abstract: Dopamine agonist withdrawal syndrome (DAWS) results from the reduction or suspension of dopamine agonist medications; it encompasses mainly psychiatric symptoms, including suicidal behaviors. In patients with Parkinson's disease (PD), the impact of DAWS ... ...

    Abstract Dopamine agonist withdrawal syndrome (DAWS) results from the reduction or suspension of dopamine agonist medications; it encompasses mainly psychiatric symptoms, including suicidal behaviors. In patients with Parkinson's disease (PD), the impact of DAWS can be significant in terms of distress and disability; however, we must take this syndrome into account as a threatening condition because suicidal behaviors could be developing in the context of DAWS. Here we present a brief case of DAWS affecting a young man with PD, whom abruptly discontinued DA treatment and developed psychiatric symptoms within two weeks which led to a suicidal attempt.
    MeSH term(s) Male ; Humans ; Dopamine Agonists/adverse effects ; Parkinson Disease/complications ; Parkinson Disease/drug therapy ; Suicide, Attempted ; Dopamine Agents/therapeutic use ; Substance Withdrawal Syndrome/etiology ; Substance Withdrawal Syndrome/diagnosis ; Disruptive, Impulse Control, and Conduct Disorders/complications
    Chemical Substances Dopamine Agonists ; Dopamine Agents
    Language English
    Publishing date 2024-02-12
    Publishing country England
    Document type Letter
    ZDB-ID 1311489-x
    ISSN 1873-5126 ; 1353-8020
    ISSN (online) 1873-5126
    ISSN 1353-8020
    DOI 10.1016/j.parkreldis.2024.106017
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Reader response: Clinical manifestations of homozygote allele carriers in Huntington disease.

    Da Prat, Gustavo / Etcheverry, Jose Luis / Cesarini, Martin / Gatto, Emilia

    Neurology

    2020  Volume 94, Issue 16, Page(s) 723

    MeSH term(s) Alleles ; Case-Control Studies ; Heterozygote ; Homozygote ; Humans ; Huntington Disease/genetics
    Language English
    Publishing date 2020-04-20
    Publishing country United States
    Document type Journal Article ; Comment
    ZDB-ID 207147-2
    ISSN 1526-632X ; 0028-3878
    ISSN (online) 1526-632X
    ISSN 0028-3878
    DOI 10.1212/WNL.0000000000009307
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Huntington disease: Advances in the understanding of its mechanisms.

    Gatto, Emilia M / Rojas, Natalia González / Persi, Gabriel / Etcheverry, José Luis / Cesarini, Martín Emiliano / Perandones, Claudia

    Clinical parkinsonism & related disorders

    2020  Volume 3, Page(s) 100056

    Abstract: Huntington disease (HD) is a devastating monogenic autosomal dominant disorder. HD is caused by a CAG expansion in exon 1 of the gene coding for huntingtin, placed in the short arm of chromosome 4. Despite its well-defined genetic origin, the molecular ... ...

    Abstract Huntington disease (HD) is a devastating monogenic autosomal dominant disorder. HD is caused by a CAG expansion in exon 1 of the gene coding for huntingtin, placed in the short arm of chromosome 4. Despite its well-defined genetic origin, the molecular and cellular mechanisms underlying the disease are unclear and complex. Here, we review some of the currently known functions of the wild-type huntingtin protein and discuss the deleterious effects that arise from the expansion of the CAG repeats, which are translated into an abnormally long polyglutamine tract. Also, we present a modern view on the molecular biology of HD as a representative of the group of polyglutamine diseases, with an emphasis on conformational changes of mutant huntingtin, disturbances in its cellular processing, and proteolytic stress in degenerating neurons. The main pathogenetic mechanisms of neurodegeneration in HD are discussed in detail, such as autophagy, impaired mitochondrial biogenesis, lysosomal dysfunction, organelle and protein transport, inflammation, oxidative stress, and transcription factor modulation. However, other unraveling mechanisms are still unknown. This practical and brief review summarizes some of the currently known functions of the wild-type huntingtin protein and the recent findings related to the mechanisms involved in HD pathogenesis.
    Language English
    Publishing date 2020-05-06
    Publishing country England
    Document type Journal Article ; Review
    ISSN 2590-1125
    ISSN (online) 2590-1125
    DOI 10.1016/j.prdoa.2020.100056
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Parkinsonisms and Glucocerebrosidase Deficiency: A Comprehensive Review for Molecular and Cellular Mechanism of Glucocerebrosidase Deficiency.

    Gatto, Emilia M / Da Prat, Gustavo / Etcheverry, Jose Luis / Drelichman, Guillermo / Cesarini, Martin

    Brain sciences

    2019  Volume 9, Issue 2

    Abstract: In the last years, lysosomal storage diseases appear as a bridge of knowledge between rare genetic inborn metabolic disorders and neurodegenerative diseases such as Parkinson's disease (PD) or frontotemporal dementia. Epidemiological studies helped ... ...

    Abstract In the last years, lysosomal storage diseases appear as a bridge of knowledge between rare genetic inborn metabolic disorders and neurodegenerative diseases such as Parkinson's disease (PD) or frontotemporal dementia. Epidemiological studies helped promote research in the field that continues to improve our understanding of the link between mutations in the glucocerebrosidase (GBA) gene and PD. We conducted a review of this link, highlighting the association in GBA mutation carriers and in Gaucher disease type 1 patients (GD type 1). A comprehensive review of the literature from January 2008 to December 2018 was undertaken. Relevance findings include: (1) There is a bidirectional interaction between GBA and α- synuclein in protein homeostasis regulatory pathways involving the clearance of aggregated proteins. (2) The link between GBA deficiency and PD appears not to be restricted to α⁻synuclein aggregates but also involves Parkin and PINK1 mutations. (3) Other factors help explain this association, including early and later endosomes and the lysosomal-associated membrane protein 2A (LAMP-2A) involved in the chaperone-mediated autophagy (CMA). (4) The best knowledge allows researchers to explore new therapeutic pathways alongside substrate reduction or enzyme replacement therapies.
    Language English
    Publishing date 2019-02-01
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2651993-8
    ISSN 2076-3425
    ISSN 2076-3425
    DOI 10.3390/brainsci9020030
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Neurodegenerative diseases and cancer: sharing common mechanisms in complex interactions.

    Rojas, Natalia González / Cesarini, Martin / Etcheverry, José Luis / Prat, Gustavo Andrés Da / Arciuch, Valeria Antico / Gatto, Emilia Mabel

    Journal of integrative neuroscience

    2020  Volume 19, Issue 1, Page(s) 187–199

    Abstract: Several epidemiological studies support low cancer rates in patients with neurodegenerative disorders, including Parkinson's disease, Huntington's disease, and Alzheimer's disease. Different mechanisms were raised as possible causes, from mutated tumor ... ...

    Abstract Several epidemiological studies support low cancer rates in patients with neurodegenerative disorders, including Parkinson's disease, Huntington's disease, and Alzheimer's disease. Different mechanisms were raised as possible causes, from mutated tumor suppressor genes (PARKIN, PINK1) to small interfering RNA based on the CAG trinucleotide repeat expansions located in introns or untranslated regions. However, as every rule has an exception, some tumors have an increased incidence in these neurodegenerative diseases such as breast and skin cancer (melanoma). This mini-review aims to establish the epidemiology between these neurodegenerative disorders and cancer to determine the possible mechanisms involved and therefore set eventual therapeutic applications. According to our findings, we conclude the presence of an inverse relationship among most cancers and the aforementioned neurodegenerative disorders. However, this concept needs to be considered cautiously considering specific genetic and extra-genetic linkage factors for particular tumors.
    MeSH term(s) Animals ; Humans ; Neoplasms/complications ; Neoplasms/epidemiology ; Neoplasms/metabolism ; Neurodegenerative Diseases/complications ; Neurodegenerative Diseases/epidemiology ; Neurodegenerative Diseases/metabolism ; Signal Transduction
    Language English
    Publishing date 2020-04-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2136427-8
    ISSN 0219-6352
    ISSN 0219-6352
    DOI 10.31083/j.jin.2020.01.3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: A Treatable Rare Cause of Progressive Ataxia and Palatal Tremor.

    Rossi, Malco / Cesarini, Martin / Gatto, Emilia M / Cammarota, Angel / Merello, Marcelo

    Tremor and other hyperkinetic movements (New York, N.Y.)

    2018  Volume 8, Page(s) 538

    Abstract: Background: Cerebrotendinous xanthomatosis is a rare autosomal recessive neurometabolic disorder characterized by chronic diarrhea, tendon xanthomas, juvenile cataracts, and neurological symptoms.: Case report: An adult patient with cerebrotendinous ... ...

    Abstract Background: Cerebrotendinous xanthomatosis is a rare autosomal recessive neurometabolic disorder characterized by chronic diarrhea, tendon xanthomas, juvenile cataracts, and neurological symptoms.
    Case report: An adult patient with cerebrotendinous xanthomatosis exhibited ataxia and palatal tremor in the absence of tendon xanthomas and cataracts.
    Discussion: The importance of this case resides on the fact that cerebrotendinous xanthomatosis should be considered as a possible etiology of the syndrome of progressive ataxia with palatal tremor, even in the absence of tendon xanthomas and cataracts. Early diagnosis is critical to the institution of specific treatment with chenodeoxycholic acid.
    MeSH term(s) Adult ; Ataxia/diagnosis ; Ataxia/drug therapy ; Ataxia/etiology ; Diagnosis, Differential ; Female ; Humans ; Tremor/diagnosis ; Tremor/drug therapy ; Tremor/etiology ; Xanthomatosis, Cerebrotendinous/complications ; Xanthomatosis, Cerebrotendinous/diagnosis ; Xanthomatosis, Cerebrotendinous/drug therapy
    Language English
    Publishing date 2018-05-17
    Publishing country England
    Document type Case Reports ; Journal Article ; Video-Audio Media
    ZDB-ID 2674453-3
    ISSN 2160-8288 ; 2160-8288
    ISSN (online) 2160-8288
    ISSN 2160-8288
    DOI 10.7916/D8X07Q2N
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Skin Allergy Associated to Different Formulations of Levodopa.

    Da Prat, Gustavo / Cesarini, Martin / Etcheverry, Jose Luis / Rojas, Natalia González / Gatto, Emilia M

    Movement disorders clinical practice

    2018  Volume 5, Issue 6, Page(s) 657–658

    Language English
    Publishing date 2018-11-01
    Publishing country United States
    Document type Journal Article
    ISSN 2330-1619
    ISSN (online) 2330-1619
    DOI 10.1002/mdc3.12669
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Late Onset Huntington Disease: Phenotypic and Genotypic Characteristics of 10 Cases in Argentina.

    Rojas, Natalia González / Ziliani, Javier Enrique / Cesarini, Martin Emilano / Etcheverry, José Luis / Da Prat, Gustavo Andrés / McCusker, Elizabeth / Gatto, Emilia Mabel

    Journal of Huntington's disease

    2019  Volume 8, Issue 2, Page(s) 195–198

    Abstract: Background: Huntington's disease (HD) is a neurodegenerative disorder that includes motor, psychiatric and cognitive manifestations with typical onset of symptoms is in the forties. A percentage of patients (4.4% - 11.5%) may be exceptions to this and ... ...

    Abstract Background: Huntington's disease (HD) is a neurodegenerative disorder that includes motor, psychiatric and cognitive manifestations with typical onset of symptoms is in the forties. A percentage of patients (4.4% - 11.5%) may be exceptions to this and manifest symptoms later (>60 years old). Diagnosis of Late onset HD (LoHD) can be a challenge, due to the low suspicion of the disease at this age.
    Objective: To review the genotype and phenotype of LoHD in an Argentinian cohort.
    Methods: We reviewed the medical records and genetic testing of a total of 95 individuals with clinical and molecular diagnosis of Huntington's disease, based on 2 institution's registry.
    Results: Among our HD cohort, 10 patients (10.52%) had LoHD, with variable results regarding family history. The average of repetitions of the expanded allele was 40 (range 38-44). All cases had mild motor symptoms at onset.
    Conclusions: Late onset HD can be a diagnostic challenge, due to its slow progression, unawareness of manifestations among patients and in many cases, mild symptomatology that does not warrant medical attention.
    MeSH term(s) Aged ; Aged, 80 and over ; Argentina ; Female ; Genotype ; Humans ; Huntington Disease/complications ; Huntington Disease/genetics ; Huntington Disease/physiopathology ; Male ; Middle Aged ; Phenotype
    Language English
    Publishing date 2019-01-30
    Publishing country Netherlands
    Document type Journal Article
    ISSN 1879-6400
    ISSN (online) 1879-6400
    DOI 10.3233/JHD-180330
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Worldwide barriers to genetic testing for movement disorders.

    Gatto, Emilia M / Walker, Ruth H / Gonzalez, Claudio / Cesarini, Martin / Cossu, Giovanni / Stephen, Christopher D / Balint, Bettina / Rodríguez-Violante, Mayela / Jankovic, Joseph / Morgante, Francesca / Jinnah, Hyder A

    European journal of neurology

    2021  Volume 28, Issue 6, Page(s) 1901–1909

    Abstract: Background and purpose: Despite enormous advances in identifying genetic variants responsible for many neurological diseases, access to genetic testing may be limited in clinical practice. The objective of this study was to assess worldwide access to ... ...

    Abstract Background and purpose: Despite enormous advances in identifying genetic variants responsible for many neurological diseases, access to genetic testing may be limited in clinical practice. The objective of this study was to assess worldwide access to genetic tests for movement disorders and factors impacting their utilization.
    Methods: The Rare Movement Disorders Study Group of the International Parkinson and Movement Disorder Society designed an online survey electronically mailed to all 7815 members.
    Results: Survey data completed by 1269 participants from 109 countries were analysed. Limited access to geneticists and genetic counsellors was reported in many world regions compared to Europe and North America. Availability of genetic testing was limited, with rates of access lower than 50%. Genetic testing for chorea was the most commonly available. For parkinsonism, dystonia, ataxia, hereditary spastic paraplegias and metabolic disorders, there was limited access to genetic testing in all countries compared to Europe and North America, with significant differences found for Africa, Central/South America, Asia. In many regions, genetic testing was supported by either private or public funding. Genetic testing was free of charge in Europe according to 63.5% of respondents. In North America, Africa, Central/South America, Asia and the Middle East access to free of charge genetic testing was by far significantly lower compared to Europe.
    Conclusions: This survey highlights difficulties in accessing genetic testing and individuals with expertise in genetics at the worldwide level. In addition, major disparities in genetic testing amongst world regions are highlighted, probably due to a variety of factors including financial barriers.
    MeSH term(s) Asia ; Europe ; Genetic Testing ; Humans ; Middle East ; Movement Disorders/genetics
    Language English
    Publishing date 2021-04-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 1280785-0
    ISSN 1468-1331 ; 1351-5101 ; 1471-0552
    ISSN (online) 1468-1331
    ISSN 1351-5101 ; 1471-0552
    DOI 10.1111/ene.14826
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  10. Article ; Online: Prodromal Clinical Markers of Parkinson disease in Gaucher Disease Individuals.

    Gatto, Emilia M / Etcheverry, Jose Luis / Sanguinetti, Ana / Cesarini, Martin / Fernandez Escobar, Nicolas / Drelichman, Guillermo

    European neurology

    2016  Volume 76, Issue 1-2, Page(s) 19–21

    Abstract: Heterozygous mutations in the glucocerebrosidase (GBA) gene have been reported as a common risk factor for the development of Parkinson's disease (PD) in Gaucher disease (GD) patients and in heterozygous GBA mutation positive carriers. In this study, we ... ...

    Abstract Heterozygous mutations in the glucocerebrosidase (GBA) gene have been reported as a common risk factor for the development of Parkinson's disease (PD) in Gaucher disease (GD) patients and in heterozygous GBA mutation positive carriers. In this study, we analyzed the occurrence of prodromal markers of PD in an Argentinean cohort with type 1 GD. After signed informed consent, we evaluated 26 patients with type 1 GD under enzymatic replacement therapy from a cohort of the Hospital Ricardo Gutierrez GD Study Group in Buenos Aires City, Argentina. We performed an extensive neurological examination, including cognitive assessment by Montreal Cognitive Assessment (MoCA) and a questionnaire performed ad hoc, to identify non-motor PD symptoms. Parasomnias were reported by 7 patients (26.92%), rapid eye movement behavior disorders in 2 (7.69%), constipation in 2 (7.69%), hyposmia in 1 (3.84%), tremor in 1 (3.84%), and depression in 3 cases (11.53%). MoCA assessment was abnormal in 44.44% of patients. No patient fulfilled PD diagnostic criteria (Queen Square Brain Bank criteria). The identification of prodromal markers of PD in type 1 GD suggests that this population represents a very interesting cohort for identifying potential biomarkers and neuroprotective therapies for PD.
    MeSH term(s) Adolescent ; Adult ; Biomarkers ; Child ; Enzyme Replacement Therapy ; Female ; Gaucher Disease/complications ; Gaucher Disease/drug therapy ; Gaucher Disease/genetics ; Glucosylceramidase/genetics ; Heterozygote ; Humans ; Male ; Middle Aged ; Mutation ; Parkinson Disease/complications ; Parkinson Disease/diagnosis ; Parkinson Disease/genetics ; Risk Factors ; Young Adult
    Chemical Substances Biomarkers ; Glucosylceramidase (EC 3.2.1.45)
    Language English
    Publishing date 2016
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 209426-5
    ISSN 1421-9913 ; 0014-3022
    ISSN (online) 1421-9913
    ISSN 0014-3022
    DOI 10.1159/000447510
    Database MEDical Literature Analysis and Retrieval System OnLINE

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