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  1. Article ; Online: Craniofacial anomalies in schizophrenia-relevant GFAP.HMOX1

    Tavitian, Ayda / Somech, Joseph / Chamlian, Badrouyk / Liberman, Adrienne / Galindez, Carmela / Schipper, Hyman M

    Anatomical record (Hoboken, N.J. : 2007)

    2024  

    Abstract: Subtle craniofacial dysmorphology has been reported in schizophrenia patients. This dysmorphology includes midline facial elongation, frontonasal anomalies and a sexually dimorphic deviation from normal directional asymmetry of the face, with male ... ...

    Abstract Subtle craniofacial dysmorphology has been reported in schizophrenia patients. This dysmorphology includes midline facial elongation, frontonasal anomalies and a sexually dimorphic deviation from normal directional asymmetry of the face, with male patients showing reduced and female patients showing enhanced facial asymmetry relative to healthy control subjects. GFAP.HMOX1
    Language English
    Publishing date 2024-04-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2269667-2
    ISSN 1932-8494 ; 1932-8486
    ISSN (online) 1932-8494
    ISSN 1932-8486
    DOI 10.1002/ar.25449
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The Impact of Gonadal Hormones on the Expression of Human Neurological Disorders.

    Schipper, Hyman M

    Neuroendocrinology

    2016  Volume 103, Issue 5, Page(s) 417–431

    Abstract: The effects of gonadal steroids on neurological well-being and disease constitute a rich and rapidly expanding area of basic and clinical neuroscience. Gonadal hormones exert potent effects on monoaminergic, cholinergic and peptidergic pathways as well ... ...

    Abstract The effects of gonadal steroids on neurological well-being and disease constitute a rich and rapidly expanding area of basic and clinical neuroscience. Gonadal hormones exert potent effects on monoaminergic, cholinergic and peptidergic pathways as well as neurosteroidogenesis which, in turn, impact normal brain organization and function. A spectrum of human neurological conditions are influenced by hormonal fluctuations associated with the menstrual cycle, pregnancy, the menopause and use of oral contraceptives. An appreciation of these relationships may facilitate the development of specific hormonal and anti-hormonal therapies for neurological disorders as disparate as catamenial epilepsy and acute intermittent porphyria.
    MeSH term(s) Animals ; Female ; Gonadal Hormones/metabolism ; Gonadal Hormones/therapeutic use ; Humans ; Male ; Nervous System Diseases/epidemiology ; Nervous System Diseases/metabolism ; Nervous System Diseases/therapy ; Pregnancy
    Chemical Substances Gonadal Hormones
    Language English
    Publishing date 2016
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 123303-8
    ISSN 1423-0194 ; 0028-3835
    ISSN (online) 1423-0194
    ISSN 0028-3835
    DOI 10.1159/000440620
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Is glial heme oxygenase-1 suppression in neurodegenerative disorders permissive for neural repair?

    Schipper, Hyman M

    Neural regeneration research

    2015  Volume 10, Issue 2, Page(s) 208–210

    Language English
    Publishing date 2015-04-01
    Publishing country India
    Document type Journal Article
    ZDB-ID 2388460-5
    ISSN 1876-7958 ; 1673-5374
    ISSN (online) 1876-7958
    ISSN 1673-5374
    DOI 10.4103/1673-5374.152371
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Development and internal validation of a prognostic model for loss of balance and falls in mid- to late-stage Parkinson's disease.

    Juwara, Lamin / Cressatti, Marisa / Galindez, Julia M / Drammeh, Pa Sallah / Velly, Ana M / Schipper, Hyman M

    Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

    2023  Volume 45, Issue 5, Page(s) 2027–2033

    Abstract: Background: Mid- to late-stage Parkinson's disease (PD) is often linked with worsened and significant impairment of motor activities, but existing prognostic markers do not adequately capture the risk of loss of balance in PD patients. This study aims ... ...

    Abstract Background: Mid- to late-stage Parkinson's disease (PD) is often linked with worsened and significant impairment of motor activities, but existing prognostic markers do not adequately capture the risk of loss of balance in PD patients. This study aims to develop a risk prognostic model for mid- to late-stage PD and identify prognostic factors that are indicative of impending loss of balance and falls.
    Methods: The study included 307 participants of which 75 were diagnosed with idiopathic PD and 232 were neurological or non-neurological controls. Among the PD group, 46 were early-stage (Hoehn and Yahr [H&Y] = 1,2) with no significant loss of balance while 29 were mid- to late-stage (H&Y = 3,4,5) which is characterized by loss of balance and falls. Multivariable logistic regression (MLR) was used to develop a prognostic model for mid- to late-stage PD. Model discrimination was assessed by ROC curves. The model was internally validated through bootstrapping and calibration plots.
    Results: The relevant factors identified and included in the final MLR model were shortness of breath, age, swollen joints, heme oxygenase-1 (HO-1) protein, and total salivary protein. The model had an AUC of 0.82 (95% CI = 0.71-0.92) and was well calibrated (calibration slope = 0.77, intercept = 0.03). The likelihood of shortness of breath (OR = 7.91, 95% CI = 1.63-45.12) was significantly higher among mid- to late-stage PD than early-stage. Age and total salivary protein were also significantly higher among mid- to late-stage PD.
    Conclusion: The MLR prognostic model for mid- to late-stage PD may assist physicians in identifying patients at high risk for loss of balance and falls.
    MeSH term(s) Humans ; Parkinson Disease/complications ; Parkinson Disease/diagnosis ; Prognosis ; Postural Balance/physiology ; Dyspnea ; Salivary Proteins and Peptides
    Chemical Substances Salivary Proteins and Peptides
    Language English
    Publishing date 2023-12-07
    Publishing country Italy
    Document type Journal Article
    ZDB-ID 2016546-8
    ISSN 1590-3478 ; 1590-1874
    ISSN (online) 1590-3478
    ISSN 1590-1874
    DOI 10.1007/s10072-023-07220-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Neurodegeneration with brain iron accumulation - clinical syndromes and neuroimaging.

    Schipper, Hyman M

    Biochimica et biophysica acta

    2012  Volume 1822, Issue 3, Page(s) 350–360

    Abstract: Iron participates in a wide array of cellular functions and is essential for normal neural development and physiology. However, if inappropriately managed, the transition metal is capable of generating neurotoxic reactive oxygen species. A number of ... ...

    Abstract Iron participates in a wide array of cellular functions and is essential for normal neural development and physiology. However, if inappropriately managed, the transition metal is capable of generating neurotoxic reactive oxygen species. A number of hereditary conditions perturb body iron homeostasis and some, collectively referred to as neurodegeneration with brain iron accumulation (NBIA), promote pathological deposition of the metal predominantly or exclusively within the central nervous system (CNS). In this article, we discuss seven NBIA disorders with emphasis on the clinical syndromes and neuroimaging. The latter primarily entails magnetic resonance scanning using iron-sensitive sequences. The conditions considered are Friedreich ataxia (FA), pantothenate kinase 2-associated neurodegeneration (PKAN), PLA2G6-associated neurodegeneration (PLAN), FA2H-associated neurodegeneration (FAHN), Kufor-Rakeb disease (KRD), aceruloplasminemia, and neuroferritinopathy. An approach to differential diagnosis and the status of iron chelation therapy for several of these entities are presented. This article is part of a Special Issue entitled: Imaging Brain Aging and Neurodegenerative disease.
    MeSH term(s) Brain/metabolism ; Brain/pathology ; Humans ; Iron/metabolism ; Neurodegenerative Diseases/diagnosis ; Neurodegenerative Diseases/metabolism ; Neurodegenerative Diseases/pathology ; Neuroimaging/methods ; Neurotoxicity Syndromes/diagnosis ; Neurotoxicity Syndromes/metabolism ; Neurotoxicity Syndromes/pathology
    Chemical Substances Iron (E1UOL152H7)
    Language English
    Publishing date 2012-03
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 60-7
    ISSN 1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650 ; 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
    ISSN (online) 1879-2596 ; 1879-260X ; 1872-8006 ; 1879-2642 ; 1879-2618 ; 1879-2650
    ISSN 0006-3002 ; 0005-2728 ; 0005-2736 ; 0304-4165 ; 0167-4838 ; 1388-1981 ; 0167-4889 ; 0167-4781 ; 0304-419X ; 1570-9639 ; 0925-4439 ; 1874-9399
    DOI 10.1016/j.bbadis.2011.06.016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Dentate Gyrus Immaturity in Schizophrenia.

    Tavitian, Ayda / Song, Wei / Schipper, Hyman M

    The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry

    2019  Volume 25, Issue 6, Page(s) 528–547

    Abstract: Hippocampal abnormalities have been heavily implicated in the pathophysiology of schizophrenia. The dentate gyrus of the hippocampus was shown to manifest an immature molecular profile in schizophrenia subjects, as well as in various animal models of the ...

    Abstract Hippocampal abnormalities have been heavily implicated in the pathophysiology of schizophrenia. The dentate gyrus of the hippocampus was shown to manifest an immature molecular profile in schizophrenia subjects, as well as in various animal models of the disorder. In this position paper, we advance a hypothesis that this immature molecular profile is accompanied by an identifiable immature morphology of the dentate gyrus granule cell layer. We adduce evidence for arrested maturation of the dentate gyrus in the human schizophrenia-affected brain, as well as multiple rodent models of the disease. Implications of this neurohistopathological signature for current theory regarding the development of schizophrenia are discussed.
    MeSH term(s) Animals ; Dentate Gyrus/growth & development ; Dentate Gyrus/pathology ; Dentate Gyrus/physiopathology ; Disease Models, Animal ; Humans ; Models, Neurological ; Neurons/physiology ; Schizophrenia/pathology ; Schizophrenia/physiopathology
    Language English
    Publishing date 2019-01-24
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1233753-5
    ISSN 1089-4098 ; 1073-8584
    ISSN (online) 1089-4098
    ISSN 1073-8584
    DOI 10.1177/1073858418824072
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: The Impact of Gonadal Hormones on the Expression of Human Neurological Disorders

    Schipper, Hyman M.

    Neuroendocrinology

    2015  Volume 103, Issue 5, Page(s) 417–431

    Abstract: The effects of gonadal steroids on neurological well-being and disease constitute a rich and rapidly expanding area of basic and clinical neuroscience. Gonadal hormones exert potent effects on monoaminergic, cholinergic and peptidergic pathways as well ... ...

    Institution Lady Davis Institute, Jewish General Hospital, and Department of Neurology and Neurosurgery, McGill University, Montreal, Que., Canada
    Abstract The effects of gonadal steroids on neurological well-being and disease constitute a rich and rapidly expanding area of basic and clinical neuroscience. Gonadal hormones exert potent effects on monoaminergic, cholinergic and peptidergic pathways as well as neurosteroidogenesis which, in turn, impact normal brain organization and function. A spectrum of human neurological conditions are influenced by hormonal fluctuations associated with the menstrual cycle, pregnancy, the menopause and use of oral contraceptives. An appreciation of these relationships may facilitate the development of specific hormonal and anti-hormonal therapies for neurological disorders as disparate as catamenial epilepsy and acute intermittent porphyria.
    Keywords Multiple sclerosis ; Neoplasm ; Oral contraceptive ; Menopause ; Menses ; Alzheimer disease ; Epilepsy ; Estrogen ; Movement disorder
    Language English
    Publishing date 2015-09-04
    Publisher S. Karger AG
    Publishing place Basel, Switzerland
    Document type Article
    Note At the Cutting Edge
    ZDB-ID 123303-8
    ISSN 1423-0194 ; 0028-3835
    ISSN (online) 1423-0194
    ISSN 0028-3835
    DOI 10.1159/000440620
    Database Karger publisher's database

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  8. Article ; Online: Apolipoprotein E: implications for AD neurobiology, epidemiology and risk assessment.

    Schipper, Hyman M

    Neurobiology of aging

    2011  Volume 32, Issue 5, Page(s) 778–790

    Abstract: Alzheimer disease (AD) is a common and devastating dementing illness for which there is no effective neuroprotective therapy or cure. The presence of the apolipoprotein E (apoE) ε4 allele is a well-established genetic modifier (risk factor) of sporadic ... ...

    Abstract Alzheimer disease (AD) is a common and devastating dementing illness for which there is no effective neuroprotective therapy or cure. The presence of the apolipoprotein E (apoE) ε4 allele is a well-established genetic modifier (risk factor) of sporadic AD. In this review, we provide an update on the implications of apoE for the neurobiology and epidemiology of AD. Moreover, recent evidence is adduced indicating that (i) many AD risk factors are potentially modifiable by adaptive lifestyle changes and pharmacotherapy and (ii) the potency of these modifiable AD determinants and responsiveness to intervention are often significantly impacted by the presence or absence of the ε4 allele. Delineation of the influences of the APOE genotype on modifiable AD risk factors and prevention may spur consideration of APOE testing for presymptomatic individuals seeking to define their personal risk.
    MeSH term(s) Alcohol Drinking/metabolism ; Alzheimer Disease/diet therapy ; Alzheimer Disease/epidemiology ; Alzheimer Disease/genetics ; Alzheimer Disease/metabolism ; Alzheimer Disease/prevention & control ; Antioxidants/metabolism ; Antioxidants/pharmacology ; Apolipoprotein E4/genetics ; Apolipoprotein E4/metabolism ; Diabetes Mellitus, Type 2/diet therapy ; Diabetes Mellitus, Type 2/metabolism ; Estrogens/metabolism ; Estrogens/pharmacology ; Exercise ; Fatty Acids, Omega-3/metabolism ; Fatty Acids, Omega-3/pharmacology ; Female ; Genetic Predisposition to Disease ; Genetic Testing ; Humans ; Hyperlipidemias/diet therapy ; Hyperlipidemias/metabolism ; Male ; Nutrition Assessment ; Prediabetic State/diet therapy ; Prediabetic State/metabolism ; Risk Assessment/methods
    Chemical Substances Antioxidants ; Apolipoprotein E4 ; Estrogens ; Fatty Acids, Omega-3
    Language English
    Publishing date 2011-05
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 604505-4
    ISSN 1558-1497 ; 0197-4580
    ISSN (online) 1558-1497
    ISSN 0197-4580
    DOI 10.1016/j.neurobiolaging.2009.04.021
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Presymptomatic apolipoprotein E genotyping for Alzheimer's disease risk assessment and prevention.

    Schipper, Hyman M

    Alzheimer's & dementia : the journal of the Alzheimer's Association

    2011  Volume 7, Issue 4, Page(s) e118–23

    Abstract: Current practice guidelines advocate apolipoprotein E (APOE) genotyping in cases of dementia and mild cognitive impairment and also in asymptomatic participants within the context of clinical/epidemiological research. APOE genotyping is not recommended ... ...

    Abstract Current practice guidelines advocate apolipoprotein E (APOE) genotyping in cases of dementia and mild cognitive impairment and also in asymptomatic participants within the context of clinical/epidemiological research. APOE genotyping is not recommended for prognostication in cognitively intact persons outside the research arena. On the basis of emerging developments, in this article, we revisit the notion that presymptomatic APOE testing might be medically appropriate and ethical for the purpose of Alzheimer's disease (AD) risk assessment and prevention. In support of this thesis, recent evidence is adduced indicating that (i) the potency of potentially modifiable AD determinants and responsiveness to intervention may be affected by the presence or absence of the ε4 allele, (ii) disclosure of APOE status to asymptomatic individuals seeking AD risk assessment is well tolerated when appropriate safeguards are in place, and (iii) awareness of personal AD risk in general, and APOE status in particular, may motivate individuals to engage in beneficial, risk-lowering behaviors.
    MeSH term(s) Alzheimer Disease/genetics ; Alzheimer Disease/prevention & control ; Alzheimer Disease/psychology ; Apolipoproteins E/genetics ; Genotype ; Humans ; Neuropsychological Tests ; Risk Assessment
    Chemical Substances Apolipoproteins E
    Language English
    Publishing date 2011-07
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2211627-8
    ISSN 1552-5279 ; 1552-5260
    ISSN (online) 1552-5279
    ISSN 1552-5260
    DOI 10.1016/j.jalz.2010.06.003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Salivary Heme Oxygenase-1: A Potential Biomarker for Central Neurodegeneration.

    Galindez, Julia M / Juwara, Lamin / Cressatti, Marisa / Gornitsky, Mervyn / Velly, Ana M / Schipper, Hyman M

    Journal of central nervous system disease

    2021  Volume 13, Page(s) 11795735211029114

    Abstract: Background: Parkinson disease (PD) is the second most common neurodegenerative disease, affecting 2% of the population over 65 years of age. PD diagnosis is based on clinical examination and can only be confirmed during autopsy. In 2018, we reported ... ...

    Abstract Background: Parkinson disease (PD) is the second most common neurodegenerative disease, affecting 2% of the population over 65 years of age. PD diagnosis is based on clinical examination and can only be confirmed during autopsy. In 2018, we reported that heme oxygenase-1 (HO-1), an inducible stress response protein important for heme catabolism and implicated in PD pathology, was higher in PD saliva relative to healthy controls, suggesting that salivary HO-1 may serve as a potential biomarker of PD.
    Objectives: To ascertain whether HO-1 protein levels are elevated in PD saliva relative to degenerative neurological, non-degenerative neurological and healthy controls.
    Methodology: The study included 307 participants comprising 75 participants with idiopathic PD and 3 control groups: 162 non-neurological, 37 non-PD degenerative neurological, and 33 non-degenerative neurological participants. Salivary HO-1 and total protein concentrations were measured using ELISA and BCA assay, respectively. Receiver operating characteristic (ROC) curves were used to estimate model discrimination. Analyses were adjusted by age, sex, total protein, and relevant comorbidities.
    Results: Elevated HO-1 concentrations were observed in the PD group and other neurodegenerative conditions compared to subjects with no neurological or non-degenerative neurological conditions. ROC curves using HO-1 levels and covariates yielded areas under the curve above 85% in models for PD or neurodegenerative conditions versus controls.
    Conclusions: Salivary HO-1 concentrations in combination with covariates may provide a biomarker signature that distinguishes patients with neurodegenerative conditions from persons without.
    Classification of evidence: This study provides Class III evidence that salivary HO-1 multivariable models can distinguish neurodegenerative conditions.
    Language English
    Publishing date 2021-07-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2586873-1
    ISSN 1179-5735
    ISSN 1179-5735
    DOI 10.1177/11795735211029114
    Database MEDical Literature Analysis and Retrieval System OnLINE

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