Page last updated: 2024-10-19

inositol and Down Syndrome

inositol has been researched along with Down Syndrome in 19 studies

Inositol: An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction.
inositol : Any cyclohexane-1,2,3,4,5,6-hexol.
1D-chiro-inositol : Belonging to the inositol family of compounds, D-chiro-inositol (DCI) is an isomer of glucose. It is an important secondary messenger in insulin signal transduction.
muco-inositol : An inositol that is cyclohexane-1,2,3,4,5,6-hexol having a (1R,2R,3r,4R,5S,6r)-configuration.

Down Syndrome: A chromosome disorder associated either with an extra chromosome 21 or an effective trisomy for chromosome 21. Clinical manifestations include hypotonia, short stature, brachycephaly, upslanting palpebral fissures, epicanthus, Brushfield spots on the iris, protruding tongue, small ears, short, broad hands, fifth finger clinodactyly, Simian crease, and moderate to severe INTELLECTUAL DISABILITY. Cardiac and gastrointestinal malformations, a marked increase in the incidence of LEUKEMIA, and the early onset of ALZHEIMER DISEASE are also associated with this condition. Pathologic features include the development of NEUROFIBRILLARY TANGLES in neurons and the deposition of AMYLOID BETA-PROTEIN, similar to the pathology of ALZHEIMER DISEASE. (Menkes, Textbook of Child Neurology, 5th ed, p213)

Research Excerpts

ExcerptRelevanceReference
" The mean CSF concentration and the mean CSF/plasma concentration ratio of myo-inositol were significantly elevated in Down syndrome compared with controls, but were not correlated with the presence of dementia in the Down subjects."9.08Polyol profiles in Down syndrome. myo-Inositol, specifically, is elevated in the cerebrospinal fluid. ( Holloway, HW; Rapoport, SI; Schapiro, MB; Shetty, HU, 1995)
"myo-Inositol is elevated in the Down syndrome (DS; trisomy 21) brain and may play a role in mental retardation."7.70Ts65Dn mouse, a Down syndrome model, exhibits elevated myo-inositol in selected brain regions and peripheral tissues. ( Galdzicki, Z; Rapoport, SI; Shetty, HU; Siarey, RJ; Stoll, J, 2000)
"The purpose of this study was to determine cerebral myo-inositol (mI) in adults with Down syndrome (DS), and to trace the chronobiology of DS to Alzheimer disease (AD)."7.69Role of increased cerebral myo-inositol in the dementia of Down syndrome. ( Ross, BD; Shonk, T, 1995)
"Fibroblasts from individuals with Down syndrome (DS; trisomy 21) exhibit increased inositol uptake."7.68Inositol and inositol 1,4,5-trisphosphate content of Down syndrome fibroblasts exhibiting enhanced inositol uptake. ( Fruen, BR; Lester, BR, 1991)
" The mean CSF concentration and the mean CSF/plasma concentration ratio of myo-inositol were significantly elevated in Down syndrome compared with controls, but were not correlated with the presence of dementia in the Down subjects."5.08Polyol profiles in Down syndrome. myo-Inositol, specifically, is elevated in the cerebrospinal fluid. ( Holloway, HW; Rapoport, SI; Schapiro, MB; Shetty, HU, 1995)
" Myo-inositol (mI), whose transporter gene is located on chromosome 21, has been associated with dementia in the non-DS population; however, nobody has contrasted brain mI in DS with (DS+) and without (DS-) dementia to other non-DS groups."3.77Down syndrome with and without dementia: an in vivo proton Magnetic Resonance Spectroscopy study with implications for Alzheimer's disease. ( Archer, N; Beacher, F; Daly, E; Foy, CML; Lamar, M; Lovestone, S; Morris, RG; Murphy, DGM; Murphy, KC; Poppe, M; Prasher, V; Simmons, A, 2011)
"myo-Inositol is elevated in the Down syndrome (DS; trisomy 21) brain and may play a role in mental retardation."3.70Ts65Dn mouse, a Down syndrome model, exhibits elevated myo-inositol in selected brain regions and peripheral tissues. ( Galdzicki, Z; Rapoport, SI; Shetty, HU; Siarey, RJ; Stoll, J, 2000)
"The purpose of this study was to determine cerebral myo-inositol (mI) in adults with Down syndrome (DS), and to trace the chronobiology of DS to Alzheimer disease (AD)."3.69Role of increased cerebral myo-inositol in the dementia of Down syndrome. ( Ross, BD; Shonk, T, 1995)
"Fibroblasts from individuals with Down syndrome (DS; trisomy 21) exhibit increased inositol uptake."3.68Inositol and inositol 1,4,5-trisphosphate content of Down syndrome fibroblasts exhibiting enhanced inositol uptake. ( Fruen, BR; Lester, BR, 1991)
"myo-Inositol was found to be selectively elevated in the brain of the trisomy 16 mouse."1.29Brain accumulation of myo-inositol in the trisomy 16 mouse, an animal model of Down's syndrome. ( Acevedo, LD; Galdzicki, Z; Holloway, HW; Shetty, HU, 1996)
"In contrast, trisomy 21 did not affect the uptake of choline, serine or glucose."1.28Down's syndrome fibroblasts exhibit enhanced inositol uptake. ( Fruen, BR; Lester, BR, 1990)

Research

Studies (19)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's9 (47.37)18.2507
2000's5 (26.32)29.6817
2010's4 (21.05)24.3611
2020's1 (5.26)2.80

Authors

AuthorsStudies
Patkee, PA1
Baburamani, AA1
Long, KR1
Dimitrova, R1
Ciarrusta, J1
Allsop, J1
Hughes, E1
Kangas, J1
McAlonan, GM1
Rutherford, MA1
De Vita, E1
Rafii, MS1
Skotko, BG1
McDonough, ME1
Pulsifer, M1
Evans, C1
Doran, E1
Muranevici, G1
Kesslak, P1
Abushakra, S1
Lott, IT1
Santamaria, A1
Corrado, F1
Interdonato, ML1
Baviera, G1
Carlomagno, G1
Cavalli, P1
Unfer, V1
D'Anna, R1
Lin, AL1
Powell, D1
Caban-Holt, A1
Jicha, G1
Robertson, W1
Gold, BT1
Davis, R1
Abner, E1
Wilcock, DM1
Schmitt, FA1
Head, E1
Baek, KH1
Zaslavsky, A1
Lynch, RC1
Britt, C1
Okada, Y1
Siarey, RJ2
Lensch, MW1
Park, IH1
Yoon, SS1
Minami, T1
Korenberg, JR1
Folkman, J1
Daley, GQ1
Aird, WC1
Galdzicki, Z4
Ryeom, S1
Lamar, M1
Foy, CML1
Beacher, F2
Daly, E2
Poppe, M1
Archer, N1
Prasher, V2
Murphy, KC1
Morris, RG1
Simmons, A2
Lovestone, S2
Murphy, DGM1
Adams, C1
Margallo-Lana, ML1
Morris, R1
Murphy, K1
Murphy, DG1
Shonk, T1
Ross, BD2
Shetty, HU6
Schapiro, MB3
Holloway, HW4
Rapoport, SI5
Acevedo, LD2
Berry, GT1
Wang, ZJ1
Dreha, SF1
Finucane, BM1
Zimmerman, RA1
Huang, W2
Alexander, GE1
Daly, EM1
Krasuski, JS1
van Gelderen, P1
Balbo, A1
Chikhale, EG1
Stoll, J1
Fruen, BR2
Lester, BR2

Clinical Trials (1)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
A 4-Week Randomized, Double-Blind, Placebo-Controlled, Phase 2a Safety and PK Study of Oral ELND005 in Young Adults With Down Syndrome Without Dementia[NCT01791725]Phase 223 participants (Actual)Interventional2013-09-30Completed
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

Improvement in NPI Total Scores in Subjects With NPI Score ≥1 at Baseline Baseline

The Neuropsychiatric Inventory(NPI) (Cummings et al 1994) is a behavioral measure that assesses psychopathology in dementia patients. The NPI was administered at the Baseline Visit (Day 1) and at Day 28 (EOS) or ET. A decrease in score shows an improvement in symptoms. (NCT01791725)
Timeframe: Baseline and 4 weeks

Interventionparticipants (Number)
ELND005 BID7
ELND005 QD0
Placebo1

Incidence of Adverse Events (TEAEs)

For all AE summaries, if a patient had more than one AE within a preferred term, the patient was counted only once, at the maximum severity and with the closest relationship to study drug. If a patient had more than one AE within a SOC, the subject was similarly counted only once when reporting results for that SOC. (NCT01791725)
Timeframe: 4 weeks

Interventionparticipants (Number)
ELND005 BID5
ELND005 QD2
Placebo0

Changes From Baseline in Abnormal Neurological Examination Results

Subjects with Abnormal Neurological Examination Results (NCT01791725)
Timeframe: Baseline and 4 weeks

,,
Interventionparticipants (Number)
BaselineWeek 4
ELND005 BID44
ELND005 QD11
Placebo33

Cognitive Outcome (RADD Total Score)

Rapid Assessment for Development Disabilities (RADD) The RADD test was developed from the low-difficulty items from published intelligence tests (Walsh et al 2007). It was specifically developed for evaluation of individuals with intellectual disabilities and developmental disabilities. It is a validated and reliable cognitive screening instrument that can be rapidly administered. The RADD is composed of 76 items. Each item is scored as 0 (incorrect) or 1 (correct).The test assesses a wide range of functional abilities including receptive and expressive language, orientation, registration, recall, attention, self identification, motor skills, imitation, abstract reasoning, number skills, comprehension and short-term memory to give a total score. Scores are from 0 to 76. A higher total score is correlated with a higher Cognitive Impairment level. (NCT01791725)
Timeframe: Baseline and 4 Weeks

,,
Interventionunits on a scale (Mean)
Day 0Week 4
ELND005 BID58.759.1
ELND005 QD58.064.3
Placebo62.262.8

Pharmacokinetic Assessment

Mean Plasma ELND005 Concentrations- Cmax (NCT01791725)
Timeframe: Baseline and 4 Weeks

,,
Interventionμg/mL (Mean)
Mean Cmax, First Dose, Day 0Mean Cmax, Last Dose, Day 28
ELND005 BID1.686.33
ELND005 QD2.614.48
Placebo00

Reviews

1 review available for inositol and Down Syndrome

ArticleYear
Real or imaginary? Human metabolism through nuclear magnetism.
    IUBMB life, 2000, Volume: 50, Issue:3

    Topics: Alzheimer Disease; Animals; Brain; Down Syndrome; Glutamic Acid; History, 20th Century; Humans; In V

2000

Trials

2 trials available for inositol and Down Syndrome

ArticleYear
A Randomized, Double-Blind, Placebo-Controlled, Phase II Study of Oral ELND005 (scyllo-Inositol) in Young Adults with Down Syndrome without Dementia.
    Journal of Alzheimer's disease : JAD, 2017, Volume: 58, Issue:2

    Topics: Administration, Oral; Adolescent; Adult; Cognition Disorders; Double-Blind Method; Down Syndrome; El

2017
Polyol profiles in Down syndrome. myo-Inositol, specifically, is elevated in the cerebrospinal fluid.
    The Journal of clinical investigation, 1995, Volume: 95, Issue:2

    Topics: Adult; Age Factors; Aged; Biomarkers; Dementia; Down Syndrome; Female; Gas Chromatography-Mass Spect

1995

Other Studies

16 other studies available for inositol and Down Syndrome

ArticleYear
Neurometabolite mapping highlights elevated myo-inositol profiles within the developing brain in down syndrome.
    Neurobiology of disease, 2021, Volume: 153

    Topics: Aspartic Acid; Brain; Choline; Creatine; Down Syndrome; Female; Fetus; Glycine; Humans; Infant, Newb

2021
Myo-inositol in Down syndrome amniotic fluid. A case-control study.
    Prenatal diagnosis, 2014, Volume: 34, Issue:9

    Topics: Adult; Amniotic Fluid; Biomarkers; Case-Control Studies; Down Syndrome; Female; Humans; Inositol; Pr

2014
(1)H-MRS metabolites in adults with Down syndrome: Effects of dementia.
    NeuroImage. Clinical, 2016, Volume: 11

    Topics: Activities of Daily Living; Adult; Analysis of Variance; Aspartic Acid; Dementia; Down Syndrome; Fem

2016
Down's syndrome suppression of tumour growth and the role of the calcineurin inhibitor DSCR1.
    Nature, 2009, Jun-25, Volume: 459, Issue:7250

    Topics: Animals; Calcineurin; Calcium-Binding Proteins; Catechols; Cells, Cultured; Disease Models, Animal;

2009
Down syndrome with and without dementia: an in vivo proton Magnetic Resonance Spectroscopy study with implications for Alzheimer's disease.
    NeuroImage, 2011, Jul-01, Volume: 57, Issue:1

    Topics: Aged; Alzheimer Disease; Aspartic Acid; Brain Chemistry; Case-Control Studies; Dementia; Down Syndro

2011
Hippocampal myo-inositol and cognitive ability in adults with Down syndrome: an in vivo proton magnetic resonance spectroscopy study.
    Archives of general psychiatry, 2005, Volume: 62, Issue:12

    Topics: Adult; Ambulatory Care; Case-Control Studies; Down Syndrome; Female; Hippocampus; Humans; Inositol;

2005
Role of increased cerebral myo-inositol in the dementia of Down syndrome.
    Magnetic resonance in medicine, 1995, Volume: 33, Issue:6

    Topics: Adolescent; Adult; Alzheimer Disease; Aspartic Acid; Brain; Child; Child, Preschool; Choline; Creati

1995
Assay of myo-inositol in cerebrospinal fluid and plasma by chemical ionization mass spectrometry of the hexaacetate derivative.
    Biological mass spectrometry, 1994, Volume: 23, Issue:7

    Topics: Acetylation; Down Syndrome; Gas Chromatography-Mass Spectrometry; Humans; Inositol; Middle Aged; Ref

1994
Brain accumulation of myo-inositol in the trisomy 16 mouse, an animal model of Down's syndrome.
    The Biochemical journal, 1996, Jan-01, Volume: 313 ( Pt 1)

    Topics: Animals; Brain; Diploidy; Disease Models, Animal; Down Syndrome; Female; Homeostasis; Humans; Inosit

1996
Application of stable isotope tracer combined with mass spectrometric detection for studying myo-inositol uptake by cultured neurons from fetal mouse: effect of trisomy 16.
    Journal of mass spectrometry : JMS, 1997, Volume: 32, Issue:4

    Topics: Adult; Animals; Cells, Cultured; Diploidy; Down Syndrome; Female; Gas Chromatography-Mass Spectromet

1997
In vivo brain myo-inositol levels in children with Down syndrome.
    The Journal of pediatrics, 1999, Volume: 135, Issue:1

    Topics: Adolescent; Basal Ganglia; Case-Control Studies; Child; Child, Preschool; Down Syndrome; Female; Hum

1999
High brain myo-inositol levels in the predementia phase of Alzheimer's disease in adults with Down's syndrome: a 1H MRS study.
    The American journal of psychiatry, 1999, Volume: 156, Issue:12

    Topics: Adult; Age Factors; Alzheimer Disease; Biomarkers; Brain; Brain Chemistry; Diagnosis, Differential;

1999
Brain myo-inositol level is elevated in Ts65Dn mouse and reduced after lithium treatment.
    Neuroreport, 2000, Feb-28, Volume: 11, Issue:3

    Topics: Animals; Aspartic Acid; Brain; Choline; Creatine; Disease Models, Animal; Down Syndrome; Female; Ino

2000
Ts65Dn mouse, a Down syndrome model, exhibits elevated myo-inositol in selected brain regions and peripheral tissues.
    Neurochemical research, 2000, Volume: 25, Issue:4

    Topics: Animals; Brain; Brain Stem; Cerebellum; Disease Models, Animal; Down Syndrome; Female; Frontal Lobe;

2000
Inositol and inositol 1,4,5-trisphosphate content of Down syndrome fibroblasts exhibiting enhanced inositol uptake.
    FEBS letters, 1991, Dec-16, Volume: 295, Issue:1-3

    Topics: Biological Transport; Cells, Cultured; Down Syndrome; Fibroblasts; Humans; Inositol; Inositol 1,4,5-

1991
Down's syndrome fibroblasts exhibit enhanced inositol uptake.
    The Biochemical journal, 1990, Aug-15, Volume: 270, Issue:1

    Topics: Alzheimer Disease; Biological Transport; Cell Line; Choline; Chromosome Mapping; Chromosomes, Human,

1990