Myoinositol

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Myoinositol
2D structure for Myoinositol
Chemical Name	(1r,2R,3S,4s,5R,6S)-cyclohexane-1,2,3,4,5,6-hexol
Chemical Formula	C₆H₁₂O₆
CAS Number	87-89-8
Chemical Information	HMDB00211
Biochemical Taxonomy	Alcohols and Polyols
Functional Taxonomy	Osmolyte Second Messenger
Nutritional Taxonomy	Not Available
Metabolic Pathways	Galactose Metabolism Glycerolipid Metabolism Glycerophospholipid Metabolism Glycosphingolipid Metabolism Inositol Phosphate Metabolism Phosphatidylinositol Signaling System Streptomycin Biosynthesis
Biofluid Location	Blood Cerebrospinal Fluid (CSF)
Tissue Location	Brain Fibroblasts Intestine Kidney Myelin Nerve Nerves Neurons Testes Basal Ganglia
Normal Biofluid Concentrations	Blood: 23.0 +/- 8.0 uM Blood: 24.0 +/- 7.8 uM Blood: 30.0 (21.0-49.0) uM Cerebrospinal Fluid (CSF): 133.0 (111.0-155.0) uM Cerebrospinal Fluid (CSF): 138.3 +/- 24.4 uM Cerebrospinal Fluid (CSF): 174.0 +/- 31.0 uM Cerebrospinal Fluid (CSF): 84 +/- 40 uM
Normal Tissue Concentrations	Not Available
Diseases / Conditions Related to Nutrition	Alzheimer Ribose-5-phosphate isomerase deficiency
Other (Monogenic Disorders)	Not Available
Abnormal Biofluid Concentrations	Blood (Ribose-5-phosphate isomerase deficiency): 20.0 (23.0-24.0) uM Cerebrospinal Fluid (CSF) (Alzheimer): 158.8 +/- 27.2 uM
Abnormal Tissue Concentrations	Not Available
Physiological Processes	Not Available

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Introduction

guidelines
Inositol is a cyclic polyalcohol that plays an important role as a second messenger in a cell, in the form of inositol phosphates. It is found in many foods, particularly in cereals with high bran content. It is 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.