Gene Summary

purinergic receptor P2X, ligand-gated ion channel, 2
P2x2,  P2X2a

IMPC Data Collections

IMPC Phenotype Summary

Not Significant
Not tested


The IMPC applies a panel of phenotyping screens to characterise single-gene knockout mice by comparison to wild types. Click on the different tabs to visualise significant phenotypes identified by the IMPC, as well as all data that was measured.

Phenotype System Allele Zyg Sex Life Stage P Value
decreased exploration in new environment P2rx2tm1b(EUCOMM)Hmgu HOM Early adult 4.22×10-08
small testis P2rx2tm1b(EUCOMM)Hmgu HOM Early adult 0.00
decreased circulating glucose level P2rx2em1(IMPC)H HOM Early adult 2.00×10-05

Download data as:  TSV  XLS

Select physiological systems to view:
Viewing: all phenotypes
Select physiological systems to view:
Viewing: all phenotypes

lacZ Expression

Expression data not available

Associated Images

Images submitted by IMPC centres for a selection of procedures. Each set of images is available to view in our image comparator.


XRay Images Whole Body Dorso Ventral

10 Images


XRay Images Whole Body Lateral Orientation

10 Images

Human diseases caused by P2rx2 mutations

The analysis uses data from IMPC, along with published data on other mouse mutants, in comparison to human disease reports in OMIM, Orphanet, and DECIPHER.

Phenotype comparisons summarize the similarity of mouse phenotypes with human disease phenotypes.

The table below shows human diseases associated to P2rx2 by orthology or direct annotation.

Disease Similarity of
Matching phenotypes Source
Deafness, Autosomal Dominant 41
Tinnitus, Hearing impairment, Progressive sensorineural hearing impairment OMIM:608224

The table below shows human diseases predicted to be associated to P2rx2 by phenotypic similarity.

Disease Similarity of
Matching phenotypes Source
3-Hydroxy-3-Methylglutaryl-Coa Synthase Deficiency
Hypoglycemia ORPHA:35701
Glucocorticoid Deficiency 3
Recurrent hypoglycemia OMIM:609197
Deafness, Autosomal Recessive 104
Absent brainstem auditory responses, Positive Romberg sign, Prelingual sensorineural hearing impa... OMIM:616515
Hyperinsulinemic Hypoglycemia, Familial, 7
Hypoglycemia, Hyperinsulinemia, Hyperinsulinemic hypoglycemia, Hypoglycemic seizures OMIM:610021
Maturity-Onset Diabetes Of The Young, Type 3
Maturity-onset diabetes of the young, Type II diabetes mellitus, Hyperglycemia OMIM:600496
Auditory Neuropathy, Autosomal Dominant 1
Sensorineural hearing impairment, Abnormal speech discrimination, Absence of acoustic reflex, Abn... OMIM:609129
Glycogen Storage Disease 0, Liver
Postprandial hyperglycemia, Neonatal hypoglycemia, Fasting hypoglycemia OMIM:240600
Deafness, Autosomal Recessive 9
Sensorineural hearing impairment, Absent brainstem auditory responses, Absence of acoustic reflex OMIM:601071
Hyperinsulinemia, Hyperglycemia OMIM:616214
Hypogonadism, Male
Hypospadias, Testicular atrophy, Male hypogonadism, Micropenis OMIM:241100
Hyperinsulinism Due To Insr Deficiency
Hyperinsulinemic hypoglycemia, Hypoglycemia, Fasting hyperinsulinemia, Insulin resistance, Recurr... ORPHA:263458
Spinocerebellar Ataxia 32
Infertility, Testicular atrophy, Azoospermia, Cognitive impairment OMIM:613909
Maturity-Onset Diabetes Of The Young, Type 10
Diabetic ketoacidosis, Hyperglycemia, Maturity-onset diabetes of the young, Diabetes mellitus OMIM:613370
Spinocerebellar Ataxia Type 32
Azoospermia, Testicular atrophy, Male infertility, Cognitive impairment ORPHA:276183
Spermatogenic Failure, X-Linked, 2
Azoospermia, Testicular atrophy, Male infertility OMIM:309120
Dwarfism, Low-Birth-Weight Type, With Unresponsiveness To Growth Hormone
Hypoglycemia OMIM:223500
Hypoinsulinemic Hypoglycemia And Body Hemihypertrophy
Neonatal hypoglycemia, Hypoketotic hypoglycemia, Nonketotic hypoglycemia, Hypoglycemic seizures ORPHA:293964
Charcot-Marie-Tooth Disease, Type 4B1
Decreased motor nerve conduction velocity, Distal sensory impairment, Abnormal auditory evoked po... OMIM:601382
Fructose And Galactose Intolerance
Hypoglycemia OMIM:229500
Hyperinsulinemic Hypoglycemia, Familial, 2
Hypoglycemia, Hyperinsulinemic hypoglycemia OMIM:601820
Phosphoenolpyruvate Carboxykinase Deficiency, Mitochondrial
Hypoglycemia, Impaired gluconeogenesis OMIM:261650
Mitochondrial Complex Iii Deficiency, Nuclear Type 3
Hypoglycemia OMIM:615158
Hyperinsulinism Due To Glucokinase Deficiency
Type II diabetes mellitus, Hyperinsulinemic hypoglycemia, Hypoketotic hypoglycemia, Fasting hyper... ORPHA:79299
Ravine Syndrome
Ataxia, Abnormal auditory evoked potentials ORPHA:99852
Autosomal Recessive Spastic Paraplegia Type 44
Sensorineural hearing impairment, Ataxia, Abnormal motor evoked potentials, Somatic sensory dysfu... ORPHA:320401
Insulin Autoimmune Syndrome
Hyperinsulinemic hypoglycemia, Insulin resistance, Reactive hypoglycemia, Nonketotic hypoglycemia... ORPHA:411593
Isolated Follicle Stimulating Hormone Deficiency
Testicular atrophy, Decreased serum testosterone concentration, Azoospermia, Delayed menarche, Hy... ORPHA:52901
Testicular Regression Syndrome
Abnormal male internal genitalia morphology, Absent testis, Hypoplasia of penis, Male pseudoherma... ORPHA:983
Short Stature Due To Partial Ghr Deficiency
Hypoglycemia ORPHA:314802
Glycogen Storage Disease Due To Glycogen Debranching Enzyme Deficiency
Hypoglycemia ORPHA:366
Hypoglycemia, Leucine-Induced
Hypoglycemia, Hyperinsulinemic hypoglycemia OMIM:240800
Optic Atrophy 8
Sensorineural hearing impairment, Optic atrophy, Abnormal auditory evoked potentials, Prolonged s... OMIM:616648
Long-Chain 3-Hydroxyacyl-Coa Dehydrogenase Deficiency
Hypoglycemia OMIM:609016
Charcot-Marie-Tooth Disease, Type 4D
Hearing impairment, Distal sensory impairment, Decreased nerve conduction velocity, Abnormal audi... OMIM:601455
Optic Atrophy With Or Without Deafness, Ophthalmoplegia, Myopathy, Ataxia, And Neuropathy
Optic atrophy, Abnormal auditory evoked potentials, Ataxia, Progressive sensorineural hearing imp... OMIM:125250
Neurodevelopmental Disorder With Hypotonia, Neuropathy, And Deafness
Sensorineural hearing impairment, Absent brainstem auditory responses, EEG abnormality, Choreoath... OMIM:617519
Central Hypoventilation Syndrome, Congenital, 3
Central hypoventilation, Apnea, Respiratory failure, Episodic hypertension OMIM:619483
Kennedy Disease
Erectile dysfunction, Testicular atrophy, Type II diabetes mellitus, Decreased fertility ORPHA:481
Diabetes Mellitus, Transient Neonatal, 3
Transient neonatal diabetes mellitus, Maternal diabetes, Hyperglycemia OMIM:610582
Mitochondrial Complex Iii Deficiency, Nuclear Type 9
Hypoglycemia OMIM:616111
Bone Marrow Failure Syndrome 5
Testicular atrophy, Hypogonadism OMIM:618165
Dicarboxylic Aminoaciduria
Fasting hypoglycemia OMIM:222730
Charcot-Marie-Tooth Disease, Type 4C
Decreased motor nerve conduction velocity, Facial palsy, Distal sensory impairment, Abnormal cran... OMIM:601596
Homozygous 11P15-P14 Deletion Syndrome
Hypoglycemia, Hyperinsulinemia OMIM:606528
Orthostatic Hypotension 2
Hypoglycemia OMIM:618182
Obesity-Hypoventilation Syndrome
Hypoventilation OMIM:257500
Monocarboxylate Transporter 1 Deficiency
Ketotic hypoglycemia OMIM:616095
Autosomal Dominant Optic Atrophy Plus Syndrome
Sensorineural hearing impairment, Absent brainstem auditory responses, Ataxia, Temporal optic dis... ORPHA:1215
Pineal Hyperplasia, Insulin-Resistant Diabetes Mellitus, And Somatic Abnormalities
Postprandial hyperglycemia, Hyperinsulinemia, Diabetic ketoacidosis, Hypoglycemia, Insulin-resist... OMIM:262190
Hypogonadotropic Hypogonadism 1 With Or Without Anosmia
Testicular atrophy, Decreased serum testosterone concentration, Leydig cell insensitivity to gona... OMIM:308700
Spinal And Bulbar Muscular Atrophy, X-Linked 1
Testicular atrophy, Decreased fertility OMIM:313200
Charcot-Marie-Tooth Disease Type 1F
Sensorineural hearing impairment, Absent brainstem auditory responses, Impaired proprioception, D... ORPHA:101085
Abcd Syndrome
Total intestinal aganglionosis, Hearing impairment, Aganglionic megacolon, Abnormal auditory evok... OMIM:600501
Kallmann Syndrome With Spastic Paraplegia
Testicular atrophy, Leydig cell insensitivity to gonadotropin, Micropenis, Hypogonadotropic hypog... OMIM:308750
Glucocorticoid Deficiency 2
Recurrent hypoglycemia OMIM:607398
Athabaskan Brainstem Dysgenesis Syndrome
Central hypoventilation OMIM:601536
Muscular Dystrophy, Duchenne Type
Congestive heart failure, Arrhythmia, Dilated cardiomyopathy, Abnormal EKG, Respiratory failure, ... OMIM:310200
Mohr-Tranebjaerg Syndrome
Sensorineural hearing impairment, Absent brainstem auditory responses, Postlingual sensorineural ... ORPHA:52368
Perry Syndrome
Central hypoventilation, Hypotension ORPHA:178509
Late-Infantile/Juvenile Krabbe Disease
EEG with persistent abnormal rhythmic activity, Ataxia, Acroparesthesia, Decreased nerve conducti... ORPHA:206443
Adult Krabbe Disease
Ataxia, EEG abnormality, Acroparesthesia, Somatic sensory dysfunction, Prolonged brainstem audito... ORPHA:206448
Mitochondrial Complex I Deficiency, Nuclear Type 9
Breathing dysregulation, Hypoventilation OMIM:618232
Ornithine Transcarbamylase Deficiency
Hypoglycemia ORPHA:664
Acrocraniofacial Dysostosis
Sensorineural hearing impairment, Abnormality of the outer ear, Conductive hearing impairment, Ab... OMIM:201050
Adult-Onset Autosomal Dominant Leukodystrophy
Sensorineural hearing impairment, Ataxia, Abnormal autonomic nervous system physiology, Dysmetria... ORPHA:99027
Spondyloepiphyseal Dysplasia, Sensorineural Hearing Loss, Impaired Intellectual Development, And Leber Congenital Amaurosis
Sensorineural hearing impairment, Optic disc pallor, Ataxia, Abnormal auditory evoked potentials OMIM:619260
Axenfeld-Rieger Anomaly With Partially Absent Eye Muscles, Distinctive Face, Hydrocephaly, And Skeletal Abnormalities
Sensorineural hearing impairment, Abnormal auditory evoked potentials OMIM:109120
Central hypoventilation, Gastrointestinal hemorrhage, Hypertension ORPHA:251992
Hemochromatosis, Type 1
Amenorrhea, Testicular atrophy, Impotence, Hypogonadotropic hypogonadism, Diabetes mellitus, Azoo... OMIM:235200
Myotonic Dystrophy 1
Cholelithiasis, Testicular atrophy, Hypogonadism OMIM:160900
Central Hypoventilation Syndrome, Congenital, 1
Apnea, Hypoxemia, Central hypoventilation, Hypercapnia, Decreased heart rate variability, Nocturn... OMIM:209880
Central Nervous System Calcification-Deafness-Tubular Acidosis-Anemia Syndrome
Absent brainstem auditory responses, Vestibular areflexia ORPHA:3240
Diaphragmatic Defects, Limb Deficiencies, And Ossification Defects Of Skull
Testicular atrophy OMIM:601163
Postpoliomyelitis Syndrome
Respiratory insufficiency, Hypoventilation ORPHA:2942
Symptomatic Form Of Hemochromatosis Type 1
Amenorrhea, Infertility, Testicular atrophy, Apathy, Decreased serum testosterone concentration, ... ORPHA:465508
Perry Syndrome
Central hypoventilation, Respiratory insufficiency, Hypoventilation, Respiratory arrest OMIM:168605
Peripheral Demyelinating Neuropathy, Central Dysmyelination, Waardenburg Syndrome, And Hirschsprung Disease
Short-segment aganglionic megacolon, Absent brainstem auditory responses, Hypoplasia of the semic... OMIM:609136
Infantile Krabbe Disease
Decreased nerve conduction velocity, Optic atrophy, Hyperesthesia, Hearing impairment, Prolonged ... ORPHA:206436
Arthrogryposis, Distal, Type 2A
Hearing impairment, Abnormal auditory evoked potentials OMIM:193700
Chronic Bilirubin Encephalopathy
Sensorineural hearing impairment, Abnormal auditory evoked potentials ORPHA:529808
Acute Bilirubin Encephalopathy
Sensorineural hearing impairment, Abnormal auditory evoked potentials ORPHA:529799
Aarskog-Scott Syndrome
Testicular atrophy, Decreased serum testosterone concentration, Cryptorchidism, Elevated circulat... OMIM:305400
Myasthenic Syndrome, Congenital, 20, Presynaptic
Stridor, Apnea, Hypoventilation OMIM:617143
Cockayne Syndrome Type 1
Absent brainstem auditory responses, Ataxia, Optic atrophy, Macrotia, Abnormality of peripheral n... ORPHA:90321
Dyskeratosis Congenita, Autosomal Recessive 2
Testicular atrophy OMIM:613987
Lesch-Nyhan Syndrome
Testicular atrophy, Self-injurious behavior OMIM:300322
Wolfram Syndrome 1
Hypothyroidism, Diabetes insipidus, Testicular atrophy, Diabetes mellitus OMIM:222300
Proximal Spinal Muscular Atrophy
Recurrent aspiration pneumonia, Restrictive ventilatory defect, Hypoventilation, Neonatal respira... ORPHA:70
Progressive External Ophthalmoplegia With Mitochondrial Dna Deletions, Autosomal Dominant 1
Testicular atrophy, Hypergonadotropic hypogonadism, Primary amenorrhea, Secondary amenorrhea, Pre... OMIM:157640
Cerebrotendinous Xanthomatosis
Optic neuropathy, Ataxia, Abnormal motor evoked potentials, Decreased nerve conduction velocity, ... ORPHA:909
Trisomy 10P
EEG with focal spikes, Abnormality of the ear, EEG with burst suppression, Low voltage EEG, Abnor... ORPHA:171929
Synaptic Congenital Myasthenic Syndromes
Respiratory distress, Sleep apnea, Respiratory insufficiency, Neonatal respiratory distress, Exer... ORPHA:98915
Severe Neonatal Hypotonia-Seizures-Encephalopathy Syndrome Due To 5Q31.3 Microdeletion
Respiratory distress, Apnea, Aspiration pneumonia, Recurrent pneumonia, Hypoventilation ORPHA:314655
Laminin Subunit Alpha 2-Related Congenital Muscular Dystrophy
Respiratory insufficiency, Arrhythmia, Reduced left ventricular ejection fraction, Aspiration, Hy... ORPHA:258
Cockayne Syndrome B
Sensorineural hearing impairment, Abnormal pinna morphology, Ataxia, Decreased nerve conduction v... OMIM:133540
Cockayne Syndrome A
Sensorineural hearing impairment, Abnormal pinna morphology, Ataxia, Decreased nerve conduction v... OMIM:216400
Optic atrophy, Absent brainstem auditory responses, Sensorineural hearing impairment ORPHA:79330
Congenital Disorder Of Glycosylation, Type Iib
Hypoventilation OMIM:606056
Steinert Myotonic Dystrophy
Cholelithiasis, Secondary hyperparathyroidism, Testicular atrophy, Impotence, Hyperinsulinemia, D... ORPHA:273
Central Hypoventilation Syndrome, Congenital, 2, And Autonomic Dysfunction
Apnea, Hypopnea, Aspiration pneumonia, Restrictive ventilatory defect, Sinus bradycardia, Hypoven... OMIM:619482
Hypotonia, Hypoventilation, Impaired Intellectual Development, Dysautonomia, Epilepsy, And Eye Abnormalities
Sleep apnea, Hypoventilation, Recurrent pneumonia OMIM:618493
Bethlem Myopathy
Reduced maximal expiratory pressure, Hypoventilation ORPHA:610
Mend Syndrome
Low-set ears, Abnormal auditory evoked potentials ORPHA:401973
X-Linked Intellectual Disability, Snyder Type
Hypospadias, Abnormality of the Leydig cells, Testicular atrophy, Cryptorchidism ORPHA:3063
Prader-Willi Syndrome
Sleep apnea, Hypoventilation OMIM:176270
Autosomal Recessive Polycystic Kidney Disease
Recurrent pneumonia, Portal hypertension, Hypoventilation, Gastrointestinal hemorrhage, Spontaneo... ORPHA:731
Charcot-Marie-Tooth Disease Type 4C
Respiratory insufficiency, Hypoventilation ORPHA:99949
Rapid-Onset Childhood Obesity-Hypothalamic Dysfunction-Hypoventilation-Autonomic Dysregulation Syndrome
Asthma, Central hypoventilation, Cardiorespiratory arrest, Hypoventilation, Obstructive sleep apnea ORPHA:293987
Pura-Related Severe Neonatal Hypotonia-Seizures-Encephalopathy Syndrome
Apnea, Central sleep apnea, Aspiration pneumonia, Pulmonic stenosis, Breathing dysregulation, Hyp... ORPHA:438213
Deafness, Autosomal Dominant 41
Tinnitus, Hearing impairment, Progressive sensorineural hearing impairment OMIM:608224


Summary table of phenotypes displayed during the Histopathology procedure which are considered significant. Full histopathology data table, including submitted images, can be accessed by clicking any row in this table.

There is no histopathology data for P2rx2

IMPC related publications

The table below lists publications which used either products generated by the IMPC or data produced by the phenotyping efforts of the IMPC. These publications have also been associated to P2rx2.

There are 1 publication which use IMPC produced mice or data.

Title Journal IMPC Allele PubMed ID
Update of P2X receptor properties and their pharmacology: IUPHAR Review 30. British journal of pharmacology (December 2020) P2rx2em1(IMPC)H 33125712

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MGI Allele Allele Type Produced
P2rx2tm1a(EUCOMM)Hmgu KO first allele (reporter-tagged insertion with conditional potential) Mice, Targeting vectors, ES Cells
P2rx2em1(IMPC)H Exon Deletion Mice
P2rx2tm1b(EUCOMM)Hmgu Reporter-tagged deletion allele (with selection cassette) Mice
P2rx2tm1(KOMP)Mbp Reporter-tagged deletion allele (with selection cassette) Targeting vectors, ES Cells

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