Gen
COL2A1
collagen type II alpha 1 chain
- HGNC 2200↗(åbnes i en ny fane)
- Ensembl-gen ENSG00000139219↗(åbnes i en ny fane)
- NCBI Gene 1280↗(åbnes i en ny fane)
Oversigt
- Cytogenetisk placering
- 12q13.11
- Koordinater
- Kromosom 12: 47.972.967–48.004.476 (GRCh38)
- Exoner
- 54 exoner fordelt over 31,5 kb
- Protein
- 1.487 aminosyrer
- Arvelighed
- Autosomal dominant
- Også kendt som
- STL1
- Tidligere symboler
- SEDC, AOM
- MANE Select-transkript
- ENST00000380518.8NM_001844.5
- Lokustype
- gene with protein product
- Meget høj
- Sikker
- Lav
- Meget lav
ReferencegenomGRCh38hg38
Positioner på gen- og variantsider følger dette valg i denne browser.
Læs COL2A1 og resten af dit genom med én test.
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Bestil min Genome TestKurerede rapporter relevant for dette gen
Achondrogenese-panel
- Achondrogenese
Achondrogenese beskriver en sjælden gruppe af dødelige skeletdysplasier, kendetegnet ved en mangelfuld endokondral forbening, som fører til dværgvækst med ekstrem mikromeli, et lille thorax, en fremtrædende mave, anasarka og polyhydramnion. Der findes tre typer achondrogenese, som adskiller sig klinisk, radiologisk, histologisk og genetisk: achondrogenese type 1a, type 1b og type 2.
- ClinGen vurderer forbindelsen som definitivt
- 4 GenCC-indsendere vurderer den som definitiv eller stærk
Epifyse- og spondyloepifyse-dysplasier
- COL2A1-relateret spondyloepifysedysplasiAutosomal dominant
Skeletdysplasier forårsaget af COL2A1-varianter, der påvirker rygsøjlen og enderne af de lange knogler, ofte med nærsynethed og en risiko for nethindeløsning.
- ClinGen vurderer forbindelsen som definitivt
- 6 GenCC-indsendere vurderer den som definitiv eller stærk
- Kniest dysplasiAutosomal dominant
COL2A1-dysplasi med kort overkrop, forstørrede led, ganespalte, nærsynethed og høretab.
- ClinGen vurderer forbindelsen som definitivt
- 3 GenCC-indsendere vurderer den som definitiv eller stærk
- Platyspondylisk dysplasi, Torrance-typeAutosomal dominant
Svær COL2A1-skeletdysplasi med fladtrykte hvirvler og korte lemmer.
- ClinGen vurderer forbindelsen som definitivt
- 1 GenCC-indsender vurderer den som definitiv eller stærk
- Spondyloepimetafysær dysplasi, Strudwick-typeAutosomal dominant
COL2A1-dysplasi med lav vækst, rygkrumning og uregelmæssige knogleender.
- 1 GenCC-indsender vurderer den som definitiv eller stærk
- Legg-Calve-Perthes sygdom (COL2A1-relateret)Autosomal dominant
Barndomsbetinget tab af blodforsyning til lårbenshovedet; i familietilfælde knyttet til COL2A1.
- 1 GenCC-indsender vurderer den som definitiv eller stærk
- Primær avaskulær nekrose af lårbenshovedet, 1Autosomal dominant
Knoglenekrose i hoften med debut i voksenalderen hos familier med COL2A1-varianter.
- 1 GenCC-indsender vurderer den som definitiv eller stærk
- Dysplasi af de proksimale lårbensepifyserAutosomal dominant
COL2A1-relateret misdannelse af lårbenshovedet, der medfører tidlig hoftegigt.
- ClinGen vurderer forbindelsen som definitivt
- 2 GenCC-indsendere vurderer den som definitiv eller stærk
Vitreoretinopati
- Vitreoretinal degeneration
- ClinGen vurderer forbindelsen som definitivt
- 5 GenCC-indsendere vurderer den som definitiv eller stærk
Arvegang
- Autosomal dominant
- Én ændret kopi, fra enten far eller mor, er nok. En forælder med én ændret kopi overfører den til hvert barn med en chance på en ud af to.
Sådan er COL2A1 opbygget
- Kodende sekvens
- Utranslateret region
- Intron
- Transkriptionsretning
- Kendte sygdomsfremkaldende steder
Eksoner i genets MANE Select-transkript (udgave v1.5), fra NCBI og EMBL-EBI, på referencegenomet GRCh38.
Kromosombånd fra UCSC's GRCh38-ideogram (2022-10-29).
Gener i nærheden fra Ensembl-udgivelse 116, på GRCh38.
Eksoner udgør 5,1 kb af genets 31,5 kb; 4.464 af disse baser koder for proteinet.
Sådan læser en genomtest COL2A1
321
positioner i COL2A1, hvor ClinVar klassificerer en ændring som patogen eller sandsynligvis patogen
Ingen af dem ligger i en region, som korte læsninger har svært ved.
En helgenomsanalyse dækker alle 31,5 kb af COL2A1, inklusive introner, og ikke kun de 5,1 kb eksoner.
Gener knyttet til de samme sygdomme
- BEST1bestrophin 1Deler 1 sygdom
- CAPN5calpain 5Deler 1 sygdom
- COL11A1collagen type XI alpha 1 chainDeler 1 sygdom
- COL18A1collagen type XVIII alpha 1 chainDeler 1 sygdom
- COL9A1collagen type IX alpha 1 chainDeler 1 sygdom
- COL9A2collagen type IX alpha 2 chainDeler 1 sygdom
- COL9A3collagen type IX alpha 3 chainDeler 1 sygdom
- CTNNB1catenin beta 1Deler 1 sygdom
- DYNC1H1dynein cytoplasmic 1 heavy chain 1Deler 1 sygdom
- FZD4frizzled class receptor 4Deler 1 sygdom
- GDF5growth differentiation factor 5Deler 1 sygdom
- KCNJ13potassium inwardly rectifying channel subfamily J member 13Deler 1 sygdom
Træk knyttet til COL2A1
Human Phenotype Ontology angiver disse som kendetegn ved de sjældne tilstande, COL2A1 kan forårsage. Hvert træks side viser de andre gener, der er knyttet til det.
Abnormality of the musculoskeletal system
- Abnormal cartilage collagen
- Beaking of vertebral bodies
- Coronal cleft vertebrae
- Disease of the joints
- Flattened vertebrae
- Funnel chest
- Generalized osteoporosis
- Hip osteoarthritis
Vis 116 træk mere
- Irregular vertebral endplates
- Joint stiffness
- Limitation of joint mobility
- Ovoid vertebral bodies
- Pigeon chest
- Short long bone
- Small chest
- Small wings of the pelvic girdle
- Abnormal bone maturation
- Abnormal bone structure
- Abnormal shape of joints
- Abnormal skeletal development
- Abnormal vertebral morphology
- Abnormality of the vertebral column
- Bell-shaped thorax
- Cartilage destruction
- Death of bone due to decreased blood supply
- Degenerative joint disease
- Delayed bone maturation
- Delayed maturation of end part of long bone
- Disproportionate short-trunked short stature
- Enlarged joints
- Excessive inward curvature of lower spine
- Formation of new noncancerous bone on top of existing bone
- Hypermobility of all joints
- Hypoplastic pelvis
- Joint dislocation
- Kyphoscoliosis
- Multiple enchondromatosis
- Muscle degeneration
- Narrow chest
- Scoliosis
- Shorter than typical length between neck and abdomen
- Spondylometaphyseal dysplasia
- Vertebral segmentation defect
- Abnormal bone maturation of vertebra
- Abnormal formation of the hip
- Abnormal ilium morphology
- Abnormal shape of end part of bone
- Abnormal shape of the end part of the vertebra bone
- Abnormality of the vertebral endplates
- Absent vertebral body mineralization
- Anisospondyly
- Arthritis
- Cervical instability
- Cervical spine instability
- Delayed maturation of pubic bone
- Delayed vertebral ossification
- Double-Jointed
- Flat end part of bone
- Hunched back
- Hypoplasia of the odontoid process
- Hypoplastic pubic bone
- Irregular end part of long bone
- Large end part of bone
- Limb pain
- Limited hip movement
- Morbus Scheuermann
- Narrow greater sciatic notch
- Osteochondroma
- Osteoporosis
- Short pelvis bones
- Short ribs
- Small end part of bone
- Small shoulder blade
- Thoracolumbar kyphosis
- Unossified sacrum
- Wafer-thin platyspondyly
- Wedge-shaped vertebrae
- Abnormal deposits of calcium in the brain
- Anterior vertebral fusion
- Atlantoaxial instability
- Back pain
- Barrel-shaped chest
- Biconcave vertebral bodies
- Biconvex vertebral bodies
- Displacement of one backbone compared to another
- Fused neck
- Hip joint pain
- Intervertebral space narrowing
- Irregular iliac crest
- Knee pain
- Low solidness and mass of the bones
- Reduced spine movement
- Restricted large joint movement
- Underdeveloped vertebrae
- Vertebral fusion
- C1-C2 vertebral abnormality
- Hypoplastic iliac wing
- Increased susceptibility to fractures
- Abnormal development of end part of bone
- Anterior rib cupping
- Broad long bones
- C1-C2 subluxation
- Crescent-shaped iliac bone
- Disc-like vertebral bodies
- Flattened, squared-off end part of tubular bones
- Flexed joint that cannot be straightened
- Generalized decreased muscle tone
- Horizontal ribs
- Hyperconvex vertebral body endplates
- Hypoplastic ischia
- Lethal skeletal dysplasia
- Low muscle tone
- Lumbar kyphoscoliosis
- Narrow iliac wing
- Neonatal short-trunk short stature
- Prominent swayback
- Schmorl's node
- Severe platyspondyly
- Short greater sciatic notch
- Splayed end part of bone
- Spondyloepimetaphyseal dysplasia
- Spondyloepiphyseal dysplasia
- Thin ribs
- Thoracic kyphosis
Abnormality of limbs
- Acetabular spurs
- Avascular necrosis of the capital femoral epiphysis
- Bowed shankbone
- Delayed tibial epiphyseal ossification
- Disproportionately short upper portion of limb
- Dumbbell-shaped thighbone
- Flat acetabular roof
- Flat end part of innermost thighbone
Vis 95 træk mere
- Heberden node
- Irregular wide portion of a long bone
- Knee osteoarthritis
- Limb undergrowth
- Limited elbow extension
- Outward bow-leggedness
- Rhizomelic arm shortening
- Rhizomelic leg shortening
- Severe limb shortening
- Short fingers or toes
- Short long bone of foot
- Short outermost bone of ring finger
- Short outermost bone of the index finger
- Short outermost bone of the middle finger
- Short outermost little finger bone
- Short toe
- Shortened long bone of hand
- Shortening of all middle phalanges of the fingers
- Abnormal neck or head of thigh bone
- Abnormal wrist bones
- Abnormality of femoral head development
- Abnormality of the wide portion of a long bone
- Aplasia/hypoplasia involving bones of the extremities
- Bowing of the long bones
- Corner fracture of metaphysis
- Coxa vara
- Flared wide portion of long bone
- Flexion contracture of finger
- Left and right leg differ in length or width
- Metaphyseal cupping
- Metaphyseal dysplasia
- Short foot
- Short outermost finger bone
- Short palm
- Small innermost thighbone end part
- Smaller or shorter than typical limbs
- Abnormal ulnar metaphysis morphology
- Abnormality of the calf bone
- Abnormality of the end part of the innermost thighbone
- Abnormality of the hip joint
- Abnormality of the knee
- Absent/small extremities
- Bowing of outer large bone of the forearm
- Broad wide portion of long bone
- Coxa valga
- Curvature of digit
- Delayed proximal femoral epiphyseal ossification
- Dumbbell-shaped long bone
- Enlarged wide portion of a long bone
- Flat head of thigh bone
- Internal tibial torsion
- Knock knees
- Metaphyseal enchondromatosis
- Short lower limbs
- Type E brachydactyly
- Underdeveloped inner large forearm bone
- Upper limb undergrowth
- Abnormal feet structure
- Abnormal shape of long bones of hand
- Abnormality of the wrist
- Broad big toe
- Club feet
- Delayed bone maturation of the knee cap
- Delayed maturation of wrist bone
- Irregular acetabular roof
- Limited elbow movement
- Short neck of thighbone
- Short thighbone
- Talipes
- Abnormal epiphysis morphology of the phalanges of the hand
- Abnormality of thighbone end part
- Absent styloid process of ulna
- Bowed long bone in upper arm
- Broad palm
- Broad thumb
- Club-shaped innermost end of thighbone
- Cone-shaped end part of finger bones
- Delayed distal femoral epiphyseal ossification
- Delayed heel bone maturation
- Dropped arches
- Flared femoral metaphysis
- Hip contracture
- Hip dislocation
- Hypoplasia of proximal radius
- Irregular thighbone end part
- Limitation of knee mobility
- Long slender fingers
- Metaphyseal dappling
- Narrow neck of thigh bone
- Short finger bones
- Short thumb
- Short tubular bones of the hand
- Shortening of all innermost bones of the fingers
- Small carpal bones
- Tibial metaphyseal irregularity
Abnormality of head or neck
- Broad head shape
- Cleft palate
- Depressed nasal bridge
- Frontal bossing
- Long philtrum
- Short neck
- Small retruded chin
- Zygomatic flattening
Vis 28 træk mere
- Abnormal dentition
- Decreased size of maxilla
- Round face
- Short nose
- Coarse facial features
- Flat face
- Increased head circumference
- Little lower jaw
- Midface retrusion
- Pierre-Robin sequence
- Prominent forehead
- Retraction of the tongue
- Stiff neck
- Bifid uvula
- Cleft soft palate
- Decrease in jaw mobility
- Dental cavities
- Facial asymmetry
- High palate
- Pointed chin
- Skin tag in front of the ear
- Submucous cleft hard palate
- Big calvaria
- Boxer-like facial appearance
- Cystic hygroma
- Decreased cranial base ossification
- Narrow mouth
- Nasal tip, upturned
Abnormality of the eye
- Close sighted
- Increased size of eyes
- Severe near sightedness
- Vitreoretinopathy
- Abnormal vitreous humor morphology
- Bulging eye
- Clouding of the lens of the eye
- Degenerative vitreoretinopathy
Vis 20 træk mere
- Retinal detachment
- Abnormality of the eye
- Absent/small lens
- Lattice retinal degeneration
- Retinal hole
- Rhegmatogenous retinal detachment
- Wide-set eyes
- Completely dislocated lens
- Drooping of both upper eyelids
- Glaucoma
- Partially dislocated lens
- Visual impairment
- Visual loss
- Cross-eyed
- High eye pressure
- Asteroid hyalosis
- Blindness
- Membranous vitreous appearance
- Optically empty vitreous
- Retinal thinning
Eksterne links
Genposter
Transkript
Protein
Hvor oplysningerne kommer fra
- HGNC: genets symbol, navn, andre symboler og placering.
- MANE Select v1.5, fra NCBI og EMBL-EBI: transkriptet, dets exoner og kodende sekvens.
- GenCC og ClinGen, udgivet 2026-10-16: hvilke sygdomme genet er knyttet til, og hvor stærkt.
- ACMG-listen over sekundære fund, SF v3.2.
- ClinVar og GIAB-stratifikationerne: kendte sygdomsfremkaldende positioner og de regioner, som korte læsninger har svært ved at aflæse.
- Human Phenotype Ontology, version 2026-09-01: de træk, der er knyttet til genet. Læs mere på hpo.jax.org.
- Dataudgivelse 2026.10.16-c6eea6bf.
Citér denne side
Dante Labs. (u.d.). COL2A1-genet: collagen type II alpha 1 chain. Hentet 17. oktober 2026, fra https://dantelabs.com/da/genes/col2a1
Dante Labs. COL2A1-genet: collagen type II alpha 1 chain [Internet]. [citeret 17. oktober 2026]. Tilgængelig fra: https://dantelabs.com/da/genes/col2a1
Én test. Svar for hele livet.
Fra 449 $Gratis forsendelse · Resultater på 6–8 uger