Rabu, 24 April 2013

Macam-macam gen supresor tumor



Familial Cancer Syndrome
Tumor Suppressor Gene
Function
Chromosomal Location
Tumor Types Observed
P53
17p13.1
brain tumors, sarcomas, leukemia, breast cancer
RB1
13q14.1-q14.2
retinoblastoma, osteogenic sarcoma
WT1
transcriptional regulation
11p13
pediatric kidney cancer, most common form of childhood solid tumor
NF1, protein = neurofibromin 1
catalysis of RAS inactivation
17q11.2
neurofibromas, sarcomas, gliomas
Neurofibromatosis Type 2

GeneReviews
NF2, protein = merlin or neurofibromin 2
linkage of cell membrane to actin cytoskeleton
22q12.2
Schwann cell tumors, astrocytomas, meningiomas, ependymonas
APC
signaling through adhesion molecules to nucleus
5q21-q22
colon cancer
Tuberous sclerosis 1

GeneReviews
TSC1, protein = hamartin
forms complex with TSC2 protein, inhibits signaling to downstream effectors of mTOR
9q34
seizures, mental retardation, facial angiofibromas
Tuberous sclerosis 2

GeneReviews
TSC2, protein = tuberin
see TSC1 above
16p13.3
benign growths (hamartomas) in many tissues, astrocytomas, rhabdomyosarcomas
Deleted in Pancreatic Carcinoma 4, Familial juvenile polyposis syndrome

GeneReviews
DPC4, also known as SMAD4
regulation of TGF-β/BMP signal transduction
18q21.1
pancreatic carcinoma, colon cancer
DCC
transmembrane receptor involved in axonal guidance via netrins
18q21.3
colorectal cancer
Familial Breast Cancer

GeneReviews
BRCA1
functions in transcription, DNA binding, transcription coupled DNA repair, homologous recombination, chromosomal stability, ubiquitination of proteins, and centrosome replication
17q21
breast and ovarian cancer
Familial Breast Cancer

GeneReviews
BRCA2:
same as the FANCD1 locus
transcriptional regulation of genes involved in DNA repair and homologous recombination
13q12.3
breast and ovarian cancer
Cowden syndrome

GeneReviews
PTEN =phosphatase and tensin homolog
phosphoinositide 3-phosphatase, protein tyrosine phosphatase
10q23.3
gliomas, breast cancer, thyroid cancer, head & neck squamous carcinoma
Peutz-Jeghers Syndrome (PJS)

GeneReviews
STK11 (serine-threonine kinase 11), a nuclear localized kinase, was also called STK11
phosphorylates and activatesAMP-activated kinase (AMPK), AMPK involved in stress responses, lipid and glucose meatabolism
19p13.3
hyperpigmentation, multiple hamartomatous polyps, colorectal, breast and ovarian cancers
Hereditary Nonpolyposis Colon Cancer type 1, HNPCC1

GeneReviews
MSH2
DNA mismatch repair
2p22-p21
colon cancer
Hereditary Nonpolyposis Colon Cancer type 2, HNPCC2

GeneReviews
MLH1
DNA mismatch repair
3p21.3
colon cancer
Familial diffuse-type gastric cancer

GeneReviews
CDH1, protein = E-cadherin
cell-cell adhesion protein
16q22.1
gastric cancer, lobular breast cancer
VHL
regulation of transcription elongation through activation of a ubiquitin ligase complex
3p26-p25
renal cancers, hemangioblastomas, pheochromocytoma, retinal angioma
Familial Melanoma

OMIM data
CDKN2A = tumor suppressor:
protein = cyclin-dependent kinase inhibitor 2A
gene produces 2 proteins: p16INK4 and p14ARF
p16INK4 inhibitscell-cycle kinases CDK4 and CDK6; p14ARF binds the p53stabilizing protein MDM2
9p21
melanoma, pancreatic cancer, others
Gorlin Syndrome: Nevoid basal cell carcinoma syndrome (NBCCS)

GeneReviews
PTCH, protein = patched
transmembrane receptor for sonic hedgehog (shh), involved in early development through repression of action of smoothened
9q22.3
basal cell skin carcinoma

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