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1: BAG1 BCL2-associated athanogene [ Homo sapiens ]

GeneID: 573 updated 8-Nov-2009

[Top][Help]Summary

Official Symbol
BAG1provided by HGNC
Official Full Name
BCL2-associated athanogeneprovided by HGNC
Primary Source
HGNC:937
See related
Ensembl:ENSG00000107262; HPRD:03292; MIM:601497
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Homo sapiens
Lineage
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as
RAP46; BAG1
Summary
The oncogene BCL2 is a membrane protein that blocks a step in a pathway leading to apoptosis or programmed cell death. The protein encoded by this gene binds to BCL2 and is referred to as BCL2-associated athanogene. It enhances the anti-apoptotic effects of BCL2 and represents a link between growth factor receptors and anti-apoptotic mechanisms. At least three protein isoforms are encoded by this mRNA through the use of a non-AUG (CUG) start site, and alternative, downstream, AUG translation initiation sites. [provided by RefSeq]

[Top][Help]Genomic regions, transcripts, and products

(minus strand) Go to reference sequence detailsTry our new Sequence Viewer


[Top][Help]Genomic context

chromosome: 9; Location: 9p12See BAG1 in MapViewer

[Top][Help]Bibliography

Related Articles in PubMed

GeneRIFs: Gene References Into Function What's a GeneRIF?

PubMed 1. Advanced osteoarthritis is associated with altered collagen VI expression and upregulation of ER-stress markers Grp78 and bag-1.
PubMed 2. The results of our study showed that overall cytoplasmic and nuclear BAG-1 expression and overall and cytoplasmic CD24 expression, correlates with adverse prognostic parameters for breast carcinoma.
PubMed 3. These findings indicate a novel mechanism by which Bag-1M acts as a corepressor and downregulates the activity of the glucocorticoid receptor.
PubMed 4. we report a specific increase of BAG-1M in human Alzheimer's disease patients
PubMed 5. BAG-1 inhibits the transactivating functions of p73 and provide new insight into the mechanisms that control the expression of p73.
PubMed 6. Distinct isoforms of BAG-1 have different anti-apoptotic functions in breast cancer cells, and that the BAG-1 p50 isoform can potentiate the role of estrogen in ER-positive breast cancer.
PubMed 7. Gene expression revealed up-regulation of pro-angiogenic (PGF), anti-apoptotics (BAG-1, BCL-2), heart development (TNNT2, TNNC1) and extracellular matrix remodelling (MMP-2, MMP-7) genes in SM.
PubMed 8. BAG-1 protein was deregulated in this disease similar to some other malignancies such as breast and colon cancer
PubMed 9. A high BAG-1 expression predicts improved patient outcome in estrogen receptor-positive breast carcinoma.
PubMed 10. Bag1 NEF increased refolding by Hsc70 and DJA2, as did the newly characterized NEF Hsp110
PubMed 11. These findings identify a regulatory mechanism, downstream of hormone binding, used by Bag-1M for attenuating GR action in response to its changing cellular levels.
PubMed 12. Bag-1 expression in breast tumors is associated with improved outcome and steroid receptor positivity.
PubMed 13. Chromatin immunoprecipitation analysis of the BAG-1 promoter in DNMT1-overexpressing or DNMT3B-overexpressing colon cells show a permissive chromatin status assoscsiated with DNA binding of BORIS.
PubMed 14. By inhibiting NF-kappaB, suppression of BAG-1 could represent a novel strategy to impede colorectal cancer cell survival and as an adjuvant increase sensitivity to current therapeutic regimes.
PubMed 15. Modulation of Bag-1 expression can therefore mediate chondrocyte differentiation and turnover
PubMed 16. Observational study of gene-disease association. (HuGE Navigator)
PubMed 17. BAG-1 mRNA internal ribosome entry segment maintains synthesis of BAG-1 protein following exposure of cells to the chemotoxic drug vincristine but not to cisplatin.
PubMed 18. BAG-1 associates with Tau protein in an Hsc70-dependent manner.
PubMed 19. Results suggest that BAG-1 is able to potentiate vitamin D receptor-mediated transactivation by acting as a nuclear chaperone for 1,25(OH)2D3.
PubMed 20. BAG-1L endogenously regulates gene expression by potentiating nuclear hormone receptor function and a role for BAG-1L in 24-hydroxylase regulation of vitamin D metabolism and the cellular response of oral keratinocytes to 1alpha,25-dihydroxyvitamin D3.
PubMed 21. over-expression of BAG1 may play an important role in genesis and development of colon carcinoma
PubMed 22. An antiapoptotic protein, BAG-1, was found to be down-regulated in chewing-tobacco-mediated tongue carcinogenesis.
PubMed 23. BAG-1, an anti-apoptotic tumour marker Review
PubMed 24. BAG-1-mediated resistance to stress-induced growth inhibition is likely to have a major impact on the development and response to therapy of breast cancer.
PubMed 25. Increased cytosolic and nuclear BAG-1 expression may denote more aggressive variants of prostate cancer.
PubMed 26. BAG-1 may promote colorectal tumour cell survival by making colonic epithelial cells less sensitive to DNA damage.
PubMed 27. BAG1 activates Hsp70, which is important for neuroprotectivity.
PubMed 28. The results of this study implicate BAG-1 p29 in the regulation of both the EGF signaling cascade and the apoptotic cascade induced by loss of anchorage.
PubMed 29. In astrocytic tumours low ERbeta expression correlated significantly with high grade, higher expression of cytoplasmic BAG-1 and worse survival.
PubMed 30. BAG-1 contributes an important cellular function to breast epithelial cells, which is reflected by its ubiquitous expression in these tissues, but does not appear to determine response to doxorubicin-based chemotherapy
PubMed 31. Bag-1L enhances androgen receptor action via interaction with the NH2-terminal region of the receptor
PubMed 32. BAG-1 expression inhibits apoptosis in colorectal adenoma-derived epithelial cells
PubMed 33. Our experiments suggest that BAG-1 inhibits anti-cancer drug-induced apoptosis through apoptosis regulation pathways that may involve the mitochondrial Bcl-2/Bax ratio, p53, and differential anti-cancer drug-mediated cytochrome c release.
PubMed 34. BAG-1 may function to suppress the GADD34-mediated cellular stress response and have a role in the survival of cells undergoing stress
PubMed 35. BAG-1 is targeted to the COPI coated structures, implying its contribution toward the COPI vesicular transport in gastrointestinal epithelial cells
PubMed 36. BAG-1 protein showed distinct distribution pattern in hyperplastic and neoplastic prostate. BAG-1 with BCL-2 inhibits apoptosis and may prolong the life of neoplastic cells and give them a chance to gain new oncogenic features in early carcinogenesis.
PubMed 37. P. 130:..."[h]igh expression of Bcl-2", was one of the predictive factors "for achievement of pathological remission after preoperative chemotherapy" containing anthracycline.
PubMed 38. BAG-1 is expressed in the endometrium. High-grade cancers stain more frequently than secretory endometrium for both cytoplasmic and nuclear BAG-1 expression, perhaps indicating an association between expression of BAG-1 and prognosis.
PubMed 39. This is the molecular basis for their effects (Hap50/BAG-1L) on transcriptional activities, which are emphasized in this review and for which a molecular model is presented.
PubMed 40. Recombinant BAG-1 can influence cellular response to stress in cardiomyocytes by multiple mechanisms, potentially influenced by the cell type and nature of the stress signal.
PubMed 41. nuclear BAG-1 expression is a useful predictive factor for distant metastasis and a poor prognosis in patients with colorectal cancer.
PubMed 42. a secondary structural model of the Bag-1 IRES has been derived by using chemical and enzymatic probing data as constraints on the RNA folding algorithm Mfold
PubMed 43. The longer p50 isoform is generated through the use of an upstream, in-frame, non-AUG (CUG) translation initiation codon.
PubMed 44. Alternate protein isoforms arise through the use of a non-AUG (CUG) codon in addition to downstream in-frame AUG codons.

[Top][Help]HIV-1 protein interactions

Protein    Interaction
1. Tat HIV-1 Tat upregulates the expression of BAG-1 in Kaposi's sarcoma cells PubMed

Go to the HIV-1, Human Protein Interaction Database

[Top][Help]Interactions

Description ..........
  Product Interactant Other Gene Complex Source Pubs          
 
  NP_004314.3   NP_000035.2   AR      HPRD    PubMed
 
  NP_004314.3   NP_000624.1   BCL2      HPRD    PubMed
 
  NP_004314.3   BCLX   BCL2L1      HPRD    PubMed
 
  NP_004314.3   NP_000116.1   ESR1      HPRD    PubMed
 
  NP_004314.3   Heparin binding EGF like growth factor   HBEGF      HPRD    PubMed
BAG1 interacts with Hsp70.
  NP_004314.3      HSPA4      BIND    PubMed
 
  NP_004314.3   NP_006588.1   HSPA8      HPRD    PubMed
 
  NP_004314.3   Hepatocyte growth factor receptor   MET      HPRD    PubMed
 
  NP_004314.3   NP_000167.1   NR3C1      HPRD    PubMed
 
  NP_004314.3   PDGF receptor, beta   PDGFRB      HPRD    PubMed
 
  NP_004314.3   NP_055145.2   PPP1R15A      HPRD    PubMed
 
  NP_004314.3   NP_002798.2   PSMD1      HPRD    PubMed
 
  NP_004314.3   RAF1   RAF1      HPRD    PubMed
 
  NP_004314.3   NP_000955.1   RARA      HPRD    PubMed
 
  NP_004314.3   SIAH1   SIAH1      HPRD    PubMed
 
  NP_004314.3   NP_005852.1   STUB1      HPRD    PubMed
 
  NP_004314.3   Vitamin D receptor   VDR      HPRD    PubMed
 
  NP_004314.3   Proteasome 26 S        HPRD    PubMed
 
  NP_004314.3   Thyroid receptor        HPRD    PubMed
Affinity Capture-Western; Reconstituted Complex
  BioGRID:107049   BioGRID:106862   AR      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:107068   BCL2      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:108403   ESR1      BioGRID    PubMed
Affinity Capture-Western; Two-hybrid
  BioGRID:107049   BioGRID:108172   HBEGF      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:109535   HSPA1A      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:109540   HSPA4      BioGRID    PubMed
Affinity Capture-Western; Reconstituted Complex; Two-hybrid
  BioGRID:107049   BioGRID:109544   HSPA8      BioGRID    PubMed
Affinity Capture-Western; Reconstituted Complex
  BioGRID:107049   BioGRID:110308   MAPT      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:109165   NR3C1      BioGRID    PubMed
Affinity Capture-Western; Reconstituted Complex; Two-hybrid
  BioGRID:107049   BioGRID:117172   PPP1R15A      BioGRID    PubMed
Affinity Capture-Western; Reconstituted Complex; Two-hybrid
  BioGRID:107049   BioGRID:111831   RAF1      BioGRID    PubMed
Reconstituted Complex; Two-hybrid
  BioGRID:107049   BioGRID:111849   RARA      BioGRID    PubMed
Affinity Capture-Western
  BioGRID:107049   BioGRID:111860   RB1      BioGRID    PubMed
Affinity Capture-Western; Reconstituted Complex; Two-hybrid
  BioGRID:107049   BioGRID:112372   SIAH1      BioGRID    PubMed
Reconstituted Complex
  BioGRID:107049   BioGRID:115563   STUB1      BioGRID    PubMed
Phenotypic Suppression
  BioGRID:107049   BioGRID:113010   TP53      BioGRID    PubMed
Affinity Capture-Western; Phenotypic Enhancement; Phenotypic Suppression
  BioGRID:107049   BioGRID:113264   VDR      BioGRID    PubMed

[Top][Help]General gene information

Markers

RH18169(e-PCR)
Links: UniSTS:49964
A002S09(e-PCR)
Links: UniSTS:29234
RH69938(e-PCR)
Links: UniSTS:14412
STS-Z35491(e-PCR)
Links: UniSTS:68478
STS-S83171(e-PCR)
Links: UniSTS:38835
GDB:335751(e-PCR)
Links: UniSTS:156601
D9S1064E(e-PCR)
Links: UniSTS:151281
RH47281(e-PCR)
Links: UniSTS:85239

Homology

Homologs of the BAG1 gene The BAG1 gene is conserved in chimpanzee, dog, cow, mouse, and rat.


Map Viewer (Mouse, Rat)

[Top][Help]General protein information

Preferred Names
BCL2-associated athanogene
Names
BCL2-associated athanogene
BCL2-associated athanogene 1

[Top][Help]NCBI Reference Sequences (RefSeq)

RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

mRNA and Protein(s)

  1. NM_004323.4NP_004314.4  BCL2-associated athanogene isoform 1L

    Source sequence(s)
    AK096038,AL161445,BC073955,CR618366
    Consensus CDS
    CCDS35004.1
    Conserved Domains (2) summary
    cd01812
    Location:144220
    Blast Score: 203
    BAG1_N; BAG1_N N-terminal ubiquitin-like (Ubl) domain of the BAG1 protein. This domain occurs together with the BAG domain and is closely related to the Ubl domain of a family of deubiquitinases that includes Rpn11, UBP6 (USP14), USP7 (HAUSP).
    cl02539
    Location:246326
    Blast Score: 150
    BAG; BAG domain

RefSeqs of Annotated Genomes: Build 37.1

The following sections contain reference sequences that belong to a specific genome build. Explain

Genome Reference Consortium Human Build 37 (GRCh37), Primary_Assembly

Genomic

  1. NC_000009.11

    Range
    33252468..33264760, complement
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NT_008413.18 

    Range
    33242468..33254760, complement
    Download
    GenBank FASTA Sequence Viewer (Graphics)

Alternate assembly (Celera)

Genomic

  1. AC_000052.1

    Range
    33182606..33194898, complement
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NW_924062.1 

    Range
    33067125..33079417, complement
    Download
    GenBank FASTA Sequence Viewer (Graphics)

Alternate assembly (HuRef)

Genomic

  1. AC_000141.1

    Range
    33209375..33221666
    Download
    GenBank FASTA Sequence Viewer (Graphics)
  2. NW_001839149.2 

    Range
    2646554..2658845
    Download
    GenBank FASTA Sequence Viewer (Graphics)

[Top][Help]Related Sequences

  Nucleotide   Protein
  genomic   AL161445.10   CAH72516.1
       CAH72517.1
       CAH72518.1
       CAH72520.1
  genomic   AL356472.17   CAH72741.1
       CAH72742.1
       CAH72743.1
  genomic   CH471071.2   EAW58514.1
       EAW58515.1
       EAW58516.1
       EAW58517.1
  mRNA   AF022224.1   AAC34258.1
  mRNA   AF116273.1   AAD25045.1
  mRNA   AK093238.1   None
  mRNA   AK096038.1   None
  mRNA   AK222749.1   BAD96469.1
  mRNA   AK316577.1   None
  mRNA   BC001936.1   AAH01936.2
  mRNA   BC014774.1   AAH14774.2
  mRNA   BC073955.1   None
  mRNA   BG723775.1   None
  mRNA   CR600928.1   None
  mRNA   CR603873.1   None
  mRNA   CR605802.1   None
  mRNA   CR614940.1   None
  mRNA   CR618366.1   None
  mRNA   CR618567.1   None
  mRNA   U46917.1   AAD11467.1
  mRNA   Z35491.1   CAA84624.1
  other-genetic   AM392568.1   CAL37446.1
Protein Accession   Links
Q53H32   GenPept   UniProtKB/TrEMBL:Q53H32
Q5VZF1   GenPept   UniProtKB/TrEMBL:Q5VZF1
Q99933.3   GenPept   UniProtKB/Swiss-Prot:Q99933

[Top][Help]Additional Links

Gene LinkOut

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