Recombinant Human Lysosome-associated membrane glycoprotein 2(LAMP2)

1. Knockdown of key autophagy proteins in combination with sunitinib showed similar effect as chloroquine. Sunitinib also induced lysosomal membrane permeabilization, which further increased in the presence of chloroquine or knockdown of lysosome-associated membrane protein (LAMP2). Both combinations led to cell death PMID: 28729403
2. Results demonstrated that LAMP2 expression levels correlated with tumor histological differentiation and TNM stages. PMID: 28453465
3. Since effective regimens are readily available timely psychiatric evaluation is warranted in all newly diagnosed subjects with LAMP2 mutations, regardless of whether they show the typical Danon disease medical (cardiac) symptoms or not. PMID: 28627787
4. identified LAMP-2 as an endocytic receptor on monocyte-derived dendritic cells (MoDC) that routes cargo into unusual Ag processing pathways, which reduces surface expression of Ag-derived peptides while selectively enriching Ag within immunogenic exosome; this novel pathway has implications for the initiation of immune responses both locally and at distant sites PMID: 28607115
5. The results provide a new insight that LAMP-2 contributes to the ROS clearance and cell death induced by Zn(2+) treatment, which would help us to get a better understanding of Zn(2+)-induced toxicity in respiratory system. PMID: 28483530
6. overexpression assists neuroendocrine differentiation of prostate cancer cells induced by serum deprivation and facilitates autophagy activity PMID: 27627761
7. Genetic analysis identified 2 novel LAMP2 gene mutations. In Family A, a G-A transition (c.962G > A) leading to a nonsense mutation at codon 321 (p.Trp321Ter), and in Family B, a one-nucleotide insertion (c.973insC) leading to a full frame-shift (p.Pro324+24X) was detected in exon 8 of the LAMP2 gene. PMID: 27179547
8. intracellular Salmonella recruit the host proteins LAMP-2A and Hsc73, key components of the host protein turnover pathway known as chaperone-mediated autophagy involved in transport of cytosolic proteins to the lysosome for degradation. PMID: 27932462
9. 3 novel nonsense mutations (p.Q240X, p.S250X, and p.G22X) were found in LAMP2 associated with early onset Danon disease with hypertrophic cardiomyopathy. LAMP2 expression was absent in both cardiac and skeletal muscle samples of the first proband and severely decreased LAMP2 expression in the skeletal muscle samples of the second proband. PMID: 27460667
10. Collectively, the present study shows that impaired Lamp2a expression in hepatocellular carcinoma contributes to tumor cell viability and promotes tumor growth and recurrence. PMID: 27840904
11. Increased expression of LAMP2 has been observed in peripheral blood mononuclear cells of coronary artery disease patients compared to the control group. PMID: 27923262
12. Knockdown of LAMP2A, a CMA-related protein, and TSG101, an mA-related protein, significantly but only partially decreased the punctate accumulation of GAPDH-HT in AD293 cells and primary cultured rat cortical neurons. PMID: 27377049
13. miR-487b-5p regulates temozolomide resistance of lung cancer cells through LAMP2-mediated autophagy. PMID: 27097129
14. Up-regulation of LAMP2 is associated with carcinogenesis and progression of Salivary Adenoid Cystic Carcinoma. PMID: 26350055
15. In our study of the EOG in Danon disease, we show for the first time to our knowledge that a LAMP2 mutation may cause a primary retinal pigment epitheliopathy. PMID: 26398689
16. LAMP-2C serves as a natural inhibitor of chaperone-mediated autophagy that can selectively skew MHCII presentation of cytoplasmic antigens PMID: 26856698
17. In the early stages of Parkinson's disease, with LAMP2A selectively reduced in association with increased alpha-synuclein, and decreased levels of heat shock cognate protein 70. PMID: 25594542
18. This study showed that LAMP2 upregulation occurs in vitro and in vivo in neoplastic cells. PMID: 26658462
19. Down-regulation of LAMP2A expression could inhibit cell proliferation in multiple myeloma cells PMID: 25940285
20. Data show thart lysosome-associated membrane protein type 2a (LAMP-2A) forms a coiled coil helix trimer in n-dodecylphosphocholine micelle, and protein substrates interact with its cytosolic tail. PMID: 25342746
21. LAMP2 has a role in differentiation of primary biliary cirrhosis PMID: 24007661
22. Patient B harbored a frame-shift deletion mutation in exon 3 (c.396delA) leading to a truncated LAMP2 protein PMID: 24691104
23. down-regulation of LAMP2A could reduce the resistance of breast cancer cells to paclitaxel PMID: 24721399
24. LAMP2 is investigated as a marker of Epstein-Barr virus-mediated B lymphocyte transformation in lysosomal storage diseases. PMID: 24068328
25. Autoantibodies to hLAMP-2 that bind native glomerular but not neutrophil hLAMP-2 are found in patients with ANCA-negative pauci-immune focal necrotizing glomerulonephritis. PMID: 24203998
26. These data support a positive relationship between anti-LAMP-2 antibody and cutaneous vasculitis. PMID: 23704322
27. Decreased levels of the chaperone-mediated autophagy proteins LAMP-2A and hsc70 (CMA) in Parkinson's disease brain samples suggests compromised alpha-synuclein degradation by CMA and may underpin the Lewy body pathology. PMID: 23492776
28. indicate that monoclonal antibodies specific to CD107a (LAMP-1) or CD107b (LAMP-2) enhanced LPS-induced IL-8 secretion of THP-1 cells. PMID: 23603048
29. expression of LAMP2A was observed in breast tumor tissues of all patients under investigation, suggesting a survival mechanism via chaperone-mediated autophagy and LAMP2A. PMID: 22874552
30. Studies suggest that Hsc70 and lysosome-associated protein 2A (LAMP-2A) through chaperone-mediated autophagy (CMA) play a role in the clearance of Htt and suggest a novel strategy to target the degradation of mutant huntingtin (Htt). PMID: 23071649
31. There is a progressive, age-related decrease of LAMP-2 gene expression in the peripheral leukocytes of healthy subjects, indicating a trend of decreasing autophagy activities with aging. PMID: 22732524
32. variants within LAMP-2 gene promoter may be linked to Parkinson disease. PMID: 22867958
33. findings indicated that patients with Danon disease caused by mutations in exon 1 - 8 manifested as a typically severe phenotype, while patients with mutations in exon 9 of the LAMP2B isoform presented with a relatively benign phenotype PMID: 22541782
34. A novel LAMP2 mutation (c.940delG) in Danon disease patients, which results in a putatively truncated protein. PMID: 22365987
35. decreased LAMP-2 gene expression and increased LC3 gene expression may contribute to the pathogenesis of sporadic Parkinson's disease PMID: 21514572
36. Peripheral leukocyte LAMP-2 expression is significantly inceased in coronary artery disease. PMID: 21462217
37. intrafamilial phenotypic variability in Danon disease is related to a novel LAMP-2 mutation PMID: 21161685
38. gene deficient B cells exhibit altered MHC class II presentation of exogenous antigens PMID: 20518820
39. Lysosome-associated membrane protein (LAMP2) cardiomyopathy is an X-linked and highly progressive myocardial storage disorder associated with diminished survival, which clinically resembles sarcomeric hypertrophic cardiomyopathy. PMID: 20920663
40. The LAMP2 microdeletion mechanism appears to involve 1 Alu-mediated unequal recombination and 2 chromosomal breakage points involving TA-rich repeat sequences. PMID: 20173215
41. Danon disease is caused by deficiency of lysosome-associated membrane protein-2 (LAMP-2). PMID: 20513107
42. Data show that the BCG phagosome is relatively depleted in LAMP-2, NPC1, flotillin-1, vATPase, and syntaxin 3. PMID: 19815536
43. This studu showed decreased LAMP2 expression in the sketal muscle in female patient with Danon disease. PMID: 14561493
44. The glycogen-storage cardiomyopathy produced by LAMP2 or PRKAG2 mutations resembles hypertrophic cardiomyopathy but is distinguished by electrophysiological abnormalities PMID: 15673802
45. role for the lysosomal Lamp-2a-hsc70 complex in promoting immunological recognition and antigen presentation PMID: 15894275
46. LAMP2 mutations may account for significant proportion of cases of hypertrophic cardiomyopathy children, especially when skeletal myopathy and/or Wolff-Parkinson-White syndrome is present. Danon disease may be underrecognized in pediatric cardiology. PMID: 16144992
47. Our report further expands the phenotype of Danon disease by describing retinopathy in 3 cases. A thorough clinical examination, including ophthalmic investigation, is needed in all cases of Danon disease. PMID: 17296900
48. The biopsied muscle specimen stained for LAMP2 and confirmed the diagnosis of vacuolar myopathy with dilated cardiomyopathy. PMID: 17873513
49. Analysis of the lysosome-associated membrane protein-2 (LAMP-2) gene detected a novel mutation, confirming a diagnosis of Danon disease. PMID: 17899313
50. A new intronic mutation in the LAMP2 gene in French Candian family leading to out frame skppin of exon 7 in Dannon disease. PMID: 18004770

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HGNC: 6501

OMIM: 300257

KEGG: hsa:3920

UniGene: Hs.496684