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Human YKL-39/CHI3L2 Gene ORF cDNA clone expression plasmid

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Human CHI3L2 cDNA Clone Product Information
NCBI RefSeq:BC011460
RefSeq ORF Size:1173bp
cDNA Description:Full length Clone DNA of Homo sapiens chitinase 3-like 2.
Gene Synonym:YKL39, YKL-39, CHI3L2
Species:Human
Vector:pCMV3-untagged
Plasmid:pCMV3-CHI3L2
Restriction Site:HindIII + XbaI (6.1kb + 1.17kb)
Tag Sequence:
Sequence Description:Identical with the Gene Bank Ref. ID sequence.
Sequencing primers:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Ampicilin
Antibiotic in mammalian cell:Hygromycin
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room temperature for three months.
Human CHI3L2 Gene Plasmid Map
Human CHI3L2 Gene cDNA Clone (full-length ORF Clone), expression ready, untagged
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Background

Chondrocyte protein 39 (YKL-39), also known as Chitinase 3-like 2 (CHI3L2), is a secretory protein of articular chondrocytes belonging to the glycosyl hydrolase 18 family. It highest expression is in chondrocytes, followed by synoviocytes, lung and heart. YKL-39/CHI3L2 is not detected in spleen, pancreas, and liver. YKL-39/CHI3L2 may also be expressed in developing brain and placenta. YKL-39/CHI3L2, a cartilage-related protein, is found to induce arthritis accompanied by pathologic changes in bone and cartilage. A better understanding of the immune response against cartilage-related components including YKL-39 may help to elucidate the pathological processes of arthritic disorders. Up regulation of YKL-39/CHI3L2 in osteoarthritic cartilage suggests that YKL-39/CHI3L2 may be a more accurate marker of chondrocyte activation than YKL-40, although it has yet to be established as a suitable marker in synovial fluid and serum. The decreased expression of YKL-40 by osteoarthritic chondrocytes is surprising as increased levels have been reported in rheumatoid and osteoarthritic synovial fluid, where it may derive from activated synovial cells or osteophytic tissue or by increased matrix destruction in the osteoarthritic joint. YKL-39 and YKL-40 are potentially interesting marker molecules for arthritic joint disease because they are abundantly expressed by both normal and osteoarthritic chondrocytes.

References
  • Sakata M, et al. (2002) YKL-39, a human cartilage-related protein, induces arthritis in mice. Clin Exp Rheumatol. 20(3): 343-50.
  • Areshkov PA, et al. (2010) Chitinase 3-like protein 2 (CHI3L2, YKL-39) activates phosphorylation of extracellular signal-regulated kinases ERK1/ERK2 in human embryonic kidney (HEK293) and human glioblastoma (U87 MG) cells. Tsitol Genet. 44(1): 3-9.
  • Steck E, et al. (2002) Enhanced expression of the human chitinase 3-like 2 gene (YKL-39) but not chitinase 3-like 1 gene (YKL-40) in osteoarthritic cartilage. Biochem Biophys Res Commun. 299(1): 109-15.
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    • Human CHI3L2 Gene cDNA Clone (full-length ORF Clone), expression ready, untagged
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