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McNAMARA et al., Exp Eye Res 1999
:
LPS extracted from the bacterial culture supernatant was used to demonstrate that upregulation of
hBD-2 is
caused by
LPS
Becker et al., J Biol Chem 2000
:
Thus,
LPS induction of
hBD2 in hTBE cells requires CD14, which may complex with a TLR to ultimately activate NF-kappa B
Tomita et al., Nihon Ronen Igakkai Zasshi 2001
(Klebsiella Infections...) :
It has been shown that
LPS induced expression of
hBD-2 in human tracheobronchial epithelial cells requires CD14, which may complex with Toll-like receptors ( TLRs ) to ultimately activate NF-kappa B
Tsutsumi-Ishii et al., J Leukoc Biol 2002
:
Here, we investigated
lipopolysaccharide (LPS) mediated transcriptional regulation of the
hBD-2 gene by focusing on the roles of NF-kappa B, STAT, and NF-IL-6 sites in mononuclear phagocytes using RAW264.7 cells, which are sensitive to LPS ... In contrast, neither the NF-IL-6 nor STAT binding site was required for
LPS induced
hBD-2 transcription ... Together, these observations indicate that NF-kappa B plays an important role in the regulation of
hBD-2 gene expression in
response to
LPS
Nitschke et al., Exp Nephrol 2002
:
Coincubation of the cultured cells with IL-1alpha or E. coli promote the strongest hbd-2 induction whereas TNF-alpha and
LPS lead to a weaker or no ( IL-6 )
hbd-2 induction
Tomita et al., Respirology 2002
:
Using a human airway cell line ( LC-2/ad ),
lipopolysaccharide (LPS) induced gene expression of
hBD-2 was studied in the absence or the presence of ( i ) dexamethasone, ( ii ) inhibition of NF-kappaB and AP-1, ( iii ) intracellular calcium chelator, and ( iv ) cyclooxygenase (COX) inhibitors ... However, COX inhibitors had no effect on
LPS induced mRNA expression of
hBD-2
Chadebech et al., Cell Biol Toxicol 2003
:
Use of human reconstructed epidermis to analyze the regulation of beta-defensin hBD-1,
hBD-2 , and hBD-3 expression in
response to
LPS
Vora et al., J Immunol 2004
:
The
effect of
LPS and peptidoglycan on
beta-defensin-2 expression was examined in IEC lines constitutively or transgenically expressing TLRs. Regulation of beta-defensin-2 was assessed using promoter-reporter constructs of the human beta-defensin-2 gene ... In addition, inhibition of Jun kinase prevents up-regulation of
beta-defensin-2 protein expression in
response to
LPS
Mineshiba et al., FEMS Immunol Med Microbiol 2005
:
Our results suggest that the two NF-(kappa)B binding sites contribute to
LPS mediated
hBD-2 transcription while the NF-IL6 binding site represses LPS independent hBD-2 transcription in the HeLa cells
Nagy et al., Microbes Infect 2006
:
We found that, in vitro, P. acnes type IA and IB isolates and
LPS induced human
beta-defensin-2 and proinflammatory cytokine/chemokine expression, and influenced sebocyte viability and differentiation
Chen et al., Zhejiang Da Xue Xue Bao Yi Xue Ban 2006
:
The expression of
hBD-2 gene can be
induced by
LPS.IL-10 inhibits the inducible expression of hBD-2
Veerayutthwilai et al., Oral Microbiol Immunol 2007
(Dental Caries) :
LPS up-regulated IL-1beta, tumor necrosis factor-alpha (TNF-alpha), CCL20,
hBD2 , IL-8, TLR2 and TLR4 ; however, Pam3CSK4 down-regulated these mRNAs