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Table 1 Primers used for quantitative real-time PCR analysis of tight junction-related genes

From: Cudrania tricuspidata leaf extracts and its components, chlorogenic acid, kaempferol, and quercetin, increase claudin 1 expression in human keratinocytes, enhancing intercellular tight junction capacity

Gene

 

Primer sequence (5′ to 3′)

Product size (bp)

Annealing temp. (°C)

ZO-1

F

R

AGA GCA CAG CAA TGG AGG AA

GAC GTT TCC CCA CTC TGA AA

133

58

Occludin

F

R

TTT GTG GGA CAA GGA ACA CA

ATG CCA TGG GAC TGT CAA CT

137

58

Claudin 1

F

R

GCA GAT CCA GTG CAA AGT CT

CAT ACA CTT CAT GCC AAC GG

136

58

Claudin 4

F

R

CGC ATC AGG ACT GGC TTT AT

AGT TGA GGA CCT GGA AGG CT

131

58

Claudin 6

F

R

GGC CCT CTG AGT ACC CTA CC

GCA GGA GGC AGA AAC AAA AG

136

58

Claudin 8

F

R

GGC TGT TTC TTG GTG GTG TT

CAC GCA ATT CAT CCA CAG TC

137

58

β-Actin

F

TCA CCC ACA CTG TGC CCA TCT ACG A

295

58

R

CAG GGG AAC CGC TCA TTG CCA ATG G