Krill Protease Effects on Wound Healing After Corneal Alkali Burn

Cornea ◽  
1999 ◽  
Vol 18 (6) ◽  
pp. 707 ◽  
Author(s):  
Virender S. Sangwan ◽  
Esen Karamursel Akpek ◽  
Irene Voo ◽  
Tongzhen Zhao ◽  
Vakur Pinar ◽  
...  
Keyword(s):  
2017 ◽  
Vol 18 (3) ◽  
pp. 562 ◽  
Author(s):  
Fang Bian ◽  
Yangyan Xiao ◽  
Mahira Zaheer ◽  
Eugene Volpe ◽  
Stephen Pflugfelder ◽  
...  

2019 ◽  
Vol 6 (9) ◽  
pp. 3352-3358
Author(s):  
Yana Raetska ◽  
Viktor Dmytryk ◽  
Nataliia Chornenka ◽  
Tetiana Halenova ◽  
Nataliia Raksha ◽  
...  

Introduction: As a result of alkaline substances entering the esophagus wall, necrosis occurs, as well as destruction of the mucous, submucosal and muscular layers of the esophagus. The cellular immune system plays an important role in regulating the various phases of the wound healing process, during which, depending on the time and through specific adhesion interactions, polymorphonuclear leukocytes, macrophages, and lymphocytes penetrate the site of the trauma and lead to an intensive proliferation of fibroblasts, endothelial cells, and keratinocytes. The substances of natural origins based on polyphenolic compounds are possible as a remedy for the normalization of physiological and biochemical parameters in a condition of various pathologies. Phaseolus vulgaris pods extract (PVPE) are an example of a rich source of bioactive compounds with proven human health benefits. Our results revealed imbalance of pro-inflammatory and anti-inflammatory cytokines in esophageal homogenates in rats with alkali burn of esophagus II degree, which can indicate a prolonged inflammation in the burned area. In the groups of animals with the alkaline burn of the esophagus, that were injected extract there can be traced a change of the indicators in the direction of normalization, indicating about the therapeutic effect of aqueous extract of pods of Phaseolus vulgaris. Objective: The cellular immune system plays an important role in regulating the various phases of the wound healing process, and can be used as a marker of pathological post-burn wound healing, Phaseolus vulgaris pods extract (PVPE) are an example of a rich source of bioactive compounds with proven human health benefits. The aim of the study was to investigate changes in cytokines levels in rat esophageal supernatants in the condition of alkali burn esophagus second degree (AEB 2) and treatment with Phaseolus vulgaris pods extract. Material and Methods: The animals were experimentally simulated with the alkali esophageal burn with 20% (grade II) solvent of NaOH. Levels of cytokines in esophageal tissue homogenates were done by ELISA. Results: In the present study, we investigate the imbalance of pro-inflammatory and anti-inflammatory cytokines in esophageal homogenates in rats with AEB 2, which can indicate a prolonged inflammation in the burned area. In the groups of animals with the AEB 2, that were injected extract there can be traced a change of the indicators in the direction of normalization. Conclusion: The administration of the extract, in conditions of alkaline burn of the esophagus, contributes change of the indicators in the direction of normalization indicating the therapeutic effect of aqueous extract of pods of Phaseolus vulgaris.  


2020 ◽  
Vol 61 (12) ◽  
pp. 20
Author(s):  
Nora Y. Hakami ◽  
Gregory J. Dusting ◽  
Elsa C. Chan ◽  
Manisha H. Shah ◽  
Hitesh M. Peshavariya

2014 ◽  
Vol 11 (1) ◽  
pp. 461-467 ◽  
Author(s):  
JAE-WOOK YANG ◽  
SOUNG-MIN LEE ◽  
KYEONG-HEE OH ◽  
SAE-GWANG PARK ◽  
II-WHAN CHOI ◽  
...  

2000 ◽  
Vol 70 (3) ◽  
pp. 329-337 ◽  
Author(s):  
JAE SOON KIM ◽  
JAE CHAN KIM ◽  
BYOUNG KUK NA ◽  
JONG MOON JEONG ◽  
CHUL YONG SONG

2016 ◽  
Vol 41 (11) ◽  
pp. 1424-1432 ◽  
Author(s):  
Zhengri Li ◽  
Lian Cui ◽  
Jee Myung Yang ◽  
Hyo Seok Lee ◽  
Ji Suk Choi ◽  
...  
Keyword(s):  

Cornea ◽  
2019 ◽  
Vol 38 (11) ◽  
pp. 1430-1437 ◽  
Author(s):  
JianQiu Cai ◽  
Qingde Zhou ◽  
Zhitao Wang ◽  
Ruide Guo ◽  
Rongshuai Yang ◽  
...  

2019 ◽  
Vol 2019 ◽  
pp. 1-10
Author(s):  
Qiong Yi ◽  
Wen-jin Zou

Purpose. To evaluate the wound healing effect of doxycycline and its underlying mechanisms in a rat model of corneal alkali burn. Methods. Male SD rats were administered 1.0 N NaOH in the right cornea for 25 seconds and randomly divided into the doxycycline group and the control group, with 84 rats in each group. 1.0 g·L−1 doxycycline eye drops (doxycycline group) or vehicle (control group) was topically instilled onto the rat cornea after chemical injury. Three days, 7 days, and 14 days after alkali burn, microscopy was used to observe corneal wound healing by fluorescein staining and the degree of corneal opacity. The expression of transforming growth factor-beta 1 (TGF-β1) and matrix metalloproteinase-9 (MMP-9) was detected by RT-PCR and ELISA, alpha-smooth muscle actin (a-SMA) levels were measured by immunofluorescent staining, and Western blot assays for TGF-β1, a-SMA, and nuclear factor-kappa B (NF-κB) were also performed. Results. Corneal wound healing and corneal opacity scores were better in the doxycycline group than in the control group. Three, 7, and 14 days after corneal alkali burn, a significant increase in TGF-β1 was observed in corneas from the control group, compared with the corneas from the doxycycline group (P<0.05). The corneal levels of MMP-9 in the doxycycline group were lower than those in the control group 3 days and 7 days after alkali burn (P<0.05). In addition, doxycycline inhibited α-SMA expression and suppressed NF-κB expression. Conclusion. Doxycycline treatment promoted corneal healing and reduced corneal opacity in SD rats. Doxycycline protected the cornea from alkali burn injury by reducing TGF-β1, MMP-9, NF-κB, and α-SMA expression.


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