Bing Z.,Zhengzhou University |
Linlin L.,Center for Reproduction |
Jianguo Y.,Basic Medical College |
Shenshen R.,Zhengzhou University |
And 2 more authors.
Molecular Biology Reports | Year: 2012
The occurrence of PFD is closely related with elasticity, toughness, and functional changes of the connective tissue of the pelvic support tissue. This study aims to evaluate the effect of mechanical stretch on the differentiation of BMSCs with a co-culture with pelvic ligament fibroblasts. BMSCs was isolated and identified from 7 day SPF SD rats. Rat pelvic ligament fibroblasts were obtained from rat pelvic ligament. The fourth passage of fibroblasts was subjected to 10% deformation with 1 Hz, 12 h periodic one-way mechanical stretch stimulation, and the cells were then co-cultured with BMSCs. The longer co-culture and co-culture with mechanical stretch (i.e. 6 and 12 days) induced more expression of elastin, LOX, and Fibulin-5, compared to the groups without stimulation. Compared to co-culture group each, Co-culture with mechanical stretch stimulation group induced significant expression of elastin, LOX, and Fibulin-5, both in 3, 6 and 12 days co-culture groups (P<0.05). However, there were no significant differences among 3, 6, and 12 days control groups. These results suggest that in an indirect co-culture system, pelvic ligament fibroblasts with mechanical stretch stimulation can promote BMSCs differentiation, reflecting in the increased expression of elastin, LOX, and Fibulin-5. © Springer Science+Business Media B.V. 2011.
Bai R.-X.,Inner Mongolia Agricultural University |
Zhao P.-W.,Inner Mongolia Agricultural University |
Zhao P.-W.,Basic Medical College |
Cao G.-F.,Inner Mongolia Agricultural University |
Cao G.-F.,Veterinary College
Indian Journal of Animal Sciences | Year: 2013
The relationship between ghrelin and the expression of Bcl-2 and Bax was investigated. The result showed that ghrelin can regulate the expression of Bcl-2 and Bax. And ghrelin can promote ovine oocytes maturation in vitro. This maybe a good pathway to promote the animal production.
Huang L.-L.,Anhui Medical University |
Huang L.-L.,CAS Hefei Institutes of Physical Science |
Pan C.,Lishui Peoples Hospital |
Wang L.,Anhui Medical University |
And 6 more authors.
Journal of Nutritional Biochemistry | Year: 2015
Cardiovascular remodeling, as a hallmark of hypertension-induced pathophysiology, causes substantial cardiovascular morbidity and mortality. There is increasing evidence that has demonstrated a broad spectrum of pharmacological and therapeutic benefits of grape seed proanthocyanidins (GSP) against oxidative stress and cardiovascular diseases. In this study, 180- to 200-g SD rats treated with DOCA (120 mg/week sc with 1% NaCl and 0.2% KCl in drinking water) and GSP (150, 240, 384 mg/kg) or amlodipine (ALM) (5 mg/kg) for 4 weeks were recruited. The protective effects of GSP on blood pressure and cardiovascular remodeling in rats with DOCA-salt-induced hypertension were investigated. Our results indicated that DOCA-salt could induce hypertension, cardiovascular remodeling and dysfunction, oxidative stress and the release of endothelin-1 (ET-1) and could increase JNK1/2 and p38MAPK phosphorylation. GSP or ALM treatments significantly improved hypertension, cardiovascular remodeling and dysfunction and oxidative stress, restrained the release of ET-1 and down-regulated the JNK1/2 and p38MAPK phosphorylation. These findings demonstrate that GSP has protective effects against increase of blood pressure induced by DOCA-salt hypertension and cardiovascular remodeling by inhibiting the reactive oxygen species/mitogen-activated protein kinase pathway via restraining the release of ET-1. © 2015 Elsevier Inc.
Su W.,Basic Medical College |
Liu X.,China Medical University at Heping
Journal of Molecular Endocrinology | Year: 2013
In mammalian testes, the blood-testis barrier (BTB), created by specialized junctions between Sertoli cells near the basement membrane of the seminiferous epithelium, provides an indispensable immune-privileged microenvironment for spermatid development. However, the BTB must experience restructuring during the epithelial cycle to facilitate the transit of preleptotene spermatocytes upon the testosterone-induced new TJ fibrils forming behind these cells, which is intimately related to the extensive dynamics of junction protein complexes between Sertoli cells. As key regulators of protein traffic, Rab GTPases participate in delivery of proteins between distinct cellular sites and cross talk with proteins that constitute tight junction and adherens junction. Using primarily cultured Sertoli cells in vitro with an established tight junction permeability barrier that mimics the BTB in vivo, RAB13 was shown to decrease during the testosterone-induced TJ integrity enhancement, accompanied with an increment in protein kinase A (PKA) activity. Furthermore, knockdown of Rab13 was found to resemble the effect of testosterone on Sertoli cell TJ permeability by reinforcing filamentous actin and occludin distribution at the cell-cell interface and promoting the direct interaction between ZO-1 and occludin. Interestingly, the effects of testosterone and Rab13 knockdown on Sertoli cell epithelium were revealed to be antagonized by PKA activity inhibition. In summary, RAB13 serves as a regulatory component in the assembly and restructuring of the TJ fibrils between adjacent Sertoli cells. © 2013 Society for Endocrinology Printed in Great Britain.
Li N.,Basic Medical College
World Chinese Journal of Digestology | Year: 2015
AIM: To observe the clinical effects of Chinese medicine rectal instillation therapy combined with Western medicine in treating cholestatic infancy hepatitis syndrome and its effect on blood biochemical parameters. METHODS: Eighty-three patients diagnosed with cholestatic infancy hepatitis syndrome were randomized into either a treatment group (n = 42) or a control group (n = 41). The control group was treated with Western medicine alone, and the treatment group was given traditional Chinese medicine rectal instillation therapy combined with Western medicine. The treatment lasted 6 weeks. After treatment, serum total bilirubin (TBIL), direct bilirubin (DBIL), alkaline phosphatase (ALP), alanine aminotransferase (ALT), total bile acid (TBA), gamma-glutamyl transpeptidase (GGT), CMVIgM negative conversion rate, and liver size were compared between the two groups. RESULTS: The effective rate and CMV-IgM negative conversion rate were significantly higher in the treatment group than in the control group (P < 0.05). After 6 wk of treatment, the levels of ALT, TBA, ALP, TBIL, DBIL and GGT in both groups improved significantly (P < 0.05), and were dramatically lower in the treatment group than in the control group (P < 0.05). The liver size in the treatment group was significantly decreased compared with the control group (P < 0.05). The time to jaundice disappearance was significantly shorter in the treatment group than in the control group (P < 0.05). CONCLUSION: Chinese medicine rectal instillation therapy combined with Western medicine can reduce the levels of ALT, TBA, ALP, TBIL, DBIL and GGT, and improve the anti-CMV-IgM negative conversion rate in patients with cholestatic infant hepatitis syndrome. © 2015 Baishideng Publishing Group Inc. All rights reserved.