Biomed Pharmacother
December 2023
Neurological disorders affect a large population, often leading to different levels of disability and resulting in decreased quality of life. Due to the limited recovery obtained from surgical procedures and other medical approaches, a large number of patients with prolonged dysfunction receive neurorehabilitation protocols to improve their neural plasticity and regeneration. However, the poor neural regeneration ability cannot effectively rebuild the tissue integrity and neural functional networks; consequently, the prognoses of neurorehabilitation remain undetermined.
View Article and Find Full Text PDFCorneal tissue engineering has developed rapidly in recent years, with a large number of publications emerging worldwide. This study focused on exploring the global status and research trends in this field. Publications related to corneal tissue engineering from 1991 to 2021 were acquired from the Science Citation Index-Expanded (SCI-Expanded) of Web of Science (WoS).
View Article and Find Full Text PDFCalcium oxalate (CaOx) crystals can activate autophagy, causing damage to renal tubular epithelial cells (TECs). Puerarin has been shown to have protective and therapeutic effects against a variety of diseases by inhibiting autophagy activation. However, the protective effect of puerarin against CaOx crystals and the underlying molecular mechanisms are unclear.
View Article and Find Full Text PDFAims: The role of N,N-dimethylformamide (DMF) in diabetes-induced osteoporosis (DM-OS) progression remains unclear. Here, we aimed to explore the effect of DMF on DM-OS development.
Methods: Diabetic models of mice, RAW 264.
Rationale: Intracranial yolk sac tumors (YSTs) are rare malignancies with limited treatment options and a dismal prognosis. They are usually managed with surgical resection and chemoradiotherapy.
Patient Concerns: Here, we report a patient with primary YST in the pineal region who achieved long term survival.
Dorsal root ganglion (DRG) neurons, which are sensitive to oxidative stress due to their anatomical and structural characteristics, play a complex role in the initiation and progression of diabetic bladder neuropathy. We investigated the hypothesis that the antioxidant and antiapoptotic effects of CGRP may be partly related to the expression of Nrf2 and HO-1, via the phosphatidylinositol 3-kinase (PI3K)/AKT pathway, thus reducing apoptosis and oxidative stress responses. This study shows that CGRP activates the PI3K/AKT pathway, thereby inducing increased expression of Nrf2 and HO-1 and resulting in the decrease of reactive oxygen species and malondialdehyde levels and reduced neuronal apoptosis.
View Article and Find Full Text PDFPeroxisome proliferator-activated receptor- (PPAR-) is a ligand-dependent transcription factor, and it has become evident that PPAR- agonists have renoprotective effects, but their influence and mechanism during the development of calcium oxalate (CaOx) nephrolithiasis remain unknown. Rosiglitazone (RSG) was used as a representative PPAR- agonist in our experiments. The expression of transforming growth factor-1 (TGF-1), hepatocyte growth factor (HGF), c-Met, p-Met, PPAR-, p-PPAR- (Ser112), Smad2, Smad3, pSmad2/3, and Smad7 was examined in oxalate-treated Madin-Darby canine kidney (MDCK) cells and a stone-forming rat model.
View Article and Find Full Text PDFAims: To examine the protective effects of caffeine in rats with diabetes mellitus (DM) by using urodynamics.
Methods: Female Sprague-Dawley rats (n = 24) were divided into four groups: control group, DM group, DM + caffeine (5 mg/kg/day), and DM + caffeine (10 mg/kg/day). DM was induced by streptozotocin (STZ).
Spinal cord injury (SCI) from trauma or disease severely impairs sensory and motor function. Neurorehabilitation after SCI is a complex medical process that focuses on improving neurologic function and repairing damaged connections in the central nervous system. An increasing number of preclinical studies suggest that melatonin may be useful for the treatment of SCI.
View Article and Find Full Text PDFInterv Neuroradiol
April 2018
Vertebral artery origin anomalies are typically incidental findings during angiography. We present an extremely rare variant in which the right vertebral artery has a double origin from the right subclavian artery and right common carotid artery in association with an aberrant right subclavian artery, which has never been reported before.
View Article and Find Full Text PDFBackground: Ultrasonic and electrosurgical energy dissectors are main dissecting devices widely used for the laparoscopic cholecystectomy. Trial sequential analyses can establish whether firm evidence favoring a specific device has been reached from accumulated literature. To explore this, we performed a meta-analysis and trial sequential analyses.
View Article and Find Full Text PDFGuang Pu Xue Yu Guang Pu Fen Xi
June 2016
In order to study the feasibility of using digital image analysis and machine learning algorithm to estimate leaf nitrogen accumulation (LNA) of winter wheat at canopy level, digital images of winter wheat canopies grown under six levels of nitrogen application rate were taken for four times during the elongation stage. Meanwhile, wheat plants were sampled to measure LNA. The random forest method using CIEL*a*b* components was used to segment wheat plant from soil background and then extract canopy cover, RGB components of sRGB color space and compute five color indices derived from RGB components.
View Article and Find Full Text PDFGuang Pu Xue Yu Guang Pu Fen Xi
December 2015
Digital image analysis has been widely used in non-destructive monitoring of crop growth and nitrogen nutrition status due to its simplicity and efficiency. It is necessary to segment winter wheat plant from soil background for accessing canopy cover, intensity level of visible spectrum (R, G, and B) and other color indices derived from RGB. In present study, according to the variation in R, G, and B components of sRGB color space and L*, a*, and b* components of CIEL* a* b* color space between wheat plant and soil background, the segmentation of wheat plant from soil background were conducted by the Otsu's method based on a* component of CIEL* a* b* color space, and RGB based random forest method, and CIEL* a* b* based random forest method, respectively.
View Article and Find Full Text PDFGuang Pu Xue Yu Guang Pu Fen Xi
September 2015
The objective of this study was to evaluate the feasibility of using color digital image analysis and back propagation (BP) based artificial neural networks (ANN) method to estimate above ground biomass at the canopy level of winter wheat field. Digital color images of winter wheat canopies grown under six levels of nitrogen treatments were taken with a digital camera for four times during the elongation stage and at the same time wheat plants were sampled to measure above ground biomass. Canopy cover (CC) and 10 color indices were calculated from winter wheat canopy images by using image analysis program (developed in Microsoft Visual Basic).
View Article and Find Full Text PDFIntimin harboured by pathogenic Escherichia coli (E. coli) strains is a key virulence factor involved in host cell adherence and colonization. Twenty-seven intimin-encoding E.
View Article and Find Full Text PDFAllelochemicals released from root exudates or decaying residues of plants play diversified roles in ecological interactions of plant-pathogen. The objective of this work was to evaluate the allelopathic effect of an externally supplied tannic acid on soil-borne in vitro Fusarium oxysporum f. sp.
View Article and Find Full Text PDFBackground: Biliary duct injury (BDI) is one of the most common complications in laparoscopic cholectecystomy (LC), in this study, we have tried to place an illuminating optical fiber via endoscopy in the CBD during LC, the biliary duct anatomy can be clearly delineated, thus CBD injury is avoided.
Methods: Sixteen patients with chronic cholecystitis or/and cholelithiasis from February 2007 to June 2008 were performed LC with placement of optical fiber in CBD, the fiber with cold light illuminates the whole extrahepatic biliary system. Three 6-mm titanium clips were applied to the soft tissue surrounding the hepatic duct, CBD and the cystic duct confluence with CBD, respectively; one titanium clip was applied to the surface of cystic duct near the infundibulum of gallbladder.
Zhonghua Wei Chang Wai Ke Za Zhi
January 2009
Objective: To inquire into the diagnostic significance of cytokeratin 19(CK19) and cytokeratin 20(CK20) expression on hematogenous micrometastasis of colorectal cancer.
Methods: Forty-four patients with colorectal cancer were collected as colorectal cancer groups, and another 18 patients treated with abdominal surgical operations because of benign diseases were collected as benign disease group. Blood of all the patients was harvested from their portal and peripheral veins, and CK19 and CK20 levels in the blood were determined by RT-PCR.
Zhong Nan Da Xue Xue Bao Yi Xue Ban
August 2004
Objective: To explore the techniques of RTIP-fMRI scanning and the correspondence between structure and functional changes of motor cortex during self-paced finger movements by RTIP-fMRI in normal volunteers.
Methods: The 15 healthy volunteers were studied by RTIP-fMRI, and the activation tasks consisted of self-paced finger movements performed with the right and the left hands. Image postprocessing was done on the workstation by "correlation coefficient" algorithm analysis method, IAC and SPM software.