Increasing evidence reveals that the interaction between tumor cells and tumor-associated macrophages (TAMs) facilitates the progression of prostate cancer, but the related mechanisms remained unclear. This study determined how gankyrin, a component of the 19S regulatory complex of the 26S proteasome, regulates the progression and androgen deprivation therapy (ADT) resistance of prostate cancer through tumor cell-TAM interactions. functional experiments and subcutaneous tumor models were used to explore the biological role and molecular mechanisms of gankyrin in prostate cancer cell-TAM interactions.
View Article and Find Full Text PDFBackground: Metal screws are the most widely used in treating syndesmotic injuries, but failure and the rigidity of the screws can threaten the success of the treatment and increase the cost of care. We have provided an alternative with an olive wire and external fixator(OWEF) used for syndesmotic fixation.
Methods: A retrospective longitudinal follow-up study was conducted.
In contrast to the early acting bone morphogenetic protein 2, bone morphogenetic protein 7 (BMP7) plays a decisive role mainly in the late stages of bone formation. To overcome deactivation and degradation of expensive BMP7, we designed a novel long-acting BMP7 release system based on poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P34HB) nanoparticles to enable the induction of osteogenic differentiation in human adipose mesenchymal stem cells (ADSCs). In order to improve the encapsulation efficiency of BMP7 and avoid damage by organic solvents, BMP7 was modified and protected using the biosurfactant soybean lecithin.
View Article and Find Full Text PDFBackground: Glioblastoma has been seen as the most common malignancy of brain tumor. Emerging reports has claimed that SNHG29 (LRRC75A-AS1) was involved in several biological processes via modulation of signaling pathway, and served as an malignant facilitatorin osteosarcoma. However, the specific role of SNHG29 in glioblastoma remains unknown.
View Article and Find Full Text PDFRadiotherapy is the major treatment modality for malignant glioma. However, the treatment response of radiotherapy is suboptimal due to resistance. Here we aimed to explore the effect and mechanism of Mothers against decapentaplegic homologue (SMAD3) silencing in sensitizing malignant glioma to radiotherapy.
View Article and Find Full Text PDFWe present a flow cytometer on a microfluidic chip that integrates an inline lens-free holographic microscope. High-speed cell analysis necessitates that cells flow through the microfluidic channel at a high velocity, but the image sensor of the in-line holographic microscope needs a long exposure time. Therefore, to solve this problem, this paper proposes an S-type micro-channel and a pulse injection method.
View Article and Find Full Text PDFGlioma-Associated Oncogene Family Zinc Finger 2 (Gli2) seems to be the major nuclear effector of Sonic Hedgehog (SHH) signaling to regulate self-renewal and tumorigenic potential of Glioblastoma multiforme (GBM) cells. Three phosphorylated peptides derived from Gli2 were synthesized and combined with cell-penetrating peptide Tat-(47-57) (AYGRKKRRQRRR). Western Blot was applied to detect the phosphorylation level of Gli2 and cell division protein kinase 6 (CDK6) luciferase reporter was utilized to detect the transcriptional activator function of Gli2.
View Article and Find Full Text PDFBackground: Latest studies show that low-energy extracorporeal shock wave therapy (ESWT) can upregulate levels of vascular endothelial growth factor (VEGF). VEGF can ease nervous tissue harm after spinal cord injury (SCI). This study aims to explore whether low-energy ESWT can promote expression of VEGF, protect nervous tissue after SCI, and improve motor function.
View Article and Find Full Text PDFAim: In China, the incidence rates of glioma tend to be increased, however, the genetic contribution to its etiology is not well-understood. The aim of this study is to evaluate the association of XRCC1 Arg399Gln polymorphism with glioma risk in a Chinese population.
Materials And Methods: We conducted a case-control study on 387 patients with glioma and 400 cancer-free controls between 2004 and 2014.
Objective: To present the clinical characteristics and prognostic factors of neurologic recovery in patients with cervical spinal tuberculosis (CST).
Methods: General description and multivariate analysis were used to detect possible predictors of the outcome of patients with neurologic deficit. Follow-up data were used to generate a Kaplan-Meier curve of neurologic recovery.
Vertebral osteomyelitis caused by Aspergillus nidulans is rare and usually affects immunocompromised patients. This report presents a case of thoracic vertebral osteomyelitis with epidural abscesses due to A. nidulans in a 40-year-old immunocompetent female who presented with back pain, numbness and weakness of both lower limbs.
View Article and Find Full Text PDFZhonghua Yi Xue Za Zhi
July 2011
Objective: To study the utility of neuroendoscope-assisted surgery in the treatment of spinal dural arteriovenous fistulas.
Methods: From November 2008 to November 2010, 8 cases of spinal dural arteriovenous fistulas underwent neuroendoscope-assisted surgical treatment by a hemilaminectomy approach. Retrospective analyses were performed for their clinical manifestations, imaging findings, surgical approaches, postoperative recovery and follow-up profiles.
Study Design: A case report and review of previous literature are presented.
Objective: The objective of this manuscript was to report a case of pseudohypoparathyroidism (PHP) 1a simulating diffuse idiopathic skeletal hyperostosis and resulting in spinal cord compression, and discuss the pathogenesis of this disease.
Summary Of Background Data: Spinal cord compression due to PHP is not common, to the authors' knowledge, none of the previous reported cases simulated diffuse idiopathic skeletal hyperostosis.
Zhonghua Wai Ke Za Zhi
February 2010
Objectives: To study the relationship between promoter methylation and mRNA expressions of EMP3 and PCDH-gamma-A11 genes in human glioma, and to analyze the regulation mechanism of promoter methylation in the progression of glioma.
Methods: The promoter methylation of EMP3 and PCDH-gamma-A11 was studied by a methylation specific PCR in 88 primary astrocytoma, 10 normal brain tissues and 2 glioma cell lines. The mRNA expressions were detected by real-time PCR in 30 primary glioma and 10 normal brain tissues.
Study Design: A case report and review of previous literature are presented.
Objective: The objective of this manuscript was to report a case of cervical myelopathy caused by invaginated anomalous laminae of the axis in a spina bifida occulta patient with hypoplasia of the arch of the atlas and to discuss the etiology of this disease.
Summary Of Background Data: To the authors' knowledge, few cases of cervical myelopathy due to invaginated anomalous laminae of the axis have been reported, none of which is combined with hypoplasia of the arch of atlas.
The aerosol number concentration and size distribution were measured with the newly developed Wide-range Particle Spectrometer in summer and winter of 2006 at the urban site of Jinan City. Here reported the characteristics of fine particles of the different observation seasons. Relative high number concentrations for the particles in the diameter range of 10-500 nm were observed in both seasons.
View Article and Find Full Text PDFZhonghua Yi Xue Za Zhi
January 2007
Objective: To study the methylation status of the SLC5A8 and TMS1/ASC genes, candidate tumor-inhibiting genes closely related to the central nervous system, in the promoter regions, the mRNA expression of these 2 genes, and their correlation with the clinical characteristics in human glioma.
Methods: The methylation status of SLC5A8 and TMS1/ASC genes in the promoter regions was studied by methylation specific PCR (MSP) in the specimens of primary astrocytoma from 88 patients, 55 males and 33 females, aged 12 - 81, and 10 specimens of normal brain tissue, all obtained during operation, and in the human glioma cells of the lines U251 and SHG-44. The mRNA expression levels of SLC5A8 and TMS1/ASC genes in 30 specimens of primary glioma and 10 specimens of normal brain tissue were determined by conventional RT-PCR and real-time PCR.
LATS1 and LATS2 are tumor suppressor genes implicated in the regulation of cell cycle, but their methylation statuses are still unknown in human astrocytoma. Here, we found that the promoter hypermethylation frequencies of LATS1 and LATS1 were 63.66% (56/88) and 71.
View Article and Find Full Text PDFDNA repair systems act to maintain genome integrity in the face of replication errors, environmental insults, and the cumulative effects of age. The mRNA expressions of 27 genes of the DNA repair system as well as their correlation with the clinical characteristics were studied in human astrocytoma. We applied TaqMan low-density array to investigate the mRNA expressions of 27 DNA repair genes in 40 astrocytoma tissues (10 of grade II, 10 of grade III, and 20 of grade IV, according to the WHO Grading System).
View Article and Find Full Text PDFObjective: To probe the incidence, pathogenesis and clinical characteristics of traumatic subdural hydroma (TSH) developing into chronic subdural hematoma (CSDH).
Methods: We retrospectively analyzed the clinical data of 32 patients with TSH developing into CSDH and reviewed related literature.
Results: 16.
Objective: To study the survival ability of cerebellar cells and genetically modified cells transplanted in the brains of mice and monkeys and whether the transplanted neurons correct and improve the cerebral function disorders.
Methods: Suspension of cerebellar tissue from 13-day-old C57BL/6 mouse embryos was transplanted into the cerebellum of 3-month-old BALB/c mice with Purkinji cell degeneration. Since one week after the transplantation, six mice were killed every week till the 8(th) week to examine the cerebellar tissue by immunohistochemistry.
Objective: To probe into the incidence, mechanism and clinical characteristics of chronic subdural hematoma (CSDH) evolving from traumatic subdural effusion (TSE).
Methods: The clinical materials of 32 patients with CSDH evolving from TSH were analyzed retrospectively and the correlative literature was reviewed.
Results: 16.