Comparative Efficacy and Acceptability of Endoscopic Methods for Rectal Neuroendocrine Neoplasms with Low Malignant Potential: A Network Meta-analysis.

Background/aims:  Although endoscopic resection is an effective treatment of rectal neuroendocrine neoplasms (R-NENs) with low malignant potential, there is no consensus on the most recommended endoscopic method. This study aimed to assess the efficacy and acceptability of different endoscopic treatments for R-NENs with low malignant potential.

Materials And Methods:  We searched databases for studies on treatments of R-NENs using endoscopic resection.

Digital coding Fano resonance based on active plasmonic metamaterials.

A novel approach that employs active plasmonic metamaterials to create a digital coding Fano resonator is proposed, to the best of our knowledge. The meta-device consists of three concentric spoof localized surface plasmon (LSP) resonators and three positive-intrinsic-negative (PIN) diodes positioned at three slits located in the middle and inner LSP resonators. Four Fano resonant modes can be independently switched by controlling the biased voltage applied to the three diodes.

Predictive Factors and Nomogram to Evaluate the Risk of Symptomatic Intracerebral Hemorrhage for Stroke Patients Receiving Thrombectomy.

Background: Symptomatic intracerebral hemorrhage (sICH) is a severe complication of mechanical thrombectomy (MT). This study is to identify predictive factors and create a nomogram to evaluate the risk of sICH after MT treatment.

Methods: We conducted a retrospective analysis on 127 consecutive stroke patients treated by MT therapy.

[Color quantification and evaluation of landscape aesthetic quality for autumn landscape forest based on visual characteristics in subalpine region of western Sichuan, China].

Evaluation of landscape aesthetic quality is a key step in the management system of forest resource. Color is an important component of autumn landscape forest, and quantitative analysis of color and scientific evaluation of landscape aesthetic quality are important for the management of autumn landscape forest. We assessed the aesthetic quality of autumn landscape forest using scenic beauty estimation and analyzed the effects of color characteristics on ornamental value of autumn landscape forest based on color composition and color spatial pattern according to human's visual characteristics.

Selective amplification of spoof localized surface plasmons.

Here, selective amplification of spoof localized surface plasmons (LSPs) has been demonstrated, where two coupling stubs gathering energies from the spoof LSPs resonator are designed on the back of the corrugated metal-insulator-metal ring resonator. The quadrupole mode is selected and amplified through the coupling stubs and the incorporated amplifier chip, and the measured transmission intensity has been increased from $ - {6.46}\;{\rm dB}$-6.

Gain-assisted ultra-high-Q spoof plasmonic resonator for the sensing of polar liquids.

By directly incorporating a sub-wavelength amplifier chip into the spoof plasmonic resonator, the quality (Q) factor of the original passive resonator has been significantly increased by several orders of magnitude. The spoof plasmonic resonator is composed of a corrugated ring with a slit whose optimized offset angle φ is 45°, aiming to achieve a better Q-factor. By tuning the bias voltage applied to the amplifier chip that is placed across the slit, the Q factor has been increased from 9.

[Functional Group Characteristics of Planktonic Diatoms and Their Relationship with Environmental Factors in the Ruxi River].

To elucidate the functional group characteristics of planktonic diatoms and their relationship with environment factors in the Ruxi River, multivariate statistical analysis and functional group classification were conducted in this study. The success pattern of a diatom functional group and its driving factor were analyzed for the Ruxi River, a typical tributary of Three Gorges Reservoir, after the phytoplankton community and environmental variables were investigated at three different stages: level water period (April 2014), dry season (December 2014), and wet season (July 2014), based on the characteristic of water level. The results showed that there were 10 diatom functional groups in the Ruxi River: the A, B, C, D, L, MP, P, T, X3, and S1 groups, and among them, MP was the most groups, but the dominant group was D group.

Knockdown of MPP8 suppresses cell proliferation via regulation of HOXA5 in non-small cell lung cancer cells.

M-phase phosphoprotein 8 (MPP8) is reported to be closely implicated in cancer initiation and progression. In addition, the homeobox gene HOXA5 has been shown to play critical roles in hematopoiesis, embryogenesis, and tumorigenesis. Nevertheless, the functional relevance of MPP8 and it's relation with HOXA5 in non-small cell lung cancer (NSCLC) is unknown.

Impact of Intraoperative Blood Pressure Control and Temporary Parent Artery Blocking on Prognosis in Cerebral Aneurysms Surgery.

Objective In cerebral aneurysm clipping and embolization, blood pressure control and temporary parent artery blocking are common methods to prevent aneurysm rupture. Their influence on the prognosis is uncertain. In this study, we try to find out the association between methods above and prognostic indicators.

Progesterone for Traumatic Brain Injury: A Meta-Analysis Review of Randomized Controlled Trials.

Objective: To conduct a meta-analysis to determine whether progesterone, compared with placebo or no treatment, influences mortality and neurologic outcome in traumatic brain injury (TBI).

Methods: To identify eligible studies, systematic searches for randomized controlled trials of progesterone treatment in TBI were conducted in PubMed, Web of Science, EMBASE, Cochrane Library, and ClinicalTrials.gov databases.

Protective Effect of Ad-VEGF-Bone Mesenchymal Stem Cells on Cerebral Infarction.

Aim: To understand the mechanism of intracerebroventricular transplantation of vascular endothelial growth factor (VEGF) genemodified bone mesenchymal stem cells (BMSCs) in rats after cerebral infarction.

Material And Methods: The middle cerebral artery occlusion ischemia/reperfusion (MCAO I/R) model was established in rats using the Zea-Longa suture method. A recombinant adenovirus (Ad-VEGF) was engineered to express VEGF.

Stereotactic radiosurgery of brainstem cavernous malformations: a systematic review and meta-analysis.

Object: Over the last two decades, stereotactic radiosurgery (SRS) has arisen as a promising approach in the management of brainstem cavernous malformations (CMs). In the present study, the authors report a systematic review and meta-analysis of the available published data regarding the radiosurgical management of brainstem CMs.

Methods: To identify eligible studies, systematic searches for brainstem CMs treated with SRS were conducted in major scientific publication databases.

[Mechanism of ING4 mediated inhibition of the proliferation and migration of human glioma cell line U251].

Aim: To investigate the effect of Ad-ING4 on proliferation and migration of glioma cells and explore its probable mechanism.

Methods: U251 were infected with Ad-ING4. ING4 gene expression was evaluated by RT-PCR.

Nerve growth factor expression in astrocytoma and cerebrospinal fluid: a new biomarker for prognosis of astrocytoma.

Background: Recent studies have discovered that nuclear translocation of nerve growth factor (NGF) and its receptor fragments function differently from the traditional model. This study aimed to uncover the nuclear expression of NGF in astrocytoma and its biological significance.

Methods: Ninety-four paraffin-embedded astrocytoma specimens were subjected to immunohistochemical (IHC) and hemotoxylin & eosin (HE) staining.