Notes

A study into the practicality involving Synbone® as a proxies with regard to Sus scrofa (domesticus) bones for usage using Several.62 × 51 mm Total Material Hat ammunition inside ballistic testing.
Moreover, the expression of TUSC7 inhibited cell proliferation, invasion and epithelial-to-mesenchymal transition (EMT), while it facilitated apoptosis through competitively binding miR-23b. We also found that TUSC7 decreased the expression of phosphodiesterase 7A (PDE7A), a downstream target of miR-23b, through the TUSC7/miR-23b/PDE7A axis.

We demonstrated the expression of TUSC7 suppressed colorectal cancer progression through the TUSC7/miR-23b/PDE7A axis, suggesting that TUSC is a potential target for therapeutic intervention in colorectal cancer.
We demonstrated the expression of TUSC7 suppressed colorectal cancer progression through the TUSC7/miR-23b/PDE7A axis, suggesting that TUSC is a potential target for therapeutic intervention in colorectal cancer.
Colorectal cancer (CRC) is recognized as one of the most common cancer globally. The association between CRC and apurinic endonuclease 1 (APE1) Asp148Glu polymorphism remains unclear; thus, this meta-analysis aimed to explore whether APE1 Asp148Glu polymorphism is related to CRC risk.

Embase, PubMed, Cochrane library, CNKI and Wanfang databases were subject to a systematic search until April, 17, 2020 to evaluate the effect of APE1 Asp148Glu polymorphism on CRC risk. The associated strength was used to evaluate with odds ratios (ORs) with 95% confidence intervals (CIs) between Asp148Glu polymorphism and CRC risk. Subgroup analyses were also performed.

In total, 11 articles including 8,136 subjects (3,836 cases and 4,300 controls) were included. Five genetic models were analyzed, including the additive model (G vs. T), the heterozygote comparison (TG vs. TT), the homozygote comparison (GG vs. TT), the dominant model (TG+GG vs. TT), and the recessive model (GG vs. TG+TT). In these models, T refers to thymnd G refers to guanine. The APE1 Asp148Glu polymorphism in heterozygote comparison [OR (95%CI) = 1.36 (1.05, 1.75), P=0.019] and dominant model [OR (95%CI) =1.31 (1.07, 1.61), P=0.010] significantly increased CRC risk. No significant association was seen for the additive model [OR (95%CI) = 1.14 (1.00, 1.31), P=0.057], recessive model [OR (95%CI) = 0.97 (0.71, 1.31), P=0.826] or in homozygote comparison [OR (95%CI) = 1.15 (0.88, 1.52), P=0.309]. Moreover, CRC risk indicated a remarkable association with APE1 Asp148Glu polymorphism in the PCR-RFLP additive model, homozygote comparison and recessive model (PG) may be a potential risk factor for CRC.
Statins are commonly prescribed drugs that reduce cholesterol levels and the risk of cardiovascular and cerebrovascular events. Clinical studies have shown that statins also possess cancer-preventive properties. Two studies have reported that statins also possess cancer-preventive properties; however, whether statins improve the prognosis of patients with renal cell carcinoma is still unclear. In this study, we used meta-analysis to evaluate the association between statin use and overall survival risk in patients with renal cell carcinoma.

Published studies on statin-treated renal cell carcinoma were retrieved from PubMed, Embase, The Cochrane Library, China National Knowledge Infrastructure and Wanfang databases from inception to July 2019. The relevant data were extracted and a meta-analysis was performed using Cochrane Review Manager (RevMan 5.3) software.

Data from five studies, which reported on 5,299 patients, were analysed. The application of statins showed no effects on the overall survival of patients with renal cell carcinoma compared with the control group (OR = 1.07, 95% CI0.77 to 1.49, P = 0.68).

The findings of this meta-analysis suggest that statin application does not affect the overall survival of patients with renal cell carcinoma.
The findings of this meta-analysis suggest that statin application does not affect the overall survival of patients with renal cell carcinoma.
To investigate the effect of melatonin on regeneration of cortical neurons in rats with traumatic brain injury (TBI).

Sprague-Dawley rats (n=36) were randomly divided into sham, TBI+vehicle and TBI+melatonin groups. ASP2151 Cerebral blood flow and cognitive function were observed via laser Doppler flowmetry and by Morris water maze testing, respectively. The serum malondialdehyde (MDA) and superoxide dismutase (SOD) levels were used to assess oxidative stress. Immunofluorescence and terminal deoxynucleotidyl transferase dUTP nick end labelling assay was used to observe the newborn neurons and apoptotic cells.

Cerebral blood flow in the TBI+melatonin group was higher than that of the TBI+vehicle group at one, 12, 24 and 48 h post-injury, but the difference was not statistically significant (P>0.05). The cognitive function of the rats was better in the TBI+melatonin group than the TBI+vehicle group (P.
0.05). The cognitive function of the rats was better in the TBI+melatonin group than the TBI+vehicle group (P.
Canadian clinician-scientist trainees enrolled in dual degree programs often pursue an extended training route following completion of MD and MSc or PhD degrees. However, the proportion, plans and reasoning of trainees who intend to pursue training internationally following dual degree completion has not been investigated. In this study, we assessed the international training considerations of current clinician-scientist trainees.

We designed an 11-question survey, which was sent out by program directors to all current MDPhD program and Clinician Investigator Program (CIP) trainees. Responses were collected from July 8, 2019 to August 8, 2019.

We received a total of 191 responses, with representation from every Canadian medical school and both MD-PhD program and CIP trainees. The majority of trainees are considering completing additional training outside Canada, most commonly post-doctoral and/or clinical fellowships. The most common reasons for considering international training include those related twell as enhanced support in facilitating cross-border mobility.For over 40 years the Journal of Clinical and Investigative Medicine (CIM) has published articles of value to clinician investigators in Canada and elsewhere. We try our best to strive for the highest standards and to remain relevant to our readers, but we cannot achieve these goals without the help of our reviewers, all of whom play a vital role in maintaining the integrity of the scientific process. Without their efforts, academic excellence would falter. So, a massive "thank you" to the more than 80 reviewers who have contributed their talent and time to CIM over the past year (September 1, 2019 to August 31, 2020).
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