Miracle-dz/UniFAR-FTUs huggingface dataset:
Influence of subcutaneous fat on mechanomyographic signals at three levels of voluntary effort

Introduction This study aims to assess the influence of different skinfold thicknesses (ST) and their relation to the attenuation of the mechanomyographic (MMG) signal at different force levels (maximal voluntary contraction – MVC, 40% of MVC and 70% of MVC) of the rectus femoris muscle. Methods Fifteen volunteers were divided in two groups: ST lower than 10mm (G 35) (7 participants). Student t tests were employed to investigate differences between G 35 regarding MMG analysis parameters (acceleration root mean square – aRMS, zero crossing – ZC, and median frequency – MDF), for the X, Y and Z axes, as well as for the modulus of these three axes. Results We found that thicker layers of body fat act as attenuator filters for the MMG signal [MDFMVC: X (p = 0.005), Z (p = 0.003); MDF70%MVC: X (p = 0.034); ZCMVC: Z (p = 0.037), modulus (p = 0.005); ZC70%MVC: Z (p = 0.047)]. We found significant correlation between ST values and aRMS in three levels, in the Yaxis (p = 0.591), for the group G 35 in 40%MVC (R2 = 0.610), and 70%MVC (R2 = 0.592). The MDF parameter showed correlation with ST values only in the Yaxis in 70%MVC (R2 = 0.700) for G>35. Conclusions We observed MMG signal attenuation in at least one of the parameters analyzed for each level of the rectus femoris muscle force, indicating that MMG signals are significantly attenuated with increasing thickness of the subcutaneous fat layer.
Beyond Bergmann's rule: Global variability in human body composition is associated with annual average precipitation and annual temperature volatility.

OBJECTIVES Human populations exhibit substantial geographical variability in body size and shape. However, the ecological stresses underlying this morphological variability remain poorly understood. The prevailing evolutionary explanation, "Bergmann's rule" assumes that morphological variability represents an adaptive response to average thermal conditions. We hypothesized that other climate factors-annual average precipitation, a marker of ecological productivity and inter-annual temperature volatility, a marker of infectious disease spikes-may also contribute to variability in body composition. MATERIALS AND METHODS We explored this hypothesis by examining associations between these climate factors and geographic variability in body composition across 133 male and 105 female populations from nonindustrialized settings. We used monthly climate data over 113 years (1901-2013) to develop new climate indices for all worldwide land areas. We stratified our analyses by hot/cold setting (>/<20°C). RESULTS In hot environments, lean mass increased as predicted in association with ecological productivity, and decreased in association with ecological volatility. Conversely, levels of body fat increased in association with temperature volatility and precipitation. However, in cold settings, equivalent associations were only partially consistent with our hypotheses, and there was suggestive evidence of sex differences in these associations. DISCUSSION Beyond associations with mean annual temperature predicted by Bergmann's rule, variability in human body composition is also associated with mean annual temperature and inter-annual temperature volatility, with these associations further differing between hot and cold settings. Collectively, our results suggest that associations of human body composition with climate are complex for both physique (fat-free mass) and energy stores (adiposity).
Coping and its relationship to post-traumatic growth, emotion, and resilience among adolescents and young adults impacted by parental cancer

Abstract Purpose: This study investigated how coping impacts offspring’s adaption to parental cancer in terms of post-traumatic growth, resilience, and emotion; and how coping differs between offspring. Methods: Participants (18–34 years; n = 244) completed an online survey. Data were analyzed using generalized linear modeling and multinomial regression. Findings: Higher levels of adaptive coping was associated with higher post-traumatic growth, resiliency, and positive affect; whereas maladaptive coping was associated with lower resiliency and higher negative affect. Females and offspring who did not access support for their parent’s cancer reported higher adaptive coping. Offspring bereaved by parental cancer reported higher levels of maladaptive coping. Offspring whose parents’ cancer was of shorter duration and those who lived with their ill parent had lower adaptive and maladaptive coping. Conclusions/Implications: Adaptive coping appeared beneficial to offspring. Supportive interventions may benefit from focusing on increasing adaptive coping, particularly among bereaved offspring.
The Subaru-XMM-Newton Deep Survey (SXDS). VIII. Multi-wavelength identification, optical/NIR spectroscopic properties, and photometric redshifts of X-ray sources

We report on the multi-wavelength identification of the X-ray sources found in the Subaru-XMM-Newton Deep Survey (SXDS) using deep imaging data covering the wavelength range between the far-UV and mid-IR (MIR). We select a primary counterpart of each X-ray source by applying the likelihood ratio method to R-band, 3.6 μm, near-UV, and 24 μm source catalogs as well as matching catalogs of active galactic nucleus (AGN) candidates selected in 1.4 GHz radio and i-band variability surveys. Once candidates for Galactic stars, ultra-luminous X-ray sources in a nearby galaxy, and clusters of galaxies are removed there are 896 AGN candidates in the sample. We conduct spectroscopic observations of the primary counterparts with multi-object spectrographs in the optical and NIR; 65% of the X-ray AGN candidates are spectroscopically identified. For the remaining X-ray AGN candidates, we evaluate their photometric redshift with photometric data in 15 bands. Utilizing the multi-wavelength photometric data of the large sample of X-ray-selected AGNs, we evaluate the stellar masses, M, of the host galaxies of the narrow-line AGNs. The distribution of the stellar mass is remarkably constant from z = 0.1 to 4.0. The relation between M and 2-10 keV luminosity can be explained with strong cosmological evolution of the relationship between the black hole mass and M. We also evaluate the scatter of the UV-MIR spectral energy distribution (SED) of the X-ray AGNs as a function of X-ray luminosity and absorption by the nucleus. The scatter is compared with galaxies which have redshift and stellar mass distribution matched with the X-ray AGN. The UV-NIR (near-IR) SEDs of obscured X-ray AGNs are similar to those of the galaxies in the matched sample. In the NIR-MIR range, the median SEDs of X-ray AGNs are redder, but the scatter of the SEDs of the X-ray AGN broadly overlaps that of the galaxies in the matched sample.
Effect of 4 weeks of frankincense consumption on explicit motor memory and serum BDNF in elderly men

Background/aim Memory is a mechanism for coding, storing, and recalling information. Weak memory and learning disability are common psychological problems in the elderly. The aim of this study was to investigate the effect of 4 weeks of frankincense consumption on explicit motor memory and serum BDNF in the elderly. Materials and methods Twenty elderly men (mean age of 60.2 ± 1.7 years) were randomly divided into two groups: experimental (n = 12) and placebo (n = 8). The first blood samples were collected 24 h before the pretest. Then both groups participated in a 4-week exercise program based on the protocol of exercising motor memory. During this period, the experimental group received 500-mg frankincense pills two times a day. The second blood sample collection and acquisition test were conducted following the last session of the exercise program. A retention test and a third blood sampling were performed 2 weeks after the last training session. Mixed analysis of variance (2 × 3) for repeated measures was used to analyze the data. Results Intergroup comparisons showed that frankincense had a significant effect on the acquisition and retention of explicit motor memory. No difference was observed in serum BDNF between the experimental and placebo groups. Conclusion This study revealed that 4 weeks of frankincense consumption facilitates the acquisition and retention of motor memory in older men with moderate mental status.
Between-ear sound frequency disparity modulates a brainstem biomarker of binaural hearing.

The auditory brainstem response (ABR) is an evoked potential that indexes a cascade of neural events elicited by sound. Here we evaluated the influence of sound frequency on a derived component of the ABR known as the binaural interaction component (BIC). Specifically, we evaluated the effect of acoustic interaural (between-ear) frequency mismatch on BIC amplitude. Goals were to (1) increase basic understanding of sound features that influence this long-studied auditory potential and (2) gain insight on the persistence of the BIC with interaural electrode mismatch in human users of bilateral cochlear implants - presently a limitation on the prospective utility of the BIC in audiologic settings. Data were collected in an animal model that is audiometrically similar to humans, the chinchilla (Chinchilla lanigera [6 females]). Frequency disparities and amplitudes of acoustic stimuli were varied over broad ranges, and associated variation of BIC amplitude was quantified. Subsequently, responses were simulated using established models of the brainstem pathway thought to underlie the BIC. Collectively, data demonstrated that at high sound intensities (≥85 dB SPL), the acoustically elicited BIC persisted with interaurally disparate stimulation (click frequencies ≥1.5 octaves apart). However, sharper tuning emerged at moderate sound intensities (65 dB SPL), with largest BIC occurring for stimulus frequencies within approximately 0.8 octaves, equivalent to ±1 mm in cochlear place. Such responses were consistent with simulated responses of the presumed brainstem generator of the BIC, the lateral superior olive. Data suggest that leveraging focused electrical stimulation strategies could improve BIC-based bilateral cochlear implant fitting outcomes.
Evaluation and reconditioning of donor organs for transplantation through ex vivo lung perfusion

ABSTRACT Objective: To assess the feasibility and impact of ex vivo lung perfusion with hyperoncotic solution (Steen Solution™) in the utilization of these organs in Brazil. Methods: In this prospective study, we subjected five lungs considered to be high risk for transplantation to 4 hours of ex vivo lung perfusion, with evaluation of oxygenation capacity. High-risk donor lungs were defined by specific criteria, including inflammatory infiltrates, pulmonary edema and partial pressure of arterial oxygen less than 300mmHg (inspired oxygen fraction of 100%). Results: During reperfusion, the mean partial pressure of arterial oxygen (inspired oxygen fraction of 100%) of the lungs did not change significantly (p=0.315). In the first hour, the mean partial pressure of arterial oxygen was 302.7mmHg (±127.66mmHg); in the second hour, 214.2mmHg (±94.12mmHg); in the third hour, 214.4mmHg (±99.70mmHg); and in the fourth hour, 217.7mmHg (±73.93mmHg). Plasma levels of lactate and glucose remained stable during perfusion, with no statistical difference between the moments studied (p=0.216). Conclusion: Ex vivo lung perfusion was reproduced in our center and ensured the preservation of lungs during the study period, which was 4 hours. The technique did not provide enough improvement for indicating organs for transplantation; therefore, it did not impact on use of these organs.
The Effect of Subinhibitory Concentrations of trans-Anethole on Antibacterial and Antibiofilm Activity of Mupirocin Against Mupirocin-Resistant Staphylococcus aureus Strains.

Aim: The aim of this study was to evaluate the effect of subinhibitory concentrations of trans-anethole on antibacterial and antibiofilm properties of mupirocin against mupirocin-resistant Staphylococcus aureus strains. Methods: Following parameters were examined: isolates susceptibility to antibiotics, minimum inhibitory concentration (MIC) of trans-anethole, antibacterial activity of mupirocin/trans-anethole combination, detection of ileS2 gene, genotypic relativity of isolates using pulsed-field gel electrophoresis method, and the influence of mupirocin/trans-anethole combination on S. aureus biofilm formation. Results: Our study revealed that trans-anethole combined with mupirocin increased the growth inhibition zone diameter around the mupirocin disk, independently on S. aureus strains susceptibility to this antibiotic. Moreover, combination of subinhibitory (MIC50) concentration of mupirocin and trans-anethole significantly decreased biofilm biomass. Conclusions: trans-Anethole appeared efficient in increasing susceptibility to mupirocin and decreasing biofilm formation in S. aureus strains used in this study. Reduction of biofilm formation can potentially protect against S. aureus recolonization. Moreover, use of trans-anethole in combination with mupirocin can increase the mupirocin activity against methicillin-resistant and mupirocin-resistant S. aureus strains.
Quantitative Temperature Dependence of Longitudinal Spin Seebeck Effect at High Temperatures

This article reports temperature-dependent measurements of longitudinal spin Seebeck effects (LSSEs) in Pt/Y$_3$Fe$_5$O$_{12}$ (YIG)/Pt systems in a high temperature range from room temperature to above the Curie temperature of YIG. The experimental results show that the magnitude of the LSSE voltage in the Pt/YIG/Pt systems rapidly decreases with increasing the temperature and disappears above the Curie temperature. The critical exponent of the LSSE voltage in the Pt/YIG/Pt systems at the Curie temperature was estimated to be 3, which is much greater than that for the magnetization curve of YIG. This difference highlights the fact that the mechanism of the LSSE cannot be explained in terms of simple static magnetic properties in YIG.
New Bounds for the Traveling Salesman Constant

Let X 1, X 2, …, X n be independent and uniformly distributed random variables in the unit square [0, 1]2, and let L(X 1, …, X n ) be the length of the shortest traveling salesman path through these points. In 1959, Beardwood, Halton and Hammersley proved the existence of a universal constant β such that lim n→∞ n −1/2 L(X 1, …, X n ) = β almost surely. The best bounds for β are still those originally established by Beardwood, Halton and Hammersley, namely 0.625 ≤ β ≤ 0.922. We slightly improve both upper and lower bounds.
Etiological Patterns, Liver Fibrosis Stages and Prescribing Patterns of Hepato-Protective Agents in Indian Patients with Chronic Liver Disease.

Objective Considering the paucity of relevant data for chronic liver disease (CLD) from India, this PAN-India study was conducted to assess the current etiologic spectrum of CLD, stage of liver fibrosis at presentation and the prescribing patterns of hepato-protective agents by gastroenterologists in Indian real-world setting. This data would aid in early detection and formulation of effective management strategies for CLD in India. Materials and Methods In this cross-sectional, multicentric, epidemiological study, consecutive patients (18 ≥ 65 years) diagnosed with CLD, assessed for liver fibrosis by Vibration Controlled Transient Elastography (VCTE), were evaluated for etiology by standard clinical and laboratory criteria and grouped in to alcoholic liver disease (ALD)/non-alcoholic fatty liver disease (NAFLD)/viral liver disease/ drug induced liver injury (DILI)/others. The doctors' prescription was studied in each case to note the pattern of hepatotropic medications prescribed, in addition to other specific agents. Results Out of 504 enrolled patients with CLD (mean age: 47.9±11.81 years; men: 67.9%), 39.7% had NAFLD, 25.6% had ALD, 17.5% had hepatitis B (HBV), 7.9% had hepatitis C (HCV), 1.6% had autoimmune hepatitis, 0.4% had DILI and 7.3% had other causes of liver disease. Diabetes (15.9%), hypertension (12.9%), hypothyroidism (3.0%), dyslipidemia (1.2%) and obesity (0.4%) were the commonly reported comorbidities. Liver stiffness corresponding to the diagnosis of F4 liver fibrosis stage was reported in 77.5% HCV, 62.0% ALD, 46.0% NAFLD and 37.5% HBV patients. About 12.5% HCV, 8.0% NAFLD, 5.4% ALD, and 1.1% HBV patients reported F3 liver fibrosis stage. About 38.3% patients were on hepatoprotective drugs; commonly prescribed drugs were ademetionine (23.8%), ursodeoxycholic acid (17.9%) and drugs of herbal origin (11.3%). Conclusion NAFLD is emerging as a predominant etiology of CLD in India, followed by ALD, HBV, and HCV. However, significant regional differences regarding predominant etiology was noted within the country. It was further noted that significant number of patients had advanced fibrosis based on VCTE assessment. This study emphasizes the need for appropriate risk evaluation and early assessment of severity of liver disease, for adequate disease management.
Sensitivity of low-frequency axial transmission acoustics to axially and azimuthally varying cortical thickness: A phantom-based study

Purpose Cortical thickness (cTh) is one of the main factors determining a bone’s mechanical properties, and its quantification is therefore critical for understanding and monitoring bone pathologies such as osteoporosis. Axial quantitative acoustics (ax-QA) offers a non-radiative, non-invasive method to measure cTh. Even though previous works have ascertained ax-QA’s ability to measure azimuthally varying cTh, the effect of axially varying cTh remains unclear. Furthermore, previous experiments and theoretical predictions indicate that measurement of the fundamental flexural mode at low frequencies in the kHz range could increase sensitivity to cTh. However, due to the associated long wavelengths, the approximation of bone geometry as a tube could break down at such frequencies. The presented study therefore investigates a) the sensitivity of ax-QA measurements to cTh in the kHz-regime, b) the applicability of tube theory in this regime, and c) the effect of varying cTh along the long axis on the bone. Materials and methods Axial-transmission acoustic measurements were performed at 3kHz on 14 bone phantoms with a femur-like cross-section and a) axially varying cortical thickness or b) axially and azimuthally varying cortical thickness (cTh-range: 1.5mm-7.5mm). Experimental results were compared to theoretical predictions based on an exact elastic tube theory. Results and discussion Phase velocity measurements using low-frequency ax-QA exhibited a high sensitivity to local cTh less than 4mm, albeit with a complex, not yet understood pattern. Tube theory failed to predict the wave’s behavior in the kHz range, indicating that due to the corresponding long wavelengths the bone can no longer be approximated by a tube, thus requiring more faithful modelling of the bone geometry. The fact that results from both types of phantoms were similar (Pearson correlation coefficient: 0.94) further indicates that the slowly varying cTh along the bone’s long axis did not strongly affect wave propagation as measured by ax-QA measurements.
Case Series and Literature Review of Ophthalmologic Disorders Seen in a Specialist Rheumatology Clinic in Lagos, Nigeria

ABSTRACT Purpose: To highlight the pattern and treatment outcomes of ophthalmologic disorders referred to a private specialist rheumatology clinic. Methods: Retrospective review (January 2015–December 2016) of referrals from Eye Foundation Hospital, Lagos to Arthrimed Specialist Clinic, Lagos. Case records were retrieved and relevant information extracted. Ethical standards were observed. Results: Twenty-two referrals (35 eyes) were received out of 643 patients (3.4%) seen during the study period. The majority were female (63.6%) with mean age 48.9 ± 19.3 years and bilateral disease (59%). Diagnoses included uveitis (45.5%), optic neuritis (36.4%), non-specific autoimmune eye disease (9.1%), keratoconjunctivitis sicca (4.5%), and giant cell arteritis (4.5%). Treatment was with steroids and immunosuppressive agents. Fourteen patients improved (63.6%), five remained unchanged (22.7%), while three worsened (13.6%). Conclusions: Our patients were mostly fourth-decade females with bilateral disease. Uveitis was the commonest presentation, and two-thirds of the treated patients improved after treatment. Early specialist referral and co-management of severe autoimmune eye diseases are desirable.
Analysis Of Infectious Disease Data

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The long-term rapid increase in incidence of adenocarcinoma of the kidney in the USA, especially among younger ages.

BACKGROUND We previously observed a rapid increase in the incidence of renal cell carcinoma (RCC) in men and women between 1935 and 1989 in the USA, using data from the Connecticut Tumor Registry. This increase appeared to be largely explained by a positive cohort effect, but no population-based study has been conducted to comprehensively examine age-period-cohort effects by histologic types for the past decade. METHODS We calculated age-adjusted and age-specific incidence rates of the two major kidney-cancer subtypes RCC and renal urothelial carcinoma, and conducted an age-period-cohort analysis of 114 138 incident cases of kidney cancer reported between 1992 and 2014 to the Surveillance, Epidemiology, and End Results programme. RESULTS The age-adjusted incidence rates of RCC have been increasing consistently in the USA among both men and women (from 12.18/100 000 in 1992-1994 to 18.35/100 000 in 2010-2014 among men; from 5.77/100 000 in 1992-1994 to 8.63/100 000 in 2010-2014 among women). Incidence rates generally increased in successive birth cohorts, with a continuing increase in rates among the younger age groups (ages 0-54 years) in both men and women and among both Whites and Blacks. These observations were confirmed by age-period-cohort modelling, which suggested an increasing birth-cohort trend for RCC beginning with 1955 birth cohorts, regardless of the assumed value for the period effect for both men and women and for Whites and Blacks. CONCLUSIONS Known risk factors for kidney cancer may not fully account for the observed increasing rates or the birth-cohort pattern for RCC, prompting the need for additional etiologic hypotheses (such as environmental exposures) to investigate these descriptive patterns.