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Zhang J, Chen J, Sui X, Drenowatz C, Wang Q. Association between Different Types of Exercise and Intake of Nutrients including Carbohydrate, Fat, Protein, and B Vitamins in Young Adults. Nutrients 2023; 15:nu15040806. [PMID: 36839164 PMCID: PMC9966440 DOI: 10.3390/nu15040806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
PURPOSE This cross-sectional study aimed to investigate the association between different types of exercise and nutrient intake to provide a basis for promoting the overall health of young adults. METHODS A total of 427 young adults (217 women) aged 21 to 35 were recruited. Participants self-reported time spent (min/week) in endurance exercise, resistance exercise, sports, walking, and other structured physical activity (PA). Nutrient intake was determined via telephone-administered 24 h recalls. RESULTS Resistance exercise was positively associated with intake of protein, vitamins B2, B3, B5, B6, and B12 and the percentage of total calories from protein (PCT-PRO), and negatively associated with the percentage of total calories from carbohydrate (PCT-CHO) (p < 0.05). Time spent in aerobic exercise was positively associated with fiber, pectin, and vitamin B6 intake, and negatively associated with PCT-PRO (p < 0.05). Time spent exercising was negatively associated with fiber and pectin intake (p < 0.05). Time spent performing other structured PA was positively associated with pectin intake (p < 0.05). Participants' total exercise time was positively associated with intake of vitamins B2, B5, B12, and PCT-Fat, PCT-PRO, and negatively associated with PCT-CHO (p < 0.05). CONCLUSION The results showed an association between various exercise types and specific nutrients. It may be worthwhile to point out the negative association of exercise with CHO intake, which may need to be examined more closely in active young adults. In addition, the supplementation of B vitamins and pectin may be beneficial for their exercise performance and post-exercise recovery.
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Ernstsen L, Zotcheva E, Sui X, Engstrøm M, Martínez-Velilla N, Bjerkeset O, Bjorvatn B, Havnen A. Association Between Cardiorespiratory Fitness and Incident Purchase of Hypnotic Drugs in Adults: The HUNT Study. Mayo Clin Proc 2023; 98:229-238. [PMID: 36244824 DOI: 10.1016/j.mayocp.2022.08.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To assess whether cardiorespiratory fitness (CRF) is associated with first purchase of a prescribed hypnotic drug in the adult population. METHODS A total of 34,357 adult participants (53.9% women) with a mean age of 51.5 years (SD 15.6 years) from the third Trøndelag Health Study (HUNT) of 2006 to 2008 were observed until January 1, 2018. Cardiorespiratory fitness was estimated from a validated nonexercise algorithm. Data on first hypnotics prescription were obtained through linkage to the National Norwegian Prescription Database. Cox regression with 95% CIs was used to estimate hazard ratios (HRs). RESULTS After 304,899 person-years of follow-up, 5791 participants had their first registered purchase of prescribed hypnotics, corresponding to an incidence rate of 1.90 per 100 person-years. Each 1-metabolic equivalent of task increase in CRF was significantly associated with 5% (HR, 0.95; 95% CI, 0.91 to 0.99; P=.02) and 4% (HR, 0.96; 95% CI, 0.92 to 1.00; P=.046) risk reduction for incident use of hypnotics in men and women, respectively. When CRF was categorized into tertiles with lowest CRF as the reference group, reduced risk was 13% (HR, 0.87; 95% CI, 0.79 to 0.96; P=.006) and 15% (HR, 0.85; 95% CI, 0.77 to 0.95; P=.003) for men in the intermediate and highest CRF category, respectively. In women with highest CRF, the reduced risk was 5% (HR, 0.95; 95% CI, 0.87 to 1.03; P=.22). CONCLUSION Cardiorespiratory fitness in adulthood is associated with incident purchase of prescription medication commonly used for sleep problems. These findings suggest that fitness should be considered a target for preventing sleep problems in adults.
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Saavedra JM, Brellenthin AG, Song BK, Lee DC, Sui X, Blair SN. Associations of cardiorespiratory fitness and body mass index with incident restrictive spirometry pattern. Br J Sports Med 2023:bjsports-2022-106136. [PMID: 36609350 PMCID: PMC10323034 DOI: 10.1136/bjsports-2022-106136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2022] [Indexed: 01/09/2023]
Abstract
OBJECTIVES Restrictive spirometry pattern (RSP) suggests an impairment of lung function associated with a significantly increased risk of premature mortality. We evaluated the independent and joint associations of cardiorespiratory fitness (CRF) and body mass index with incident RSP. METHODS Data from the Aerobics Centre Longitudinal Study included 12 360 participants (18-82 years). CRF was assessed by maximal treadmill test and categorised into five groups. Body mass index was categorised into normal weight (<25.0 kg/m2), overweight (25.0-29.9 kg/m2) or obesity (≥30.0 kg/m2). RSP was defined as the simultaneous occurrence of forced expiratory volume in 1 s/force vital capacity ≥lower limit of normal and forced vital capacity <lower limit of normal. RESULTS There were 900 (7.3%) cases of RSP (mean follow-up: 6.9 years). Compared with category 1 ('least fit'), HRs (95% CIs) of RSP were 0.78 (0.63 to 0.96), 0.68 (0.54 to 0.86), 0.70 (0.55 to 0.88) and 0.59 (0.45 to 0.77) in categories 2, 3, 4 and 5 (most fit), respectively, after adjusting for confounders including body mass index. Compared with normal weight, HRs (95% CIs) of RSP were 1.06 (0.91 to 1.23) and 1.30 (1.03 to 1.64) in overweight and obese, respectively. However, the association between obesity and RSP was attenuated when additionally adjusting for CRF (HR 1.08, 95% CI 0.84 to 1.39). Compared with the 'unfit and overweight/obese' group, HRs (95% CIs) for RSP were 1.35 (0.98 to 1.85), 0.77 (0.63 to 0.96) and 0.70 (0.56 to 0.87) in the 'unfit and normal weight,' 'fit and overweight/obese' and 'fit and normal weight' groups, respectively. CONCLUSIONS Low CRF was associated with a greater incidence of RSP, irrespective of body mass index. Future studies are needed to explore potential underlying mechanisms of this association and to prospectively evaluate if improving CRF reduces the risk of developing RSP.
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Chen C, Gu X, Liu F, Sun C, Mu J, Jin D, Sui X, Geng D, Li Q, Jiang Y, Shen C. SNP rs3803264 polymorphisms in THSD1 and abnormally expressed mRNA are associated with hemorrhagic stroke. Front Aging Neurosci 2023; 15:1144364. [PMID: 37139087 PMCID: PMC10150931 DOI: 10.3389/fnagi.2023.1144364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 03/20/2023] [Indexed: 05/05/2023] Open
Abstract
Background Thrombospondin Type 1 Domain Containing Protein 1 (THSD1) has been suggested to be a new regulator of endothelial barrier function in the angiogenesis process, preserving vascular integrity. We sought to characterize the association of THSD1 genetic variants and mRNA expression with the risk of hemorrhagic stroke (HS) with population-based evidence. Methods A case-control study was conducted with 843 HS cases and 1,400 healthy controls. A cohort study enrolled 4,080 participants free of stroke at baseline in 2009 and followed up to 2022. A synonymous variant, the main tag SNP rs3803264 of the THSD1 gene, was genotyped in all subjects, and peripheral leukocyte THSD1 mRNA expression was detected using RT-qPCR in 57 HS cases and 119 controls. Results In the case-control study, rs3803264 AG/GG variations are associated with a decreased risk of HS with odd ratio (OR) and 95% confidence interval (CI) of the dominant model of 0.788 (0.648-0.958), p = 0.017. In addition, rs3803264 and dyslipidemia had a multiplicative interaction [OR (95% CI) = 1.389 (1.032, 1.869), p = 0.030]. In the cohort study, a similar association strength of rs3803264 dominant model and the risk of HS was observed with the incidence rate ratio (IRR) of 0.734 and p-value of 0.383. Furthermore, the risk of HS showed a non-linear as THSD1 mRNA expression increased (p for non-linearity <0.001). For the subjects without hypertension, we observed THSD1 mRNA expression had a negative correlation with systolic blood pressure (SBP; ρ = -0.334, p = 0.022). Conclusion SNP rs3803264 polymorphisms in THSD1 are associated with the decreased risk of HS and interacted with dyslipidemia, and a non-linear association was observed between THSD1 mRNA expression and the risk of HS.
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Sun L, Li S, Wang L, Song X, Sui X. Simultaneous variable selection in regression analysis of multivariate interval-censored data. Biometrics 2022; 78:1402-1413. [PMID: 34407218 DOI: 10.1111/biom.13548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 05/13/2021] [Accepted: 08/03/2021] [Indexed: 12/30/2022]
Abstract
Multivariate interval-censored data arise when each subject under study can potentially experience multiple events and the onset time of each event is not observed exactly but is known to lie in a certain time interval formed by adjacent examination times with changed statuses of the event. This type of incomplete and complex data structure poses a substantial challenge in practical data analysis. In addition, many potential risk factors exist in numerous studies. Thus, conducting variable selection for event-specific covariates simultaneously becomes useful in identifying important variables and assessing their effects on the events of interest. In this paper, we develop a variable selection technique for multivariate interval-censored data under a general class of semiparametric transformation frailty models. The minimum information criterion (MIC) method is embedded in the optimization step of the proposed expectation-maximization (EM) algorithm to obtain the parameter estimator. The proposed EM algorithm greatly reduces the computational burden in maximizing the observed likelihood function, and the MIC naturally avoids selecting the optimal tuning parameter as needed in many other popular penalties, making the proposed algorithm promising and reliable. The proposed method is evaluated through extensive simulation studies and illustrated by an analysis of patient data from the Aerobics Center Longitudinal Study.
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Wei K, Qin G, Zhang J, Sui X. Multiply robust estimation of the average treatment effect with missing outcomes. J STAT COMPUT SIM 2022. [DOI: 10.1080/00949655.2022.2143501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lin GM, Tsai KZ, Chang YC, Huang WC, Sui X, Lavie CJ. Muscular Strength and Carotid Intima-Media Thickness in Physically Fit Young Adults: The CHIEF Atherosclerosis Study. J Clin Med 2022; 11:jcm11185462. [PMID: 36143108 PMCID: PMC9501352 DOI: 10.3390/jcm11185462] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/02/2022] [Accepted: 09/14/2022] [Indexed: 11/24/2022] Open
Abstract
Background: Greater muscular strength (MusS) has been found to have an inverse association with subclinical atherosclerosis in children, as well as with mortality from cardiovascular diseases (CVDs) in middle-aged and elderly individuals. However, the association of the degree of MusS with atherosclerosis may differ by sex and has not been clarified in young adults. Methods and Results: A total of 1021 Taiwanese military personnel, aged 18−40 years, participated in annual health examinations in 2018−2020. MusS was separately assessed by 2-min push-up and 2-min sit-up numbers. Subclinical atherosclerosis was measured by the left carotid bulb intima−media thickness (cIMT) using high-resolution ultrasonography. Multiple linear regression with adjustments for age, sex, alcohol intake, cigarette smoking, anthropometric indices, blood pressure, and lipid profiles was utilized to determine the correlation between MusS and cIMT. Both 2-min push-up and 2-min sit-up numbers were inversely correlated with cIMT (standardized β: −0.089 and −0.072, respectively; both p-values < 0.05). In men, both 2-min push-up and 2-min sit-up numbers were inversely correlated with cIMT (standardized β: −0.076 and −0.086, respectively; both p-values < 0.05), while in women, 2-min push-up numbers but not 2-min sit-up numbers were inversely correlated with cIMT (standardized β: −0.204 and −0.01; p = 0.03 and 0.99, respectively). Conclusions: Among young adults, there was an inverse association between MusS and cIMT, emphasizing the beneficial impact of MusS on the regression of atherosclerosis. The study also revealed a sex difference and suggested that training of the upper arm muscles may be an effective preventive measure for young women to reduce the risk of early cardiovascular diseases.
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Sui X, Sarzynski MA, Gribben N, Zhang J, Lavie CJ. Cardiorespiratory Fitness and the Risk of All-Cause, Cardiovascular and Cancer Mortality in Men with Hypercholesterolemia. J Clin Med 2022; 11:jcm11175211. [PMID: 36079141 PMCID: PMC9457072 DOI: 10.3390/jcm11175211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/27/2022] [Accepted: 08/31/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Whether higher cardiorespiratory fitness (CRF) confers protection against cardiovascular disease (CVD) in individuals with manifest hypercholesterolemia is poorly understood. Methods: Participants were 8920 men aged 20−82 years with hypercholesterolemia but no history of CVD and/or cancer and who received a preventive examination at the Cooper Clinic in Dallas, TX, USA, during 1974−2001. CRF was quantified as maximal treadmill test duration and was grouped for analysis as low, moderate, or high based on the traditional Aerobics Center Longitudinal Study cutpoints. Using Cox regression analyses, we computed hazard ratios and 95% confidence intervals for risk of mortality based on CRF. Results: During an average of 17 years of follow-up, 329 CVD and 290 cancer deaths occurred. After control for baseline age, examination year, body mass index, total cholesterol, smoking, alcohol intake, physical activity, hypertension, diabetes, and parental history of CVD, hazard ratios (95% confidence interval) for CVD deaths across moderate and high categories of CRF (with low fit as referent) were: 0.66 (0.50−0.87) and 0.55 (0.39−0.79), respectively. There was an inverse association between CRF and CVD death among normal-weight (trend p < 0.0001), younger (<60 y, trend p = 0.01), and inactive men (trend p = 0.002). However, no significant association was found between CRF and cancer mortality. Conclusions: Among men with hypercholesterolemia, higher CRF was associated with a lower risk of dying from CVD independent of other clinical risk factors. Our findings underscored the importance of promoting CRF in the primary prevention of CVD in patients with hypercholesterolemia.
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Sloan RA, Kim Y, Kenyon J, Susumu SS, Sui X, Blair SN. Non-exercise Estimated Cardiorespiratory Fitness Without Physical Activity Status Predicts Abnormal Blood Glucose In Adults. Med Sci Sports Exerc 2022. [DOI: 10.1249/01.mss.0000882268.74837.0b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zhai X, Shi M, Shi Y, Wang D, Koriyama S, Serena DA, Sawada SS, Lee IM, Sui X, Blair SN, Fan X. Impact Of The Covid-19 Pandemic Lockdown On Body Mass Index And Physical Fitness Among Chinese University Students. Med Sci Sports Exerc 2022. [DOI: 10.1249/01.mss.0000878272.97345.d4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Du R, Ming J, Geng J, Sui X, Li S, Liu Z, Zhu X, Cai Y, Wang Z, L. Tang, Zhang X, Peng Z, Yan Y, Li Z, Peng Y, Wu A, Li Y, Li Z, Wang W, Ji J. 1215P Neoadjuvant concurrent chemoradiotherapy combined with immunotherapy in the treatment of adenocarcinoma of the oesophagogastric junction: A phase II study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Wu X, Guo J, Dang G, Sui X, Zhang Q. Prediction of acute toxicity to Daphnia magna and interspecific correlation: a global QSAR model and a Daphnia-minnow QTTR model. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2022; 33:583-600. [PMID: 35862554 DOI: 10.1080/1062936x.2022.2098814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Acute toxicity is an important basis for the assessment of hazardous chemicals, but currently there is a huge data gap in chemical toxicity information. The in silico Quantitative Structure Activity Relationship (QSAR) models can use the existing experimental data information to predict the missing chemical toxicity information data and thus reduce animal testing. In the present study, a global QSAR model for the prediction of acute Daphnia magna toxicity has been developed based on the five principles proposed by the Organization for Economic Co-operation and Development (OECD). Moreover, a Daphnia-minnow (referring specifically to the fathead minnow) Quantitative Toxicity-Toxicity Relationship (QTTR) prediction model has been developed based on the present study and our previous work on fathead minnow (Pimephales promelas). Both the QSAR and QTTR prediction models have good goodness-of-fit, robustness, and predictive ability. Finally, the acute toxicity mode of action (MOA) for fathead minnow and Daphnia magna was compared by toxicity ratio based on interspecies toxicity data. By comparison, Daphnia magna was found more sensitive to anilines and phosphorothioates than fathead minnow. The present models can fill the acute toxicity data gap and contribute to the chemicals risk assessment and priority setting.
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Sloan R, Visentini-Scarzanella M, Sawada S, Sui X, Myers J. Estimating Cardiorespiratory Fitness Without Exercise Testing or Physical Activity Status in Healthy Adults: Regression Model Development and Validation. JMIR Public Health Surveill 2022; 8:e34717. [PMID: 35793133 PMCID: PMC9301546 DOI: 10.2196/34717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 03/14/2022] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
Background
Low cardiorespiratory fitness (CRF) is an independent predictor of morbidity and mortality. Most health care settings use some type of electronic health record (EHR) system. However, many EHRs do not have CRF or physical activity data collected, thereby limiting the types of investigations and analyses that can be done.
Objective
This study aims to develop a nonexercise equation to estimate and classify CRF (in metabolic equivalent tasks) using variables commonly available in EHRs.
Methods
Participants were 42,676 healthy adults (female participants: n=9146, 21.4%) from the Aerobics Center Longitudinal Study examined from 1974 to 2005. The nonexercise estimated CRF was based on sex, age, measured BMI, measured resting heart rate, measured resting blood pressure, and smoking status. A maximal treadmill test measured CRF.
Results
After conducting nonlinear feature augmentation, separate linear regression models were used for male and female participants to calculate correlation and regression coefficients. Cross-classification of actual and estimated CRF was performed using low CRF categories (lowest quintile, lowest quartile, and lowest tertile). The multiple correlation coefficient (R) was 0.70 (mean deviation 1.33) for male participants and 0.65 (mean deviation 1.23) for female participants. The models explained 48.4% (SE estimate 1.70) and 41.9% (SE estimate 1.56) of the variance in CRF for male and female participants, respectively. Correct category classification for low CRF (lowest tertile) was found in 77.2% (n=25,885) of male participants and 74.9% (n=6,850) of female participants.
Conclusions
The regression models developed in this study provided useful estimation and classification of CRF in a large population of male and female participants. The models may provide a practical method for estimating CRF derived from EHRs for population health research.
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Patel PH, Gates M, Kokkinos P, Lavie CJ, Zhang J, Sui X. Non-Exercise Estimated Cardiorespiratory Fitness and Incident Hypertension. Am J Med 2022; 135:906-914. [PMID: 35235822 PMCID: PMC9233001 DOI: 10.1016/j.amjmed.2022.01.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 11/01/2022]
Abstract
BACKGROUND The purpose of the current study is to examine the association between non-exercise estimated cardiorespiratory fitness and incident hypertension by sex. METHODS A total of 5513 participants (4403 men and 1110 women) free of hypertension from the Aerobics Center Longitudinal Study were followed for incident hypertension, which was determined as resting systolic or diastolic blood pressure at least 130/80 mm Hg or physician diagnosis. Non-exercise estimated cardiorespiratory fitness was estimated in metabolic equivalents (METs) with sex-specific algorithms. Age, body mass index, waist circumference, and resting heart rate were used as continuous variables, whereas being physically active and current smoking were dichotomous variables. Multivariable Cox regression models were used to examine the association between cardiorespiratory fitness and risk of developing hypertension. Hazard ratios and 95% confidence intervals (CIs) were reported as an index of strength of association. RESULTS During an average follow-up of 5 years, 61.7% of men and 39.5% of women developed hypertension. In men, the upper and middle tertiles of cardiorespiratory fitness had 22% (95% CI, 0.71-0.86) and 10% (95% CI, 0.82-0.99) lower risk, respectively, of developing hypertension compared with those in the lower tertile. In women, the upper and middle tertiles of cardiorespiratory fitness had 30% (95% CI, 0.55-0.88) and 6% (95% CI, 0.74-1.18) lower risk, respectively, of developing hypertension. Each 1-MET increment was associated with a 10% higher risk of incident hypertension in the overall sample. CONCLUSION Cardiorespiratory fitness estimated using a non-exercise algorithm is inversely associated with risk of developing hypertension in men and women.
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de Lima TR, González-Chica DA, D' Orsi E, Moreno YMF, Sui X, Silva DAS. Muscle Strength Assessed by Handgrip Strength Moderates the Relationship Between Overweight and Obesity With Cardiometabolic Risk Markers Among Adults and Older Adults. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2022:1-9. [PMID: 35404780 DOI: 10.1080/02701367.2021.2002246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 10/26/2021] [Indexed: 06/14/2023]
Abstract
Background and aims: Few population-based studies have studied whether muscle strength (MS) levels influence the relationship between cardiometabolic markers with excess body weight. We investigate the possible moderator role of MS in the relationship between overweight and obesity with cardiometabolic markers. Methods: Cross-sectional analysis using data from two studies in Florianópolis, Brazil (EpiFloripa Adult Cohort Study, n = 862, 39.3 ± 11.4 years; EpiFloripa Aging Cohort Study, n = 1,197, 69.7 ± 7.1 years). MS was assessed by handgrip strength. Body mass index (BMI) was classified as overweight or obesity (BMI 25.0-29.9 or ≥30.0 kg/m2, respectively). Cardiometabolic markers included systolic (SBP) and diastolic blood pressure (DBP), C-reactive protein (CRP), lipids, glucose markers, and carotid intima-media thickness (CIMT). Linear regression models stratified by age groups (adults: <60 years; older adults: ≥60 years) and adjusted for confounders were used. Results: Compared to those with a normal BMI, overweight and obesity were related to higher SBP, DBP, lnCRP, ln triglycerides, fasting glucose (FG), and glicated hemoglobin (HbA1c), and inversely associated with HDL-C among adults and older adults (p value < .05 for all). Additionally, BMI was positively associated with LDL-C and CIMT only among adults (p value < .05). Among adults and older adults, elevated MS attenuated the adverse relationship between excess body weight with FG and HbA1c. Conclusion: Higher MS might help adults and older adults with overweight or obesity reduce their cardiovascular risk by keeping their FG and HbA1c at the same levels of those with a normal BMI.
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Houle SA, Sui X, Blair SN, Ross R. Association Between Change in Nonexercise Estimated Cardiorespiratory Fitness and Mortality in Men. Mayo Clin Proc Innov Qual Outcomes 2022; 6:106-113. [PMID: 35498394 PMCID: PMC9043563 DOI: 10.1016/j.mayocpiqo.2021.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Objective To examine the association between change in nonexercise estimated cardiorespiratory fitness (eCRF) and mortality risk in adult men. Patients and Methods A total of 10,445 men (mean age, 44.6±9.3 years) from the Aerobics Center Longitudinal Study underwent 2 comprehensive medical examinations and peak work rate tests between January 1, 1979, and December 31, 2002, with an average time between measures of 5.7±4.9 years. Participants were observed for 11.6±6.4 years after their second examination until death or December 31, 2003. The eCRF was calculated with the Jackson et al (2012) and Nes et al (2011) published nonexercise estimation equations. Cox proportional hazards models were performed to examine the association between change in eCRF and all-cause and cardiovascular disease (CVD) mortality. Results There were 601 deaths (192 CVD deaths) during the follow-up period. For both eCRF equations, a higher eCRF at baseline was associated with significant reductions in mortality risk from all causes and CVD (P<.001). Change in eCRF by the Jackson equation remained significantly associated with all-cause mortality (P<.001) and CVD mortality (P=.02) after multivariable adjustment. Every 1 metabolic equivalent (3.5 mL·kg−1·min−1) increase in eCRF was associated with a 21% and 22% reduction in mortality risk from all causes or CVD, respectively. No significant associations were observed between change in eCRF by the Nes equation and all-cause (P=.69) or CVD (P=.85) mortality risk after multivariable adjustment. Conclusion The association between change in nonexercise eCRF and mortality risk may be equation dependent.
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Pfeifer CE, Ross LM, Weber SR, Sui X, Blair SN. Are flexibility and muscle-strengthening activities associated with functional limitation? SPORTS MEDICINE AND HEALTH SCIENCE 2022; 4:95-100. [PMID: 35782278 PMCID: PMC9219252 DOI: 10.1016/j.smhs.2022.03.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/28/2022] [Accepted: 03/10/2022] [Indexed: 11/16/2022] Open
Abstract
This retrospective cohort study examined the relationship between self-reported participation in flexibility and muscular strengthening activities and the development of functional limitation (i.e., once an individual has difficulty with or becomes unable to perform activities of daily living). Data were obtained from 1318 adults (mean age 49.5 ± 9.7 years; 98.7% Caucasian; 14.9% female) enrolled in the Aerobics Center Longitudinal Study from 1979 to 2004 and free of functional limitation at baseline. Mail-back health surveys were used to prospectively determine incident functional limitation. Participation in muscle-strengthening and flexibility activities was assessed via self-report. Adjusted logistic regression analyses were used to determine the odds ratios (OR) and corresponding 95% confidence intervals for developing functional limitation during follow-up based on participation in general and specific categories of flexibility (‘Stretching’, ‘Calisthenics’, or ‘Exercise Class’) and muscle-strengthening activities (‘Calisthenics’, ‘Free Weights’, ‘Weight Training Machines’, or ‘Other’). Overall, 42.6% of the sample reported incident functional limitation. After adjusting for potential confounders (e.g., age, sex, cardiometabolic risk factors), those who reported performing muscle-strengthening activities in general (n = 685) were at lower risk of developing functional limitation [OR = 0.79 (0.63–1.00)]. In addition, the specific flexibility activities of stretching (n = 491) and calisthenics (n = 122) were associated with 24% and 38% decreased odds of incident functional limitation, respectively. General muscle-strengthening, stretching, and calisthenics activities are prospectively associated with decreased risk of incident functional limitation in generally healthy, middle-aged and older adults. Thus, both public health and rehabilitation programs should highlight the importance of flexibility and muscle-strengthening activities during adulthood to help preserve functional capacity.
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de Lima TR, Martins PC, Moreno YMF, Chaput JP, Tremblay MS, Sui X, Silva DAS. Muscular Fitness and Cardiometabolic Variables in Children and Adolescents: A Systematic Review. Sports Med 2022; 52:1555-1575. [PMID: 35020179 DOI: 10.1007/s40279-021-01631-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND The importance of muscular fitness (MF) in the performance of activities of daily living is unequivocal. Additionally, emerging evidence has shown MF can reduce cardiometabolic risk in children and adolescents. OBJECTIVES The purpose of this study was to examine and summarize the evidence regarding the relationship between MF phenotypes (i.e., maximum muscular strength/power, muscular endurance, and maximum muscular strength/power/endurance) and cardiometabolic variables (obesity, blood pressure, lipids, glucose homeostasis, inflammatory markers, and clustered cardiometabolic variables) in children and adolescents. DESIGN This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement and was registered with PROSPERO, number CRD42020179273. DATA SOURCES A systematic review was performed on five databases (PubMed, EMBASE, SciELO, Scopus, and Web of Knowledge) from database inception to May 2020, with complementary searches in reference lists. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Eligibility criteria included (1) a study sample of youth aged ≤ 19 years, (2) an assessment of MF with individual or clustered cardiometabolic variables derived from adjusted models (regardless of test/measurement adopted or direction of reported association), and (3) a report of the association between both, using observational studies. Only original articles published in peer-reviewed journals in English, Portuguese, and Spanish languages were considered. The quality of the included studies was assessed by using the National Heart, Lung, and Blood Institute checklist. The percentage of results reporting a statistically significant inverse association between each MF phenotype and cardiometabolic variables was calculated. RESULTS Of the 23,686 articles initially identified, 96 were included (77 cross-sectional and 19 longitudinal), with data from children and adolescents from 35 countries. The score for the quality of evidence ranged from 0.33 to 0.92 (1.00 maximum). MF assessed by maximum muscular strength/power was inversely associated with lower obesity (64/113 total results (56.6%)) and reduction in clustered cardiometabolic risk (28/48 total results (58.3%)). When assessed by muscular endurance, an inverse association with obesity (30/44 total results (68.1%)) and cardiometabolic risk (5/8 total results (62.5%)) was identified. Most of the results for the relationship between MF phenotypes with blood pressure, lipids, glucose homeostasis, and inflammatory markers indicated a paucity of evidence for these interrelationships (percentage of results below 50.0%). CONCLUSION MF assessed by maximum muscular strength/power or muscular endurance is potentially associated with lower obesity and lower risk related to clustered cardiometabolic variables in children and adolescents. There is limited support for an inverse association between MF with blood pressure, lipids, glucose homeostasis biomarkers, and inflammatory markers in children and adolescents.
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Chu Y, Chai S, Pan H, Qian J, Han C, Sui X, Liu T. Halogenated Salts as Coagulant to Prepare Bovine Serum Albumin Nanoparticles Containing Paclitaxel using High-Pressure Homogenisation Method. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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de Lima TR, Sui X, de Lima LRA, Silva DAS. Muscle strength and its association with cardiometabolic variables in adolescents: does the expression of muscle strength values matter? World J Pediatr 2021; 17:597-608. [PMID: 34533773 DOI: 10.1007/s12519-021-00460-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 08/26/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND We investigate the association between different muscle strength (MS) indices with cardiometabolic variables in adolescents. METHODS Cross-sectional study comprising 351 adolescents (male 44.4%, age 16.6 ± 1.0 years) from Brazil. MS was assessed by handgrip strength and analyzed in five different ways: absolute MS and MS normalized for body weight, body mass index (BMI), height, and fat mass, respectively. Cardiometabolic variables investigated as outcomes were systolic and diastolic blood pressure (DBP), waist circumference (WC), high-sensitive C-reactive protein (hs-CRP), lipid and glucose metabolism markers. Multiple linear regression models adjusted for confounding factors were used. RESULTS Absolute MS and/or MS normalized for height was directly associated with WC [up to 32.8 cm, standard error (SE) = 4.7] and DBP (up to 8.8 mmHg, SE = 0.8), and inversely associated with high-density lipoprotein cholesterol (up to -8.0 mg/dL, SE = 14.1). MS normalized for body weight, BMI or fat mass was inversely associated with WC (up to -17.5 cm, SE = 2.2). According to sex, MS normalized for fat mass was inversely associated with triglycerides (male: 0.02 times lower, SE = 0.01; female: 0.05 times lower, SE = 0.01) and homeostatic model assessment for insulin resistance (male: 0.02 times lower, SE = 0.01; female: 0.06 times lower, SE = 0.01), and inversely associated with hs-CRP only among male (0.03 times lower, SE = 0.01). CONCLUSION When normalized for body weight, BMI or fat mass, MS was superior to absolute MS or MS normalized for height in representing adequately cardiometabolic variables among adolescents.
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de Lima TR, Sui X, Silva DAS. Normalization of Muscle Strength Measurements in the Assessment of Cardiometabolic Risk Factors in Adolescents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168428. [PMID: 34444178 PMCID: PMC8392172 DOI: 10.3390/ijerph18168428] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/31/2021] [Accepted: 08/05/2021] [Indexed: 12/11/2022]
Abstract
Muscle strength (MS) has been associated with cardiometabolic risk factors (CMR) in adolescents, however, the impact attributed to body size in determining muscle strength or whether body size acts as a confounder in this relationship remains controversial. We investigated the association between absolute MS and MS normalized for body size with CMR in adolescents. This was a cross-sectional study comprising 351 adolescents (44.4% male; 16.6 ± 1.0 years) from Brazil. MS was assessed by handgrip and normalized for body weight, body mass index (BMI), height, and fat mass. CMR included obesity, high blood pressure, dyslipidemia, glucose imbalance, and high inflammation marker. When normalized for body weight, BMI, and fat mass, MS was inversely associated with the presence of two or more CMR among females. Absolute MS and MS normalized for height was directly associated with the presence of two or more CMR among males. This study suggests that MS normalized for body weight, BMI, and fat mass can be superior to absolute MS and MS normalized for height in representing lower CMR among females. Absolute MS and MS normalized for height were related to higher CMR among males.
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Huang J, Li Y, Brellenthin AG, Lee DC, Sui X, Blair SN. Causal mediation analysis between resistance exercise and reduced risk of cardiovascular disease based on the Aerobics Center Longitudinal Study. J Appl Stat 2021; 49:3750-3767. [DOI: 10.1080/02664763.2021.1962260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Li H, Sui X, Wang Z, Fu H, Wang Z, Yuan M, Liu S, Wang G, Guo Q. A new antisarcoma strategy: multisubtype heat shock protein/peptide immunotherapy combined with PD-L1 immunological checkpoint inhibitors. Clin Transl Oncol 2021; 23:1688-1704. [PMID: 33792840 PMCID: PMC8238772 DOI: 10.1007/s12094-021-02570-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 02/07/2021] [Indexed: 12/11/2022]
Abstract
Osteosarcoma, a common malignant tumor in orthopedics, often has a very poor prognosis after lung metastasis. Immunotherapy has not achieved much progress in the treatment because of the characteristics of solid tumors and immune environment of osteosarcoma. The tumor environment is rather essential for sarcoma treatment. Our previous study demonstrated that heat shock proteins could be used as antitumor vaccines by carrying tumor antigen peptides, and we hypothesize that an anti-osteosarcoma effect may be increased with an immune check point inhibitor (PD-L1 inhibitor) as a combination treatment strategy. The present study prepared a multisubtype mixed heat shock protein osteosarcoma vaccine (mHSP/peptide vaccine) and concluded that the mHSP/peptide vaccine was more effective than a single subtype heat shock protein, like Grp94. Therefore, we used the mHSP/peptide vaccine in combination with a PD-L1 inhibitor to treat osteosarcoma, and the deterioration of osteosarcoma was effectively hampered. The mechanism of combined therapy was investigated, and AKT expression participates with sarcoma lung metastasis. This study proposed an antisarcoma strategy via stimulation of the immune system as a further alternative approach for sarcoma treatment and elucidated the mechanism of combined therapy.
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Saavedra JM, Song BK, Brellenthin AG, Lee DC, Sui X, Blair S. Association Of Cardiorespiratory Fitness And Body Mass Index With Incident Restrictive Lung Disease. Med Sci Sports Exerc 2021. [DOI: 10.1249/01.mss.0000761208.24035.9f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Sui X, Samuel I, Murphy R, Sidossis L, Faselis C, Myers J, Kokkinos P. Cardiorespiratory Fitness And Risk Of Lung Cancer Among Smokers And Non-smokers. Med Sci Sports Exerc 2021. [DOI: 10.1249/01.mss.0000761196.34403.cd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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