Publications by authors named "Xiao-cong Liu"

Article Synopsis
  • Researchers identified new compounds from the dried roots and bark of Morus alba, including two hybrids (morusalins A and B) and three previously undescribed flavonoids (morusalins C-E), along with forty-one known compounds.
  • The structures of these compounds were determined using advanced techniques such as NMR spectroscopy, mass spectrometry, and X-ray diffraction.
  • The study also tested the compounds for their effects on nitric oxide production in murine macrophage cells and their cytotoxicity against human colon and liver cancer cells, proposing a biosynthetic pathway for the new compounds.
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Background: Afferent loop syndrome (ALS) is a rare complication, Aoki reported that the incidence of distal gastrectomy in Billroth-II is 0.3%-1.0%.

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Microtubule-severing enzymes (MTSEs) play important roles in mitosis and meiosis of the primitive organisms. However, no studies have assessed their roles in mammalian meiosis of females, whose abnormality accounts for over 80% of the cases of gamete-originated human reproductive disease. In the current study, we reported that katanin-like 2 (KL2) was the only MTSE concentrating at chromosomes.

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Background: The incidence and mortality of colorectal cancer (CRC) are among the highest in the world, and its occurrence and development are closely related to tumor neovascularization. When the balance between pigment epithelium-derived factors (PEDF) that inhibit angiogenesis and vascular endothelial growth factors (VEGF) that stimulate angiogenesis is broken, angiogenesis is out of control, resulting in tumor development. Therefore, it is very necessary to find more therapeutic targets for CRC for early intervention and later treatment.

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Background: Apolipoprotein B (apoB) is a crucial component that directly reflects the number of atherogenic lipoprotein particles and is closely related to atherosclerosis. However, there was an inconsistency among previous studies in its relationship with mortality. Using nationally representative data, we aimed to investigate the association of apoB with cardiovascular and all-cause mortality.

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Introduction: Obesity contributes to the pathogenesis of diverse metabolic diseases, yet the mechanism underlying metabolically healthy obesity (MHO) remains elusive. Thyroid hormones and sensitivity to them have a major impact on metabolism. Our study aimed to investigate the association between MHO and thyroid hormone sensitivity.

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Background: Dieulafoy's lesion is an uncommon cause of hemorrhage of the digestive tract. It often presents with urgent and massive bleeding usually leading to shock, even death. Dieulafoy's lesions have been reported throughout the digestive tract but which occurred on duodenal papilla were particularly rare and presented challenges in the choice of hemostasis.

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Background: The association of total choline (TC) intake and its metabolite trimethylamine-N-oxide (TMAO) with hypertension and blood pressure (BP) has not been elucidated.

Methods: For the population study, the association of TC intake with hypertension, as well as blood pressure, was determined through logistic along with multiple linear regression analysis from the National Health and Nutrition Examination Survey 2007 to 2018, respectively. For the animal experimental study, spontaneously hypertensive rats (SHRs) were assigned to the water group or water containing 333 mg/L or 1 g/L TMAO group.

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Strong links have been reported among trimethylamine N-oxide (TMAO), visceral white adipose tissue (vWAT), and cardiometabolic diseases. However, the effects of TMAO on vWAT in hypertension remained incompletely explored. The impact of a chronic 22-week-long treatment with 1 g/L TMAO on vWAT, and its transcriptional and metabolic changes in spontaneously hypertensive rats (SHRs) were evaluated by serum cytokine measurements, histological analysis, fatty acid determinations, and co-expression network analyses.

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Article Synopsis
  • - Traditional measures like BMI aren't reliable for assessing diabetes risk, so this study tested new anthropometric methods, such as waist circumference (WC) and the conicity index (CI), among nearly 47,000 participants.
  • - Results showed that these new measurements are independently linked to diabetes risk, with WC, waist-to-height ratio (WtHR), and CI increasing the risk by around 81-83% for every standard deviation increase.
  • - The conicity index (CI) was particularly effective at predicting diabetes, outperforming other measures, while combining it with BMI also highlighted additional risks in participants with lower BMI.
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Background: To investigate the association between insulin resistance (IR), quantified by triglyceride glycemic index (TyG index), cardiovascular mortality (CVM), and all-cause mortality (ACM) in hypertension patients.

Methods: We included 8,554 patients with hypertension aged ≥18 years old from the 1999-2014 National Health and Nutrition Examination Surveys (NHANES). The status of CVM and ACM of participants were followed through December 31, 2015.

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Twenty-six compounds, including sixteen meroterpenoids(1-16), a triterpenoid(17), four terpenoid derivatives(18-21), and five aromatic compounds(22-26), were isolated from the leaves of Psidium guajava. Their structures were identified by spectroscopic analyses including NMR and MS. Compounds 21-26 were obtained from plants of Psidium for the first time.

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Article Synopsis
  • Selenium might help control blood pressure and prevent hypertension, but not much research has looked at its effect on death rates in people with high blood pressure.
  • A study followed 929 adults with high blood pressure from the NHANES survey to check how their selenium levels affected their chances of dying from any cause or heart problems until 2015.
  • The results showed that having a certain amount of selenium in the blood (around 136 μg/L) was linked to lower risks of death from all causes and heart disease, creating a "U-shaped" relationship, meaning both too little and too much selenium can be risky.
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The aim was to explore the association of normal range SBP with cardiovascular and all-cause mortality in older adults without hypertension. Participants aged ≥ 65 years without hypertension and those had an SBP level between 90 and 129 mmHg were included from the National Health and Nutrition Examination Survey (1999-2014). SBP was categorized into: 90-99, 100-109, 110-119, and 120-129 mmHg.

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Non-high-density lipoprotein cholesterol (non-HDL-C) is a valuable indicator in routine blood lipid tests, but the associations of non-HDL-C with mortality in hypertensive population still remain uncertain. In the National Health and Nutrition Examination Surveys from 1999 to 2014, participants having hypertension were included and grouped by non-HDL-C levels (<130, 130-159, 160-189, 190-219, and ≥220 mg/dl). Multivariate Cox regression was conducted for calculation of hazard ratios (HR) and 95% confidence interval (CI).

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Background: Vascular overload index (VOI) is a marker of arterial stiffness and arteriolar resistance, which predicts the increasing risks of cardiovascular and cerebrovascular disease. This study aimed to evaluate the association between VOI and new-onset ischemic stroke in an elderly population with hypertension.

Methods: This retrospective cohort study included 3315 hypertensive participants aged 60 years or more.

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Objective: Measuring the body mass index (BMI) or waist circumference (WC) alone is insufficient for assessing possible health risks due to obesity. This study aimed to investigate whether the quotient of WC and BMI can be used as a proxy of the high-risk phenotype of obesity.

Methods: Data for analysis were derived from the National Health and Nutrition Examination Survey (NHANES 1999-2014).

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Background And Aims: The relationship between lipid variability and stroke among patients with hypertension were inconclusive. We aimed to investigate the association of lipid variability with ischemic stroke in hypertensive patients.

Methods And Results: This retrospective cohort study included 4995 individuals with hypertension between 2013 and 2015, and recorded their status of ischemic stroke until the end of 2018.

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Background: The link between total cholesterol (TC) and all-cause and specific mortality has not been elucidated. Herein, we aimed to evaluate the effect of TC levels on all-cause, cardiovascular disease (CVD), and cancer mortality.

Methods: All data analyzed were obtained from the National Health and Nutrition Examination Survey 1999-2014.

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The triglyceride-glucose (TyG) index could serve as a convenient substitute of insulin resistance (IR), but epidemiological evidence on its relationship with the long-term risk of mortality is limited. Participants from the National Health and Nutrition Examination Survey during 1999-2014 were grouped according to TyG index (<8, 8-9, 9-10, >10). Cox regression was conducted to compute the hazard ratios (HRs) and 95% confidence interval (CI).

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Background: Dieulafoy's lesion is a rare vascular abnormality characterized by a small abnormally dilated artery that runs a tortuous course in the submucosa. There is usually no ulcer present in Dieulafoy's lesions and the overlying mucosa is most often normal. Bleeding caused by a Dieulafoy's lesion is usually urgent, massive, life-threatening and prone to recurrence.

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Purpose: Whether the paradox of high-density lipoprotein cholesterol (HDL-C) and elevated mortality risk extends to hypertensive patients is unclear. We aimed to investigate the association between HDL-C and all-cause and cardiovascular disease mortality in adults with hypertension.

Methods: In the National Health and Nutrition Examination Surveys, 11,497 hypertensive participants aged ≥18years old and examined at baseline between 1999 and 2014 were followed up until December 2015.

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Purpose: The associations of high-density lipoprotein cholesterol (HDL-C) with mortality are still unclear. We explored the associations of HDL-C with all-cause and cause-specific mortality in an adult population.

Methods: Deaths were classified into all-cause, cardiovascular, and cancer mortality.

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Background: The relationship between triglyceride (TG) level and the mortality risk of all-cause and cardiovascular disease is not entirely consistent among adults.

Methods: The present analysis included adult participants from National Health and Nutrition Examination Surveys (NHANES) between the periods 1999-2014. The levels of TG were categorized into < 150, 150-199, 200-250 and ≥ 250 mg/dL respectively.

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