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73 (95% CI 1.32, 2.28) in males and 1.34 (1.01, 1.78) in females. Adjustment for WC did not substantially change the estimate in males but attenuated the estimate for females to 1.09 (0.81, 1.47).
In women much more so than in men, secular increases in mid-adulthood WC appear to have occurred independently of BMI and largely explain the observed rise in low HDL-C prevalence between 2003 and 2018.
In women much more so than in men, secular increases in mid-adulthood WC appear to have occurred independently of BMI and largely explain the observed rise in low HDL-C prevalence between 2003 and 2018.
Famine exposure is a potential risk factor for adverse cardiometabolic health. However, the relationship between famine exposure during early life and carotid plaque in adulthood remains unclear. Therefore, the aim was to investigate the relationship between famine exposure during early life and the risks for carotid plaque in adulthood.
This was a cross-sectional study. Data were collected between 2017 and 2018 in Guangdong, China. Subjects who were born between 1 October 1952 and 30 September 1964, and had the carotid ultrasound measurement were enrolled. All included participants were divided into five groups no exposure, fetal exposure, early-childhood exposure, mid-childhood exposure, and late-childhood exposure. Carotid plaque was assessed by carotid ultrasound examination. Multivariate logistic regression was used to estimate the odds ratio (OR) and confidence interval (CI) between famine exposure and carotid plaque.
There were 2652 subjects enrolled, 973 (36.7%) of them were males, and the mean age was 59.1 ± 3.6 years. The prevalence of carotid plaque in unexposed, fetal-exposed, early-childhood, mid-childhood, and late-childhood exposed groups were 40.2%, 40.8%, 55.3%, 56.8%, and 62.1%, respectively. When compared with the unexposed group, the fully adjusted ORs for carotid plaque from fetal-exposed, early-childhood, mid-childhood to late-childhood exposed were 1.023 (95% CI 0.771, 1.357, P = 0.872), 1.755 (95% CI 1.356, 2.275, P < 0.001), 1.780 (95% CI 1.391, 2.280, P < 0.001), and 2.119 (95% CI 1.643, 2.739, P < 0.001), respectively. Subgroup analyses showed that the famine effect on carotid plaque did not interact with body mass index, gender, smoking status, hypertension, and diabetes history (all P for interaction > 0.500).
Famine exposure during early life was significantly associated with an increased risk of carotid plaque in adulthood.
Famine exposure during early life was significantly associated with an increased risk of carotid plaque in adulthood.
The use of home enteral nutrition (HEN) has increased enormously. HEN has been shown to decrease length of stays, improve clinical outcomes, and increase quality of life. Literature on HEN epidemiology has also sprouted recently. Nevertheless, studies on Chinese HEN users are hardly seen. The objective of this study was thus to describe the epidemiological characteristics of HEN users from a Chinese tertiary hospital in 2018.
Data were retrospectively analyzed using the personal patient profiles we created upon each HEN initiation. In the year of 2018, 2007 patients and a cumulative total of 3375 episodes were recorded.
The median age was 61 (IQR 46-75) years, and 63 (IQR 49-75) for males and 55 (IQR 43-72) for females. find more The most frequent indication for HEN implementation was oncological diseases (35.8%), followed by digestive diseases (13.4%), and neurological diseases (9.0%). Overall, 90.0% of the episodes were prescribed for oral nutrition supplement (ONS) and 9.5% for tube feeding (TF). Majority (70.8%) of the episodes comprised standard commercial formula.
Our study revealed some fundamental epidemiological characteristics of Chinese HEN patients. This preliminary single-center study has multiple limitations but still possesses revelatory and referential significance for other Chinese practitioners in the field of HEN. In future, multicenter studies and qualified HEN registries are widely needed in China.
Our study revealed some fundamental epidemiological characteristics of Chinese HEN patients. This preliminary single-center study has multiple limitations but still possesses revelatory and referential significance for other Chinese practitioners in the field of HEN. In future, multicenter studies and qualified HEN registries are widely needed in China.Since 1999, the COCH gene encoding cochlin, has been linked to the autosomal dominant non-syndromic hearing loss, DFNA9, with or without vestibular abnormalities. The hearing impairment associated with the variants affecting gene function has been attributed to a dominant-negative effect. Mutant cochlin was seen to accumulate intracellularly, with the formation of aggregates both inside and outside the cells, in contrast to the wild-type cochlin that is normally secreted. While additional recessive variants in the COCH gene (DFNB110) have recently been reported, the mechanism of the loss-of-function (LOF) effect of the COCH gene product remains unknown. In this study, we used COS7 cell lines to investigate the consequences of a novel homozygous frameshift variant on RNA transcription, and on cochlin translation. Our results indicate a LOF effect of the variant and a major decrease in cochlin translation. This data have a dramatic impact on the accuracy of genetic counseling for both heterozygote and homozygote carriers of LOF variants in COCH.Ketamine is widely used in infants and children for anesthesia; both anesthetic and sub-anesthetic doses of ketamine have been reported to preferentially inhibit the GABAergic neurons. Medium spiny neurons (MSNs), the GABAergic projection neurons in the striatum, are vulnerable to anesthetic exposure in the newborn brain. Growth of dendrites requires a deacetylase to remove acetyl from tubulin in the growth cone to destabilize the tubulin. link2 Histone deacetylase 6 (HDAC6) affects microtubule dynamics, which are involved in neurite elongation. In this study we used a human induced pluripotent stem cells (iPSCs)-derived striatal GABA neuron system to investigate the effects of ketamine on HDAC6 and the morphological development of MSNs. link3 We showed that exposure to ketamine (1-500 μM) decreased dendritic growth, dendrite branches, and dendritic spine density in MSNs in a time- and concentration-dependent manner. We revealed that ketamine treatment concentration-dependently inhibited the expression of HDAC6 or aberrantly translocated HDAC6 into the nucleus. Ketamine inhibition on HDAC6 resulted in α-tubulin hyperacetylation, consequently increasing the stability of microtubules and delaying the dendritic growth of MSNs. Finally, we showed that the effects of a single-dose exposure on MSNs were reversible and lasted for at least 10 days. This study reveals a novel role of HDAC6 as a regulator for ketamine-induced deficits in the morphological development of MSNs and provides an innovative method for prevention and treatment with respect to ketamine clinical applications.Duchenne muscular dystrophy (DMD) is a progressive neuromuscular disease caused by a mutation in the gene encoding the dystrophin protein. Catalpol is an iridoid glycoside found in Chinese herbs with anti-inflammatory, anti-oxidant, anti-apoptotic, and hypoglycemic activities that can protect against muscle wasting. In the present study we investigated the effects of catalpol on DMD. Aged Dystrophin-deficient (mdx) mice (12 months old) were treated with catalpol (100, 200 mg·kg-1·d-1, ig) for 6 weeks. At the end of the experiment, the mice were sacrificed, and gastrocnemius (GAS), tibialis anterior (TA), extensor digitorum longus (EDL), soleus (SOL) muscles were collected. We found that catalpol administration dose-dependently increased stride length and decreased stride width in Gait test. Wire grip test showed that the time of wire grip and grip strength were increased. We found that catalpol administration dose-dependently alleviated skeletal muscle damage, evidenced by reduced plasma CK and LDH activity as well as increased the weight of skeletal muscles. Catalpol administration had no effect on dystrophin expression, but exerted anti-inflammatory effects. Furthermore, catalpol administration dose-dependently decreased tibialis anterior (TA) muscle fibrosis, and inhibited the expression of TGF-β1, TAK1 and α-SMA. In primary myoblasts from mdx mice, knockdown of TAK1 abolished the inhibitory effects of catalpol on the expression levels of TGF-β1 and α-SMA. In conclusion, catalpol can restore skeletal muscle strength and alleviate skeletal muscle damage in aged mdx mice, thus may provide a novel therapy for DMD. Catalpol attenuates muscle fibrosis by inhibiting the TGF-β1/TAK1 signaling pathway.Immune system-mediated tumor killing has revolutionized anti-tumor therapies, providing long-term and durable responses in some patients. The phosphoinositide 3-kinase (PI3K) pathway controls multiple biological processes and is frequently dysregulated in malignancies. Enormous efforts have been made to develop inhibitors against class I PI3K. Notably, with the increasing understanding of PI3K, it has been widely accepted that PI3K inhibition not only restrains tumor progression, but also reshapes the immunosuppressive tumor microenvironment. In this review, we focus on the pivotal roles of class I PI3Ks in adaptive and innate immune cells, as well as other stromal components. We discuss the modulation by PI3K inhibitors of the tumor-supportive microenvironment, including eliminating the regulatory immune cells, restoring cytotoxic cells or regulating angiogenesis. The potential combinations of PI3K inhibitors with other therapies to enhance the anti-tumor immunity are also described.Acute liver failure (ALF) is a fatal clinical syndrome with no special drug. Recent evidence shows that modulation of macrophage to inhibit inflammation may be a promising strategy for ALF treatment. In this study we investigated the potential therapeutic effects of melittin, a major peptide component of bee venom both in mice model of ALF and in LPS-stimulated macrophages in vitro, and elucidated the underlying mechanisms. ALF was induced in mice by intraperitoneal injection of D-galactosamine/LPS. Then the mice were treated with melittin (2, 4, and 8 mg/kg, ip). We showed that melittin treatment markedly improved mortality, attenuated severe symptoms and signs, and alleviated hepatic inflammation in D-galactosamine/LPS-induced ALF mice with the optimal dose being 4 mg/kg. In addition, melittin within the effective doses did not cause significant in vivo toxicity. In LPS-stimulated RAW264.7 macrophages, melittin (0.7 μM) exerted anti-oxidation and anti-inflammation effects. We showed that LPS stimulation promoted aerobic glycolysis of macrophages through increasing glycolytic rate, upregulated the levels of Warburg effect-related enzymes and metabolites including lactate, LDHA, LDH, and GLUT-1, and activated Akt/mTOR/PKM2/HIF-1α signaling. Melittin treatment suppressed M2 isoform of pyruvate kinase (PKM2), thus disrupted the Warburg effect to alleviate inflammation. Molecular docking analysis confirmed that melittin targeted PKM2. In LPS-stimulated RAW264.7 macrophages, knockdown of PKM2 caused similar anti-inflammation effects as melittin did. In D-galactosamine/LPS-induced ALF mice, melittin treatment markedly decreased the expression levels of PKM2 and HIF-1α in liver. This work demonstrates that melittin inhibits macrophage activation-mediated inflammation via inhibition of aerobic glycolysis by targeting PKM2, which highlights a novel strategy of using melittin for ALF treatment.
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