Sialic acid (N‐acetylneuraminic acid), a 9‐carbon monosaccharide, has been widely studied in immunology, oncology and neurology. However, the effects of sialic acid on organ and intestinal development, liver function and gut microbiota were rarely studied. In this study, we found that oral sialic acid tended to increase the relative weight of liver and decreased the serum aspartate aminotransferase (GPT) activity. In addition, sialic acid treatment markedly reduced gut villus length, depth, the ratio of villus length/depth (L/D), areas, width and the number of goblet cells. Furthermore, gut microbes were changed in response to oral sialic acid, such as Staphylococcus lentus, Corynebacterium stationis, Corynebacterium urealyticum, Jeotgalibaca sp_PTS2502, Ignatzschineria indica, Sporosarcina pasteurii, Sporosarcina sp_HW10C2, Facklamia tabacinasalis, Oblitimonas alkaliphila, Erysipelatoclostridium ramosum, Blautia sp_YL58, Bacteroids thetaiotaomicron, Morganella morganii, Clostridioides difficile, Helicobacter tryphlonius, Clostridium sp_Clone47, Alistipes finegoldii, [pseudomonas]_geniculata and Pseudomonas parafulva at the species level. In conclusion, oral sialic acid altered the intestinal pathological state and microbial compositions, and the effect of sialic acid on host health should be further studied.
In this study, we aimed to investigate the effects of Macleaya cordata extract (MCE) supplementation on performance, nutrient apparent digestibilities, plasma metabolites, and milk quality in dairy goats. Twenty-four lactating Guanzhong dairy goats (n = 24) were randomly divided into two groups (each containing 12 goats) in a 52-day trial: the CON group was fed a basal diet; the MCE group was fed a basal diet supplemented with 400 mg/kg MCE. The results indicated that the 4% fat corrected milk yield (4% FCM); uncorrected milk yield; milk-fat concentration; content of C4:0, C18:0, and C18:1n9c fatty acids in milk; and apparent digestibility of neutral detergent fiber (NDF) and acid detergent fiber (ADF) in the MCE group were significantly higher (p < 0.05). Furthermore, the lactoferrin (LTF), alpha-lactalbumin (α-La), and beta-lactoglobulin (β-Lg) of the milk and feed conversion rate (FCR) of the goats were significantly greater (p < 0.01) in the MCE group than in the CON group. In contrast, the somatic cell count (SCC) (p < 0.01), content of C14:0 fatty acids (p < 0.01) of milk, and blood urea nitrogen (BUN) concentrations (p < 0.05) were significantly lower in the in the MCE goats. These results show that the feeding of MCE can increase the performance and apparent nutrient digestibility of fiber in dairy goats, improving the quality of goat milk.
Background Cardiac arrest (CA) caused by peripartum cardiomyopathy (PPCM) is a catastrophic disease that can lead to a high mortality rate in young women. Cardiopulmonary resuscitation (CPR) is the initial first aid measure to be taken and unfortunately, does not always lead to the restoration of spontaneous circulation (ROSC). We shared a rare successful case of extracorporeal cardiopulmonary oxygenation-assisted resuscitation (ECPR) in a patient with CA for up to 5.5 hours due to PPCM. Case Description A previously healthy 31-year-old woman at 34 weeks of gestation was admitted to the emergency department with fever and arrhythmia. Two days later, the patient had postpartum CA. She underwent CPR for up to 5 hours before receiving V-A extracorporeal membrane oxygenation (ECMO) support and eventually regained spontaneous circulation after half an hour. Based on the clinical manifestations, the patient was diagnosed with PPCM and received treatment. The patient was successfully removed from ECMO after 9 days. The patient experienced ECMO-related complications, including thrombocytopenia and intracranial hemorrhage (ICH). Although treatment was difficult, the patient was discharged after 2 months without any neurological complications. We followed up for 1 year and the patient was able to work normally as a teacher. In our mini-review, we found that the success rate of ECPR in perinatal CA was high, and ECPR is worthy of promotion and application. Conclusions As an advanced life support method, ECPR can save patients undergoing postpartum CA. However, effective CPR and avoidance of ICH are necessary for the recovery of brain function.
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