[Effects of Biochar Application on Soil Organic Carbon Component in Plantations After Five Years in Northern Guangxi].

To investigate the effects of biochar(BC) addition on soil organic carbon(SOC) contents and its fractions under different biochar applications, waste twigs in Northern Guangxi were used to produce BC at 500℃. Additionally, we sought to clarify and define the carbon sequestration potential of soil and provide a basis for the preparation of biochar from forest wastes and soil improvement. In a long-term positioning test of biochar application from 1997, six different treatments were selected:0(CK), 0.

[Effects of Biochar Application on Soil Organic Nitrogen Component and Active Nitrogen in Plantations After Five Years in Northern Guangxi].

The objective of this study was to research the characteristics of fractions of organic nitrogen and active nitrogen and their relationship under different biochar applications and to provide a basis for the preparation and practical application of biochar from forest wastes. In a long-term positioning test of biochar application from 2017, six different treatments were selected:0(CK), 0.5%(T1), 1%(T2), 2%(T3), 4%(T4), and 6%(T5).

The role of complement activation in rhabdomyolysis-induced acute kidney injury.

Rhabdomyolysis (RM) may cause kidney damage and results primarily in acute kidney injury (AKI). Complement is implicated in the pathogenesis of renal diseases and ischemia-reperfusion injury (IRI), but the role of complement, especially its activation pathway(s) and its effect in RM-induced AKI, is not clear. This study established a rat model of AKI induced by RM via intramuscular treatment with glycerol.

Comparative evaluation of technetium-99m-diethylenetriaminepentaacetic acid renal dynamic imaging versus the Modification of Diet in Renal Disease equation and the Chronic Kidney Disease Epidemiology Collaboration equation for the estimation of GFR.

Purpose: We compared the performance of technetium-99m-diethylenetriaminepentaacetic acid (Tc-DTPA) renal dynamic imaging (RDI), the MDRD equation, and the CKD EPI equation to estimate glomerular filtration rate (GFR).

Methods: A total of 551 subjects, including CKD patients and healthy individuals, were enrolled in this study. Dual plasma sample clearance method of Tc-DTPA was used as the true value for GFR (tGFR).

Penehyclidine Hydrochloride Pretreatment Ameliorates Rhabdomyolysis-Induced AKI by Activating the Nrf2/HO-1 Pathway and Alleviating [corrected] Endoplasmic Reticulum Stress in Rats. The.

Acute kidney injury (AKI) is one of the most severe complications of rhabdomyolysis (RM). The underlying mechanisms and potential preventions need to be investigated. Penehyclidine hydrochloride (PHC) was reported to ameliorate renal ischemia-reperfusion injury, but the effect of PHC on RM-reduced AKI is unknown.

Regressing an optimal variable to scale glomerular filtration rate: more variations in glomerular filtration rate are explained.

Background: To compare glomerular filtration rate (GFR) among individuals, GFR is usually scaled to body surface area (BSA) based on the ratio method, which has been debated for its accuracy in recent years. Reference to the BSA as a normalization standard is the most common method currently in use but has limitations. This study was designed to a better variable to scale GFR.

Applicability of chronic kidney disease epidemiology collaboration equations in a Chinese population.

Background: Accurate estimated glomerular filtration rates (eGFR) is an important step in the diagnosis of chronic kidney disease (CKD). The Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, based on creatinine alone (eGFRcr), was developed to improve on the Modification of Diet in Renal Disease equation, in particular by addressing the systematic underestimation of high GFR. Whether the CKD-EPI equation, based on cystatin C alone (eGFRcys), or the combined creatinine-cystatin C CKD-EPI equation (eGFRcr-cys C), actually perform better than the CKD-EPI equation based on creatinine (eGFRcr) remains unknown, especially in Asians including Chinese populations, where eGFR equations may overestimate true GFR.

Age-related change in kidney function, its influencing factors, and association with asymptomatic carotid atherosclerosis in healthy individuals--a 5-year follow-up study.

Objectives: To better define the longitudinal changes in renal function, to examine the associated risk factors, and to investigate whether there is an independent association of decline in renal function with presence of carotid plaque in a middle-aged and elderly healthy population.

Methods: 245 healthy individuals (98 males, 147 females) evaluated at baseline and 5 years later.

Results: Over five years, estimated glomerular filtration rate (eGFR) decreased from 98.

Effects of decline in renal function with age on the outcome of asymptomatic carotid plaque in healthy adults: a 5-year follow-up study.

Background: It has been long suggested that abnormal clinical factors in the body, such as dyslipidemia and diabetes, can affect the presence of atherosclerosis. However, few studies on the effect of factors within the normal range, such as the loss of renal function with age, on the prevalence of atherosclerosis are few know in healthy individuals. The aim of this study was to investigate risk factors affecting the presence of asymptomatic carotid plaques in a middle-aged and elderly healthy population.

Effects of argatroban as an anticoagulant for intermittent veno-venous hemofiltration (IVVH) in patients at high risk of bleeding.

Background: The critically ill patients with acute renal failure (ARF) undergoing intermittent veno-venous hemofiltration (IVVH) are often at high risk of bleeding. No conventional anticoagulants can adequately achieve this task. Argatroban, a synthetic direct thrombin inhibitor, has been approved for the treatment of hemodialysis patients with antithrombin III deficiency and particularly for heparin-induced thrombocytopenia II patients.

Progesterone levels and carotid intima-media thickness: a negative association in older northern Chinese men.

In experimental research, progesterone has been found to be beneficial to the central nervous and cardiovascular systems; however, its potential role in preventing atherosclerosis in elderly men remains unclear. In this prospective study, we analyzed data in 385 older men and women from 6 communities in Beijing, China, in order to discover whether progesterone is associated with carotid intima-media thickness and plaque occurrence. Intima-media thickness and atherosclerotic plaques were determined by use of ultrasonography.

Change of glomerular filtration rate in healthy adults with aging.

Aim: In order to determine the relationship between glomerular filtration rate (GFR) and age, the associated factors, and the accurate method of GFR in healthy adults, we conducted a cross-sectional study in community-dwelling adults in Beijing.

Methods: Renal function of 201 clinically healthy subjects was determined using technetium-99 m-labelled diethylene triamine pentacetic acid ((99m)Tc-DTPA). Estimated GFR was calculated with the Cockcroft-Gault (CG) equation, abbreviated Modification of Diet in Renal Disease (MDRD) equation, and plasma clearance of creatinine (Ccr).

Anti-inflammatory renoprotective effect of clopidogrel and irbesartan in chronic renal injury.

Recent evidence suggests that platelet activation and angiotensin II may each contribute to glomerular inflammation and fibrosis. Clopidogrel inhibits platelet activation and may also reduce inflammation. This study investigated the anti-inflammatory and renoprotective effects of clopidogrel and irbesartan in the five-sixths nephrectomy rat model of chronic kidney disease.

Effect of steady and oscillatory shear stress on F-actin content and distribution in neutrophils.

We investigated neutrophil activation, specifically F-actin content and distribution, in situations mimicking the in vivo environment using steady and oscillatory shear. Under low steady shear (<150 s(-1)) F-actin levels were decreased for both treated (n-formyl-L-methioryl-L-leucyl-L-phenylalanine (fMLP)) and untreated neutrophils. The F-actin content increased with a change to higher steady shear levels.