Simulation of Human Plasma Levels of β-Lactams in Mice by Multiple Dosing and the Relationship between the Therapeutic Efficacy and Pharmacodynamic Parameters

Chemotherapy ◽  
1994 ◽  
Vol 40 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Kazuo Hatano ◽  
Yoshimi Wakai ◽  
Yuji Watanabe ◽  
Yasuhiro Mine
Keyword(s):  
Human Plasma ◽  
Plasma Levels ◽  
Therapeutic Efficacy ◽  
Multiple Dosing ◽  
The Relationship

scholarly journals Association of Urinary and Plasma Levels of Trimethylamine N-Oxide (TMAO) with Foods

Nutrients ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 1426
Author(s):  
Mauro Lombardo ◽  
Giovanni Aulisa ◽  
Daniele Marcon ◽  
Gianluca Rizzo ◽  
Maria Grazia Tarsisano ◽  
...  
Keyword(s):  
Gut Microbiota ◽  
Fish Consumption ◽  
Plasma Levels ◽  
Cooking Methods ◽  
Saltwater Fish ◽  
Increased Risk ◽  
Mediator Role ◽  
Fish And Shellfish ◽  
The Relationship

Introduction: Trimethylamine N-oxide (TMAO) may play a key mediator role in the relationship between the diet, gut microbiota and cardiovascular diseases, particularly in people with kidney failure. The aim of this review is to evaluate which foods have a greater influence on blood or urinary trimethylamine N-oxide (TMAO) levels. Methods: 391 language articles were screened, and 27 were analysed and summarized for this review, using the keywords “TMAO” AND “egg” OR “meat” OR “fish” OR “dairy” OR “vegetables” OR “fruit” OR “food” in December 2020. Results: A strong correlation between TMAO and fish consumption, mainly saltwater fish and shellfish, but not freshwater fish, has been demonstrated. Associations of the consumption of eggs, dairy and meat with TMAO are less clear and may depend on other factors such as microbiota or cooking methods. Plant-based foods do not seem to influence TMAO but have been less investigated. Discussion: Consumption of saltwater fish, dark meat fish and shellfish seems to be associated with an increase in urine or plasma TMAO values. Further studies are needed to understand the relationship between increased risk of cardiovascular disease and plasma levels of TMAO due to fish consumption. Interventions coupled with long-term dietary patterns targeting the gut microbiota seem promising.

Endocannabinoid reactivity to acute stress: Investigation of the relationship between salivary and plasma levels

2021 ◽  
Vol 159 ◽  
pp. 108022
Author(s):  
Luke Ney ◽  
Caleb Stone ◽  
David Nichols ◽  
Kim Felmingham ◽  
Raimondo Bruno ◽  
...  
Keyword(s):  
Plasma Levels ◽  
Acute Stress ◽  
The Relationship

scholarly journals Plasma and cerebrospinal fluid inflammation and the blood-brain barrier in older surgical patients: the Role of Inflammation after Surgery for Elders (RISE) study

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Sarinnapha M. Vasunilashorn ◽  
◽  
Long H. Ngo ◽  
Simon T. Dillon ◽  
Tamara G. Fong ◽  
...  
Keyword(s):  
Cerebrospinal Fluid ◽  
Blood Brain Barrier ◽  
Plasma Levels ◽  
Inflammatory Markers ◽  
Brain Barrier ◽  
Markers Of Inflammation ◽  
Blood Brain ◽  
Csf Levels ◽  
The Relationship

Abstract Background Our understanding of the relationship between plasma and cerebrospinal fluid (CSF) remains limited, which poses an obstacle to the identification of blood-based markers of neuroinflammatory disorders. To better understand the relationship between peripheral and central nervous system (CNS) markers of inflammation before and after surgery, we aimed to examine whether surgery compromises the blood-brain barrier (BBB), evaluate postoperative changes in inflammatory markers, and assess the correlations between plasma and CSF levels of inflammation. Methods We examined the Role of Inflammation after Surgery for Elders (RISE) study of adults aged ≥ 65 who underwent elective hip or knee surgery under spinal anesthesia who had plasma and CSF samples collected at baseline and postoperative 1 month (PO1MO) (n = 29). Plasma and CSF levels of three inflammatory markers previously identified as increasing after surgery were measured using enzyme-linked immunosorbent assay: interleukin-6 (IL-6), C-reactive protein (CRP), and chitinase 3-like protein (also known as YKL-40). The integrity of the BBB was computed as the ratio of CSF/plasma albumin levels (Qalb). Mean Qalb and levels of inflammation were compared between baseline and PO1MO. Spearman correlation coefficients were used to determine the correlation between biofluids. Results Mean Qalb did not change between baseline and PO1MO. Mean plasma and CSF levels of CRP and plasma levels of YKL-40 and IL-6 were higher on PO1MO relative to baseline, with a disproportionally higher increase in CRP CSF levels relative to plasma levels (CRP tripled in CSF vs. increased 10% in plasma). Significant plasma-CSF correlations for CRP (baseline r = 0.70 and PO1MO r = 0.89, p < .01 for both) and IL-6 (PO1MO r = 0.48, p < .01) were observed, with higher correlations on PO1MO compared with baseline. Conclusions In this elective surgical sample of older adults, BBB integrity was similar between baseline and PO1MO, plasma-CSF correlations were observed for CRP and IL-6, plasma levels of all three markers (CRP, IL-6, and YKL-40) increased from PREOP to PO1MO, and CSF levels of only CRP increased between the two time points. Our identification of potential promising plasma markers of inflammation in the CNS may facilitate the early identification of patients at greatest risk for neuroinflammation and its associated adverse cognitive outcomes.

The relationship between D 2 receptor occupancy and plasma levels on low dose oral haloperidol: a PET study

1997 ◽  
Vol 131 (2) ◽  
pp. 148-152 ◽  
Author(s):  
Shitij Kapur ◽  
Robert Zipursky ◽  
Paul Roy ◽  
Corey Jones ◽  
Gary Remington ◽  
...  
Keyword(s):  
Plasma Levels ◽  
Low Dose ◽  
Receptor Occupancy ◽  
Dose Oral ◽  
The Relationship

scholarly journals Influence of biomarkers level during follow-up when operating under cardiopulmonary bypass

2015 ◽  
Vol 18 (3) ◽  
pp. 39
Author(s):  
Yu. I. Petrishchev ◽  
A. L. Levit ◽  
I. N. Leyderman
Keyword(s):  
Cardiac Surgery ◽  
Length Of Stay ◽  
Plasma Levels ◽  
Heart Surgery ◽  
Open Heart Surgery ◽  
Open Heart ◽  
Cardiac Surgeons ◽  
The Given ◽  
The Relationship

Systemic inflammatory response was first determined in 1980 and cardiac surgeons turned to it in 1996. At present, there are a lot of publications on this issue, however, the extent of operation and duration of CPB are considered in clinical practice as crucial indicators of severity of patient's condition following cardiac surgery. In our study we tried to look at this problem from a different perspective and draw a parallel between the severity of patient's condition resulting from operational trauma and CPB. We included 48 patients who under-went cardiac surgery under CPB. Plasma levels of procalcitonin (PCT), lactate and interleukin-6 were investigated before the operation, after CPB and at 24 hours. Also revealed was the relationship between the plasma levels of IL-6, lactate and PCT (r = 0.53; p = 0.000 in both cases). The level of PCT at the 3rd stage was found to relate to the duration of CPB (r = 0.4; p = 0.005), ALV (r = 0.44; p = 0.001) and length of stay at ICU (r = 0.53; p = 0.000). We didn't manage to find any relationship between the length of stay at ICU and the duration of CPB. Correlation between the PCT plasma level and the duration of intensive care indicates the importance of dynamics of the given biomarker for early prediction of follow-up course after open-heart surgery.

The Relationship Between the Phospholipids And the Cholesterols in Human Plasma And Lymph

2015 ◽  
pp. 99-107
Author(s):  
Raymond S. Jackson ◽  
Charles F. Wilkinson ◽  
Eugene A. Hand ◽  
A. M. Waldron ◽  
William C. Vogel
Keyword(s):  
Human Plasma ◽  
The Relationship

Radioimmunoassay of atrial natriuretic factor: Human plasma levels

1985 ◽  
Vol 130 (2) ◽  
pp. 553-558 ◽  
Author(s):  
P. Larose ◽  
S. Meloche ◽  
P. du Souich ◽  
A. Deléan ◽  
H. Ong
Keyword(s):  
Human Plasma ◽  
Plasma Levels ◽  
Atrial Natriuretic Factor ◽  
Natriuretic Factor ◽  
Atrial Natriuretic
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