scholarly journals A Longitudinal Study of Hematology and Stress Biomarker Profiles in Young Asian Elephants (Elephas maximus) in Relation to Elephant Endotheliotropic Herpesvirus (EEHV) in Thailand

Animals ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 2530
Author(s):  
Khajohnpat Boonprasert ◽  
Yaoprapa Yun ◽  
Worapong Kosaruk ◽  
Patcharapa Towiboon ◽  
Pallop Tankaew ◽  
...  
Keyword(s):  
Stress Response ◽  
Salivary Cortisol ◽  
Immunoglobulin A ◽  
Clinical Signs ◽  
Hemorrhagic Disease ◽  
Reference Ranges ◽  
Fecal Glucocorticoid Metabolites ◽  
Severe Hemorrhage ◽  
Response Measures ◽  
Stress Biomarker

Elephant endotheliotropic herpesvirus hemorrhagic disease (EEHV-HD) is a virulent disease that causes severe hemorrhage and sudden death in Asian elephant calves. A change in hematology profiles is one indicator of infection before clinical signs appear; however, to be effective, individual baselines and age-matched reference values are needed. Stress has been speculated to be a factor in clinical EEHV cases, but relationships have not been demonstrated empirically. This study evaluated blood hematology and several stress response markers—salivary cortisol, fecal glucocorticoid metabolites (FGM), salivary Immunoglobulin A (SIgA), and fecal IgA (FIgA) in samples collected for 1 year from three healthy calves with no EEHV history (non-EEHV), and six that had previously been infected, developed clinical signs and survived (prior-EEHV). Hematology values between non-EEHV and prior-EEHV elephants were not different and within published reference ranges. Concentrations of salivary cortisol, FGM, SIgA, and FIgA also were variable and showed seasonal differences, but no relationships to prior EEHV status. One of the prior EEHV calves became re-infected, developed hemorrhagic disease (HD), and died during the study period. That calf exhibited lymphocytopenia, monocytopenia, and thrombocytopenia. Additionally, all stress biomarker concentrations were lower in the 12 days before viremia was observed. Thus, as in other studies, changes in hematology occur with EEHV infection, while preliminary data in one calf suggests that stress-response measures might also be informative and should be studied further.

scholarly journals Salivary Biomarkers and Training Load During Training and Competition in Paralympic Swimmers

2018 ◽  
Vol 13 (7) ◽  
pp. 839-843 ◽  
Author(s):  
Ciara Sinnott-O’Connor ◽  
Thomas M. Comyns ◽  
Alan M. Nevill ◽  
Giles D. Warrington
Keyword(s):  
Stress Response ◽  
Stress Responses ◽  
Salivary Cortisol ◽  
Perceived Exertion ◽  
Immunoglobulin A ◽  
Training Load ◽  
Rating Of Perceived Exertion ◽  
Alpha Amylase ◽  
Salivary Biomarkers ◽  
Paralympic Games

Context: Stress responses in athletes can be attributed to training and competition, where increased physiological and psychological stress may negatively affect performance and recovery. Purpose: To examine the relationship between training load (TL) and salivary biomarkers immunoglobulin A (IgA), alpha-amylase (AA), and cortisol across a 16-wk preparation phase and 10-d competition phase in Paralympic swimmers. Methods: Four Paralympic swimmers provided biweekly saliva samples during 3 training phases—(1) normal training, (2) intensified training, and (3) taper—as well as daily saliva samples in the 10-d Paralympic competition (2016 Paralympic Games). TL was measured using session rating of perceived exertion. Results: Multilevel analysis identified a significant increase in salivary immunoglobulin A (sIgA: 94.98 [27.69] μg·mL−1), salivary alpha-amylase (sAA: 45.78 [19.07] μg·mL−1), and salivary cortisol (7.92 [2.17] nM) during intensified training concurrent with a 38.3% increase in TL. During the taper phase, a 49.5% decrease in TL from the intensified training phase resulted in a decrease in sIgA, sAA, and salivary cortisol; however, all 3 remained higher than baseline levels. A further significant increase was observed during competition in sIgA (168.69 [24.19] μg·mL−1), sAA (35.86 [16.67] μg·mL−1), and salivary cortisol (10.49 [1.89] nM) despite a continued decrease (77.8%) in TL from the taper phase. Conclusions: Results demonstrate that performance in major competition such as Paralympic games, despite a noticeable reduction in TL, induces a stress response in athletes. Because of the elevated stress response observed, modifications to individual postrace recovery protocols may be required to enable athletes to maximize performance across all 10 d of competition.

scholarly journals Salivary Biomarkers of Stress, Anxiety and Depression

2021 ◽  
Vol 10 (3) ◽  
pp. 517
Author(s):  
Sylwia Chojnowska ◽  
Iwona Ptaszyńska-Sarosiek ◽  
Alina Kępka ◽  
Małgorzata Knaś ◽  
Napoleon Waszkiewicz
Keyword(s):  
Salivary Cortisol ◽  
Depressive Disorders ◽  
Immunoglobulin A ◽  
Strong Relationship ◽  
Fibroblast Growth Factor 2 ◽  
Stress Axis ◽  
Anxiety And Depression ◽  
Salivary Biomarkers ◽  
Appropriate Treatment ◽  
As Stress

Stress, anxiety and depressive disorders are often characterized by the activation of the stress axis, which results in similar symptoms at some point in these disorders. These disorders are closely related to each other—they occur simultaneously or follow one another. The diagnosis of stress, anxiety and depression is not a perfect procedure currently—it is based on patient observation and an interview with the patient and their family. There are no laboratory tests that would dispel the doubts of the doctor making the diagnosis and allow the appropriate treatment to be implemented as soon as possible. Therefore, this study will review the components of saliva that could be helpful in the quick diagnosis of stress, anxiety and/or depression. Such potential salivary biomarkers could also be useful in monitoring the effectiveness of pharmacological treatment prescribed by a psychiatrist. The following are promising salivary biomarkers of stress, anxiety or depression: cortisol, immunoglobulin A (sIgA), lysozyme, melatonin, α-amylase (sAA), chromogranin A (CgA) and fibroblast growth factor 2 (FGF-2). To the best valuable potential salivary markers of stress, we can include cortisol, lysozyme, sAA and CgA. To differentiate depression from stress, salivary cortisol and melatonin can be helpful. Fluctuations in the concentrations of the above-mentioned substances in saliva indicate a particularly strong relationship with typical human psychological problems, such as stress, depression or anxiety.

scholarly journals African Swine Fever Laboratory Diagnosis—Lessons Learned from Recent Animal Trials

Pathogens ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 177
Author(s):  
Jutta Pikalo ◽  
Paul Deutschmann ◽  
Melina Fischer ◽  
Hanna Roszyk ◽  
Martin Beer ◽  
...  
Keyword(s):  
African Swine Fever Virus ◽  
Clinical Signs ◽  
African Swine Fever ◽  
Laboratory Diagnosis ◽  
Lessons Learned ◽  
Hemorrhagic Disease ◽  
Passive Surveillance ◽  
Animal Trials ◽  
Fit For Purpose ◽  
The Impact

African swine fever virus (ASFV) causes a hemorrhagic disease in pigs with high socio-economic consequences. To lower the impact of disease incursions, early detection is crucial. In the context of experimental animal trials, we evaluated diagnostic workflows for a high sample throughput in active surveillance, alternative sample matrices for passive surveillance, and lateral flow devices (LFD) for rapid testing. We could demonstrate that EDTA blood is significantly better suited for early ASFV detection than serum. Tissues recommended by the respective diagnostic manuals were in general comparable in their performance, with spleen samples giving best results. Superficial lymph nodes, ear punches, and different blood swabs were also evaluated as potential alternatives. In summary, all matrices yielded positive results at the peak of clinical signs and could be fit for purpose in passive surveillance. However, weaknesses were discovered for some matrices when it comes to the early phase of infection or recovery. The antigen LFD showed variable results with best performance in the clinical phase. The antibody LFD was quite comparable with ELISA systems. Concluding, alternative approaches are feasible but have to be embedded in control strategies selecting test methods and sample materials following a “fit-for-purpose” approach.

Salivary Cortisol and Immunoglobulin A Responses During Golf Competition vs. Practice in Elite Male and Female Junior Golfers

2010 ◽  
Vol 24 (3) ◽  
pp. 852-858 ◽  
Author(s):  
Kwang-Jun Kim ◽  
Saejong Park ◽  
Kwang-Hoi Kim ◽  
Tae-Won Jun ◽  
Dong-Ho Park ◽  
...  
Keyword(s):  
Salivary Cortisol ◽  
Immunoglobulin A ◽  
Male And Female

Relaxation Increases Salivary Immunoglobulin a

1987 ◽  
Vol 61 (2) ◽  
pp. 623-629 ◽  
Author(s):  
Ronald G. Green ◽  
Marsha L. Green
Keyword(s):  
Immune System ◽  
Salivary Cortisol ◽  
Immunoglobulin A ◽  
High Stress ◽  
Relaxation Response ◽  
Control Group ◽  
Coping Skill ◽  
Relaxation Methods ◽  
Eyes Closed ◽  
Salivary Immunoglobulin A

While research indicates that high stress may be immunosuppressive, little is known about the effects of relaxation on the immune system. To determine whether relaxation is immunoenhancing, 50 volunteer college students were randomly assigned to one of four relaxation methods (Benson's relaxation response, guided visualization, massage, lying quietly with eyes closed, or a touching-control group). Salivary immunoglobulin A (S-IgA) and salivary Cortisol levels were recorded before and after one 20-min. relaxation session. Subjects in the relaxation response, visualization, and massage groups showed a significant increase in S-IgA concentrations from the before to the after relaxation samples. Also, post-relaxation S-IgA concentrations were significantly higher in the relaxation response, visualization, and massage groups than in the touching-control group. Salivary Cortisol did not change significantly. These data suggest that one component of the immune system, S-IgA, may be enhanced by the practice of a coping skill such as relaxation.

PSX-B-22 Humoral factors of protection of the vaginal mucosa in healthy cows and with mycoplasmosis

2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 273-273
Author(s):  
Julia V Busharova ◽  
Roman M Vasilev ◽  
Svetlana V Vasileva ◽  
Vyacheslav A Trushkin ◽  
Anastasia A Nikitina ◽  
...  
Keyword(s):  
Immunoglobulin A ◽  
Clinical Signs ◽  
Total Content ◽  
Vaginal Wall ◽  
Vaginal Mucosa ◽  
Vaginal Secretion ◽  
Livestock Farming ◽  
Humoral Factors ◽  
Ig G ◽  
Pcr Test

Abstract Maintaining reproductive health is an urgent task in intensive livestock farming. The study of the influence of pathogens of the Mycoplasmataceae family on the microecology and protective properties of the vagina is of particular interest. The studies were carried out on non-pregnant cows 3–4 years old. Was formed 2 groups of 8 animals each. The first group is healthy cows in which the PCR test for Mycoplasma spp. was negative. The second group - cows with a positive PCR test and serological identification of M. bovigenitalium, without pronounced clinical signs of vaginitis. In both groups of animals, vaginal secretions were collected from the vaginal wall using a special spoon. In secret, by the method of radial immunodiffusion in a gel according to Mancini, the content of immunoglobulins of classes Ig G, Ig M, Ig A and secretory immunoglobulin A (sIgA) was determined, as well as the activity of lysozyme - by the nephelometric method. The study showed that the content of Ig G and the total content of immunoglobulins in the vaginal secretion in healthy cows and cows with mycoplasmosis did not have significant differences. The concentration of Ig A in cows with mycoplasmosis was 0.018±0.001 g/l, which was 25% less than in healthy cows, but it turned out to be insignificant (P > 0.05). The content of Ig M and sIgA in secretion in healthy cows was 0.039±0.002 and 0.067±0.005 g/l, while in cows with mycoplasmosis it significantly increased by 38.5 and 43%, respectively. The activity of lysozyme in the secretion of healthy cows was 11.71±0.41%, while in infected cows it decreased by 2 times. With genital mycoplasmosis in cows, a quantitative redistribution of immunoglobulin classes and a decrease in lysozyme activity are observed in the vaginal secretion.

Membranoproliferative Glomerulonephritis and α1-Antitrypsin Deficiency in Children

PEDIATRICS ◽  
1983 ◽  
Vol 71 (1) ◽  
pp. 88-92
Author(s):  
C. Frederic Strife ◽  
George Hug ◽  
Gail Chuck ◽  
A. James McAdams ◽  
Charles A. Davis ◽  
...  
Keyword(s):  
Liver Disease ◽  
Membranoproliferative Glomerulonephritis ◽  
Immunoglobulin A ◽  
Clinical Signs ◽  
Type I ◽  
Complement Protein ◽  
Protein Levels ◽  
Antitrypsin Deficiency ◽  
Glomerular Deposits ◽  
At Deficiency

Two white girls had reduced serum concentration of α1-antitrypsin (α-AT), phenotype ZZ, and liver disease. Hepatocytes exhibited the microscopic criteria of α-AT deficiency. Hypocomplementemia, elevated circulating immune complexes (patient 1), clinical signs of renal disease, and the histologic findings of membranoproliferative glomerulonephritis (MPGN) type I developed. Immunoglobulin A (but not α-AT) was demonstrable immunologically as a component of glomerular deposits in patient 1. Among 53 patients with MPGN but without clinical signs of liver disease, none had Pi type Z. Among 23 patients with phenotype ZZ but without clinical signs of kidney disease, six had abnormal complement protein levels, but the pattern did not resemble that of idiopathic MPGN type I. These results are consistent with the conclusion that MPGN in the two patients reported here is a consequence of their chronic liver disease and is not directly related to the presence of the allelic α-AT variant PiZ.

scholarly journals SAT-166 Advantage and Trustworthy of Cortisol and Dexamethasone Evaluation in Different Biological Matrices in Patients with Adrenal Masses

2020 ◽  
Vol 4 (Supplement_1) ◽  
Author(s):  
Luana Lionetto ◽  
Roberta Maggio ◽  
Pina Lardo ◽  
Donatella De Bernardini ◽  
Fabiola Cipolla ◽  
...  
Keyword(s):  
Salivary Cortisol ◽  
Adrenal Incidentaloma ◽  
Serum Cortisol ◽  
Reference Ranges ◽  
Serum Samples ◽  
Late Night ◽  
Liquid Chromatography Tandem Mass ◽  
Adrenal Masses ◽  
Suppression Test ◽  
The Individual

Abstract Biochemical function of adrenal masses is currently based on 1mg post-overnight dexamethasone suppression test (pDST). Several approaches are recently developed, in order to reduce false positive/negative samples, only in retrospective series. They are based on the correlation of some different parameters, i.e. late-night salivary cortisol (LNSC) vs serum and salivary cortisol pDST; LNSC vs serum and salivary cortisol and serum dexamethasone pDST; LNSC and cortisone vs serum cortisol and salivary cortisol and cortisone pDST. Although these findings offer a better diagnostic performance, several conditions are still disappointed. No information is traceable about the harvest time of diurnal salivary and serum samples and no study include neither the levels of salivary nor urinary dexamethasone pDST. Aim of our study is to combine all these strategies in order to avoid the underestimated biases and obtain more precise information about the true “cortisol condition” of the patients. To reach this purpose we assess both cortisol and dexamethasone concentrations in several samples: saliva at 11PM before the drug administration, diurnal saliva and serum at 8AM and also the urine collection from 11PM to 8AM. Analytes levels are measured using a validated liquid chromatography-tandem mass spectrometry method. In this study we included 20 subjects without morphological adrenal alteration (MRI assessment), dyslipidemia, hypertension and impaired glucose tolerance (healthy controls) and 20 patients with adrenal incidentaloma showing different cortisol levels ranging from normal to ACTH-independent hypercortisolism. In both series, LNSC were similar to salivary cortisol pDST, even if they were greater in the patients with adrenal incidentalomas and subclinical cortisol secretion. Serum dexamethasone levels were in reference ranges, while salivary and urinary dexamethasone found in these matrices require additional sample numbers in order to establish appropriate cut-offs. Our preliminary results suggest that the combination of these findings could represent an improvement to assess the individual cortisol status.

Sign in / Sign up

Export Citation Format

Share Document