Home Biology BMC Collection weblog Highlights of the BMC Collection – June 2023

BMC Collection weblog Highlights of the BMC Collection – June 2023

BMC Collection weblog Highlights of the BMC Collection – June 2023


Can laughter yoga improve the standard of lifetime of most cancers sufferers present process chemotherapy? — How do common practitioners handle sufferers with knee ache attributed to degenerative meniscal tear? — How does adaptive evolution drive the invasion of illness vectors? — Which is the significance of cartilaginous rings on the move passing by way of a stenosed trachea? — Can dynamic contrast-enhanced magnetic resonance imaging distinguish triple-negative breast most cancers from non-triple-negative breast most cancers?

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BMC Complementary Medication and Therapies – Results of laughter yoga on health-related high quality of life in most cancers sufferers present process chemotherapy: a randomized medical trial

Laughter yoga is a sort of complementary remedy which promotes deliberate laughter together with yoga respiration practices and yoga stretching poses. Intentional laughter can present advantages equal to these of spontaneous laughter derived from jokes or humor applications, releasing a rush of stress-busting hormones.

On this randomized medical trial, the authors examine the consequences of laughter yoga on health-related high quality of lifetime of most cancers sufferers present process chemotherapy. The intervention group acquired laughter yoga for 4 classes at one-week intervals. The sufferers’ health-related high quality of life (HRQOL) was evaluated utilizing the High quality of Life Questionnaire European Group for Analysis and Remedy of Most cancers. The examine questionnaires had been accomplished earlier than and after the laughter yoga classes by the most cancers sufferers, by way of interviews, in the meantime the management group acquired a self-care coaching training.

The findings of the examine confirmed that laughter yoga contributed to enhancements in emotional and bodily functioning, discount of fatigue, ache and sleep disturbance, and enhanced high quality of life in comparison with the management group. Laughter yoga comes with many benefits as it’s a simple, cost-effective, and reasonably priced technique that may be additionally taught to sufferers in order that they’ll apply this by themselves, rising their self-care administration.

BMC Main Care – “You’re caught within the center right here”: a qualitative examine of GPs’ experiences of managing knee ache attributed to a degenerative meniscal tear

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Degenerative meniscal tear (DMT) is frequent in adults over 35 years of age. Not like the acute meniscal damage that’s related to acute trauma, DMT usually exhibits up spontaneously and it’s normally thought of atraumatic. The primary administration method for sufferers with symptomatic DMT, contains train, physiotherapy and ache treatment.

On this qualitative examine, the authors investigated the overall practitioners’ (GPs) experiences of managing sufferers with knee ache attributed to a DMT. Seventeen GPs had been recruited within the South and Mid-West of Eire and information had been collected utilizing semi-structured interviews. The findings confirmed that the GPs generally discovered difficulties in dealing with affected person’s remedy expectations, which are sometimes oriented towards a ‘fast repair’ or passive remedy, similar to surgical procedure or injection. Moreover, some GPs expressed their issues concerning the restricted entry to public physiotherapy and orthopedic providers throughout the Irish healthcare setting.

This examine highlights the significance of filling the hole between sufferers’ expectations and greatest apply within the administration of DMT. New coaching for GPs to empower their expertise to prescribe train aligned with affected person’s targets would facilitate their job, offering a greater service for the sufferers and reinforcing the clinician-patient relationship.

BMC Genomics – Genomic signatures of native adaptation in latest invasive Aedes aegypti populations in California

Fig. 1 from Shaghayegh Soudi et al, 2023

Fig. 1 from Shaghayegh Soudi et al, 2023

Aedes aegypti mosquito is the first vector of dengue fever, which is essentially the most widespread vector-borne infectious illness. The state of California has an lively mosquito-monitoring program since 1917, though solely sporadic specimens of Aedes aegypti had been detected for many years close to airports. Since 2013, breeding populations have been reported in several cities, indicating that the mosquito has now turn out to be established and is spreading all through massive areas of California.

On this examine 96 particular person grownup feminine Aedes aegypti from 12 geographic districts had been collected throughout southern and central California. The authors built-in whole-genome sequencing information from mosquitoes with 25 annual topo-climate variables. This method resulted within the identification of 112 genes displaying sturdy alerts of native environmental adaptation among the many inhabitants, and most of them had been supported by a number of environmental variables, with the highest three variables together with AHM (annual heat-moisture index), CMD (Hargreaves local weather moisture deficit) and DD18 (diploma days beneath 18 °C). Among the many prime genes, the authors recognized genes concerned in organic processes with an vital position in adaptation to native abiotic environmental circumstances, similar to cell progress, response to emphasize and DNA restore.

The findings present how the adaptive evolution is a driving drive for the rising or re-emerging of viral illnesses. This work highlights the significance of the disease-vector genotypes to cope with the prevalence of invasive species that trigger ecological and economics harms.

BMC Biomedical Engineering – Impact of cartilaginous rings in tracheal move with stenosis

Fig. 3 from Humberto Bocanegra Evans et al, 2023

A standard trachea has a construction supported by a sequence of C-shaped rings of cartilage linked collectively. In most respiratory fluid dynamic research this attribute is omitted and the idea is that the trachea and the bronchi have easy partitions. When a tracheal stenosis is current its attribute rings seem as O-shaped and constrict the airway.

On this examine the authors tried to know the impact of cartilaginous rings on the move passing by way of a stenosed trachea with Grade II stenosis. They measured the move inside two simplified trachea fashions at resting respiration state, utilizing two-dimensional particle picture velocimetry (PIV) which permits them to carry out non-intrusive velocity discipline measurements near the wall. One mannequin has a easy wall, and the opposite mannequin has idealized symmetric rings. The outcomes confirmed that the cartilaginous rings disturb the move inducing velocity fluctuations and turbulence close to the wall, though minor variations had been noticed within the imply velocity discipline when in comparison with the mannequin with easy wall.

The mannequin described within the examine highlights the significance to think about cartilaginous rings and different small constructions alongside the airway wall. These observations may have vital medical implications, together with the event of prognosis and remedy protocols for various illnesses, pollution and drug supply.

BMC Medical Imaging – Identification of triple-negative breast most cancers and androgen receptor expression based mostly on histogram and texture evaluation of dynamic contrast-enhanced MRI

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Feminine breast most cancers is essentially the most generally recognized most cancers, and it’s represented by several types of most cancers, with every sort together with totally different signs, recognized strategies and coverings. In triple destructive breast most cancers (TNBC), the most cancers cells don’t have receptors for the hormones estrogen and progesterone and for HER2. In comparison with different subtypes, TNBC exhibits a better danger of growing distant metastasis and loss of life following locoregional recurrence. As a consequence of lack of therapeutic targets, the remedy choices for the sort of most cancers are few and have a poor medical efficacy. The androgen receptor (AR) is rising as a promising prognostic marker for TNBC and new research are actually aiming to analyze the associated potential of receptor-targeted therapies.

On this retrospective examine the authors chosen 99 sufferers, represented by 36 sufferers with histologically confirmed TNBC and 63 sufferers with non-TNBC, who underwent breast dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) earlier than surgical procedure. The authors calculated the pharmacokinetic parameters of DCE-MRI and their corresponding texture parameters between TNBC and non-TNBC teams, and AR-positive (AR+) and AR-negative (AR-) TNBC teams. The outcomes confirmed how  the pharmacokinetic parameters of DCE-MRI had been considerably totally different in AR-TNBC from AR+TNBC.

The findings spotlight how DCE-MRI can be utilized to foretell AR expression in sufferers with TNBC utilizing DCE-MRI-based pharmacokinetic parameters containing histograms and texture options. The evaluation of intratumor heterogeneity has a fantastic potential in medical apply because it may assist to enhance prognosis and to offer tailored remedy methods for every affected person.



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