Objective: This study aimed to analyze the impact of nutritional intervention during radiotherapy for head and neck tumors and its effects on energy intake, consumption, and nutritional status.
Methods: A comparative or observational study was conducted, and a total of 103 head and neck tumor patients undergoing radiotherapy were selected for this study and divided into two groups. The control group (n = 51) received routine nursing intervention, while the observation group (n = 52) received additional nutritional intervention. We compared the nutritional status, energy intake and consumption, and emotional well-being between the two groups.
Results: After the intervention, the observation group exhibited significantly higher levels of BMI, serum prealbumin, hemoglobin, and albumin compared to the control group (P < .05). Energy intake during radiotherapy was significantly higher in the observation group than in the control group. Furthermore, the energy consumption in the observation group was significantly lower than in the control group (P < .05). After the intervention, the observation group reported lower scores on the Self-rating Anxiety Scale and Self-rating Depression Scale compared to the control group (P < .05). In a three-month follow-up after radiotherapy, the observation group's EORTC Cancer Quality of Life Scale score was also significantly higher than that of the control group (P < .05).
Conclusions: Nutritional intervention proved effective in increasing energy intake and reducing energy consumption in patients undergoing radiotherapy for head and neck tumors. This improvement positively impacted the nutritional status and quality of life of the patients, emphasizing its significant research value.
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Proc Natl Acad Sci U S A
January 2025
Institute of Science and Technology Austria, AT-3400 Klosterneuburg, Austria.
Biophysical constraints limit the specificity with which transcription factors (TFs) can target regulatory DNA. While individual nontarget binding events may be low affinity, the sheer number of such interactions could present a challenge for gene regulation by degrading its precision or possibly leading to an erroneous induction state. Chromatin can prevent nontarget binding by rendering DNA physically inaccessible to TFs, at the cost of energy-consuming remodeling orchestrated by pioneer factors (PFs).
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January 2025
Department of Cell Biology, Duke University Medical Center, Durham, NC 27701.
In species with genetic sex determination (GSD), the sex identity of the soma determines germ cell fate. For example, in mice, XY germ cells that enter an ovary differentiate as oogonia, whereas XX germ cells that enter a testis initiate differentiation as spermatogonia. However, numerous species lack a GSD system and instead display temperature-dependent sex determination (TSD).
View Article and Find Full Text PDFProc Natl Acad Sci U S A
January 2025
Division of Livestock Infectious Diseases, State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China.
Historically considered to be nonenveloped, hepatitis E virus (HEV), an important zoonotic pathogen, has recently been discovered to egress from infected cells as quasi-enveloped virions. These quasi-enveloped virions circulating in the blood are resistant to neutralizing antibodies, thereby facilitating the stealthy spread of infection. Despite abundant evidence of the essential role of the HEV-encoded ORF3 protein in quasi-enveloped virus formation, the underlying mechanism remains unclear.
View Article and Find Full Text PDFJ Neurosurg
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1Department of Neurology, Centre for Leading Medicine and Advanced Technologies of IHM, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui.
Objective: Endovascular treatment (EVT) is an effective treatment for patients with acute vertebrobasilar artery complex occlusion (VBAO). However, the benefit of bridging thrombolysis prior to EVT remains controversial. The purpose of the present study is to explore the best treatment strategy between bridging treatment (BT) and direct EVT in patients with acute VBAO.
View Article and Find Full Text PDFJ Occup Environ Med
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Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam University Medical Center location Vrije Universiteit, Amsterdam, the Netherlands.
Objective: To evaluate the process of an online cognitive rehabilitation program aimed at supporting cancer survivors experiencing cognitive problems at work.
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