Water is an essential resource for dairy cows, and its consumption is closely linked to feed intake. Social competition can lead to changes in drinking behavior, especially for subordinate cows. We studied how changes in stocking density at the feeder (1 or 2 cows per feeder), and drinker (6 or 12 cows per drinker) and a temporal feed restriction (14- or 24-h access) affects drinking in 4 groups of 6 cows each, following a Latin square design.
View Article and Find Full Text PDFOn dairy farms, milking practices can temporarily restrict cows from accessing drinking water. This study examined how different types of temporary water restriction, similar to those commonly encountered on farms, may affect the individual behavior and physiological dehydration status of cows and whether these effects could differ according to the cow's position in the social hierarchy of the group. Four treatments were applied (CTRL = free access to the drinker and feed fence, HL = 2 h of headlock at the feed fence after morning and evening milking, D2H = free access to the feed fence and no access to water for 2 h after milking, and D4H = free access to the feed fence and no access to water for 4 h after milking) to 4 groups of 10 lactating dairy cows using a 4 × 4 Latin square design.
View Article and Find Full Text PDFJDS Commun
September 2024
COVID-19 pandemic presents an unheralded opportunity to better understand trajectories of posttraumatic stress disorder (PTSD) symptoms across a prolonged period of social disruption and stress. We tracked PTSD symptoms among trauma-exposed individuals in the United States and sought to identify population-based variability in PTSD symptom trajectories and understand what, if any, early pandemic experiences predicted membership in one trajectory versus others. As part of a longitudinal study of U.
View Article and Find Full Text PDFObjectives: Face transplantation aims to improve patients' quality of life and psychosocial functioning in patients with a disfiguring injury. With 40 cases worldwide, little is known about coping strategies predicting resilient outcomes.
Design: Six patients followed in Boston, completed the Brief COPE (Carver, 1997) along with validated measures of depression, self-esteem, and quality of life - every 3 months during the first year post-transplant and every 6 months thereafter, up to 36 months post-transplant.
A target question for the scientific study of consciousness is how dimensions of consciousness, such as the ability to feel pain and pleasure or reflect on one's own experience, vary in different states and animal species. Considering the tight link between consciousness and moral status, answers to these questions have implications for law and ethics. Here we point out that given this link, the scientific community studying consciousness may face implicit pressure to carry out certain research programs or interpret results in ways that justify current norms rather than challenge them.
View Article and Find Full Text PDFChronic kidney disease involves disturbances in iron metabolism including anemia caused by insufficient erythropoietin (EPO) production. However, underlying mechanisms responsible for the dysregulation of cellular iron metabolism are incompletely defined. Using the unilateral ureteral obstruction (UUO) model in and mice, we asked if iron regulatory proteins (IRPs), the central regulators of cellular iron metabolism and suppressors of EPO production, contribute to the etiology of anemia in kidney failure.
View Article and Find Full Text PDFThe present article describes the decommissioning of a self-shielded 18 MeV medical cyclotron IBA Cyclone 18/9 after 14 years of operation. A Monte Carlo simulation of the possible nuclear reactions was performed in order to plan the decommissioning activities. During the cyclotron dismantling, the activities of the cyclotron components, concrete wall and floor samples were measured.
View Article and Find Full Text PDFThere is limited experience with facial retransplantation (fRT). We report on the management of facial retransplantation in a facial vascularized composite allotransplant recipient following irreversible allograft loss 88 months after the first transplant. Chronic antibody-mediated rejection and recurrent cellular rejection resulted in a deteriorated first allograft and the patient underwent retransplantation.
View Article and Find Full Text PDFBackground: Sirolimus is an immunosuppressive agent used in organ rejection prophylaxis in solid-organ transplantation, graft-vs-host disease prophylaxis in hematopoietic stem cell transplantation, and as an immune modulator for patients with lymphangioleiomyomatosis and vascular malformations. Sirolimus has a narrow therapeutic index with potential severe side effects, including hypertension, hepatotoxicity, nephrotoxicity, and neurotoxicity.
Case Report: We report a case of a 19-year-old woman with severe sickle cell disease who underwent a matched unrelated hematopoietic stem cell transplantation, whose course was complicated by sirolimus toxicity.
Purpose: Sickle cell patients receiving chronic RBC exchange require a form of long-term central venous access if peripheral access is inadequate. In adults, dual lumen (DL) ports have been utilized but associated with greater procedure complications and duration when compared to other forms of access. In the pediatric sickle cell population, the use of DL ports for RBC exchange has not been well described.
View Article and Find Full Text PDFReports an error in "Identity confusion in complicated grief: A closer look" by Benjamin W. Bellet, Nicole J. LeBlanc, Marie-Christine Nizzi, Mikaela L.
View Article and Find Full Text PDFComplicated grief (CG) is characterized by a wide range of symptoms, including identity confusion or a sense that a part of oneself has died with the decedent. Although identity confusion is a commonly reported feature of CG, little is known about which specific aspects of self-concept are compromised. In the current study, we used qualitative coding methods to investigate which aspects of the sense of self differed between those with and without CG in a sample of 77 bereaved adults.
View Article and Find Full Text PDFThe Internet of Things (IoT) context brings new security issues due to billions of smart end-devices both interconnected in wireless networks and connected to the Internet by using different technologies. In this paper, we propose an attack-detection method, named Data Intrusion Detection System (DataIDS), based on real-time data analysis. As end devices are mainly resource constrained, Fog Computing (FC) is introduced to implement the DataIDS.
View Article and Find Full Text PDFBackground: After hematopoietic stem cell transplantation (HSCT) autoimmune hemolytic anemia (AIHA) is a known and fairly common complication. It is often refractory to conventional therapies including corticosteroids, intravenous immunoglobulin, splenectomy, and the more recently described use of monoclonal antibodies. The high morbidity associated with these severe persistent cases elucidates the gaps in alternative therapies available for treatment.
View Article and Find Full Text PDFBackground: Face transplantation is a novel option for patients with severe facial disfigurement. Quality of life (QoL) outcomes of face transplantation remain poorly understood.
Objectives: We sought to evaluate psychosocial functioning among 6 patients undergoing facial transplantation.
A 10-year-old boy presented with spontaneous bruising and was found to have extreme thrombocytosis without neutrophilia/shift to immaturity, basophilia or eosinophilia. While the peripheral blood and bone marrow findings initially suggested essential thrombocythemia, BCR-ABL1 translocation was detected and chronic myeloid leukemia, chronic phase, was diagnosed. Apheresis for platelet depletion was performed as a bridge given the delayed effects of medical therapy.
View Article and Find Full Text PDFIron-regulatory protein 1 (IRP1) belongs to a family of RNA-binding proteins that modulate metazoan iron metabolism. Multiple mechanisms are employed to control the action of IRP1 in dictating changes in the uptake and metabolic fate of iron. Inactivation of IRP1 RNA binding by iron primarily involves insertion of a [4Fe-4S] cluster by the cytosolic iron-sulfur cluster assembly (CIA) system, converting it into cytosolic aconitase (c-acon), but can also involve iron-mediated degradation of IRP1 by the E3 ligase FBXL5 that also targets IRP2.
View Article and Find Full Text PDFGeriatr Psychol Neuropsychiatr Vieil
September 2016
Do patients with Alzheimer's disease loose themselves? The impact of dementia on the sense of self has been extensively studied over the past 15 years. However, most studies investigate only one marker of the self - such as mirror self-recognition or the use of the pronoun "I" - and do not track how this marker evolves in the course of the illness in comparison to other markers. This situation has resulted in fragmented findings rather than converging evidence for a coherent model of the self in dementia.
View Article and Find Full Text PDFCollagen is the most abundant protein in animals. Its overproduction is associated with fibrosis and cancer metastasis. The stability of collagen relies on post-translational modifications, the most prevalent being the hydroxylation of collagen strands by collagen prolyl 4-hydroxylases (CP4Hs).
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