Heterotopic ossification (HO) is a pathological process in which ectopic bone tissue forms within soft tissues such as tendons, resulting in pain, limited range of motion, and functional disability that reduces the quality of life. In recent years, tendon stem/progenitor cells (TSPCs) have been considered a key cellular source of HO due to their inherent multilineage differentiation potential. This review aims to systematically elaborate on the advances in the functional regulation and mechanisms of TSPCs in HO. Existing evidence (including lineage tracing and clinical studies) indicates that under the stimulation of trauma, inflammation, and other factors, the chondrogenic and osteogenic differentiation of TSPCs are abnormally activated, shifting their fate from tendon repair to ectopic bone formation. This process is centrally regulated by osteochondrogenesis-related signaling pathways such as BMP, as well as inflammatory signaling pathways such as NF-κB. External factors such as mechanical and inflammatory microenvironment also play important stimulatory roles. Based on these mechanisms, drugs and biomaterials targeting the function of TSPCs have shown potential for the prevention and treatment of HO. Future research needs to explore the heterogeneity of TSPCs and the spatiotemporal dynamics of their regulatory networks, providing theoretical support for the clinical translation of therapeutic strategies.

Childhood maltreatment is a well-established transdiagnostic risk factor for psychopathology. Effective intervention requires a precise understanding of how distinct dimensions of adversity-neglect (deprivation) and abuse (threat)-uniquely shape emotion regulation. In a large, matched sample constructed using cardinality and optimal pair matching methods, we examined the differential associations between neglect, abuse, and their combination and a broad spectrum of emotion regulation difficulties and mental health outcomes including depression, anxiety, and suicide risk. Neglect was linked to a decreased use of regulatory strategies, reflecting a lack of essential developmental inputs. Abuse was associated with disrupted application of existing strategies, indicating interference with functional regulation. Critically, combined exposure to both neglect and abuse resulted in the most pervasive impairments across basic, cognitive, and interpersonal regulation. These findings support dimensional models of adversity and underscore the need for future research on trauma-specific interventions tailored to early-life experiences of threat and deprivation.

Ion channels are essential for sensing somatic stimuli, and their dysregulation can cause chronic conditions such as neuropathic pain. Although the potassium channel Twik-1 has been linked to sensory processing, its specific roles in the somatosensory system under normal and disease conditions remain unclear. Here, we demonstrate that systemic deletion of Twik-1 selectively reduces innocuous tactile and noxious mechanosensation evoked by both static and dynamic mechanical stimuli and facilitates recovery from mechanical hypersensitivity after peripheral nerve injury. Conditional deletion of Twik-1 in spinal cord neurons, pan-inhibitory neurons, or spinal inhibitory interneurons consistently disrupts innocuous tactile and noxious mechanical sensitivity, while sparing responses to high-intensity mechanical stimulation as well as noxious heat and cold. Notably, these manipulations do not affect nerve injury-induced mechanical hypersensitivity. In contrast, selective deletion of Twik-1 in dorsal root ganglion (DRG) neurons preserves baseline somatosensory and nociceptive functions, including innocuous tactile and noxious mechanical sensitivity, but impairs the persistence of mechanical hypersensitivity after nerve injury. This reduction in hypersensitivity is accompanied by decreased aberrant excitability in injured DRG neurons and distinct transcriptional changes. Together, these results suggest that Twik-1 facilitates innocuous tactile and noxious mechanosensation through spinal inhibitory circuits under baseline conditions, while supporting the maintenance of neuropathic pain via its functions in primary sensory neurons.

Background: Burn injuries are increasingly being recognized as chronic conditions with long-term physical, emotional, and social consequences. As survival after acute burn trauma improves, greater attention has shifted toward health-related quality of life (QoL) in survivors, particularly in regions where data remain limited. Methods: This study included burn survivors treated between January 2022 and December 2023 in the Department of Plastic Surgery and Reconstructive Microsurgery of the Emergency Clinical Hospital "Bagdasar-Arseni," Bucharest, Romania. Patients who survived hospitalization and follow-up were invited to complete a Romanian-adapted version of the Burn Specific Health Scale-Brief (BSHS-B). Demographic and clinical data were collected from medical records, including burn type, total body surface area (TBSA), burn depth, burn localization, and access to rehabilitation services. Statistical analysis included descriptive methods, chi-square tests, t-tests, Kendall's tau-b, Cramer's V, Cronbach's alpha, and exploratory factor analysis. Results: Thirty-eight patients were included. Most burns were thermal (94.74%), while burns involving <10% TBSA were most frequent (60.53%). Functional outcomes were generally favorable, with most patients reporting no difficulty in basic daily activities such as bathing, dressing, and writing. However, fine motor activities and return to previous work were more frequently affected. Emotional recovery appeared less complete, with persistent mild-to-moderate loneliness, sadness, and emotional distress reported by many participants. Women reported higher levels of loneliness (p = 0.015), while third-degree burns were associated with more frequent depressive symptoms (p = 0.008). Depressive symptoms were also significantly associated with functional limitations (such as getting dressed, p = 0.002) and work impairment (p < 0.001). The adapted functional and emotional subscales showed excellent internal consistency. Conclusions: Post-burn recovery extends beyond physical healing. Although most patients regained functional independence, emotional distress and occupational difficulties often persisted. These findings support the need for multidisciplinary long-term burn care integrating physical rehabilitation, psychological screening, and psychosocial support.

Peripheral nerve injury leads to progressive neuromuscular junction (NMJ) destabilization and acetylcholine receptor (AChR) degradation, which are critical drivers of denervation-induced muscle atrophy and impaired motor recovery. However, the post-transcriptional mechanisms regulating AChR stability during denervation remain poorly understood. Here, we investigated the role of miR-206-3p in NMJ maintenance and muscle preservation after denervation, with a focus on its interaction with the RNA-binding protein cytoplasmic polyadenylation element binding protein 1 (Cpeb1). Using C2C12 myoblasts and a sciatic nerve transection mouse model, we demonstrate that miR-206-3p promotes myogenic differentiation, enhances AChR clustering, and preserves postsynaptic AChR morphology. miR-206-3p directly targets the 3' untranslated region of Cpeb1, suppressing its expression, as confirmed by dual-luciferase reporter assays. In vivo, adeno-associated virus-mediated overexpression of miR-206-3p delayed denervation-induced AChR fragmentation, attenuated muscle atrophy, and significantly improved motor function recovery. Conversely, Cpeb1 overexpression accelerated AChR degradation and muscle wasting, whereas co-overexpression of miR-206-3p mitigated these detrimental effects, indicating that Cpeb1 is a key downstream effector of miR-206-3p. Collectively, our findings identify the miR-206-3p/Cpeb1 axis as a previously unrecognized regulator of NMJ stability and muscle integrity after denervation, providing mechanistic insight and a potential therapeutic target for preserving neuromuscular function during prolonged denervation.

Extracorporeal life support provides temporary cardiorespiratory support for patients with severe, potentially reversible cardiac and/or respiratory failure refractory to conventional measures. Its application has broadened across a wide spectrum of critical illness, yet the mechanistic basis of its physiological benefit remains incompletely defined.This review explores the mechanisms through which extracorporeal life support may confer benefit in respiratory and cardiac failure. These include restoration of gas exchange, optimization of circulatory dynamics, and mitigation of secondary organ injuries, creating conditions that facilitate tissue repair, enable adjunctive therapies, and in selected cases, provide a bridge to transplantation. In isolated respiratory failure, respiratory extracorporeal life support stabilizes gas exchange and modulates respiratory drive, enabling lung-protective ventilation and potentially attenuating ventilator- and patient self-inflicted lung injury. In cardiogenic shock, cardiac extracorporeal life support restores systemic perfusion and may reduce myocardial oxygen demand, while during cardiac arrest it may confer neuro-protective effects. In combined cardiorespiratory failure, advanced extracorporeal support modalities may augment both systemic and pulmonary circulation, supporting gas exchange and maintaining end-organ perfusion. Mechanistically, these interventions interrupt the cascade of hypoxemia- and/or hypercapnia- induced pulmonary vasoconstriction, right ventricular overload, and systemic hypoperfusion, facilitating multi-organ recovery. Optimizing patient selection, timing for extracorporeal life support initiation, and use of adjunctive therapies require a nuanced understanding of the interplay between these physiological pathways alongside careful considerations of key limitations including device-related complications, hematologic and inflammatory perturbations, and physiological trade-offs. This concise clinical review synthesizes the current literature on the mechanistic basis of extracorporeal life support in adults.

Pediatric cardiac arrest primarily arises from asphyxia in infants and trauma in older children, contrasting with adult etiologies dominated by cardiac events. This underscores prevention as the cornerstone of pediatric basic life support, through injury mitigation like child restraint systems and water supervision, safe sleep practices including supine positioning on firm surfaces with caregiver smoking cessation to reduce sudden infant death syndrome, plus awareness of child abuse and adolescent suicide prevention. In hospitals, pediatric early warning systems (PEWS) enable early deterioration detection via vital sign scoring for timely intervention. Major updates in the 2025 pediatric basic life support guidelines reflect evidence-driven refinements. First, hospitals should implement PEWS to prompt rapid response teams for at-risk inpatients. Second, all rescuers (lay and healthcare providers) should employ the two-thumb encircling hands technique for infant chest compressions for optimal depth (about 4 cm), rate (100-120/min), and recoil; one-hand heel compression serves as backup if infeasible. Third, lay rescuers may apply automated external defibrillators for nontraumatic out-of-hospital cardiac arrest in children aged 1 year or older, prioritizing prompt attachment after initial cardiopulmonary resuscitation (CPR) cycles to address potential shockable rhythms. Fourth, for infant foreign body airway obstruction, alternate five back blows (over the spine between scapulae) with five chest thrusts (using heel-of-hand on sternum) until cleared or unresponsive, then transition to CPR. These updates aim to enhance bystander intervention, CPR quality, and survival with favorable neurologic outcomes in pediatric cardiac arrest.

BackgroundWomen's futsal has experienced significant growth, highlighting the importance of understanding psychological need satisfaction and burnout as key determinants of athlete well-being. Basic psychological needs satisfaction, according to Self-Determination Theory, and athlete burnout are key constructs in promoting healthy and sustainable sports environments. Foot injuries are also prevalent in high-intensity sports such as Futsal and may be related to psychological outcomes in athletes.ObjectivesThis study aimed to examine the relationship between psychological need satisfaction and burnout in female futsal players, and to explore associations between foot and ankle injuries (podiatric pathology), age, and sport experience with these psychological variables.DesignObservational, cross-sectional, descriptive study.MethodsNinety-four adult female futsal players from first and second national divisions participated. Participants completed a sociodemographic and injury questionnaire, the Athlete Burnout Questionnaire (ABQ), and the Psychological Needs in Sport Questionnaire (PNSQ-15). Injury history included ankle sprains, plantar fasciitis, Achilles tendinopathy, fifth metatarsal fractures, and anterior cruciate ligament ruptures. Data were analyzed using descriptive and correlational statistics.ResultsThe majority of players (85%) reported previous injuries, with ankle sprains (73.4%) and plantar fasciitis (35.1%) being most common. PNSQ-15 scores indicated high activation and concentration, with moderate confidence and motivation. Greater age and sport experience were associated with higher concentration and motivation. ABQ scores were moderate overall; more weekly training hours were associated with lower burnout in the dimensions of reduced sense of accomplishment and sport devaluation. Players with plantar fasciitis showed higher burnout scores, particularly in reduced sense of accomplishment (p=0.036).ConclusionFemale futsal players showed favorable psychological skills and moderate levels of burnout. Age, sport experience, and training load were associated with some psychological dimensions, while the presence of certain foot injuries was related to higher burnout scores. These findings suggest that psychological need satisfaction, training load, and injury history are interrelated factors influencing burnout and psychological well-being in female futsal players.