At Long Last： Evidence for Pexophagy in Plants

Peroxisomes are highly dynamic single-membrane-bound eukaryotic organelles displaying great variability in enzymatic content （Platta and Erdmann, 2007）. Plant peroxisomes function in a plethora of crucial development and stress ameliorating processes. Among the functions of plant peroxisomes are 13-oxidation of fatty acids, phytohormone production, participation in photorespiration, the glyoxyalte cycle, detoxification processes, and signal molecule generation （Hu et al., 2012）.     

钙信号与细胞分裂

细胞分裂是生命科学的一项重要研究课题。作为一种主要的第二信使，钙离子一直被认为可能参与细胞分裂的调控。因此，世界上许多实验室很早就针对此假说开展了研究。但是，长期以来，一直找不到明确的实验证据。有些研究者称可观察到钙离子浓度在细胞分裂时有轻微的升高，而其它研究报告却指出钙离子浓度有降低或没有明显的变化。     

Surgical decompression in acute spinal cord injury: A review of clinical evidence,animal model studies,and potential future directions of investigation

The goal for treatment in acute spinal cord injury （SCI） is to reduce the extent of secondary damage and facilitate neurologic regeneration and functional recovery. Although multiple studies have investigated potential new therapies for the treatment of acute SCI, outcomes and management protocols aimed at ameliorating neurologic injury in patients remain ineffective. More recent clinical and basic science research have shown surgical interventions to be a potentially valuable modality for treatment; however, the role and timing of surgical decompression, in addition to the optimal surgical intervention, remain one of the most controversial topics pertaining to surgical treatment of acute SCI. As an increasing number of potential treatment modalities emerge, animal models are pivotal for investigating its clinical application and translation into human trials. This review critically appraises the available literature for both clinical and basic science studies to highlight the extent of investigation that has occurred, specific therapies considered, and potential areas for future research.