Department of Chemistry, Touro College in Israel, 11 Beit Hadfus Street, Jerusalem 95483, Israel.
Med Hypotheses. 2019 Jan;122:45-47. doi: 10.1016/j.mehy.2018.10.015. Epub 2018 Oct 22.
Autism continues to be a significant cause of psychosocial pathology in affected children and adults. Until recently, the predominant research thrust to uncover the cause of this condition has been the search for a major nuclear mutation. Although a small percentage of cases do demonstrate such a DNA fault, recent effort has come to emphasize problems in the biochemistry of its sufferers. In particular, insulin-like growth factor-1 (IGF) has become the center of concern in many laboratories. A deficiency in this growth factor, leading to insufficient neuron myelination and defective synapse function, appears to result in brain dysconnectivity during the first year of postpartum life, and cause social malfunction in childhood years and beyond. At least three approaches have been reported by which this deficiency can be corrected in neonates before irreversible damage has been caused. The overall purpose of this report is to bring together related observations and to evolve a coherent, plausible explanation of the cause and prevention of autism.
自闭症仍然是导致受影响儿童和成人出现心理病理的一个重要原因。直到最近,为了揭示这种疾病的病因,主要的研究方向一直是寻找主要的核突变。尽管一小部分病例确实表现出这样的 DNA 缺陷,但最近的研究重点已经转向了其患者的生化问题。特别是,胰岛素样生长因子-1(IGF)已成为许多实验室关注的焦点。这种生长因子的缺乏会导致神经元髓鞘形成不足和突触功能缺陷,似乎会导致产后第一年的大脑连接中断,并导致儿童时期及以后的社交功能障碍。据报道,至少有三种方法可以在新生儿期纠正这种缺乏,从而避免不可逆转的损伤。本报告的总体目的是汇集相关观察结果,并对自闭症的病因和预防提出一个连贯、合理的解释。