综述了植物蛋白酶抑制剂抗虫与抗病作用的研究进展。蛋白酶抑制剂广泛存在于植物体内，与植物抗虫抗病密切相关。植物蛋白酶抑制剂能抑制昆虫肠道蛋白酶，使昆虫生长发育缓慢，甚至死亡。但取食蛋白酶抑制剂后，昆虫能迅速分泌对抑制剂不敏感的蛋白酶，而使蛋白酶抑制剂无效。食物蛋白的含量和质量也影响植物蛋白酶抑制剂的抗虫效果。病原菌的感染能诱导植物产生蛋白酶抑制剂，诱导产生的蛋白酶抑制剂能抑制病原菌的生长。

酸性成纤维细胞生长因子（aFGF）是一种重要的生长因子，其生物学效应广泛，具有潜在的临床应用价值。文章概述了aFGF及其受体的结构与功能关系的研究进展，提出了aFGF临床使用时可能存在的问题。

研究了不同碳氮源对金龟子绿僵菌（Metarhizium anisopliae）产生与分解昆虫外壳相关的蛋白酶活性和同工酶谱带的影响。结果表明:蝉蜕、虻虫壳、蝇蛆壳、蚕蛹壳、虾壳、胶体几丁质均可使金龟子绿僵菌产生蛋白酶，虾壳和胶体几丁质所产生的蛋白酶比活性最高，蝉蜕次之。但蛋白酶总活性以蝉蜕最高，虻虫壳次之。样品经等电聚焦电泳后，印迹于X光片上，显示蛋白酶同工酶，蝉蜕和蚕蛹壳产生的蛋白酶同工酶谱带最丰富。以蝉蜕为唯一碳氮源时，金龟子绿僵菌产生蛋白酶的最佳条件为26℃、初始pH6.0、最终孢子浓度n=1×107mL-1。

A comparison has been made between the effects of wounding, chemical stimulation of the immune system and fungal infection on acid phosphatase (AcP) activity in the haemolymph of the desert locust, Schistocerca gregaria. Untreated control locusts had constitutive levels of AcP. As a lysosomal enzyme, AcP may have a role in autophagy and cell turn over as well as defence. Injection of saline and b-1,3-glucan caused significant increases in haemocyte and plasma AcP. AcP activity also increased in the haemolymph on the 3rd day after inoculation with the entomopathogenic fungus M. anisopliae var acridum. This coincided with a decline in the total haemocyte count and a marked reduction in the proportion of plasmatocytes and coagulocytes that stained positive for AcP. Therefore a priori it seemed unlikely that the extra AcP in infected insects came from the host. A fungal origin for the enzyme was suggested by the identification of AcP isoforms from haemolymph of different treatments. Control inoculated (oil only) insects had an AcP at a pI of 4.3 that was stimulated further by the injection of laminarin. Additional isoforms appeared at around 7.3–7.5 in the laminarin treatment. However, the 4.3 isoform appeared to be suppressed in the insects infected with M. anisopliae var acridum. The band intensity was more like that of the control than the laminarin-injected insects. Two new isoforms appeared later on in infection. These enzymes had pIs that corresponded to some of the AcPs produced in vitro by the fungus. The results are discussed in the light of the possible benefits of secreted fungal acid phosphatases to the pathogen.

采用再生几丁质亲和层析和两性电解质等电聚焦电泳，纯化了扁豆荚几丁酶，其分子量30kD，等电点为9.1，主要呈内切酶活性。扁豆荚中不同组织几丁酶比活力有很大差异。在豆荚发育过程中，其酶活性变化呈单峰曲线，而比活力则持续上升，表明扁豆几丁酶活性变化与发育相关。经HgCl2处理后，扁豆荚壳和种子的几丁酶活性均明显提高。在扁豆荚发育的不同阶段，几丁酶的诱导特性也有明显差异，幼嫩豆荚几丁酶诱导活性的增加更为明显。