CN105055431B - 一种具有抗结核菌的药物及其应用 - Google Patents

一种具有抗结核菌的药物及其应用 Download PDF

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CN105055431B
CN105055431B CN201510490616.6A CN201510490616A CN105055431B CN 105055431 B CN105055431 B CN 105055431B CN 201510490616 A CN201510490616 A CN 201510490616A CN 105055431 B CN105055431 B CN 105055431B
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phosphoiodyns
tubercle bacillus
compound
tulase
concentration
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CN105055431A (zh
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张洪为
丁银环
周攀
韩云炜
杨庆龙
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Affiliated Hospital of Southwest Medical University
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Abstract

本发明属于医药制剂领域,具体公开了一种抗结核菌药物及其应用,由化合物Phosphoiodyns A和辅料组成,发现Phosphoiodyns A具有显著抑制结核菌的活性,具有很好的应用前景,由于属于全新的骨架类型,而且其对于结核菌抑制活性强,具备突出的实质性特点,同时用于结核菌感染的防治显然具有显著的进步。

Description

一种具有抗结核菌的药物及其应用
技术领域
本发明属于医药领域,具体涉及一种具有抗结核菌的药物制剂及其应用。
背景技术
近年来全球结核病的发病呈增高趋势,然而由于结核病患者的治疗管理尚不十分规范,不规则化疗,滥用抗结核药物,使结核病耐药情况日益严重,且耐药性的变化更趋向于多种药物同时耐药,这给结核病的防治工作造成极大困难。因此寻找新的抗结核药物,尤其是抗多药耐药性的抗结核药物对保护人民身体健康,具有重要意义。
本发明涉及的化合物Phosphoiodyns A是一个2013年发表(Hiyoung Kim,Jungwook Chin,Hyukjae Choi,et al.,Phosphoiodyns A and B,Unique Phosphorus-Containing Iodinated Polyacetylenes from a Korean Sponge Placospongiasp.Organic Letters,2013,15(1):100–103.)的新化合物,该化合物拥有全新的骨架类型,目前的用途仅仅涉及抑制人过氧化物酶体增生物激活受体(hPPARδ)活性,(Hiyoung Kim,Jungwook Chin,Hyukjae Choi,et al.,Phosphoiodyns A and B,Unique Phosphorus-Containing Iodinated Polyacetylenes from a Korean Sponge Placospongiasp.Organic Letters,2013,15(1):100–103.),本发明涉及的Phosphoiodyns A在制备治疗抗结核菌药物中的用途属于首次公开。
发明内容
本发明的目的在于提供一种抗结核菌药物及其应用。
技术方案:一种具有抗结核菌的药物制剂,由化合物Phosphoiodyns A和辅料组成,化合物Phosphoiodyns A结构如式(Ⅰ)所示:
所述具有抗结核菌的药物制剂,辅料为糊精或者淀粉。
所述具有抗结核菌的药物制剂在制备抗菌药药物制剂中的应用。
发明人先用卡介苗做应试菌株,采用纸片扩散法对本发明化合物PhosphoiodynsA的抗结核菌活性进行初步试验,根据初步试验的结果,本发明再用固体培养基稀释法测定了该化合物对卡介苗、结核分枝杆菌标准株H37Rv株和耐多药结合分枝杆菌株ISRE MTB三种结核菌的最小抑菌浓度,实验结果证实Phosphoiodyns A具有很强的抗结核菌和抗耐药性结核菌活性,可作为治疗结核菌感染疾病的先导化合物,也可用于制备治疗结核病药物。本发明涉及的Phosphoiodyns A在制备治疗抗结核菌药物中的用途属于首次公开,由于骨架类型属于全新的骨架类型,而且其对于结核菌抑制活性强得意想不到,不存在由其他化合物给出任何启示的可能,具备突出的实质性特点,同时用于结核菌感染的防治显然具有显著的进步。
具体实施方式
本发明所涉及化合物Phosphoiodyns A的制备方法参见文献(Hiyoung Kim,Jungwook Chin,Hyukjae Choi,et al.,Phosphoiodyns A and B,Unique Phosphorus-Containing Iodinated Polyacetylenes from a Korean Sponge Placospongiasp.Organic Letters,2013,15(1):100–103.)
以下通过实施例对本发明作进一步详细的说明,但本发明的保护范围不受具体实施例的任何限制,而是由权利要求加以限定。
实施例1:本发明所涉及化合物Phosphoiodyns A片剂的制备:
取5克化合物Phosphoiodyns A,加入糊精195克,混匀,常规压片制成1000片。
实施例2:本发明所涉及化合物Phosphoiodyns A胶囊剂的制备:
取5克化合物Phosphoiodyns A,加入淀粉195克,混匀,装胶囊制成1000粒。
实验例1:固体培养基稀释法测定Phosphoiodyns A抗卡介苗(BCG)绝对浓度
从斜面上刮取卡介苗培养物,加入到3ml Middlebrook7H9肉汤培养基中,加入少量玻璃珠,旋紧试管盖,于漩涡振荡器上剧烈振动研磨,与标准麦氏比浊管(MacFarlandNo.1)比浊,即配成1mg/ml的卡介苗(BCG)菌悬液。
将Phosphoiodyns A用DMSO配成高浓度的原液,用含5%的吐温-80无菌超纯水稀释原液至所需浓度,将稀释好的Phosphoiodyns A按所需剂量加入到4ml Middlebrook7H11琼脂培养基(该培养基已经121℃高压蒸汽灭菌15分钟、冷却至50~55℃),混匀,制成含Phosphoiodyns A,浓度分别为6.0ug/ml,4.0ug/ml,3.0ug/ml,2.0ug/ml,1.5ug/ml,1.0ug/ml,0.75ug/ml,0.5ug/ml等浓度的斜面培养基。
将浓度为1mg/ml的卡介苗(BCG)菌悬液用接种环蘸取数环,分别接种于含Phosphoiodyns A系列浓度的培养基和空白对照培养基斜面上,置于37℃培养4~8周,观察实验结果,结果如表1所示。
本实施例中所用Middlebrook7H9肉汤培养基和Middlebrook7H11琼脂培养基为本领域技术人员进行结核菌培养时的常用培养基,其配方采用常规配方即可。
实验例2固体培养基稀释法测定Phosphoiodyns A抗结核分枝杆菌标准株H37Rv株绝对浓度
从斜面上刮取结核分枝杆菌标准株H37Rv株培养物,加入到3ml Middlebrook7H9肉汤培养基中,加入少量玻璃珠,旋紧试管盖,于漩涡振荡器上剧烈振动研磨,与标准麦氏比浊管(MacFarland No.1)比浊,即配成1mg/ml的H37Rv株菌悬液。
将Phosphoiodyns A分别用DMSO配成高浓度的原液,用含5%的吐温-80无菌超纯水稀释原液至所需浓度,将稀释好的Phosphoiodyns A按所需剂量加入到4mlMiddlebrook7H11琼脂培养基(该培养基已经121℃高压蒸汽灭菌15分钟、冷却至50~55℃),混匀,制成含Phosphoiodyns A,浓度分别为6.0ug/ml,4.0ug/ml,3.0ug/ml,2.0ug/ml,1.5ug/ml,1.0ug/ml,0.75ug/ml,0.5ug/ml等浓度的斜面培养基。
将浓度为1mg/ml的H37Rv株菌悬液用接种环蘸取数环,分别接种于含Phosphoiodyns A系列浓度的培养基和空白对照培养基斜面上,置于37℃培养4~8周,观察实验结果,结果如表1所示。
实验例3固体培养基稀释法测定Phosphoiodyns A抗耐多药结合分枝杆菌株ISREMTB绝对浓度
从斜面上刮取结核分枝杆菌临床分离耐ISRE MTB株(耐异烟肼、链霉素、利福平、乙胺丁醇结核分枝杆菌临床分离柱)培养物,加入到3ml Middlebrook7H9肉汤培养基中,加入少量玻璃珠,旋紧试管盖,于漩涡振荡器上剧烈振动研磨,与标准麦氏比浊管(MacFarland No.1)比浊,即配成1mg/ml的菌悬液。
将Phosphoiodyns A分别用DMSO配成高浓度的原液,用含5%的吐温-80无菌超纯水稀释原液至所需浓度,将稀释好的Phosphoiodyns A按所需剂量加入到4mlMiddlebrook7H11琼脂培养基(该培养基已经121℃高压蒸汽灭菌15分钟、冷却至50~55℃),混匀,制成含Phosphoiodyns A,浓度分别为6.0ug/ml,4.0ug/ml,3.0ug/ml,2.0ug/ml,1.5ug/ml,1.0ug/ml,0.75ug/ml,0.5ug/ml等浓度的斜面培养基。
将浓度为1mg/ml的耐多药结合分枝杆菌株ISRE MTB菌悬液用接种环蘸取数环,分别接种于含Phosphoiodyns A系列浓度的培养基和空白对照培养基斜面上,置于37℃培养4~8周,观察实验结果,结果如表1所示。
表1固体培养基稀释法测定Phosphoiodyns A抗结核菌绝对浓度结果
结论:本发明化合物Phosphoiodyns A具有很强的抗结核菌和抗耐药性结核菌活性,可作为治疗结核菌感染疾病的先导化合物,也可用于制备治疗结核病药物。

Claims (2)

1.一种化合物Phosphoiodyns A在制备抗结核菌药物制剂中的应用,其特征在于,所述药物制剂由化合物Phosphoiodyns A和辅料组成,化合物Phosphoiodyns A结构如式(Ⅰ)所示:
2.如权利要求1所述化合物Phosphoiodyns A在制备抗结核菌药物制剂中的应用,其特征在于,所述药物制剂辅料为糊精或者淀粉。
CN201510490616.6A 2015-08-11 2015-08-11 一种具有抗结核菌的药物及其应用 Expired - Fee Related CN105055431B (zh)

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