Defensin HNP-1 human is a Human neutrophil peptides (HNPs), involved in endothelial cell dysfunction at the time of early atherosclerotic development.Defensin HNP-1 human can regulate the growth of atherosclerosis.
Chrysomycin B is an antibiotic isolated from a strain of Streptomyces. Chrysomycin B causes DNA damage in the human lung adenocarcinoma A549 cell line and inhibits topoisomerase II. Chrysomycin B suppresses the growth of transplantable tumors in mice.
黄卡瓦胡椒素B
Flavokawain B (Flavokavain B) 是从卡瓦醉椒的根提取物中分离出的查尔酮，是一种抑制各种癌细胞株生长的有效凋亡诱导剂。(Flavokavain B) 具有很强的抗血管生成活性。(Flavokavain B) 以极低的无毒浓度抑制人脑内皮细胞 (HUVEC) 的迁移和血管形成。
二氢细胞松弛素 B
Dihydrocytochalasin B 二氢细胞松弛素 B 是一种细胞分裂抑制剂 (Cytokinesis)，可改变细胞的形态，与细胞松弛素 B 相似。Dihydrocytochalasin B 不抑制葡萄糖转运。Dihydrocytochalasin B 二氢细胞松弛素 B 破坏肌动蛋白结构并抑制生长因子刺激 DNA 合成的能力，可逆地阻断 DNA 合成的起始。Dihydrocytochalasin B 二氢细胞松弛素 B 抑制活性钙转运。
土荆皮乙酸
Pseudolaric Acid B 是一种从 Pseudolarix kaempferi Gorden (pinaceae) 根部分离的二萜酸，具有抗癌、抗真菌、抗受精活性，并对 T 淋巴细胞也具有免疫抑制活性。Pseudolaric Acid B 通过凋亡和细胞周期阻滞抑制乙肝病毒 (HBV) 的分泌。Pseudolaric Acid B 诱导细胞自噬。
蛇孢假壳素B
Ophiobolin B 是一种 Helminthosporium oryzae 的二倍半萜类化合物 (sesterterpene) 的代谢产物，抑制玉米胚芽鞘的质子挤出。Ophiobolin B 抑制壳梭孢素 (FC) 促进的质子挤出，钾的摄取和细胞增大。Ophiobolins B 对不同接合菌的抗真菌作用的 MIC 值为 25-50 μg/mL。
黑僵菌素 B
Destruxin B 是从昆虫病原真菌中分离的绿僵菌 (Metarhizium anisopliae)，是一种具有杀虫和抗癌活性的环肽。 Destruxin B 通过 Bcl-2 家族依赖的线粒体途径在人类非小细胞肺癌细胞中诱导细胞凋亡。Destruxin B 显著激活 caspase-3，并在体外和体内通过 caspase 介导的细胞凋亡减少肿瘤细胞增殖。
刺五加皂苷 B
Ciwujianoside B 是从 Eleutherococcus senticosus 叶中分离出来的，口服后能够渗透并在大脑中起作用。 Ciwujianoside B 显着增强识别记忆的能力。
Ciwujianoside B 显示对小鼠造血系统的辐射保护作用，其与细胞周期的变化，DNA 损伤的减少和暴露于辐射的骨髓细胞中 Bax/Bcl-2 比率的下调相关。
Urolithin B 是 ellagitannins 的肠道微生物代谢产物之一，具有抗炎和抗氧化作用。Urolithin B 通过降低 IκBα 的磷酸化和降解来抑制NF-κB活性。Urolithin B 抑制 JNK、ERK 和 Akt 的磷酸化，增强 AMPK 的磷酸化。Urolithin B 也是骨骼肌质量的调节因子。
丹参酸 B 镁
Magnesium Lithospermate B 是从 Salviae miltiorrhizae 中提取的咖啡酸四聚体的衍生物。Magnesium Lithospermate B 被广泛用于心血管疾病的研究，并且可以防止葡萄糖引起的细胞内氧化损伤。Magnesium Lithospermate B 还能够抑制神经炎症并减轻神经变性。
印楝素 B
Azadirachtin B 是从 Azadirachta indica 种子仁中分离的柠檬苦素。Azadirachtin B 增加碱性磷酸酶 (ALP) 活性并刺激成骨细胞分化。Azadirachtin B 对爱泼斯坦-巴尔病毒早期抗原 (EBV-EA) 具有活性。Azadirachtin B 具有杀虫，杀线虫，抗癌，抗炎，抗病毒和成骨特性。
多粘菌素B九肽
Polymyxin B nonapeptide 是一种阳离子环肽。Polymyxin B nonapeptide 是经酶裂解 Polymyxin B 而产生的衍生物，与 Polymyxin B 相比，Polymyxin B nonapeptide 毒性低，缺乏杀菌活性，仍具有破坏革兰氏阴性菌外膜的能力。
Thromboxane B2 is a prostaglandin derivative that is released during anaphylaxis. Thromboxane B2 induces arterial contraction and platelet aggregation.
Cyprodinil is an anilinopyrimidine broad-spectrum fungicide that inhibits the biosynthesis of methionine in phytopathogenic fungi. Cyprodinil inhibits mycelial cell growth of B. cinerea, P. herpotrichoides, and H. oryzae on amino acid-free media (IC50s=0.44, 4.8, and 0.03 µM, respectively). Cyprodinil acts as an androgen receptor (AR) agonist (EC50=1.91 µM) in the absence of the AR agonist DHT and inhibits the androgenic effect of DHT (IC50=15.1 µM).
马兜铃酸 B
Aristolochic acid B 是马兜铃酸 (AA) 的主要成分之一，来自马兜铃科 (Aristolochiaceae) 分类群的天然产物。 已知马兜铃酸是有效的诱变剂和致癌物质。Aristolochic acid B 在体内表现出比 Aristolochic acid I 更大的致癌风险。
Polymyxin B nonapeptide TFA 是一种阳离子环肽。Polymyxin B nonapeptide TFA 是经酶裂解 Polymyxin B 而产生的衍生物，与 Polymyxin B 相比，Polymyxin B nonapeptide TFA 毒性低，缺乏杀菌活性，仍具有破坏革兰氏阴性菌外膜的能力。
8-Azaadenosine is a potent ADAR1 (adenosine deaminases acting on double-stranded RNA) inhibitor. 8-Azaadenosine reduces A-to-I editing activity in a leukemia cell line, restores let-7 and inhibits leukemia stem cells self-renewal in vitro.
Brevetoxin B (Brevetoxin-2; PbTx-2) is a polyketide neurotoxin produced by Karenia species and other dinoflagellates. Brevetoxin B binds to site 5 on the alpha subunit of voltage-gated sodium channels (IC50=15 nM) on neurons at the neuromuscular junction, causing the channel to open irreversibly at potentials more negative than normal, discharging action potentials repetitively. Brevetoxin B is ichthyotoxic at nanomolar concentrations and is responsible for an illness described as neurotoxic shellfish poisoning.
NADA-green, a fluorescent D-amino acid, suitable for labeling peptidoglycans in live bacteria. NADA-green is incorporated into bacterial cell walls during synthesis. NADA-green results in strong peripheral and septal labeling of taxonomically diverse bacterial cell populations without affecting growth rate. Excitation/emission λ ~450/555 nm.
AC 253 is an Amylin (AMY3) receptor antagonist, inhibiting andrenomedulin-stimulated cAMP production. AC 253 protects against oligomeric Aβ-induced increase in intracellular Ca2+, activation of PKA, MAPK, Akt and cFOS and cell death in neuronal cell culture. AC 253 blocks electrophysiological effects of Aβ.
Peonidin chloride is an O-methylated anthocyanidin that functions as a primary plant pigment, endowing purplish-red hues to flowers such as the peony, from which it takes its name, as well as berries and vegetables. Peonidin chloride exhibits chemopreventive, as well as anti-inflammatory activities on cancer cells in vitro, blocking COX-2 expression and transformation in JB6 P+ mouse epidermal cells.
12(S)-HETE D8 contains eight deuterium atoms at the 5, 6, 8, 9, 11, 12, 14 and 15 positions. It is intended for use as an internal standard for the quantification of 12(S)-HETE by GC- or LC-mass spectrometry (MS). 12(S)-HETE D8 is the predominant lipoxygenase product of mammalian platelets. It enhances tumor cell adhesion to endothelial cells, fibronectin, and the subendothelial matrix at 0.1 µM.
IturinA exhibits strong antifungal activity against pathogenic yeast and fungi. Iturin A interacts with the cytoplasmic membrane of the target cell forming ion conducting pores.
