🧬 biology

Isolation, Characterization, and Probiotic Potential of Bacillus subtilis Strain WW12 from Wild Wolf (Canis lupus) Feces with Protective Effects Against Murine Colitis

本研究确定了从野狼粪便中分离出的枯草芽孢杆菌(*Bacillus subtilis*)WW12菌株是一种安全且有效的益生菌候选菌株,它通过增强应激耐受性、抑制病原体、调节肠道菌群并抑制炎症信号通路,从而缓解小鼠结肠炎。

Songda Li, Shiyi Yang, Hengchuan Zhang, Chuyuan Xu, An Hu, Jie Liu, Guilian Yang, Ming Li2026-07-08
🧬 biology

Impedance changes detected by electrical impedance tomography during acute and chronic hydrocephalus progression: An experimental animal study

这项实验性动物研究表明,电阻抗断层成像(EIT)能够有效实现对兔子脑积水进展的连续、动态监测,在急性病例中显示出与颅内压的强负相关性,并能检测出急性及慢性模型中的空间变化,尽管其对急性进展的敏感性更高。

Haoting Li, Mengmeng Wang, Bin Yang, Xuechao Liu, Wentao Li, Feng Fu, Jincheng Liu2026-07-08
🧬 biology

Neuroprotective Potential of Edible Bird’s Nest and Thymoquinone in Parkinsonian Zebrafish

本研究通过证明高剂量会导致毒性,而低剂量则在不诱发焦虑的情况下增强运动活性,从而确定了燕窝(60–90 mg/kg)和百里香醌(20–110 mg/kg)在斑马鱼体内安全且行为中性的给药范围,进而为未来帕金森病中的神经保护研究优化参数。

Khaled Ramadan Algantri, Zunariah Bt. Buyong, Muhammad 'Adil Bin Zainal Abidin, Abdul Rahman Mahmoud Fata Nahas, Mohd Ha (…)2026-07-08
🧬 biology

Targeting Kv1.3 Potassium Channels: iTBS Attenuates Pro-Inflammatory Microglia to Mitigate Early Neuroinflammation and Neuronal Pyroptosis After Ischemic Stroke

本研究表明,间歇性爆发式 θ\theta 脉冲刺激(iTBS)通过一种涉及小胶质细胞依赖性机制,即通过下调 Kv1.3 通道使小胶质细胞从促炎表型转变为抗炎表型,从而抑制梗死灶周围区域的神经元焦亡,进而减轻亚急性缺血性卒中损伤。

Meixi Liu, Yi Lin, Congqin Li, Zijian Hua, Guohui Yang, Chong Guan, Congyu Jiang, Junfa Wu, Yi Wu, Xiao Xiao, Lu Luo2026-07-08
🧬 biology

An Integrative Computational and Experimental Approach to Characterizing Anti-Quorum Sensing and Anti-Biofilm Activities of Natural Compounds Targeting LuxS in Klebsiella pneumoniae

本研究采用计算与实验相结合的综合方法,旨在确定白藜 황酮(resveratrol)作为一种极具前景的抗毒力药物,其能有效靶向 LuxS 系统,从而抑制多重耐药肺炎克雷伯菌(*Klebsiella pneumoniae*)的群体感应及生物膜形成。

Mashego Jackson Mamosebo, Suheena Ayrga, Shabir Ahmed Madhi, Shama Khan2026-07-08
🧬 biology

Genome-wide Characterization of Endogenous Viral Elements Reveals Extensive Viral Diversity in Culicinae Mosquitoes

本研究通过分析19个按蚊亚科(Culicinae)蚊子基因组,呈现了迄今为止最全面的内源性病毒元件(EVEs)目录,揭示了广泛的病毒多样性、非随机的整合模式以及优势EVEs的保守性,为蚊子的进化和抗病毒免疫提供了新的见解。

Vikas Sharma, Neha Verma, Ankush Sharma, Alfia Ashraf, Ranjana Raju, Harsh Apurva, Kalichamy Alagarasu, Anisha Pulinchan (…)2026-07-08
🧬 biology

Biological costs associated with metabolic and target-site insecticide resistance in Anopheles gambiae: evidence from the E205D-CYP6P3 and L995F-kdr markers in field populations from Cameroon

这项研究表明,在喀麦隆的冈比亚按蚊(*Anopheles gambiae*)种群中,代谢抗性(E205D-CYP6P3)和靶标位点抗性(L995F-kdr)会产生截然不同的、具有阶段特异性的适应性代价,导致在杀虫剂压力缓解后靶标位点突变迅速下降,而代谢抗性则持续存在,从而凸显了制定针对特定机制的抗性管理策略的必要性。

Magellan Tchouakui2026-07-08