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Selective utilization of medicinal polysaccharides by human gut Bacteroides and Parabacteroides species.

Nat Commun

January 2025

Cancer Center, Faculty of Health Sciences, Ministry of Education (MOE) Frontiers Science Center for Precision Oncology, University of Macau, Macau, Macau, SAR, China.

Human gut Bacteroides and Parabacteroides species play crucial roles in human health and are known for their capacity to utilize diverse polysaccharides. Understanding how these bacteria utilize medicinal polysaccharides is foundational for developing polysaccharides-based prebiotics and drugs. Here, we systematically mapped the utilization profiles of 20 different medicinal polysaccharides by 28 human gut Bacteroides and Parabacteroides species.

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Claudin-3 deficiency inhibits allergic responses in an ovalbumin-induced asthma mouse model.

Allergol Int

January 2025

Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan; Department of Respiratory Medicine, Tokyo Women's Medical University, Tokyo, Japan. Electronic address:

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Decoding the functional impact of the cancer genome through protein-protein interactions.

Nat Rev Cancer

January 2025

Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Emory University, Atlanta, GA, USA.

Acquisition of genomic mutations enables cancer cells to gain fitness advantages under selective pressure and, ultimately, leads to oncogenic transformation. Interestingly, driver mutations, even within the same gene, can yield distinct phenotypes and clinical outcomes, necessitating a mutation-focused approach. Conversely, cellular functions are governed by molecular machines and signalling networks that are mostly controlled by protein-protein interactions (PPIs).

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Construction of isopentenol utilization pathway and artificial multifunctional enzyme for miltiradiene synthesis in Saccharomyces cerevisiae.

Bioresour Technol

January 2025

School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China; Frontiers Science Center for Synthetic Biology, Tianjin University, Tianjin, PR China; Key Laboratory of System Bioengineering (Tianjin University), Ministry of Education, Tianjin, PR China. Electronic address:

Miltiradiene serves as a pivotal precursor for the synthesis of numerous abietane-type diterpenes with important pharmacological activities. The endogenous mevalonate (MVA) pathway is tightly regulated in Saccharomyces cerevisiae, which limits the availability of precursors for the heterologous production of miltiradiene. In this study, the orthogonal isopentenol utilization pathway (IUP) was constructed and investigated for its adaptability with mitochondria and peroxisomes in S.

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Dual ferroptosis induction in N2-TANs and TNBC cells via FTH1 targeting: A therapeutic strategy for triple-negative breast cancer.

Cell Rep Med

January 2025

Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research and Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China. Electronic address:

Tumor-associated neutrophils (TANs) play a critical role in the progression and prognosis of triple-negative breast cancer (TNBC), with N2-type TANs known for their pro-tumor characteristics. This study introduces CT-1, a derivative of cryptotanshinone that effectively suppresses TNBC growth while selectively reducing the proportion of N2-type TANs within tumor tissue. Notably, CT-1 induces simultaneous ferroptosis in both N2-type TANs and TNBC cells, a dual mechanism that enhances its therapeutic efficacy.

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