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Cell envelope proteins in bacteria are typically difficult to characterize due to their low abundance, poor solubility, and the problematic isolation of pure surface fraction with only minimal contamination. Here we describe a method for cell membrane fractionation followed by mass spectrometry-based proteomics to analyze and determine protein abundance in bacterial membranes.
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http://dx.doi.org/10.1007/978-1-4939-3676-2_5 | DOI Listing |
Am J Physiol Cell Physiol
September 2025
Humboldt-University zu Berlin, Berlin, Germany.
Skeletal muscle atrophy and weakness are major contributors to morbidity, prolonged recovery, and long-term disability across a wide range of diseases. Atrophy is caused by breakdown of sarcomeric proteins resulting in loss of muscle mass and strength. Molecular mechanism underlying the onset of muscle atrophy and its progression have been analysed in patients, mice, and cell culture but the complementarity of these model systems remains to be explored.
View Article and Find Full Text PDFJ Invest Dermatol
September 2025
Department of Dermatology, Keck School of Medicine of University of South California, Los Angeles, California, USA; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan. Electronic address:
This review examines the roles of galectins, a family of animal lectins, in inflammatory skin diseases, focusing on their involvement in the pathogenesis of psoriasis, atopic dermatitis, contact dermatitis, and common autoimmune diseases. We highlight the differential expression of galectins in lesional skin and their correlation with inflammatory mediators. In addition, we summarize the functions and mechanisms of action of endogenous galectins, as revealed through studies of genetically engineered cell lines and experimental animals.
View Article and Find Full Text PDFNAR Mol Med
April 2025
Tumor Vaccine and Biotechnology Branch, Division of Cellular Therapy 2, Office of Cellular Therapy and Human Tissue, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD 20993, United States.
Changes in global climate have contributed to increased tick and mosquito (vector) populations and subsequent vector-borne flavivirus infections in humans. This increase poses a threat to the safety of human-derived biologics such as cell and gene therapy. We conducted time-course transcriptomic and protein analyses to uncover host molecular factors driving the virulence of Zika virus (ZIKV) and Dengue virus (DENV) in relation to host defense mechanisms, as these viruses have caused recent flavivirus outbreaks.
View Article and Find Full Text PDFJ Mass Spectrom Adv Clin Lab
August 2025
U1135, Centre d'Immunologie et des Maladies Infectieuses (Cimi-Paris), Sorbonne Université, Paris, France.
Introduction: The genus including clinically isolated species and , has a still underexplored role in clinical microbiology. Despite the clinical relevance of spp., current MALDI-TOF commercial systems fail to differentiate these species.
View Article and Find Full Text PDFFront Bioeng Biotechnol
August 2025
Department of Orthopedics, Ningxiang Hospital of Traditional Chinese Medicine, Ningxiang, China.
Introduction: Delayed wound healing remains a significant clinical challenge under diabetic conditions, characterized by chronic inflammation and impaired angiogenesis. Traditional treatments show limited efficacy, highlighting the urgent need for innovative therapeutic approaches.
Methods: This study investigated the therapeutic potential of exosomes derived from subcutaneous adipocytes (Adipo-EVs) using a diabetic mouse model.