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Extracellular vesicles:Emerging tools as therapeutic agent carriers

Acta Pharmaceutica Sinica B 2022年第10期12卷 3822-3842页

作者： Shan Liu Xue Wu sutapa chandra Christopher Lyon Bo Ning Li jiang Jia Fan Tony Y.Hu Sichuan Provincial Key Laboratory for Human Disease Gene Study Department of Medical GeneticsDepartment of Laboratory MedicineSichuan Academy of Medical Sciences&Sichuan Provincial People’s HospitalChengdu 610072China Department of Biochemistry and Molecular Biology Center for Cellular and Molecular DiagnosisSchool of MedicineTulane UniversityNew OrleansLA 70112USA The M.O.E.Key Laboratory of Laboratory Medical Diagnostics the College of Laboratory MedicineChongqing Medical UniversityChongqing 400016China

Extracellular vesicles(EVs)are secreted by both eukaryotes and prokaryotes,and are present in all biological fluids of vertebrates,where they transfer DNA,RNA,proteins,lipids,and metabolites from donor to recipient cells in cell-to-cell *** EV components can also indicate the type and biological status of their parent cells and serve as diagnostic targets for liquid *** can also natively carry or be modified to contain therapeutic agents(e.g.,nucleic acids,proteins,polysaccharides,and small molecules)by physical,chemical,or bioengineering *** to their excellent biocompatibility and stability,EVs are ideal nanocarriers for bioactive ingredients to induce signal transduction,immunoregulation,or other therapeutic effects,which can be targeted to specific cell ***,we review EV classification,intercellular communication,isolation,and characterization strategies as they apply to EV *** review focuses on recent advances in EV applications as therapeutic carriers from in vitro research towards in vivo animal models and early clinical applications,using representative examples in the fields of cancer chemotherapeutic drug,cancer vaccine,infectious disease vaccines,regenerative medicine and gene ***,we discuss current challenges for EV therapeutics and their future development.

关键词： Extracellular vesicle Therapeutic agent Delivery carrier Outer membrane vesicle Cancer therapy Infectious disease vaccine Regenerative medicine Gene therapy

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Carcinogenic Helicobacter pylori in gastric pre-cancer and cancer lesions: Association with tobacco-chewing

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World Journal of Gastroenterology 2014年第22期20卷 6860-6868页

作者： Arvind Pandey Satyendra chandra Tripathi sutapa Mahata Kanchan Vishnoi Shirish Shukla Sri Prakash Misra Vatsala Misra Suresh Hedau Ravi Mehrotra Manisha DwivediZ Alok C Bharti Divisionof Molecular Oncology Institute of Cytology and Preventive Oncology (ICMR)Noida 201301India Center for Biotechnology University of AllahabadAllahabad 211002India Clinical Cancer Prevention-Research UT MD Anderson Cancer CenterHoustonTX 77030United States Department of Gastroenterology MLN Medical CollegeAllahabad 211002India Department of Pathology MLN Medical CollegeAllahabad 211002India

AIM: To investigate the low gastric cancer incidence rate relative to the highly prevalent Helicobacter pylori (H. pylori) infection; data relevant to H. pylori infection during gastric carcinogenesis in Indian patien... 详细信息

关键词： UreC CagA Dysplasia Intestinal metaplasia Gastric adenocarcinoma Tobacco chewing

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Microbe—Chloroacetanilide Herbicide Interaction across Soil Type

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Open Journal of Soil Science 2015年第4期5卷 87-99页

作者： sutapa Paul Arunabha Chakravarty Prasanta Kumar Patra Niladri Paul Premasis Sukul Debatosh Mukherjee Department of Agricultural Chemistry and Soil Science Bidhan Chandra Krishi Viswavidyalaya Mohanpur India Department of Agricultural Bio-Chemistry Bidhan Chandra Krishi Viswavidyalaya Mohanpur India

An investigation was carried out under laboratory conditions to study the persistence of butachlor applied at recommended dose (2 kg ai/ha) along with its impact on microbial activity as well as growth of colonial bacteria and fungi in alluvial (Typic Haplaquent), lateritic (Typic Haplustalf) and coastal (Typic Haplaquept) soils. Butachlor caused a significant increment in microbial activity following an initial diminution in between 10 to 22 days of incubation depending on the type of soil. The herbicide resulted in a significant shrinkage in bacterial community during later stages of incubation in lateritic and coastal soils in spite of a significant swelling on the 15th day in lateritic and alluvial soils. Fungal community significantly expanded at the initial stage in lateritic soil and during later stages in alluvial soil by the application of butachlor but shriveled during later stages in the lateritic soil, intermediate stage in coastal soil and initial stages in alluvial soil. Alluvial soil reared the highest population of colonial bacteria and exhibited highest microbial activity while coastal soil significantly pressed them down to the lowest. However, lateritic soil was the best niche for fungal community. Co-metabolism was the main phenomenon in butachlor metabolism particularly in coastal soil, though zymogenous microbes including bacteria and fungi also participated in both lateritic and alluvial soil at certain stages. The persistence of butachlor was the lowest in alluvial soil followed by lateritic and coastal soil, respectively. Among the soil types application of butachlor is safe in alluvial soil.

关键词： Alluvial Soil Lateritic Soil Coastal Soil Bacteria Fungi Butachlor Persistence

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