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Traditional Use of Medicinal Plants Confirmed by the Baka in Southern and Eastern Cameroon

Journal of Biosciences and Medicines 2024年第8期12卷 76-106页

作者： Natacha Nana Afiong Pascal Billong Fils Karelle Kouetchua Guekam Eloge Kambale Muhesi Eva Avila Martin Guillermo Ros Brull Julia E. Fa Stephan Michael Funk Evariste Fongnzossie Fedoung Jean Lagarde Betti Department of Biology and Physiology of Plant Organisms University of Douala Douala Cameroon Zerca y lejos ONGD Madrid Spain Department of Natural Sciences School of Science and the Environment Manchester Metropolitan University Manchester UK Center for International Forestry Research (CIFOR) CIFOR Headquarters Bogor Indonesia Nature Heritage Jersey Channel Islands Manchester UK Laboratory of Forest Resources and Wood Valorization Training Unit in Engineering Sciences Post Graduate School of Fundamental and Applied Sciences University of Douala Douala Cameroun Department of Wood Sciences Higher Institute of Agriculture Wood Water resources and Environment University of Ber-toua Bertoua Cameroon

The limitations of biomedecine to provide effective solutions to certain pandemics has led many people to turn to alternative therapies. These palliative solutions, particularly phytomedecines, are much sought after for disease prevention and treatment. The Baka, a group of forest-dwelling people, hold knowledge on how wild plants can be effective in treating many illnesses. However, the greatest challenge for the identification of traditional medicines depends on the veracity of the information provided during ethnobotanic surveys by user populations. The present study describes forest plants used by the Baka and confirmed by them as being employed for traditional medicine. We carried out ethnobotanical surveys between 2019 and 2021 in 221 households within four districts of the Eastern and Southern Region of Cameroon. We used indices of significant use and performance applied to all mentioned species, alongside searches in the literature. The statistical tools used to distinguish the different groups/districts is Pearson’s X2 test. A total of 378 plant species were identified of 270 genera and 85 families. Ethnobotanical indices allowed to identify the most confirmed and efficient plants for several health problems. A pairwise comparison of these indices showed a significant correlation with a p-value molecules responsible for their biological activity was also proven, justifying their use in traditional medicine. This paper examines the potential to enhance the value of Cameroon’s pharmacopeia by integrating various ethnobotanical indices. It aims to discover new therapeutic molecules and develop improved traditional products from the diverse plant species documented. The findings indicate opportunities to advance both local and global healthcare solutions.

关键词： Confirmed Plants Import-Substitution Improved Traditional Medicine (ITM) Sustainable Development Goals therapeutic molecules

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Pharmaceutical applications of framework nucleic acids

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Acta Pharmaceutica Sinica B 2022年第1期12卷 76-91页

作者： Liang Chen Jie Zhang Zhun Lin Ziyan Zhang Miao Mao Jiacheng Wu Qian Li Yuanqing Zhang Chunhai Fan School of Pharmaceutical Sciences Sun Yat-sen UniversityGuangzhou 510006China School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules and National Center for Translational MedicineShanghai Jiao Tong UniversityShanghai 200240China Institute of Molecular Medicine Shanghai Key Laboratory for Nucleic Acids Chemistry and NanomedicineRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200127China

DNA is a biological polymer that encodes and stores genetic information in all living organism. Particularly, the precise nucleobase pairing inside DNA is exploited for the self-assembling of nanostructures with defined size, shape and functionality. These DNA nanostructures are known as framework nucleic acids(FNAs) for their skeleton-like features. Recently, FNAs have been explored in various fields ranging from physics, chemistry to biology. In this review, we mainly focus on the recent progress of FNAs in a pharmaceutical perspective. We summarize the advantages and applications of FNAs for drug discovery, drug delivery and drug analysis. We further discuss the drawbacks of FNAs and provide an outlook on the pharmaceutical research direction of FNAs in the future.

关键词： DNA nanotechnology Self-assembly Framework nucleic acids DNA nanostructures Drug discovery therapeutic molecules Drug delivery Drug analysis

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Recent progress of aptamer-drug conjugates in cancer therapy

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Acta Pharmaceutica Sinica B 2023年第4期13卷 1358-1370页

作者： Jiaxuan He Qiao Duan Chunyan Ran Ting Fu Yuan Liu Weihong Tan The Cancer Hospital of the University of Chinese Academy of Sciences(Zhejiang Cancer Hospital) The Key Laboratory of Zhejiang Province for Aptamers and TheranosticsHangzhou Institute of Medicine(HIM)Chinese Academy of SciencesHangzhou 310022China Molecular Science and Biomedicine Laboratory(MBL) State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringCollege of BiologyAptamer Engineering Center of Hunan ProvinceHunan UniversityChangsha 410082China Institute of Molecular Medicine(IMM) Renji HospitalShanghai Jiao Tong University School of Medicineand College of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai 200240China

Aptamers are single-stranded DNA or RNA sequences that can specifically bind with the target protein or molecule via specific secondary *** to antibody-drug conjugates(ADC),aptamer-drug conjugate(ApDC)is also an efficient,targeted drug for cancer therapy with a smaller size,higher chemical stability,lower immunogenicity,faster tissue penetration,and facile *** all these advantages,several key factors have delayed the clinical translation of ApDC,such as in vivo off-target effects and potential safety *** this review,we highlight the most recent progress in the development of ApDC and discuss solutions to the problems noted above.

关键词： Aptamer Cancer therapy Aptamer-drug conjugate Drug delivery Small-molecule drug therapeutic molecules Nucleic acid drugs Biotherapeutic drug

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