- Shilajit, a Natural Phytocomplex Acts as a Neuroprotective Agent Against Amyloid Beta-induced Cytotoxicity and Inflammation
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Seoyoung Kim, Changon Seo, HyeJin Park, Jin Gwan Kwon, Jin Kyu Kim, Hyoun Jong Moon, Sunki Lim, Yujeong Gho, Wang Jun Lee, Yongmun Choi, Sanghun Lee
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Perspect Integr Med. 2024;3(2):114-122. Published online June 21, 2024
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DOI: https://doi.org/10.56986/pim.2024.06.007
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 Abstract
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- Background
Shilajit is a natural phytocomplex known for centuries in Ayurveda traditional medicine for its antioxidant, immunomodulatory, and neuroprotective properties. However, there is little published scientific evidence to support these acclaimed properties.
Methods
The safety, regarding the heavy metal content, component analysis, the neuroprotective effects and amyloid beta (Aβ)-induced cytotoxicity and inflammation of 3 samples of Shilajit derived from different geographical origins were assessed. Neuroprotective effects of Shilajit were examined using neuroblastoma cell lines (SH-SY5Y and IMR-32) and cell viability assays. The inhibitory effect on the proinflammatory cytokine derived from macrophage cells was assessed using bone marrow-derived macrophage cells in vitro and in a murine model of Aβ-induced inflammation (ex vivo analysis).
Results
The results showed that a daily dose of each Shilajit sample were within the permissible heavy metal limit established by the United States Food and Drug Administration. The 3 Shilajit samples alleviated Aβ-induced toxicity in neuronal cells. One sample derived from the Altai Mountains suppressed Aβ-induced processing of pro-interleukin (pro-IL)-1β into mature, biologically active IL-1β in macrophages. This Shilajit sample inhibited Aβ-induced production of the proinflammatory cytokine IL-1β in the brain (ex vivo analysis). In component analysis, this sample was enriched in salicyluric acid.
Conclusion
Shared and distinct properties were observed among the 3 Shilajit samples concerning their neuroprotective effects, and regarding safety, the daily dose of each Shilajit had a safe level of heavy metal content. Salicyluric acid in Shilajit may be important in mitigating Aβ-induced inflammatory cytokine but more research is necessary.
- A Modern Interpretation of Cold-Heat Pattern in Traditional Medicine with a Focus on Thermo-Regulation
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Younggwang Kim, Jee Young Lee, Joongho Lee, Sanghun Lee
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Perspect Integr Med. 2024;3(1):18-28. Published online February 22, 2024
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DOI: https://doi.org/10.56986/pim.2024.02.003
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 Graphical Abstract
Abstract
PDFSupplementary Material
 - Cold-heat patterns (C-HPs) in Traditional East Asian Medicine are essential for individually diagnosing and treating patients. However, the concept of C-HPs and their biological mechanisms (thermoregulation) remains unclear. C-HPs studies published between January 2000 and May 2023 were retrieved from 5 databases (PubMed, Google Scholar, OASIS, Korean studies Information Service System, and Research Information Sharing Service). Among the 8,373 articles screened, 132 were included in the review and categorized. Nineteen articles were clinical studies related to traditional concept of C-HP identification, 14 studies investigated diseases affecting thermosensation or thermoregulation, and 99 studies identified candidate genes as potential markers for C-HP identification. Further analysis, including gene ontology, and gene set enrichment analysis of the candidate genes, revealed 3 primary biological processes closely associated with thermoregulation-related genes, including localization, responses to stimuli, and homeostatic processes. Notably there was a significant association between the candidate genes and inflammatory mediator regulation of transient receptor potential channels (p < 0.001). A significant association between C-HPs and inflammation-related pathways across thermosensation-related and thermoregulation-related clinical and preclinical studies was observed, suggesting that the traditional concept of C-HPs should be studied further from an immunological perspective.
- An Observational Study on the Anatomical Characteristics of Acupoint CV23 (Lianquan) with Ultrasonography
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Hongmin Chu, Seongjun Park, Jaehyo Kim, Wonbae Ha, Seung Bum Yang, Kyungho Kang, Jongho Kim, Jungtae Leem, Sanghun Lee
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Perspect Integr Med. 2023;2(1):49-55. Published online February 21, 2023
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DOI: https://doi.org/10.56986/pim.2023.02.007
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Graphical Abstract
Abstract
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 - Background
Acupoint CV23 is one of the most commonly used acupoints for the treatment of post-stroke dysphagia and tongue pain. However, care must be taken during the procedure to consider the position of glands and blood vessels in the subcutaneous space of the acupoint. Needling depths to the geniohyoid muscle reportedly range from 0.4 to 3.3 cm. Using ultrasound imaging, we aimed to observe the anatomical characteristics around acupoint CV23 to derive a safe needling depth.
Methods
Ultrasound images of acupoint CV23 accessed from the Standard Ultrasound Image of Acupoint database were retrospectively analyzed for 30 participants aged in their 20s and 30s (15 male, 15 female), and the depth from the skin to the geniohyoid muscle was measured. Correlations between the needling depth and anthropometric factors (such as neck circumference) were analyzed.
Results
The average needling depth to the geniohyoid muscle was 1.59 ± 0.49 cm (male; 1.43 ± 0.52 cm, female, 1.75 ± 0.42 cm, p = 0.03). The geniohyoid muscle, anterior digastric muscles, and genioglossus muscle were observed in the subcutaneous area of acupoint CV23, and a risk of sublingual gland damage needs to be considered for oblique insertion of the acupuncture needle. No statistically significant correlations between the needling depth and anthropometric factors were observed.
Conclusion
Acupoint CV23 has a relatively shallow needling depth, and considering the presence of blood vessels and glands in the sublingual space, visualizing the surrounding anatomical structures using ultrasound was helpful to ensure safe needling practice.
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Citations
Citations to this article as recorded by  - Survey on the current usage of ultrasound-guided procedures in Korean Medicine Clinics and Hospitals
Ju Yeon Kim, Jung Min Yun, Sook-Hyun Lee, Yoon Jae Lee, Dong Kun Ko, In Heo, Woo-Chul Shin, Jae-Heung Cho, Byung-Kwan Seo, In-Hyuk Ha
Medicine.2024; 103(14): e37659. CrossRef
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