Neurotrophic Properties of the Lion's Mane Medicinal Mushroom, Hericium erinaceus (Higher Basidiomycetes) from Malaysia

Lai, Puei-Lene; Naidu, Murali; Sabaratnam, Vikineswary; Wong, Kah-Hui; David, Rosie Pamela; Kuppusamy, Umah Rani; Abdullah, Noorlidah; Malek, Sri Nurestri Abd

doi:10.1615/intjmedmushr.v15.i6.30

Cited by 52 publications

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“…Erinacine is isolated from Hericium erinaceus, a genus of edible mushrooms in the Hericiaceae family consisting of polysaccharides which have anticancer properties and is involved in the immunomodulatory activity against human HCC [10,11]. Hericium erinaceus polysaccharide is a traditional Chinese medicine [12], and beneficial nutrient native to China and other Asian countries, which has previously been employed for treating cancers, lymphatic disease and gastroenteric disorders [13].…”

Section: Introductionmentioning

confidence: 99%

Erinacine Facilitates the Opening of the Mitochondrial Permeability Transition Pore Through the Inhibition of the PI3K/ Akt/GSK-3β Signaling Pathway in Human Hepatocellular Carcinoma

Zhou

et al. 2018

Cell Physiol Biochem

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Background/Aims: Erinacine, which is extracted from the medicinal mushroom Hericium erinaceus, is known to play anticancer roles in human cancers. The following study aims to investigate the role of erinacine in the opening of the mitochondrial permeability transition pore (MPTP) in hepatocellular carcinoma (HCC) through the PI3K/Akt/GSK-3β signaling pathway and highlights the applicability of erinacine in HCC treatments. Methods: HCC and paracancerous tissues were obtained from 85 HCC patients who’ve undergone surgical resection. Immunohistochemistry was adopted to detect positive expression of PI3K, Akt, and GSK-3β. Treatment of HepG-2 with LY294002 (an inhibitor of the PI3K/Akt/GSK-3β signaling pathway) and different concentration of erinacine was performed to determine the involvement of LY294002 in erinacine action. The expressions of PI3K, Akt, GSK-3β, CyclinD1, Vimentin, β-catenin, Bcl-2, E-cadherin, Bax, and caspase-9 were determined by RT-qPCR and Western blot analysis. Cell viability, colony formation rate, migration, invasion, cycle, and apoptosis were detected by MTT, colony formation, wound healing assay, Transwell assay, and flow cytometry, respectively. The size and weight of xenograft tumors were observed in nude mice. Mitochondrial membrane potential in HepG-2 was determined using laser scanning confocal microscopy following JC-1 staining. Mitochondrial Ca²⁺ indicator Rhod-2, AM was used to detect the changes of mitochondrial Ca²⁺, while western blot analysis was employed to detect the presence levels of cytochrome C (cyt-C). Results: The results revealed that PI3K, Akt, and GSK-3β were up-regulated in HCC tissues. Erinacine or LY294002 led to a decrease in mitochondrial membrane potential, increase in intracellular mitochondrial Ca²⁺, and the release of cyt-C in mitochondria. In addition, Erinacine was found to decrease the mitochondrial membrane potential, expression of PI3K, Akt, GSK-3β, CyclinD1, Vimentin, β-catenin, and Bcl-2, cell proliferation, colony formation ability, migration, invasion, and xenograft tumor size, while E-cadherin, Bax, and caspase-9 expression, and cell apoptosis were elevated in a dose-dependent manner. Erinacine also stimulated the effects of LY294002 on the HCC. Following the addition of 500 μM Erinacine and MPTP opening inhibitor CsA, we found that the mitochondrial membrane potential level increased, while mitochondrial Ca2+ and Cyt-C decreased from the mitochondria. Conclusion: The results from the study demonstrated that erinacine induced MPTP opening, facilitates the release of cyt-C, and inhibited cell proliferation, migration, and invasion, while it promotes apoptosis by inactivating the PI3K/Akt/GSK-3β signaling pathway, preventing the progression of HCC.

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Section: Introductionmentioning

confidence: 99%

Erinacine Facilitates the Opening of the Mitochondrial Permeability Transition Pore Through the Inhibition of the PI3K/ Akt/GSK-3β Signaling Pathway in Human Hepatocellular Carcinoma

Zhou

et al. 2018

Cell Physiol Biochem

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“…The formation of neurites from neurons is vital to the functionality and development of the nervous system [61]. From these results, it can be seen that co-culture on laminin with standard media was the condition that provided the most support to the development of neurons in regard to the longest average neurite.…”

Section: Human Oec Co-culture With Neuronsmentioning

confidence: 89%

Impact of Dual Cell Co-culture and Cell-conditioned Media on Yield and Function of a Human Olfactory Cell Line for Regenerative Medicine

2020

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Olfactory ensheathing cells (OECs) are a promising candidate therapy for neuronal tissue repair. However, appropriate priming conditions to drive a regenerative phenotype are yet to be determined. We first assessed the effect of using a human fibroblast feeder layer and fibroblast conditioned media on primary rat olfactory mucosal cells (OMCs). We found that OMCs cultured on fibroblast feeders had greater expression of the key OEC marker p75NTR (25.1 ± 10.7 cells/mm2) compared with OMCs cultured on laminin (4.0 ± 0.8 cells/mm2, p = 0.001). However, the addition of fibroblast-conditioned media (CM) resulted in a significant increase in Thy1.1 (45.9 ± 9.0 cells/mm2 versus 12.5 ± 2.5 cells/mm2 on laminin, p = 0.006), an undesirable cell marker as it is regarded to be a marker of contaminating fibroblasts. A direct comparison between human feeders and GMP cell line Ms3T3 was then undertaken. Ms3T3 cells supported similar p75NTR levels (10.7 ± 5.3 cells/mm2) with significantly reduced Thy1.1 expression (4.8 ± 2.1 cells/mm2). Ms3T3 cells were used as feeder layers for human OECs to determine whether observations made in the rat model were conserved. Examination of the OEC phenotype (S100β expression and neurite outgrowth from NG108-15 cells) revealed that co-culture with fibroblast feeders had a negative effect on human OECs, contrary to observations of rat OECs. CM negatively affected rat and human OECs equally. When the best and worst conditions in terms of supporting S100β expression were used in NG108-15 neuron co-cultures, those with the highest S100β expression resulted in longer and more numerous neurites (22.8 ± 2.4 μm neurite length/neuron for laminin) compared with the lowest S100β expression (17.9 ± 1.1 μm for Ms3T3 feeders with CM). In conclusion, this work revealed that neither dual co-culture nor fibroblast-conditioned media support the regenerative OEC phenotype. In our case, a preliminary rat model was not predictive of human cell responses.

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“…These results show that the extract from P. albidus does not presenttoxicity and can be used with safety in food industry. Al-Temimay et al (2015) and Lai et al (2013) Figure 5. Effect of temperature on the stability of milk-clotting enzymes from P. albidus crude extract, after 1 h of incubation.…”

Section: Al (2015)mentioning

confidence: 92%

Pleurotus albidus: A new source of milk-clotting proteases

Martim¹,

Silva²,

Souza³

et al. 2017

Afr. J. Microbiol. Res.

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Researches have been done to discover new sources of microbial proteases with milk-clotting activity to replace the traditional rennet from calves. The aim of this study was to select a species of edible mushroom as milk-clotting enzymes producer using the submerged fermentation technology. From the six species evaluated, Pleurotus albidus was the one that expressed the highest value of coagulant ratio (21.60). The milk-clotting enzymes showed maximum activity at 60°C and pH 6.0. Iodoacetic acid presented the highest inhibition in proteolytic activity suggesting the presence of cysteine proteases in the crude extract from P. albidus. The enzymes did not present toxic action against human fibroblasts (MRC5) in the analyzed conditions and, for that reason, can be suitable to applications in food industry. This is the first report of milk-clotting enzymes production by the edible mushroom P. albidus

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Neurotrophic Properties of the Lion's Mane Medicinal Mushroom, Hericium erinaceus (Higher Basidiomycetes) from Malaysia

Cited by 52 publications

References 0 publications

Erinacine Facilitates the Opening of the Mitochondrial Permeability Transition Pore Through the Inhibition of the PI3K/ Akt/GSK-3β Signaling Pathway in Human Hepatocellular Carcinoma

Erinacine Facilitates the Opening of the Mitochondrial Permeability Transition Pore Through the Inhibition of the PI3K/ Akt/GSK-3β Signaling Pathway in Human Hepatocellular Carcinoma

Impact of Dual Cell Co-culture and Cell-conditioned Media on Yield and Function of a Human Olfactory Cell Line for Regenerative Medicine

Pleurotus albidus: A new source of milk-clotting proteases

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