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15 Results Found

  • Article
  • Open Access
31 Citations
6,363 Views
9 Pages

Inhibition of Adipogenesis by Diphlorethohydroxycarmalol (DPHC) through AMPK Activation in Adipocytes

  • Min-Cheol Kang,
  • Yuling Ding,
  • Hyun-Soo Kim,
  • You-Jin Jeon and
  • Seung-Hong Lee

10 January 2019

The purpose of this study was to investigate the antiobesity effect and the mechanism of action of diphlorethohydroxycarmalol (DPHC) isolated from Ishige okamurae in 3T3-L1 cells. The antiobesity effects were examined by evaluating intracellular fat...

(This article belongs to the Special Issue Marine Natural Products and Obesity)
  • Article
  • Open Access
38 Citations
4,540 Views
18 Pages

Diphlorethohydroxycarmalol (DPHC) Isolated from the Brown Alga Ishige okamurae Acts on Inflammatory Myopathy as an Inhibitory Agent of TNF-α

  • Seo-Young Kim,
  • Ginnae Ahn,
  • Hyun-Soo Kim,
  • Jun-Geon Je and ,
  • Kil-Nam Kim and
  • You-Jin Jeon
  • + 1 author+ 0 author

26 October 2020

Inflammation affects various organs of the human body, including skeletal muscle. Phlorotannins are natural biologically active substances found in marine brown algae and exhibit anti-inflammatory activities. In this study, we focused on the effects...

  • Article
  • Open Access
12 Citations
4,037 Views
13 Pages

Diphlorethohydroxycarmalol Derived from Ishige okamurae Improves Behavioral and Physiological Responses of Muscle Atrophy Induced by Dexamethasone in an In-Vivo Model

  • Bomi Ryu,
  • Seyeon Oh,
  • Hye-Won Yang,
  • Batsukh Sosorburam and ,
  • Dong-Min Chung,
  • Minyoung Seo,
  • Shin-Jae Park,
  • Kyunghee Byun and
  • You-Jin Jeon
  • + 4 authors+ 0 author

Muscle atrophy refers to the loss of skeletal muscle mass, myofiber size, and related physical functions such as walking speed or grip strength caused by aging or a lack of physical activity due to injury or illness and can also be attributed to exce...

(This article belongs to the Topic Advances in Natural Products from Plants and Associated Microbes)
  • Article
  • Open Access
34 Citations
5,561 Views
11 Pages

Anti-Obesity Effect of Diphlorethohydroxycarmalol Isolated from Brown Alga Ishige okamurae in High-Fat Diet-Induced Obese Mice

  • Yuling Ding,
  • Lei Wang,
  • SeungTae Im,
  • Ouibo Hwang and ,
  • Hyun-Soo Kim,
  • Min-Cheol Kang and
  • Seung-Hong Lee
  • + 2 authors+ 0 author

10 November 2019

Diphlorethohydroxycarmalol (DPHC) is one of the most abundant bioactive compounds in Ishige okamurae. The previous study suggested that DPHC possesses strong in vitro anti-obesity activity in 3T3-L1 cells. However, the in vivo anti-obesity effect of...

(This article belongs to the Collection Marine Drugs in the Management of Metabolic Diseases)
  • Article
  • Open Access
48 Citations
8,783 Views
17 Pages

Diphlorethohydroxycarmalol Inhibits Interleukin-6 Production by Regulating NF-κB, STAT5 and SOCS1 in Lipopolysaccharide-Stimulated RAW264.7 Cells

  • Na-Jin Kang,
  • Sang-Chul Han,
  • Gyeoung-Jin Kang,
  • Dong-Hwan Koo and ,
  • Young-Sang Koh,
  • Jin-Won Hyun,
  • Nam-Ho Lee,
  • Mi-Hee Ko,
  • Hee-Kyoung Kang and
  • Eun-Sook Yoo
  • + 5 authors+ 0 author

13 April 2015

Diphlorethohydroxycarmalol (DPHC) is a phlorotannin compound isolated from Ishige okamuarae, a brown alga. This study was conducted to investigate the anti-inflammatory effect and action mechanism of DPHC in lipopolysaccharide (LPS)-stimulated RAW...

  • Article
  • Open Access
42 Citations
5,607 Views
15 Pages

10 October 2018

Diabetes mellitus causes abnormalities of angiogenesis leading to vascular dysfunction and serious pathologies. Diphlorethohydroxycarmalol (DPHC), which is isolated from Ishige okamurae, is well known for its bioactivities, including antihyperglycemi...

(This article belongs to the Special Issue Seaweeds and Their Biological Actions)
  • Article
  • Open Access
55 Citations
5,710 Views
17 Pages

Diphlorethohydroxycarmalol Attenuates Fine Particulate Matter-Induced Subcellular Skin Dysfunction

  • Ao Xuan Zhen,
  • Mei Jing Piao,
  • Yu Jae Hyun,
  • Kyoung Ah Kang and ,
  • Pincha Devage Sameera Madushan Fernando,
  • Suk Ju Cho,
  • Mee Jung Ahn and
  • Jin Won Hyun
  • + 3 authors+ 0 author

1 February 2019

The skin, the largest organ in humans, is exposed to major sources of outdoor air pollution, such as fine particulate matter with a diameter ≤ 2.5 µm (PM2.5). Diphlorethohydroxycarmalol (DPHC), a marine-based compound, possesses multiple act...

  • Article
  • Open Access
29 Citations
3,728 Views
14 Pages

Diphlorethohydroxycarmalol Isolated from Ishige okamurae Exerts Vasodilatory Effects via Calcium Signaling and PI3K/Akt/eNOS Pathway

  • Yu An Lu,
  • Yunfei Jiang,
  • Hye-Won Yang,
  • Jin Hwang and ,
  • You-Jin Jeon and
  • Bomi Ryu
  • + 1 author+ 0 author

5 February 2021

Nitric oxide (NO) is released by endothelial cells in the blood vessel wall to enhance vasodilation. Marine polyphenols are known to have protective effects against vascular dysfunction and hypertension. The present study is the first to investigate...

(This article belongs to the Special Issue The Therapeutic Approach of Natural Products in Risk Factors of Cardiovascular Disease)
  • Article
  • Open Access
24 Citations
7,054 Views
13 Pages

Protective Effect of Diphlorethohydroxycarmalol against Ultraviolet B Radiation-Induced DNA Damage by Inducing the Nucleotide Excision Repair System in HaCaT Human Keratinocytes

  • Mei Jing Piao,
  • Susara Ruwan Kumara Madduma Hewage,
  • Xia Han,
  • Kyoung Ah Kang and ,
  • Hee Kyoung Kang,
  • Nam Ho Lee and
  • Jin Won Hyun
  • + 2 authors+ 0 author

2 September 2015

We investigated the protective properties of diphlorethohydroxycarmalol (DPHC), a phlorotannin, against ultraviolet B (UVB) radiation-induced cyclobutane pyrimidine dimers (CPDs) in HaCaT human keratinocytes. The nucleotide excision repair (NER) syst...

  • Article
  • Open Access
20 Citations
4,956 Views
16 Pages

18 September 2020

Non-alcoholic fatty liver disease (NAFLD) is a common cause of chronic liver disease, encompassing a range of conditions caused by lipid deposition within liver cells, and is also associated with obesity and metabolic diseases. Here, we investigated...

(This article belongs to the Special Issue Bioactive Compounds from Brown Algae)
  • Article
  • Open Access
26 Citations
4,661 Views
11 Pages

26 February 2020

Particulate matters (PM), the main contributor to air pollution, have become a serious issue that threatens human’s health. Skin is the largest organ in humans, as well as the primary organ exposed to PM. Overexposure of PM induces skin damage....

(This article belongs to the Special Issue Natural Products and Skin Diseases)
  • Article
  • Open Access
18 Citations
6,735 Views
10 Pages

Diphlorethohydroxycarmalol from Ishige okamurae Suppresses Osteoclast Differentiation by Downregulating the NF-κB Signaling Pathway

  • Hye Jung Ihn,
  • Ju Ang Kim,
  • Hye Sung Cho,
  • Hong-In Shin and ,
  • Gi-Young Kim,
  • Yung Hyun Choi,
  • You-Jin Jeon and
  • Eui Kyun Park
  • + 3 authors+ 0 author

6 December 2017

Marine algae possess a variety of beneficial effects on human health. In this study, we investigated whether diphlorethohydroxycarmalol (DPHC), isolated from Ishige okamurae, a brown alga, suppresses receptor activator of nuclear factor-κB ligand (RA...

(This article belongs to the Section Biochemistry)
  • Article
  • Open Access
1 Citations
1,478 Views
11 Pages

Therapeutic Potential of DPHC, A Brown Seaweed Polyphenol, Against TNF-α-Induced Inflammatory Muscle Loss

  • Minji Kim,
  • Won-Woo Lee,
  • Kil-Nam Kim,
  • Young-Mog Kim and ,
  • You-Jin Jeon,
  • Fengqi Yang,
  • Seo-Young Kim and
  • Hyo-Geun Lee
  • + 3 authors+ 0 author

26 September 2025

Inflammatory muscle loss results from excessive inflammatory responses, causing muscle damage and weakness. In the current investigation, we evaluated the protective effects of diphlorethohydroxycarmalol (DPHC) against tumor necrosis factor-alpha (TN...

(This article belongs to the Special Issue High-Value Algae Products, 2nd Edition)
  • Article
  • Open Access
21 Citations
4,090 Views
18 Pages

Polyphenolic Compounds Isolated from Marine Algae Attenuate the Replication of SARS-CoV-2 in the Host Cell through a Multi-Target Approach of 3CLpro and PLpro

  • D. P. Nagahawatta,
  • N. M. Liyanage,
  • Jun-Geon Je,
  • H. H. A. C. K. Jayawardhana and ,
  • Thilina U. Jayawardena,
  • Seong-Hun Jeong,
  • Hyung-Jun Kwon,
  • Cheol Soo Choi and
  • You-Jin Jeon
  • + 4 authors+ 0 author

19 December 2022

A global health concern has emerged as a response to the recent SARS-CoV-2 pandemic. The identification and inhibition of drug targets of SARS-CoV-2 is a decisive obligation of scientists. In addition to the cell entry mechanism, SARS-CoV-2 expresses...

  • Article
  • Open Access
24 Citations
4,243 Views
13 Pages

Ishophloroglucin A Isolated from Ishige okamurae Suppresses Melanogenesis Induced by α-MSH: In Vitro and In Vivo

  • Xining Li,
  • Hye-Won Yang,
  • Yunfei Jiang,
  • Jae-Young Oh and ,
  • You-Jin Jeon and
  • Bomi Ryu
  • + 1 author+ 0 author

17 September 2020

Diphlorethohydroxycarmalol (DPHC) isolated from Ishige okamurae (IO) showed potential whitening effects against UV-B radiation. However, the components of IO as well as their molecular mechanism against α-melanocyte-stimulating hormone (α...