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  1. Article ; Online: Vitamin D Inadequacy Affects Skeletal Muscle Index and Physical Performance in Lumbar Disc Degeneration.

    Dechsupa, Sinsuda / Yingsakmongkol, Wicharn / Limthongkul, Worawat / Singhatanadgige, Weerasak / Jitjumnong, Manassanan / Honsawek, Sittisak

    International journal of molecular sciences

    2023  Volume 24, Issue 4

    Abstract: Lumbar disc degeneration (LDD) is one of the fundamental causes of low back pain. The aims of this study were to determine serum 25-hydroxyvitamin D (25(OH)D) levels and physical performance and to investigate the relationship between serum vitamin D ... ...

    Abstract Lumbar disc degeneration (LDD) is one of the fundamental causes of low back pain. The aims of this study were to determine serum 25-hydroxyvitamin D (25(OH)D) levels and physical performance and to investigate the relationship between serum vitamin D levels, muscle strength and physical activity in elderly patients with LDD. The participants were 200 LDD patients, including 155 females and 45 males aged 60 years and over. Data on body mass index and body composition were collected. Serum 25(OH)D and parathyroid hormone levels were measured. Serum 25(OH)D was classified into the insufficiency group: <30 ng/mL and the sufficiency group: ≥30 ng/mL. Muscle strength was assessed by grip strength, and physical performance (short physical performance battery) was evaluated by the balance test, chair stand test, gait speed, and Timed Up and Go (TUG) test. Serum 25(OH)D levels in LDD patients with vitamin D insufficiency were significantly lower than in those with vitamin D sufficiency (
    MeSH term(s) Male ; Aged ; Female ; Humans ; Middle Aged ; Intervertebral Disc Degeneration/complications ; Vitamin D Deficiency/complications ; Vitamin D ; Vitamins ; Muscle Strength/physiology ; Physical Functional Performance ; Muscle, Skeletal
    Chemical Substances Vitamin D (1406-16-2) ; Vitamins
    Language English
    Publishing date 2023-02-05
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms24043152
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Positive impact of lockdown on COVID-19 outbreak in Thailand.

    Dechsupa, Sinsuda / Assawakosri, Suvichada / Phakham, Suphattra / Honsawek, Sittisak

    Travel medicine and infectious disease

    2020  Volume 36, Page(s) 101802

    MeSH term(s) Betacoronavirus ; COVID-19 ; Centers for Disease Control and Prevention, U.S. ; China ; Coronavirus ; Coronavirus Infections/epidemiology ; Humans ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2 ; Thailand ; United States
    Keywords covid19
    Language English
    Publishing date 2020-06-20
    Publishing country Netherlands
    Document type Letter ; Comment
    ZDB-ID 2170891-5
    ISSN 1873-0442 ; 1477-8939
    ISSN (online) 1873-0442
    ISSN 1477-8939
    DOI 10.1016/j.tmaid.2020.101802
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  3. Article ; Online: Telomere Shortening and Increased Oxidative Stress in Lumbar Disc Degeneration.

    Jitjumnong, Manassanan / Chalermkitpanit, Pornpan / Suantawee, Tanyawan / Dechsupa, Sinsuda / Vajarintarangoon, Ladawan / Honsawek, Sittisak

    International journal of molecular sciences

    2022  Volume 23, Issue 17

    Abstract: Lumbar disc degeneration (LDD) contributes to low back pain. This study aimed to determine relative telomere length (RTL), oxidative stress status, and antioxidant levels and examine the relationships between RTL, oxidative stress, and the severity in ... ...

    Abstract Lumbar disc degeneration (LDD) contributes to low back pain. This study aimed to determine relative telomere length (RTL), oxidative stress status, and antioxidant levels and examine the relationships between RTL, oxidative stress, and the severity in LDD patients. A total of 100 subjects, 50 LDD patients and 50 healthy controls, were enrolled in the case−control study. Blood leukocyte RTL was analyzed using quantitative real-time polymerase chain reaction. Lipid peroxidation was determined by malondialdehyde (MDA) assay. Plasma 8-hydroxy 2′-deoxyguanosine (8-OHdG) values were determined using enzyme-linked immunosorbent assay. Total antioxidant capacity (TAC) and ferric reducing antioxidant power (FRAP) in plasma were also measured. The LDD patients had significantly shorter telomeres than the healthy controls (p = 0.04). Blood leukocyte RTL was inversely correlated with the LDD severity (r = −0.41, p = 0.005). Additionally, plasma MDA and 8-OHdG levels were markedly greater in LDD patients than in the controls (p = 0.01 and p = 0.002, respectively). Furthermore, the plasma MDA level showed a positive correlation with the radiographic severity (r = 0.49, p = 0.001). There was a positive correlation between plasma 8-OHdG and the severity (r = 0.60, p < 0.001). Moreover, plasma TAC and FRAP levels were significantly lower in LDD patients than in the controls (p = 0.04). No significant differences in plasma TAC and FRAP were observed among the three groups of LDD severity. We found that RTL was negatively correlated with the severity while plasma MDA and 8-OHdG levels were positively correlated with the severity. These findings suggest that blood leukocyte RTL, plasma MDA, and 8-OHdG may have potential as noninvasive biomarkers for the assessment of severity in LDD.
    MeSH term(s) 8-Hydroxy-2'-Deoxyguanosine ; Antioxidants ; Case-Control Studies ; Humans ; Intervertebral Disc Degeneration/genetics ; Oxidative Stress/genetics ; Telomere/genetics ; Telomere Shortening
    Chemical Substances Antioxidants ; 8-Hydroxy-2'-Deoxyguanosine (88847-89-6)
    Language English
    Publishing date 2022-09-04
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms231710125
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  4. Article ; Online: Telomere Shortening and Increased Oxidative Stress in Lumbar Disc Degeneration

    Manassanan Jitjumnong / Pornpan Chalermkitpanit / Tanyawan Suantawee / Sinsuda Dechsupa / Ladawan Vajarintarangoon / Sittisak Honsawek

    International Journal of Molecular Sciences, Vol 23, Iss 10125, p

    2022  Volume 10125

    Abstract: Lumbar disc degeneration (LDD) contributes to low back pain. This study aimed to determine relative telomere length (RTL), oxidative stress status, and antioxidant levels and examine the relationships between RTL, oxidative stress, and the severity in ... ...

    Abstract Lumbar disc degeneration (LDD) contributes to low back pain. This study aimed to determine relative telomere length (RTL), oxidative stress status, and antioxidant levels and examine the relationships between RTL, oxidative stress, and the severity in LDD patients. A total of 100 subjects, 50 LDD patients and 50 healthy controls, were enrolled in the case–control study. Blood leukocyte RTL was analyzed using quantitative real-time polymerase chain reaction. Lipid peroxidation was determined by malondialdehyde (MDA) assay. Plasma 8-hydroxy 2′-deoxyguanosine (8-OHdG) values were determined using enzyme-linked immunosorbent assay. Total antioxidant capacity (TAC) and ferric reducing antioxidant power (FRAP) in plasma were also measured. The LDD patients had significantly shorter telomeres than the healthy controls ( p = 0.04). Blood leukocyte RTL was inversely correlated with the LDD severity ( r = −0.41, p = 0.005). Additionally, plasma MDA and 8-OHdG levels were markedly greater in LDD patients than in the controls ( p = 0.01 and p = 0.002, respectively). Furthermore, the plasma MDA level showed a positive correlation with the radiographic severity ( r = 0.49, p = 0.001). There was a positive correlation between plasma 8-OHdG and the severity ( r = 0.60, p < 0.001). Moreover, plasma TAC and FRAP levels were significantly lower in LDD patients than in the controls ( p = 0.04). No significant differences in plasma TAC and FRAP were observed among the three groups of LDD severity. We found that RTL was negatively correlated with the severity while plasma MDA and 8-OHdG levels were positively correlated with the severity. These findings suggest that blood leukocyte RTL, plasma MDA, and 8-OHdG may have potential as noninvasive biomarkers for the assessment of severity in LDD.
    Keywords antioxidant ; lumbar disc degeneration ; oxidative stress ; relative telomere length ; severity ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
    Subject code 610
    Language English
    Publishing date 2022-09-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Positive impact of lockdown on COVID-19 outbreak in Thailand

    Dechsupa, Sinsuda / Assawakosri, Suvichada / Phakham, Suphattra / Honsawek, Sittisak

    Travel Medicine and Infectious Disease

    2020  Volume 36, Page(s) 101802

    Keywords Public Health, Environmental and Occupational Health ; Infectious Diseases ; covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    ZDB-ID 2170891-5
    ISSN 1873-0442 ; 1477-8939
    ISSN (online) 1873-0442
    ISSN 1477-8939
    DOI 10.1016/j.tmaid.2020.101802
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Cytokine Profiling and Intra-Articular Injection of Autologous Platelet-Rich Plasma in Knee Osteoarthritis.

    Riewruja, Kanyakorn / Phakham, Suphattra / Sompolpong, Patlapa / Reantragoon, Rangsima / Tanavalee, Aree / Ngarmukos, Srihatach / Udomsinprasert, Wanvisa / Suantawee, Tanyawan / Dechsupa, Sinsuda / Honsawek, Sittisak

    International journal of molecular sciences

    2022  Volume 23, Issue 2

    Abstract: Osteoarthritis (OA) is a degenerative joint disease leading to joint pain and stiffness. Due to lack of effective treatments, physical and psychological disabilities caused by OA have a detrimental impact on the patient's quality of life. Emerging ... ...

    Abstract Osteoarthritis (OA) is a degenerative joint disease leading to joint pain and stiffness. Due to lack of effective treatments, physical and psychological disabilities caused by OA have a detrimental impact on the patient's quality of life. Emerging evidence suggests that intra-articular injection of platelet-rich plasma (PRP) may provide favorable results since PRP comprises not only a high level of platelets but also a huge amount of cytokines, chemokines, and growth factors. However, the precise mechanism and standardization method remain uncertain. This study aimed to examine cytokine profiling in both PRP and platelet-poor plasma (PPP) of knee OA patients and to determine the effects of PRP on OA chondrocytes and knee OA patients. PRP contained a wide variety of cytokines, chemokines, growth factors, and autologous intra-articular PRP injection resulted in favorable outcomes in knee OA patients. Significant increases in levels of IL-1, IL-2, IL-7, IL-8, IL-9, IL-12, TNF-α, IL-17, PDGF-BB, bFGF, and MIP-1β were detected in PRP compared to PPP (
    MeSH term(s) Aged ; Biomarkers ; Cell Movement ; Cell Proliferation ; Chondrocytes/metabolism ; Cytokines/metabolism ; Disease Management ; Disease Susceptibility ; Female ; Humans ; Inflammation Mediators ; Male ; Middle Aged ; Osteoarthritis, Knee/diagnosis ; Osteoarthritis, Knee/etiology ; Osteoarthritis, Knee/metabolism ; Osteoarthritis, Knee/therapy ; Platelet-Rich Plasma ; Treatment Outcome
    Chemical Substances Biomarkers ; Cytokines ; Inflammation Mediators
    Language English
    Publishing date 2022-01-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms23020890
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Cytokine Profiling and Intra-Articular Injection of Autologous Platelet-Rich Plasma in Knee Osteoarthritis

    Kanyakorn Riewruja / Suphattra Phakham / Patlapa Sompolpong / Rangsima Reantragoon / Aree Tanavalee / Srihatach Ngarmukos / Wanvisa Udomsinprasert / Tanyawan Suantawee / Sinsuda Dechsupa / Sittisak Honsawek

    International Journal of Molecular Sciences, Vol 23, Iss 890, p

    2022  Volume 890

    Abstract: Osteoarthritis (OA) is a degenerative joint disease leading to joint pain and stiffness. Due to lack of effective treatments, physical and psychological disabilities caused by OA have a detrimental impact on the patient’s quality of life. Emerging ... ...

    Abstract Osteoarthritis (OA) is a degenerative joint disease leading to joint pain and stiffness. Due to lack of effective treatments, physical and psychological disabilities caused by OA have a detrimental impact on the patient’s quality of life. Emerging evidence suggests that intra-articular injection of platelet-rich plasma (PRP) may provide favorable results since PRP comprises not only a high level of platelets but also a huge amount of cytokines, chemokines, and growth factors. However, the precise mechanism and standardization method remain uncertain. This study aimed to examine cytokine profiling in both PRP and platelet-poor plasma (PPP) of knee OA patients and to determine the effects of PRP on OA chondrocytes and knee OA patients. PRP contained a wide variety of cytokines, chemokines, growth factors, and autologous intra-articular PRP injection resulted in favorable outcomes in knee OA patients. Significant increases in levels of IL-1, IL-2, IL-7, IL-8, IL-9, IL-12, TNF-α, IL-17, PDGF-BB, bFGF, and MIP-1β were detected in PRP compared to PPP ( p < 0.001). An in vitro study showed a marked increase in proliferation in OA chondrocytes cultured with PRP, compared to PPP and fetal bovine serum ( p < 0.001). In a clinical study, knee OA patients treated with PRP showed improvement of physical function and pain, assessed by physical performance, Western Ontario and McMaster Universities Arthritis Index and visual analog scale. Our findings from both in vitro and clinical studies suggest that intra-articular PRP injection in knee OA patients may be a potential therapeutic strategy for alleviating knee pain and delaying the need for surgery.
    Keywords chondrocytes ; cytokines ; knee ; platelet-rich plasma ; osteoarthritis ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
    Subject code 610
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article: Relative telomere length and oxidative DNA damage in hypertrophic ligamentum flavum of lumbar spinal stenosis.

    Dechsupa, Sinsuda / Yingsakmongkol, Wicharn / Limthongkul, Worawat / Singhatanadgige, Weerasak / Honsawek, Sittisak

    PeerJ

    2018  Volume 6, Page(s) e5381

    Abstract: Background: Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an ... ...

    Abstract Background: Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an imbalance in pro-oxidant and antioxidant homeostasis that results in the production of reactive oxygen species (ROS). The purpose of this study was to investigate relative telomere length (RTL) and oxidative DNA damage in ligamentum flavum (LF) tissue from LSS patients.
    Methods: Forty-eight patients with LSS participated in this study. Genomic DNA from non-hypertrophic and hypertrophic LF tissue were analyzed by real-time polymerase chain reaction for relative telomere length (RTL). 8-hydroxy 2'-deoxygaunosine (8-OHdG) levels were determined by using enzyme-linked immunosorbent assay. We cultivated LF fibroblast cells from patients in different ages (61, 66, and 77 years). After each cultivation cycle, we examined RTL and senescence-associated β-galactosidase (SA-β-gal) expression.
    Results: The hypertrophic LF had significantly lower RTL than non-hypertrophic LF (
    Discussion: Our results showed that patients with LSS displayed an accelerated RTL shortening and high oxidative stress in hypertrophic LF. These findings implied that telomere shortening and oxidative stress may play roles in the pathogenesis of hypertrophic LF in lumbar spinal stenosis.
    Language English
    Publishing date 2018-08-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2703241-3
    ISSN 2167-8359
    ISSN 2167-8359
    DOI 10.7717/peerj.5381
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  9. Article ; Online: Relative telomere length and oxidative DNA damage in hypertrophic ligamentum flavum of lumbar spinal stenosis

    Sinsuda Dechsupa / Wicharn Yingsakmongkol / Worawat Limthongkul / Weerasak Singhatanadgige / Sittisak Honsawek

    PeerJ, Vol 6, p e

    2018  Volume 5381

    Abstract: Background Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an ... ...

    Abstract Background Lumbar spinal stenosis (LSS) is a common cause of low back pain with degenerative spinal change in older adults. Telomeres are repetitive nucleoprotein DNA sequences of TTAGGG at the ends of chromosomes. Oxidative stress originates from an imbalance in pro-oxidant and antioxidant homeostasis that results in the production of reactive oxygen species (ROS). The purpose of this study was to investigate relative telomere length (RTL) and oxidative DNA damage in ligamentum flavum (LF) tissue from LSS patients. Methods Forty-eight patients with LSS participated in this study. Genomic DNA from non-hypertrophic and hypertrophic LF tissue were analyzed by real-time polymerase chain reaction for relative telomere length (RTL). 8-hydroxy 2′-deoxygaunosine (8-OHdG) levels were determined by using enzyme-linked immunosorbent assay. We cultivated LF fibroblast cells from patients in different ages (61, 66, and 77 years). After each cultivation cycle, we examined RTL and senescence-associated β-galactosidase (SA-β-gal) expression. Results The hypertrophic LF had significantly lower RTL than non-hypertrophic LF (P = 0.04). The levels of 8-OHdG were significantly higher in hypertrophic LF compared to non-hypertrophic LF (P = 0.02). With advancing cell culture passage, the number of cells in each passage was significantly lower in hypertrophic LF fibroblast cells than non-hypertrophic LF fibroblast cells. When evaluated with SA-β-gal staining, all senescent LF fibroblast cells were observed at earlier passages in hypertrophic LF compared with non-hypertrophic LF fibroblast cells. Discussion Our results showed that patients with LSS displayed an accelerated RTL shortening and high oxidative stress in hypertrophic LF. These findings implied that telomere shortening and oxidative stress may play roles in the pathogenesis of hypertrophic LF in lumbar spinal stenosis.
    Keywords Relative telomere length ; 8-OHdG ; SA-beta-gal staining ; Ligamentum flavum ; Lumbar spinal stenosis ; Medicine ; R ; Biology (General) ; QH301-705.5
    Subject code 610
    Language English
    Publishing date 2018-08-01T00:00:00Z
    Publisher PeerJ Inc.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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