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1.
Mol Ther ; 30(8): 2664-2679, 2022 08 03.
Article in English | MEDLINE | ID: mdl-35690907

ABSTRACT

Recessive dystrophic epidermolysis bullosa (RDEB) is a severe skin fragility disorder caused by loss-of-function mutations in the COL7A1 gene, which encodes type VII collagen (C7), a protein that functions in skin adherence. From 36 Korean RDEB patients, we identified a total of 69 pathogenic mutations (40 variants without recurrence), including point mutations (72.5%) and insertion/deletion mutations (27.5%). For fibroblasts from two patients (Pat1 and Pat2), we applied adenine base editors (ABEs) to correct the pathogenic mutation of COL7A1 or to bypass a premature stop codon in Pat1-derived primary fibroblasts. To expand the targeting scope, we also utilized prime editors (PEs) to correct the COL7A1 mutations in Pat1- and Pat2-derived fibroblasts. Ultimately, we found that transfer of edited patient-derived skin equivalents (i.e., RDEB keratinocytes and PE-corrected RDEB fibroblasts from the RDEB patient) into the skin of immunodeficient mice led to C7 deposition and anchoring fibril formation within the dermal-epidermal junction, suggesting that base editing and prime editing could be feasible strategies for ex vivo gene editing to treat RDEB.


Subject(s)
Collagen Type VII , Epidermolysis Bullosa Dystrophica , Animals , Collagen Type VII/genetics , Collagen Type VII/metabolism , Epidermolysis Bullosa Dystrophica/genetics , Epidermolysis Bullosa Dystrophica/pathology , Epidermolysis Bullosa Dystrophica/therapy , Genes, Recessive , Keratinocytes/metabolism , Mice , Mutation , Skin/metabolism
2.
Mol Cell ; 49(5): 843-57, 2013 Mar 07.
Article in English | MEDLINE | ID: mdl-23317504

ABSTRACT

Bromodomain-containing protein 4 (Brd4) is an epigenetic reader and transcriptional regulator recently identified as a cancer therapeutic target for acute myeloid leukemia, multiple myeloma, and Burkitt's lymphoma. Although chromatin targeting is a crucial function of Brd4, there is little understanding of how bromodomains that bind acetylated histones are regulated, nor how the gene-specific activity of Brd4 is determined. Via interaction screen and domain mapping, we identified p53 as a functional partner of Brd4. Interestingly, Brd4 association with p53 is modulated by casein kinase II (CK2)-mediated phosphorylation of a conserved acidic region in Brd4 that selectively contacts either a juxtaposed bromodomain or an adjacent basic region to dictate the ability of Brd4 binding to chromatin and also the recruitment of p53 to regulated promoters. The unmasking of bromodomains and activator recruitment, concurrently triggered by the CK2 phospho switch, provide an intriguing mechanism for gene-specific targeting by a universal epigenetic reader.


Subject(s)
Casein Kinase II/metabolism , Chromatin/metabolism , Gene Targeting , Nuclear Proteins/genetics , Nuclear Proteins/metabolism , Transcription Factors/genetics , Transcription Factors/metabolism , Casein Kinase II/genetics , Cell Cycle Proteins , Chromatin/genetics , HCT116 Cells , HEK293 Cells , Histones/chemistry , Histones/metabolism , Humans , Leukemia, Myeloid, Acute/genetics , Transcription, Genetic , Tumor Suppressor Protein p53/genetics , Tumor Suppressor Protein p53/metabolism
3.
Mol Cell ; 47(6): 851-62, 2012 Sep 28.
Article in English | MEDLINE | ID: mdl-22959271

ABSTRACT

Cells continually assess their energy and nutrient state to maintain growth and survival and engage necessary homeostatic mechanisms. Cell-autonomous responses to the fed state require the surveillance of the availability of amino acids and other nutrients. The mammalian target of rapamycin complex 1 (mTORC1) integrates information on nutrient and amino acid availability to support protein synthesis and cell growth. We identify the G protein-coupled receptor (GPCR) T1R1/T1R3 as a direct sensor of the fed state and amino acid availability. Knocking down this receptor, which is found in most tissues, reduces the ability of amino acids to signal to mTORC1. Interfering with this receptor alters localization of mTORC1, downregulates expression of pathway inhibitors, upregulates key amino acid transporters, blocks translation initiation, and induces autophagy. These findings reveal a mechanism for communicating amino acid availability through a GPCR to mTORC1 in mammals.


Subject(s)
Autophagy , Insulin-Secreting Cells/metabolism , Proteins/metabolism , Receptors, G-Protein-Coupled/genetics , Receptors, G-Protein-Coupled/metabolism , Amino Acids/metabolism , Animals , Down-Regulation , Extracellular Signal-Regulated MAP Kinases/metabolism , Insulin/metabolism , Mechanistic Target of Rapamycin Complex 1 , Mice , Mice, Knockout , Multiprotein Complexes , Protein Biosynthesis , RNA Interference , RNA, Small Interfering , Signal Transduction , TOR Serine-Threonine Kinases
4.
Proc Natl Acad Sci U S A ; 113(50): 14342-14347, 2016 12 13.
Article in English | MEDLINE | ID: mdl-27911840

ABSTRACT

The with-no-lysine (K) (WNK) kinases are an atypical family of protein kinases that regulate ion transport across cell membranes. Mutations that result in their overexpression cause hypertension-related disorders in humans. Of the four mammalian WNKs, only WNK1 is expressed throughout the body. We report that WNK1 inhibits autophagy, an intracellular degradation pathway implicated in several human diseases. Using small-interfering RNA-mediated WNK1 knockdown, we show autophagosome formation and autophagic flux are accelerated. In cells with reduced WNK1, basal and starvation-induced autophagy is increased. We also show that depletion of WNK1 stimulates focal class III phosphatidylinositol 3-kinase complex (PI3KC3) activity, which is required to induce autophagy. Depletion of WNK1 increases the expression of the PI3KC3 upstream regulator unc-51-like kinase 1 (ULK1), its phosphorylation, and activation of the kinase upstream of ULK1, the AMP-activated protein kinase. In addition, we show that the N-terminal region of WNK1 binds to the UV radiation resistance-associated gene (UVRAG) in vitro and WNK1 partially colocalizes with UVRAG, a component of a PI3KC3 complex. This colocalization decreases upon starvation of cells. Depletion of the SPS/STE20-related proline-alanine-rich kinase, a WNK1-activated enzyme, also induces autophagy in nutrient-replete or -starved conditions, but depletion of the related kinase and WNK1 substrate, oxidative stress responsive 1, does not. These results indicate that WNK1 inhibits autophagy by multiple mechanisms.


Subject(s)
Autophagy/physiology , WNK Lysine-Deficient Protein Kinase 1/physiology , Autophagy/genetics , Autophagy-Related Protein-1 Homolog/metabolism , Cell Line , Class III Phosphatidylinositol 3-Kinases/metabolism , Gene Knockdown Techniques , HeLa Cells , Humans , Intracellular Signaling Peptides and Proteins/metabolism , Models, Biological , Protein Serine-Threonine Kinases/antagonists & inhibitors , Protein Serine-Threonine Kinases/genetics , Protein Serine-Threonine Kinases/metabolism , RNA, Small Interfering/genetics , Tumor Suppressor Proteins/genetics , Tumor Suppressor Proteins/metabolism , WNK Lysine-Deficient Protein Kinase 1/antagonists & inhibitors , WNK Lysine-Deficient Protein Kinase 1/genetics
5.
Small ; 14(6)2018 02.
Article in English | MEDLINE | ID: mdl-29211321

ABSTRACT

Black phosphorus (BP) has drawn enormous attention for both intriguing material characteristics and electronic and optoelectronic applications. In spite of excellent advantages for semiconductor device applications, the performance of BP devices is hampered by the formation of phosphorus oxide on the BP surface under ambient conditions. It is thus necessary to resolve the oxygen-induced degradation on the surface of BP to recover the characteristics and stability of the devices. To solve this problem, it is demonstrated that a 1,2-ethanedithiol (EDT) treatment is a simple and effective way to remove the bubbles formed on the BP surface. The device characteristics of the degraded BP field-effect transistor (FET) are completely recovered to the level of the pristine cases by the EDT treatment. The underlying principle of bubble elimination on the BP surface by the EDT treatment is systematically analyzed by density functional theory calculation, atomic force microscopy, and X-ray photoelectron spectroscopy analysis. In addition, the performance of the hexagonal boron nitride-protected BP FET is completely retained without changing device characteristics even when exposed to 30 d or more in air. The EDT-induced recovering effect will allow a new route for the optimization of electronic and optoelectronic devices based on BP.

6.
J Phys Ther Sci ; 30(8): 958-959, 2018 Aug.
Article in English | MEDLINE | ID: mdl-30154580

ABSTRACT

[Purpose] The purpose of this research was to examine differences in muscle activity between the resting forearm position (RFP) and the straight forearm position (SFP) during upper arm strengthening exercises. [Participants and Methods] In total, 35 healthy college students were randomly sampled (18 males and 17 females). Surface electromyography data were collected from the medial and lateral sides of the biceps and triceps brachii muscles. [Results] The medial muscles showed greater activity during SFP versus RFP, but no difference in overall activation was found between the two positions. [Conclusion] Carrying angle less affected to biceps and triceps brachii muscles activation during upper arm strengthening exercises.

7.
Anal Biochem ; 531: 1-7, 2017 08 15.
Article in English | MEDLINE | ID: mdl-28522308

ABSTRACT

Antibiotics are useful for improving the living conditions of livestock. However, residual antibiotics induce several human diseases such as food-borne illness and infection of carbapenem-resistant Enterobacteriaceae (CRE). In this study, the identification of a benzylpenicillin-specific aptamer was selected by rGO-SELEX (reduced Graphene Oxide-Systematic Evolution of Ligands by EXponential enrichment). A random ssDNA library was incubated with rGO for adsorption and eluted with benzylpenicillin. As a result of the selection process, a DNA aptamer was found that specifically bound to benzylpenicillin with high binding affinity, Kd = 383.4 nM, and had a low limit of detection (LOD) of 9.2 nM. The characterization of the aptamer was performed through the fluorescence recovery signal from rGO surface. In addition, detection of benzylpenicillin was performed in pretreated milk samples, and its detection accuracy was shown to be 100± 10%. This represented that BBA1 was used for fluorescence aptasensor system in real sample. Furthermore, this benzylpenicillin binding aptamer showed high specificity against other antibiotics except for ampicillin. With these advantageous characteristics, we expect that this aptamer could be applied to an on-site detection system for residual benzylpenicillin.


Subject(s)
Aptamers, Nucleotide/chemistry , Aptamers, Nucleotide/chemical synthesis , Penicillin G/analysis , SELEX Aptamer Technique/methods , Fluorescence , Graphite , Humans
8.
Ann Plast Surg ; 76(6): 717-22, 2016 Jun.
Article in English | MEDLINE | ID: mdl-25003432

ABSTRACT

BACKGROUND: Closed incisional wound surgery frequently leaves dead space under the repaired skin, which results in delayed healing. The purpose of this study was to evaluate the effect of negative pressure wound therapy (NPWT) on incisional wounds with dead space after primary closure by evaluating the fluid volume through the suction drain, blood flow of the skin, tensile strength, and histology of the wounds. METHODS: Bilateral 25-cm-long incisional wounds with dead space were created on the back of 6 pigs by partially removing the back muscle and then suturing the skin with nylon sutures. NPWT (experimental group) or gauze dressing (control group) was applied over the closed incision for 7 days. Analysis of the wound included monitoring the amount of closed suction drain, blood perfusion unit, tensile strength of the repaired skin, and histology of the incision site. RESULTS: The drainage amount was significantly reduced in the experimental group (49.8 mL) compared to the control group (86.2 mL) (P = 0.046). Skin perfusion was increased in the experimental group with statistical significance compared to the control group (P = 0.0175). Collagen staining was increased in the experimental group. The tensile strength of the incision site was significantly higher in the experimental group (24.6 N at 7 days, 61.67 N at 21 days) compared to the control group (18.26 N at 7 days, 50.05 N at 21 days) (P = 0.02). CONCLUSION: This study explains some of the mechanism for using NPWT in closed incision wounds with dead space. It demonstrates that NPWT significantly reduces drainage amount, increases skin perfusion, increases tensile strength, and has the tendency to promote collagen synthesis for closed wound with dead space indicating enhanced healing.


Subject(s)
Negative-Pressure Wound Therapy/methods , Surgical Wound/therapy , Animals , Biomechanical Phenomena , Skin/blood supply , Suction , Surgical Wound/pathology , Surgical Wound/physiopathology , Swine , Tensile Strength , Treatment Outcome , Wound Healing/physiology
9.
J Phys Ther Sci ; 28(7): 1968-71, 2016 Jul.
Article in English | MEDLINE | ID: mdl-27512245

ABSTRACT

[Purpose] Little is known about the effects of biomechanical foot orthoses in scoliosis, as determined by raster stereography. The objective of this study was to investigate the effect of individually manufactured biomechanical foot orthoses on scoliosis angle, trunk imbalance, and pelvic obliquity by comparing them with general insoles by using DIERS formetric 4 dimensional in patients with scoliosis. [Subjects and Methods] Twenty-six patients with scoliosis were recruited at Yeungnam University Hospital and allocated equally to one of two groups, the biomechanical foot orthoses group or the control group. Parameters, such as, trunk rotation, imbalance, and scoliosis angle, were obtained using a DIERS formetric 4D. [Results] Scoliosis angle, pelvic obliquity, and trunk imbalance were significantly different between the two groups and improved in the biomechanical foot orthoses group with time, but no significant improvement in any parameter was observed in the control group. [Conclusion] Biomechanical foot orthoses could be effective in patients with scoliosis, and DIERS formetric 4D provides a useful method for evaluating scoliosis parameters.

10.
Growth Factors ; 33(1): 31-9, 2015 Feb.
Article in English | MEDLINE | ID: mdl-25257140

ABSTRACT

This study aims to explore the effect of recombinant human bone morphogenetic protein-2 (rhBMP-2) on bone formation when treated with epidermal growth factor (EGF) using human mesenchymal stem cells (hMSCs) and a rabbit tibial defect model. The rhBMP-2 (250 ng/ml)+EGF (10 ng/ml) group showed higher alkaline phosphatase (ALP) activity, ALP expression, increased calcium amount than rhBMP-2 group. In micro-CT and histology results of animal experiments, the rhBMP-2+EGF group showed more amount of bone bridging compared to the rhBMP-2 group. Among the 8-week groups, the rhBMP-2+EGF group showed significantly higher percent bone volume and trabecular number compared to the rhBMP-2 group. The combined treatment with EGF and rhBMP-2 induced significantly higher bone formation compared to that of rhBMP-2 only in both hMSCs and a rabbit tibial defect model. Therefore, EGF is expected to facilitate bone formation effect of rhBMP-2 when both factors are treated in combination.


Subject(s)
Bone Morphogenetic Protein 2/pharmacology , Bone Regeneration , Epidermal Growth Factor/pharmacology , Mesenchymal Stem Cells/cytology , Tibia/surgery , Animals , Humans , Male , Mesenchymal Stem Cell Transplantation , Mesenchymal Stem Cells/drug effects , Mesenchymal Stem Cells/metabolism , Osteogenesis , Rabbits , Recombinant Proteins/pharmacology
11.
Proc Natl Acad Sci U S A ; 109(42): 16841-6, 2012 Oct 16.
Article in English | MEDLINE | ID: mdl-23027929

ABSTRACT

We report an action of the protein kinase WNK3 on the neuronal mRNA splicing factor Fox-1. Fox-1 splices mRNAs encoding proteins important in synaptic transmission and membrane excitation. WNK3, implicated in the control of neuronal excitability through actions on ion transport, binds Fox-1 and inhibits its splicing activity in a kinase activity-dependent manner. Phosphorylation of Fox-1 by WNK3 does not change its RNA binding capacity; instead, WNK3 increases the cytoplasmic localization of Fox-1, thereby suppressing Fox-1-dependent splicing. These findings demonstrate a role of WNK3 in RNA processing. Considering the implication of WNK3 and Fox-1 in disorders of neuronal development such as autism, WNK3 may offer a target for treatment of Fox-1-induced disease.


Subject(s)
Brain/metabolism , Protein Serine-Threonine Kinases/metabolism , RNA-Binding Proteins/metabolism , Animals , DNA Primers/genetics , Deuterium , Electrophoretic Mobility Shift Assay , Gene Library , HEK293 Cells , Humans , Immunoprecipitation , Mice , Phosphorus Radioisotopes , RNA Splicing Factors , Reverse Transcriptase Polymerase Chain Reaction , Two-Hybrid System Techniques
12.
Artif Organs ; 38(2): 149-58, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24571511

ABSTRACT

Bone formation in tooth defect areas and the osseointegration of dental implants are very important for successful dental implant surgery. The aim of the present study was to assess the strengthening effect of a ß-TCP microsphere-hydrogel composite containing recombinant human bone morphogenetic protein-2 (rhBMP-2) on bone healing and implant osseointegration. The molars and premolars on the left and right sides of the maxilla were extracted from six male minipigs, and dental implants were placed using either the ß-TCP microsphere-hydrogel carrier alone or the carrier loaded with rhBMP-2 (500 µg). The animals were kept alive for a further 8 weeks. The molars and premolars from the left and the right sides of the mandibles of another six minipigs were extracted, and the animals were kept alive for 4 weeks. Two 5-mm-diameter bone defects were then made on both sides of the mandible. The defects were filled with saline, ß-TCP microsphere-hydrogel carrier, or the carrier loaded with rhBMP-2 (300 µg), and dental implant fixtures were inserted. The animals were kept alive for a further 4 weeks. Bone formation was examined using plane radiographs, micro-CT, and the histology of undecalcified specimens. The group treated with the rhBMP-2-loaded carrier composite showed a significantly higher percentage bone volume and a greater trabecular thickness for the newly formed bone in the tooth defect areas when compared to the group treated with the carrier alone. The rhBMP-2 group had a significantly higher osseointegration, a larger percentage bone volume, greater trabecular thickness in the newly formed bone in tooth defect areas, a larger newly formed bone fraction in the fixture pitch, and a greater number of newly formed trabecular bones when compared to the other groups. We confirmed that the rhBMP-2-loaded carrier composite promotes new bone formation after tooth extraction and strengthens osseointegration of dental fixtures by improving the degree of osseointegration around the dental implant fixture.


Subject(s)
Bone Morphogenetic Protein 2/administration & dosage , Dental Implantation, Endosseous/methods , Dental Implants , Hydrogels/administration & dosage , Osseointegration/drug effects , Animals , Calcium Phosphates/administration & dosage , Humans , Male , Microspheres , Swine , Swine, Miniature
13.
J Mater Sci Mater Med ; 25(9): 2141-51, 2014 Sep.
Article in English | MEDLINE | ID: mdl-24928668

ABSTRACT

Methods to improve osseointegration that include implantation of rhBMP-2 with various kinds of carriers are currently of considerable interest. The present study was conducted to evaluate if the rhBMP-2 loaded ß-TCP microsphere-hyaluronic acid-based powder-like hydrogel composite (powder gel) can act as an effective rhBMP-2 carrier for implantation in host bone with a bone defect or poor bone quality. The release pattern for rhBMP-2 was then evaluated against an rhBMP-2-loaded collagen sponge as a control group. Dental implants were also inserted into the tibias of three groups of rabbits: an rhBMP-2 (200 µg) loaded powder gel composite implanted group, an implant only group, and a powder gel implanted group. Micro-CT and histology of the implanted areas were carried out four weeks later. The rhBMP-2 powder gel released less rhBMP-2 than the collagen sponge, but it continued a slow release for more than 7 days. The rhBMP-2 powder gel composite improved osseointegration of the dental implant by increasing the amount of new bone formation in the implant pitch and it improved the bone quality and bone quantity of new bone. The histology results indicated that the rhBMP-2 powder gel composite improved the osseointegration in the cortical bone as well as the marrow space along the fixture. The bone-to-implant contact ratio of the rhBMP-2 (200 µg) loaded powder gel composite implanted group was significantly higher than those of the implant only group and the powder gel implanted group. The powder gel appeared to be a good carrier and could release rhBMP-2 slowly to promote the formation of new bone following implantation in a bone defect, thereby improving implant osseointegration.


Subject(s)
Bone Morphogenetic Protein 2/administration & dosage , Calcium Phosphates/chemistry , Hyaluronic Acid/chemistry , Osseointegration , Prostheses and Implants , Animals , Gels , Humans , Male , Microspheres , Powders , Rabbits , Recombinant Proteins/administration & dosage , X-Ray Microtomography
14.
Asian Nurs Res (Korean Soc Nurs Sci) ; 18(3): 238-245, 2024 Aug.
Article in English | MEDLINE | ID: mdl-39038702

ABSTRACT

PURPOSE: This methodological study evaluated the psychometric properties of the Self-Care of Coronary Heart Disease Inventory version 3 (SC-CHDI v3) in a Korean context. METHODS: The SC-CHDI v3 was translated into Korean following a rigorous translation process. Participants were 452 patients who had experienced coronary heart disease (CHD), all recruited from a tertiary hospital in Korea. Exploratory and confirmatory factor analyses were performed to test construct validity. Concurrent validity was examined by correlating scores from the Korean version of the SC-CHDI v3 with those from the Cardiac Self-Efficacy Scale. Internal consistency was analyzed using Cronbach's alpha and McDonald's omega. RESULTS: The Korean version of the SC-CHDI v3 consists of 21 items, excluding two from the original instrument. The self-care maintenance subscale identified a two-factor structure: "treatment adherence" and "health-promoting behaviors." The goodness-of-fit indices were satisfied: χ2 = 18.19, p = .110, comparative fit index (CFI) = .97, Tucker-Lewis Index (TLI) = .95, and standardized root mean square residual (SRMR) = .04. The self-care monitoring subscale consisted of a one-dimensional structure ("monitoring behaviors") and the goodness-of-fit indices were satisfied: χ2 = 19.19, p = .059, CFI = .99, TLI = .99, and SRMR = .04. The self-care management subscales had a two-factor structure of "consulting behaviors" and "problem-solving behaviors." The goodness-of-fit indices were satisfied: χ2 = 16.44, p = .037, CFI = .99, TLI = .98, and SRMR = .03. Scores from the Cardiac Self-Efficacy Scale showed a positive correlation with the Korean version of SC-CHDI v3 subscales. Reliability estimates were ≥ .80 for all subscales except for the self-care maintenance subscale. CONCLUSIONS: The Korean version of the SC-CHDI v3 consists of 21 items in 3 subscales and is a valid and reliable instrument. Therefore, healthcare providers can effectively utilize it to assess the self-care levels of patients with CHD.


Subject(s)
Coronary Disease , Psychometrics , Self Care , Humans , Male , Female , Self Care/psychology , Republic of Korea , Middle Aged , Coronary Disease/psychology , Aged , Reproducibility of Results , Surveys and Questionnaires/standards , Translations , Adult , Self Efficacy
15.
J Clin Med ; 13(4)2024 Feb 13.
Article in English | MEDLINE | ID: mdl-38398376

ABSTRACT

This study investigated the changes in the ganglion cell complex (GCC) of patients with acute central serous chorioretinopathy (CSC) following focal laser photocoagulation (FLP) and sought to determine its correlation with visual acuity (VA). Our retrospective study was conducted on 30 patients diagnosed with acute CSC between January 2015 and April 2022, who underwent FLP within 3 months of symptom onset. The study assessed GCC changes by measuring the thickness of its inner retinal layers-retinal nerve fiber layer (RNFL), ganglion cell layer (GCL), and inner plexiform layer (IPL) using optical coherence tomography (OCT). GCC thickness was compared between the affected and unaffected eyes and a healthy control group. VA was also assessed at baseline and at 1, 3, and 6 months post-treatment. VA showed significant improvement from 0.20 ± 0.14 at baseline to 0.10 ± 0.12 logMAR at 6 months post-treatment (p = 0.003). There was no significant change in GCC thickness over the 6-month period. No significant differences in GCC thickness were observed when comparing CSC eyes with fellow eyes or with normal controls at any time point. Final VA was significantly related only to baseline VA, with no correlation found with other factors, including RNFL, GCL, and IPL thickness. In summary, for patients with acute CSC undergoing FLP, our findings indicate that there is no significant change in GCC thickness detectable by OCT before and after the resolution of subretinal fluid (SRF), despite improvements in VA post-laser treatment. This suggests that any potential impact of FLP on GCC thickness may be minimal and not discernible with the current measurement methods, such as OCT, emphasizing that VA improvements may be primarily associated with alterations in the outer retina rather than the inner retina. Further studies with extended follow-up durations are warranted to evaluate any potential long-term changes in GCC.

16.
J Affect Disord ; 354: 519-525, 2024 Jun 01.
Article in English | MEDLINE | ID: mdl-38484885

ABSTRACT

INTRODUCTION: Few studies have evaluated the effectiveness of interventions for distress during cancer diagnosis on clinical outcomes in a real-world setting. We aimed to evaluate whether routine information and psychosocial support to patients experiencing distress at the time of diagnosis could decrease the risk of mortality within 1 and 3 years after diagnosis. MATERIAL AND METHODS: We conducted a retrospective cohort study of 4880 newly diagnosed cancer patients who reported distress scores of ≥4 using the tablet or kiosk-based screening between July 2014 and December 2017 at a university-affiliated cancer center in Seoul, South Korea. We performed an emulated target trial with two groups: those that received information and psychosocial support and those that did not. Cox proportional hazards models were used to identify the associations between information and psychosocial support and all-cause mortality. RESULTS: Of all the patients, 16.6 % had routine information and psychosocial support. The hazard ratio (HR) for one-year mortality comparing participants with information and psychosocial support to those without it were 0.73 (95 % confidence interval (CI) = 0.54, 0.99). Age < 50 and 50 - <60 group had a stronger effect of information and psychosocial support on reducing mortality within one-year than these in age ≥ 60 (p for interaction = 0.03). In terms of three-year mortality, the HR comparing participants with information and psychosocial support to those without it was 0.93 (95 % CI = 0.76, 1.14). CONCLUSION: This large-scale real-world study suggests that timely psychosocial care benefits newly diagnosed cancer patients who had distress during pre-treatment period.


Subject(s)
Neoplasms , Humans , Retrospective Studies , Neoplasms/therapy , Neoplasms/psychology , Republic of Korea
17.
J Biol Chem ; 286(47): 40974-86, 2011 Nov 25.
Article in English | MEDLINE | ID: mdl-21937452

ABSTRACT

Activator protein-1 (AP-1) regulates diverse gene responses triggered by environmental cues and virus-induced cellular stress. Although many signaling events leading to AP-1 activation have been described, the fundamental features underlying binding site selection and factor recruitment of dimeric AP-1 complexes to their target genes remain mostly uncharacterized. Using recombinant full-length human AP-1 dimers formed between c-Jun and Fos family members (c-Fos, FosB, Fra-1, Fra-2) for DNA binding and transcriptional analysis, we found that each of these AP-1 complex exhibits differential activity for distinct non-consensus AP-1 sites present in human papillomavirus (HPV), and each AP-1 complex is capable of activating transcription from in vitro-reconstituted HPV chromatin in a p300- and acetyl-CoA-dependent manner. Transcription from HPV chromatin requires AP-1-dependent and contact-driven recruitment of p300. Acetylation of dimeric AP-1 complexes by p300 enhances AP-1 binding to DNA. Using a human C-33A cervical cancer-derived cell line harboring the episomal HPV type 11 genome, we illustrate binding site selectivity recognized by c-Jun, JunB, JunD, and various Fos family members in a combinatorial and unique pattern, highlighting the diversity and importance of non-canonical binding site recognition by various AP-1 family proteins.


Subject(s)
Chromatin/metabolism , Human papillomavirus 11/genetics , Transcription Factor AP-1/chemistry , Transcription Factor AP-1/metabolism , Transcription, Genetic , Base Sequence , Binding Sites , Cell Survival , Chromatin/genetics , Condylomata Acuminata/virology , Conserved Sequence , DNA, Viral/genetics , DNA, Viral/metabolism , E1A-Associated p300 Protein/metabolism , HCT116 Cells , HeLa Cells , Histones/metabolism , Humans , Nucleosome Assembly Protein 1/metabolism , Protein Multimerization , Protein Structure, Quaternary , Proto-Oncogene Proteins c-fos/metabolism , Proto-Oncogene Proteins c-jun/metabolism , RNA-Binding Proteins/metabolism , Regulatory Sequences, Nucleic Acid/genetics , Substrate Specificity
18.
Article in English | MEDLINE | ID: mdl-36141903

ABSTRACT

Horticultural therapy (HT) is green care that can help improve and recover the health of modern people living in cities through natural experiences. Many studies have been conducted to determine HT's therapeutic effects and underlying mechanisms, but investigation for developing readily applicable clinical techniques is insufficient. We aimed to investigate adults' brain activity and emotional state during flower arrangement (FA) with different flowers in an HT program. We recruited thirty adults and used a randomized cross-over study method to set them to participate in five FA tasks at 90-s intervals. While performing FA tasks, the participants' prefrontal cortex brain waves were measured by a wireless electroencephalography device and their emotional states between FA tasks were measured by questionnaires. Results showed that each FA task resulted in a different attention level of the participants. The participants showed the highest attention level during FA with stocks and carnations, while FA with lilies showed the lowest attention level among the five FA tasks. Instead, the participants showed the highest arousal, tension, and anxiety for emotional states during FA with lilies. Therefore, this study confirmed the differences in attention level and emotional changes according to flower types for using clinical techniques of HT for various clients.


Subject(s)
Attention Deficit Disorder with Hyperactivity , Adult , Attention Deficit Disorder with Hyperactivity/psychology , Electroencephalography , Flowers , Humans , Odorants , Prefrontal Cortex/physiology
19.
Bioorg Med Chem Lett ; 21(17): 4960-4, 2011 Sep 01.
Article in English | MEDLINE | ID: mdl-21742492

ABSTRACT

Synthetic equivalents of phosphoprotein-specific antibodies would be valuable reagents for biological research, since these antibodies can often be difficult to produce. Protein phosphorylation is thought to result in significant conformational changes in most substrate proteins. Therefore, one approach might be to simply screen combinatorial libraries for ligands to the phosphorylated state in the hope of isolating a ligand that binds to a pocket created by the conformational shift. In this study, we probe this strategy by screening a peptoid library for ligands to the phosphorylated form of the Brd4 chromatin adaptor and transcriptional coactivator protein. We find that peptoids with high selectivity for binding to the phosphorylation form of Brd4 can indeed be isolated in this screen. Moreover, these ligands do not bind promiscuously to other phospho-proteins. However, attempts to employ these reagents as antibody substitutes in an immunoaffinity purification-like application showed that they do not perform as well as bona fide antibodies and that significant optimization will be required. This study highlights the potential and current limitations of a naïve library screening strategy for phosphoprotein-specific antibody surrogates.


Subject(s)
Peptoids/metabolism , Phosphoproteins/metabolism , Animals , Blotting, Western , Cell Line , Ligands , Peptide Library , Phosphorylation , Protein Binding
20.
Integr Med Res ; 10(2): 100495, 2021 Jun.
Article in English | MEDLINE | ID: mdl-33145166

ABSTRACT

BACKGROUND: The restricted environment in prison negatively affects psychological health of prisoners, which in turn affects the rehabilitation of the prisoners. Previous studies have shown that horticultural activities were effective in improving psychological health of prisoners. The objectives were to develop a horticultural therapy (HT) program and to determine the association of 12 sessions with participants' psychological health using case analysis. METHODS: Five cases who were imprisoned at K correctional institution in Gyeonggi-do, South Korea participated in this study. They were diagnosed as a potential risk group of psychological health. The prisoners participated in a HT program once a week (12 weeks, 90 min per session) between April and June 2018 at K correctional institution. The program consisted of cultivation-centered horticultural activities. At the completion of the HT program, depression (Beck Depression Inventory), anger (State-Trait Anger Expression Inventory), self-esteem (Rosenberg Self-esteem Scale), and life satisfaction (Satisfaction with Life Scale) were evaluated. Positive changes were found through observations of interviews, workbooks, and emotional change checklists that were recorded in each session. RESULTS: We observed positive changes in the prisoners' health conditions measured before and after participating in the HT program. The prisoners who participated in the HT program showed decreased depression (-2.6), and increased self-esteem (+1.2) and life satisfaction (+4.0). CONCLUSIONS: The prisoner rehabilitation HT program was associated with improvements in the participants' psychological health. Future efforts will be required to investigate the effects of an HT program with a larger sample size to perform statistical analysis for providing convincing evidence.

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