scholarly journals Effects of Toxicity Induced by Gentamicin on the Kidney of Killifish Aphaniops hormuzensis and the Role of Wt1 and MMP9 Genes in Response to This Toxicity

2020 ◽  
Vol 11 (3) ◽  
Author(s):  
Mina Motamedi ◽  
Atefeh Iranmanesh ◽  
Azad Teimori ◽  
Sara Soltanian
Keyword(s):  
Real Time ◽  
Real Time Pcr ◽  
Bacterial Infections ◽  
Expression Patterns ◽  
Lethal Dose ◽  
Control Sample ◽  
Renal Regeneration ◽  
First Time ◽  
Mmp9 Gene

Background: Aminoglycoside antibiotics such as gentamicin are used to cure bacterial infections in humans and other animals, but they can cause nephritic damage, as well. Nephrotoxicity is one of the side effects of gentamicin. Objectives: The objective of this study was to investigate the effects of toxicity induced by gentamicin on the kidney of killifish Aphaniops hormuzensis. Also, we aimed to study the expression pattern of Wt1 and MMP9 genes by real-time PCR in response to this toxicity. Methods: First, 10 µg/g (sub-lethal dose) gentamicin was given to adult fish. The kidney tissues were dissected and preserved in 10% formalin for a 24-hour; then, they underwent standard histological procedures. The sections were prepared at 3 μm and stained with Haematoxylin & Eosin (H&E). The slide microphotography process was done by an Olympus CH2 microscope. The RNA was isolated, and cDNA was synthesized with a standard protocol, and the expression patterns of Wt1 and MMP9 genes were examined by real-time PCR. Results: Nephrotoxicity occurred 10 hours after the injection of gentamicin, and the injury was detected in the epithelium of kidney tubules. The kidney tubule regenerated itself within 10 days post-injection (dpi). On 7 dpi, the nephrogenic body formation occurred and was differentiated into renal nephrons. The Wt1 gene was upregulated (two-fold) on 5 dpi after kidney damage and then had a down-regulation on 7 dpi when the kidney began to regenerate. The MMP9 gene showed increased expression in comparison with the control sample in the study days, and this expression increased on 7 dpi by 6.6 folds. Conclusions: The results of this study, for the first time, highlighted that nephritic damage appears in the kidney of A. hormuzensis after toxicity induced by gentamicin and that changes in the expression of the examined genes are consistent with their roles in the process of renal regeneration in this species.

Identifying the etiologic role of Parvovirus B19 in non-immune hydrops fetalis by histopathology, immunohistochemistry and nucleic acid testing: a retrospective study

Open Medicine ◽  
2007 ◽  
Vol 2 (3) ◽  
pp. 271-279 ◽  
Author(s):  
Koray Ergunay ◽  
Gulcin Altinok ◽  
Bora Gurel ◽  
Ahmet Pinar ◽  
Arzu Sungur ◽  
...  
Keyword(s):  
Nucleic Acid ◽  
Real Time ◽  
San Francisco ◽  
Real Time Pcr ◽  
Nested Pcr ◽  
Parvovirus B19 ◽  
Etiologic Agent ◽  
Hydrops Fetalis ◽  
Nucleic Acid Detection

AbstractIntrauterine Parvovirus B19 infections may cause fetal anemia, non-immune hydrops fetalis or abortion. This study focuses on the pathogenic role of Parvovirus B19 in non-immune hydrops fetalis at Hacettepe University, a major reference hospital in Turkey. Twenty-two cases of non-immune hydrops fetalis were retrospectively selected out of a total of 431 hydrops fetalis specimens from the Department of Pathology archieves. Paraffine embedded tissue sections from placental and liver tissues from each case were evaluated by histopathology, immunohistochemistry, nested PCR and commercial quantitative Real-time PCR. Viral DNA was detected in placental tissues by Real-time PCR in 2 cases (2/22, 9.1%) where histopathology also revealed changes suggestive of Parvovirus B19 infection. No significant histopathologic changes were observed for the remaining sections. Nested PCR that targets the VP1 region of the viral genome and immunohistochemistry for viral capsid antigens were negative for all cases. As a result, Parvovirus B19 is identified as the etiologic agent for the development of non-immune hydrops fetalis for 9.1% of the cases in Hacettepe University, Turkey. Real-time PCR is observed to be an effective diagnostic tool for nucleic acid detection from paraffine embedded tissues. Part of this study was presented as a poster at XIIIth International Congress of Virology, San Francisco, USA (Abstract V-572).

scholarly journals Molecular Survey of Vector-Borne Pathogens of Dogs and Cats in Two Regions of Saudi Arabia

Pathogens ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 25
Author(s):  
Abdullah D. Alanazi ◽  
Abdulaziz S. Alouffi ◽  
Mohamed S. Alyousif ◽  
Mohammad Y. Alshahrani ◽  
Hend H. A. M. Abdullah ◽  
...  
Keyword(s):  
Saudi Arabia ◽  
Real Time ◽  
Real Time Pcr ◽  
Bartonella Henselae ◽  
Public Awareness ◽  
Effective Control ◽  
Vector Borne Diseases ◽  
Babesia Vogeli ◽  
Vector Borne ◽  
First Time

Dogs and cats play an important role as reservoirs of vector-borne pathogens, yet reports of canine and feline vector-borne diseases in Saudi Arabia are scarce. Blood samples were collected from 188 free-roaming dogs and cats in Asir (70 dogs and 44 cats) and Riyadh (74 dogs), Saudi Arabia. The presence of Anaplasma spp., Bartonella spp., hemotropic Mycoplasma spp., Babesia spp., and Hepatozoon spp. was detected using a multiplex tandem real-time PCR. PCR-positive samples were further examined with specific conventional and real-time PCR followed by sequencing. Dogs from Riyadh tested negative for all pathogens, while 46 out of 70 dogs (65.7%) and 17 out of 44 cats (38.6%) from Asir were positive for at least one pathogen. Positive dogs were infected with Anaplasma platys (57.1%), Babesia vogeli (30%), Mycoplasma haemocanis (15.7%), and Bartonella henselae (1.4%), and cats were infected with Mycoplasma haemofelis (13.6%), Candidatus Mycoplasma haemominutum (13.6%), B. henselae (9.2%), and A. platys (2.27%), all of which are reported for the first time in Saudi Arabia. Co-infection with A. platys and B. vogeli was detected in 17 dogs (24.28%), while coinfections were not detected in cats. These results suggest that effective control and public awareness strategies for minimizing infection in animals are necessary.

scholarly journals Genome-wide identification of the GATA transcription factor family and their expression patterns under temperature and salt stress in Aspergillus oryzae

AMB Express ◽  
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Chunmiao Jiang ◽  
Gongbo Lv ◽  
Jinxin Ge ◽  
Bin He ◽  
Zhe Zhang ◽  
...  
Keyword(s):  
Salt Stress ◽  
Expression Patterns ◽  
Interaction Network ◽  
Protein Protein Interaction ◽  
Genome Wide ◽  
Gata Transcription Factor ◽  
Starting Point ◽  
Evolutionary Features ◽  
First Time

AbstractGATA transcription factors (TFs) are involved in the regulation of growth processes and various environmental stresses. Although GATA TFs involved in abiotic stress in plants and some fungi have been analyzed, information regarding GATA TFs in Aspergillusoryzae is extremely poor. In this study, we identified and functionally characterized seven GATA proteins from A.oryzae 3.042 genome, including a novel AoSnf5 GATA TF with 20-residue between the Cys-X2-Cys motifs which was found in Aspergillus GATA TFs for the first time. Phylogenetic analysis indicated that these seven A. oryzae GATA TFs could be classified into six subgroups. Analysis of conserved motifs demonstrated that Aspergillus GATA TFs with similar motif compositions clustered in one subgroup, suggesting that they might possess similar genetic functions, further confirming the accuracy of the phylogenetic relationship. Furthermore, the expression patterns of seven A.oryzae GATA TFs under temperature and salt stresses indicated that A. oryzae GATA TFs were mainly responsive to high temperature and high salt stress. The protein–protein interaction network of A.oryzae GATA TFs revealed certain potentially interacting proteins. The comprehensive analysis of A. oryzae GATA TFs will be beneficial for understanding their biological function and evolutionary features and provide an important starting point to further understand the role of GATA TFs in the regulation of distinct environmental conditions in A.oryzae.

Genome-wide screening of m6A-modified transcript in the Wilms’ tumor

2021 ◽  
Author(s):  
Zhuo Liu ◽  
Feng He ◽  
Jing Liu ◽  
Shengrong OuYang ◽  
Zexi Li ◽  
...  
Keyword(s):  
Gene Ontology ◽  
Real Time ◽  
Real Time Pcr ◽  
Wilms Tumor ◽  
Expression Patterns ◽  
Mrna Levels ◽  
Gene Ontology Analysis ◽  
Quantitative Real Time Pcr ◽  
Related Factors ◽  
Significant Difference

Abstract Background Wilms’ tumor, also called nephroblastoma, is the most common pediatric renal malignancy. The pathogenesis of Wilms’ tumor has been attributed to several genetic and epigenetic factors. However, the most pervasive internal mRNA modification that affects almost every process of RNA metabolism, RNA N6-Methyladenosine (m6A) methylation, has not been characterized in Wilms’ tumor. Methods Wilms’ tumor (WT) and adjacent non-cancerous (NC) tissue samples were obtained from 23 children with nephroblastoma, and the global m6A levels were measured by mass spectrometry. Analyses by m6A-mRNA epitranscriptomic microarray and mRNA microarray were performed, and m6A-related mRNAs were validated by quantitative real-time PCR for input and m6A-immunoprecipitated RNA samples from WT and NC tissues. Gene ontology analysis and KEGG pathway analysis were performed for differentially expressed genes, and expression of RNA methylation-related factors was measured by quantitative real-time PCR. Results The total m6A methylation levels in total RNA of WT samples and NC samples were (0.21 ± 0.01)% and (0.22 ± 0.01)%, respectively, with no statistically significant difference. Fifty-nine transcripts were differentially m6A-methylated between the WT and NC groups, which showed distinct m6A modification patterns. Gene ontology analysis indicated that m6A-modified genes were enriched in cancer-associated pathways, including the mTOR pathway, and conjoint analysis of the unique methylation and gene expression patterns in WT samples suggested an association with metabolic pathways.The mRNA levels of the m6A-related “reader” genes, YTHDF1, YTHDF2 and IGF2BP3, were statistically higher in WT samples than in NC samples. Conclusion This is the first study to determine the m6A modification profiles in Wilms’ tumor. Our data provide novel information regarding patterns of m6A modification that correlate with carcinogenesis in Wilms’ tumor.

scholarly journals Identification of Type II Interferon Receptors in Geese: Gene Structure, Phylogenetic Analysis, and Expression Patterns

2015 ◽  
Vol 2015 ◽  
pp. 1-14
Author(s):  
Hao Zhou ◽  
Shun Chen ◽  
Yulin Qi ◽  
Qin Zhou ◽  
Mingshu Wang ◽  
...  
Keyword(s):  
Expression Profiles ◽  
Expression Patterns ◽  
Harderian Gland ◽  
Distribution Analysis ◽  
Expression Levels ◽  
Age Related ◽  
Cecal Tonsil ◽  
Immune Tissues ◽  
First Time

Interferonγreceptor 1 (IFNGR1) and IFNGR2 are two cell membrane molecules belonging to class II cytokines, which play important roles in the IFN-mediated antiviral signaling pathway. Here, goose IFNGR1 and IFNGR2 were cloned and identified for the first time. Tissue distribution analysis revealed that relatively high levels of goose IFNγmRNA transcripts were detected in immune tissues, including the harderian gland, cecal tonsil, cecum, and thymus. Relatively high expression levels of both IFNGR1 and IFNGR2 were detected in the cecal tonsil, which implicated an important role of IFNγin the secondary immune system of geese. No specific correlation between IFNγ, IFNGR1, and IFNGR2 expression levels was observed in the same tissues of healthy geese. IFNγand its cognate receptors showed different expression profiles, although they appeared to maintain a relatively balanced state. Furthermore, the agonist R848 led to the upregulation of goose IFNγbut did not affect the expression of goose IFNGR1 or IFNGR2. In summary, trends in expression of goose IFNγand its cognate receptors showed tissue specificity, as well as an age-related dependency. These findings may help us to better understand the age-related susceptibility to pathogens in birds.

scholarly journals Cloning, Characterization, and Expression Features of Chicken CDS2 Splicing Variants

2020 ◽  
Author(s):  
Yuanyuan Xu ◽  
Shuping Zhang ◽  
Yujun Guo ◽  
Wen Chen ◽  
Yanqun Huang
Keyword(s):  
Adipose Tissue ◽  
Real Time ◽  
Real Time Pcr ◽  
Expression Patterns ◽  
Mrna Levels ◽  
Exogenous Insulin ◽  
Quantitative Real Time Pcr ◽  
Temporal Expression ◽  
Spatio Temporal ◽  
The Brain

Abstract Background: The CDS gene encodes the CDP-diacylglycerol synthase enzyme that catalyzes the formation of CDP-diacylglycerol (CDP-DAG) from phosphatidic acid. At present, there are no reports of CDS2 in birds. Here, we identified chicken CDS2 transcripts by combining conventional RT- PCR amplification, 5' RACE (Fig. 1A), and 3' RACE, explored the spatio-temporal expression profiles of total CDS2 and the longest transcript variant CDS2-4, and investigated the effect of exogenous insulin on total the mRNA level of CDS2 by quantitative real-time PCR. Results: Four transcripts of chicken CDS2 (CDS2-1, -2, -3, and -4) were identified, which were alternatively spliced at the 3′-untranslated region (UTR). CDS2 was widely expressed in all tissues examined and the longest variant CDS2-4 was the major transcript. Both total CDS2 and CDS2-4 were prominently expressed in adipose tissue and the heart, and exhibited low expression in the liver and pectoralis of 49 day-old chickens. Quantitative real-time PCR revealed that total CDS2 and CDS2-4 had different spatio-temporal expression patterns in chicken. Total CDS2 exhibited a similar temporal expression tendency with a high level in the later period of incubation (embryonic day 19 [E19] or 1-day-old) in the brain, liver, and pectoralis. While CDS2-4 presented a distinct temporal expression pattern in these tissues, CDS2-4 levels peaked at 21 days in the brain and pectoralis, while liver CDS2-4 mRNA levels were highest at the early stage of hatching (E10). Total CDS2 (P < 0.001) and CDS2-4 (P = 0.0090) mRNA levels in the liver were differentially regulated throughout development of the chicken. Exogenous insulin significantly downregulated the level of total CDS2 at 240 min in the pectoralis of Silky chickens (P < 0.01). Total CDS2 levels in the liver of Silky chickens were higher than that of the broiler in the basal state and after insulin stimulation. Conclusion: Chicken CDS2 has multiple transcripts with variation at the 3′-UTR, which was prominently expressed in adipose tissue. Total CDS2 and CDS2-4 presented distinct spatio-temporal expression patterns, and they were differentially regulated with age in liver. Insulin could regulate chicken CDS2 levels in a breed- and tissue-specific manner.

scholarly journals Polymorphism rs3087243 is associated with the occurrence of ankylosing spondylitis in the West Algerian population

2017 ◽  
Vol 1 (2) ◽  
pp. 29-30
Author(s):  
Chahinez Amira DAHMANI ◽  
Ahmed BENZAOUI ◽  
Fatima Zohra SEDIKI ◽  
Leila ADDA NEGGAZ ◽  
Faouzia ZEMANI FODIL ◽  
...  
Keyword(s):  
Ankylosing Spondylitis ◽  
Real Time ◽  
Real Time Pcr ◽  
Allele Frequencies ◽  
Healthy Individuals ◽  
The West ◽  
Algerian Population ◽  
Ctla4 Gene ◽  
First Time ◽  
Larger Sample

Background: Numerous studies have shown that polymorphism rs231775 of the CTLA4 gene is strongly implicated in the development of ankylosing spondylitis (AS). Other polymorphisms of this gene are candidates that may have an additional effect in susceptibility to AS. For the first time, we searched for the association of rs3087243 polymorphism located in the 3'UTR region of the CTLA4 gene with the development of SA in the Algerian population. Methods: The study involved 200 subjects (80 AS patients recruited at the rheumatology service and 120 healthy individuals unrelated). Genotyping was performed by real-time PCR (Taqman®). Analysis of the results was carried out by IBM.SPSS.Statictis® software. Results: The distribution of allele frequencies showed a significant association between the GG genotype of the polymorphism rs3087243 and AS risk (OR= 1.77 [0.98-3.21], p=0.004). Conclusion: Our data would suggest that the 3'UTR region of the CTLA4 gene could have an impact on the development of SA in the West Algerian population. These results need to be confirmed on a larger sample.

P5374Genetic deletion of IL-22 increased cardiac rupture after myocardial infarction in mice

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
M Yamamoto ◽  
H Yasukawa ◽  
J Takahashi ◽  
S Nohara ◽  
T Sasak ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
Real Time ◽  
Real Time Pcr ◽  
Tissue Repair ◽  
Repair Process ◽  
Cardiac Rupture ◽  
Blue Dye ◽  
Border Area ◽  
Infarct Area

Abstract Background Interleukin-22 (IL-22) is a member of the IL-10 cytokine family, which mainly targets epithelial cells and does not target immune cells. Recently, it has been reported that IL-22 play roles in tissue repair in the skin and the liver; however, role of IL-22 in the process of tissue repair after myocardial infarction (MI) is unknown. Here, we investigated the role of IL-22 in tissue repair process after MI. Methods and results First, we examined the expression of IL-22 and its receptor IL-22RA1 in the wild type (WT) mice by real-time PCR. The expression of IL-22 and IL-22RA1 in the hearts were significantly increased 3 days after MI (p<0.05). To clarify the role of IL-22 in the heart after MI, we produced MI model in the WT mice and IL-22 knockout (KO) mice. We found that the IL-22 KO mice had significantly higher mortality than the WT mice after MI (p<0.05). Approximately 80% of the IL-22 KO mice died with cardiac rupture after MI. The infarct size which was estimated by evans blue dye and triphenyltetrazolium chloride staining at 3 days after MI was comparable between the IL-22 KO mice and the WT mice. Next, we performed real time PCR and PCR array analysis for tissue fibrosis and repair genes. We found that alpha-smooth muscle actin (aSMA), NF-kB, TNF-a and MMP13 (also known as collagenase-3) were significantly increased in the infarct area of IL-22 KO mice compared to WT mice. Immunostaining showed that the myofibroblast marker aSMA positive cells in the border area after MI were markedly higher in the IL-22 KO mice compared with the WT mice (p<0.05). Approximately 70% of cardiac rupture after MI in the IL-22 KO mice were occurred in the infarct area adjacent to the border area. Furthermore, we found aSMA positive cells and MMP13 positive cells around the ruptured site of the heart. Conclusion Thus, IL-22 KO mice exhibit high mortality and increased cardiac rupture after MI. And expression of aSMA and MMP13 were highly expressed in the ruptured site after MI in the IL-22 KO mice. These results suggest that IL-22 may play an important role in the tissue repair process after MI.

128 THE ROLE OF ENDOTHELINS IN REGULATING BOVINE GRANULOSA CELLS STEROIDOGENESIS

2016 ◽  
Vol 28 (2) ◽  
pp. 194 ◽  
Author(s):  
L. F. Schütz ◽  
J. E. Ervin ◽  
L. Zhang ◽  
C. Robinson ◽  
M. Totty ◽  
...  
Keyword(s):  
Growth Factor ◽  
Real Time ◽  
Granulosa Cells ◽  
Real Time Pcr ◽  
Linear Models ◽  
Rna Extraction ◽  
Insulin Like Growth Factor ◽  
Steroid Production ◽  
Oestradiol Production

Endothelins are a group of vasoactive 21 amino acid peptides reported to play roles in steroidogenesis, folliculogenesis, and ovulation (Bridges et al. 2012 Life Sci. 91, 501–506). Nevertheless, the role of endothelins in regulating steroidogenesis in the bovine species requires further investigation. Thus, the objective of this study was to investigate the effects of endothelin 1 (ET-1) and endothelin 2 (ET-2) on bovine granulosa cell (GC) steroidogenesis. Bovine ovaries were obtained from a local abattoir. Follicular fluid was aspirated from small (1–5 mm) follicles and GC were isolated and exposed to various treatments (ET-1, ET-2, or ET-1 plus ET-2 with FSH and with or without insulin-like growth factor-1). In replicated experiments, culture medium was removed and analysed for steroid production via radioimmunoassay. Granulosa cells were either harvested with trypsin and counted using a Coulter Counter or collected with Trizol for RNA extraction and quantification via real-time PCR (18S rRNA was used as a housekeeping gene). Steroid production was expressed as nanograms (in the case of progesterone) and picograms (in the case of oestradiol) per 105 cells per 24 h. Relative quantity of target gene mRNA was expressed as 2–ΔΔCt using the relative comparative threshold cycle (Ct) method. Data were analysed via ANOVA and the general linear models (GLM) procedure of SAS for Windows (SAS Institute Inc., Cary, NC). If a significant main effect was identified, differences among means were determined by Fisher’s protected least significant differences test. The values were reported as least squares means ± standard error of the mean. In the presence of insulin-like growth factor-1, ET-1 significantly inhibited oestradiol production at 300 ng mL–1 (100.30 ± 11.05; P < 0.05), but not at 30 ng mL–1 (114.47 ± 11.05; P > 0.05) in comparison to the control (141.21 ± 11.05), whereas no differences were observed for progesterone production at 300 ng mL–1 (60.11 ± 7.11; P > 0.05) or at 30 ng mL–1 (64.02 ± 7.11; P > 0.05) in comparison to control (76.75 ± 7.11). ET-2 also significantly inhibited oestradiol production at 300 ng mL–1 (91.08 ± 11.87; P < 0.01), but not at 30 ng mL–1 (112.77 ± 11.87; P > 0.05) in comparison to the control in the presence of insulin-like growth factor-1. No significant effect of ET-1 and ET-2 was observed on steroidogenesis of granulosa cells cultured without insulin-like growth factor-1. Consistent with steroids production data, real-time PCR results indicated that, in the presence of IGF-1, ET-1 (5.66 ± 1.05) and ET-2 (5.65 ± 1.05) inhibited (P < 0.05) aromatase gene expression compared to controls (11.33 + 1.05), and ET-1 plus ET-2 (2.42 ± 1.05) reduced (P < 0.05) expression below that observed with either alone. No effect of ET-1 (4.38 ± 0.95; P > 0.05), ET-2 (5.94 ± 0.95; P > 0.05), or ET-1 plus ET-2 (4.57 ± 0.95; P > 0.05) was observed for side-chain cleavage enzyme (CYP11A1) in comparison to controls (4.4 ± 1.07). Altogether, these results indicate that endothelins are involved in the regulation of steroidogenesis of bovine GC.

scholarly journals Ras associated with diabetes may play a role in fracture nonunion development in rats

2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Takahiro Oda ◽  
Takahiro Niikura ◽  
Tomoaki Fukui ◽  
Michio Arakura ◽  
Keisuke Oe ◽  
...  
Keyword(s):  
Real Time ◽  
Real Time Pcr ◽  
Expression Patterns ◽  
Fibrous Tissue ◽  
Experimental Models ◽  
Pcr Analysis ◽  
Sprague Dawley ◽  
Fracture Callus ◽  
Gene And Protein Expression ◽  
Fracture Nonunion

Abstract Background Rad is the prototypic member of a subfamily of Ras-related small G-proteins and is highly expressed in the skeletal muscle of patients with type II diabetes. Our previous microarray analysis suggested that Rad may mediate fracture nonunion development. Thus, the present study used rat experimental models to investigate and compare the gene and protein expression patterns of both Rad and Rem1, another RGK subfamily member, in nonunions and standard healing fractures. Methods Standard healing fractures and nonunions (produced via periosteal cauterization at the fracture site) were created in the femurs of 3-month-old male Sprague-Dawley rats. At post-fracture days 7, 14, 21, and 28, the fracture callus and fibrous tissue from the standard healing fractures and nonunions, respectively, were harvested and screened (via real-time PCR) for Rad and Rem1 expression. The immunolocalization of both encoded proteins was analyzed at post-fracture days 14 and 21. At the same time points, hematoxylin and eosin staining was performed to identify the detailed tissue structures. Results Results of real-time PCR analysis showed that Rad expression increased significantly in the nonunions, compared to that in the standard healing fractures, at post-fracture days 14, 21, and 28. Conversely, immunohistochemical analysis revealed the immunolocalization of Rad to be similar to that of Rem1 in both fracture types at post-fracture days 14 and 21. Conclusions Rad may mediate nonunion development, and thus, may be a promising therapeutic target to treat these injuries.

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