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Biochemistry and Biophysics Reports

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https://read.qxmd.com/read/30766925/pmab-219-a-monoclonal-antibody-for-the-immunohistochemical-analysis-of-horse-podoplanin
#1
Yoshikazu Furusawa, Shinji Yamada, Shunsuke Itai, Takuro Nakamura, Miyuki Yanaka, Masato Sano, Hiroyuki Harada, Masato Fukui, Mika K Kaneko, Yukinari Kato
Monoclonal antibodies (mAbs) against human, mouse, rat, rabbit, dog, cat, and bovine podoplanin (PDPN), a lymphatic endothelial cell marker, have been established in our previous studies. However, mAbs against horse PDPN (horPDPN), which are useful for immunohistochemical analysis, remain to be developed. In the present study, mice were immunized with horPDPN-overexpressing Chinese hamster ovary (CHO)-K1 cells (CHO/horPDPN), and hybridomas producing mAbs against horPDPN were screened using flow cytometry. One of the mAbs, PMab-219 (IgG2a , kappa), specifically detected CHO/horPDPN cells via flow cytometry and recognized horPDPN protein using Western blotting...
July 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30723810/phyto-assisted-synthesis-of-zinc-oxide-nanoparticles-using-cassia-alata-and-its-antibacterial-activity-against-escherichia-coli
#2
Agarwal Happy, Menon Soumya, S Venkat Kumar, S Rajeshkumar, R David Sheba, T Lakshmi, V Deepak Nallaswamy
Zinc oxide, an established inorganic metal oxide in nanoparticles form exhibits tremendous anti-bacterial activity. The present study focuses on determining the anti-bacterial activity of green synthesized zinc oxide nanoparticles (ZnO NPs). Results clearly validate the effective synthesis of spherical shaped nanoparticles with average size range of 60-80 nm. SEM and EDAX data buttresses the results obtained by XRD pattern in terms of size and purity. ZnO NPs exhibited dose-dependent anti-bacterial activity against Escherichia coli ( E...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30723809/mannose-decorated-hybrid-nanoparticles-for-enhanced-macrophage-targeting
#3
Elham Hatami, Ying Mu, Deanna N Shields, Subhash C Chauhan, Santosh Kumar, Theodore J Cory, Murali M Yallapu
Our goal was to design nanocarriers that specifically target and deliver therapeutics to polarized macrophages. Mannose receptors are highly overexpressed on polarized macrophages. In this study, we constructed Pluronic® -F127 polymer and tannic acid (TA) based nanoparticles (F127-TA core nanoparticles) with varying mannose densities. The particle size of the optimized mannose-decorated F127-TA hybrid nanoparticles (MDNPs) was found to be ~ 265 nm with a negative zeta potential of ~ - 4.5 mV. No significant changes in the size and zeta potentials of nanoparticles were observed, which demonstrated structural integrity and stability of the nanoformulation...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30723808/use-of-body-composition-measurements-to-guide-the-assessment-of-dry-weight-in-anuric-dialysis-patients-improvements-in-blood-pressure-control
#4
GuoCun Hou, Hua Gan, XiuLi Sun, Jing Li
Purpose: Fluid management using a body composition monitor (BCM) based on bioimpedance spectroscopy has been found to be beneficial for maintenance hemodialysis (MHD) patients. Our purpose was to provide a management procedure for the adjustment of post-dialysis overhydration (OHpost ) and to evaluate whether this approach could improve blood pressure. Methods: Post-dialysis fluid status was assessed weekly using the BCM. The reference value of OHpost and the flow procedure for post-dialysis target weight (PDTW) adjustment were established via measurements of OHpost in 60 normotensive MHD patients...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30705972/selective-androgen-receptor-modulator-s42-has-anabolic-and-anti-catabolic-effects-on-cultured-myotubes
#5
REVIEW
Yoshimi Muta, Tomoko Tanaka, Yuriko Hamaguchi, Nobuya Hamanoue, Ryoko Motonaga, Makito Tanabe, Takashi Nomiyama, Hajime Nawata, Toshihiko Yanase
We previously identified a novel selective androgen receptor modulator, S42, that does not stimulate prostate growth but has a beneficial effect on lipid metabolism. S42 also increased muscle weight of the levator ani in orchiectomized Sprague-Dawley rats. These findings prompted us to investigate whether S42 has a direct effect on cultured C2C12 myotubes. S42 significantly lowered expression levels of the skeletal muscle ubiquitin ligase (muscle atrophy-related gene), atrogin1 and Muscle RING-Finger Protein 1(MuRF1) in C2C12 myotubes, as determined by real time PCR...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30671548/recombinant-asialoerythropoetin-protects-hl-1-cardiomyocytes-from-injury-via-suppression-of-mst1-activation
#6
Farooqahmed S Kittur, Yuan Lin, Elena Arthur, Chiu-Yueh Hung, P Andy Li, David C Sane, Jiahua Xie
Background: Recombinant human erythropoietin (rhuEPO) and asialoerythropoietin (asialo-rhuEPO) are cardioprotective. However, the protective effects of rhuEPO could not be translated into clinical practice because of its hematopoiesis-associated side effects while non-erythropoietic asialo-rhuEPO is unavailable in large quantities for clinical studies. This study was designed to investigate the cardiomyocyte protective potential of plant-produced asialo-rhuEPO (asialo-rhuEPOP ) against staurosporine (STS)-induced injury in HL-1 murine cardiomyocytes and identify cellular pathway(s) responsible for its cardioprotection...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30671547/the-regulatory-effect-of-tau-protein-on-polymerization-of-mcf7-microtubules-in-vitro
#7
Mitra Shojania Feizabadi, Marcos A V Hernandez, Jane B Breslin, Ibukunoluwa I Akintola
Growing evidence continues to point toward the critical role of beta tubulin isotypes in regulating some intracellular functions. Changes that were observed in the microtubules' intrinsic dynamics, the way they interact with some chemotherapeutic agents, or differences on translocation specifications of some molecular motors along microtubules, were associated to their structural uniqueness in terms of beta tubulin isotype distributions. These findings suggest that the effects of microtubule associated proteins (MAPs) may also vary on structurally different microtubules...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30662960/trpc6-inactivation-does-not-affect-loss-of-renal-function-in-nephrotoxic-serum-glomerulonephritis-in-rats-but-reduces-severity-of-glomerular-lesions
#8
Eun Young Kim, Parisa Yazdizadeh Shotorbani, Stuart E Dryer
Canonical transient receptor potential-6 (TRPC6) channels have been implicated in a variety of chronic kidney diseases including familial and acquired forms of focal and segmental glomerulosclerosis (FSGS) and renal fibrosis following ureteral obstruction. Here we have examined the role of TRPC6 in progression of inflammation and fibrosis in the nephrotoxic serum (NTS) model of crescentic glomerulonephritis. This was assessed in rats with non-functional TRPC6 channels due to genomic disruption of an essential domain in TRPC6 channels ( Trpc6 del/del rats) and wild-type littermates ( Trpc6 wt/wt rats)...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30656220/involvement-of-the-nadph-oxidase-2-pathway-in-renal-oxidative-stress-in-aqp11-mice
#9
Yuya Hoshino, Hiroko Sonoda, Ryuji Nishimura, Kazuya Mori, Kenichi Ishibashi, Masahiro Ikeda
Aquaporin-11 (AQP11) is an intracellular AQP. Several studies with Aqp11 -/- mice have shown that AQP11 has a role in normal development of the kidney after birth. Our previous studies have suggested that alteration of oxygen homeostasis may be involved in the kidney injury caused by AQP11 deficiency, although the underlying mechanism is largely unknown. To clarify this issue, we examined genes that are related to oxygen homeostasis in Aqp11 -/- mice. Among 62 genes that are involved in oxygen homeostasis, 35 were upregulated by more than 2-fold in Aqp11 -/- mice in comparison with wild-type mice...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30623117/konjac-ceramide-kcer-regulates-keratinocyte-migration-by-sema3a-like-repulsion-mechanism
#10
Seigo Usuki, Noriko Tamura, Tomohiro Tamura, Shigeki Higashiyama, Kunikazu Tanji, Susumu Mitsutake, Asuka Inoue, Junken Aoki, Katsuyuki Mukai, Yasuyuki Igarashi
Previously, we proposed the following mechanism for konjac ceramide (kCer)-mediated neurite outgrowth inhibition: kCer binds to Nrp as a Sema3A agonist, resulting in Nrp1/PlexA complex formation and activation of the Sema3A signaling pathway to induce phosphorylation of CRMP2 and microtubule depolymerization. The Sema3A/Nrp1 signaling pathway is known to be also expressed in normal human keratinocytes. To determine whether kCer can function in human keratinocytes as it does in neurites, that is, if it can bind to Nrp1 in place of Sema3A, we studied the effect of kCer on HaCaT cell migration activity...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30623116/neuroprotective-efficacy-of-thymoquinone-against-amyloid-beta-induced-neurotoxicity-in-human-induced-pluripotent-stem-cell-derived-cholinergic-neurons
#11
A H Alhibshi, A Odawara, I Suzuki
The natural antioxidant Thymoquinone (TQ) is the most abundant ingredient in the curative plant Nigella sativa seed's oil. An extensive number of studies have revealed that TQ is the most active and most responsible component for the plant's pharmacological properties. It has been documented in several studies that TQ has a wide range of protective activities and many neuropharmacological attributes. Amyloid beta (Aβ) is the major role player peptide in the progression of Alzheimer's disease (AD). Our current study has been implemented to explore the protective possibilities of TQ on Aβ1-42 -induced neurotoxicity...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30623115/intravascular-heavy-chain-modification-of-hyaluronan-during-endotoxic-shock
#12
Kevin Ni, Amar Gill, Danting Cao, Kengo Koike, Kelly S Schweitzer, Stavros Garantziotis, Irina Petrache
During inflammation, the covalent linking of the ubiquitous extracellular polysaccharide hyaluronan (HA) with the heavy chains (HC) of the serum protein inter alpha inhibitor (IαI) is exclusively mediated by the enzyme tumor necrosis factor α (TNFα)-stimulated-gene-6 (TSG-6). While significant advances have been made regarding how HC-modified HA (HC-HA) is an important regulator of inflammation, it remains unclear why HC-HA plays a critical role in promoting survival in intraperitoneal lipopolysaccharide (LPS)-induced endotoxemia while exerting only a modest role in the outcomes following intratracheal exposure to LPS...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30623114/hyperinsulinemic-hypoglycemia-subtype-glucokinase-v91l-mutant-induces-necrosis-in-%C3%AE-cells-via-atp-depletion
#13
Brian Lu, Jason M Tonne, Miguel Munoz-Gomez, Yasuhiro Ikeda
Hyperinsulinemic hypoglycemia subtype glucokinase (GCK-HH) is caused by an activating mutation in glucokinase (GCK) and has been shown to increase β-cell death. However, the mechanism of β-cell death in GCK-HH remains poorly understood. Here, we expressed the GCK-HH V91L GCK mutant in INS-1 832/13 cells to determine the effect of the mutation on β-cell viability and the mechanisms of β-cell death. We showed that expression of the V91L GCK mutant in INS-1 832/13 cells resulted in a rapid glucose concentration-dependent loss of cell viability...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582014/metabolic-treatment-of-syndrome-linked-with-parkinson-s-disease-and-hypothalamus-pituitary-gonadal-hormones-by-turmeric-curcumin-in-bisphenol-a-induced-neuro-testicular-dysfunction-of-wistar-rat
#14
J K Akintunde, A A Farouk, O Mogbojuri
The metabolic shift in cholinesterase activity and inhibitor of hypothalamus pituitary gonadal hormones were hypothesized as resultant effect of Parkinson's disease (PD) which is clinically characterized by a movement disorder. This study therefore examined the effect of turmeric curcumin (CUR) on index of PD, acetylcholine esterase activity and disorder of hypothalamus pituitary gonadal hormone (HPGH) in Bisphenol-A induced injury using animal model. Forty adult male albino rats were randomly distributed into five (n = 8) groups...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582013/variants-of-the-industrially-relevant-protease-kp-43-with-suppressed-activity-under-alkaline-conditions-developed-using-expanded-genetic-codes
#15
Tatsuya Osamura, Mitsuyoshi Okuda, Atsushi Yamaguchi, Kazumasa Ohtake, Kensaku Sakamoto, Yasushi Takimura
In the present study, we attempted to control the pH profile of the catalytic activity of the industrially relevant alkaline protease KP-43, by incorporating 3-nitro-l-tyrosine and 3-chloro-l-tyrosine at and near the catalytic site. Thirty KP-43 variants containing these non-natural amino acids at the specific positions were synthesized in Escherichia coli host cells with expanded genetic codes. The variant with 3-nitrotyrosine at position 205, near the substrate binding site, retained its catalytic activity at the neutral pH and showed a 60% activity reduction at pH 10...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582012/hepatocyte-nuclear-factor-4%C3%AE-regulates-megalin-expression-in-proximal-tubular-cells
#16
Shota Sasaki, Ayami Hara, Masakiyo Sakaguchi, Masaomi Nangaku, Yusuke Inoue
Hepatocyte nuclear factor 4α (HNF4α) is a member of the nuclear receptor superfamily and upregulates expression of many genes in the liver, pancreas, small intestine, and colon. HNF4α is also highly expressed in proximal tubular epithelial cells (PTECs) in kidney. PTECs reabsorb various substances through transporters, ion channels, and receptors, but the target genes for HNF4α in PTECs have not been investigated in detail. In the present study, we aimed to identify novel HNF4α target genes that are highly expressed in PTECs...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582011/establishment-of-x-linked-alport-syndrome-model-mice-with-a-col4a5-r471x-mutation
#17
Kentarou Hashikami, Makoto Asahina, Kandai Nozu, Kazumoto Iijima, Michio Nagata, Michiyasu Takeyama
Alport syndrome (AS) is an inherited disorder characterized by glomerular basement membrane (GBM) abnormality and development of chronic kidney disease at an early age. The cause of AS is a genetic mutation in type IV collagen, and more than 80% of patients have X-linked AS (XLAS) with mutation in COL4A5 . Although the causal gene has been identified, mechanisms of progression have not been elucidated, and no effective treatment has been developed. In this study, we generated a Col4a5 mutant mouse harboring a nonsense mutation (R471X) obtained from a patient with XLAS using clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated system...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582010/synthesis-and-characterization-of-zinc-oxide-nanoparticles-by-using-polyol-chemistry-for-their-antimicrobial-and-antibiofilm-activity
#18
Pranjali P Mahamuni, Pooja M Patil, Maruti J Dhanavade, Manohar V Badiger, Prem G Shadija, Abhishek C Lokhande, Raghvendra A Bohara
The present investigation deals with facile polyol mediated synthesis and characterization of ZnO nanoparticles and their antimicrobial activities against pathogenic microorganisms. The synthesis process was carried out by refluxing zinc acetate precursor in diethylene glycol(DEG) and triethylene glycol(TEG) in the presence and in the absence of sodium acetate for 2 h and 3 h. All synthesized ZnO nanoparticles were characterized by X-ray diffraction (XRD), UV visible spectroscopy (UV), thermogravimetric analysis (TGA), fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy(FESEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) technique...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582009/the-role-of-cytochrome-p450-2e1-on-ethanol-mediated-oxidative-stress-and-hiv-replication-in-human-monocyte-derived-macrophages
#19
Yuqing Gong, P S S Rao, Namita Sinha, Sabina Ranjit, Theodore J Cory, Santosh Kumar
Background: Alcohol consumption is considered to be a major health problem among people living with HIV/AIDS. Our previous reports have shown that ethanol reduced intracellular concentrations of antiretroviral drugs elvitegravir and darunavir in the HIV-1-infected U1 cell line. Ethanol also increased HIV-1 replication despite the presence of elvitegravir. Our previous finding has also shown that the levels of cytochrome P450 enzyme 2E1 (CYP2E1) and oxidative stress in blood monocytes were induced, while the concentration of alcohol in the plasma was reduced in HIV-1-infected alcohol users compared to uninfected alcohol users...
March 2019: Biochemistry and Biophysics Reports
https://read.qxmd.com/read/30582008/rasgrf1-mediates-brain-derived-neurotrophic-factor-induced-axonal-growth-in-primary-cultured-cortical-neurons
#20
Kentaro Umeda, Manabu Negishi, Hironori Katoh
The appropriate development and regulation of neuronal morphology are important to establish functional neuronal circuits and enable higher brain function of the central nervous system. R-Ras, a member of the Ras family of small GTPases, plays crucial roles in the regulation of axonal morphology, including outgrowth, branching, and guidance. GTP-bound activated R-Ras reorganizes actin filaments and microtubules through interactions with its downstream effectors, leading to the precise control of axonal morphology...
March 2019: Biochemistry and Biophysics Reports
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