H-Phe(2,5-DiCl)-OH (BAT-004836)
* For research use only

L-Amino Acids
Catalog number
CAS number
Molecular Formula
Molecular Weight
(S)-2-Amino-3-(2,5-Dichlorophenyl)Propanoic Acid; L-2,5-Dichlorophenylalanine; 2,5-Dichloro-L-Phenylalanine
1.450±0.06 g/cm3(Predicted)
Boiling Point
365.7±42.0 °C(Predicted)
Store at 2-8°C
1.Hashimoto's Thyroiditis and Graves' Disease in One Patient: The Extremes of Thyroid Dysfunction Associated with Interferon Treatment.
Bishay RH1, Chen RC1. Case Rep Endocrinol. 2016;2016:6029415. doi: 10.1155/2016/6029415. Epub 2016 Mar 2.
Autoimmune thyroid disease associated with interferon therapy can manifest as destructive thyroiditis, Graves' Hyperthyroidism, and autoimmune (often subclinical) hypothyroidism, the latter persisting in many patients. There are scare reports of a single patient developing extremes of autoimmune thyroid disease activated by the immunomodulatory effects of interferon. A 60-year-old man received 48 weeks of pegylated interferon and ribavirin therapy for chronic HCV. Six months into treatment, he reported fatigue, weight gain, and slowed cognition. Serum thyroid stimulating hormone (TSH) was 58.8 mIU/L [0.27-4.2], fT4 11.1 pmol/L [12-25], and fT3 4.2 pmol/L [2.5-6.0] with elevated anti-TPO (983 IU/mL [<35]) and anti-TG (733 U/mL [<80]) antibodies. He commenced thyroxine with initial clinical and biochemical resolution but developed symptoms of hyperthyroidism with weight loss and tremor 14 months later. Serum TSH was <0.02 mIU/L, fT4 54.
2.The Cu/ligand stoichiometry effect on the coordination behavior of aroyl hydrazone with copper(II): Structure, anticancer activity and anticancer mechanism.
Deng J1, Gou Y2, Chen W2, Fu X2, Deng H2. Bioorg Med Chem. 2016 Mar 19. pii: S0968-0896(16)30190-0. doi: 10.1016/j.bmc.2016.03.033. [Epub ahead of print]
In an effort to better understand the biological efficacy of the tridentate aroyl hydrazone Cu(II) complexes, three Cu(II) complexes of acetylpyridine benzoyl hydrazone (HL), [Cu(L)(NO3) (H2O)]·H2O (C1), [Cu(L)2] (C2) and [Cu(L)(HL)]·(NO3)(Sas) (C3) (Sas=salicylic acid) were synthesized and characterized. X-ray crystal structures and infrared (IR) spectra of the complexes reveal that the L- ligand of C1 and C2 are predominantly in the enolate resonance form, while one L- ligand in C3 is represented enolate resonance form and the other HL ligand exhibits keto resonance form. All Cu(II) complexes showed significantly more anticancer activity than the ligand alone. Interestingly, the Cu complexes where the ligand/metal ratio was 1:1 (C1) rather than 2:1 (C2 and C3) had higher antitumor efficacy. Moreover, the 1:1 Cu/ligand complex, C1, promotes A549 cell apoptosis possibly through the intrinsic reactive oxygen species (ROS) mediated mitochondrial pathway, accompanied by the regulation of Bcl-2 family proteins.
3.Treadmill exercise facilitates synaptic plasticity on dopaminergic neurons and fibers in the mouse model with Parkinson's disease.
Shin MS1, Jeong HY2, An DI2, Lee HY2, Sung YH3. Neurosci Lett. 2016 Apr 11;621:28-33. doi: 10.1016/j.neulet.2016.04.015. [Epub ahead of print]
Exercise for patients with Parkinson's disease (PD) helps to alleviate clinical symptoms such as tremor, balance instability, gait dysfunction, and rigidity. However, molecular mechanism about effect of exercise is poorly unknown. In this study, we investigated effect of exercise in synapse and dendritic spine of nigrostriatal dopaminergic neurons on mice with PD. The C57BL/6J male mice (n=40) were divided by sham group, sham-exercise treated group, 1-Methyl-4-phenyl-l,2,3,6-tetrahydropyridine (MPTP) treated group, and MPTP-exercise treated group. For exercise treatment, the mice were put on the treadmill to run for 8m/min, 30min/day, and 5 times/week for 2 weeks. Coordination ability was checked by rota rod test. Expression of tyrosine hydroxylase (TH), synaptophysin, and post-synaptic density protein 95 (PSD-95) was confirmed at substantia nigra pars compacta (SNpc) or striatum using western blotting, or immunohistochemistry. To check dendritic spine in striatum, we used Golgi staining.
4.Arsenic levels in the groundwater of Korea and the urinary excretion among contaminated area.
Park JD1, Choi SJ1,2, Choi BS1, Lee CR3, Kim H4, Kim YD4, Park KS5, Lee YJ6, Kang S7, Lim KM8, Chung JH7. J Expo Sci Environ Epidemiol. 2016 Apr 6. doi: 10.1038/jes.2016.16. [Epub ahead of print]
Drinking water is a main source of human exposure to arsenic. Hence, the determination of arsenic in groundwater is essential to assess its impact on public health. Here, we report arsenic levels in the groundwater of 722 sites covering all six major provinces of Korea. Water was sampled in two occasions (summer, 722 sites and winter, 636 sites) and the arsenic levels were measured with highly sensitive inductively coupled plasma-mass spectrometry method (limit of detection, 0.1 μg/l) to encompass the current drinking water standard (<10 μg/l). Seasonal variation was negligible, but the geographical difference was prominent. Total arsenic in groundwater ranged from 0.1 to 48.4 μg/l. A 88.0-89.0% of sites were <2.0 μg/l and the remaining ones generally did not exceed 10 μg/l (6.4-7.0%, 2.0-4.9 μg/l; 2.4-3.0%, 5.0-9.9 μg/l). However, some areas (1.0-9.2%) exhibited >10 μg/l. Notably, urinary arsenic excretion of people around these regions was markedly higher compared with non-contaminated areas (<5 μg/l) (79.
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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
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