User profiles for Matthew Helm

Matthew Helm

USDA-ARS, Purdue University
Verified email at purdue.edu
Cited by 354

Mechanistic studies into amine-mediated electrophilic arene borylation and its application in MIDA boronate synthesis

…, JA Carrillo, IA Cade, MD Helm… - Journal of the …, 2013 - ACS Publications
Direct electrophilic borylation using Y 2 BCl (Y 2 = Cl 2 or o-catecholato) with equimolar AlCl
3 and a tertiary amine has been applied to a wide range of arenes and heteroarenes. In situ …

Discovery and characterization of highly potent and selective allosteric USP7 inhibitors

G Gavory, CR O'Dowd, MD Helm, J Flasz… - Nature chemical …, 2018 - nature.com
Given the importance of ubiquitin-specific protease 7 (USP7) in oncogenic pathways,
identification of USP7 inhibitors has attracted considerable interest. Despite substantial efforts, …

Using decoys to expand the recognition specificity of a plant disease resistance protein

SH Kim, D Qi, T Ashfield, M Helm, RW Innes - Science, 2016 - science.org
Maintaining high crop yields in an environmentally sustainable manner requires the
development of disease-resistant crop varieties. We describe a method to engineer disease …

Simple inexpensive boron electrophiles for direct arene borylation

A Del Grosso, MD Helm, SA Solomon… - Chemical …, 2011 - pubs.rsc.org
Simple inexpensive boron electrophiles for direct arene borylation - Chemical Communications
(RSC Publishing) DOI:10.1039/C1CC14226G Royal Society of Chemistry View PDF …

Total Synthesis of (+)‐Pleuromutilin

NJ Fazakerley, MD Helm… - Chemistry–A European …, 2013 - Wiley Online Library
The first enantiospecific total synthesis of the antibacterial natural product (+)‐pleuromutilin
has been achieved. The approach includes the synthesis of a non‐racemic cyclisation …

A sydnone cycloaddition route to pyrazole boronic esters.

DL Browne, MD Helm, A Plant… - Asian Journal of …, 2013 - search.ebscohost.com
The article presents a research that examines a direct route approach for conducting the
synthesis of pyrazole boronic esters which would enable a broad range of analogues to be …

Keratinocytes and immune cells in the epidermis are key drivers of inflammation in hidradenitis suppurativa providing a rationale for novel topical therapies

…, SR Goldberg, JS Kirby, MF Helm… - British Journal of …, 2023 - academic.oup.com
Background Hidradenitis suppurativa (HS) is a debilitating inflammatory skin disease
characterized by painful nodules, drainage and scarring in skin folds. Injectable adalimumab is the …

[HTML][HTML] RNA-Seq analysis implicates dysregulation of the immune system in schizophrenia

J Xu, J Sun, J Chen, L Wang, A Li, M Helm… - BMC genomics, 2012 - Springer
Background While genome-wide association studies identified some promising candidates
for schizophrenia, the majority of risk genes remained unknown. We were interested in …

Identification and structure-guided development of pyrimidinone based USP7 inhibitors

CR O'Dowd, MD Helm, JSS Rountree… - ACS medicinal …, 2018 - ACS Publications
Ubiquitin specific protease 7 (USP7, HAUSP) has become an attractive target in drug
discovery due to the role it plays in modulating Mdm2 levels and consequently p53. Increasing …

Engineering a decoy substrate in soybean to enable recognition of the soybean mosaic virus NIa protease

M Helm, M Qi, S Sarkar, H Yu… - Molecular Plant …, 2019 - Am Phytopath Society
In Arabidopsis, recognition of the AvrPphB effector protease from Pseudomonas syringae is
mediated by the disease resistance (R) protein RPS5, which is activated by AvrPphB-…