All news from Nuclear Medicine

Brain Region Can Generate Pessimistic Mood

Many patients with neuropsychiatric disorders such as anxiety or depression experience negative moods that lead them to focus on the possible downside of a given situation more than the potential benefit.

They feel we were seeing a proxy for anxiety, or depression, or some mix of the two. The study was published in the Neuron. These psychiatric problems are still so very difficult to treat for many individuals suffering from them.

Cryo-electron Microscopy Determines Sugar Chains Attached To Proteins

Researchers have succeeded in determining the 3D structure of the enzyme that attaches sugar chains to proteins. Whenever cells receive signals, interact with other cells or identify viruses and bacteria, the process involves not only proteins but also sugar chains attached to their surface.

The subject of relatively little attention until now, these structures differ widely in composition and branching and seem to help ensure that proteins fold correctly and are able to perform their specific tasks.

Suicide and Association with Palliative Care Among Patients With Advanced Lung Cancer

A study found palliative care is associated with a reduced risk of suicide in veterans diagnosed with advanced stage lung cancer. The findings were based on a study of more than 20,000 lung cancer patients enrolled in a cancer patient registry from the VA Central Cancer Registry. Results from a large-scale patient population study. The study was published in the Annals of the American Thoracic Society,

Peri-arterial Autonomic Innervation of the Human Ear

The study aimed at investigating perivascular co-transmitters of vasomotor control in the auricle. Another aim was to provide three-dimensional arterial maps of the auricle, as a proxy of periarterial autonomic innervation. Twelve paired human auricles were used to visualize the arteries following Spalteholz clearing and μ-CT-based reconstruction.

Perivascular innervation staining was conducted using anti-tyrosine hydroxylase (TH), anti-neuropeptide Y (NPY), anti-vasoactive intestinal peptide (VIP) and anti-choline acetyltransferase (ChAT). Auricular vasomotor responses are considered to be signs of clinical conditions including a migraine. The mechanisms of auricular vasomotor control are still debatable. 

In Cardiac Surgery, Regional Anesthesia Is Been used

Regional anesthesia in cardiac surgery implied the use of thoracic epidural anesthesia. Despite proven and potential benefits, fear of permanent neurologic deficits prevented anesthesiologists from using epidural blocks routinely. 

Local Anesthesia

Shorter-acting antiplatelet medications are neither recommended nor are there any on the horizon of manufacture. In addition, use of local anesthetic agents to provide postoperative analgesia instead of opioids in tandem provides a vista of opportunity to reduce or avoid the opioid use and move toward opioid-free anesthesia

Prostate Cancer Targets Blocked by Nuclear Gatekeeper

Certain molecular drivers of cancer growth are "undruggable—it's been nearly impossible to develop chemicals that would block their action and prevent cancer growth. Many of these molecules function by passing cancer-promoting information through a gate in the nucleus, where the instructions are carried out.

Researchers at the Sidney Kimmel Cancer Center—Jefferson Health have found a way to block the nuclear gates used by these molecules, and show that this inhibition can halt aggressive prostate cancer in mice bearing human tumors.

Volatile Substance Abuse – Rise in the Deaths

Drug related deaths are now at their highest levels since records began in England and Wales. In 2017, there were 56 ecstasy deaths, each new tragedy generating headlines and leading to calls for action, such as the introduction of drug checking in nightclubs and festivals. But others are abusing a different range of substances, a problem that many people think largely disappeared in the 1980s and has been ignored in all the headlines.