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HIV Virus Life Cycle and Drug Reaction
HIV Virus Life Cycle and Drug Reaction Magdy 11,421 Views • 2 years ago

Binding and Fusion: HIV begins its life cycle
when it binds to a CD4 receptor and one of two
co-receptors on the surface of a CD4+
Tlymphocyte. The virus then fuses with the host
cell. After fusion, the virus releases RNA, its
genetic material, into the host cell.

Reverse Transcription: An HIV enzyme
called reverse transcriptase converts the singlestranded HIV RNA to double-stranded HIV DNA.

Integration: The newly formed HIV DNA
enters the host cell's nucleus, where an HIV
enzyme called integrase "hides" the HIV DNA
within the host cell's own DNA. The integrated
HIV DNA is called provirus. The provirus may
remain inactive for several years, producing few or
no new copies of HIV

Transcription: When the host cell receives a
signal to become active, the provirus uses a host
enzyme called RNA polymerase to create copies of
the HIV genomic material, as well as shorter
strands of RNA called messenger RNA (mRNA).
The mRNA is used as a blueprint to make long
chains of HIV proteins.

Assembly: An HIV enzyme called protease cuts
the long chains of HIV proteins into smaller
individual proteins. As the smaller HIV proteins
come together with copies of HIV's RNA genetic
material, a new virus particle is assembled.

Budding: The newly assembled virus pushes out
("buds") from the host cell. During budding, the new
virus steals part of the cell's outer envelope. This
envelope, which acts as a covering, is studded with
protein/sugar combinations called HIV
glycoproteins. These HIV glycoproteins are
necessary for the virus to bind CD4 and coreceptors. The new copies of HIV can now move
on to infect other cells.

Dermal Fillers
Dermal Fillers drmarylupo 1,066 Views • 2 years ago

Dr. Lupo speaks on dermal fillers and which filler to use in which situation. Start by calling Dr. Mary Lupo at (504) 288-2381, or visit her website www.drmarylupo.com for more info!

What It's Really Like Being A Doctor
What It's Really Like Being A Doctor samer kareem 4,683 Views • 2 years ago

For that matter, every healthcare professional undergoes this emotional hardship..

Dermatology Belotero NYC
Dermatology Belotero NYC thenyac 6,483 Views • 2 years ago

http://www.thenyac.com/ Like Restylane and Juvederm, Belotero Balance is an FDA approved component for the correction of moderate-to-severe facial wrinkles, superficial lines, folds and upper lip. A doctor can use both Juvederm and Restylane on deeper areas and Belotero on top to correct wrinkles, lines and folds. In addition acne scars can benefit from fillers like Belotero

Best
Best "Stop Smoking" advertisement Magdy 6,600 Views • 2 years ago

Please watch and share with your firends and family who smoke

What is the Difference Between Schizoaffective Disorder and Schizophrenia?
What is the Difference Between Schizoaffective Disorder and Schizophrenia? samer kareem 3,231 Views • 2 years ago

Schizophreniform disorder is a mental disorder diagnosed when symptoms of schizophrenia are present for a significant portion of the time within a one-month period, but signs of disruption are not present for the full six months required for the diagnosis of schizophrenia.

ELISA
ELISA Magdy 5,777 Views • 2 years ago

The purpose of an ELISA is to determine if a particular protein is present in a sample and if so, how much. There are two main variations on this method: you can determine how much antibody is in a sample, or you can determine how much protein is bound by an antibody. The distinction is whether you are trying to quantify an antibody or some other protein. In this example, we will use an ELISA to determine how much of a particular antibody is present in an individuals blood.

ELISAs are performed in 96-well plates which permits high throughput results. The bottom of each well is coated with a protein to which will bind the antibody you want to measure. Whole blood is allowed to clot and the cells are centrifuged out to obtain the clear serum with antibodies (called primary antibodies). The serum is incubated in a well, and each well contains a different serum (see figure below). A positive control serum and a negative control serum would be included among the 96 samples being tested.

Hemostasis and cauterization during laparoscopy
Hemostasis and cauterization during laparoscopy Magdy 6,289 Views • 2 years ago

A laparoscopic video showing Hemostasis and cauterization during laparoscopy

Tubal Ligation Procedure surgery
Tubal Ligation Procedure surgery maronesc 11,885 Views • 2 years ago

bilateral tubal ligation as modified Pomeroy technique during a C-Section

What Is Alzheimers
What Is Alzheimers ZekelHealthcare 8,949 Views • 2 years ago

Alzheimers disease is an irreversible, progressive brain disease that slowly destroys memory and thinking skills

Treating Uterine Fibroids
Treating Uterine Fibroids Info4YourLife 4,942 Views • 2 years ago

Uterine fibroids are the most common benign tumors and can affect one in three in Canada. While most fibroids are asymptomatic, they can cause heavy and painful periods, urinary frequency and urgency and pelvic discomfort and pain. A new treatment is available that doesn’t involve invasive surgery. With Fibristal, you can treat fibroids, relieve symptoms and finally live your life the way you want to!

Health Care, Your Way
Health Care, Your Way Info4YourLife 3,356 Views • 2 years ago

A new approach to health care working with patients and doctors to streamline the process and makes it easier and more efficient to get health care they need.

What is Nightmare Disorder?
What is Nightmare Disorder? samer kareem 1,641 Views • 2 years ago

There can be a number of psychological triggers that cause nightmares in adults. For example, anxiety and depression can cause adult nightmares. Post-traumatic stress disorder (PTSD) also commonly causes people to experience chronic, recurrent nightmares. Nightmares in adults can be caused by certain sleep disorders

Holoprosencephally
Holoprosencephally Magdy 854 Views • 2 years ago

Holoprosencephally

Understanding the Brain
Understanding the Brain samer kareem 3,997 Views • 2 years ago

t’s the brain, after all, that devises experiments and interprets their results. How the brain perceives, how it makes decisions and judgments, and how those judgments can go awry are at least as important to science as knowing the intricacies of nonbiotic experimental machinery. And as any brain scientist will tell you, there’s still a long way to go before understanding the brain will get crossed off science’s to-do list. But there has been progress. A recent special issue of the journal Neuron offers a convenient set of “perspective” papers exploring the current state of understanding of the brain’s inner workings. Those papers show that a lot is known. But at the same time they emphasize that there’s a lot we don’t know.

Podcast #2 with One of the Top Plastic Surgeons in NYC
Podcast #2 with One of the Top Plastic Surgeons in NYC DrVickery 1,239 Views • 2 years ago

http://www.5thavesurgery.com
Leading NYC plastic surgeon, Dr. Carlin Vickery of 5th Avenue Millennium Aesthetic Surgery explains all of the steps that should go into choosing the right plastic surgeon. For more information, here are some more videos from Dr. Vickery.

How To Make Bigger Breast
How To Make Bigger Breast lorenzo 9,010 Views • 2 years ago

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Toilet Phobia Cure Bathroom Anxiety - Phobia Of Public Toilets, How To Overcome Shy Bladde
Toilet Phobia Cure Bathroom Anxiety - Phobia Of Public Toilets, How To Overcome Shy Bladde lorenzo 6,044 Views • 2 years ago

Toilet Phobia Cure Bathroom Anxiety Phobia Of Public Toilets, Paruresis Shy Bladder.
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Shy bladder syndrome is a type of phobia in which the sufferers are unable to urinate in the presence of other people such as in a public restroom.

In other words, shy bladder is the fear of not being able to urinate without complete privacy.

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While there is no way for certain to know how many people suffer from paruresis, surveys done over the last several decades indicate that the numbers could range from less than one percent to more than 25 percent of Americans.

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Penile Implants: How do they work?
Penile Implants: How do they work? Scott 3,204 Views • 2 years ago

enile implants are devices placed inside the penis to allow men with erectile dysfunction (ED) to get an erection. Penile implants are typically recommended after other treatments for ED fail. There are two main types of penile implants, semirigid and inflatable.

Hashtag Ugly
Hashtag Ugly NewsCanada 2,739 Views • 2 years ago

How smoking is causing a hazy filter over your life. Kick cigarettes to the curb for good.

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